/* ====== 老板出片 · 未来科技设计系统 ====== */
  :root{
    --bg:#05070f;
    --card:rgba(255,255,255,.04);
    --line:rgba(140,180,255,.16);
    --txt:#eaf0ff; --sec:#93a0bf; --dim:#5b6a8f;
    --acc:#2ee6ff; --acc2:#8b5cf6;
    --grad:linear-gradient(120deg,#2ee6ff,#8b5cf6);
    --mono:ui-monospace,"SF Mono","Cascadia Mono",Consolas,monospace;
    --ease:cubic-bezier(.16,1,.3,1);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",
      "Helvetica Neue","Microsoft YaHei",sans-serif;
    background:var(--bg);color:var(--txt);font-size:17px;line-height:1.6;
    -webkit-font-smoothing:antialiased;overflow-x:hidden;
  }
  ::selection{background:rgba(46,230,255,.3)}

  /* ---- 背景：网格 + 漂移光晕 ---- */
  .bg-fx{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
  .bg-grid{position:absolute;inset:0;
    background-image:linear-gradient(rgba(120,160,255,.055) 1px,transparent 1px),
      linear-gradient(90deg,rgba(120,160,255,.055) 1px,transparent 1px);
    background-size:44px 44px;
    -webkit-mask-image:radial-gradient(ellipse 95% 75% at 50% 0%,#000 25%,transparent 78%);
    mask-image:radial-gradient(ellipse 95% 75% at 50% 0%,#000 25%,transparent 78%);
  }
  .glow{position:absolute;border-radius:50%;filter:blur(95px);opacity:.55}
  .g1{width:540px;height:540px;background:#0d4a66;top:-180px;left:-140px;animation:drift 16s ease-in-out infinite alternate}
  .g2{width:480px;height:480px;background:#3a2a80;top:6%;right:-160px;animation:drift 20s ease-in-out infinite alternate-reverse}
  .g3{width:440px;height:440px;background:#0a3d55;bottom:-200px;left:32%;animation:drift 24s ease-in-out infinite alternate}
  @keyframes drift{from{transform:translate(0,0)}to{transform:translate(70px,46px)}}

  /* ---- 滚动进度 ---- */
  .scroll-progress{
    position:fixed;top:0;left:0;height:2px;width:0%;z-index:120;
    background:linear-gradient(90deg,#2ee6ff,#8b5cf6);
    box-shadow:0 0 12px rgba(46,230,255,.6);
    transition:width .1s linear;
  }

  /* ---- 导航 ---- */
  .nav{
    position:fixed;top:0;left:0;right:0;height:56px;z-index:100;
    background:rgba(6,9,20,.62);
    backdrop-filter:blur(18px) saturate(160%);
    -webkit-backdrop-filter:blur(18px) saturate(160%);
    border-bottom:1px solid rgba(140,180,255,.12);
  }
  .nav-inner{max-width:1180px;margin:0 auto;height:100%;padding:0 24px;
    display:flex;align-items:center;justify-content:space-between}
  .nav-brand{display:flex;align-items:center;gap:10px}
  .classroom-nav-link{margin-left:auto;margin-right:22px;padding:6px 12px;border:1px solid rgba(46,230,255,.35);border-radius:999px;
    color:#bcefff;font-size:13px;font-weight:700;text-decoration:none;white-space:nowrap;transition:background .2s,border-color .2s}
  .classroom-nav-link:hover{background:rgba(46,230,255,.12);border-color:var(--acc)}
  .classroom-nav-link:focus-visible{outline:2px solid var(--acc);outline-offset:3px}
  @media (max-width:640px){
    .nav-inner{padding:0 14px;gap:8px}
    .nav-brand{gap:6px}
    .nav-brand img{width:26px!important;height:26px!important}
    .brand-main{font-size:16px}
    .brand-badge{display:none}
    .classroom-nav-link{margin-left:auto;margin-right:0;padding:5px 8px;font-size:12px}
    .account-chip{gap:4px}
    .account-chip .name{display:none}
    .bal-pill{padding:5px 7px;font-size:11px}
  }
  .brand-main{font-size:19px;font-weight:800;letter-spacing:.5px;
    background:linear-gradient(90deg,#ffffff 20%,#2ee6ff 90%);
    -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
  .brand-badge{font-family:var(--mono);font-size:11px;letter-spacing:1.5px;color:var(--acc);
    border:1px solid rgba(46,230,255,.4);border-radius:999px;padding:3px 10px;
    box-shadow:inset 0 0 14px rgba(46,230,255,.15)}
  .nav-cta{
    font-size:13px;font-weight:700;color:#04121a;background:linear-gradient(120deg,#2ee6ff,#7cc7ff);
    border:0;border-radius:999px;padding:7px 18px;cursor:pointer;transition:all .2s;
  }
  .nav-cta:hover{filter:brightness(1.12);box-shadow:0 0 20px rgba(46,230,255,.45)}
  .nav-cta.ghost{background:transparent;color:var(--acc);border:1px solid rgba(46,230,255,.5)}
  .nav-cta.ghost:hover{background:rgba(46,230,255,.08);box-shadow:none}
  .account-chip{display:flex;align-items:center;gap:8px;font-size:13px;position:relative}
  .account-chip .name{font-weight:700;color:var(--txt);max-width:90px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .account-chip button{
    font-size:12px;color:var(--acc);background:none;border:1px solid rgba(46,230,255,.5);
    border-radius:8px;padding:4px 10px;cursor:pointer;transition:all .15s;
  }
  .account-chip button:hover{background:var(--acc);color:#04121a}
  /* 余额胶囊 + 下拉菜单 */
  .bal-pill{
    display:inline-flex;align-items:center;gap:2px;flex:0 0 auto;
    font-size:13px;font-weight:700;color:#04121a;
    background:linear-gradient(135deg,#2ee6ff,#8b5cf6);
    border:none;border-radius:999px;padding:5px 12px;cursor:pointer;
    box-shadow:0 0 14px rgba(46,230,255,.35);transition:transform .12s,box-shadow .12s;
  }
  .bal-pill:hover{transform:translateY(-1px);box-shadow:0 0 18px rgba(46,230,255,.55)}
  .bal-pill .caret{font-size:10px;opacity:.85}
  .ac-menu{
    position:absolute;top:calc(100% + 8px);right:0;z-index:50;
    min-width:148px;background:rgba(10,16,30,.97);
    border:1px solid rgba(46,230,255,.35);border-radius:12px;
    box-shadow:0 10px 30px rgba(0,0,0,.5);padding:6px;
    display:none;flex-direction:column;gap:2px;
  }
  .ac-menu.show{display:flex}
  .ac-menu-item{
    text-align:left;font-size:14px;color:var(--txt);
    background:none;border:none;border-radius:8px;
    padding:9px 12px;cursor:pointer;transition:background .12s;
  }
  .ac-menu-item:hover{background:rgba(46,230,255,.14);color:var(--acc)}
  .ac-menu-note{display:block;max-width:240px;margin-top:3px;color:#9cafc6;font-size:11px;line-height:1.45;white-space:normal}
  .ac-menu-sep{height:1px;background:rgba(255,255,255,.1);margin:4px 2px}

