:root{
  --bg:#f5f6fb;
  --card:#ffffff;
  --title:#1c1f2e;
  --text:#2c3148;
  --sub:#8b90a7;
  --sub2:#5c6178;
  --dim:#a0a5b8;
  --acc:#6d5cff;
  --acc2:#8b7cff;
  --line:rgba(36,40,64,.08);
  --soft:#f3f4fb;
  --ok:#2f9e6a;
  --err:#e85d5d;
  --warn:#d4882a;
  --btn:linear-gradient(135deg,#8b7cff,#6d5cff);
  --shadow:0 12px 36px rgba(40,44,80,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:
    radial-gradient(900px 420px at 8% -10%,rgba(139,124,255,.16),transparent 60%),
    radial-gradient(760px 380px at 100% 0%,rgba(56,189,248,.11),transparent 62%),
    radial-gradient(720px 420px at 62% 112%,rgba(251,113,133,.09),transparent 62%),
    var(--bg);
  background-attachment:fixed;
  color:var(--text);
  font:14px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--acc);text-decoration:none}
.shell{display:grid;grid-template-columns:232px 1fr;min-height:100vh}
.rail{
  background:#fff;color:var(--title);border-right:1px solid var(--line);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.brand{padding:22px 20px 16px;border-bottom:1px solid var(--line)}
.brand b{display:block;font-size:16px;letter-spacing:.04em;color:var(--title)}
.brand span{display:block;margin-top:4px;font-size:12px;color:var(--sub)}
.nav{padding:12px 10px;flex:1;overflow:auto}
.nav .g{font-size:11px;color:var(--dim);padding:10px 12px 6px;letter-spacing:.12em}
.nav a{
  display:block;padding:10px 12px;border-radius:12px;color:var(--sub2);margin-bottom:2px;
}
.nav a:hover{background:var(--soft);color:var(--title)}
.nav a.on{background:linear-gradient(135deg,rgba(109,92,255,.16),rgba(109,92,255,.06));color:var(--acc);font-weight:650}
.rail-foot{padding:14px 16px;border-top:1px solid var(--line);font-size:12px;color:var(--sub);display:flex;flex-direction:column;gap:6px}
.main{min-width:0;display:flex;flex-direction:column}
.top{
  height:64px;display:flex;align-items:center;justify-content:space-between;
  padding:0 28px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.86);backdrop-filter:blur(12px);
  position:sticky;top:0;z-index:8;
}
.top h1{font-size:18px;font-weight:720;color:var(--title)}
.userbox{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--sub)}
.userbox b{color:var(--title)}
.top-point{cursor:help}
.top-msg{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;color:var(--sub2);
  border:1px solid var(--line);background:#fff;transition:.16s;
}
.top-msg:hover{color:var(--acc);border-color:rgba(109,92,255,.4);background:var(--soft)}
.top-msg i{
  position:absolute;top:-4px;right:-4px;min-width:16px;height:16px;padding:0 4px;
  border-radius:999px;background:#f43f5e;color:#fff;font-style:normal;
  font-size:10.5px;line-height:16px;text-align:center;font-weight:700;
}
.canvas{padding:28px 32px 56px;max-width:1180px;width:100%;margin:0 auto}
.hero{display:grid;grid-template-columns:1.45fr .7fr;gap:16px;margin-bottom:18px}
.hero-card,.panel{
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow);padding:24px;
}
.hero-card{
  background:linear-gradient(135deg,#8b7cff 0%,#6d5cff 58%,#5a4ae6 100%);
  color:#fffaf4;border:0;
}
.hero-card .kicker{color:rgba(255,250,244,.78)}
.hero-card h2{color:#fffaf4}
.hero-card .muted{color:rgba(255,250,244,.82)}
.kicker{font-size:12px;letter-spacing:.12em;color:var(--acc);margin-bottom:6px}
.hero h2{font-size:28px;line-height:1.28;margin-bottom:10px;font-weight:720}
.muted{color:var(--sub)}
.trust{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.trust span{
  padding:6px 12px;border-radius:999px;font-size:12px;
  background:rgba(255,255,255,.16);color:#fff;
}
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:22px}
.pillar{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow);padding:18px 16px;cursor:pointer;
}
.pillar:hover{transform:translateY(-2px);transition:.16s}
.pillar .ico{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(109,92,255,.10);margin-bottom:12px;
}
.pillar .ico img{width:22px;height:22px}
.pillar h3{font-size:15px;color:var(--title);margin-bottom:4px}
.pillar p{font-size:12px;color:var(--sub);line-height:1.55}
.boards,.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.board,.feat{
  min-height:148px;padding:20px;border-radius:20px;background:var(--card);
  border:1px solid var(--line);box-shadow:var(--shadow);cursor:pointer;position:relative;overflow:hidden;
}
.board:hover,.feat:hover{transform:translateY(-2px);transition:.16s}
.board .no,.feat .no{font-size:12px;letter-spacing:.16em;color:var(--acc)}
.board h3,.feat h3{font-size:20px;margin:8px 0 6px;color:var(--title)}
.board p,.feat p{color:var(--sub);font-size:13px}
.feat.drama{background-image:linear-gradient(165deg,rgba(139,124,255,.22),transparent 72%)}
.feat.novel{background-image:linear-gradient(165deg,rgba(192,132,252,.22),transparent 72%)}
.feat.paint{background-image:linear-gradient(165deg,rgba(251,113,133,.20),transparent 72%)}
.feat.motion{background-image:linear-gradient(165deg,rgba(56,189,248,.20),transparent 72%)}
.feat.analyze{background-image:linear-gradient(165deg,rgba(56,189,248,.20),transparent 72%)}
.feat.script{background-image:linear-gradient(165deg,rgba(245,158,11,.18),transparent 72%)}
.feat.clip{background-image:linear-gradient(165deg,rgba(99,102,241,.20),transparent 72%)}
.split{display:grid;grid-template-columns:220px 1fr;gap:18px}
.tools a,.chip{
  display:block;padding:10px 12px;border-radius:12px;border:1px solid var(--line);
  background:#fff;margin-bottom:8px;color:var(--title);
}
.tools a.on,.chip.on{border-color:rgba(109,92,255,.36);background:rgba(109,92,255,.10);color:var(--acc)}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;color:var(--sub);margin-bottom:6px}
.input,textarea.input,select.input{
  width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:var(--soft);
}
textarea.input{min-height:110px;resize:vertical;background:#fff}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:10px 18px;border:0;border-radius:999px;background:var(--btn);
  color:#fff;font-weight:700;
}
.btn.ghost{background:#fff;color:var(--title);border:1px solid var(--line)}
.btn.block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}
.actions{display:flex;gap:10px;align-items:center;margin-top:8px;flex-wrap:wrap}
