/* 炎酷CMS 官网样式 - 科技风 / 响应式 */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --accent:#2563eb;--accent2:#06b6d4;
  --ink:#0f172a;--txt:#475569;--mut:#94a3b8;
  --bg:#f6f8fc;--card:#fff;--line:#e6ebf3;
  --dark:#0b1220;--dark2:#111c33;
}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;font-size:15px;color:var(--txt);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--accent);text-decoration:none;transition:color .2s}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 15px}
::selection{background:var(--accent);color:#fff}

/* ---------- 按钮 ---------- */
.btn{display:inline-block;padding:11px 30px;border-radius:10px;font-size:15px;font-weight:600;transition:all .25s;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 6px 18px rgba(37,99,235,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(37,99,235,.45);color:#fff}
.btn-ghost{border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-outline{border:1px solid var(--accent);color:var(--accent)}
.btn-outline:hover{background:var(--accent);color:#fff}
.btn-light{background:#fff;color:var(--accent)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.18);color:var(--accent)}
.btn-gray{background:#cbd5e1;color:#475569}
.btn-lg{padding:14px 42px;font-size:16px}

/* ---------- 导航 ---------- */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line)}
.nav-in{max-width:1200px;margin:0 auto;padding:0 15px;height:64px;display:flex;align-items:center;gap:28px}
.logo{font-size:21px;font-weight:800;color:var(--ink);letter-spacing:1px}
.logo-badge{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border-radius:8px;padding:2px 9px;margin-right:2px;font-size:18px}
.nav-menu{display:flex;gap:4px;flex:1}
.nav-menu a{display:block;padding:8px 16px;border-radius:8px;color:var(--txt);font-size:15px}
.nav-menu a:hover{color:var(--accent);background:rgba(37,99,235,.07)}
.nav-menu a.on{color:var(--accent);background:rgba(37,99,235,.1);font-weight:600}
.nav-cta{padding:8px 20px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-size:14px;font-weight:600}
.nav-cta:hover{color:#fff;box-shadow:0 4px 14px rgba(37,99,235,.4)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:40px;height:38px;cursor:pointer;margin-left:auto}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);margin:4px auto;border-radius:2px}

/* ---------- Hero ---------- */
.hero{position:relative;background:radial-gradient(1200px 500px at 70% -10%,#1e3a8a 0%,transparent 60%),radial-gradient(900px 420px at 15% 110%,#0e7490 0%,transparent 55%),var(--dark);color:#fff;overflow:hidden}
.hero-glow{position:absolute;inset:0;background:radial-gradient(600px 300px at 50% 0,rgba(37,99,235,.25),transparent 70%)}
.hero-in{position:relative;text-align:center;padding:96px 15px 84px}
.hero-badge{display:inline-block;font-size:13px;color:#a5c8ff;border:1px solid rgba(165,200,255,.35);background:rgba(37,99,235,.12);padding:5px 16px;border-radius:30px;margin-bottom:22px;letter-spacing:1px}
.hero h1{font-size:52px;font-weight:800;letter-spacing:2px}
.hero h1 em{font-style:normal;background:linear-gradient(135deg,#60a5fa,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin:18px auto 34px;font-size:17px;color:#b6c4dd;line-height:1.9}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:flex;gap:56px;justify-content:center;margin-top:56px;flex-wrap:wrap}
.hero-stats b{display:block;font-size:30px;font-weight:800;background:linear-gradient(135deg,#93c5fd,#67e8f9);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{font-size:13px;color:#8fa3c4}

/* ---------- 通用区块 ---------- */
.sec{padding:72px 0}
.sec-dark{background:linear-gradient(160deg,var(--dark) 0%,var(--dark2) 100%);color:#c6d2e4}
.sec-tt{text-align:center;margin-bottom:44px}
.sec-tt span{font-size:12px;letter-spacing:3px;color:var(--accent);font-weight:700}
.sec-tt h2{font-size:32px;color:var(--ink);margin:8px 0 10px}
.sec-dark .sec-tt h2{color:#fff}
.sec-tt p{color:var(--mut)}
.sec-tt.left{text-align:left;margin-bottom:26px}
.sec-more{text-align:center;margin-top:36px}

