/* ============================================================
   Aurora · 暗色玻璃拟态 Bento 主题
   ============================================================ */
:root{
  --au-bg:#0a0e16;
  --au-bg-2:#0f1521;
  --au-surface:rgba(255,255,255,.05);
  --au-surface-2:rgba(255,255,255,.09);
  --au-line:rgba(255,255,255,.12);
  --au-line-soft:rgba(255,255,255,.07);
  --au-ink:#e9eef5;
  --au-ink-2:#97a3b4;
  --au-grad-1:#2ee6a6;
  --au-grad-2:#22d3ee;
  --au-accent:#34e3a4;
  --au-accent-d:#1fc78c;
  --au-radius:20px;
  --au-radius-sm:14px;
  --au-shadow:0 14px 44px -14px rgba(0,0,0,.65);
  --au-glow:0 0 38px -8px rgba(46,230,166,.35);
  --au-maxw:1180px;
  --au-font:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--au-font);background:var(--au-bg);color:var(--au-ink);line-height:1.6;font-size:16px;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.au-container{width:100%;max-width:var(--au-maxw);margin:0 auto;padding:0 24px}
.mt-40{margin-top:40px}
.au-center{text-align:center}
.bi-sub{display:block;font-size:12px;font-weight:400;color:var(--au-ink-2)}

/* 背景光晕 */
.au-aurora-bg{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(60% 50% at 12% 8%, rgba(46,230,166,.18), transparent 60%),
    radial-gradient(55% 45% at 88% 18%, rgba(34,211,238,.16), transparent 60%),
    radial-gradient(70% 60% at 50% 100%, rgba(124,92,255,.12), transparent 60%),
    var(--au-bg);
}

/* ---------- 顶部条 ---------- */
.topbar{background:rgba(10,14,22,.7);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--au-line-soft);font-size:13px;color:var(--au-ink-2);position:relative;z-index:60}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar-left span{display:flex;align-items:center;gap:6px}
.topbar-icon-img{height:15px;width:auto}
.topbar-right{display:flex;align-items:center;gap:12px}
.lang-switch{display:flex;gap:8px;align-items:center}
.lang-switch a,.lang-switch .lang-current{color:var(--au-ink-2);font-size:13px;padding:2px 4px}
.lang-switch .lang-current{color:var(--au-accent);font-weight:600}
.lang-switch a:hover{color:var(--au-accent)}
.sep{color:var(--au-line)}
.fav-link{color:var(--au-ink-2)}
.fav-link:hover{color:var(--au-accent)}
.admin-dot{width:7px;height:7px;border-radius:50%;background:var(--au-accent);display:inline-block;opacity:.5}

/* ---------- 头部 / 导航 ---------- */
.site-header{position:sticky;top:0;z-index:55;background:rgba(10,14,22,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--au-line-soft)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:62px;gap:18px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{font-size:22px}
.logo-icon-img{height:30px;width:auto;object-fit:contain}
.logo-text strong{display:block;font-size:16px;font-weight:700;color:var(--au-ink);letter-spacing:.3px}
.logo-text em{display:block;font-size:9px;letter-spacing:.22em;color:var(--au-ink-2);font-style:normal}
.nav-toggle{display:none;background:none;border:0;color:var(--au-ink);font-size:24px;cursor:pointer}
.main-nav ul{display:flex;gap:6px;list-style:none;align-items:center}
.main-nav>ul>li{position:relative}
.main-nav>ul>li>a{display:flex;flex-direction:column;align-items:center;padding:10px 16px;border-radius:10px;color:var(--au-ink);font-weight:500;font-size:15px;transition:.2s}
.main-nav>ul>li>a .nav-sub{display:none}
.main-nav>ul>li:hover>a,.main-nav>ul>li.active>a{color:var(--au-accent)}
.main-nav>ul>li.active>a{background:var(--au-surface)}
.submenu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);min-width:180px;background:rgba(17,23,34,.96);backdrop-filter:blur(20px);border:1px solid var(--au-line);border-radius:14px;padding:8px;opacity:0;visibility:hidden;transition:.2s;box-shadow:var(--au-shadow)}
.main-nav>ul>li:hover .submenu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(6px)}
.submenu a{display:flex;flex-direction:column;padding:10px 14px;border-radius:10px;color:var(--au-ink-2);font-size:14px}
.submenu a:hover{background:var(--au-surface-2);color:var(--au-accent)}

