:root{--brand:#e63a30;--brand2:#ff7a2f;--grad:linear-gradient(135deg,#ff7a2f,#e63a30);--ink:#23232b;--sub:#6b7280;--bg:#fff;--bg2:#f7f7f5;--line:#eee;--radius:14px;--shadow:0 8px 24px rgba(0,0,0,.08)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--ink);line-height:1.65;background:var(--bg);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
button{font-family:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;transition:.25s;cursor:pointer;border:0;line-height:1}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(230,58,48,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(230,58,48,.42)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.18)}
.btn-line{border:1px solid var(--line);color:var(--ink);background:#fff}
.btn-line:hover{border-color:var(--brand);color:var(--brand)}
.btn-lg{padding:16px 36px;font-size:16px}
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:.3s;background:transparent}
.nav.scrolled{background:rgba(22,21,30,.88);backdrop-filter:blur(12px);box-shadow:0 2px 16px rgba(0,0,0,.18)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:9px;font-size:19px;font-weight:800;color:#fff}
.logo-img{height:34px;width:auto}
.logo b{color:#ff7a2f}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links>li{position:relative}
.nav-links>li>a{display:flex;align-items:center;gap:6px;padding:10px 14px;color:rgba(255,255,255,.92);font-size:15px;font-weight:500;border-radius:8px;transition:.2s}
.nav-links>li>a:hover{color:#fff;background:rgba(255,255,255,.1)}
.arrow{display:inline-block;font-size:10px;transition:transform .3s}
.nav-links>li:hover .arrow{transform:rotate(180deg)}
.drop{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);background:#fff;border-radius:12px;box-shadow:0 14px 36px rgba(0,0,0,.2);padding:10px;min-width:196px;opacity:0;visibility:hidden;transition:.25s}
.nav-links>li:hover .drop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(4px)}
.drop a{display:block;padding:9px 14px;border-radius:8px;color:#333;font-size:14px;white-space:nowrap}
.drop a:hover{background:#fff2ee;color:var(--brand)}
.nav-cta{display:inline-flex;align-items:center;gap:7px;background:var(--grad);color:#fff;padding:10px 22px;border-radius:999px;font-size:14px;font-weight:700;box-shadow:0 6px 16px rgba(230,58,48,.35);transition:.25s}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(230,58,48,.45)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.burger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.active span:nth-child(2){opacity:0}
.burger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hero{position:relative;background:radial-gradient(1100px 520px at 82% -12%,rgba(255,122,47,.28),transparent 62%),radial-gradient(800px 500px at 8% 30%,rgba(230,58,48,.16),transparent 60%),linear-gradient(158deg,#28263c,#16151f);color:#fff;padding:158px 0 96px;overflow:hidden}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:120px;background:linear-gradient(180deg,transparent,rgba(255,255,255,.05))}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);padding:7px 16px;border-radius:999px;font-size:13px;color:#ffd9c4;margin-bottom:22px}
.hero-badge em{font-style:normal;background:var(--grad);padding:2px 10px;border-radius:999px;color:#fff;font-weight:700}
.hero-title{font-size:clamp(30px,4.4vw,50px);line-height:1.16;font-weight:800;margin-bottom:18px}
.hero-title .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{color:rgba(255,255,255,.72);font-size:17px;margin-bottom:30px;max-width:520px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero-stats{display:flex;gap:42px;flex-wrap:wrap}
.stat-num{font-size:30px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{color:rgba(255,255,255,.62);font-size:13px;margin-top:2px}
.demo{margin-top:6px}
.demo-win{background:#1e1d2a;border-radius:16px;box-shadow:0 26px 64px rgba(0,0,0,.45);overflow:hidden;border:1px solid rgba(255,255,255,.09)}
.demo-top{display:flex;align-items:center;gap:7px;padding:12px 16px;background:#272636;border-bottom:1px solid rgba(255,255,255,.07)}
