/* =============================================================================
   shturl. 全局样式 —— 现代极简旅行风 / 蓝绿渐变 / 毛玻璃卡片 / 新拟态轻交互
   设计原则：零第三方框架，纯原生 CSS；移动端 100% 自适应；体积精简利于 Brotli 压缩
   ============================================================================= */
:root{
  /* 主色：蓝绿渐变 */
  --c-brand:#0ea5a4;        /* teal */
  --c-brand-2:#2563eb;      /* blue */
  --grad:linear-gradient(135deg,var(--c-brand) 0%,var(--c-brand-2) 100%);
  --bg:#f4f8fb;
  --surface:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --line:#e2e8f0;
  --radius:16px;
  --shadow:0 6px 24px rgba(15,23,42,.08);
  --shadow-sm:0 2px 10px rgba(15,23,42,.06);
  --glass:rgba(255,255,255,.55);
  /* 新拟态 */
  --neu-light:#ffffff;
  --neu-dark:#dbe4ee;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text);background:var(--bg);line-height:1.65;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-radius:var(--radius)}
.container{max-width:1120px;margin:0 auto;padding:0 18px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border-radius:999px;
  font-weight:600;font-size:.95rem;border:0;cursor:pointer;transition:.2s;line-height:1}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--surface)}
.btn-lg{padding:14px 26px;font-size:1.05rem}
.btn-book{background:var(--grad);color:#fff}
.aff-tag{font-size:.65rem;font-weight:700;letter-spacing:.04em;opacity:.85;
  background:rgba(255,255,255,.25);padding:2px 6px;border-radius:6px;margin-left:4px}
.badge{font-size:.7rem;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--glass);
  border:1px solid var(--line);color:var(--muted)}
.badge-country{color:var(--c-brand-2);border-color:rgba(37,99,235,.25)}
.badge-mode{color:var(--c-brand);border-color:rgba(14,165,164,.25)}

/* ---------- 页头 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;gap:14px;height:64px;flex-wrap:wrap}
.brand{font-weight:800;font-size:1.3rem;background:var(--grad);-webkit-background-clip:text;
  background-clip:text;color:transparent}
.main-nav{display:flex;gap:6px;flex:1}
.nav-link{padding:8px 12px;border-radius:10px;color:var(--muted);font-weight:600;font-size:.92rem}
.nav-link:hover{background:var(--surface);color:var(--text)}
.lang-switch{display:flex;gap:6px}
.lang-btn{padding:6px 12px;border-radius:999px;border:1px solid var(--line);font-size:.82rem;color:var(--muted)}
.lang-btn:hover{background:var(--surface);color:var(--text)}
.site-search{padding:9px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  min-width:180px;font-size:.9rem;outline:none}
.site-search:focus{border-color:var(--c-brand)}

/* ---------- Hero ---------- */
.hero{padding:64px 0 40px;background:var(--grad);color:#fff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 80% 20%,rgba(255,255,255,.18),transparent 45%)}
.hero .container{position:relative;z-index:1}
.hero-title{font-size:clamp(1.8rem,4.4vw,3rem);font-weight:800;line-height:1.2;max-width:760px}
.hero-sub{margin:14px 0 24px;font-size:1.05rem;opacity:.95;max-width:620px}

/* ---------- 区块 ---------- */
.section{padding:44px 0}
.section-title{font-size:1.5rem;font-weight:800;margin-bottom:18px}
.section-sub{color:var(--muted);margin-bottom:18px}

/* ---------- 国家卡片 ---------- */
.country-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:16px}
.country-card{display:flex;flex-direction:column;gap:6px;padding:20px;border-radius:var(--radius);
  background:var(--surface);box-shadow:var(--shadow-sm);border:1px solid var(--line);transition:.2s}
.country-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.country-flag{font-size:1.8rem}
.country-name{font-weight:700}
.country-count{color:var(--muted);font-size:.85rem}

/* ---------- 线路网格（毛玻璃卡片） ---------- */
.route-grid,.guide-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.route-card{background:var(--glass);backdrop-filter:blur(8px);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.22s;display:flex;flex-direction:column}
.route-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.route-img{width:100%;height:170px;object-fit:cover}
.route-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.route-meta{display:flex;gap:6px}
.route-title{font-size:1.08rem;font-weight:700;line-height:1.3}
.route-line{color:var(--c-brand-2);font-weight:600;font-size:.9rem}
.route-summary{color:var(--muted);font-size:.88rem;flex:1}
.route-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:6px}
.route-price{font-weight:800;font-size:1.05rem;color:var(--c-brand)}