/* ---------- 悬浮语言 ---------- */
.lang-float{position:fixed;right:18px;bottom:120px;z-index:80}
.lang-float-btn{background:linear-gradient(135deg,var(--au-grad-1),var(--au-grad-2));color:#04130d;border:0;border-radius:24px;padding:9px 15px;font-size:13px;font-weight:700;cursor:pointer;box-shadow:var(--au-glow)}
.lang-float-menu{position:absolute;right:0;bottom:46px;background:rgba(17,23,34,.96);backdrop-filter:blur(20px);border:1px solid var(--au-line);border-radius:12px;padding:6px;display:none;min-width:120px;box-shadow:var(--au-shadow)}
.lang-float.open .lang-float-menu{display:block}
.lang-float-item{display:block;padding:8px 14px;border-radius:8px;color:var(--au-ink-2);font-size:14px}
.lang-float-item:hover,.lang-float-item.active{background:var(--au-surface-2);color:var(--au-accent)}

/* ---------- 通用文字/按钮 ---------- */
.au-eyebrow{display:inline-block;font-size:13px;letter-spacing:.18em;color:var(--au-accent);margin-bottom:10px;font-weight:700;text-transform:uppercase}
.au-link-grad{color:var(--au-accent);font-weight:600;font-size:16px;transition:.2s}
.au-link-grad:hover{color:var(--au-grad-2)}
.au-sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:40px}
.au-sec-head.au-center{flex-direction:column;align-items:center;text-align:center;margin-bottom:44px}
.au-sec-title{font-size:clamp(26px,3.4vw,42px);font-weight:700;letter-spacing:-.02em;color:var(--au-ink)}
.au-sec-sub{font-size:16px;color:var(--au-ink-2);margin-top:12px;max-width:640px}
.au-btn-grad{display:inline-block;background:linear-gradient(135deg,var(--au-grad-1),var(--au-grad-2));color:#04130d;font-weight:700;border-radius:30px;padding:12px 26px;font-size:15px;transition:.25s;box-shadow:var(--au-glow)}
.au-btn-grad:hover{transform:translateY(-2px);box-shadow:0 0 50px -6px rgba(46,230,166,.55)}
.au-btn-lg{padding:15px 36px;font-size:17px}
.au-btn-ghost{display:inline-block;border:1px solid var(--au-line);color:var(--au-ink);border-radius:30px;padding:12px 26px;font-size:15px;font-weight:600;transition:.25s}
.au-btn-ghost:hover{border-color:var(--au-accent);color:var(--au-accent);background:var(--au-surface)}