.actions .chip{display:inline-block;margin:0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.item{padding:16px;border:1px solid var(--line);border-radius:16px;background:#fff}
.item.on{border-color:rgba(109,92,255,.4);background:rgba(109,92,255,.08)}
.item b{display:block;margin-bottom:4px}
.item.media{padding:0;overflow:hidden;cursor:pointer;transition:transform .3s ease,box-shadow .3s ease}
.item.media:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(24,28,60,.13)}
.item.media .card-img{
  width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;object-position:center;
  display:block;background:#eceef8;transition:transform .35s ease;
}
.item.media:hover .card-img{transform:scale(1.035)}
.item.media.asset .card-img{aspect-ratio:3/4;object-position:center top}
.item.media .card-body{padding:12px 14px 14px}
.item.media .card-body b{line-height:1.45;word-break:break-word;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.item.media .card-body .muted{
  line-height:1.6;word-break:break-word;font-size:12.5px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:calc(1.6em * 2);
}
.item.media .extras,.extras{display:flex;gap:6px;padding:0 14px 10px}
.item.media .extras a,.extras a{flex:1 1 0;min-width:0;display:block}
.item.media .extras img,.extras img{width:100%;height:52px;object-fit:cover;border-radius:8px;background:#eceef8}
.hero-cover{width:100%;max-width:720px;height:auto;aspect-ratio:16/9;object-fit:cover;object-position:center;border-radius:16px;margin:0 auto 14px;background:#eceef8;display:block}
.hero-cover.portrait{aspect-ratio:3/4;max-width:380px;margin:0 auto 14px;border-radius:14px}
.plat-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.plat-head b{margin:0}
.plat-logo{width:36px;height:36px;border-radius:10px;object-fit:cover;flex:0 0 36px;background:#f3f4fb;border:1px solid var(--line)}
.tag{display:inline-block;padding:2px 8px;border-radius:999px;background:rgba(109,92,255,.12);color:var(--acc);font-size:12px}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:40px 16px;background:var(--bg);overflow:auto}
.login-card{width:min(460px,100%);background:var(--card);border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:var(--shadow)}
.login-tabs{display:flex;margin:12px 0 18px;border-bottom:1px solid var(--line)}
.login-tabs button{flex:1;padding:10px 0;border:0;background:transparent;color:var(--sub);border-bottom:2px solid transparent;font-size:14px}
.login-tabs button.on{color:var(--title);font-weight:650;border-bottom-color:var(--acc)}
.seg{display:flex;gap:8px;margin-bottom:14px}
.seg .chip{flex:1;text-align:center;margin:0}
.code-row{display:flex;gap:8px;align-items:flex-end;margin-bottom:14px}
.code-row .field{flex:1;margin:0}
.code-btn{
  height:42px;min-width:108px;padding:0 12px;margin-bottom:0;border-radius:12px;border:1px solid rgba(109,92,255,.36);
  background:rgba(109,92,255,.10);color:var(--acc);font-weight:650;font-size:13px;white-space:nowrap;
}
.code-btn.disabled{opacity:.55;cursor:not-allowed;background:var(--soft);border-color:var(--line);color:var(--sub)}
.hint-line{font-size:12px;color:var(--dim);line-height:1.6;margin:-4px 0 14px;cursor:pointer;background:transparent;border:0;padding:0;text-align:left;width:100%;font:inherit}
.agree{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--sub);line-height:1.65;margin:4px 0 16px}
.agree .ck{
  width:16px;height:16px;flex:0 0 16px;margin-top:2px;border:1px solid var(--line);border-radius:4px;
  display:grid;place-items:center;font-size:11px;color:#fff;cursor:pointer;background:#fff;
}
.agree .ck.on{background:var(--acc);border-color:var(--acc)}
.tips{margin-top:14px;text-align:center;font-size:12px;color:var(--dim)}
.legal-body{max-height:50vh;overflow:auto;white-space:pre-wrap;font-size:13px;color:var(--sub2);line-height:1.75;margin-top:10px}
.toast-mask,.dlg-mask{position:fixed;inset:0;z-index:50;display:grid;place-items:center;background:rgba(28,31,46,.32);padding:20px}
.toast-card,.dlg-card{width:min(420px,100%);background:#fff;border-radius:18px;padding:20px;box-shadow:var(--shadow)}
.pre{
  white-space:pre-wrap;word-break:break-word;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:16px;min-height:240px;font-family:ui-monospace,Consolas,monospace;font-size:13px;
}
.media-box img,.media-box video{max-width:100%;border-radius:12px;background:#111}
.up{
  height:180px;border:1px dashed var(--line);border-radius:14px;display:grid;place-items:center;
  background:var(--soft);color:var(--sub);overflow:hidden;cursor:pointer;
}
.up img{width:100%;height:180px;object-fit:cover}
.kpi{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:12px 0}
.kpi i{font-style:normal;display:block;padding:14px;background:var(--soft);border:1px solid var(--line);border-radius:12px;text-align:center}
.kpi b{display:block;font-size:20px;color:var(--title)}
.notice{padding:12px 14px;border-radius:12px;background:rgba(109,92,255,.08);color:#4b44a8;margin-bottom:14px}
.empty{padding:28px;text-align:center;color:var(--sub)}
.foot-note{margin-top:28px;font-size:12px;color:var(--dim);line-height:1.75}
/* 提示词标签云：点选即用，不用手填 */
.tag-field label{display:flex;align-items:center;gap:8px}
.tag-more{
  font-style:normal;font-size:11px;letter-spacing:0;color:var(--acc);
  background:rgba(109,92,255,.10);border-radius:999px;padding:1px 8px;
}
.tag-input{margin:0 0 8px}
.tag-cloud{
  display:flex;flex-wrap:wrap;gap:8px;padding:12px;border:1px solid var(--line);
  border-radius:14px;background:var(--soft);max-height:192px;overflow:auto;
}
.tag-cloud .chip{
  display:inline-block;margin:0;padding:6px 12px;border-radius:999px;
  font-size:12.5px;line-height:1.45;color:var(--sub2);background:#fff;
}
.tag-cloud .chip:hover{border-color:rgba(109,92,255,.32);color:var(--acc)}
.tag-cloud .chip.on{
  background:rgba(109,92,255,.14);border-color:rgba(109,92,255,.45);
  color:var(--acc);font-weight:650;box-shadow:0 0 0 3px rgba(109,92,255,.08);
}
.tag-cloud .chip.more{background:transparent;border-style:dashed;color:var(--acc)}
.tag-input{padding:8px 12px;font-size:12.5px;background:#fff}
.tag-note{font-size:12px;margin:0 0 8px;color:var(--sub)}

