*{margin:0;padding:0;box-sizing:border-box}
:root{--brand:#FF6B00;--brand-dark:#e85f00;--dark:#2C3E50;--green:#00A86B;--bg:#F8F9FA;--white:#fff;--muted:#6b7a8c;--line:#eef1f5;--shadow:0 2px 12px rgba(0,0,0,.08);--shadow-lg:0 12px 40px rgba(44,62,80,.12)}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;color:var(--dark);background:var(--bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-tag{display:inline-block;color:var(--brand);font-weight:700;font-size:14px;letter-spacing:2px;margin-bottom:12px}
.section-title{font-size:32px;line-height:1.3;font-weight:800;margin-bottom:14px}
.section-sub{color:var(--muted);font-size:17px;max-width:680px}
.center{text-align:center}
.center .section-sub{margin-left:auto;margin-right:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:8px;font-size:16px;font-weight:700;cursor:pointer;border:2px solid transparent;transition:.25s;line-height:1}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 22px rgba(255,107,0,.32)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.btn-outline{border-color:var(--dark);color:var(--dark);background:transparent}
.btn-outline:hover{background:var(--dark);color:#fff}
.btn-light{border-color:#fff;color:#fff;background:transparent}
.btn-light:hover{background:#fff;color:var(--brand)}
.btn-lg{padding:16px 40px;font-size:18px}
.btn-block{width:100%}
.topbar{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px}
.logo img{height:34px;width:34px}
.logo .badge{font-size:12px;font-weight:600;color:var(--brand);background:#fff2e8;border:1px solid #ffd8bd;padding:2px 8px;border-radius:20px;margin-left:2px}
.nav{display:flex;align-items:center;gap:28px}
.nav a{font-size:15px;font-weight:600;color:var(--dark);position:relative;padding:4px 0}
.nav a:hover,.nav a.active{color:var(--brand)}
.nav a.active::after{content:"";position:absolute;left:0;bottom:-4px;width:100%;height:2px;background:var(--brand);border-radius:2px}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;background:none;border:none;font-size:26px;color:var(--dark);cursor:pointer}
.hero{position:relative;background:linear-gradient(135deg,#fff7f0 0%,#fff 55%,#f4f9f7 100%);overflow:hidden;padding:84px 0}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:46px;line-height:1.22;font-weight:900;margin-bottom:20px;letter-spacing:.5px}
.hero h1 .accent{color:var(--brand)}
.hero p.sub{font-size:19px;color:#44546a;margin-bottom:28px;max-width:560px}
.hero .sub strong{color:var(--green)}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.hero-badges span{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:8px 16px;border-radius:30px;font-size:14px;font-weight:600}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-cta .btn{padding:15px 34px}
.mockup{position:relative}
.mockup-window{background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden;border:1px solid #e8edf3}
.mockup-title{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#f7f9fb;border-bottom:1px solid var(--line)}
.mockup-title .dot{width:12px;height:12px;border-radius:50%}
.mockup-title .dot.r{background:#ff5f57}.mockup-title .dot.y{background:#febc2e}.mockup-title .dot.g{background:#28c840}
.mockup-title .t{margin-left:8px;font-size:13px;font-weight:600;color:#5b6b7c;display:flex;align-items:center;gap:6px}
.mockup-title .t img{height:16px;width:16px}
.dock-tag{margin-left:auto;background:#e6f7ef;color:var(--green);font-size:12px;font-weight:700;padding:3px 10px;border-radius:20px}
.mockup-body{display:grid;grid-template-columns:1fr 1.1fr;gap:0;min-height:380px}
.chat-panel{background:#f0f2f5;padding:16px;display:flex;flex-direction:column;gap:10px}
.chat-head{font-size:13px;font-weight:700;color:#333;display:flex;align-items:center;gap:8px;background:#fff;padding:8px 12px;border-radius:8px}
