/* ============ 基础变量 ============ */
:root {
  --bg: #07080c;
  --bg-2: #0e1118;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-2: rgba(255, 255, 255, 0.065);
  --line: rgba(255, 255, 255, 0.09);
  --text: #eef0f4;
  --muted: #959bab;
  --c1: #ff8a1f;
  --c2: #ffc23d;
  --c3: #3d7dff;
  --hot: #ff4f3a;
  --grad: linear-gradient(100deg, var(--c2), var(--c1) 50%, var(--hot));
  --radius: 6px;
  --cut: 14px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --num: "DIN Alternate", "DIN Condensed", "Bahnschrift", "Roboto Condensed", var(--font);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body.loading { overflow: hidden; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img, svg { display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--c1); color: #000; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--c1); }

.container { width: min(1200px, 100% - 32px); margin: 0 auto; }
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: normal;
}

/* ============ 加载动画 ============ */
.loader {
  position: fixed; inset: 0; z-index: 999;
  background: var(--bg);
  display: grid; place-content: center; gap: 22px; justify-items: center;
  transition: opacity .6s ease, visibility .6s;
}
.loader.hide { opacity: 0; visibility: hidden; }
.loader-logo {
  width: 96px; height: 96px; display: grid; place-items: center;
  clip-path: polygon(50% 0, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
  background: linear-gradient(160deg, rgba(255,138,31,.25), rgba(255,138,31,.04));
}
.loader-logo svg { width: 54px; height: 54px; }
.loader-logo path {
  fill: none; stroke: var(--c1); stroke-width: 5;
  stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 120; stroke-dashoffset: 120;
  animation: draw 1s ease forwards;
}
.loader-seg { display: flex; gap: 5px; }
.loader-seg i { width: 12px; height: 6px; background: var(--line); transform: skewX(-20deg); animation: seg 1s steps(1) forwards; }
.loader-seg i:nth-child(1) { animation-delay: .05s; } .loader-seg i:nth-child(2) { animation-delay: .15s; }
.loader-seg i:nth-child(3) { animation-delay: .25s; } .loader-seg i:nth-child(4) { animation-delay: .35s; }
.loader-seg i:nth-child(5) { animation-delay: .45s; } .loader-seg i:nth-child(6) { animation-delay: .55s; }
.loader-seg i:nth-child(7) { animation-delay: .65s; } .loader-seg i:nth-child(8) { animation-delay: .75s; }
.loader-seg i:nth-child(9) { animation-delay: .85s; } .loader-seg i:nth-child(10) { animation-delay: .95s; }
.loader-text { font-size: 12px; letter-spacing: 6px; color: var(--muted); }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes seg { to { background: var(--c1); box-shadow: 0 0 8px var(--c1); } }

/* ============ 按钮（切角） ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 32px; border: 0; cursor: pointer;
  font-weight: 600; letter-spacing: 1px; font-size: 15px;
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: transform .3s, background .3s, color .3s;
  position: relative; overflow: hidden;
}
.btn .arrow { font-style: normal; transition: transform .3s; }
.btn:hover .arrow { transform: translateX(4px); }
.btn-glow { background: var(--grad); color: #160a00; }
.btn-glow::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: -30%; width: 20%;
  background: rgba(255,255,255,.5); transform: skewX(-20deg); transition: left .6s;
}
.btn-glow:hover { transform: translateY(-2px); }
.btn-glow:hover::after { left: 120%; }
.btn-ghost { background: rgba(255,255,255,.06); box-shadow: inset 0 0 0 1px rgba(255,255,255,.18); }
.btn-ghost:hover { background: rgba(255,138,31,.12); box-shadow: inset 0 0 0 1px var(--c1); color: var(--c2); transform: translateY(-2px); }
.btn-sm { padding: 9px 22px; font-size: 14px; --cut: 10px; }
.btn-lg { padding: 18px 44px; font-size: 17px; --cut: 18px; }
.btn-block { width: 100%; }

