:root{--brand:#e63b2e;--brand-dark:#c22a1e;--brand-light:#ff6a5b;--accent:#f5a623;--bg:#f7f8fa;--card:#ffffff;--text:#1f2329;--muted:#6b7280;--line:#e7e9ee;--radius:16px;--shadow:0 6px 24px rgba(31,35,41,.08);--shadow-lg:0 16px 48px rgba(198,44,30,.14);--grad:linear-gradient(135deg,#ff6a5b 0%,#e63b2e 55%,#c22a1e 100%);--grad-soft:linear-gradient(135deg,rgba(230,59,46,.08),rgba(245,166,35,.1));--nav-h:68px;--maxw:1200px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:15px;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
button{font-family:inherit;border:none;cursor:pointer;background:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 52px}
.sec-head .tag{display:inline-block;font-size:13px;font-weight:600;color:var(--brand);background:var(--grad-soft);padding:6px 16px;border-radius:999px;letter-spacing:1px;margin-bottom:16px}
.sec-head h2{font-size:34px;line-height:1.3;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:15px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;transition:all .28s cubic-bezier(.4,0,.2,1);white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-lg)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 44px rgba(198,44,30,.28)}
.btn-ghost{background:transparent;color:var(--brand);border:2px solid var(--brand)}
.btn-ghost:hover{background:var(--grad-soft);transform:translateY(-3px)}
.btn-white{background:#fff;color:var(--brand);box-shadow:0 8px 24px rgba(0,0,0,.14)}
.btn-white:hover{transform:translateY(-3px)}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);display:flex;align-items:center;background:rgba(255,255,255,.96);transition:all .3s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(20,22,26,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 4px 20px rgba(0,0,0,.18);border-bottom:1px solid rgba(255,255,255,.08)}
.nav.scrolled .nav-logo span{color:#fff}
.nav.scrolled .nav-link,.nav.scrolled .nav-drop>button{color:#e5e7eb}
.nav-inner{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800}
.nav-logo img{width:34px;height:34px;border-radius:8px}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-link{display:block;padding:10px 14px;font-size:14.5px;font-weight:600;color:var(--text);border-radius:10px;transition:all .25s}
.nav-link:hover{color:var(--brand)}
.nav.scrolled .nav-link:hover{color:#ff8a7c}
.nav-drop{position:relative}
.nav-drop>button{display:flex;align-items:center;gap:6px;padding:10px 14px;font-size:14.5px;font-weight:600;color:var(--text);border-radius:10px;transition:all .25s}
.nav-drop>button:hover{color:var(--brand)}
.nav.scrolled .nav-drop>button:hover{color:#ff8a7c}
.nav-drop .caret{display:inline-block;transition:transform .3s;font-size:11px}
.nav-drop:hover .caret{transform:rotate(180deg)}
.drop-panel{position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(8px);min-width:216px;background:#fff;border-radius:14px;box-shadow:0 18px 48px rgba(0,0,0,.14);padding:8px;opacity:0;visibility:hidden;transition:all .28s;z-index:100}
.nav-drop:hover .drop-panel,.nav-drop.open .drop-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.drop-panel a{display:block;padding:10px 14px;border-radius:10px;font-size:13.5px;color:var(--text);transition:all .2s}
.drop-panel a:hover{background:var(--grad-soft);color:var(--brand);padding-left:20px}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-hamburger{display:none;flex-direction:column;gap:5px;padding:10px;z-index:1001}
.nav-hamburger span{width:24px;height:2.5px;background:var(--text);border-radius:2px;transition:all .3s}
.nav.scrolled .nav-hamburger span{background:#fff}
.nav-hamburger.active span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-hamburger.active span:nth-child(2){opacity:0}
.nav-hamburger.active span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.nav-mobile{position:fixed;top:var(--nav-h);left:0;right:0;background:#fff;border-radius:0 0 20px 20px;box-shadow:0 24px 48px rgba(0,0,0,.16);padding:16px 24px 28px;transform:translateY(-110%);transition:transform .35s cubic-bezier(.4,0,.2,1);z-index:999;max-height:calc(100vh - var(--nav-h));overflow-y:auto;display:none}
.nav-mobile.show{transform:translateY(0)}
.nav-mobile .m-group>button{display:flex;align-items:center;justify-content:space-between;width:100%;padding:14px 6px;font-size:16px;font-weight:700;color:var(--text);border-bottom:1px solid var(--line)}
