/* ============================================================
   微广融媒 · 官网共享样式  assets/site.css
   设计语言：深色导航/页头 + 浅色内容区 + 红色主色 (#e60012)
   ============================================================ */
:root{
  --ink:#0d0f14; --ink-2:#14171f; --ink-3:#1c212c;
  --red:#e60012; --red-2:#ff3a4b; --red-soft:rgba(230,0,18,.08);
  --paper:#ffffff; --paper-2:#f5f7fb; --paper-3:#eceff6;
  --text:#1d2129; --text-2:#4a5160; --muted:#77808f;
  --line:#e6e9f0;
  --radius:18px; --radius-md:14px; --radius-lg:20px; --radius-sm:12px;
  --shadow:0 14px 44px rgba(15,20,35,.09);
  --shadow-sm:0 6px 20px rgba(15,20,35,.06);
  --shadow-red:0 8px 30px rgba(230,0,18,.25);
  --max:1180px;
  --font:'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  --nav-h:68px;
  /* 兼容旧脚本内联样式的别名 */
  --color-bg:#0d0d0f; --color-surface:#14171f; --color-surface-2:#1c212c;
  --color-primary:#e60012; --color-primary-hover:#c4000f; --color-accent:#ff3a4b;
  --color-text:#f4f4f5; --color-text-muted:#9aa3b5; --color-border:rgba(230,0,18,.25);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--paper);color:var(--text);line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
button{font-family:inherit}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
::selection{background:var(--red);color:#fff}

/* ============ 顶部导航 ============ */
.nav{position:sticky;top:0;z-index:120;background:rgba(12,14,19,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(230,0,18,.18)}
.nav-inner{max-width:var(--max);margin:0 auto;padding:0 24px;height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center}
.logo-img{height:44px;width:auto;display:block;background:#fff;border-radius:8px;padding:5px 10px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{color:#b9c0ce;font-size:14.5px;font-weight:500;padding:9px 13px;border-radius:8px;transition:color .2s,background .2s;white-space:nowrap}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-links a.active{color:#fff;font-weight:700;background:linear-gradient(135deg,#ff3a4b,#e60012);box-shadow:0 6px 18px rgba(230,0,18,.28)}
.nav-links a.nav-learn{color:#fff}
.nav-links a.btn{display:inline-block}
.nav-links a.btn-nav-cta{border:1px solid rgba(230,0,18,.45);color:#fff;background:transparent;margin-left:6px;padding:9px 16px;font-weight:700;font-size:14px}
.nav-links a.btn-nav-cta:hover{background:linear-gradient(135deg,#ff3a4b,#e60012);border-color:transparent;color:#fff}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:40px;height:40px;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;margin:5px 0;border-radius:2px;transition:.28s}
.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)}

/* ============ 内页页头 ============ */
.page-hero{position:relative;overflow:hidden;background:radial-gradient(820px 400px at 80% -10%,rgba(230,0,18,.30),transparent 62%),linear-gradient(160deg,#080a10,#11141c 60%,#161b26);color:#fff;padding:64px 0 54px}
.page-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse at 50% 0%,#000 25%,transparent 80%);pointer-events:none}
.page-hero .container{position:relative;z-index:2}
.page-hero .kicker{display:inline-block;font-size:12px;font-weight:800;letter-spacing:2.5px;color:#ff6b78;text-transform:uppercase;padding:5px 12px;background:rgba(230,0,18,.16);border-radius:6px}
.page-hero h1{font-size:clamp(27px,3.6vw,42px);line-height:1.3;font-weight:900;letter-spacing:-.4px;margin:18px 0 14px}
.page-hero h1 em{font-style:normal;background:linear-gradient(96deg,#ff5b68,#ff3a4b 40%,#e60012);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.page-hero p{max-width:820px;font-size:15.5px;line-height:1.95;color:#b9c1d1}
.page-hero .breadcrumb{margin-top:22px;font-size:13px;color:#8d97aa}
.page-hero .breadcrumb a:hover{color:#ff6b78}
.page-hero .breadcrumb .sep{margin:0 10px;opacity:.5}

