:root{--brand:#14b8a6;--brand-2:#3b82f6;--accent:#ff8a3d;--dark:#0b1220;--ink:#0f172a;--mut:#5b6b85;--line:#e3e9f3;--bg:#f6f9fc;--card:#fff;--grad:linear-gradient(120deg,#3b82f6 0%,#14b8a6 100%);--grad-2:linear-gradient(120deg,#0ea5e9 0%,#22d3ee 100%);--shadow:0 10px 34px rgba(15,23,42,.08);--radius:16px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:'PingFang SC','Microsoft YaHei','Segoe UI',system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}ul,ol{list-style:none}button{font-family:inherit;cursor:pointer;border:none;background:none}.wrap{width:min(1200px,92%);margin:0 auto}.skip{position:absolute;left:-9999px}.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:14px 0;transition:all .35s ease;background:transparent}.nav.scrolled{background:rgba(10,16,32,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 6px 24px rgba(2,8,23,.35);padding:8px 0}.nav .wrap{display:flex;align-items:center;gap:26px}.logo{display:flex;align-items:center;gap:10px;flex:none}.logo img{height:40px;width:40px;border-radius:10px}.logo b{font-size:19px;letter-spacing:.5px}.nav.light .logo b{color:#fff}.nav.light .main>li>a{color:#dbe6f5}.nav.main-nav{background:#fff;box-shadow:0 4px 20px rgba(15,23,42,.06);padding:10px 0}.nav.main-nav .logo b{color:var(--ink)}.nav.main-nav .main>li>a{color:#334155}.main{display:flex;align-items:center;gap:6px;flex:1}.main>li{position:relative}.main>li>a{display:flex;align-items:center;gap:5px;padding:10px 14px;border-radius:10px;font-size:15px;font-weight:500;transition:.25s}.nav.main-nav .main>li>a:hover{color:var(--brand)}.nav.light .main>li>a:hover{color:#fff}.arrow{display:inline-block;font-size:11px;transition:transform .3s}.main>li:hover>.arrow{transform:rotate(180deg)}.drop{position:absolute;top:calc(100% + 8px);left:0;min-width:208px;background:#fff;border-radius:14px;box-shadow:0 16px 40px rgba(15,23,42,.14);padding:8px;opacity:0;visibility:hidden;transform:translateY(12px);transition:.28s}.main>li:hover .drop{opacity:1;visibility:visible;transform:translateY(0)}.drop a{display:block;padding:9px 14px;border-radius:9px;font-size:14px;color:#475569;transition:.2s}.drop a:hover{background:#eefaf8;color:var(--brand)}.nav-cta{margin-left:auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:999px;font-weight:600;font-size:15px;transition:all .3s;white-space:nowrap}.btn-grad{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(20,184,166,.32)}.btn-grad:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(20,184,166,.44)}.btn-ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06)}.btn-ghost:hover{background:rgba(255,255,255,.16)}.btn-outline{border:1.5px solid var(--brand);color:var(--brand)}.btn-outline:hover{background:var(--brand);color:#fff}.btn-dark{background:var(--dark);color:#fff}.btn-dark:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(11,18,32,.35)}.btn-lg{padding:13px 28px;font-size:15px}.burger{display:none;flex-direction:column;gap:5px;margin-left:auto;padding:8px}.burger span{width:26px;height:3px;border-radius:3px;background:#fff;transition:.3s}.nav.main-nav .burger span{background:var(--ink)}.burger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}.burger.open span:nth-child(2){opacity:0}.burger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}.hero{position:relative;background:radial-gradient(1100px 560px at 82% -10%,rgba(20,184,166,.32),transparent 60%),radial-gradient(900px 520px at 8% 8%,rgba(59,130,246,.34),transparent 62%),var(--dark);color:#fff;padding:112px 0 56px;overflow:hidden}.hero::after{content:'';position:absolute;inset:0;background:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40"><circle cx="1" cy="1" r="1" fill="rgba(255,255,255,.07)"/></svg>');opacity:.6}.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(20,184,166,.14);border:1px solid rgba(20,184,166,.45);color:#7de8dc;padding:6px 14px;border-radius:999px;font-size:13px;margin-bottom:14px}.hero h1{font-size:clamp(28px,3.4vw,40px);line-height:1.2;letter-spacing:1px;margin-bottom:12px}.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero .lead{font-size:16px;color:#b9c6dd;max-width:540px;margin-bottom:18px}.