/* =====================================================================
 * 幻映 AI · Huanying AI — 深色主题样式
 * 紫蓝渐变 + 玻璃拟态 + 响应式
 * ===================================================================*/
:root{
  --bg:#0a0b12; --bg2:#10121c; --panel:#141725; --panel2:#191d30;
  --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.16);
  --ink:#f2f3f8; --muted:#9aa0b5; --dim:#6b7186;
  --p1:#7c5cff; --p2:#00d4ff; --pink:#ff5cae;
  --grad:linear-gradient(135deg,#7c5cff,#00d4ff);
  --grad2:linear-gradient(135deg,#ff5cae,#7c5cff);
  --radius:14px;
  --shadow:0 10px 40px rgba(0,0,0,.45);
  font-size:15px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg); color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea,select{font-family:inherit;}
img{max-width:100%;display:block;}
.hidden{display:none !important;}
.pc-only{display:inline;}
em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}

/* ---------- 通用按钮 ---------- */
.btn-primary{
  background:var(--grad); color:#fff; font-weight:600; font-size:14.5px;
  padding:11px 24px; border-radius:11px; letter-spacing:.5px;
  transition:transform .18s, box-shadow .18s, opacity .18s;
  box-shadow:0 6px 22px rgba(124,92,255,.35);
}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 10px 28px rgba(124,92,255,.5);}
.btn-primary:active{transform:translateY(0);}
.btn-primary.sm{padding:8px 16px;font-size:13px;border-radius:9px;}
.btn-primary.wide{width:100%;margin-top:14px;}
.btn-primary:disabled{opacity:.55;cursor:not-allowed;transform:none;}
.btn-ghost{
  border:1px solid var(--line2); color:var(--ink); font-size:14px;
  padding:10px 20px; border-radius:11px; transition:border-color .18s, background .18s;
}
.btn-ghost:hover{border-color:var(--p1); background:rgba(124,92,255,.1);}
.btn-ghost.sm{padding:7px 14px;font-size:13px;border-radius:9px;}
.btn-ghost.wide{width:100%;margin-top:12px;}

/* ---------- 顶部导航 ---------- */
.topbar{
  position:fixed; inset:0 0 auto 0; z-index:200; height:62px;
  display:flex; align-items:center; gap:26px; padding:0 26px;
  background:rgba(10,11,18,.72); backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-logo{width:32px;height:32px;border-radius:8px;box-shadow:0 0 18px rgba(124,92,255,.5);}
.brand-name{font-size:19px;font-weight:800;letter-spacing:1px;}
.brand-name i{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-left:2px;}
.brand-name.lg{font-size:24px;}
.topnav{display:flex;gap:6px;flex:1;}
.topnav a{padding:8px 14px;border-radius:9px;font-size:14px;color:var(--muted);transition:color .15s,background .15s;}
.topnav a:hover{color:var(--ink);}
.topnav a.active{color:var(--ink);background:rgba(255,255,255,.06);}
.top-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.credits-chip{
  display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--ink);
  border:1px solid var(--line2);border-radius:999px;padding:6px 13px;background:rgba(255,255,255,.04);
}
.credits-chip b{color:#ffd257;}
.credits-chip.flat{border:none;background:rgba(255,255,255,.05);cursor:default;}
.lang-btn{font-size:13px;font-weight:700;color:var(--p2);border:1px solid rgba(0,212,255,.35);border-radius:999px;padding:6px 12px;}
.lang-btn:hover{background:rgba(0,212,255,.1);}
.menu-btn{display:none;font-size:20px;padding:6px 10px;}
.mobile-menu{
  display:none; position:fixed; top:62px; left:0; right:0; z-index:199;
  background:rgba(12,13,22,.97); border-bottom:1px solid var(--line); padding:14px 20px 20px;
  flex-direction:column; gap:4px;
}
.mobile-menu a{padding:12px 10px;border-radius:9px;font-size:15px;}
.mobile-menu a:hover{background:rgba(255,255,255,.06);}
.mobile-menu .btn-primary{margin-top:10px;text-align:center;}
.mobile-menu.open{display:flex;}

/* ---------- Hero ---------- */
.view-home{padding-top:62px;}
.hero{position:relative;padding:86px 20px 70px;text-align:center;overflow:hidden;}
.hero-bg{position:absolute;inset:0;pointer-events:none;}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;}
.o1{width:520px;height:520px;background:#5b3df0;top:-160px;left:8%;}
.o2{width:420px;height:420px;background:#0090ff;top:6%;right:4%;opacity:.35;}
.o3{width:340px;height:340px;background:#c026a3;bottom:-120px;left:38%;opacity:.22;}
.hero-bg .grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 70% 62% at 50% 38%,#000 30%,transparent 72%);
          mask-image:radial-gradient(ellipse 70% 62% at 50% 38%,#000 30%,transparent 72%);
}
.hero-in{position:relative;max-width:860px;margin:0 auto;}
.hero-badge{
  display:inline-block;font-size:13px;color:#cfd3ff;letter-spacing:1px;
  border:1px solid rgba(124,92,255,.4); background:rgba(124,92,255,.12);
  border-radius:999px;padding:7px 18px;margin-bottom:26px;
}
.hero-title{font-size:clamp(34px,5.6vw,58px);line-height:1.22;font-weight:800;letter-spacing:1px;}
.hero-sub{color:var(--muted);font-size:clamp(14px,1.8vw,17px);margin:20px 0 34px;line-height:1.9;}

