/* =========================================================================
 * 影刀 RPA×AI 场景方案库 —— 影刀风格 · 科技电影感 · 两栏仪表盘
 * 设计语言：深空底色 + 霓虹紫青光 + 玻璃拟态 + 透视网格 + 胶片颗粒
 * ========================================================================= */
:root{--bg-0:#05060d;--bg-1:#0a0c18;--bg-2:#0f1224;--panel:rgba(20,24,46,.55);--panel-solid:#11142a;--stroke:rgba(140,150,220,.16);--stroke-strong:rgba(150,160,255,.35);--txt:#eaf0ff;--txt-dim:#9aa3c7;--txt-faint:#6b7299;--violet:#8b5cff;--violet-2:#b06bff;--cyan:#2ce6ff;--cyan-2:#58f5d0;--pink:#ff5cc8;--green:#36e07a;--amber:#ffb454;--grad:linear-gradient(120deg,#8b5cff 0%,#2ce6ff 100%);--r-lg:20px;--r-md:14px;--r-sm:10px;--shadow-glow:0 0 0 1px var(--stroke),0 24px 60px -24px rgba(80,70,200,.55);--max:1640px;--nav-h:60px;--font:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--txt);background:var(--bg-0);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
b{color:#fff;font-weight:600}
.bg-layer{position:fixed;inset:0;z-index:-1;overflow:hidden;background:radial-gradient(1200px 700px at 80% -10%,rgba(139,92,255,.20),transparent 60%),radial-gradient(900px 600px at 0% 20%,rgba(44,230,255,.14),transparent 55%),linear-gradient(180deg,var(--bg-1),var(--bg-0) 60%)}
.grid-floor{position:absolute;left:-25%;right:-25%;bottom:-10%;height:65%;background-image:linear-gradient(rgba(120,140,255,.18) 1px,transparent 1px),linear-gradient(90deg,rgba(120,140,255,.18) 1px,transparent 1px);background-size:46px 46px;transform:perspective(420px) rotateX(68deg);transform-origin:bottom center;mask-image:linear-gradient(to top,#000 0%,transparent 80%);-webkit-mask-image:linear-gradient(to top,#000 0%,transparent 80%);animation:gridmove 14s linear infinite}
@keyframes gridmove{from{background-position:0 0}to{background-position:0 46px}}
.orb{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55;animation:float 18s ease-in-out infinite}
.orb-1{width:420px;height:420px;top:-80px;right:8%;background:radial-gradient(circle,#8b5cff,transparent 70%)}
.orb-2{width:360px;height:360px;top:30%;left:-90px;background:radial-gradient(circle,#2ce6ff,transparent 70%);animation-delay:-6s}
.orb-3{width:300px;height:300px;bottom:6%;right:22%;background:radial-gradient(circle,#ff5cc8,transparent 70%);opacity:.35;animation-delay:-11s}
@keyframes float{0%,100%{transform:translateY(0) translateX(0)}50%{transform:translateY(-30px) translateX(20px)}}
.film-grain{position:absolute;inset:-50%;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");opacity:.05;mix-blend-mode:screen;pointer-events:none}
.scanline{position:absolute;inset:0;background:repeating-linear-gradient(180deg,rgba(255,255,255,.025) 0 1px,transparent 1px 3px);opacity:.4;pointer-events:none}
.cursor-glow{position:fixed;width:460px;height:460px;left:0;top:0;background:radial-gradient(circle,rgba(44,230,255,.10) 0%,rgba(139,92,255,.06) 35%,transparent 70%);pointer-events:none;z-index:1;opacity:0;transition:opacity .35s ease,width .25s ease,height .25s ease;will-change:transform}
.cursor-glow.active{width:620px;height:620px;background:radial-gradient(circle,rgba(44,230,255,.16) 0%,rgba(139,92,255,.10) 40%,transparent 70%)}
.topbar{position:sticky;top:0;z-index:50;height:var(--nav-h);display:flex;align-items:center;gap:18px;padding:0 24px;backdrop-filter:blur(14px);background:rgba(8,10,22,.55);border-bottom:1px solid var(--stroke)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand-mark{font-size:20px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 0 10px rgba(139,92,255,.6))}
.brand-text{letter-spacing:.5px}
.brand-text i{font-style:normal;color:var(--cyan);font-size:.82em;opacity:.9}
.topbar-stat{font-size:13px;color:var(--txt-dim);flex:1;text-align:center}
