/* ===== Etrips 国安易游 — Global Styles ===== */
:root{
  --navy:#1b3a5b;        /* 低饱和深蓝主色 */
  --navy-dark:#13293f;
  --navy-light:#2c5d8a;
  --accent:#c8a35b;      /* 轻奢金，点缀 */
  --bg:#ffffff;
  --bg-soft:#f5f7fa;
  --text:#1f2933;
  --text-soft:#5b6b7b;
  --border:#e2e8f0;
  --radius:10px;
  --shadow:0 4px 18px rgba(27,58,91,.08);
  --maxw:1200px;
  --header-h:64px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  color:var(--text);background:var(--bg);line-height:1.6;padding-top:var(--header-h)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.btn{display:inline-block;padding:11px 22px;border-radius:var(--radius);font-weight:600;
  cursor:pointer;border:none;transition:.2s;font-size:15px}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-dark)}
.btn-gold{background:var(--accent);color:#1c1c1c}
.btn-gold:hover{filter:brightness(.94)}
.btn-outline{border:1.5px solid var(--navy);color:var(--navy);background:transparent}
.btn-outline:hover{background:var(--navy);color:#fff}
.section{padding:56px 0}
.section-title{font-size:26px;color:var(--navy);text-align:center;margin-bottom:30px;font-weight:700}
.section-title::after{content:"";display:block;width:48px;height:3px;background:var(--accent);
  margin:10px auto 0;border-radius:3px}
.muted{color:var(--text-soft)}

/* ===== Header ===== */
.site-header{position:fixed;top:0;left:0;right:0;height:var(--header-h);background:rgba(255,255,255,.97);
  backdrop-filter:blur(6px);border-bottom:1px solid var(--border);z-index:1000}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:100%;gap:16px}
.logo{display:flex;flex-direction:column;line-height:1.05;flex-shrink:0}
.logo .name{font-weight:800;color:var(--navy);font-size:18px}
.logo .slogan{font-size:11px;color:var(--text-soft);margin-top:2px}
.logo-img{height:40px;width:auto;display:block}
.nav{display:flex;gap:2px;align-items:center;flex:1;justify-content:center}
.nav>li{position:relative;list-style:none}
.nav>li>a{padding:8px 11px;color:var(--text);font-size:14.5px;display:block;border-radius:6px;line-height:1.15;white-space:nowrap}
.nav>li>a:hover{background:var(--bg-soft);color:var(--navy)}
.nav .submenu{position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--border);
  border-radius:8px;box-shadow:var(--shadow);min-width:180px;padding:6px;display:none}
.nav>li:hover .submenu{display:block}
.nav .submenu a{padding:8px 12px;font-size:14px;display:block;border-radius:6px}
.nav .submenu a:hover{background:var(--bg-soft)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.lang-btn{background:var(--bg-soft);border:1px solid var(--border);border-radius:20px;
  padding:7px 16px;cursor:pointer;font-size:14px;color:var(--text-soft);font-weight:600}
.lang-btn:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer}
.hamburger span{width:24px;height:2px;background:var(--navy)}

/* ===== Contact band (navy) + white cards ===== */
.contact-band{background:var(--navy);color:#fff;padding:46px 0}
.contact-band .cb-head h2{color:#fff;font-size:26px;font-weight:800;position:static}
.contact-band .cb-head h2::after{display:none}
.contact-band .cb-head .cb-sub{color:#cdd8e3;font-size:14px;margin-top:8px;line-height:1.6}
.contact-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:22px}
.cc-item{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:10px;
  text-align:center;padding:22px 12px;border-radius:12px;background:#fff;text-decoration:none;
  color:var(--text);transition:.2s;min-height:150px}
.cc-item:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(0,0,0,.18)}
.cc-icon{display:flex;align-items:center;justify-content:center;height:40px}
.cc-label{font-weight:700;color:var(--navy);font-size:15px;line-height:1.3}
.cc-val{font-size:13px;color:#3a4654;line-height:1.5;word-break:break-word}
@media(max-width:768px){.contact-grid{grid-template-columns:repeat(2,1fr)}}

/* footer compact channels */
.footer-channels{display:flex;flex-direction:column;gap:6px;font-size:13px}
.footer-channels a{color:#cdd8e3;display:block;padding:2px 0}
.footer-channels a:hover{color:var(--accent)}