/* 输入框 */
.prompt-box{
  max-width:720px;margin:0 auto;text-align:left;
  background:rgba(20,23,37,.82); border:1px solid var(--line2); border-radius:18px;
  box-shadow:var(--shadow); backdrop-filter:blur(14px);
  transition:border-color .2s;
}
.prompt-box:focus-within{border-color:rgba(124,92,255,.65);}
.prompt-box textarea{
  width:100%;background:none;border:none;outline:none;resize:none;color:var(--ink);
  font-size:15px;line-height:1.8;padding:18px 20px 8px;
}
.prompt-box textarea::placeholder{color:var(--dim);}
.prompt-foot{display:flex;align-items:center;gap:12px;padding:10px 14px 14px;flex-wrap:wrap;}
.mode-tabs{display:flex;gap:6px;flex-wrap:wrap;flex:1;}
.mode-tabs button{
  font-size:12.5px;color:var(--muted);border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;transition:all .16s;white-space:nowrap;
}
.mode-tabs button:hover{color:var(--ink);border-color:var(--line2);}
.mode-tabs button.active{color:#fff;background:rgba(124,92,255,.22);border-color:rgba(124,92,255,.55);}
.hero-meta{display:flex;justify-content:center;align-items:center;gap:16px;margin-top:30px;flex-wrap:wrap;}
.hero-stats{color:var(--muted);font-size:13.5px;}
.hero-stats b{color:var(--ink);font-size:16px;margin-right:4px;}
.hero-meta i{width:1px;height:14px;background:var(--line2);}

/* ---------- 通用 Section ---------- */
section{padding:70px 20px;}
.sec-title{text-align:center;font-size:clamp(24px,3.4vw,34px);font-weight:800;letter-spacing:1px;}
.sec-sub{text-align:center;color:var(--muted);font-size:14.5px;margin:14px 0 44px;}
.wrap{max-width:1080px;margin:0 auto;}

/* ---------- 模板 ---------- */
.tpl-grid{max-width:1140px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.tpl-card{
  position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);
  cursor:pointer;transition:transform .22s,border-color .22s,box-shadow .22s;text-align:left;
}
.tpl-card:hover{transform:translateY(-5px);border-color:rgba(124,92,255,.55);box-shadow:0 14px 40px rgba(0,0,0,.5);}
.tpl-card img{width:100%;height:180px;object-fit:cover;transition:transform .5s;}
.tpl-card:hover img{transform:scale(1.06);}
.tpl-body{padding:14px 16px 16px;background:var(--panel);}
.tpl-tag{font-size:11.5px;color:var(--p2);letter-spacing:1px;}
.tpl-name{font-size:16.5px;font-weight:700;margin:5px 0 4px;}
.tpl-go{font-size:12.5px;color:var(--dim);}
.tpl-card:hover .tpl-go{color:var(--p1);}

/* ---------- 功能 ---------- */
.feat-grid{max-width:1140px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.feat-card{
  background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px 20px;
  transition:transform .2s,border-color .2s;
}
.feat-card:hover{transform:translateY(-4px);border-color:rgba(0,212,255,.4);}
.feat-ico{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:22px;background:linear-gradient(135deg,rgba(124,92,255,.22),rgba(0,212,255,.16));
  border:1px solid rgba(124,92,255,.3);margin-bottom:14px;
}
.feat-card b{display:block;font-size:15.5px;margin-bottom:8px;}
.feat-card p{font-size:13px;color:var(--muted);line-height:1.75;}

/* ---------- 七步流水线 ---------- */
.pipe-sec{background:linear-gradient(180deg,transparent,rgba(124,92,255,.05) 30%,transparent);}
.pipe-wrap{max-width:900px;margin:0 auto;display:grid;grid-template-columns:repeat(7,1fr);gap:10px;position:relative;}
.pipe-wrap::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,#7c5cff,#00d4ff);opacity:.4;
}
.pipe-step{text-align:center;position:relative;z-index:1;}
.pipe-ico{
  width:54px;height:54px;border-radius:50%;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;
  font-size:23px;background:var(--panel2);border:1px solid var(--line2);
  box-shadow:0 0 0 5px var(--bg);transition:all .2s;
}
.pipe-step:hover .pipe-ico{border-color:var(--p1);box-shadow:0 0 0 5px var(--bg),0 0 22px rgba(124,92,255,.4);}
.pipe-step b{display:block;font-size:13.5px;}
.pipe-step span{font-size:11px;color:var(--dim);}
.pipe-num{font-size:10.5px;color:var(--p2);letter-spacing:1px;display:block;margin-bottom:4px;}

