@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700;900&family=Noto+Sans+SC:wght@300;400;500&family=ZCOOL+XiaoWei&display=swap');

:root{
  --cinnabar:#C23A30;--cinnabar-deep:#8B1A1A;
  --paper:#F5EDE0;--paper-warm:#EDE3D1;--paper-cool:#FAF6EF;
  --ink:#2C2825;--ink-gray:#5A534D;--ink-light:#8A827A;--ink-muted:#B5ADA3;
  --gold:#C9A961;--gold-light:#E0CC99;
  --border:rgba(44,40,37,0.06);
  --radius:6px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{font-family:'Noto Sans SC',sans-serif;background:var(--paper);color:var(--ink);font-size:15px;line-height:1.8;overflow-x:hidden;-webkit-font-smoothing:antialiased}
::selection{background:var(--cinnabar);color:#fff}
strong{font-weight:500;color:var(--ink)}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.section-inner{max-width:1100px;margin:0 auto;padding:0 48px;position:relative;z-index:2}

/* ===== LOADING ===== */
.loading{position:fixed;inset:0;z-index:9999;background:var(--paper);display:flex;align-items:center;justify-content:center;flex-direction:column;transition:opacity .6s ease,visibility .6s}
.loading.done{opacity:0;visibility:hidden;pointer-events:none}
.load-brush{width:80px;height:2px;background:linear-gradient(90deg,transparent,var(--cinnabar),transparent);position:relative;overflow:hidden}
.load-brush::after{content:'';position:absolute;inset:0;background:var(--cinnabar);transform:translateX(-100%);animation:brushLoad 1.2s ease-in-out forwards}
@keyframes brushLoad{50%{transform:translateX(0)}100%{transform:translateX(100%)}}
.load-text{margin-top:16px;font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;font-size:12px;color:var(--cinnabar);letter-spacing:12px}
.pattern-bg{position:fixed;inset:0;pointer-events:none;opacity:.015;background-image:radial-gradient(circle at 25% 25%,var(--cinnabar) .5px,transparent .5px),radial-gradient(circle at 75% 75%,var(--gold) .5px,transparent .5px);background-size:60px 60px,90px 90px;z-index:0}

/* ===== REVEAL ===== */
.reveal,.reveal-left,.reveal-right{opacity:0;transition:all .8s ease}
.reveal{transform:translateY(30px)}.reveal-left{transform:translateX(-40px)}.reveal-right{transform:translateX(40px)}
.reveal.visible,.reveal-left.visible,.reveal-right.visible{opacity:1;transform:translate(0)}

/* ===== SEC COMMON ===== */
.sec-header{text-align:center;margin-bottom:64px}
.sec-label{font-size:11px;color:var(--cinnabar);letter-spacing:5px;margin-bottom:12px}
.sec-title{font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;font-size:clamp(28px,4vw,36px);font-weight:700;letter-spacing:4px;line-height:1.3}
.sec-title span{color:var(--cinnabar)}
.sec-line{width:36px;height:2px;background:var(--cinnabar);margin:14px auto 0}
.sec-desc{font-size:15px;color:var(--ink-gray);line-height:2;margin-top:20px;max-width:640px;margin-left:auto;margin-right:auto}

/* ===== HERO ===== */
.hero{position:relative;width:100%;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:center/cover no-repeat;z-index:0}
.hero-bg-dim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,22,18,.35) 0%,rgba(26,22,18,.15) 40%,rgba(245,237,224,.85) 85%,var(--paper) 95%);z-index:1}
.hero-wave{position:absolute;bottom:0;left:0;width:100%;height:100px;z-index:2}
.hero .nav{position:absolute;top:0;left:0;width:100%;z-index:100;padding:0 48px;height:64px;display:flex;align-items:center;justify-content:space-between;transition:all .4s}
.hero .nav.scrolled{position:fixed;background:rgba(245,237,224,.95);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--border)}
.nav-logo{display:flex;align-items:center;gap:8px}
.nav-logo img{height:30px}
.nav-logo span{font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;font-size:15px;color:#fff;letter-spacing:3px;font-weight:600;transition:color .3s}
.nav.scrolled .nav-logo span{color:var(--ink)}
/* PC端：nav-menu在nav右侧区域显示 */
.nav-menu{display:flex;gap:32px;position:fixed;right:48px;top:0;height:64px;align-items:center;z-index:101}
.nav-menu a{font-size:12px;color:rgba(255,255,255,.7);letter-spacing:1px;transition:color .3s;padding-bottom:2px;white-space:nowrap}
.nav-menu a:hover{color:var(--cinnabar);border-bottom:1px solid var(--cinnabar)}
.nav-menu a.active{color:var(--cinnabar);border-bottom:1px solid var(--cinnabar)}
.nav.scrolled .nav-menu a{color:var(--ink)!important;opacity:1}
.nav.scrolled .nav-menu a:hover{color:var(--cinnabar)!important}
.nav-ham{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.nav-ham span{display:block;width:22px;height:1.5px;background:#fff;transition:all .3s}
.nav.scrolled .nav-ham span{background:var(--ink)}
.nav-ham.active span:nth-child(1){transform:rotate(45deg) translate(4px,4px)}
.nav-ham.active span:nth-child(2){opacity:0}
.nav-ham.active span:nth-child(3){transform:rotate(-45deg) translate(4px,-4px)}

