@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --blue:#1a56db;--blue-dark:#0f172a;--orange:#f97316;
  --gray-50:#f8fafc;--gray-100:#f1f5f9;--gray-200:#e2e8f0;
  --gray-400:#94a3b8;--gray-600:#475569;--gray-800:#1e293b;--gray-900:#0f172a;
  --font:'Inter','PingFang SC','Microsoft YaHei',-apple-system,sans-serif;
  --max-w:1200px;
}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--font);color:#1d1d1f;line-height:1.6;background:#fff;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:color .3s}ul{list-style:none}img{max-width:100%}
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}

/* ========== NAV ========== */
.site-nav{position:fixed;top:0;left:0;right:0;z-index:9999;
  background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(0,0,0,.08);transition:all .4s}
.site-nav.scrolled{background:rgba(255,255,255,.92);box-shadow:0 1px 20px rgba(0,0,0,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:48px}
.logo{font-size:20px;font-weight:700;color:var(--gray-900);letter-spacing:-.5px;display:flex;align-items:center;gap:8px}
.logo-dot{width:8px;height:8px;border-radius:50%;background:var(--blue);display:inline-block}
.nav-links{display:flex;gap:32px}
.nav-links a{font-size:13px;color:var(--gray-600);font-weight:400;letter-spacing:.2px;position:relative;padding:2px 0}
.nav-links a:hover{color:var(--blue)}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:1px;background:var(--blue);transition:width .3s}
.nav-links a:hover::after{width:100%}
.lang-switch{display:flex;gap:4px}
.lang-switch a{padding:3px 10px;border-radius:4px;font-size:12px;font-weight:500;border:1px solid var(--gray-200);color:var(--gray-600);transition:all .3s}
.lang-switch a:hover,.lang-switch a.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.mobile-toggle{display:none;background:none;border:none;font-size:18px;cursor:pointer;color:var(--gray-800);padding:8px}

/* ========== HERO ========== */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;position:relative;
  background:var(--gray-900);}
.hero-bg{position:absolute;inset:0;
  background:url('https://images.unsplash.com/photo-1505118380757-91f5f5632de0?w=1920&q=80') center/cover no-repeat;
  opacity:0.6}
.hero-overlay{position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,23,42,0.7) 0%,rgba(15,23,42,0.4) 50%,rgba(15,23,42,0.7) 100%)};
.hero-grid{position:absolute;inset:0;opacity:.04;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:80px 80px}
.hero-content{position:relative;z-index:2;max-width:900px;padding:0 24px}
.hero-eyebrow{font-size:16px;color:var(--orange);font-weight:600;letter-spacing:3px;text-transform:uppercase;margin-bottom:24px;opacity:0;animation:fadeUp .8s .2s forwards}
.hero-title{font-size:clamp(40px,8vw,80px);font-weight:800;color:#fff;line-height:1.05;letter-spacing:-2px;margin-bottom:24px;opacity:0;animation:fadeUp .8s .4s forwards}
.hero-title .accent{background:linear-gradient(135deg,var(--blue),#60a5fa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:clamp(16px,2.5vw,21px);color:rgba(255,255,255,.6);font-weight:300;max-width:640px;margin:0 auto 48px;line-height:1.6;opacity:0;animation:fadeUp .8s .6s forwards}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;opacity:0;animation:fadeUp .8s .8s forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}

/* ========== BUTTONS ========== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:980px;font-size:15px;font-weight:500;
  transition:all .3s;cursor:pointer;border:none;font-family:var(--font)}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:#1e40af;transform:scale(1.02);box-shadow:0 8px 30px rgba(26,86,219,.4)}
.btn-secondary{background:transparent;color:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.2)}.btn-secondary:hover{background:rgba(255,255,255,.1);color:#fff}
.btn-dark{background:var(--blue);color:#fff;border-radius:980px}.btn-dark:hover{background:#1e40af}
.btn-outline-dark{background:transparent;color:var(--blue);border:1.5px solid var(--blue);border-radius:980px}.btn-outline-dark:hover{background:var(--blue);color:#fff}
.btn-text{font-size:15px;font-weight:500;color:var(--blue);display:inline-flex;align-items:center;gap:4px}
.btn-text:hover{gap:8px}

