/* 瓷智引擎 —— 淡色·瓷感专业风（贴近小程序观感），区别于案例的农业绿 */
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
:root{
  --bg:#eef3f8; --panel:#ffffff; --soft:#f5f8fc;
  --line:#e6ecf3; --ink:#1d2737; --muted:#69788e; --dim:#94a2b6;
  --cyan:#11b7c4; --blue:#2f86f6; --teal:#15b89a;
  --grad:linear-gradient(120deg,#16c0c0,#2f86f6);
  --grad-soft:linear-gradient(120deg,#e6fbfa,#eaf3ff);
  --radius:16px;
  --shadow:0 8px 26px rgba(36,76,140,.07);
}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:radial-gradient(1100px 520px at 82% -8%,#e3f4f6 0%,var(--bg) 55%);
  background-attachment:fixed;
}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#eef4fb;border:1px solid var(--line);padding:1px 6px;border-radius:6px;color:#0f8aa0;font-size:.9em}
.hidden{display:none!important}
.muted{color:var(--muted)}

.shell{display:flex;min-height:100vh;max-width:1180px;margin:0 auto}
.rail{
  width:236px;flex:0 0 236px;padding:22px 16px;position:sticky;top:0;height:100vh;
  border-right:1px solid var(--line);display:flex;flex-direction:column;gap:14px;background:rgba(255,255,255,.7);backdrop-filter:blur(8px)
}
.logo{display:flex;align-items:center;gap:12px;padding:6px 8px}
.logo-mark{width:42px;height:42px;filter:drop-shadow(0 4px 8px rgba(47,134,246,.25))}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text b{font-size:18px;letter-spacing:.5px}
.logo-text span{font-size:11px;color:var(--muted)}
.rail-nav{display:flex;flex-direction:column;gap:4px;margin-top:8px}
.rnav{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;color:var(--muted);cursor:pointer;font-size:15px;transition:.15s}
.rnav i{font-style:normal;width:20px;text-align:center}
.rnav:hover{background:#eef3fa;color:var(--ink)}
.rnav.active{background:var(--grad-soft);color:#0c6a7a;box-shadow:inset 0 0 0 1px rgba(22,192,192,.3)}
.rail-foot{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:12px;color:var(--dim);padding:8px 10px}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 8px rgba(21,184,154,.6);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

.content{flex:1;min-width:0;padding:26px clamp(16px,3vw,40px) 60px}
.view{animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* Hero */
.hero{position:relative;border:1px solid var(--line);border-radius:22px;padding:38px 30px 30px;overflow:hidden;background:linear-gradient(180deg,#ffffff,#f3f8fe);box-shadow:var(--shadow)}
.hero-glow{position:absolute;inset:-40% 25% auto -10%;height:320px;background:radial-gradient(closest-side,rgba(22,192,192,.18),transparent);filter:blur(8px)}
.hero-tag{position:relative;display:inline-block;font-size:12.5px;color:#0c8a98;background:#e4f8f7;border:1px solid #c7eeeb;padding:5px 12px;border-radius:999px}
.hero-title{position:relative;font-size:clamp(26px,4.4vw,40px);margin-top:16px;letter-spacing:.5px;font-weight:800;color:#16243a}
.hero-title .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{position:relative;color:var(--muted);margin-top:10px;font-size:15px;max-width:640px;line-height:1.6}
.search{position:relative;display:flex;gap:10px;margin-top:22px;max-width:680px}
.search input{flex:1;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;color:var(--ink);font-size:15px;outline:none;box-shadow:0 2px 8px rgba(36,76,140,.04)}
.search input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(22,192,192,.14)}
.search.inset input{background:var(--soft)}
.go{border:none;cursor:pointer;color:#fff;font-weight:700;font-size:15px;border-radius:14px;padding:0 22px;background:var(--grad);white-space:nowrap;box-shadow:0 8px 18px rgba(47,134,246,.22)}
.go:active{transform:translateY(1px)}
.chips{position:relative;display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{font-size:13px;color:var(--muted);border:1px solid var(--line);background:#fff;padding:8px 13px;border-radius:999px;cursor:pointer;transition:.15s}
.chip:hover{color:#0c6a7a;border-color:var(--cyan)}

