/* NetForce — 沿用旧站视觉语言：白底 + #007bff 蓝 + 黑色导航按钮 + 灰蓝渐变 + 圆角白卡片 */
:root{
  --blue:#007bff;--blue-d:#0056b3;--blue-l:#e7f1ff;
  --ink:#333;--muted:#666;--bg:#f8f9fa;--line:#e9ecef;
  --radius:16px;--shadow:0 4px 8px rgba(0,0,0,.1);--max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--blue)}
img,svg{max-width:100%}
h1,h2,h3,h4{line-height:1.25;margin:0;color:#222}
p{margin:0}
.ic{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 1px 6px rgba(0,0,0,.08)}
.hd{max-width:var(--max);margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;gap:20px}
.brand{font-weight:800;font-size:19px;letter-spacing:.06em;color:#222;text-decoration:none;margin-right:auto}
.nav{display:flex;gap:10px;list-style:none;margin:0;padding:0}
.nav a{display:flex;align-items:center;gap:6px;background:#000;color:#fff;font-size:13px;padding:9px 18px;border-radius:3px;text-decoration:none;transition:background .2s;white-space:nowrap}
.nav a:hover{background:#333}
.nav a[aria-current=page]{box-shadow:inset 0 -3px 0 var(--blue)}
.nav a.hot{background:var(--blue)}
.nav a.hot:hover{background:var(--blue-d)}
.lang{font-size:13px;padding:8px 14px;border:1px solid #ccc;border-radius:3px;color:#333;text-decoration:none;white-space:nowrap}
.lang:hover{border-color:var(--blue);color:var(--blue)}
.menu-btn{display:none;width:40px;height:40px;background:none;border:0;cursor:pointer;padding:0;position:relative}
.menu-btn span{position:absolute;left:9px;right:9px;height:2px;background:#222;transition:.2s}
.menu-btn span:nth-child(1){top:13px}.menu-btn span:nth-child(2){top:19px}.menu-btn span:nth-child(3){top:25px}
.menu-btn[aria-expanded=true] span:nth-child(1){top:19px;transform:rotate(45deg)}
.menu-btn[aria-expanded=true] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded=true] span:nth-child(3){top:19px;transform:rotate(-45deg)}
@media(max-width:960px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:60px;left:0;right:0;background:#fff;flex-direction:column;padding:12px 24px 20px;box-shadow:0 8px 16px rgba(0,0,0,.1)}
  .nav.open{display:flex}
  .nav a{padding:12px 18px;font-size:14px}
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#f8f9fa 0%,#e9ecef 100%);padding:96px 24px 88px}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(70px);z-index:0;pointer-events:none}
.hero::before{width:460px;height:460px;background:rgba(0,123,255,.16);top:-140px;right:-100px}
.hero::after{width:380px;height:380px;background:rgba(0,123,255,.10);bottom:-160px;left:-80px}
.hero>.wrap{position:relative;z-index:1}
.hero.center{text-align:center}
.hero h1{font-size:44px;font-weight:800;letter-spacing:.01em}
.hero .lead{font-size:19px;color:#444;margin-top:14px}
.hero .strong{font-weight:700;color:#222;margin-top:26px;font-size:17px}
.hero .desc{color:#555;margin:6px auto 0;max-width:720px}
.cta-row{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.center .cta-row{justify-content:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-d);background:var(--blue-l);padding:6px 14px;border-radius:999px;margin-bottom:18px}
.region-chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.center .region-chips{justify-content:center}
.region-chips a{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#333;font-size:14px;font-weight:600;text-decoration:none;box-shadow:0 2px 6px rgba(0,0,0,.05);transition:.2s}
.region-chips a:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-1px)}
.region-chips i{width:8px;height:8px;border-radius:50%;display:block}

.game-hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.game-hero h1{font-size:46px}
.game-hero .desc{margin:18px 0 0;max-width:none;font-size:18px;color:#444}
.hero-visual{background:#fff;border-radius:var(--radius);box-shadow:0 12px 32px rgba(0,60,140,.14);padding:18px 18px 10px}
.hero-visual figcaption{font-size:12px;color:#8a8f98;text-align:right;padding:2px 6px 4px}
@media(max-width:960px){.game-hero .wrap{grid-template-columns:1fr}.hero{padding:64px 20px 56px}.hero h1,.game-hero h1{font-size:34px}}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:6px;font-weight:600;font-size:16px;text-decoration:none;border:1px solid var(--blue);transition:.2s;line-height:1.2}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 4px 12px rgba(0,123,255,.28)}
.btn-primary:hover{background:var(--blue-d);border-color:var(--blue-d);transform:translateY(-1px)}
.btn-outline{background:rgba(255,255,255,.4);color:var(--blue)}
.btn-outline:hover{background:var(--blue);color:#fff}
.btn-white{background:#fff;color:var(--blue-d);border-color:#fff}
.btn-white:hover{background:#eaf2ff}
.btn-ghost-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-ghost-white:hover{background:rgba(255,255,255,.14)}

