:root{--yellow:#ffd000;--ink:#282824;--muted:#81817e;--header-height:76px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-height)}
body{margin:0;font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;color:var(--ink);font-size:15px;line-height:1.7;letter-spacing:0;background:#fff}
button,a{-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
button:focus-visible,a:focus-visible{outline:3px solid #b38700;outline-offset:5px}
img{display:block;max-width:100%;object-fit:contain}
svg{width:24px;height:24px;stroke-width:1.8;flex-shrink:0}
h1,h2,h3,p{margin:0}
.container{width:calc(100% - 64px);max-width:1200px;margin:0 auto}
.header{height:var(--header-height);background:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid #eee}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between}
.brand img{height:46px;width:auto}
nav{display:flex;align-items:center;gap:30px}
nav a{font-size:14px;padding:8px 17px;border-radius:6px;transition:background .2s,color .2s}
nav a:hover{background:#f2f2ed}
nav a.active{background:var(--ink);color:var(--yellow)}
.icon-button{display:inline-flex;justify-content:center;align-items:center;width:42px;height:42px;flex-shrink:0;border:0;background:transparent;border-radius:6px}
.menu-button{display:none}
.hero{background:#141513;position:relative;overflow:hidden;border-bottom:10px solid var(--yellow);isolation:isolate}
.store-background{position:absolute;inset:0;z-index:-2;background:url("assets/store.jpg") center 57%/100% 100% no-repeat;opacity:.65}
.hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(15,15,13,.94) 0%,rgba(15,15,13,.83) 38%,rgba(15,15,13,.25) 80%,rgba(15,15,13,.4) 100%)}
.hero-inner{min-height:770px;display:flex;align-items:center;justify-content:space-between;position:relative;gap:40px;padding:70px 0 100px}
.hero-copy{position:relative;z-index:2;flex:1}
.eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--yellow);border:1px solid #675511;background:#3c3515;font-size:12px;font-weight:600;padding:2px 10px;border-radius:3px;letter-spacing:1px}
.eyebrow span{width:5px;height:5px;background:var(--yellow);border-radius:50%}
h1{font-size:56px;line-height:1.24;color:var(--yellow);margin:5px 0 28px;font-weight:800;white-space:nowrap}
h1>span{display:block;color:white}
.hero-subtitle{font-size:21px;font-weight:600;color:#c2c2be}
.hero-description{color:#aaa;font-size:17px;margin-top:1px}
.hotline{display:inline-flex;align-items:center;gap:8px;margin-top:120px;border-radius:40px;background:var(--yellow);color:#242418;font-size:21px;font-weight:600;min-height:58px;padding:10px 28px;transition:transform .2s,background .2s}
.hotline:hover{transform:translateY(-3px);background:#ffdc3d}
.hotline strong{font-size:25px}
.hotline svg{width:20px;margin-left:8px}
.hero-machine{width:380px;height:570px;object-fit:contain;filter:drop-shadow(22px 26px 16px #0005);flex-shrink:0}
.health-note{position:absolute;bottom:26px;left:0;font-size:11px;color:#93938c}
.section{padding:78px 0}
.section-heading{text-align:center;margin-bottom:46px}
.section-heading h2{font-size:27px;line-height:1.4;font-weight:700}
.section-heading>p{color:var(--muted);font-size:14px;margin-top:11px}
.features{background:#ededed}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.feature{background:#fff;border-radius:8px;padding:47px 29px 43px;text-align:center;min-height:257px}
.feature-icon{display:inline-flex;background:var(--yellow);border-radius:7px;width:48px;height:48px;align-items:center;justify-content:center;margin-bottom:18px}
.feature-icon svg{width:33px;height:33px}
h3{font-size:20px;line-height:1.5}
.feature p{font-size:15px;line-height:1.85;color:var(--muted);margin-top:12px}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;padding:0;margin:0;list-style:none}
.steps li{position:relative;background:var(--yellow);border-radius:8px;text-align:center;padding:37px 15px 35px;min-height:225px}
.step-number{position:absolute;top:16px;left:16px;border-radius:50%;width:27px;height:27px;line-height:27px;color:#cb9d00;background:#fff4bd;font-weight:700}
.step-icon{display:flex;width:64px;height:64px;align-items:center;justify-content:center;background:#292b26;color:var(--yellow);border-radius:7px;margin:0 auto 24px}
