/* 快鸭 - 品牌官网样式（翡翠绿深色主题） */
:root{--primary:#10b981;--primary-dark:#059669;--primary-light:#34d399;--accent:#f59e0b;--bg:#0b1220;--bg-soft:#0f172a;--card:#101a2e;--card-hover:#152238;--text:#e6edf6;--text-light:#9aa8bd;--text-muted:#64748b;--border:#1e293b;--border-light:#253449;--shadow:0 8px 28px rgba(0,0,0,.35);--radius:14px;--radius-sm:8px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);line-height:1.7;background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--primary-light);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
/* Header */
.site-header{background:rgba(11,18,32,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1000}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;color:var(--text)}
.logo img{width:38px;height:38px;border-radius:8px}
.logo span{background:linear-gradient(90deg,#34d399,#10b981);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav-menu{display:flex;gap:26px;list-style:none;align-items:center}
.nav-menu a{color:var(--text-light);font-size:15px;font-weight:500}
.nav-menu a:hover{color:var(--primary-light)}
.nav-cta{display:inline-flex;align-items:center;padding:9px 22px;background:linear-gradient(135deg,#10b981,#059669);color:#fff!important;border-radius:22px;font-weight:600;font-size:14px;box-shadow:0 4px 14px rgba(16,185,129,.35)}
.nav-cta:hover{background:linear-gradient(135deg,#34d399,#10b981);color:#fff!important;transform:translateY(-1px)}
/* Hero */
.hero{background:radial-gradient(ellipse at 20% 0%,rgba(16,185,129,.16),transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(245,158,11,.08),transparent 45%),var(--bg-soft);padding:72px 0 56px;overflow:hidden;border-bottom:1px solid var(--border)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.35);color:var(--primary-light);padding:6px 16px;border-radius:20px;font-size:13px;font-weight:500;margin-bottom:20px}
.hero-badge .dot{width:8px;height:8px;background:#34d399;border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:44px;line-height:1.22;margin-bottom:18px;font-weight:800;letter-spacing:-.5px}
.hero h1 .grad{background:linear-gradient(90deg,#34d399,#10b981,#f59e0b);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:17px;color:var(--text-light);margin-bottom:30px;line-height:1.85;max-width:560px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;border-radius:26px;font-size:16px;font-weight:600;transition:all .2s}
.btn-primary{background:linear-gradient(135deg,#10b981,#059669);color:#fff;box-shadow:0 6px 20px rgba(16,185,129,.4)}
.btn-primary:hover{background:linear-gradient(135deg,#34d399,#10b981);color:#fff;transform:translateY(-2px)}
.btn-outline{border:2px solid var(--border-light);color:var(--text);background:transparent}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-light);background:rgba(16,185,129,.08)}
.hero-stats{display:flex;gap:32px;flex-wrap:wrap}
.hero-stat{display:flex;flex-direction:column}
.hero-stat b{font-size:22px;color:var(--text)}
.hero-stat span{font-size:12px;color:var(--text-muted)}
/* Simulator */
.simulator{position:relative}
.sim-glow{position:absolute;inset:-20px;background:radial-gradient(circle at center,rgba(16,185,129,.25),transparent 70%);filter:blur(30px);z-index:0}
.sim-device{position:relative;z-index:1;background:#0d1524;border:1px solid var(--border-light);border-radius:22px;padding:14px;box-shadow:0 24px 60px rgba(0,0,0,.5);transform:perspective(1200px) rotateY(-4deg) rotateX(2deg);transition:transform .4s}
.sim-device:hover{transform:perspective(1200px) rotateY(0) rotateX(0)}
.sim-screen{background:linear-gradient(160deg,#0b1220,#0f1b2e);border-radius:14px;overflow:hidden;aspect-ratio:4/3;border:1px solid var(--border);position:relative}
.sim-topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border)}
.sim-topbar .dots{display:flex;gap:6px}
.sim-topbar .dots i{width:10px;height:10px;border-radius:50%;display:block}
.sim-topbar .dots i:nth-child(1){background:#f87171}
.sim-topbar .dots i:nth-child(2){background:#fbbf24}
.sim-topbar .dots i:nth-child(3){background:#34d399}
.sim-topbar .app{font-size:12px;color:var(--text-muted)}
.sim-body{padding:16px}
.sim-connect{display:flex;align-items:center;justify-content:center;gap:10px;background:linear-gradient(135deg,#10b981,#059669);color:#fff;border-radius:26px;padding:14px;font-weight:700;font-size:15px;margin-bottom:14px;box-shadow:0 6px 18px rgba(16,185,129,.35)}
.sim-row{display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:10px;padding:11px 14px;margin-bottom:8px}