  /* ---- Hero：左文案 + 右 HUD 样片 ---- */
  .hero{
    position:relative;z-index:1;min-height:52vh;cursor:pointer;
    display:flex;align-items:center;padding:72px 24px 30px;
  }
  .hero-inner{max-width:900px;margin:0 auto;width:100%;
    display:flex;flex-direction:column;align-items:center;justify-content:center;
    text-align:center;will-change:transform,opacity}
  .hero-copy{display:flex;flex-direction:column;align-items:center;width:100%}
  .hero-copy>*{opacity:0;transform:translateY(26px);animation:rise .9s var(--ease) forwards}
  .hero-copy>*:nth-child(1){animation-delay:.05s}
  .hero-copy>*:nth-child(2){animation-delay:.16s}
  .hero-copy>*:nth-child(3){animation-delay:.27s}
  .hero-copy>*:nth-child(4){animation-delay:.38s}
  .hero-copy>*:nth-child(5){animation-delay:.49s}
  .hero-copy>*:nth-child(6){animation-delay:.60s}
  .hero-copy>*:nth-child(7){animation-delay:.71s}
  .hero-copy>*:nth-child(8){animation-delay:.82s}
  @keyframes rise{to{opacity:1;transform:none}}
  .brandmark{width:clamp(48px,5vw,62px);height:clamp(48px,5vw,62px);border-radius:16px;
    object-fit:cover;margin:0 auto 2px;display:block;
    box-shadow:0 0 34px rgba(46,230,255,.28),0 0 0 1px rgba(46,230,255,.25)}
  .hero-logo{
    margin-top:4px;font-size:clamp(42px,5.5vw,68px);font-weight:900;letter-spacing:-.01em;line-height:1.03;
    background:linear-gradient(100deg,#ffffff 8%,#a8dcff 45%,#2ee6ff 72%,#8b5cf6 100%);
    -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
    filter:drop-shadow(0 0 28px rgba(46,230,255,.28));
  }
  .hero-tag{margin-top:4px;font-size:clamp(16px,2vw,23px);font-weight:800;color:#dfe9ff;letter-spacing:2px}
  /* 首屏主标语：自己拍出广告大片 */
  .hero-slogan{margin-top:8px;max-width:760px;font-size:clamp(20px,2.6vw,32px);font-weight:900;
    letter-spacing:1px;line-height:1.32;color:#fff;
    padding:8px 18px;border-radius:14px;
    background:linear-gradient(100deg,rgba(46,230,255,.16),rgba(139,92,246,.16));
    border:1.5px solid rgba(46,230,255,.38);
    box-shadow:0 0 26px rgba(46,230,255,.14),inset 0 0 26px rgba(139,92,246,.10)}
  .hero-slogan em{font-style:normal;
    background:linear-gradient(100deg,#2ee6ff,#8b5cf6);
    -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
    filter:drop-shadow(0 0 14px rgba(46,230,255,.45))}
  .hero-sub{margin-top:6px;font-size:clamp(14px,1.6vw,17px);color:var(--sec)}
  .btn-hero{margin-top:12px;font-size:14px;font-weight:800;letter-spacing:1.5px;color:#04121a;
    background:var(--grad);border:0;border-radius:999px;padding:10px 28px;cursor:pointer;
    box-shadow:0 10px 34px rgba(46,230,255,.3);transition:all .2s}
  .btn-hero:hover{transform:translateY(-2px);box-shadow:0 14px 46px rgba(46,230,255,.45)}

  /* 页末返回课程主页，不打断创作表单。 */
  .classroom-return{display:inline-flex;align-items:center;justify-content:center;margin:0 auto 24px;padding:11px 22px;
    border:1px solid rgba(46,230,255,.48);border-radius:999px;background:linear-gradient(120deg,rgba(46,230,255,.14),rgba(139,92,246,.18));
    color:#d6f8ff;font-size:14px;font-weight:700;text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s}
  .classroom-return:hover{transform:translateY(-2px);border-color:var(--acc);box-shadow:0 0 24px rgba(46,230,255,.22)}
  .classroom-return:focus-visible{outline:2px solid var(--acc);outline-offset:4px}

  /* 首屏登录/注册（开始创作下方，醒目大按钮） */
  .hero-account{display:flex;gap:10px;justify-content:center;margin-top:12px}
  .hero-login-btn,.hero-reg-btn{font-size:14px;font-weight:800;letter-spacing:1px;border-radius:999px;
    padding:9px 26px;cursor:pointer;transition:all .2s;min-width:100px}
  .hero-login-btn{color:#04121a;background:var(--grad);border:0;box-shadow:0 10px 34px rgba(46,230,255,.3)}
  .hero-login-btn:hover{transform:translateY(-2px);box-shadow:0 14px 46px rgba(46,230,255,.45)}
  .hero-reg-btn{color:var(--acc);background:rgba(255,255,255,.04);border:1.5px solid rgba(46,230,255,.5)}
  .hero-reg-btn:hover{background:rgba(46,230,255,.08);box-shadow:0 0 20px rgba(46,230,255,.3)}

  .hero-scroll{
    position:absolute;bottom:7px;left:50%;z-index:2;
    font-family:var(--mono);font-size:11px;letter-spacing:2px;color:var(--dim);
    display:flex;flex-direction:column;align-items:center;gap:5px;
    animation:bob 2.2s var(--ease) infinite;
  }
  @keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,7px)}}

  /* ---- 创作台 ---- */
  .page{position:relative;z-index:1;max-width:1180px;margin:0 auto;padding:0 24px}
  #studio{scroll-margin-top:76px}
  .studio-head{margin:36px 0 26px}
  .step-num{font-family:var(--mono);font-size:13.5px;font-weight:800;letter-spacing:3px;
    color:var(--acc);margin-bottom:10px}
  .studio-head h2{font-size:clamp(26px,4vw,40px);font-weight:800;letter-spacing:-.01em}
  .draft-actions{display:flex;align-items:center;gap:10px;margin-top:12px;min-height:30px}
  .draft-actions .hint{margin-top:0}
  .studio-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}
  .col{display:contents}
  .studio-grid>.col:first-child .card:nth-child(1){order:1}
  .studio-grid>.col:last-child .card:nth-child(1){order:2}
  .studio-grid>.col:first-child .card:nth-child(2){order:3}
  .studio-grid>.col:last-child .card:nth-child(2){order:4}
  /* 桌面双栏时让左侧电影灵感输入框填满其下方空白，与右侧剧情卡片底部对齐。 */
  @media (min-width:921px){
    .studio-grid>.col:first-child{grid-template-rows:auto minmax(0,1fr)}
    .studio-grid>.col:first-child .card:nth-child(2){display:flex;flex-direction:column}
    .film-reference-notes{flex:1 1 auto;min-height:250px;resize:vertical;line-height:1.7}
  }