/* ============ 通用 Section ============ */
.section{padding:74px 0}
.section-alt{background:var(--paper-2)}
.section-head{max-width:780px;margin:0 auto 42px;text-align:center}
.kicker-chip{display:inline-block;font-size:12px;font-weight:800;letter-spacing:2.5px;color:var(--red);text-transform:uppercase;padding:5px 12px;background:var(--red-soft);border-radius:6px}
.section-head h2{font-size:clamp(22px,2.9vw,32px);line-height:1.35;font-weight:900;letter-spacing:-.3px;margin:14px 0 10px}
.section-head h2 em{font-style:normal;color:var(--red)}
.section-head p{color:var(--text-2);font-size:15px;line-height:1.9}
.red-line{width:52px;height:3px;border-radius:2px;background:linear-gradient(90deg,#ff3a4b,#e60012);margin:18px auto 0}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:10px;font-size:15px;font-weight:800;cursor:pointer;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s}
.btn-primary{background:linear-gradient(135deg,#ff3a4b,#e60012);color:#fff;box-shadow:var(--shadow-red)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(230,0,18,.4)}
.btn-ghost{background:transparent;color:var(--text);border:1px solid #d6dae3}
.btn-ghost:hover{border-color:var(--red);color:var(--red);transform:translateY(-2px)}
.section.dark-cta .btn-ghost{color:#fff;border-color:rgba(255,255,255,.25)}
.section.dark-cta .btn-ghost:hover{border-color:#ff6b78;color:#ff6b78}

/* ============ 数据条 ============ */
.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);padding:28px 18px;text-align:center;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.stat-card .num{font-size:clamp(26px,3vw,36px);font-weight:900;line-height:1.2;background:linear-gradient(120deg,#171a21,#171a21) text;-webkit-text-fill-color:#171a21}
.stat-card .num i{font-style:normal;color:var(--red)}
.stat-card .label{font-size:13.5px;color:var(--muted);margin-top:8px}

/* ============ 服务卡片 ============ */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.svc-item{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);padding:26px 22px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s}
a.svc-item{display:block}
.svc-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(230,0,18,.28)}
.svc-item .d,.svc-item .sic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(140deg,#fff1f2,#ffe3e6);color:var(--red);border:1px solid #ffd6da;margin-bottom:14px;font-size:22px}
.svc-item h3{font-size:16.5px;font-weight:900;margin-bottom:7px;color:#171a21}
.svc-item p{font-size:13.5px;color:var(--text-2);line-height:1.75}

/* 服务大卡（services 页） */
.svc{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.svc-card{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .25s,box-shadow .25s}
.svc-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:linear-gradient(90deg,#ff3a4b,#e60012)}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.svc-card .icon{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;background:var(--red-soft);border:1px solid rgba(230,0,18,.22);color:var(--red);font-size:22px;margin-bottom:14px}
.svc-card h3{font-size:18px;font-weight:900;color:#171a21}
.svc-card .desc{font-size:14px;color:var(--text-2);line-height:1.8;margin:8px 0 14px}
.svc-card .points li{position:relative;padding-left:20px;font-size:13.5px;color:var(--text-2);line-height:1.9}
.svc-card .points li::before{content:"";position:absolute;left:2px;top:10px;width:6px;height:6px;border-radius:50%;background:var(--red-2)}

