:root{
  --orange:#ff6500;
  --orange2:#f24e00;
  --ink:#25180f;
  --muted:#77665a;
  --cream:#fff6ec;
  --paper:#fffdf9;
  --line:#eadfd4;
  --dark:#1b120d;
  --radius:24px;
  --shadow:0 24px 70px rgba(58,25,2,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--paper);line-height:1.78;overflow-x:hidden;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{width:min(1180px,calc(100% - 48px));margin:auto}
.site-header{position:fixed;inset:0 0 auto;z-index:100;height:82px;border-bottom:1px solid rgba(255,255,255,.12);transition:.3s;background:rgba(23,13,7,.14);backdrop-filter:blur(8px)}
.site-header.scrolled{height:74px;background:rgba(255,253,249,.94);border-color:rgba(37,24,15,.08);box-shadow:0 8px 26px rgba(46,21,4,.08)}
.nav-wrap{height:100%;display:flex;align-items:center;gap:26px}
.brand{width:214px;display:flex;align-items:center;flex:0 0 auto}
.brand img{width:100%;height:auto;max-height:62px;object-fit:contain;object-position:left center}
.nav{display:flex;align-items:center;gap:24px;margin-left:auto}
.nav a{font-size:14px;color:#fff;font-weight:700;opacity:.92;position:relative;letter-spacing:.02em}
.nav a:after{content:"";position:absolute;left:0;bottom:-7px;width:0;height:2px;background:var(--orange);transition:.25s}
.nav a:hover:after{width:100%}
.site-header.scrolled .nav a{color:var(--ink)}
.nav-cta{padding:11px 18px;border-radius:999px;background:var(--orange);color:#fff;font-size:14px;font-weight:800;box-shadow:0 8px 24px rgba(255,101,0,.25)}
.menu-btn{display:none;background:none;border:0;padding:6px}
.menu-btn span{display:block;width:24px;height:2px;background:#fff;margin:5px 0}
.site-header.scrolled .menu-btn span{background:var(--ink)}
.hero{min-height:100vh;position:relative;display:flex;align-items:center;overflow:hidden;color:#fff}
.hero-bg{position:absolute;inset:0;background-image:url("https://images.unsplash.com/photo-1682496178083-74db4a32e473?auto=format&fit=crop&w=2000&q=88");background-size:cover;background-position:center 56%;transform:scale(1.03)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(24,10,2,.88) 0%,rgba(32,12,1,.74) 45%,rgba(32,12,1,.34) 100%),linear-gradient(180deg,rgba(0,0,0,.1),rgba(0,0,0,.34))}
.hero:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(255,255,255,.12);border-radius:50%;right:-170px;bottom:-180px;box-shadow:0 0 0 90px rgba(255,255,255,.035),0 0 0 180px rgba(255,255,255,.025)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.45fr .67fr;gap:88px;align-items:center;padding-top:78px}
.hero-copy{max-width:760px}
.eyebrow,.section-tag{font-size:12px;font-weight:900;letter-spacing:.22em;text-transform:uppercase;color:var(--orange);margin-bottom:18px}
.hero .eyebrow{color:#ffd1b3}
.hero h1{font-size:clamp(50px,6vw,82px);line-height:1.06;letter-spacing:-.045em;margin:0 0 22px;font-weight:900}
.hero h1 em{font-style:normal;color:#ffb078}
.hero-sub{font-size:22px;line-height:1.55;margin:0 0 34px;color:rgba(255,255,255,.9);max-width:600px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 24px;border-radius:999px;font-weight:900;font-size:15px;transition:.25s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 12px 30px rgba(255,101,0,.3)}
.btn-ghost{border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08);color:#fff}
.hero-points{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.hero-points span{font-size:12px;padding:8px 12px;border:1px solid rgba(255,255,255,.18);border-radius:999px;background:rgba(255,255,255,.06);color:rgba(255,255,255,.82)}
.hero-card{background:rgba(255,101,0,.94);padding:30px 28px;border-radius:28px;box-shadow:0 24px 70px rgba(0,0,0,.25);backdrop-filter:blur(6px)}