  .card{
    background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
    border:1px solid var(--line);border-radius:18px;padding:22px;
    backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
    box-shadow:0 12px 44px rgba(0,0,0,.35);
  }
  .card-tag{font-family:var(--mono);font-size:12.5px;font-weight:700;letter-spacing:2px;
    color:var(--acc);margin-bottom:8px}
  .card h3{font-size:21px;font-weight:800;margin-bottom:4px}
  .content-type-card{margin-bottom:20px}
  .content-type-lead{font-size:14px;color:#91a2c8;line-height:1.6;margin:6px 0 16px}
  .content-type-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
  .content-type-option{position:relative;display:grid;grid-template-columns:auto 1fr;gap:4px 10px;
    align-items:center;margin:0;padding:15px 14px;border:1px solid rgba(140,180,255,.2);border-radius:14px;
    background:rgba(8,15,30,.56);cursor:pointer;transition:border-color .2s,background .2s,transform .2s,box-shadow .2s}
  .content-type-option:hover{transform:translateY(-2px);border-color:rgba(46,230,255,.55)}
  .content-type-option.selected{border-color:var(--acc);background:rgba(46,230,255,.09);
    box-shadow:0 0 0 2px rgba(46,230,255,.08),0 8px 24px rgba(0,0,0,.24)}
  .content-type-option input{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
  .content-type-icon{grid-row:1/3;font-size:25px;color:var(--acc);line-height:1}
  .content-type-name{font-size:16px;font-weight:850;color:#eef5ff}
  .content-type-desc{font-size:12.5px;font-weight:500;color:#91a2c8;line-height:1.45}
  .content-type-hint{min-height:22px;margin-top:12px;color:#b9c7e5}

  /* ---- 表单 ---- */
  label{display:block;font-size:14.5px;font-weight:700;color:#c8d5f2;margin:16px 0 6px;letter-spacing:.3px}
  .card h3 + label, .card .card-tag + label{margin-top:12px}
  .hint{font-size:13.5px;color:#8b9bc0;margin-top:7px;line-height:1.6}
  input,textarea,select{
    width:100%;font-size:17.5px;padding:13px 15px;border-radius:12px;
    border:1px solid rgba(140,180,255,.22);background:rgba(10,16,32,.62);
    color:var(--txt);outline:none;transition:border-color .2s,box-shadow .2s;font-family:inherit;
  }
  input:focus,textarea:focus,select:focus{
    border-color:var(--acc);
    box-shadow:0 0 0 3px rgba(46,230,255,.14),0 0 20px rgba(46,230,255,.12);
  }
  textarea{resize:vertical;min-height:70px;max-width:100%;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.6}
  textarea[rows="1"]{min-height:54px}
  .studio-grid>.col>.card{min-width:0;align-self:stretch}
  input::placeholder,textarea::placeholder{color:#5b6a8f}
  select option{background:#0b1224;color:#eaf0ff}
  .row{display:flex;gap:12px}
  .row>div{flex:1}
  .optional-tag{font-size:12.5px;font-weight:500;color:#8b9bc0;margin-left:6px}
  .fold-field{margin-top:16px}
  .fold-field summary,.step5-fold summary{cursor:pointer;list-style:none;font-size:14.5px;font-weight:700;color:#c8d5f2}
  .fold-field summary::-webkit-details-marker,.step5-fold summary::-webkit-details-marker{display:none}
  .fold-field summary::after,.step5-fold summary::after{content:'＋';float:right;color:var(--acc);font-size:18px;line-height:1}
  .fold-field[open] summary::after,.step5-fold[open] summary::after{content:'－'}
  .fold-field .film-chips{margin-top:10px}
  /* 「可选」大字版：给需要一眼看见可跳过的地方用 */
  .opt-big{display:inline-block;font-size:14px;font-weight:800;color:var(--acc);
    border:1.5px solid rgba(46,230,255,.5);background:rgba(46,230,255,.10);
    border-radius:999px;padding:2px 10px;margin-left:8px;vertical-align:middle;letter-spacing:.5px}
  /* ---- 人物卡（角色设定卡） ---- */
  .char-card{margin-top:12px;border:1px solid var(--border);border-radius:12px;
    padding:14px 16px;background:rgba(255,255,255,.02)}
  .char-card h4{margin:0 0 10px;font-size:15.5px;font-weight:800;color:#dfe9ff}
  .cc-sec{margin-top:12px}
  .cc-k{font-size:12.5px;font-weight:800;color:#8b9bc0;letter-spacing:.5px}
  .cc-v{font-size:14.5px;color:#c8d5f2;line-height:1.75;margin-top:3px}
  .cc-ul{margin:4px 0 0;padding-left:18px}
  .cc-li{font-size:14.5px;color:#c8d5f2;line-height:1.75}
  .cc-anchor{font-family:var(--mono);font-size:12.5px;color:#8fa0c4;background:rgba(255,255,255,.03);
    border:1px solid var(--border);border-radius:8px;padding:10px;margin-top:5px;
    white-space:pre-wrap;word-break:break-word;line-height:1.7}
  .cc-copy{margin-top:9px;font-size:13px;font-weight:700;color:var(--acc);background:transparent;
    border:1px solid rgba(46,230,255,.45);border-radius:8px;padding:6px 14px;cursor:pointer}
  .cc-copy:hover{background:rgba(46,230,255,.08)}
  /* ---- 档位卡 ---- */
  .tier-group{margin-top:6px}
  .tier-card{
    display:block;position:relative;border:1.5px solid rgba(140,180,255,.18);
    border-radius:14px;padding:14px 16px;cursor:pointer;transition:all .2s;
    background:rgba(255,255,255,.03);margin-bottom:10px;
  }
  .tier-card:hover{border-color:rgba(46,230,255,.45)}
  .tier-card.selected{border-color:var(--acc);background:rgba(46,230,255,.07);
    box-shadow:inset 0 0 24px rgba(46,230,255,.1)}
  .tier-card input{display:none}
  .tier-name{font-size:16px;font-weight:800}
  .rec-badge{display:inline-block;margin-left:8px;font-size:11px;font-weight:700;color:#04121a;
    background:var(--grad);border-radius:999px;padding:2px 9px;vertical-align:middle;
    box-shadow:0 0 12px rgba(46,230,255,.4)}
  .tier-desc{font-size:13px;color:#8fa0c4;margin-top:3px;line-height:1.5}