/* ============ 首页作品预览卡 ============ */
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.work-card{position:relative;border-radius:var(--radius-md);overflow:hidden;background:linear-gradient(150deg,#161b26,#1e2432);border:1px solid rgba(255,255,255,.08);min-height:190px;display:flex;flex-direction:column;justify-content:flex-end;transition:transform .25s,box-shadow .25s}
.work-card::after{content:"";position:absolute;right:-36px;top:-36px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(230,0,18,.25),transparent 70%)}
.work-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.work-card .thumb{font-size:40px;position:absolute;top:24px;left:22px}
.work-card .info{position:relative;z-index:2;padding:20px 22px;background:linear-gradient(to top,rgba(8,10,15,.82),transparent);margin-top:60px}
.work-card .info h3{font-size:17px;font-weight:900;color:#fff}
.work-card .info p{font-size:12.5px;color:#a7b0c2;margin-top:4px}
.work-item{position:relative;border-radius:var(--radius-md);overflow:hidden;aspect-ratio:4/3;cursor:pointer;background:var(--color-surface-2);border:1px solid rgba(255,255,255,.06)}
.work-item.hide{display:none}
.work-item.fade-in{animation:wiFade .4s ease}
@keyframes wiFade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.work-item .ph{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:44px;gap:10px;background:linear-gradient(145deg,#1c1c21,#121215)}
.work-item .ph .cat-mini{font-size:11.5px;font-weight:600;letter-spacing:2px;color:#b9c0cd;text-transform:uppercase}
.work-item .overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(165,0,12,.92),transparent 60%);opacity:0;transition:opacity .3s;display:flex;flex-direction:column;justify-content:flex-end;padding:20px}
.work-item:hover .overlay{opacity:1}
.work-item:hover .ph .cat-mini{color:#dfe3ea}
.work-item .overlay .cat{font-size:11px;letter-spacing:2px;color:#ffb3bb;text-transform:uppercase}
.work-item .overlay h4{font-size:18px;font-weight:700;margin-top:6px;color:#fff}
.work-item .overlay .tag{display:inline-block;margin-top:12px;font-size:12.5px;font-weight:600;color:#fff;background:rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.55);padding:4px 14px;border-radius:20px;width:fit-content}
.filters{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:40px}
.filter{display:inline-block;padding:9px 20px;border:1px solid #c3c9d4;border-radius:40px;font-size:13.5px;font-weight:700;color:#262c38;cursor:pointer;background:#fff;box-shadow:0 2px 8px rgba(15,20,35,.06);transition:all .2s}
.filter:hover{border-color:var(--red);color:var(--red)}
.filter.on{background:linear-gradient(135deg,#ff3a4b,#e60012);color:#fff;border-color:transparent}
.loading{text-align:center;padding:60px;color:var(--muted)}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.flow-item{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);padding:26px 18px;text-align:center;box-shadow:var(--shadow-sm)}
.flow-item .n{width:40px;height:40px;margin:0 auto 12px;border-radius:50%;background:linear-gradient(135deg,#ff3a4b,#e60012);color:#fff;display:grid;place-items:center;font-weight:900;font-size:16px;box-shadow:var(--shadow-red)}
.flow-item h4{font-size:15.5px;font-weight:900;color:#171a21}
.flow-item p{font-size:12.5px;color:var(--muted);margin-top:5px}
.flow-item:not(:last-child)::after{content:"";position:absolute;right:-14px;top:50%;width:12px;height:12px;border-top:2px solid #ffb3ba;border-right:2px solid #ffb3ba;transform:translateY(-50%) rotate(45deg)}
.process{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;text-align:center}
.process-line{position:absolute;top:26px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,transparent,#ffc9ce 12%,#ffc9ce 88%,transparent)}
.process-step{position:relative}
.process-step .dot{width:52px;height:52px;margin:0 auto 12px;border-radius:50%;background:var(--paper);border:2px solid #ffc9ce;display:grid;place-items:center;font-size:20px}
.process-step .dot.filled{background:linear-gradient(135deg,#ff3a4b,#e60012);border-color:transparent;color:#fff}
.process-step h4{font-size:15.5px;font-weight:900;color:#171a21}
.process-step p{font-size:12.5px;color:var(--muted);margin-top:4px}

