:root{--primary:#2b5ce6;--primary-hover:#1e46bf;--tint:#eef4ff;--ink:#0f1526;--text:#1b2233;--text-2:#59637a;--caption:#6b7590;--alt:#f5f7fa;--border:#e4e7ee;--border-light:#eef0f4;--wa:#25d366;--tg:#2aabee;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Segoe UI",sans-serif;color:var(--text);background:#fff;font-size:15px;-webkit-font-smoothing:antialiased;scroll-behavior:smooth}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid #9bb7ff;outline-offset:3px;border-radius:6px}svg{flex-shrink:0}h1,h2,h3,h4,p,ul,ol{margin:0}ul,ol{padding:0;list-style:none}
.shell{width:min(1160px,calc(100% - 48px));margin-inline:auto}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--primary)}
.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:10px;font-weight:700;white-space:nowrap;transition:background .15s,border-color .15s,color .15s}.button svg{width:20px;height:20px}.primary{background:var(--primary);color:#fff}.primary:hover{background:var(--primary-hover)}.ghost{border:1px solid #d9dee8;background:#fff;color:var(--text)}.ghost:hover{border-color:var(--primary);color:var(--primary)}.large{height:52px;padding:0 28px;font-size:16px}
/* 顶栏 */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-light)}.nav{height:64px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.01em}.brand img{border-radius:9px}.nav-menu{display:flex;align-items:center;gap:26px;flex:1;font-size:14.5px;font-weight:500;color:var(--text-2)}.nav-menu>a:hover{color:var(--primary)}.nav-gap{flex:1}.nav-login{color:var(--text);font-weight:600}.nav-cta{height:38px;padding:0 18px;font-size:14px}.nav-toggle{display:none;margin-left:auto;width:40px;height:40px;border:0;background:none;flex-direction:column;justify-content:center;gap:5px;align-items:center}.nav-toggle span{width:20px;height:2px;background:var(--text);border-radius:2px}
/* 首屏 */
.hero{padding:88px 0 0;text-align:center;background:radial-gradient(60% 50% at 50% 0%,#eef4ff 0%,#fff 70%)}.hero-inner{display:flex;flex-direction:column;align-items:center}.hero h1{font-size:56px;line-height:1.2;font-weight:800;letter-spacing:-.025em;margin-top:18px}.br-mobile{display:none}.lead{margin-top:20px;font-size:17px;line-height:1.8;color:var(--text-2);max-width:680px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:32px}.hero-note{margin-top:16px;font-size:13px;color:var(--caption)}.hero-note a{color:var(--primary);font-weight:600}
.hero-visual{margin-top:56px;width:100%;max-width:1060px}.app{display:grid;grid-template-columns:220px minmax(0,1fr) 250px;min-height:420px;background:#fff;border:1px solid var(--border);border-radius:18px 18px 0 0;box-shadow:0 30px 80px rgba(15,21,38,.14);overflow:hidden;text-align:left;font-size:13px}.app-side{background:#f7f8fb;border-right:1px solid var(--border-light);padding:16px 12px}.app-side-title{font-size:11px;color:var(--caption);font-weight:700;letter-spacing:.06em;padding:0 8px 10px}.app-account{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:8px;color:var(--text-2)}.app-account.is-on{background:#fff;color:var(--text);font-weight:600;box-shadow:0 1px 3px rgba(15,21,38,.08)}.app-account em{margin-left:auto;font-style:normal;font-size:11px;background:var(--tint);color:var(--primary);padding:1px 7px;border-radius:10px;font-weight:700}.dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.dot.wa{background:var(--wa)}.dot.tg{background:var(--tg)}
.app-chat{display:flex;flex-direction:column;padding:16px 20px;gap:10px;background:#fff}.app-chat-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:12px;border-bottom:1px solid var(--border-light);margin-bottom:4px}.app-chat-head span{font-size:12px;color:var(--caption)}.msg{max-width:78%;border-radius:12px;padding:10px 12px;line-height:1.55}.msg p{font-size:13.5px}.msg .tr{display:flex;gap:6px;align-items:baseline;margin-top:6px;padding-top:6px;border-top:1px dashed rgba(0,0,0,.1);font-size:12.5px;color:var(--text-2)}.msg .tr i{font-style:normal;font-size:10px;border:1px solid #b7bfce;border-radius:3px;padding:0 3px;color:var(--caption);flex-shrink:0}.msg.in{background:#f2f4f8;align-self:flex-start;border-bottom-left-radius:4px}.msg.out{background:#e8eeff;align-self:flex-end;border-bottom-right-radius:4px}.msg.out .tr{color:#3c5bb0}.app-input{margin-top:auto;display:flex;align-items:center;justify-content:space-between;border:1px solid var(--border);border-radius:10px;padding:10px 12px;color:var(--caption)}.app-input b{color:#fff;background:var(--primary);padding:5px 14px;border-radius:7px;font-size:12px}
