:root{
  --bg:#07090d; --bg2:#0c1119; --card:rgba(255,255,255,.035); --line:rgba(255,255,255,.09);
  --tx:#e9eef6; --tx2:#8d99ac; --tx3:#5d6878;
  --mmb:#00e5ff;      /* 脸权 · 青 */
  --cf:#ff7a1a;       /* 创象 · 橙 */
  --rl:#b45cff;       /* 漫境 · 紫 */
  --eco:#ff2d78;      /* 瞢瞢熊生态 · 洋红 */
  --dl:#3dffb0;       /* 下载中心 · 绿 */
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  background:var(--bg);color:var(--tx);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 500px at 12% -5%,rgba(255,45,120,.10),transparent 60%),
    radial-gradient(800px 480px at 88% 6%,rgba(0,229,255,.09),transparent 62%),
    radial-gradient(700px 600px at 50% 108%,rgba(255,122,26,.07),transparent 60%);
  background-attachment:fixed;
}
.wrap{max-width:1200px;margin:0 auto;padding:0 26px}

/* ---------- 标注小签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:800;letter-spacing:.6px;
  color:var(--tx2);border:1px dashed var(--line);border-radius:999px;padding:3px 11px;
  font-family:ui-monospace,Menlo,Consolas,monospace;margin-bottom:16px;
}
.tag i{width:6px;height:6px;border-radius:50%;background:var(--tx3);display:block}

/* ---------- 导航 ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(7,9,13,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:26px;height:66px}
.logo{display:flex;align-items:center;gap:11px;font-weight:900;font-size:15.5px;letter-spacing:.2px;white-space:nowrap}
.logo svg{width:32px;height:32px;flex:none}
.logo small{display:block;font-size:10.5px;font-weight:600;color:var(--tx3);letter-spacing:.3px}
.navlinks{display:flex;gap:22px;margin-left:auto}
.navlinks a{color:var(--tx2);text-decoration:none;font-size:13.5px;font-weight:600;transition:.18s}
.navlinks a:hover{color:#fff}
.navlinks a.on{color:#fff}
.langset{display:flex;gap:2px;border:1px solid var(--line);border-radius:9px;padding:2px}
.langset span{font-size:11px;padding:2px 8px;border-radius:7px;color:var(--tx2);font-weight:700}
.langset span.on{background:rgba(255,255,255,.10);color:#fff}
.navcta{background:linear-gradient(135deg,var(--eco),#ff6a9f);color:#12060d;font-weight:900;
  font-size:13px;padding:9px 17px;border-radius:11px;text-decoration:none;white-space:nowrap}
.mnav{display:none}

/* ---------- Hero ---------- */
.hero{padding:86px 0 62px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero .grid{display:grid;grid-template-columns:1.35fr .95fr;gap:56px;align-items:center}
.corp{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:800;color:var(--tx2);
  border:1px solid var(--line);border-radius:999px;padding:5px 14px;margin-bottom:22px}
.corp em{width:6px;height:6px;border-radius:50%;background:var(--dl);font-style:normal}
h1{font-size:clamp(38px,5.4vw,68px);line-height:1.1;letter-spacing:-1.2px;font-weight:900}
h1 em{font-style:normal;background:linear-gradient(120deg,var(--mmb),var(--cf) 48%,var(--rl));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:16px;color:var(--tx2);margin-top:20px;max-width:600px}
.hero .lead b{color:#fff;font-weight:700}
.ctas{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:13px;
  font-weight:800;font-size:14px;text-decoration:none;border:1px solid var(--line);color:var(--tx);transition:.2s}
.btn:hover{transform:translateY(-2px)}
.btn.pri{background:linear-gradient(135deg,#fff,#d8e3f0);color:#080b10;border-color:transparent}
.btn.dl{border-color:rgba(61,255,176,.4);color:var(--dl);background:rgba(61,255,176,.07)}
/* 右侧三端口号 */
.slogans{display:flex;flex-direction:column;gap:11px}
.slogan{display:flex;align-items:center;gap:13px;border:1px solid var(--line);border-radius:15px;
  padding:15px 18px;background:var(--card);position:relative;overflow:hidden}
.slogan:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--a)}
.slogan .who{font-size:11px;font-weight:800;color:var(--a);letter-spacing:.4px;min-width:74px}
.slogan .say{font-size:14.5px;font-weight:800}
.hero .scroll{margin-top:44px;font-size:11.5px;color:var(--tx3);letter-spacing:.6px}

