/* ============================================
   Aurora Template — 极光青绿亮色风格 (Aurora Teal Light)
   Colors: Teal #0D9488 + Fresh Green CTA #16A34A + Light BG #F0FDFA
   Font: Poppins headings + Open Sans body (system fallback)
   CSS Prefix: aur
   WCAG AA: text #134E4A on bg #F0FDFA = 12.6:1 ✓ | #0D9488 on #fff = 4.8:1 ✓
   ============================================ */
:root{--aur-primary:#0D9488;--aur-primary-light:#14B8A6;--aur-primary-dark:#0F766E;--aur-cta:#16A34A;--aur-cta-hover:#15803D;--aur-cta-disabled:#BBF7D0;--aur-bg:#F0FDFA;--aur-bg2:#fff;--aur-bg3:#F8FEFC;--aur-card:#fff;--aur-text:#134E4A;--aur-text-sec:#475569;--aur-text-muted:#64748B;--aur-border:#CCFBF1;--aur-border-h:#5EEAD4;--aur-border-strong:#0D9488;--aur-radius:14px;--aur-radius-sm:10px;--aur-shadow:0 2px 12px rgba(13,148,136,.06);--aur-shadow-lg:0 8px 30px rgba(13,148,136,.1);--aur-font-heading:"Poppins","Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--aur-font-body:"Open Sans","Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--aur-transition:all .3s ease}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
body{font-family:var(--aur-font-body);font-size:16px;line-height:1.7;color:var(--aur-text);background:var(--aur-bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:var(--aur-transition)}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
h1,h2,h3,h4{font-family:var(--aur-font-heading);font-weight:600;line-height:1.3;color:var(--aur-text)}
.aur-container{max-width:1200px;margin:0 auto;padding:0 24px}
.aur-nav{position:fixed;top:16px;left:16px;right:16px;z-index:1000;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border:1px solid var(--aur-border);border-radius:var(--aur-radius);transition:var(--aur-transition);box-shadow:var(--aur-shadow)}
.aur-nav.scrolled{background:rgba(255,255,255,.98);box-shadow:var(--aur-shadow-lg)}
.aur-logo{display:flex;align-items:center;gap:10px;font-family:var(--aur-font-heading);font-weight:600;font-size:1.15rem;color:var(--aur-text)}
.aur-logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--aur-primary),var(--aur-primary-light));border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}
.aur-logo-icon svg{width:20px;height:20px}
.aur-nav-links{display:flex;gap:28px}
.aur-nav-links a{font-size:.9rem;font-weight:500;color:var(--aur-text-sec)}
.aur-nav-links a:hover{color:var(--aur-primary)}
.aur-nav-cta{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;background:var(--aur-cta);color:#fff;border-radius:var(--aur-radius-sm);font-size:.86rem;font-weight:600;cursor:pointer}
.aur-nav-cta:hover{background:var(--aur-cta-hover);box-shadow:0 4px 14px rgba(22,163,74,.3)}
.aur-nav-cta:disabled{background:var(--aur-cta-disabled);cursor:not-allowed}
.aur-mobile-btn{display:none;background:none;border:none;cursor:pointer;color:var(--aur-primary);padding:4px}
.aur-hero{position:relative;padding:140px 0 80px;text-align:center;overflow:hidden;background:linear-gradient(180deg,#F0FDFA 0%,#fff 100%)}
.aur-hero-bg-wrap{position:absolute;inset:0;z-index:0}
.aur-hero-bg-img{width:100%;height:100%;object-fit:cover;object-position:center}
.aur-hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(240,253,250,.95) 0%,rgba(240,253,250,.88) 50%,rgba(240,253,250,.97) 100%)}
.aur-hero::before{content:'';position:absolute;top:-200px;left:50%;transform:translateX(-50%);width:800px;height:600px;background:radial-gradient(ellipse,rgba(13,148,136,.08) 0%,transparent 70%);border-radius:50%}
.aur-hero-inner{position:relative;z-index:1;max-width:720px;margin:0 auto}
.aur-hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 18px;background:rgba(13,148,136,.08);border:1px solid var(--aur-border-h);border-radius:24px;font-size:.8rem;font-weight:600;color:var(--aur-primary-dark);margin-bottom:24px}