.sim-row .flag{font-size:18px}
.sim-row .name{font-size:13px;color:var(--text-light)}
.sim-row .ping{font-size:12px;color:#34d399;font-weight:600}
.sim-notch{width:90px;height:5px;background:#223047;border-radius:3px;margin:12px auto 0}
/* Announcement */
.announcement{background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.3);border-radius:10px;padding:13px 18px;margin-top:22px;display:flex;align-items:center;gap:10px;font-size:14px}
.announcement .tag{background:#f59e0b;color:#0b1220;font-weight:700;font-size:12px;padding:2px 10px;border-radius:6px;white-space:nowrap}
.announcement a{color:var(--accent);font-weight:500}
/* Section */
.section{padding:76px 0}
.section-alt{background:var(--bg-soft);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{text-align:center;margin-bottom:48px}
.section-eyebrow{display:inline-block;color:var(--primary-light);font-size:13px;font-weight:600;letter-spacing:1px;text-transform:uppercase;margin-bottom:10px}
.section-title{font-size:32px;font-weight:800;margin-bottom:12px;letter-spacing:-.5px}
.section-desc{color:var(--text-light);font-size:16px;max-width:620px;margin:0 auto;line-height:1.8}
/* Features */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:30px 26px;transition:transform .25s,border-color .25s,background .25s}
.feature-card:hover{transform:translateY(-6px);border-color:rgba(16,185,129,.5);background:var(--card-hover)}
.feature-icon{width:52px;height:52px;background:linear-gradient(135deg,rgba(16,185,129,.2),rgba(16,185,129,.08));border:1px solid rgba(16,185,129,.3);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px}
.feature-card h3{font-size:18px;margin-bottom:10px;font-weight:700}
.feature-card p{color:var(--text-light);font-size:14px;line-height:1.75}
.feature-card .feat-num{font-size:12px;color:var(--primary-light);font-weight:700;letter-spacing:1px}
/* Compare */
.compare-table{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border);font-size:14px}
.compare-table th,.compare-table td{padding:15px 18px;text-align:center;border-bottom:1px solid var(--border)}
.compare-table th{background:linear-gradient(135deg,#10b981,#059669);color:#fff;font-weight:600}
.compare-table td:first-child,.compare-table th:first-child{text-align:left;color:var(--text-light)}
.compare-table tr:last-child td{border-bottom:none}
.compare-table .highlight{background:rgba(16,185,129,.1);font-weight:700;color:var(--text)}
.compare-table tbody tr:hover{background:rgba(255,255,255,.02)}
.check{color:#34d399;font-weight:700}
.cross{color:#f87171;font-weight:700}
.mid{color:var(--accent);font-weight:600}
/* News Tabs */
.news-tabs{display:flex;gap:12px;justify-content:center;margin-bottom:34px;flex-wrap:wrap}
.news-tab{padding:9px 22px;border-radius:22px;background:var(--card);border:1px solid var(--border);font-size:14px;font-weight:500;color:var(--text-light);cursor:pointer;transition:all .2s}
.news-tab.active,.news-tab:hover{background:linear-gradient(135deg,#10b981,#059669);color:#fff;border-color:transparent}
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:transform .25s,border-color .25s}
.news-card:hover{transform:translateY(-5px);border-color:rgba(16,185,129,.5)}
.news-card img{width:100%;height:170px;object-fit:cover;background:#1a2537}
.news-card-body{padding:20px}
.news-card .cat{font-size:12px;color:var(--primary-light);font-weight:600;margin-bottom:6px;display:inline-block}
.news-card h3{font-size:16px;margin-bottom:8px;line-height:1.5;font-weight:600}
.news-card h3 a{color:var(--text)}
.news-card h3 a:hover{color:var(--primary-light)}
.news-card p{font-size:13px;color:var(--text-muted);line-height:1.6}
.news-meta{font-size:12px;color:var(--text-muted);margin-top:12px;display:flex;gap:14px}
/* Reviews */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review-card{background:var(--card);border-radius:var(--radius);padding:26px;border:1px solid var(--border)}
.review-stars{color:#f59e0b;font-size:16px;margin-bottom:12px;letter-spacing:2px}
.review-text{font-size:14px;color:var(--text-light);line-height:1.8;margin-bottom:16px}
.review-author{display:flex;align-items:center;gap:12px}
.review-avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#10b981,#059669);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px}
.review-name{font-weight:600;font-size:14px}
.review-role{font-size:12px;color:var(--text-muted)}
/* Download */