/* 主题卡 */
.grid-cards{margin-top:26px}
.topic-head{font-size:13px;color:var(--dim);letter-spacing:2px;text-transform:uppercase;margin:0 4px 12px}
.topics{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.topic{border:1px solid var(--line);background:#fff;border-radius:14px;padding:16px;cursor:pointer;transition:.15s;box-shadow:var(--shadow)}
.topic:hover{transform:translateY(-2px);border-color:rgba(22,192,192,.5);box-shadow:0 12px 26px rgba(36,76,140,.12)}
.topic .t-ic{font-size:22px}
.topic .t-name{font-weight:700;margin-top:8px}
.topic .t-q{font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.5}
.foot-note{color:var(--dim);font-size:12.5px;margin-top:26px;text-align:center;line-height:1.6}
.foot-note b{color:var(--muted)}

/* 对话 */
#view-chat{display:flex;flex-direction:column;height:calc(100vh - 86px)}
.chat-bar{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.chat-title{font-weight:700}
.ghost-btn{background:#fff;border:1px solid var(--line);color:var(--muted);padding:8px 14px;border-radius:10px;cursor:pointer;font-size:13px}
.ghost-btn:hover{color:var(--ink);border-color:var(--cyan)}
.msgs{flex:1;overflow-y:auto;padding:18px 2px}
.row{display:flex;margin-bottom:18px}
.row.user{justify-content:flex-end}
.bubble{max-width:80%;padding:13px 16px;border-radius:14px;font-size:15px;line-height:1.7;white-space:pre-wrap;word-break:break-word}
.bubble.user{background:var(--grad);color:#fff;border-bottom-right-radius:4px}
.ai-wrap{max-width:84%}
.ai-av{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12.5px;margin-bottom:6px}
.ai-av .av{width:22px;height:22px;border-radius:6px;background:var(--grad);display:grid;place-items:center;color:#fff;font-weight:800;font-size:12px}
.bubble.ai{background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px;box-shadow:var(--shadow)}
.think{margin:0 0 10px;border:1px dashed #cfe0ee;border-radius:10px;background:#f4f9fe;overflow:hidden}
.think summary{cursor:pointer;list-style:none;padding:9px 12px;font-size:12.5px;color:#2f86f6;user-select:none}
.think summary::-webkit-details-marker{display:none}
.think .think-body{padding:0 12px 11px;font-size:12.5px;color:#6a788f;line-height:1.6;white-space:pre-wrap;max-height:240px;overflow:auto}
.disclaimer{margin-top:10px;padding:8px 11px;background:#fff7e8;border:1px solid #ffe1ad;color:#b9791b;border-radius:8px;font-size:12px}
.acts{display:flex;gap:16px;margin-top:10px;padding-top:9px;border-top:1px solid var(--line)}
.act{cursor:pointer;opacity:.45;font-size:15px}.act:hover,.act.on{opacity:1}
.followups{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px}
.followup{border:1px solid var(--line);color:#0c6a7a;font-size:13px;padding:7px 12px;border-radius:10px;background:#fff;cursor:pointer}
.followup:hover{border-color:var(--cyan)}
.typing{color:var(--muted)}.typing .d{animation:blink 1.2s infinite}@keyframes blink{50%{opacity:.3}}
.composer{display:flex;gap:10px;padding-top:14px;border-top:1px solid var(--line)}
.composer input{flex:1;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;color:var(--ink);font-size:15px;outline:none}
.composer input:focus{border-color:var(--cyan)}