.aur-hero-badge .aur-dot{width:7px;height:7px;background:var(--aur-primary);border-radius:50%;animation:aur-pulse 2s infinite}
@keyframes aur-pulse{0%,100%{opacity:1}50%{opacity:.4}}
.aur-hero h1{font-size:2.8rem;margin-bottom:20px}
.aur-hero h1 .aur-accent{color:var(--aur-primary)}
.aur-hero-desc{font-size:1.05rem;color:var(--aur-text-sec);margin-bottom:32px;max-width:580px;margin-left:auto;margin-right:auto;line-height:1.85}
.aur-hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}
.aur-btn-cta{display:inline-flex;align-items:center;gap:8px;padding:15px 36px;background:var(--aur-cta);color:#fff;border-radius:var(--aur-radius-sm);font-weight:600;font-size:.95rem;cursor:pointer;border:none;transition:var(--aur-transition)}
.aur-btn-cta:hover{background:var(--aur-cta-hover);transform:translateY(-2px);box-shadow:0 8px 24px rgba(22,163,74,.3)}
.aur-btn-cta:disabled{background:var(--aur-cta-disabled);cursor:not-allowed;transform:none}
.aur-btn-ghost{display:inline-flex;align-items:center;gap:8px;padding:15px 32px;background:#fff;color:var(--aur-text);border:1px solid var(--aur-border-strong);border-radius:var(--aur-radius-sm);font-weight:500;font-size:.95rem;cursor:pointer}
.aur-btn-ghost:hover{background:var(--aur-primary);color:#fff;border-color:var(--aur-primary)}
.aur-btn-ghost:disabled{opacity:.5;cursor:not-allowed}
.aur-hero-nums{display:flex;align-items:center;justify-content:center;gap:36px}
.aur-hn-v{display:block;font-size:1.7rem;font-weight:700;color:var(--aur-primary);font-family:var(--aur-font-heading)}
.aur-hn-l{font-size:.76rem;color:var(--aur-text-muted)}
.aur-hn-sep{width:1px;height:36px;background:var(--aur-border)}
.aur-trust{padding:22px 0;background:var(--aur-bg2);border-bottom:1px solid var(--aur-border)}
.aur-trust-inner{display:flex;justify-content:center;gap:38px;flex-wrap:wrap}
.aur-trust-item{display:flex;align-items:center;gap:8px;font-size:.84rem;font-weight:500;color:var(--aur-text-sec)}
.aur-trust-item svg{color:var(--aur-primary);flex-shrink:0}
.aur-section{padding:90px 0}
.aur-section-alt{background:var(--aur-bg2)}
.aur-sec-header{text-align:center;margin-bottom:54px}
.aur-sec-tag{display:inline-block;padding:5px 16px;background:rgba(13,148,136,.08);color:var(--aur-primary-dark);border:1px solid var(--aur-border);border-radius:20px;font-size:.76rem;font-weight:600;letter-spacing:1px;text-transform:uppercase;margin-bottom:14px}
.aur-sec-header h2{font-size:2.1rem;margin-bottom:12px}
.aur-sec-header h2 .aur-h-accent{color:var(--aur-primary)}
.aur-sec-header p{font-size:.92rem;color:var(--aur-text-sec);max-width:560px;margin:0 auto}
.aur-feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.aur-feat-card{padding:30px 26px;background:var(--aur-card);border:1px solid var(--aur-border);border-radius:var(--aur-radius);transition:var(--aur-transition);cursor:pointer}
.aur-feat-card:hover{transform:translateY(-4px);box-shadow:var(--aur-shadow-lg);border-color:var(--aur-border-h)}
.aur-feat-card:active{transform:translateY(-1px)}
.aur-feat-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(13,148,136,.08),rgba(20,184,166,.04));border:1px solid var(--aur-border);border-radius:12px;margin-bottom:18px}
.aur-feat-icon svg{width:24px;height:24px;stroke:var(--aur-primary)}
.aur-feat-card h3{font-size:1.05rem;margin-bottom:10px}
.aur-feat-card p{font-size:.86rem;color:var(--aur-text-sec);line-height:1.75}
.aur-svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.aur-svc-card{display:flex;flex-direction:column;background:var(--aur-card);border:1px solid var(--aur-border);border-radius:var(--aur-radius);overflow:hidden;transition:var(--aur-transition);cursor:pointer}