.nav-mobile .m-group .caret{transition:transform .3s;font-size:12px;color:var(--muted)}
.nav-mobile .m-group.open .caret{transform:rotate(180deg)}
.nav-mobile .m-sub{display:none;padding:6px 0 10px}
.nav-mobile .m-group.open .m-sub{display:block}
.nav-mobile .m-sub a{display:block;padding:11px 14px;font-size:14.5px;color:var(--muted);border-radius:10px}
.nav-mobile .m-sub a:hover{background:var(--grad-soft);color:var(--brand)}
.nav-mobile .m-link{display:block;padding:14px 6px;font-size:16px;font-weight:700;border-bottom:1px solid var(--line)}
.hero{position:relative;padding:calc(var(--nav-h) + 72px) 0 96px;background:radial-gradient(1200px 600px at 85% -10%,rgba(255,106,91,.16),transparent 60%),radial-gradient(900px 500px at -10% 30%,rgba(245,166,35,.12),transparent 55%),#fff}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--grad-soft);color:var(--brand);font-size:13px;font-weight:600;padding:8px 18px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:46px;line-height:1.22;margin-bottom:20px;letter-spacing:.5px}
.hero .hero-sub{font-size:17px;color:var(--muted);margin-bottom:34px;max-width:520px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:44px}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap}
.hero-stat .num{font-size:32px;font-weight:800;color:var(--brand);line-height:1.2}
.hero-stat .num i{font-style:normal;font-size:20px}
.hero-stat .lbl{font-size:13px;color:var(--muted);margin-top:4px}
.demo-wrap{position:relative;border-radius:20px;background:linear-gradient(160deg,#2b2f36,#1c1f24);padding:10px;box-shadow:0 28px 64px rgba(28,31,36,.3)}
.demo-bar{display:flex;align-items:center;gap:8px;padding:10px 14px 12px}
.demo-dot{width:11px;height:11px;border-radius:50%}
.demo-dot.r{background:#ff5f57}.demo-dot.y{background:#febc2e}.demo-dot.g{background:#28c840}
.demo-bar .demo-title{margin-left:12px;font-size:12.5px;color:#9aa3ad}
.demo-body{background:#fff;border-radius:12px;overflow:hidden}
.demo-toolbar{display:flex;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid #eef0f4;flex-wrap:wrap}
.demo-toolbar button{min-width:34px;height:34px;padding:0 10px;border-radius:8px;font-size:13.5px;font-weight:600;color:#3d434b;transition:all .2s;display:flex;align-items:center;justify-content:center}
.demo-toolbar button:hover,.demo-toolbar button.on{background:var(--grad-soft);color:var(--brand)}
.demo-toolbar .sep{width:1px;height:22px;background:#eef0f4}
.demo-toolbar select{height:34px;border:1px solid #eef0f4;border-radius:8px;font-size:13px;color:#3d434b;padding:0 8px;background:#fff}
.demo-editor{min-height:250px;padding:24px;font-size:15px;color:#2b2f36;outline:none;line-height:1.9;white-space:pre-wrap;word-break:break-word}
.demo-editor:empty::before{content:"点击这里输入文字，试试上方的加粗、颜色和字号工具……";color:#b8bec7}
.demo-status{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:#fafbfc;border-top:1px solid #eef0f4;font-size:12px;color:#8b939d}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{background:var(--card);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);transition:all .3s;border:1px solid transparent;position:relative;overflow:hidden}
.feature-card::before{content:"";position:absolute;inset:0 0 auto;height:3px;background:var(--grad);opacity:0;transition:opacity .3s}
.feature-card:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(31,35,41,.12);border-color:var(--line)}
.feature-card:hover::before{opacity:1}
.feature-icon{width:52px;height:52px;border-radius:14px;background:var(--grad-soft);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px}
.feature-card h3{font-size:17px;margin-bottom:10px}
.feature-card p{font-size:13.5px;color:var(--muted)}
.scenario{background:#fff}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scenario-card{border-radius:var(--radius);overflow:hidden;background:var(--card);box-shadow:var(--shadow);transition:all .3s;border:1px solid var(--line)}
.scenario-card:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(31,35,41,.12)}
.scenario-card .sc-img{height:150px;background-size:cover;background-position:center;position:relative}
.scenario-card .sc-num{position:absolute;top:14px;left:14px;background:rgba(20,22,26,.7);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;backdrop-filter:blur(4px)}