/* ========== SECTION ========== */
.section{padding:120px 0;position:relative}
.section-dark{background:var(--gray-900);color:#fff}
.section-gray{background:var(--gray-50)}
.section-label{font-size:16px;color:var(--orange);font-weight:600;letter-spacing:3px;text-transform:uppercase;text-align:center;margin-bottom:16px}
.section-dark .section-label{color:#60a5fa}
.section-heading{font-size:clamp(36px,5vw,56px);font-weight:800;text-align:center;letter-spacing:-1.5px;line-height:1.1;margin-bottom:20px}
.section-desc{font-size:18px;color:var(--gray-400);text-align:center;max-width:600px;margin:0 auto 72px;font-weight:300;line-height:1.6}
.section-dark .section-desc{color:rgba(255,255,255,.5)}

/* ========== PRODUCTS ========== */
.product-section{display:grid;gap:20px}
.product-block{border-radius:24px;;position:relative;min-height:580px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:80px 40px;transition:transform .4s}
.product-block:hover{transform:scale(1.005)}
.product-block.light{background:#fff;box-shadow:0 4px 40px rgba(0,0,0,.06)}
.product-block.dark{background:var(--gray-900);color:#fff}
.product-block.gradient-1{background:linear-gradient(135deg,#0f172a 0%,#1e3a5f 100%);color:#fff}
.product-block.gradient-2{background:linear-gradient(135deg,#1a56db 0%,#3b82f6 100%);color:#fff}
.product-block.gradient-3{background:linear-gradient(135deg,#065f46 0%,#10b981 100%);color:#fff}
.product-icon{font-size:80px;margin-bottom:32px;filter:drop-shadow(0 10px 30px rgba(0,0,0,.2))}
.product-img{width:260px;max-width:80%;height:260px;object-fit:cover;border-radius:20px;margin-bottom:32px;box-shadow:0 20px 60px rgba(0,0,0,.3);transition:transform .5s}.product-block:hover .product-img{transform:scale(1.03)}
.product-block h3{font-size:clamp(28px,4vw,40px);font-weight:800;letter-spacing:-1px;margin-bottom:12px}
.product-block p{font-size:17px;opacity:.7;max-width:480px;margin:0 auto 36px;line-height:1.6;font-weight:300}
.product-tags{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.product-tags span{padding:6px 18px;border-radius:980px;font-size:13px;font-weight:500;border:1px solid rgba(255,255,255,.15);opacity:.8}
.product-block.light .product-tags span{border-color:var(--gray-200);color:var(--gray-600)}

/* ========== ABOUT ========== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about-text h3{font-size:clamp(28px,3vw,40px);font-weight:800;letter-spacing:-1px;margin-bottom:24px;line-height:1.2}
.about-text p{font-size:17px;color:var(--gray-600);line-height:1.8;margin-bottom:16px;font-weight:300}
.about-text .highlight{color:var(--blue);font-weight:500}
.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.about-card{padding:32px;border-radius:20px;background:var(--gray-50);transition:all .3s;border:1px solid transparent}
.about-card:hover{background:#fff;box-shadow:0 8px 30px rgba(0,0,0,.06);border-color:var(--gray-200)}
.about-card .icon{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:20px}
.about-card:nth-child(1) .icon{background:linear-gradient(135deg,#1a56db,#3b82f6)}
.about-card:nth-child(2) .icon{background:linear-gradient(135deg,#f97316,#fb923c)}
.about-card:nth-child(3) .icon{background:linear-gradient(135deg,#10b981,#34d399)}
.about-card:nth-child(4) .icon{background:linear-gradient(135deg,#8b5cf6,#a78bfa)}
.about-card h4{font-size:16px;font-weight:700;margin-bottom:6px;color:var(--gray-800)}
.about-card p{font-size:14px;color:var(--gray-400);line-height:1.6}

/* ========== STATS ========== */
.stats-row{display:flex;justify-content:center;gap:80px;padding:80px 0}
.stat{text-align:center}
.stat-num{font-size:56px;font-weight:800;letter-spacing:-2px;
  background:linear-gradient(135deg,var(--blue),#60a5fa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{font-size:15px;color:var(--gray-400);margin-top:4px;font-weight:400}

