:root{
  --k5-teal-deep:#103334;
  --k5-teal-mid:#496765;
  --k5-teal-bright:#1fdaaf;
  --k5-mint:#1ad4a3;
  --k5-mint-hover:#2de0b8;
  --k5-blue:#00a2ff;
  --k5-blue-hover:#12b6fe;
  --k5-link:#22a4ff;
  --k5-coral:#ff5855;
  --k5-coral-deep:#ff523d;
  --k5-orange:#ff8133;
  --k5-violet:#7b6cf6;
  --k5-text:#333;
  --k5-text-soft:#4b5e76;
  --k5-text-muted:#666;
  --k5-bg:#f0f0f0;
  --k5-bg-white:#fff;
  --k5-bg-sky:#f7fbff;
  --k5-bg-paper:#fdfdfd;
  --k5-border:#d7e3eb;
  --k5-border-light:#e3ecf1;
  --k5-footer:#656565;
  --k5-shadow:0 8px 28px rgba(16,51,52,.12);
  --k5-radius:12px;
}
@font-face{font-family:"Noto Sans SC";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/noto-sans-sc-400.woff2") format("woff2")}
@font-face{font-family:"Noto Sans SC";font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/noto-sans-sc-700.woff2") format("woff2")}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font:15px/1.68 "Noto Sans SC",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--k5-text);background:var(--k5-bg);-webkit-font-smoothing:antialiased;padding-bottom:76px}
a{color:var(--k5-link);text-decoration:none}
a:hover{color:var(--k5-orange)}
img{max-width:100%;height:auto;width:auto;vertical-align:middle;border:0;display:block}
.k5-wrap{max-width:1080px;margin:0 auto;padding:0 16px}


.k5-top{position:sticky;top:0;z-index:130;background:var(--k5-teal-deep);box-shadow:0 4px 18px rgba(0,0,0,.22)}
.k5-header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 16px;max-width:1080px;margin:0 auto}
.k5-brand{display:flex;align-items:center;gap:10px;min-width:0;flex:1}
.k5-brand img{width:36px;height:36px;border-radius:8px;flex-shrink:0;box-shadow:0 2px 8px rgba(0,0,0,.25)}
.k5-brand-name{font-size:15px;font-weight:800;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.k5-topdl{display:inline-flex;align-items:center;justify-content:center;min-width:96px;height:36px;padding:0 16px;border-radius:20px;background:linear-gradient(90deg,var(--k5-blue),var(--k5-blue-hover));color:#fff;font-size:13px;font-weight:700;box-shadow:0 4px 14px rgba(0,162,255,.35);flex-shrink:0}
.k5-topdl:hover{color:#fff;filter:brightness(1.06)}
.k5-nav{background:rgba(0,0,0,.35);border-bottom:1px solid rgba(255,255,255,.08)}
.k5-nav ul{display:flex;margin:0;padding:0 8px;list-style:none;overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:1080px;margin:0 auto}
.k5-nav li{flex:0 0 auto}
.k5-nav a{display:block;padding:11px 12px;font-size:13px;color:rgba(255,255,255,.82);white-space:nowrap;border-bottom:2px solid transparent}
.k5-nav a.is-active,.k5-nav a:hover{color:var(--k5-teal-bright);border-bottom-color:var(--k5-teal-bright);font-weight:700}
.k5-scout{padding:8px 16px 12px;max-width:1080px;margin:0 auto}
.k5-scout .scout-box{background:rgba(255,255,255,.96);border:1px solid var(--k5-border);border-radius:10px;padding:10px;box-shadow:0 2px 10px rgba(0,0,0,.08)}
.k5-scout .scout-categories{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.k5-scout .scout-category{padding:4px 10px;font-size:12px;border:1px solid var(--k5-border);border-radius:16px;color:var(--k5-text-soft);background:#fff}
.k5-scout .scout-category.scout-selected{background:var(--k5-blue);color:#fff;border-color:var(--k5-blue)}
.k5-scout .scout-form{display:flex;gap:8px}
.k5-scout .scout-query{flex:1;height:36px;border:1px solid var(--k5-border);border-radius:8px;padding:0 12px;font-size:14px;font-family:inherit}
.k5-scout .scout-button{height:36px;padding:0 16px;border:0;border-radius:8px;background:var(--k5-blue);color:#fff;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit}
.k5-scout .scout-button:hover{background:var(--k5-blue-hover)}


.k5-crumb{padding:10px 16px;font-size:12px;color:#888;background:var(--k5-bg-white);border-bottom:1px solid var(--k5-border-light);max-width:1080px;margin:0 auto}
.k5-crumb a{color:var(--k5-text-muted)}
.k5-crumb-sep{margin:0 5px;color:#ccc}