.scenario-card .sc-body{padding:22px}
.scenario-card h3{font-size:16.5px;margin-bottom:8px}
.scenario-card p{font-size:13.5px;color:var(--muted)}
.template-strip{background:linear-gradient(135deg,#fff5f3,#fff8ec)}
.tpl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:40px}
.tpl-item{background:#fff;border-radius:14px;padding:22px;text-align:center;box-shadow:var(--shadow);transition:all .3s;border:1px solid var(--line)}
.tpl-item:hover{transform:translateY(-6px);box-shadow:0 14px 32px rgba(31,35,41,.14)}
.tpl-item .tpl-ico{width:58px;height:58px;margin:0 auto 14px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:26px}
.tpl-item h4{font-size:15px;margin-bottom:4px}
.tpl-item p{font-size:12.5px;color:var(--muted)}
.compat-row{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.compat-chip{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 22px;font-size:14px;font-weight:600;box-shadow:var(--shadow);transition:all .25s}
.compat-chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-3px)}
.compat-chip .ok{color:#22a55a;font-weight:800}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step-card{background:var(--card);border-radius:var(--radius);padding:34px 26px;text-align:center;box-shadow:var(--shadow);position:relative;transition:all .3s}
.step-card:hover{transform:translateY(-8px)}
.step-num{width:54px;height:54px;margin:0 auto 18px;border-radius:50%;background:var(--grad);color:#fff;font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(198,44,30,.3)}
.step-card h3{font-size:17px;margin-bottom:10px}
.step-card p{font-size:13.5px;color:var(--muted)}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{background:var(--card);border-radius:20px;padding:38px 30px;box-shadow:var(--shadow);border:2px solid transparent;transition:all .3s;position:relative;display:flex;flex-direction:column}
.price-card:hover{transform:translateY(-8px)}
.price-card.hot{border-color:var(--brand);box-shadow:var(--shadow-lg);transform:scale(1.03)}
.price-card.hot:hover{transform:scale(1.03) translateY(-8px)}
.hot-flag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12.5px;font-weight:700;padding:6px 20px;border-radius:999px;box-shadow:0 8px 20px rgba(198,44,30,.35);white-space:nowrap}
.price-name{font-size:17px;font-weight:700;margin-bottom:6px}
.price-desc{font-size:13px;color:var(--muted);margin-bottom:20px}
.price-amount{font-size:40px;font-weight:800;color:var(--brand)}
.price-amount small{font-size:15px;font-weight:600}
.price-unit{font-size:13px;color:var(--muted);margin:4px 0 24px}
.price-list{flex:1;margin-bottom:28px}
.price-list li{position:relative;padding:8px 0 8px 30px;font-size:14px;color:var(--text)}
.price-list li::before{content:"✓";position:absolute;left:0;top:8px;width:20px;height:20px;border-radius:50%;background:var(--grad-soft);color:var(--brand);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center}
.price-card .btn{width:100%}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border-radius:14px;margin-bottom:14px;box-shadow:var(--shadow);overflow:hidden;transition:all .3s}
.faq-item.open{box-shadow:0 12px 32px rgba(31,35,41,.12)}
.faq-q{display:flex;align-items:center;justify-content:space-between;width:100%;padding:20px 24px;font-size:15.5px;font-weight:700;text-align:left;gap:16px}
.faq-q .faq-ico{flex:none;width:26px;height:26px;border-radius:50%;border:2px solid var(--brand);position:relative;transition:all .3s}
.faq-q .faq-ico::before,.faq-q .faq-ico::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:all .3s}
.faq-q .faq-ico::before{width:12px;height:2px;top:50%;left:50%;transform:translate(-50%,-50%)}
.faq-q .faq-ico::after{width:2px;height:12px;top:50%;left:50%;transform:translate(-50%,-50%)}
.faq-item.open .faq-ico{background:var(--brand)}
.faq-item.open .faq-ico::before,.faq-item.open .faq-ico::after{background:#fff}
.faq-item.open .faq-ico::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;color:var(--muted);font-size:14px}
.faq-a-inner{padding:0 24px 24px}
.faq-a ol{padding-left:20px}
.faq-a ol li{margin-bottom:8px}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.testi-card{background:var(--card);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);transition:all .3s;position:relative}
.testi-card:hover{transform:translateY(-6px)}
