/* ===== 江澜案例演示平台 · 样式（源自设计稿 v3，logo 深蓝 #102a74 + 绿 #2e8e4e） ===== */
:root{
  --navy:#102a74; --navy-deep:#0a1d52; --navy-mid:#1d3f96;
  --navy-soft:#e8ecf7; --navy-line:#c9d4ee;
  --green:#2e8e4e; --green-deep:#23733e; --green-soft:#e6f3ea;
  --ink:#1c2433; --ink-2:#4d586b; --ink-3:#98a1b3;
  --bg:#f4f6f9; --card:#fff; --line:#e3e7ef; --radius:12px;
  --shadow:0 1px 2px rgba(16,42,116,.05),0 8px 22px -12px rgba(16,42,116,.14);
  --shadow-lg:0 24px 60px -24px rgba(10,29,82,.4);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",-apple-system,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.65}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit;font-size:14px;outline:none}
a{color:inherit;text-decoration:none}
::selection{background:rgba(16,42,116,.18)}
.hidden{display:none!important}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#c7cede;border-radius:8px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-track{background:transparent}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes popIn{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
@keyframes slideDot{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== 通用 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:9px;
  font-size:13.5px;font-weight:600;padding:9px 16px;transition:.18s;white-space:nowrap}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-mid)}
.btn-primary:disabled{opacity:.55;cursor:not-allowed}
.btn-green{background:var(--green);color:#fff}
.btn-green:hover{background:var(--green-deep)}
.btn-ghost{border:1px solid var(--line);background:#fff;color:var(--ink-2)}
.btn-ghost:hover{border-color:var(--navy);color:var(--navy)}
.btn-danger{background:#fbeaea;color:#c0392b}
.btn-danger:hover{background:#f6d9d9}
.btn-block{width:100%;padding:12px;font-size:15px}
.badge{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:600;padding:2.5px 9px;border-radius:999px;white-space:nowrap}
.badge.navy{background:var(--navy-soft);color:var(--navy)}
.badge.green{background:var(--green-soft);color:var(--green-deep)}
.badge.gray{background:#edf0f5;color:#64748b}
.badge.pulse{background:var(--navy-soft);color:var(--navy)}
.badge.pulse i{width:6px;height:6px;border-radius:50%;background:var(--navy-mid);animation:blink 1.2s infinite}
.badge.navy-outline{background:#fff;border:1px solid var(--navy-line);color:var(--navy)}

/* ================= 登录 ================= */
#page-login{position:fixed;inset:0;display:grid;place-items:center;overflow:auto;
  background:linear-gradient(165deg,#0a1d52 0%,#102a74 55%,#1d3f96 100%)}
#page-login::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:26px 26px;
  mask-image:radial-gradient(760px 420px at 50% 10%,#000 30%,transparent 75%)}
.login-card{position:relative;z-index:2;width:400px;max-width:92vw;background:#fff;border-radius:18px;
  box-shadow:var(--shadow-lg);padding:38px 36px 30px}
.login-card .logo{display:flex;justify-content:center;margin-bottom:10px}
.login-card .logo img{height:58px}
.login-card h1{font-size:19px;text-align:center;color:var(--navy);letter-spacing:.02em}
.login-card p.sub{text-align:center;color:var(--ink-3);font-size:12.5px;margin:4px 0 24px}
.field{margin-bottom:15px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:9px;
  padding:10px 13px;background:#f8fafc;transition:.18s;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--navy);
  background:#fff;box-shadow:0 0 0 3px rgba(16,42,116,.1)}
.login-hint{margin-top:15px;text-align:center;font-size:12px;color:var(--ink-3)}
.login-foot{position:absolute;bottom:26px;left:0;right:0;text-align:center;color:rgba(255,255,255,.4);font-size:12px;z-index:2}

/* ================= 前台顶栏 ================= */
