/* ====== 变量 ====== */
:root{
  --bg:#251E56;
  --r-card:20px;--r-icon:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:#ddd6fe;line-height:1.65;overflow-x:hidden}
::selection{background:rgba(139,92,246,.4);color:#fff}

/* ====== 主舞台（匹配首页渐变动画） ====== */
.banner{display:flex;flex-direction:column;min-height:100vh}
.main-stage{
  background-image:radial-gradient(circle at 10% 20%,#794efe 0%,#a68cfb 90%);
  background-size:400%;background-position:0 100%;
  /*animation:Banner_gradient__1iGeC 7.5s ease-in-out infinite;*/
  z-index:1;
  color:#fff;
  padding:48px 28px 40px;
  position:relative;overflow:hidden;
  flex:1 1 auto;display:flex;flex-direction:column;align-items:center;
}
.main-stage::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(circle 420px at 50% 12%,rgba(192,132,252,.35) 0%,rgba(139,92,246,.15) 40%,transparent 70%),
    radial-gradient(circle 180px at 18% 22%,rgba(167,139,250,.20) 0%,transparent 65%),
    radial-gradient(circle 140px at 78% 16%,rgba(129,140,248,.18) 0%,transparent 60%);
  pointer-events:none;z-index:0;
}
.main-stage::after{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(circle 300px at 76% 62%,rgba(99,102,241,.28) 0%,transparent 65%),
    radial-gradient(circle 120px at 14% 58%,rgba(168,85,247,.16) 0%,transparent 60%),
    radial-gradient(circle 100px at 50% 82%,rgba(139,92,246,.12) 0%,transparent 55%);
  pointer-events:none;z-index:0;
}
@keyframes Banner_gradient__1iGeC{50%{background-position:100% 0}}

.stage-inner{position:relative;z-index:2;max-width:1440px;width:100%;margin:0 auto;flex:1;display:flex;flex-direction:column;justify-content:center}

/* ====== 左上角 Logo ====== */
.stage-logo{
  position:absolute;top:20px;left:28px;z-index:10;
  display:flex;align-items:center;gap:8px;
  text-decoration:none;color:#fff;
  font-size:15px;font-weight:700;
  opacity:.75;transition:opacity .25s;
}
.stage-logo:hover{opacity:1}
.stage-logo img{width:28px;height:28px;border-radius:6px}

/* ====== Hero ====== */
.hero-area{text-align:center;margin-bottom:20px}
.hero-area h1{font-size:clamp(30px,5vw,46px);font-weight:900;line-height:1.15;letter-spacing:.02em;margin-bottom:10px}
.hero-area h1 .l1{color:#f5f3ff;display:block}
.hero-area h1 .l2{color:#C4B5FD;display:block;font-size:clamp(16px,2.5vw,22px);font-weight:600px;margin-top:4px}
.hero-area p{font-size:14px;color:rgba(245,243,255,.52);line-height:1.65;max-width:600px;margin:0 auto}

.divider{width:110px;height:1px;background:linear-gradient(90deg,transparent,rgba(196,181,253,.38),transparent);margin:0 auto 22px;border-radius:1px}

/* ====== 工具容器 ====== */
.tool-wrap{
  background:rgba(30,24,70,.75);
  border:1px solid rgba(199,182,255,.18);
  border-radius:var(--r-card);
  overflow:hidden;
}

/* ====== Tab 栏 ====== */
.tab-bar{display:flex;border-bottom:1px solid rgba(199,182,255,.15);background:rgba(255,255,255,.04)}
.tab-btn{
  flex:1;display:flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 20px;background:none;border:none;
  color:rgba(245,243,255,.50);font-size:14px;font-weight:600;
  cursor:pointer;transition:all .3s;position:relative;
}
.tab-btn:hover{color:#f5f3ff;background:rgba(255,255,255,.04)}
.tab-btn.active{color:#fff;background:rgba(139,92,246,.12)}
.tab-btn.active::after{
  content:'';position:absolute;bottom:0;left:20%;right:20%;height:2px;
  background:linear-gradient(90deg,#6366F1,#22D3EE);border-radius:1px;
}
.tab-btn svg{opacity:.6;transition:opacity .3s}
.tab-btn.active svg{opacity:1}

/* ====== Tab 面板 ====== */
.tab-panel{display:none;padding:24px}
.tab-panel.active{display:block}

.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}

/* ====== 玻璃卡片 ====== */
.glass-card{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(199,182,255,.18);
  border-radius:var(--r-card);
  padding:clamp(20px,2.5vw,28px);
  position:relative;
  display:flex;flex-direction:column;
  transition:border-color .35s ease,box-shadow .35s ease,background .35s ease;
}
.glass-card:hover{
  background:rgba(255,255,255,.14);
  border-color:rgba(139,92,246,.35);
  box-shadow:0 20px 60px rgba(17,15,39,.4),0 0 60px rgba(139,92,246,.10);
}