/* ---------- 数据条 ---------- */
.stats{border-bottom:1px solid var(--line);background:rgba(255,255,255,.015)}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.stat{background:var(--bg);padding:28px 22px}
.stat b{display:block;font-size:clamp(24px,3vw,34px);font-weight:900;letter-spacing:-.6px;
  background:linear-gradient(135deg,#fff,#9fb0c6);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:12.5px;color:var(--tx2);display:block;margin-top:6px}

/* ---------- 通用 section ---------- */
section{padding:78px 0;border-bottom:1px solid var(--line)}
.stitle{font-size:clamp(25px,3.1vw,38px);font-weight:900;letter-spacing:-.7px;line-height:1.22}
.sdesc{color:var(--tx2);font-size:14.5px;margin-top:14px;max-width:760px}
.two{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:start;margin-top:38px}

/* 我们是谁 */
.about p{color:#c3ccda;font-size:14.8px;margin-bottom:16px}
.about p b{color:#fff}
.mvv{display:grid;gap:11px;margin-top:26px}
.mvv div{border:1px solid var(--line);border-radius:14px;padding:15px 18px;background:var(--card)}
.mvv i{font-style:normal;font-size:11px;font-weight:800;color:var(--eco);letter-spacing:1px;display:block;margin-bottom:6px}
.mvv span{font-size:14px;font-weight:700}
.ipcard{border:1px solid var(--line);border-radius:20px;padding:26px;background:var(--card);text-align:center}
.ipcard .ph{height:230px;border-radius:15px;border:1px dashed var(--line);display:flex;
  align-items:center;justify-content:center;color:var(--tx3);font-size:12.5px;
  background:radial-gradient(circle at 50% 40%,rgba(255,122,26,.10),transparent 65%)}
.ipcard b{display:block;margin-top:18px;font-size:15px}
.ipcard span{font-size:12.5px;color:var(--tx2)}

/* 生态总览 · 三层架构 */
.stack{display:grid;gap:14px;margin-top:38px}
.layer{display:grid;grid-template-columns:150px 1fr auto;gap:22px;align-items:center;
  border:1px solid var(--line);border-left:3px solid var(--a);border-radius:16px;padding:22px 24px;
  background:var(--card);position:relative;overflow:hidden}
.layer:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,color-mix(in srgb,var(--a) 9%,transparent),transparent 42%);pointer-events:none}
.layer .lv{font-size:11px;font-weight:900;color:var(--a);letter-spacing:1.4px}
.layer .lv b{display:block;font-size:20px;color:#fff;letter-spacing:0;margin-top:4px}
.layer p{font-size:13.6px;color:var(--tx2)}
.layer p b{color:#fff;font-weight:700}
.layer .go{font-size:11.5px;font-weight:800;color:var(--a);border:1px solid color-mix(in srgb,var(--a) 40%,transparent);
  border-radius:9px;padding:6px 12px;white-space:nowrap}
.flowmark{text-align:center;color:var(--tx3);font-size:15px;margin:-6px 0 -6px}
.basestrip{margin-top:16px;border:1px dashed rgba(255,45,120,.4);border-radius:16px;padding:19px 24px;
  background:rgba(255,45,120,.05);display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.basestrip b{color:#fff;font-size:14px}
.basestrip span{color:var(--tx2);font-size:13px}

/* 四平台卡 */
.pcards{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:38px}
.pcard{border:1px solid var(--line);border-radius:20px;padding:26px;background:var(--card);
  position:relative;overflow:hidden;transition:.22s}
.pcard:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--a) 45%,transparent)}
.pcard:before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--a),transparent)}
.phead{display:flex;align-items:flex-start;gap:14px;margin-bottom:14px}
.pico{width:44px;height:44px;border-radius:13px;flex:none;display:flex;align-items:center;justify-content:center;
  background:color-mix(in srgb,var(--a) 14%,transparent);border:1px solid color-mix(in srgb,var(--a) 32%,transparent);font-size:20px}
.phead b{font-size:19px;font-weight:900;display:block}
.phead span{font-size:11.5px;color:var(--tx2);letter-spacing:.5px;font-weight:700}
.plv{font-size:10.5px;font-weight:900;color:#0a0d12;background:var(--a);border-radius:6px;
  padding:2px 8px;margin-left:auto;white-space:nowrap}
.ptag{font-size:12.5px;color:var(--a);font-weight:800;margin-bottom:4px}
.pquote{font-size:16.5px;font-weight:900;letter-spacing:.2px;margin-bottom:16px}
.pquote:before{content:"「";color:var(--tx3)}
.pquote:after{content:"」";color:var(--tx3)}
.pfeat{list-style:none;display:grid;gap:8px}
.pfeat li{font-size:13.3px;color:#c3ccda;display:flex;gap:9px}
.pfeat li:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--a);
  flex:none;margin-top:8px;opacity:.85}
.pfoot{display:flex;align-items:center;gap:10px;margin-top:20px;padding-top:15px;border-top:1px solid var(--line)}
.pfoot code{font-size:11.5px;color:var(--tx2);font-family:ui-monospace,Menlo,Consolas,monospace}
.pfoot a{margin-left:auto;font-size:12.5px;font-weight:800;color:var(--a);text-decoration:none;
  border:1px solid color-mix(in srgb,var(--a) 40%,transparent);border-radius:9px;padding:6px 13px}