.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-title{margin-left:10px;color:#c9c6dd;font-size:12px}
.demo-menu{display:flex;gap:18px;padding:8px 14px;background:#2b2a3c;color:#b7b3cf;font-size:12.5px;border-bottom:1px solid rgba(255,255,255,.06)}
.demo-menu span:first-child{color:#fff;font-weight:700;border-bottom:2px solid var(--brand2);padding-bottom:2px}
.demo-tools{display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding:10px 12px;background:#242336;border-bottom:1px solid rgba(255,255,255,.06)}
.tool{min-width:34px;height:31px;padding:0 11px;border-radius:7px;background:#353351;color:#e8e5ff;border:1px solid transparent;font-size:13px;cursor:pointer;transition:.2s;display:inline-flex;align-items:center;justify-content:center}
.tool:hover{background:#423e63}
.tool.on{background:var(--grad);color:#fff}
.tool.sel{padding:0 6px;appearance:none}
.demo-body{padding:16px}
.demo-doc{background:#fff;border-radius:8px;min-height:236px;overflow:hidden;display:flex;flex-direction:column}
.demo-input{width:100%;border:0;outline:0;resize:none;padding:16px 18px 6px;font-size:14.5px;color:#2c2c34;font-family:inherit;min-height:84px;background:transparent}
.demo-preview{padding:6px 18px 18px;min-height:120px;border-top:1px dashed #eee;font-size:15px;color:#333;white-space:pre-wrap;word-break:break-word}
.demo-hint{padding:10px 18px;color:#9aa0b4;font-size:12px}
.section{padding:86px 0}
.section.alt{background:var(--bg2)}
.sec-head{text-align:center;max-width:700px;margin:0 auto 48px}
.sec-kicker{display:inline-block;color:var(--brand);font-weight:800;font-size:13px;letter-spacing:3px;margin-bottom:10px}
.sec-title{font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:12px}
.sec-sub{color:var(--sub);font-size:15.5px}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:.3s;position:relative;overflow:hidden}
.feat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:.35s}
.feat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.feat-card:hover::before{transform:scaleX(1)}
.feat-ico{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:21px;font-weight:800;background:linear-gradient(135deg,rgba(255,122,47,.14),rgba(230,58,48,.14));color:var(--brand);margin-bottom:16px}
.feat-name{font-size:17px;font-weight:700;margin-bottom:8px}
.feat-desc{color:var(--sub);font-size:14px}
.tpl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tpl-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;cursor:pointer}
.tpl-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.tpl-thumb{height:150px;position:relative;background:var(--bg2);padding:20px}
.tpl-thumb::before{content:"";position:absolute;left:20px;top:22px;width:64%;height:14px;border-radius:4px;background:var(--grad);opacity:.85}
.tpl-thumb::after{content:"";position:absolute;left:20px;top:48px;width:86%;height:7px;border-radius:4px;background:#d9d7de}
.tpl-card:nth-child(2) .tpl-thumb::after{width:70%}
.tpl-card:nth-child(3) .tpl-thumb::before{width:44%}
.tpl-card:nth-child(4) .tpl-thumb::before{width:52%;background:linear-gradient(135deg,#4a7dff,#6b5bff)}
.tpl-card:nth-child(5) .tpl-thumb::before{width:74%;background:linear-gradient(135deg,#1fbf8f,#0aa3a3)}
.tpl-card:nth-child(6) .tpl-thumb::before{width:38%;background:linear-gradient(135deg,#f5a623,#ff7a2f)}
.tpl-name{padding:14px 18px 6px;font-weight:700;font-size:15px}
.tpl-tag{padding:0 18px 16px;color:var(--sub);font-size:13px}
.collab-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.collab-list li{display:flex;gap:14px;margin-bottom:22px}
.collab-ico{flex:0 0 46px;height:46px;border-radius:12px;background:linear-gradient(135deg,rgba(255,122,47,.15),rgba(230,58,48,.15));color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800}
.collab-name{font-weight:700;font-size:16px;margin-bottom:4px}
.collab-desc{color:var(--sub);font-size:14px}
.collab-visual{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:26px;position:relative}
.mock-bar{display:flex;align-items:center;gap:8px;margin-bottom:18px}
.mock-dot{width:9px;height:9px;border-radius:50%;background:#e3e1e9}
.mock-title{margin-left:8px;font-size:13px;color:var(--sub)}