/* 意见反馈截图 */
.shots{display:flex;flex-wrap:wrap;gap:8px}
.shot{position:relative;width:84px;height:84px;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--soft);display:block}
.shot img{width:100%;height:100%;object-fit:cover;display:block}
.shot button{
  position:absolute;top:2px;right:2px;width:20px;height:20px;border-radius:50%;border:0;
  background:rgba(10,12,20,.65);color:#fff;font-size:13px;line-height:1;display:grid;place-items:center;cursor:pointer;
}
.shot-add{
  display:grid;place-items:center;width:84px;height:84px;padding:0;border-radius:12px;
  border:1px dashed var(--line);color:var(--sub);font-size:12px;background:#fff;cursor:pointer;
}
.shot-add:hover{color:var(--acc);border-color:var(--acc)}

/* ---------- 个人中心 ---------- */
.user-link{color:var(--title);font-weight:650;display:inline-flex;align-items:center;gap:8px}
.user-avatar{width:28px;height:28px;border-radius:8px;object-fit:cover;background:#eceaf8}
.user-link:hover{color:var(--acc)}
.profile-hero{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:18px;align-items:center}
.profile-avatar{
  width:66px;height:66px;border-radius:50%;display:grid;place-items:center;
  font-size:26px;font-weight:700;color:#fff;overflow:hidden;
  background:linear-gradient(135deg,#8b7cff,#5a4ae6);
}
.profile-avatar img{width:100%;height:100%;object-fit:cover}
.profile-main h2{font-size:20px;margin-bottom:4px;color:var(--title)}
.profile-main .actions{margin-top:10px}
.profile-stats{display:flex;gap:22px;text-align:right}
.profile-stats span{display:block;font-size:11.5px;color:var(--sub);margin-bottom:2px}
.profile-stats b{font-size:17px;color:var(--title)}
.profile-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:14px;margin-top:14px}
.grid-tight{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}

