/* ============================================
   圣淘沙客服中心 - 主样式表
   Sentosa Customer Service Center
   SEO优化 | 响应式设计 | 高性能
   ============================================ */

/* ---------- Reset & Base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"WenQuanYi Micro Hei","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.7;color:#2c3e50;
  background:#fff;overflow-x:hidden;
}
a{color:#1a73e8;text-decoration:none;transition:color .25s}
a:hover{color:#0d47a1}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;outline:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-weight:700;line-height:1.3;color:#1a1a2e}
h1{font-size:clamp(1.8rem,4vw,3rem)}
h2{font-size:clamp(1.5rem,3vw,2.4rem)}
h3{font-size:clamp(1.2rem,2vw,1.6rem)}
.section-title{text-align:center;margin-bottom:16px}
.section-title span{color:#1a73e8}
.section-subtitle{text-align:center;color:#6c757d;max-width:700px;margin:0 auto 50px;font-size:1.05rem}

/* ---------- Header & Nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  box-shadow:0 2px 20px rgba(0,0,0,.08);
  transition:all .3s;
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:12px}
.logo img{width:42px;height:42px;border-radius:8px}
.logo-text{font-size:1.25rem;font-weight:800;color:#1a1a2e}
.logo-text small{display:block;font-size:.7rem;font-weight:400;color:#6c757d;letter-spacing:1px}
.nav-links{display:flex;gap:8px;align-items:center}
.nav-links a{
  padding:8px 16px;border-radius:8px;font-size:.95rem;
  color:#2c3e50;font-weight:500;transition:all .25s;
}
.nav-links a:hover,.nav-links a.active{background:#1a73e8;color:#fff}
.nav-cta{
  background:linear-gradient(135deg,#1a73e8,#0d47a1);
  color:#fff!important;padding:10px 22px!important;border-radius:50px!important;
  font-weight:600!important;box-shadow:0 4px 15px rgba(26,115,232,.35);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(26,115,232,.5)}
.mobile-menu-btn{display:none;flex-direction:column;gap:5px;padding:8px;background:none}
.mobile-menu-btn span{width:26px;height:2px;background:#1a1a2e;border-radius:2px}

/* ---------- Hero Section ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  background:linear-gradient(135deg,#0a1628 0%,#1a2a4a 50%,#0d1f3c 100%);
  overflow:hidden;padding-top:72px;
}
.hero::before{
  content:'';position:absolute;top:-50%;right:-20%;width:80%;height:150%;
  background:radial-gradient(circle,rgba(26,115,232,.15) 0%,transparent 70%);
  animation:float 20s ease-in-out infinite;
}
.hero::after{
  content:'';position:absolute;bottom:-30%;left:-10%;width:60%;height:100%;
  background:radial-gradient(circle,rgba(0,180,216,.1) 0%,transparent 60%);
}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(-30px,20px)}}
.hero-content{position:relative;z-index:2;max-width:680px;color:#fff}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  padding:8px 20px;border-radius:50px;font-size:.9rem;margin-bottom:24px;
  backdrop-filter:blur(10px);
}
.hero-badge .dot{width:8px;height:8px;background:#4caf50;border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.2)}}
.hero h1{color:#fff;margin-bottom:20px;line-height:1.2}
.hero h1 .highlight{
  background:linear-gradient(135deg,#64b5f6,#00bcd4);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero p.lead{font-size:1.15rem;color:rgba(255,255,255,.85);margin-bottom:36px;max-width:560px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 32px;border-radius:50px;font-size:1rem;font-weight:600;
  transition:all .3s;
}
.btn-primary{
  background:linear-gradient(135deg,#1a73e8,#0d47a1);color:#fff;
  box-shadow:0 4px 20px rgba(26,115,232,.4);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(26,115,232,.6);color:#fff}
.btn-outline{background:transparent;border:2px solid rgba(255,255,255,.4);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
.hero-stats{
  display:flex;gap:40px;margin-top:50px;flex-wrap:wrap;
}
.hero-stat{text-align:left}
.hero-stat .num{font-size:2.2rem;font-weight:800;color:#64b5f6;display:block}
.hero-stat .label{font-size:.85rem;color:rgba(255,255,255,.7)}
.hero-visual{position:relative;z-index:2;flex:1;display:none;justify-content:center;align-items:center}
.hero-visual img{border-radius:20px;box-shadow:0 20px 60px rgba(0,0,0,.3);max-width:500px}
@media(min-width:992px){.hero .container{display:flex;align-items:center;gap:40px}.hero-visual{display:flex}}

/* ---------- Trust Bar ---------- */
.trust-bar{background:#f8f9fa;padding:20px 0;border-bottom:1px solid #e9ecef}
.trust-bar .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px}
.trust-bar span{color:#6c757d;font-size:.9rem;display:flex;align-items:center;gap:8px}
.trust-bar span::before{content:'✓';color:#4caf50;font-weight:700;font-size:1.1rem}