.mock-line{height:10px;border-radius:5px;background:#f0eef5;margin-bottom:12px}
.mock-line.w60{width:60%}.mock-line.w40{width:40%}
.mock-cursors{position:absolute;right:-14px;top:-14px;display:flex}
.mock-ava{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px;border:3px solid #fff}
.mock-ava.a1{background:linear-gradient(135deg,#ff7a2f,#e63a30)}
.mock-ava.a2{background:linear-gradient(135deg,#4a7dff,#6b5bff);margin-left:-10px}
.mock-ava.a3{background:linear-gradient(135deg,#1fbf8f,#0aa3a3);margin-left:-10px}
.compat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.compat-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 12px;text-align:center;transition:.25s}
.compat-item:hover{border-color:var(--brand);transform:translateY(-4px)}
.compat-ico{font-size:22px;font-weight:800;color:var(--brand);margin-bottom:8px}
.compat-name{font-size:13.5px;font-weight:600}
.compat-sub{font-size:11.5px;color:var(--sub)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:stp}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;position:relative;transition:.3s}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.step-num{width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;margin-bottom:16px;box-shadow:0 8px 18px rgba(230,58,48,.3)}
.step-name{font-size:17px;font-weight:700;margin-bottom:8px}
.step-desc{color:var(--sub);font-size:14px}
.scen-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scen-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:.3s}
.scen-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(230,58,48,.3)}
.scen-ico{width:50px;height:50px;border-radius:13px;background:var(--bg2);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:800;margin-bottom:14px}
.scen-name{font-size:16px;font-weight:700;margin-bottom:8px}
.scen-desc{color:var(--sub);font-size:14px}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px 28px;display:flex;flex-direction:column;position:relative;transition:.3s}
.plan:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.plan-hot{border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;box-shadow:0 18px 44px rgba(230,58,48,.16)}
.plan-tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12.5px;font-weight:700;padding:5px 18px;border-radius:999px;white-space:nowrap}
.plan-name{font-size:18px;font-weight:800;margin-bottom:14px}
.plan-price{font-size:42px;font-weight:800;line-height:1}
.plan-price small{font-size:15px;font-weight:500;color:var(--sub)}
.plan-desc{color:var(--sub);font-size:13px;margin:10px 0 20px}
.plan-list{flex:1;margin-bottom:24px}
.plan-list li{display:flex;gap:9px;align-items:flex-start;padding:7px 0;font-size:14px;color:#444}
.plan-list li::before{content:"✓";color:var(--brand);font-weight:800;flex:0 0 auto}
.plan-btn{width:100%}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden;transition:.25s}
.faq-item.open{border-color:rgba(230,58,48,.35);box-shadow:var(--shadow)}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:18px 22px;font-weight:700;font-size:15.5px;cursor:pointer;user-select:none}
.faq-q .faq-ic{flex:0 0 26px;height:26px;border-radius:50%;background:var(--bg2);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:15px;transition:.3s;font-weight:800}
.faq-item.open .faq-ic{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 22px 20px;color:#555;font-size:14.5px}
.faq-a ol{margin:8px 0 0 20px}
.faq-a li{margin-bottom:6px}
.testi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.testi-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.3s}
.testi-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.testi-head{display:flex;align-items:center;gap:13px;margin-bottom:14px}
.avatar{width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;flex:0 0 auto}
.avatar.v2{background:linear-gradient(135deg,#4a7dff,#6b5bff)}
.avatar.v3{background:linear-gradient(135deg,#1fbf8f,#0aa3a3)}
.avatar.v4{background:linear-gradient(135deg,#f5a623,#ff7a2f)}
.testi-name{font-weight:700;font-size:15px}
.testi-role{color:var(--sub);font-size:12.5px}
.stars{color:#ffb400;font-size:14px;letter-spacing:2px;margin-left:auto}
