/* 几何色块拼贴风 · 大胆色面官网首页 */
:root{
  --bg:#f2f0ea;--card:#fff;--ink:#111;--muted:#555;--line:#111;
  --brand:#e11d2e;--yellow:#f5c518;--blue:#1d4ed8;--cyan:#06b6d4;--black:#111;
  --r:0;--sh:8px 8px 0 #111;--max:1160px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:
  linear-gradient(#111,#111) 0 0/100% 8px no-repeat,
  repeating-linear-gradient(90deg,#f2f0ea 0 80px,#ebe7de 80px 160px);color:var(--ink);line-height:1.6}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}
.wrap{width:min(100% - 32px,var(--max));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:4px solid #111}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:70px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.02em}
.logo-mark{width:40px;height:40px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:16px;border:3px solid #111;box-shadow:4px 4px 0 #111}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:14px;font-weight:800}
.nav-links a{padding:8px 12px;border:3px solid transparent;color:#444}
.nav-links a:hover{border-color:#111;background:var(--yellow)}
.nav-links a.t-active{background:var(--brand);color:#fff;border-color:#111;box-shadow:4px 4px 0 #111}
.nav-cta{background:var(--blue)!important;color:#fff!important;border-color:#111!important;box-shadow:4px 4px 0 #111}
.nav-sep{width:4px;height:18px;background:#111;margin:0 4px}
.collage-bar{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;height:18px}
.collage-bar span:nth-child(1){background:var(--brand)}
.collage-bar span:nth-child(2){background:var(--yellow)}
.collage-bar span:nth-child(3){background:var(--blue)}
.collage-bar span:nth-child(4){background:var(--cyan)}
.hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(ellipse 80% 70% at 18% 20%,#1a3a6e 0%,transparent 55%),radial-gradient(ellipse 50% 60% at 88% 35%,rgba(225,29,46,.48) 0%,transparent 50%),linear-gradient(165deg,#071525 0%,#0f2748 50%,#0a1a32 100%)}
.hero::before{content:"";position:absolute;top:24px;right:8%;width:120px;height:120px;background:var(--yellow);border:4px solid #111;transform:rotate(12deg);opacity:.9;z-index:0}
.hero::after{content:"";position:absolute;bottom:40px;left:42%;width:80px;height:80px;background:var(--cyan);border:4px solid #111;z-index:0}
.skyline{position:absolute;inset:auto 0 0 0;height:140px;opacity:.22;pointer-events:none;z-index:1}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;padding:64px 0 72px}
.kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;background:var(--yellow);color:#111;border:3px solid #111;font-size:12px;font-weight:900;margin-bottom:14px;box-shadow:4px 4px 0 #111}
.kicker i{width:10px;height:10px;background:var(--brand);border:2px solid #111}
.hero h1{margin:0 0 14px;font-size:clamp(28px,4vw,46px);line-height:1.12;font-weight:900}
.hero-lead{margin:0 0 20px;color:#d5e0f0;font-size:15px;max-width:46ch}
.blocks{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.blocks b{padding:6px 10px;border:3px solid #111;font-size:12px;font-weight:900;color:#111;box-shadow:3px 3px 0 #111}
.blocks b:nth-child(1){background:var(--yellow)}
.blocks b:nth-child(2){background:var(--cyan)}
.blocks b:nth-child(3){background:#fff}
.blocks b:nth-child(4){background:#fb7185}
.platform-pills{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.platform-pills button{border:3px solid rgba(255,255,255,.35);background:rgba(0,0,0,.25);color:#fff;padding:8px 14px;border-radius:999px;cursor:pointer;font-weight:800}
.platform-pills button.is-on{background:#fff;color:#111;border-color:#fff}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;font-weight:900;border:3px solid #111;cursor:pointer;box-shadow:5px 5px 0 #111}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{transform:translate(1px,1px);box-shadow:4px 4px 0 #111}
.btn-ghost{background:transparent;color:#fff;border-color:#fff;box-shadow:5px 5px 0 rgba(0,0,0,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-line{background:#fff;color:#111}
.btn-line:hover{background:var(--yellow)}