/* ============ 关于页 ============ */
.intro{display:grid;grid-template-columns:200px 1fr;gap:34px;align-items:start}
.intro .ph{width:100%;aspect-ratio:1;border-radius:var(--radius);background:radial-gradient(120% 120% at 20% 0%,rgba(230,0,18,.85),#7d0009 70%);display:grid;place-items:center;font-size:56px;box-shadow:var(--shadow-red)}
.intro h3{font-size:24px;font-weight:900;color:#171a21;margin-bottom:14px}
.intro h3 em{font-style:normal;color:var(--red)}
.intro p{font-size:14.5px;color:var(--text-2);line-height:1.95;margin-bottom:12px}
.quote{margin-top:16px;padding:18px 22px;background:linear-gradient(135deg,#fff4f5,#fff);border:1px solid #ffd6da;border-left:4px solid var(--red);border-radius:var(--radius-sm);font-size:14.5px;font-weight:700;color:#7c2129;line-height:2}
.qual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.qual-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.qual-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.qual-card .icon{width:46px;height:46px;border-radius:12px;background:var(--red-soft);color:var(--red);display:grid;place-items:center;font-size:20px;margin-bottom:14px}
.qual-card h3{font-size:16.5px;font-weight:900;color:#171a21}
.qual-card p{font-size:13.5px;color:var(--text-2);margin-top:7px;line-height:1.75}
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(#ff3a4b,#ffd6da 80%,transparent)}
.tl-item{position:relative;padding:0 0 30px 18px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-31px;top:8px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--red);box-shadow:0 0 0 4px var(--red-soft)}
.tl-item .year{display:inline-block;font-size:12.5px;font-weight:900;letter-spacing:1px;color:var(--red);background:var(--red-soft);padding:3px 11px;border-radius:6px}
.tl-item h4{font-size:17px;font-weight:900;color:#171a21;margin:9px 0 6px}
.tl-item p{font-size:14px;color:var(--text-2);line-height:1.85}
.org{text-align:center}
.org-box{display:inline-block;background:linear-gradient(135deg,#12161f,#1b2130);color:#fff;font-weight:900;font-size:16px;padding:14px 42px;border-radius:var(--radius-sm);box-shadow:var(--shadow)}
.org-line{width:2px;height:26px;background:#d6dae3;margin:0 auto}
.org-row{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin:0}
.org-child{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 12px;font-size:14.5px;font-weight:800;color:#171a21;box-shadow:var(--shadow-sm)}
.org-child small{display:block;font-size:11.5px;font-weight:500;color:var(--muted);margin-top:4px}
.culture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.culture-card{background:linear-gradient(165deg,#12161f,#1a202d);border:1px solid rgba(255,255,255,.09);border-radius:var(--radius);padding:30px 26px;color:#fff;transition:transform .25s,border-color .25s}
.culture-card:hover{transform:translateY(-4px);border-color:rgba(230,0,18,.5)}
.culture-card .icon{width:46px;height:46px;border-radius:12px;background:rgba(230,0,18,.16);border:1px solid rgba(255,58,75,.3);display:grid;place-items:center;font-size:20px;margin-bottom:14px}
.culture-card h3{font-size:16.5px;font-weight:900}
.culture-card p{font-size:13.5px;color:#98a2b5;margin-top:8px;line-height:1.8}

/* ============ 软件页 ============ */
.case-grid{display:grid;grid-template-columns:1fr;gap:22px;max-width:960px;margin:0 auto}
.case-card{display:grid;grid-template-columns:340px 1fr;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.case-card:hover{transform:translateY(-4px);box-shadow:0 20px 52px rgba(15,20,35,.13)}
.case-ph{position:relative;display:grid;place-items:center;font-size:64px;background:radial-gradient(130% 130% at 15% 0%,rgba(230,0,18,.9),#6d0008 75%);min-height:240px}
.case-ph .mini{position:absolute;top:14px;left:14px;font-size:11px;letter-spacing:1px;color:#fff;background:rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.3);padding:4px 10px;border-radius:20px}
.case-body{padding:30px 30px 26px}
.case-body .cat{font-size:12px;font-weight:800;letter-spacing:1px;color:var(--red);text-transform:uppercase}
.case-body h3{font-size:22px;font-weight:900;color:#171a21;margin:8px 0 10px}
.case-body>p{font-size:14px;color:var(--text-2);line-height:1.85}
.case-tags{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 20px}
.tag{font-size:12px;font-weight:700;color:#3d4553;background:var(--paper-2);border:1px solid var(--line);padding:5px 12px;border-radius:20px}
.case-actions{display:flex;gap:12px;flex-wrap:wrap}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feat{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.feat:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.feat .ic{width:42px;height:42px;border-radius:11px;background:var(--red-soft);color:var(--red);display:grid;place-items:center;font-size:19px;margin-bottom:12px}
.feat h4{font-size:15.5px;font-weight:900;color:#171a21}
.feat p{font-size:13px;color:var(--text-2);margin-top:6px;line-height:1.7}
.serve{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.serve-item{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.serve-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.serve-item .num{font-size:15px;font-weight:900;color:#f0d9db;letter-spacing:1px}
.serve-item h4{font-size:16.5px;font-weight:900;color:#171a21;margin:8px 0 7px}
.serve-item p{font-size:13.5px;color:var(--text-2);line-height:1.75}
.net-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.net-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);padding:28px 20px;text-align:center;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.net-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.net-card .city{font-size:30px;font-weight:900;color:var(--red)}
.net-card .desc{font-size:12.5px;color:var(--text-2);margin-top:8px;line-height:1.7}