.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;flex-wrap:wrap;gap:10px}
.card-header h3{font-size:clamp(14px,1.6vw,17px);font-weight:700;color:#fff;letter-spacing:-.01em}
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.toolbar .btn-add-word{white-space:nowrap}

.sel{
  padding:6px 12px;
  background:rgba(255,255,255,.10);border:1px solid rgba(199,182,255,.18);
  border-radius:8px;color:#f5f3ff;font-size:12px;cursor:pointer;outline:none;
  transition:border-color .2s;
}
.sel:focus{border-color:rgba(139,92,246,.5)}
.sel option{background:#2a1f5e;color:#fff}

.btn-ghost{
  padding:6px 12px;background:rgba(255,255,255,.06);
  border:1px solid rgba(199,182,255,.15);border-radius:8px;
  color:rgba(245,243,255,.55);font-size:12px;cursor:pointer;transition:all .2s;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}

/* ====== 文本输入 ====== */
.tarea{
  width:100%;min-height:256px;max-height:600px;padding:14px;
  background:rgba(0,0,0,.18);border:1px solid rgba(199,182,255,.15);
  border-radius:12px;color:#f5f3ff;font-size:14px;line-height:1.7;
  resize:none;outline:none;transition:border-color .2s;font-family:inherit;
  overflow-y:auto;
}
.tarea:focus{border-color:rgba(139,92,246,.5)}
.tarea::placeholder{color:rgba(245,243,255,.30)}

.card-ft{display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding-top:14px;border-top:1px solid rgba(255,255,255,.06)}
.char-c{font-size:12px;color:rgba(245,243,255,.35)}

/* ====== 主按钮 ====== */
.btn-go{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 24px;border:none;border-radius:12px;
  font-size:13px;font-weight:700;cursor:pointer;
  transition:all .3s ease;position:relative;overflow:hidden;
  color:#fff;
}
.btn-go svg{width:15px;height:15px;transition:transform .2s}
.btn-go:hover svg{transform:translateX(3px)}
.btn-go:disabled{opacity:.35;cursor:not-allowed;transform:none;box-shadow:none}
.btn-go:disabled:hover svg{transform:none}

.btn-go.c-warm{background:linear-gradient(135deg,#6366F1,#4338CA)}
.btn-go.c-warm:hover{box-shadow:0 8px 30px rgba(99,102,241,.45);transform:translateY(-2px)}

.btn-go.c-amber{background:linear-gradient(135deg,#A855F7,#7C3AED)}
.btn-go.c-amber:hover{box-shadow:0 8px 30px rgba(168,85,247,.45);transform:translateY(-2px)}

.btn-go::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.2) 50%,transparent 60%);
  transform:translateX(-100%);transition:transform .5s;
}
.btn-go:hover::after{transform:translateX(100%)}

/* ====== 上传区 ====== */
.drop-zone{
  position:relative;border:2px dashed rgba(199,182,255,.20);
  border-radius:14px;min-height:200px;
  display:flex;align-items:center;justify-content:center;
  transition:border-color .3s,background .3s;cursor:pointer;overflow:hidden;
}
.drop-zone:hover,.drop-zone.dragover{border-color:rgba(139,92,246,.50);background:rgba(139,92,246,.08)}
.drop-hint{text-align:center;padding:24px;display:flex;flex-direction:column;align-items:center;gap:8px}
.drop-hint p{color:rgba(245,243,255,.55);font-size:13px}
.drop-hint .lk{color:#C4B5FD;cursor:pointer;text-decoration:underline}
.drop-hint .sub{font-size:11px !important;color:rgba(245,243,255,.30) !important}

.pv-wrap{position:relative;width:100%;display:flex;align-items:center;justify-content:center;padding:10px}
.pv-img{max-width:100%;max-height:240px;border-radius:10px;object-fit:contain}
.btn-rm{
  position:absolute;top:8px;right:8px;width:26px;height:26px;
  background:rgba(0,0,0,.55);border:1px solid rgba(255,255,255,.15);
  border-radius:50%;color:#fff;font-size:12px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:all .2s;
}
.btn-rm:hover{background:#F43F5E;border-color:#F43F5E}

.file-info{font-size:12px;color:rgba(245,243,255,.35)}

/* ====== 结果区 ====== */
.result-card{min-height:300px}
.result-ph{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;flex:1;min-height:370px;color:rgba(245,243,255,.30);
}
.result-ph p{font-size:13px}
/* 结果内容淡入（仅opacity，不要位移避免跳动） */
.result-fade{animation:resultFadeIn .25s ease}
@keyframes resultFadeIn{from{opacity:0}to{opacity:1}}

