/* roulang page: index */
:root{
  --bg:#06121f;
  --bg-alt:#0a1b2d;
  --bg-deep:#0d2438;
  --panel:rgba(255,255,255,.05);
  --panel-2:rgba(255,255,255,.085);
  --line:rgba(126,196,255,.16);
  --line-strong:rgba(126,196,255,.36);
  --text:#e9f3ff;
  --text-soft:#a7bdd4;
  --text-dim:#7f97ae;
  --primary:#2fd4c4;
  --primary-2:#1fb6ae;
  --accent:#ffb454;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 6px 18px rgba(0,0,0,.28);
  --shadow:0 16px 40px rgba(0,0,0,.38);
  --shadow-lg:0 26px 60px rgba(0,0,0,.48);
  --container:1180px;
  --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:15px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;letter-spacing:.2px}
p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:9px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn svg{width:17px;height:17px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#04211f;box-shadow:0 10px 24px rgba(47,212,196,.26)}
.btn-primary:hover{background:linear-gradient(135deg,#3ee3d2,#25c7bd);transform:translateY(-2px);box-shadow:0 16px 32px rgba(47,212,196,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(47,212,196,.24)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(47,212,196,.08);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:8px}
.btn-block{width:100%}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:500;
  color:var(--text-soft);background:rgba(255,255,255,.05);
  border:1px solid var(--line);
}
.tag-accent{color:var(--accent);border-color:rgba(255,180,84,.35);background:rgba(255,180,84,.08)}
.tag-primary{color:var(--primary);border-color:rgba(47,212,196,.35);background:rgba(47,212,196,.08)}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--primary);display:inline-block}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:var(--header-h);
  background:rgba(6,18,31,.36);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  backdrop-filter:blur(16px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled{
  background:rgba(6,18,31,.94);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.42);
}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--header-h)}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(47,212,196,.22),rgba(255,180,84,.16));
  border:1px solid rgba(47,212,196,.34);color:var(--primary);
}
.logo-mark svg{width:19px;height:19px}
.logo-text{font-size:16.5px;font-weight:700;letter-spacing:.4px;color:var(--text)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:8px 14px;border-radius:8px;font-size:14.5px;color:var(--text-soft);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-link.active{color:var(--primary);background:rgba(47,212,196,.1)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),rgba(47,212,196,0));
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border-radius:9px;border:1px solid var(--line)}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:calc(var(--header-h) + 72px) 0 64px;
  background-image:linear-gradient(180deg,rgba(6,18,31,.72) 0%,rgba(6,18,31,.88) 62%,var(--bg) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(680px 320px at 20% 8%,rgba(47,212,196,.18),transparent 70%),
             radial-gradient(560px 300px at 88% 20%,rgba(255,180,84,.12),transparent 72%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:920px;margin:0 auto;text-align:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:22px}
.hero h1{
  font-size:clamp(2rem,4.4vw,2.78rem);
  font-weight:800;letter-spacing:.6px;margin:0 0 20px;
  background:linear-gradient(180deg,#ffffff 26%,#b9e6ff 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:15.5px;line-height:1.92;color:var(--text-soft);max-width:820px;margin:0 auto 28px}
.hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:0 0 30px;text-align:left}
.hero-point{
  display:flex;gap:11px;align-items:flex-start;padding:15px 16px;border-radius:var(--radius);
  background:rgba(255,255,255,.055);border:1px solid var(--line);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.hero-point:hover{transform:translateY(-3px);border-color:var(--line-strong);background:rgba(255,255,255,.09)}
.hero-point svg{width:20px;height:20px;flex-shrink:0;color:var(--primary);margin-top:3px}
.hero-point strong{display:block;font-size:14.5px;margin-bottom:3px}
.hero-point span{font-size:13px;color:var(--text-dim);line-height:1.65}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:34px}
.trust-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.trust-item{background:rgba(9,26,43,.86);padding:16px 12px;text-align:center}
.trust-item b{display:block;font-size:17px;color:var(--primary);font-weight:700;letter-spacing:.3px}
.trust-item span{font-size:12.5px;color:var(--text-dim)}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0;position:relative}
.section-alt{background:var(--bg-alt)}
.section-deep{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-deep) 100%)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  letter-spacing:1.4px;color:var(--primary);text-transform:uppercase;margin-bottom:12px;
}
.section-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--primary)}
.section-head.center .section-kicker::before{display:none}
.section-head.center .section-kicker{padding:5px 14px;border-radius:999px;background:rgba(47,212,196,.1);border:1px solid rgba(47,212,196,.26)}
.section-title{font-size:clamp(1.38rem,2.4vw,1.72rem);margin-bottom:12px}
.section-desc{color:var(--text-soft);font-size:14.5px;line-height:1.85}

/* ---------- 卡片通用 ---------- */
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-strong);background:var(--panel-2)}

/* ---------- 入口矩阵 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.entry-card{display:flex;flex-direction:column;padding:24px 22px;position:relative;overflow:hidden}
.entry-card::after{
  content:"";position:absolute;right:-40px;top:-40px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,212,196,.16),transparent 70%);pointer-events:none;
}
.entry-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(47,212,196,.12);border:1px solid rgba(47,212,196,.3);color:var(--primary);margin-bottom:16px;
}
.entry-icon svg{width:21px;height:21px}
.entry-card h3{font-size:16.5px;margin-bottom:9px}
.entry-card p{font-size:13.5px;color:var(--text-dim);line-height:1.72;margin-bottom:16px}
.entry-link{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.entry-link svg{width:14px;height:14px;transition:transform .2s ease}
.entry-card:hover .entry-link svg{transform:translateX(4px)}

/* ---------- 最新动态 ---------- */
.latest-layout{display:grid;grid-template-columns:1.62fr 1fr;gap:26px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:12px}
.news-item{display:flex;gap:16px;padding:16px 18px;align-items:flex-start}
.news-thumb{width:104px;height:74px;flex-shrink:0;border-radius:9px;overflow:hidden;background:var(--bg-deep)}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.news-body{flex:1;min-width:0}
.news-body h3{font-size:15px;margin-bottom:6px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.news-item:hover h3{color:var(--primary)}
.news-body p{font-size:13px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.68}
.news-meta{display:flex;gap:10px;align-items:center;margin-top:9px;font-size:12px;color:var(--text-dim)}
.side-panel{padding:24px 22px;border-radius:var(--radius);background:linear-gradient(160deg,rgba(47,212,196,.09),rgba(255,255,255,.03));border:1px solid var(--line)}
.side-panel h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-panel h3 svg{width:18px;height:18px;color:var(--accent)}
.side-list li{display:flex;gap:10px;font-size:13.5px;color:var(--text-soft);padding:9px 0;border-bottom:1px dashed rgba(126,196,255,.14);line-height:1.66}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list .num{width:20px;height:20px;flex-shrink:0;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:700;color:#04211f;background:var(--primary);margin-top:2px}
.empty-tip{padding:28px;text-align:center;color:var(--text-dim);font-size:14px;border:1px dashed var(--line);border-radius:var(--radius)}

/* ---------- 功能分组 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.feature-card{padding:26px 24px;display:flex;gap:18px;align-items:flex-start}
.feature-ico{
  width:46px;height:46px;flex-shrink:0;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,rgba(47,212,196,.16),rgba(255,180,84,.1));
  border:1px solid rgba(47,212,196,.28);color:var(--primary);
}
.feature-ico svg{width:22px;height:22px}
.feature-card h3{font-size:16.5px;margin-bottom:8px}
.feature-card p{font-size:13.8px;color:var(--text-dim);line-height:1.76}
.feature-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{padding:0;overflow:hidden}
.scene-card figure{margin:0;position:relative;aspect-ratio:16/10;overflow:hidden}
.scene-card figure img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.scene-card:hover figure img{transform:scale(1.06)}
.scene-card figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,18,31,0) 40%,rgba(6,18,31,.86) 100%)}
.scene-card .scene-body{padding:18px 20px 22px}
.scene-card h3{font-size:16px;margin-bottom:8px}
.scene-card p{font-size:13.6px;color:var(--text-dim);line-height:1.74}

/* ---------- 截图舞台 ---------- */
.stage{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background-image:linear-gradient(180deg,rgba(6,18,31,.82),rgba(6,18,31,.94)),url("/assets/images/backpic/back-4.webp");
  background-size:cover;background-position:center;
  border:1px solid var(--line);padding:44px 40px;
}
.stage-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:28px}
.stage-head h2{font-size:clamp(1.3rem,2.2vw,1.6rem);margin-bottom:8px}
.stage-head p{color:var(--text-soft);font-size:14px;max-width:620px}
.stage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.stage-item{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:rgba(255,255,255,.04);transition:transform .2s ease,border-color .2s ease}
.stage-item:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.stage-item img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.stage-item figcaption{padding:13px 15px;font-size:13.4px;color:var(--text-soft)}

