:root{--blue:#2980FE;--blue-dark:#1768E8;--text:#1f2937;--muted:#667085;--line:#e6eaf2;--soft:#f5f7fb;--grad:linear-gradient(90deg,#3558F2 0%,#7B4EF1 50%,#B84DDA 100%)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1120px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-inner{width:min(1180px,calc(100% - 28px));margin:auto;display:flex;align-items:center;justify-content:space-between;padding:14px 0}.logo{display:flex;gap:10px;align-items:center;font-weight:800}.logo img{width:38px;height:38px;border-radius:12px;object-fit:cover}.main-nav{display:none;gap:18px;align-items:center;color:#334155;font-size:14px}.main-nav a{padding:8px 2px}.nav-toggle{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 14px;color:#334155}.main-nav.open{display:flex;position:absolute;left:14px;right:14px;top:68px;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:0 18px 45px rgba(18,35,77,.12)}.gradient-bg{background:var(--grad);color:#fff}.network-manager-hero{padding:42px 0 34px}.hero-grid{display:grid;gap:32px}.hero-copy h1{font-size:38px;line-height:1.15;margin:14px 0}.hero-copy p{color:rgba(255,255,255,.9);font-size:16px}.eyebrow,.section-head span,.badge{display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;background:rgba(41,128,254,.1);color:var(--blue);font-weight:700;font-size:13px}.network-manager-hero .eyebrow{background:rgba(255,255,255,.18);color:#fff}.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 24px;border-radius:999px;background:var(--blue);color:#fff!important;font-weight:800;box-shadow:0 12px 24px rgba(41,128,254,.28);transition:.2s}.download-btn:hover{background:var(--blue-dark);transform:translateY(-1px)}.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.hero-tags span{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.25);padding:7px 12px;border-radius:999px}.hero-visual{position:relative;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);border-radius:34px;padding:22px;min-height:320px;display:flex;align-items:center;justify-content:center;overflow:hidden}.hero-visual img{max-height:360px;margin:auto;filter:drop-shadow(0 22px 40px rgba(12,23,54,.25))}.float-card{position:absolute;background:#fff;color:#334155;border-radius:16px;padding:9px 12px;font-size:13px;font-weight:800;box-shadow:0 14px 34px rgba(20,32,70,.16)}.float-card.top{top:20px;left:28px}.float-card.right{right:18px;top:32%}.float-card.bottom{bottom:18px;right:34px}.float-card.left{left:18px;bottom:28%}.section{padding:62px 0}.soft-bg{background:var(--soft)}.section-head{text-align:center;max-width:760px;margin:0 auto 30px}.section-head h2{font-size:30px;line-height:1.25;margin:12px 0}.section-head p{color:var(--muted)}.scene-grid,.mini-grid,.risk-grid,.process-grid{display:grid;gap:18px}.scene-card,.bento-card,.article-card,.side-panel,.safety-panel,.steps-card,.check-card,.process-grid article,.risk-grid article,.faq-list details{background:#fff;border:1px solid var(--line);border-radius:26px;padding:22px;box-shadow:0 12px 32px rgba(20,32,70,.06)}.scene-card b{color:var(--blue)}.scene-card h3,.bento-card h3{margin:8px 0}.scene-card p,.bento-card p,.side-panel p,.risk-grid p{color:var(--muted)}.scene-card a,.bento-card a,.text-link,.side-panel a,.risk-grid a,.process-grid a{color:var(--blue);font-weight:800}.bento-grid{display:grid;gap:18px}.bento-card{min-height:170px}.bento-card small{display:block;color:#7b8794;margin:8px 0}.feature-split .split,.split{display:grid;gap:30px;align-items:center}.split img,.article-img,.wifi-panel img,.diagnosis-grid img{border-radius:30px;background:#eef3ff;border:1px solid var(--line);padding:12px}.split h2{font-size:30px;line-height:1.25}.split p{color:var(--muted)}ul{padding-left:20px}.info-row{display:grid;gap:12px;margin:18px 0}.info-row span{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;font-weight:800;color:#334155}.wifi-panel,.diagnosis-grid{display:grid;gap:22px;align-items:center}.mini-grid div{background:#f8fafc;border:1px solid var(--line);border-radius:22px;padding:18px}.check-card p,.steps-card p{border-bottom:1px solid var(--line);padding-bottom:12px}.check-card p:last-child,.steps-card p:last-child{border-bottom:0}.process-grid article b{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;background:var(--blue);color:#fff;border-radius:12px}.risk-grid article{border-left:5px solid var(--blue)}.faq-list{display:grid;gap:14px}.faq-list summary{font-weight:800;cursor:pointer}.faq-list p{color:var(--muted)}.cta-section{padding:58px 0;text-align:center}.cta-section p{max-width:680px;margin:0 auto 22px;color:rgba(255,255,255,.9)}.page-hero{padding:56px 0;background:linear-gradient(180deg,#f4f7ff 0%,#fff 100%)}.page-hero h1{font-size:36px;line-height:1.18;margin:14px 0}.page-hero p{max-width:760px;color:var(--muted)}.article-layout{display:grid;gap:22px}.article-card{font-size:16px}.article-card h2{margin-top:0}.side-panel{height:max-content}.site-footer{background:#111827;color:#d1d5db;padding:44px 0 24px}.footer-grid{display:grid;gap:26px}.footer-brand{font-size:20px;font-weight:900;color:#fff}.site-footer a{display:block;color:#d1d5db;margin:7px 0}.site-footer h3{color:#fff}.copyright{text-align:center;border-top:1px solid rgba(255,255,255,.1);margin-top:28px;padding-top:20px;color:#9ca3af;font-size:14px}.compact{grid-template-columns:1fr}.safety-panel{margin-top:22px;background:#f8fbff}.safety-panel h2{margin-top:0}@media(min-width:680px){.scene-grid{grid-template-columns:repeat(2,1fr)}.mini-grid,.risk-grid,.process-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:2fr 1fr 1fr}.compact{grid-template-columns:repeat(2,1fr)}}@media(min-width:960px){.nav-toggle{display:none}.main-nav{display:flex}.network-manager-hero{padding:68px 0}.hero-grid,.split,.feature-split .split,.wifi-panel,.diagnosis-grid,.article-layout{grid-template-columns:1.05fr .95fr}.reverse{direction:rtl}.reverse>*{direction:ltr}.hero-copy h1{font-size:58px}.scene-grid{grid-template-columns:repeat(3,1fr)}.bento-grid{grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(170px,auto)}.bento-card.large{grid-column:span 2}.bento-card.tall{grid-row:span 2}.risk-grid{grid-template-columns:repeat(3,1fr)}.process-grid{grid-template-columns:repeat(3,1fr)}.info-row{grid-template-columns:repeat(3,1fr)}.page-hero h1{font-size:48px}.compact{grid-template-columns:repeat(4,1fr)}}@media(max-width:420px){.container{width:min(100% - 24px,1120px)}.hero-copy h1{font-size:32px}.section-head h2,.split h2{font-size:26px}.section{padding:46px 0}.float-card{font-size:12px}.download-btn{width:100%}}