  .balance-line{
    display:flex;align-items:center;justify-content:space-between;
    margin-top:10px;padding:10px 14px;background:rgba(10,16,32,.62);
    border:1px solid var(--line);border-radius:12px;font-size:13px;
  }
  .balance-line .amt{font-weight:800;color:var(--acc);font-family:var(--mono)}
  .cost-hint{margin:14px 0 4px;font-size:14px;color:#8fa0c4;text-align:center}
  .cost-hint b{color:var(--acc);font-family:var(--mono);font-size:16px}
  .recharge-btn{
    font-size:12px;font-weight:700;color:var(--acc);background:none;
    border:1px solid rgba(46,230,255,.5);border-radius:8px;padding:5px 12px;
    cursor:pointer;transition:all .15s;
  }
  .recharge-btn:hover{background:var(--acc);color:#04121a;box-shadow:0 0 16px rgba(46,230,255,.4)}
  .rech-method{margin:4px 0}
  .rech-method-hd{font-size:13px;color:var(--acc);font-weight:700;margin-bottom:2px}
  .rech-method .amtrow button.tier:disabled{opacity:.85;cursor:default;border-color:rgba(46,230,255,.35)}

  /* ---- 时长 ---- */
  .radio-inline{display:flex;gap:10px;margin-top:4px;flex-wrap:wrap}
  .radio-inline label{
    flex:1;margin:0;text-align:center;font-weight:700;font-size:14px;color:#c8d5f2;
    background:rgba(10,16,32,.62);border:1.5px solid rgba(140,180,255,.22);
    border-radius:12px;padding:13px;cursor:pointer;transition:all .15s;display:block;
  }
  .radio-inline label:hover{border-color:rgba(46,230,255,.45)}
  .radio-inline input{display:none}
  .radio-inline label.has-checked{border-color:var(--acc);background:rgba(46,230,255,.08);
    color:var(--acc);box-shadow:0 0 18px rgba(46,230,255,.1)}

  /* ---- 剧情类型 chips ---- */
  .plot-chips,.film-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
  #filmRow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
  #filmRow label{justify-content:center;text-align:center;padding:9px 6px;min-width:0}
  .plot-chips label,.film-chips label{
    margin:0;font-size:14px;font-weight:700;color:#c8d5f2;
    background:rgba(10,16,32,.62);border:1.5px solid rgba(140,180,255,.22);
    border-radius:999px;padding:9px 15px;cursor:pointer;transition:all .15s;display:inline-flex;
  }
  .plot-chips label:hover,.film-chips label:hover{border-color:rgba(46,230,255,.45)}
  .plot-chips input,.film-chips input{display:none}
  .plot-chips label.has-checked,.film-chips label.has-checked{border-color:var(--acc);background:rgba(46,230,255,.08);
    color:var(--acc);box-shadow:0 0 18px rgba(46,230,255,.1)}
.ac-menu-item.danger{color:#ff8a8a}
.ac-menu-item.danger:hover{background:rgba(255,120,120,.12);border-color:rgba(255,120,120,.4)}
.consent-row{display:flex;align-items:center;gap:12px;margin:14px 0 6px;padding:4px 2px;font-size:15px;font-weight:500;color:#aebbc9;line-height:1.5;cursor:pointer}
.consent-row input{flex:0 0 auto;width:22px;height:22px;accent-color:#2ee6ff;cursor:pointer}
.step-skip{display:inline-block;margin-left:8px;padding:2px 10px;border:1px dashed rgba(46,230,255,.45);border-radius:999px;font-size:12px;color:#7fb9c9;line-height:1.5;white-space:nowrap}

  /* ---- 上传 ---- */
  .file-wrap{position:relative}
  .file-input{opacity:0;position:absolute;inset:0;cursor:pointer;z-index:2}
  .file-box{
    display:flex;align-items:center;gap:12px;padding:14px 16px;
    border:1.5px dashed rgba(140,180,255,.3);border-radius:14px;
    background:rgba(10,16,32,.5);cursor:pointer;transition:all .2s;min-height:52px;
  }
  .file-box:hover{border-color:var(--acc);background:rgba(46,230,255,.05)}
  .file-box.has-files{border-style:solid;border-color:#34d399;background:rgba(52,211,153,.06)}
  .file-icon{font-size:22px;flex-shrink:0}
  .file-text{font-size:14.5px;color:#a3b3d4}
  .file-names{display:flex;flex-direction:column;gap:9px;margin-top:10px;width:min(100%,620px)}
  .asset-row{position:relative;z-index:3;display:grid;grid-template-columns:56px minmax(0,1fr);gap:10px;align-items:start;width:100%}
  .file-box>div{flex:1;min-width:0}
  .asset-desc{position:relative;z-index:4;width:100%;min-height:42px;padding:9px 11px;border-radius:9px;
    border:1px solid rgba(140,180,255,.3);background:#0b1222;color:#e8eefb;font:inherit;font-size:13px;outline:none}
  .asset-desc:focus{border-color:var(--acc);box-shadow:0 0 0 2px rgba(46,230,255,.1)}
  .asset-desc::placeholder{color:#657694}
  /* 即梦式缩略图预览（z-index 需高于隐形 file-input 的 2，才能点到删除按钮） */
  .thumb{position:relative;z-index:3;width:56px;height:56px;border-radius:10px;overflow:hidden;
    border:1.5px solid rgba(46,230,255,.45);flex:0 0 auto;background:#0b1222}
  .thumb img{width:100%;height:100%;object-fit:cover;display:block}
  .thumb-x{position:absolute;top:0;right:0;width:19px;height:19px;line-height:17px;text-align:center;
    background:rgba(0,0,0,.68);color:#fff;font-size:14px;cursor:pointer;border-radius:0 0 0 9px;transition:background .12s}
  .thumb-x:hover{background:#ef4444}
  .thumb .asset-n{position:absolute;left:3px;bottom:3px;padding:2px 5px;border-radius:5px;background:rgba(0,0,0,.72);color:#fff;font-size:10px;font-weight:700}
  .thumb-add{display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700;
    color:var(--acc);background:rgba(46,230,255,.08);border:1.5px dashed rgba(46,230,255,.45);cursor:pointer}
  .asset-add-row{display:flex;align-items:center;gap:9px;color:#7f91af;font-size:12px}
  .thumb-add:hover{background:rgba(46,230,255,.18)}
  /* 门店照类型标注（外景/内景/产品）：小图下方的小下拉 */
  .thumb-cell{display:flex;flex-direction:column;gap:4px;flex:0 0 auto}
  .thumb-tag{z-index:3;width:56px;font-size:11px;padding:2px 1px;border-radius:7px;cursor:pointer;
    background:#0b1222;color:#a3b3d4;border:1px solid rgba(46,230,255,.35)}
  .file-box.over-limit{border-color:#ef4444;background:rgba(239,68,68,.08)}