/* ---------- 专题标签云 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag-link{
  display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;
  font-size:14px;color:var(--text-soft);background:rgba(255,255,255,.04);
  border:1px solid var(--line);transition:all .2s ease;
}
.tag-link:hover{color:var(--primary);border-color:rgba(47,212,196,.5);background:rgba(47,212,196,.1);transform:translateY(-3px)}
.tag-link i{font-style:normal;font-size:12px;color:var(--text-dim)}
.tag-link:hover i{color:var(--primary)}

/* ---------- 资讯网格 ---------- */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.article-card{overflow:hidden;display:flex;flex-direction:column}
.article-card figure{margin:0;aspect-ratio:16/9;overflow:hidden}
.article-card figure img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.article-card:hover figure img{transform:scale(1.05)}
.article-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.article-body h3{font-size:15.6px;margin-bottom:9px;line-height:1.5}
.article-card:hover h3{color:var(--primary)}
.article-body p{font-size:13.4px;color:var(--text-dim);line-height:1.72;margin-bottom:14px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.article-body .news-meta{margin-top:auto}

/* ---------- 版本更新 ---------- */
.timeline{position:relative;padding-left:26px;max-width:860px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--primary),rgba(47,212,196,0))}
.tl-item{position:relative;padding:0 0 26px 0}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--bg-deep);border:2px solid var(--primary);box-shadow:0 0 0 4px rgba(47,212,196,.12);
}
.tl-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.tl-head b{font-size:15.5px;color:var(--text)}
.tl-item p{font-size:13.8px;color:var(--text-dim);line-height:1.76}

/* ---------- 多端 ---------- */
.platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.platform-card{padding:26px 24px;text-align:center}
.platform-card .feature-ico{margin:0 auto 16px}
.platform-card h3{font-size:16.5px;margin-bottom:8px}
.platform-card p{font-size:13.6px;color:var(--text-dim);line-height:1.74;margin-bottom:14px}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.faq-item{padding:22px 24px}
.faq-item h3{font-size:15.4px;margin-bottom:9px;display:flex;gap:10px;align-items:flex-start}
.faq-item h3 span{
  width:22px;height:22px;flex-shrink:0;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#04211f;background:var(--primary);margin-top:2px;
}
.faq-item p{font-size:13.7px;color:var(--text-dim);line-height:1.8;padding-left:32px}

/* ---------- 口碑 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.voice-card{padding:24px 22px}
.voice-stars{display:flex;gap:3px;margin-bottom:12px;color:var(--accent)}
.voice-stars svg{width:15px;height:15px}
.voice-card p{font-size:13.9px;color:var(--text-soft);line-height:1.8;margin-bottom:16px}
.voice-user{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding-top:14px}
.voice-avatar{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#04211f;background:linear-gradient(135deg,var(--primary),var(--accent))}
.voice-user b{font-size:13.6px;display:block}
.voice-user span{font-size:12px;color:var(--text-dim)}

/* ---------- 三步 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
.step-card{padding:26px 24px;position:relative}
.step-num{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;color:#04211f;background:linear-gradient(135deg,var(--primary),var(--primary-2));
  margin-bottom:16px;
}
.step-card h3{font-size:16px;margin-bottom:8px}
.step-card p{font-size:13.6px;color:var(--text-dim);line-height:1.74}

/* ---------- 保障条 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.guard-item{padding:22px 20px;text-align:center}
.guard-item svg{width:26px;height:26px;color:var(--primary);margin:0 auto 12px}
.guard-item b{display:block;font-size:14.6px;margin-bottom:6px}
.guard-item span{font-size:13px;color:var(--text-dim);line-height:1.7}

/* ---------- 收口 CTA ---------- */
.cta{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;padding:52px 44px;text-align:center;
  background-image:linear-gradient(180deg,rgba(6,18,31,.78),rgba(6,18,31,.92)),url("/assets/images/backpic/back-6.webp");
  background-size:cover;background-position:center;border:1px solid var(--line);
}
.cta h2{font-size:clamp(1.4rem,2.6vw,1.86rem);margin-bottom:14px}
.cta p{color:var(--text-soft);font-size:14.6px;max-width:700px;margin:0 auto 26px;line-height:1.86}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-note{margin-top:18px;font-size:12.5px;color:var(--text-dim)}

/* ---------- 页脚 ---------- */
.site-footer{background:#040d17;border-top:1px solid var(--line);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(126,196,255,.12)}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:13.4px;color:var(--text-dim);line-height:1.8;max-width:400px}
.footer-col h4{font-size:14.5px;margin-bottom:14px;color:var(--text)}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{font-size:13.4px;color:var(--text-dim);transition:color .2s ease,padding-left .2s ease}
.footer-col ul li a:hover{color:var(--primary);padding-left:4px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:12.6px;color:var(--text-dim)}
.footer-bottom a{color:var(--text-dim)}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .latest-layout{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .scene-grid,.article-grid,.platform-grid,.voice-grid,.steps,.stage-grid{grid-template-columns:repeat(2,1fr)}
  .guard-grid{grid-template-columns:repeat(2,1fr)}
  .hero-points{grid-template-columns:1fr;max-width:560px;margin-left:auto;margin-right:auto}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .header-actions .btn{display:none}
  .main-nav{
    position:fixed;top:var(--header-h);left:0;right:0;display:none;flex-direction:column;
    align-items:stretch;gap:4px;padding:14px 20px 22px;margin-left:0;
    background:rgba(6,18,31,.98);border-bottom:1px solid var(--line);
    box-shadow:0 18px 40px rgba(0,0,0,.5);
  }
  body.nav-open .main-nav{display:flex}
  .nav-link{padding:12px 14px;font-size:15px}
  .nav-link.active::after{display:none}
  .hero{padding-top:calc(var(--header-h) + 52px)}
  .section{padding:60px 0}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .stage{padding:30px 22px}
  .cta{padding:38px 22px}
  .trust-bar{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr}
  .scene-grid,.article-grid,.platform-grid,.voice-grid,.steps,.stage-grid{grid-template-columns:1fr}
  .news-item{flex-direction:column;gap:12px}
  .news-thumb{width:100%;height:150px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:520px){
  .entry-grid,.guard-grid{grid-template-columns:1fr}
  .hero h1{font-size:1.72rem}
  .hero-lead{font-size:14.4px}
  .hero-actions .btn{width:100%}
  .section-title{font-size:1.28rem}
  .logo-text{font-size:15px}
  .tl-item::before{left:-25px}
}

/* roulang page: article */
:root{
 --bg:#06121f;
 --bg-alt:#0a1b2d;
 --bg-deep:#0d2438;
 --panel:rgba(255,255,255,.05);
 --panel-2:rgba(255,255,255,.085);
 --line:rgba(126,196,255,.16);
 --line-strong:rgba(126,196,255,.36);
 --text:#e9f3ff;
 --text-soft:#a7bdd4;
 --text-dim:#7f97ae;
 --primary:#2fd4c4;
 --primary-2:#1fb6ae;
 --accent:#ffb454;
 --radius-lg:18px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 6px 18px rgba(0,0,0,.28);
 --shadow:0 16px 40px rgba(0,0,0,.38);
 --shadow-lg:0 26px 60px rgba(0,0,0,.48);
 --container:1180px;
 --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:15px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:9px;font-size:15px;font-weight:600;
 border:1px solid transparent;white-space:nowrap;
 transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn svg{width:17px;height:17px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#04211f;box-shadow:0 10px 24px rgba(47,212,196,.26)}
.btn-primary:hover{background:linear-gradient(135deg,#3ee3d2,#25c7bd);transform:translateY(-2px);box-shadow:0 16px 32px rgba(47,212,196,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(47,212,196,.24)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(47,212,196,.08);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:8px}

/* ---------- 标签 ---------- */
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:500;
 color:var(--text-soft);background:rgba(255,255,255,.05);
 border:1px solid var(--line);
}
.tag-accent{color:var(--accent);border-color:rgba(255,180,84,.35);background:rgba(255,180,84,.08)}
.tag-primary{color:var(--primary);border-color:rgba(47,212,196,.35);background:rgba(47,212,196,.08)}