.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px;transition:all .25s;box-shadow:0 1px 3px rgba(15,23,42,.04)}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(15,23,42,.1)}

/* 功能卡 */
.feat h3{font-size:17px;color:var(--ink);margin:14px 0 8px}
.feat p{font-size:14px;color:var(--txt)}
.feat-ico{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(6,182,212,.12));display:flex;align-items:center;justify-content:center;font-size:24px}
.feat-lg{display:flex;gap:18px;align-items:flex-start}
.feat-lg h3{margin:0 0 6px}
.feat-lg .feat-ico{flex:none}

/* 帮助卡 */
.help-card{display:block;color:var(--txt)}
.help-card h3{font-size:17px;color:var(--ink);margin-bottom:8px}
.help-card p{font-size:14px}
.help-card .more{display:inline-block;margin-top:12px;font-size:13px;color:var(--accent);font-weight:600}

/* 首页双栏 */
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.ticks li{position:relative;padding:10px 0 10px 30px;font-size:15px}
.ticks li::before{content:"";position:absolute;left:0;top:16px;width:16px;height:16px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 0 12px rgba(6,182,212,.5)}
.ticks b{color:#fff}
.split .btn{margin-top:18px}
.split-panel{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.panel-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:20px;font-size:14px;color:#aebdd6;transition:all .25s}
.panel-card:hover{background:rgba(255,255,255,.09);transform:translateY(-3px)}
.panel-card span{display:block;font-size:24px;font-weight:800;background:linear-gradient(135deg,#93c5fd,#67e8f9);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:4px}

/* CTA */
.cta{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff}
.cta-in{text-align:center;padding:64px 15px}
.cta h2{font-size:30px;margin-bottom:10px}
.cta p{opacity:.9;margin-bottom:26px}

/* ---------- 内页头 ---------- */
.page-hero{background:radial-gradient(900px 380px at 75% -20%,#1e3a8a 0%,transparent 60%),var(--dark);color:#fff;padding:56px 0}
.page-hero h1{font-size:34px;margin:10px 0 8px}
.page-hero p{color:#aebdd6}
.crumb{font-size:13px;color:#8fa3c4}
.crumb a{color:#8fa3c4}
.crumb a:hover{color:#fff}

/* ---------- 文档 ---------- */
.doc-layout{display:grid;grid-template-columns:240px 1fr;gap:22px;align-items:start}
.doc-single{max-width:860px}
.doc-side{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;position:sticky;top:84px}
.doc-side-tt{padding:14px 20px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent2))}
.doc-side a{display:block;padding:12px 20px;color:var(--txt);font-size:14px;border-bottom:1px solid #f1f5f9}
.doc-side a:last-child{border-bottom:none}
.doc-side a:hover{color:var(--accent);background:#f8faff}
.doc-side a.on{color:var(--accent);font-weight:700;background:#f8faff;border-left:3px solid var(--accent);padding-left:17px}
.doc-body{padding:38px 44px;font-size:15px;color:#3f4c63}
.doc-body h3{color:var(--ink);margin:1.4em 0 .6em;font-size:18px}
.doc-body h3:first-child{margin-top:0}
.doc-body p{margin:0 0 1em}
.doc-body ul,.doc-body ol{margin:0 0 1em;padding-left:1.4em}
.doc-body ul li{list-style:disc;margin-bottom:6px}
.doc-body ol li{list-style:decimal;margin-bottom:6px}
.doc-body code{background:#f1f5f9;padding:2px 7px;border-radius:5px;color:#be185d;font-size:13px}
.doc-body table{width:100%;border-collapse:collapse;display:block;overflow-x:auto}
.doc-body a{text-decoration:underline}