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:560px}.hstat{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:16px 14px;text-align:center}.hstat b{display:block;font-size:24px;background:var(--grad-2);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hstat i{font-style:normal;font-size:12.5px;color:#93a5c4}.device{background:linear-gradient(160deg,#101a30,#0b1220);border:1px solid rgba(120,160,255,.22);border-radius:22px;padding:16px;box-shadow:0 30px 70px rgba(2,8,23,.6)}.device-bar{display:flex;align-items:center;gap:8px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:16px}.device-bar i{width:11px;height:11px;border-radius:50%;background:#f87171}.device-bar i:nth-child(2){background:#fbbf24}.device-bar i:nth-child(3){background:#34d399}.device-bar span{margin-left:auto;font-size:12px;color:#7f92b5}.gauge{position:relative;width:170px;height:170px;margin:6px auto 12px}.gauge svg{width:100%;height:100%;transform:rotate(-90deg)}.gauge .track{fill:none;stroke:rgba(255,255,255,.1);stroke-width:12}.gauge .val{fill:none;stroke:url(#gg);stroke-width:12;stroke-linecap:round;stroke-dasharray:565;stroke-dashoffset:565;transition:stroke-dashoffset 1.2s cubic-bezier(.4,0,.2,1)}.gauge-core{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.gauge-core b{font-size:34px}.gauge-core b span{font-size:14px;color:#7f92b5}.gauge-core i{font-style:normal;font-size:12.5px;color:#7de8dc;letter-spacing:1px}.demo-metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}.dmetric{background:rgba(255,255,255,.05);border-radius:12px;padding:10px 12px;display:flex;align-items:center;gap:9px}.dmetric .ic{width:34px;height:34px;border-radius:9px;background:rgba(20,184,166,.15);color:#2dd4bf;display:flex;align-items:center;justify-content:center;font-size:16px}.dmetric b{font-size:16px}.dmetric i{font-style:normal;display:block;font-size:11.5px;color:#7f92b5}.dnode{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:9px 13px;margin-bottom:14px;font-size:13.5px;color:#c6d4ea}.dnode b{color:#fff}.dnode .sel{margin-left:auto;color:#2dd4bf;font-size:12px}.dnode:hover{border-color:rgba(45,212,191,.6)}.dswitch{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.dswitch button{flex:1;padding:8px 6px;border-radius:10px;border:1px solid rgba(255,255,255,.14);color:#9fb1cf;font-size:12.5px;transition:.2s}.dswitch button.on{border-color:#2dd4bf;color:#2dd4bf;background:rgba(20,184,166,.12)}.connect{width:100%;padding:14px;border-radius:14px;font-size:16.5px;font-weight:700;letter-spacing:2px;transition:.3s}.connect.off{background:var(--grad);color:#fff}.connect.off:hover{filter:brightness(1.1)}.connect.on{background:rgba(248,113,113,.14);border:1px solid rgba(248,113,113,.5);color:#fca5a5}.sec{padding:92px 0}.sec.alt{background:#fff}.sec-head{text-align:center;max-width:760px;margin:0 auto 54px}.sec-head .kicker{display:inline-block;color:var(--brand);font-weight:700;font-size:14px;letter-spacing:3px;margin-bottom:12px}.sec-head h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:14px;letter-spacing:1px}.sec-head p{color:var(--mut);font-size:16px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.3s;box-shadow:0 2px 10px rgba(15,23,42,.03)}.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#cfe9e4}.fcard .fic{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,rgba(59,130,246,.12),rgba(20,184,166,.18));display:flex;align-items:center;justify-content:center;font-size:25px;margin-bottom:18px}.fcard h3{font-size:18px;margin-bottom:10px}.fcard p{color:var(--mut);font-size:14.5px}.scard{position:relative;overflow:hidden;padding:28px;border-radius:var(--radius);background:var(--dark);color:#fff;min-height:190px;transition:.3s}.scard:hover{transform:translateY(-6px)}.scard::after{content:'';position:absolute;inset:0;background:radial-gradient(400px 200px at 100% 0,rgba(20,184,166,.3),transparent 65%)}.scard .num{position:absolute;top:16px;right:20px;font-size:52px;font-weight:800;color:rgba(255,255,255,.07);z-index:0}.scard h3{position:relative;z-index:1;font-size:18px;margin:52px 0 8px}.scard p{position:relative;z-index:1;color:#a9bad6;font-size:14px}.scard .sic{width:46px;height:46px;border-radius:12px;background:rgba(20,184,166,.18);color:#2dd4bf;display:flex;align-items:center;justify-content:center;font-size:21px}.nodes-band{background:linear-gradient(180deg,#0b1220,#0d1830);color:#fff;padding:92px 0}.node-map{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}.node-pin{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:16px;text-align:center;transition:.25s}.node-pin:hover{border-color:#2dd4bf;transform:translateY(-4px)}.node-pin b{font-size:16px}.node-pin i{font-style:normal;display:block;font-size:12.5px;color:#7f92b5;margin-top:4px}.node-pin em{font-style:normal;display:inline-block;margin-top:8px;font-size:12px;color:#2dd4bf;background:rgba(20,184,166,.12);padding:2px 10px;border-radius:999px}.speed-band{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.speed-num b{font-size:clamp(42px,6vw,72px);background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.1}.speed-num p{color:#93a5c4;margin-top:10px;font-size:15.5px}.speed-list{display:grid;gap:14px}.speed-list li{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.05);border-radius:12px;padding:14px 18px}.speed-list .tag{flex:none;width:74px;font-size:13px;text-align:center;padding:5px 0;border-radius:8px;background:rgba(59,130,246,.2);color:#93c5fd}.speed-list .tag.t2{background:rgba(20,184,166,.2);color:#5eead4}.speed-list .tag.t3{background:rgba(255,138,61,.2);color:#fdba74}.speed-list b{font-size:17px}.speed-list p{font-size:13px;color:#7f92b5}.proto-band{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.proto{position:relative;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;background:#fff;transition:.3s;overflow:hidden}.proto:hover{box-shadow:var(--shadow);transform:translateY(-5px)}.proto::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}.proto h3{font-size:19px;margin-bottom:10px}.proto p{color:var(--mut);font-size:14.5px;margin-bottom:14px}.proto .meta{display:flex;gap:8px;flex-wrap:wrap}.proto .meta span{font-size:12px;padding:3px 11px;border-radius:999px;background:#eef7f6;color:#0f9d8d}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.step{position:relative;text-align:center;padding:34px 20px 26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}.step .snum{width:52px;height:52px;margin:0 auto 16px;border-radius:50%;background:var(--grad);color:#fff;font-size:20px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 22px rgba(20,184,166,.3)}.step h3{font-size:17px;margin-bottom:8px}.step p{color:var(--mut);font-size:13.5px}.plan{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px 28px;transition:.3s}.plan:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.plan.hot{border:2px solid var(--brand);box-shadow:0 18px 44px rgba(20,184,166,.18)}.plan .hot-tag{position:absolute;top:-15px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;font-size:12.5px;font-weight:700;padding:5px 18px;border-radius:999px;letter-spacing:1px}.plan h3{font-size:18px;color:var(--mut)}.plan .price{font-size:42px;font-weight:800;margin:12px 0 2px}.plan .price small{font-size:15px;color:var(--mut);font-weight:500}.plan .pd{color:var(--mut);font-size:13.5px;margin-bottom:20px}.plan ul{margin-bottom:26px}.plan li{display:flex;gap:9px;align-items:flex-start;padding:7px 0;font-size:14.5px;color:#3d4c63}.plan li::before{content:'✓';flex:none;width:20px;height:20px;border-radius:50%;background:#dcf5f0;color:#0f9d8d;font-size:12px;display:flex;align-items:center;justify-content:center}.plan .btn{width:100%}.faq{max-width:820px;margin:0 auto}.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden}.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:19px 24px;font-size:16px;font-weight:600;text-align:left;color:var(--ink)}.faq-q .qi{flex:none;width:30px;height:30px;border-radius:9px;background:#e6f7f4;color:#0f9d8d;font-size:14px;display:flex;align-items:center;justify-content:center}.faq-q .pm{flex:none;font-size:20px;color:#9aa9c2;transition:transform .3s}.faq-item.open .pm{transform:rotate(45deg)}.