:root{--green-900:#0d2b1f;--green-800:#1a3d2c;--green-50:#f0f9f4;--ivory:#faf8f3;--text-dark:#0d2b1f;--text-mid:#3d5a47;--text-muted:#7a9485;--font-display:'Playfair Display',Georgia,serif;--font-body:'DM Sans',system-ui,sans-serif;}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
body{font-family:var(--font-body);background:var(--ivory);color:var(--text-dark);line-height:1.7;}
.navbar{background:var(--green-900);padding:0 24px;}
.navbar-inner{max-width:900px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:64px;}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;}
.logo-icon{width:32px;height:32px;border-radius:7px;background:rgba(255,255,255,0.1);display:flex;align-items:center;justify-content:center;}
.logo-icon svg{width:16px;height:16px;}
.logo-text{font-family:var(--font-display);font-size:1rem;font-weight:700;color:#fff;}
.logo-text span{color:#d4a843;}
.nav-back{font-size:0.83rem;color:rgba(255,255,255,0.6);text-decoration:none;}
.page{max-width:900px;margin:0 auto;padding:48px 24px 80px;}
h1{font-family:var(--font-display);font-size:2rem;color:var(--green-900);margin-bottom:8px;}
.updated{font-size:0.82rem;color:var(--text-muted);margin-bottom:36px;}
h2{font-family:var(--font-display);font-size:1.2rem;color:var(--green-900);margin:28px 0 10px;}
p{font-size:0.92rem;color:var(--text-mid);margin-bottom:14px;}
ul{font-size:0.92rem;color:var(--text-mid);margin:0 0 14px 20px;}
li{margin-bottom:6px;}

.lang-switch{font-size:0.78rem;font-weight:600;color:var(--text-mid);text-decoration:none;padding:5px 12px;border:1.5px solid var(--green-200);border-radius:20px;transition:all 0.15s;white-space:nowrap;}
.lang-switch:hover{background:var(--green-800);color:#fff;border-color:var(--green-800);}

.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{font-size:0.88rem;font-weight:500;color:var(--text-mid);text-decoration:none;padding:8px 14px;border-radius:var(--radius-sm);transition:color 0.15s,background 0.15s;}
.nav-links a:hover{color:var(--green-800);background:var(--green-50);}
.nav-links a.active{color:var(--green-800);font-weight:600;}
.nav-cta{background:var(--green-800);color:var(--ivory)!important;padding:8px 18px!important;border-radius:var(--radius-sm)!important;}
.nav-cta:hover{background:var(--green-700)!important;}
.lang-switch{font-size:0.78rem;font-weight:600;color:var(--text-mid);text-decoration:none;padding:5px 12px;border:1.5px solid var(--green-200);border-radius:20px;transition:all 0.15s;}
.lang-switch:hover{background:var(--green-800);color:#fff;border-color:var(--green-800);}

/* ═══ MOBILE OPTIMIZATIONS ═══ */
/* 汉堡菜单按钮 */
.nav-hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;background:none;border:none;cursor:pointer;padding:4px;flex-shrink:0;}
.nav-hamburger span{display:block;height:2px;width:24px;background:var(--green-800);border-radius:2px;transition:all 0.25s;}
.nav-hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-hamburger.open span:nth-child(2){opacity:0;}
.nav-hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
/* 移动端抽屉菜单 */
.nav-drawer{display:none;position:fixed;top:64px;left:0;right:0;background:var(--ivory);border-bottom:1px solid var(--green-100);padding:12px 16px 20px;z-index:99;box-shadow:0 4px 24px rgba(13,43,31,0.12);}
.nav-drawer.open{display:flex;flex-direction:column;gap:2px;}
.nav-drawer a{font-size:0.95rem;font-weight:500;color:var(--text-mid);text-decoration:none;padding:11px 14px;border-radius:var(--radius-sm);transition:background 0.15s;}
.nav-drawer a:hover{background:var(--green-50);color:var(--green-800);}
.nav-drawer .nav-cta{background:var(--green-800);color:var(--ivory)!important;text-align:center;margin-top:6px;}
.nav-drawer .lang-switch{align-self:flex-start;margin-top:6px;}

@media(max-width:900px){
  .nav-links{display:none!important;}
  .nav-hamburger{display:flex;}
}
@media(max-width:600px){
  /* 基础间距 */
  .container{padding:0 16px;}
  h1{font-size:clamp(1.7rem,7vw,2.4rem)!important;}
  h2{font-size:clamp(1.4rem,5vw,2rem)!important;}
  /* Hero */
  .hero-content{padding:48px 16px 40px!important;}
  .hero-lead{font-size:1rem!important;}
  .hero-actions{flex-direction:column;gap:10px;}
  .hero-actions a{width:100%;text-align:center;justify-content:center;}
  /* Service cards */
  .services-grid{max-width:100%!important;}
  .service-card{padding:24px 20px;}
  /* Stats */
  .stats-grid{grid-template-columns:1fr 1fr!important;gap:16px;}
  .stat-num{font-size:2rem!important;}
  /* Steps */
  .full-steps{grid-template-columns:repeat(2,1fr)!important;gap:8px;}
  .full-step-card{padding:14px 10px;}
  /* Why grid */
  .why-grid{grid-template-columns:1fr!important;}
  /* Trust bar */
  .trust-bar-inner{flex-direction:column;align-items:flex-start;gap:12px!important;padding:16px 0;}
  /* CTA */
  .cta-actions{flex-direction:column;}
  .cta-actions a{width:100%;text-align:center;}
  /* Article layout */
  .article-layout{grid-template-columns:1fr!important;gap:32px!important;}
  .sidebar{position:static!important;}
  /* FAQ */
  .faq-categories,.cat-tabs,.cat-btns{gap:6px!important;}
  .faq-cat-btn,.cat-btn,.cb{font-size:0.78rem!important;padding:6px 12px!important;}
  /* Order/form */
  .order-layout,.contact-layout{grid-template-columns:1fr!important;}
  .order-card{position:static!important;}
  .form-row{margin-bottom:12px;}
  /* Footer */
  .footer-inner{grid-template-columns:1fr!important;}
  .footer-bottom{flex-direction:column;gap:10px;text-align:center;}
  .footer-legal{flex-wrap:wrap;justify-content:center;gap:12px;}
  /* Blog grid */
  .blog-grid{grid-template-columns:1fr!important;}
  /* Related grid */
  .related-grid{grid-template-columns:1fr!important;}
  /* Step list */
  .how-steps{grid-template-columns:1fr!important;}
  /* Tables scroll */
  .info-table,.fees-table,table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;}
  /* Buttons full width on mobile */
  .btn-primary,.btn-outline,.btn-gold,.btn-p,.bp{width:100%;justify-content:center;text-align:center;}
  /* Page hero */
  .page-hero,.hero,.article-hero{padding:40px 16px 48px!important;}
  .page-hero h1,.article-hero h1{font-size:clamp(1.6rem,6vw,2.2rem)!important;}
  /* Progress bar */
  .progress-inner{gap:0;}
  .prog-step{padding:10px 8px!important;font-size:0.7rem!important;}
  /* CTA card in sidebar */
  .cta-card{padding:20px;}
  /* Section spacing */
  .section,.sec,.blog-section{padding:40px 0 56px!important;}
}