/* ============ 导航 ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .4s, backdrop-filter .4s, border-color .4s, padding .4s;
  border-bottom: 1px solid transparent;
  padding: 10px 0;
}
.nav.scrolled { background: rgba(7, 8, 12, .8); backdrop-filter: blur(16px) saturate(140%); border-color: var(--line); padding: 0; }
.nav.scrolled::after { content: ""; position: absolute; left: 0; bottom: -1px; height: 1px; width: 160px; background: var(--grad); }
.nav-inner { display: flex; align-items: center; height: 72px; gap: 32px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px; background: var(--grad);
  display: grid; place-items: center;
  clip-path: polygon(50% 0, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
}
.brand-mark svg { width: 24px; height: 24px; }
.brand-mark path { fill: none; stroke: #1a0b00; stroke-width: 6.5; stroke-linecap: round; stroke-linejoin: round; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 19px; letter-spacing: 3px; }
.brand-text small { font-size: 11px; letter-spacing: 2px; color: var(--muted); }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a {
  padding: 8px 14px; font-size: 15px; color: var(--muted);
  position: relative; transition: color .3s;
}
.nav-links a::before, .nav-links a::after {
  content: ""; position: absolute; top: 50%; width: 5px; height: 5px; margin-top: -2.5px;
  border: solid var(--c1); opacity: 0; transition: opacity .3s, transform .3s;
}
.nav-links a::before { left: 2px; border-width: 1px 0 1px 1px; transform: translateX(4px); }
.nav-links a::after { right: 2px; border-width: 1px 1px 1px 0; transform: translateX(-4px); }
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-links a.active { color: var(--c2); }
.nav-links a.active::before, .nav-links a.active::after,
.nav-links a:hover::before, .nav-links a:hover::after { opacity: 1; transform: none; }
.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; margin-left: auto; }
.nav-toggle span { display: block; height: 2px; width: 22px; margin: 5px auto; background: #fff; transition: .3s; }
.nav-toggle span:nth-child(2) { width: 14px; margin-right: 9px; background: var(--c1); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ 首屏 ============ */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center; overflow: hidden;
  padding: 120px 0 80px;
  background:
    radial-gradient(ellipse 60% 50% at 78% 45%, rgba(255,138,31,.10), transparent 70%),
    radial-gradient(ellipse 50% 40% at 0% 100%, rgba(61,125,255,.10), transparent 70%),
    var(--bg);
}
#signalCanvas { position: absolute; inset: 0; width: 100%; height: 100%; }
/* 斜向光束 */
.hero-beam { position: absolute; pointer-events: none; width: 140%; height: 220px; left: -20%; transform: rotate(-14deg); filter: blur(40px); }
.hero-beam.b1 { top: 6%; background: linear-gradient(90deg, transparent 20%, rgba(255,138,31,.10) 60%, transparent 90%); animation: beam 10s ease-in-out infinite alternate; }
.hero-beam.b2 { bottom: 0; height: 140px; background: linear-gradient(90deg, transparent 5%, rgba(61,125,255,.09) 35%, transparent 70%); animation: beam 14s ease-in-out infinite alternate-reverse; }
@keyframes beam { to { transform: rotate(-14deg) translateX(8%); } }
/* 扫描线 */
.scanline {
  position: absolute; left: 0; right: 0; top: 0; height: 120px; pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(255,138,31,.05) 85%, rgba(255,194,61,.25) 100%);
  border-bottom: 1px solid rgba(255,194,61,.18);
  animation: scan 7s linear infinite;
}
@keyframes scan { from { transform: translateY(-120px); } to { transform: translateY(100vh); } }
/* 取景框四角 */
.hud-frame { position: absolute; inset: 96px 24px 24px; pointer-events: none; }
.hud-frame i { position: absolute; width: 26px; height: 26px; border: solid rgba(255,255,255,.22); }
.hud-frame i:nth-child(1) { top: 0; left: 0; border-width: 1px 0 0 1px; }
.hud-frame i:nth-child(2) { top: 0; right: 0; border-width: 1px 1px 0 0; }
.hud-frame i:nth-child(3) { bottom: 0; left: 0; border-width: 0 0 1px 1px; }
.hud-frame i:nth-child(4) { bottom: 0; right: 0; border-width: 0 1px 1px 0; }

.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
.hero-inner { min-width: 0; }
.hero-inner > * { min-width: 0; }
.tag {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 16px 7px 12px; font-size: 13.5px; letter-spacing: 2px;
  background: linear-gradient(90deg, rgba(255,138,31,.16), rgba(255,138,31,0));
  border-left: 2px solid var(--c1); color: #ffdcb5;
}
.tag .dot { width: 8px; height: 8px; background: var(--hot); animation: live 1.2s steps(1) infinite; }
@keyframes live { 50% { opacity: .2; } }
.hero h1 { font-size: clamp(32px, 4.6vw, 64px); line-height: 1.18; margin: 26px 0 22px; font-weight: 800; letter-spacing: 2px; }
.hero h1 .line { display: block; white-space: nowrap; }
#typeText::after { content: "_"; -webkit-text-fill-color: var(--c2); color: var(--c2); margin-left: 4px; animation: blink 1s steps(1) infinite; font-weight: 400; }
@keyframes blink { 50% { opacity: 0; } }
.hero-sub { font-size: 17px; color: var(--muted); max-width: 560px; }
.hero-sub b { color: #fff; font-weight: 600; }
.hero-actions { display: flex; gap: 16px; margin: 36px 0 48px; flex-wrap: wrap; }
.hero-trust { display: flex; gap: 0; flex-wrap: wrap; }
.hero-trust div { display: flex; flex-direction: column; padding: 0 32px; border-left: 1px solid var(--line); }
.hero-trust div:first-child { padding-left: 0; border-left: 0; }
.hero-trust strong { font-family: var(--num); font-size: 36px; font-weight: 700; color: var(--c2); line-height: 1.15; letter-spacing: 1px; }
.hero-trust span { font-size: 13px; color: var(--muted); }

