/* ===== ACTORS 官网 共享样式 ===== */
:root{
  --bg:#f7f9fc;
  --bg-soft:#eef2f7;
  --surface:#ffffff;
  --ink:#0f172a;
  --ink-2:#334155;
  --ink-3:#64748b;
  --line:#e2e8f0;
  --brand:#0b3d91;        /* 深蓝 主色 */
  --brand-2:#06b6d4;      /* 青 强调 */
  --brand-grad:linear-gradient(135deg,#0b3d91 0%,#06b6d4 100%);
  --ok:#16a34a;
  --warn:#d97706;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --shadow-sm:0 4px 14px rgba(15,23,42,.06);
  --maxw:1180px;
  --font:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:84px 0}
.section.tight{padding:56px 0}
.center{text-align:center}

/* ---- 头部导航 ---- */
header.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:.5px}
.brand .logo{width:34px;height:34px;border-radius:9px;background:var(--brand-grad);display:grid;place-items:center;color:#fff;font-size:15px;font-weight:900;box-shadow:var(--shadow-sm)}
.brand small{display:block;font-size:11px;font-weight:600;color:var(--ink-3);letter-spacing:2px}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-size:15px;color:var(--ink-2);font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--brand)}
.nav-cta{display:flex;gap:12px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:10px;font-weight:600;font-size:14px;cursor:pointer;border:1px solid transparent;transition:transform .15s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 8px 20px rgba(11,61,145,.25)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand)}
.btn-line{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.menu-toggle{display:none;background:none;border:none;font-size:26px;color:var(--ink);cursor:pointer}

/* ---- Hero ---- */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 500px at 80% -10%,rgba(6,182,212,.18),transparent),linear-gradient(180deg,#0b1f44,#0b3d91 60%,#0a2f6e);color:#fff}
.hero .wrap{padding:96px 22px 104px}
.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.12;font-weight:800;letter-spacing:.5px}
.hero h1 .ac{background:linear-gradient(90deg,#67e8f9,#a5f3fc);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{margin:22px auto 0;max-width:680px;font-size:18px;color:#cbd5e1}
.hero-cta{margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero .btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.3)}
.hero .btn-ghost:hover{background:rgba(255,255,255,.2)}
.hero-badges{margin-top:30px;display:flex;gap:24px;justify-content:center;flex-wrap:wrap;color:#bae6fd;font-size:13px;letter-spacing:1px}
.hero-badges span{display:inline-flex;align-items:center;gap:7px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 4px rgba(6,182,212,.25)}

/* ---- 通用标题 ---- */
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--brand-2);text-transform:uppercase;margin-bottom:10px}
.h2{font-size:clamp(24px,3.4vw,36px);font-weight:800;letter-spacing:.3px}
.sub{color:var(--ink-3);font-size:16px;margin-top:12px;max-width:640px}
.center .sub{margin-left:auto;margin-right:auto}

/* ---- 卡片网格 ---- */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe9f1}
.card .ic{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,#e0f2fe,#cffafe);display:grid;place-items:center;color:var(--brand);margin-bottom:16px}
.card h3{font-size:18px;margin-bottom:8px}
.card p{color:var(--ink-3);font-size:14.5px}
.card .tag{display:inline-block;margin-top:14px;font-size:12px;font-weight:700;color:var(--brand-2);background:#ecfeff;padding:4px 10px;border-radius:999px}

/* ---- 产品矩阵 ---- */
.prod{display:flex;gap:18px;align-items:flex-start}
.prod .ic{flex:0 0 auto}
.prod .meta{font-size:12.5px;color:var(--ink-3);margin-top:6px}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.pill{font-size:12.5px;background:var(--bg-soft);color:var(--ink-2);padding:5px 11px;border-radius:999px;border:1px solid var(--line)}

/* ---- 特性条 ---- */
.feat{display:flex;gap:14px;align-items:flex-start;padding:16px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--line)}
.feat .ic{width:38px;height:38px;border-radius:10px;background:#eef6ff;color:var(--brand);display:grid;place-items:center;flex:0 0 auto}
.feat h4{font-size:15.5px;margin-bottom:3px}
.feat p{font-size:13.5px;color:var(--ink-3)}