.topbar-stat b{color:var(--txt)}
.layout{max-width:var(--max);margin:0 auto;padding:28px 16px 40px;display:grid;grid-template-columns:480px 1fr;gap:28px;align-items:start}
.sidebar{position:sticky;top:calc(var(--nav-h) + 20px);display:flex;flex-direction:column;gap:18px;max-height:calc(100vh - var(--nav-h) - 40px);overflow-y:auto;padding-right:4px;scrollbar-width:thin;scrollbar-color:var(--violet) transparent}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(139,92,255,.4);border-radius:4px}
/* === 整体视觉调优 === */
.ai-panel{position:relative}
.ai-panel::before{content:"";position:absolute;top:0;left:18px;right:18px;height:1px;background:linear-gradient(90deg,transparent,rgba(139,92,255,.55),transparent);opacity:.7}

.ai-panel{background:var(--panel);border:1px solid var(--stroke-strong);border-radius:var(--r-lg);padding:18px 18px 16px;backdrop-filter:blur(14px);box-shadow:var(--shadow-glow);display:flex;flex-direction:column}
.ai-head{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:16px;font-weight:800;letter-spacing:.3px}
.ai-dot{width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.8)}}
.ai-name{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.ai-toggle-wrap{margin-left:auto;display:flex;align-items:center;gap:6px}
.ai-toggle{position:relative;display:inline-block;width:36px;height:20px;cursor:pointer}
.ai-toggle input{opacity:0;width:0;height:0}
.ai-toggle-slider{position:absolute;inset:0;background:rgba(255,255,255,.08);border:1px solid var(--stroke-strong);border-radius:999px;transition:background .25s,border-color .25s}
.ai-toggle-slider::before{content:"";position:absolute;left:2px;top:2px;width:14px;height:14px;border-radius:50%;background:var(--txt-faint);transition:transform .25s,background .25s}
.ai-toggle input:checked + .ai-toggle-slider{background:rgba(139,92,255,.25);border-color:var(--violet)}
.ai-toggle input:checked + .ai-toggle-slider::before{transform:translateX(16px);background:var(--violet)}
.ai-toggle-label{font-size:10.5px;color:var(--txt-faint);white-space:nowrap;min-width:24px}
.ai-toggle-label.on{color:var(--violet-2)}
.ai-clear{font-size:11px;color:var(--txt-faint);border:1px solid var(--stroke);background:transparent;padding:3px 9px;border-radius:999px;cursor:pointer;transition:all .2s;font-family:var(--font)}
.ai-clear:hover{color:#fff;border-color:var(--pink)}
.ai-role{font-size:10.5px;color:var(--cyan);border:1px solid rgba(44,230,255,.3);padding:2px 8px;border-radius:6px;letter-spacing:.5px;font-weight:600}
.ai-sub{font-size:12.5px;color:var(--txt-dim);margin:8px 0 10px}
.ai-status{display:flex;align-items:center;gap:7px;font-size:11.5px;color:var(--txt-faint);margin-bottom:12px}
.ai-status .dot{width:7px;height:7px;border-radius:50%;background:var(--txt-faint);flex-shrink:0}
.ai-status.online .dot{background:var(--green);box-shadow:0 0 8px var(--green)}
.ai-status.local .dot{background:var(--amber);box-shadow:0 0 8px var(--amber)}
.ai-form{display:flex;gap:8px}
#assistantInput{flex:1;min-width:0;background:rgba(8,10,22,.6);border:1px solid var(--stroke-strong);border-radius:999px;padding:11px 16px;color:var(--txt);font-size:13.5px;outline:0;font-family:var(--font);transition:border-color .2s,box-shadow .2s}
#assistantInput:focus{border-color:var(--violet);box-shadow:0 0 0 3px rgba(139,92,255,.18)}
#assistantSend{background:var(--grad);color:#07101a;font-weight:700;border:none;border-radius:999px;padding:0 18px;cursor:pointer;font-size:13.5px;transition:transform .2s,box-shadow .2s,opacity .2s;font-family:var(--font)}
#assistantSend:hover{transform:translateY(-1px);box-shadow:0 10px 30px -10px rgba(139,92,255,.8)}
#assistantSend:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.ai-suggest{display:flex;flex-wrap:wrap;gap:7px;margin-top:11px}