@media (max-width:900px){
  .profile-hero{grid-template-columns:auto minmax(0,1fr)}
  .profile-stats{grid-column:1/-1;justify-content:space-between;text-align:left;flex-wrap:wrap;gap:14px}
  .profile-grid{grid-template-columns:1fr}
}

@media (max-width:560px){
  .profile-hero{grid-template-columns:1fr}
  .profile-avatar{width:56px;height:56px}
  .profile-stats{justify-content:flex-start}
}

@media (max-width:1100px){
  .shell{grid-template-columns:196px 1fr}
  .hero{grid-template-columns:1fr}
  .pillars{grid-template-columns:repeat(2,1fr)}
  .canvas{padding:22px 18px 44px}
  .tag-cloud{max-height:172px}
}

/* 平板 / 手机：侧栏变顶部横向导航，所有双栏改单栏 */
@media (max-width:900px){
  .shell{grid-template-columns:1fr}
  .rail{
    position:sticky;top:0;height:auto;flex-direction:row;align-items:center;
    border-right:0;border-bottom:1px solid var(--line);z-index:20;overflow:hidden;
  }
  .brand{padding:10px 12px;border-bottom:0;flex:0 0 auto}
  .brand b{font-size:14px;white-space:nowrap}
  .brand span{display:none}
  .nav{
    display:flex;gap:4px;padding:8px 6px;overflow-x:auto;overflow-y:hidden;
    scrollbar-width:none;-webkit-overflow-scrolling:touch;
  }
  .nav::-webkit-scrollbar{display:none}
  .nav .g{display:none}
  .nav a{margin:0;padding:8px 10px;font-size:12px;white-space:nowrap;flex:0 0 auto;border:1px solid transparent}
  .nav a.on{border-color:rgba(109,92,255,.28)}
  .rail-foot{display:none}
  .top{height:54px;padding:0 14px;gap:10px}
  .top h1{font-size:16px}
  .userbox{gap:8px;font-size:12px}
  .userbox .btn{padding:7px 14px}
  .canvas{padding:16px 14px 40px}
  .split{grid-template-columns:1fr}
  .tools{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
  .tools::-webkit-scrollbar{display:none}
  .tools a{flex:0 0 auto;margin:0;padding:8px 12px;font-size:13px}
  .boards,.feat-grid,.row2,.pillars{grid-template-columns:1fr}
  .hero h2{font-size:23px}
  .panel,.hero-card{padding:18px;border-radius:16px}
  .board,.feat{min-height:0;padding:16px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px}
  .item{padding:14px}
  .login-card{padding:22px}
}

@media (max-width:560px){
  .grid{grid-template-columns:1fr}
  .top{height:50px;padding:0 10px}
  .top h1{font-size:15px;max-width:40vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .userbox span{display:none}
  .userbox{gap:6px}
  .user-link{max-width:72px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .top-msg{width:30px;height:30px}
  .canvas{padding:12px 10px 36px}
  .panel,.hero-card{padding:14px;border-radius:14px}
  .actions{gap:8px}
  .actions .btn{padding:9px 14px}
  .tag-cloud{max-height:156px;padding:10px}
  .tag-cloud .chip{padding:5px 10px;font-size:12px}
  .item.media .card-body{padding:10px 12px 12px}
  .dlg-card,.toast-card{padding:16px}
  .pre{min-height:180px;padding:12px}
}

.ai-gen-row{display:flex;align-items:center;gap:8px;margin-top:6px}
.ai-gen-row .chip{font-size:12px;padding:4px 10px}