:root{
  --bg:#f5f6fb;
  --bg-soft:#eef0f8;
  --card:#ffffff;
  --ink:#1c2030;
  --ink-soft:#5b6172;
  --line:#e6e8f0;
  --primary:#5b5bf0;
  --primary-d:#4343d6;
  --accent:#ff7a59;
  --gold:#e0a93b;
  --green:#1faa6b;
  --red:#e5484d;
  --shadow:0 8px 30px rgba(40,44,80,.08);
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:linear-gradient(160deg,#f3f4ff 0%,#eef1fb 40%,#f7f4ff 100%);
  color:var(--ink);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
.hidden{display:none !important}

/* 顶栏 */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 28px;background:rgba(255,255,255,.8);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:20;
}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#8a6bff);color:#fff;font-size:22px;font-weight:700;
  box-shadow:0 6px 16px rgba(91,91,240,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:17px;letter-spacing:.5px}
.brand-text small{color:var(--ink-soft);font-size:12px}
.topbar-right{display:flex;align-items:center;gap:12px}
.role-chip{
  display:flex;align-items:center;gap:8px;background:var(--bg-soft);
  border:1px solid var(--line);padding:7px 14px;border-radius:999px;font-size:13px;color:var(--ink-soft);
}
.role-chip b{color:var(--ink)}
.switch-role{font-size:13px;color:var(--primary);cursor:pointer;background:none;border:none}

/* 按钮 */
.btn{
  border:none;border-radius:12px;padding:11px 20px;font-size:14px;font-weight:600;
  cursor:pointer;transition:transform .08s ease,box-shadow .2s ease,background .2s;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(135deg,var(--primary),#7a6bff);color:#fff;box-shadow:0 8px 20px rgba(91,91,240,.3)}
.btn-ghost{background:#fff;color:var(--primary);border:1px solid var(--primary)}
.btn-danger{background:#fff;color:var(--red);border:1px solid var(--red)}
.btn-small{padding:7px 13px;font-size:13px;border-radius:10px}

/* 落地页 */
.landing{max-width:1080px;margin:0 auto;padding:40px 24px 80px}
.hero{
  text-align:center;padding:48px 24px;background:var(--card);border-radius:24px;
  box-shadow:var(--shadow);border:1px solid var(--line);
}
.hero h1{font-size:34px;line-height:1.4;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:18px}
.hero-sub{max-width:680px;margin:0 auto 26px;color:var(--ink-soft);font-size:16px;line-height:1.7}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;justify-content:center;margin-top:36px}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats b{font-size:26px;color:var(--primary)}
.hero-stats span{font-size:13px;color:var(--ink-soft);margin-top:4px}

.how{max-width:1080px;margin:56px auto 0}
.how h2,.why h2{text-align:center;font-size:24px;margin-bottom:28px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.step-no{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),#8a6bff);color:#fff;display:grid;place-items:center;font-weight:700;margin-bottom:12px}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:13px;color:var(--ink-soft);line-height:1.6}
.why{max-width:820px;margin:56px auto 0}
.why ul{list-style:none;display:flex;flex-direction:column;gap:14px}
.why li{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px;font-size:15px;line-height:1.6;box-shadow:var(--shadow)}

/* 工作台 */
.workspace{max-width:1080px;margin:0 auto;padding:28px 24px 80px}
.section-title{font-size:19px;margin:30px 0 16px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);margin-bottom:20px}
.wallet-card{display:flex;align-items:center;gap:16px}
.wallet-label{color:var(--ink-soft);font-size:14px}
.wallet-amount{font-size:30px;font-weight:700;color:var(--ink);margin-left:auto}
.wallet-card.human .wallet-amount{color:var(--green)}
.wallet-meta{display:flex;gap:24px;margin-top:14px;font-size:13px;color:var(--ink-soft)}
.wallet-meta b{color:var(--ink)}

/* 市场卡片 */
.market-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.human-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:transform .12s,box-shadow .2s}
.human-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(40,44,80,.14)}
.hc-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.hc-avatar{width:48px;height:48px;border-radius:14px;background:var(--bg-soft);display:grid;place-items:center;font-size:26px}
.hc-name{font-size:16px;font-weight:600}
.hc-online{font-size:12px;color:var(--green)}
.hc-online.off{color:var(--ink-soft)}
.hc-rate{margin-left:auto;text-align:right}
.hc-rate b{font-size:18px;color:var(--accent)}
.hc-rate small{display:block;color:var(--ink-soft);font-size:11px}
.hc-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.tag{font-size:12px;background:var(--bg-soft);color:var(--primary);padding:3px 9px;border-radius:999px;border:1px solid var(--line)}
.hc-bio{font-size:13px;color:var(--ink-soft);line-height:1.6;min-height:38px;margin-bottom:14px}
.hc-foot{display:flex;align-items:center;justify-content:space-between}
.hc-rating{font-size:13px;color:var(--gold)}

