/* 搜狗输入法 仿官网视觉（橙 #f05010 主色 + 蓝 CTA + 浅蓝渐变 hero）。照 shurufa.sogou.com 版式还原。 */
*{box-sizing:border-box;margin:0;padding:0}
:root{--brand:#f05010;--brand-ink:#d8430b;--blue:#2f6bff;--blue-2:#4f8bff;--ink:#1c1f26;--muted:#6b7280;--line:#e9ecf2;--bg:#fff;--sky-1:#cfe7ff;--sky-2:#eaf4ff}
html{scroll-behavior:smooth}
body{font-family:-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
.wrap{max-width:1140px;margin:0 auto;padding:0 22px}
a{color:var(--blue);text-decoration:none}
a:hover{opacity:.85}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{line-height:1.25;color:var(--ink)}
em{font-style:normal}

/* —— 顶栏 —— */
.site-hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:24px;height:62px}
.brand{display:flex;align-items:center;gap:8px;color:var(--ink)}
.logo-s{flex:none}
.logo-text{font-size:19px;font-weight:800;letter-spacing:.5px}
.nav{display:flex;gap:26px;margin-left:14px;flex:1}
.nav a{color:#3a3f4a;font-size:15px;font-weight:500}
.nav a:hover{color:var(--brand)}
.btn{display:inline-flex;align-items:center;gap:7px;padding:10px 20px;border-radius:999px;font-weight:600;font-size:15px;cursor:pointer;border:0}
.btn-cta{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;box-shadow:0 8px 20px rgba(47,107,255,.28)}
.btn-cta:hover{opacity:1;filter:brightness(1.05)}
.btn-orange{background:linear-gradient(135deg,var(--brand),#ff7a3d);color:#fff;box-shadow:0 8px 20px rgba(240,80,16,.28)}
.btn-lg{padding:15px 38px;font-size:17px}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}

/* —— Hero —— */
.hero{position:relative;background:linear-gradient(180deg,var(--sky-1) 0%,var(--sky-2) 52%,#fff 100%);padding:74px 0 56px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.hero-eyebrow{display:inline-block;background:rgba(240,80,16,.1);color:var(--brand-ink);font-weight:700;font-size:13px;padding:5px 13px;border-radius:999px;margin-bottom:18px}
.hero h1{font-size:46px;font-weight:900;letter-spacing:.5px;margin-bottom:18px}
.hero h1 .accent{color:var(--brand)}
.hero-lead{font-size:18px;color:#475063;margin-bottom:26px;max-width:30em}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-meta{display:flex;gap:22px;margin-top:22px;color:#516079;font-size:14px;flex-wrap:wrap}
.hero-meta b{color:var(--ink);font-size:22px;display:block}
.hero-art{position:relative}
.hero-art img{border-radius:22px;box-shadow:0 30px 60px rgba(30,80,160,.18)}
.platforms-inline{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.chip{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:14px;color:#3a3f4a;font-weight:600}

/* —— 通用区块 —— */
.section{padding:62px 0}
.section.alt{background:linear-gradient(180deg,#fafbff,#fff)}
.sec-head{text-align:center;max-width:46em;margin:0 auto 38px}
.sec-title{font-size:32px;font-weight:900;margin-bottom:12px}
.sec-title em{color:var(--brand)}
.sec-sub{color:var(--muted);font-size:16px}

/* 特性图文 */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;margin:42px 0}
.feature.rev .feat-text{order:2}
.feat-text h3{font-size:24px;font-weight:800;margin-bottom:12px}
.feat-text h3 em{color:var(--brand)}
.feat-img img{border-radius:18px;box-shadow:0 18px 40px rgba(30,60,120,.12)}
.feat-list{list-style:none;margin-top:14px}
.feat-list li{position:relative;padding-left:24px;margin:8px 0;color:#3f4654}
.feat-list li::before{content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:50%;background:var(--brand);opacity:.85}