/* ===== Subpage (long-form) ===== */
.sp-hero{min-height:340px;display:flex;align-items:flex-end;color:#fff;background-size:cover;background-position:center;padding:48px 0 36px}
.sp-hero .container{width:100%}
.sp-back{color:#fff;opacity:.85;font-size:14px;text-decoration:none}
.sp-back:hover{opacity:1}
.sp-hero h1{font-size:34px;margin:10px 0 12px;font-weight:800}
.sp-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.sp-sub{font-size:16px;max-width:680px;opacity:.95}
.sp-intro p{font-size:16px;line-height:1.9;max-width:820px;color:var(--text)}
.sp-days{display:grid;gap:18px;max-width:900px;margin:0 auto}
.sp-day{display:grid;grid-template-columns:120px 1fr;gap:16px;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#fff}
.sp-day-head{background:var(--navy);color:#fff;padding:18px;text-align:center;display:flex;flex-direction:column;justify-content:center}
.sp-day-no{font-size:20px;font-weight:800;color:var(--accent)}
.sp-day-head h3{font-size:16px;margin-top:6px}
.sp-day-body{padding:18px}
.sp-day-img{width:100%;height:180px;object-fit:cover;border-radius:8px;margin-bottom:12px}
.sp-day-body p{color:var(--text-soft);line-height:1.8}
.sp-spots{margin:10px 0;padding-left:18px;color:var(--text-soft)}
.sp-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--navy);margin-top:8px}
.sp-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.sp-gallery img{width:100%;height:240px;object-fit:cover;border-radius:10px}
.sp-table{width:100%;border-collapse:collapse;max-width:680px;margin:0 auto}
.sp-table th,.sp-table td{border:1px solid var(--border);padding:12px 16px;text-align:left}
.sp-table th{background:var(--navy);color:#fff}
.sp-table tbody tr:nth-child(odd){background:#f6f8fb}
.sp-specs{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.sp-spec{border:1px solid var(--border);border-radius:10px;padding:18px;text-align:center;background:#fff}
.sp-spec-k{font-size:13px;color:var(--text-soft)}
.sp-spec-v{font-size:18px;font-weight:800;color:var(--navy);margin-top:6px}
.sp-cta{background:linear-gradient(135deg,var(--navy),var(--navy-dark));color:#fff}
.sp-cta h2{color:#fff}
@media(max-width:768px){.sp-day{grid-template-columns:1fr}.sp-gallery{grid-template-columns:1fr}.sp-specs{grid-template-columns:repeat(2,1fr)}.sp-hero h1{font-size:26px}}

/* ===== Float widgets ===== */
.float-bar{position:fixed;right:18px;bottom:90px;display:flex;flex-direction:column;gap:12px;z-index:900}
.float-btn{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:12px;text-align:center;color:#fff;box-shadow:var(--shadow);cursor:pointer;background:var(--navy)}
.float-btn.gold{background:var(--accent);color:#1c1c1c}

/* ===== Hero ===== */
.hero{height:calc(100vh - var(--header-h));min-height:480px;position:relative;overflow:hidden}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity .8s;display:flex;align-items:center;
  background-size:cover;background-position:center}
.hero-slide.active{opacity:1}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(19,41,63,.78),rgba(19,41,63,.35))}
.hero-content{position:relative;z-index:2;color:#fff;max-width:640px}
.hero-content{max-width:680px;text-align:left}
.hero-content h1{font-size:44px;line-height:1.18;margin-bottom:14px;font-weight:800;text-shadow:0 2px 12px rgba(0,0,0,.35)}
.hero-tagline{font-size:16px;letter-spacing:.5px;opacity:.92;margin-bottom:14px;font-weight:500}
.hero-sub{font-size:19px;opacity:.95;margin-bottom:26px;font-weight:400}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn-hero-outline{border:1.5px solid rgba(255,255,255,.85);color:#fff;background:rgba(0,0,0,.28);backdrop-filter:blur(2px)}
.btn-hero-outline:hover{background:rgba(0,0,0,.45);border-color:#fff}
.value-bar{background:var(--accent);color:#1c1c1c;text-align:center;font-size:18px;font-weight:700;
  padding:16px 20px;letter-spacing:1px}
@media(max-width:768px){.hero-content h1{font-size:30px}.hero-sub{font-size:16px}.value-bar{font-size:15px;padding:13px 14px}}

/* ===== Minimal store info bar ===== */
.store-info{background:#fff;text-align:center;padding:34px 20px;color:#1f2933}
.store-info .si-line{font-size:16px;line-height:1.9;color:#374151}
.store-info .si-icons{display:flex;gap:22px;justify-content:center;margin-top:18px}
.store-info .si-icons a{display:inline-flex;transition:.2s}
.store-info .si-icons a:hover{transform:translateY(-3px);opacity:.85}