/* ---------- 头部导航 ---------- */
.site-header{
 position:fixed;top:0;left:0;right:0;z-index:120;
 height:var(--header-h);
 background:rgba(6,18,31,.36);
 -webkit-backdrop-filter:blur(16px) saturate(160%);
 backdrop-filter:blur(16px) saturate(160%);
 border-bottom:1px solid rgba(255,255,255,.08);
 transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled{
 background:rgba(6,18,31,.94);
 border-bottom-color:var(--line);
 box-shadow:0 10px 30px rgba(0,0,0,.42);
}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--header-h)}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
 width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
 background:linear-gradient(135deg,rgba(47,212,196,.22),rgba(255,180,84,.16));
 border:1px solid rgba(47,212,196,.34);color:var(--primary);
}
.logo-mark svg{width:19px;height:19px}
.logo-text{font-size:16.5px;font-weight:700;letter-spacing:.4px;color:var(--text)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
 position:relative;padding:8px 14px;border-radius:8px;font-size:14.5px;color:var(--text-soft);
 transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-link.active{color:var(--primary);background:rgba(47,212,196,.1)}
.nav-link.active::after{
 content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,var(--primary),rgba(47,212,196,0));
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border-radius:9px;border:1px solid var(--line)}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 文章头部 ---------- */
.article-hero{
 position:relative;
 padding:calc(var(--header-h) + 52px) 0 46px;
 background-image:linear-gradient(180deg,rgba(6,18,31,.76) 0%,rgba(6,18,31,.9) 62%,var(--bg) 100%),url("/assets/images/backpic/back-2.webp");
 background-size:cover;background-position:center;
 border-bottom:1px solid var(--line);
}
.article-hero::before{
 content:"";position:absolute;inset:0;
 background:radial-gradient(620px 300px at 18% 6%,rgba(47,212,196,.16),transparent 70%),
 radial-gradient(520px 280px at 86% 22%,rgba(255,180,84,.1),transparent 72%);
 pointer-events:none;
}
.article-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-dim);margin-bottom:18px}
.crumbs a{color:var(--text-soft);transition:color .2s ease}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:var(--text-dim)}
.article-title{
 font-size:clamp(1.6rem,3.4vw,2.28rem);
 font-weight:800;letter-spacing:.4px;
 background:linear-gradient(180deg,#ffffff 30%,#bfe8ff 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
 max-width:960px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin:18px 0 0;font-size:13.5px;color:var(--text-dim)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta svg{width:15px;height:15px;color:var(--primary)}
.article-lead{
 max-width:900px;margin:20px 0 0;font-size:15.5px;line-height:1.92;color:var(--text-soft);
 padding-left:16px;border-left:3px solid rgba(47,212,196,.5);
}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ---------- 布局 ---------- */
.article-layout{
 display:grid;grid-template-columns:minmax(0,1fr) 318px;gap:38px;
 align-items:start;padding:52px 0 8px;
}
.article-main{min-width:0;max-width:760px}
.article-panel{
 background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.025));
 border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:30px 30px 34px;box-shadow:var(--shadow-sm);
}
.article-body{font-size:15.5px;line-height:1.85;color:var(--text-soft);word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body h2{
 font-size:clamp(1.18rem,2.1vw,1.42rem);color:var(--text);
 margin:2em 0 .7em;padding-left:12px;border-left:3px solid var(--primary);
}
.article-body h3{font-size:1.06rem;color:var(--text);margin:1.7em 0 .6em}
.article-body h4{font-size:1rem;color:var(--text);margin:1.4em 0 .5em}
.article-body p{margin:0 0 1.05em}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.1em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.4em 0}
.article-body strong{color:var(--text);font-weight:700}
.article-body em{color:var(--accent);font-style:normal}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(47,212,196,.4);transition:color .2s ease,border-color .2s ease}
.article-body a:hover{color:#59f0e0;border-bottom-color:#59f0e0}
.article-body img{margin:1.4em 0;border-radius:var(--radius);border:1px solid var(--line)}
.article-body blockquote{
 margin:1.4em 0;padding:14px 18px;color:var(--text-soft);
 border-left:3px solid var(--accent);background:rgba(255,180,84,.07);
 border-radius:0 var(--radius-sm) var(--radius-sm) 0;
}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:rgba(255,255,255,.05);color:var(--text);font-weight:600}
.article-body hr{border:0;height:1px;background:var(--line);margin:2em 0}

/* ---------- 空内容 ---------- */
.article-empty{text-align:center;padding:26px 10px 12px}
.article-empty h2{font-size:1.2rem;color:var(--text);margin-bottom:10px}
.article-empty p{color:var(--text-soft);font-size:15px;margin-bottom:22px}

/* ---------- 侧栏 ---------- */
.article-sidebar{display:flex;flex-direction:column;gap:18px;position:sticky;top:calc(var(--header-h) + 18px)}
.side-card{
 background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025));
 border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 20px 22px;box-shadow:var(--shadow-sm);
 transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.side-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow)}
.side-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px}
.side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:linear-gradient(180deg,var(--primary),var(--primary-2))}
.side-list li + li{border-top:1px dashed rgba(126,196,255,.16);margin-top:10px;padding-top:10px}
.side-list a{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-soft);transition:color .2s ease,transform .2s ease}
.side-list a:hover{color:var(--primary);transform:translateX(3px)}
.side-list .dot{width:5px;height:5px;border-radius:50%;background:var(--primary);flex-shrink:0}
.side-info{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--text-dim);padding:7px 0}
.side-info span:last-child{color:var(--text-soft);text-align:right;max-width:60%}

/* ---------- 板块 ---------- */
.section{padding:56px 0}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:30px}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;
 font-size:12.5px;letter-spacing:2px;color:var(--primary);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),rgba(47,212,196,0))}
.section-title{font-size:clamp(1.32rem,2.6vw,1.68rem);font-weight:800;color:var(--text)}
.section-desc{margin-top:12px;font-size:14.8px;line-height:1.85;color:var(--text-soft)}

/* ---------- 信息卡 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.info-card{
 background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025));
 border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 18px 20px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.info-card .thumb{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-sm);border:1px solid rgba(126,196,255,.14);margin-bottom:16px}
.info-card h3{font-size:1.02rem;color:var(--text);margin-bottom:9px}
.info-card p{font-size:14px;line-height:1.8;color:var(--text-soft)}
.info-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* ---------- 数据/版本列表 ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.spec-item{
 display:flex;gap:14px;align-items:flex-start;
 background:rgba(255,255,255,.04);border:1px solid var(--line);
 border-radius:var(--radius);padding:18px 20px;
 transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.spec-item:hover{border-color:var(--line-strong);background:rgba(255,255,255,.07);transform:translateY(-3px)}
.spec-num{
 flex-shrink:0;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
 font-size:14px;font-weight:800;color:#04211f;
 background:linear-gradient(135deg,var(--primary),var(--primary-2));
 box-shadow:0 8px 18px rgba(47,212,196,.24);
}
.spec-item h3{font-size:.98rem;color:var(--text);margin-bottom:6px}
.spec-item p{font-size:13.8px;line-height:1.78;color:var(--text-soft)}

/* ---------- 频道入口 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.channel-card{
 position:relative;display:block;overflow:hidden;
 border-radius:var(--radius-lg);border:1px solid var(--line);
 background:rgba(255,255,255,.045);box-shadow:var(--shadow-sm);
 transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.channel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;opacity:.62;transition:opacity .25s ease,transform .35s ease}
.channel-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.channel-card:hover img{opacity:.82;transform:scale(1.04)}
.channel-body{padding:18px 20px 22px}
.channel-body h3{font-size:1.04rem;color:var(--text);margin-bottom:8px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.channel-body h3 span{color:var(--primary);font-size:14px}
.channel-body p{font-size:13.8px;line-height:1.78;color:var(--text-soft)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
 border:1px solid var(--line);border-radius:var(--radius);
 background:rgba(255,255,255,.04);overflow:hidden;
 transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(255,255,255,.065)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:16px 20px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 font-size:15px;font-weight:600;color:var(--text);
 transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary::after{
 content:"+";font-size:19px;font-weight:400;color:var(--primary);line-height:1;
 transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-answer{padding:0 20px 18px;font-size:14.4px;line-height:1.85;color:var(--text-soft)}