/* ========== ADVANTAGES ========== */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.adv-card{padding:48px 28px;border-radius:24px;text-align:center;background:#fff;
  box-shadow:0 2px 20px rgba(0,0,0,.04);transition:all .4s;border:1px solid var(--gray-100)}
.adv-card:hover{transform:translateY(-8px);box-shadow:0 20px 60px rgba(0,0,0,.1);border-color:transparent}
.adv-icon{width:72px;height:72px;border-radius:22px;margin:0 auto 28px;display:flex;align-items:center;justify-content:center;font-size:32px;
  background:linear-gradient(135deg,var(--gray-900),var(--gray-800))}
.adv-card:nth-child(1):hover .adv-icon{background:linear-gradient(135deg,#1a56db,#3b82f6)}
.adv-card:nth-child(2):hover .adv-icon{background:linear-gradient(135deg,#f97316,#fb923c)}
.adv-card:nth-child(3):hover .adv-icon{background:linear-gradient(135deg,#10b981,#34d399)}
.adv-card:nth-child(4):hover .adv-icon{background:linear-gradient(135deg,#8b5cf6,#a78bfa)}
.adv-card h4{font-size:18px;font-weight:700;margin-bottom:10px;letter-spacing:-.3px}
.adv-card p{font-size:14px;color:var(--gray-400);line-height:1.6}

/* ========== HOW TO ORDER ========== */
.order-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.order-card{position:relative;padding:48px 28px 40px;border-radius:24px;text-align:center;background:#fff;
  border:2px solid var(--gray-100);transition:all .4s;}
.order-card:hover{transform:translateY(-8px);border-color:var(--blue);box-shadow:0 20px 60px rgba(26,86,219,.12)}
.order-step{position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--blue),#60a5fa);transform:scaleX(0);transition:transform .4s;transform-origin:left}
.order-card:hover .order-step{transform:scaleX(1)}
.order-icon{width:72px;height:72px;border-radius:50%;margin:0 auto 24px;display:flex;align-items:center;justify-content:center;font-size:32px;
  background:linear-gradient(135deg,var(--blue),#60a5fa);box-shadow:0 8px 30px rgba(26,86,219,.25);transition:all .4s}
.order-card:hover .order-icon{transform:scale(1.1);box-shadow:0 12px 40px rgba(26,86,219,.35)}
.order-card h3{font-size:20px;font-weight:700;margin-bottom:12px;color:var(--gray-900);letter-spacing:-.3px}
.order-card p{font-size:14px;color:var(--gray-400);line-height:1.7}

/* ========== PRODUCT DETAIL PAGE ========== */
.product-hero{padding:140px 0 80px;background:var(--gray-900);color:#fff;position:relative;}
.product-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 60% at 30% 50%,rgba(26,86,219,.25),transparent)}
.product-hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:2}
/* Layout: gallery left, text right - HTML order controls layout */
.product-hero-label{font-size:14px;color:var(--orange);font-weight:600;letter-spacing:3px;text-transform:uppercase;margin-bottom:16px}
.product-hero-name{font-size:clamp(36px,5vw,56px);font-weight:800;letter-spacing:-2px;line-height:1.05;margin-bottom:8px}
.product-hero-sub{font-size:18px;color:rgba(255,255,255,.5);font-weight:300;margin-bottom:24px}
.product-hero-desc{font-size:16px;color:rgba(255,255,255,.6);line-height:1.8;max-width:520px}
.product-hero .btn-outline-dark{color:rgba(255,255,255,.8);border-color:rgba(255,255,255,.2)}
.product-hero .btn-outline-dark:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.4);color:#fff}

/* Gallery */
.product-hero-gallery{overflow:visible}
.gallery-main{border-radius:20px;;background:rgba(255,255,255,.05);margin-bottom:16px;;display:flex;align-items:center;justify-content:center;}
.gallery-main img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;transition:opacity .3s}
.gallery-thumbs{display:flex;flex-wrap:nowrap;gap:12px;overflow-x:auto;-webkit-overflow-scrolling:touch;padding:8px 4px 12px;background:rgba(255,255,255,.06);border-radius:12px;border:1px solid rgba(255,255,255,.08);position:relative;scrollbar-width:thin;-ms-overflow-style:none;}
.gallery-thumbs::before{content:'';position:absolute;top:50%;left:4px;right:4px;height:2px;background:rgba(255,255,255,.1);border-radius:1px;z-index:0;pointer-events:none}
.gallery-thumbs::-webkit-scrollbar{height:8px;background:rgba(255,255,255,.1);border-radius:4px;cursor:grab}
.gallery-thumbs::-webkit-scrollbar-thumb{background:rgba(255,255,255,.4);border-radius:4px;cursor:grab}
.gallery-thumbs::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.6)}
.gallery-thumbs{scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.4) rgba(255,255,255,.1)}
.gallery-thumb{width:72px;height:72px;border-radius:10px;;cursor:pointer;border:2px solid transparent;transition:all .3s;opacity:.5;flex-shrink:0;scroll-snap-align:start;position:relative;z-index:1}
.gallery-thumb:hover{opacity:.8}
.gallery-thumb.active{border-color:var(--blue);opacity:1}
.gallery-thumb img{width:100%;height:100%;object-fit:cover}