.chat-head .avatar{width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px}
.chat-msg{max-width:85%;padding:9px 12px;font-size:13px;line-height:1.5;border-radius:10px;box-shadow:0 1px 2px rgba(0,0,0,.06)}
.chat-msg.customer{align-self:flex-start;background:#fff;border-top-left-radius:2px}
.chat-msg.reply{align-self:flex-end;background:#b3e19b;border-top-right-radius:2px}
.chat-msg .who{font-size:11px;color:#888;margin-bottom:2px}
.reply-panel{background:#fff;border-left:1px solid var(--line);padding:14px;display:flex;flex-direction:column;gap:10px}
.reply-search{display:flex;align-items:center;gap:8px;background:#f4f6f8;border-radius:8px;padding:8px 12px;font-size:13px;color:#97a3b0}
.reply-search input{border:none;background:none;outline:none;font-size:13px;width:100%}
.reply-cats{display:flex;gap:6px;flex-wrap:wrap}
.reply-cats span{font-size:11px;padding:3px 10px;border-radius:20px;background:#f2f4f7;color:#5b6b7c;font-weight:600}
.reply-cats span.on{background:var(--brand);color:#fff}
.reply-item{background:#fff8f3;border:1px solid #ffe3cf;border-radius:10px;padding:10px 12px;display:flex;flex-direction:column;gap:6px}
.reply-item .p{font-size:13px;color:#333;font-weight:600}
.reply-item .row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.reply-item .tag{font-size:11px;color:#b06a33;background:#fff0e2;padding:2px 8px;border-radius:4px}
.reply-item .send{font-size:12px;background:var(--brand);color:#fff;border:none;border-radius:6px;padding:5px 12px;font-weight:700;cursor:default}
.reply-float{position:absolute;bottom:-14px;left:50%;transform:translateX(-50%);background:var(--green);color:#fff;font-size:12px;font-weight:700;padding:6px 14px;border-radius:20px;box-shadow:var(--shadow-lg);white-space:nowrap}
.trustbar{background:var(--dark);color:#fff;padding:34px 0}
.trustbar-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.trustbar .num{font-size:34px;font-weight:900;color:#ffb266}
.trustbar .lbl{font-size:14px;color:#c3cdd6;margin-top:4px}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px}
.feature-card{background:#fff;border-radius:16px;padding:28px 24px;box-shadow:var(--shadow);transition:.28s;border:1px solid #f0f2f5}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.feature-card .ic{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:16px}
.feature-card h3{font-size:19px;margin-bottom:10px}
.feature-card p{color:var(--muted);font-size:15px}
.func-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center;margin-top:44px}
.func-list{display:grid;grid-template-columns:1fr;gap:12px}
.func-item{background:#fff;border:1px solid #eef1f5;border-radius:12px;padding:14px 18px;cursor:pointer;transition:.2s}
.func-item:hover{border-color:var(--brand);box-shadow:var(--shadow)}
.func-item h4{font-size:16px;margin-bottom:4px;display:flex;align-items:center;gap:8px}
.func-item h4 .no{color:var(--brand);font-weight:800}
.func-item p{font-size:14px;color:var(--muted)}
.func-preview{background:linear-gradient(160deg,#2C3E50,#3a4d5f);border-radius:20px;padding:28px;color:#fff;box-shadow:var(--shadow-lg)}
.func-preview .pv-title{font-size:13px;color:#a9bac9;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.func-preview .pv-list{display:flex;flex-direction:column;gap:8px}
.func-preview .pv-row{display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.06);border-radius:8px;padding:9px 12px;font-size:13px}
.func-preview .pv-row .k{color:#dfe8ef}
.func-preview .pv-row .v{color:#ffb266;font-weight:700}
.scenes-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:44px}
.scene-card{background:#fff;border-radius:16px;padding:26px 20px;text-align:center;box-shadow:var(--shadow);transition:.25s;border:1px solid #f0f2f5}
.scene-card:hover{transform:translateY(-5px)}