/* 交易记录 */
.tx-list{display:flex;flex-direction:column;gap:10px}
.tx{display:flex;align-items:center;gap:12px;background:var(--bg-soft);border-radius:12px;padding:12px 14px;font-size:14px}
.tx .tx-ico{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:16px;background:#fff;border:1px solid var(--line)}
.tx .tx-main{flex:1}
.tx .tx-main small{display:block;color:var(--ink-soft);font-size:12px}
.tx .tx-amt{font-weight:700}
.tx .tx-amt.plus{color:var(--green)}
.tx .tx-amt.minus{color:var(--red)}
.empty{color:var(--ink-soft);font-size:14px;text-align:center;padding:18px}

/* 表单 */
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.form-row input,.form-row textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;padding:11px 14px;font-size:14px;
  font-family:inherit;background:#fff;color:var(--ink);resize:vertical;
}
.form-row input:focus,.form-row textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(91,91,240,.12)}
.form-row small{display:block;color:var(--ink-soft);font-size:12px;margin-top:6px}
.emoji-pick,.tag-pick{display:flex;flex-wrap:wrap;gap:8px}
.emoji-opt,.tag-opt{
  cursor:pointer;border:1px solid var(--line);background:#fff;border-radius:12px;
  padding:8px 12px;font-size:18px;transition:.15s;
}
.tag-opt{font-size:13px}
.emoji-opt.sel,.tag-opt.sel{border-color:var(--primary);background:rgba(91,91,240,.1);box-shadow:0 0 0 2px rgba(91,91,240,.2)}

/* 接单台 */
.dash-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.dash-head h2{margin:0;font-size:19px}
.hint{font-size:13px;color:var(--ink-soft);margin-bottom:14px}
.online-dot{color:var(--green)}

/* 弹层会话 */
.modal{position:fixed;inset:0;background:rgba(20,22,36,.45);display:grid;place-items:center;z-index:50;padding:20px}
.modal-inner{width:min(640px,100%);height:min(78vh,720px);background:#fff;border-radius:20px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.3)}
.session-head{display:flex;align-items:center;gap:14px;padding:16px 20px;border-bottom:1px solid var(--line);background:var(--bg-soft)}
.peer-info{display:flex;align-items:center;gap:10px}
.peer-avatar{width:40px;height:40px;border-radius:12px;background:#fff;display:grid;place-items:center;font-size:22px;border:1px solid var(--line)}
.peer-info strong{font-size:15px}
.peer-info small{display:block;color:var(--green);font-size:12px}
.billing{margin-left:auto;display:flex;flex-direction:column;align-items:flex-end;line-height:1.3}
.billing-rate{font-size:12px;color:var(--ink-soft)}
.billing-time{font-size:18px;font-weight:700;font-variant-numeric:tabular-nums}
.billing-cost{font-size:14px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}

.chat{flex:1;overflow-y:auto;padding:18px 20px;display:flex;flex-direction:column;gap:12px;background:#fafbff}
.msg{display:flex;gap:8px;max-width:80%}
.msg .bubble{padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.55}
.msg.me{margin-left:auto;flex-direction:row-reverse}
.msg.me .bubble{background:linear-gradient(135deg,var(--primary),#7a6bff);color:#fff;border-bottom-right-radius:4px}
.msg.them .bubble{background:#fff;border:1px solid var(--line);color:var(--ink);border-bottom-left-radius:4px}
.msg .m-av{width:32px;height:32px;border-radius:10px;background:var(--bg-soft);display:grid;place-items:center;font-size:17px;flex-shrink:0}
.msg.me .m-av{background:linear-gradient(135deg,var(--primary),#7a6bff);color:#fff}
.sys{text-align:center;font-size:12px;color:var(--ink-soft);margin:4px 0}

.chat-input{display:flex;gap:10px;padding:14px 18px;border-top:1px solid var(--line);background:#fff}
.chat-input input{flex:1;border:1px solid var(--line);border-radius:12px;padding:11px 14px;font-size:14px;font-family:inherit}
.chat-input input:focus{outline:none;border-color:var(--primary)}