/* Features */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.feature-card{display:flex;align-items:center;gap:12px;padding:20px 24px;border-radius:16px;background:#fff;border:1px solid var(--gray-100);transition:all .3s;font-size:15px;font-weight:500;color:var(--gray-800);white-space:normal}
.feature-card:hover{border-color:var(--blue);box-shadow:0 4px 20px rgba(26,86,219,.08);transform:translateY(-2px)}
.feature-check{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,#10b981,#34d399);display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:700;flex-shrink:0}
.feature-card span{white-space:normal;word-break:break-word}

/* Specs Table */
.specs-table{max-width:720px;margin:0 auto;border:1px solid var(--gray-200);border-radius:20px;;background:#fff}
.spec-row{display:grid;grid-template-columns:200px 1fr;border-bottom:1px solid var(--gray-100)}
.spec-row:last-child{border-bottom:none}
.spec-key{padding:18px 24px;background:var(--gray-50);font-weight:600;font-size:14px;color:var(--gray-800)}
.spec-val{padding:18px 24px;font-size:14px;color:var(--gray-600)}

/* Inquiry Form */
.inquiry-form{max-width:640px;margin:0 auto;background:#fff;border-radius:24px;padding:48px;box-shadow:0 4px 40px rgba(0,0,0,.06)}
.inquiry-form h3{font-size:24px;font-weight:700;text-align:center;margin-bottom:32px;letter-spacing:-.5px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.inquiry-form input,.inquiry-form select,.inquiry-form textarea{
  width:100%;padding:14px 20px;border:1.5px solid var(--gray-200);border-radius:14px;
  font-size:15px;font-family:var(--font);background:var(--gray-50);transition:all .3s;outline:none}
.inquiry-form input:focus,.inquiry-form select:focus,.inquiry-form textarea:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(26,86,219,.08)}
.inquiry-form select{cursor:pointer;-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.inquiry-form textarea{height:120px;resize:vertical;margin-bottom:14px}

/* ========== CHARITY ========== */
.section-charity{background:linear-gradient(180deg,#fffdf7 0%,#fef3c7 100%)}
.charity-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.charity-card{background:#fff;border-radius:24px;padding:48px 32px;text-align:center;box-shadow:0 4px 30px rgba(0,0,0,.04);transition:all .4s;border:1px solid rgba(245,158,11,.08);position:relative;}
.charity-card:hover{transform:translateY(-8px);box-shadow:0 20px 60px rgba(245,158,11,.12);border-color:rgba(245,158,11,.2)}
.charity-card:nth-child(3){background:linear-gradient(135deg,#fef3c7,#fde68a);border-color:rgba(245,158,11,.15)}
.charity-icon-wrap{width:80px;height:80px;border-radius:50%;margin:0 auto 24px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f59e0b,#fbbf24);box-shadow:0 8px 30px rgba(245,158,11,.3)}
.charity-emoji{font-size:40px}
.charity-card h3{font-size:22px;font-weight:700;color:var(--gray-900);margin-bottom:12px;letter-spacing:-.3px}
.charity-card p{font-size:15px;color:var(--gray-600);line-height:1.7}
.btn-charity{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;padding:14px 36px;border-radius:980px;font-size:15px;font-weight:600;border:none;cursor:pointer;transition:all .3s;font-family:var(--font);display:inline-flex;align-items:center;gap:6px;text-decoration:none}
.btn-charity:hover{background:linear-gradient(135deg,#d97706,#b45309);transform:scale(1.04);box-shadow:0 8px 30px rgba(245,158,11,.4)}