.portal-top{position:sticky;top:0;z-index:900;height:60px;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:26px;padding:0 30px}
.portal-top .brand{display:flex;align-items:center;gap:11px}
.portal-top .brand img{height:34px}
.portal-top .brand .t b{display:block;font-size:15px;color:var(--navy);line-height:1.25;letter-spacing:.04em}
.portal-top .brand .t span{font-size:11px;color:var(--ink-3);letter-spacing:.14em}
.portal-nav{display:flex;gap:6px;height:100%}
.portal-nav a{display:flex;align-items:center;padding:0 18px;font-size:14.5px;color:var(--ink-2);
  position:relative;cursor:pointer;transition:.18s}
.portal-nav a:hover{color:var(--navy)}
.portal-nav a.active{color:var(--navy);font-weight:700}
.portal-nav a.active::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;
  border-radius:3px 3px 0 0;background:var(--navy)}
.portal-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.portal-act{position:absolute;left:50%;transform:translateX(-50%);display:flex;gap:9px;align-items:center}
.portal-right .avatar,.user-chip .avatar{width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:13px;flex:none}
.user-chip .avatar{background:var(--green)}
.portal-right .uname{font-size:13.5px;color:var(--ink-2)}
.portal-right .exit,.user-chip .exit{font-size:12.5px;color:var(--ink-3);padding:6px 10px;border-radius:8px}
.portal-right .exit:hover,.user-chip .exit:hover{background:var(--navy-soft);color:var(--navy)}

/* ================= 前台项目（左树右览） ================= */
.portal-page{display:none}
.portal-page.on{display:block}
.portal-wrap{display:flex;gap:18px;padding:20px 30px;max-width:1440px;margin:0 auto}
.pl-tree{width:272px;flex:none;background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow);align-self:flex-start;position:sticky;top:80px;max-height:calc(100vh - 100px);overflow:auto}
.pl-tree .hd{padding:14px 16px 10px;font-size:12.5px;font-weight:700;color:var(--ink-3);letter-spacing:.1em;
  display:flex;align-items:center;justify-content:space-between}
.fold-btn{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;color:var(--ink-3);transition:.15s}
.fold-btn:hover{background:var(--navy-soft);color:var(--navy)}
.fold-btn svg{width:14px;height:14px}
.tree-unfold{position:sticky;top:80px;z-index:20;align-self:flex-start;width:34px;height:64px;margin-top:6px;
  border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:var(--shadow);
  display:grid;place-items:center;color:var(--ink-3);transition:.15s}
.tree-unfold:hover{color:var(--navy);border-color:var(--navy)}
.tree-unfold svg{width:15px;height:15px}
.tree-loading{padding:20px;color:var(--ink-3);font-size:13px}
.cat-group{padding:2px 8px 10px}
.cat-name{display:flex;align-items:center;gap:8px;padding:8px 10px 2px;font-size:13.5px;font-weight:700;color:var(--ink)}
.cat-name i{width:7px;height:7px;border-radius:2px;background:var(--green);flex:none}
.cat-name .n{margin-left:auto;font-size:11px;color:var(--ink-3);font-weight:500}
.pl-item{display:flex;align-items:center;gap:8px;padding:8.5px 10px 8.5px 25px;border-radius:9px;
  font-size:13.5px;color:var(--ink-2);cursor:pointer;transition:.15s;line-height:1.45}
.pl-item:hover{background:#f2f5fb;color:var(--navy)}
.pl-item.on{background:var(--navy);color:#fff;font-weight:600}
.pl-item .no{font-family:ui-monospace,Menlo,monospace;font-size:11px;font-weight:700;color:var(--ink-3);flex:none;min-width:17px}
.pl-item:hover .no{color:var(--navy)}
.pl-item.on .no{color:rgba(255,255,255,.65)}
.pl-item .ic{margin-left:auto;font-size:11px;opacity:.75;flex:none;letter-spacing:.05em}
.pr-main{flex:1;min-width:0}
.browser{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
/* iframe 高度由 JS 同步为项目网站内容高度（同源时），滚动统一交给浏览器滚动条；