/* ============ 新闻 ============ */
.news-list{max-width:900px;margin:0 auto}
.news-item{display:grid;grid-template-columns:86px 1fr;gap:20px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 22px;margin-bottom:14px;transition:transform .2s,box-shadow .2s,border-color .2s}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(230,0,18,.28)}
.news-date{text-align:center;background:var(--paper-2);border:1px solid var(--line);border-radius:10px;padding:10px 6px}
.news-date .d{font-size:24px;font-weight:900;color:var(--red);line-height:1.2}
.news-date .my{font-size:11.5px;color:var(--muted);margin-top:2px}
.news-cat{display:inline-block;font-size:11px;font-weight:800;letter-spacing:1px;color:var(--red);background:var(--red-soft);padding:2px 9px;border-radius:5px}
.news-title{font-size:16.5px;font-weight:800;color:#171a21;margin-top:7px;line-height:1.5}
.news-desc{font-size:13.5px;color:var(--text-2);margin-top:6px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pagination{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:34px}
.pagination a{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 10px;border-radius:9px;border:1px solid #d6dae3;font-size:14px;font-weight:700;color:var(--text-2);transition:.2s}
.pagination a:hover{border-color:var(--red);color:var(--red)}
.pagination a.sel{background:linear-gradient(135deg,#ff3a4b,#e60012);color:#fff;border-color:transparent}
.back-bar{padding:22px 0 0}
.back-bar a{font-size:14px;font-weight:700;color:var(--text-2)}
.back-bar a:hover{color:var(--red)}
.article{max-width:860px;margin:18px auto 60px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:40px 42px;box-shadow:var(--shadow-sm)}
.article .cat-badge{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:1px;color:var(--red);background:var(--red-soft);padding:4px 12px;border-radius:6px}
.article h1{font-size:clamp(21px,2.6vw,28px);font-weight:900;color:#171a21;line-height:1.45;margin:14px 0 10px}
.article .meta{font-size:13px;color:var(--muted);padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:22px}
.article .content{font-size:15px;color:var(--text-2);line-height:2}
.article .content p{margin-bottom:14px}
.article .content img{border-radius:var(--radius-sm);margin:10px 0}
.article .content h2,.article .content h3{color:#171a21;font-weight:900;margin:20px 0 10px}