.ai-suggest .chip{font-size:11.5px;padding:5px 10px}
.ai-chat{margin-top:14px;flex:1;min-height:520px;max-height:calc(100vh - 280px);overflow-y:auto;display:flex;flex-direction:column;gap:14px;padding:6px 6px 2px 0;scrollbar-width:thin;scrollbar-color:var(--violet) transparent}
.ai-chat::-webkit-scrollbar{width:6px}
.ai-chat::-webkit-scrollbar-thumb{background:rgba(139,92,255,.5);border-radius:4px}
.msg{display:flex;gap:9px;max-width:100%;animation:msgIn .35s ease both}
@keyframes msgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.msg.bot{align-self:flex-start}
.msg.user{align-self:flex-end;flex-direction:row-reverse}
.msg-avatar{flex-shrink:0;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:12px;font-weight:700;background:var(--grad);color:#07101a}
.msg.user .msg-avatar{background:rgba(255,255,255,.08);color:var(--txt);border:1px solid var(--stroke-strong);font-size:11px}
.msg-body{background:rgba(255,255,255,.04);border:1px solid var(--stroke);padding:12px 15px;border-radius:12px;font-size:14px;line-height:1.7;word-break:break-word}
.msg.user .msg-body{background:rgba(139,92,255,.16);border-color:rgba(139,92,255,.4)}
.msg-body .reply-text{white-space:pre-wrap}
.msg-body .reply-text p{margin:4px 0}
.msg-body .reply-text ul,.msg-body .reply-text ol{margin:4px 0 4px 16px}
.msg-body .reply-text li{margin:2px 0}
.msg-body .reply-text code{background:rgba(139,92,255,.15);padding:1px 5px;border-radius:4px;font-size:12px}
.msg-body .reply-text blockquote{border-left:3px solid var(--violet);padding-left:10px;margin:6px 0;color:var(--txt-dim);font-size:12.5px}
.msg-body a{color:var(--cyan);text-decoration:none;border-bottom:1px solid rgba(44,230,255,.25);transition:border-color .2s,color .2s;word-break:break-all}
.msg-body a:hover{color:#fff;border-bottom-color:var(--cyan)}
.msg-body .reco{display:block;margin-top:9px;border:1px solid var(--stroke-strong);border-radius:11px;padding:9px 11px;background:rgba(8,10,22,.5);cursor:pointer;transition:border-color .2s,transform .2s,background .2s}
.msg-body .reco:hover{border-color:var(--violet);background:rgba(139,92,255,.1);transform:translateX(3px)}
.reco-title{font-weight:700;color:#fff;display:flex;align-items:center;gap:7px;font-size:13px}
.reco-score{font-size:10px;color:var(--cyan);border:1px solid rgba(44,230,255,.3);padding:1px 6px;border-radius:6px}
.reco-desc{font-size:12px;color:var(--txt-dim);margin-top:4px}
.reco-link{font-size:11.5px;color:var(--violet-2);margin-top:5px;display:inline-block}
.reco-hint{margin-top:10px;font-size:12px;color:var(--txt-faint)}
.followup-block{margin-top:10px;padding-top:9px;border-top:1px dashed var(--stroke);font-size:12.5px;color:var(--txt-dim)}
.followup-block b{color:var(--cyan);font-size:11.5px;letter-spacing:.5px;display:block;margin-bottom:6px}
.followup-block .chip-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.followup-block .chip{font-size:11.5px;padding:5px 10px;cursor:pointer;background:rgba(8,10,22,.5);border:1px solid var(--stroke-strong);border-radius:999px;color:var(--txt-dim);font-family:var(--font);transition:all .2s}
.followup-block .chip:hover{color:#fff;border-color:var(--cyan);background:rgba(44,230,255,.08)}
.followup-block .chip.active{background:rgba(44,230,255,.18);border-color:var(--cyan);color:#fff;cursor:default}
.followup-block .chip.dim{opacity:.35;cursor:default}
.followup-block .chip:disabled{transform:none}
.reply-text.streaming::after{content:"\258D";color:var(--cyan);margin-left:2px;animation:cursorBlink 1s steps(2) infinite}
@keyframes cursorBlink{0%,100%{opacity:1}50%{opacity:0}}
.typing{display:flex;gap:4px;align-items:center}