/* ---------- Sections ---------- */
.section{padding:88px 24px}
.section.alt{background:var(--bg)}
.wrap{max-width:var(--max);margin:0 auto}
.sec-head{text-align:center;margin-bottom:48px}
.sec-head h2{font-size:36px;font-weight:700}
.sec-head .sub{color:var(--muted);font-size:17px;margin-top:12px;max-width:760px;margin-left:auto;margin-right:auto}
@media(max-width:720px){.section{padding:60px 20px}.sec-head h2{font-size:28px}}

.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:960px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}
.card h3{font-size:20px;margin:14px 0 8px}
.card p{color:var(--muted);font-size:15px}
.badge{width:48px;height:48px;border-radius:12px;background:var(--blue-l);color:var(--blue);display:grid;place-items:center;font-size:24px}
.chip{display:inline-block;padding:4px 12px;border-radius:999px;background:var(--blue-l);color:var(--blue-d);font-size:13px;font-weight:600}
.chip.ghost{background:#fff;border:1px solid var(--line);color:#444;font-weight:500}
.chips{display:flex;flex-wrap:wrap;gap:8px}

/* stats */
.stats{max-width:var(--max);margin:-44px auto 0;padding:0 24px;position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:26px 12px;text-align:center;border-top:3px solid var(--blue)}
.stat b{display:block;font-size:42px;line-height:1.1;color:var(--blue);font-weight:800}
.stat span{display:block;color:#555;font-size:14px;margin-top:8px}
@media(max-width:720px){.stats{grid-template-columns:repeat(2,1fr);gap:14px;padding:0 16px}.stat b{font-size:32px}}

/* product modules */
.module{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:44px;margin-bottom:32px}
.module.rev .mv{order:-1}
.module h3{font-size:28px;margin-bottom:12px}
.module .md{color:#555;font-size:16px}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;background:var(--blue-l);color:var(--blue);font-weight:600;font-size:15px}
.mini{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:24px}
.mini div{text-align:center;padding:14px 6px;background:#fff;border-radius:8px;box-shadow:0 2px 6px rgba(0,0,0,.08);border-top:3px solid var(--blue)}
.mini b{display:block;font-size:20px;color:var(--blue)}
.mini span{font-size:12px;color:#555}
.mv{display:flex;justify-content:center}
.mv svg{width:100%;max-width:380px;height:auto}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;text-decoration:none;margin-top:20px}
.link-arrow:hover{gap:10px}
@media(max-width:860px){.module{grid-template-columns:1fr;padding:28px 22px}.module.rev .mv{order:0}.module h3{font-size:24px}.mini{grid-template-columns:repeat(2,1fr)}}

.dash{width:100%;max-width:340px;border-radius:12px;background:#fff;box-shadow:0 8px 24px rgba(0,60,140,.15);overflow:hidden;border:1px solid var(--line)}
.dash-h{background:linear-gradient(135deg,var(--blue),var(--blue-d));color:#fff;font-size:13px;font-weight:600;padding:10px 16px}
.dash-b{padding:16px}
.dash-b .status{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.status span{font-size:12px;padding:4px 10px;border-radius:999px;background:#e6f7ee;color:#1a7f47;font-weight:600}
.status span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:#28a745;margin-right:6px}

/* game spotlight (home) */
.spot{background:linear-gradient(135deg,#0b2a55 0%,#0056b3 55%,#007bff 100%);color:#fff;position:relative;overflow:hidden}
.spot::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 10%,rgba(255,255,255,.16),transparent 45%),radial-gradient(circle at 5% 100%,rgba(255,255,255,.10),transparent 40%)}
.spot .wrap{position:relative}
.spot h2{color:#fff}.spot .sub{color:rgba(255,255,255,.82)}
.rcard{background:rgba(255,255,255,.96);color:var(--ink);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;position:relative;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,.18)}
.rcard::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--accent,#007bff)}
.rcard h3{font-size:22px}
.rcard .tag{font-size:13px;color:var(--muted);margin:4px 0 12px}
.rcard .chips{margin-top:auto;padding-top:14px}
.rcard p{font-size:14px;color:#555}
.rcard .go{margin-top:16px;font-weight:600;font-size:14px;text-decoration:none;display:inline-flex;align-items:center;gap:6px}

/* game page */
.pain{display:flex;gap:16px;align-items:flex-start}
.pain .badge{background:#fff3e6;color:#e8590c}
.regions{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.region{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:32px;position:relative;overflow:hidden}
.region::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--accent)}
.region h3{font-size:26px;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.region h3 small{font-size:14px;color:var(--muted);font-weight:500}
.region dl{margin:16px 0 0}
.region dt{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-top:14px}
.region dd{margin:4px 0 0;color:#444;font-size:15px}
.region .nodes{margin-top:20px;padding-top:18px;border-top:1px dashed var(--line)}
.region .nodes h4{font-size:13px;color:var(--muted);font-weight:600;margin-bottom:10px}
.chip.node{background:#fff;border:1px solid var(--line);color:#333;font-weight:500}
.chip.node::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:7px;vertical-align:1px}
@media(max-width:860px){.regions{grid-template-columns:1fr}.region{padding:24px 22px}}

.flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:16px;align-items:stretch}
.flow .step{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;text-align:center}
.flow .step .badge{margin:0 auto 12px}
.flow .step h3{font-size:19px}
.flow .step p{font-size:14px;color:var(--muted);margin-top:6px}
.flow .arrow{align-self:center;color:var(--blue);font-size:28px}
@media(max-width:860px){.flow{grid-template-columns:1fr}.flow .arrow{transform:rotate(90deg);justify-self:center}}

.compare{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}
.compare svg{width:100%;height:auto}

.feat{display:flex;gap:14px;align-items:flex-start}
.feat h3{font-size:17px;margin:0 0 4px}
.feat p{font-size:14px;color:var(--muted)}
.feat .badge{width:44px;height:44px;font-size:22px}

.case-feature{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:40px;align-items:center}
.case-feature h3{font-size:26px;margin:10px 0}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.kpis div{background:var(--bg);border-radius:12px;padding:18px 10px;text-align:center;border-top:3px solid var(--blue)}
.kpis b{display:block;font-size:30px;color:var(--blue);line-height:1.2}
.kpis span{font-size:13px;color:#555}
@media(max-width:860px){.case-feature{grid-template-columns:1fr;padding:26px 22px}.kpis b{font-size:24px}}
.case-feature>*,.module>*,.svc .cols>*,.grid>*{min-width:0}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.steps .s{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;position:relative}
.steps .s::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;margin-bottom:12px}
.steps.six{grid-template-columns:repeat(6,1fr);gap:14px}
.steps.six .s{padding:20px 16px;text-align:center}
.steps.six .s::before{margin:0 auto 10px}
.steps h3{font-size:17px}
.steps p{font-size:14px;color:var(--muted);margin-top:4px}
@media(max-width:960px){.steps,.steps.six{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.steps,.steps.six{grid-template-columns:1fr}}

/* lists in cards */
.ul{list-style:none;margin:12px 0 0;padding:0}
.ul li{position:relative;padding-left:22px;margin:8px 0;font-size:15px;color:#444}
.ul li::before{content:"";position:absolute;left:2px;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--blue)}
.ul li b{color:#222;font-weight:600}
.svc-head{display:flex;gap:16px;align-items:center;margin-bottom:8px}
.svc-head h3{font-size:26px}
.svc-head .badge{width:56px;height:56px;font-size:28px}
.svc{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:36px;margin-bottom:28px}
.svc>.sd{color:var(--muted);margin-bottom:18px}
.svc .cols{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.svc .cols h4{font-size:16px;color:var(--blue-d);margin-bottom:2px}
.svc.highlight{border:2px solid var(--blue);box-shadow:0 8px 24px rgba(0,123,255,.15)}
@media(max-width:720px){.svc{padding:24px 20px}.svc .cols{grid-template-columns:1fr}}

.ind h3{display:flex;align-items:center;gap:10px}
.ind h3 .ic{color:var(--blue)}

/* about / contact */
.values{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.values .card{padding:24px 18px;text-align:center}
.values .badge{margin:0 auto}
.values h3{font-size:17px}
@media(max-width:960px){.values{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.values{grid-template-columns:1fr}}
.ct{display:flex;gap:14px;align-items:flex-start;margin-top:16px}
.ct .badge{width:42px;height:42px;font-size:20px}
.ct small{display:block;color:var(--muted);font-size:13px}
.ct a,.ct b{font-size:16px;font-weight:600}
.plain-list{list-style:none;margin:10px 0 0;padding:0;color:#444}
.plain-list li{margin:6px 0}

/* CTA */
.cta{background:linear-gradient(135deg,#007bff 0%,#0056b3 100%);color:#fff;text-align:center;padding:84px 24px}
.cta h2{color:#fff;font-size:34px}
.cta p{margin-top:12px;color:rgba(255,255,255,.88);font-size:17px;max-width:720px;margin-left:auto;margin-right:auto}
.cta .cta-row{justify-content:center}
@media(max-width:720px){.cta h2{font-size:26px}}

/* footer */
.site-footer{background:#f5f5f5;padding:48px 24px 28px;color:#555;font-size:14px}
.ft{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.ft h4{font-size:14px;color:#222;margin-bottom:10px}
.ft a{display:block;color:#555;text-decoration:none;margin:6px 0}
.ft a:hover{color:var(--blue)}
.ft .brand{display:inline-block;margin-bottom:10px}
.copy{max-width:var(--max);margin:32px auto 0;padding-top:20px;border-top:1px solid #e2e2e2;font-size:13px;color:#888;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
@media(max-width:860px){.ft{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.ft{grid-template-columns:1fr}}

/* svg flow animation */
.flow-line{stroke-dasharray:6 8;animation:dash 1.1s linear infinite}
@keyframes dash{to{stroke-dashoffset:-14}}

/* reveal (仅在 JS 可用时启用，避免内容被隐藏) */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}.flow-line{animation:none}html{scroll-behavior:auto}}