/* ---------- 收口 CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);border:1px solid var(--line-strong);
 padding:38px 34px;
 background-image:linear-gradient(120deg,rgba(6,18,31,.9),rgba(13,36,56,.86)),url("/assets/images/backpic/back-5.webp");
 background-size:cover;background-position:center;
 box-shadow:var(--shadow);
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{font-size:clamp(1.24rem,2.4vw,1.6rem);color:var(--text);margin-bottom:10px}
.cta-band p{font-size:14.6px;line-height:1.85;color:var(--text-soft);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:48px 0 22px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--text-soft);max-width:420px}
.footer-col h4{font-size:14.5px;color:var(--text);margin-bottom:16px;position:relative;padding-left:12px}
.footer-col h4::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:2px;background:linear-gradient(180deg,var(--primary),var(--primary-2))}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-soft);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--primary);padding-left:4px}
.footer-bottom{
 margin-top:34px;padding-top:18px;border-top:1px solid rgba(126,196,255,.14);
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 font-size:13px;color:var(--text-dim);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .article-layout{grid-template-columns:1fr;gap:30px;padding-top:42px}
 .article-main{max-width:none}
 .article-sidebar{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
 .footer-grid{grid-template-columns:1fr 1fr}
 .footer-brand{grid-column:1 / -1}
}
@media (max-width:960px){
 .nav-toggle{display:flex}
 .main-nav{
  position:absolute;top:var(--header-h);left:0;right:0;margin-left:0;
  flex-direction:column;align-items:stretch;gap:4px;
  padding:12px 18px 18px;display:none;
  background:rgba(6,18,31,.97);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);box-shadow:var(--shadow);
 }
 body.nav-open .main-nav{display:flex}
 .nav-link{padding:12px 14px;font-size:15px}
 .nav-link.active::after{display:none}
 .header-inner{gap:12px}
 .grid-3,.channel-grid{grid-template-columns:1fr 1fr}
 .spec-grid{grid-template-columns:1fr}
 .article-panel{padding:24px 20px 28px}
 .article-lead{font-size:14.8px}
}
@media (max-width:640px){
 .article-sidebar{grid-template-columns:1fr}
 .grid-3,.channel-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .section{padding:42px 0}
 .article-hero{padding:calc(var(--header-h) + 34px) 0 34px}
 .cta-band{padding:26px 20px}
 .container{padding:0 18px}
 .logo-text{font-size:14.5px}
 .header-actions .btn span{display:none}
 .footer-bottom{font-size:12.5px}
}

/* roulang page: category1 */
:root{
 --bg:#06121f;
 --bg-alt:#0a1b2d;
 --bg-deep:#0d2438;
 --panel:rgba(255,255,255,.05);
 --panel-2:rgba(255,255,255,.085);
 --line:rgba(126,196,255,.16);
 --line-strong:rgba(126,196,255,.36);
 --text:#e9f3ff;
 --text-soft:#a7bdd4;
 --text-dim:#7f97ae;
 --primary:#2fd4c4;
 --primary-2:#1fb6ae;
 --accent:#ffb454;
 --radius-lg:18px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 6px 18px rgba(0,0,0,.28);
 --shadow:0 16px 40px rgba(0,0,0,.38);
 --shadow-lg:0 26px 60px rgba(0,0,0,.48);
 --container:1180px;
 --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:15px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:9px;font-size:15px;font-weight:600;
 border:1px solid transparent;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
 white-space:nowrap;
}
.btn svg{width:17px;height:17px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#04211f;box-shadow:0 10px 24px rgba(47,212,196,.26)}
.btn-primary:hover{background:linear-gradient(135deg,#3ee3d2,#25c7bd);transform:translateY(-2px);box-shadow:0 16px 32px rgba(47,212,196,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(47,212,196,.24)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(47,212,196,.08);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:8px}

/* ---------- 标签 ---------- */
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:500;
 color:var(--text-soft);background:rgba(255,255,255,.05);
 border:1px solid var(--line);
}
.tag-accent{color:var(--accent);border-color:rgba(255,180,84,.35);background:rgba(255,180,84,.08)}
.tag-primary{color:var(--primary);border-color:rgba(47,212,196,.35);background:rgba(47,212,196,.08)}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--primary);display:inline-block}

/* ---------- 头部导航 ---------- */
.site-header{
 position:fixed;top:0;left:0;right:0;z-index:120;
 height:var(--header-h);
 background:rgba(6,18,31,.36);
 -webkit-backdrop-filter:blur(16px) saturate(160%);
 backdrop-filter:blur(16px) saturate(160%);
 border-bottom:1px solid rgba(255,255,255,.08);
 transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled{
 background:rgba(6,18,31,.94);
 border-bottom-color:var(--line);
 box-shadow:0 10px 30px rgba(0,0,0,.42);
}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--header-h)}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
 width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
 background:linear-gradient(135deg,rgba(47,212,196,.22),rgba(255,180,84,.16));
 border:1px solid rgba(47,212,196,.34);color:var(--primary);
}
.logo-mark svg{width:19px;height:19px}
.logo-text{font-size:16.5px;font-weight:700;letter-spacing:.4px;color:var(--text)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
 position:relative;padding:8px 14px;border-radius:8px;font-size:14.5px;color:var(--text-soft);
 transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-link.active{color:var(--primary);background:rgba(47,212,196,.1)}
.nav-link.active::after{
 content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,var(--primary),rgba(47,212,196,0));
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border-radius:9px;border:1px solid var(--line)}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 分类 Hero ---------- */
.cat-hero{
 position:relative;
 padding:calc(var(--header-h) + 68px) 0 58px;
 background-image:linear-gradient(180deg,rgba(6,18,31,.76) 0%,rgba(6,18,31,.9) 58%,var(--bg) 100%),url("/assets/images/backpic/back-2.webp");
 background-size:cover;background-position:center;
 overflow:hidden;
}
.cat-hero::before{
 content:"";position:absolute;inset:0;
 background:radial-gradient(620px 300px at 14% 6%,rgba(47,212,196,.18),transparent 70%),
 radial-gradient(520px 280px at 92% 24%,rgba(255,180,84,.12),transparent 72%);
 pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.cat-hero-top{max-width:840px}
.cat-hero h1{
 font-size:clamp(1.85rem,4vw,2.6rem);
 font-weight:800;letter-spacing:.5px;margin:18px 0 18px;
 background:linear-gradient(180deg,#ffffff 30%,#b9e6ff 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero .lead{font-size:15.5px;line-height:1.92;color:var(--text-soft);max-width:780px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.status-bar{
 display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
 margin-top:38px;border:1px solid var(--line);border-radius:var(--radius);
 background:var(--line);overflow:hidden;
}
.status-item{background:rgba(9,24,39,.82);padding:16px 20px}
.status-item span{display:block;font-size:12.5px;color:var(--text-dim);letter-spacing:.4px}
.status-item strong{display:block;margin-top:6px;font-size:15px;color:var(--text);font-weight:700}
.icon-matrix{
 display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:22px;
}
.matrix-item{
 display:flex;flex-direction:column;gap:9px;align-items:flex-start;
 padding:16px 14px;border-radius:var(--radius);
 background:rgba(255,255,255,.045);border:1px solid var(--line);
 transition:transform .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.matrix-item:hover{transform:translateY(-3px);border-color:var(--line-strong);background:rgba(255,255,255,.075);box-shadow:var(--shadow-sm)}
.matrix-item svg{width:22px;height:22px;color:var(--primary)}
.matrix-item b{font-size:13.5px;font-weight:600;color:var(--text)}
.matrix-item i{font-style:normal;font-size:12px;color:var(--text-dim);line-height:1.6}

/* ---------- 板块 ---------- */
.section{padding:72px 0;position:relative}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head .kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:1.2px;color:var(--primary);font-weight:600;margin-bottom:12px;text-transform:uppercase}
.section-head .kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),rgba(47,212,196,.1))}
.section-head h2{font-size:clamp(1.3rem,2.6vw,1.72rem);font-weight:700;letter-spacing:.3px;margin-bottom:12px}
.section-head p{color:var(--text-soft);font-size:14.5px;line-height:1.85}

/* ---------- 网格与卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{
 display:flex;flex-direction:column;
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-strong);background:var(--panel-2)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:0;margin:0}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:16.5px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:9px}
.card-title svg{width:18px;height:18px;color:var(--primary);flex-shrink:0}
.card-text{font-size:14px;color:var(--text-soft);line-height:1.78}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.spec-list{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.spec-list li{display:flex;justify-content:space-between;gap:14px;font-size:13.5px;color:var(--text-soft);padding-bottom:8px;border-bottom:1px dashed rgba(126,196,255,.14)}
.spec-list li:last-child{border-bottom:0;padding-bottom:0}
.spec-list li strong{color:var(--text);font-weight:600}

