:root{--blue:#2a5caa;--blue2:#3a6fd0;--sky:#6a9dfb;--ink:#1c2430;--sub:#5b6675;--line:#e6ebf3;--bg:#f5f8fc;--card:#fff}
*{box-sizing:border-box;margin:0;padding:0}
body{font:16px/1.75 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:#f6f8fb}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px}
.brand-logo{width:36px;height:36px;border-radius:9px;object-fit:cover}
.brand-txt i{display:block;font-style:normal;font-size:11px;color:var(--sub);font-weight:400}
.nav-menu{display:flex;gap:26px;font-size:15px}
.nav-menu a{color:var(--sub);padding:4px 0;border-bottom:2px solid transparent}
.nav-menu a.on,.nav-menu a:hover{color:var(--blue);border-color:var(--blue)}
.hero{background:linear-gradient(135deg,#7aa7fc 0%,#6a9dfb 40%,#6078dd 100%);color:#fff;padding:64px 0 72px}
.hero-in{display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center}
.hero-tag{display:inline-block;font-size:13px;letter-spacing:2px;background:rgba(255,255,255,.16);padding:6px 14px;border-radius:999px;margin-bottom:18px}
.hero h1{font-size:40px;line-height:1.25;letter-spacing:1px}
.hero h1 span{display:block;font-size:17px;font-weight:400;opacity:.85;margin-top:10px;letter-spacing:3px}
.hero-p{margin:18px 0 26px;font-size:16px;line-height:1.9;opacity:.95;max-width:560px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 26px;border-radius:10px;font-weight:600;font-size:15px}
.btn-main{background:#fff;color:var(--blue)}
.btn-ghost{border:1px solid rgba(255,255,255,.55);color:#fff}
.hero-stats{display:flex;gap:36px;margin-top:34px}
.hero-stats b{display:block;font-size:28px}
.hero-stats span{font-size:13px;opacity:.85}
.hero-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:16px;padding:24px}
.hc-t{font-weight:700;margin-bottom:14px}
.hc-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.hc-list li{font-size:14px;line-height:1.6;padding-left:34px;position:relative;opacity:.95}
.hc-list i{position:absolute;left:0;top:1px;font-style:normal;font-size:12px;background:rgba(255,255,255,.2);border-radius:6px;padding:1px 6px}
.hc-foot{margin-top:16px;font-size:12px;opacity:.75}
.sec{padding:56px 0;background:#fff}
.sec-alt{background:#f6f8fb}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:26px}
.sec-head h2{font-size:24px}
.more{color:var(--blue);font-size:14px}
.cat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;transition:.18s}
.cat-card:hover{border-color:var(--sky);box-shadow:0 6px 20px rgba(58,111,208,.12);transform:translateY(-2px)}
.cc-n{display:flex;align-items:center;gap:8px;font-weight:600;font-size:15px}
.cc-n svg{width:20px;height:20px;color:var(--blue);flex:none}
.cc-c{color:var(--sub);font-size:12px;margin-top:4px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.two-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
.tc-t{font-size:18px;font-weight:700}
.tc-n{color:var(--blue);font-size:14px;margin:6px 0 12px}
.two-card p{color:var(--sub);font-size:14px;line-height:1.9}
.tc-a{display:inline-block;margin-top:14px;color:var(--blue);font-size:14px}
.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tool-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.tlc-t{font-weight:700;font-size:16px;margin-bottom:8px}
.tool-card p{color:var(--sub);font-size:14px;line-height:1.8}
.tlc-s{margin-top:12px;font-size:12px;color:#8494a8}
.ribbon{margin-top:20px;background:#eef4ff;border:1px solid #d8e4fb;color:var(--blue);border-radius:10px;padding:14px 18px;font-size:14px;text-align:center}
.page-head{background:linear-gradient(180deg,#edf3fc 0%,#f6f8fb 100%);padding:46px 0 38px;border-bottom:none}
.page-head h1{font-size:32px;letter-spacing:.5px}
.page-head p{color:var(--sub);margin-top:8px;font-size:14px}