/* 首屏视觉：六边形 HUD */
.hero-visual { position: relative; height: 520px; }
.hex-core { position: absolute; inset: 0; display: grid; place-items: center; }
.hex { position: absolute; }
.hex svg { width: 100%; height: 100%; overflow: visible; }
.hex polygon { fill: none; stroke-width: 1.2; }
.hex circle { fill: var(--c2); }
.hx1 { width: 280px; height: 280px; animation: spin 16s linear infinite; }
.hx1 polygon { stroke: rgba(255,138,31,.7); }
.hx2 { width: 380px; height: 380px; animation: spin 26s linear infinite reverse; }
.hx2 polygon { stroke: rgba(255,194,61,.35); stroke-dasharray: 6 8; }
.hx2 circle { fill: var(--hot); }
.hx3 { width: 480px; height: 480px; animation: spin 40s linear infinite; }
.hx3 polygon { stroke: rgba(61,125,255,.3); }
.hx3 circle { fill: var(--c3); }
@keyframes spin { to { transform: rotate(360deg); } }
.radar {
  position: absolute; width: 270px; height: 270px;
  clip-path: polygon(50% 0, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
  background: conic-gradient(from 0deg, rgba(255,138,31,.45), rgba(255,138,31,0) 70deg, transparent 360deg);
  animation: spin 4s linear infinite;
}
.hex-center {
  position: relative; width: 170px; height: 170px;
  display: grid; place-items: center; align-content: center; gap: 10px;
  clip-path: polygon(50% 0, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
  background: radial-gradient(circle at 50% 30%, #3a2208, #120b05 75%);
  animation: pulseCore 4s ease-in-out infinite;
}
.hex-center::before {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,.04) 0 1px, transparent 1px 4px);
}
.hex-center svg { width: 64px; height: 64px; position: relative; }
.hex-center path { fill: none; stroke: var(--c1); stroke-width: 5; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 0 8px rgba(255,138,31,.8)); }
.live-badge { position: relative; display: inline-flex; align-items: center; gap: 6px; font-size: 12px; letter-spacing: 2px; padding: 2px 8px; background: var(--hot); color: #fff; }
.live-badge i { width: 6px; height: 6px; border-radius: 50%; background: #fff; animation: live 1.2s steps(1) infinite; }
@keyframes pulseCore { 50% { filter: brightness(1.25); } }

.float-card {
  position: absolute; display: flex; align-items: center; gap: 12px;
  padding: 12px 18px 12px 14px;
  background: rgba(14, 17, 24, .78); border-left: 2px solid var(--c1);
  backdrop-filter: blur(12px); box-shadow: var(--shadow);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  animation: float 6s ease-in-out infinite;
}
.float-card small { display: block; font-size: 12px; color: var(--muted); }
.float-card strong { font-size: 18px; }
.fc-icon { width: 38px; height: 38px; display: grid; place-items: center; background: rgba(255,138,31,.12); font-size: 19px; }
.fc1 { top: 8%; left: 0; }
.fc2 { top: 48%; right: -10px; animation-delay: -2s; border-left-color: var(--c3); }
.fc2 strong { font-family: var(--num); color: var(--c2); font-size: 22px; }
.fc3 { bottom: 6%; left: 12%; animation-delay: -4s; }
@keyframes float { 50% { transform: translateY(-14px); } }

.scroll-hint { position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 3; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.scroll-hint span { width: 1px; height: 44px; background: rgba(255,255,255,.18); position: relative; overflow: hidden; }
.scroll-hint span::after { content: ""; position: absolute; left: 0; top: -14px; width: 1px; height: 14px; background: var(--c1); animation: drop 1.6s ease-in infinite; }
.scroll-hint em { font-style: normal; font-size: 11px; letter-spacing: 4px; color: var(--muted); }
@keyframes drop { to { top: 44px; } }