/* 工具 */
.seg{display:inline-flex;background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px;gap:4px;margin-bottom:18px;box-shadow:var(--shadow)}
.seg-btn{border:none;background:none;color:var(--muted);padding:9px 18px;border-radius:9px;cursor:pointer;font-size:14px}
.seg-btn.active{background:var(--grad-soft);color:#0c6a7a;box-shadow:inset 0 0 0 1px rgba(22,192,192,.3)}
.panel{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.panel h3{font-size:17px;margin-bottom:10px}
.panel .muted{font-size:13px;line-height:1.6}
.decode-result{margin-top:18px}
.decode-row{display:flex;gap:14px;align-items:baseline;padding:12px 0;border-bottom:1px solid var(--line)}
.decode-token{font-family:ui-monospace,monospace;font-size:20px;font-weight:800;color:#0f8aa0;min-width:54px}
.decode-mean b{display:block;font-size:14px}
.decode-mean span{font-size:12.5px;color:var(--muted)}
.decode-ask{margin-top:16px}
.gloss-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.gloss{border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--soft)}
.gloss b{color:var(--ink)}.gloss .g-tag{font-size:11px;color:#0c8a98;border:1px solid #c7eeeb;background:#eafaf9;border-radius:6px;padding:1px 7px;margin-left:8px}
.gloss p{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.6}
.std-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.std{display:flex;gap:14px;border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--soft)}
.std .code{font-family:ui-monospace,monospace;color:#0f8aa0;font-weight:700;min-width:120px}
.std .s-txt b{display:block}.std .s-txt span{font-size:13px;color:var(--muted)}

/* 安全能力 / 备案六项要求 */
.cap-list{margin-top:18px;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.cap{border:1px solid var(--line);border-radius:12px;padding:16px;background:var(--soft);position:relative}
.cap .c-no{font-family:ui-monospace,monospace;color:#0f8aa0;font-weight:800;margin-right:6px}
.cap .c-badge{position:absolute;top:14px;right:14px;font-size:11px;padding:2px 9px;border-radius:999px;background:#e4f8f3;color:#0a9c74;border:1px solid #b9ead9}
.cap .c-badge.inst{background:#eef2fb;color:#5a6b9a;border-color:#d6deef}
.cap b{font-size:15px}.cap p{margin-top:8px;font-size:13px;color:var(--muted);line-height:1.6}
.cap-stat{margin-top:16px;font-size:12.5px;color:var(--dim)}

