*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --teal:#0d7a6b;
  --teal-dark:#065f53;
  --teal-light:#e6f5f2;
  --teal-mid:#14a08a;
  --text:#1a2e2a;
  --text-secondary:#5a6e6a;
  --white:#ffffff;
  --bg:#f7faf9;
  --price-red:#c0392b;
  --shadow:0 4px 24px rgba(13,122,107,.08);
  --shadow-lg:0 12px 48px rgba(13,122,107,.12);
  --radius:16px;
  --max-width:1140px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body.nav-open{overflow:hidden;touch-action:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:var(--teal);transition:box-shadow .3s ease;padding-top:env(safe-area-inset-top,0)}
.site-header.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.15)}
.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 32px;height:64px;display:flex;align-items:center;justify-content:space-between;gap:12px;position:relative}
.nav-toggle{display:none;flex-shrink:0;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;padding:0;background:rgba(255,255,255,.12);border:none;border-radius:10px;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:background .2s}
.nav-toggle:hover,.nav-toggle:focus-visible{background:rgba(255,255,255,.22);outline:none}
.nav-toggle-bar{display:block;width:20px;height:2px;background:var(--white);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.site-header.menu-open .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header.menu-open .nav-toggle-bar:nth-child(2){opacity:0}
.site-header.menu-open .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.brand{display:flex;align-items:center;gap:14px}
.brand-logo{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0}
.brand-logo img{width:100%;height:100%;object-fit:contain}
.logo-fallback{display:none;width:100%;height:100%;align-items:center;justify-content:center;color:var(--white);font-size:22px;font-weight:300}
.brand-text{display:flex;flex-direction:column}
.brand-name{color:var(--white);font-size:17px;font-weight:600;letter-spacing:.5px}
.brand-tagline{color:rgba(255,255,255,.82);font-size:12px;margin-top:1px}
.header-nav{display:flex;gap:32px;align-items:center}
.header-nav a{color:rgba(255,255,255,.9);font-size:14px;transition:color .2s,background .2s;white-space:nowrap}
.header-nav a:hover{color:var(--white)}
.hero{position:relative;padding:140px 32px 100px;overflow:hidden;background:linear-gradient(160deg,var(--teal-dark) 0%,var(--teal) 50%,#0e8f7a 100%)}
.hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse 600px 400px at 80% 20%,rgba(255,255,255,.06) 0%,transparent 70%),radial-gradient(ellipse 500px 500px at 10% 80%,rgba(255,255,255,.04) 0%,transparent 70%);pointer-events:none}
.hero-inner{position:relative;max-width:var(--max-width);margin:0 auto}
.hero-label{display:inline-block;color:rgba(255,255,255,.75);font-size:14px;letter-spacing:2px;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.2)}
.hero-title{color:var(--white);font-size:clamp(32px,5vw,48px);font-weight:600;line-height:1.35;letter-spacing:1px;margin-bottom:24px}
.hero-desc{color:rgba(255,255,255,.85);font-size:17px;max-width:580px;line-height:1.8;margin-bottom:36px}
.hero-btn{display:inline-block;padding:14px 36px;background:var(--white);color:var(--teal);font-size:15px;font-weight:500;border-radius:8px;transition:transform .2s,box-shadow .2s}
.hero-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.15)}
main{padding:80px 32px 40px;max-width:var(--max-width);margin:0 auto}
.section-head{text-align:center;margin-bottom:56px}
.section-head h2{font-size:32px;font-weight:600;color:var(--text);margin-bottom:12px}
.section-head p{color:var(--text-secondary);font-size:16px}
.service-card{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;background:var(--white);border-radius:var(--radius);padding:48px;margin-bottom:40px;box-shadow:var(--shadow);transition:box-shadow .3s,transform .3s}
.service-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.service-card-reverse .service-content{order:2}
.service-card-reverse .service-visual{order:1}
.service-tag{display:inline-block;padding:4px 14px;border-radius:20px;font-size:12px;font-weight:500;margin-bottom:16px}