/* ============ 字幕 ============ */
.marquee { border-block: 1px solid var(--line); background: repeating-linear-gradient(-45deg, rgba(255,255,255,.015) 0 10px, transparent 10px 20px), var(--bg-2); overflow: hidden; padding: 20px 0; }
.marquee-track { display: flex; width: max-content; animation: marquee 36s linear infinite; }
.marquee span { font-size: 20px; font-weight: 700; padding: 0 30px; color: #c8ccd6; letter-spacing: 2px; white-space: nowrap; display: flex; align-items: center; gap: 60px; }
.marquee span::after { content: ""; width: 8px; height: 8px; background: var(--c1); transform: rotate(45deg); margin-right: -30px; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============ 通用区块（标题左对齐 + 侧边色条） ============ */
.section { padding: 120px 0; position: relative; }
.section-head { max-width: 760px; margin: 0 0 60px; padding-left: 22px; border-left: 3px solid var(--c1); position: relative; }
.section-head::before { content: ""; position: absolute; left: -3px; top: 0; width: 3px; height: 30%; background: var(--c2); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; letter-spacing: 4px; color: var(--c1); font-weight: 700; margin-bottom: 10px; }
.eyebrow::before { content: ""; width: 6px; height: 6px; background: var(--c1); }
.section-head h2, .about-copy h2, .contact-info h2 { font-size: clamp(28px, 3.6vw, 44px); line-height: 1.3; font-weight: 800; letter-spacing: 1px; }
.section-head p { color: var(--muted); margin-top: 12px; font-size: 16px; }

/* 滚动显现 */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* ============ 业务卡片 ============ */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card {
  position: relative; padding: 36px 30px 32px;
  background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.015));
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  transition: transform .35s, background .35s;
}
.service-card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 40px; background: var(--c1);
  transition: width .5s cubic-bezier(.2,.7,.2,1);
}
.service-card::after {
  content: ""; position: absolute; right: 0; top: 0; width: 22px; height: 22px;
  background: linear-gradient(225deg, var(--c1) 50%, transparent 50%); opacity: .55; transition: opacity .35s;
}
.service-card:hover { transform: translateY(-6px); background: linear-gradient(180deg, rgba(255,138,31,.08), rgba(255,255,255,.015)); }
.service-card:hover::before { width: 100%; }
.service-card:hover::after { opacity: 1; }
.sc-icon { width: 58px; height: 58px; display: grid; place-items: center; background: rgba(255,138,31,.1); margin-bottom: 24px; clip-path: polygon(50% 0, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%); }
.sc-icon svg { width: 30px; height: 30px; fill: none; stroke: var(--c1); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { font-size: 21px; margin-bottom: 10px; }
.service-card p { color: var(--muted); font-size: 14.5px; margin-bottom: 18px; }
.service-card li { font-size: 14px; padding: 5px 0 5px 18px; position: relative; color: #cfd3dc; }
.service-card li::before { content: ""; position: absolute; left: 0; top: 50%; width: 8px; height: 2px; margin-top: -1px; background: var(--c1); }
.sc-num { position: absolute; right: 34px; bottom: 22px; font-family: var(--num); font-size: 15px; letter-spacing: 2px; color: rgba(255,255,255,.25); transition: color .35s; }
.sc-num::before { content: "No."; margin-right: 2px; }
.service-card:hover .sc-num { color: var(--c2); }

/* ============ 数据带 ============ */
.stats { padding: 64px 0; background: var(--bg-2); border-block: 1px solid var(--line); }
.stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat { position: relative; padding: 26px 24px; background-color: rgba(255,255,255,.02); }
.stat { --bc: rgba(255,138,31,.6); background-image: linear-gradient(var(--bc), var(--bc)), linear-gradient(var(--bc), var(--bc)), linear-gradient(var(--bc), var(--bc)), linear-gradient(var(--bc), var(--bc)); background-repeat: no-repeat; background-size: 14px 1px, 1px 14px, 14px 1px, 1px 14px; background-position: 0 0, 0 0, 100% 100%, 100% 100%; }
.stat strong { display: block; font-family: var(--num); font-size: clamp(36px, 4.4vw, 54px); font-weight: 700; color: var(--c2); line-height: 1.15; letter-spacing: 1px; }
.stat span { color: var(--muted); font-size: 14.5px; }