.testi-text{color:#444;font-size:14.5px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.news-cover{aspect-ratio:16/9;object-fit:cover;width:100%}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.news-tag{align-self:flex-start;background:linear-gradient(135deg,rgba(255,122,47,.14),rgba(230,58,48,.14));color:var(--brand);font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;margin-bottom:10px}
.news-title{font-size:16.5px;font-weight:700;line-height:1.45;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-title{color:var(--brand)}
.news-desc{color:var(--sub);font-size:13.5px;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{color:#9aa0b4;font-size:12.5px;margin-top:12px;display:flex;gap:14px}
.news-more{text-align:center;margin-top:38px}
.cta-band{position:relative;background:radial-gradient(900px 400px at 20% 0,rgba(255,122,47,.3),transparent 60%),linear-gradient(150deg,#2a283e,#17151f);border-radius:24px;padding:64px 40px;text-align:center;color:#fff;overflow:hidden}
.cta-title{font-size:clamp(24px,3.2vw,36px);font-weight:800;margin-bottom:14px}
.cta-sub{color:rgba(255,255,255,.7);max-width:560px;margin:0 auto 28px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.footer{background:#14131c;color:rgba(255,255,255,.72);padding:60px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:42px}
.foot-brand .logo{color:#fff;margin-bottom:14px}
.foot-about{font-size:13.5px;line-height:1.8}
.foot-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:16px}
.foot-links li{margin-bottom:10px}
.foot-links a{font-size:13.5px;transition:.2s}
.foot-links a:hover{color:#ff8a6b}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;font-size:12.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--sub);align-items:center}
.crumb a{color:var(--sub);transition:.2s}
.crumb a:hover{color:var(--brand)}
.crumb span{color:var(--ink);font-weight:600}
.page-hero{background:radial-gradient(900px 380px at 80% -20%,rgba(255,122,47,.24),transparent 60%),linear-gradient(158deg,#28263c,#16151f);color:#fff;padding:130px 0 64px;text-align:center}
.page-title{font-size:clamp(26px,3.6vw,40px);font-weight:800;margin-bottom:12px}
.page-sub{color:rgba(255,255,255,.68);max-width:640px;margin:0 auto}
.news-list-wrap{padding:54px 0 86px}
.news-row{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.news-card.h{flex-direction:row;align-items:stretch}
.news-card.h .news-cover{width:240px;aspect-ratio:auto;min-height:100%;object-fit:cover}
.art-wrap{padding:46px 0 86px}
.art-grid{display:grid;grid-template-columns:1fr 316px;gap:36px;align-items:start}
.art-main{background:#fff;border:1px solid var(--line);border-radius:16px;padding:36px;overflow:hidden}
.art-title{font-size:clamp(22px,2.8vw,30px);font-weight:800;line-height:1.35;margin:16px 0 14px}
.art-meta{display:flex;gap:18px;flex-wrap:wrap;color:#9aa0b4;font-size:13px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:22px}
.art-meta b{color:var(--brand);font-weight:600}
.art-cover{width:100%;border-radius:12px;aspect-ratio:16/9;object-fit:cover;margin-bottom:26px}
.art-body h2{font-size:21px;font-weight:800;margin:30px 0 14px;padding-left:13px;border-left:4px solid var(--brand)}
.art-body p{margin-bottom:16px;color:#444;font-size:15.5px;text-align:justify}
.art-body img{width:100%;border-radius:12px;aspect-ratio:2/1;object-fit:cover;margin:20px 0}
.art-body blockquote{margin:20px 0;padding:16px 20px;background:#fff6f2;border-left:4px solid var(--brand2);border-radius:0 10px 10px 0;color:#555;font-size:15px}
.art-cta{margin-top:26px;background:linear-gradient(135deg,rgba(255,122,47,.1),rgba(230,58,48,.1));border:1px dashed rgba(230,58,48,.35);border-radius:14px;padding:24px;text-align:center}
.art-cta p{font-weight:700;margin-bottom:14px}
.comments{margin-top:36px;border-top:1px solid var(--line);padding-top:28px}
.comments-title{font-size:18px;font-weight:800;margin-bottom:18px}
.com-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line)}
.com-avatar{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:16px;flex:0 0 auto}
.com-name{font-weight:700;font-size:14px}