.tag-ai{background:var(--teal-light);color:var(--teal)}
.tag-manual{background:#eef4ff;color:#3b6ea5}
.service-title{font-size:clamp(24px,3vw,30px);font-weight:600;color:var(--teal-dark);line-height:1.4;margin-bottom:8px}
.service-subtitle{color:var(--text-secondary);font-size:14px;margin-bottom:12px}
.price-bar{display:flex;align-items:center;flex-wrap:wrap;gap:12px 16px;background:var(--teal-light);border-radius:12px;padding:16px 20px;margin-bottom:20px}
.price-main{color:var(--price-red);font-size:28px;font-weight:700}
.price-main small{font-size:14px;font-weight:400;color:var(--text-secondary)}
.price-alt{color:var(--text-secondary);font-size:13px;padding-left:16px;border-left:1px solid rgba(13,122,107,.15)}
.price-badge{background:var(--price-red);color:var(--white);font-size:12px;padding:4px 10px;border-radius:20px;margin-left:auto}
.service-intro{color:var(--text);font-size:14px;line-height:1.75;margin-bottom:20px}
.core-services{margin-bottom:20px}
.core-services h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:12px;padding-left:10px;border-left:3px solid var(--teal-mid)}
.core-grid{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.core-grid li{display:flex;flex-direction:column;align-items:center;text-align:center;padding:16px 10px;background:linear-gradient(180deg,var(--teal-light) 0%,#f3f8f7 100%);border:1px solid rgba(13,122,107,.1);border-radius:12px;font-size:13px;color:var(--text);line-height:1.55;font-weight:500;transition:border-color .2s,box-shadow .2s}
.core-grid li:hover{border-color:var(--teal-mid);box-shadow:0 4px 12px rgba(13,122,107,.1)}
.core-grid .core-num{display:block;font-size:20px;font-weight:700;color:var(--teal);margin-bottom:6px;line-height:1.2}
.service-meta{display:grid;grid-template-columns:1fr 1fr;gap:10px;background:#f3f8f7;border-radius:12px;padding:14px 16px;border:1px solid rgba(13,122,107,.08)}
.service-meta p{font-size:13px;color:var(--text-secondary);line-height:1.65;margin:0}
.service-meta strong{color:var(--teal);font-weight:600;margin-right:4px}
.service-visual{border-radius:12px;overflow:hidden;background:var(--teal-light);min-height:280px;display:flex;align-items:center;justify-content:center}
.service-visual img{width:100%;height:100%;object-fit:cover;border-radius:12px}
.about{padding:80px 32px;background:var(--white)}
.about-inner{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr;gap:64px;align-items:center}
.about-text h2{font-size:28px;font-weight:600;margin-bottom:12px}
.about-company{font-size:18px;color:var(--teal);font-weight:500;margin-bottom:20px}
.about-text p{color:var(--text-secondary);font-size:15px;margin-bottom:16px;line-height:1.85}
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.stat-item{text-align:center;padding:32px 16px;background:var(--bg);border-radius:var(--radius);border:1px solid rgba(13,122,107,.06)}
.stat-num{display:block;font-size:36px;font-weight:700;color:var(--teal);margin-bottom:8px}
.stat-label{font-size:13px;color:var(--text-secondary)}
.site-footer{background:var(--teal-dark);color:rgba(255,255,255,.85);padding:60px 32px env(safe-area-inset-bottom,0)}
.footer-inner{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;padding-bottom:40px}
.footer-logo{height:40px;width:auto;margin-bottom:16px;opacity:.9}
.footer-company{font-size:16px;font-weight:500;color:var(--white);margin-bottom:8px}
.footer-slogan{font-size:13px;color:rgba(255,255,255,.65)}
.footer-links h4,.footer-contact h4{color:var(--white);font-size:14px;font-weight:500;margin-bottom:16px}
.footer-links a{display:block;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:10px;transition:color .2s}
.footer-links a:hover{color:var(--white)}
.footer-contact{display:flex;align-items:flex-start;gap:28px}
.footer-contact-info{flex:1;min-width:0}
.footer-contact-info p{font-size:13px;color:rgba(255,255,255,.65);margin-bottom:8px;line-height:1.6}
.footer-mail{color:rgba(255,255,255,.75);transition:color .2s}
.footer-mail:hover{color:var(--white)}
.footer-qrcode{flex-shrink:0;text-align:center}
.footer-qrcode img{width:100px;height:100px;object-fit:contain;border-radius:10px;background:var(--white);padding:4px}
