/* ============ jitapu 站点全局样式（响应式） ============ */
:root{
  --primary:#d97706;      /* 琥珀橙 */
  --primary-dark:#b45309;
  --bg:#f6f7f9;
  --card:#ffffff;
  --text:#1f2937;
  --text-sub:#6b7280;
  --border:#e5e7eb;
  --radius:10px;
  --shadow:0 2px 8px rgba(0,0,0,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);color:var(--text);font-size:15px;line-height:1.6;
}
a{color:var(--primary);text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 16px}

/* ---------- 顶部导航 ---------- */
.site-header{
  background:#fff;border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:100;box-shadow:0 1px 4px rgba(0,0,0,.04);
}
.header-inner{display:flex;align-items:center;gap:20px;height:60px;flex-wrap:wrap}
.logo{font-size:20px;font-weight:700;color:var(--primary);white-space:nowrap}
.main-nav{display:flex;gap:4px}
.main-nav a{padding:6px 14px;border-radius:20px;color:var(--text-sub);font-size:14px}
.main-nav a:hover{color:var(--primary);background:#fef3c7}
.main-nav a.on{color:#fff;background:var(--primary);font-weight:600}
.search-box{display:flex;flex:1;max-width:300px;min-width:180px}
.search-box input{
  flex:1;height:36px;padding:0 12px;border:1px solid var(--border);
  border-radius:18px 0 0 18px;outline:none;font-size:14px;
}
.search-box button{
  height:36px;padding:0 16px;border:none;background:var(--primary);color:#fff;
  border-radius:0 18px 18px 0;cursor:pointer;font-size:14px;
}
.user-box{display:flex;align-items:center;gap:12px;margin-left:auto;white-space:nowrap;font-size:14px}
.user-name{color:var(--text-sub);max-width:140px;overflow:hidden;text-overflow:ellipsis}
.btn-primary{background:var(--primary);color:#fff;padding:7px 16px;border-radius:18px;font-size:14px}

/* ---------- 列表 ---------- */
main.container{padding-top:24px;padding-bottom:40px;min-height:60vh}
.list-head{margin-bottom:16px;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.list-head h2{font-size:22px}
.list-head .count{font-size:13px;color:var(--text-sub);font-weight:400}
.search-tip{color:var(--text-sub);font-size:14px}

.song-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:18px;
}
.song-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s;
  display:block;color:var(--text);
}
.song-card:hover{transform:translateY(-3px);box-shadow:0 6px 16px rgba(0,0,0,.10)}
.thumb{position:relative;aspect-ratio:4/3;background:#f3f4f6;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb-ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:42px;color:#d1d5db;background:linear-gradient(135deg,#fdf6e3,#fde68a)}
.badge-dp{
  position:absolute;top:8px;left:8px;background:var(--primary);color:#fff;
  font-size:11px;padding:2px 8px;border-radius:10px;
}
.badge-nw{
  position:absolute;top:8px;right:8px;background:#16a34a;color:#fff;
  font-size:11px;padding:2px 8px;border-radius:10px;
}
.card-body{padding:10px 12px 12px}
.song-name{font-size:15px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.song-singer{font-size:13px;color:var(--text-sub);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.song-meta{display:flex;gap:10px;margin-top:6px;font-size:12px;color:var(--text-sub)}
.song-meta .views{margin-left:auto}

/* 分页 */
.pager{display:flex;justify-content:center;gap:8px;margin-top:28px;flex-wrap:wrap}
.pager a{min-width:36px;height:36px;padding:0 8px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--border);border-radius:8px;font-size:14px;color:var(--text-sub)}
.pager a.on{background:var(--primary);color:#fff;border-color:var(--primary)}
.empty{color:var(--text-sub);text-align:center;padding:60px 0}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--border);background:#fff;padding:24px 0;margin-top:20px}
.site-footer p{text-align:center;font-size:13px;color:var(--text-sub);margin-bottom:4px}