/* ---------- 图文两列 ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0}
.checklist{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.checklist li{
 display:flex;gap:13px;align-items:flex-start;
 padding:15px 17px;border-radius:var(--radius-sm);
 background:rgba(255,255,255,.045);border:1px solid var(--line);
 transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.checklist li:hover{border-color:var(--line-strong);background:rgba(255,255,255,.07);transform:translateX(3px)}
.checklist .check-ico{
 width:26px;height:26px;flex-shrink:0;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
 background:rgba(47,212,196,.12);border:1px solid rgba(47,212,196,.32);color:var(--primary);
}
.checklist .check-ico svg{width:14px;height:14px}
.checklist b{display:block;font-size:14.5px;color:var(--text);font-weight:600;margin-bottom:3px}
.checklist span{font-size:13.5px;color:var(--text-soft);line-height:1.7}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:8px}
.timeline::before{
 content:"";position:absolute;top:22px;left:6%;right:6%;height:1px;
 background:linear-gradient(90deg,rgba(47,212,196,.5),rgba(126,196,255,.18),rgba(47,212,196,.5));
}
.step{position:relative;padding-top:52px}
.step-num{
 position:absolute;top:0;left:0;
 width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
 font-weight:700;font-size:15px;color:var(--primary);
 background:rgba(9,24,39,.95);border:1px solid rgba(47,212,196,.4);
 box-shadow:0 0 0 4px rgba(6,18,31,.9);
}
.step h3{font-size:15.5px;font-weight:700;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--text-soft);line-height:1.75}

/* ---------- 异常处理列表 ---------- */
.fix-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.fix-item{
 display:flex;gap:16px;padding:20px 22px;border-radius:var(--radius);
 background:rgba(255,255,255,.045);border:1px solid var(--line);
 transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.fix-item:hover{border-color:rgba(255,180,84,.34);background:rgba(255,180,84,.05);transform:translateY(-2px)}
.fix-item .fix-ico{
 width:38px;height:38px;flex-shrink:0;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
 background:rgba(255,180,84,.1);border:1px solid rgba(255,180,84,.3);color:var(--accent);
}
.fix-item .fix-ico svg{width:19px;height:19px}
.fix-item h3{font-size:15px;font-weight:700;margin-bottom:6px}
.fix-item p{font-size:13.5px;color:var(--text-soft);line-height:1.75}

/* ---------- 分类入口 ---------- */
.cat-entry .card{height:100%}
.cat-entry .card-link{font-size:13.5px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;margin-top:14px}
.cat-entry .card-link svg{width:15px;height:15px;transition:transform .2s ease}
.cat-entry .card:hover .card-link svg{transform:translateX(4px)}
.cat-entry .card[aria-current] {border-color:rgba(47,212,196,.45);background:rgba(47,212,196,.06)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.faq-item{
 border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.04);
 padding:0 20px;margin-bottom:12px;transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:rgba(47,212,196,.4);background:rgba(47,212,196,.06)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 0;font-size:15.5px;font-weight:600;color:var(--text);
 display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";font-size:20px;line-height:1;color:var(--primary);font-weight:400;transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 0 20px;color:var(--text-soft);font-size:14px;line-height:1.85}

/* ---------- 收口 CTA ---------- */
.cta-band{
 position:relative;padding:64px 0;
 background-image:linear-gradient(180deg,rgba(6,18,31,.86),rgba(6,18,31,.94)),url("/assets/images/backpic/back-5.webp");
 background-size:cover;background-position:center;
 border-top:1px solid var(--line);
}
.cta-box{
 display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
 padding:34px 36px;border-radius:var(--radius-lg);
 background:rgba(255,255,255,.055);border:1px solid var(--line-strong);
 box-shadow:var(--shadow);
}
.cta-box h2{font-size:clamp(1.25rem,2.4vw,1.55rem);font-weight:700;margin-bottom:8px}
.cta-box p{color:var(--text-soft);font-size:14.5px;max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{padding:56px 0 26px;background:var(--bg-deep);border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:34px}
.footer-brand p{margin-top:16px;font-size:13.5px;color:var(--text-soft);line-height:1.85;max-width:420px}
.footer-col h4{font-size:14.5px;font-weight:700;margin-bottom:14px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.5px;color:var(--text-soft);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--primary);padding-left:4px}
.footer-bottom{
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 padding-top:22px;border-top:1px solid rgba(126,196,255,.12);
 font-size:12.5px;color:var(--text-dim);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .icon-matrix{grid-template-columns:repeat(3,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .timeline{grid-template-columns:repeat(2,1fr)}
 .timeline::before{display:none}
 .split{grid-template-columns:1fr;gap:28px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
 .footer-brand{grid-column:1/-1}
}
@media (max-width:900px){
 .main-nav{
  position:fixed;top:var(--header-h);left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  padding:14px 20px 20px;margin:0;display:none;
  background:rgba(6,18,31,.98);
  border-bottom:1px solid var(--line);
  box-shadow:0 18px 40px rgba(0,0,0,.5);
  max-height:calc(100vh - var(--header-h));overflow-y:auto;
 }
 body.nav-open .main-nav{display:flex}
 .nav-link{padding:13px 14px;font-size:15px;border-radius:9px;min-height:44px;display:flex;align-items:center}
 .nav-link.active::after{display:none}
 .nav-toggle{display:flex}
 .header-actions .btn-sm{display:none}
 .status-bar{grid-template-columns:1fr}
}
@media (max-width:768px){
 .container{padding:0 18px}
 .section{padding:52px 0}
 .cat-hero{padding:calc(var(--header-h) + 48px) 0 44px}
 .grid-3,.grid-2,.fix-list{grid-template-columns:1fr}
 .icon-matrix{grid-template-columns:repeat(2,1fr)}
 .timeline{grid-template-columns:1fr;gap:22px}
 .step{padding-top:0;padding-left:58px;min-height:44px}
 .step-num{top:0;left:0}
 .cta-box{padding:26px 22px;flex-direction:column;align-items:flex-start}
 .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
 .logo-text{font-size:14.5px}
 .hero-actions{width:100%}
 .hero-actions .btn{flex:1 1 100%}
 .icon-matrix{grid-template-columns:1fr}
 .card-body{padding:17px}
 .footer-bottom{flex-direction:column;gap:6px}
 .btn{min-height:42px}
}
@media (prefers-reduced-motion:reduce){
 *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
 --bg:#06121f;
 --bg-alt:#0a1b2d;
 --bg-deep:#0d2438;
 --panel:rgba(255,255,255,.05);
 --panel-2:rgba(255,255,255,.085);
 --line:rgba(126,196,255,.16);
 --line-strong:rgba(126,196,255,.36);
 --text:#e9f3ff;
 --text-soft:#a7bdd4;
 --text-dim:#7f97ae;
 --primary:#2fd4c4;
 --primary-2:#1fb6ae;
 --accent:#ffb454;
 --radius-lg:18px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 6px 18px rgba(0,0,0,.28);
 --shadow:0 16px 40px rgba(0,0,0,.38);
 --shadow-lg:0 26px 60px rgba(0,0,0,.48);
 --container:1180px;
 --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:15px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:9px;font-size:15px;font-weight:600;
 border:1px solid transparent;white-space:nowrap;
 transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn svg{width:17px;height:17px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#04211f;box-shadow:0 10px 24px rgba(47,212,196,.26)}
.btn-primary:hover{background:linear-gradient(135deg,#3ee3d2,#25c7bd);transform:translateY(-2px);box-shadow:0 16px 32px rgba(47,212,196,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(47,212,196,.24)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(47,212,196,.08);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:8px}
.btn-block{width:100%}

/* ---------- 标签 ---------- */
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:500;
 color:var(--text-soft);background:rgba(255,255,255,.05);
 border:1px solid var(--line);
}
.tag-accent{color:var(--accent);border-color:rgba(255,180,84,.35);background:rgba(255,180,84,.08)}
.tag-primary{color:var(--primary);border-color:rgba(47,212,196,.35);background:rgba(47,212,196,.08)}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--primary);display:inline-block}