/* ============================================================
   ① Bento Hero
   ============================================================ */
.au-hero{position:relative;padding:70px 0 36px}
.au-bento{display:grid;grid-template-columns:1.7fr 1fr;grid-template-rows:auto auto;gap:18px}
.au-bento-card{background:var(--au-surface);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--au-line);border-radius:var(--au-radius);padding:34px;box-shadow:var(--au-shadow);position:relative;overflow:hidden}
.au-bento-card::after{content:"";position:absolute;inset:0;border-radius:var(--au-radius);background:linear-gradient(160deg,rgba(255,255,255,.06),transparent 45%);pointer-events:none}
.au-hero-main{grid-row:span 2;display:flex;flex-direction:column;justify-content:center}
.au-hero-title{font-size:clamp(38px,5.4vw,66px);font-weight:800;letter-spacing:-.03em;line-height:1.05;background:linear-gradient(120deg,#fff 20%,var(--au-grad-1) 70%,var(--au-grad-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.au-hero-sub{font-size:clamp(16px,1.9vw,20px);color:var(--au-ink-2);margin:18px 0 28px;max-width:560px}
.au-hero-links{display:flex;gap:16px;flex-wrap:wrap}
.au-card-tag{display:inline-block;font-size:11px;letter-spacing:.18em;font-weight:700;color:var(--au-accent);margin-bottom:14px}
.au-hero-feat-thumb{aspect-ratio:1/1;background:var(--au-surface-2);border-radius:var(--au-radius-sm);display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:14px}
.au-hero-feat-thumb img{width:100%;height:100%;object-fit:contain;padding:18px;transition:.4s}
.au-hero-feat:hover .au-hero-feat-thumb img{transform:scale(1.05)}
.au-hero-feat h3{font-size:17px;font-weight:700;color:var(--au-ink);margin-bottom:6px}
.au-hero-feat p{font-size:13px;color:var(--au-ink-2)}
.au-hero-points ul{list-style:none;display:flex;flex-direction:column;gap:14px}
.au-hero-points li{display:flex;align-items:center;gap:12px;font-size:15px;font-weight:600;color:var(--au-ink)}
.au-hero-points li span{font-size:22px;width:42px;height:42px;display:flex;align-items:center;justify-content:center;background:var(--au-surface-2);border-radius:12px}

/* ============================================================
   ② 轮播（JS 钩子 .banner-slide）
   ============================================================ */
.au-showcase{padding:24px 0 64px}
.au-showcase-banner{position:relative;border-radius:26px;overflow:hidden;background:var(--au-bg-2);box-shadow:var(--au-shadow);border:1px solid var(--au-line)}
.au-showcase-slides{position:relative;aspect-ratio:16/9;overflow:hidden}
.banner-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;visibility:hidden;transition:opacity .8s ease;z-index:1}
.banner-slide.active{opacity:1;visibility:visible;position:relative;z-index:2}
.au-show-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,22,0) 35%,rgba(10,14,22,.7))}
.au-show-caption{position:absolute;left:0;right:0;bottom:34px;text-align:center;color:#fff;z-index:2;padding:0 24px}
.au-show-caption h2{font-size:clamp(22px,3vw,38px);font-weight:700;margin-bottom:14px;text-shadow:0 4px 22px rgba(0,0,0,.6)}
.banner-dots.au-show-dots{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);display:flex;gap:9px;z-index:3}
.banner-dots.au-show-dots span{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;transition:.2s}
.banner-dots.au-show-dots span.active{background:#fff;width:24px;border-radius:5px}

/* ============================================================
   ③ 分类胶囊
   ============================================================ */
.au-catbar{border-top:1px solid var(--au-line-soft);border-bottom:1px solid var(--au-line-soft);background:rgba(15,21,33,.6);backdrop-filter:blur(12px)}
.au-catbar-inner{display:flex;gap:12px;overflow-x:auto;padding:14px 24px;align-items:center;max-width:var(--au-maxw);margin:0 auto;scrollbar-width:none}
.au-catbar-inner::-webkit-scrollbar{display:none}
.au-pill{white-space:nowrap;padding:9px 20px;border:1px solid var(--au-line);border-radius:30px;background:var(--au-surface);color:var(--au-ink);font-size:14px;font-weight:600;transition:.2s}
.au-pill:hover{border-color:var(--au-accent);color:var(--au-accent)}
.au-pill-grad{background:linear-gradient(135deg,var(--au-grad-1),var(--au-grad-2));color:#04130d;border-color:transparent}