/* 状态 */
.r-status{
  display:flex;align-items:center;gap:10px;
  padding:14px 18px;border-radius:12px;margin-bottom:14px;
  font-weight:700;font-size:14px;
}
.r-status.safe{background:rgba(16,185,129,.15);border:1px solid rgba(16,185,129,.30);color:#34D399}
.r-status.danger{background:rgba(244,63,94,.15);border:1px solid rgba(244,63,94,.30);color:#FB7185}
.r-status .s-icon{font-size:18px}

/* 敏感词标签 */
.w-sec{margin-top:12px}
.w-sec h4{font-size:12px;color:rgba(245,243,255,.50);margin-bottom:8px;font-weight:600}
.w-tags{display:flex;flex-wrap:wrap;gap:6px}
.w-tag{
  display:inline-block;padding:4px 10px;
  background:rgba(244,63,94,.22);border:1px solid rgba(244,63,94,.40);
  border-radius:6px;color:#fca5a5;font-size:12px;font-weight:700;
  text-rendering:optimizeLegibility;
}

/* 评判 & 补充操作栏 */
.w-actions{display:flex;align-items:center;gap:8px;margin-top:12px;flex-wrap:wrap}
.w-actions .sep{width:1px;height:18px;background:rgba(199,182,255,.15);margin:0 4px}
.btn-judge{
  display:inline-flex;align-items:center;gap:5px;
  padding:6px 16px;border-radius:8px;
  font-size:12px;font-weight:600;cursor:pointer;transition:all .25s;
  border:none;outline:none;
}
.btn-judge.ok{color:#34D399;background:rgba(16,185,129,.12)}
.btn-judge.ok:hover,.btn-judge.ok.active{background:rgba(16,185,129,.28);box-shadow:inset 0 0 0 1px rgba(16,185,129,.45)}
.btn-judge.no{color:#FB7185;background:rgba(244,63,94,.12)}
.btn-judge.no:hover,.btn-judge.no.active{background:rgba(244,63,94,.28);box-shadow:inset 0 0 0 1px rgba(244,63,94,.45)}
.btn-add-word{
  display:inline-flex;align-items:center;gap:5px;
  padding:6px 16px;border-radius:8px;
  border:1px solid rgba(139,92,246,.35);background:rgba(139,92,246,.12);
  color:#C4B5FD;font-size:12px;font-weight:600;cursor:pointer;transition:all .25s;
}
.btn-add-word:hover{background:rgba(139,92,246,.25);border-color:rgba(139,92,246,.55)}

/* ====== 弹窗 ====== */
.modal-mask{
  position:fixed;inset:0;z-index:1000;
  background:rgba(37,30,86,.92);
  /* 移除backdrop-filter，避免GPU合成层抖动 */
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;
}
.modal-mask.visible{opacity:1;visibility:visible}
@keyframes modalFadeIn{from{opacity:0}to{opacity:1}}
.modal-box{
  background:linear-gradient(160deg,rgba(60,45,130,.95),rgba(37,30,86,.98));
  border:1px solid rgba(199,182,255,.22);
  border-radius:var(--r-card);padding:28px 28px 22px;
  width:92%;max-width:460px;position:relative;
  box-shadow:0 30px 80px rgba(0,0,0,.5);
  animation:modalSlideIn .3s ease;
}
@keyframes modalSlideIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.modal-close{
  position:absolute;top:14px;right:14px;width:28px;height:28px;
  background:rgba(255,255,255,.08);border:1px solid rgba(199,182,255,.15);
  border-radius:50%;color:rgba(245,243,255,.50);font-size:13px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;
}
.modal-close:hover{background:rgba(244,63,94,.25);border-color:rgba(244,63,94,.40);color:#FB7185}
.modal-title{font-size:17px;font-weight:700;color:#fff;margin-bottom:6px}
.modal-desc{font-size:12px;color:rgba(245,243,255,.45);margin-bottom:16px;line-height:1.6}
.modal-tarea{
  width:100%;min-height:140px;padding:12px;
  background:rgba(0,0,0,.22);border:1px solid rgba(199,182,255,.15);
  border-radius:10px;color:#f5f3ff;font-size:13px;line-height:1.7;
  resize:vertical;outline:none;font-family:inherit;transition:border-color .2s;
}
.modal-tarea:focus{border-color:rgba(139,92,246,.5)}
.modal-tarea::placeholder{color:rgba(245,243,255,.25)}
.modal-ft{display:flex;align-items:center;justify-content:space-between;margin-top:14px}
.modal-industry-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.modal-label{font-size:12px;color:rgba(245,243,255,.55);font-weight:600;white-space:nowrap}
.modal-tip{font-size:11px;color:rgba(245,243,255,.35);flex:1}
.modal-tip.err{color:#FB7185}
.modal-tip.ok{color:#34D399}
.modal-btns{display:flex;gap:8px}