/* ============ 作品弹窗播放器（works 页） ============ */
.lb{position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,.8);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:24px;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.lb.open{opacity:1;visibility:visible}
.lb-box{width:min(960px,94vw);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.7);transform:scale(.85);opacity:0;transition:transform .35s cubic-bezier(.2,.9,.3,1.2),opacity .3s}
.lb.open .lb-box{transform:scale(1);opacity:1}
.lb-head{display:flex;align-items:center;justify-content:space-between;padding:16px 22px;border-bottom:1px solid rgba(255,255,255,.08)}
.lb-head .lb-cat{font-size:12px;letter-spacing:2px;color:var(--red-2);text-transform:uppercase;font-weight:600}
.lb-head .lb-close{width:38px;height:38px;border:none;border-radius:50%;background:rgba(255,255,255,.08);color:#fff;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;line-height:1}
.lb-head .lb-close:hover{background:var(--red);transform:rotate(90deg)}
.lb-video{position:relative;aspect-ratio:16/9;background:#000;display:flex;align-items:center;justify-content:center;overflow:hidden}
.lb-video video{width:100%;height:100%;object-fit:contain}
.vc{position:absolute;left:0;right:0;bottom:0;z-index:6;padding:26px 16px 10px;background:linear-gradient(to top,rgba(0,0,0,.92),rgba(0,0,0,.55) 55%,transparent);color:#fff;font-size:12px;opacity:0;transform:translateY(6px);transition:opacity .25s,transform .25s}
.lb-video:hover .vc,.vc.show{opacity:1;transform:translateY(0)}
.vc-track{position:relative;height:16px;cursor:pointer;display:flex;align-items:center;touch-action:none}
.vc-buf{position:absolute;left:0;right:0;height:4px;border-radius:2px;background:rgba(255,255,255,.22)}
.vc-fill{position:absolute;left:0;width:0%;height:4px;border-radius:2px;background:linear-gradient(90deg,#ff3a4b,#e60012)}
.vc-dot{position:absolute;left:0;width:12px;height:12px;margin-left:-6px;border-radius:50%;background:#fff;box-shadow:0 0 0 4px rgba(230,0,18,.35);transition:transform .15s}
.vc-track:hover .vc-dot{transform:scale(1.25)}
.vc-tip{position:absolute;bottom:22px;transform:translateX(-50%);background:rgba(0,0,0,.85);border:1px solid rgba(255,255,255,.18);border-radius:5px;padding:2px 7px;font-size:11px;white-space:nowrap;display:none;pointer-events:none}
.vc-bar{display:flex;align-items:center;gap:12px;margin-top:2px}
.vc-btn{width:30px;height:30px;border:none;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s,transform .2s;padding:0;flex:0 0 auto}
.vc-btn:hover{background:var(--red);transform:scale(1.06)}
.vc-btn svg{width:15px;height:15px;fill:#fff}
.vc-time{font-variant-numeric:tabular-nums;letter-spacing:.5px;color:#fff;white-space:nowrap}
.vc-spacer{flex:1}
.vc-speed{border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.1);color:#fff;border-radius:6px;font-size:11px;padding:3px 7px;cursor:pointer}
.vc-speed:hover{background:rgba(255,255,255,.22)}
.vc-vol{width:64px;accent-color:#e60012;cursor:pointer}
.lb-video video::-internal-media-controls-download-button{display:none}
.lb-video video::-webkit-media-controls-enclosure{overflow:hidden}
.lb-video video::-webkit-media-controls-panel{width:calc(100% + 30px)}
.lb-play{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;cursor:pointer;background:radial-gradient(ellipse at center,rgba(230,0,18,.18),transparent 65%);transition:background .3s}
.lb-play:hover{background:radial-gradient(ellipse at center,rgba(230,0,18,.32),transparent 65%)}
.lb-play .pb{width:86px;height:86px;border-radius:50%;background:linear-gradient(135deg,#ff3a4b,#e60012);display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 12px rgba(230,0,18,.25),var(--shadow-red);transition:transform .3s;animation:pulse 2s infinite}
.lb-play:hover .pb{transform:scale(1.1)}
.lb-play .pb svg{width:34px;height:34px;fill:#fff;margin-left:4px}
.lb-play .pt{display:none;color:#fff;font-size:14px;letter-spacing:1px}
.lb-play.playing .pt{display:block}
.lb-play.playing .pb{display:none}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(230,0,18,.4)}50%{box-shadow:0 0 0 16px rgba(230,0,18,0)}}
.lb-body{padding:20px 22px 24px}
.lb-body h3{font-size:22px;font-weight:800;color:#fff;margin-bottom:10px}
.lb-body .lb-desc{color:var(--color-text-muted);font-size:14px;line-height:1.8;margin-bottom:16px}
.lb-body .lb-note{font-size:12px;color:#ff9aa3;background:rgba(230,0,18,.1);border:1px dashed rgba(230,0,18,.35);padding:8px 12px;border-radius:6px;display:inline-block;margin-bottom:16px}
.lb-actions{display:flex;gap:12px;align-items:center}
.lb-actions .btn-nav-cta{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.25)}
.lb-actions .btn-nav-cta:hover{background:rgba(255,255,255,.1)}

/* ============ 结尾 CTA ============ */
.cta{position:relative;overflow:hidden;background:radial-gradient(760px 380px at 78% 0%,rgba(230,0,18,.34),transparent 62%),linear-gradient(160deg,#0b0e15,#131823 70%,#1a2030);color:#fff;padding:78px 0;text-align:center}
.cta::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:26px 26px;opacity:.5;mask-image:linear-gradient(#000,transparent 70%);pointer-events:none}
.cta .container{position:relative;z-index:2}
.cta h2{font-size:clamp(23px,3vw,34px);font-weight:900;letter-spacing:-.3px}
.cta h2 em{font-style:normal;color:#ff5b68}
.cta p{color:#a9b2c4;font-size:15px;line-height:1.95;margin:14px auto 30px;max-width:640px}
.cta .phones{margin-top:22px;font-size:13px;color:#8d97aa;line-height:1.9}

