/* ========== 圣淘沙度假酒店 — 主样式 ========== */

/* --- Reset & Base --- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",-apple-system,sans-serif;
  background:#faf8f5;color:#2b2b2b;line-height:1.7;
  -webkit-font-smoothing:antialiased;min-height:100vh;
}
img{max-width:100%;height:auto;display:block}
a{color:#0d3b66;text-decoration:none;transition:color .2s}
a:hover{color:#e76f51}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:1rem}

/* --- 变量 --- */
:root{
  --primary:#0d3b66;
  --primary-dark:#082a4a;
  --secondary:#f4a261;
  --accent:#e76f51;
  --gold:#c9a96e;
  --light-bg:#faf0e6;
  --text:#2b2b2b;
  --text-light:#6b6b6b;
  --white:#ffffff;
  --shadow-sm:0 2px 8px rgba(0,0,0,.06);
  --shadow-md:0 8px 24px rgba(0,0,0,.1);
  --shadow-lg:0 16px 40px rgba(0,0,0,.14);
  --radius:20px;
  --container:1180px;
}

/* --- 可访问性 --- */
.visually-hidden,.sr-only{
  position:absolute!important;width:1px;height:1px;
  padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);
  white-space:nowrap;border:0;
}

/* --- Layout --- */
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* ==================== Header ==================== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(13,59,102,.95);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 2px 20px rgba(0,0,0,.15);
}
.header-inner{
  display:flex;justify-content:space-between;align-items:center;
  padding:12px 0;gap:20px;
}
.logo{display:flex;align-items:center;gap:12px;color:#fff}
.logo-img{
  height:42px;width:auto;display:block;
  filter:drop-shadow(0 2px 4px rgba(0,0,0,.2));
  transition:transform .2s;
}
.logo:hover .logo-img{transform:scale(1.05)}
.logo-text{display:flex;flex-direction:column;justify-content:center;line-height:1.2}
.logo-text strong{display:block;font-size:1.15rem;color:#fff;font-weight:700}
.logo-text small{font-size:.68rem;color:rgba(255,255,255,.55);letter-spacing:1.5px;text-transform:uppercase}

/* Nav */
.main-nav ul{display:flex;gap:28px;align-items:center}
.main-nav a{
  font-weight:500;font-size:.92rem;color:rgba(255,255,255,.85);
  padding:6px 0;position:relative;transition:color .2s;
}
.main-nav a:hover,.main-nav a:focus{color:var(--secondary);outline:none}
.main-nav a::after{
  content:'';position:absolute;bottom:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--secondary),var(--accent));
  border-radius:1px;transform:scaleX(0);transition:transform .25s;
}
.main-nav a:hover::after,.main-nav a:focus::after{transform:scaleX(1)}

/* Header Actions */
.header-actions{display:flex;align-items:center;gap:14px}
.header-phone{
  color:rgba(255,255,255,.85);font-size:.88rem;font-weight:500;
  display:inline-flex;align-items:center;gap:6px;
}
.header-phone:hover{color:var(--secondary)}
.btn-book-sm{
  padding:8px 22px;border-radius:40px;font-weight:600;font-size:.88rem;
  background:linear-gradient(135deg,var(--accent),#d45d3a);color:#fff;
  transition:all .2s;box-shadow:0 2px 8px rgba(231,111,81,.3);
}
.btn-book-sm:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(231,111,81,.45);color:#fff}

/* Mobile menu toggle */
.menu-toggle{display:none;flex-direction:column;gap:4px;padding:8px}
.menu-toggle span{display:block;width:24px;height:2px;background:rgba(255,255,255,.85);border-radius:1px}