/* ========== CONTACT ========== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.contact-left h3{font-size:clamp(28px,3vw,40px);font-weight:800;letter-spacing:-1px;margin-bottom:12px}
.contact-left>p{font-size:17px;color:var(--gray-400);margin-bottom:40px;line-height:1.6;font-weight:300}
.contact-item{display:flex;gap:16px;align-items:flex-start;margin-bottom:28px}
.contact-item .ci-icon{width:44px;height:44px;border-radius:12px;background:var(--gray-50);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.contact-item h4{font-size:14px;font-weight:600;margin-bottom:2px}
.contact-item p{font-size:15px;color:var(--gray-400)}
.contact-form input,.contact-form textarea{
  width:100%;padding:14px 20px;border:1.5px solid var(--gray-200);border-radius:14px;
  font-size:15px;font-family:var(--font);background:var(--gray-50);transition:all .3s;margin-bottom:14px;outline:none}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(26,86,219,.08)}
.contact-form textarea{height:130px;resize:vertical}

/* ========== FOOTER ========== */
.site-footer{background:var(--gray-900);color:var(--gray-400);padding:60px 0 0;border-top:1px solid rgba(255,255,255,.06)}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.06)}
.footer-brand h3{font-size:18px;color:#fff;font-weight:700;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.8;opacity:.6}
.footer-col h4{font-size:13px;color:#fff;font-weight:600;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:var(--gray-400);margin-bottom:10px;transition:color .3s}
.footer-col a:hover{color:#fff}
.footer-bottom{text-align:center;padding:24px 0;font-size:13px;opacity:.4}

/* ========== RESPONSIVE ========== */
@media(max-width:1024px){
  .product-block{min-height:420px;padding:60px 28px}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .order-grid{grid-template-columns:repeat(2,1fr)}
  .charity-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .product-hero-inner{grid-template-columns:1fr;gap:40px}
  .product-hero-inner>*:first-child{order:1}
  .product-hero-inner>*:last-child{order:2}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .nav-links{display:none}
  .mobile-toggle{display:block}
  .hero-title{letter-spacing:-1px}
  .section{padding:80px 0}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:48px}
  .stats-row{gap:40px;flex-wrap:wrap}
  .stat-num{font-size:40px}
  .product-block{min-height:360px;padding:48px 24px}
  .order-grid,.charity-grid,.cases-grid{grid-template-columns:1fr}
  .adv-grid,.footer-top{grid-template-columns:1fr}
  .product-tags{gap:6px}
  .product-tags span{font-size:12px;padding:4px 12px}
  .feature-grid{grid-template-columns:1fr;gap:12px}
  .feature-card{flex-direction:row;align-items:center;padding:16px 20px}
  .feature-card span{white-space:normal;word-break:break-word;flex:1}
  .spec-row{grid-template-columns:1fr}
  .spec-key{border-bottom:1px solid var(--gray-100)}
  .form-row{grid-template-columns:1fr}
  .inquiry-form{padding:32px 24px}
  .product-hero{padding:120px 0 60px}
  .gallery-thumbs{overflow-x:auto;-webkit-overflow-scrolling:touch;flex-wrap:nowrap}
}