/* ============ 页脚 ============ */
footer{background:#0a0c11;color:#8f97a7;padding:52px 0 28px;border-top:1px solid rgba(255,255,255,.07);font-size:13.5px}
.f-grid{display:grid;grid-template-columns:2.1fr 1fr 1fr 1fr;gap:32px}
.f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:12px}
.f-logo{display:flex;align-items:center;margin-bottom:12px}
.f-logo .logo-img{height:38px;border-radius:7px;padding:4px 8px}
.f-desc{line-height:1.9;color:#8f97a7}
.f-contact{margin-top:12px;color:#c3cad8;line-height:1.9}
.f-col h4{color:#fff;font-size:14px;margin-bottom:12px;font-weight:800}
.f-col a{display:block;padding:4px 0;color:#8f97a7;transition:color .2s}
.f-col a:hover{color:#ff5b68}
.f-addrs{margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px;line-height:2;color:#7d8595}
.f-addrs .sep{margin:0 10px;opacity:.4}
.copy{margin-top:14px;font-size:12px;color:#666e7d}

/* ============ 移动底部条 ============ */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:130;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(12,14,19,.96);backdrop-filter:blur(14px);border-top:1px solid rgba(255,255,255,.1);gap:10px}
.mobile-bar a{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;height:46px;border-radius:10px;font-size:15px;font-weight:800}
.mobile-bar .mb-call{background:linear-gradient(135deg,#ff3a4b,#e60012);color:#fff}
.mobile-bar .mb-ask{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.2)}

/* ============ 滚动动效 ============ */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ============ 响应式 ============ */
@media(max-width:1080px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .qual-grid{grid-template-columns:repeat(2,1fr)}
  .net-grid{grid-template-columns:repeat(2,1fr)}
  .case-card{grid-template-columns:1fr}
  .f-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:920px){
  .nav-toggle{display:block}
  .nav-links{position:fixed;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;background:rgba(10,12,17,.98);backdrop-filter:blur(14px);padding:10px 16px 20px;gap:2px;border-bottom:1px solid rgba(230,0,18,.3);max-height:calc(100vh - var(--nav-h));overflow-y:auto;transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .22s,transform .22s}
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-links a{padding:13px 14px;font-size:15px}
  .nav-links a.btn-nav-cta{margin-left:0;margin-top:8px;text-align:center;justify-content:center}
  .nav-inner{height:60px}
  .section{padding:56px 0}
  .page-hero{padding:48px 0 42px}
  .svc{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-item::after{display:none}
  .process{grid-template-columns:repeat(2,1fr);gap:22px}
  .process-line{display:none}
  .serve{grid-template-columns:repeat(2,1fr)}
  .culture-grid{grid-template-columns:1fr}
  .intro{grid-template-columns:1fr}
  .intro .ph{max-width:220px}
}
@media(max-width:768px){
  .container{padding:0 18px}
  .works-grid{grid-template-columns:repeat(2,1fr)}
  .stats-bar{grid-template-columns:repeat(2,1fr)}
  .org-row{grid-template-columns:repeat(2,1fr)}
  .article{padding:28px 22px}
  .news-item{grid-template-columns:74px 1fr;gap:14px}
  .mobile-bar{display:flex}
  body{padding-bottom:72px}
  .cta{padding:60px 0 72px}
}
@media(max-width:560px){
  .svc-grid,.feat-grid,.qual-grid,.net-grid,.serve,.works-grid,.stats-bar,.flow,.process,.org-row{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr}
  .news-date{display:flex;align-items:baseline;gap:8px;justify-content:flex-start;padding:8px 12px}
  .news-date .my{margin-top:0}
  .btn{width:100%}
  .f-grid{grid-template-columns:1fr}
  .f-addrs .sep{display:none}
  .f-addrs span{display:block;margin:3px 0}
  .section-head{margin-bottom:32px}
  .case-body{padding:24px 20px}
  .article{padding:26px 18px}
  .intro .ph{display:none}
}