   跨域兜底：固定视口高度，iframe 内部滚动 */
.frame-area{background:#fbfcfe;position:relative}
.frame-area iframe{width:100%;height:calc(100vh - 102px);min-height:480px;border:none;display:block;background:#fff}
.pr-empty{min-height:480px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--ink-3)}
.pr-empty .big{font-size:42px;opacity:.6}
.pr-empty b{font-size:15px;color:var(--ink-2)}

/* ================= 江老师问答 ================= */
.chat-page{display:none;flex-direction:column;height:calc(100vh - 60px)}
.chat-page.on{display:flex}
.chat-wrap{width:100%;max-width:1100px;margin:0 auto;display:flex;flex:1;min-height:0;padding:0 24px;gap:18px}
/* 会话侧栏 */
.chat-side{width:232px;flex:none;display:flex;flex-direction:column;gap:10px;padding:16px 0;border-right:1px solid var(--line);overflow:hidden}
.chat-new{border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;font-size:13px;color:var(--navy);cursor:pointer;transition:.18s;text-align:center}
.chat-new:hover{border-color:var(--navy);background:var(--navy-soft)}
.chat-sessions{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:4px;padding-right:2px}
.sess{display:flex;align-items:center;gap:6px;border-radius:10px;padding:8px 10px;cursor:pointer;border:1px solid transparent;transition:.15s}
.sess:hover{background:var(--navy-soft)}
.sess.on{background:var(--navy-soft);border-color:var(--navy)}
.sess-info{flex:1;min-width:0}
.sess-info b{display:block;font-size:13px;font-weight:500;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sess-info span{font-size:11px;color:var(--ink-3)}
.sess-del{flex:none;border:none;background:none;color:var(--ink-3);cursor:pointer;font-size:12px;padding:3px 5px;border-radius:6px;opacity:0;transition:.15s}
.sess:hover .sess-del{opacity:1}
.sess-del:hover{color:#d33;background:#fdecec}
.chat-side .sess-empty{font-size:12px;color:var(--ink-3);text-align:center;padding:18px 6px}
.chat-main{flex:1;min-width:0;display:flex;flex-direction:column}
@media (max-width:760px){.chat-side{display:none}}
.chat-head{display:flex;align-items:center;gap:13px;padding:16px 2px 13px;border-bottom:1px solid var(--line)}
.jl-avatar{width:42px;height:42px;border-radius:50%;flex:none;display:grid;place-items:center;color:#fff;
  font-size:18px;font-weight:800;background:linear-gradient(135deg,var(--navy),var(--green))}
.chat-head b{font-size:16px}
.chat-head .st{font-size:12px;color:var(--green);display:flex;align-items:center;gap:5px}
.chat-head .st i{width:7px;height:7px;border-radius:50%;background:var(--green);animation:blink 2s infinite}
.mem-chip{margin-left:auto;display:flex;align-items:center;gap:6px;font-size:12px;color:var(--green-deep);
  background:var(--green-soft);border:1px solid #cbe6d4;border-radius:999px;padding:5px 12px}
.chat-body{flex:1;overflow-y:auto;padding:24px 2px;display:flex;flex-direction:column;gap:16px}
.msg{display:flex;gap:11px;max-width:86%}
.msg .jl-avatar{width:35px;height:35px;font-size:14px}
.msg .bubble{border-radius:13px;padding:12px 16px;font-size:14px;box-shadow:var(--shadow);word-break:break-word}
.msg .bubble b{color:inherit}
.msg .bubble p{margin:0 0 6px}
.msg .bubble p:last-child{margin-bottom:0}
.msg .bubble ul,.msg .bubble ol{margin:4px 0 8px;padding-left:20px}
.msg .bubble li{margin:3px 0;line-height:1.55}
.msg .bubble h1,.msg .bubble h2,.msg .bubble h3,.msg .bubble h4{font-size:14.5px;font-weight:700;margin:10px 0 6px}
.msg .bubble h1:first-child,.msg .bubble h2:first-child,.msg .bubble h3:first-child{margin-top:0}
.msg .bubble hr{border:none;border-top:1px dashed var(--line);margin:10px 0}
.msg .bubble table{border-collapse:collapse;margin:8px 0;font-size:12.5px}