.btn-sm{padding:9px 14px;font-size:13px;box-shadow:3px 3px 0 #111}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 16px;font-size:12px;color:#b6c6db;margin-bottom:14px;font-weight:700}
.update-list{margin:0;padding-left:18px;color:#d0dbeb;font-size:13px}
.update-list li{margin:4px 0}
.mock-wrap{position:relative;perspective:1000px}
.mock{background:#111;border:4px solid #111;padding:10px;box-shadow:12px 12px 0 rgba(0,0,0,.35);transform:rotateY(-5deg) rotateX(2deg);outline:4px solid var(--yellow);outline-offset:6px}
.mock-bar{height:12px;display:flex;gap:6px;margin-bottom:8px}
.mock-bar span{width:12px;height:12px;background:var(--brand);border:2px solid #fff}
.mock-bar span:nth-child(2){background:var(--yellow)}
.mock-bar span:nth-child(3){background:var(--cyan)}
.mock-screen{display:grid;grid-template-columns:1.3fr .9fr;gap:6px;background:#0a1220;overflow:hidden;min-height:260px;border:3px solid #fff}
.mock-chart{padding:8px;position:relative}
.mock-chart img{width:100%;height:160px;object-fit:cover;opacity:.95}
.chart-line{position:absolute;left:12px;right:12px;top:50%;height:4px;background:var(--brand);opacity:.7}
.mock-side{border-left:3px solid #fff;padding:8px;font-size:11px;background:#111}
.mock-side h4{margin:0 0 8px;color:var(--yellow);font-weight:900;font-size:11px}
.stk{display:flex;justify-content:space-between;padding:5px 0;border-bottom:2px solid #333;color:#fff;font-weight:700}
.stk em{font-style:normal;color:#fb7185}
.badge-adfree{position:absolute;top:-12px;right:-10px;background:var(--brand);color:#fff;font-size:12px;font-weight:900;padding:10px 14px;transform:rotate(12deg);border:3px solid #111;box-shadow:4px 4px 0 #111;z-index:2}
.section{padding:72px 0}
.section-head{margin-bottom:28px}
.section-head h2{margin:0 0 10px;font-size:clamp(24px,3vw,34px);font-weight:900;display:inline-block;padding:8px 14px;background:#fff;border:4px solid #111;box-shadow:6px 6px 0 #111}
.section-head p{margin:14px 0 0;color:var(--muted);max-width:60ch}
.platforms{display:grid;gap:16px}
.plat-pc{position:relative;overflow:hidden;display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;background:#fff;border:4px solid #111;padding:28px;box-shadow:var(--sh)}
.ribbon{position:absolute;top:18px;left:-34px;background:var(--brand);color:#fff;font-size:12px;font-weight:900;padding:7px 42px;transform:rotate(-45deg);border:3px solid #111}
.plat-icon{width:68px;height:68px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:24px;font-weight:900;border:4px solid #111;box-shadow:4px 4px 0 #111}
.plat-pc h3{margin:0 0 6px;font-size:22px;font-weight:900}
.plat-pc p{margin:0;color:var(--muted);font-size:14px}
.plat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.plat-card{background:#fff;border:4px solid #111;padding:22px;text-align:center;box-shadow:6px 6px 0 #111}
.plat-card:nth-child(1){background:var(--yellow)}
.plat-card:nth-child(2){background:var(--cyan)}
.plat-card:nth-child(3){background:#fdba74}
.plat-card .ico{width:48px;height:48px;margin:0 auto 12px;background:#fff;border:3px solid #111;display:grid;place-items:center;font-size:14px;font-weight:900}
.plat-card h3{margin:0 0 6px;font-size:17px;font-weight:900}
.plat-card p{margin:0 0 14px;color:#333;font-size:13px;font-weight:600}
.features{display:grid;gap:24px}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch;background:#fff;border:4px solid #111;overflow:hidden;box-shadow:var(--sh)}
.feat:nth-child(even) .feat-media{order:2}
.feat:nth-child(1) .feat-body{background:#fff1f2}
.feat:nth-child(2) .feat-body{background:#eff6ff}
.feat:nth-child(3) .feat-body{background:#fef9c3}
.feat:nth-child(4) .feat-body{background:#ecfeff}
.feat-media{min-height:240px;background:#111}
.feat-media img{width:100%;height:100%;object-fit:cover;min-height:240px}
.feat-body{padding:28px}
.feat-body .tag{display:inline-block;padding:5px 10px;background:#111;color:#fff;font-size:12px;font-weight:900;margin-bottom:10px}
.feat-body h3{margin:0 0 10px;font-size:22px;font-weight:900}
.feat-body p{margin:0;color:#444}
