:root{--ink:#1f2937;--muted:#5b6b84;--line:#e3e8f3;--brand:#bc1927;--blue:#155aef;--soft:#f5f8ff;--ok:#1f9d63;--warn:#d97706;--ui:#f7f8fc;--uib:#dfe4f0}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#eef1f7;color:var(--ink);font-family:"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;font-size:16px;line-height:1.75}
.wrap{max-width:1180px;margin:0 auto;padding:0 26px 90px}

/* 头部（公司模板：白底 + 红色细线 + 右上徽标） */
.hero{background:#f7f8fc url("bg-content.jpg") center/cover no-repeat;padding:52px 26px 34px;position:relative}
.hero .in{max-width:1180px;margin:0 auto;position:relative}
.hero .logo{position:absolute;right:0;top:-16px;height:80px;width:auto;object-fit:contain;border-radius:6px}
.hero .kicker{font-size:14px;letter-spacing:5px;color:#bc1927;font-weight:700}
.hero h1{font-size:40px;margin:10px 0 8px;font-weight:800;letter-spacing:-.5px;color:#152642}
.hero p{font-size:16px;color:#5b6b84;max-width:860px}
.hero .meta{margin-top:16px;display:flex;flex-wrap:wrap;gap:10px}
.hero .meta span{background:#fff;border:1px solid #e3c9cd;color:#7d1620;border-radius:999px;padding:4px 14px;font-size:13px}
/* 目录 */
.toc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 24px;margin:-26px auto 30px;max-width:1180px;position:relative;box-shadow:0 12px 30px #1b2a4a12}
.toc h2{font-size:17px;margin:0 0 12px;color:var(--brand);letter-spacing:2px}
.toc ol{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:8px 20px}
.toc a{color:#2c3c58;text-decoration:none;font-size:15px;display:flex;gap:8px}
.toc a:hover{color:var(--blue)}
.toc a i{font-style:normal;color:#93a2bd;font-weight:700;min-width:26px}

/* 章节 */
section{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 30px 30px;margin-bottom:24px;box-shadow:0 8px 22px #1b2a4a08}
section>h2{font-size:25px;margin:0 0 6px;color:#152642;display:flex;align-items:center;gap:12px}
section>h2 .n{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;border-radius:10px;background:#fff;color:#bc1927;border:2px solid #bc1927;font-size:18px;font-weight:800;padding:0 10px}
section>.lead{color:var(--muted);font-size:16px;margin:0 0 20px;padding-left:52px}
h3{font-size:19px;margin:26px 0 10px;color:#1d3157;display:flex;align-items:center;gap:9px}
h3 .dot{width:10px;height:10px;border-radius:50%;background:var(--blue);display:inline-block}
h3 .dot.r{background:var(--brand)}h3 .dot.g{background:var(--ok)}h3 .dot.o{background:var(--warn)}
p{margin:0 0 12px}
ul,ol{margin:0 0 12px;padding-left:24px}
li{margin-bottom:6px}
code,.mono{font-family:"JetBrains Mono",Consolas,monospace;background:#f1f4fb;border:1px solid #e2e8f6;border-radius:6px;padding:1px 7px;font-size:14px;color:#2c3f6b}
pre{background:#141b2e;color:#dfe6f7;border-radius:12px;padding:16px 18px;overflow:auto;font-family:"JetBrains Mono",Consolas,monospace;font-size:14px;line-height:1.7;margin:0 0 14px}
pre .k{color:#8ab4ff;font-weight:700}pre .s{color:#8ce0b0}pre .c{color:#7b87a6}pre .v{color:#ffc46b}
table{width:100%;border-collapse:collapse;font-size:15px;margin:0 0 14px}
th{background:#eef2fd;color:#2b3f6d;text-align:left;padding:10px 13px;border-bottom:2px solid #d8e0f5;font-size:15px}
td{padding:9px 13px;border-bottom:1px solid #eaeef8;color:#46536e;vertical-align:top}
tr:last-child td{border-bottom:none}
.ok{color:var(--ok);font-weight:700}.no{color:var(--brand);font-weight:700}