  /* ---- 生成按钮 / 进度 / 结果 ---- */
  .btn-primary{
    width:100%;font-size:18px;font-weight:800;letter-spacing:2px;padding:18px;border:0;
    border-radius:14px;background:var(--grad);color:#04121a;cursor:pointer;
    transition:all .2s;box-shadow:0 12px 44px rgba(46,230,255,.26);margin:26px 0 8px;
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 54px rgba(46,230,255,.4)}
  .btn-primary:active{transform:scale(.99)}
  .btn-primary:disabled{opacity:.45;cursor:not-allowed;transform:none}

  .progress{margin-top:16px}
  .bar{height:5px;background:rgba(140,180,255,.15);border-radius:3px;overflow:hidden}
  .bar>i{display:block;height:100%;width:0;border-radius:3px;
    background:linear-gradient(90deg,#2ee6ff,#8b5cf6);transition:width .35s ease}
  .log{margin-top:10px;font-size:14.5px;color:#a3b3d4;min-height:22px}
  .live{display:flex;align-items:center;gap:9px;margin-top:12px;font-size:15.5px;color:#7fe6ff;line-height:1.45}
  .live .dot{width:9px;height:9px;border-radius:50%;background:#2ee6ff;flex:0 0 auto;
    box-shadow:0 0 10px rgba(46,230,255,.7);animation:beat 1.3s ease-in-out infinite}
  @keyframes beat{0%,100%{opacity:.22;transform:scale(.72)}50%{opacity:1;transform:scale(1.22)}}
  .eta{margin-top:7px;font-size:13.5px;color:#8fa0c4}
  .bg-tip{margin-top:9px;font-size:13px;line-height:1.65;color:#9fb0d4;background:rgba(46,230,255,.07);border:1px solid rgba(46,230,255,.22);border-radius:10px;padding:8px 11px}
  .bg-tip b{color:#cfe6ff}
  .his-shot img.his-img{position:absolute;inset:0;z-index:1}
  video{width:100%;border-radius:14px;margin-top:14px;background:#000;border:1px solid var(--line)}
    .pub-box{margin-top:18px;padding:16px;border:1.5px solid var(--border);border-radius:12px;background:rgba(46,230,255,.04)}
    .pub-h{font-size:15px;font-weight:700;color:var(--acc);margin-bottom:4px}
    .pub-sub{font-size:12.5px;color:#8fa0c4;margin-bottom:12px}
    .pub-item{margin:12px 0}
    .pub-lab{font-size:12.5px;color:#8fa0c4;margin-bottom:5px}
    .pub-txt{font-size:16px;line-height:1.75;color:var(--txt);white-space:pre-wrap;word-break:break-word}
    .pub-copy{display:inline-block;margin-left:8px;padding:3px 11px;font-size:12.5px;border:1px solid var(--border);border-radius:999px;color:var(--acc);background:transparent;cursor:pointer}
    .pub-copy:hover{border-color:var(--acc)}
    .pub-tags{margin-top:2px}
    .pub-tags span{display:inline-block;margin:0 6px 6px 0;padding:4px 11px;border-radius:999px;background:rgba(46,230,255,.1);color:var(--acc);font-size:13.5px}
  .hidden{display:none}
  /* ---- STEP 05 分步把关 ---- */
  .step-block{border:0;border-bottom:1px solid rgba(200,213,242,.22);border-radius:0;padding:12px 6px;margin:0;background:transparent;min-height:82px;box-sizing:border-box;display:flex;flex-direction:column;justify-content:center;align-items:stretch}
  .skip-step-bar{display:flex;justify-content:center;margin:18px 0;padding:0 6px}
  .btn-skip-step{border:1.5px solid var(--acc);background:var(--acc);color:#04121a;font-size:14px;font-weight:900;padding:9px 16px;border-radius:8px;cursor:pointer;transition:.15s;max-width:100%;line-height:1.4}
  .btn-skip-step:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(46,230,255,.3)}
  .btn-skip-step:disabled{opacity:.55;cursor:wait;transform:none}
  .step-block:last-child{border-bottom:0}
  .step-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;min-height:54px;width:100%}
  .step-title{font-size:15.5px;font-weight:800;flex:1 1 auto;border-bottom:0;text-decoration:none}
  .step-title .fmt{font-size:11.5px;font-weight:700;color:var(--acc);border:1px solid var(--border);border-radius:6px;padding:1px 6px;margin-left:6px;vertical-align:middle}
  .btn-mini{border:1.5px solid var(--acc);background:rgba(46,230,255,.08);color:var(--acc);
    font-size:13.5px;font-weight:800;padding:7px 14px;border-radius:10px;cursor:pointer;transition:.15s}
  .btn-mini:hover{background:var(--acc);color:#04121a}
  .btn-mini:disabled{opacity:.5;cursor:not-allowed}
  .btn-mini.ghost{border-color:var(--border);color:#9fb2d4;background:transparent}
  .btn-mini.ghost:hover{border-color:var(--acc);color:var(--acc);background:rgba(46,230,255,.06)}
  .step-state{font-size:12.5px;color:#8fa0c4;font-weight:700}
  .step-state.err{color:#ff8a8a}
  .step-state.ok{color:#2ee6ff}
  .hint.small{margin-top:6px;font-size:12.5px;margin-bottom:0}
  .tip-hover{position:relative;cursor:help;border-bottom:0}
  .tip-hover::after{content:attr(data-tip);position:absolute;z-index:20;left:0;top:calc(100% + 8px);
    width:max-content;max-width:min(360px,80vw);padding:8px 10px;border:1px solid var(--border);
    border-radius:8px;background:rgba(9,16,32,.97);box-shadow:0 8px 24px rgba(0,0,0,.3);
    color:#c8d5f2;font-size:12px;font-weight:500;line-height:1.5;letter-spacing:0;white-space:normal;
    opacity:0;visibility:hidden;transform:translateY(-3px);transition:opacity .15s,transform .15s}
  .tip-hover:hover::after,.tip-hover:focus-visible::after{opacity:1;visibility:visible;transform:translateY(0)}
  .script-edit{margin-top:10px;min-height:190px;font-size:14.5px;line-height:1.75}
  .script-idea-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin-top:10px}
  .script-idea-card{width:100%;text-align:left;border:1px solid var(--border);border-radius:12px;padding:12px;background:rgba(255,255,255,.025);color:var(--txt);cursor:pointer}
  .script-idea-card:hover,.script-idea-card.selected{border-color:var(--acc);background:rgba(46,230,255,.08)}
  .script-idea-title{font-weight:800;color:var(--acc);margin-bottom:6px}
  .script-idea-copy{font-size:12.5px;line-height:1.6;color:#bdc9e3}
  .storyboard-preview{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px;margin-top:12px;max-width:980px;border:1px solid var(--line);border-radius:14px;padding:12px;overflow:hidden;background:#080d18}
  .storyboard-preview>#storyboardFirstLabel,.storyboard-preview>#storyboardImage{display:none}
  .storyboard-item{position:relative;min-width:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#050913}
  .storyboard-item img{display:block;width:100%;height:auto;object-fit:contain}
  .storyboard-label{padding:7px 9px;color:#b9c8e8;font-size:12px;background:rgba(7,14,28,.9)}
  .storyboard-del{position:absolute;right:8px;top:38px;z-index:2;border:1px solid rgba(255,255,255,.45);border-radius:7px;padding:6px 9px;background:rgba(120,20,30,.92);color:#fff;font-size:12px;font-weight:700;cursor:pointer;box-shadow:0 3px 10px rgba(0,0,0,.35)}
  .storyboard-del:hover{background:#e5534b}
  .asset-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;margin-top:12px}
  .asset-grid:empty{display:none}
  .asset-card{position:relative;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#04070e;cursor:zoom-in}
  .asset-card img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}
  .asset-card .asset-n{position:absolute;left:8px;top:8px;font-size:11.5px;font-weight:800;
    background:rgba(4,10,20,.72);color:#cfe0ff;border-radius:6px;padding:2px 7px}
  .asset-card .asset-del{position:absolute;right:8px;top:8px;width:24px;height:24px;line-height:22px;text-align:center;
    border-radius:50%;background:rgba(4,10,20,.72);color:#ffb3b3;font-size:16px;font-weight:800;cursor:pointer;border:1px solid var(--border)}
  .asset-card .asset-del:hover{background:#e5534b;color:#fff}
  .asset-cap{font-size:12px;color:#8fa0c4;padding:7px 9px}
  /* 图片放大 */
  .lb{position:fixed;inset:0;z-index:999;display:none;align-items:center;justify-content:center;
    background:rgba(3,6,12,.92);padding:24px}
  .lb.show{display:flex}
  .lb img{max-width:96vw;max-height:88vh;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.6)}
  .lb-x{position:absolute;right:28px;top:24px;z-index:2;min-width:132px;height:48px;padding:0 16px;
    display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:999px;
    background:linear-gradient(135deg,#20d8f5,#1689e8);color:#03121d;font-size:16px;font-weight:800;
    line-height:1;border:2px solid rgba(255,255,255,.9);box-shadow:0 8px 24px rgba(0,0,0,.55),0 0 22px rgba(32,216,245,.45);cursor:pointer}
  .lb-x span{font-size:28px;line-height:18px;font-weight:500}
  .lb-x:hover{background:linear-gradient(135deg,#72f3ff,#35a9ff);transform:translateY(-1px)}
  .lb-x:focus-visible{outline:3px solid #fff;outline-offset:3px}
  @media (max-width:640px){.lb-x{right:14px;top:14px;min-width:118px;height:44px;font-size:14px}}
  @media (max-width:640px){
    .step-title{font-size:15px}
    .asset-grid{grid-template-columns:1fr}
  }
  a.dl{display:inline-flex;align-items:center;gap:6px;margin-top:10px;
    font-size:14px;font-weight:700;color:var(--acc);text-decoration:none}
  a.dl:hover{text-decoration:underline}
  /* 成片预览：默认小预览，点击放大全屏自适应 */
  #vid{width:min(300px,100%);max-width:300px;border-radius:12px;display:block;cursor:zoom-in;
    box-shadow:0 10px 30px rgba(0,0,0,.4);background:#000}
  .vid-lb{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;
    background:rgba(3,6,12,.94);padding:24px}
  .vid-lb.show{display:flex}
  .vid-lb video{max-width:96vw;max-height:90vh;width:auto;height:auto;border-radius:12px;
    box-shadow:0 20px 60px rgba(0,0,0,.65);background:#000}
  .vid-lb .lb-x{position:absolute;right:22px;top:18px;width:42px;height:42px;border-radius:50%;
    background:rgba(255,255,255,.1);color:#fff;font-size:26px;line-height:38px;border:1px solid rgba(255,255,255,.25);cursor:pointer}
  .vid-lb .lb-x:hover{background:rgba(255,255,255,.22)}
  .dl-progress{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:3;display:none;
    flex-direction:column;align-items:center;gap:14px;min-width:280px;max-width:80vw;
    background:rgba(6,12,22,.85);border:1px solid rgba(46,230,255,.32);border-radius:14px;padding:22px 26px;
    box-shadow:0 20px 60px rgba(0,0,0,.6)}
  .dl-tip{font-size:14.5px;color:#cfe6ff;font-weight:700}
  .dl-bar{width:240px;max-width:60vw;height:10px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
  .dl-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#2ee6ff,#46ffd0);border-radius:999px;transition:width .2s}
  .dl-pct{font-size:13px;color:#8fa0c4}