.filters{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.f-kw{flex:1;min-width:220px;padding:11px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px}
.f-sel{padding:11px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;background:#fff}
.f-aud{display:flex;gap:8px}
.f-btn{padding:10px 16px;border:1px solid var(--line);background:#fff;border-radius:10px;font-size:14px;cursor:pointer;color:var(--sub)}
.f-btn.on{background:var(--blue);border-color:var(--blue);color:#fff}
.f-count{color:var(--sub);font-size:13px;margin-bottom:18px}
.list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:8px;transition:.18s}
.item:hover{border-color:var(--sky);box-shadow:0 6px 20px rgba(58,111,208,.1);transform:translateY(-2px)}
.it-cat{width:36px;height:36px;color:var(--blue);background:#eaf1fc;border-radius:10px;display:flex;align-items:center;justify-content:center;align-self:flex-start}
.it-cat svg{width:18px;height:18px}
.it-t{font-weight:600;font-size:16px;line-height:1.5}
.it-s{color:var(--sub);font-size:13px;line-height:1.7;flex:1}
.it-m{color:#8494a8;font-size:12px}
.art{padding:36px 0 60px}
.art-wrap{max-width:820px}
.crumb{color:var(--sub);font-size:13px;margin-bottom:18px}
.crumb a{color:var(--blue)}
.art-t{font-size:30px;line-height:1.4}
.art-meta{display:flex;gap:14px;align-items:center;color:var(--sub);font-size:13px;margin:14px 0 20px;flex-wrap:wrap}
.tag{background:#eef4ff;color:var(--blue);padding:3px 10px;border-radius:6px}
.art-sum{background:var(--bg);border-left:3px solid var(--sky);padding:16px 18px;border-radius:0 10px 10px 0;color:#33404f;font-size:15px;margin-bottom:26px}
.art-body h2{font-size:20px;margin:30px 0 12px;padding-left:12px;border-left:4px solid var(--blue)}
.art-body p{font-size:16px;line-height:2;color:#2b3644;margin-bottom:6px}
.art-cta{margin-top:34px;background:linear-gradient(135deg,#22488a,#3a6fd0);color:#fff;border-radius:14px;padding:24px}
.ac-t{font-weight:700;font-size:17px;margin-bottom:8px}
.art-cta p{font-size:14px;line-height:1.9;opacity:.95}
.ac-b{margin-top:14px;display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);padding:9px 18px;border-radius:999px;font-size:14px}
.art-note{margin-top:18px;color:#8494a8;font-size:13px;line-height:1.8}
.rel{margin-top:40px}
.rel-h{font-weight:700;font-size:18px;margin-bottom:16px}
.narrow{max-width:820px}
.about-ul{margin:12px 0 22px 20px;color:#2b3644}
.about-ul li{margin-bottom:8px;line-height:1.9}
#tools,.narrow h2{font-size:20px;margin:30px 0 12px}
.narrow p{font-size:15px;line-height:2;color:#2b3644}
.foot{background:linear-gradient(180deg,#1d2c48,#141f33);color:#c3cbd8;padding:46px 0 24px;margin-top:20px;font-size:14px}
.foot-cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.foot-brand{color:#fff;font-weight:700;font-size:18px;margin-bottom:10px}
.foot-p{line-height:1.9;font-size:13px;color:#98a4b4}
.foot-h{color:#fff;font-weight:600;margin-bottom:12px}
.foot a{display:block;margin-bottom:8px;color:#98a4b4}
.foot a:hover{color:#fff}
.foot-bottom{margin-top:30px;padding-top:18px;border-top:1px solid #2c3c5c;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#8494a8;flex-wrap:wrap}
.icp{color:#b9c4d3;text-decoration:none}
.icp:hover{color:#fff}
/* ---- AI 功能页（问答/分析/模板详情） ---- */
.ai-note{background:#fff8e8;border:1px solid #f0dfb2;color:#8a6d1a;border-radius:10px;padding:11px 15px;font-size:13px;line-height:1.8;margin-bottom:16px}
.chatlog{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;min-height:340px;max-height:62vh;overflow-y:auto;display:flex;flex-direction:column;gap:14px}
.msg{max-width:88%;line-height:1.85;font-size:14.5px}