.msg .bubble th,.msg .bubble td{border:1px solid var(--line);padding:4px 8px;text-align:left}
.msg .bubble th{background:var(--navy-soft)}
.msg.ai{align-self:flex-start}
.msg.ai .bubble{background:#fff;border:1px solid var(--line);border-top-left-radius:4px}
.msg.me{align-self:flex-end;flex-direction:row-reverse}
.msg.me .uavatar{width:35px;height:35px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:var(--navy);color:#fff;font-weight:700;font-size:13px}
.msg.me .bubble{background:var(--navy);color:#fff;border-top-right-radius:4px}
.msg .bubble .cite{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px;padding-top:9px;border-top:1px dashed var(--line)}
.msg.ai .bubble .cite a{font-size:11.5px;color:var(--navy);background:var(--navy-soft);border-radius:999px;padding:2.5px 10px}
.typing{display:inline-flex;gap:5px;padding:6px 2px}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--navy-mid);animation:slideDot 1.1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
.suggests{display:flex;gap:8px;flex-wrap:wrap;padding:0 2px 12px}
.suggests button{font-size:12.5px;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;transition:.18s}
.suggests button:hover{border-color:var(--navy);color:var(--navy)}
.chat-input{display:flex;gap:10px;padding:13px 2px 7px;border-top:1px solid var(--line)}
.chat-input input{flex:1;border:1px solid var(--line);border-radius:12px;padding:13px 16px;background:#fff;font-size:14px}
.chat-input input:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(16,42,116,.1)}
.chat-input .btn{padding:0 22px;border-radius:12px}
.chat-foot{text-align:center;font-size:11.5px;color:var(--ink-3);padding-bottom:12px}

/* ================= 后台 ================= */
.shell{display:flex;min-height:100vh}
.sidebar{width:230px;flex:none;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;
  background:linear-gradient(180deg,#0a1d52 0%,#102a74 70%,#0e245f 100%);color:#c4cde8}
.side-brand{display:flex;align-items:center;gap:10px;padding:20px 18px 16px;border-bottom:1px solid rgba(255,255,255,.08)}
.side-brand img{height:32px}
.side-brand b{color:#fff;font-size:14.5px;display:block;line-height:1.3}
.side-brand span{font-size:10.5px;color:#8fa0cf;letter-spacing:.1em}
.side-tag{margin:14px 18px 4px;font-size:11px;letter-spacing:.18em;color:#8fa0cf}
.side-nav{padding:6px 12px;display:flex;flex-direction:column;gap:4px}
.side-nav a{display:flex;align-items:center;gap:11px;padding:10px 13px;border-radius:9px;
  color:#b6c1e2;font-size:14px;transition:.18s;cursor:pointer}
.side-nav a svg{width:17px;height:17px;flex:none}
.side-nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.side-nav a.active{background:var(--navy-mid);color:#fff;font-weight:600}
.side-nav .tag{margin-left:auto;font-size:10px;padding:1px 7px;border-radius:99px;background:rgba(255,255,255,.14);color:#dbe3f7}
.side-foot{margin-top:auto;padding:13px 14px 16px;border-top:1px solid rgba(255,255,255,.08)}
.back-portal{display:flex;align-items:center;gap:9px;width:100%;padding:9px 13px;margin-bottom:11px;
  border-radius:9px;border:1px solid rgba(255,255,255,.18);color:#dbe3f7;font-size:13px;transition:.18s}
.back-portal:hover{background:rgba(255,255,255,.09);color:#fff}
.user-chip{display:flex;align-items:center;gap:10px}
.user-chip b{color:#fff;font-size:13px;display:block;line-height:1.3}
.user-chip span{font-size:11px;color:#8fa0cf}
.user-chip .exit{margin-left:auto;color:#8fa0cf}

.main{flex:1;min-width:0}
.page{display:none;padding:28px 32px 60px;max-width:1280px;width:100%;margin:0 auto}
.page.on{display:block}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.page-head h2{font-size:23px}
.page-head p.sub{color:var(--ink-2);font-size:13.5px;margin-top:4px}