.step-icon svg{width:36px;height:36px;stroke-width:1.5}
.steps h3{font-size:19px}
.steps p{font-size:14px;color:#8d741a;margin-top:7px}
.step-next{position:absolute;right:-33px;top:78px;z-index:1;display:flex;align-items:center;justify-content:center;background:#fff;border-radius:50%;width:46px;height:62px;color:#dddcd3}
.step-next svg{width:34px;height:34px;stroke-width:3}
.models{background:#050403 url("assets/models-bg.jpg") center/100% 100% no-repeat;padding-bottom:80px}
.models .section-heading h2{color:#fff}
.models .section-heading p{color:#a4a19a}
.model-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;max-width:860px;margin:auto}
.model{border-radius:8px;overflow:hidden;background:white}
.model-visual{position:relative;display:flex;align-items:center;justify-content:center;height:318px;background:linear-gradient(#454545,#202020);padding:48px 35px 25px}
.model-badge{position:absolute;top:16px;left:16px;background:var(--yellow);font-size:12px;line-height:25px;font-weight:700;border-radius:3px;padding:0 10px}
.model-visual img{height:238px;width:auto;mix-blend-mode:lighten}
.model-info{padding:24px 28px;display:flex;justify-content:space-between;align-items:center}
.model-info ul{list-style:none;padding:0;margin:9px 0 0;color:#81817e;font-size:15px;line-height:1.85}
.model-info li:before{content:"";display:inline-block;width:4px;height:4px;margin:0 10px 3px 0;background:var(--yellow);border-radius:50%}
.model-consult{border:1px solid #eee;background:#fafaf8;transition:background .2s}
.model-consult:hover{background:var(--yellow);border-color:var(--yellow)}
.about{padding-top:80px}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:stretch}
.about-copy{color:#7d7d79;font-size:15px;line-height:1.95}
.about-copy h3{font-size:19px;color:#454541;margin:20px 0 7px;line-height:1.2;border-left:3px solid var(--yellow);padding-left:10px}
.company-image{width:100%;height:100%;min-height:440px;max-height:500px;object-fit:cover;border-radius:8px}
.contact-strip{margin-top:65px;display:flex;align-items:center;gap:42px;background:var(--yellow);border-left:8px solid var(--ink);border-radius:8px;min-height:73px;padding:16px 26px;font-size:14px}
.contact-strip a{white-space:nowrap}
.contact-strip a strong{font-size:21px}
.contact-strip>span{white-space:nowrap}
.contact-strip>p{margin-left:auto;font-size:13px}
footer{background:#272723;color:#ccc;text-align:center;padding:60px 0 36px}
.footer-inner>a{display:inline-block}
.footer-inner img{border-radius:8px;width:76px;height:79px}
.footer-brand{font-size:19px;font-weight:600;margin-top:16px}
.footer-tagline{font-size:13px;color:#888880;margin-top:6px}
.footer-legal{border-top:1px solid #3c3c35;padding-top:26px;margin-top:35px;color:#77776e;font-size:12px;line-height:2}
.back-top{position:fixed;bottom:24px;right:24px;background:var(--yellow);box-shadow:0 3px 18px #0002;z-index:15;opacity:0;visibility:hidden;transform:translateY(12px);transition:.2s}
.back-top.visible{opacity:1;visibility:visible;transform:none}
dialog{border:0;border-radius:8px;padding:40px 32px 25px;width:400px;max-width:calc(100% - 32px);text-align:center;color:var(--ink);box-shadow:0 25px 80px #0004}
dialog::backdrop{background:#0009;backdrop-filter:blur(4px)}
.dialog-close{position:absolute;top:8px;right:8px}
.dialog-icon{display:flex;align-items:center;justify-content:center;width:56px;height:56px;background:var(--yellow);border-radius:8px;margin:0 auto 16px}
dialog h2{font-size:24px}
#dialog-description{font-size:14px;color:#777;margin:10px 0 22px}
.dialog-phone{display:flex;align-items:center;justify-content:center;gap:12px;background:var(--yellow);font-size:24px;font-weight:700;border-radius:6px;padding:12px}
.copy-phone{border:1px solid #ddd;border-radius:6px;background:#fff;display:flex;align-items:center;justify-content:center;gap:8px;width:100%;margin-top:12px;padding:9px}
.copy-phone svg{width:17px;height:17px}
.copy-status{font-size:12px;color:#6b6b62;min-height:22px;margin-top:10px}
body.modal-open{overflow:hidden}
@media(min-width:1600px){.hero-inner{min-height:770px}}
@media(max-width:1300px){
  .container{max-width:1050px}.hero-inner{min-height:650px;gap:20px}
  h1{font-size:46px}.hero-machine{width:325px;height:490px}