.app-panel{border-left:1px solid var(--border-light);padding:16px;background:#fff}.app-tabs{display:flex;gap:14px;font-size:12.5px;color:var(--caption);border-bottom:1px solid var(--border-light);margin-bottom:12px}.app-tabs span{padding-bottom:8px}.app-tabs .is-on{color:var(--primary);font-weight:700;border-bottom:2px solid var(--primary);margin-bottom:-1px}.app-row{display:flex;justify-content:space-between;gap:8px;padding:9px 0;border-bottom:1px solid var(--border-light);font-size:12.5px;color:var(--caption)}.app-row b{color:var(--text);font-weight:600;text-align:right}.app-tag-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px}.app-tag-row i,.tag,.quick i{font-style:normal;font-size:11.5px;background:var(--tint);color:#2148b8;padding:3px 9px;border-radius:6px;font-weight:600}
/* 数据条 */
.facts{border-top:1px solid var(--border-light);border-bottom:1px solid var(--border-light);background:#fff}.facts-inner{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:36px 0}.facts-inner>div{display:flex;flex-direction:column;gap:6px;padding-left:20px;border-left:2px solid var(--tint)}.facts-inner b{font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--primary)}.facts-inner span{font-size:13.5px;line-height:1.6;color:var(--text-2)}
/* 功能分节 */
.feature{padding:96px 0}.feature.alt{background:var(--alt)}.feature-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:center}.feature-inner.reverse .feature-copy{order:2}.feature h2,.section-head h2,.cta h2{font-size:34px;line-height:1.3;font-weight:800;letter-spacing:-.02em;margin-top:12px}.points{margin-top:28px;display:grid;gap:18px}.points li{position:relative;padding-left:30px;font-size:15px;line-height:1.75;color:var(--text-2)}.points li::before{content:"";position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:50%;background:var(--tint);box-shadow:inset 0 0 0 5px var(--tint),inset 0 0 0 8px var(--primary)}.points b{display:block;color:var(--text);font-size:16px;font-weight:700;margin-bottom:2px}
.feature-visual{min-width:0}.panel{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:0 20px 50px rgba(15,21,38,.1);display:flex;flex-direction:column;gap:12px;font-size:13px}.panel-head{display:flex;justify-content:space-between;align-items:center;font-weight:700;padding-bottom:10px;border-bottom:1px solid var(--border-light)}.panel-head em{font-style:normal;font-weight:500;font-size:12px;color:var(--caption)}.quick{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:6px;padding-top:12px;border-top:1px solid var(--border-light);font-size:12px;color:var(--caption)}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:4px;box-shadow:0 12px 30px rgba(15,21,38,.06)}.card b{font-size:15px;margin-top:8px}.card span{font-size:12.5px;color:var(--caption)}.card em{font-style:normal;font-size:12px;color:var(--text-2);background:var(--alt);padding:3px 8px;border-radius:6px;align-self:flex-start;margin-top:8px}
.crm-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.crm-head b{font-size:16px;margin-right:4px}.crm-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 16px}.crm-grid>div{display:flex;flex-direction:column;gap:3px}.crm-grid span{font-size:11.5px;color:var(--caption)}.crm-grid b{font-weight:600}.crm-todo{display:flex;align-items:center;gap:10px;background:#fff8e9;border:1px solid #f6d6a6;border-radius:10px;padding:10px 12px}.crm-todo span{font-size:11.5px;color:#9a5400;font-weight:700}.crm-todo em{font-style:normal;margin-left:auto;font-size:12px;color:var(--caption)}.crm-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;border-top:1px solid var(--border-light);padding-top:12px}.crm-stats>div{display:flex;flex-direction:column;gap:2px}.crm-stats b{font-size:20px;font-weight:800;color:var(--primary)}.crm-stats span{font-size:11.5px;color:var(--caption)}