  /* ---- 我以前的片子（历史作品库） ---- */
  .his-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
  .his-card{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:14px;
    padding:12px;display:flex;flex-direction:column;gap:9px;transition:all .18s}
  .his-card:hover{border-color:rgba(46,230,255,.45);box-shadow:0 8px 26px rgba(46,230,255,.14)}
  .his-shot{position:relative;border-radius:10px;overflow:hidden;background:#000;
    aspect-ratio:9/16;max-width:172px;width:100%;margin:0 auto;cursor:pointer}
  .his-shot video,.his-shot img{width:100%;height:100%;object-fit:cover;display:block;border:0}
  .his-shot .his-pv{position:absolute;inset:0;z-index:2;display:none}
  .his-shot:hover .his-pv{display:block}
  .his-shot:hover .play{opacity:0}
  .his-shot .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
    font-size:34px;color:rgba(255,255,255,.9);text-shadow:0 2px 12px rgba(0,0,0,.6);pointer-events:none}
  .his-title{font-size:16px;font-weight:800;color:var(--txt);line-height:1.3;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .his-meta{font-size:13px;color:var(--sec);line-height:1.5}
  .his-ops{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}
  .his-btn{font-size:13.5px;font-weight:700;border-radius:8px;padding:7px 12px;cursor:pointer;
    border:1px solid rgba(46,230,255,.4);background:rgba(46,230,255,.07);color:var(--acc);
    text-decoration:none;display:inline-flex;align-items:center;gap:4px;transition:all .15s}
  .his-btn:hover{background:rgba(46,230,255,.16)}
  .his-btn.del{border-color:rgba(255,120,120,.4);background:rgba(255,120,120,.07);color:#ff9b9b}
  .his-btn.del:hover{background:rgba(255,120,120,.16)}
  .his-more{display:block;margin:18px auto 2px;min-width:108px}
  .his-empty{font-size:15px;color:var(--sec);padding:14px 2px}
  @media (max-width:920px){ .his-grid{grid-template-columns:repeat(2,1fr)} }
  @media (max-width:480px){ .his-grid{grid-template-columns:1fr} }