/* ============================================================
   ④ 产品墙
   ============================================================ */
.au-section{padding:84px 0}
.au-section-glass{background:var(--au-surface)}
.au-product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.au-pcard{background:var(--au-surface);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--au-line);border-radius:var(--au-radius);overflow:hidden;transition:.28s;display:flex;flex-direction:column}
.au-pcard:hover{transform:translateY(-6px);border-color:rgba(46,230,166,.4);box-shadow:var(--au-shadow)}
.au-pcard-thumb{aspect-ratio:1/1;background:var(--au-surface-2);display:flex;align-items:center;justify-content:center;overflow:hidden}
.au-pcard-thumb img{width:100%;height:100%;object-fit:contain;padding:22px;transition:.4s}
.au-pcard:hover .au-pcard-thumb img{transform:scale(1.06)}
.au-ph{font-size:46px;opacity:.35}
.au-pcard-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:7px;flex:1}
.au-cat-tag{font-size:12px;color:var(--au-accent);font-weight:600}
.au-pcard-title{font-size:16px;font-weight:700;color:var(--au-ink)}
.au-pcard-sum{font-size:13px;color:var(--au-ink-2);flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.au-pcard-more{margin-top:auto;font-size:14px}

/* ============================================================
   ⑤ 核心优势（玻璃卡行）
   ============================================================ */
.au-adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.au-adv-card{background:var(--au-surface);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--au-line);border-radius:var(--au-radius);padding:34px 30px;transition:.28s}
.au-adv-card:hover{transform:translateY(-6px);border-color:rgba(46,230,166,.4);box-shadow:var(--au-shadow)}
.au-adv-icon{font-size:42px;width:74px;height:74px;display:flex;align-items:center;justify-content:center;background:var(--au-surface-2);border-radius:18px;margin-bottom:18px}
.au-adv-card h3{font-size:20px;font-weight:700;color:var(--au-ink);margin-bottom:10px}
.au-adv-card p{font-size:14px;color:var(--au-ink-2);line-height:1.7}

/* ============================================================
   ⑥ 统计
   ============================================================ */
.au-stats{padding:64px 0}
.au-stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.au-stat-num{font-size:clamp(36px,5vw,60px);font-weight:800;letter-spacing:-.02em;background:linear-gradient(120deg,var(--au-grad-1),var(--au-grad-2));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.au-stat-label{font-size:15px;color:var(--au-ink-2);margin-top:10px}

/* ============================================================
   ⑦ 公司简介
   ============================================================ */
.au-about{display:flex;justify-content:center}
.au-about-glass{background:var(--au-surface);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--au-line);border-radius:var(--au-radius);padding:48px;text-align:center;max-width:760px;box-shadow:var(--au-shadow)}
.au-about-title{font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-.02em;margin:4px 0 18px}
.au-about-desc{font-size:16px;color:var(--au-ink-2);line-height:1.8}
.au-about-list{list-style:none;display:flex;flex-wrap:wrap;gap:12px 26px;justify-content:center;margin:26px 0}
.au-about-list li{position:relative;padding-left:22px;color:var(--au-ink);font-size:15px}
.au-about-list li::before{content:"✓";position:absolute;left:0;color:var(--au-accent);font-weight:800}

/* ============================================================
   ⑧ 案例 / ⑨ 伙伴 / ⑩ 新闻
   ============================================================ */
.au-cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.au-case-card{background:var(--au-surface);border:1px solid var(--au-line);border-radius:var(--au-radius);overflow:hidden;transition:.28s}
.au-case-card:hover{transform:translateY(-6px);border-color:rgba(46,230,166,.4);box-shadow:var(--au-shadow)}
.au-case-thumb{aspect-ratio:16/10;background:var(--au-surface-2);display:flex;align-items:center;justify-content:center;overflow:hidden}
.au-case-thumb img{width:100%;height:100%;object-fit:cover}
.au-case-body{padding:18px 20px 22px}
.au-case-body h3{font-size:17px;font-weight:700;color:var(--au-ink);margin-bottom:7px}
.au-case-body p{font-size:13px;color:var(--au-ink-2)}
.au-partners-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.au-partner-card{background:var(--au-surface);border:1px solid var(--au-line);border-radius:var(--au-radius-sm);aspect-ratio:3/2;display:flex;align-items:center;justify-content:center;padding:18px;transition:.28s}
.au-partner-card:hover{border-color:rgba(46,230,166,.4);box-shadow:var(--au-shadow)}
.au-partner-card img{max-height:52px;object-fit:contain;filter:grayscale(1) brightness(1.6);opacity:.7;transition:.28s}
.au-partner-card:hover img{filter:none;opacity:1}
.au-partner-name{color:var(--au-ink);font-weight:600;text-align:center}
.au-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.au-news-card{background:var(--au-surface);border:1px solid var(--au-line);border-radius:var(--au-radius);overflow:hidden;transition:.28s;display:flex;flex-direction:column;padding:26px 24px}
.au-news-card:hover{transform:translateY(-6px);border-color:rgba(46,230,166,.4);box-shadow:var(--au-shadow)}
.au-news-date{font-size:13px;color:var(--au-accent);margin-bottom:10px;font-weight:600}
.au-news-title{font-size:18px;font-weight:700;color:var(--au-ink);line-height:1.35;margin-bottom:9px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.au-news-sum{font-size:14px;color:var(--au-ink-2);flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
.au-center.mt-40{text-align:center;margin-top:40px}