.typing span{width:6px;height:6px;border-radius:50%;background:var(--cyan);animation:blink 1.2s infinite}
.typing span:nth-child(2){animation-delay:.2s}
.typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.25}30%{opacity:1}}
.filter-panel{background:var(--panel);border:1px solid var(--stroke);border-radius:var(--r-lg);padding:16px 16px 18px;backdrop-filter:blur(10px)}
.filter-title{font-size:12px;color:var(--txt-faint);letter-spacing:2px;margin:4px 0 10px;text-transform:uppercase}
.filter-title:not(:first-child){margin-top:18px}
.filter-list{display:flex;flex-wrap:wrap;gap:8px}
.filter-list.scroll{max-height:168px;overflow-y:auto;padding-right:4px;scrollbar-width:thin;scrollbar-color:var(--violet) transparent}
.filter-list.scroll::-webkit-scrollbar{width:5px}
.filter-list.scroll::-webkit-scrollbar-thumb{background:rgba(139,92,255,.4);border-radius:4px}
.filter-pill{font-size:12.5px;color:var(--txt-dim);border:1px solid var(--stroke);background:rgba(255,255,255,.02);padding:6px 12px;border-radius:999px;cursor:pointer;transition:all .22s cubic-bezier(.2,.7,.3,1);font-family:var(--font)}
.filter-pill:hover{color:#fff;border-color:var(--stroke-strong);transform:translateY(-1px);box-shadow:0 10px 26px -12px rgba(139,92,255,.7)}
.filter-pill.active{color:#07101a;font-weight:700;background:var(--grad);border-color:transparent;box-shadow:0 8px 22px -10px rgba(139,92,255,.85);animation:pillPop .28s ease}
@keyframes pillPop{from{transform:scale(.9)}to{transform:scale(1)}}
.content{min-width:0}
.hero{padding:24px 4px 32px;text-align:center}
.hero-badge{display:inline-block;font-size:11px;letter-spacing:3px;color:var(--cyan);border:1px solid var(--stroke-strong);padding:5px 13px;border-radius:999px;background:rgba(44,230,255,.06);margin-bottom:22px}
.hero-title{font-size:clamp(52px,9vw,110px);line-height:1.06;margin:0 0 20px;font-weight:900;letter-spacing:-2px}
.hero-line{display:block;overflow:hidden;padding-bottom:4px}
.hero-word{display:inline-block;color:var(--txt);opacity:0;transform:translateY(110%);animation:wordReveal .9s cubic-bezier(.16,.8,.2,1) forwards;animation-delay:.25s}
.hero-word-accent{background:linear-gradient(135deg,#00e5ff 0%,#3d8bff 35%,#8b5cff 70%,#c44dff 100%);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 4px 24px rgba(139,92,255,.5))}
.hero-line-en{margin-top:18px}
.hero-word-en{display:inline-block;font-size:clamp(16px,2.2vw,26px);font-weight:600;color:var(--txt-dim);letter-spacing:10px;opacity:0;transform:translateY(110%);animation:wordReveal .9s cubic-bezier(.16,.8,.2,1) forwards;animation-delay:.55s}
@keyframes wordReveal{to{opacity:1;transform:translateY(0)}}
.hero-sub{max-width:700px;margin:0 auto 18px;color:var(--txt-dim);font-size:clamp(15px,1.6vw,18px);letter-spacing:1px}
.search-shell{max-width:640px;margin:0 auto;display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--stroke-strong);border-radius:999px;padding:6px 6px 6px 20px;backdrop-filter:blur(12px);box-shadow:var(--shadow-glow);transition:border-color .25s,box-shadow .25s}
.search-shell:hover{border-color:var(--violet);box-shadow:0 0 0 1px rgba(139,92,255,.5),0 24px 70px -20px rgba(139,92,255,.5)}
.search-shell:focus-within{border-color:var(--violet);box-shadow:0 0 0 1px var(--violet),0 24px 70px -20px rgba(139,92,255,.7)}
.search-icon{display:inline-flex;color:var(--cyan)}
#searchInput{flex:1;min-width:0;background:transparent;border:none;outline:0;color:var(--txt);font-size:15px;padding:11px 4px;font-family:var(--font)}
#searchInput::placeholder{color:var(--txt-faint)}
.search-kbd{font-family:var(--font);font-size:11px;color:var(--txt-dim);border:1px solid var(--stroke);background:rgba(255,255,255,.04);padding:2px 7px;border-radius:5px;line-height:1;flex-shrink:0}