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}.faq-a .inner{padding:0 24px 22px 24px;color:var(--mut);font-size:14.5px}.faq-a .inner ol{padding-left:20px;list-style:decimal}.faq-a .inner li{margin:5px 0}.testi{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.tcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}.tcard .stars{color:#fbbf24;letter-spacing:2px;margin-bottom:12px}.tcard p{color:#3d4c63;font-size:14.5px;margin-bottom:18px}.tcard .who{display:flex;align-items:center;gap:12px}.tcard .av{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}.tcard .who b{font-size:14.5px}.tcard .who i{font-style:normal;font-size:12.5px;color:var(--mut)}.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.ncard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}.ncard:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.ncard .nimg{aspect-ratio:16/9;overflow:hidden;background:#e8eef7}.ncard .nimg img{width:100%;height:100%;object-fit:cover;transition:transform .5s}.ncard:hover .nimg img{transform:scale(1.07)}.ncard .nbody{padding:20px 22px 24px}.ncard .ndate{font-size:12.5px;color:var(--mut);display:flex;gap:8px;align-items:center;margin-bottom:10px}.ncard .ndate span{background:#eef7f6;color:#0f9d8d;padding:2px 10px;border-radius:999px}.ncard h3{font-size:16.5px;line-height:1.5;margin-bottom:10px}.ncard h3 a:hover{color:var(--brand)}.ncard p{color:var(--mut);font-size:13.5px}.cta{position:relative;background:linear-gradient(130deg,#0b1220 30%,#123a4e);color:#fff;padding:88px 0;text-align:center;overflow:hidden}.cta::before{content:'';position:absolute;inset:0;background:radial-gradient(600px 300px at 50% 120%,rgba(20,184,166,.35),transparent 70%)}.cta .wrap{position:relative}.cta h2{font-size:clamp(26px,3.4vw,38px);margin-bottom:14px}.cta p{color:#a9bad6;margin-bottom:32px;font-size:16.5px}.cta .btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.foot{background:#070d1a;color:#8fa0bd;padding:64px 0 0;font-size:14px}.foot .wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}.foot h4{color:#fff;font-size:15.5px;margin-bottom:18px}.foot li{margin:9px 0}.foot a:hover{color:#2dd4bf}.foot .fdesc{max-width:300px;margin:14px 0 18px;font-size:13.5px}.foot .fsocial{display:flex;gap:10px}.foot .fsocial a{width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;font-size:15px}.foot .copy{border-top:1px solid rgba(255,255,255,.08);text-align:center;padding:20px 0;font-size:12.5px;color:#5f7191}.page-hero{background:var(--dark);color:#fff;padding:158px 0 84px;text-align:center;position:relative;overflow:hidden}.page-hero::after{content:'';position:absolute;inset:0;background:radial-gradient(700px 320px at 50% -20%,rgba(20,184,166,.3),transparent 70%)}.page-hero .wrap{position:relative;z-index:1}.page-hero h1{font-size:clamp(28px,4vw,44px);margin-bottom:14px}.page-hero p{color:#a9bad6;font-size:16.5px;max-width:640px;margin:0 auto}.crumb{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:#7f92b5;margin-bottom:16px}.crumb a:hover{color:#2dd4bf}.crumb .sep{color:#475569}.dl-hero{padding:150px 0 80px;background:radial-gradient(1000px 520px at 90% -10%,rgba(20,184,166,.28),transparent 60%),var(--dark);color:#fff}.dl-hero .wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.dl-hero h1{font-size:clamp(30px,4vw,46px);margin-bottom:16px}.dl-hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.dl-hero .lead{color:#b9c6dd;font-size:16.5px;margin-bottom:28px;max-width:520px}.dl-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.dl-meta span{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:8px 16px;font-size:13px;color:#c6d4ea}.dl-meta b{color:#2dd4bf}.ver-band{padding:92px 0;background:var(--bg)}.ver-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.ver{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;transition:.3s}.ver:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.ver .vtop{display:flex;align-items:baseline;gap:10px;margin-bottom:6px}.ver .vtop b{font-size:22px}.ver .vtop span{background:#e6f7f4;color:#0f9d8d;font-size:12px;padding:2px 10px;border-radius:999px}.ver .vsize{color:var(--mut);font-size:13.5px;margin-bottom:16px}.ver ul{flex:1;margin-bottom:22px}.ver li{display:flex;gap:9px;align-items:flex-start;padding:6px 0;font-size:14px;color:#3d4c63}.ver li::before{content:'✓';color:#0f9d8d;font-weight:700}.ver .btn{width:100%}.req{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.req-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;gap:14px;align-items:flex-start}.req-card .ric{flex:none;width:44px;height:44px;border-radius:11px;background:linear-gradient(135deg,rgba(59,130,246,.13),rgba(20,184,166,.2));font-size:20px;display:flex;align-items:center;justify-content:center}.req-card b{font-size:15.5px}.req-card p{color:var(--mut);font-size:13.5px;margin-top:4px}.news-list .news-grid{grid-template-columns:repeat(2,1fr)}.news-hero{margin-bottom:60px}.article-wrap{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:start}.article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:44px 48px}.article .ahead .crumb{display:flex;margin-bottom:14px}.article h1{font-size:clamp(24px,3vw,34px);line-height:1.4;margin-bottom:16px}.article .ameta{display:flex;gap:18px;flex-wrap:wrap;color:var(--mut);font-size:13.5px;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:26px}.article .lead-p{font-size:17px;color:#334155;background:#f3faf9;border-left:4px solid var(--brand);padding:16px 20px;border-radius:0 12px 12px 0;margin-bottom:28px}.article h2{font-size:23px;margin:38px 0 16px;scroll-margin-top:96px;padding-left:14px;border-left:4px solid var(--brand)}.article h2 span{color:var(--mut);font-size:14px;margin-left:10px;font-weight:500}.article p{color:#3d4c63;margin-bottom:18px;font-size:15.5px;text-align:justify}.article img{border-radius:14px;margin:22px 0}.article figcaption{text-align:center;font-size:12.5px;color:var(--mut);margin-top:-14px;margin-bottom:24px}.article blockquote{border-left:4px solid var(--accent);background:#fff7f0;padding:16px 22px;border-radius:0 12px 12px 0;margin:24px 0;color:#7c4a21;font-size:15px}.article blockquote b{display:block;margin-top:8px;font-size:13px;color:#b26a33}.data-table{width:100%;border-collapse:collapse;margin:20px 0 26px;font-size:14px}.data-table th{background:#0b1220;color:#fff;padding:12px 14px;text-align:left}.data-table td{padding:11px 14px;border-bottom:1px solid var(--line);color:#3d4c63}.data-table tr:nth-child(even) td{background:#f8fbfd}.comment-sec{margin-top:44px;padding-top:32px;border-top:1px solid var(--line)}.comment-sec h3{font-size:20px;margin-bottom:22px}.cm{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line)}.cm .cav{flex:none;width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px}.cm .cav.c1{background:linear-gradient(135deg,#3b82f6,#14b8a6)}.cm .cav.c2{background:linear-gradient(135deg,#f59e0b,#ff8a3d)}.cm .cav.c3{background:linear-gradient(135deg,#8b5cf6,#6366f1)}.cm .cav.c4{background:linear-gradient(135deg,#ec4899,#f43f5e)}.cm .cav.c5{background:linear-gradient(135deg,#06b6d4,#3b82f6)}.cm b{font-size:14.5px}.cm i{font-style:normal;font-size:12px;color:var(--mut);margin-left:10px}.cm p{font-size:14px;color:#475569;margin:6px 0 0}.pager{display:flex;justify-content:space-between;gap:14px;margin-top:38px;flex-wrap:wrap}.pager a{background:#f3f6fb;border:1px solid var(--line);border-radius:12px;padding:12px 18px;font-size:14px;max-width:48%;transition:.25s}.pager a:hover{border-color:var(--brand);color:var(--brand)}.pager a span{display:block;font-size:12px;color:var(--mut)}.pager .back{margin:38px auto 0;display:table;background:var(--dark);color:#fff;padding:10px 26px;border-radius:999px;font-size:14px}.related{margin-top:48px}.related h3{font-size:20px;margin-bottom:20px}.related .grid3{gap:16px}.related .ncard h3{font-size:14.5px}.aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}.aside-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 6px 18px rgba(15,23,42,.05)}.aside-card h3{font-size:16px;display:flex;align-items:center;gap:9px;margin-bottom:16px}.aside-card h3::before{content:'';width:4px;height:18px;border-radius:2px;background:var(--brand)}.toc{position:relative;padding-left:18px}.toc::before{content:'';position:absolute;left:4px;top:6px;bottom:6px;width:2px;background:var(--line)}.toc a{position:relative;display:block;padding:7px 0 7px 14px;font-size:13.5px;color:#54637d;transition:.2s;line-height:1.45}.toc