/* ============================================================
   ⑪ 深色 CTA
   ============================================================ */
.au-cta{position:relative;padding:96px 0;margin-top:0;overflow:hidden}
.au-cta-bg{position:absolute;inset:0;z-index:0}
.au-cta-inner{position:relative;z-index:1;text-align:center;max-width:720px}
.au-cta-title{font-size:clamp(28px,4vw,48px);font-weight:800;letter-spacing:-.02em;color:#fff;margin-bottom:16px}
.au-cta-sub{font-size:18px;color:#aeb9c9;margin-bottom:32px}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{background:var(--au-bg-2);color:var(--au-ink-2);padding:54px 0 0;border-top:1px solid var(--au-line-soft)}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px;max-width:var(--au-maxw);margin:0 auto;padding:0 24px}
.footer-col h3{color:var(--au-ink);font-size:17px;margin-bottom:12px}
.footer-col h4{color:var(--au-ink);font-size:14px;margin-bottom:12px}
.footer-about p{font-size:13px;line-height:1.8}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:var(--au-ink-2);font-size:14px}
.footer-col ul li a:hover{color:var(--au-accent);text-decoration:underline}
.footer-contact p{font-size:14px;margin-bottom:6px}
.footer-qr{margin-top:8px;display:flex;align-items:center;gap:10px}
.footer-qr img{width:76px;height:76px;border-radius:8px;background:#fff;padding:4px}
.footer-qr span{font-size:12px}
.footer-bottom{border-top:1px solid var(--au-line);margin-top:36px;padding:16px 0;text-align:center;font-size:12px;color:var(--au-ink-2)}
.footer-bottom .icp a{color:var(--au-ink-2);margin-left:10px}

/* ---------- 悬浮功能条 ---------- */
.float-bar{position:fixed;right:18px;bottom:120px;z-index:70;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.float-bar.float-bar-open .float-collapsed{display:none}
.float-bar:not(.float-bar-open) .float-expanded-btn{display:none}
.float-item{width:46px;height:46px;border-radius:50%;background:var(--au-surface-2);border:1px solid var(--au-line);display:flex;align-items:center;justify-content:center;font-size:19px;color:var(--au-ink);cursor:pointer;position:relative;box-shadow:var(--au-shadow);transition:.2s;backdrop-filter:blur(10px)}
.float-item:hover{background:linear-gradient(135deg,var(--au-grad-1),var(--au-grad-2));color:#04130d;border-color:transparent}
.float-label{display:none}
.float-pop-active .float-btn-pop,.float-item[aria-haspopup="true"]:hover .float-btn-pop{display:block}
.float-btn-pop{display:none;position:absolute;right:56px;bottom:0;background:rgba(17,23,34,.96);border:1px solid var(--au-line);border-radius:10px;padding:8px;box-shadow:var(--au-shadow)}
.float-btn-pop img{width:120px;height:120px}