/* ==================== Hero ==================== */
.hero{
  position:relative;min-height:90vh;
  display:flex;align-items:center;justify-content:center;
  text-align:center;color:#fff;
  margin-top:0;
  overflow:hidden;
}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(rgba(8,42,74,.45),rgba(8,42,74,.55)),
    url('../images/hero-banner.jpg') center/cover no-repeat;
  background-color:#0d3b66;
  animation:slowZoom 20s ease-in-out infinite alternate;
}
@keyframes slowZoom{
  0%{transform:scale(1)}
  100%{transform:scale(1.06)}
}
.hero-inner{
  position:relative;z-index:2;
  padding:100px 24px 80px;max-width:900px;
}
.breadcrumb{
  font-size:.82rem;color:rgba(255,255,255,.7);margin-bottom:24px;
  display:flex;justify-content:center;gap:8px;
}
.breadcrumb a{color:rgba(255,255,255,.7)}
.breadcrumb a:hover{color:#fff}

.hero-content h1{
  font-size:clamp(2rem,5vw,4rem);font-weight:800;line-height:1.2;
  text-shadow:2px 2px 20px rgba(0,0,0,.5);letter-spacing:2px;
  margin-bottom:16px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(244,162,97,.2);border:1px solid rgba(244,162,97,.4);
  padding:6px 18px;border-radius:40px;font-size:.85rem;
  margin-bottom:20px;backdrop-filter:blur(4px);
}
.hero-desc{font-size:1.1rem;max-width:680px;margin:0 auto 36px;line-height:1.8;text-shadow:1px 1px 8px rgba(0,0,0,.4)}

/* Booking Bar */
.booking-bar{
  display:flex;flex-wrap:wrap;align-items:stretch;
  background:rgba(255,255,255,.95);border-radius:50px;
  padding:8px;gap:4px;max-width:780px;margin:0 auto;
  box-shadow:0 20px 40px rgba(0,0,0,.25);
  backdrop-filter:blur(8px);
}
.bk-field{
  display:flex;flex-direction:column;align-items:flex-start;
  padding:6px 16px;border-right:1px solid #eee;
  flex:1;min-width:120px;
}
.bk-field:last-of-type{border-right:none}
.bk-field label{font-size:.72rem;color:var(--text-light);font-weight:600;text-transform:uppercase;letter-spacing:1px}
.bk-field input,.bk-field select{
  border:none;background:transparent;outline:none;
  font-size:.95rem;color:var(--text);padding:2px 0;width:100%;
}
.bk-submit{
  padding:14px 32px;border-radius:40px;font-weight:700;font-size:1rem;
  background:linear-gradient(135deg,var(--accent),#d45d3a);color:#fff;
  transition:all .2s;white-space:nowrap;
}
.bk-submit:hover{transform:scale(1.02);box-shadow:0 4px 16px rgba(231,111,81,.35)}

/* ==================== Section通用 ==================== */
.section{margin:80px 0}
.section-alt{background:var(--light-bg);padding:80px 0;margin:0;border-radius:48px 48px 0 0}
.section-header{margin-bottom:48px;max-width:700px}
.section-header.center{margin-left:auto;margin-right:auto;text-align:center}
.section-header.light h2{color:#fff}
.section-header.light p{color:rgba(255,255,255,.8)}
.section-eyebrow{
  display:inline-block;font-size:.78rem;font-weight:700;
  color:var(--accent);letter-spacing:3px;text-transform:uppercase;
  margin-bottom:8px;
}
.section-header h2{font-size:2rem;font-weight:800;color:var(--primary);margin-bottom:10px;line-height:1.3}
.section-header p{color:var(--text-light);font-size:1rem}

/* ==================== About ==================== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-text .lead{font-size:1.1rem;margin-bottom:24px;color:#444}
.about-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin:28px 0;
}
.stat{text-align:center;padding:16px 8px;background:#fff;border-radius:16px;box-shadow:var(--shadow-sm)}
.stat strong{display:block;font-size:1.6rem;font-weight:800;color:var(--accent)}
.stat span{font-size:.78rem;color:var(--text-light)}