/* 知识广场（UGC）*/
.comm-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.comm-title{font-size:20px;font-weight:800;color:#16243a}
.cm-input{width:100%;background:#fff;border:1px solid var(--line);border-radius:10px;padding:11px 14px;font-size:14px;outline:none}
.cm-input:focus{border-color:var(--cyan)}
.cm-topics{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.cm-topic{font-size:13px;color:var(--muted);border:1px solid var(--line);background:#fff;padding:7px 13px;border-radius:999px;cursor:pointer}
.cm-topic.on{background:var(--grad-soft);color:#0c6a7a;border-color:transparent;box-shadow:inset 0 0 0 1px rgba(22,192,192,.3)}
.cm-textarea{width:100%;min-height:110px;resize:vertical;background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px 14px;font-size:14.5px;line-height:1.6;outline:none;font-family:inherit}
.cm-textarea:focus{border-color:var(--cyan)}
.cm-note{margin-top:10px;font-size:12px;color:#b9791b;background:#fff7e8;border:1px solid #ffe1ad;border-radius:8px;padding:9px 11px;line-height:1.6}
.cm-actions{display:flex;gap:12px;margin-top:14px;justify-content:flex-end}
.cm-actions .mbtn{flex:0 0 auto;min-width:110px}
.post-list{display:flex;flex-direction:column;gap:12px}
.post-card{border:1px solid var(--line);background:#fff;border-radius:14px;padding:16px;box-shadow:var(--shadow);cursor:pointer;transition:.15s}
.post-card:hover{border-color:rgba(22,192,192,.45);transform:translateY(-1px)}
.pc-top{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted)}
.pc-ava{width:26px;height:26px;border-radius:8px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700;font-size:12px}
.pc-nick{color:var(--ink);font-weight:600}
.pc-topic{margin-left:auto;font-size:11px;color:#0c8a98;border:1px solid #c7eeeb;background:#eafaf9;border-radius:6px;padding:1px 8px}
.pc-body{margin-top:10px;font-size:14.5px;line-height:1.7;color:#2b3850;white-space:pre-wrap;word-break:break-word}
.pc-meta{margin-top:12px;display:flex;gap:18px;font-size:13px;color:var(--muted)}
.pc-meta b{color:#0f8aa0}
.post-empty{text-align:center;color:var(--dim);padding:50px 0;font-size:14px}
/* 详情 */
.pd-back{background:none;border:none;color:#0f8aa0;cursor:pointer;font-size:14px;padding:6px 0;margin-bottom:8px}
.pd-card{border:1px solid var(--line);background:#fff;border-radius:14px;padding:18px;box-shadow:var(--shadow)}
.pd-actions{display:flex;gap:10px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.pd-btn{border:1px solid var(--line);background:var(--soft);color:var(--muted);border-radius:10px;padding:8px 16px;cursor:pointer;font-size:13px}
.pd-btn:hover{color:#0f8aa0;border-color:var(--cyan)}
.cmt-title{margin:18px 0 10px;font-size:14px;color:var(--muted)}
.cmt{border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px 14px;margin-bottom:10px}
.cmt-top{font-size:12.5px;color:var(--muted)}.cmt-top b{color:var(--ink)}
.cmt-body{margin-top:6px;font-size:14px;line-height:1.6;color:#2b3850;white-space:pre-wrap}
.cmt-box{display:flex;gap:10px;margin-top:12px}
.cmt-box input{flex:1;background:#fff;border:1px solid var(--line);border-radius:10px;padding:11px 14px;font-size:14px;outline:none}
.cmt-box input:focus{border-color:var(--cyan)}

/* 关于 / 通用 */
.sec-text{font-size:14px;line-height:1.8;color:#3c4a60}
.kv{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
.kv:last-child{border-bottom:none}.kv span{color:var(--muted)}.kv b{font-weight:500}
.kv.link{cursor:pointer}.kv.link b{color:var(--dim)}
.panel+.panel{margin-top:14px}

/* 弹窗 */
.mask{position:fixed;inset:0;background:rgba(20,40,70,.32);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal{width:100%;max-width:440px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:0 20px 50px rgba(20,40,70,.2)}
.modal-title{font-size:18px;font-weight:700;text-align:center}
.modal-body{margin-top:14px;font-size:14px;line-height:1.8;color:#3c4a60}
.modal-body a,.doc-body a{color:#0f8aa0;text-decoration:none}
.modal-actions{display:flex;gap:12px;margin-top:22px}
.mbtn{flex:1;border:none;border-radius:12px;padding:13px;font-size:15px;cursor:pointer}
.mbtn.ghost{background:var(--soft);color:var(--muted);border:1px solid var(--line)}
.mbtn.primary{background:var(--grad);color:#fff;font-weight:700}
.doc-modal{max-width:600px}
.doc-body{margin-top:14px;max-height:62vh;overflow:auto;font-size:13.5px;line-height:1.8;color:#3c4a60}
.doc-body h4{color:#0f8aa0;margin:14px 0 6px;font-size:14.5px}

/* 移动端 */
@media(max-width:820px){
  .shell{flex-direction:column}
  .rail{position:sticky;width:auto;height:auto;flex:none;flex-direction:row;align-items:center;gap:10px;border-right:none;border-bottom:1px solid var(--line);padding:12px 14px;overflow-x:auto}
  .logo-text span{display:none}
  .rail-nav{flex-direction:row;margin-top:0}
  .rnav{padding:9px 12px;white-space:nowrap}.rnav span{font-size:13px}
  .rail-foot{margin:0 0 0 auto;white-space:nowrap}
  .content{padding:18px 16px 50px}
  #view-chat{height:calc(100vh - 150px)}
  .ai-wrap,.bubble{max-width:90%}
}