.hero-card img{width:100%;height:auto;max-height:135px;object-fit:contain;object-position:center;border-radius:14px}
.hero-card-line{height:1px;background:rgba(255,255,255,.26);margin:22px 0}
.hero-card p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.94);margin:0 0 16px}
.hero-card>a{font-size:24px;font-weight:900;letter-spacing:.02em}
.scroll-hint{position:absolute;left:50%;bottom:24px;z-index:2;transform:translateX(-50%);font-size:11px;letter-spacing:.16em;color:rgba(255,255,255,.7);display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-hint span{width:1px;height:34px;background:linear-gradient(#fff,transparent)}
.section{padding:126px 0}
.section-head{display:grid;grid-template-columns:1.16fr .72fr;gap:68px;align-items:end;margin-bottom:58px}
.section h2,.contact h2{font-size:clamp(36px,4.2vw,58px);line-height:1.14;letter-spacing:-.038em;margin:0;font-weight:900}
.section-head>p{font-size:17px;line-height:1.9;color:var(--muted);margin:0 0 5px;max-width:460px}
.story{background:var(--paper)}
.story-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:92px;align-items:center}
.story-copy{max-width:560px}
.story-copy .lead{font-size:18px;color:var(--ink);margin-bottom:14px}
.story-copy blockquote{margin:30px 0;padding:22px 0 22px 28px;border-left:4px solid var(--orange);font-size:21px;line-height:1.72;color:#433326}
.story-copy p{color:var(--muted);font-size:16px;line-height:1.92;margin:0 0 16px}
.story-copy strong{color:var(--ink)}
.story-media{position:relative;min-height:560px}
.photo{margin:0;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);background:#eee}
.photo img{width:100%;height:100%;object-fit:cover}
.photo-main{width:78%;height:500px;margin-left:auto}
.photo-small{position:absolute;left:0;bottom:18px;width:45%;height:250px;border:8px solid var(--paper)}
.story-stamp{position:absolute;right:-12px;bottom:48px;width:120px;height:120px;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;text-align:center;line-height:1.2;font-weight:800;box-shadow:0 14px 40px rgba(255,101,0,.3)}
.story-stamp b{font-size:30px}
.model{background:var(--cream)}
.model-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.model-card{position:relative;background:#fff;border:1px solid #f0e4da;border-radius:22px;padding:32px 26px;min-height:302px;transition:.25s}
.model-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.model-card .num{font-size:12px;font-weight:900;color:var(--orange);letter-spacing:.14em}
.model-card h3{font-size:23px;line-height:1.3;margin:40px 0 14px}
.model-card p{font-size:14px;line-height:1.85;color:var(--muted);margin:0}
.pill{display:inline-flex;margin-top:24px;padding:7px 10px;border-radius:999px;background:#fff1e6;color:var(--orange2);font-size:12px;font-weight:800}
.food-strip{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:16px;margin-top:32px}
.food-strip figure{margin:0;position:relative;height:290px;border-radius:20px;overflow:hidden}
.food-strip img{width:100%;height:100%;object-fit:cover;transition:.5s}
.food-strip figure:hover img{transform:scale(1.04)}
.food-strip figcaption{position:absolute;left:16px;bottom:14px;padding:8px 12px;border-radius:999px;background:rgba(24,12,5,.66);backdrop-filter:blur(6px);color:#fff;font-size:12px;font-weight:800}
.partner{background:var(--orange);color:#fff;position:relative;overflow:hidden}
.partner:before{content:"";position:absolute;width:650px;height:650px;border-radius:50%;border:1px solid rgba(255,255,255,.12);right:-220px;top:-250px;box-shadow:0 0 0 100px rgba(255,255,255,.035),0 0 0 200px rgba(255,255,255,.02)}