.about-images{position:relative;min-height:500px}
.about-img-1{
  width:70%;border-radius:20px;box-shadow:var(--shadow-lg);
  position:absolute;top:0;left:0;z-index:1;
}
.about-img-2{
  width:55%;border-radius:16px;box-shadow:var(--shadow-md);
  position:absolute;top:30%;right:0;z-index:2;
  border:4px solid #fff;
}
.about-img-3{
  width:55%;border-radius:16px;box-shadow:var(--shadow-md);
  position:absolute;bottom:0;left:10%;z-index:3;
  border:4px solid #fff;
}

/* Buttons */
.btn-outline-primary{
  display:inline-block;padding:12px 28px;border-radius:40px;font-weight:600;
  border:2px solid var(--primary);color:var(--primary);transition:all .2s;
}
.btn-outline-primary:hover{background:var(--primary);color:#fff}

/* ==================== Rooms ==================== */
.room-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:28px}
.room-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:all .3s;
}
.room-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.room-card img{width:100%;height:280px;object-fit:cover}
.room-body{padding:24px}
.room-card h3{font-size:1.2rem;font-weight:700;color:var(--primary);margin-bottom:10px}
.room-features{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.room-features li{
  font-size:.78rem;padding:3px 10px;background:var(--light-bg);
  border-radius:20px;color:var(--text-light);
}
.room-body p{font-size:.9rem;color:#555;margin-bottom:16px}
.room-foot{display:flex;justify-content:space-between;align-items:center}
.room-price{font-size:1.4rem;font-weight:800;color:var(--accent)}
.room-price small{font-size:.8rem;color:var(--text-light);font-weight:400}

/* ==================== Facilities ==================== */
.facility-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;
}
.facility-item{
  text-align:center;padding:32px 24px;
  background:#fff;border-radius:var(--radius);
  box-shadow:var(--shadow-sm);transition:all .3s;
}
.facility-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.fac-icon{font-size:2.5rem;display:block;margin-bottom:14px}
.facility-item h4{font-size:1.05rem;font-weight:700;color:var(--primary);margin-bottom:8px}
.facility-item p{font-size:.88rem;color:var(--text-light)}

/* ==================== Dining ==================== */
.dining-section{
  background:
    linear-gradient(rgba(13,59,102,.85),rgba(8,42,74,.9)),
    url('../images/hero-banner.jpg') center/cover fixed;
  padding:80px 0;border-radius:48px 48px 0 0;
}
.dining-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px}
.dining-card{
  background:rgba(255,255,255,.1);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.15);
  border-radius:var(--radius);overflow:hidden;transition:all .3s;
}
.dining-card:hover{transform:translateY(-6px);background:rgba(255,255,255,.15)}
.dining-card img{width:100%;height:260px;object-fit:cover}
.dining-body{padding:24px;color:#fff}
.dining-body h3{font-size:1.2rem;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.badge-michelin{
  font-size:.7rem;padding:2px 10px;border-radius:20px;
  background:var(--gold);color:#fff;font-weight:600;
}
.dining-body p{font-size:.9rem;color:rgba(255,255,255,.85);margin-bottom:10px}
.dining-meta{font-size:.82rem;color:var(--secondary)!important;margin-bottom:0!important}

/* ==================== Gallery ==================== */
.gallery-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
}
.gallery-item{
  position:relative;border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow-sm);transition:all .3s;
}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gallery-item:hover img{transform:scale(1.05)}
.gallery-item:hover{box-shadow:var(--shadow-md)}
.gallery-item.g-span2{grid-column:span 2}
.gallery-item:first-child,.gallery-item:nth-child(6){grid-column:span 2}
.gallery-item figcaption{
  position:absolute;bottom:0;left:0;right:0;
  background:linear-gradient(transparent,rgba(0,0,0,.7));
  color:#fff;padding:24px 16px 12px;font-size:.88rem;font-weight:500;
}