.testi-stars{color:var(--accent);font-size:14px;letter-spacing:2px;margin-bottom:14px}
.testi-text{font-size:14px;color:var(--text);margin-bottom:20px;line-height:1.8}
.testi-user{display:flex;align-items:center;gap:12px}
.testi-avatar{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:17px}
.testi-user .tu-name{font-size:14px;font-weight:700}
.testi-user .tu-role{font-size:12px;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:all .3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(31,35,41,.12)}
.news-card .nc-img{height:180px;background-size:cover;background-position:center;transition:transform .5s}
.news-card:hover .nc-img{transform:scale(1.06)}
.news-card .nc-body{padding:22px;display:flex;flex-direction:column;flex:1}
.news-card .nc-date{font-size:12px;color:var(--muted);margin-bottom:10px}
.news-card h3{font-size:16px;line-height:1.5;margin-bottom:10px}
.news-card h3 a:hover{color:var(--brand)}
.news-card p{font-size:13px;color:var(--muted);flex:1;margin-bottom:14px}
.news-card .nc-more{font-size:13px;font-weight:700;color:var(--brand)}
.cta{background:linear-gradient(135deg,#2b2f36 0%,#1c1f24 100%);border-radius:28px;padding:64px 48px;text-align:center;position:relative;overflow:hidden;color:#fff}
.cta::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(230,59,46,.35),transparent 70%);top:-160px;right:-80px}
.cta::after{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(245,166,35,.22),transparent 70%);bottom:-140px;left:-60px}
.cta h2{font-size:34px;margin-bottom:14px;position:relative;z-index:1}
.cta p{color:rgba(255,255,255,.72);margin-bottom:32px;position:relative;z-index:1;font-size:15px}
.cta .cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}
.footer{background:#17191d;color:#9aa3ad;padding:64px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .fb-name{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:14px}
.footer-brand .fb-name img{width:32px;height:32px;border-radius:8px}
.footer-brand p{font-size:13.5px;line-height:1.9;max-width:300px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px}
.footer-col a{display:block;font-size:13.5px;padding:6px 0;transition:all .2s}
.footer-col a:hover{color:#ff8a7c;padding-left:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;font-size:12.5px;text-align:center;color:#6b7280}
.breadcrumb{background:#fff;border-bottom:1px solid var(--line);padding:calc(var(--nav-h) + 20px) 0 14px}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb li:not(:last-child)::after{content:"›";margin-left:6px;color:#c3c8d0}
.page-hero{background:radial-gradient(1000px 500px at 80% -20%,rgba(255,106,91,.14),transparent 60%),#fff;padding:calc(var(--nav-h) + 56px) 0 64px;text-align:center}
.page-hero h1{font-size:40px;margin-bottom:16px;line-height:1.25}
.page-hero p{color:var(--muted);max-width:640px;margin:0 auto;font-size:15.5px}
.dl-hero{background:radial-gradient(1100px 560px at 85% -10%,rgba(255,106,91,.16),transparent 60%),#fff;padding:calc(var(--nav-h) + 64px) 0 80px}
.dl-inner{display:grid;grid-template-columns:1fr .95fr;gap:56px;align-items:center}
.dl-meta{display:flex;gap:36px;flex-wrap:wrap;margin:34px 0}
.dl-meta .dm-item .dm-val{font-size:24px;font-weight:800;color:var(--brand)}
.dl-meta .dm-item .dm-lbl{font-size:12.5px;color:var(--muted);margin-top:2px}
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ver-card{background:var(--card);border-radius:var(--radius);padding:32px 26px;box-shadow:var(--shadow);border:1px solid var(--line);transition:all .3s;display:flex;flex-direction:column}
.ver-card:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(31,35,41,.12);border-color:var(--brand)}
.ver-card .v-name{font-size:18px;font-weight:800;margin-bottom:4px}
.ver-card .v-ver{font-size:13px;color:var(--muted);margin-bottom:8px}
.ver-card .v-size{display:inline-block;background:var(--grad-soft);color:var(--brand);font-size:12.5px;font-weight:700;padding:4px 14px;border-radius:999px;margin-bottom:20px}
.ver-card ul{flex:1;margin-bottom:24px}
.ver-card ul li{padding:7px 0;font-size:14px}
.ver-card ul li b{color:var(--brand);margin-right:8px}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.req-item{background:var(--card);border-radius:14px;padding:24px;box-shadow:var(--shadow);display:flex;gap:16px;align-items:flex-start}