/* 导航遮罩 */
.nav-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:99}
.nav-overlay.active{display:block}

.hero-content{position:relative;z-index:5;padding:140px 48px 120px;max-width:900px}
.hero-brand{font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;font-size:13px;color:var(--gold);letter-spacing:6px;margin-bottom:20px;opacity:0;transform:translateY(20px);transition:all .6s ease}
.hero-brand.show{opacity:1;transform:none}
.hero-title{font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;font-weight:700;line-height:1.2}
.hero-title .line1{display:block;font-size:clamp(22px,3.5vw,32px);color:var(--gold);letter-spacing:6px;margin-bottom:16px;margin-left:-4px;opacity:0;transform:translateY(20px);transition:all .6s ease .3s}
.hero-title .line2{display:block;font-size:clamp(36px,7vw,72px);color:#fff;letter-spacing:8px;text-shadow:0 4px 30px rgba(0,0,0,.3);margin-bottom:8px;margin-left:-8px;opacity:0;transform:translateY(20px);transition:all .6s ease .6s}
.hero-title .line3{display:block;font-size:clamp(18px,2.5vw,24px);color:rgba(255,255,255,.8);letter-spacing:10px;margin-left:-1px;opacity:0;transform:translateY(20px);transition:all .6s ease .9s}
.hero-title .show{opacity:1;transform:none}
.hero-tags{display:flex;gap:10px;margin-top:32px;flex-wrap:wrap;opacity:0;transform:translateY(10px);transition:all .6s ease 1.2s}
.hero-tags.show{opacity:1;transform:none}
.hero-tags span{font-size:11px;color:rgba(255,255,255,.6);letter-spacing:2px;padding:6px 16px;border:1px solid rgba(255,255,255,.15);backdrop-filter:blur(4px)}

.scroll-hint{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);z-index:5;display:flex;flex-direction:column;align-items:center;gap:10px;opacity:0;transition:opacity .6s ease 1.5s}
.scroll-hint.show{opacity:1}
.scroll-line{width:1px;height:40px;background:linear-gradient(to bottom,var(--gold),transparent)}
.scroll-text{font-size:10px;color:var(--ink-muted);letter-spacing:4px}

/* ===== ABOUT ===== */
.about{padding:100px 0;background:var(--paper)}
.about-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;align-items:center}
.about-visual{position:relative}
.about-visual .frame{position:relative;padding:12px}
.about-visual .frame::before{content:'';position:absolute;top:0;left:0;width:48px;height:48px;border-top:2px solid var(--cinnabar);border-left:2px solid var(--cinnabar);opacity:.35}
.about-visual .frame::after{content:'';position:absolute;bottom:0;right:0;width:48px;height:48px;border-bottom:2px solid var(--cinnabar);border-right:2px solid var(--cinnabar);opacity:.35}
.about-visual .frame img{width:100%;display:block;box-shadow:0 20px 60px rgba(0,0,0,.1)}
.about-badge{position:absolute;bottom:-16px;right:24px;background:var(--cinnabar);color:#fff;padding:12px 20px;text-align:center;font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;font-size:14px;letter-spacing:2px;line-height:1.4;box-shadow:0 8px 24px rgba(194,58,48,.25)}
.about-badge small{font-family:'Noto Sans SC',sans-serif;font-size:10px;opacity:.8;letter-spacing:1px}

.about-text .sec-label,.about-text .sec-title{text-align:left;margin-bottom:16px}
.about-text p{color:var(--ink-gray);line-height:2.2;margin-bottom:16px}
.about-highlight{margin-top:24px;padding:20px 24px;background:var(--paper-cool);border-left:3px solid var(--cinnabar);color:var(--ink-gray);font-size:14px;line-height:2}