.msg.user{align-self:flex-end;background:var(--blue);color:#fff;border-radius:14px 14px 4px 14px;padding:10px 14px;white-space:pre-wrap}
.msg.bot{align-self:flex-start;background:var(--bg);border:1px solid var(--line);border-radius:14px 14px 14px 4px;padding:12px 16px}
.md h3{font-size:15px;margin:12px 0 7px;color:var(--blue)}
.md p{margin:7px 0}
.md li{margin:4px 0 4px 18px}
.md ol li{list-style:decimal}
.md ul li{list-style:disc}
.md blockquote{border-left:3px solid var(--sky);background:#eef4fd;padding:7px 11px;margin:9px 0;border-radius:6px;font-size:13.5px}
.md table{border-collapse:collapse;margin:9px 0;font-size:13px;max-width:100%}
.md td,.md th{border:1px solid var(--line);padding:5px 9px}
.md b{color:inherit}
.msg.bot .md>*:first-child{margin-top:0}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
.chip{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:7px 14px;font-size:13px;color:var(--sub);cursor:pointer}
.chip:hover{border-color:var(--sky);color:var(--blue)}
.chat-in{display:flex;gap:10px;align-items:flex-end;margin-top:2px}
.chat-in textarea{flex:1;border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:14.5px;font-family:inherit;resize:vertical;min-height:52px}
.quota{margin-top:10px;font-size:12.5px;color:#98a4b4}
/* --- 法行宝式 AI 功能页布局 --- */
.ai-hero{padding:36px 0 6px}
.greet{display:flex;align-items:center;justify-content:center;gap:16px;margin:4px 0 24px}
.greet svg{width:68px;height:68px;flex:none;filter:drop-shadow(0 6px 14px rgba(42,92,170,.22))}
.g-bubble{background:#fff;border:1px solid #e3e9f2;border-radius:4px 18px 18px 18px;padding:13px 20px;font-weight:600;color:#1f2a3a;font-size:15.5px;box-shadow:0 8px 22px rgba(42,92,170,.08)}
.greet-card{background:#fff;border:1px solid #e6ecf4;border-radius:16px;padding:20px 22px;box-shadow:0 10px 30px rgba(42,92,170,.07)}
.g-intro{font-size:14.5px;line-height:1.85;color:#33415a;margin:0 0 14px}
.g-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.g-label{font-weight:700;color:#1f2a3a;font-size:15px}
.g-tag{font-size:12.5px;color:#8a97ab}
.g-swap{background:none;border:none;color:#2a5caa;cursor:pointer;font-size:13px;padding:2px 4px}
.g-swap:hover{text-decoration:underline}
.guess-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.g-card{text-align:left;background:#f4f7fc;border:1px solid #e3ebf5;border-radius:12px;padding:14px 14px 12px;cursor:pointer;transition:.15s;display:flex;flex-direction:column;gap:10px;font-family:inherit}
.g-card:hover{border-color:#9dbcf0;background:#eef4fd;transform:translateY(-2px);box-shadow:0 6px 14px rgba(42,92,170,.10)}
.g-q{font-size:14px;font-weight:600;color:#22304a;line-height:1.55}
.input-card{background:#fff;border:1px solid #e6ecf4;border-radius:16px;padding:14px 16px;box-shadow:0 10px 30px rgba(42,92,170,.07);margin-top:16px}
.input-card textarea{width:100%;border:none;resize:none;font:inherit;font-size:14.5px;color:#22304a;outline:none;background:transparent;min-height:60px;line-height:1.7}
.ic-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:8px}
.ic-quota{font-size:12.5px;color:#98a4b4}
.g-foot{text-align:center;font-size:12.5px;color:#9aa7b8;margin-top:20px}
.g-foot a{color:#7a95c9;text-decoration:none}
.g-foot a:hover{text-decoration:underline}
@media(max-width:720px){
  .guess-grid{grid-template-columns:repeat(2,1fr)}
  .greet{gap:12px}.greet svg{width:56px;height:56px}
  .g-bubble{font-size:14.5px;padding:11px 16px}
}
/* --- 应用式侧栏布局 --- */
.side{position:fixed;left:0;top:0;bottom:0;width:240px;background:#f7f9fd;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:16px 12px 12px;overflow-y:auto;z-index:60}
.s-brand{display:flex;align-items:center;gap:10px;padding:4px 6px 14px;text-decoration:none}