.page-actions{display:flex;gap:10px}

/* 项目管理 */
.filter-bar{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:18px}
.chip{padding:6.5px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:12.5px;color:var(--ink-2);transition:.18s}
.chip:hover{border-color:var(--navy);color:var(--navy)}
.chip.on{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:600}
.search{margin-left:auto;position:relative}
.search input{width:230px;border:1px solid var(--line);border-radius:999px;padding:8px 14px 8px 34px;background:#fff;transition:.18s}
.search input:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(16,42,116,.1)}
.search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:14px;height:14px;color:var(--ink-3)}
.proj-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px}
.proj-card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);
  padding:18px 18px 14px;display:flex;flex-direction:column;gap:8px;transition:.2s;position:relative;overflow:hidden}
.proj-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--navy)}
.proj-card.g::before{background:var(--green)}
.proj-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.proj-top{display:flex;align-items:center;gap:8px}
.proj-period{margin-left:auto;font-size:12px;color:var(--ink-3)}
.proj-card h3{font-size:16px;line-height:1.4}
.proj-client{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2)}
.proj-client svg{width:14px;height:14px;color:var(--ink-3)}
.proj-summary{font-size:13px;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.proj-assets{display:flex;gap:6px;flex-wrap:wrap;min-height:22px}
.proj-foot{display:flex;align-items:center;gap:8px;margin-top:3px;padding-top:12px;border-top:1px solid #eef1f6}
.proj-foot .btn{padding:6.5px 12px;font-size:12.5px}
.icon-btn{width:31px;height:31px;border-radius:8px;display:grid;place-items:center;color:var(--ink-3);transition:.18s}
.icon-btn:hover{background:var(--navy-soft);color:var(--navy)}
.icon-btn.del:hover{background:#fbeaea;color:#c0392b}
.icon-btn svg{width:15px;height:15px}
.proj-foot .spacer{margin-left:auto;display:flex;gap:3px}

/* 知识库 */
.dropzone{border:1.6px dashed var(--navy-line);border-radius:14px;background:#fafbfe;padding:28px;text-align:center;
  color:var(--ink-2);margin-bottom:20px;transition:.2s;cursor:pointer}
.dropzone:hover{border-color:var(--navy);background:var(--navy-soft)}
.dropzone .big{font-size:32px}
.dropzone b{display:block;margin-top:5px;font-size:14.5px;color:var(--ink)}
.dropzone span{font-size:12.5px;color:var(--ink-3)}
.tbl-card{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{background:#f7f9fc;color:var(--ink-2);font-weight:600;text-align:left;padding:11px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:12px 16px;border-bottom:1px solid #eef1f6;vertical-align:middle}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:#fafbfe}
.doc-name{display:flex;align-items:center;gap:10px;font-weight:600}
.doc-ic{width:34px;height:34px;border-radius:8px;flex:none;display:grid;place-items:center;font-size:11px;font-weight:800;color:#fff}
.tbl .muted{color:var(--ink-3);font-size:12.5px}
.link-btn{color:var(--navy);font-size:13px;font-weight:600;padding:4px 8px;border-radius:7px}
.link-btn:hover{background:var(--navy-soft)}
.pipe-note{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:12px;color:var(--ink-3)}
.pipe-note .dot-flow{display:flex;align-items:center;gap:5px;color:var(--navy);font-weight:600}
.pipe-note .dot-flow i{width:5px;height:5px;border-radius:50%;background:var(--green)}

/* 用户管理 */
.perm-grid{border:1px solid var(--line);border-radius:10px;padding:12px 14px;max-height:200px;overflow:auto;background:#f8fafc}
