/* ============================================================
   企自融 · 官方网站 设计系统
   品牌令牌（企小宜品牌视觉令牌 v2.1）：
   熊猫蓝 #0b4fa8 / 行动蓝 #0a72f5 / 暖金 #C8A04A / 成长青 #1E9E8A
   ============================================================ */
:root{
  --navy:#0b4fa8;          /* qz-primary 主色 */
  --navy-deep:#0d5fcc;     /* qz-deep 次级 */
  --blue:#0a72f5;          /* panda-blue 行动 */
  --blue-light:#57a6fa;    /* panda-light */
  --blue-mist:#eaf2fe;     /* qz-mist 浅蓝底 */
  --gold:#C8A04A;          /* gy-main 暖金 */
  --gold-deep:#8A6A1F;     /* gy-deep 金底文字 */
  --gold-soft:#E0C583;
  --gold-mist:#F7F0DE;
  --jade:#1E9E8A;          /* 成长青 */
  --jade-mist:#E4F5F1;
  --ink:#14181f;
  --ink-2:#59606e;
  --ink-3:#98a0ae;
  --bg:#f4f7fc;
  --bg-deep:#edf2f9;
  --card:#ffffff;
  --line:#e4eaf2;
  --line-soft:#f1f5fa;
  --grad-hero:linear-gradient(150deg,#0b4fa8 0%,#0d5fcc 52%,#0a72f5 100%);
  --grad-blue:linear-gradient(135deg,#0a72f5 0%,#57a6fa 100%);
  --grad-gold:linear-gradient(135deg,#8A6A1F 0%,#C8A04A 100%);
  --sh-blue:0 12px 30px rgba(10,114,245,.18);
  --sh-card:0 8px 28px rgba(20,40,80,.08);
  --r-sm:10px; --r-md:14px; --r-lg:18px; --r-xl:24px; --r-pill:999px;
  --maxw:1200px;
  --nav-h:68px;
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:15px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.hero .container,.hero-grid{min-width:0}
.hero h1,.section-head h2{overflow-wrap:break-word;word-break:break-word}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
ul{list-style:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mono{font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:var(--r-pill);font-weight:600;font-size:15px;cursor:pointer;border:1.5px solid transparent;transition:.2s;white-space:nowrap}
.btn-primary{background:var(--grad-blue);color:#fff;box-shadow:var(--sh-blue)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(10,114,245,.28)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-line{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-line:hover{border-color:var(--blue);color:var(--blue)}
.btn-gold{background:var(--grad-gold);color:#fff;box-shadow:0 12px 28px rgba(138,106,31,.22)}
.btn-gold:hover{transform:translateY(-2px)}
/* 导航 · 智能BOSS办公室 入口（暖金差异化，含小图标） */
.boss-btn{padding:10px 20px;font-size:14px;gap:7px}
.boss-btn::before{content:"";width:15px;height:15px;flex:0 0 15px;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 20V7l6-3 6 3V7h6v13H3zm6-2v-3H5v3h4zm6 0v-5h-4v5h4zm4 0v-3h-2v3h2z'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 20V7l6-3 6 3V7h6v13H3zm6-2v-3H5v3h4zm6 0v-5h-4v5h4zm4 0v-3h-2v3h2z'/%3E%3C/svg%3E") center/contain no-repeat}
.boss-btn .boss-sm{display:none}

/* ---------- 顶部导航 ---------- */
.header{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:100;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);transition:.25s}
.header.scrolled{box-shadow:0 4px 20px rgba(20,40,80,.06)}
.nav{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--navy);letter-spacing:.5px}
.brand .logo{width:34px;height:34px}
.brand small{font-weight:500;font-size:12px;color:var(--ink-3);letter-spacing:0}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{font-size:15px;color:var(--ink-2);font-weight:500;position:relative;padding:6px 0;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--navy)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:2px;background:var(--grad-blue)}
.nav-cta{display:flex;align-items:center;gap:14px}
.menu-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.menu-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--grad-hero);color:#fff;overflow:hidden;padding:calc(var(--nav-h) + 86px) 0 96px}
.hero::before{content:"";position:absolute;width:620px;height:620px;border:2px solid rgba(255,255,255,.12);border-radius:50%;right:-180px;top:-200px}
.hero::after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(255,255,255,.08);border-radius:50%;right:80px;bottom:-160px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);padding:7px 16px;border-radius:var(--r-pill);font-size:13px;letter-spacing:.5px;margin-bottom:22px;max-width:100%;white-space:normal;line-height:1.5;text-align:left}
.hero h1{font-size:46px;line-height:1.22;font-weight:800;letter-spacing:.5px}
.hero h1 .hl{color:var(--gold-soft)}
.hero p.lead{font-size:17px;color:#dce8fb;margin:22px 0 32px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:36px;margin-top:46px}
.hero-stats .num{font-size:30px;font-weight:800;color:#fff}
.hero-stats .num .u{font-size:16px;color:var(--gold-soft);margin-left:2px}
.hero-stats .lbl{font-size:13px;color:#b9cdf0;margin-top:2px}
.hero-art{position:relative}
.hero-art svg{filter:drop-shadow(0 20px 40px rgba(0,0,0,.25))}