/* ===== Cards grid ===== */
.grid{display:grid;gap:20px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:.2s}
.card:hover{transform:translateY(-4px)}
.card .thumb{height:180px;background:var(--bg-soft);object-fit:cover;width:100%}
.card .body{padding:16px}
.card .body h3{font-size:17px;color:var(--navy);margin-bottom:6px}
.card .meta{display:flex;gap:12px;color:var(--text-soft);font-size:13px;margin:8px 0}
.tag{display:inline-block;background:var(--bg-soft);color:var(--navy-light);font-size:12px;
  padding:3px 10px;border-radius:14px;margin:2px 4px 2px 0}
.price{color:var(--accent);font-weight:700}

/* ===== Services / advantages ===== */
.adv{background:var(--bg-soft)}
.adv-item{text-align:center;padding:24px}
.adv-icon{width:56px;height:56px;border-radius:50%;background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:24px;margin:0 auto 14px}
.adv-item h4{color:var(--navy);margin-bottom:8px}

/* ===== Reviews ===== */
.review{background:var(--bg-soft);border-radius:var(--radius);padding:20px}
.review .stars{color:var(--accent);margin-bottom:8px}
.review .who{margin-top:10px;font-size:13px;color:var(--text-soft)}

/* ===== Form ===== */
.form-card{max-width:560px;margin:0 auto;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:14px;color:var(--text-soft);margin-bottom:6px}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:11px 14px;border:1px solid var(--border);
  border-radius:8px;font-size:15px;font-family:inherit}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--navy)}

/* ===== Footer ===== */
.site-footer{background:var(--navy-dark);color:#cdd8e3;padding:40px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.footer-grid h4{color:#fff;margin-bottom:14px;font-size:15px}
.footer-grid a,.footer-grid li{color:#cdd8e3;font-size:14px;display:block;padding:4px 0}
.footer-grid a:hover{color:var(--accent)}
.footer-compliance{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding:18px 0;
  font-size:12.5px;color:#9fb1c4;display:flex;flex-wrap:wrap;gap:16px;justify-content:center;text-align:center}
.footer-compliance a{color:#9fb1c4;text-decoration:underline}
.footer-bottom{text-align:center;padding:14px 0;font-size:12px;color:#7d90a4;border-top:1px solid rgba(255,255,255,.08)}

/* ===== Detail page ===== */
.detail-hero{background:var(--navy);color:#fff;padding:30px 0}
.detail-hero h1{font-size:28px;margin-bottom:10px}
.detail-tags{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.detail-tags .tag{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.3)}
.detail-price{font-size:22px;color:var(--accent);font-weight:700;margin-top:8px}
.tabs{display:flex;gap:6px;border-bottom:2px solid var(--border);margin:24px 0}
.tabs button{background:none;border:none;padding:12px 18px;cursor:pointer;font-size:15px;color:var(--text-soft);
  border-bottom:3px solid transparent;font-weight:600}
.tabs button.active{color:var(--navy);border-bottom-color:var(--navy)}
.tab-panel{display:none;padding:10px 0 30px}
.tab-panel.active{display:block}
.day{border-left:3px solid var(--navy);padding:14px 0 14px 18px;margin-bottom:18px}
.day .d{font-weight:700;color:var(--navy);font-size:17px}
.day .spots{color:var(--navy-light);font-size:14px;margin:6px 0}
.day .line{font-size:14px;color:var(--text-soft)}
.includes li,.excludes li,.notes li{margin:6px 0 6px 18px}
.includes li{color:#1f7a4d}
.excludes li{color:#b3541e}
.faq-item{border:1px solid var(--border);border-radius:8px;margin-bottom:10px;overflow:hidden}
.faq-item summary{padding:14px 18px;cursor:pointer;font-weight:600;color:var(--navy);background:var(--bg-soft)}
.faq-item .ans{padding:0 18px 14px;color:var(--text-soft)}

/* ===== Responsive ===== */
@media(max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .nav,.header-actions .lang-btn{display:none}
  .hamburger{display:flex}
  .nav.open{display:flex;flex-direction:column;position:absolute;top:var(--header-h);left:0;right:0;
    background:#fff;border-bottom:1px solid var(--border);padding:10px;max-height:80vh;overflow:auto}
  .nav.open>li>a{padding:12px}
  .nav.open .submenu{position:static;box-shadow:none;border:none;padding-left:14px}
  .hero-content h1{font-size:30px}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:40px 0}
}