/* ---------- 筛选 ---------- */
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.chip{padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  color:var(--muted);font-weight:600;cursor:pointer;font-size:.88rem}
.chip.active,.chip:hover{background:var(--grad);color:#fff;border-color:transparent}

/* ---------- 任务墙 CTA ---------- */
.earn-cta{padding-bottom:60px}
.earn-box{background:var(--grad);color:#fff;border-radius:24px;padding:34px;text-align:center}
.earn-box h2{font-size:1.5rem;margin-bottom:8px}
.earn-box p{opacity:.95;margin-bottom:18px}

/* ---------- 详情页 ---------- */
.route-detail{max-width:820px;padding:32px 0 60px}
.breadcrumb{color:var(--muted);font-size:.85rem;margin-bottom:14px}
.breadcrumb a{color:var(--c-brand-2)}
.detail-head{margin-bottom:18px}
.detail-title{font-size:clamp(1.6rem,3.5vw,2.2rem);font-weight:800;margin:8px 0}
.route-stats{display:flex;gap:18px;color:var(--muted);font-weight:600;margin-top:8px}
.detail-img{width:100%;margin:10px 0 22px}
.detail-body{font-size:1.02rem}
.detail-body h2{margin:22px 0 10px;font-size:1.25rem}
.detail-body p{margin-bottom:12px}
.canonical-note{margin:18px 0;padding:12px 14px;background:var(--glass);border:1px dashed var(--line);
  border-radius:12px;font-size:.85rem;color:var(--muted)}
.canonical-note a{color:var(--c-brand-2);word-break:break-all}
.detail-body .btn-book{margin-top:10px}

/* ---------- 攻略卡 ---------- */
.guide-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:.2s}
.guide-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.guide-body{padding:16px}
.guide-body h3{font-size:1.05rem;margin-bottom:6px}
.guide-body p{color:var(--muted);font-size:.88rem}
.guide-date{color:var(--c-brand);font-size:.8rem;font-weight:600}

/* ---------- 法律页 ---------- */
.legal-page{max-width:820px;padding:36px 0 60px}
.legal-title{font-size:1.8rem;font-weight:800;margin-bottom:18px;
  padding-bottom:12px;border-bottom:2px solid var(--c-brand)}
.legal-body h2{margin:22px 0 8px;font-size:1.2rem}
.legal-body p,.legal-body li{margin-bottom:10px;color:#334155}
.legal-body a{color:var(--c-brand-2);text-decoration:underline}
.ad-slot{margin:28px 0;padding:14px;background:var(--glass);border:1px dashed var(--line);border-radius:12px;text-align:center}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:30px 0;margin-top:30px}
.disclaimer{color:var(--muted);font-size:.84rem;max-width:820px;margin-bottom:14px;line-height:1.6}
.footer-links{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:12px}
.footer-links a{color:var(--c-brand-2);font-size:.88rem}
.copyright{color:var(--muted);font-size:.8rem}

/* ---------- Cookie 弹窗 ---------- */
.cookie-consent{position:fixed;left:0;right:0;bottom:0;z-index:100;display:flex;justify-content:center;padding:16px}
.cookie-box{max-width:560px;width:100%;background:var(--surface);border-radius:18px;padding:20px;
  box-shadow:0 12px 40px rgba(15,23,42,.22);border:1px solid var(--line)}
.cookie-title{font-size:1.1rem;font-weight:800;margin-bottom:8px}
.cookie-text{font-size:.88rem;color:var(--muted);margin-bottom:14px}
.cookie-text a{color:var(--c-brand-2)}
.cookie-actions{display:flex;gap:10px;justify-content:flex-end}

.empty-hint{color:var(--muted);padding:20px 0;text-align:center}
.simple-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.simple-list a{color:var(--c-brand-2);font-weight:600}

/* ---------- 分页 ---------- */
.pagination{display:flex;gap:8px;justify-content:center;margin-top:26px;flex-wrap:wrap}
.pagination a,.pagination span{padding:8px 14px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--muted);font-weight:600}
.pagination .active{background:var(--grad);color:#fff;border-color:transparent}

/* ---------- 移动端适配 ---------- */
@media (max-width:720px){
  .nav-wrap{height:auto;padding:10px 0;gap:10px}
  .main-nav{order:3;width:100%;overflow-x:auto;flex-wrap:nowrap}
  .site-search{order:2;flex:1;min-width:0}
  .hero{padding:44px 0 30px}
  .route-grid,.guide-grid,.country-grid{grid-template-columns:1fr}
  .cookie-actions{justify-content:stretch}
  .cookie-actions .btn{flex:1;justify-content:center}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}