.com-date{color:#9aa0b4;font-size:12px;margin-left:10px}
.com-text{color:#555;font-size:14px;margin-top:4px}
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.pn-item{border:1px solid var(--line);border-radius:12px;padding:16px 18px;transition:.25s;display:block}
.pn-item:hover{border-color:var(--brand)}
.pn-item small{color:var(--sub);font-size:12px}
.pn-item p{font-size:14px;font-weight:600;margin-top:4px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.pn-item.next{text-align:right}
.related{margin-top:34px}
.rel-title{font-size:18px;font-weight:800;margin-bottom:16px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rel-card{border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.25s;display:block}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.rel-card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.rel-card p{padding:12px 14px;font-size:13.5px;font-weight:600;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.aside{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:22px}
.side-title{font-size:16px;font-weight:800;padding-left:12px;border-left:4px solid var(--brand);margin-bottom:16px}
.toc-list{position:relative}
.toc-list::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:#eee}
.toc-item{position:relative;display:block;padding:7px 0 7px 24px;color:#555;font-size:13.5px;line-height:1.5;transition:.2s}
.toc-item::before{content:"";position:absolute;left:1px;top:13px;width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid #d8d4e2;transition:.2s}
.toc-item:hover{color:var(--brand)}
.toc-item.active{color:var(--brand);font-weight:700}
.toc-item.active::before{background:var(--brand);border-color:var(--brand)}
.hot-item{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);transition:.2s}
.hot-item:last-child{border-bottom:0}
.hot-item:hover .hot-name{color:var(--brand)}
.rank-badge{flex:0 0 24px;height:24px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:800;color:#fff;background:#c9c6d4;transition:.2s}
.hot-item:hover .rank-badge{transform:scale(1.12)}
.rank-badge.r1{background:linear-gradient(135deg,#ff7a2f,#e63a30)}
.rank-badge.r2{background:linear-gradient(135deg,#ffa94d,#ff7a2f)}
.rank-badge.r3{background:linear-gradient(135deg,#ffd66b,#f5a623)}
.hot-name{font-size:13.5px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tag-pills{display:flex;flex-wrap:wrap;gap:9px}
.tag-pill{border:1px solid var(--line);border-radius:999px;padding:5px 14px;font-size:12.5px;color:#555;transition:.2s}
.tag-pill:hover{border-color:var(--brand);color:var(--brand)}
.dl-hero{background:radial-gradient(1100px 520px at 85% -10%,rgba(255,122,47,.28),transparent 62%),linear-gradient(158deg,#28263c,#16151f);color:#fff;padding:150px 0 92px}
.dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.dl-info h1{font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.2;margin:18px 0 14px}
.dl-info .hero-sub{margin-bottom:28px}
.dl-stats{display:flex;gap:36px;flex-wrap:wrap;margin-top:34px}
.dl-stats .stat-num{font-size:24px}
.ver-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ver-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;display:flex;flex-direction:column;transition:.3s}
.ver-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(230,58,48,.3)}
.ver-ico{font-size:26px;font-weight:800;color:var(--brand);margin-bottom:10px}
.ver-name{font-weight:700;font-size:15.5px}
.ver-size{color:var(--sub);font-size:12.5px;margin:4px 0 12px}
.ver-list{flex:1;margin-bottom:16px}
.ver-list li{font-size:13px;color:#555;padding:4px 0}
.ver-list li::before{content:"✓ ";color:var(--brand);font-weight:800}
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.sys-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 18px}
.sys-item b{display:block;font-size:15px;margin-bottom:6px}
.sys-item span{color:var(--sub);font-size:13.5px}
.install-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.in-step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px;text-align:center;transition:.3s}
.in-step:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.in-num{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.in-name{font-weight:700;font-size:15.5px;margin-bottom:8px}