.partner-grid{position:relative;z-index:1;display:grid;grid-template-columns:.9fr 1.1fr;gap:90px;align-items:start}
.section-tag.light{color:#ffe0cc}
.partner h2 em{font-style:normal;color:#25180f}
.partner-intro>p{color:rgba(255,255,255,.88);font-size:17px;line-height:1.9;max-width:560px}
.quote-card{margin-top:36px;padding:24px 26px;border:1px solid rgba(255,255,255,.24);border-radius:18px;background:rgba(255,255,255,.08);font-size:15px;line-height:1.85}
.criteria{display:grid;gap:12px}
.criteria-item{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.22)}
.criteria-item>span{font-size:13px;font-weight:900;opacity:.7}
.criteria-item h3{font-size:22px;margin:0 0 6px}
.criteria-item p{margin:0;color:rgba(255,255,255,.84);font-size:14px;line-height:1.85}
.support{background:var(--paper)}
.support-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:74px;align-items:center}
.support-photo{height:610px;border-radius:28px;overflow:hidden;position:relative;box-shadow:var(--shadow)}
.support-photo img{width:100%;height:100%;object-fit:cover}
.support-photo-badge{position:absolute;right:18px;bottom:18px;background:rgba(255,101,0,.92);color:#fff;padding:18px 22px;border-radius:16px;line-height:1.35;font-size:14px}
.support-photo-badge b{font-size:23px}
.support-copy h2{font-size:46px;line-height:1.18;margin-bottom:28px}
.support-list{display:grid;gap:0}
.support-list>div{display:grid;grid-template-columns:48px 1fr;align-items:center;border-top:1px solid var(--line);padding:18px 0}
.support-list>div:last-child{border-bottom:1px solid var(--line)}
.support-list i{font-style:normal;color:var(--orange);font-size:12px;font-weight:900}
.support-list span{font-size:17px;font-weight:800;line-height:1.55}
.process{background:var(--cream)}
.timeline{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.timeline li{background:#fff;border:1px solid #efe2d6;border-radius:20px;padding:24px;min-height:205px;position:relative}
.timeline li:nth-child(5),.timeline li:nth-child(6),.timeline li:nth-child(7){grid-column:span 1}
.timeline li span{font-size:11px;font-weight:900;color:var(--orange);letter-spacing:.13em}
.timeline li h3{font-size:21px;line-height:1.32;margin:38px 0 8px}
.timeline li p{font-size:14px;line-height:1.75;color:var(--muted);margin:0}
.timeline li:after{content:"→";position:absolute;right:18px;top:16px;color:#d8c7b9;font-size:20px}
.timeline li:last-child:after{content:"✓";color:var(--orange)}
.contact{min-height:650px;position:relative;display:flex;align-items:center;color:#fff;overflow:hidden}
.contact-bg{position:absolute;inset:0;background-image:url("https://images.unsplash.com/photo-1726992117805-6b3c5a8ebd3f?auto=format&fit=crop&w=1800&q=82");background-size:cover;background-position:center}
.contact-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(25,11,3,.9),rgba(25,11,3,.58)),linear-gradient(180deg,transparent,rgba(0,0,0,.3))}
.contact-inner{position:relative;z-index:1;max-width:860px}
.contact h2{font-size:clamp(46px,5.5vw,72px);line-height:1.08;margin-bottom:18px}
.contact p{font-size:20px;line-height:1.8;color:rgba(255,255,255,.86);margin-bottom:30px}
.contact-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--ink)}
.btn-outline-white{border:1px solid rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.06)}
.contact-note{margin-top:30px;color:rgba(255,255,255,.74);font-size:13px;line-height:1.8}
.footer{background:#18100b;color:#fff;padding:48px 0 40px}
.footer-grid{display:grid;grid-template-columns:1fr 1fr auto;gap:50px;align-items:end}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start}