.req-item .rq-ico{flex:none;width:44px;height:44px;border-radius:12px;background:var(--grad-soft);display:flex;align-items:center;justify-content:center;font-size:20px}
.req-item h4{font-size:15px;margin-bottom:4px}
.req-item p{font-size:13px;color:var(--muted)}
.install-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.install-card{background:var(--card);border-radius:var(--radius);padding:30px 22px;text-align:center;box-shadow:var(--shadow);position:relative}
.install-card .i-num{position:absolute;top:-16px;left:50%;transform:translateX(-50%);width:36px;height:36px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(198,44,30,.3)}
.install-card h3{font-size:16px;margin:14px 0 10px}
.install-card p{font-size:13px;color:var(--muted)}
.news-list-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;padding:56px 0 88px}
.article-main{max-width:860px;margin:0 auto;padding:8px 0 80px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;padding-top:36px}
.article-cover{border-radius:20px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:32px}
.article-meta{display:flex;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin:20px 0 28px;align-items:center}
.article-meta .am-tag{background:var(--grad-soft);color:var(--brand);padding:4px 14px;border-radius:999px;font-weight:700;font-size:12.5px}
.article-body h2{font-size:24px;margin:44px 0 18px;padding-left:16px;border-left:4px solid var(--brand);line-height:1.4;scroll-margin-top:calc(var(--nav-h) + 20px)}
.article-body p{font-size:15.5px;line-height:2;color:#3d434b;margin-bottom:20px;text-align:justify}
.article-body img{border-radius:14px;margin:28px 0;box-shadow:var(--shadow)}
.article-body blockquote{background:var(--grad-soft);border-left:4px solid var(--brand);padding:18px 22px;border-radius:0 12px 12px 0;margin:26px 0;font-size:14.5px;color:#4b515a;line-height:1.9}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin:48px 0;border-top:1px solid var(--line);padding-top:28px}
.article-nav a{display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:var(--muted);max-width:46%;transition:color .2s}
.article-nav a:hover{color:var(--brand)}
.article-nav a b{font-size:12px;font-weight:700}
.related{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);margin-bottom:48px}
.related h3{font-size:18px;margin-bottom:20px;padding-left:14px;border-left:4px solid var(--brand)}
.related ul li{border-bottom:1px dashed var(--line)}
.related ul li:last-child{border-bottom:none}
.related ul a{display:flex;justify-content:space-between;gap:12px;padding:12px 4px;font-size:14px;transition:all .2s}
.related ul a:hover{color:var(--brand);padding-left:10px}
.related ul .r-date{color:var(--muted);font-size:12.5px;flex:none}
.aside{position:sticky;top:calc(var(--nav-h) + 20px);display:flex;flex-direction:column;gap:22px}
.aside-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}
.aside-card h4{font-size:15.5px;padding-left:12px;border-left:4px solid var(--brand);margin-bottom:18px;line-height:1.4}
.toc{position:relative}
.toc ul{position:relative}
.toc ul::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:var(--line)}
.toc li{position:relative;padding-left:24px;margin-bottom:4px}
.toc li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:12px;height:12px;border-radius:50%;background:#fff;border:2.5px solid #c3c8d0;transition:all .25s;z-index:1}
.toc a{display:block;font-size:13.5px;color:var(--muted);padding:7px 0;line-height:1.5;transition:all .25s}
.toc li.active::before{border-color:var(--brand);background:var(--brand);box-shadow:0 0 0 4px rgba(230,59,46,.15)}
.toc li.active a{color:var(--brand);font-weight:700}
.hot-rank li{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line)}
.hot-rank li:last-child{border-bottom:none}
.hot-rank .rank-badge{flex:none;width:26px;height:26px;border-radius:8px;background:#e5e7eb;color:#6b7280;font-size:12.5px;font-weight:800;display:flex;align-items:center;justify-content:center;transition:all .25s}
.hot-rank li:nth-child(1) .rank-badge{background:var(--grad);color:#fff}
.hot-rank li:nth-child(2) .rank-badge{background:linear-gradient(135deg,#ff9f43,#ff6b35);color:#fff}
.hot-rank li:nth-child(3) .rank-badge{background:linear-gradient(135deg,#f7c948,#e6a400);color:#fff}
.hot-rank li:hover .rank-badge{transform:scale(1.15)}