.footer-qrcode p{font-size:12px;color:rgba(255,255,255,.65);margin-top:8px;white-space:nowrap}
.footer-bottom{max-width:var(--max-width);margin:0 auto;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,.45)}
.header-nav a.active{color:var(--white);font-weight:600;border-bottom:2px solid rgba(255,255,255,.6);padding-bottom:2px}
.home-page{background:linear-gradient(180deg,var(--teal-light) 0%,var(--bg) 42%,var(--bg) 100%)}
.home-landing{min-height:calc(100vh - 64px);max-width:var(--max-width);margin:0 auto;padding:100px 32px 72px;display:flex;flex-direction:column;justify-content:center}
.home-intro{text-align:center;margin-bottom:48px}
.home-intro-label{display:inline-block;color:var(--teal);font-size:13px;letter-spacing:2px;margin-bottom:12px}
.home-intro-title{font-size:clamp(28px,4vw,36px);font-weight:600;color:var(--text);margin-bottom:10px;line-height:1.35}
.home-intro-desc{max-width:36em;margin:0 auto;color:var(--text-secondary);font-size:15px;line-height:1.85}
.footer-about{font-size:13px;color:rgba(255,255,255,.6);line-height:1.65;margin-top:10px;max-width:280px}
.home-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.home-card{display:flex;flex-direction:column;background:var(--white);border-radius:var(--radius);padding:36px 28px 32px;box-shadow:var(--shadow);transition:box-shadow .3s,transform .3s,border-color .3s;border:1px solid rgba(13,122,107,.08);min-height:280px}
.home-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px);border-color:rgba(13,122,107,.22)}
.home-card-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.home-card-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:52px;height:52px;border-radius:14px;background:var(--teal-light);font-size:26px;line-height:1}
.home-card-head .service-tag{margin-bottom:0;padding:3px 10px;font-size:11px;white-space:nowrap;flex-shrink:0}
.home-card h2{font-size:18px;font-weight:600;color:var(--teal-dark);line-height:1.5;margin:0 0 12px}
.home-card p{font-size:14px;color:var(--text-secondary);flex:1;line-height:1.75}
.home-card-link{display:inline-block;margin-top:24px;font-size:14px;color:var(--teal);font-weight:500}
.service-page{padding:88px 32px 48px;max-width:var(--max-width);margin:0 auto;min-height:calc(100vh - 200px)}
.service-detail{background:var(--white);border-radius:var(--radius);padding:32px 36px;box-shadow:var(--shadow)}
.service-detail .service-tag{margin-bottom:10px}
.service-detail .service-title{margin-bottom:6px;font-size:clamp(22px,2.8vw,28px)}
.service-showcase{margin-top:24px;background:var(--white);border-radius:var(--radius);padding:28px 36px;box-shadow:var(--shadow)}
.service-showcase h2{font-size:18px;font-weight:600;color:var(--teal-dark);margin-bottom:20px;text-align:center}
.showcase-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;max-width:720px;margin:0 auto}
.showcase-grid-single{grid-template-columns:1fr;max-width:360px}
.showcase-grid{align-items:stretch}
.showcase-grid figure{margin:0;text-align:center;display:flex;flex-direction:column;align-items:center;height:100%}
.showcase-grid img{width:100%;max-width:320px;aspect-ratio:9/16;object-fit:contain;object-position:center;background:var(--white);border-radius:16px;box-shadow:0 4px 20px rgba(13,122,107,.12)}
.showcase-grid figcaption{margin-top:12px;font-size:14px;color:var(--text-secondary);line-height:1.6}
.service-switcher{display:flex;align-items:center;flex-wrap:wrap;gap:10px 16px;margin-top:24px;padding:16px 20px;background:var(--white);border-radius:12px;border:1px solid rgba(13,122,107,.08)}
.switcher-label{font-size:14px;color:var(--text-secondary);margin-right:8px}
.service-switcher a{font-size:14px;color:var(--teal);padding:8px 18px;background:var(--teal-light);border-radius:8px;transition:background .2s,color .2s}
.service-switcher a:hover{background:var(--teal);color:var(--white)}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
@media(max-width:900px){
  .header-inner{padding:0 16px;height:56px}
  .nav-toggle{display:flex;margin-left:auto}
  .brand{min-width:0;flex:1}
  .brand-text{min-width:0}