/* 团队 */
.team{padding:96px 0;background:var(--alt)}.section-head{text-align:center;max-width:720px;margin:0 auto}.section-lead{margin-top:14px;font-size:15.5px;line-height:1.8;color:var(--text-2)}.team-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:44px}.team-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:26px 24px}.team-card .icon{width:44px;height:44px;border-radius:12px;background:var(--tint);color:var(--primary);display:grid;place-items:center}.team-card .icon svg{width:22px;height:22px}.team-card h3{font-size:17px;font-weight:700;margin-top:18px}.team-card p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-2)}
.steps-section{padding:88px 0}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:40px}.steps li{padding:26px;border:1px solid var(--border);border-radius:16px;background:#fff}.steps span{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--primary);color:#fff;font-weight:800}.steps h3{font-size:17px;font-weight:700;margin-top:16px}.steps p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-2)}
.cta{padding:0 0 96px}.cta-inner{background:var(--ink);color:#fff;border-radius:22px;padding:56px 64px;display:flex;align-items:center;justify-content:space-between;gap:32px}.cta h2{margin:0}.cta p{margin-top:10px;color:#aeb7c8;font-size:15px;line-height:1.7}.cta .hero-actions{margin:0;justify-content:flex-end}.cta .ghost{background:transparent;border-color:rgba(255,255,255,.3);color:#fff}.cta .ghost:hover{border-color:#fff}.cta .primary{background:#fff;color:var(--ink)}.cta .primary:hover{background:#eef2ff}
.footer{background:#fff;border-top:1px solid var(--border-light);padding:52px 0 32px}.footer-inner{display:grid;grid-template-columns:1.4fr repeat(3,minmax(0,1fr));gap:32px}.footer-brand p{margin-top:12px;font-size:13.5px;color:var(--caption)}.footer-col{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-2)}.footer-col h4{font-size:13px;font-weight:700;color:var(--text);margin-bottom:4px}.footer-col a:hover{color:var(--primary)}.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--border-light);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--caption)}
@media(max-width:1000px){.hero h1{font-size:44px}.app{grid-template-columns:200px minmax(0,1fr)}.app-panel{display:none}.facts-inner{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-inner{grid-template-columns:1fr;gap:36px}.feature-inner.reverse .feature-copy{order:0}.team-grid,.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.cta-inner{flex-direction:column;align-items:flex-start;padding:40px}.cta .hero-actions{justify-content:flex-start}.footer-inner{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.shell{width:calc(100% - 32px)}.nav-toggle{display:flex}.nav-menu{display:none;position:absolute;left:0;right:0;top:64px;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--border);padding:8px 16px 16px}.nav-menu.is-open{display:flex}.nav-menu>a{padding:12px 4px;border-bottom:1px solid var(--border-light)}.nav-gap{display:none}.nav-cta{margin-top:12px;justify-content:center}.hero{padding-top:52px}.hero h1{font-size:34px}.br-mobile{display:block}.lead{font-size:15px}.hero-actions{flex-direction:column;width:100%}.hero-actions .button{width:100%}.hero-visual{margin-top:36px}.app{grid-template-columns:1fr;min-height:0}.app-side{display:none}.facts-inner{grid-template-columns:1fr;gap:18px;padding:28px 0}.feature{padding:60px 0}.feature h2,.section-head h2,.cta h2{font-size:26px}.cards{grid-template-columns:1fr}.team,.steps-section{padding:60px 0}.team-grid,.steps{grid-template-columns:1fr}.cta{padding-bottom:60px}.cta-inner{padding:32px 24px;border-radius:16px}.footer-inner{grid-template-columns:1fr;gap:24px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*{transition:none!important}}