/* ---------- 区块通用 ---------- */
section{position:relative;padding:84px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 52px}
.section-head .kicker{display:inline-block;color:var(--blue);font-weight:700;font-size:14px;letter-spacing:3px;margin-bottom:14px}
.section-head h2{font-size:34px;font-weight:800;color:var(--ink);letter-spacing:.5px}
.section-head p{color:var(--ink-2);font-size:16px;margin-top:14px}
.alt{background:var(--bg-deep)}

/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;transition:.25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh-card);border-color:transparent}
.card .ic{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--blue-mist);margin-bottom:20px}
.card .ic svg{width:30px;height:30px}
.card h3{font-size:20px;color:var(--ink);margin-bottom:10px}
.card p{color:var(--ink-2);font-size:14.5px}
.card .more{display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-weight:600;font-size:14px;margin-top:18px}
.card .more svg{width:16px;height:16px;transition:.2s}
.card:hover .more svg{transform:translateX(4px)}

/* 产品线三色 */
.card.qz .ic{background:var(--blue-mist)} .card.qz .ic svg{stroke:var(--navy)}
.card.qr .ic{background:var(--gold-mist)} .card.qr .ic svg{stroke:var(--gold-deep)}
.card.qx .ic{background:var(--jade-mist)} .card.qx .ic svg{stroke:var(--jade)}

/* ---------- 闭环流程 ---------- */
.flow{display:flex;align-items:stretch;gap:0;flex-wrap:wrap;justify-content:center}
.flow-step{flex:1;min-width:200px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px;position:relative;text-align:center}
.flow-step .badge{width:46px;height:46px;border-radius:50%;background:var(--grad-blue);color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.flow-step h4{font-size:17px;color:var(--ink);margin-bottom:8px}
.flow-step p{font-size:13.5px;color:var(--ink-2)}
.flow-arrow{display:flex;align-items:center;justify-content:center;color:var(--blue);font-size:26px;padding:0 10px}
.flow-arrow svg{width:26px;height:26px}

/* ---------- 数据条 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:20px}
.metric{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;text-align:center}
.metric .v{font-size:36px;font-weight:800;background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric .v .u{font-size:18px}
.metric .k{color:var(--ink-2);font-size:14px;margin-top:6px}

/* ---------- 特性列表（图文交错） ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin:64px 0}
.feature:nth-child(even) .feature-art{order:2}
.feature h3{font-size:26px;color:var(--ink);margin-bottom:14px}
.feature p{color:var(--ink-2);font-size:15.5px;margin-bottom:18px}
.feature ul li{display:flex;gap:10px;align-items:flex-start;color:var(--ink-2);font-size:15px;margin:10px 0}
.feature ul li svg{width:20px;height:20px;flex:0 0 20px;stroke:var(--jade);margin-top:3px}
.feature-art{background:var(--grad-hero);border-radius:var(--r-xl);padding:36px;display:flex;align-items:center;justify-content:center;min-height:300px;box-shadow:var(--sh-blue)}
.placeholder-note{font-size:12px;color:var(--ink-3);font-style:italic}
.note-line{text-align:center;margin-top:24px;font-size:13.5px;color:var(--ink-3)}
.note-line a{color:var(--blue);font-weight:600}