.in-desc{color:var(--sub);font-size:13.5px}
.map-wrap{padding:54px 0 86px}
.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.map-col{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
.map-col h2{font-size:17px;font-weight:800;margin-bottom:16px;padding-left:12px;border-left:4px solid var(--brand)}
.map-col a{display:block;padding:7px 0;color:#555;font-size:14px;transition:.2s}
.map-col a:hover{color:var(--brand);transform:translateX(4px)}
.e404{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(900px 400px at 50% -10%,rgba(255,122,47,.25),transparent 60%),linear-gradient(158deg,#28263c,#16151f);color:#fff;text-align:center;padding:24px}
.e404-num{font-size:clamp(90px,18vw,170px);font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.e404 h1{font-size:24px;margin:16px 0 10px}
.e404 p{color:rgba(255,255,255,.66);margin-bottom:28px}
.rv{opacity:1;transform:none}
html.js .rv{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
html.js .rv.in{opacity:1;transform:translateY(0)}
.back-top{position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;border:0;cursor:pointer;box-shadow:0 8px 20px rgba(230,58,48,.35);display:none;align-items:center;justify-content:center;font-size:18px;z-index:90}
.back-top.show{display:flex}
@media(max-width:992px){
.hero-grid,.collab-grid,.dl-grid,.art-grid{grid-template-columns:1fr;gap:36px}
.hero{padding:140px 0 80px}
.feat-grid{grid-template-columns:repeat(2,1fr)}
.tpl-grid{grid-template-columns:repeat(2,1fr)}
.compat-grid{grid-template-columns:repeat(3,1fr)}
.scen-grid{grid-template-columns:repeat(2,1fr)}
.price-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto}
.plan-hot{order:-1}
.news-grid{grid-template-columns:repeat(2,1fr)}
.news-row{grid-template-columns:1fr}
.ver-grid{grid-template-columns:repeat(2,1fr)}
.sys-grid{grid-template-columns:repeat(2,1fr)}
.install-grid{grid-template-columns:repeat(2,1fr)}
.map-grid{grid-template-columns:1fr}
.foot-grid{grid-template-columns:1fr 1fr}
.steps-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto}
.aside{position:static}
.burger{display:flex}
.nav-links{position:fixed;top:68px;left:0;right:0;background:rgba(22,21,30,.97);flex-direction:column;align-items:stretch;padding:12px 20px 24px;gap:2px;max-height:0;overflow:hidden;opacity:0;transition:.3s}
.nav-links.open{max-height:82vh;overflow-y:auto;opacity:1}
.nav-links>li>a{color:#fff;padding:13px 10px;font-size:16px;justify-content:space-between;width:100%}
.nav-links>li>a:hover{background:rgba(255,255,255,.08)}
.drop{position:static;transform:none;opacity:1;visibility:visible;background:rgba(255,255,255,.06);box-shadow:none;border-radius:10px;margin:0 10px;display:none}
.nav-links>li.open .drop{display:block}
.nav-links>li.open .arrow{transform:rotate(180deg)}
.drop a{color:rgba(255,255,255,.85)}
.drop a:hover{background:rgba(255,255,255,.1);color:#ff8a6b}
.nav-cta{margin-top:10px;justify-content:center}
}
@media(max-width:768px){
.wrap{padding:0 18px}
.feat-grid,.tpl-grid,.compat-grid,.scen-grid,.news-grid,.ver-grid,.sys-grid,.install-grid,.rel-grid,.testi-grid{grid-template-columns:1fr}
.compat-grid{grid-template-columns:repeat(2,1fr)}
.hero-stats{justify-content:space-between}
.hero-btns .btn{padding:13px 22px}
.news-card.h{flex-direction:column}
.news-card.h .news-cover{width:100%;aspect-ratio:16/9;min-height:auto}
.art-main{padding:22px}
.prevnext{grid-template-columns:1fr}
.foot-grid{grid-template-columns:1fr}
.cta-band{padding:48px 22px}
.section{padding:64px 0}
.sec-head{margin-bottom:36px}
.demo-tools{gap:5px}
.tool{min-width:30px;height:29px;padding:0 9px;font-size:12px}
}
@media(max-width:480px){
.hero{padding:124px 0 64px}
.hero-title{font-size:26px}
.hero-sub{font-size:15px}
.stat-num{font-size:24px}
.hero-stats{gap:24px}
.btn{padding:12px 20px;font-size:14px}
.plan{padding:28px 20px}
.faq-q{padding:15px 16px;font-size:14.5px}
.demo-menu{gap:10px;font-size:11.5px}
.demo-body{padding:10px}
.demo-doc{min-height:200px}
.art-body p{font-size:14.5px}
}