.search-clear{background:transparent;border:none;color:var(--txt-faint);font-size:22px;cursor:pointer;width:34px;border-radius:50%}
.search-clear:hover{color:var(--txt)}
.hero-stats{display:flex;gap:22px;justify-content:center;margin-top:20px;flex-wrap:wrap}
.hero-stat{font-size:13px;color:var(--txt-dim)}
.hero-stat b{font-size:22px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-right:4px}
.result-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:6px 4px 16px;font-size:14px;color:var(--txt-dim)}
#resultCount{font-weight:700;color:var(--txt)}
.active-chips{display:flex;gap:8px;flex-wrap:wrap}
.active-chip{font-size:12px;color:var(--cyan);border:1px solid rgba(44,230,255,.3);background:rgba(44,230,255,.07);padding:3px 10px;border-radius:999px;display:inline-flex;align-items:center;gap:6px}
.active-chip button{background:none;border:none;color:var(--cyan);cursor:pointer;font-size:13px;padding:0;line-height:1}
.reset-btn{margin-left:auto;font-size:12.5px;color:var(--txt-dim);border:1px solid var(--stroke);background:transparent;padding:4px 12px;border-radius:999px;cursor:pointer;transition:all .2s;font-family:var(--font)}
.reset-btn:hover{color:#fff;border-color:var(--pink)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{position:relative;padding:18px 18px 14px;border-radius:var(--r-lg);background:var(--panel);border:1px solid var(--stroke);backdrop-filter:blur(10px);cursor:pointer;transition:transform .25s cubic-bezier(.2,.7,.3,1),border-color .25s,box-shadow .25s,background .25s;opacity:0;transform:translateY(14px);animation:cardIn .45s cubic-bezier(.2,.7,.3,1) forwards;animation-delay:calc(var(--i) * 35ms);overflow:hidden}
@keyframes cardIn{to{opacity:1;transform:translateY(0)}}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(180px circle at var(--mouse-x,50%) var(--mouse-y,50%),rgba(139,92,255,.18),transparent 60%);opacity:0;transition:opacity .25s;pointer-events:none}
.card:hover::before{opacity:1}
.card:hover{transform:translateY(-4px);border-color:var(--violet);box-shadow:0 22px 50px -22px rgba(139,92,255,.7)}
.card > *{position:relative;z-index:1}
.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.card-domain{font-size:11.5px;color:var(--cyan);border:1px solid rgba(44,230,255,.25);background:rgba(44,230,255,.06);padding:3px 10px;border-radius:999px}
.card-rating{font-size:11px;font-weight:600;padding:3px 9px;border-radius:999px;border:1px solid transparent;white-space:nowrap}
.card-rating.rating-excellent{color:#4ade80;border-color:rgba(74,222,128,.35);background:rgba(74,222,128,.08)}
.card-rating.rating-good{color:#5fd0ff;border-color:rgba(95,208,255,.35);background:rgba(95,208,255,.08)}
.card-rating.rating-showcase{color:#c4b5fd;border-color:rgba(196,181,253,.35);background:rgba(196,181,253,.08)}
.card-rating.rating-skip{color:#94a3b8;border-color:rgba(148,163,184,.35);background:rgba(148,163,184,.08)}
.card-name{font-size:17px;font-weight:700;margin:2px 0 8px;line-height:1.35}
.card-overview{font-size:13px;color:var(--txt-dim);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;min-height:58px}
.card-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--stroke);padding-top:12px;margin-top:14px}
.card-platforms{font-size:11.5px;color:var(--txt-faint);display:flex;gap:6px;flex-wrap:wrap}
.card-link{font-size:13px;font-weight:600;color:var(--violet-2);display:inline-flex;align-items:center;gap:5px;transition:color .25s,transform .25s}
.card-link:hover{color:var(--cyan)}
.card:hover .card-link{color:var(--cyan);transform:translateX(3px)}
mark{background:rgba(44,230,255,.28);color:#fff;border-radius:3px;padding:0 2px}
.empty-state{margin:60px auto;text-align:center;color:var(--txt-dim)}