.s-logo{width:34px;height:34px;border-radius:9px;object-fit:cover}
.s-bt{font-weight:700;color:var(--ink);font-size:16px;line-height:1.3;display:flex;flex-direction:column}
.s-bt i{font-style:normal;font-weight:400;font-size:11px;color:#8a97ab}
.s-menu{display:flex;flex-direction:column;gap:3px}
.s-item{display:flex;align-items:center;gap:11px;padding:9px 10px;border-radius:12px;text-decoration:none;color:#33415a;transition:.15s}
.s-item:hover{background:#edf2fb}
.s-item.on{background:#e4edfc;color:#1f4fa3}
.s-item.on .s-tx{font-weight:700}
.s-ic{width:34px;height:34px;flex:none;border-radius:10px;background:#e8f0fd;color:var(--blue);display:flex;align-items:center;justify-content:center;transition:.15s}
.s-item.on .s-ic{background:linear-gradient(135deg,#6a9dfb,#2a5caa);color:#fff;box-shadow:0 3px 8px rgba(42,92,170,.2)}
.s-ic svg{width:19px;height:19px}
.s-tx{display:flex;flex-direction:column;font-size:14px;line-height:1.35;font-weight:600;min-width:0}
.s-tx i{font-style:normal;font-weight:400;font-size:11px;color:#8a97ab;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.s-div{height:1px;background:var(--line);margin:10px 8px}
.s-menu2 .s-item{padding:7px 10px}
.s-menu2 .s-tx{font-weight:500}
.s-foot{margin-top:auto;padding:12px 8px 2px;font-size:10.5px;color:#9aa7b8;line-height:1.8}
.s-foot a{color:#9aa7b8;text-decoration:none}
.main{margin-left:240px;min-height:100vh;display:flex;flex-direction:column}
.main>.foot{margin-top:auto}
.m-top{display:none}
@media(max-width:920px){
  .side{display:none}
  .main{margin-left:0}
  .m-top{display:block;position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:10px 14px 0}
  .m-brand{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);text-decoration:none;font-size:15px;padding-bottom:8px}
  .m-brand img{width:26px;height:26px;border-radius:7px}
  .m-nav{display:flex;gap:6px;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:9px;scrollbar-width:none}
  .m-nav::-webkit-scrollbar{display:none}
  .m-nav a{flex:none;font-size:13px;color:#33415a;text-decoration:none;padding:5px 13px;border-radius:999px;background:#f2f5fa}
  .m-nav a.on{background:var(--blue);color:#fff;font-weight:600}
}
/* 工具箱页 */
.tools-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:920px){.tools-grid{grid-template-columns:repeat(2,1fr)}}
.tool-card{display:flex;flex-direction:column;gap:8px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 16px 14px;text-decoration:none;transition:.15s}
.tool-card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(42,92,170,.10);border-color:#bcd0f0}
.tool-ic{width:40px;height:40px;border-radius:11px;background:#eaf1fc;color:var(--blue);display:flex;align-items:center;justify-content:center;flex:none}
.tool-ic svg{width:21px;height:21px}
.tool-n{font-size:15px;font-weight:700;color:var(--ink)}
.tool-t{font-size:12.5px;color:#8a97ab}
/* 聊天输出：机器人消息带头像 */
.msg-row{display:flex;gap:10px;align-items:flex-start}
.msg-row.u{justify-content:flex-end}
.msg-row .msg{max-width:88%}
.mini-av{width:30px;height:30px;flex:none;border-radius:9px;background:linear-gradient(135deg,#6a9dfb,#2a5caa);color:#fff;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;font-family:inherit}
/* --- 全站视觉统一 --- */
.cat-card,.item,.tool-card,.two-card{border:1px solid #e9eef6;border-radius:14px;background:#fff;transition:.18s}
.cat-card:hover,.item:hover,.tool-card:hover,.two-card:hover{transform:translateY(-3px);border-color:#c9d9f3;box-shadow:0 12px 26px rgba(28,58,110,.08)}
.an-box textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:14px;font-size:14px;font-family:inherit;line-height:1.8;resize:vertical}
