/* ==========================================================================
   TPFROBOT · tpbrobot.com 设计系统
   Visual reference: apptronik.com (Gotham / 火焰橙 / 墨黑 / 浅灰)
   ========================================================================== */
:root{
  --flame:#F34C1B;
  --flame-dark:#D93E12;
  --blue:#0050BD;
  --ink:#1A1B1F;
  --ink-2:#32343A;
  --gray:#43464D;
  --gray-2:#6B7280;
  --gray-3:#9BA1AC;
  --bg:#FFFFFF;
  --bg-soft:#F5F7FA;
  --bg-soft-2:#E4EBF3;
  --line:#E4EBF3;
  --maxw:1280px;
  --font-en:"Gotham","Noto Sans SC",system-ui,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-en),system-ui,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
.en{font-family:var(--font-en),sans-serif}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}

/* ---- 排版 ---- */
h1,h2,h3,h4{font-family:var(--font-en),sans-serif;font-weight:700;line-height:1.08;letter-spacing:-.02em;color:var(--ink)}
.hero-title{font-size:clamp(48px,7.4vw,96px);font-weight:700;line-height:1.03;letter-spacing:-.025em}
.h2{font-size:clamp(34px,4.4vw,54px);font-weight:700;line-height:1.1;letter-spacing:-.02em}
.h3{font-size:clamp(24px,2.8vw,34px);font-weight:700;line-height:1.2;letter-spacing:-.01em}
.kicker{font-family:var(--font-en),sans-serif;font-size:12px;font-weight:700;letter-spacing:.28em;text-transform:uppercase;color:var(--flame)}
.lead{font-size:18px;line-height:1.85;color:var(--gray)}
.body-lg{font-size:17px;line-height:1.9;color:var(--gray)}
.mono{font-family:var(--font-mono)}

/* ---- 容器 ---- */
.container{max-width:var(--maxw);margin:0 auto;padding:0 48px}
.section{padding:110px 0}
.sec-head{max-width:820px;margin-bottom:60px}
.sec-head .h2{margin-top:18px}
.sec-head p{margin-top:20px;color:var(--gray);font-size:17px;line-height:1.9}

/* ---- 按钮 ---- */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-en),sans-serif;font-weight:700;font-size:15px;letter-spacing:.02em;padding:16px 34px;border-radius:999px;transition:all .25s cubic-bezier(.2,.8,.2,1);cursor:pointer;border:none;white-space:nowrap}
.btn-flame{background:var(--flame);color:#fff}
.btn-flame:hover{background:var(--flame-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(243,76,27,.32)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-white{background:#fff;color:var(--ink)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.18)}
.btn .arr{transition:transform .25s}
.btn:hover .arr{transform:translateX(4px)}

/* ---- 导航 ---- */
.nav{position:sticky;top:0;z-index:200;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:0 48px;height:88px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:12px;font-weight:700;font-size:19px;letter-spacing:-.01em;color:var(--ink)}
.logo-mark{width:38px;height:38px;border-radius:10px;background:var(--ink);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.logo-mark svg{width:22px;height:22px}
.logo small{display:block;font-size:10px;font-weight:600;letter-spacing:.2em;color:var(--gray-2);line-height:1}
.nav-links{display:flex;align-items:center;gap:36px}
.nav-links a{font-size:14px;font-weight:600;color:var(--gray);letter-spacing:.01em;transition:color .2s;position:relative}
.nav-links a:hover,.nav-links a.on{color:var(--ink)}
.nav-links a.on::after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;background:var(--flame)}
.nav-cta{display:flex;align-items:center;gap:16px}
.nav-cta .btn{padding:12px 26px;font-size:14px}
.nav-burger{display:none;background:none;border:none;cursor:pointer;width:40px;height:40px}
.nav-burger span{display:block;width:22px;height:2px;background:var(--ink);margin:5px auto;transition:.3s}

/* ---- Hero（浅色，忠实 Apptronik） ---- */
.hero{position:relative;background:var(--bg);overflow:hidden}
.hero-in{max-width:var(--maxw);margin:0 auto;padding:96px 48px 0;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-copy{padding-bottom:96px}
.hero-kicker{font-family:var(--font-en);font-size:13px;font-weight:700;letter-spacing:.3em;text-transform:uppercase;color:var(--flame)}
.hero-title{color:var(--ink);margin:24px 0 0}
.hero-title .accent{color:var(--flame)}
.hero-sub{margin-top:24px;font-size:19px;line-height:1.85;color:var(--gray);max-width:34em}
.hero-actions{display:flex;gap:16px;margin-top:40px;flex-wrap:wrap}
.hero-fig{position:relative;height:520px;border-radius:22px;overflow:hidden;background:var(--bg-soft-2)}
.hero-fig img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-fig::after{content:"";position:absolute;left:0;right:0;bottom:0;height:40%;background:linear-gradient(180deg,transparent,rgba(26,27,31,.55))}
.hero-tag{position:absolute;left:24px;bottom:22px;z-index:2;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:rgba(255,255,255,.85);line-height:1.9}
.hero-strip{border-top:1px solid var(--line)}
.hero-strip-in{max-width:var(--maxw);margin:0 auto;padding:26px 48px;display:flex;gap:48px;flex-wrap:wrap;font-family:var(--font-en);font-size:12px;letter-spacing:.14em;color:var(--gray-2)}
.hero-strip-in b{color:var(--ink);font-weight:700}

/* ---- 双栏 ---- */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.panel{background:var(--bg-soft);border:1px solid var(--line);border-radius:22px;padding:44px}
.panel .kicker{margin-bottom:16px}
.panel h3{font-size:24px}
.panel p{margin-top:16px;color:var(--gray);line-height:1.85}
.panel .tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.panel .tag{font-size:13px;font-weight:600;padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--gray)}
.panel .tag.hot{border-color:var(--flame);color:var(--flame)}