/* 卡片栅格 */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;transition:.2s;box-shadow:0 2px 10px rgba(20,40,90,.04)}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(20,40,90,.1);border-color:#dfe5f2}
.card h4{font-size:17px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14px}
.card .ic{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(240,80,16,.1);color:var(--brand);margin-bottom:14px}

/* 下载平台 */
.platforms{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.plat{border:1px solid var(--line);border-radius:18px;padding:26px;text-align:center;background:#fff}
.plat .ic{width:54px;height:54px;margin:0 auto 14px;color:var(--blue)}
.plat h3{font-size:19px;margin-bottom:6px}
.plat .ver{color:var(--muted);font-size:13px;margin-bottom:16px;min-height:1.2em}
.plat .btn{width:100%;justify-content:center}

/* 答案块 */
.answer{background:#fff7f3;border-left:4px solid var(--brand);border-radius:0 10px 10px 0;padding:13px 18px;margin:12px 0 20px;color:#3a3f4a;font-size:15.5px}
.prose{max-width:62em}
.prose h2{font-size:26px;font-weight:800;margin:38px 0 10px;padding-top:8px}
.prose h2 em{color:var(--brand)}
.prose h3{font-size:20px;font-weight:700;margin:26px 0 8px}
.prose p{margin:10px 0;color:#374050}
.prose ul{margin:12px 0 12px 22px;color:#374050}
.prose li{margin:6px 0}

/* FAQ */
.faq{display:grid;gap:12px;max-width:62em}
.faq details{border:1px solid var(--line);border-radius:12px;padding:4px 18px;background:#fff}
.faq summary{cursor:pointer;font-weight:600;padding:13px 0;list-style:none;font-size:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";color:var(--brand);font-weight:900;margin-right:10px}
.faq details[open] summary::before{content:"–"}
.faq details p{padding:0 0 14px;color:#475063;font-size:15px}

/* 源 / 面包屑 / 相关 */
.sources{margin:30px 0 8px;color:var(--muted);font-size:13.5px;border-top:1px dashed var(--line);padding-top:16px}
.sources a{color:var(--muted);text-decoration:underline}
.breadcrumb{font-size:13px;color:var(--muted);margin:18px 0}
.breadcrumb a{color:var(--muted)}
.related{display:flex;gap:16px;flex-wrap:wrap}
.related-box{margin:34px 0 6px;padding:20px;border:1px solid var(--line);border-radius:14px;background:#fafbff}
.related-box b{display:block;margin-bottom:10px}

.pagehead{padding:46px 0 8px;background:linear-gradient(180deg,var(--sky-2),#fff)}
.pagehead h1{font-size:36px;font-weight:900;margin:6px 0 12px}
.pagehead .lead{color:#475063;font-size:17px;max-width:46em}

/* —— Footer —— */
.site-ft{margin-top:40px;background:#0f1320;color:#aab2c5}
.ft-top{display:flex;justify-content:space-between;gap:30px;padding:42px 22px 26px;flex-wrap:wrap}
.ft-brand strong{color:#fff;font-size:18px;display:block;margin:8px 0 6px}
.ft-brand .ftmark svg path{fill:#f05010}
.ft-tag{color:#7e879b;font-size:14px}
.ft-links{gap:18px}
.ft-links a{color:#aab2c5;font-size:14px}
.ft-links a:hover{color:#fff}
.ft-copy{border-top:1px solid #232838;padding:16px 22px;font-size:13px;color:#69728a}

.qr-row{display:grid;grid-template-columns:300px 1fr;gap:32px;align-items:center}

@media (max-width:880px){
  .nav{display:none}
  .qr-row{grid-template-columns:1fr}
  .hero .wrap{grid-template-columns:1fr}
  .hero h1{font-size:34px}
  .feature{grid-template-columns:1fr;gap:22px}
  .feature.rev .feat-text{order:0}
  .sec-title{font-size:26px}
}