  .brand-tagline{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .header-nav{position:fixed;top:calc(56px + env(safe-area-inset-top,0));left:0;right:0;bottom:0;flex-direction:column;align-items:stretch;gap:8px;padding:12px 16px 32px;background:rgba(6,95,83,.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;-webkit-overflow-scrolling:touch;z-index:99;display:flex!important}
  .site-header.menu-open .header-nav{transform:translateX(0)}
  .header-nav a{font-size:16px;padding:14px 18px;border-radius:10px;border-bottom:none;-webkit-tap-highlight-color:transparent}
  .header-nav a:active{background:rgba(255,255,255,.12)}
  .header-nav a.active{color:var(--white);font-weight:600;background:rgba(255,255,255,.15);border-bottom:none;padding-bottom:14px}
  .home-landing{padding:calc(72px + env(safe-area-inset-top,0)) 20px 48px;min-height:calc(100vh - 56px)}
  .home-intro{margin-bottom:32px}
  .home-intro-title{font-size:clamp(24px,6vw,32px)}
  .home-cards{grid-template-columns:1fr;max-width:480px;margin:0 auto;width:100%;gap:16px}
  .home-card{min-height:auto;padding:28px 22px 24px}
  .service-detail{padding:22px 18px}
  .core-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .core-grid li{padding:14px 8px;font-size:12px}
  .service-meta{grid-template-columns:1fr}
  .service-card,.service-card-reverse{grid-template-columns:1fr;gap:32px;padding:32px 24px}
  .service-card-reverse .service-content,.service-card-reverse .service-visual{order:unset}
  .about-inner{grid-template-columns:1fr;gap:40px}
  .site-footer{padding:40px 20px env(safe-area-inset-bottom,0)}
  .footer-inner{grid-template-columns:1fr;gap:20px;padding-bottom:28px}
  .footer-brand{text-align:center}
  .footer-about{max-width:none;margin-left:auto;margin-right:auto}
  .footer-brand .footer-logo{margin-left:auto;margin-right:auto}
  .footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px}
  .footer-links h4{width:100%;text-align:center;margin-bottom:8px}
  .footer-links a{display:inline;margin-bottom:0}
  .footer-links a:not(:last-child)::after{content:'·';margin-left:20px;color:rgba(255,255,255,.35);pointer-events:none}
  .footer-contact{flex-direction:row;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:16px 18px;background:rgba(0,0,0,.12);border-radius:12px}
  .footer-contact-info p{margin-bottom:6px}
  .footer-contact-info p:last-child{margin-bottom:0}
  .footer-qrcode p{white-space:normal;font-size:11px;margin-top:6px}
  .footer-qrcode img{width:80px;height:80px}
  .hero{padding:120px 24px 80px}
  main{padding:60px 24px 32px}
  .service-page{padding:calc(72px + env(safe-area-inset-top,0)) 16px 40px}
  .service-showcase{padding:22px 18px;margin-top:16px}
  .showcase-grid{grid-template-columns:1fr;gap:20px}
  .showcase-grid img{max-width:100%;width:min(100%,320px)}
  .service-switcher{flex-direction:column;align-items:stretch;gap:10px;padding:14px 16px}
  .switcher-label{margin-right:0;margin-bottom:2px}
  .service-switcher a{text-align:center;padding:12px 16px;font-size:15px}
  .section-head h2{font-size:26px}
  .price-main{font-size:24px}
}
@media(max-width:560px){
  .brand-tagline{display:none}
  .brand-name{font-size:16px}
  .brand-logo{width:36px;height:36px}
  .core-grid{grid-template-columns:1fr 1fr}
  .price-bar{flex-direction:column;align-items:flex-start;gap:8px;padding:14px 16px}
  .price-badge{margin-left:0}
  .price-alt{border-left:none;padding-left:0}
  .about-stats{grid-template-columns:1fr}
  .home-card h2{font-size:17px}
  .service-detail .service-title{font-size:22px}
  .site-footer{padding:32px 16px env(safe-area-inset-bottom,0)}
  .footer-inner{grid-template-columns:1fr;gap:20px;padding-bottom:24px}
  .footer-links{flex-direction:column;align-items:center;gap:6px}
  .footer-links h4,.footer-contact h4{margin-bottom:10px}
  .footer-links a{display:block}
  .footer-links a:not(:last-child)::after{content:none}
  .footer-contact{flex-direction:row;align-items:center;padding:14px}
  .footer-contact-info p{font-size:12px}
  .footer-qrcode img{width:72px;height:72px}
  .footer-bottom{padding:14px 12px calc(14px + env(safe-area-inset-bottom,0))}
}
@media(max-width:380px){
  .core-grid{grid-template-columns:1fr}
}