/* ---- 卡片网格 ---- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-6px);box-shadow:0 24px 48px rgba(26,27,31,.1)}
.card .imgbox{height:210px;overflow:hidden;position:relative;background:var(--bg-soft-2)}
.card .imgbox img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.card:hover .imgbox img{transform:scale(1.06)}
.card .tag{position:absolute;top:16px;left:16px;background:var(--flame);color:#fff;font-size:11px;font-weight:700;letter-spacing:.1em;padding:6px 14px;border-radius:999px}
.card .tag.blue{background:var(--blue)}
.card .tag.dark{background:var(--ink)}
.card .body{padding:28px}
.card h3{font-size:20px}
.card .body p{margin-top:12px;font-size:14.5px;line-height:1.85;color:var(--gray)}
.card .meta{margin-top:16px;font-size:12.5px;color:var(--gray-2);letter-spacing:.02em}

/* ---- 深色区块 ---- */
.dark{background:var(--ink);color:#fff}
.dark .h2,.dark h2,.dark h3{color:#fff}
.dark .kicker{color:var(--flame)}
.dark p{color:#B9BDC7}

/* ---- 数据带 ---- */
.databand{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.databand-in{max-width:var(--maxw);margin:0 auto;padding:72px 48px;display:grid;grid-template-columns:repeat(4,1fr);gap:36px}
.data .n{font-family:var(--font-en);font-size:clamp(42px,4.6vw,64px);font-weight:700;letter-spacing:-.02em;line-height:1}
.data .n i{font-style:normal;color:var(--flame)}
.data .l{margin-top:12px;font-size:14px;color:var(--gray-2);letter-spacing:.04em}

/* ---- CTA ---- */
.cta{background:var(--flame);color:#fff;padding:110px 0;text-align:center;position:relative;overflow:hidden}
.cta .h2{color:#fff;font-size:clamp(34px,4.6vw,58px)}
.cta p{margin:24px auto 0;font-size:17px;color:rgba(255,255,255,.88);max-width:36em;line-height:1.9}
.cta .btn{margin-top:44px;background:#fff;color:var(--flame)}
.cta .btn:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(0,0,0,.2)}

/* ---- 页脚 ---- */
.footer{background:var(--ink);color:#fff;padding:84px 0 40px}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px}
.f-brand .logo{color:#fff}
.f-brand .logo-mark{background:var(--flame)}
.f-brand p{margin-top:20px;font-size:13.5px;color:var(--gray-3);line-height:1.9;max-width:26em}
.f-col h4{font-size:13px;font-weight:700;letter-spacing:.14em;color:#fff;margin-bottom:20px}
.f-col a{display:block;font-size:14px;color:var(--gray-3);padding:6px 0;transition:color .2s}
.f-col a:hover{color:var(--flame)}
.f-bottom{margin-top:64px;padding-top:28px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12.5px;color:var(--gray-3);letter-spacing:.04em}
.f-bottom .f-icp{display:inline-flex;align-items:center;gap:14px}
.f-bottom .f-icp a{color:var(--gray-3);text-decoration:none;transition:color .2s}
.f-bottom .f-icp a:hover{color:var(--flame)}
.f-bottom .f-icp a::before{content:"";display:inline-block;width:11px;height:12px;margin-right:5px;vertical-align:-1px;background:currentColor;-webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M12 1 3 5v6c0 5.5 3.8 10.7 9 12 5.2-1.3 9-6.5 9-12V5l-9-4zm-1.2 15.4-4.2-4.2 1.6-1.6 2.6 2.6 6.6-6.6 1.6 1.6-8.2 8.2z'/></svg>") center/contain no-repeat;mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M12 1 3 5v6c0 5.5 3.8 10.7 9 12 5.2-1.3 9-6.5 9-12V5l-9-4zm-1.2 15.4-4.2-4.2 1.6-1.6 2.6 2.6 6.6-6.6 1.6 1.6-8.2 8.2z'/></svg>") center/contain no-repeat}

/* ---- 内页页头（媒体优先：全出血大图横幅） ---- */
.phead{position:relative;height:58vh;min-height:440px;overflow:hidden;background:var(--ink);display:flex;align-items:flex-end}
.phead-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.phead-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.05) 0%,rgba(0,0,0,.35) 60%,rgba(0,0,0,.66) 100%)}
.phead .container{position:relative;z-index:2;padding-bottom:60px}
.phead .crumb{font-family:var(--font-en);font-size:12px;letter-spacing:.22em;color:rgba(255,255,255,.6)}
.phead .crumb b{color:var(--flame)}
.phead h1{color:#fff;font-size:clamp(42px,5.4vw,76px);margin-top:20px;font-weight:700}
.phead p{margin-top:20px;font-size:18px;color:rgba(255,255,255,.85);max-width:42em;line-height:1.9}

/* ---- 移动端菜单 ---- */
.nav-mobile{display:none;background:#fff;border-bottom:1px solid var(--line)}
.nav-mobile.open{display:block}
.nav-mobile a{display:block;padding:16px 24px;font-size:15px;font-weight:600;color:var(--gray);border-top:1px solid var(--bg-soft)}
.nav-mobile a:hover{color:var(--flame)}

/* ---- 资讯卡片 ---- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:block;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:transform .3s,box-shadow .3s;color:var(--ink)}
.news-card:hover{transform:translateY(-6px);box-shadow:0 24px 48px rgba(26,27,31,.1)}
.news-card .imgbox{height:190px;overflow:hidden;background:var(--bg-soft-2)}
.news-card .imgbox img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.news-card:hover .imgbox img{transform:scale(1.06)}
.news-card .nbody{padding:24px}
.news-card .nmeta{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.news-card .tag{font-size:11px;font-weight:700;letter-spacing:.08em;padding:4px 12px;border-radius:999px;background:var(--bg-soft);color:var(--blue)}
.news-card .tag.合作进展{background:rgba(243,76,27,.12);color:var(--flame)}
.news-card .tag.场景运营{background:rgba(0,80,189,.1);color:var(--blue)}
.news-card .tag.媒体报道{background:rgba(26,27,31,.07);color:var(--ink)}
.news-card .tag.公司动态{background:rgba(26,27,31,.07);color:var(--ink)}
.news-card .date{font-family:var(--font-mono);font-size:12px;color:var(--gray-2)}
.news-card h3{font-size:18px;line-height:1.45}
.news-card p{margin-top:10px;font-size:13.5px;color:var(--gray);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---- 响应式 ---- */
@media (max-width:960px){
  .container,.nav-in,.hero-in,.hero-strip-in,.databand-in{padding-left:24px;padding-right:24px}
  .nav-links{display:none}
  .nav-burger{display:block}
  .hero-in{grid-template-columns:1fr;padding-top:80px}
  .hero-fig{display:none}
  .two-col,.grid-3,.grid-4,.news-grid{grid-template-columns:1fr}
  .databand-in{grid-template-columns:repeat(2,1fr)}
  .f-grid{grid-template-columns:1fr 1fr}
  .section{padding:72px 0}
  .split,.scene-row{grid-template-columns:1fr;min-height:auto}
  .split.reverse .split-img,.scene-row.reverse .scene-row-img{order:0}
  .split.reverse .split-text,.scene-row.reverse .scene-row-body{order:0}
  .split-img,.scene-row-img{min-height:380px}
  .split-text,.scene-row-body{padding:48px 28px}
  .immersive-inner{padding:64px 28px}
  .grid-2-dark{grid-template-columns:1fr}
  .fullhero-kicker{top:24px;left:24px}
  .fullhero-tag,.fullhero-cta{font-size:11px;padding:12px 20px}
  .fullhero-tag{right:20px;bottom:20px}
  .fullhero-cta{left:20px;bottom:20px}
  .statement{padding:72px 0}
}

