/* ============================================================
   星幕 VJ Studio —— 全局样式
   ============================================================ */
:root{
  --bg:#0a0c12;
  --bg-2:#0f1219;
  --panel:#141824;
  --panel-2:#1a1f2e;
  --line:#242b3d;
  --line-2:#2f384e;
  --text:#e8edf7;
  --muted:#8a93a8;
  --muted-2:#616b82;
  --primary:#7c3aed;
  --primary-2:#a855f7;
  --cyan:#06b6d4;
  --green:#22c55e;
  --red:#ef4444;
  --amber:#f59e0b;
  --grad:linear-gradient(120deg,#7c3aed,#06b6d4);
  --grad-2:linear-gradient(120deg,#a855f7,#06b6d4);
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 10px 40px rgba(0,0,0,.45);
  --shadow-sm:0 4px 16px rgba(0,0,0,.3);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font:14px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
img{max-width:100%;display:block}
::selection{background:rgba(124,58,237,.4)}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#2b3346;border-radius:5px}
::-webkit-scrollbar-thumb:hover{background:#3a4459}

/* ---------- 布局 ---------- */
.container{max-width:1240px;margin:0 auto;padding:0 22px}
.container-wide{max-width:1560px;margin:0 auto;padding:0 22px}
.row{display:flex;gap:14px}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:14px}
.col{display:flex;flex-direction:column}
.center{display:flex;align-items:center}
.gap8{gap:8px}.gap12{gap:12px}.gap16{gap:16px}.gap20{gap:20px}
.mt8{margin-top:8px}.mt12{margin-top:12px}.mt16{margin-top:16px}.mt24{margin-top:24px}.mt32{margin-top:32px}
.mb8{margin-bottom:8px}.mb12{margin-bottom:12px}.mb16{margin-bottom:16px}.mb24{margin-bottom:24px}
.flex1{flex:1;min-width:0}
.text-muted{color:var(--muted)}
.text-sm{font-size:13px}
.text-xs{font-size:12px}
.hidden{display:none!important}
.nowrap{white-space:nowrap}
.tc{text-align:center}
.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}

/* ---------- 导航 ---------- */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(10,12,18,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:62px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:.3px}
.brand .logo{
  width:32px;height:32px;border-radius:9px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;font-size:16px;
  box-shadow:0 4px 14px rgba(124,58,237,.4);
}
.brand em{font-style:normal;background:var(--grad-2);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:8px 14px;border-radius:9px;color:var(--muted);font-size:14px;transition:.16s}
.nav-links a:hover{color:var(--text);background:var(--panel)}
.nav-links a.active{color:var(--text);background:var(--panel-2)}
.nav-right{display:flex;align-items:center;gap:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:10px 18px;border:1px solid transparent;border-radius:10px;
  background:var(--panel-2);color:var(--text);font-size:14px;font-weight:500;
  cursor:pointer;transition:.16s;white-space:nowrap;line-height:1.2;
}
.btn:hover{background:#232a3d;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-primary{background:var(--grad);color:#fff;font-weight:600;box-shadow:0 6px 20px rgba(124,58,237,.32)}
.btn-primary:hover{box-shadow:0 8px 26px rgba(124,58,237,.45);background:var(--grad)}
.btn-ghost{background:transparent;border-color:var(--line-2)}
.btn-ghost:hover{background:var(--panel)}
.btn-danger{background:rgba(239,68,68,.14);color:#ff8b8b;border-color:rgba(239,68,68,.3)}
.btn-danger:hover{background:rgba(239,68,68,.22)}
.btn-sm{padding:7px 13px;font-size:13px;border-radius:8px}
.btn-xs{padding:5px 10px;font-size:12px;border-radius:7px}
.btn-block{width:100%}
.btn-lg{padding:13px 26px;font-size:15px;border-radius:12px}

/* ---------- 卡片 ---------- */
.card{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;
}
.card-tight{padding:16px}
.card-title{font-size:15px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.card-title::before{content:'';width:4px;height:15px;background:var(--grad);border-radius:2px}
.card-title.no-bar::before{display:none}

/* ---------- 表单 ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;font-weight:500}
.input,.select,.textarea{
  width:100%;padding:11px 14px;background:var(--bg-2);
  border:1px solid var(--line-2);border-radius:var(--radius-sm);
  color:var(--text);outline:none;transition:.16s;
}
.input:focus,.select:focus,.textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(124,58,237,.15)}
.textarea{resize:vertical;min-height:90px;line-height:1.6}
.select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238a93a8' d='M6 8L2 4h8z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px;cursor:pointer}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.form-hint{font-size:12px;color:var(--muted-2);margin-top:6px}