a::before{content:'';position:absolute;left:-18px;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid #c3cddd;transition:.2s}.toc a.active{color:var(--brand);font-weight:700}.toc a.active::before{border-color:var(--brand);background:var(--brand)}.rank li{margin-bottom:6px}.rank a{display:flex;align-items:center;gap:10px;font-size:13.5px;color:#475569;padding:6px 8px;border-radius:9px;transition:.2s}.rank a:hover{background:#f3faf9;color:var(--brand)}.rank .badge{flex:none;width:22px;height:22px;border-radius:7px;color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;transition:transform .2s}.rank a:hover .badge{transform:scale(1.15)}.rank .r1{background:linear-gradient(135deg,#3b82f6,#14b8a6)}.rank .r2{background:linear-gradient(135deg,#fb923c,#f97316)}.rank .r3{background:linear-gradient(135deg,#facc15,#f59e0b)}.rank .rn{background:#cbd5e1}.tags{display:flex;flex-wrap:wrap;gap:9px}.tags a{font-size:12.5px;color:#54637d;border:1px solid var(--line);padding:5px 13px;border-radius:999px;transition:.2s}.tags a:hover{color:var(--brand);border-color:var(--brand)}.map-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}.map-list .card h3{font-size:15.5px;margin-bottom:10px}.map-list li{margin:6px 0;font-size:13.5px;color:#475569}.map-list li a:hover{color:var(--brand)}.e404{min-height:100vh;background:radial-gradient(800px 500px at 50% 0,rgba(20,184,166,.25),transparent 65%),var(--dark);color:#fff;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px 20px}.e404 .code{font-size:clamp(90px,18vw,170px);font-weight:900;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.e404 h1{font-size:24px;margin:18px 0 12px}.e404 p{color:#9fb1cf;margin-bottom:30px}.e404 .btn{margin-bottom:26px}.e404 .cd{color:#7de8dc;font-size:15px}.to-top{position:fixed;right:26px;bottom:30px;width:46px;height:46px;border-radius:13px;background:var(--grad);color:#fff;font-size:19px;display:none;align-items:center;justify-content:center;z-index:900;box-shadow:0 10px 24px rgba(20,184,166,.4)}.to-top.show{display:flex}@media(max-width:992px){.main{position:fixed;top:0;right:-320px;width:300px;height:100vh;background:#fff;flex-direction:column;align-items:stretch;padding:86px 22px 30px;transition:right .35s;box-shadow:-20px 0 50px rgba(2,8,23,.2);overflow-y:auto;gap:2px}.main.open{right:0}.main>li>a{color:#334155!important;font-size:16px;padding:13px 10px;display:flex;justify-content:space-between}.main>li>a .arrow{transform:none}.main>li.open>.arrow{transform:rotate(180deg)}.drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border-radius:0;background:#f6f9fc;min-width:0;display:none;margin:2px 0 6px;padding:6px 10px}.main>li.open .drop{display:block}.burger{display:flex}.nav-cta{margin-left:0}.nav-cta .btn{padding:10px 20px;font-size:14px}.hero{padding:108px 0 48px}.hero .wrap{grid-template-columns:1fr;gap:44px}.hero-stats{max-width:100%}.dl-hero .wrap{grid-template-columns:1fr;gap:40px}.grid3,.grid4{grid-template-columns:repeat(2,1fr)}.speed-band{grid-template-columns:1fr}.proto-band{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.article-wrap{grid-template-columns:1fr}.aside{position:static}.news-list .news-grid{grid-template-columns:1fr}.foot .wrap{grid-template-columns:1fr 1fr}.ver-cards{grid-template-columns:1fr;max-width:520px;margin:0 auto}.req{grid-template-columns:repeat(2,1fr)}.map-list{grid-template-columns:1fr 1fr}}@media(max-width:768px){.grid3,.grid4,.testi,.news-grid,.map-list{grid-template-columns:1fr}.sec{padding:68px 0}.hero h1{font-size:28px}.article{padding:30px 22px}.article p{font-size:15px}.foot .wrap{grid-template-columns:1fr;gap:26px}.steps{grid-template-columns:1fr}.req{grid-template-columns:1fr}.gauge{width:150px;height:150px}.hstat b{font-size:20px}.cta{padding:66px 0}}@media(max-width:480px){.hero{padding:102px 0 44px}.hero-btns .btn{width:100%}.hero-stats{grid-template-columns:1fr 1fr 1fr;gap:8px}.hstat{padding:12px 6px}.hstat b{font-size:17px}.hstat i{font-size:11px}.btn-lg{padding:13px 24px;font-size:15px}.dl-meta span{width:100%;text-align:center}.pager a{max-width:100%;width:100%}.article img{margin:14px 0}.cm{flex-direction:column;gap:8px}.cm i{display:block;margin-left:0}}