/* ---------- 下载页 ---------- */
.dl-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:22px;align-items:start}
.dl-card{text-align:center;padding:44px 34px}
.dl-ver{display:inline-block;font-size:14px;font-weight:700;color:var(--accent);background:rgba(37,99,235,.1);padding:4px 16px;border-radius:20px;margin-bottom:12px}
.dl-card h2{font-size:24px;color:var(--ink);margin-bottom:22px}
.dl-meta{width:100%;max-width:460px;margin:0 auto 26px;border-collapse:collapse}
.dl-meta th,.dl-meta td{border:1px solid var(--line);padding:10px 14px;font-size:14px;text-align:left}
.dl-meta th{background:#f8fafc;color:#64748b;width:38%;font-weight:600}
.dl-tip{margin-top:16px;font-size:13px;color:var(--mut)}
.dl-side h3{font-size:17px;color:var(--ink);margin-bottom:16px}
.log-item{border-left:3px solid var(--accent);padding:2px 0 2px 16px;margin-bottom:22px}
.log-item b{font-size:15px;color:var(--ink)}
.log-item span{font-size:12px;color:var(--mut);margin-left:8px}
.log-item ul{margin-top:8px;padding-left:1.2em}
.log-item li{list-style:disc;font-size:13.5px;margin-bottom:4px}

/* ---------- 404 ---------- */
.nf{text-align:center;padding:40px 0}
.nf-code{font-size:84px;font-weight:800;color:#dbe4f0;line-height:1}
.nf p{margin:14px 0 24px;color:var(--mut)}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:#8fa3c4;font-size:14px}
.footer-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding:52px 15px 40px}
.f-logo{font-size:20px;font-weight:800;color:#fff;margin-bottom:12px}
.f-desc{font-size:13.5px;line-height:1.9}
.f-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.f-col a{display:block;color:#8fa3c4;padding:5px 0}
.f-col a:hover{color:#fff}
.f-bar{border-top:1px solid rgba(255,255,255,.08);padding:16px 0;font-size:13px;color:#64748b}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  html,body{overflow-x:hidden}
  .sec{padding:52px 0}
  .hero-in{padding:64px 15px 56px}
  .hero h1{font-size:38px}
  .hero-sub{font-size:15px}
  .hero-stats{gap:34px;margin-top:42px}
  .hero-stats b{font-size:24px}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:30px}
  .doc-layout{grid-template-columns:1fr}
  .doc-side{position:static}
  .doc-body{padding:24px 20px}
  .dl-layout{grid-template-columns:1fr}
  .footer-in{grid-template-columns:1fr 1fr;gap:24px;padding:40px 15px 30px}
  .cta h2{font-size:24px}
  .page-hero{padding:42px 0}
  .page-hero h1{font-size:26px}
  .nav-menu{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:8px 12px;box-shadow:0 14px 30px rgba(15,23,42,.12);border-top:1px solid var(--line)}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 14px;border-bottom:1px solid #f1f5f9}
  .nav-menu a:last-child{border-bottom:none}
  .nav-toggle{display:block}
  .nav-cta{display:none}
}

/* ---------- 最新动态 ---------- */
.news-list{display:flex;flex-direction:column;gap:16px;max-width:900px;margin:0 auto}
.news-item{display:block;padding:24px 28px;color:inherit}
.news-item:hover{text-decoration:none;transform:translateY(-2px)}
.news-item h3{font-size:18px;color:var(--ink);margin-bottom:8px}
.news-meta{font-size:12px;color:var(--mut);margin-bottom:8px}
.news-item p{color:var(--txt);font-size:14px;line-height:1.8;margin-bottom:10px}
.news-item .more{color:var(--accent);font-size:13px}
.news-pager{text-align:center;margin-top:24px}
.news-pager a{display:inline-block;padding:6px 14px;border:1px solid var(--line);border-radius:6px;margin:0 3px;color:var(--txt);background:var(--card)}
.news-pager a.on{background:var(--accent);color:#fff;border-color:var(--accent)}

/* ---------- 更新日志页 ---------- */
.cl-page{max-width:820px;margin:0 auto}
.cl-page .log-item{margin-bottom:26px}