.tip{border-left:5px solid var(--blue);background:var(--soft);padding:12px 16px;border-radius:0 10px 10px 0;margin:0 0 14px;font-size:15px;color:#2b3f6b}
.tip.warn{border-left-color:var(--warn);background:#fffbf1;color:#6b4a12}
.tip.bad{border-left-color:var(--brand);background:#fff5f6;color:#7d1620}
.tip.good{border-left-color:var(--ok);background:#f2fbf6;color:#14563a}
.tip b{color:inherit}
.fig{margin:0 0 18px}
.fig .cap{font-size:14px;color:#7b889f;margin-top:9px;text-align:center}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.steps{counter-reset:s;margin:0 0 14px;padding:0;list-style:none}
.steps li{counter-increment:s;position:relative;padding-left:40px;margin-bottom:12px}
.steps li:before{content:counter(s);position:absolute;left:0;top:1px;width:27px;height:27px;border-radius:50%;background:#e8eefc;color:#2f4a86;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center}

/* ===== HTML 画的 Dify 界面示意 ===== */
.ui{border:1px solid var(--uib);border-radius:14px;overflow:hidden;background:var(--ui);font-size:13px;box-shadow:0 10px 26px #1b2a4a14;margin:0 0 8px}
.ui .bar{display:flex;align-items:center;gap:7px;background:#eceff8;padding:9px 13px;border-bottom:1px solid var(--uib)}
.ui .bar i{width:10px;height:10px;border-radius:50%;background:#cdd5e8;display:block}
.ui .bar .url{margin-left:10px;background:#fff;border:1px solid #dfe4f0;border-radius:7px;padding:2px 11px;color:#6b7a99;font-size:12px;flex:1;font-family:Consolas,monospace}
.ui .bar .tagmark{background:#fff3cd;color:#8a6d1a;border:1px solid #f0dca4;border-radius:6px;padding:1px 8px;font-size:11px;font-weight:700}
.ui .body{display:flex;min-height:270px}
.ui .side{width:172px;background:#f2f4fb;border-right:1px solid var(--uib);padding:12px 10px;display:flex;flex-direction:column;gap:5px}
.ui .side .logo{font-weight:800;color:#1c2b52;font-size:16px;letter-spacing:1px;padding:4px 8px 12px}
.ui .side .logo em{font-style:normal;color:var(--blue)}
.ui .nav{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:9px;color:#4b5b7c}
.ui .nav.on{background:#e2e9fb;color:#1b3a86;font-weight:700}
.ui .nav b{width:16px;height:16px;border-radius:5px;background:#c9d4ee;display:block}
.ui .nav.on b{background:var(--blue)}
.ui .main{flex:1;padding:14px 16px;background:#fff;min-width:0}
.ui .topbar{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #eceff8;padding-bottom:10px;margin-bottom:13px}
.ui .topbar .t{font-weight:700;color:#1f2f52;font-size:15px}
.ui .btn{display:inline-block;background:var(--blue);color:#fff;border-radius:8px;padding:5px 13px;font-size:12.5px;font-weight:700}
.ui .btn.ghost{background:#fff;color:#3c5aa6;border:1px solid #cfd9f2}
.ui .btn.gray{background:#eef1f8;color:#5b6b8c;border:1px solid #dfe4f0}
.ui .cards{display:grid;grid-template-columns:repeat(4,1fr);gap:11px}
.ui .app{border:1px solid #e5e9f5;border-radius:11px;padding:12px;background:#fff}
.ui .app .ic{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#5b8bff,#7a5bff);margin-bottom:9px}
.ui .app .nm{font-weight:700;color:#22345c;font-size:13px}
.ui .app .ds{color:#7b889f;font-size:11.5px;margin-top:3px}
.ui .app.new{border-style:dashed;display:flex;align-items:center;justify-content:center;color:#5b79c9;font-weight:700;min-height:96px;background:#fbfcff}
.ui .modal{border:1px solid #dfe4f0;border-radius:13px;background:#fff;box-shadow:0 18px 40px #1b2a4a22;padding:16px;max-width:560px;margin:6px auto}
.ui .modal h5{margin:0 0 12px;font-size:15px;color:#1f2f52}