.load-more-btn{display:block;width:100%;max-width:400px;margin:24px auto;padding:12px 0;font-size:14px;color:var(--txt-dim);border:1px solid var(--stroke-strong);background:var(--panel);border-radius:999px;cursor:pointer;transition:all .25s;font-family:var(--font);backdrop-filter:blur(10px)}
.load-more-btn:hover{color:#fff;border-color:var(--violet);background:rgba(139,92,255,.12);transform:translateY(-1px);box-shadow:0 10px 30px -10px rgba(139,92,255,.5)}
.empty-state .empty-icon{color:var(--cyan);opacity:.65;margin-bottom:14px;display:block;margin-left:auto;margin-right:auto}
.empty-state p{margin:6px 0;font-size:15px}
.empty-tip{font-size:13px;color:var(--txt-faint)}
.footer{max-width:var(--max);margin:30px auto;padding:0 24px}
.footer-inner{border-top:1px solid var(--stroke);padding-top:22px;text-align:center;color:var(--txt-faint);font-size:13px}
.footer .brand{justify-content:center;margin-bottom:10px}
.footer p{margin:0}
.back-top{position:fixed;right:28px;bottom:28px;z-index:60;width:42px;height:42px;border-radius:50%;background:var(--panel-solid);border:1px solid var(--stroke-strong);color:var(--cyan);cursor:pointer;display:grid;place-items:center;box-shadow:0 12px 30px -10px rgba(0,0,0,.5);transition:transform .2s,opacity .25s,border-color .2s,color .2s;opacity:0;pointer-events:none}
.back-top.visible{opacity:1;pointer-events:auto}
.back-top:hover{transform:translateY(-3px);border-color:var(--violet);color:#fff}
.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:24px}
.modal[hidden]{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(3,4,10,.7);backdrop-filter:blur(6px);animation:fadeIn .3s ease both}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal-panel{position:relative;width:min(720px,100%);max-height:86vh;overflow-y:auto;background:var(--panel-solid);border:1px solid var(--stroke-strong);border-radius:var(--r-lg);box-shadow:0 40px 100px -30px rgba(0,0,0,.8);padding:30px 30px 34px;scrollbar-width:thin;animation:modalIn .34s cubic-bezier(.2,.8,.3,1) both}
@keyframes modalIn{from{opacity:0;transform:translateY(20px) scale(.96)}to{opacity:1;transform:none}}
.modal-close{position:absolute;top:16px;right:18px;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.06);border:1px solid var(--stroke);color:var(--txt);font-size:22px;cursor:pointer;display:grid;place-items:center;line-height:1}
.modal-close:hover{border-color:var(--pink);color:#fff}
.modal-head{margin-bottom:16px}
.modal-name{font-size:23px;font-weight:800;margin:0 0 8px;line-height:1.3}
.modal-meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--txt-dim)}
.modal-meta b{color:var(--txt)}
.detail-section{margin-top:18px}
.detail-section h4{font-size:14px;color:var(--cyan);margin:0 0 9px;letter-spacing:.5px;display:flex;align-items:center;gap:8px}
.detail-section h4::before{content:"";width:4px;height:14px;background:var(--grad);border-radius:2px}
.detail-section p{margin:0;color:var(--txt-dim);font-size:14px}
.detail-list{margin:0;padding-left:18px;color:var(--txt-dim);font-size:14px}
.detail-list li{margin:5px 0}
.detail-link-btn{display:inline-flex;align-items:center;gap:8px;margin-top:8px;background:var(--grad);color:#07101a;font-weight:700;padding:12px 22px;border-radius:999px;font-size:15px;cursor:pointer;border:none;box-shadow:0 14px 40px -14px rgba(139,92,255,.8);transition:transform .2s;text-decoration:none;font-family:var(--font)}
.detail-link-btn:hover{transform:translateY(-2px);box-shadow:0 18px 50px -12px rgba(139,92,255,1)}
.detail-link-btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
/* === Question Forms === */
.msg.bot .msg-body .qform{margin:10px 0;border:1px solid var(--stroke-strong);border-radius:var(--r-md);padding:12px 14px;background:rgba(8,10,22,.5)}