/* ========================================================================
   Apptronik 风格核心：媒体先行 · 全出血大图 · 图文大块
   ======================================================================== */

.fullhero{position:relative;width:100%;height:88vh;min-height:620px;overflow:hidden;background:#000}
.fullhero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.fullhero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.18) 0%,transparent 28%,transparent 58%,rgba(0,0,0,.55) 100%)}
.fullhero-kicker{position:absolute;top:36px;left:36px;font-family:var(--font-en);font-size:13px;font-weight:700;letter-spacing:.28em;color:#fff;z-index:3}
.fullhero-tag{position:absolute;right:36px;bottom:36px;font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:rgba(255,255,255,.7);text-align:right;line-height:1.9;z-index:3}
.fullhero-cta{position:absolute;left:36px;bottom:36px;display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:999px;background:rgba(255,255,255,.14);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.25);color:#fff;font-family:var(--font-en);font-weight:700;font-size:13px;letter-spacing:.04em;z-index:3;transition:.3s;text-decoration:none}
.fullhero-cta:hover{background:rgba(255,255,255,.25)}
.fullhero-cta svg{width:18px;height:18px}

.statement{padding:120px 0 100px}
.statement .container{max-width:1080px}
.h-display{font-size:clamp(38px,5.2vw,76px);font-weight:700;line-height:1.08;letter-spacing:-.025em;margin-top:24px}
.h-display em{font-style:normal;color:var(--flame)}
.statement .lead{margin-top:36px;font-size:19px;line-height:1.9;color:var(--gray);max-width:48em}
.claim{margin-top:32px;font-size:18px;font-weight:600;color:var(--ink);max-width:44em;line-height:1.8;padding-left:20px;border-left:3px solid var(--flame)}

.split{display:grid;grid-template-columns:1fr 1fr;min-height:640px;align-items:stretch}
.split.reverse .split-img{order:2}
.split.reverse .split-text{order:1}
.split-img{position:relative;overflow:hidden;background:var(--bg-soft-2);min-height:560px}
.split-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s}
.split-img:hover img{transform:scale(1.04)}
.split-cta{position:absolute;left:32px;bottom:32px;z-index:3}
.split-copy{position:absolute;right:24px;bottom:24px;z-index:3;background:rgba(255,255,255,.85);backdrop-filter:blur(8px);border:1px solid rgba(0,0,0,.06);width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink);transition:.3s}
.split-copy:hover{background:#fff;transform:scale(1.06)}
.split-copy svg{width:18px;height:18px}
.split-text{padding:80px 64px;display:flex;flex-direction:column;justify-content:center;background:var(--bg)}
.split-text .h2{margin-top:18px}
.split-text .body-lg{margin-top:24px}

.immersive{position:relative;width:100%;min-height:560px;overflow:hidden;display:flex;align-items:center}
.immersive-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.immersive-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.72) 0%,rgba(0,0,0,.45) 60%,transparent 100%)}
.immersive-inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:80px 48px;width:100%;color:#fff}
.immersive-inner .h2{color:#fff;margin-top:18px}
.immersive-inner .lead{margin-top:24px;font-size:18px;color:rgba(255,255,255,.9);max-width:44em}

.scene-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.scene-row{display:grid;grid-template-columns:1.1fr 1fr;min-height:320px;border-bottom:1px solid var(--line);transition:background .3s;color:var(--ink)}
.scene-row:hover{background:var(--bg-soft)}
.scene-row.reverse .scene-row-img{order:2}
.scene-row.reverse .scene-row-body{order:1}
.scene-row-img{position:relative;overflow:hidden;min-height:320px}
.scene-row-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.scene-row:hover .scene-row-img img{transform:scale(1.04)}
.scene-no{position:absolute;top:20px;left:24px;font-family:var(--font-en);font-size:14px;font-weight:700;letter-spacing:.1em;color:#fff;background:rgba(26,27,31,.6);backdrop-filter:blur(6px);padding:6px 14px;border-radius:999px;z-index:2}
.scene-row-body{padding:48px 64px;display:flex;flex-direction:column;justify-content:center}
.scene-row-body h3{font-size:clamp(26px,2.6vw,36px);margin-top:14px}
.scene-row-body p{margin-top:16px;color:var(--gray);font-size:16px;line-height:1.85;max-width:30em}

.dark-full{background:var(--ink);color:#fff;padding:120px 0}
.dark-full .kicker{color:var(--flame)}
.dark-full .h2{color:#fff;margin-top:18px}
.grid-2-dark{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:56px}
.eng-card{border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:40px;background:rgba(255,255,255,.03);transition:.3s}
.eng-card:hover{background:rgba(255,255,255,.06);transform:translateY(-4px)}
.eng-card .kicker{color:var(--flame);font-family:var(--font-en)}
.eng-card h3{color:#fff;font-size:24px;margin-top:14px}
.eng-card p{margin-top:14px;color:#B9BDC7;font-size:15px;line-height:1.85}
.eng-card .btn{margin-top:24px}