/* ---------- 弹窗 ---------- */
.video-modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center}
.video-modal.open{display:flex}
.video-modal-overlay{position:absolute;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px)}
.video-modal-box{position:relative;z-index:2;background:var(--au-bg-2);border:1px solid var(--au-line);border-radius:18px;padding:30px;max-width:520px;width:90%;text-align:center}
.video-modal-box h3{color:var(--au-ink);margin-bottom:16px}
.video-modal-close{position:absolute;right:14px;top:10px;background:none;border:0;color:var(--au-ink-2);font-size:26px;cursor:pointer}
.video-placeholder{color:var(--au-ink-2);font-size:42px;padding:30px 0}
.video-placeholder p{font-size:14px;margin-top:10px}
.consult-form{text-align:left;margin-top:14px}
.consult-form .form-row{display:flex;gap:12px;margin-bottom:12px}
.consult-form .grid-2{flex:1}
.consult-form .field{flex:1}
.consult-form label{display:block;font-size:13px;color:var(--au-ink-2);margin-bottom:6px}
.consult-form input,.consult-form select,.consult-form textarea{width:100%;padding:11px 14px;border-radius:10px;background:var(--au-surface);border:1px solid var(--au-line);color:var(--au-ink);font-size:14px;font-family:inherit}
.consult-form input:focus,.consult-form select:focus,.consult-form textarea:focus{outline:none;border-color:var(--au-accent)}
.consult-form .full{margin-bottom:14px}
.btn-consult{background:linear-gradient(135deg,var(--au-grad-1),var(--au-grad-2));color:#04130d;border:0;border-radius:30px;padding:13px 30px;font-weight:700;font-size:15px;cursor:pointer;width:100%}
.consult-flash{margin-top:12px;padding:10px 14px;border-radius:10px;font-size:14px}
.consult-flash.success{background:rgba(46,230,166,.16);color:var(--au-accent)}
.consult-flash.error{background:rgba(255,90,90,.16);color:#ff8a8a}