/* ============ 游戏产品 ============ */
.solution-wrap { background: rgba(255,255,255,.02); box-shadow: inset 0 0 0 1px var(--line); }
.sol-tabs { display: flex; overflow-x: auto; scrollbar-width: none; border-bottom: 1px solid var(--line); }
.sol-tabs::-webkit-scrollbar { display: none; }
.sol-tab { flex: 1; min-width: max-content; padding: 18px 22px; background: transparent; border: 0; color: var(--muted); cursor: pointer; font-size: 15.5px; font-weight: 600; transition: .3s; position: relative; }
.sol-tab + .sol-tab { border-left: 1px solid var(--line); }
.sol-tab::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--c1); transform: scaleX(0); transition: transform .35s; }
.sol-tab:hover { color: #fff; background: var(--panel); }
.sol-tab.active { color: var(--c2); background: linear-gradient(180deg, transparent, rgba(255,138,31,.1)); }
.sol-tab.active::after { transform: none; }
.sol-panels { position: relative; }
.sol-panel { display: none; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; padding: 48px 44px; }
.sol-panel.active { display: grid; animation: fadeUp .5s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateX(-16px); } }
.sol-text h3 { font-size: 28px; margin-bottom: 16px; }
.sol-text p { color: var(--muted); margin-bottom: 22px; }
.check li { padding: 7px 0 7px 30px; position: relative; }
.check li::before { content: ""; position: absolute; left: 4px; top: 50%; width: 10px; height: 10px; margin-top: -5px; border: 2px solid var(--c1); transform: rotate(45deg); }
.link-more { display: inline-block; margin-top: 22px; color: var(--c1); font-weight: 600; transition: letter-spacing .3s; }
.link-more:hover { letter-spacing: 1.5px; }
.mock { background: linear-gradient(160deg, #15110c, #0b0d12); box-shadow: inset 0 0 0 1px var(--line), var(--shadow); overflow: hidden; position: relative; }
.mock::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: repeating-linear-gradient(0deg, rgba(255,255,255,.025) 0 1px, transparent 1px 3px); }
.mock-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 12px; letter-spacing: 2px; color: var(--muted); }
.mock-bar i { display: none; }
.mock-bar i:first-child { display: block; width: 8px; height: 8px; border-radius: 50%; background: var(--hot); animation: live 1.2s steps(1) infinite; }
.mock-bar::after { content: "实时监测"; }
.mock-body { padding: 28px; display: flex; flex-direction: column; gap: 26px; min-height: 270px; }
.mock-kpi b { font-size: 34px; display: block; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.mock-kpi small { color: var(--muted); }
.bars { display: flex; align-items: flex-end; gap: 6px; height: 140px; }
.bars span { flex: 1; height: var(--h); background: repeating-linear-gradient(0deg, var(--c1) 0 6px, transparent 6px 9px); opacity: .85; transform-origin: bottom; animation: grow 1s cubic-bezier(.2,.7,.2,1) both; }
.bars span:nth-child(2) { animation-delay: .08s; } .bars span:nth-child(3) { animation-delay: .16s; } .bars span:nth-child(4) { animation-delay: .24s; } .bars span:nth-child(5) { animation-delay: .32s; } .bars span:nth-child(6) { animation-delay: .4s; } .bars span:nth-child(7) { animation-delay: .48s; background: repeating-linear-gradient(0deg, var(--c2) 0 6px, transparent 6px 9px); }
@keyframes grow { from { transform: scaleY(0); } }
.ring-chart { width: 150px; height: 150px; align-self: center; clip-path: polygon(50% 0, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%); background: conic-gradient(var(--c2), var(--c1) calc(var(--p) * 1%), rgba(255,255,255,.07) 0); -webkit-mask: radial-gradient(farthest-side, transparent 64%, #000 65%); mask: radial-gradient(farthest-side, transparent 64%, #000 65%); animation: spinIn 1.2s ease both; }
@keyframes spinIn { from { transform: rotate(-120deg); opacity: 0; } }

/* ============ 流程 ============ */
.process-sec { background: var(--bg-2); border-block: 1px solid var(--line); }
.process { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.process-line { position: absolute; top: 31px; left: 10%; right: 10%; height: 2px; background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px); }
.process-line span { display: block; height: 100%; width: 0; background: var(--grad); transition: width .2s linear; }
.step { text-align: center; position: relative; }
.step-dot { width: 64px; height: 64px; margin: 0 auto 20px; display: grid; place-items: center; font-family: var(--num); font-size: 24px; font-weight: 700; color: var(--c2); background: #1a130b; clip-path: polygon(50% 0, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%); position: relative; z-index: 1; transition: .4s; }
.step-dot::before { content: ""; position: absolute; inset: 2px; z-index: -1; clip-path: inherit; background: var(--bg-2); }
.step-dot { background: var(--c1); }
.step:hover .step-dot { color: #160a00; transform: scale(1.08); }
.step:hover .step-dot::before { background: var(--c2); }
.step h4 { font-size: 18px; margin-bottom: 6px; }
.step p { font-size: 14px; color: var(--muted); padding: 0 6px; }

