*{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:#273044;background:#f6f8fc;line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid #e7ebf3}.header-inner{width:min(1180px,calc(100% - 28px));margin:0 auto;min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}.logo,.footer-logo{display:flex;align-items:center;gap:10px;font-weight:800;color:#152033}.logo img,.footer-logo img{width:38px;height:38px;border-radius:12px;object-fit:cover}.nav-toggle{position:absolute;opacity:0;pointer-events:none}.nav-toggle-label{width:42px;height:42px;border:1px solid #dfe5ef;border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:#fff}.nav-toggle-label span{width:18px;height:2px;background:#263248;border-radius:2px}.site-nav{position:absolute;left:16px;right:16px;top:72px;background:#fff;border:1px solid #e5eaf2;border-radius:22px;padding:12px;display:none;box-shadow:0 18px 45px rgba(35,48,82,.12)}.nav-toggle:checked~.site-nav{display:grid}.site-nav a{padding:11px 13px;border-radius:14px;color:#4b5568;font-size:15px}.site-nav a.active,.site-nav a:hover{background:#eef5ff;color:#2980FE}.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 24px;border-radius:999px;background:#2980FE;color:#fff!important;font-weight:800;box-shadow:0 12px 28px rgba(41,128,254,.26);transition:.2s ease}.download-btn:hover{background:#1768E8;transform:translateY(-1px)}.gradient-bg,.network-manager-hero,.cta-section{background:linear-gradient(90deg,#3558F2 0%,#7B4EF1 50%,#B84DDA 100%)}.section{padding:56px 0}.section-head{margin-bottom:24px}.section-kicker,.badge{display:inline-flex;align-items:center;gap:6px;color:#2980FE;background:#eef5ff;border:1px solid #dceaff;padding:6px 12px;border-radius:999px;font-size:13px;font-weight:800}.section-title{margin:12px 0 10px;font-size:30px;line-height:1.18;color:#151d31}.section-desc{margin:0;color:#667085;max-width:760px}.network-manager-hero{width:min(1180px,calc(100% - 28px));margin:22px auto 0;border-radius:32px;padding:28px;color:#fff;position:relative;overflow:hidden}.network-manager-hero:before{content:"";position:absolute;inset:auto -12% -32% 35%;height:330px;background:rgba(255,255,255,.18);filter:blur(24px);border-radius:50%}.hero-grid{display:grid;gap:28px;position:relative}.hero-copy h1{font-size:38px;line-height:1.14;margin:10px 0 14px;letter-spacing:-.04em}.hero-copy p{color:rgba(255,255,255,.88);margin:0 0 22px;max-width:620px}.hero-tags,.floating-tags,.mini-tags{display:flex;flex-wrap:wrap;gap:10px}.hero-tags span,.floating-tags span,.mini-tags span{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);color:#fff;padding:7px 12px;border-radius:999px;font-size:13px}.hero-visual{position:relative;min-height:280px;display:flex;align-items:center;justify-content:center}.hero-phone{width:min(320px,85%);border-radius:30px;box-shadow:0 28px 60px rgba(10,20,60,.26)}.float-card{position:absolute;background:rgba(255,255,255,.94);color:#1b2540;border-radius:18px;padding:12px 14px;box-shadow:0 18px 35px rgba(13,21,58,.18);font-weight:800;font-size:14px}.float-card small{display:block;color:#667085;font-weight:600}.float-card.one{top:10%;left:0}.float-card.two{right:0;top:38%}.float-card.three{left:8%;bottom:8%}.daily-scenes{display:grid;gap:16px}.scene-card,.bento-card,.feature-panel,.safety-panel,.faq-item,.risk-card,.step-card,.content-card,.notice-card{background:#fff;border:1px solid #e7ebf3;border-radius:26px;box-shadow:0 14px 34px rgba(28,38,70,.06)}.scene-card{padding:22px}.scene-card