/* OCR 文本 */
.o-sec{margin-top:12px}
.o-sec h4{font-size:12px;color:rgba(245,243,255,.50);margin-bottom:8px;font-weight:600;display:flex;align-items:center;gap:6px}
.o-text{
  padding:12px;background:rgba(0,0,0,.18);border:1px solid rgba(199,182,255,.12);
  border-radius:10px;font-size:13px;line-height:1.7;color:rgba(245,243,255,.65);
  max-height:480px;overflow-y:auto;white-space:pre-wrap;word-break:break-all;
}
.o-text .hl{color:#FB7185;background:rgba(244,63,94,.15);padding:1px 3px;border-radius:3px;font-weight:700}

.p-info{margin-top:10px;font-size:11px;color:rgba(245,243,255,.30);display:flex;gap:16px}

/* ====== Loading ====== */
.loading-mask{
  position:fixed;inset:0;z-index:999;
  background:rgba(37,30,86,.1);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  opacity:0;visibility:hidden;
  /* 不用transition，由JS控制最小显示时长避免闪屏 */
  will-change:opacity;
}
.loading-mask.visible{opacity:1;visibility:visible}
.loading-mask p{color:rgba(245,243,255,.60);font-size:14px}
.spinner{
  width:38px;height:38px;
  border:3px solid rgba(255,255,255,.12);border-top-color:#C4B5FD;
  border-radius:50%;animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ====== Footer（完全匹配首页） ====== */
.footer{background:var(--bg);color:rgba(245,243,255,.32);padding:20px 28px;text-align:center;font-size:13px;flex-shrink:0}
.footer-inner{display:flex;align-items:center;justify-content:center;gap:36px;flex-wrap:wrap}
.footer-brand{display:flex;align-items:center;justify-content:flex-start;gap:9px;font-size:16px;font-weight:700;color:#fff;margin-bottom:6px}
.footer-links{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px}
.footer-links a{color:#fff;text-decoration:none;font-size:13px;transition:opacity .2s}
.footer-links a:hover{opacity:.7}

/* ====== Toast 通知 ====== */
.toast-wrap{
  position:fixed;top:20px;left:50%;transform:translateX(-50%);
  z-index:2000;display:flex;flex-direction:column;gap:8px;align-items:center;
  pointer-events:none;
}
.toast{
  padding:10px 22px;border-radius:10px;font-size:13px;font-weight:600;
  color:#fff;opacity:0;transform:translateY(-10px);
  animation:toastIn .3s ease forwards;
  pointer-events:auto;max-width:380px;text-align:center;
}
.toast.ok{background:rgba(16,185,129,.85);border:1px solid rgba(16,185,129,.6)}
.toast.err{background:rgba(244,63,94,.85);border:1px solid rgba(244,63,94,.6)}
.toast.info{background:rgba(99,102,241,.85);border:1px solid rgba(99,102,241,.6)}
@keyframes toastIn{to{opacity:1;transform:translateY(0)}}
@keyframes toastOut{to{opacity:0;transform:translateY(-10px)}}

/* ====== 动画 ====== */
.up{opacity:0;transform:translateY(30px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}
.up.on{opacity:1;transform:translateY(0)}
.up-d1{transition-delay:.12s}.up-d2{transition-delay:.24s}.up-d3{transition-delay:.36s}

/* ====== 滚动条 ====== */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(199,182,255,.20);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:rgba(199,182,255,.35)}

/* ====== 响应式 ====== */
@media(max-width:768px){
  .panel-grid{grid-template-columns:1fr;gap:16px}
  .tab-btn{padding:12px 10px;font-size:13px}
  .card-header{flex-direction:column;align-items:flex-start}
  .toolbar{width:100%}
  .sel{flex:1}
}
@media(max-width:480px){
  .stage-logo{top:12px;left:14px;font-size:13px;gap:6px}
  .stage-logo img{width:24px;height:24px}
  .main-stage{padding:36px 14px 28px}
  .hero-area h1{font-size:24px}
  .hero-area h1 .l2{font-size:14px}
  .hero-area p{font-size:12px}
  .tab-panel{padding:14px}
  .glass-card{padding:14px}
  .tarea{min-height:150px}
  .drop-zone{min-height:150px}
  .card-ft{flex-direction:column;gap:10px;align-items:stretch}
  .card-ft .btn-go{justify-content:center}
  .footer-inner{flex-direction:column;gap:16px}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}.up{opacity:1;transform:none}}