.an-bar{display:flex;justify-content:space-between;align-items:center;margin:12px 0}
.an-bar span{font-size:12.5px;color:#98a4b4}
.loading{display:flex;gap:10px;align-items:center;background:var(--bg);border:1px dashed var(--line);border-radius:12px;padding:16px;color:var(--sub);font-size:14px;margin:16px 0}
.spin{width:18px;height:18px;border:2.5px solid var(--sky);border-top-color:transparent;border-radius:50%;animation:sp 1s linear infinite;flex:none}
@keyframes sp{to{transform:rotate(360deg)}}
.tagline{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.tag{border-radius:999px;padding:6px 13px;font-size:13px;background:var(--bg);border:1px solid var(--line);color:var(--sub)}
.tag.lv-high{background:#fdecec;border-color:#f5c2c2;color:#c0392b}
.tag.lv-mid{background:#fff5e6;border-color:#f2d9a8;color:#b9770e}
.tag.lv-low{background:#e9f7ee;border-color:#bfe3cb;color:#1e8449}
.report{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;line-height:1.9;font-size:14.5px}
.tpl-ph{display:inline-block;background:#eef4fd;border:1px solid #d6e4fa;color:var(--blue);border-radius:6px;padding:0 7px;font-size:13px;margin:0 2px}
.pre-contract{white-space:pre-line;line-height:2.1;font-size:14.5px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;overflow-x:auto}
.dl-row{display:flex;gap:12px;align-items:center;margin:0 0 18px;flex-wrap:wrap}
@media(max-width:980px){
 .hero-in,.two-col{grid-template-columns:1fr;gap:28px}
 .cat-grid,.list-grid,.tool-grid{grid-template-columns:repeat(2,1fr)}
 .hero h1{font-size:30px}
 .nav-menu{gap:14px;font-size:14px}
}
@media(max-width:640px){
 .cat-grid,.list-grid,.tool-grid,.foot-cols{grid-template-columns:1fr}
 .brand-txt i{display:none}
 .hero{padding:44px 0 50px}.sec{padding:44px 0}
}
.brand-logo{box-shadow:0 2px 8px rgba(42,92,170,.25)}
.svc-h{font-size:20px;font-weight:700;margin:0 0 18px}
.feat-hero{display:flex;gap:20px;align-items:flex-start;background:linear-gradient(135deg,#eef4ff,#f5f8fc);border:1px solid #d8e4fb;border-radius:16px;padding:26px;margin-bottom:28px}
.fh-icon{color:var(--blue);background:linear-gradient(135deg,#eaf1fc,#fff);border:1px solid #dbe7f8;border-radius:14px;width:74px;height:74px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.fh-icon svg{width:36px;height:36px}
.fh-tag{color:#33404f;font-size:15px;margin-top:6px}
.feat-hero .art-t{font-size:26px}
.feat-hero .art-meta{margin:10px 0 0}
.f-points{margin:6px 0 10px 20px}
.f-points li{margin-bottom:9px;line-height:1.9;color:#2b3644}
.f-steps{display:flex;flex-direction:column;gap:0;margin:10px 0 16px}
.f-step{display:flex;gap:14px;padding:13px 0;border-bottom:1px dashed var(--line)}
.f-step:last-child{border-bottom:none}
.fs-n{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#6a9dfb,#6078dd);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0}
.f-step b{font-size:15px}
.f-step p{color:var(--sub);font-size:14px;line-height:1.8;margin-top:2px}
.f-price{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:6px 18px;margin:12px 0 20px}
.fp-row{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.fp-row:last-child{border-bottom:none}
.fp-row span{color:#4a5a70}
.fp-row b{color:var(--blue);text-align:right}
.f-faq{display:flex;flex-direction:column;gap:12px;margin:12px 0 8px}
.fq{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.fq-q{font-weight:600;font-size:15px;color:#2b3644}
.fq-a{margin-top:6px;color:var(--sub);font-size:14px;line-height:1.9}
.m-plan .m-price{font-size:22px;font-weight:700;color:var(--blue);margin:4px 0 8px}
.m-items{margin:6px 0 10px 18px;color:#2b3644;font-size:14px}
.m-items li{margin-bottom:5px;line-height:1.7}
.m-h2{font-size:22px;margin:40px 0 16px}
.m-wide{max-width:640px}