.download-section{background:radial-gradient(ellipse at center,rgba(16,185,129,.18),transparent 60%),var(--bg-soft);padding:76px 0;text-align:center;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.download-section h2{font-size:32px;margin-bottom:12px;font-weight:800}
.download-section .sub{color:var(--text-light);margin-bottom:36px;font-size:16px}
.download-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;max-width:860px;margin:0 auto}
.download-btn{display:flex;flex-direction:column;align-items:center;gap:8px;padding:22px 12px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:14px;font-weight:500;transition:all .2s}
.download-btn:hover{background:var(--card-hover);border-color:var(--primary);color:var(--primary-light);transform:translateY(-3px)}
.download-btn .dl-icon{font-size:34px}
/* Trust */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;text-align:center}
.trust-item{padding:26px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius)}
.trust-num{font-size:38px;font-weight:800;background:linear-gradient(90deg,#34d399,#10b981);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:4px}
.trust-label{font-size:14px;color:var(--text-light)}
/* Scenarios */
.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scenario-card{background:var(--card);border-radius:var(--radius);padding:28px;border:1px solid var(--border);transition:transform .25s}
.scenario-card:hover{transform:translateY(-5px);border-color:rgba(16,185,129,.4)}
.scenario-card .s-icon{font-size:34px;margin-bottom:12px;display:block}
.scenario-card h3{font-size:17px;margin-bottom:8px;font-weight:700}
.scenario-card p{font-size:14px;color:var(--text-light);line-height:1.75}
/* FAQ */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border-radius:var(--radius);margin-bottom:14px;border:1px solid var(--border);overflow:hidden}
.faq-q{padding:20px 24px;font-weight:600;font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-q .icon{color:var(--primary-light);font-size:20px;flex-shrink:0}
.faq-a{padding:0 24px 22px;color:var(--text-light);font-size:14px;line-height:1.85}
.faq-steps{list-style:none;counter-reset:step}
.faq-steps li{counter-increment:step;padding:7px 0 7px 36px;position:relative}
.faq-steps li::before{content:counter(step);position:absolute;left:0;top:7px;width:24px;height:24px;background:linear-gradient(135deg,#10b981,#059669);color:#fff;border-radius:50%;font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:700}
/* CTA */
.cta-section{background:linear-gradient(135deg,#10b981,#059669);padding:64px 0;text-align:center}
.cta-section h2{font-size:30px;margin-bottom:12px;font-weight:800;color:#fff}
.cta-section p{color:rgba(255,255,255,.9);margin-bottom:26px;font-size:16px}
.cta-section .btn-primary{background:#fff;color:#059669;box-shadow:0 6px 20px rgba(0,0,0,.2)}
.cta-section .btn-primary:hover{background:#f0fdf4;color:#059669}
/* Footer */
.site-footer{background:#070d18;padding:52px 0 26px;font-size:14px;border-top:1px solid var(--border)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:34px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer-col p{color:var(--text-muted);font-size:13px;line-height:1.8}
.footer-col a{color:var(--text-muted);display:block;padding:4px 0;font-size:13px}
.footer-col a:hover{color:var(--primary-light)}
.footer-bottom{border-top:1px solid var(--border);padding-top:22px;text-align:center;font-size:12px;color:var(--text-muted)}
.footer-bottom a{color:var(--text-muted)}
.footer-bottom a:hover{color:var(--primary-light)}
/* Breadcrumb */
.breadcrumb{padding:18px 0;font-size:13px;color:var(--text-muted);border-bottom:1px solid var(--border);background:var(--bg-soft)}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--primary-light)}
.breadcrumb span{margin:0 8px;color:#334155}
/* Page Hero (inner pages) */
.page-hero{background:radial-gradient(ellipse at 30% 0%,rgba(16,185,129,.15),transparent 55%),var(--bg-soft);padding:52px 0;border-bottom:1px solid var(--border);text-align:center}
.page-hero h1{font-size:36px;font-weight:800;margin-bottom:14px}
.page-hero p{color:var(--text-light);font-size:16px;max-width:640px;margin:0 auto;line-height:1.8}
/* Article */
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;padding:44px 0}
.article-main{background:var(--card);border-radius:var(--radius);padding:36px;border:1px solid var(--border)}
.article-main h1{font-size:28px;margin-bottom:14px;line-height:1.4;font-weight:800}