/* ==================== Reviews ==================== */
.review-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.review-card{
  background:#fff;border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow-sm);border-top:4px solid var(--gold);
}
.stars{color:#f5b942;font-size:1.2rem;margin-bottom:12px;letter-spacing:2px}
.review-card p{font-size:.95rem;color:#444;margin-bottom:16px;font-style:italic}
.review-card footer{font-size:.82rem;color:var(--text-light);font-weight:500}

/* ==================== FAQ ==================== */
.faq-grid{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border-radius:14px;overflow:hidden;
  box-shadow:var(--shadow-sm);transition:box-shadow .2s;
}
.faq-item[open]{box-shadow:var(--shadow-md)}
.faq-item summary{
  padding:18px 24px;font-weight:600;font-size:1rem;color:var(--primary);
  cursor:pointer;list-style:none;position:relative;padding-right:48px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'+';position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:1.4rem;color:var(--accent);font-weight:300;
}
.faq-item[open] summary::after{content:'−'}
.faq-body{padding:0 24px 18px;color:#555;font-size:.92rem}

/* ==================== Contact ==================== */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:start}
.contact-item{display:flex;gap:16px;align-items:flex-start;margin-bottom:24px}
.ci-icon{
  font-size:1.5rem;flex-shrink:0;width:48px;height:48px;
  background:var(--light-bg);border-radius:12px;
  display:flex;align-items:center;justify-content:center;
}
.contact-item h4{font-size:.85rem;color:var(--text-light);font-weight:600;margin-bottom:2px}
.contact-item p{font-size:1rem;color:var(--text)}
.contact-item a{color:var(--primary);font-weight:500}

/* Subscribe */
.subscribe-box{
  background:#fff;border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow-sm);margin-top:24px;
}
.subscribe-box h4{font-size:1rem;color:var(--primary);margin-bottom:6px}
.subscribe-box p{font-size:.85rem;color:var(--text-light);margin-bottom:14px}
.sub-input{display:flex;gap:8px}
.sub-input input{
  flex:1;padding:10px 16px;border-radius:40px;border:1px solid #ddd;
  outline:none;font-size:.9rem;transition:border-color .2s;
}
.sub-input input:focus{border-color:var(--primary)}
.sub-input button{
  padding:10px 24px;border-radius:40px;font-weight:600;
  background:var(--primary);color:#fff;transition:all .2s;
}
.sub-input button:hover{background:var(--primary-dark)}

/* Map */
.contact-map{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md)}
.contact-map img{width:100%;height:380px;object-fit:cover}
.map-overlay{
  position:absolute;bottom:20px;left:20px;right:20px;
  display:flex;justify-content:space-between;align-items:center;
  background:rgba(0,0,0,.7);color:#fff;padding:12px 20px;border-radius:12px;
}
.btn-outline-light{
  display:inline-block;padding:6px 16px;border-radius:20px;font-weight:500;font-size:.85rem;
  border:1px solid rgba(255,255,255,.5);color:#fff;transition:all .2s;
}
.btn-outline-light:hover{background:rgba(255,255,255,.15);color:#fff}

/* ==================== CTA ==================== */
.cta-section{
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  border-radius:48px;margin:80px 0 40px;padding:60px 40px;text-align:center;color:#fff;
}
.cta-inner{max-width:700px;margin:0 auto}
.cta-section h2{font-size:2rem;font-weight:800;margin-bottom:12px}
.cta-section p{font-size:1.05rem;color:rgba(255,255,255,.85);margin-bottom:28px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-cta-primary{
  display:inline-block;padding:14px 36px;border-radius:40px;font-weight:700;font-size:1rem;
  background:var(--accent);color:#fff;transition:all .2s;box-shadow:0 4px 16px rgba(231,111,81,.3);
}
.btn-cta-primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(231,111,81,.45);color:#fff}
.btn-cta-outline{
  display:inline-block;padding:14px 36px;border-radius:40px;font-weight:600;font-size:1rem;
  border:2px solid rgba(255,255,255,.4);color:#fff;transition:all .2s;
}
.btn-cta-outline:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}