/* ============================================================
   内部页面通用
   ============================================================ */
.section{padding:84px 0}
.section-alt{background:var(--au-surface);border-top:1px solid var(--au-line-soft);border-bottom:1px solid var(--au-line-soft)}
.section-title{margin-bottom:40px}
.section-title .en{display:block;font-size:12px;letter-spacing:.18em;color:var(--au-accent);margin-bottom:8px;font-weight:700}
.section-title h2{font-size:clamp(24px,3vw,38px);font-weight:700;letter-spacing:-.02em;color:var(--au-ink)}
.section-title p{color:var(--au-ink-2);margin-top:10px;max-width:640px}
.about-home{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:center}
.about-home-img{background:var(--au-surface);border:1px solid var(--au-line);border-radius:var(--au-radius);padding:30px;display:flex;align-items:center;justify-content:center;aspect-ratio:4/3}
.about-home-img img{max-width:80%;object-fit:contain}
.about-home-text .section-title{margin-bottom:14px}
.about-home-text h3{font-size:24px;font-weight:700;color:var(--au-ink)}
.about-home-text .desc{color:var(--au-ink-2);margin:14px 0}
.feature-list.about{list-style:none;display:flex;flex-wrap:wrap;gap:10px 24px;margin:18px 0 24px}
.feature-list.about li{position:relative;padding-left:22px;color:var(--au-ink);font-size:14px}
.feature-list.about li::before{content:"✓";position:absolute;left:0;color:var(--au-accent);font-weight:800}
.btn-primary{background:linear-gradient(135deg,var(--au-grad-1),var(--au-grad-2));color:#04130d;border:0;border-radius:30px;padding:12px 26px;font-weight:700;cursor:pointer;display:inline-block}
.btn-primary:hover{transform:translateY(-2px)}
.btn-outline{border:1px solid var(--au-line);color:var(--au-ink);border-radius:30px;padding:12px 26px;display:inline-block}
.btn-outline:hover{border-color:var(--au-accent);color:var(--au-accent)}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.product-card{background:var(--au-surface);border:1px solid var(--au-line);border-radius:var(--au-radius);overflow:hidden;transition:.28s}
.product-card:hover{transform:translateY(-6px);border-color:rgba(46,230,166,.4);box-shadow:var(--au-shadow)}
.product-card .thumb{display:block;aspect-ratio:1/1;background:var(--au-surface-2);display:flex;align-items:center;justify-content:center;overflow:hidden}
.product-card .thumb img{width:100%;height:100%;object-fit:contain;padding:20px}
.product-card .placeholder{font-size:46px;opacity:.35}
.product-card .info{padding:18px 20px 22px}
.product-card .cat-tag{display:inline-block;font-size:12px;color:var(--au-accent);font-weight:600;margin-bottom:8px}
.product-card h3{font-size:16px;font-weight:700;color:var(--au-ink);margin-bottom:8px}
.product-card .summary{font-size:13px;color:var(--au-ink-2);margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.product-card .more{color:var(--au-accent);font-weight:600;font-size:14px}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{background:var(--au-surface);border:1px solid var(--au-line);border-radius:var(--au-radius);overflow:hidden;transition:.28s}
.case-card:hover{transform:translateY(-6px);border-color:rgba(46,230,166,.4);box-shadow:var(--au-shadow)}
.case-card .thumb{aspect-ratio:16/10;background:var(--au-surface-2);display:flex;align-items:center;justify-content:center;overflow:hidden}
.case-card .thumb img{width:100%;height:100%;object-fit:cover}
.case-card .placeholder{font-size:46px;opacity:.35}
.case-card .info{padding:18px 20px 22px}
.case-card h3{color:var(--au-ink);font-size:17px;font-weight:700;margin-bottom:8px}
.case-card .summary{color:var(--au-ink-2);font-size:13px}
.partners-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.partner-card{background:var(--au-surface);border:1px solid var(--au-line);border-radius:var(--au-radius-sm);aspect-ratio:3/2;display:flex;align-items:center;justify-content:center;padding:18px;transition:.28s}
.partner-card:hover{border-color:rgba(46,230,166,.4);box-shadow:var(--au-shadow)}
.partner-card img{max-height:52px;object-fit:contain;filter:grayscale(1) brightness(1.6);opacity:.7}
.partner-card:hover img{filter:none;opacity:1}
.partner-name{color:var(--au-ink);font-weight:600;text-align:center}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:var(--au-surface);border:1px solid var(--au-line);border-radius:var(--au-radius);overflow:hidden;transition:.28s}
.news-card:hover{transform:translateY(-6px);border-color:rgba(46,230,166,.4);box-shadow:var(--au-shadow)}
.news-card-head{display:flex;align-items:baseline;gap:8px;padding:18px 20px 0;color:var(--au-accent)}
.news-card-day{font-size:28px;font-weight:700}
.news-card-ym{font-size:13px}
.news-card-title{font-size:17px;font-weight:700;color:var(--au-ink);padding:10px 20px 0;line-height:1.4}
.news-card-summary{font-size:13px;color:var(--au-ink-2);padding:8px 20px 18px}
.news-card-link{display:block;padding:0 20px 20px;color:var(--au-accent);font-weight:600;font-size:14px}
.text-center.mt-40{text-align:center;margin-top:40px}