/* ============ 直播运营 ============ */
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.case-card { background: var(--panel); box-shadow: inset 0 0 0 1px var(--line); transition: transform .4s, background .4s; clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%); }
.case-card:hover { transform: translateY(-6px); background: var(--panel-2); }
.case-cover { height: 200px; position: relative; overflow: hidden; display: flex; align-items: flex-end; padding: 20px; }
.case-cover::before { content: ""; position: absolute; inset: 0; transition: transform .8s; }
.case-cover::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(0deg, rgba(0,0,0,.18) 0 1px, transparent 1px 4px), repeating-linear-gradient(-45deg, rgba(255,255,255,.04) 0 2px, transparent 2px 18px); }
.case-card:hover .case-cover::before { transform: scale(1.08); }
.c1::before { background: radial-gradient(circle at 78% 30%, rgba(255,194,61,.8), transparent 45%), linear-gradient(135deg, #ff6a2b, #3a1206); }
.c2::before { background: radial-gradient(circle at 22% 35%, rgba(130,170,255,.75), transparent 45%), linear-gradient(135deg, #2448a8, #0a1022); }
.c3::before { background: radial-gradient(circle at 72% 70%, rgba(255,120,90,.8), transparent 45%), linear-gradient(135deg, #b8262f, #1d0a0c); }
.c4::before { background: radial-gradient(circle at 30% 70%, rgba(255,194,61,.6), transparent 45%), linear-gradient(135deg, #3c4352, #0d0f14); }
.case-cover span { position: relative; z-index: 1; padding: 5px 14px 5px 12px; background: rgba(0,0,0,.55); font-size: 13px; letter-spacing: 1px; border-left: 2px solid var(--c2); }
.case-body { padding: 26px 28px 30px; }
.case-body h3 { font-size: 20px; margin-bottom: 8px; }
.case-body p { color: var(--muted); font-size: 14.5px; }
.case-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.case-tags i { font-style: normal; font-size: 12.5px; padding: 3px 10px; background: rgba(255,138,31,.1); color: #ffcf9e; border: 1px solid rgba(255,138,31,.28); }

/* ============ 关于 ============ */
.about-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 72px; align-items: center; }
.about-visual { position: relative; height: 460px; }
.about-card { position: absolute; }
.about-card.main {
  inset: 0 18% 14% 0; display: flex; flex-direction: column; justify-content: center; align-items: center; overflow: hidden;
  background: radial-gradient(circle at 30% 20%, rgba(255,138,31,.28), transparent 60%), radial-gradient(circle at 85% 90%, rgba(61,125,255,.2), transparent 55%), var(--bg-2);
  box-shadow: inset 0 0 0 1px var(--line);
}
.about-card.main::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.1) 1px, transparent 1px); background-size: 18px 18px; mask-image: radial-gradient(ellipse at center, #000, transparent 75%); -webkit-mask-image: radial-gradient(ellipse at center, #000, transparent 75%); }
.about-card.main > * { position: relative; }
.big-word { font-size: clamp(80px, 11vw, 140px); font-weight: 900; letter-spacing: 12px; background: linear-gradient(180deg, #fff, rgba(255,255,255,.25)); -webkit-background-clip: text; background-clip: text; color: transparent; font-family: "STKaiti", "KaiTi", "Kaiti SC", serif; }
.about-card.main p { color: var(--muted); letter-spacing: 6px; }
.about-card.sub { right: 0; bottom: 0; width: 58%; padding: 26px 30px; background: rgba(20, 16, 12, .85); border-left: 3px solid var(--c1); box-shadow: var(--shadow); backdrop-filter: blur(10px); animation: float 7s ease-in-out infinite; }
.about-card.sub strong { display: block; font-size: 34px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; letter-spacing: 6px; }
.about-card.sub span { color: var(--muted); font-size: 14px; letter-spacing: 2px; }
.about-copy h2 { margin-bottom: 22px; }
.about-copy > p { color: var(--muted); margin-bottom: 16px; font-size: 15.5px; }
.about-copy .link-more { margin-top: 28px; }
.values { display: grid; gap: 12px; margin-top: 30px; }
.value { display: flex; align-items: center; gap: 18px; padding: 15px 22px; background: var(--panel); box-shadow: inset 2px 0 0 var(--c1), inset 0 0 0 1px var(--line); transition: .3s; }
.value:hover { background: rgba(255,138,31,.08); transform: translateX(6px); }
.value b { min-width: 64px; font-size: 15px; color: var(--c1); }
.value span { color: #d8dbe3; font-size: 15px; }