.ui .opts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ui .opt{border:1px solid #e5e9f5;border-radius:10px;padding:11px 12px;background:#fff}
.ui .opt.on{border-color:var(--blue);background:#f3f7ff;box-shadow:0 0 0 2px #155aef22}
.ui .opt .h{font-weight:700;color:#22345c;font-size:13px;display:flex;align-items:center;gap:7px}
.ui .opt .h b{width:15px;height:15px;border-radius:5px;background:#c9d4ee}
.ui .opt.on .h b{background:var(--blue)}
.ui .opt p{margin:5px 0 0;color:#7b889f;font-size:11.5px;line-height:1.5}
.ui .fld{margin-bottom:11px}
.ui .fld .lb{font-size:12px;color:#5b6b8c;margin-bottom:5px;font-weight:700}
.ui .inp{border:1px solid #dfe4f0;border-radius:8px;background:#fff;padding:7px 10px;color:#46536e;font-size:12.5px}
.ui .ta{border:1px solid #dfe4f0;border-radius:9px;background:#fff;padding:10px 12px;color:#33415e;font-size:12.5px;line-height:1.7;font-family:"JetBrains Mono",Consolas,monospace;white-space:pre-wrap}
.ui .row{display:flex;gap:12px}
.ui .col{flex:1;min-width:0}
.ui .panelbox{border:1px solid #e8ecf6;border-radius:11px;background:#fcfdff;padding:12px}
.ui .panelbox .hd{font-size:12.5px;font-weight:700;color:#2b3f6d;margin-bottom:9px;display:flex;justify-content:space-between;align-items:center}
.ui .switch{display:inline-block;width:34px;height:19px;border-radius:999px;background:#d5dced;position:relative}
.ui .switch:after{content:"";position:absolute;left:2px;top:2px;width:15px;height:15px;border-radius:50%;background:#fff}
.ui .switch.on{background:var(--blue)}
.ui .switch.on:after{left:17px}
.ui .chat{display:flex;flex-direction:column;gap:9px}
.ui .bub{border-radius:11px;padding:9px 12px;font-size:12.5px;line-height:1.6;max-width:88%}
.ui .bub.me{background:#e8f0ff;color:#22345c;align-self:flex-end;border:1px solid #d6e3ff}
.ui .bub.ai{background:#f6f7fb;color:#33415e;align-self:flex-start;border:1px solid #e6e9f4}
.ui .bub .out{font-family:Consolas,monospace;background:#141b2e;color:#8ce0b0;border-radius:7px;padding:6px 9px;margin-top:6px;font-size:12px}
.ui .upload{border:1.5px dashed #c3cde6;border-radius:10px;padding:11px;text-align:center;color:#5b79c9;background:#fbfcff;font-size:12px}
.ui .thumbs{display:flex;gap:6px;margin-top:8px;justify-content:center}
.ui .thumbs span{width:34px;height:34px;border-radius:7px;background:linear-gradient(135deg,#dfe6f7,#c9d4ee);border:1px solid #cfd8ec;display:block}
.ui .thumbs span.on{outline:2px solid var(--blue)}
.ui .list{border:1px solid #e8ecf6;border-radius:10px;overflow:hidden}
.ui .list .li{display:flex;justify-content:space-between;align-items:center;padding:8px 11px;border-bottom:1px solid #eef1f8;background:#fff;color:#46536e;font-size:12.5px}
.ui .list .li:last-child{border-bottom:none}
.ui .list .li b{color:#22345c}
.ui .badge{font-size:11px;border-radius:999px;padding:2px 9px;font-weight:700}
.ui .badge.g{background:#e7f7ee;color:#166b45}.ui .badge.b{background:#e8f0ff;color:#28417f}.ui .badge.y{background:#fff4dc;color:#8a6314}.ui .badge.r{background:#ffecec;color:#96202a}
/* 标注气泡 */
.mark{position:relative}
.pins{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 14px}
.pin{display:flex;gap:9px;align-items:flex-start;background:#fbfcff;border:1px solid #e5e9f5;border-radius:11px;padding:9px 13px;font-size:14px;color:#46536e;flex:1 1 300px}
.pin b{display:inline-flex;align-items:center;justify-content:center;min-width:23px;height:23px;border-radius:50%;background:var(--brand);color:#fff;font-size:12.5px;padding:0 5px}