/* ---------- 作品展示 ---------- */
.show-grid{max-width:1140px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.show-card{border-radius:16px;overflow:hidden;border:1px solid var(--line);cursor:pointer;position:relative;transition:transform .22s,border-color .22s;}
.show-card:hover{transform:translateY(-5px);border-color:rgba(255,92,174,.5);}
.show-card img{width:100%;height:230px;object-fit:cover;}
.show-info{position:absolute;left:0;right:0;bottom:0;padding:34px 14px 12px;background:linear-gradient(transparent,rgba(6,7,12,.92));}
.show-name{font-size:14.5px;font-weight:700;}
.show-prompt{font-size:11.5px;color:var(--muted);margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.show-tag{position:absolute;top:10px;left:10px;font-size:11px;background:rgba(10,11,18,.75);backdrop-filter:blur(6px);border:1px solid var(--line2);border-radius:999px;padding:4px 11px;}

/* ---------- 模型 ---------- */
.model-grid{max-width:1140px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.model-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px;transition:border-color .2s;}
.model-card:hover{border-color:rgba(124,92,255,.45);}
.model-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.model-top b{font-size:15.5px;}
.free-tag{font-size:11px;color:#3ddc84;border:1px solid rgba(61,220,132,.4);border-radius:999px;padding:3px 10px;background:rgba(61,220,132,.08);}
.pay-tag{font-size:11px;color:#ffd257;border:1px solid rgba(255,210,87,.35);border-radius:999px;padding:3px 10px;background:rgba(255,210,87,.07);}
.model-card p{font-size:13px;color:var(--muted);line-height:1.75;min-height:44px;}
.model-meta{display:flex;gap:14px;margin-top:14px;padding-top:12px;border-top:1px solid var(--line);}
.model-meta span{font-size:12px;color:var(--dim);}
.model-meta b{color:var(--ink);font-weight:600;}

/* ---------- 定价 ---------- */
.price-sec{background:radial-gradient(ellipse 60% 50% at 50% 0%,rgba(124,92,255,.08),transparent);}
.price-grid{max-width:1020px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch;}
.price-card{
  background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:28px 24px;
  display:flex;flex-direction:column;position:relative;transition:transform .2s;
}
.price-card.hot{border:1.5px solid rgba(124,92,255,.7);box-shadow:0 0 44px rgba(124,92,255,.18);transform:scale(1.03);}
.hot-badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--grad2);color:#fff;font-size:12px;font-weight:700;border-radius:999px;padding:5px 16px;letter-spacing:2px;
}
.price-name{font-size:16px;color:var(--muted);}
.price-val{font-size:38px;font-weight:800;margin:10px 0 2px;}
.price-val small{font-size:14px;color:var(--dim);font-weight:400;}
.price-feat{margin:18px 0 22px;flex:1;}
.price-feat li{list-style:none;font-size:13.5px;color:var(--muted);padding:6px 0;display:flex;gap:9px;align-items:flex-start;}
.price-feat li::before{content:"✓";color:#3ddc84;font-weight:700;flex-shrink:0;}
.price-note{text-align:center;color:var(--dim);font-size:13px;margin-top:26px;}
.price-note a{color:var(--p2);}

/* ---------- FAQ ---------- */
.faq-list{max-width:760px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:14px;margin-bottom:12px;background:var(--panel);overflow:hidden;}
.faq-q{
  width:100%;text-align:left;padding:17px 20px;font-size:15px;font-weight:600;
  display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.faq-q::after{content:"+";font-size:19px;color:var(--p1);transition:transform .2s;}
.faq-item.open .faq-q::after{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 20px 18px;font-size:13.5px;color:var(--muted);line-height:1.9;}
.faq-item.open .faq-a{max-height:220px;}

/* ---------- 页脚 ---------- */
.foot{border-top:1px solid var(--line);background:var(--bg2);padding:50px 20px 0;}
.foot-in{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1.6fr;gap:30px;}
.foot-brand p{color:var(--dim);font-size:13px;margin-top:10px;}
.foot-col{display:flex;flex-direction:column;gap:9px;}
.foot-col b{font-size:13.5px;margin-bottom:4px;}
.foot-col a,.foot-col span{font-size:12.5px;color:var(--dim);cursor:pointer;transition:color .15s;}
.foot-col a:hover{color:var(--ink);}
.foot-bar{max-width:1080px;margin:36px auto 0;padding:16px 0 20px;border-top:1px solid var(--line);color:var(--dim);font-size:12px;text-align:center;}