  /* ---- 反馈 ---- */
  .fb-attach{display:flex;align-items:center;gap:10px;margin:8px 0 6px;flex-wrap:wrap}
  .fb-file{display:inline-block;cursor:pointer;user-select:none;font-size:15px;color:#2ee6ff;
    border:1px dashed rgba(46,230,255,.55);border-radius:10px;padding:7px 14px;background:rgba(46,230,255,.06)}
  .fb-file:active{opacity:.7}
  .fb-previews{display:flex;gap:10px;flex-wrap:wrap;margin:2px 0 10px}
  .fb-previews .pbox{position:relative;width:96px}
  .fb-previews img{width:96px;height:96px;object-fit:cover;border-radius:10px;border:1px solid var(--border);
    display:block;cursor:zoom-in}
  .fb-previews .del{position:absolute;top:-6px;right:-6px;width:22px;height:22px;line-height:20px;
    text-align:center;border-radius:50%;background:#ff5a5f;color:#fff;font-size:14px;cursor:pointer;
    box-shadow:0 2px 6px rgba(0,0,0,.35)}
  .fb{margin:28px 0 6px}
  .fb textarea{margin-top:10px}
  .fb-send{
    background:rgba(255,255,255,.05);color:var(--acc);border:1px solid rgba(46,230,255,.45);
    font-weight:700;font-size:14px;padding:11px 22px;margin-top:12px;border-radius:10px;
    cursor:pointer;transition:all .15s;
  }
  .fb-send:hover{background:var(--acc);color:#04121a;box-shadow:0 0 18px rgba(46,230,255,.35)}

  .foot{position:relative;z-index:1;text-align:center;color:var(--dim);
    font-family:var(--mono);font-size:13px;letter-spacing:1px;padding:36px 24px 52px}

  /* ---- 揭示动画 ---- */
  .reveal{
    opacity:0;transform:translateY(40px);
    transition:opacity .8s var(--ease),transform .8s var(--ease);
  }
  .reveal.in{opacity:1;transform:none}

  /* ---- 充值弹窗 ---- */
  .mask{
    position:fixed;inset:0;background:rgba(3,6,14,.7);
    backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
    display:none;align-items:center;justify-content:center;z-index:200;
  }
  .mask.show{display:flex}
  .modal{
    background:#0c1224;border:1px solid rgba(140,180,255,.2);border-radius:20px;
    box-shadow:0 30px 90px rgba(0,0,0,.7);padding:32px;max-width:400px;width:92%;
  }
  .modal h3{font-size:21px;font-weight:800;margin:0 0 18px}
  .close{float:right;cursor:pointer;color:#71809f;font-size:22px;line-height:1;background:none;border:none;padding:4px}
  .chan{display:flex;gap:10px;margin-bottom:16px}
  .chan button{
    flex:1;padding:10px;font-size:14px;font-weight:700;color:#c8d5f2;
    background:rgba(255,255,255,.04);border:1px solid rgba(140,180,255,.22);
    border-radius:10px;cursor:pointer;transition:all .15s;
  }
  .chan button.on{background:var(--grad);color:#04121a;border-color:transparent}
  .amtrow{display:flex;gap:8px;margin-bottom:20px}
  /* 充值弹窗：收款码 */
  .qr-tabs{display:flex;gap:8px;margin-bottom:12px}
  .qr-tabs button{flex:1;padding:11px;border-radius:10px;border:1px solid var(--line);
    background:rgba(255,255,255,.03);color:var(--txt);font-size:15.5px;font-weight:700;cursor:pointer}
  .qr-tabs button.on{background:var(--grad);color:#04121a;border-color:transparent}
  .qr-wrap{border:1px solid var(--line);border-radius:14px;padding:14px;text-align:center;
    background:rgba(255,255,255,.03);margin-bottom:14px}
  .qr-wrap img{width:200px;height:200px;border-radius:10px;background:#fff;object-fit:contain;display:block;margin:0 auto}
  .qr-hint{font-size:13px;color:#8fa0c4;margin-top:8px}
  .amtrow button{
    flex:1;padding:10px;font-size:16px;font-weight:800;color:#c8d5f2;
    background:rgba(255,255,255,.04);border:1px solid rgba(140,180,255,.22);
    border-radius:10px;cursor:pointer;transition:all .15s;
  }
  .amtrow button.on{background:var(--grad);color:#04121a;border-color:transparent}
  #qrbox{text-align:center;margin:16px 0}
  #qrbox img{max-width:210px;border-radius:14px;background:#fff;padding:10px;
    box-shadow:0 0 34px rgba(46,230,255,.2)}
  .qrnote{font-size:12px;color:#8fa0c4;line-height:1.6}

  /* ---- 登录遮罩 ---- */
  .login-mask{
    position:fixed;inset:0;z-index:300;display:none;
    align-items:center;justify-content:center;
    background:rgba(3,6,14,.76);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  }
  .login-mask.show{display:flex}
  .login-card{
    background:#0c1224;border:1px solid rgba(140,180,255,.2);border-radius:20px;
    box-shadow:0 30px 90px rgba(0,0,0,.7);padding:24px 22px;max-width:420px;width:92%;max-height:calc(100dvh - 24px);overflow:auto;text-align:center;
  }
  .login-card h2{font-size:30px;font-weight:800;letter-spacing:-.01em;margin-bottom:8px}
  .login-card .sub{font-size:16.5px;color:#8fa0c4;margin-bottom:22px}
  .login-tabs{display:flex;gap:8px;margin-bottom:16px}
  .login-tabs button{
    flex:1;padding:12px;font-size:16.5px;font-weight:700;color:#c8d5f2;
    background:rgba(255,255,255,.04);border:1px solid rgba(140,180,255,.22);
    border-radius:10px;cursor:pointer;transition:all .15s;
  }
  .login-tabs button.on{background:var(--grad);color:#04121a;border-color:transparent}
  .pw-seg{display:flex;gap:6px;margin-bottom:14px}
  .pw-seg button{
    flex:1;padding:10px 4px;font-size:16px;font-weight:700;color:#c8d5f2;
    background:rgba(255,255,255,.04);border:1px solid rgba(140,180,255,.22);
    border-radius:9px;cursor:pointer;transition:all .15s;
  }
  .pw-seg button.on{background:var(--grad);color:#04121a;border-color:transparent}
  .login-panel{display:none}
  .login-panel.on{display:block}
  #wxQrBox img{max-width:250px;border-radius:14px;padding:8px;background:#fff;
    box-shadow:0 0 34px rgba(46,230,255,.18)}
  #wxQrBox .wx-frame-shell{width:230px;height:332px;margin:0 auto;overflow:hidden;border-radius:12px;background:#fff}
  #wxQrBox .wx-login-frame{display:block;width:320px;height:460px;max-width:none;border:0;background:#fff;transform:scale(.72);transform-origin:top left}
  #wxQrBox .qrnote{font-size:15px;color:#8fa0c4;line-height:1.6;margin-top:10px}
  .wx-dev-box{
    border:1.5px dashed rgba(140,180,255,.3);border-radius:14px;padding:22px 16px;
    margin:8px 0 4px;background:rgba(255,255,255,.03);
  }
  .wx-dev-box .big{font-size:38px}
  .wx-dev-box .t{font-size:17px;color:var(--txt);margin-top:8px;font-weight:800}
  .wx-dev-box .d{font-size:15.5px;color:#93a4c8;margin-top:8px;line-height:1.7;
    text-align:left;word-break:break-all;overflow-wrap:anywhere}
  .switch-line{font-size:15px;color:#8291b3;margin-top:14px;line-height:1.6}
  .switch-line a{color:var(--acc);cursor:pointer;text-decoration:none}
  .login-err{font-size:15px;color:#ff6b78;min-height:20px;margin-top:10px}
  .login-card .btn-primary{margin-top:8px;font-size:18px;padding:14px}
  .login-hint{font-size:14px;color:#6b7ba0;margin-top:12px;line-height:1.6}
  .login-card .close-x{
    position:absolute;top:14px;right:18px;font-size:26px;line-height:1;
    color:#8fa0c4;background:none;border:0;cursor:pointer;padding:6px;
  }
  .login-card .close-x:hover{color:#fff}
  .login-card{position:relative}