.hot-rank a{font-size:13.5px;line-height:1.5;transition:color .2s}
.hot-rank li:hover a{color:var(--brand)}
.cat-tags{display:flex;flex-wrap:wrap;gap:10px}
.cat-tags a{font-size:12.5px;padding:7px 15px;border-radius:999px;background:#f2f3f6;color:#4b515a;font-weight:600;transition:all .25s;border:1px solid transparent}
.cat-tags a:hover{color:var(--brand);background:var(--grad-soft);border-color:var(--brand)}
.comments{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px}
.comments h3{font-size:18px;margin-bottom:24px;padding-left:14px;border-left:4px solid var(--brand)}
.comment-item{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.comment-item:last-child{border-bottom:none}
.cm-avatar{flex:none;width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:16px}
.cm-head{display:flex;align-items:center;gap:12px;margin-bottom:6px;flex-wrap:wrap}
.cm-head .cm-name{font-weight:700;font-size:14px}
.cm-head .cm-date{font-size:12px;color:var(--muted)}
.cm-body{font-size:14px;color:#3d434b;line-height:1.8}
.sitemap-section{padding:56px 0 88px}
.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.sitemap-col{background:var(--card);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.sitemap-col h2{font-size:17px;margin-bottom:18px;padding-left:12px;border-left:4px solid var(--brand)}
.sitemap-col ul li{border-bottom:1px dashed var(--line)}
.sitemap-col ul li:last-child{border-bottom:none}
.sitemap-col ul a{display:block;padding:10px 2px;font-size:14px;transition:all .2s}
.sitemap-col ul a:hover{color:var(--brand);padding-left:8px}
.err-404{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(900px 500px at 50% -10%,rgba(255,106,91,.14),transparent 60%),#fff;text-align:center;padding:24px}
.err-404 .e-code{font-size:120px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}
.err-404 h1{font-size:26px;margin:10px 0 14px}
.err-404 p{color:var(--muted);margin-bottom:30px}
.err-404 .e-progress{width:220px;height:5px;background:var(--line);border-radius:99px;margin:0 auto 24px;overflow:hidden}
.err-404 .e-progress span{display:block;height:100%;background:var(--grad);border-radius:99px;animation:countdown 3s linear forwards}
@keyframes countdown{from{width:100%}to{width:0}}
.reveal{opacity:0;transform:translateY(28px);transition:all .7s cubic-bezier(.4,0,.2,1)}
.reveal.show{opacity:1;transform:none}
@media(max-width:992px){
.nav-menu,.nav-cta .btn{display:none}
.nav-hamburger,.nav-mobile{display:flex;flex-direction:column}
.hero-inner,.dl-inner{grid-template-columns:1fr;gap:40px}
.hero h1{font-size:36px}
.feature-grid{grid-template-columns:repeat(2,1fr)}
.scenario-grid{grid-template-columns:repeat(2,1fr)}
.tpl-grid{grid-template-columns:repeat(2,1fr)}
.steps{grid-template-columns:repeat(2,1fr)}
.news-grid,.testi-grid{grid-template-columns:repeat(2,1fr)}
.pricing-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto}
.price-card.hot{transform:none}
.price-card.hot:hover{transform:translateY(-8px)}
.ver-grid,.req-grid{grid-template-columns:repeat(2,1fr)}
.install-grid{grid-template-columns:repeat(2,1fr)}
.article-layout{grid-template-columns:1fr}
.aside{position:static;display:grid;grid-template-columns:repeat(2,1fr)}
.sitemap-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.section{padding:64px 0}
}
@media(max-width:768px){
.hero h1{font-size:30px}
.sec-head h2,.cta h2{font-size:26px}
.hero-stats{gap:28px}
.hero-stat .num{font-size:26px}
.feature-grid,.scenario-grid,.tpl-grid,.steps,.news-grid,.testi-grid,.ver-grid,.req-grid,.install-grid{grid-template-columns:1fr}
.aside{grid-template-columns:1fr}
.news-list-grid{grid-template-columns:1fr}
.article-body h2{font-size:20px}
.err-404 .e-code{font-size:88px}
.cta{padding:48px 24px}
}
@media(max-width:480px){
.container{padding:0 16px}
.hero{padding-top:calc(var(--nav-h) + 44px)}
.hero h1{font-size:26px}
.hero .hero-sub{font-size:15px}
.hero-actions{flex-direction:column;align-items:stretch}
.hero-actions .btn{width:100%}
.demo-toolbar button{min-width:30px;height:30px;font-size:12px}
.demo-editor{min-height:200px;padding:16px;font-size:14px}
.sec-head h2,.cta h2{font-size:23px}
.page-hero h1{font-size:28px}
.article-body p{font-size:14.5px}
.article-nav{flex-direction:column}
.article-nav a{max-width:100%}
.footer-grid{grid-template-columns:1fr}
.dl-meta{gap:24px}
}