/* ===== IP ===== */
.ip{padding:100px 0;background:linear-gradient(180deg,var(--paper) 0%,var(--paper-warm) 100%)}
.ip-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:48px}
.ip-block{padding:48px 36px;background:var(--paper-cool);border:1px solid var(--border);text-align:center;transition:all .4s}
.ip-block:hover{border-color:rgba(194,58,48,.15);box-shadow:0 12px 40px rgba(0,0,0,.06);transform:translateY(-4px)}
.ip-num{font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;font-size:64px;color:var(--cinnabar);opacity:.12;line-height:1;margin-bottom:16px}
.ip-block h3{font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;font-size:18px;letter-spacing:2px;margin-bottom:16px}
.ip-sep{width:32px;height:2px;background:var(--cinnabar);opacity:.4;margin:0 auto 16px}
.ip-block p{color:var(--ink-gray);font-size:13px;line-height:2;margin-bottom:20px}
.ip-tags{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.ip-tags span{font-size:10px;color:var(--ink-light);padding:3px 10px;border:1px solid var(--border)}
.ip-asset{margin-top:48px;text-align:center}
.ip-asset-inner{display:inline-block;padding:28px 40px;background:var(--paper-cool);border:1px solid var(--border)}
.ip-asset-inner p{font-size:14px;color:var(--ink-gray);letter-spacing:1px;line-height:2}
.ip-aicon{font-size:24px;color:var(--cinnabar);opacity:.3;margin-bottom:12px}

/* ===== EMPOWER ===== */
.empower{padding:100px 0;background:var(--paper)}
.empower-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.empower-card{background:var(--paper-cool);border:1px solid var(--border);overflow:hidden;transition:all .4s ease;display:flex;flex-direction:column}
.empower-card:hover{box-shadow:0 12px 40px rgba(0,0,0,.06);transform:translateY(-4px);border-color:rgba(194,58,48,.1)}
.empower-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--cinnabar),transparent);transform:scaleX(0);transition:transform .4s;z-index:2}
.empower-card:hover::before{transform:scaleX(1)}
.empower-img{height:180px;overflow:hidden;position:relative;flex-shrink:0}
.empower-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s ease}
.empower-card:hover .empower-img img{transform:scale(1.05)}
.empower-body{padding:32px 28px 36px;position:relative;flex:1}
.empower-num{font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;font-size:56px;font-weight:700;color:rgba(194,58,48,.08);line-height:1;position:absolute;bottom:12px;right:16px;pointer-events:none}
.empower-card h3{font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;font-size:17px;letter-spacing:2px;margin-bottom:12px}
.empower-card p{font-size:13px;color:var(--ink-gray);line-height:1.9}

/* ===== ECOSYSTEM ===== */
.ecosystem{padding:100px 0;background:linear-gradient(180deg,var(--paper-warm) 0%,var(--paper) 100%)}
.eco-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.eco-card{background:var(--paper-cool);border:1px solid var(--border);padding:32px 20px;text-align:center;transition:all .4s ease;position:relative;overflow:hidden}
.eco-card:hover{box-shadow:0 12px 40px rgba(0,0,0,.06);transform:translateY(-4px);border-color:rgba(194,58,48,.1)}
.eco-step{font-size:10px;color:var(--cinnabar);letter-spacing:2px;margin-bottom:12px;font-weight:500}
.eco-icon{width:80px;height:80px;margin:0 auto 14px;display:block;border-radius:50%;overflow:hidden;border:2px solid var(--border);transition:all .4s ease}.eco-icon img{width:100%;height:100%;object-fit:cover;display:block}.eco-card:hover .eco-icon{border-color:rgba(194,58,48,.2)}
.eco-card h3{font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;font-size:16px;letter-spacing:2px;margin-bottom:10px}
.eco-card p{font-size:12px;color:var(--ink-gray);line-height:1.9}

/* ===== BUSINESS ===== */
.business{padding:80px 0;background:var(--paper)}
.biz-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:48px;max-width:800px;margin-left:auto;margin-right:auto}
.biz-card{display:flex;align-items:center;gap:0;padding:28px 32px;background:var(--paper-cool);border:1px solid var(--border);transition:all .4s;overflow:hidden}
.biz-card:hover{border-color:rgba(194,58,48,.15);box-shadow:0 12px 40px rgba(0,0,0,.06);transform:translateY(-4px)}
.biz-num{font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;font-size:52px;color:var(--cinnabar);opacity:.3;line-height:1;text-align:center;border-right:1px solid var(--border);padding-right:28px;margin-right:28px;flex-shrink:0;width:80px}
.biz-body{display:flex;flex-direction:column;justify-content:center}
.biz-card h3{font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;font-size:17px;letter-spacing:2px;margin-bottom:6px;line-height:1.4}
.biz-card p{color:var(--ink-gray);font-size:13px;line-height:1.6;white-space:nowrap}