strong,.bento-card strong{color:#2980FE;font-size:13px}.scene-card h3,.bento-card h3,.content-card h3{margin:8px 0 8px;color:#172033}.scene-card p,.bento-card p,.content-card p,.risk-card p,.step-card p,.notice-card p{margin:0;color:#667085}.text-link{display:inline-flex;margin-top:14px;color:#2980FE;font-weight:800}.bento-feature-center{display:grid;gap:16px}.bento-card{padding:22px;min-height:170px;display:flex;flex-direction:column;justify-content:space-between}.bento-card.large{min-height:230px}.feature-panel{padding:22px;overflow:hidden}.split{display:grid;gap:24px;align-items:center}.feature-panel img{border-radius:26px;background:#f0f4fb}.feature-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}.feature-list li{padding:12px 14px;background:#f7f9fc;border:1px solid #e8edf5;border-radius:18px;color:#536072}.smart-route-section{background:#eef4ff}.route-grid{display:grid;gap:18px}.route-card{background:#fff;border-radius:28px;padding:20px;border:1px solid #dfe7f4}.route-card img{border-radius:22px}.public-wifi-section .wifi-grid,.privacy-guard-section .privacy-grid,.multi-device-section .device-grid,.network-diagnosis-section .diagnosis-grid,.account-security-section .account-grid{display:grid;gap:16px}.safety-panel{padding:22px}.safety-panel h3{margin:0 0 8px}.safety-panel p{color:#667085;margin:0}.public-wifi-section img,.privacy-guard-section img,.multi-device-section img,.network-diagnosis-section img,.account-security-section img{border-radius:28px}.process-steps{display:grid;gap:16px}.step-card{padding:22px;position:relative}.step-number{width:36px;height:36px;border-radius:12px;background:#2980FE;color:#fff;display:grid;place-items:center;font-weight:900;margin-bottom:12px}.risk-grid{display:grid;gap:16px}.risk-card{padding:20px;border-left:4px solid #2980FE}.risk-card h3{margin:0 0 6px}.risk-card span{display:block;margin-top:10px;color:#2980FE;font-weight:800}.faq-list{display:grid;gap:14px}.faq-item{padding:20px}.faq-item h3{margin:0 0 8px;color:#172033}.faq-item p{margin:0;color:#667085}.cta-section{width:min(1120px,calc(100% - 32px));margin:34px auto 56px;border-radius:32px;padding:34px 24px;text-align:center;color:#fff}.cta-section p{color:rgba(255,255,255,.86);max-width:680px;margin:0 auto 20px}.page-hero{padding:50px 0 28px;background:linear-gradient(180deg,#f0f5ff 0%,#f6f8fc 100%)}.page-hero .container{display:grid;gap:14px}.page-hero h1{font-size:34px;line-height:1.18;margin:8px 0;color:#141d31}.page-hero p{margin:0;color:#667085;max-width:790px}.content-layout{display:grid;gap:20px;padding:28px 0 56px}.article-main{display:grid;gap:18px}.content-card{padding:24px}.content-card h2{margin:0 0 10px;color:#152033;font-size:24px}.content-card ul,.content-card ol{margin:12px 0 0;padding-left:20px;color:#536072}.content-card li+li{margin-top:8px}.side-panel{display:grid;gap:16px;align-content:start}.notice-card{padding:20px}.notice-card h3{margin:0 0 8px;color:#172033}.simple-grid,.check-grid{display:grid;gap:14px}.download-page-panel{text-align:center;padding:30px}.download-page-panel .download-btn{margin:16px 0}.download-steps{counter-reset:step;display:grid;gap:14px;margin-top:18px;text-align:left}.download-steps li{list-style:none;background:#f7f9fc;border:1px solid #e7ebf3;border-radius:18px;padding:14px}.site-footer{background:#111827;color:#d1d5db;padding-top:42px}.footer-grid{display:grid;gap:26px}.site-footer a{display:block;color:#d1d5db;margin:8px 