/* ---------- Services Section ---------- */
.services{padding:100px 0;background:#fff}
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:28px;margin-top:50px}
.service-card{
  background:#fff;border-radius:20px;padding:40px 32px;
  box-shadow:0 4px 20px rgba(0,0,0,.06);
  transition:all .35s;border:1px solid #f0f0f0;
  position:relative;overflow:hidden;
}
.service-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,#1a73e8,#00bcd4);transform:scaleX(0);transition:transform .35s;
}
.service-card:hover{transform:translateY(-8px);box-shadow:0 16px 40px rgba(0,0,0,.12)}
.service-card:hover::before{transform:scaleX(1)}
.service-icon{
  width:64px;height:64px;border-radius:16px;
  background:linear-gradient(135deg,#e3f2fd,#bbdefb);
  display:flex;align-items:center;justify-content:center;
  font-size:1.8rem;margin-bottom:20px;
}
.service-card h3{margin-bottom:12px;font-size:1.25rem}
.service-card p{color:#6c757d;font-size:.95rem;margin-bottom:16px}
.service-card ul{margin-top:12px}
.service-card ul li{padding:6px 0;color:#555;font-size:.9rem;padding-left:20px;position:relative}
.service-card ul li::before{content:'▸';position:absolute;left:0;color:#1a73e8;font-size:.8rem}

/* ---------- Team Section ---------- */
.team{padding:100px 0;background:#f8f9fa}
.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:32px;margin-top:50px}
.team-card{
  background:#fff;border-radius:20px;overflow:hidden;
  box-shadow:0 4px 20px rgba(0,0,0,.06);
  transition:all .35s;
}
.team-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.12)}
.team-photo{height:300px;overflow:hidden;position:relative}
.team-photo img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.team-card:hover .team-photo img{transform:scale(1.05)}
.team-info{padding:24px}
.team-info h3{margin-bottom:4px;font-size:1.15rem}
.team-info .role{color:#1a73e8;font-size:.9rem;font-weight:600;margin-bottom:10px}
.team-info p{color:#6c757d;font-size:.88rem;line-height:1.6}
.team-social{display:flex;gap:10px;margin-top:14px}
.team-social a{
  width:36px;height:36px;border-radius:50%;background:#f0f4f8;
  display:flex;align-items:center;justify-content:center;
  font-size:.85rem;color:#1a73e8;transition:all .25s;
}
.team-social a:hover{background:#1a73e8;color:#fff}

/* ---------- VIP Section ---------- */
.vip-section{padding:100px 0;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);color:#fff;position:relative;overflow:hidden}
.vip-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="g" width="10" height="10" patternUnits="userSpaceOnUse"><circle cx="2" cy="2" r="0.5" fill="rgba(255,255,255,0.03)"/></pattern></defs><rect width="100" height="100" fill="url(%23g)"/></svg>')}
.vip-section .section-title{color:#fff}
.vip-section .section-subtitle{color:rgba(255,255,255,.7)}
.vip-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px;margin-top:50px;position:relative;z-index:1}
.vip-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  border-radius:20px;padding:36px 28px;backdrop-filter:blur(10px);
  transition:all .35s;
}
.vip-card:hover{background:rgba(255,255,255,.1);transform:translateY(-6px)}
.vip-card .vip-icon{font-size:2.5rem;margin-bottom:16px}
.vip-card h3{color:#fff;margin-bottom:12px}
.vip-card p{color:rgba(255,255,255,.7);font-size:.95rem}
.vip-cta{text-align:center;margin-top:50px;position:relative;z-index:1}
.vip-cta .btn-gold{
  background:linear-gradient(135deg,#ffd700,#ffaa00);color:#1a1a2e;
  padding:16px 40px;font-size:1.1rem;font-weight:700;
  box-shadow:0 4px 20px rgba(255,215,0,.3);
}
.vip-cta .btn-gold:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(255,215,0,.5)}

/* ---------- News Section ---------- */
.news{padding:100px 0;background:#fff}
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:28px;margin-top:50px}
.news-card{
  border-radius:20px;overflow:hidden;border:1px solid #f0f0f0;
  transition:all .35s;background:#fff;
}
.news-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.1)}
.news-meta{display:flex;gap:16px;padding:20px 24px 0;font-size:.85rem;color:#6c757d}
.news-meta .tag{background:#e3f2fd;color:#1a73e8;padding:2px 12px;border-radius:20px;font-weight:600}
.news-card h3{padding:12px 24px 0;font-size:1.1rem;line-height:1.5}
.news-card h3 a{color:#1a1a2e}
.news-card h3 a:hover{color:#1a73e8}
.news-card p{padding:12px 24px 20px;color:#6c757d;font-size:.92rem}
.news-card .read-more{padding:0 24px 24px;font-size:.9rem;color:#1a73e8;font-weight:600}
.news-card .read-more:hover{color:#0d47a1}

/* ---------- Contact Section ---------- */
.contact{padding:100px 0;background:#f8f9fa}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:28px;margin-top:50px}
.contact-card{
  background:#fff;border-radius:20px;padding:36px 28px;text-align:center;
  box-shadow:0 4px 20px rgba(0,0,0,.05);transition:all .3s;
}
.contact-card:hover{transform:translateY(-4px);box-shadow:0 12px 35px rgba(0,0,0,.1)}
.contact-card .icon{
  width:64px;height:64px;border-radius:50%;
  background:linear-gradient(135deg,#1a73e8,#00bcd4);
  display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;margin:0 auto 16px;color:#fff;
}
.contact-card h3{margin-bottom:8px;font-size:1.1rem}
.contact-card p{color:#1a73e8;font-size:1.1rem;font-weight:600}