/* ========== CHARITY DETAIL PAGE ========== */
.charity-hero{padding:140px 0 80px;background:linear-gradient(135deg,#fef3c7 0%,#fde68a 50%,#fbbf24 100%);text-align:center;position:relative;}
.charity-hero::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.charity-hero-inner{position:relative;z-index:2;max-width:720px}
.charity-hero-title{font-size:clamp(40px,6vw,64px);font-weight:800;color:var(--gray-900);letter-spacing:-2px;margin-bottom:8px}
.charity-hero-sub{font-size:20px;color:var(--gray-800);font-weight:500;margin-bottom:24px}
.charity-hero-intro{font-size:17px;color:var(--gray-600);line-height:1.8;max-width:600px;margin:0 auto}
.section-charity-light{background:#fffdf7}
.cases-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case-card{background:#fff;border-radius:20px;padding:32px;box-shadow:0 2px 20px rgba(0,0,0,.04);border:1px solid rgba(245,158,11,.06);transition:all .4s;position:relative}
.case-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(245,158,11,.1)}
.case-status{display:inline-block;padding:5px 16px;border-radius:980px;font-size:12px;font-weight:600;margin-bottom:20px}
.status-adopted{background:#dcfce7;color:#15803d}
.status-foster{background:#e0e7ff;color:#4338ca}
.status-waiting{background:#fef3c7;color:#92400e}
.case-header{display:flex;align-items:center;gap:16px;margin-bottom:20px}
.case-avatar{width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,#f59e0b,#fbbf24);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;color:#fff;flex-shrink:0}
.case-name{font-size:20px;font-weight:700;color:var(--gray-900);margin-bottom:2px}
.case-date{font-size:13px;color:var(--gray-400)}
.case-body p{font-size:15px;color:var(--gray-600);line-height:1.8}
.case-footer{display:flex;align-items:center;gap:8px;margin-top:20px;padding-top:16px;border-top:1px solid var(--gray-100)}
.case-emoji{font-size:16px}
.case-tag{font-size:12px;color:var(--gray-400);font-weight:500}
.charity-cta-section{background:linear-gradient(180deg,#fffdf7,#fef3c7)}
.charity-cta-card{max-width:640px;margin:0 auto;background:#fff;border-radius:28px;padding:60px 40px;box-shadow:0 8px 40px rgba(245,158,11,.08)}
.charity-cta-icon{font-size:56px;margin-bottom:20px}
.charity-cta-card h2{font-size:28px;font-weight:800;color:var(--gray-900);letter-spacing:-.5px;margin-bottom:12px}
.charity-cta-card p{font-size:17px;color:var(--gray-600);line-height:1.7;max-width:500px;margin:0 auto}
.btn-outline-charity{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:980px;font-size:15px;font-weight:500;border:2px solid #f59e0b;color:#d97706;background:transparent;cursor:pointer;transition:all .3s;font-family:var(--font);text-decoration:none}
.btn-outline-charity:hover{background:#fef3c7;border-color:#fbbf24}
.charity-card-link{text-decoration:none;color:inherit;display:block;cursor:pointer}
.charity-card-link:hover{transform:translateY(-8px);box-shadow:0 20px 60px rgba(245,158,11,.12)}
.charity-link-text{display:inline-block;margin-top:20px;font-size:15px;font-weight:600;color:var(--orange);transition:gap .3s}
.charity-card-link:hover .charity-link-text{letter-spacing:1px}
.charity-card-cta{text-decoration:none;color:inherit}
@media(max-width:768px){
  .cases-grid{grid-template-columns:1fr}
  .charity-hero{padding:120px 0 60px}
  .charity-cta-card{padding:40px 24px}
}

/* ========== CHARITY LAYOUT: SIDEBAR + MAIN ========== */
.charity-layout{display:grid;grid-template-columns:320px 1fr;gap:40px;align-items:start}
.charity-sidebar{position:sticky;top:100px}
.charity-main{min-width:0}

/* ========== DONATION LEADERBOARD ========== */
.leaderboard-card{background:#fff;border-radius:20px;padding:28px;box-shadow:0 2px 20px rgba(0,0,0,.04);border:1px solid rgba(245,158,11,.08);}
.leaderboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.leaderboard-header h3{font-size:17px;font-weight:700;color:var(--gray-900);margin:0}
.leaderboard-count{font-size:13px;color:var(--gray-400);background:var(--gray-50);padding:4px 12px;border-radius:980px}
.leaderboard-note{font-size:12px;color:var(--gray-400);text-align:center;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--gray-100)}

.leaderboard-list{max-height:520px;overflow-y:auto}
.donor-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid #f8fafc;transition:background .2s}
.donor-row:hover{background:#fffbeb;border-radius:10px}
.donor-row:last-child{border-bottom:none}
.donor-top{background:#fffbeb;border-radius:10px;padding:12px 8px;margin-bottom:4px}
.donor-rank{width:32px;text-align:center;font-size:14px;font-weight:700;color:var(--gray-400);flex-shrink:0}
.donor-top .donor-rank{font-size:18px}
.donor-flag{font-size:20px;flex-shrink:0}
.donor-info{flex:1;min-width:0;display:flex;flex-direction:column}
.donor-name{font-size:14px;font-weight:600;color:var(--gray-900);;text-overflow:ellipsis;white-space:nowrap;transition:all .3s}
.donor-anon-active{color:var(--gray-400)!important;font-style:italic}
.donor-country{font-size:12px;color:var(--gray-400)}
.donor-amount{font-size:14px;font-weight:700;color:#f59e0b;flex-shrink:0;white-space:nowrap}

.leaderboard-total{margin-top:20px;padding-top:16px;border-top:2px solid #fef3c7;display:flex;justify-content:space-between;align-items:center}
.leaderboard-total span{font-size:14px;color:var(--gray-500)}
.leaderboard-total strong{font-size:22px;font-weight:800;color:var(--gray-900)}