.k5-hero{padding:26px 16px 30px;background:linear-gradient(165deg,var(--k5-teal-deep) 0%,#0d4a4c 45%,var(--k5-teal-mid) 100%);color:#fff;border-bottom:3px solid var(--k5-teal-bright)}
.k5-hero .k5-wrap{text-align:center}
.k5-hero h1{font-size:clamp(20px,4.8vw,26px);font-weight:800;color:#fff;line-height:1.35;margin-bottom:12px;text-shadow:0 2px 12px rgba(0,0,0,.15)}
.k5-hero-lead{font-size:14px;color:rgba(255,255,255,.88);line-height:1.75;text-align:left;margin-bottom:14px}
.k5-hero-bullets{list-style:none;text-align:left;margin:0 0 16px;padding:0}
.k5-hero-bullets li{position:relative;padding:0 0 8px 16px;font-size:14px;color:rgba(255,255,255,.9);line-height:1.6}
.k5-hero-bullets li::before{content:"";position:absolute;left:0;top:.55em;width:6px;height:6px;border-radius:50%;background:var(--k5-teal-bright);box-shadow:0 0 6px var(--k5-teal-bright)}
.k5-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:0 0 16px}
.k5-chip{display:inline-block;padding:5px 12px;border-radius:20px;font-size:12px;font-weight:700;color:#fff;line-height:1.3;box-shadow:0 2px 8px rgba(0,0,0,.12)}
.k5-chip--coral{background:linear-gradient(135deg,var(--k5-coral-deep),var(--k5-coral))}
.k5-chip--blue{background:linear-gradient(135deg,#0090e8,var(--k5-blue-hover))}
.k5-chip--teal{background:linear-gradient(135deg,#0fb896,var(--k5-mint))}
.k5-chip--violet{background:linear-gradient(135deg,#6a5ae0,var(--k5-violet))}
.k5-chip--mint{background:linear-gradient(135deg,#14b88a,var(--k5-mint-hover))}
.k5-dl-main{display:inline-flex;align-items:center;justify-content:center;min-width:200px;height:48px;padding:0 28px;border-radius:24px;background:linear-gradient(90deg,var(--k5-blue),var(--k5-blue-hover));color:#fff;font-size:16px;font-weight:700;box-shadow:0 6px 22px rgba(0,162,255,.38);margin-bottom:8px}
.k5-dl-main:hover{color:#fff;filter:brightness(1.05)}
.k5-dl-mac{display:inline-flex;align-items:center;justify-content:center;min-width:160px;height:44px;padding:0 22px;border-radius:22px;background:linear-gradient(90deg,var(--k5-mint),var(--k5-mint-hover));color:#fff;font-size:14px;font-weight:700;box-shadow:0 4px 16px rgba(26,212,163,.32);margin-left:8px}
.k5-hero-note{font-size:12px;color:rgba(255,255,255,.65);margin-bottom:14px}
.k5-hero-shot{max-width:520px;margin:16px auto 0;border-radius:var(--k5-radius);overflow:hidden;box-shadow:var(--k5-shadow);border:2px solid rgba(255,255,255,.15);line-height:0;font-size:0}
.k5-hero-shot img{display:block;width:100%;max-width:100%;height:auto;object-fit:contain;object-position:center}


.k5-section{padding:28px 16px;max-width:1080px;margin:0 auto;background:var(--k5-bg)}
.k5-section--alt{background:var(--k5-bg-white);border-top:1px solid var(--k5-border-light);border-bottom:1px solid var(--k5-border-light)}
.k5-section--sky{background:var(--k5-bg-sky);border-top:1px solid #cbe2f1;border-bottom:1px solid #cbe2f1}
.k5-section--teal{background:linear-gradient(180deg,var(--k5-teal-mid) 0%,#3d5654 100%);color:#fff;border-top:3px solid var(--k5-teal-bright)}
.k5-section--dark{background:linear-gradient(180deg,#1a1a1a 0%,#252525 100%);color:#fff;border-top:3px solid var(--k5-coral)}
.k5-section-h2{font-size:19px;font-weight:800;color:inherit;margin-bottom:6px;line-height:1.35}
.k5-section-sub{font-size:14px;color:var(--k5-coral);font-weight:600;margin-bottom:14px}
.k5-section--teal .k5-section-sub,.k5-section--dark .k5-section-sub{color:#ffb4b2}
.k5-section-row{display:flex;flex-direction:column;gap:16px;align-items:center}
.k5-section-body{flex:1;width:100%}
.k5-section-body p{font-size:14px;color:var(--k5-text-soft);line-height:1.8;margin-bottom:12px}
.k5-section-body p:last-child{margin-bottom:0}
.k5-section--teal .k5-section-body p,.k5-section--dark .k5-section-body p{color:rgba(255,255,255,.88)}
.k5-section--teal a,.k5-section--dark a{color:var(--k5-teal-bright)}
.k5-section--teal a:hover,.k5-section--dark a:hover{color:#fff}
.k5-section-img{width:100%;max-width:360px;border-radius:var(--k5-radius);overflow:hidden;background:rgba(255,255,255,.08);border:1px solid var(--k5-border-light);line-height:0;font-size:0;flex-shrink:0;box-shadow:var(--k5-shadow)}
.k5-section--teal .k5-section-img,.k5-section--dark .k5-section-img{border-color:rgba(255,255,255,.12);background:rgba(0,0,0,.15)}
.k5-section-img img{display:block;width:100%;max-width:100%;height:auto;object-fit:contain;object-position:center}
.k5-section--reverse .k5-section-row{flex-direction:column-reverse}
.k5-inline-dl{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}