/* ---------- 徽标 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;font-size:12px;font-weight:500;line-height:1.6}
.badge-primary{background:rgba(124,58,237,.18);color:#c4a8ff}
.badge-cyan{background:rgba(6,182,212,.16);color:#67e0f0}
.badge-green{background:rgba(34,197,94,.16);color:#6ee7a0}
.badge-red{background:rgba(239,68,68,.16);color:#ff9b9b}
.badge-amber{background:rgba(245,158,11,.16);color:#fcd34d}
.badge-gray{background:var(--panel-2);color:var(--muted)}
.tag{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11px;background:var(--panel-2);color:var(--muted)}

/* ---------- 积分显示 ---------- */
.credits-chip{
  display:inline-flex;align-items:center;gap:7px;padding:7px 13px;
  background:rgba(124,58,237,.13);border:1px solid rgba(124,58,237,.28);
  border-radius:20px;font-weight:600;color:#c4a8ff;font-size:13px;cursor:pointer;transition:.16s;
}
.credits-chip:hover{background:rgba(124,58,237,.22)}
.credits-chip .n{color:#fff}

/* ---------- 头像菜单 ---------- */
.avatar{width:34px;height:34px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px;color:#fff;cursor:pointer}
.dropdown{position:relative}
.dropdown-menu{
  position:absolute;right:0;top:calc(100% + 10px);min-width:180px;
  background:var(--panel-2);border:1px solid var(--line-2);border-radius:12px;
  padding:7px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(-6px);transition:.18s;z-index:200;
}
.dropdown.open .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu a{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:8px;color:var(--muted);font-size:13px}
.dropdown-menu a:hover{background:var(--panel);color:var(--text)}
.dropdown-menu hr{border:0;border-top:1px solid var(--line);margin:6px 4px}

/* ---------- 提示 / Toast ---------- */
#toast-wrap{position:fixed;top:78px;right:22px;z-index:9999;display:flex;flex-direction:column;gap:10px}
.toast{
  min-width:230px;max-width:380px;padding:13px 17px;border-radius:11px;
  background:var(--panel-2);border:1px solid var(--line-2);box-shadow:var(--shadow);
  font-size:13.5px;animation:slideIn .26s ease;display:flex;align-items:flex-start;gap:10px;
}
.toast.ok{border-color:rgba(34,197,94,.45)}
.toast.err{border-color:rgba(239,68,68,.45)}
.toast.warn{border-color:rgba(245,158,11,.45)}
@keyframes slideIn{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:none}}

/* ---------- 弹窗 ---------- */
.modal-mask{
  position:fixed;inset:0;background:rgba(5,7,12,.72);backdrop-filter:blur(4px);
  z-index:1000;display:none;align-items:center;justify-content:center;padding:20px;
}
.modal-mask.open{display:flex}
.modal{
  background:var(--panel);border:1px solid var(--line-2);border-radius:18px;
  padding:26px;width:100%;max-width:460px;box-shadow:var(--shadow);animation:pop .22s ease;
  max-height:90vh;overflow:auto;
}
@keyframes pop{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}
.modal h3{font-size:17px;margin-bottom:18px}
.modal-close{position:absolute;top:16px;right:18px;cursor:pointer;color:var(--muted);font-size:20px}

/* ---------- 表格 ---------- */
.table{width:100%;border-collapse:collapse;font-size:13.5px}
.table th{text-align:left;padding:11px 12px;color:var(--muted);font-weight:500;font-size:12.5px;border-bottom:1px solid var(--line);white-space:nowrap}
.table td{padding:13px 12px;border-bottom:1px solid var(--line)}
.table tr:last-child td{border-bottom:0}
.table tbody tr:hover{background:rgba(255,255,255,.018)}
.table-wrap{overflow-x:auto}

/* ---------- 空状态 ---------- */
.empty{padding:50px 20px;text-align:center;color:var(--muted-2)}
.empty .icon{font-size:42px;margin-bottom:14px;opacity:.6}

/* ---------- 进度条 ---------- */
.progress{height:7px;background:var(--panel-2);border-radius:5px;overflow:hidden}
.progress-bar{height:100%;background:var(--grad);border-radius:5px;transition:width .3s ease}

/* ---------- 分页 ---------- */
.pager{display:flex;gap:7px;justify-content:center;margin-top:20px;flex-wrap:wrap}
.pager button{padding:7px 13px;border-radius:8px;background:var(--panel-2);border:1px solid var(--line);color:var(--muted);cursor:pointer;font-size:13px}
.pager button.active{background:var(--grad);color:#fff;border-color:transparent}
.pager button:disabled{opacity:.4;cursor:not-allowed}