.more-feats{margin-top:24px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.more-feats details{background:#fff;border:4px solid #111;padding:14px 16px;box-shadow:4px 4px 0 #111}
.more-feats summary{cursor:pointer;font-weight:900;list-style:none}
.more-feats summary::-webkit-details-marker{display:none}
.more-feats details[open] summary{color:var(--brand);margin-bottom:8px}
.more-feats details p{margin:0;color:#555;font-size:13px}
.community{background:linear-gradient(135deg,#5b21b6 0%,#c2410c 55%,#ea580c 100%);color:#fff;padding:72px 0;position:relative}
.community::before{content:"";position:absolute;top:24px;left:8%;width:70px;height:70px;background:var(--yellow);border:4px solid #111}
.community::after{content:"";position:absolute;bottom:30px;right:10%;width:90px;height:40px;background:var(--cyan);border:4px solid #111}
.community .wrap{position:relative;z-index:1}
.community .section-head h2{background:#111;color:#fff;box-shadow:6px 6px 0 var(--yellow)}
.community .section-head p{color:rgba(255,255,255,.9)}
.phones{display:grid;grid-template-columns:repeat(2,minmax(0,320px));gap:28px;justify-content:center}
.phone{background:#111;border:4px solid #111;padding:10px;box-shadow:8px 8px 0 rgba(0,0,0,.3);outline:4px solid #fff;outline-offset:4px}
.phone-notch{width:90px;height:8px;background:#333;margin:4px auto 8px}
.feed{background:#1a1a1e;overflow:hidden;border:3px solid #fff}
.feed img{width:100%;height:180px;object-fit:cover}
.feed-body{padding:14px}
.feed-body h4{margin:0 0 6px;font-size:15px;font-weight:900}
.feed-body p{margin:0;font-size:12px;color:#c9c9d1}
.site-footer{background:#111;color:#bbb;padding:56px 0 28px;font-size:13px}
.qr-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:28px}
.qr{background:#222;border:3px solid #fff;padding:14px;text-align:center;color:#fff}
.qr:nth-child(1){background:var(--brand)}
.qr:nth-child(2){background:var(--blue)}
.qr:nth-child(3){background:#7c3aed}
.qr:nth-child(4){background:#0f766e}
.qr-box{width:84px;height:84px;margin:0 auto 8px;background:repeating-conic-gradient(#111 0% 25%,#fff 0% 50%) 50%/12px 12px;border:3px solid #fff}
.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}
.footer-links h4{margin:0 0 10px;color:#fff;font-size:14px;font-weight:900}
.footer-links a{display:block;padding:3px 0;color:#bbb}
.footer-links a:hover{color:var(--yellow)}
.foot-meta{border-top:3px solid #333;padding-top:16px;display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;color:#888}
.page-hero{padding:48px 0 24px;background:#fff;border-bottom:4px solid #111}
.page-hero h1{margin:0 0 10px;font-size:clamp(26px,3vw,36px);font-weight:900}
.page-hero p{margin:0;color:var(--muted);max-width:62ch}
.card-list{display:grid;gap:14px}
.dl-card,.faq-item{background:#fff;border:4px solid #111;padding:22px;box-shadow:6px 6px 0 #111}
.dl-card{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center}
.dl-card h2,.faq-item h2{margin:0 0 8px;font-size:18px;font-weight:900}
.dl-card p,.faq-item p{margin:0;color:#555;font-size:14px}
.crumbs{font-size:13px;color:#666;margin-bottom:12px;font-weight:700}
.crumbs a{color:var(--blue)}
.note{font-size:12px;color:#666;margin-top:8px;font-weight:700}
@media (max-width:960px){
  .hero-grid,.feat,.plat-pc,.dl-card{grid-template-columns:1fr}
  .feat:nth-child(even) .feat-media{order:0}
  .plat-grid,.more-feats,.qr-grid,.footer-links,.phones,.collage-bar{grid-template-columns:1fr 1fr}
  .mock{transform:none}
  .hero::before,.hero::after,.community::before,.community::after{display:none}
}
@media (max-width:640px){
  .plat-grid,.more-feats,.qr-grid,.footer-links,.phones{grid-template-columns:1fr}
  .nav-links .hide-sm{display:none}
}

/* perf */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
.site-header{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
.feat-media img,.mock-chart img,.feat-row img{content-visibility:auto}
.community,.site-footer{content-visibility:auto;contain-intrinsic-size:800px}
img{height:auto}