/* 飞轮 */
.flywrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-top:38px}
.flyinfo li{list-style:none;font-size:14px;color:#c3ccda;padding:13px 0;border-bottom:1px solid var(--line);display:flex;gap:12px}
.flyinfo li b{color:#fff;font-weight:800}
.flyinfo li i{font-style:normal;color:var(--eco);font-weight:900;font-family:ui-monospace,monospace;font-size:12px}

/* 下载中心 */
.dlbox{border:1px solid rgba(61,255,176,.28);border-radius:22px;padding:34px;margin-top:36px;
  background:linear-gradient(135deg,rgba(61,255,176,.07),rgba(0,229,255,.04) 55%,transparent)}
.dlbox .dhead{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.dlbox h3{font-size:22px;font-weight:900}
.dlbox .pill{font-size:11.5px;font-weight:800;color:var(--dl);border:1px solid rgba(61,255,176,.4);
  border-radius:999px;padding:4px 12px}
.dlgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-top:24px}
.dlitem{border:1px solid var(--line);border-radius:14px;padding:16px;background:rgba(0,0,0,.25)}
.dlitem b{display:block;font-size:14px}
.dlitem span{font-size:11.5px;color:var(--tx2);display:block;margin-top:5px}
.dlnote{margin-top:18px;font-size:12.4px;color:var(--tx2)}
.dlcta{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}

/* 里程碑 */
.tl{margin-top:38px;display:grid;gap:0}
.tli{display:grid;grid-template-columns:132px 24px 1fr;gap:18px;align-items:start;padding-bottom:22px;position:relative}
.tli .d{font-size:12.5px;font-weight:800;color:var(--tx2);font-family:ui-monospace,Menlo,monospace;padding-top:1px}
.tli .dot{width:11px;height:11px;border-radius:50%;background:var(--eco);margin-top:5px;position:relative;z-index:2;
  box-shadow:0 0 0 4px rgba(255,45,120,.14)}
.tli:not(:last-child) .dot:after{content:"";position:absolute;left:5px;top:11px;width:1px;height:calc(100% + 11px);background:var(--line)}
.tli b{font-size:14.5px;display:block}
.tli p{font-size:13px;color:var(--tx2);margin-top:3px}

/* 联系 + 页脚 */
.contact .grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;margin-top:34px}
.cinfo div{display:flex;gap:13px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
.cinfo i{font-style:normal;color:var(--tx3);min-width:70px;font-size:12.5px;padding-top:3px}
.cform{border:1px solid var(--line);border-radius:18px;padding:24px;background:var(--card)}
.cform .f{height:44px;border:1px solid var(--line);border-radius:11px;margin-bottom:11px;
  display:flex;align-items:center;padding:0 14px;color:var(--tx3);font-size:13px;background:rgba(0,0,0,.22)}
.cform .f.ta{height:96px;align-items:flex-start;padding-top:12px}
.cform button{width:100%;height:46px;border-radius:12px;border:0;font-weight:900;font-size:14px;
  background:linear-gradient(135deg,var(--eco),#ff6a9f);color:#12060d;cursor:pointer}
footer{padding:56px 0 30px;background:rgba(0,0,0,.3);border-top:1px solid var(--line)}
footer .fnav{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:34px}
footer h5{font-size:12px;color:var(--tx3);letter-spacing:1px;font-weight:800;margin-bottom:13px}
footer li{list-style:none;font-size:13px;color:var(--tx2);padding:4px 0}
footer code{font-size:12px;color:var(--dl);font-family:ui-monospace,Menlo,monospace}
.fbot{margin-top:38px;padding-top:20px;border-top:1px solid var(--line);display:flex;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--tx3)}