/* 产品详情 */
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.gallery-main{border:1px solid var(--au-line);border-radius:var(--au-radius);background:var(--au-surface-2);padding:30px;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}
.gallery-main img{max-width:90%;object-fit:contain}
.gallery-thumbs{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.gallery-thumbs .thumb{width:72px;height:72px;border:1px solid var(--au-line);border-radius:10px;overflow:hidden;background:var(--au-surface);cursor:pointer;display:flex;align-items:center;justify-content:center}
.gallery-thumbs .thumb.active{border-color:var(--au-accent)}
.gallery-thumbs .thumb img{width:100%;height:100%;object-fit:contain;padding:6px}
.product-info h1{font-size:28px;font-weight:700;color:var(--au-ink);margin-bottom:10px}
.product-info .cat-tag{display:inline-block;font-size:12px;color:var(--au-accent);font-weight:600;margin-bottom:14px}
.product-info .summary{color:var(--au-ink-2);margin-bottom:20px}
.product-info .spec{list-style:none;margin-bottom:22px}
.product-info .spec li{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--au-line-soft);font-size:14px}
.product-info .spec li span:first-child{color:var(--au-ink-2)}
.tab-box{margin-top:20px;border:1px solid var(--au-line);border-radius:var(--au-radius);overflow:hidden;background:var(--au-surface)}
.tab-bar{display:flex;border-bottom:1px solid var(--au-line)}
.tab-item{padding:14px 22px;cursor:pointer;color:var(--au-ink-2);font-weight:600;background:none;border:0}
.tab-item.active{color:var(--au-accent);box-shadow:inset 0 -2px 0 var(--au-accent)}
.tab-content{padding:22px}
.tab-pane{display:none;color:var(--au-ink-2);font-size:14px}
.tab-pane.active{display:block}

/* 联系表单 */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.contact-info p{margin-bottom:12px;font-size:15px}
.contact-form .form-row{display:flex;gap:14px;margin-bottom:14px}
.contact-form .field{flex:1}
.contact-form label{display:block;font-size:13px;color:var(--au-ink-2);margin-bottom:6px}
.contact-form input,.contact-form textarea{width:100%;padding:12px 14px;border-radius:10px;background:var(--au-surface);border:1px solid var(--au-line);color:var(--au-ink);font-size:14px;font-family:inherit}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--au-accent)}
.btn-orange{background:linear-gradient(135deg,var(--au-grad-1),var(--au-grad-2));color:#04130d;border:0;border-radius:30px;padding:13px 30px;font-weight:700;cursor:pointer}
.ci-btn{cursor:pointer}
.page-hero{padding:64px 0 30px;text-align:center}
.page-hero h1{font-size:clamp(26px,4vw,42px);font-weight:700;color:var(--au-ink)}
.page-hero p{color:var(--au-ink-2);margin-top:10px}
.breadcrumb{font-size:13px;color:var(--au-ink-2);margin-bottom:10px}
.breadcrumb a:hover{color:var(--au-accent)}

/* ============================================================
   响应式
   ============================================================ */
@media(max-width:1024px){
  .au-product-grid{grid-template-columns:repeat(2,1fr)}
  .au-cases-grid,.news-grid,.product-grid{grid-template-columns:repeat(2,1fr)}
  .au-partners-grid,.partners-grid{grid-template-columns:repeat(3,1fr)}
  .au-adv-grid{grid-template-columns:repeat(3,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
  .product-detail,.about-home,.contact-wrap{grid-template-columns:1fr;gap:30px}
}
@media(max-width:768px){
  .nav-toggle{display:block}
  .main-nav{position:fixed;top:100px;right:0;width:74%;max-width:300px;height:calc(100vh - 100px);background:rgba(17,23,34,.98);backdrop-filter:blur(20px);border-left:1px solid var(--au-line);transform:translateX(100%);transition:.3s;padding:20px;overflow-y:auto}
  .main-nav.open{transform:translateX(0)}
  .main-nav>ul{flex-direction:column;gap:4px}
  .main-nav>ul>li>a{flex-direction:row;justify-content:flex-start;gap:8px}
  .submenu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;background:var(--au-surface);margin-top:6px}
  .au-hero{padding:48px 0 20px}
  .au-hero-title{font-size:40px}
  .au-bento{grid-template-columns:1fr}
  .au-hero-main{grid-row:auto}
  .au-section{padding:56px 0}
  .au-product-grid,.au-cases-grid,.news-grid,.product-grid{grid-template-columns:1fr}
  .au-adv-grid{grid-template-columns:1fr}
  .au-stats-inner{grid-template-columns:repeat(2,1fr);gap:26px}
  .au-partners-grid,.partners-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr}
  .consult-form .form-row,.contact-form .form-row{flex-direction:column}
  .au-catbar-inner{padding:12px 24px}
}