.perm-grid .perm-group + .perm-group{margin-top:9px;padding-top:9px;border-top:1px dashed var(--line)}
.perm-grid .perm-cat{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:var(--navy);cursor:pointer;margin-bottom:0}
.perm-grid .perm-cat .cnt{margin-left:auto;font-weight:500;color:var(--ink-3);font-size:11px}
.perm-grid .perm-item{display:flex;align-items:center;gap:8px;padding:3.5px 0 3.5px 26px;font-size:13px;font-weight:500;color:var(--ink-2);cursor:pointer;margin-bottom:0}
.perm-grid .perm-item input,.perm-grid .perm-cat input{accent-color:var(--navy);width:13px;height:13px;flex:none;margin:0}
.seg{display:flex;gap:0;border:1px solid var(--line);border-radius:9px;overflow:hidden;width:fit-content;margin-bottom:12px}
.seg button{padding:7px 16px;font-size:13px;color:var(--ink-2);background:#fff}
.seg button.on{background:var(--navy);color:#fff;font-weight:600}

/* ===== 弹层 ===== */
.modal-mask{position:fixed;inset:0;background:rgba(10,20,50,.5);backdrop-filter:blur(3px);z-index:1700;
  display:none;align-items:center;justify-content:center;padding:24px}
.modal-mask.on{display:flex}
.modal{background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);width:600px;max-width:96vw;
  max-height:92vh;overflow:auto}
.modal.sm{width:450px}
.modal-hd{display:flex;align-items:center;padding:19px 24px 0}
.modal-hd h3{font-size:17px}
.modal-hd .x{margin-left:auto;width:31px;height:31px;border-radius:8px;display:grid;place-items:center;color:var(--ink-3);font-size:16px}
.modal-hd .x:hover{background:#f0f2f8;color:var(--ink)}
.modal-bd{padding:16px 24px 22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.upload-box{border:1.5px dashed var(--navy-line);border-radius:11px;background:#fafbfe;padding:15px;display:flex;align-items:center;gap:13px;transition:.2s;cursor:pointer;margin-bottom:12px}
.upload-box:hover{border-color:var(--navy);background:var(--navy-soft)}
.upload-box .ic{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-size:18px;flex:none;background:var(--navy-soft)}
.upload-box b{font-size:13.5px;display:block}
.upload-box span{font-size:12px;color:var(--ink-3)}
.upload-box .st{margin-left:auto}
.asset-line{display:flex;align-items:center;gap:8px;padding:5px 2px;font-size:12.5px;color:var(--ink-2)}
.asset-line .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.modal-ft{display:flex;justify-content:flex-end;gap:10px;padding:0 24px 22px}
/* PPT 全屏播放器 */
#ppt-player{position:fixed;inset:0;z-index:1600;background:linear-gradient(180deg,#0a1d52,#0e245f);
  display:none;flex-direction:column}
#ppt-player.on{display:flex}
.player-top{display:flex;align-items:center;gap:16px;padding:12px 22px;color:#dbe3f7;
  border-bottom:1px solid rgba(255,255,255,.1)}
.player-top .pl-title{font-size:14.5px;font-weight:600;color:#fff;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:45vw}
.player-top .pl-page{font-size:13px;color:#9db1e4;font-variant-numeric:tabular-nums}
.pl-btn{font-size:12.5px;color:#c9d6f5;border:1px solid rgba(255,255,255,.22);border-radius:8px;padding:6px 13px;transition:.15s}
.pl-btn:hover{background:rgba(255,255,255,.12);color:#fff}
#pl-stage{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;overflow:auto;cursor:pointer;background:#0a1d52}
#pl-stage iframe{width:100%;height:100%;border:none;background:#fff;cursor:auto}
.player-hint{text-align:center;font-size:12px;color:#8fa0cf;padding:10px 0 12px}
/* PPT 弹层（保留兼容样式） */
.ppt-stage-wrap{background:var(--navy-deep);border-radius:12px;min-height:380px;overflow:auto;
  display:flex;align-items:center;justify-content:center;padding:12px}
#ppt-stage iframe{width:100%;height:100%;border:none;background:#fff}
.ppt-loading{color:#b9c6e8;font-size:13.5px;display:flex;align-items:center;gap:10px;padding:60px 0}