/* 响应式 */
@media(max-width:980px){
  .hero .grid,.two,.flywrap,.contact .grid{grid-template-columns:1fr;gap:34px}
  .pcards{grid-template-columns:1fr}
  .stats .grid{grid-template-columns:1fr 1fr}
  .dlgrid{grid-template-columns:1fr 1fr}
  .navlinks,.langset,.navcta{display:none}
  .mnav{display:block;margin-left:auto;color:var(--tx2);font-size:20px}
  .layer{grid-template-columns:1fr;gap:10px}
  footer .fnav{grid-template-columns:1fr 1fr}
}

/* ---------- 二级页面通用 ---------- */
.crumb{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--tx3);padding:26px 0 0;letter-spacing:.4px}
.crumb a{color:var(--tx2);text-decoration:none}
.crumb a:hover{color:#fff}
.crumb em{font-style:normal;color:var(--tx3)}
.phero{padding:56px 0 46px;border-bottom:1px solid var(--line)}
.phero h1{font-size:clamp(32px,4.2vw,52px)}
.phero .lead{font-size:15.5px;color:var(--tx2);margin-top:16px;max-width:720px}
.navlinks a.on{color:#fff;border-bottom:2px solid var(--eco);padding-bottom:4px}
.more{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:var(--eco);text-decoration:none;margin-top:20px}
.more:after{content:"→";transition:.2s}
.more:hover:after{transform:translateX(4px)}
.homecard{display:block;text-decoration:none;color:inherit}

/* ---------- 首页 · 电影感 Hero（BP 封面同款） ---------- */
.cinhero{position:relative;min-height:calc(100vh - 67px);display:flex;align-items:center;
  background:#040405;overflow:hidden;border-bottom:1px solid var(--line);padding:0}
.cinhero .bg{position:absolute;inset:0;background:url('assets/hero-bg.jpg') center/cover no-repeat}
.cinhero .shade{position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(3,3,5,.90) 0%,rgba(3,3,5,.62) 42%,rgba(3,3,5,.18) 72%,rgba(3,3,5,.35) 100%),
             linear-gradient(0deg,rgba(3,3,5,.92) 0%,transparent 26%),
             linear-gradient(180deg,rgba(3,3,5,.55) 0%,transparent 22%)}
.cinhero .wrap{position:relative;z-index:2;width:100%;padding-top:40px;padding-bottom:88px}
.cinhero .kicker{display:inline-flex;align-items:center;gap:12px;font-size:12.5px;font-weight:800;
  letter-spacing:3px;color:#c9b28a;text-transform:uppercase;margin-bottom:20px}
.cinhero .kicker:before{content:"";width:34px;height:3px;background:#f39c1f;display:block}
.cinhero .over{font-size:clamp(15px,1.6vw,19px);font-weight:700;color:#e8e2d6;letter-spacing:2px;margin-bottom:14px}
.cinhero h1{font-size:clamp(42px,6vw,78px);line-height:1.12;letter-spacing:-1px;font-weight:900;color:#fff;max-width:900px}
.cinhero h1 em{font-style:normal;color:#f39c1f}
.cinhero .tagline{margin-top:26px;font-size:clamp(14px,1.5vw,18px);font-weight:700;color:#b9ac93;letter-spacing:4px}
.cinhero .tagline b{color:#e8e2d6}
.cinhero .ctas{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.cinhero .strip{position:absolute;left:0;right:0;bottom:0;z-index:2;
  border-top:1px solid rgba(255,255,255,.10);background:rgba(3,3,5,.55);backdrop-filter:blur(8px)}
.cinhero .strip .wrap{display:flex;align-items:center;gap:0;padding-top:0;padding-bottom:0;flex-wrap:wrap;min-height:58px}
.cinstrip-item{display:flex;align-items:center;gap:9px;font-size:13.5px;font-weight:800;color:#f2ede2;padding:12px 26px 12px 0;white-space:nowrap}
.cinstrip-item i{font-style:normal;width:8px;height:8px;border-radius:2px;background:var(--a);display:block;transform:rotate(45deg)}
.cinstrip-x{color:#f39c1f;font-weight:900;padding:0 18px 0 8px}
@media(max-width:980px){
  .cinhero{min-height:70vh}
  .cinhero .strip .wrap{padding-top:4px}
}

/* ---------- 首屏动态背景视频（静态图为封面降级） ---------- */
.cinhero .bgvideo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:0}
.cinhero .bg{z-index:0}
.cinhero .shade{z-index:1}