  .hero-subtitle{font-size:19px}.hotline{margin-top:90px}
  .section{padding:65px 0}.about-grid{gap:40px}.contact-strip{gap:24px}
  .contact-strip>p{font-size:12px}.steps h3{font-size:17px}
}
@media(max-width:1000px){
  h1{font-size:37px}.hero-machine{width:280px;height:440px}
  .hero-inner{min-height:590px}.hero-subtitle{font-size:16px}.hero-description{font-size:14px}
  .hotline{font-size:16px;padding:10px 20px;margin-top:65px}.hotline strong{font-size:20px}.hotline svg{display:none}
  nav{gap:8px}nav a{padding:7px 12px}.feature{padding:32px 20px}.feature p{font-size:13px}
  .steps{gap:16px}.steps li{padding:34px 10px 25px}.steps p{font-size:12px}
  .step-next{right:-29px;width:42px}.about-grid{gap:28px}.about-copy{font-size:13px}
  .contact-strip{flex-wrap:wrap;gap:8px 25px}.contact-strip>p{width:100%;margin:0}
  .model-grid{max-width:760px}
}
@media(max-width:700px){
  :root{--header-height:64px}.container{width:calc(100% - 40px)}
  .brand img{height:39px}.menu-button{display:flex}
  nav{position:absolute;left:0;right:0;top:64px;background:#fff;box-shadow:0 12px 18px #0001;padding:12px 20px 20px;display:none;flex-direction:column;align-items:stretch;gap:5px}
  nav.open{display:flex}nav a{padding:10px 16px;font-size:15px}
  .hero{border-bottom-width:6px}.hero-inner{min-height:0;padding:44px 0 54px;display:grid;grid-template-columns:1fr;gap:28px}
  h1{font-size:34px;white-space:normal;margin:8px 0 20px;line-height:1.3}
  .hero-subtitle{font-size:15px}.hero-description{font-size:14px}
  .eyebrow{font-size:11px}.hotline{margin-top:28px;min-height:48px;font-size:15px}.hotline strong{font-size:21px}
  .hero-machine{width:228px;height:340px;justify-self:center}
  .store-background{background-size:auto 100%;opacity:.45}.hero:after{background:linear-gradient(180deg,#121310e8,#12131066)}
  .health-note{bottom:15px;font-size:10px}.section{padding:48px 0}
  .section-heading{margin-bottom:28px}.section-heading h2{font-size:24px}
  .section-heading>p{font-size:12px;max-width:290px;margin:9px auto 0}
  .feature-grid{grid-template-columns:1fr;gap:14px}
  .feature{min-height:0;padding:25px 24px;display:grid;grid-template-columns:48px 1fr;text-align:left;column-gap:18px}
  .feature-icon{grid-row:span 2;margin:3px 0 0}.feature h3{font-size:18px}.feature p{margin-top:5px;font-size:13px}.desktop-break{display:none}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .steps li{min-height:196px;padding:34px 12px 22px}.step-icon{width:52px;height:52px;margin-bottom:18px}.step-icon svg{width:30px;height:30px}
  .steps h3{font-size:16px}.steps p{font-size:12px}.step-number{width:22px;height:22px;line-height:22px;top:10px;left:10px;font-size:12px}
  .step-next{top:74px;right:-24px;width:32px;height:44px}.step-next svg{width:25px;height:25px}.steps li:nth-child(2) .step-next{display:none}
  .model-grid{gap:16px}.model-visual{height:218px;padding:42px 12px 16px}.model-visual img{height:160px;max-width:100%;object-fit:contain}
  .model-badge{left:10px;top:10px;font-size:10px;padding:0 7px;line-height:21px}
  .model-info{padding:16px 12px;position:relative;align-items:flex-start;gap:2px}.model-info h3{font-size:17px}.model-info ul{font-size:12px}
  .model-info li:before{margin-right:6px}.model-consult{width:27px;height:27px;background:transparent;border:0}.model-consult svg{width:20px;height:20px}
  .about-grid{grid-template-columns:1fr;gap:25px}.about-copy{font-size:14px;line-height:1.9}.about-copy h3{font-size:18px}
  .company-image{min-height:0;height:auto;max-height:360px;aspect-ratio:1.3;object-fit:cover}
  .contact-strip{margin-top:32px;padding:16px;gap:7px 18px;border-left-width:5px;font-size:12px}.contact-strip a strong{font-size:20px}.contact-strip>p{font-size:11px}
  footer{padding:38px 0 25px}.footer-brand{font-size:17px}.footer-inner img{width:62px;height:65px}.footer-legal{font-size:10px;margin-top:26px}
  .back-top{bottom:16px;right:14px;width:38px;height:38px}
}
@media(max-width:360px){h1{font-size:29px}.container{width:calc(100% - 32px)}.hero-subtitle{font-size:13px}.model-grid{gap:10px}.model-info{padding:14px 9px}.steps h3{font-size:14px}.model-info h3{font-size:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}