/* ---------- 关于我们：左内容 + 右留言表单 ---------- */
.about-cols{display:flex;gap:26px;align-items:flex-start;max-width:1100px;margin:0 auto}
.about-main{flex:1;min-width:0}
.about-side{flex:none;width:380px}
.msg-card{padding:28px 30px}
.msg-card h3{font-size:18px;color:var(--ink);margin-bottom:6px}
.msg-sub{color:var(--mut);font-size:13px;margin:0 0 18px}
.msg-tip{padding:10px 14px;border-radius:8px;font-size:14px;margin-bottom:14px}
.msg-tip.ok{background:#e8f7ee;color:#1a9b4c;border:1px solid #b7e6c8}
.msg-tip.err{background:#fdecea;color:#d93025;border:1px solid #f5c6c2}
.msg-row{margin-bottom:14px}
.msg-row label{display:block;font-size:13px;color:var(--txt);margin-bottom:5px}
.msg-row label i{color:#d93025;font-style:normal}
.msg-row input[type=text],.msg-row textarea{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;background:#fff}
.msg-row input:focus,.msg-row textarea:focus{border-color:var(--accent);outline:none}
.msg-row textarea{resize:vertical}
.msg-cap{display:flex;gap:10px;align-items:center}
.msg-cap input{flex:1}
.msg-cap img,.msg-cap .cap-txt{height:40px;border:1px solid var(--line);border-radius:8px;cursor:pointer;background:#f5f7fa;padding:0 10px;display:flex;align-items:center;color:var(--accent);font-size:15px;white-space:nowrap;box-sizing:border-box}
@media(max-width:900px){
  .about-cols{flex-direction:column}
  .about-side{width:100%}
}

/* ---------- 增值服务 ---------- */
.svc-item h3{font-size:16px;color:var(--ink);margin-bottom:8px}
.svc-item p{font-size:13.5px;color:var(--txt);line-height:1.8}
.sec-dark .svc-item h3{color:#fff}
.svc-table-card{max-width:860px;margin:0 auto;padding:10px 26px 26px}
.svc-table{width:100%;border-collapse:collapse}
.svc-table th,.svc-table td{border-bottom:1px solid var(--line);padding:13px 10px;text-align:left;font-size:14px}
.svc-table th{color:var(--ink);font-weight:700}
.svc-table td:first-child{color:var(--ink);font-weight:600;white-space:nowrap}
.svc-table tr:last-child td{border-bottom:none}
@media(max-width:767px){
  .svc-table th,.svc-table td{padding:10px 6px;font-size:13px}
}