/* ---- 应用场景 ---- */
.scene{position:relative;border-radius:var(--radius);overflow:hidden;padding:30px;color:#fff;min-height:210px;display:flex;flex-direction:column;justify-content:flex-end;border:1px solid rgba(255,255,255,.08)}
.scene h3{font-size:20px;margin-bottom:6px}
.scene p{font-size:14px;color:rgba(255,255,255,.82)}
.scene.s1{background:linear-gradient(135deg,#0b3d91,#06b6d4)}
.scene.s2{background:linear-gradient(135deg,#1e3a8a,#3b82f6)}
.scene.s3{background:linear-gradient(135deg,#0f766e,#14b8a6)}
.scene.s4{background:linear-gradient(135deg,#7c2d12,#f97316)}
.scene.s5{background:linear-gradient(135deg,#4c1d95,#a855f7)}
.scene.s6{background:linear-gradient(135deg,#155e75,#22d3ee)}

/* ---- 步骤 ---- */
.steps{counter-reset:s;display:grid;gap:18px}
.step{display:flex;gap:16px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.step::before{counter-increment:s;content:counter(s);flex:0 0 auto;width:36px;height:36px;border-radius:50%;background:var(--brand-grad);color:#fff;display:grid;place-items:center;font-weight:800}
.step h4{font-size:16px;margin-bottom:4px}
.step p{font-size:14px;color:var(--ink-3)}

/* ---- 授权模式 ---- */
.plan{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:var(--surface);box-shadow:var(--shadow-sm);position:relative}
.plan.best{border-color:var(--brand-2);box-shadow:0 12px 30px rgba(6,182,212,.18)}
.plan .badge{position:absolute;top:-12px;right:22px;background:var(--brand-grad);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px}
.plan h3{font-size:19px}
.plan .price{font-size:15px;color:var(--ink-3);margin:8px 0 16px}
.plan ul{list-style:none;display:grid;gap:10px}
.plan li{display:flex;gap:9px;font-size:14px;color:var(--ink-2);align-items:flex-start}
.plan li svg{flex:0 0 auto;color:var(--ok);margin-top:3px}

/* ---- 统计 ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.stat .n{font-size:34px;font-weight:800;color:var(--brand);background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{font-size:13.5px;color:var(--ink-3);margin-top:4px}

/* ---- 表单 ---- */
.form{display:grid;gap:14px;max-width:560px;margin:0 auto}
.field{display:grid;gap:6px}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.field input,.field textarea,.field select{padding:11px 13px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:14.5px;background:#fff;color:var(--ink)}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(6,182,212,.15)}
.note{font-size:13px;color:var(--ink-3);background:#fffbeb;border:1px solid #fde68a;padding:12px 14px;border-radius:10px}

/* ---- 演示位 ---- */
.video-frame{position:relative;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;background:linear-gradient(135deg,#0b1f44,#0b3d91);display:grid;place-items:center;color:#fff;border:1px solid rgba(255,255,255,.1)}
.video-frame video{width:100%;height:100%;object-fit:cover}
.video-ph{text-align:center;padding:30px}
.video-ph .play{width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.15);display:grid;place-items:center;margin:0 auto 14px;font-size:24px}
.video-frame .tag{position:absolute;bottom:12px;left:12px;font-size:12px;background:rgba(0,0,0,.4);padding:5px 10px;border-radius:8px}

/* ---- 代码/机制块 ---- */
.code{background:#0b1220;color:#cbd5e1;border-radius:var(--radius);padding:20px;font-family:"SFMono-Regular",Consolas,monospace;font-size:13.5px;line-height:1.7;overflow:auto}
.code .k{color:#67e8f9}
.code .c{color:#64748b}
.table{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.table th,.table td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line)}
.table th{background:var(--bg-soft);font-weight:700;color:var(--ink)}
.table tr:last-child td{border-bottom:none}

/* ---- 页脚 ---- */
footer{background:#0b1220;color:#cbd5e1;padding:54px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.foot-grid h4{color:#fff;font-size:15px;margin-bottom:14px}
.foot-grid a{display:block;color:#94a3b8;font-size:14px;padding:5px 0}
.foot-grid a:hover{color:#67e8f9}
.foot-brand p{color:#94a3b8;font-size:14px;margin-top:14px;max-width:300px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#64748b;font-size:13px}

/* ---- 响应式 ---- */
@media(max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .nav-links{position:fixed;inset:64px 0 auto 0;background:#fff;flex-direction:column;gap:0;padding:10px 22px 20px;border-bottom:1px solid var(--line);transform:translateY(-120%);transition:transform .25s;box-shadow:var(--shadow)}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:13px 0;border-bottom:1px solid var(--line);width:100%}
  .menu-toggle{display:block}
  .nav-cta .btn-ghost{display:none}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
  .section{padding:60px 0}
}