/* ---------- 头部导航 ---------- */
.site-header{
 position:fixed;top:0;left:0;right:0;z-index:120;
 height:var(--header-h);
 background:rgba(6,18,31,.36);
 -webkit-backdrop-filter:blur(16px) saturate(160%);
 backdrop-filter:blur(16px) saturate(160%);
 border-bottom:1px solid rgba(255,255,255,.08);
 transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled{
 background:rgba(6,18,31,.94);
 border-bottom-color:var(--line);
 box-shadow:0 10px 30px rgba(0,0,0,.42);
}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--header-h)}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
 width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
 background:linear-gradient(135deg,rgba(47,212,196,.22),rgba(255,180,84,.16));
 border:1px solid rgba(47,212,196,.34);color:var(--primary);
}
.logo-mark svg{width:19px;height:19px}
.logo-text{font-size:16.5px;font-weight:700;letter-spacing:.4px;color:var(--text)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
 position:relative;padding:8px 14px;border-radius:8px;font-size:14.5px;color:var(--text-soft);
 transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-link.active{color:var(--primary);background:rgba(47,212,196,.1)}
.nav-link.active::after{
 content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,var(--primary),rgba(47,212,196,0));
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border-radius:9px;border:1px solid var(--line)}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 分类 Hero ---------- */
.cat-hero{
 position:relative;
 padding:calc(var(--header-h) + 58px) 0 66px;
 background-image:linear-gradient(180deg,rgba(6,18,31,.8) 0%,rgba(6,18,31,.92) 60%,var(--bg) 100%),url("/assets/images/backpic/back-2.webp");
 background-size:cover;background-position:center;overflow:hidden;
}
.cat-hero::before{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:radial-gradient(640px 300px at 18% 6%,rgba(47,212,196,.18),transparent 70%),
 radial-gradient(520px 280px at 90% 24%,rgba(255,180,84,.12),transparent 72%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.hero-copy{max-width:640px}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;margin-bottom:20px;
 padding:6px 14px;border-radius:999px;font-size:13px;color:var(--text-soft);
 background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.cat-hero h1{
 font-size:clamp(1.85rem,3.6vw,2.6rem);
 font-weight:800;letter-spacing:.5px;line-height:1.34;margin-bottom:18px;
 background:linear-gradient(180deg,#ffffff 26%,#b9e6ff 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:15.5px;line-height:1.92;color:var(--text-soft);margin-bottom:24px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}

.hero-panel{
 background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.03));
 border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:16px;box-shadow:var(--shadow);
}
.panel-figure{position:relative;border-radius:12px;overflow:hidden}
.panel-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px}
.panel-figure::after{
 content:"";position:absolute;inset:0;border-radius:12px;
 background:linear-gradient(180deg,rgba(6,18,31,0) 45%,rgba(6,18,31,.62) 100%);
}
.panel-badge{
 position:absolute;left:12px;top:12px;z-index:2;
 padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;
 color:#04211f;background:linear-gradient(135deg,var(--primary),var(--primary-2));
}
.panel-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.panel-stats li{
 padding:12px 10px;border-radius:10px;text-align:center;
 background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.panel-stats strong{display:block;font-size:16px;color:var(--primary);letter-spacing:.3px}
.panel-stats span{display:block;margin-top:4px;font-size:11.5px;color:var(--text-dim);line-height:1.5}

/* ---------- 板块通用 ---------- */
.section{padding:76px 0;position:relative}
.section-alt{background:var(--bg-alt);border-top:1px solid rgba(126,196,255,.1);border-bottom:1px solid rgba(126,196,255,.1)}
.section-deep{
 background:linear-gradient(180deg,var(--bg-deep),var(--bg));
 border-top:1px solid rgba(126,196,255,.1);border-bottom:1px solid rgba(126,196,255,.1);
}
.section-head{max-width:760px;margin-bottom:38px}
.kicker{
 display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
 color:var(--primary);letter-spacing:1.2px;margin-bottom:12px;
}
.kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),rgba(47,212,196,0))}
.section-title{font-size:clamp(1.35rem,2.4vw,1.72rem);font-weight:700;letter-spacing:.4px;line-height:1.4;margin-bottom:12px}
.section-desc{font-size:14.8px;color:var(--text-soft);line-height:1.85}

/* ---------- 网格与卡片 ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-strong);background:var(--panel-2)}
.card-icon{
 width:40px;height:40px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
 color:var(--primary);background:rgba(47,212,196,.1);border:1px solid rgba(47,212,196,.28);margin-bottom:16px;
}
.card-icon svg{width:20px;height:20px}
.card-title{font-size:16px;font-weight:700;margin-bottom:9px;letter-spacing:.3px}
.card-text{font-size:14.2px;color:var(--text-soft);line-height:1.82}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ---------- 匹配矩阵 ---------- */
.matrix{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:rgba(255,255,255,.03)}
.matrix-row{
 display:grid;grid-template-columns:.9fr .8fr 1.6fr;gap:16px;align-items:center;
 padding:16px 22px;border-top:1px solid rgba(126,196,255,.12);
 transition:background .2s ease;
}
.matrix-row:first-child{border-top:0}
.matrix-row:hover{background:rgba(47,212,196,.06)}
.matrix-head{
 background:rgba(47,212,196,.08);font-size:13px;font-weight:700;color:var(--primary);
 letter-spacing:1px;
}
.matrix-head:hover{background:rgba(47,212,196,.08)}
.matrix-fish{font-weight:600;font-size:14.6px}
.matrix-cannon{font-size:14px;color:var(--accent);font-weight:600}
.matrix-note{font-size:13.8px;color:var(--text-soft)}

/* ---------- 场景卡 ---------- */
.scene-card{
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.scene-body{padding:20px 22px 24px}
.scene-body h3{font-size:16px;font-weight:700;margin-bottom:9px}
.scene-body p{font-size:14px;color:var(--text-soft);line-height:1.8}
.scene-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.flow-step{
 position:relative;padding:22px 20px;border-radius:var(--radius);
 background:rgba(255,255,255,.04);border:1px solid var(--line);
 transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.flow-step:hover{transform:translateY(-3px);border-color:var(--line-strong);background:rgba(255,255,255,.07)}
.step-num{
 display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;
 border-radius:9px;font-size:14px;font-weight:700;margin-bottom:14px;
 color:#04211f;background:linear-gradient(135deg,var(--primary),var(--primary-2));
}
.flow-step h3{font-size:15.5px;font-weight:700;margin-bottom:8px}
.flow-step p{font-size:13.8px;color:var(--text-soft);line-height:1.78}

/* ---------- 数据面板 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
 padding:26px 22px;border-radius:var(--radius);text-align:left;
 background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
 border:1px solid var(--line);transition:transform .2s ease,border-color .2s ease;
}
.stat:hover{transform:translateY(-3px);border-color:rgba(47,212,196,.42)}
.stat-value{font-size:28px;font-weight:800;letter-spacing:.6px;color:var(--primary);line-height:1.2}
.stat-label{display:block;margin-top:8px;font-size:13.5px;color:var(--text-soft)}
.stat-note{margin-top:14px;font-size:12.5px;color:var(--text-dim)}

/* ---------- 玩家记录 ---------- */
.quote{
 padding:24px;border-radius:var(--radius);background:var(--panel);
 border:1px solid var(--line);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.quote:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-sm)}
.quote-text{font-size:14.4px;line-height:1.88;color:var(--text-soft)}
.quote-meta{display:flex;align-items:center;gap:12px;margin-top:18px}
.avatar{
 width:38px;height:38px;border-radius:50%;flex-shrink:0;
 display:inline-flex;align-items:center;justify-content:center;
 font-size:14px;font-weight:700;color:#04211f;
 background:linear-gradient(135deg,var(--primary),#8ef0d8);
}
.quote-name{font-size:14px;font-weight:600;display:block}
.quote-role{font-size:12.5px;color:var(--text-dim)}

/* ---------- FAQ ---------- */
.faq{max-width:900px}
.faq-item{
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;transition:border-color .2s ease,background .2s ease;
}
.faq-item+.faq-item{margin-top:12px}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item summary{
 list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:18px 22px;font-size:15.2px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";flex-shrink:0;width:24px;height:24px;line-height:22px;text-align:center;
 border-radius:7px;font-size:16px;font-weight:700;color:var(--primary);
 border:1px solid rgba(47,212,196,.3);background:rgba(47,212,196,.08);
 transition:transform .2s ease,background .2s ease;
}
.faq-item[open] summary::after{content:"−";background:rgba(47,212,196,.16)}
.faq-item p{padding:0 22px 20px;font-size:14.3px;color:var(--text-soft);line-height:1.85}