.article-meta{display:flex;gap:16px;font-size:13px;color:var(--text-muted);margin-bottom:24px;padding-bottom:18px;border-bottom:1px solid var(--border);flex-wrap:wrap}
.article-cover{border-radius:10px;margin-bottom:24px;width:100%;background:#1a2537}
.article-main h2{font-size:22px;margin:30px 0 14px;padding-bottom:10px;border-bottom:2px solid var(--primary);font-weight:700;color:var(--text)}
.article-main h3{font-size:18px;margin:22px 0 10px;font-weight:700}
.article-main p{margin-bottom:16px;font-size:15px;line-height:1.95;color:#cbd5e1}
.article-main img{border-radius:8px;margin:18px 0}
.article-main blockquote{border-left:4px solid var(--primary);background:rgba(16,185,129,.06);padding:14px 18px;margin:18px 0;border-radius:0 8px 8px 0;color:var(--text-light);font-style:italic}
.article-toc{background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;padding:18px 22px;margin-bottom:26px}
.article-toc h4{font-size:14px;margin-bottom:10px;color:var(--primary-light)}
.article-toc ol{padding-left:20px;font-size:14px}
.article-toc li{padding:4px 0}
.article-toc li a{color:var(--text-light)}
.article-toc li a:hover{color:var(--primary-light)}
.article-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
.article-table th,.article-table td{padding:11px 14px;border:1px solid var(--border);text-align:left}
.article-table th{background:rgba(16,185,129,.1);color:var(--text)}
.article-table td{color:var(--text-light)}
.article-nav{display:flex;justify-content:space-between;margin-top:34px;padding-top:22px;border-top:1px solid var(--border);font-size:14px;gap:16px}
.article-nav a{color:var(--text-light)}
.article-nav a:hover{color:var(--primary-light)}
/* Sidebar */
.sidebar{position:sticky;top:88px;align-self:start}
.sidebar-widget{background:var(--card);border-radius:var(--radius);padding:22px;border:1px solid var(--border);margin-bottom:20px}
.sidebar-widget h4{font-size:15px;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--primary);font-weight:700}
.sidebar-widget ul{list-style:none}
.sidebar-widget li{padding:7px 0;border-bottom:1px solid var(--border);font-size:13px}
.sidebar-widget li:last-child{border-bottom:none}
.sidebar-widget li a{color:var(--text-light);line-height:1.5}
.sidebar-widget li a:hover{color:var(--primary-light)}
.sidebar-widget .cat-tag{display:inline-block;background:rgba(16,185,129,.12);color:var(--primary-light);padding:3px 12px;border-radius:14px;font-size:12px;margin:3px 4px 3px 0}
/* Comments */
.comments{margin-top:34px}
.comments h3{font-size:18px;margin-bottom:18px;font-weight:700}
.comment{background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:12px}
.comment-header{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.comment-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#10b981,#059669);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}
.comment-name{font-weight:600;font-size:14px}
.comment-date{font-size:12px;color:var(--text-muted)}
.comment-text{font-size:14px;line-height:1.75;color:var(--text-light)}
/* 404 */
.page-404{text-align:center;padding:120px 20px}
.page-404 .code{font-size:90px;font-weight:800;background:linear-gradient(90deg,#34d399,#10b981);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:12px;line-height:1}
.page-404 h1{font-size:26px;margin-bottom:12px}
.page-404 p{font-size:16px;color:var(--text-light);margin-bottom:26px}
.page-404 .countdown{color:var(--primary-light);font-weight:700}
/* Sitemap page */
.sitemap-list{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.sitemap-list .sm-col h3{font-size:17px;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--primary);font-weight:700}
.sitemap-list ul{list-style:none}
.sitemap-list li{padding:6px 0;font-size:14px}
.sitemap-list li a{color:var(--text-light)}
.sitemap-list li a:hover{color:var(--primary-light)}
/* Responsive */
@media(max-width:992px){.hero-grid{grid-template-columns:1fr}.features-grid,.news-list,.reviews-grid,.scenarios-grid{grid-template-columns:repeat(2,1fr)}.download-grid{grid-template-columns:repeat(3,1fr)}.trust-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.article-layout{grid-template-columns:1fr}.sidebar{position:static}.sitemap-list{grid-template-columns:1fr 1fr}.hero h1{font-size:34px}}
@media(max-width:576px){.features-grid,.news-list,.reviews-grid,.scenarios-grid,.download-grid,.trust-grid,.footer-grid,.sitemap-list{grid-template-columns:1fr}.hero h1{font-size:28px}.section{padding:52px 0}.nav-menu{display:none}}