.k5-table-wrap{overflow-x:auto;margin-top:12px;border:1px solid var(--k5-border);border-radius:10px;background:#fff}
.k5-table{width:100%;border-collapse:collapse;font-size:13px}
.k5-table th,.k5-table td{padding:10px 12px;border-bottom:1px solid var(--k5-border-light);text-align:left;color:var(--k5-text-soft)}
.k5-table th{background:var(--k5-bg-sky);font-weight:700;color:var(--k5-text)}


.k5-bar-dl{position:fixed;left:0;right:0;bottom:0;z-index:120;background:rgba(16,51,52,.94);border-top:1px solid rgba(31,218,175,.25);padding:10px 16px;display:flex;justify-content:center;backdrop-filter:blur(8px);box-shadow:0 -4px 20px rgba(0,0,0,.18)}
.k5-bar-dl .k5-dl-main{width:100%;max-width:360px;height:46px;font-size:15px;margin:0}
.k5-dl-btn,.k5-dl-main{text-decoration:none;color:#fff}
.k5-dl-ghost{display:inline-flex;align-items:center;justify-content:center;min-width:120px;height:44px;padding:0 18px;border-radius:22px;background:transparent;color:var(--k5-teal-bright);border:1px solid var(--k5-teal-bright);font-size:14px;font-weight:700}


.k5-tag-panel{background:var(--k5-bg-white);border:1px solid var(--k5-border);border-radius:var(--k5-radius);padding:20px;margin:14px 16px;max-width:1080px;box-shadow:var(--k5-shadow)}
.k5-tag-panel h1{font-size:20px;font-weight:700;margin-bottom:12px;color:var(--k5-teal-deep)}
.k5-tag-actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}


.k5-hottag-wrap{padding:16px 0 20px;background:var(--k5-bg-paper);border-top:1px solid var(--k5-border-light)}
.k5-hottag-title h3{margin:0 0 12px;font-size:14px;color:var(--k5-text-soft);font-weight:600}
.k5-hottag-main{display:flex;flex-wrap:wrap;gap:8px}
.k5-hottag-main a{display:inline-block;padding:5px 12px;font-size:13px;background:var(--k5-bg-sky);border:1px solid #cbe2f1;border-radius:16px;color:var(--k5-blue);font-weight:600}
.k5-hottag-main a:hover{background:#e8f4ff;color:var(--k5-orange);border-color:#a8d4f5}


.k5-footer{background:var(--k5-footer);padding:24px 16px;text-align:center;font-size:13px;color:#ddd;line-height:1.7}
.k5-footer a{color:#fff}
.k5-footer a:hover{color:var(--k5-teal-bright)}
.k5-footer-d3{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 14px;padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid #777}
.k5-footer-d3-link{color:#eee;font-size:13px}

@media (min-width:560px){
  .k5-section-row{flex-direction:row;align-items:flex-start;gap:24px}
  .k5-section--reverse .k5-section-row{flex-direction:row-reverse}
  .k5-section-img{flex:0 0 280px}
}
.k5-dl-row--triple{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.k5-dl-btn{display:inline-block;padding:11px 16px;border-radius:8px;font-size:14px;font-weight:700;text-align:center;flex:1}
.k5-dl-btn--primary{background:linear-gradient(90deg,var(--k5-blue),var(--k5-blue-hover));color:#fff}
.k5-dl-btn--ios{background:#111;color:#fff}
.k5-dl-btn--ghost{background:#fff;color:var(--k5-blue);border:1px solid var(--k5-blue)}
.k5-topdl--triple{display:inline-flex;gap:6px}
.k5-topdl--triple a{padding:6px 10px;font-size:12px;border-radius:6px;background:var(--k5-blue);color:#fff}
@media (max-width:480px){.dl-link--desktop{display:none}}