/* ======================= 创作台 ======================= */
.studio{position:fixed;inset:0;top:0;display:flex;z-index:150;background:var(--bg);padding-top:62px;}
.rail{
  width:198px;flex-shrink:0;border-right:1px solid var(--line);background:var(--bg2);
  display:flex;flex-direction:column;padding:14px 10px;gap:2px;overflow-y:auto;
}
.rail-group{display:flex;flex-direction:column;gap:2px;}
.rail-btn{
  display:flex;align-items:center;gap:11px;width:100%;text-align:left;
  padding:10.5px 13px;border-radius:10px;font-size:13.5px;color:var(--muted);
  transition:all .15s;white-space:nowrap;
}
.rail-btn:hover{color:var(--ink);background:rgba(255,255,255,.05);}
.rail-btn.active{color:#fff;background:linear-gradient(135deg,rgba(124,92,255,.28),rgba(0,212,255,.14));border:1px solid rgba(124,92,255,.35);}
.rail-ico{font-size:16px;width:20px;text-align:center;}
.rail-foot{margin-top:auto;padding-top:10px;border-top:1px solid var(--line);}
.app-main{flex:1;display:flex;flex-direction:column;min-width:0;}
.app-head{
  height:52px;flex-shrink:0;display:flex;align-items:center;gap:16px;padding:0 20px;
  border-bottom:1px solid var(--line);background:var(--bg2);
}
.proj-name{font-size:14px;font-weight:600;color:var(--ink);max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.model-sel{
  background:var(--panel);color:var(--ink);border:1px solid var(--line2);border-radius:9px;
  padding:7px 10px;font-size:13px;outline:none;max-width:230px;
}
.head-right{margin-left:auto;display:flex;align-items:center;gap:10px;}
.app-body{flex:1;overflow-y:auto;padding:22px;}
.pane{max-width:1080px;margin:0 auto;animation:fadeIn .25s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.pane-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:20px;}
.pane-head h3{font-size:18px;}
.pane-head p{color:var(--dim);font-size:13px;flex:1;}
.canvas-tools{display:flex;gap:8px;}
.canvas-tools button{
  font-size:12.5px;border:1px solid var(--line2);border-radius:8px;padding:7px 13px;color:var(--muted);transition:all .15s;
}
.canvas-tools button:hover{color:var(--ink);border-color:var(--p1);}

/* ---- 剧情短片 ---- */
.drama-wrap{display:grid;grid-template-columns:340px 1fr;gap:20px;align-items:start;}
.drama-input{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;}
.drama-input textarea{
  width:100%;background:var(--bg);border:1px solid var(--line2);border-radius:10px;color:var(--ink);
  padding:12px;font-size:13.5px;line-height:1.8;resize:vertical;outline:none;
}
.drama-input textarea:focus{border-color:rgba(124,92,255,.6);}
.drama-opt{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px;align-items:center;}
.drama-opt label{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px;}
.drama-opt select{background:var(--bg);color:var(--ink);border:1px solid var(--line2);border-radius:7px;padding:5px 7px;font-size:12.5px;outline:none;}
.drama-opt .btn-primary{margin-left:auto;padding:8px 18px;font-size:13px;}
.drama-tip{font-size:11.5px;color:var(--dim);margin-top:12px;}
.drama-tip b{color:#ffd257;}
.drama-steps{display:flex;flex-direction:column;gap:10px;}
.dstep{
  display:flex;gap:13px;align-items:flex-start;background:var(--panel);
  border:1px solid var(--line);border-radius:12px;padding:13px 16px;transition:border-color .2s;
}
.dstep.active{border-color:rgba(124,92,255,.55);box-shadow:0 0 18px rgba(124,92,255,.12);}
.dstep.done{opacity:.88;}
.dstep .di{
  width:34px;height:34px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  font-size:15px;background:var(--panel2);border:1px solid var(--line2);
}
.dstep.active .di{background:rgba(124,92,255,.2);border-color:var(--p1);animation:pulse 1.2s infinite;}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(124,92,255,.4);}50%{box-shadow:0 0 0 7px rgba(124,92,255,0);}}
.dstep.done .di{background:rgba(61,220,132,.12);border-color:rgba(61,220,132,.5);}
.dstep .db{flex:1;min-width:0;}
.dstep .dt{font-size:13.5px;font-weight:600;display:flex;justify-content:space-between;align-items:center;gap:8px;}
.dstep .ds{font-size:11px;color:var(--dim);}
.dstep.active .ds{color:var(--p2);}
.dstep .dc{font-size:12.5px;color:var(--muted);line-height:1.75;margin-top:7px;white-space:pre-wrap;display:none;}
.dstep.expanded .dc{display:block;}
.dstep .dbar{height:3px;border-radius:99px;background:var(--panel2);margin-top:9px;overflow:hidden;display:none;}
.dstep.active .dbar{display:block;}
.dstep .dbar i{display:block;height:100%;width:30%;background:var(--grad);border-radius:99px;animation:slide 1.1s ease-in-out infinite;}
@keyframes slide{0%{margin-left:-30%;}100%{margin-left:100%;}}
.drama-result{margin-top:22px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;}
.drama-result h4{font-size:14.5px;margin-bottom:12px;}
.result-actions{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap;}