/* ---------- 首页 hero 装饰动效层 ---------- */
.hero-deco{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-in{z-index:1}
/* 缓慢流动的渐变光斑 */
.hero-aurora{position:absolute;inset:-20%;background:radial-gradient(500px 260px at 22% 30%,rgba(37,99,235,.20),transparent 70%),radial-gradient(460px 240px at 78% 66%,rgba(6,182,212,.16),transparent 70%);animation:wwDrift 16s ease-in-out infinite alternate}
/* 悬浮科技图标：漂浮 + 呼吸辉光 */
.hero-ico{position:absolute;color:#7fb0ff;opacity:.5;animation:wwFloatY 6s ease-in-out infinite,wwTwinkle 4s ease-in-out infinite}
.hero-ico svg{width:100%;height:100%;filter:drop-shadow(0 0 6px rgba(96,165,250,.45))}
.hero-ico.d1{left:6%;top:16%;width:44px;height:44px;animation-duration:7s,4.5s}
.hero-ico.d2{right:8%;top:14%;width:40px;height:40px;color:#67e8f9;animation-duration:8s,5s;animation-delay:.8s,.3s}
.hero-ico.d3{left:12%;bottom:20%;width:46px;height:46px;color:#93c5fd;animation-duration:6.5s,4s;animation-delay:1.6s,.9s}
.hero-ico.d4{right:13%;bottom:24%;width:42px;height:42px;animation-duration:7.5s,4.8s;animation-delay:.4s,1.4s}
.hero-ico.d5{left:26%;top:8%;width:30px;height:30px;color:#67e8f9;animation-duration:6s,3.6s;animation-delay:2s,.6s}
.hero-ico.d6{right:26%;top:10%;width:28px;height:28px;color:#93c5fd;animation-duration:8.5s,5.2s;animation-delay:1s,2s}
/* 星星粒子闪烁 */
.hero-star{position:absolute;width:4px;height:4px;border-radius:50%;background:#bfdbfe;box-shadow:0 0 6px rgba(147,197,253,.8);animation:wwTwinkle 3s ease-in-out infinite}
.hero-star.s1{left:18%;top:34%;animation-delay:.2s}
.hero-star.s2{left:36%;top:12%;width:3px;height:3px;animation-delay:1.1s}
.hero-star.s3{right:18%;top:38%;animation-delay:1.8s}
.hero-star.s4{right:34%;top:8%;width:3px;height:3px;animation-delay:.6s}
.hero-star.s5{left:9%;top:56%;width:3px;height:3px;animation-delay:2.4s}
.hero-star.s6{right:9%;top:58%;animation-delay:1.5s}
.hero-star.s7{left:44%;bottom:12%;width:3px;height:3px;animation-delay:2.8s}
.hero-star.s8{right:44%;bottom:18%;animation-delay:.9s}
@keyframes wwFloatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes wwTwinkle{0%,100%{opacity:.22}50%{opacity:.6}}
@keyframes wwDrift{0%{transform:translate(0,0)}100%{transform:translate(4%,3%)}}
/* 移动端精简装饰 */
@media(max-width:767px){
  .hero-ico.d5,.hero-ico.d6,.hero-star.s5,.hero-star.s6,.hero-star.s7,.hero-star.s8{display:none}
  .hero-ico{width:26px;height:26px;opacity:.35}
  .hero-ico.d1{width:26px}.hero-ico.d2{width:24px}.hero-ico.d3{width:26px}.hero-ico.d4{width:24px}
}
/* 减少动态偏好：停用全部动画 */
@media(prefers-reduced-motion:reduce){
  .hero-aurora,.hero-ico,.hero-star{animation:none}
}

/* ---------- hero 卖点徽章与轮换标语 ---------- */
.hero-chips{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:0 auto 16px;max-width:760px}
.hero-chip{font-size:12.5px;color:#c7dcff;border:1px solid rgba(147,197,253,.35);background:rgba(37,99,235,.10);padding:5px 15px;border-radius:30px;letter-spacing:.5px;animation:wwChipGlow 5s ease-in-out infinite}
.hero-chip.c2{animation-delay:1s}
.hero-chip.c3{animation-delay:2s}
.hero-chip.c4{animation-delay:3s}
.hero-chip.c5{animation-delay:4s}
@keyframes wwChipGlow{0%,100%{box-shadow:0 0 0 rgba(96,165,250,0)}50%{box-shadow:0 0 12px rgba(96,165,250,.35)}}
.hero-rotate{position:relative;height:1.9em;margin-bottom:26px;font-size:15px;color:#8fd8f0;letter-spacing:1px}
.hero-rotate span{position:absolute;left:0;right:0;top:0;opacity:0;animation:wwRotate 12s linear infinite}
.hero-rotate .r2{animation-delay:4s}
.hero-rotate .r3{animation-delay:8s}
@keyframes wwRotate{0%{opacity:0}4%{opacity:1}30%{opacity:1}34%{opacity:0}100%{opacity:0}}
@media(max-width:767px){
  .hero-chips{gap:8px}
  .hero-chip{font-size:12px;padding:4px 12px}
  .hero-rotate{font-size:13.5px}
}
@media(prefers-reduced-motion:reduce){
  .hero-chip{animation:none}
  .hero-rotate span{animation:none;opacity:0}
  .hero-rotate span:first-child{position:static;opacity:1}
}