  /* ====== 响应式：手机 / 平板，字号全面放大，照顾 50+ 用户 ====== */
  @media (max-width:920px){
    body{font-size:18px}
    .nav{height:54px}
    .brand-main{font-size:18px}
    .hero{min-height:52vh;padding:66px 18px 28px}
    .hero-inner{text-align:center}
    .hero-copy{align-items:center}
    .brandmark{width:48px;height:48px;border-radius:14px}
    .hero-logo{font-size:clamp(38px,10vw,60px)}
    .hero-tag{font-size:clamp(16px,4.4vw,22px);margin-top:3px}
    .hero-slogan{font-size:clamp(18px,5vw,27px);padding:8px 11px;max-width:100%;margin-top:7px}
    .hero-sub{font-size:clamp(14px,3.8vw,17px);margin-top:5px}
    .btn-hero{font-size:15px;padding:11px 30px;margin-top:10px}
    .hero-account{margin-top:12px;gap:10px}
    .hero-login-btn,.hero-reg-btn{font-size:14px;padding:9px 25px;min-width:104px}
    .studio-head{margin:22px 0 18px}
    .studio-head h2{font-size:clamp(24px,7vw,34px)}
    .studio-grid{grid-template-columns:1fr;gap:16px}
    .content-type-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .studio-grid>.col{display:contents}
    .studio-grid>.col:first-child .card:nth-child(1){order:1}
    .studio-grid>.col:last-child .card:nth-child(1){order:2}
    .studio-grid>.col:first-child .card:nth-child(2){order:3;display:block}
    .studio-grid>.col:last-child .card:nth-child(2){order:4}
    .film-reference-notes{min-height:190px}
    .card{padding:20px 18px}
    .card h3{font-size:22px}
    label{font-size:16.5px}
    input,textarea,select{font-size:17.5px;padding:14px 16px}
    .hint{font-size:14px}
    .tier-name{font-size:16.5px}
    .tier-desc{font-size:13.5px}
    .radio-inline label,.plot-chips label,.film-chips label{font-size:15.5px;padding:13px}
    .btn-primary{font-size:18.5px;padding:19px}
    .file-text{font-size:14.5px}
    .log{font-size:14.5px}
    .opt-big{font-size:15px;padding:3px 12px}
    .mn-item{font-size:15.5px;padding:13px 14px}
    .mn-k{font-size:14px}
    .mn-sub-inline{font-size:14.5px}
  }
  @media (max-width:480px){
    body{font-size:18px}
    .card{padding:18px 16px}
    .content-type-grid{grid-template-columns:1fr}
    .content-type-option{padding:14px 13px}
    .row{flex-direction:column;gap:0}
    .hero-logo{font-size:clamp(36px,10vw,52px)}
    .hero-tag{font-size:clamp(15px,4.4vw,20px)}
    .hero-slogan{font-size:clamp(17px,4.9vw,23px);padding:7px 9px;letter-spacing:0}
    .hero-sub{font-size:14px}
    label{font-size:17px}
    input,textarea,select{font-size:18px;padding:15px 17px}
    .hint{font-size:14.5px}
    .plot-chips,.film-chips{justify-content:flex-start}
    .plot-chips label,.film-chips label{font-size:15.5px;padding:11px 15px}
    .file-text{font-size:15px}
    .btn-primary{font-size:19px;padding:19px}
    .hero-login-btn,.hero-reg-btn{font-size:14px;padding:9px 23px;min-width:100px}
  }

  /* ---- 视频封面 ---- */
  #coverSec .cover-frames{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 14px}
  #coverSec .cover-frames img{width:84px;height:149px;object-fit:cover;border-radius:8px;border:2px solid transparent;cursor:pointer;opacity:.85;transition:.15s}
  #coverSec .cover-frames img:hover{opacity:1}
  #coverSec .cover-frames img.sel{border-color:var(--acc);opacity:1;box-shadow:0 0 12px rgba(46,230,255,.4)}
  .cover-row{display:flex;gap:18px;flex-wrap:wrap;align-items:flex-start}
  .cover-preview{position:relative;width:min(300px,100%);aspect-ratio:9/16;background:#000;border-radius:12px;overflow:hidden;flex:0 0 auto;container-type:size}
  .cover-preview>img{width:100%;height:100%;object-fit:cover;display:block}
  .cover-title{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:100%;text-align:center;
    font-family:'Ma Shan Zheng',serif;color:#fff;font-size:13cqw;line-height:1.15;padding:0 6%;
    text-shadow:0 2px 10px rgba(0,0,0,.85);-webkit-text-stroke:1px rgba(0,0,0,.35);pointer-events:none}
  .cover-sub{position:absolute;left:50%;top:calc(50% + 10cqw);transform:translate(-50%,0);width:100%;text-align:center;
    font-family:'ZCOOL KuaiLe',sans-serif;color:#ffe27a;font-size:5.2cqw;letter-spacing:1px;
    text-shadow:0 2px 8px rgba(0,0,0,.85);pointer-events:none}
  .cover-form{flex:1 1 220px;min-width:200px;display:flex;flex-direction:column;gap:8px}
  .cover-form label{font-size:13px;color:#bcd;margin-top:4px}
  .cover-form input{width:100%;padding:10px 12px;border-radius:10px;border:1px solid rgba(255,255,255,.15);
    background:rgba(255,255,255,.05);color:#eaf6ff;font-size:16px}
  .cover-form .btn-primary{margin-top:8px}
  .cover-form .btn-ghost{margin-top:2px}

.filing-row{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:6px 22px;margin-top:12px}.filing-row a{display:inline-flex;align-items:center;gap:6px;color:#8fa0c4;text-decoration:none;white-space:nowrap;line-height:1.6}.filing-row a:hover{text-decoration:underline}.filing-row img{display:block;flex:none;width:20px;height:20px}