/* ---- 八大场景图片磁贴（媒体优先 + 点击弹窗） ---- */
.scene-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.scene-card{position:relative;overflow:hidden;border-radius:18px;min-height:300px;border:none;cursor:pointer;text-align:left;color:#fff;font-family:inherit;padding:0;background:#000}
.scene-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .65s}
.scene-card:hover img{transform:scale(1.06)}
.scene-card-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.06) 0%,rgba(0,0,0,.2) 45%,rgba(0,0,0,.74) 100%)}
.scene-card-no{position:absolute;top:16px;left:18px;z-index:2;font-family:var(--font-en);font-size:13px;font-weight:700;letter-spacing:.12em;color:#fff;background:rgba(26,27,31,.45);backdrop-filter:blur(6px);padding:5px 12px;border-radius:999px}
.scene-card-arrow{position:absolute;top:16px;right:18px;z-index:2;font-size:18px;color:#fff;opacity:0;transform:translateX(-6px);transition:.3s}
.scene-card:hover .scene-card-arrow{opacity:1;transform:translateX(0)}
.scene-card-info{position:absolute;left:20px;right:20px;bottom:20px;z-index:2;display:flex;flex-direction:column}
.scene-card-type{font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.72)}
.scene-card-name{font-size:24px;font-weight:700;margin-top:6px}
.scene-card-tag{font-size:13px;color:rgba(255,255,255,.84);line-height:1.5;margin-top:6px}

/* ---- 弹窗 ---- */
.scene-modal{position:fixed;inset:0;z-index:400;display:none;align-items:center;justify-content:center;padding:24px}
.scene-modal.open{display:flex}
.scene-modal-backdrop{position:absolute;inset:0;background:rgba(26,27,31,.6);backdrop-filter:blur(6px)}
.scene-modal-card{position:relative;z-index:2;background:#fff;border-radius:24px;max-width:660px;width:100%;max-height:86vh;overflow-y:auto;padding:44px;animation:modalIn .3s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.scene-modal-x{position:absolute;top:18px;right:20px;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:22px;line-height:1;color:var(--gray);cursor:pointer;transition:.2s}
.scene-modal-x:hover{background:var(--bg-soft);color:var(--ink)}
.scene-modal-name{font-size:34px;margin-top:14px}
.scene-modal-tag{font-size:17px;color:var(--flame);font-weight:600;margin-top:8px}
.scene-modal-sec{margin-top:28px}
.scene-modal-sec h4{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--gray-2);text-transform:uppercase}
.scene-modal-sec p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--gray)}
.scene-modal-dual{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.scene-modal-dual>div{background:var(--bg-soft);border-radius:14px;padding:18px}
.scene-modal-dual h4{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--blue);text-transform:uppercase}
.scene-modal-dual p{margin-top:8px;font-size:13.5px;line-height:1.7;color:var(--gray)}
.scene-modal-loop{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.scene-modal-loop span{font-size:12px;padding:7px 14px;border-radius:999px;border:1px solid var(--line);color:var(--gray);background:#fff}
.scene-modal .btn{margin-top:28px}

/* ---- 全栈流程图 ---- */
.flow{display:flex;flex-wrap:wrap;align-items:stretch;gap:0;margin-top:28px;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.flow-step{flex:1;min-width:130px;padding:22px 18px;background:#fff;position:relative}
.flow-step:not(:last-child)::after{content:"→";position:absolute;right:-8px;top:50%;transform:translateY(-50%);color:var(--flame);font-weight:700;z-index:2}
.flow-step .n{font-family:var(--font-en);font-size:12px;font-weight:700;color:var(--flame)}
.flow-step .t{font-size:15px;font-weight:700;margin-top:8px}
.flow-step .d{font-size:12px;color:var(--gray-2);margin-top:6px;line-height:1.6}

/* ---- Hero 轮播 + 头图标题（B方案） ---- */
.hero-slider{position:absolute;inset:0;z-index:0}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.4s ease}
.hero-slide.active{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover}
.hero-content{position:absolute;left:48px;right:48px;bottom:130px;z-index:4;max-width:960px}
.hero-content .fullhero-kicker{position:static;top:auto;left:auto;margin-bottom:22px}
.hero-title-big{font-size:clamp(34px,4.6vw,62px);font-weight:700;color:#fff;line-height:1.12;letter-spacing:-.02em}
.hero-actions{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}

/* 正文标题（B方案：从 Hero 挪过来；两行换行，逗号处断行，字号加大） */
.h-lead-title{font-size:clamp(28px,3.2vw,46px);font-weight:700;color:var(--ink);line-height:1.25;letter-spacing:-.015em;max-width:22em}
.hero-dots{position:absolute;bottom:36px;right:36px;z-index:5;display:flex;gap:10px}
.hero-dot{width:34px;height:4px;border-radius:2px;background:rgba(255,255,255,.32);border:none;cursor:pointer;padding:0;transition:.3s}
.hero-dot.on{background:var(--flame)}

/* ---- 八大场景色块（无图，纯框） ---- */
.scene-box{position:relative;display:flex;flex-direction:column;align-items:flex-start;text-align:left;
  padding:26px 24px 22px;min-height:190px;border:1px solid var(--line);border-radius:16px;background:#fff;
  cursor:pointer;transition:.3s;color:var(--ink);font-family:inherit}
.scene-box:hover{border-color:var(--flame);transform:translateY(-4px);box-shadow:0 16px 34px rgba(26,27,31,.09)}
.scene-box-no{font-family:var(--font-en);font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--flame)}
.scene-box-type{margin-top:16px;font-size:11px;letter-spacing:.06em;color:var(--gray-2)}
.scene-box-name{margin-top:6px;font-size:22px;font-weight:700}
.scene-box-tag{margin-top:10px;font-size:13px;line-height:1.6;color:var(--gray)}
.scene-box-arrow{margin-top:auto;padding-top:16px;font-size:13px;font-weight:600;color:var(--flame);opacity:.55;transition:.3s}
.scene-box:hover .scene-box-arrow{opacity:1}
.scene-box-keys{margin-top:14px}
.scene-box-keys li{font-size:11.5px}