.aur-svc-card:hover{transform:translateY(-3px);box-shadow:var(--aur-shadow-lg);border-color:var(--aur-border-h)}
.aur-svc-img{height:190px;overflow:hidden}
.aur-svc-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.aur-svc-card:hover .aur-svc-img img{transform:scale(1.04)}
.aur-svc-body{padding:24px 26px}
.aur-svc-body h3{font-size:1.05rem;margin-bottom:10px}
.aur-svc-body p{font-size:.86rem;color:var(--aur-text-sec);line-height:1.75;margin-bottom:14px}
.aur-svc-link{color:var(--aur-primary);font-size:.84rem;font-weight:600;display:inline-flex;align-items:center;gap:4px;transition:var(--aur-transition)}
.aur-svc-link:hover{gap:8px;color:var(--aur-primary-dark)}
.aur-about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.aur-about-img{position:relative;border-radius:var(--aur-radius);overflow:hidden;border:1px solid var(--aur-border);box-shadow:var(--aur-shadow)}
.aur-about-img img{width:100%;height:400px;object-fit:cover}
.aur-about-float{position:absolute;bottom:-16px;right:-16px;background:var(--aur-primary);color:#fff;border-radius:var(--aur-radius-sm);padding:16px 22px;text-align:center;box-shadow:0 8px 24px rgba(13,148,136,.3)}
.aur-about-float .aur-af-num{font-size:1.5rem;font-weight:700;display:block;font-family:var(--aur-font-heading)}
.aur-about-float .aur-af-label{font-size:.72rem;opacity:.85}
.aur-about-text .aur-sec-tag{margin-bottom:12px}
.aur-about-text h2{font-size:1.85rem;margin-bottom:16px}
.aur-about-text p{color:var(--aur-text-sec);margin-bottom:14px;font-size:.9rem;line-height:1.85}
.aur-link{display:inline-flex;align-items:center;gap:6px;color:var(--aur-primary);font-weight:600;font-size:.9rem}
.aur-link:hover{gap:10px;color:var(--aur-primary-dark)}
.aur-steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.aur-step-card{text-align:center;padding:32px 18px;background:var(--aur-card);border:1px solid var(--aur-border);border-radius:var(--aur-radius);transition:var(--aur-transition)}
.aur-step-card:hover{transform:translateY(-4px);box-shadow:var(--aur-shadow);border-color:var(--aur-border-h)}
.aur-step-num{font-size:2.4rem;font-weight:700;color:var(--aur-primary);opacity:.2;margin-bottom:10px;font-family:var(--aur-font-heading)}
.aur-step-card h3{font-size:.98rem;margin-bottom:8px}
.aur-step-card p{font-size:.82rem;color:var(--aur-text-muted)}
.aur-testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.aur-testi-card{padding:28px 24px;background:var(--aur-card);border:1px solid var(--aur-border);border-radius:var(--aur-radius);transition:var(--aur-transition)}
.aur-testi-card:hover{transform:translateY(-3px);box-shadow:var(--aur-shadow)}
.aur-testi-stars{color:var(--aur-cta);font-size:.86rem;margin-bottom:14px;letter-spacing:2px}
.aur-testi-card>p{font-size:.86rem;color:var(--aur-text-sec);line-height:1.8;margin-bottom:18px}
.aur-testi-author{display:flex;align-items:center;gap:10px}
.aur-ta-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--aur-primary),var(--aur-primary-light));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.82rem}
.aur-testi-author strong{font-size:.84rem;display:block;color:var(--aur-text)}
.aur-testi-author span{font-size:.74rem;color:var(--aur-text-muted)}
.aur-faq-layout{display:grid;grid-template-columns:1fr 2fr;gap:60px}
.aur-faq-side{position:sticky;top:100px;align-self:start}
.aur-faq-side .aur-sec-tag{margin-bottom:12px}
.aur-faq-side h2{font-size:1.7rem;margin-bottom:14px}
.aur-faq-side p{font-size:.86rem;color:var(--aur-text-sec);line-height:1.8}
.aur-faq-main{display:flex;flex-direction:column;gap:10px}
.aur-faq-item{background:var(--aur-card);border:1px solid var(--aur-border);border-radius:var(--aur-radius-sm);overflow:hidden;transition:border-color .2s}
.aur-faq-item:hover{border-color:var(--aur-border-h)}