/* ---- 视频预览卡（Ken Burns 动画） ---- */
.video-preview{
  position:relative;width:100%;max-width:420px;aspect-ratio:9/16;margin:0 auto;border-radius:12px;overflow:hidden;
  background:#000;border:1px solid var(--line2);cursor:pointer;
}
.video-preview.wide{aspect-ratio:16/9;max-width:640px;}
.vp-img{
  position:absolute;inset:0;background-size:cover;background-position:center;
  animation:kenburns 8s ease-in-out infinite alternate;
}
@keyframes kenburns{from{transform:scale(1) translate(0,0);}to{transform:scale(1.18) translate(-2%,-3%);}}
.vp-shade{position:absolute;inset:0;background:linear-gradient(transparent 55%,rgba(0,0,0,.68));}
.vp-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;background:rgba(10,11,18,.55);backdrop-filter:blur(8px);
  border:1px solid var(--line2);display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;
  transition:transform .18s,background .18s;
}
.video-preview:hover .vp-play{transform:translate(-50%,-50%) scale(1.1);background:rgba(124,92,255,.5);}
.vp-bar{
  position:absolute;left:12px;right:12px;bottom:11px;height:3px;background:rgba(255,255,255,.22);border-radius:99px;
}
.vp-bar i{position:absolute;inset:0;width:38%;background:var(--grad);border-radius:99px;}
.vp-tag{position:absolute;top:10px;left:10px;font-size:10.5px;background:rgba(10,11,18,.7);border:1px solid var(--line2);border-radius:6px;padding:3px 9px;letter-spacing:.5px;}
.vp-dur{position:absolute;top:10px;right:10px;font-size:10.5px;background:rgba(10,11,18,.7);border-radius:6px;padding:3px 9px;}

/* ---- Agent 聊天 ---- */
.chat-box{
  height:calc(100vh - 240px);min-height:340px;overflow-y:auto;background:var(--panel);
  border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:14px;
}
.msg{max-width:76%;display:flex;gap:10px;align-items:flex-start;animation:fadeIn .25s;}
.msg .avatar{
  width:32px;height:32px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  font-size:14px;background:var(--panel2);border:1px solid var(--line2);
}
.msg.ai .avatar{background:linear-gradient(135deg,rgba(124,92,255,.4),rgba(0,212,255,.3));border-color:rgba(124,92,255,.5);}
.msg .bubble{
  padding:11px 15px;border-radius:13px;font-size:13.5px;line-height:1.8;white-space:pre-wrap;word-break:break-word;
}
.msg.user{align-self:flex-end;flex-direction:row-reverse;}
.msg.user .bubble{background:linear-gradient(135deg,rgba(124,92,255,.32),rgba(0,212,255,.2));border:1px solid rgba(124,92,255,.4);border-radius:13px 13px 3px 13px;}
.msg.ai .bubble{background:var(--panel2);border:1px solid var(--line);border-radius:13px 13px 13px 3px;}
.msg .tool{
  display:inline-flex;align-items:center;gap:6px;font-size:11px;color:var(--p2);
  border:1px dashed rgba(0,212,255,.4);border-radius:7px;padding:3px 9px;margin-bottom:7px;
}
.typing{display:inline-flex;gap:4px;padding:4px 2px;}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:blink 1s infinite;}
.typing i:nth-child(2){animation-delay:.18s;} .typing i:nth-child(3){animation-delay:.36s;}
@keyframes blink{0%,100%{opacity:.25;}50%{opacity:1;}}
.chat-input{display:flex;gap:10px;margin-top:14px;}
.chat-input input{
  flex:1;background:var(--panel);border:1px solid var(--line2);border-radius:12px;color:var(--ink);
  padding:13px 16px;font-size:14px;outline:none;
}
.chat-input input:focus{border-color:rgba(124,92,255,.6);}
.chat-input .btn-primary{padding:0 26px;}
.chat-quick{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap;}
.chat-quick button{font-size:12px;color:var(--muted);border:1px dashed var(--line2);border-radius:999px;padding:6px 13px;}
.chat-quick button:hover{color:var(--p2);border-color:rgba(0,212,255,.4);}

/* ---- 生成表单与结果网格 ---- */
.gen-form{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:20px;}
.gen-form textarea{
  width:100%;background:var(--bg);border:1px solid var(--line2);border-radius:10px;color:var(--ink);
  padding:12px;font-size:13.5px;line-height:1.8;resize:vertical;outline:none;
}
.gen-form textarea:focus{border-color:rgba(124,92,255,.6);}
.gen-opt{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px;align-items:center;}
.gen-opt label{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:7px;}
.gen-opt select{background:var(--bg);color:var(--ink);border:1px solid var(--line2);border-radius:8px;padding:6px 9px;font-size:12.5px;outline:none;}
.gen-opt .btn-primary{margin-left:auto;padding:9px 20px;font-size:13px;}
.gen-note{font-size:12px;color:var(--dim);margin-top:12px;}
.gen-note b{color:#3ddc84;}
.gen-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.gen-item{position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--line);cursor:pointer;aspect-ratio:16/9;transition:transform .2s,border-color .2s;animation:fadeIn .3s;}
.gen-item:hover{transform:translateY(-3px);border-color:rgba(124,92,255,.5);}
.gen-item img{width:100%;height:100%;object-fit:cover;}
.gen-item .gi-tag{
  position:absolute;bottom:8px;left:8px;font-size:10px;background:rgba(10,11,18,.75);
  border:1px solid var(--line2);border-radius:6px;padding:2px 8px;letter-spacing:.5px;
}
.gen-item.tall{aspect-ratio:9/16;}
.gen-item.sq{aspect-ratio:1/1;}
.gen-empty{grid-column:1/-1;text-align:center;color:var(--dim);font-size:13px;padding:44px 0;border:1px dashed var(--line2);border-radius:12px;}