/* ============ 合规责任 ============ */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.why-item { padding: 32px 26px; background: var(--panel); box-shadow: inset 0 0 0 1px var(--line); position: relative; overflow: hidden; transition: .4s; }
.why-item::before { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 100%; background: linear-gradient(180deg, rgba(255,138,31,.1), transparent 60%); transform: translateY(-100%); transition: transform .5s; }
.why-item:hover { transform: translateY(-6px); }
.why-item:hover::before { transform: none; }
.why-item > * { position: relative; }
.why-ico { width: 34px; height: 34px; margin-bottom: 16px; font-size: 0; background: var(--grad); clip-path: polygon(50% 0, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%); }
.why-item h4 { font-size: 19px; margin-bottom: 8px; }
.why-item p { color: var(--muted); font-size: 14.5px; }

/* ============ CTA ============ */
.cta { padding: 40px 0 0; }
.cta-inner {
  text-align: center; padding: 80px 32px; position: relative; overflow: hidden;
  background: radial-gradient(ellipse at 15% 0%, rgba(255,138,31,.32), transparent 55%), radial-gradient(ellipse at 90% 100%, rgba(61,125,255,.22), transparent 55%), linear-gradient(135deg, #1b130b, #0c0f16);
  clip-path: polygon(30px 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%, 0 30px);
}
.cta-inner::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(-45deg, rgba(255,255,255,.03) 0 1px, transparent 1px 14px); }
.cta-inner > * { position: relative; }
.cta h2 { font-size: clamp(26px, 3.4vw, 42px); line-height: 1.35; margin-bottom: 14px; }
.cta p { color: #d4cfc8; margin-bottom: 34px; }

/* ============ 联系 ============ */
.contact-inner { display: grid; grid-template-columns: 1fr 1.15fr; gap: 64px; align-items: start; }
.contact-info > p { color: var(--muted); margin: 14px 0 34px; }
.info-list { display: grid; gap: 12px; }
.info-list li { display: flex; gap: 16px; align-items: center; padding: 16px 20px; background: var(--panel); box-shadow: inset 0 0 0 1px var(--line); }
.ii { width: 44px; height: 44px; flex: none; display: grid; place-items: center; font-size: 19px; background: rgba(255,138,31,.12); color: var(--c1); clip-path: polygon(50% 0, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%); }
.info-list small { display: block; color: var(--muted); font-size: 13px; }
.info-list b { font-size: 16px; font-weight: 600; word-break: break-all; }
.contact-form { padding: 40px; background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.015)); box-shadow: inset 0 0 0 1px var(--line); display: grid; gap: 18px; position: relative; }
.contact-form::before { content: ""; position: absolute; left: 0; top: 0; width: 60px; height: 2px; background: var(--c1); }
.contact-form h3 { font-size: 22px; margin-bottom: 4px; }
.contact-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { display: grid; gap: 8px; }
.contact-form label span { font-size: 13.5px; color: var(--muted); }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; padding: 13px 16px; border-radius: 0; outline: none;
  background: rgba(0, 0, 0, .35); border: 0; border-bottom: 1px solid rgba(255,255,255,.18); transition: border-color .3s, background .3s; resize: vertical;
}
.contact-form select option { background: var(--bg-2); }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--c1); background: rgba(255,138,31,.06); }
.contact-form .invalid { border-color: #ff5f5f; }
.form-tip { font-size: 14px; text-align: center; min-height: 20px; }
.form-tip.ok { color: #5fe0a0; }
.form-tip.err { color: #ff7a6a; }

/* ============ 页脚 ============ */
.footer { margin-top: 40px; border-top: 1px solid var(--line); background: #040507; position: relative; }
.footer::before { content: ""; position: absolute; left: 0; top: -1px; width: 220px; height: 1px; background: var(--grad); }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding: 64px 0 40px; }
.f-brand p { color: var(--muted); margin-top: 18px; font-size: 14px; }
.f-col h5 { font-size: 15px; margin-bottom: 16px; }
.f-col a { display: block; color: var(--muted); font-size: 14px; padding: 5px 0; transition: color .3s, transform .3s; }
.f-col a:hover { color: var(--c1); transform: translateX(4px); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding: 22px 0 28px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.footer-bottom a:hover { color: var(--c1); }
.health-tip { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 6px 14px; padding: 16px 0; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--muted); text-align: center; }
.health-tip strong { color: var(--c1); font-weight: 600; letter-spacing: 1px; }