.aur-faq-item.active{border-color:var(--aur-primary)}
.aur-faq-q{display:flex;align-items:center;justify-content:space-between;padding:16px 22px;cursor:pointer;font-weight:500;font-size:.9rem;color:var(--aur-text)}
.aur-faq-q svg{flex-shrink:0;stroke:var(--aur-primary);transition:transform .3s}
.aur-faq-item.active .aur-faq-q svg{transform:rotate(180deg)}
.aur-faq-a{padding:0 22px;max-height:0;overflow:hidden;transition:max-height .3s,padding .3s;font-size:.86rem;color:var(--aur-text-sec);line-height:1.8}
.aur-faq-item.active .aur-faq-a{padding:0 22px 16px;max-height:240px}
.aur-recommend{padding:70px 0}
.aur-recommend-grid{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.aur-recommend-grid a{display:inline-block;padding:9px 18px;background:var(--aur-card);border:1px solid var(--aur-border);border-radius:var(--aur-radius-sm);font-size:.84rem;color:var(--aur-text-sec);transition:var(--aur-transition);cursor:pointer}
.aur-recommend-grid a:hover{color:var(--aur-primary);border-color:var(--aur-primary);transform:translateY(-2px)}
.aur-cta-sec{padding:80px 0;background:linear-gradient(135deg,var(--aur-primary),var(--aur-primary-dark))}
.aur-cta-box{text-align:center;max-width:620px;margin:0 auto;padding:60px 40px}
.aur-cta-box h2{font-size:1.9rem;margin-bottom:12px;color:#fff}
.aur-cta-box p{font-size:.92rem;color:rgba(255,255,255,.8);margin-bottom:30px}
.aur-footer{padding:52px 0 0;background:#0F766E;color:rgba(255,255,255,.7)}
.aur-footer-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.aur-footer-desc{font-size:.82rem;color:rgba(255,255,255,.5);margin-top:14px;line-height:1.8;max-width:400px}
.aur-footer-nav h4{color:#fff;font-size:.88rem;margin-bottom:16px;font-family:var(--aur-font-heading)}
.aur-footer-nav li{margin-bottom:9px}
.aur-footer-nav a{font-size:.82rem;color:rgba(255,255,255,.5)}
.aur-footer-nav a:hover{color:rgba(255,255,255,.9)}
.aur-footer-bottom{padding:22px 0;text-align:center;font-size:.76rem;color:rgba(255,255,255,.4)}
.aur-page-hero{padding:150px 0 60px;text-align:center}
.aur-page-hero h1{font-size:2.6rem;margin-bottom:12px}
.aur-page-hero p{font-size:.95rem;color:var(--aur-text-sec)}
@media(max-width:1024px){.aur-hero h1{font-size:2.3rem}.aur-feat-grid{grid-template-columns:repeat(2,1fr)}.aur-svc-grid{grid-template-columns:1fr}.aur-about-grid{grid-template-columns:1fr}.aur-faq-layout{grid-template-columns:1fr}.aur-faq-side{position:static;text-align:center}.aur-footer-top{grid-template-columns:1fr 1fr}.aur-steps-grid{grid-template-columns:repeat(2,1fr)}.aur-testi-grid{grid-template-columns:1fr}}
@media(max-width:768px){.aur-nav{top:8px;left:8px;right:8px;padding:10px 16px;flex-wrap:wrap}.aur-nav-links{display:none;position:absolute;top:calc(100% + 8px);left:0;right:0;flex-direction:column;background:#fff;border:1px solid var(--aur-border);border-radius:var(--aur-radius);padding:12px 16px;gap:0;box-shadow:var(--aur-shadow-lg)}.aur-nav-links.active{display:flex}.aur-nav-links li{border-bottom:1px solid var(--aur-border)}.aur-nav-links li:last-child{border-bottom:none}.aur-nav-links a{display:block;padding:12px 0}.aur-nav-cta{display:none}.aur-mobile-btn{display:block}.aur-hero{padding:120px 0 60px}.aur-hero h1{font-size:1.9rem}.aur-hero-actions{flex-direction:column}.aur-btn-cta,.aur-btn-ghost{width:100%;justify-content:center}.aur-hero-nums{flex-wrap:wrap;gap:18px}.aur-hn-sep{display:none}.aur-feat-grid{grid-template-columns:1fr}.aur-sec-header h2{font-size:1.6rem}.aur-section{padding:60px 0}.aur-cta-box{padding:40px 20px}.aur-footer-top{grid-template-columns:1fr;gap:28px}.aur-page-hero h1{font-size:2rem}}
@media(max-width:480px){.aur-steps-grid{grid-template-columns:1fr}.aur-trust-inner{gap:16px}}