/* ---------- 表单页（登录/注册/找回） ---------- */
.auth-wrap{display:flex;align-items:flex-start;justify-content:center;padding:48px 16px;min-height:70vh}
.auth-card{width:100%;max-width:400px;background:#fff;border:1px solid var(--border);border-radius:14px;padding:30px 28px;box-shadow:var(--shadow)}
.auth-card h2{text-align:center;font-size:22px;margin-bottom:6px}
.auth-sub{text-align:center;color:var(--text-sub);font-size:13px;margin-bottom:22px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;color:var(--text-sub);margin-bottom:6px}
.form-group input,.form-group select{
  width:100%;height:42px;padding:0 12px;border:1px solid var(--border);
  border-radius:8px;outline:none;font-size:14px;background:#fff;
}
.form-group input:focus{border-color:var(--primary)}
.form-row{display:flex;gap:8px}
.form-row input{flex:1}
.form-row .btn-code{height:42px;padding:0 12px;white-space:nowrap;background:#f3f4f6;border:1px solid var(--border);border-radius:8px;cursor:pointer;font-size:13px;color:var(--text-sub)}
.form-row .btn-code:disabled{opacity:.6}
.btn-block{width:100%;height:44px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:15px;cursor:pointer;margin-top:6px}
.btn-block:disabled{opacity:.6;cursor:not-allowed}
.auth-links{display:flex;justify-content:space-between;margin-top:14px;font-size:13px}
.msg{font-size:13px;min-height:20px;margin-top:6px}
.msg.ok{color:#16a34a}
.msg.err{color:#dc2626}

/* ---------- 会员中心 / VIP ---------- */
.panel{background:#fff;border:1px solid var(--border);border-radius:14px;padding:26px;box-shadow:var(--shadow);margin-top:24px}
.panel h3{font-size:18px;margin-bottom:16px;border-bottom:1px solid var(--border);padding-bottom:10px}
.user-hero{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.user-hero .avatar{width:64px;height:64px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:26px}
.vip-badge{display:inline-block;background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;font-size:12px;padding:3px 10px;border-radius:12px;margin-left:8px}
.vip-tag{display:inline-block;background:#f3f4f6;color:var(--text-sub);font-size:12px;padding:3px 10px;border-radius:12px;margin-left:8px}
/* VIP 方案卡 */
.plan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:8px}
.plan-card{border:1px solid var(--border);border-radius:12px;padding:20px;text-align:center;background:#fff;position:relative}
.plan-card.hot{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary)}
.plan-card .plan-name{font-size:16px;font-weight:600}
.plan-card .plan-price{font-size:30px;font-weight:700;color:var(--primary);margin:8px 0}
.plan-card .plan-price small{font-size:13px;color:var(--text-sub);font-weight:400}
.plan-card .plan-days{color:var(--text-sub);font-size:13px;margin-bottom:14px}
.btn-buy{display:inline-block;padding:8px 28px;border-radius:20px;background:var(--primary);color:#fff;font-size:14px;cursor:pointer;border:none}
.btn-buy.ghost{background:#fff;color:var(--primary);border:1px solid var(--primary)}
/* 激活码输入 */
.code-row{display:flex;gap:8px;margin-top:20px;max-width:480px}
.code-row input{flex:1;height:44px;padding:0 12px;border:1px solid var(--border);border-radius:8px;font-size:15px;letter-spacing:2px;text-transform:uppercase;outline:none}
.code-row button{height:44px;padding:0 22px;background:var(--primary);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:14px}
/* 收藏列表 */
.fav-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}

/* ---------- 响应式 ---------- */
@media (max-width:768px){
  .header-inner{height:auto;padding:10px 16px;gap:10px}
  .logo{font-size:18px}
  .main-nav{order:3;width:100%;justify-content:center}
  .search-box{order:4;width:100%;max-width:none}
  .user-box{margin-left:auto}
  .song-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
  .auth-wrap{padding:24px 12px}
  .plan-grid{grid-template-columns:1fr}
}
@media (max-width:480px){
  .song-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .card-body{padding:8px}
  .song-name{font-size:13px}
}