.spinner{width:18px;height:18px;border-radius:50%;border:2.5px solid rgba(255,255,255,.25);border-top-color:#7fc99a;animation:spin .8s linear infinite}
.ppt-error{color:#e8b8b8;font-size:13.5px;text-align:center;padding:40px 20px;line-height:2}
.ppt-ctrl{display:flex;align-items:center;justify-content:center;gap:15px;margin-top:15px;color:var(--ink-2);font-size:13.5px}
.ppt-ctrl .pg-btn{width:33px;height:33px;border-radius:9px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;color:var(--ink-2)}
.ppt-ctrl .pg-btn:hover{border-color:var(--navy);color:var(--navy)}
/* 解析查看（左右结构） */
.parse-mask{position:fixed;inset:0;background:rgba(10,20,50,.45);z-index:1590;backdrop-filter:blur(2px)}
.parse-drawer{position:fixed;top:0;right:0;bottom:0;width:880px;max-width:94vw;z-index:1600;background:#fff;
  box-shadow:-24px 0 60px -24px rgba(10,29,82,.45);display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform .28s ease}
.parse-drawer.on{transform:none}
.drawer-hd{display:flex;align-items:center;gap:12px;padding:16px 22px;border-bottom:1px solid var(--line)}
.drawer-tt b{font-size:16px;color:var(--ink);display:block;line-height:1.4}
.drawer-tt span{font-size:12px;color:var(--ink-3)}
.drawer-hd .x{margin-left:auto;width:32px;height:32px;border-radius:8px;display:grid;place-items:center;color:var(--ink-3)}
.drawer-hd .x:hover{background:#f0f2f8;color:var(--ink)}
.parse-split{flex:1;min-height:0;display:flex;gap:14px;padding:16px 22px 20px}
.parse-side{width:280px;flex:none;overflow:auto;border-right:1px solid var(--line);padding-right:12px}
.side-item{display:block;width:100%;text-align:left;padding:9px 11px;border-radius:9px;font-size:13px;
  color:var(--ink-2);cursor:pointer;transition:.15s;line-height:1.5;margin-bottom:3px}
.side-item:hover{background:var(--navy-soft);color:var(--navy)}
.side-item.on{background:var(--navy);color:#fff;font-weight:600}
.side-item .nm{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.side-item .sz{font-size:11px;color:var(--ink-3);font-family:ui-monospace,Menlo,monospace}
.side-item.on .sz{color:rgba(255,255,255,.65)}
.side-sec{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--ink-3);margin:10px 4px 5px}
.side-sec:first-child{margin-top:0}
.parse-sum-block{border:1px solid var(--line);border-radius:10px;background:#fbfcfe;padding:12px 14px;
  font-size:13px;color:var(--ink-2);line-height:1.7}
.parse-sum-block b{color:var(--navy)}
.parse-sum-block .pts{margin-top:8px}
.parse-sum-block .pts li{list-style:none;display:flex;gap:8px;padding:3px 0}
.parse-sum-block .pts li i{width:6px;height:6px;border-radius:50%;background:var(--green);margin-top:8px;flex:none}
.parse-split{flex:1;min-height:0;display:flex;gap:14px;padding:14px 22px 0}
.parse-side{width:250px;flex:none;overflow:auto;border:1px solid var(--line);border-radius:11px;background:#f8fafc;padding:8px}
.parse-chunk{display:block;width:100%;text-align:left;padding:8.5px 10px;border-radius:8px;font-size:12.5px;
  color:var(--ink-2);cursor:pointer;transition:.15s;line-height:1.5}
.parse-chunk:hover{background:var(--navy-soft);color:var(--navy)}
.parse-chunk.on{background:var(--navy);color:#fff;font-weight:600}
.parse-chunk .nm{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.parse-chunk .sz{font-size:11px;color:var(--ink-3);font-family:ui-monospace,Menlo,monospace}
.parse-chunk.on .sz{color:rgba(255,255,255,.65)}
.parse-main{flex:1;min-width:0;overflow:auto;border:1px solid var(--line);border-radius:11px;
  background:#fff;padding:18px 20px;font-size:14px;color:var(--ink)}
.parse-main h1,.parse-main h2,.parse-main h3{color:var(--navy);margin:14px 0 6px}