/* ---- 全栈流程：两行 + 每步一句解释 ---- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;margin-top:28px}
.flow-step{padding:24px 20px;background:#fff;border-right:1px solid var(--line);border-bottom:1px solid var(--line);position:relative}
.flow-step:nth-child(4n){border-right:none}
.flow-step:nth-child(n+5){border-bottom:none}
.flow-step .n{font-family:var(--font-en);font-size:12px;font-weight:700;color:var(--flame)}
.flow-step .t{font-size:16px;font-weight:700;margin-top:8px}
.flow-step .d{font-size:12.5px;color:var(--gray-2);margin-top:6px;line-height:1.6}

/* 弹窗顶部大图 */
.scene-modal-hero{height:220px;margin:-44px -44px 24px;overflow:hidden;border-radius:24px 24px 0 0;background:var(--bg-soft-2)}
.scene-modal-hero img{width:100%;height:100%;object-fit:cover}

/* 紧凑图文卡（B方案：案例 / 引擎，省空间但有图） */
.case-mini{display:grid;grid-template-columns:150px 1fr;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-bottom:14px;transition:.3s}
.case-mini:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(26,27,31,.08)}
.case-mini img{width:100%;height:100%;min-height:150px;object-fit:cover}
.case-mini>div{padding:20px 22px}
.case-mini h4{font-size:17px;margin-top:8px;line-height:1.4}
.case-mini p{margin-top:8px;font-size:13px;line-height:1.7;color:var(--gray)}
.eng-card-img{width:100%;height:190px;object-fit:cover}
.eng-card-body{padding:28px}

@media (max-width:960px){
  .case-mini{grid-template-columns:110px 1fr}
  .case-mini img{min-height:110px}
}

/* ---- 单页模式（B方案）：锚点偏移 + 场景展开面板 ---- */
section[id]{scroll-margin-top:88px}
#scenePanel{display:none;margin-top:24px}
#scenePanel.open{display:block;animation:panelIn .35s ease}
@keyframes panelIn{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}
.sp-grid{display:grid;grid-template-columns:1fr 1.1fr;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}
.sp-img{position:relative;min-height:340px;background:var(--bg-soft-2)}
.sp-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.sp-body{padding:36px 40px;display:flex;flex-direction:column;justify-content:center}
.sp-body h3{font-size:30px;margin-top:12px}
.sp-tag{font-size:16px;color:var(--flame);font-weight:600;margin-top:6px}
.sp-exp{margin-top:16px;font-size:15px;line-height:1.85;color:var(--gray)}
.sp-dual{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
.sp-dual>div{background:var(--bg-soft);border-radius:12px;padding:14px 16px}
.sp-dual h4{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--blue);text-transform:uppercase}
.sp-dual p{margin-top:6px;font-size:13px;line-height:1.65;color:var(--gray)}
.sp-loop{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px}
.sp-loop span{font-size:11.5px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);color:var(--gray)}
.sp-body .btn{margin-top:22px;align-self:flex-start}
.scene-card.active{box-shadow:0 0 0 3px var(--flame)}

/* 简化版紧凑组件 */
.mini-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mini{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.mini .kicker{margin-bottom:10px}
.mini h4{font-size:17px}
.mini p{margin-top:8px;font-size:13.5px;line-height:1.75;color:var(--gray)}
.dl-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;transition:.3s}
.dl-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(26,27,31,.08)}
.dl-card h3{font-size:22px;margin-top:12px}
.dl-card p{margin-top:12px;font-size:14px;line-height:1.8;color:var(--gray);flex:1}
.dl-card .btn{margin-top:20px;align-self:flex-start}
.contact-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.contact-row>div{padding:28px;border-right:1px solid var(--line)}
.contact-row>div:last-child{border-right:none}
.contact-row .k{font-family:var(--font-en);font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--gray-2)}
.contact-row .v{font-size:16px;font-weight:600;margin-top:8px;line-height:1.6}

@media (max-width:960px){
  .sp-grid{grid-template-columns:1fr}
  .sp-img{min-height:240px}
  .sp-body{padding:28px 24px}
  .sp-dual{grid-template-columns:1fr}
  .mini-grid{grid-template-columns:1fr 1fr}
  .scene-cards{grid-template-columns:1fr 1fr}
  .scene-modal-card{padding:32px 24px}
  .scene-modal-dual{grid-template-columns:1fr}
  .scene-modal-hero{margin:-32px -24px 20px;height:170px}
  .flow{grid-template-columns:1fr 1fr}
  .flow-step:nth-child(2n){border-right:none}
  .flow-step:nth-child(n+7){border-bottom:none}
  .hero-content{left:24px;right:24px;bottom:104px}
  .hero-dots{right:24px;bottom:24px}
  .fullhero-cta{left:24px;bottom:24px}
  .contact-row{grid-template-columns:1fr}
  .contact-row>div{border-right:none;border-bottom:1px solid var(--line)}
}

/* ---- 全栈解决方案（模块化 4 列 + 反馈与迭代） ---- */
.sol-eyebrow{margin-top:18px;font-size:15px;font-weight:600;color:var(--flame);letter-spacing:.04em}
.sol-lead{margin-top:6px;font-size:17px;color:var(--gray);line-height:1.85;max-width:46em}
.sol-mission{margin-top:22px;padding:16px 22px;border-left:3px solid var(--flame);background:var(--bg-soft);color:var(--gray);font-size:14.5px;line-height:1.85;border-radius:0 10px 10px 0;font-style:italic}
.sol-feedback{margin:36px 0 12px;display:flex;align-items:center;justify-content:center;color:var(--flame);font-size:13px;font-weight:700;letter-spacing:.16em}
.sol-feedback::before,.sol-feedback::after{content:"";flex:1;height:1px;background:var(--line);max-width:160px;margin:0 16px}
.sol-feedback span{white-space:nowrap;padding:0 4px}
.sol-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:18px}
.sol-card{position:relative;border:1px solid var(--line);border-radius:18px;padding:28px 22px 22px;background:#fff;display:flex;flex-direction:column;transition:.3s}
.sol-card:hover{border-color:var(--flame);box-shadow:0 14px 32px rgba(26,27,31,.08);transform:translateY(-4px)}
.sol-card .kicker{font-family:var(--font-en);font-size:11px;font-weight:700;color:var(--flame);letter-spacing:.18em;text-transform:uppercase}
.sol-q{margin-top:14px;font-size:16px;font-weight:700;color:var(--ink);line-height:1.55}
.sol-list{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-direction:column;gap:8px}
.sol-list li{font-size:13.5px;color:var(--gray-2);line-height:1.65;padding-left:14px;position:relative}
.sol-list li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--flame)}
.sol-tag{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--blue);font-weight:600;letter-spacing:.02em}
.sol-card::after{content:"→";position:absolute;right:-22px;top:50%;transform:translateY(-50%);font-size:24px;color:var(--flame);font-weight:700;z-index:2;background:var(--bg);width:24px;text-align:center;line-height:1}
.sol-card:last-child::after{display:none}
@media (max-width:900px){
  .sol-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .sol-card::after{display:none}
}
@media (max-width:560px){
  .sol-grid{grid-template-columns:1fr}
}