/* ========== CASE STATUS: RELEASED ========== */
.status-released{background:#dbeafe;color:#1d4ed8}

@media(max-width:1024px){
  .charity-layout{grid-template-columns:280px 1fr;gap:28px}
  .leaderboard-list{}
}

@media(max-width:768px){
  .charity-layout{grid-template-columns:1fr}
  .charity-sidebar{position:static}
  .cases-grid{grid-template-columns:1fr}
  .charity-hero{padding:120px 0 60px}
  .charity-cta-card{padding:40px 24px}
  .leaderboard-list{max-height:340px}
}
/* ====== PRODUCT CARD GRID (10 products) ====== */
.product-card-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 0;
}
.product-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}
.product-card {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.14);
}
.product-card-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 20px;
  z-index: 2;
  letter-spacing: 0.5px;
}
.product-card-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  background: #f8fafc;
  overflow: hidden;
}
.product-card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
  display: block;
}
.product-card-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #e2e8f0;
  color: #64748b;
  font-size: 13px;
  font-weight: 600;
}
.product-card-body {
  padding: 14px 14px 14px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-card-model {
  font-size: 11px;
  color: #94a3b8;
  font-family: monospace;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.product-card-name {
  font-size: 14px;
  font-weight: 700;
  color: #1e293b;
  margin: 0 0 2px;
  line-height: 1.3;
}
.product-card-name-en {
  font-size: 11px;
  color: #64748b;
  margin-bottom: 8px;
  line-height: 1.3;
}
.product-card-tag {
  display: inline-block;
  font-size: 10px;
  color: #3b82f6;
  background: #eff6ff;
  border-radius: 4px;
  padding: 2px 6px;
  margin-bottom: 10px;
  font-weight: 500;
}
.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid #f1f5f9;
}
.product-card-price {
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.price-from {
  font-size: 10px;
  color: #94a3b8;
}
.price-val {
  font-size: 18px;
  font-weight: 800;
  color: #1e40af;
}
.price-unit {
  font-size: 10px;
  color: #64748b;
}
.product-card-cert {
  font-size: 10px;
  font-weight: 700;
  color: #059669;
  background: #ecfdf5;
  padding: 2px 6px;
  border-radius: 4px;
}
.product-card-cta {
  margin-top: 10px;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: #1e40af;
  background: #eff6ff;
  border-radius: 6px;
  padding: 6px 0;
  transition: background 0.2s;
}
.product-card:hover .product-card-cta {
  background: #1e40af;
  color: #fff;
}

/* Responsive */
@media (max-width: 1200px) {
  .product-card-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 900px) {
  .product-card-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .product-card-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .product-card-name { font-size: 12px; }
  .price-val { font-size: 15px; }
}


/* Smart Switches Gallery Grid */
.product-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 24px;
}
.gallery-card {
  display: block;
  text-decoration: none;
  border-radius: 12px;
  overflow: hidden;
  background: var(--gray-900, #111827);
  border: 1px solid rgba(255,255,255,0.08);
  transition: transform 0.2s, box-shadow 0.2s;
}
.gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
  border-color: var(--blue-500, #3b82f6);
}
.gallery-card-img {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.gallery-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #0a0a0a;
  transition: transform 0.3s;
}
.gallery-card:hover .gallery-card-img img {
  transform: scale(1.05);
}
.gallery-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 32px 12px 12px;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.gallery-card-model {
  font-size: 12px;
  font-weight: 700;
  color: var(--blue-400, #60a5fa);
  letter-spacing: 0.5px;
}
.gallery-card-name {
  font-size: 13px;
  color: rgba(255,255,255,0.85);
}
@media (max-width: 640px) {
  .product-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

.gallery-thumb{flex-shrink:0;width:72px;height:54px;border-radius:8px;;cursor:pointer;border:2px solid transparent;transition:border-color 0.2s}
.gallery-thumb.active{border-color:var(--orange)}
.gallery-thumb:hover{border-color:var(--blue-400)}
.switch-thumb{flex-shrink:0;width:72px;height:54px;border-radius:8px;;cursor:pointer;border:2px solid transparent;transition:border-color 0.2s}

/* 移动端缩略图滑动修复 */
.gallery-main{display:flex!important;align-items:center!important;justify-content:center!important;width:100%!important;padding:20px!important}.gallery-main img{max-width:85%!important;max-height:350px!important;height:auto!important;width:auto!important;object-fit:contain!important;display:block!important;margin:0 auto!important}