/* ---------- 联系方式列表 ---------- */
.contact-list{font-size:15px;line-height:2.1}
.contact-list li{display:flex;gap:14px;align-items:baseline;padding:9px 0;border-bottom:1px dashed var(--line)}
.contact-list li:last-child{border-bottom:0}
.contact-list .k{flex:0 0 76px;color:var(--ink-3);font-size:13.5px}
.contact-list a{color:var(--navy);font-weight:600}
.contact-list a:hover{color:var(--blue)}

/* ---------- 下载页 ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.dl-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;display:flex;gap:24px;align-items:center}
.dl-card .qr{width:120px;height:120px;flex:0 0 120px;border-radius:var(--r-md);background:var(--bg-deep);display:flex;align-items:center;justify-content:center;border:1px solid var(--line)}
.dl-card .qr svg{width:96px;height:96px}
.dl-card h3{font-size:20px;margin-bottom:6px}
.dl-card p{color:var(--ink-2);font-size:14px;margin-bottom:16px}
.dl-card .tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.tag{font-size:12px;background:var(--blue-mist);color:var(--navy);padding:4px 12px;border-radius:var(--r-pill);font-weight:600}

/* ---------- 表单 ---------- */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px;font-weight:500}
.field input,.field textarea,.field select{width:100%;padding:12px 16px;border:1.5px solid var(--line);border-radius:var(--r-sm);font-family:inherit;font-size:15px;color:var(--ink);background:#fff;transition:.2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(10,114,245,.12)}
.field textarea{resize:vertical;min-height:120px}

/* ---------- 页脚 ---------- */
.footer{background:#0a1c38;color:#c5d2e6;padding:64px 0 28px;margin-top:0}
.footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer .brand{color:#fff;margin-bottom:16px}
.footer .brand small{color:#7e93b8}
.footer p.desc{font-size:14px;color:#9fb0cc;max-width:320px}
.footer p.fc{font-size:14px;margin-top:12px}
.footer p.fc a{color:#c5d2e6;font-weight:600;transition:.2s}
.footer p.fc a:hover{color:#fff}
.footer h5{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.5px}
.footer ul li{margin:10px 0}
.footer ul li a{color:#9fb0cc;font-size:14px;transition:.2s}
.footer ul li a:hover{color:#fff}
.footer .bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:#7e93b8}
.footer .bottom a{color:#9fb0cc}