/* ===== VISION ===== */
.vision{padding:100px 0;background:linear-gradient(180deg,var(--paper-warm) 0%,#F5EDE0 100%);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.vision-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.vision-card{background:#fff;border:1px solid var(--border);padding:36px 28px;color:var(--ink);transition:all .4s}
.vision-card:hover{border-color:var(--gold);box-shadow:0 8px 32px rgba(201,169,97,.1)}
.vision-label{font-size:10px;color:var(--gold);letter-spacing:4px;margin-bottom:16px;font-weight:500}
.vision-card h3{font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;font-size:18px;letter-spacing:2px;margin-bottom:16px;line-height:1.4;color:var(--cinnabar-deep)}
.vision-card p{font-size:13px;color:var(--ink-gray);line-height:2.2;margin-bottom:4px}
.vision-sep{width:32px;height:1px;background:var(--gold);opacity:.4;margin:16px 0}
.vision-sep{width:32px;height:1px;background:var(--gold);opacity:.4;margin:16px 0}

/* ===== CONTACT ===== */
/* contact section removed */
.ci-item{display:flex;align-items:center;gap:16px;padding:14px 20px;background:var(--paper-cool);border:1px solid var(--border)}
.ci-label{font-size:12px;color:var(--cinnabar);letter-spacing:2px;min-width:80px;font-weight:500}
.ci-val{font-size:14px;color:var(--ink-gray)}
.contact-right{display:flex;gap:24px}
.qr-item{text-align:center;flex:1}
.qr-item img{width:100%;max-width:150px;aspect-ratio:1;object-fit:cover;border:1px solid var(--border);margin-bottom:8px}
.qr-item span{font-size:12px;color:var(--ink-light);letter-spacing:1px}

/* ===== FOOTER ===== */
.footer-main{padding:64px 0 32px;background:var(--ink)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.5fr;gap:40px;margin-bottom:40px}
.footer-col h4{font-size:12px;color:var(--gold);letter-spacing:2px;margin-bottom:16px;font-weight:500}
.footer-col a{display:block;font-size:13px;color:rgba(245,237,224,.4);line-height:2.4;transition:color .3s}
.footer-col a:hover{color:var(--gold)}
.footer-col p{font-size:12px;color:rgba(245,237,224,.4);line-height:2}
.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid rgba(245,237,224,.06)}
.footer-bottom span{font-size:11px;color:rgba(245,237,224,.3)}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
  .section-inner{padding:0 24px}
  .nav{padding:0 24px;overflow:visible}
  .subpage .nav{padding:0 24px}
  .nav-menu{position:fixed;top:0;right:0;width:280px;height:100vh;background:var(--paper);flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:0;padding:80px 32px 40px;box-shadow:-8px 0 40px rgba(0,0,0,.15);border-left:1px solid var(--border);z-index:101;overflow-y:auto;-webkit-overflow-scrolling:touch;transform:translateX(100%);transition:transform .35s ease;pointer-events:none}
  .nav-menu.active{transform:translateX(0);pointer-events:auto}
  .nav-menu a{font-size:16px;color:var(--ink-gray)!important;font-family:'ZCOOL XiaoWei','Noto Serif SC',serif;letter-spacing:3px;font-weight:500;padding:14px 0;width:100%;border-bottom:1px solid var(--border);transition:all .3s}
  .nav-menu a:last-child{border-bottom:none}
  .nav-menu a.active{color:var(--cinnabar)!important;border-bottom:1px solid var(--cinnabar)!important}
  .nav-menu a:hover{color:var(--cinnabar)!important}
  .nav-ham{display:flex;position:fixed;right:24px;top:20px;z-index:102}
  .hero-content{padding:120px 24px 80px}
  .hero-title .line2{font-size:36px;letter-spacing:4px;margin-left:-4px}
  .sec-header{margin-bottom:40px}
  .sec-title{font-size:26px}
  .about-grid,.empower-grid,.eco-grid{grid-template-columns:1fr;gap:20px}
  .empower-img{height:200px}
  .empower-body{padding:28px 24px 32px}
  .ip-grid{grid-template-columns:1fr;max-width:480px;margin:32px auto 0}
  .biz-grid{grid-template-columns:1fr;max-width:800px;margin:32px auto 0;gap:12px}
  .biz-card{padding:20px 24px}
  .biz-num{font-size:40px;padding-right:20px;margin-right:20px;width:64px}
  .biz-card h3{font-size:15px}
  .vision-grid{grid-template-columns:1fr;gap:16px}
  .about-visual{order:-1;max-width:300px;margin:0 auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-col p{word-break:break-all}


}