.pin.blue b{background:var(--blue)}
/* 报告输出示意 */
.doc{border:1px solid #e2e6f2;border-radius:12px;background:#fff;padding:20px 24px;font-size:14px;color:#33415e;line-height:1.85}
.doc h6{margin:0 0 10px;font-size:19px;color:#152642;text-align:center;font-weight:800}
.doc .h1{font-size:16.5px;font-weight:800;color:#152642;margin:14px 0 6px}
.doc .h2{font-size:15px;font-weight:700;color:#22345c;margin:11px 0 5px}
.doc .h3{font-size:14px;font-weight:700;color:#3b4a68;margin:8px 0 4px}
.doc .hl{background:#fff3cd;padding:0 4px;border-radius:4px}
footer.end{text-align:center;color:#8492ab;font-size:14px;padding:20px 0 0}
@media print{
  body{background:#fff}
  .toc{box-shadow:none;margin-top:16px}
  section{break-inside:avoid;box-shadow:none;border-color:#ccc}
  .hero{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}
@media (max-width:900px){.toc ol{grid-template-columns:1fr}.grid2{grid-template-columns:1fr}.ui .cards{grid-template-columns:repeat(2,1fr)}}

/* 场景二手册：图片网格 / 正反例 / 六步条 */
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:0 0 16px}
.gal figure{margin:0;background:#fff;border:1px solid #e3e8f3;border-radius:12px;overflow:hidden;box-shadow:0 6px 16px #18387208}
.gal img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}
.gal figcaption{padding:8px 10px;font-size:13.5px;line-height:1.5;color:#44536e}
.gal figcaption b{display:block;color:#1f2c48;font-size:14px}
.gal.c2{grid-template-columns:repeat(2,1fr)}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:0 0 16px}
.pair .ex{border-radius:12px;padding:14px 16px;border:1px solid;display:flex;flex-direction:column;gap:8px}
.pair .ex.good{background:#f2fbf6;border-color:#bfe6cf}
.pair .ex.bad{background:#fff5f6;border-color:#f3c3c8}
.pair .lab{font-weight:800;font-size:14px}
.pair .good .lab{color:#14563a}.pair .bad .lab{color:#9b1c28}
.pair .txt{background:#fff;border-radius:8px;padding:10px 12px;font-size:14.5px;line-height:1.7;color:#1f2c48;white-space:pre-wrap;border:1px solid #0000000d;font-family:inherit}
.pair .why{font-size:13.5px;line-height:1.6;color:#44536e}
.pair .why b{color:#1f2c48}
.flow{display:flex;gap:8px;margin:0 0 18px}
.flow div{flex:1;background:#eef3ff;border-top:4px solid #5878df;border-radius:0 0 9px 9px;padding:10px 8px;text-align:center;font-size:13px;color:#2b3f6d}
.flow div b{display:block;font-size:15px;margin-bottom:2px;color:#1f2c48}
.flow div.hot{background:#fff4f4;border-top-color:#d9535f}
.howto{list-style:none;padding:0;margin:0 0 12px;counter-reset:h}
.howto li{position:relative;padding-left:34px;margin:0 0 8px;font-size:15px;line-height:1.7;color:#2b3f6b}
.howto li:before{counter-increment:h;content:counter(h);position:absolute;left:0;top:3px;width:24px;height:24px;border-radius:50%;background:#bc1927;color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center}
@media (max-width:900px){.gal{grid-template-columns:repeat(2,1fr)}.pair{grid-template-columns:1fr}.flow{flex-wrap:wrap}}
.checklist{display:flex;flex-direction:column;gap:10px;margin:0 0 14px}
.checklist .row{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid #e3e8f3;border-radius:10px;padding:10px 14px}
.checklist .row p{margin:0;font-size:15px;line-height:1.6;color:#2b3f6b}
.checklist .bx{width:20px;height:20px;border:2px solid #b98b93;border-radius:5px;flex-shrink:0;margin-top:3px}