/* ---- 无限画布 ---- */
.cv-viewport{
  position:relative;height:calc(100vh - 250px);min-height:380px;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;background:
    radial-gradient(circle at 30% 20%,rgba(124,92,255,.06),transparent 45%),
    radial-gradient(circle at 75% 70%,rgba(0,212,255,.05),transparent 45%),
    var(--bg2);
  cursor:grab;
}
.cv-viewport.panning{cursor:grabbing;}
.cv-world{position:absolute;top:0;left:0;width:100%;height:100%;transform-origin:0 0;}
.cv-links{position:absolute;overflow:visible;width:100%;height:100%;pointer-events:none;}
.cv-links path{fill:none;stroke:rgba(124,92,255,.55);stroke-width:2;}
.cv-links path.hl{stroke:#00d4ff;stroke-dasharray:6 5;animation:dashmove 1s linear infinite;}
@keyframes dashmove{to{stroke-dashoffset:-11;}}
.cv-node{
  position:absolute;width:170px;background:var(--panel);border:1px solid var(--line2);border-radius:12px;
  box-shadow:0 8px 26px rgba(0,0,0,.4);user-select:none;transition:border-color .15s,box-shadow .15s;
}
.cv-node:hover{border-color:rgba(124,92,255,.55);}
.cv-node.dragging{border-color:var(--p1);box-shadow:0 0 24px rgba(124,92,255,.3);z-index:5;}
.cv-node .nh{
  display:flex;align-items:center;gap:8px;padding:9px 12px;font-size:12.5px;font-weight:600;
  border-bottom:1px solid var(--line);cursor:move;border-radius:12px 12px 0 0;
}
.cv-node .nh .nk{width:9px;height:9px;border-radius:50%;flex-shrink:0;}
.cv-node .nh .nx{margin-left:auto;color:var(--dim);cursor:pointer;font-size:13px;line-height:1;}
.cv-node .nx:hover{color:#ff6b81;}
.cv-node .nb{padding:10px 12px;font-size:11.5px;color:var(--muted);line-height:1.7;min-height:38px;}
.cv-node .nb img{border-radius:8px;margin-top:2px;}
.cv-node .port{
  position:absolute;top:50%;width:11px;height:11px;border-radius:50%;background:var(--panel2);
  border:2px solid var(--p1);transform:translateY(-50%);z-index:2;
}
.cv-node .port.out{right:-6px;} .cv-node .port.in{left:-6px;border-color:var(--p2);}
.cv-node .port:hover{background:var(--p1);}

/* ---- 3D 导演台 ---- */
.stage-wrap{display:grid;grid-template-columns:1fr 280px;gap:20px;align-items:stretch;}
.stage-view{
  position:relative;min-height:420px;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  background:linear-gradient(180deg,#141728 0%,#1a1f36 55%,#232a4a 100%);perspective:800px;
}
.stage-floor{
  position:absolute;left:50%;bottom:16%;width:78%;height:34%;transform:translateX(-50%) rotateX(58deg);
  background:
    linear-gradient(rgba(124,92,255,.16) 1px,transparent 1px),
    linear-gradient(90deg,rgba(124,92,255,.16) 1px,transparent 1px);
  background-size:44px 44px;border-radius:8px;
  box-shadow:0 -20px 60px rgba(0,212,255,.08) inset;
}
.stage-actor{
  position:absolute;left:50%;bottom:24%;transform:translateX(-50%);
  width:54px;height:120px;border-radius:26px 26px 12px 12px;
  background:linear-gradient(180deg,#8f7bff,#3d2f8f);box-shadow:0 18px 50px rgba(124,92,255,.35);
}
.stage-actor::before{
  content:"";position:absolute;top:-20px;left:50%;transform:translateX(-50%);
  width:30px;height:30px;border-radius:50%;background:#c9bcff;
}
.stage-cam{position:absolute;transition:all .25s ease;transform-style:preserve-3d;}
.cam-body{
  display:block;width:44px;height:26px;border-radius:6px;background:#2a2f4a;border:1px solid var(--line2);
  position:relative;box-shadow:0 6px 18px rgba(0,0,0,.5);
}
.cam-body::before{content:"";position:absolute;right:-14px;top:5px;width:14px;height:16px;border-radius:3px;background:#1a1e33;border:1px solid var(--line2);}
.cam-body::after{content:"";position:absolute;right:-22px;top:7px;width:8px;height:12px;border-radius:2px;background:rgba(0,212,255,.5);box-shadow:0 0 12px rgba(0,212,255,.8);}
.cam-label{display:block;text-align:center;font-size:9.5px;color:var(--dim);margin-top:4px;letter-spacing:1px;}
.stage-frame{
  position:absolute;right:14px;bottom:14px;width:150px;height:96px;border-radius:8px;overflow:hidden;
  border:2px solid rgba(0,212,255,.65);box-shadow:0 0 24px rgba(0,212,255,.25);
  background-size:cover;background-position:center;
}
.stage-frame::before{content:"REC";position:absolute;top:5px;left:7px;font-size:9px;color:#ff5a6e;letter-spacing:1px;}
.stage-frame::after{content:"";position:absolute;top:6px;left:32px;width:6px;height:6px;border-radius:50%;background:#ff5a6e;animation:blink 1s infinite;}
.stage-ctrl{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:14px;}
.stage-ctrl label{font-size:12.5px;color:var(--muted);display:flex;flex-direction:column;gap:7px;}
.stage-ctrl input[type=range]{accent-color:var(--p1);width:100%;}
.stage-ctrl select{background:var(--bg);color:var(--ink);border:1px solid var(--line2);border-radius:8px;padding:7px 10px;font-size:12.5px;outline:none;}
.stage-preview-tag{font-size:11px;color:var(--dim);}
.stage-ctrl .btn-primary{margin-top:auto;}