/* toast */
.toast{position:fixed;left:50%;bottom:36px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 22px;border-radius:12px;font-size:14px;box-shadow:0 10px 30px rgba(0,0,0,.25);z-index:80;animation:pop .25s ease}
@keyframes pop{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}

@media(max-width:860px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .market-grid{grid-template-columns:repeat(2,1fr)}
  .hero-stats{gap:24px}
  .hero h1{font-size:26px}
}
@media(max-width:560px){
  .market-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
}

/* ============ 多页站点：导航 / 页脚 / 营销区块 ============ */
a.btn{text-decoration:none;display:inline-block}

/* 站点导航 */
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1080px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:18px}
.nav-links{display:flex;gap:6px;margin-left:auto}
.nav-links a{color:var(--ink-soft);text-decoration:none;font-size:14px;padding:8px 12px;border-radius:10px;transition:.15s}
.nav-links a:hover{color:var(--primary);background:var(--bg-soft)}
.nav-links a.active{color:var(--primary);font-weight:600;background:rgba(91,91,240,.1)}
.nav-cta{margin-left:8px}

/* 营销 Hero（覆盖 demo 用 .hero 卡片样式） */
.hero.home-hero,.hero.sub-hero{
  position:relative;overflow:hidden;max-width:none;margin:0;padding:0;border:none;border-radius:0;box-shadow:none;text-align:center;
  background:linear-gradient(135deg,var(--primary),#8a6bff);color:#fff;
}
.hero-bg{position:absolute;inset:0}
.hero-bg::before,.hero-bg::after{content:"";position:absolute;border-radius:50%;filter:blur(10px);opacity:.35}
.hero-bg::before{width:420px;height:420px;background:#fff;top:-160px;right:-120px}
.hero-bg::after{width:320px;height:320px;background:#ffd9c2;bottom:-140px;left:-100px}
.hero-bg.ai{background:linear-gradient(135deg,#4343d6,#7a6bff)}
.hero-bg.human{background:linear-gradient(135deg,#ff7a59,#ff9a6b)}
.hero-inner{position:relative;z-index:1;max-width:880px;margin:0 auto;padding:92px 24px 76px}
.hero.home-hero .hero-inner,.hero.sub-hero .hero-inner{padding:92px 24px 76px}
.hero.slim .hero-inner{padding:64px 24px 52px}
.pill{display:inline-block;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3);color:#fff;font-size:13px;padding:6px 14px;border-radius:999px;margin-bottom:18px}
.hero.home-hero h1,.hero.sub-hero h1{
  font-size:40px;line-height:1.35;color:#fff;background:none;-webkit-text-fill-color:#fff;margin-bottom:18px;
}
.hero.home-hero .hero-sub,.hero.sub-hero .hero-sub{color:rgba(255,255,255,.92);max-width:680px;margin:0 auto 26px;font-size:16px;line-height:1.75}
.hero.home-hero .hero-stats,.hero.sub-hero .hero-stats{color:#fff;margin-top:34px}
.hero.home-hero .hero-stats b,.hero.sub-hero .hero-stats b{color:#fff}
.hero.home-hero .hero-stats span,.hero.sub-hero .hero-stats span{color:rgba(255,255,255,.85)}

/* 顶部区块容器限宽 */
main > section.band,main > section.steps-sec,main > section.final-cta,main > section.two-side,
main > section.feature-grid,main > section.flow,main > section.faq-sec,main > section.commission,
main > section.contact-sec{max-width:1080px;margin:0 auto;padding:56px 24px}

/* 双身份卡片 */
.two-side{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.side-card{display:block;text-decoration:none;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:.15s}
.side-card:hover{transform:translateY(-3px);box-shadow:0 16px 38px rgba(40,44,80,.14)}
.side-ico{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:30px;margin-bottom:14px}
.side-card.ai .side-ico{background:rgba(91,91,240,.12)}
.side-card.human .side-ico{background:rgba(255,122,89,.14)}
.side-card h3{font-size:19px;margin-bottom:10px}
.side-card p{color:var(--ink-soft);font-size:14px;line-height:1.7;margin-bottom:14px}
.side-link{color:var(--primary);font-size:14px;font-weight:600}

/* 通用 band / 标题 */
.band h2,.steps-sec h2,.faq-sec h2,.contact-sec h2{font-size:26px;margin-bottom:18px;text-align:center}
.band-lead{max-width:760px;margin:0 auto;color:var(--ink-soft);font-size:16px;line-height:1.8}
.band-lead.small{font-size:13px;margin-top:14px}
.band.alt{background:var(--bg-soft);border-radius:var(--radius)}
.formula{font-size:20px;font-weight:700;color:var(--primary);text-align:center;margin-bottom:14px}