.msg.bot .msg-body .qform-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:8px}
.msg.bot .msg-body .qform-head .qnum{background:var(--violet);color:#fff;font-style:normal;font-size:10px;font-weight:700;padding:2px 7px;border-radius:999px;margin-right:5px}
.msg.bot .msg-body .qform-head .hint{font-size:10.5px;color:var(--txt-faint);white-space:nowrap}
.msg.bot .msg-body .qform-sub{font-size:12px;color:var(--txt-dim);margin-bottom:8px;line-height:1.5}
.msg.bot .msg-body .qform.text-form .qform-textarea{width:100%;min-height:48px;resize:vertical;background:rgba(255,255,255,.04);border:1px solid var(--stroke);border-radius:8px;padding:9px 12px;color:var(--txt);font-size:13px;font-family:var(--font);outline:none;transition:border-color .2s}
.msg.bot .msg-body .qform.text-form .qform-textarea:focus{border-color:var(--violet)}
.msg.bot .msg-body .qform.text-form .qform-textarea::placeholder{color:var(--txt-faint)}
.msg.bot .msg-body .qform-opts{display:flex;flex-direction:column;gap:6px}
.msg.bot .msg-body .qform .opt{display:flex;align-items:center;gap:9px;padding:8px 12px;border-radius:8px;border:1px solid var(--stroke);background:rgba(255,255,255,.02);cursor:pointer;transition:all .2s;font-size:13px;color:var(--txt-dim)}
.msg.bot .msg-body .qform .opt:hover{background:rgba(139,92,255,.08);border-color:var(--stroke-strong)}
.msg.bot .msg-body .qform .opt input[type=checkbox]{appearance:none;-webkit-appearance:none;width:16px;height:16px;border:1.5px solid var(--stroke-strong);border-radius:4px;background:transparent;cursor:pointer;flex-shrink:0;position:relative;transition:all .2s}
.msg.bot .msg-body .qform .opt input[type=checkbox]:checked{background:var(--violet);border-color:var(--violet)}
.msg.bot .msg-body .qform .opt input[type=checkbox]:checked::after{content:"✓";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:11px;font-weight:700}
.msg.bot .msg-body .qform .opt .letter{font-weight:700;color:var(--violet);min-width:18px}
.msg.bot .msg-body .qform .opt.checked{background:rgba(139,92,255,.12);border-color:rgba(139,92,255,.4)}
.msg.bot .msg-body .qform .other-wrap{margin-top:4px;margin-left:27px;width:calc(100% - 27px)}
.msg.bot .msg-body .qform .other-txt{width:100%;background:transparent;border:none;border-bottom:1px solid var(--stroke);color:var(--txt);font-size:12px;padding:4px 0;outline:none;font-family:var(--font)}
.msg.bot .msg-body .qform .other-txt:focus{border-bottom-color:var(--violet)}
.msg.bot .msg-body .qform .other-txt:disabled{opacity:.4}
.msg.bot .msg-body .qform-actions{margin-top:10px;display:flex;justify-content:flex-end}
.msg.bot .msg-body .qform-actions .btn-fill{font-size:12px;color:var(--txt-dim);border:1px solid var(--stroke-strong);background:rgba(139,92,255,.08);padding:6px 14px;border-radius:999px;cursor:pointer;transition:all .2s;font-family:var(--font)}
.msg.bot .msg-body .qform-actions .btn-fill:hover{background:var(--violet);color:#fff;border-color:var(--violet)}
.msg.bot .msg-body .qform-actions .btn-fill.done{background:var(--violet);color:#fff;border-color:var(--violet)}

@media (max-width:1180px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (max-width:1080px){.layout{grid-template-columns:1fr;gap:20px}.sidebar{position:static;max-height:none;overflow:visible}.ai-chat{min-height:320px;max-height:480px}}
@media (max-width:720px){.cards{grid-template-columns:1fr}.topbar-stat{display:none}.back-top{right:16px;bottom:16px}}
@media (max-width:560px){.hero{padding:18px 2px 24px}.modal-panel{padding:24px 20px 28px}.search-kbd{display:none}}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}.grid-floor,.orb,.ai-dot,.typing span{animation:none}.card{animation:none}.msg{animation:none}.reply-text.streaming::after{animation:none}}