/* ---- 素材库 ---- */
.asset-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:13px;}
.asset-item{border-radius:12px;overflow:hidden;border:1px solid var(--line);position:relative;aspect-ratio:1;cursor:pointer;transition:transform .18s,border-color .18s;}
.asset-item:hover{transform:translateY(-3px);border-color:rgba(0,212,255,.5);}
.asset-item img{width:100%;height:100%;object-fit:cover;}
.asset-item .ai-tag{position:absolute;left:0;right:0;bottom:0;padding:16px 9px 7px;font-size:10.5px;background:linear-gradient(transparent,rgba(6,7,12,.9));white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.asset-empty{grid-column:1/-1;text-align:center;color:var(--dim);font-size:13px;padding:44px 0;border:1px dashed var(--line2);border-radius:12px;}

/* ---- 历史 ---- */
.hist-list{display:flex;flex-direction:column;gap:10px;}
.hist-item{
  display:flex;gap:14px;align-items:center;background:var(--panel);border:1px solid var(--line);
  border-radius:12px;padding:12px 16px;cursor:pointer;transition:border-color .15s;
}
.hist-item:hover{border-color:rgba(124,92,255,.5);}
.hist-thumb{width:58px;height:40px;border-radius:7px;object-fit:cover;background:var(--panel2);flex-shrink:0;}
.hist-b{flex:1;min-width:0;}
.hist-t{font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.hist-m{font-size:11.5px;color:var(--dim);margin-top:3px;display:flex;gap:12px;flex-wrap:wrap;}
.hist-st{font-size:11px;border-radius:999px;padding:3px 11px;flex-shrink:0;}
.hist-st.ok{color:#3ddc84;border:1px solid rgba(61,220,132,.4);}
.hist-empty{text-align:center;color:var(--dim);font-size:13px;padding:44px 0;border:1px dashed var(--line2);border-radius:12px;}

/* ======================= 弹窗 ======================= */
.modal-mask{
  position:fixed;inset:0;z-index:300;background:rgba(5,6,10,.72);backdrop-filter:blur(8px);
  display:none;align-items:center;justify-content:center;padding:20px;
}
.modal-mask.show{display:flex;}
.modal{
  position:relative;background:var(--panel);border:1px solid var(--line2);border-radius:18px;
  padding:30px 28px;width:100%;max-width:400px;box-shadow:var(--shadow);animation:pop .22s ease;
}
@keyframes pop{from{opacity:0;transform:scale(.94) translateY(10px);}to{opacity:1;transform:none;}}
.modal .close{position:absolute;top:14px;right:16px;font-size:17px;color:var(--dim);padding:4px;}
.modal .close:hover{color:var(--ink);}
.auth-pane h3{font-size:19px;margin-bottom:20px;text-align:center;}
.auth-pane label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:14px;}
.auth-pane label input{
  width:100%;margin-top:7px;background:var(--bg);border:1px solid var(--line2);border-radius:10px;
  color:var(--ink);padding:11px 13px;font-size:14px;outline:none;
}
.auth-pane label input:focus{border-color:rgba(124,92,255,.6);}
.otp-row{display:flex;gap:9px;margin-top:7px;}
.otp-row input{flex:1;margin-top:0 !important;}
.otp-row button{border:1px solid var(--line2);border-radius:10px;padding:0 15px;font-size:12.5px;color:var(--p2);white-space:nowrap;}
.otp-row button:hover{border-color:var(--p2);background:rgba(0,212,255,.08);}
.otp-row button:disabled{opacity:.5;cursor:not-allowed;}
.auth-row{display:flex;justify-content:space-between;margin-top:14px;}
.auth-row a,.auth-alt a{color:var(--p2);font-size:13px;cursor:pointer;}
.auth-alt{text-align:center;margin-top:18px;font-size:13px;color:var(--muted);}
.acct-email{text-align:center;font-size:15px;font-weight:600;padding:12px;background:var(--bg);border-radius:10px;border:1px solid var(--line);margin-bottom:16px;word-break:break-all;}
.acct-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px;}
.acct-stats div{text-align:center;background:var(--bg);border-radius:10px;border:1px solid var(--line);padding:13px 6px;}
.acct-stats b{display:block;font-size:19px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.acct-stats span{font-size:11px;color:var(--dim);}
.acct-note{font-size:11.5px;color:var(--dim);text-align:center;margin-bottom:6px;}