/* ---- 智能引擎（双循环图） ---- */
.eng-sublist{margin-top:18px;display:flex;flex-direction:column;gap:4px;max-width:46em}
.eng-sublist p{color:#B9BDC7;font-size:15.5px;line-height:1.9;margin:0}
.eng-grids{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:56px}
.loop-block{background:#fff;border:1px solid var(--line);border-radius:22px;padding:32px 28px;display:flex;flex-direction:column;transition:.3s}
.loop-block:hover{border-color:var(--flame);box-shadow:0 14px 32px rgba(26,27,31,.07)}
.loop-head{display:flex;flex-direction:column;gap:6px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.loop-head .kicker{color:var(--flame);font-family:var(--font-en);font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}
.loop-head h3{color:var(--ink);font-size:20px;font-weight:700;line-height:1.4;margin:0}
.loop-grid{margin-top:24px;display:grid;grid-template-columns:1fr 1fr;gap:14px;flex:1}
.loop-cell{position:relative;background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:20px 18px 18px;display:flex;flex-direction:column;gap:8px;transition:.3s}
.loop-cell:hover{background:#fff;border-color:var(--flame)}
.loop-cell .n{position:absolute;top:14px;right:16px;font-family:var(--font-en);font-size:11px;color:var(--flame);font-weight:700;letter-spacing:.08em}
.loop-cell .t{color:var(--ink);font-size:14.5px;font-weight:600;line-height:1.4;padding-right:32px;margin:0}
.loop-cell .d{color:var(--gray-2);font-size:12.5px;line-height:1.55;margin:0}
.loop-tag{margin-top:24px;font-size:12.5px;color:var(--flame);letter-spacing:.04em;text-align:center;padding-top:18px;border-top:1px solid var(--line);font-weight:600}
@media (max-width:900px){
  .eng-grids{grid-template-columns:1fr;gap:24px}
  .loop-grid{grid-template-columns:1fr 1fr}
}

/* ---- 未来伙伴计划（聚焦酒店场景方） ---- */
.partner-main{background:#fff;border:1px solid var(--line);border-radius:22px;padding:56px 48px;margin-top:36px}
.pm-hero{text-align:center;padding-bottom:32px;border-bottom:1px solid var(--line)}
.pm-badge{display:inline-block;font-family:var(--font-en);font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--flame);border:1px solid var(--flame);padding:6px 18px;border-radius:999px;margin-bottom:20px}
.pm-hero h3{font-size:clamp(26px,3vw,40px);font-weight:700;color:var(--ink);line-height:1.25;margin:0}
.pm-sub{margin-top:14px;font-size:17px;color:var(--gray);line-height:1.75;margin-bottom:0}
.pm-pain{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
.pm-pain-item{border:1px solid var(--line);border-radius:14px;padding:24px 22px;background:var(--bg-soft)}
.pm-pain-item h4{font-size:15px;font-weight:700;color:var(--ink);margin:0 0 8px}
.pm-pain-item p{font-size:13.5px;color:var(--gray-2);line-height:1.7;margin:0}
.pm-block{margin-top:44px}
.pm-block-head .kicker{font-family:var(--font-en);font-size:11px;font-weight:700;color:var(--flame);letter-spacing:.18em;text-transform:uppercase}
.pm-block-head h4{font-size:clamp(20px,2.2vw,28px);font-weight:700;color:var(--ink);margin-top:8px;margin-bottom:0}
.pm-grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.pm-scene{border:1px solid var(--line);border-radius:14px;padding:22px;background:#fff;transition:.3s}
.pm-scene:hover{border-color:var(--flame);transform:translateY(-3px);box-shadow:0 12px 28px rgba(26,27,31,.07)}
.pm-scene h5{font-size:15px;font-weight:700;color:var(--ink);margin:0 0 8px}
.pm-scene p{font-size:13px;color:var(--gray-2);line-height:1.7;margin:0}
.pm-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}
.pm-mkt{border:1px solid var(--line);border-radius:12px;padding:18px 16px;background:#fff;text-align:center;font-size:14px;font-weight:600;color:var(--ink)}
.pm-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.pm-fde{border:1px solid var(--line);border-radius:14px;padding:22px;background:var(--bg-soft)}
.pm-fde h5{font-size:15px;font-weight:700;color:var(--ink);margin:0 0 8px}
.pm-fde p{font-size:13px;color:var(--gray-2);line-height:1.7;margin:0}
.pm-list{list-style:none;padding:0;margin:0}
.pm-list li{font-size:13.5px;color:var(--gray-2);line-height:1.7;padding:7px 0 7px 18px;position:relative;border-bottom:1px dashed var(--line)}
.pm-list li:last-child{border-bottom:none;padding-bottom:0}
.pm-list li:first-child{padding-top:0}
.pm-list li::before{content:"·";position:absolute;left:2px;top:7px;color:var(--flame);font-size:20px;line-height:1}
.pm-list li:first-child::before{top:0}
.pm-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:24px}
.pm-step{border:1px solid var(--line);border-radius:12px;padding:18px 14px;background:#fff;text-align:center}
.pm-step span{display:block;font-family:var(--font-en);font-size:13px;font-weight:700;color:var(--flame);margin-bottom:8px;letter-spacing:.04em}
.pm-step p{font-size:13.5px;color:var(--ink);font-weight:600;margin:0}
.pm-cta{margin-top:44px;text-align:center;padding-top:36px;border-top:1px solid var(--line)}
/* 表单字段（下载弹窗 + 合作意向弹窗共用，2026-09-06 补） */
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field input[type="text"],.field input[type="tel"],.field select,.field textarea{width:100%;box-sizing:border-box;border:1px solid var(--line);border-radius:10px;padding:11px 14px;font-size:14px;font-family:inherit;color:var(--ink);background:#fff;transition:border-color .2s;outline:none;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--flame)}
.f-checks{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.f-check{display:flex;align-items:flex-start;gap:8px;border:1px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer;font-size:13px;color:var(--gray);line-height:1.5;transition:.2s}
.f-check:hover{border-color:var(--flame)}
.f-check input{margin-top:3px;accent-color:var(--flame)}
.f-check:has(input:checked){border-color:var(--flame);background:#FFF4F0;color:var(--ink)}
.partner-soon{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:36px}
.soon-card{border:1px dashed var(--line);border-radius:18px;padding:32px 30px;background:var(--bg-soft-2);opacity:.75;position:relative}
.soon-badge{display:inline-block;font-family:var(--font-en);font-size:10px;font-weight:700;letter-spacing:.18em;color:var(--gray-2);border:1px solid var(--line);padding:5px 12px;border-radius:999px;margin-bottom:16px;background:#fff}
.soon-card h4{font-size:18px;font-weight:700;color:var(--gray);margin:0 0 10px}
.soon-card p{font-size:14px;color:var(--gray-2);line-height:1.7;margin:0}
@media (max-width:900px){
  .partner-main{padding:36px 24px}
  .f-checks{grid-template-columns:1fr}
  .pm-pain,.pm-grid-6,.pm-grid-3{grid-template-columns:1fr}
  .pm-grid-4{grid-template-columns:repeat(2,1fr)}
  .pm-steps{grid-template-columns:repeat(3,1fr)}
  .partner-soon{grid-template-columns:1fr}
}
@media (max-width:560px){
  .pm-grid-4{grid-template-columns:1fr}
  .pm-steps{grid-template-columns:repeat(2,1fr)}
}