/* ---------- 落地页 Hero ---------- */
.hero{position:relative;padding:90px 0 70px;overflow:hidden}
.hero::before{
  content:'';position:absolute;top:-260px;left:50%;transform:translateX(-50%);
  width:900px;height:600px;background:radial-gradient(ellipse,rgba(124,58,237,.32),transparent 68%);
  filter:blur(30px);pointer-events:none;
}
.hero::after{
  content:'';position:absolute;top:120px;right:-140px;width:520px;height:420px;
  background:radial-gradient(ellipse,rgba(6,182,212,.2),transparent 68%);filter:blur(30px);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;text-align:center;max-width:820px;margin:0 auto}
.hero h1{font-size:clamp(30px,5vw,50px);line-height:1.2;font-weight:800;letter-spacing:-.5px;margin-bottom:20px}
.hero h1 em{font-style:normal;background:var(--grad-2);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:16px;color:var(--muted);max-width:620px;margin:0 auto 32px;line-height:1.8}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 15px;border-radius:20px;background:var(--panel);border:1px solid var(--line-2);font-size:13px;color:var(--muted);margin-bottom:24px}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}

/* ---------- 特性网格 ---------- */
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:960px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.feature{padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);transition:.2s}
.feature:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.feature .fi{width:44px;height:44px;border-radius:12px;background:rgba(124,58,237,.14);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:15px}
.feature h3{font-size:15.5px;margin-bottom:8px}
.feature p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- 套餐卡 ---------- */
.pkg{position:relative;padding:24px 20px;background:var(--panel);border:1.5px solid var(--line);border-radius:16px;text-align:center;cursor:pointer;transition:.2s}
.pkg:hover{border-color:var(--line-2);transform:translateY(-3px)}
.pkg.selected{border-color:var(--primary);background:rgba(124,58,237,.07);box-shadow:0 0 0 3px rgba(124,58,237,.12)}
.pkg .hot{position:absolute;top:-1px;right:-1px;background:var(--grad);color:#fff;font-size:11px;padding:4px 12px;border-radius:0 16px 0 12px;font-weight:600}
.pkg h4{font-size:15px;margin-bottom:14px;color:var(--muted)}
.pkg .amount{font-size:34px;font-weight:800;line-height:1;background:var(--grad-2);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.pkg .amount small{font-size:14px;font-weight:500;color:var(--muted);-webkit-text-fill-color:var(--muted);margin-left:3px}
.pkg .bonus{font-size:12.5px;color:var(--green);margin-top:8px;min-height:19px}
.pkg .price{margin-top:16px;padding-top:15px;border-top:1px solid var(--line);font-size:19px;font-weight:700}
.pkg .price small{font-size:12px;color:var(--muted);font-weight:400}

/* ---------- 支付方式 ---------- */
.pay-method{display:flex;align-items:center;gap:12px;padding:15px 17px;border:1.5px solid var(--line);border-radius:12px;cursor:pointer;transition:.16s}
.pay-method:hover{border-color:var(--line-2)}
.pay-method.selected{border-color:var(--primary);background:rgba(124,58,237,.07)}
.pay-method .pi{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:17px;background:var(--panel-2)}

/* ---------- 页面头 ---------- */
.page-head{padding:32px 0 26px;border-bottom:1px solid var(--line);margin-bottom:28px}
.page-head h1{font-size:24px;font-weight:700;margin-bottom:6px}
.page-head p{color:var(--muted);font-size:14px}

/* ---------- 侧栏布局 ---------- */
.side-layout{display:grid;grid-template-columns:210px 1fr;gap:26px;align-items:start}
@media(max-width:860px){.side-layout{grid-template-columns:1fr}}
.side-nav{position:sticky;top:86px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:10px}
.side-nav a{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:9px;color:var(--muted);font-size:14px;transition:.16s}
.side-nav a:hover{background:var(--panel-2);color:var(--text)}
.side-nav a.active{background:var(--grad);color:#fff;font-weight:500}

/* ---------- 步骤条 ---------- */
.steps{display:flex;align-items:center;gap:6px;margin-bottom:24px;flex-wrap:wrap}
.step{display:flex;align-items:center;gap:9px;padding:8px 14px;border-radius:10px;background:var(--panel);border:1px solid var(--line);font-size:13px;color:var(--muted)}
.step .n{width:21px;height:21px;border-radius:50%;background:var(--panel-2);display:flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:600}
.step.active{color:var(--text);border-color:var(--primary);background:rgba(124,58,237,.1)}
.step.active .n{background:var(--grad);color:#fff}
.step.done{color:var(--green);border-color:rgba(34,197,94,.3)}
.step.done .n{background:rgba(34,197,94,.2);color:var(--green)}

/* ---------- 上传区 ---------- */
.dropzone{
  border:2px dashed var(--line-2);border-radius:16px;padding:52px 26px;text-align:center;
  cursor:pointer;transition:.2s;background:rgba(255,255,255,.012);
}
.dropzone:hover,.dropzone.drag{border-color:var(--primary);background:rgba(124,58,237,.06)}
.dropzone .dz-icon{font-size:46px;margin-bottom:16px;opacity:.85}
.dropzone h3{font-size:16px;margin-bottom:8px}
.dropzone p{color:var(--muted);font-size:13px}