/* ---------- 首页 · 小宜智能体对话面板 ---------- */
.chat-panel{background:#fff;border-radius:var(--r-xl);box-shadow:0 26px 64px rgba(4,22,55,.42);overflow:hidden;display:flex;flex-direction:column;width:100%;max-width:452px;margin-left:auto;height:452px;position:relative;z-index:2}
.chat-head{display:flex;align-items:center;gap:12px;padding:13px 18px;border-bottom:1px solid var(--line);background:#fff;flex:0 0 auto}
.chat-ava{width:40px;height:40px;border-radius:50%;flex:0 0 40px;object-fit:cover;background:var(--blue-mist)}
.chat-id{min-width:0;flex:1 1 auto}
.chat-id strong{display:block;font-size:15px;color:var(--ink);line-height:1.3}
.chat-id span{font-size:12px;color:var(--ink-3);display:inline-flex;align-items:center;gap:5px}
.chat-id span::before{content:"";width:7px;height:7px;border-radius:50%;background:#1FBF75;display:inline-block;box-shadow:0 0 0 3px rgba(31,191,117,.18)}
.chat-body{flex:1 1 auto;overflow-y:auto;padding:16px 18px;background:#f6faff;display:flex;flex-direction:column;gap:11px;scrollbar-width:thin}
.chat-body::-webkit-scrollbar{width:6px}
.chat-body::-webkit-scrollbar-thumb{background:#cfdcec;border-radius:3px}
.msg{max-width:84%;padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.62;white-space:pre-wrap;overflow-wrap:break-word;word-break:break-word}
.msg.bot{background:#fff;border:1px solid var(--line);color:var(--ink);border-top-left-radius:4px;align-self:flex-start}
.msg.me{background:var(--grad-blue);color:#fff;border-top-right-radius:4px;align-self:flex-end;box-shadow:0 6px 16px rgba(10,114,245,.22)}
.msg.err{background:#fff5f5;border-color:#f3cfcf;color:#b83b3b}
.chat-chips{display:flex;flex-wrap:wrap;gap:8px;padding:0 18px 13px;background:#f6faff;flex:0 0 auto}
.chat-chip{border:1px solid var(--line);background:#fff;color:var(--navy);font-size:12.5px;padding:6px 12px;border-radius:var(--r-pill);cursor:pointer;transition:.18s;font-family:inherit;line-height:1.5}
.chat-chip:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-mist)}
.chat-foot{display:flex;gap:10px;padding:12px 14px;border-top:1px solid var(--line);background:#fff;flex:0 0 auto}
.chat-foot input{flex:1 1 auto;min-width:0;border:1px solid var(--line);border-radius:var(--r-pill);padding:10px 16px;font-size:14px;font-family:inherit;outline:none;transition:.18s;color:var(--ink);background:#fff}
.chat-foot input::placeholder{color:var(--ink-3)}
.chat-foot input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(10,114,245,.12)}
.chat-send{flex:0 0 auto;border:none;background:var(--grad-blue);color:#fff;border-radius:var(--r-pill);padding:10px 20px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;transition:.18s;white-space:nowrap}
.chat-send:hover{box-shadow:0 8px 20px rgba(10,114,245,.32)}
.chat-send:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}
/* 底部通栏横幅 — 整条可点，跳完整对话 */
.chat-banner{position:relative;flex:0 0 auto;display:flex;align-items:center;gap:12px;padding:12px 18px;background:linear-gradient(115deg,#0a72f5,#0b4fa8 92%);color:#fff;text-decoration:none;transition:.2s}
.chat-banner::before{content:"";position:absolute;inset:0;background:radial-gradient(120px 60px at 88% 0%,rgba(200,160,74,.42),transparent 70%);opacity:.9;pointer-events:none}
.chat-banner-txt{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:2px;position:relative}
.chat-banner-txt b{font-size:13.5px;font-weight:700;letter-spacing:.2px;color:#fff}
.chat-banner-txt i{font-style:normal;font-size:11.5px;color:rgba(255,255,255,.82)}
.chat-banner-go{flex:0 0 auto;display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:700;color:#0b4fa8;background:#fff;border-radius:var(--r-pill);padding:7px 13px;white-space:nowrap;position:relative;transition:.2s}
.chat-banner-go svg{width:14px;height:14px;display:block;transition:transform .2s}
.chat-banner:hover .chat-banner-go svg{transform:translateX(3px)}
.chat-banner:hover{filter:brightness(1.06)}
.typing{display:inline-flex;gap:4px;align-items:center;padding:3px 2px}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--ink-3);animation:tdot 1.2s infinite}
.typing i:nth-child(2){animation-delay:.18s}
.typing i:nth-child(3){animation-delay:.36s}
@keyframes tdot{0%,60%,100%{opacity:.25;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}

/* ---------- 响应式 ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-art{display:block}
  .chat-panel{max-width:100%;margin:0 auto;height:420px}
  .chat-banner-txt i{display:none}
  .chat-banner{padding:11px 16px}
  .hero h1{font-size:36px}
  .grid-3{grid-template-columns:1fr 1fr}
  .metrics{grid-template-columns:1fr 1fr}
  .feature{grid-template-columns:1fr;gap:28px}
  .feature:nth-child(even) .feature-art{order:0}
  .dl-grid{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .nav-links{position:fixed;top:var(--nav-h);left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:8px 0;box-shadow:0 12px 30px rgba(20,40,80,.12);transform:translateY(-130%);transition:.3s;z-index:99}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 24px;width:100%;border-bottom:1px solid var(--line-soft)}
  .nav-links a.active::after{display:none}
  .menu-toggle{display:flex}
  .nav-cta .btn-line{display:none}
  /* 窄屏：BOSS 按钮收成短文案，避免撑破导航 */
  .boss-btn{padding:9px 14px;font-size:13px}
  .boss-btn .boss-lg{display:none}
  .boss-btn .boss-sm{display:inline}
  .boss-btn::before{width:14px;height:14px;flex:0 0 14px}
  .grid-3,.grid-2,.dl-grid,.form-row,.metrics{grid-template-columns:1fr}
  .hero h1{font-size:30px}
  .section-head h2{font-size:26px}
  section{padding:56px 0}
  .flow{flex-direction:column}
  .flow-arrow{transform:rotate(90deg);padding:8px 0}
  .hero-stats{gap:20px}
}