.footer-brand img{width:220px;height:auto;max-height:100px;object-fit:contain;object-position:left center}
.footer-brand p{color:#9f9188;font-size:13px;line-height:1.8;margin:12px 0 0;max-width:320px}
.footer-info p{margin:4px 0;color:#d8cec7;font-size:13px;line-height:1.8}
.footer-info b{display:inline-block;width:68px;color:#fff}
.footer-copy{font-size:11px;color:#7f736c;text-align:right}
.mobile-bar{display:none}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
.delay-1{transition-delay:.08s}
.delay-2{transition-delay:.16s}
.delay-3{transition-delay:.24s}
@media (max-width:980px){
  .container{width:min(100% - 34px,920px)}
  .nav{display:none}
  .menu-btn{display:block;margin-left:auto}
  .nav-cta{display:none}
  .site-header.menu-open .nav{display:flex;position:absolute;top:70px;left:17px;right:17px;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-radius:18px;padding:10px;box-shadow:var(--shadow)}
  .site-header.menu-open .nav a{color:var(--ink);padding:13px 14px;border-bottom:1px solid #eee}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero-card{display:none}
  .hero h1{font-size:clamp(46px,8vw,74px)}
  .story-grid,.partner-grid,.support-grid{grid-template-columns:1fr;gap:54px}
  .story-media{min-height:520px}
  .section-head{grid-template-columns:1fr;gap:22px}
  .model-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-copy{grid-column:1/-1;text-align:left}
  .support-photo{height:520px}
}
@media (max-width:640px){
  body{padding-bottom:68px}
  .container{width:calc(100% - 28px)}
  .site-header{height:68px}
  .brand{width:172px}
  .brand img{max-height:50px}
  .hero{min-height:760px}
  .hero-inner{padding-top:92px}
  .hero-bg{background-position:57% center}
  .hero-overlay{background:linear-gradient(180deg,rgba(28,12,4,.6),rgba(28,12,4,.85) 63%,rgba(28,12,4,.92))}
  .hero h1{font-size:44px}
  .hero-sub{font-size:16px;line-height:1.72}
  .hero-actions .btn{width:100%}
  .hero-points{gap:7px}
  .scroll-hint{display:none}
  .section{padding:86px 0}
  .section h2,.contact h2{font-size:38px}
  .story-grid{gap:36px}
  .story-media{min-height:390px}
  .photo-main{height:350px;width:85%}
  .photo-small{height:175px;width:50%;border-width:5px}
  .story-stamp{width:88px;height:88px;font-size:12px;right:0;bottom:36px}
  .story-stamp b{font-size:22px}
  .model-grid{grid-template-columns:1fr}
  .model-card{min-height:240px}
  .model-card h3{margin-top:26px}
  .food-strip{grid-template-columns:1fr 1fr}
  .food-strip figure{height:220px}
  .food-strip figure:first-child{grid-column:1/-1;height:260px}
  .partner-grid{gap:38px}
  .criteria-item{grid-template-columns:42px 1fr}
  .support-photo{height:390px}
  .support-copy h2{font-size:36px}
  .timeline{grid-template-columns:1fr}
  .timeline li{min-height:165px}
  .timeline li h3{margin-top:24px}
  .contact{min-height:590px}
  .contact h2{font-size:44px}
  .contact-actions .btn{width:100%;font-size:13px}
  .contact-note{line-height:1.8}
  .footer{padding:38px 0}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-brand img{width:190px;max-height:86px}
  .footer-copy{text-align:left}
  .mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:120;height:68px;display:grid;grid-template-columns:1fr 1.05fr;background:#fff;border-top:1px solid #eee;box-shadow:0 -8px 30px rgba(0,0,0,.1)}
  .mobile-bar a{display:flex;align-items:center;justify-content:center;flex-direction:column;font-size:12px;font-weight:800}
  .mobile-bar a:last-child{background:var(--orange);color:#fff}
  .mobile-bar small{font-size:10px;color:#87776d}
  .mobile-bar b{font-size:13px}
  .section-tag{font-size:10px}
  .section-head{margin-bottom:34px}
}