/* ============ 二级页面 ============ */
.page-hero {
  position: relative;
  padding: 156px 0 72px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 55% 80% at 88% 0%, rgba(255,138,31,.16), transparent 68%),
    radial-gradient(ellipse 42% 70% at 0% 110%, rgba(61,125,255,.14), transparent 70%),
    var(--bg);
  border-bottom: 1px solid var(--line);
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,.09) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(ellipse at 72% 40%, #000 0%, transparent 72%);
  mask-image: radial-gradient(ellipse at 72% 40%, #000 0%, transparent 72%);
}
.page-hero .container { position: relative; }
.page-hero h1 {
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 2px;
  margin: 18px 0 14px;
}
.page-hero .lead { max-width: 720px; color: var(--muted); font-size: 16.5px; }
.crumb { display: flex; align-items: center; gap: 10px; margin-top: 22px; font-size: 13px; letter-spacing: 1px; color: var(--muted); }
.crumb a { color: #d8dbe3; transition: color .3s; }
.crumb a:hover { color: var(--c1); }
.crumb i { font-style: normal; color: var(--c1); }
.page-block { padding-top: 88px; padding-bottom: 88px; }
.info-board { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.info-board div {
  padding: 22px 24px;
  background: var(--panel);
  box-shadow: inset 2px 0 0 var(--c1), inset 0 0 0 1px var(--line);
}
.info-board small { display: block; color: var(--muted); font-size: 13px; letter-spacing: 1px; margin-bottom: 6px; }
.info-board strong { display: block; font-size: 16.5px; font-weight: 600; line-height: 1.55; }
.info-board .wide { grid-column: 1 / -1; }

/* 返回顶部 */
.back-top { position: fixed; right: 24px; bottom: 24px; z-index: 90; width: 46px; height: 46px; display: grid; place-items: center; font-size: 18px; color: #160a00; background: var(--grad); clip-path: polygon(50% 0, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%); opacity: 0; transform: translateY(20px); pointer-events: none; transition: .4s; }
.back-top.show { opacity: 1; transform: none; pointer-events: auto; }
.back-top:hover { transform: translateY(-4px); }

/* ============ 响应式 ============ */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-sub { margin: 0 auto; }
  .hero-actions, .hero-trust { justify-content: center; }
  .hero-visual { height: 420px; transform: scale(.85); margin-top: -20px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner, .contact-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .nav-links { gap: 0; }
  .nav-links a { padding: 8px 10px; font-size: 14px; }
}
@media (max-width: 860px) {
  .nav-links {
    position: fixed; top: 72px; left: 0; right: 0; flex-direction: column; gap: 0; padding: 12px 16px 24px;
    background: rgba(7, 8, 12, .97); backdrop-filter: blur(16px); border-bottom: 1px solid var(--line);
    transform: translateY(-120%); transition: transform .45s cubic-bezier(.2,.7,.2,1); z-index: -1;
  }
  .nav-links.open { transform: none; z-index: 2; background: #07080c; }
  .nav-links a { padding: 14px 8px; border-bottom: 1px solid var(--line); font-size: 16px; }
  .nav-links a::before, .nav-links a::after { display: none; }
  .nav-links a.active { box-shadow: inset 2px 0 0 var(--c1); padding-left: 14px; }
  .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .nav { background: rgba(7, 8, 12, .8); backdrop-filter: blur(16px); }
  .hud-frame { inset: 84px 12px 12px; }
  .section { padding: 84px 0; }
  .sol-panel { grid-template-columns: 1fr; padding: 32px 18px; gap: 30px; }
  .process { grid-template-columns: 1fr; gap: 28px; }
  .process-line { top: 0; bottom: 0; left: 31px; right: auto; width: 2px; height: auto; background: repeating-linear-gradient(180deg, var(--line) 0 6px, transparent 6px 12px); }
  .process-line span { width: 100% !important; height: var(--ph, 0%); }
  .step { display: grid; grid-template-columns: 64px 1fr; column-gap: 20px; text-align: left; align-items: center; }
  .step-dot { margin: 0; grid-row: span 2; }
  .step p { padding: 0; }
  .case-grid { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .hero { padding-top: 110px; }
  .hero h1 { font-size: clamp(24px, 7.6vw, 32px); }
  .hero h1 .line { white-space: normal; }
  .hero-visual { height: 340px; transform: scale(.66); margin: -40px -40px -30px; }
  .fc1 { left: 8%; } .fc2 { right: 4%; }
  .hero-trust div { padding: 0 18px; }
  .hero-trust strong { font-size: 28px; }
  .service-grid, .why-grid { grid-template-columns: 1fr; }
  .stat { padding: 20px 16px; }
  .contact-form { padding: 26px 20px; }
  .contact-form .row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .f-brand { grid-column: 1 / -1; }
  .about-visual { height: 360px; }
  .info-board { grid-template-columns: 1fr; }
  .page-hero { padding: 124px 0 48px; }
  .cta-inner { padding: 56px 20px; }
  .footer-bottom { justify-content: center; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .scanline { display: none; }
}