/* ---------- Footer ---------- */
.site-footer{background:#1a1a2e;color:rgba(255,255,255,.7);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:40px;margin-bottom:40px}
.footer-brand h3{color:#fff;margin-bottom:12px;font-size:1.2rem}
.footer-brand p{font-size:.9rem;line-height:1.7}
.footer-links h4{color:#fff;font-size:1rem;margin-bottom:16px}
.footer-links ul li{padding:6px 0}
.footer-links ul li a{color:rgba(255,255,255,.6);font-size:.9rem}
.footer-links ul li a:hover{color:#64b5f6}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-top:24px;
  text-align:center;font-size:.85rem;color:rgba(255,255,255,.4);
}
.footer-bottom a{color:rgba(255,255,255,.5);margin:0 12px}

/* ---------- Breadcrumb ---------- */
.breadcrumb{padding:100px 0 20px;background:#f8f9fa;font-size:.9rem;color:#6c757d}
.breadcrumb a{color:#1a73e8}
.breadcrumb span{margin:0 8px;color:#ccc}

/* ---------- Page Header ---------- */
.page-header{padding:120px 0 60px;background:linear-gradient(135deg,#0a1628,#1a2a4a);color:#fff;text-align:center}
.page-header h1{color:#fff;margin-bottom:12px}
.page-header p{color:rgba(255,255,255,.8);font-size:1.1rem}

/* ---------- FAQ ---------- */
.faq-list{max-width:800px;margin:40px auto 0}
.faq-item{
  background:#fff;border-radius:16px;margin-bottom:16px;
  box-shadow:0 2px 12px rgba(0,0,0,.05);overflow:hidden;
}
.faq-q{
  padding:20px 28px;font-weight:600;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
  transition:background .25s;
}
.faq-q:hover{background:#f8f9fa}
.faq-q .arrow{transition:transform .3s;font-size:1.2rem;color:#1a73e8}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{padding:0 28px;max-height:0;overflow:hidden;transition:all .35s;color:#6c757d;line-height:1.8}
.faq-item.open .faq-a{padding:0 28px 20px;max-height:500px}

/* ---------- Animations on Scroll ---------- */
.fade-up{opacity:0;transform:translateY(40px);transition:all .8s ease-out}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* ---------- Responsive ---------- */
@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:20px;box-shadow:0 10px 30px rgba(0,0,0,.1);gap:4px}
  .nav-links.active{display:flex}
  .nav-links a{width:100%;text-align:center;padding:12px}
  .mobile-menu-btn{display:flex}
  .hero-stats{gap:24px}
  .hero-stat .num{font-size:1.6rem}
  .services-grid,.team-grid,.vip-grid,.news-grid,.contact-grid{grid-template-columns:1fr}
  .trust-bar .container{justify-content:center;text-align:center}
}
@media(max-width:480px){
  .hero h1{font-size:1.6rem}
  .btn{padding:12px 24px;font-size:.9rem}
  .hero-actions{flex-direction:column;align-items:stretch}
}

/* ---------- News Article Page ---------- */
.article-body{max-width:800px;margin:40px auto;line-height:1.9;font-size:1.05rem;color:#333}
.article-body h2{margin:36px 0 16px;font-size:1.5rem}
.article-body h3{margin:28px 0 12px;font-size:1.2rem}
.article-body p{margin-bottom:20px}
.article-body ul{margin:16px 0 20px 20px;list-style:disc}
.article-body ul li{margin-bottom:8px}
.article-meta{color:#6c757d;font-size:.9rem;margin-bottom:30px;padding-bottom:20px;border-bottom:1px solid #eee}
.article-share{display:flex;gap:12px;margin-top:40px;padding-top:30px;border-top:1px solid #eee;align-items:center}
.article-share a{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#f0f4f8;color:#1a73e8;font-size:1.1rem;transition:all .25s}
.article-share a:hover{background:#1a73e8;color:#fff}

/* ---------- Live Chat Widget (SEO-friendly) ---------- */
.chat-widget{
  position:fixed;bottom:24px;right:24px;z-index:999;
  width:60px;height:60px;border-radius:50%;
  background:linear-gradient(135deg,#1a73e8,#0d47a1);
  display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;color:#fff;cursor:pointer;
  box-shadow:0 4px 20px rgba(26,115,232,.4);
  animation:pulse-ring 2s infinite;
}
@keyframes pulse-ring{0%{box-shadow:0 4px 20px rgba(26,115,232,.4),0 0 0 0 rgba(26,115,232,.3)}70%{box-shadow:0 4px 20px rgba(26,115,232,.4),0 0 0 15px rgba(26,115,232,0)}100%{box-shadow:0 4px 20px rgba(26,115,232,.4),0 0 0 0 rgba(26,115,232,0)}}