0}.site-footer h3{color:#fff;margin:0 0 10px}.site-footer p{color:#aeb7c6;margin:12px 0 0}.footer-bottom{text-align:center;border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding:18px;color:#9ca3af;font-size:14px}.footer-logo{color:#fff}.footer-logo img{width:34px;height:34px}.soft-bg{background:#f0f5ff}.highlight-line{height:4px;width:58px;border-radius:99px;background:#2980FE;margin-bottom:12px}.table-like{display:grid;gap:10px}.table-like div{padding:14px;background:#f7f9fc;border:1px solid #e7ebf3;border-radius:16px}.pill-row{display:flex;flex-wrap:wrap;gap:10px}.pill-row span{padding:7px 11px;background:#eef5ff;color:#2980FE;border-radius:999px;font-weight:800;font-size:13px}.image-card{padding:12px;background:#fff;border:1px solid #e7ebf3;border-radius:30px;box-shadow:0 14px 34px rgba(28,38,70,.06)}.image-card img{border-radius:22px;width:100%}
@media (min-width:720px){.section{padding:72px 0}.daily-scenes{grid-template-columns:repeat(2,1fr)}.bento-feature-center{grid-template-columns:repeat(2,1fr)}.simple-grid,.check-grid{grid-template-columns:repeat(2,1fr)}.risk-grid{grid-template-columns:repeat(2,1fr)}.process-steps{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}.public-wifi-section .wifi-grid,.privacy-guard-section .privacy-grid,.multi-device-section .device-grid,.network-diagnosis-section .diagnosis-grid,.account-security-section .account-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:980px){.nav-toggle-label{display:none}.site-nav{position:static;display:flex!important;align-items:center;justify-content:flex-end;gap:2px;background:transparent;border:0;border-radius:0;padding:0;box-shadow:none}.site-nav a{font-size:14px;padding:8px 10px}.network-manager-hero{padding:48px;border-radius:38px}.hero-grid{grid-template-columns:1.05fr .95fr}.hero-copy h1{font-size:58px}.daily-scenes{grid-template-columns:repeat(3,1fr)}.bento-feature-center{grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(170px,auto)}.bento-card.large{grid-column:span 2;grid-row:span 2}.bento-card.wide{grid-column:span 2}.split{grid-template-columns:1fr 1fr}.route-grid{grid-template-columns:1.1fr .9fr}.public-wifi-section .wifi-grid{grid-template-columns:1.1fr .9fr}.privacy-guard-section .privacy-grid{grid-template-columns:repeat(3,1fr)}.multi-device-section .device-grid{grid-template-columns:.95fr 1.05fr}.network-diagnosis-section .diagnosis-grid{grid-template-columns:1fr 1fr 1fr}.account-security-section .account-grid{grid-template-columns:1fr 1fr}.process-steps{grid-template-columns:repeat(3,1fr)}.risk-grid{grid-template-columns:repeat(4,1fr)}.content-layout{grid-template-columns:minmax(0,1fr) 320px}.page-hero h1{font-size:46px}.section-title{font-size:40px}.hero-visual{min-height:440px}.hero-phone{width:360px}.site-nav a:last-child{background:#eef5ff;color:#2980FE;font-weight:800}.site-nav a:last-child.active{background:#2980FE;color:#fff}}
@media (max-width:420px){.container{width:min(100% - 24px,1120px)}.network-manager-hero{width:min(100% - 20px,1180px);padding:24px 18px;border-radius:26px}.hero-copy h1{font-size:34px}.section-title{font-size:28px}.float-card{position:static;margin:8px 0}.hero-visual{display:block;min-height:0}.hero-phone{margin:0 auto 12px}.download-btn{width:100%;padding-left:18px;padding-right:18px}.cta-section .download-btn,.hero-copy .download-btn{width:auto}.site-nav{left:10px;right:10px}.content-card,.safety-panel,.scene-card,.bento-card{border-radius:22px;padding:20px}}