/* ---- 折叠面板（智能双引擎 / 全栈一体化） ---- */
.fold{border:1px solid var(--line);border-radius:18px;background:#fff;margin-bottom:18px;overflow:hidden}
.fold-head{display:flex;align-items:center;justify-content:space-between;cursor:pointer;padding:28px 32px;list-style:none;user-select:none;transition:background .2s}
.fold-head:hover{background:var(--bg-soft)}
.fold-head::-webkit-details-marker{display:none}
.fold-title{color:var(--ink);font-size:clamp(20px,2.2vw,28px);font-weight:700;letter-spacing:-.01em}
.fold-icon{font-size:26px;color:var(--flame);font-weight:300;line-height:1;transition:transform .3s;flex-shrink:0;margin-left:16px}
details[open] .fold-icon{transform:rotate(45deg)}
.fold-body{padding:4px 32px 32px;border-top:1px solid var(--line)}
.fold-body .eng-grids{margin-top:28px}
.fold-body .sol-grid{margin-top:18px}
@media (max-width:560px){
  .fold-head{padding:22px 22px}
  .fold-body{padding:4px 22px 22px}
}

/* ---- 智能双引擎 v2（上下两行 · 每行左图右文 · 展开圆形循环图） ---- */
.eng-grids-new{display:flex;flex-direction:column;gap:24px;margin-top:28px}
.eng-row{display:grid;grid-template-columns:1fr 1fr;gap:28px;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;transition:.3s}
.eng-row:hover{border-color:var(--flame);box-shadow:0 14px 32px rgba(26,27,31,.07)}
.eng-img{position:relative;min-height:260px;overflow:hidden;background:var(--bg-soft-2)}
.eng-img img{width:100%;height:100%;object-fit:cover;display:block}
.eng-content{padding:34px 32px;display:flex;flex-direction:column;gap:12px;justify-content:center}
.eng-content .kicker{color:var(--flame);font-family:var(--font-en);font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}
.eng-content h3{color:var(--ink);font-size:clamp(20px,2vw,26px);font-weight:700;line-height:1.35;margin:0}
.eng-desc{color:var(--gray);font-size:15px;line-height:1.8;margin:0}
.eng-toggle{align-self:flex-start;margin-top:6px;background:transparent;border:1px solid var(--flame);color:var(--flame);font-family:inherit;font-size:14px;font-weight:600;padding:10px 22px;border-radius:999px;cursor:pointer;transition:.2s}
.eng-toggle:hover{background:var(--flame);color:#fff}
.eng-detail{grid-column:1/-1;padding:32px 28px 28px;border-top:1px solid var(--line);background:var(--bg-soft)}
.loop-circle{display:flex;justify-content:center;align-items:center;margin-bottom:24px}
.loop-circle svg{width:100%;max-width:380px;height:auto;display:block}
.loop-modules{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.loop-mod{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 18px 18px;display:flex;flex-direction:column;gap:8px;transition:.3s}
.loop-mod:hover{border-color:var(--flame);box-shadow:0 12px 28px rgba(26,27,31,.07)}
.loop-mod .n{font-family:var(--font-en);font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--flame)}
.loop-mod h5{color:var(--ink);font-size:14.5px;font-weight:600;line-height:1.45;margin:0;padding-right:8px}
.loop-mod p{color:var(--gray-2);font-size:12.5px;line-height:1.6;margin:0}
.loop-tag{margin:22px 0 0;text-align:center;font-size:12.5px;color:var(--flame);letter-spacing:.04em;font-weight:600;padding-top:18px;border-top:1px solid var(--line)}
@media (max-width:860px){
  .eng-row{grid-template-columns:1fr}
  .eng-img{min-height:200px}
  .loop-modules{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:560px){
  .eng-content{padding:24px 22px}
  .loop-modules{grid-template-columns:1fr}
}