/* ==================== Footer ==================== */
.site-footer{
  background:#082a4a;color:#a8bcc8;padding:56px 0 24px;
}
.footer-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:40px;margin-bottom:40px;
}
.footer-brand h4{color:#fff;font-size:1.1rem;margin-bottom:12px}
.footer-brand p{font-size:.88rem;color:#7a8e9e;margin-bottom:16px}
.social-links{display:flex;gap:10px}
.social-links a{
  width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;
  font-size:1rem;transition:all .2s;
}
.social-links a:hover{background:var(--accent);transform:translateY(-2px)}

.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:14px}
.site-footer ul li{padding:4px 0}
.site-footer a{color:#7a8e9e;font-size:.85rem}
.site-footer a:hover{color:var(--secondary)}

.footer-contact-bar{
  display:flex;flex-wrap:wrap;gap:24px;justify-content:center;
  padding:16px 0;border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:20px;
  font-size:.85rem;color:#7a8e9e;
}
.footer-bottom{text-align:center;font-size:.78rem;color:#5a6e7e}
.footer-icp{margin-top:6px;color:#4a5e6e}

/* ==================== Back to Top ==================== */
.back-to-top{
  position:fixed;bottom:30px;right:30px;z-index:999;
  width:44px;height:44px;border-radius:50%;
  background:var(--accent);color:#fff;font-size:1.4rem;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .3s;box-shadow:0 4px 12px rgba(231,111,81,.3);
}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:#d45d3a;transform:translateY(-2px)}

/* ========== Responsive ========== */
@media(max-width:1024px){
  .about-grid{grid-template-columns:1fr;gap:40px}
  .about-images{min-height:400px}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;width:100%;order:3}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;gap:12px;padding:16px 0}
  .menu-toggle{display:flex}
  .header-actions{margin-left:auto}
  .hero-content h1{font-size:2rem}
  .booking-bar{flex-direction:column;border-radius:24px;padding:16px}
  .bk-field{border-right:none;border-bottom:1px solid #eee;padding:8px 4px}
  .bk-submit{border-radius:30px;margin-top:8px}
  .about-stats{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr}
  .gallery-item,.gallery-item.g-span2{grid-column:span 1}
  .cta-section{padding:40px 24px;margin:48px 0 24px}
  .footer-contact-bar{flex-direction:column;gap:8px;text-align:center}
}
@media(max-width:480px){
  .container{padding:0 16px}
  .section{margin:48px 0}
  .section-alt{padding:48px 0}
  .about-images{display:none}
  .room-grid{grid-template-columns:1fr}
}

/* ===== Logo 响应式 ===== */
@media(max-width:768px){
  .logo-img{height:34px}
  .logo-text strong{font-size:1rem}
  .logo-text small{font-size:.58rem}
}
@media(max-width:480px){
  .logo-img{height:28px}
  .logo-text strong{font-size:.88rem}
  .logo-text small{font-size:.52rem;letter-spacing:1px}
}

/* ===== 酒店建筑展示（新增） ===== */
.building-showcase{display:grid;grid-template-columns:3fr 2fr;gap:24px;margin-top:32px}
.building-main img{width:100%;height:450px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow-md)}
.building-side{display:flex;flex-direction:column;gap:24px}
.building-side img{width:100%;height:280px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.building-caption{margin-top:8px;text-align:center}
.building-caption h3,.building-caption h4{color:var(--primary);margin-bottom:4px;font-weight:700}
.building-caption p{font-size:.85rem;color:var(--text-light)}
.night-banner-wrap{margin-top:32px}
.night-banner-wrap img{width:100%;height:auto;border-radius:var(--radius);box-shadow:var(--shadow-md)}
.facility-banner-wrap{margin:32px 0}
.facility-banner-wrap img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow-md)}

/* 响应式：建筑展示 */
@media(max-width:768px){
  .building-showcase{grid-template-columns:1fr}
  .building-main img{height:280px}
  .building-side img{height:200px}
}