/* ---------- 工作室 ---------- */
.studio-grid{display:grid;grid-template-columns:1fr 380px;gap:20px;align-items:start}
@media(max-width:1100px){.studio-grid{grid-template-columns:1fr}}
.preview-wrap{background:#000;border-radius:14px;overflow:hidden;border:1px solid var(--line);position:relative;aspect-ratio:16/9}
.preview-wrap.vertical{aspect-ratio:9/16;max-width:420px;margin:0 auto}
.preview-wrap canvas{width:100%;height:100%;display:block}
.preview-badge{position:absolute;top:12px;left:12px;background:rgba(0,0,0,.6);backdrop-filter:blur(6px);padding:5px 11px;border-radius:7px;font-size:11.5px;color:#cbd5e1;letter-spacing:.5px}

/* 歌词编辑器 */
.lyric-list{max-height:460px;overflow-y:auto;padding-right:5px}
.lyric-item{display:flex;gap:10px;padding:9px 11px;border-radius:9px;border:1px solid transparent;transition:.14s;align-items:flex-start}
.lyric-item:hover{background:var(--panel-2)}
.lyric-item.active{background:rgba(124,58,237,.13);border-color:rgba(124,58,237,.35)}
.lyric-item .t{width:64px;flex-shrink:0;font-family:ui-monospace,monospace;font-size:12px;color:var(--cyan);padding-top:8px;cursor:pointer}
.lyric-item .t:hover{text-decoration:underline}
.lyric-item .txt{flex:1;background:transparent;border:0;color:var(--text);padding:6px 8px;border-radius:6px;outline:none;resize:none;line-height:1.5;font-size:13.5px;min-height:34px}
.lyric-item .txt:focus{background:var(--bg-2);box-shadow:0 0 0 2px rgba(124,58,237,.3)}
.lyric-item .del{color:var(--muted-2);cursor:pointer;padding:6px 8px;font-size:15px;opacity:0;transition:.14s}
.lyric-item:hover .del{opacity:1}
.lyric-item .del:hover{color:var(--red)}

/* 样式选择器 */
.style-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.style-item{padding:13px 11px;border:1.5px solid var(--line);border-radius:11px;cursor:pointer;transition:.16s;text-align:center}
.style-item:hover{border-color:var(--line-2)}
.style-item.selected{border-color:var(--primary);background:rgba(124,58,237,.09)}
.style-item .si-name{font-size:13px;font-weight:500;margin-bottom:3px}
.style-item .si-desc{font-size:11.5px;color:var(--muted-2);line-height:1.4}

/* 播放控制 */
.player{display:flex;align-items:center;gap:14px;padding:14px 18px;background:var(--panel);border:1px solid var(--line);border-radius:12px}
.player .play-btn{width:40px;height:40px;border-radius:50%;background:var(--grad);border:0;color:#fff;font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.player .time{font-family:ui-monospace,monospace;font-size:12.5px;color:var(--muted);white-space:nowrap}
.player input[type=range]{flex:1;accent-color:var(--primary);height:4px}

/* ---------- 认证页 ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:30px 20px;position:relative;overflow:hidden}
.auth-wrap::before{content:'';position:absolute;top:-200px;left:50%;transform:translateX(-50%);width:700px;height:500px;background:radial-gradient(ellipse,rgba(124,58,237,.28),transparent 68%);filter:blur(30px)}
.auth-card{position:relative;z-index:2;width:100%;max-width:410px;background:var(--panel);border:1px solid var(--line-2);border-radius:20px;padding:36px 32px;box-shadow:var(--shadow)}
.auth-card h2{font-size:22px;margin-bottom:7px;text-align:center}
.auth-card .sub{text-align:center;color:var(--muted);font-size:13.5px;margin-bottom:26px}

/* ---------- 二维码 ---------- */
.qr-box{text-align:center;padding:24px;background:#fff;border-radius:14px;display:inline-block}
.qr-box img,.qr-box canvas{width:210px;height:210px;display:block}

/* ---------- 分割 ---------- */
.divider{height:1px;background:var(--line);margin:20px 0}

/* ---------- 页脚 ---------- */
.footer{border-top:1px solid var(--line);padding:34px 0;margin-top:60px;color:var(--muted-2);font-size:13px}
.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}

/* ---------- 加载 ---------- */
.spinner{width:17px;height:17px;border:2px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.skeleton{background:linear-gradient(90deg,var(--panel) 25%,var(--panel-2) 50%,var(--panel) 75%);background-size:200% 100%;animation:shimmer 1.4s infinite;border-radius:8px}
@keyframes shimmer{to{background-position:-200% 0}}