/* ---------- 收口 CTA ---------- */
.cta-band{
 position:relative;padding:56px 40px;border-radius:var(--radius-lg);overflow:hidden;
 background:linear-gradient(120deg,rgba(47,212,196,.16),rgba(255,180,84,.1)),rgba(255,255,255,.04);
 border:1px solid var(--line-strong);box-shadow:var(--shadow);
 display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(1.25rem,2.2vw,1.6rem);font-weight:700;margin-bottom:12px;letter-spacing:.4px}
.cta-band p{font-size:14.5px;color:var(--text-soft);line-height:1.85;max-width:620px}
.cta-actions{display:flex;flex-direction:column;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{
 background:var(--bg-alt);border-top:1px solid var(--line);
 padding:56px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:36px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13.8px;color:var(--text-soft);line-height:1.9;max-width:420px}
.footer-col h4{font-size:14.5px;font-weight:700;margin-bottom:16px;letter-spacing:.6px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.8px;color:var(--text-soft);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--primary);padding-left:3px}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
 padding-top:22px;border-top:1px solid rgba(126,196,255,.14);
 font-size:12.8px;color:var(--text-dim);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .hero-copy{max-width:none}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .flow{grid-template-columns:repeat(2,1fr)}
 .stat-grid{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .cta-band{grid-template-columns:1fr;padding:44px 30px}
 .cta-actions{flex-direction:row;flex-wrap:wrap}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
 .footer-brand{grid-column:1/-1}
}
@media (max-width:900px){
 .main-nav{
  position:fixed;top:var(--header-h);left:0;right:0;margin-left:0;
  flex-direction:column;align-items:stretch;gap:4px;
  padding:14px 20px 22px;
  background:rgba(6,18,31,.98);
  border-bottom:1px solid var(--line);box-shadow:var(--shadow);
  transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:transform .25s ease,opacity .25s ease,visibility .25s ease;
 }
 body.nav-open .main-nav{transform:none;opacity:1;visibility:visible}
 .nav-link{padding:12px 14px;font-size:15px}
 .nav-link.active::after{display:none}
 .nav-toggle{display:flex}
}
@media (max-width:768px){
 .container{padding:0 18px}
 .section{padding:56px 0}
 .cat-hero{padding:calc(var(--header-h) + 42px) 0 48px}
 .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
 .flow{grid-template-columns:1fr}
 .stat-grid{grid-template-columns:repeat(2,1fr)}
 .matrix-row{grid-template-columns:1fr;gap:6px;padding:16px 18px}
 .matrix-head{display:none}
 .matrix-fish{font-size:15px}
 .matrix-note{color:var(--text-dim)}
 .footer-grid{grid-template-columns:1fr}
 .cta-actions{flex-direction:column}
 .cta-actions .btn{width:100%}
 .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
 .header-actions .btn-sm{display:none}
 .cat-hero h1{font-size:1.62rem}
 .hero-lead{font-size:14.5px}
 .panel-stats{grid-template-columns:1fr}
 .panel-stats li{display:flex;align-items:center;justify-content:space-between;gap:12px;text-align:left}
 .panel-stats strong{font-size:15px}
 .panel-stats span{margin-top:0;text-align:right}
 .stat-grid{grid-template-columns:1fr}
 .section-head{margin-bottom:28px}
 .card,.quote{padding:20px}
 .cta-band{padding:34px 22px}
 .btn{width:100%}
 .hero-actions .btn{width:100%}
}

/* roulang page: category3 */
:root{
 --bg:#06121f;
 --bg-alt:#0a1b2d;
 --bg-deep:#0d2438;
 --panel:rgba(255,255,255,.05);
 --panel-2:rgba(255,255,255,.085);
 --line:rgba(126,196,255,.16);
 --line-strong:rgba(126,196,255,.36);
 --text:#e9f3ff;
 --text-soft:#a7bdd4;
 --text-dim:#7f97ae;
 --primary:#2fd4c4;
 --primary-2:#1fb6ae;
 --accent:#ffb454;
 --radius-lg:18px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 6px 18px rgba(0,0,0,.28);
 --shadow:0 16px 40px rgba(0,0,0,.38);
 --shadow-lg:0 26px 60px rgba(0,0,0,.48);
 --container:1180px;
 --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:15px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:9px;font-size:15px;font-weight:600;
 border:1px solid transparent;
 transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
 white-space:nowrap;
}
.btn svg{width:17px;height:17px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#04211f;box-shadow:0 10px 24px rgba(47,212,196,.26)}
.btn-primary:hover{background:linear-gradient(135deg,#3ee3d2,#25c7bd);transform:translateY(-2px);box-shadow:0 16px 32px rgba(47,212,196,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(47,212,196,.24)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(47,212,196,.08);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:8px}
.btn-block{width:100%}

/* ---------- 标签 ---------- */
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:500;
 color:var(--text-soft);background:rgba(255,255,255,.05);
 border:1px solid var(--line);
}
.tag-accent{color:var(--accent);border-color:rgba(255,180,84,.35);background:rgba(255,180,84,.08)}
.tag-primary{color:var(--primary);border-color:rgba(47,212,196,.35);background:rgba(47,212,196,.08)}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--primary);display:inline-block}

/* ---------- 头部导航 ---------- */
.site-header{
 position:fixed;top:0;left:0;right:0;z-index:120;
 height:var(--header-h);
 background:rgba(6,18,31,.36);
 -webkit-backdrop-filter:blur(16px) saturate(160%);
 backdrop-filter:blur(16px) saturate(160%);
 border-bottom:1px solid rgba(255,255,255,.08);
 transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled{
 background:rgba(6,18,31,.94);
 border-bottom-color:var(--line);
 box-shadow:0 10px 30px rgba(0,0,0,.42);
}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--header-h)}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
 width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
 background:linear-gradient(135deg,rgba(47,212,196,.22),rgba(255,180,84,.16));
 border:1px solid rgba(47,212,196,.34);color:var(--primary);
}
.logo-mark svg{width:19px;height:19px}
.logo-text{font-size:16.5px;font-weight:700;letter-spacing:.4px;color:var(--text)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
 position:relative;padding:8px 14px;border-radius:8px;font-size:14.5px;color:var(--text-soft);
 transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-link.active{color:var(--primary);background:rgba(47,212,196,.1)}
.nav-link.active::after{
 content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,var(--primary),rgba(47,212,196,0));
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border-radius:9px;border:1px solid var(--line)}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 分类 Hero ---------- */
.cat-hero{
 position:relative;
 padding:calc(var(--header-h) + 62px) 0 74px;
 background-image:linear-gradient(180deg,rgba(6,18,31,.82) 0%,rgba(6,18,31,.92) 58%,var(--bg) 100%),url("/assets/images/backpic/back-2.webp");
 background-size:cover;background-position:center;
 overflow:hidden;
}
.cat-hero::before{
 content:"";position:absolute;inset:0;
 background:radial-gradient(700px 340px at 16% 6%,rgba(47,212,196,.2),transparent 70%),
 radial-gradient(520px 300px at 86% 24%,rgba(255,180,84,.13),transparent 72%);
 pointer-events:none;
}
.cat-hero-grid{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:start;
}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:20px}
.cat-hero h1{
 font-size:clamp(1.85rem,3.6vw,2.55rem);
 font-weight:800;letter-spacing:.5px;margin-bottom:18px;
 background:linear-gradient(180deg,#ffffff 24%,#b6e4ff 100%);
 -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;
}
.hero-sub{font-size:15.5px;line-height:1.9;color:var(--text-soft);max-width:540px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px}
.rank-panel{
 background:rgba(10,27,45,.76);
 border:1px solid var(--line);
 border-radius:var(--radius-lg);
 padding:22px 22px 18px;
 box-shadow:var(--shadow);
 -webkit-backdrop-filter:blur(12px);
 backdrop-filter:blur(12px);
}
.rank-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.rank-head h2{font-size:15px;font-weight:700;color:var(--text);letter-spacing:.3px}
.rank-head span{font-size:12px;color:var(--text-dim)}
.rank-row{
 display:grid;grid-template-columns:26px 1fr auto;gap:12px;align-items:center;
 padding:13px 0;border-bottom:1px dashed rgba(126,196,255,.14);
}
.rank-row:last-of-type{border-bottom:0}
.rank-no{
 width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;
 font-size:12.5px;font-weight:700;color:var(--text-soft);background:rgba(255,255,255,.06);border:1px solid var(--line);
}
.rank-row:first-of-type .rank-no{color:#04211f;background:linear-gradient(135deg,var(--primary),var(--primary-2));border-color:transparent}
.rank-name{font-size:14px;font-weight:600;color:var(--text)}
.rank-note{font-size:12.5px;color:var(--text-dim);margin-top:2px}
.rank-val{font-size:13px;font-weight:700;color:var(--primary)}
.rank-foot{margin-top:14px;font-size:12px;color:var(--text-dim)}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0;position:relative}
.section-alt{
 background:var(--bg-alt);
 border-top:1px solid rgba(126,196,255,.1);
 border-bottom:1px solid rgba(126,196,255,.1);
}
.section-head{max-width:730px;margin-bottom:38px}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;letter-spacing:2px;font-weight:600;color:var(--primary);
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),rgba(47,212,196,0))}
.section-title{font-size:clamp(1.4rem,2.5vw,1.86rem);font-weight:750;margin:14px 0 12px;letter-spacing:.3px}
.section-desc{color:var(--text-soft);font-size:14.8px;line-height:1.86}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- 卡片 ---------- */
.card{
 background:var(--panel);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:24px;
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
 display:flex;flex-direction:column;gap:12px;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-strong);background:var(--panel-2)}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.card-ver{font-size:19px;font-weight:800;letter-spacing:.4px;color:var(--text)}
.card-title{font-size:15.5px;font-weight:700;color:var(--text)}
.card-text{font-size:14px;line-height:1.82;color:var(--text-soft)}
.card-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.icon-box{
 width:38px;height:38px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
 background:rgba(47,212,196,.1);border:1px solid rgba(47,212,196,.28);color:var(--primary);flex-shrink:0;
}
.icon-box svg{width:19px;height:19px}
.card-media{margin:-6px -6px 4px;overflow:hidden;border-radius:var(--radius-sm)}
.card-media img{width:100%;height:170px;object-fit:cover;border-radius:var(--radius-sm);transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}