.parse-main h1{font-size:19px}.parse-main h2{font-size:17px}.parse-main h3{font-size:15.5px}
.parse-main table{border-collapse:collapse;width:100%;margin:8px 0;font-size:13px}
.parse-main th,.parse-main td{border:1px solid var(--line);padding:6px 10px;text-align:left}
.parse-main th{background:#f7f9fc;color:var(--navy)}
.parse-main blockquote{border-left:3px solid var(--green);padding-left:12px;color:var(--ink-2);margin:6px 0}
/* 解析预览 */
.parse-block{border:1px solid var(--line);border-radius:11px;padding:14px 16px;margin-bottom:12px;background:#fbfcfe}
.parse-block .t{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:var(--navy);letter-spacing:.06em;margin-bottom:8px}
.parse-block .t .src{margin-left:auto;font-weight:500;color:var(--ink-3);letter-spacing:0}
.parse-block p{font-size:13.5px;color:var(--ink-2)}
.parse-block ul.pts{padding-left:2px}
.parse-block ul.pts li{list-style:none;display:flex;gap:9px;font-size:13.5px;color:var(--ink-2);padding:2.5px 0}
.parse-block ul.pts li i{width:6px;height:6px;border-radius:50%;background:var(--green);margin-top:8px;flex:none}
/* 解析预览（md-preview 仅用于解析抽屉右栏，高度由抽屉 flex 决定，不设 max-height） */
.md-preview{font-size:13.5px;color:var(--ink-2);overflow:auto}
.md-preview h1,.md-preview h2,.md-preview h3,.md-preview h4{font-size:14.5px;margin:10px 0 4px;color:var(--ink)}
.md-preview p{margin:3px 0}
.md-preview pre{background:#0e1c46;color:#c9d6f5;border-radius:8px;padding:10px 13px;font-size:12px;
  font-family:ui-monospace,Menlo,monospace;margin:6px 0;overflow:auto;white-space:pre-wrap}
.md-preview code{font-family:ui-monospace,Menlo,monospace}
.md-preview ul,.md-preview ol{padding-left:20px}
/* 确认弹层 */
.confirm-ic{width:50px;height:50px;border-radius:50%;background:#fbeaea;color:#c0392b;display:grid;place-items:center;font-size:22px;margin:0 auto 13px}
.confirm-t{text-align:center;font-size:16px;font-weight:700;margin-bottom:5px}
.confirm-d{text-align:center;font-size:13px;color:var(--ink-3);margin-bottom:18px}

/* Toast / 上传进度 */
#toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);z-index:2000;
  background:#102a74;color:#fff;font-size:13.5px;border-radius:11px;padding:11px 20px;opacity:0;
  pointer-events:none;transition:.3s;box-shadow:var(--shadow-lg);max-width:80vw}
#toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
#upload-progress{position:fixed;inset:0;z-index:1900;background:rgba(10,20,50,.45);backdrop-filter:blur(2px);display:grid;place-items:center}
.up-box{width:420px;max-width:90vw;background:#fff;border-radius:14px;padding:22px 24px;box-shadow:var(--shadow-lg)}
.up-title{font-size:14.5px;font-weight:700;margin-bottom:12px}
.up-bar{height:8px;border-radius:4px;background:#edf0f5;overflow:hidden}
.up-bar i{display:block;height:100%;width:0;border-radius:4px;background:linear-gradient(90deg,var(--navy),var(--green));transition:width .2s}
.up-detail{margin-top:10px;font-size:12px;color:var(--ink-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 分块删除按钮 */
.parse-side .side-item{position:relative;padding-right:26px}
.parse-side .side-item .del{position:absolute;right:6px;top:50%;transform:translateY(-50%);
  color:var(--ink-3);font-size:11px;padding:2px 5px;border-radius:6px;opacity:0;transition:.15s}
.parse-side .side-item:hover .del{opacity:1}
.parse-side .side-item .del:hover{color:#fff;background:#c0392b}
.parse-side .side-item.on .del{color:rgba(255,255,255,.8)}

/* 抽屉内右栏：铺满到弹窗底部；标题字号不被 md-preview 压平 */
.parse-drawer .parse-main{margin-bottom:0;border-bottom-left-radius:0;border-bottom-right-radius:0;max-height:none;min-height:0}
.parse-drawer .parse-main h1{font-size:19px}
.parse-drawer .parse-main h2{font-size:17px}
.parse-drawer .parse-main h3{font-size:15.5px}