/* 三栏概念 */
.tri{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.tri-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:center;box-shadow:var(--shadow)}
.tri-item span{font-size:34px}
.tri-item h4{font-size:16px;margin:10px 0 8px}
.tri-item p{font-size:13px;color:var(--ink-soft);line-height:1.6}

/* 步骤（营销页复用 .steps） */
.steps-sec .steps{margin-top:8px}
.center-cta{text-align:center;margin-top:28px}

/* 最终 CTA */
.final-cta{text-align:center}
.final-cta h2{font-size:28px;margin-bottom:12px}
.final-cta p{color:var(--ink-soft);margin-bottom:22px}

/* 特性网格 */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.f-ico{font-size:30px;margin-bottom:12px}
.feature h3{font-size:17px;margin-bottom:8px}
.feature p{font-size:13px;color:var(--ink-soft);line-height:1.65}

/* 流程 */
.flow{display:flex;flex-direction:column;gap:18px;margin-top:10px}
.flow-item{display:flex;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow)}
.flow-no{font-size:26px;font-weight:800;color:var(--primary);min-width:48px}
.flow-body h3{font-size:18px;margin-bottom:6px}
.flow-body p{color:var(--ink-soft);font-size:14px;line-height:1.7}

/* FAQ */
.faq{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:4px 18px;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;font-weight:600;font-size:15px;padding:14px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"＋ ";color:var(--primary)}
.faq details[open] summary::before{content:"－ "}
.faq p{padding:0 0 14px;color:var(--ink-soft);font-size:14px;line-height:1.7}
.faq a{color:var(--primary)}

/* 佣金 / 定价 */
.commission{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.commission-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;text-align:center;box-shadow:var(--shadow)}
.commission-card.alt{background:linear-gradient(135deg,#eafaf1,#fff);border-color:#bfe9d2}
.commission-card h3{font-size:16px;color:var(--ink-soft);margin-bottom:8px}
.big{font-size:52px;font-weight:800;color:var(--primary);line-height:1}
.big.green{color:var(--green)}
.commission-card p{color:var(--ink-soft);font-size:14px;line-height:1.7;margin-top:10px}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.tier{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}
.tier h4{font-size:16px;color:var(--primary);margin-bottom:8px}
.tier p{font-size:13px;color:var(--ink-soft);line-height:1.6}
.calc{display:flex;flex-direction:column;gap:10px;max-width:560px;margin:20px auto 0}
.calc-row{display:flex;justify-content:space-between;background:var(--bg-soft);border-radius:12px;padding:14px 18px;font-size:15px}
.calc-row b{color:var(--green)}

/* 规则列表 */
.rules{list-style:none;display:flex;flex-direction:column;gap:12px;max-width:780px;margin:18px auto 0}
.rules li{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;font-size:14px;line-height:1.6}
.rules b{color:var(--ink)}

/* 联系 */
.contact-card{display:flex;flex-wrap:wrap;gap:18px;justify-content:center;margin-top:20px}
.contact-card div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 26px;text-align:center;box-shadow:var(--shadow)}
.contact-card span{display:block;color:var(--ink-soft);font-size:13px;margin-bottom:6px}
.contact-card b{font-size:16px}

/* 页脚 */
.site-footer{background:#15172a;color:#c9cce0;margin-top:40px}
.footer-inner{max-width:1080px;margin:0 auto;padding:48px 24px 28px;display:flex;gap:40px;flex-wrap:wrap;justify-content:space-between}
.footer-brand{max-width:320px}
.footer-brand .brand{color:#fff}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text small{color:#9aa0c0}
.footer-desc{margin-top:14px;font-size:13px;line-height:1.7;color:#9aa0c0}
.footer-cols{display:flex;gap:48px;flex-wrap:wrap}
.footer-cols h5{color:#fff;font-size:14px;margin-bottom:12px}
.footer-cols a{display:block;color:#9aa0c0;text-decoration:none;font-size:13px;margin-bottom:8px}
.footer-cols a:hover{color:#fff}
.footer-bottom{max-width:1080px;margin:0 auto;padding:16px 24px 28px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:#7e84a8}

@media(max-width:860px){
  .two-side,.feature-grid,.commission,.tiers{grid-template-columns:1fr 1fr}
  .tri{grid-template-columns:1fr}
  .hero.home-hero h1,.hero.sub-hero h1{font-size:30px}
}
@media(max-width:560px){
  .two-side,.feature-grid,.commission,.tiers{grid-template-columns:1fr}
  .nav-links{display:none}
}