/* ---------- 更新条目列表 ---------- */
.update-list{display:grid;gap:14px}
.update-item{
 display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;
 padding:18px 20px;border-radius:var(--radius);
 background:var(--panel);border:1px solid var(--line);
 transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.update-item:hover{border-color:var(--line-strong);background:var(--panel-2);transform:translateX(3px)}
.update-idx{
 width:32px;height:32px;border-radius:9px;display:flex;align-items:center;justify-content:center;
 font-size:13px;font-weight:700;color:var(--accent);
 background:rgba(255,180,84,.1);border:1px solid rgba(255,180,84,.3);
}
.update-body h3{font-size:15px;font-weight:700;margin-bottom:5px}
.update-body p{font-size:14px;color:var(--text-soft);line-height:1.8}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
 position:relative;padding:26px 22px 22px;border-radius:var(--radius);
 background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
 border:1px solid var(--line);
 transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.step-no{
 font-size:12.5px;font-weight:700;letter-spacing:1.6px;color:var(--primary);margin-bottom:12px;display:block;
}
.step h3{font-size:15px;font-weight:700;margin-bottom:8px}
.step p{font-size:13.8px;color:var(--text-soft);line-height:1.78}

/* ---------- 清单 ---------- */
.check-list{display:grid;gap:11px;margin-top:4px}
.check-list li{display:flex;gap:10px;font-size:14px;color:var(--text-soft);line-height:1.8}
.check-list li::before{
 content:"";flex-shrink:0;width:16px;height:16px;margin-top:5px;border-radius:5px;
 background:rgba(47,212,196,.16);
 border:1px solid rgba(47,212,196,.45);
 background-image:linear-gradient(45deg,transparent 45%,var(--primary) 45%,var(--primary) 55%,transparent 55%),
 linear-gradient(-45deg,transparent 45%,var(--primary) 45%,var(--primary) 55%,transparent 55%);
 background-size:60% 60%,60% 60%;background-position:center;background-repeat:no-repeat;
}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:center}
.split-media img{width:100%;height:340px;object-fit:cover;border-radius:var(--radius-lg);border:1px solid var(--line)}
.split-body .section-title{margin-top:12px}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:900px}
.faq-item{
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
 transition:border-color .2s ease,background .2s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{background:var(--panel-2);border-color:var(--line-strong)}
.faq-item summary{
 list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:17px 22px;font-size:15px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"";width:10px;height:10px;flex-shrink:0;
 border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
 transform:rotate(45deg);transition:transform .2s ease;margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.faq-answer{padding:0 22px 20px;font-size:14px;line-height:1.85;color:var(--text-soft)}

/* ---------- 评价 ---------- */
.quote-card{
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;
 display:flex;flex-direction:column;gap:14px;
 transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.quote-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.quote-text{font-size:14.2px;line-height:1.86;color:var(--text-soft)}
.quote-user{display:flex;align-items:center;gap:10px;margin-top:auto}
.avatar{
 width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;
 font-size:13px;font-weight:700;color:#04211f;
 background:linear-gradient(135deg,var(--primary),var(--primary-2));
}
.quote-name{font-size:13.5px;font-weight:600;color:var(--text)}
.quote-role{font-size:12px;color:var(--text-dim)}

/* ---------- 资讯列表 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
 display:flex;flex-direction:column;gap:10px;
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow);background:var(--panel-2)}
.post-tag{
 align-self:flex-start;font-size:12px;font-weight:600;color:var(--primary);
 padding:4px 10px;border-radius:999px;background:rgba(47,212,196,.1);border:1px solid rgba(47,212,196,.3);
}
.post-card h3{font-size:15.5px;font-weight:700;line-height:1.55;color:var(--text)}
.post-card p{font-size:13.8px;line-height:1.8;color:var(--text-soft)}
.post-meta{font-size:12.5px;color:var(--text-dim);margin-top:auto;padding-top:8px}
.empty-note{
 padding:26px;border-radius:var(--radius);border:1px dashed var(--line-strong);
 color:var(--text-soft);font-size:14px;text-align:center;background:rgba(255,255,255,.03);
}

/* ---------- 收口 CTA ---------- */
.cta-band{padding:0 0 84px}
.cta-inner{
 position:relative;overflow:hidden;
 display:grid;grid-template-columns:1.2fr auto;gap:28px;align-items:center;
 padding:40px 42px;border-radius:var(--radius-lg);
 background:linear-gradient(120deg,rgba(47,212,196,.16),rgba(255,180,84,.09)),var(--bg-deep);
 border:1px solid var(--line-strong);
 box-shadow:var(--shadow);
}
.cta-inner h2{font-size:clamp(1.3rem,2.3vw,1.66rem);font-weight:780;margin-bottom:10px}
.cta-inner p{font-size:14.4px;color:var(--text-soft);line-height:1.84;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{
 background:var(--bg-alt);
 border-top:1px solid rgba(126,196,255,.14);
 padding:56px 0 26px;
 margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:36px}
.footer-brand p{font-size:14px;line-height:1.86;color:var(--text-soft);margin-top:16px;max-width:400px}
.footer-col h4{font-size:14.5px;font-weight:700;margin-bottom:16px;color:var(--text);letter-spacing:.3px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--text-soft);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--primary);padding-left:4px}
.footer-bottom{
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
 padding-top:22px;border-top:1px solid rgba(126,196,255,.12);
 font-size:13px;color:var(--text-dim);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .cat-hero-grid{grid-template-columns:1fr;gap:32px}
 .hero-sub{max-width:none}
 .grid-3,.grid-4,.post-grid{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:repeat(2,1fr)}
 .split{grid-template-columns:1fr;gap:28px}
 .split-media img{height:300px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
 .footer-brand{grid-column:1 / -1}
}
@media (max-width:900px){
 .main-nav{
  position:fixed;top:var(--header-h);left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  padding:14px 20px 20px;margin-left:0;
  background:rgba(6,18,31,.98);
  border-bottom:1px solid var(--line);
  box-shadow:0 20px 40px rgba(0,0,0,.5);
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;
 }
 body.nav-open .main-nav{opacity:1;transform:translateY(0);pointer-events:auto}
 .nav-link{padding:12px 14px;font-size:15px}
 .nav-link.active::after{display:none}
 .nav-toggle{display:flex}
 .header-actions .btn{display:none}
 .header-inner{gap:12px}
}
@media (max-width:768px){
 .container{padding:0 18px}
 .section{padding:56px 0}
 .cat-hero{padding:calc(var(--header-h) + 44px) 0 56px}
 .hero-actions .btn{flex:1 1 auto}
 .grid-2,.grid-3,.grid-4,.post-grid,.steps{grid-template-columns:1fr}
 .cta-inner{grid-template-columns:1fr;padding:32px 24px}
 .cta-band{padding-bottom:60px}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .card-media img{height:190px}
}
@media (max-width:520px){
 body{font-size:14.5px}
 .logo-text{font-size:15px}
 .hero-eyebrow .tag{font-size:12px}
 .cat-hero h1{font-size:1.62rem}
 .hero-sub{font-size:14.5px}
 .rank-panel{padding:18px 16px 14px}
 .rank-row{grid-template-columns:24px 1fr;row-gap:2px}
 .rank-val{grid-column:2;justify-self:start;font-size:12.5px}
 .card,.post-card,.quote-card{padding:20px}
 .faq-item summary{padding:15px 16px;font-size:14.5px}
 .faq-answer{padding:0 16px 18px}
 .footer-bottom{flex-direction:column;align-items:flex-start}
 .btn{padding:12px 18px;font-size:14.5px}
}