/* 结果弹窗 */
.result-modal{max-width:520px;padding:22px;}
.result-modal .rv-title{font-size:15px;font-weight:700;margin-bottom:14px;padding-right:24px;}
.result-modal .rv-prompt{font-size:12px;color:var(--dim);margin-top:12px;line-height:1.7;max-height:64px;overflow:hidden;}
.result-modal .result-actions{margin-top:14px;}

/* ---------- Toast ---------- */
.toast{
  position:fixed;top:74px;left:50%;transform:translateX(-50%) translateY(-16px);z-index:400;
  background:rgba(22,25,40,.96);border:1px solid var(--line2);color:var(--ink);
  padding:11px 22px;border-radius:12px;font-size:13.5px;box-shadow:var(--shadow);
  opacity:0;pointer-events:none;transition:all .25s;max-width:86vw;text-align:center;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
.toast.ok{border-color:rgba(61,220,132,.5);} .toast.err{border-color:rgba(255,90,110,.55);}

/* ======================= 响应式 ======================= */
@media(max-width:1080px){
  .feat-grid{grid-template-columns:repeat(2,1fr);}
  .show-grid{grid-template-columns:repeat(2,1fr);}
  .tpl-grid{grid-template-columns:repeat(2,1fr);}
  .gen-grid{grid-template-columns:repeat(3,1fr);}
  .asset-grid{grid-template-columns:repeat(4,1fr);}
}
@media(max-width:820px){
  .topnav{display:none;}
  .menu-btn{display:block;}
  .top-actions .btn-ghost{display:none;}
  .top-actions .credits-chip{display:none;}
  .pipe-wrap{grid-template-columns:repeat(4,1fr);row-gap:26px;}
  .pipe-wrap::before{display:none;}
  .model-grid{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;}
  .price-card.hot{transform:none;}
  .foot-in{grid-template-columns:1fr 1fr;}
  .drama-wrap{grid-template-columns:1fr;}
  .stage-wrap{grid-template-columns:1fr;}
  .studio .rail{width:64px;padding:12px 8px;}
  .rail-btn span.rtxt{display:none;}
  .rail-btn{justify-content:center;padding:12px 6px;}
  .app-body{padding:14px;}
  .gen-grid{grid-template-columns:repeat(2,1fr);}
  .asset-grid{grid-template-columns:repeat(3,1fr);}
  .video-preview{max-width:300px;}
  section{padding:52px 16px;}
}
@media(max-width:560px){
  .tpl-grid{grid-template-columns:1fr;}
  .feat-grid{grid-template-columns:1fr;}
  .show-grid{grid-template-columns:1fr;}
  .hero{padding:56px 14px 46px;}
  .prompt-foot{flex-direction:column;align-items:stretch;}
  .mode-tabs{justify-content:center;}
  #heroGo{width:100%;}
  .gen-grid{grid-template-columns:1fr 1fr;}
  .asset-grid{grid-template-columns:1fr 1fr;}
  .chat-input .btn-primary{padding:0 16px;}
  .foot-in{grid-template-columns:1fr;}
  .pc-only{display:none;}
  .modal{max-width:94vw;padding:24px 18px;}
  .stage-view{min-height:300px;}
  .stage-frame{width:110px;height:72px;}
}

/* ============ 微信支付弹窗 ============ */
.pay-modal{max-width:370px;text-align:center;}
.pay-title{font-size:17px;font-weight:700;margin-bottom:14px;padding-right:24px;}
.pay-plan{display:flex;justify-content:space-between;align-items:center;background:rgba(255,255,255,.04);border:1px solid var(--line2);border-radius:10px;padding:10px 14px;font-size:14px;}
.pay-plan b{color:var(--ink);}
.pay-amt{color:#ffd257;font-size:19px;font-weight:700;}
.pay-qr{background:#fff;border-radius:12px;padding:8px;display:inline-block;margin:16px auto 4px;line-height:0;}
.pay-qr svg{display:block;}
.pay-loading{color:#6b7280;font-size:13px;padding:92px 24px;line-height:1.6;}
.pay-success{color:#22c55e;font-size:54px;font-weight:700;padding:72px 24px;line-height:1;}
.pay-state{font-size:12.5px;color:var(--dim);min-height:18px;margin:8px 0 12px;line-height:1.6;}
.pay-actions{display:flex;gap:10px;}
.pay-actions button{flex:1;}
.pay-code-row{display:flex;gap:8px;margin-top:4px;}
.pay-code-row input{flex:1;min-width:0;background:var(--panel2);border:1px solid var(--line2);border-radius:9px;color:var(--ink);padding:10px 12px;font-size:14px;letter-spacing:1px;outline:none;}
.pay-code-row input:focus{border-color:var(--accent,#7c5cff);}
.pay-code-row button{padding:10px 18px;border-radius:9px;font-size:14px;white-space:nowrap;}
.pay-tip{font-size:12px;color:var(--dim);background:rgba(124,92,255,.08);border:1px dashed var(--line2);border-radius:8px;padding:8px 10px;margin:10px 0 2px;line-height:1.7;text-align:left;}
.pay-tip b{color:var(--ink);}
@media(max-width:560px){
  .pay-modal{max-width:94vw;padding:20px 14px;}
  .pay-qr img{width:190px !important;height:190px !important;}
}