.scene-card .ic{font-size:34px;margin-bottom:12px}
.scene-card h3{font-size:17px;margin-bottom:8px}
.scene-card p{font-size:13.5px;color:var(--muted)}
.compare-wrap{overflow-x:auto;margin-top:40px;border-radius:16px;box-shadow:var(--shadow)}
.compare-table{width:100%;border-collapse:collapse;background:#fff;min-width:720px}
.compare-table th,.compare-table td{padding:16px 20px;text-align:center;border-bottom:1px solid var(--line);font-size:15px}
.compare-table thead th{background:var(--dark);color:#fff;font-size:16px}
.compare-table thead th.hot{background:var(--brand)}
.compare-table tbody tr:hover{background:#fff7f0}
.compare-table td:first-child{text-align:left;font-weight:700;color:#44546a;white-space:nowrap}
.compare-table .yes{color:var(--green);font-weight:700}
.compare-table .no{color:#E74C3C;font-weight:700}
.rec-tag{display:inline-block;background:#fff;color:var(--brand);font-size:12px;font-weight:700;padding:2px 10px;border-radius:20px;margin-left:6px}
.news-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:40px}
.news-item{background:#fff;border:1px solid #eef1f5;border-radius:14px;padding:20px 24px;box-shadow:var(--shadow);transition:.2s;display:flex;gap:20px;align-items:flex-start}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.news-date{min-width:96px;text-align:center;background:#fff2e8;color:var(--brand);border-radius:10px;padding:12px 8px;font-weight:700;line-height:1.2}
.news-date .m{font-size:13px}
.news-date .y{font-size:12px;color:#c0702e;font-weight:600}
.news-body h3{font-size:17px;margin-bottom:6px}
.news-body p{color:var(--muted);font-size:14.5px}
.news-badge{display:inline-block;background:var(--green);color:#fff;font-size:11px;font-weight:700;padding:1px 8px;border-radius:4px;margin-left:8px;vertical-align:middle}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px}
.stat-card{background:#fff;border-radius:16px;padding:30px 20px;text-align:center;box-shadow:var(--shadow)}
.stat-card .n{font-size:40px;font-weight:900;color:var(--brand)}
.stat-card .l{color:var(--muted);font-size:14px;margin-top:6px}
.testi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:36px}
.testi{background:#fff;border-radius:16px;padding:26px;box-shadow:var(--shadow);border-left:4px solid var(--brand)}
.testi p{font-size:15.5px;color:#3c4b5c;font-style:italic;margin-bottom:12px}
.testi .name{font-size:14px;color:var(--muted);font-weight:600}
.faq-wrap{margin-top:40px;max-width:860px;margin-left:auto;margin-right:auto}
.faq-tools{display:flex;gap:12px;justify-content:flex-end;margin-bottom:16px}
.faq-tools button{background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 16px;font-size:13px;font-weight:600;cursor:pointer;color:var(--dark)}
.faq-tools button:hover{border-color:var(--brand);color:var(--brand)}
.faq-item{background:#fff;border:1px solid #eef1f5;border-radius:14px;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow)}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 24px;font-size:16.5px;font-weight:700;color:var(--dark);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px}
.faq-q .cat{font-size:12px;font-weight:600;color:var(--brand);background:#fff2e8;padding:2px 10px;border-radius:20px;white-space:nowrap}
.faq-q .arrow{transition:.25s;color:var(--brand);font-size:18px}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 24px 22px;color:#44546a;font-size:15px}
.faq-a-inner ol{padding-left:20px;margin-top:10px}
.faq-a-inner ol li{margin-bottom:8px}
.faq-a-inner b{color:var(--brand)}
.download-box{background:linear-gradient(135deg,var(--dark),#3a4d5f);border-radius:24px;padding:56px;color:#fff;text-align:center;margin-top:44px;position:relative;overflow:hidden}
.download-box h3{font-size:30px;margin-bottom:10px}
.download-box .meta{color:#c3cdd6;font-size:15px;margin-bottom:28px}