/* ---- 场景方主卡 v2（概览图+总述+展开合作方案） ---- */
.pm-overview{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch;margin-top:36px;padding-top:36px;border-top:1px solid var(--line)}
.pm-overview-img{position:relative;overflow:hidden;border-radius:18px;background:var(--bg-soft-2);min-height:260px}
.pm-overview-img img{width:100%;height:100%;object-fit:cover;display:block}
.pm-overview-text{padding:14px 8px 14px 0;display:flex;flex-direction:column;gap:18px;justify-content:center}
.pm-overview-text p{color:var(--gray);font-size:16px;line-height:1.85;margin:0}
.pm-toggle{align-self:flex-start;background:transparent;border:1px solid var(--flame);color:var(--flame);font-family:inherit;font-size:15px;font-weight:600;padding:12px 26px;border-radius:999px;cursor:pointer;transition:.2s}
.pm-toggle:hover{background:var(--flame);color:#fff}
.pm-scheme{margin-top:36px;padding-top:36px;border-top:1px solid var(--line)}
.fm-note{margin:0 0 16px;font-size:13px;color:var(--gray-2);line-height:1.7}
.fm-table{width:100%;border-collapse:collapse;margin-top:12px;font-size:13.5px;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.fm-table th,.fm-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.fm-table thead th{background:var(--bg-soft);color:var(--ink);font-weight:700;font-size:12.5px;letter-spacing:.02em}
.fm-table tbody td:first-child{font-weight:700;color:var(--ink);background:var(--bg-soft);width:120px}
.fm-table tbody tr:last-child td{border-bottom:none}
@media (max-width:860px){
  .pm-overview{grid-template-columns:1fr}
  .pm-overview-img{min-height:200px}
  .fm-table thead{display:none}
  .fm-table tbody td{display:block;width:auto;padding:8px 14px;border-bottom:none}
  .fm-table tbody td:first-child{background:var(--flame);color:#fff;width:auto;padding:8px 14px;border-radius:8px 8px 0 0;font-size:12px}
  .fm-table tbody tr{display:block;margin-bottom:14px;border:1px solid var(--line);border-radius:14px;overflow:hidden}
}

/* ==========================================================================
   八大场景缩略图卡（结构化升级版 · 2026-09-05）
   缩略图 + meta + 名称 + tag + 硬件部署 + 体验亮点预览 + arrow
   ========================================================================== */
.scene-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.sc-card{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  overflow:hidden;text-align:left;cursor:pointer;padding:0;width:100%;
  transition:.3s;font-family:inherit;color:inherit;
}
.sc-card:hover{border-color:var(--flame);transform:translateY(-4px);box-shadow:0 16px 34px rgba(26,27,31,.09)}
.sc-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft-2)}
.sc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.sc-card:hover .sc-thumb img{transform:scale(1.05)}
.sc-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.sc-meta{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:8px}
.sc-no{font-family:var(--font-en);font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--flame);flex-shrink:0}
.sc-type{font-size:11px;letter-spacing:.02em;color:var(--gray-2);text-align:right;line-height:1.45;flex:1;min-width:0}
.sc-name{font-size:20px;font-weight:700;color:var(--ink);margin:0;line-height:1.3;letter-spacing:-.01em}
.sc-tag{margin-top:8px;font-size:13px;line-height:1.6;color:var(--gray)}
.sc-hw{margin-top:14px;padding:11px 13px;background:var(--bg-soft);border-radius:10px;border:1px dashed var(--line)}
.sc-hw .sc-hw-kicker{font-family:var(--font-en);font-size:10px;font-weight:700;letter-spacing:.18em;color:var(--flame);text-transform:uppercase;display:block;margin-bottom:5px}
.sc-hw p{margin:0;font-size:11.5px;color:var(--gray-2);line-height:1.55}
.sc-highlights{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-wrap:wrap;gap:6px}
.sc-highlights li{font-size:11.5px;color:var(--gray);padding:5px 10px;background:#fff;border:1px solid var(--line);border-radius:999px;font-weight:500;line-height:1.3}
.sc-arrow{margin-top:auto;padding-top:16px;font-size:13px;font-weight:600;color:var(--flame);opacity:.55;transition:.3s}
.sc-card:hover .sc-arrow{opacity:1}
@media (max-width:1024px){
  .scene-cards{grid-template-columns:repeat(2,1fr);gap:20px}
}
@media (max-width:560px){
  .scene-cards{grid-template-columns:1fr;gap:16px}
  .sc-name{font-size:18px}
  .sc-body{padding:18px 18px 20px}
}

/* ==========================================================================
   场景弹窗结构化升级 · 硬件部署栏 + 三段价值回报（2026-09-05）
   取代旧版 .scene-modal-sec / .scene-modal-dual 文字单段呈现
   ========================================================================== */
.scene-modal-hw{
  margin-top:24px;padding:18px 22px;
  background:linear-gradient(135deg,var(--bg-soft) 0%,#fff 100%);
  border-left:3px solid var(--flame);
  border-radius:0 12px 12px 0;
}
.scene-modal-hw .kicker-sm{
  font-family:var(--font-en);font-size:11px;font-weight:700;
  letter-spacing:.18em;color:var(--flame);text-transform:uppercase;
  display:block;margin-bottom:6px;
}
.scene-modal-hw p{margin:0;font-size:14.5px;line-height:1.85;color:var(--ink)}

.scene-modal-block{margin-top:28px}
.scene-modal-block h4{
  font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--ink);margin:0 0 14px;
  padding-bottom:10px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:8px;
}
.scene-modal-block h4::before{
  content:"▍";color:var(--flame);font-size:16px;line-height:1;font-weight:400
}

.sc-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.sc-list li{
  display:flex;flex-direction:column;gap:6px;
  padding:14px 16px;background:#fff;
  border:1px solid var(--line);border-radius:12px;
  transition:.3s;
}
.sc-list li:hover{border-color:var(--flame);transform:translateX(2px)}
.sc-list li b{font-size:14.5px;font-weight:700;color:var(--ink);line-height:1.5;display:flex;align-items:center;gap:8px}
.sc-list li b::before{content:"·";color:var(--flame);font-size:20px;line-height:1}
.sc-list li span{font-size:13.5px;color:var(--gray-2);line-height:1.7;padding-left:14px}
@media (max-width:560px){
  .scene-modal-hw{padding:14px 16px}
  .scene-modal-hw p{font-size:13.5px}
  .scene-modal-block{margin-top:22px}
  .sc-list li{padding:12px 14px}
}