/* ===== 首页分类/角标增强 ===== */
.badge-video{position:absolute;bottom:6px;right:6px;background:rgba(0,0,0,.7);color:#fff;font-size:11px;padding:2px 7px;border-radius:9px}
.song-meta span{white-space:nowrap}
/* ===== 首页板块（hero + 分区） ===== */
.hero{background:linear-gradient(135deg,#1f2937,#374151);color:#fff;padding:52px 0 46px;text-align:center}
.hero h1{font-size:32px;margin:0 0 12px;color:#fbbf24}
.hero p{color:#d1d5db;font-size:15px;max-width:640px;margin:0 auto 22px;line-height:1.6}
.hero-search{display:flex;max-width:520px;margin:0 auto 18px;gap:8px}
.hero-search input{flex:1;height:46px;border:none;border-radius:8px;padding:0 16px;font-size:15px;outline:none}
.hero-search button{height:46px;padding:0 26px;background:#d97706;color:#fff;border:none;border-radius:8px;font-size:15px;cursor:pointer}
.hero-links{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero-links a{color:#fbbf24;font-size:14px;text-decoration:none;border:1px solid #57534e;padding:6px 16px;border-radius:20px}
.hero-links a:hover{background:#d97706;color:#fff;border-color:#d97706}
.home-sec{margin:34px 0}
.sec-head{display:flex;align-items:baseline;gap:12px;margin-bottom:16px;border-bottom:2px solid #f0e9dd;padding-bottom:10px}
.sec-head h2{font-size:20px;color:#1f2937;margin:0}
.sec-sub{color:#9ca3af;font-size:12px}
.sec-head .more{margin-left:auto;color:#d97706;font-size:14px;text-decoration:none}
.sec-head .more:hover{text-decoration:underline}
@media (max-width:768px){
  .hero{padding:36px 14px 30px}
  .hero h1{font-size:24px}
  .hero-search{flex-direction:row}
  .hero-search input{min-width:0;flex:1}
  .hero-search button{flex:0 0 auto;padding:0 20px}
  .sec-head h2{font-size:17px}
}
/* ===== 导航汉堡 + 移动端自适应 ===== */
.nav-toggle{display:none;background:none;border:1px solid #d1d5db;border-radius:6px;font-size:20px;line-height:1;padding:6px 10px;cursor:pointer;color:#374151}
@media (max-width:768px){
  .nav-toggle{display:block;margin-left:auto}
  .header-inner{flex-wrap:wrap;position:relative}
  .header-inner .logo{margin-right:auto}
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:6px 0;border-top:1px solid #eee;box-shadow:0 6px 14px rgba(0,0,0,.08);z-index:200}
  body.nav-open .main-nav{display:flex}
  .main-nav a{display:block;padding:10px 16px;border-bottom:1px solid #f5f5f5}
  .main-nav a.on{background:#fdf3e3;color:#d97706}
  .header-inner .search-box{display:none}
  .user-box .btn-primary{padding:4px 10px;font-size:12px}
}
/* ---------- 技术文章 ---------- */
.art-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin-top:16px}
.art-card{display:block;background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;text-decoration:none;transition:box-shadow .2s}
.art-card:hover{box-shadow:0 4px 14px rgba(0,0,0,.08)}
.art-card h3{font-size:16px;color:#1f2937;margin:0 0 8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-sum{font-size:13px;color:var(--text-sub);line-height:1.6;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-meta{font-size:12px;color:#9ca3af}
.art-detail{background:#fff;border:1px solid var(--border);border-radius:12px;padding:26px 30px;margin-top:14px;max-width:860px}
.art-detail h1{font-size:24px;color:#1f2937;margin:0 0 10px;line-height:1.4}
.art-detail-meta{font-size:13px;color:#9ca3af;margin-bottom:12px}
.art-kw{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.art-kw span{background:#faf6ee;color:#7c5a1e;font-size:12px;padding:2px 10px;border-radius:12px}
.art-body{font-size:15px;color:#374151;line-height:1.9}
.art-body h2{font-size:19px;color:#1f2937;margin:24px 0 10px;padding-left:10px;border-left:4px solid var(--primary)}
.art-body h3{font-size:16px;color:#1f2937;margin:16px 0 8px}
.art-body p{margin:0 0 12px}
.art-body ul,.art-body ol{margin:0 0 12px;padding-left:22px}
.art-body li{margin-bottom:6px}
.art-related-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.art-related-item{display:flex;flex-direction:column;justify-content:space-between;background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px 14px;text-decoration:none;transition:box-shadow .2s}
.art-related-item:hover{box-shadow:0 4px 14px rgba(0,0,0,.08)}
.art-rel-name{font-size:14px;font-weight:600;color:#1f2937;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-rel-meta{font-size:12px;color:#9ca3af;margin-top:8px}
@media (max-width:768px){
  .art-detail{padding:18px 16px}
  .art-detail h1{font-size:20px}
  .art-body{font-size:15px}
}

/* vip contact buy */
.contact-buy{margin-top:16px;padding:14px;border:1px dashed var(--border);border-radius:10px;background:#fafafa;text-align:center}
.contact-buy h4{margin:0 0 10px;font-size:14px;color:var(--text-main)}
.contact-buy p{margin:8px 0 0;font-size:13px;color:var(--text-sub)}
.contact-buy p b{color:var(--primary);font-size:14px}
.contact-qr{max-width:160px;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.08)}