.download-box .meta span{display:inline-block;margin:0 12px}
.download-box .btn{background:var(--brand);color:#fff;font-size:20px;padding:18px 52px}
.download-box .btn:hover{background:var(--brand-dark);transform:translateY(-2px)}
.download-note{margin-top:22px;font-size:13.5px;color:#a9bac9}
.sysreq{margin-top:44px;background:#fff;border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.sysreq summary{cursor:pointer;padding:20px 24px;font-weight:700;font-size:17px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.sysreq summary::-webkit-details-marker{display:none}
.sysreq table{width:100%;border-collapse:collapse}
.sysreq th,.sysreq td{padding:13px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:14.5px}
.sysreq th{background:#f7f9fb;color:#44546a}
.sysreq td:first-child{font-weight:700;color:#44546a}
.footer{background:#1f2a35;color:#aebcc9;padding:56px 0 28px;margin-top:0}
.footer-links{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:center;margin-bottom:22px}
.footer-links a{font-size:14.5px}
.footer-links a:hover{color:#fff}
.footer-links .sep{opacity:.4}
.friend-links{margin:18px auto;max-width:900px;text-align:center}
.friend-links h4{color:#fff;font-size:14px;margin-bottom:10px;letter-spacing:2px}
#my-friend-links{font-size:13.5px}
#my-friend-links a{color:#aebcc9;margin:0 8px}
#my-friend-links a:hover{color:#ffb266}
.footer-copy{text-align:center;font-size:13px;color:#7d8b98;margin-top:20px;border-top:1px solid #2b3642;padding-top:20px}
.footer-copy a{color:#aebcc9}
.backtop{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;background:var(--brand);color:#fff;border:none;font-size:20px;cursor:pointer;box-shadow:var(--shadow-lg);display:none;z-index:90}
.backtop.show{display:flex;align-items:center;justify-content:center}
.page-hero{background:linear-gradient(135deg,#fff7f0,#fff);padding:64px 0 40px;text-align:center;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:36px;font-weight:900;margin-bottom:12px}
.page-hero p{color:var(--muted);max-width:680px;margin:0 auto;font-size:17px}
.content-card{background:#fff;border-radius:16px;padding:32px;box-shadow:var(--shadow);margin-bottom:24px}
.content-card h2{font-size:22px;margin-bottom:14px}
.content-card p{color:#44546a;font-size:15.5px;margin-bottom:12px}
.content-card ul,.content-card ol{padding-left:22px;margin:10px 0}
.content-card li{margin-bottom:8px;color:#44546a}
.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:8px}
.breadcrumb a:hover{color:var(--brand)}
.fade-in{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:none}
@media(max-width:1024px){
.hero-grid{grid-template-columns:1fr;gap:48px}
.hero h1{font-size:38px}
.features-grid{grid-template-columns:repeat(2,1fr)}
.func-wrap{grid-template-columns:1fr}
.scenes-grid{grid-template-columns:repeat(2,1fr)}
.stats-grid{grid-template-columns:repeat(2,1fr)}
.testi-grid{grid-template-columns:1fr}
.trustbar-inner{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.nav{position:fixed;top:68px;left:0;right:0;background:#fff;flex-direction:column;gap:0;border-bottom:1px solid var(--line);display:none;padding:10px 0}
.nav.open{display:flex}
.nav a{padding:14px 24px;width:100%}
.nav-toggle{display:block}
.nav-cta{display:none}
.section{padding:56px 0}
.hero{padding:56px 0}
.hero h1{font-size:30px}
.section-title{font-size:26px}
.features-grid{grid-template-columns:1fr}
.scenes-grid{grid-template-columns:1fr}
.stats-grid{grid-template-columns:1fr 1fr}
.trustbar-inner{grid-template-columns:1fr 1fr}
.mockup-body{grid-template-columns:1fr}
.reply-panel{border-left:none;border-top:1px solid var(--line)}
.download-box{padding:32px 20px}
.news-item{flex-direction:column;gap:12px}
.news-date{min-width:100%;display:flex;gap:8px;justify-content:center}
}