/* 首页：爱思助手下载关键词落地页 */
.home-download-page{padding-bottom:0;background:#fff;color:#172033;}
.home-download-page *{box-sizing:border-box;}
.download-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#075ee8 0%,#007aff 52%,#31a3ff 100%);color:#fff;}
.download-hero:before,.download-hero:after{position:absolute;border-radius:50%;content:"";pointer-events:none;}
.download-hero:before{width:440px;height:440px;right:-180px;top:-220px;background:rgba(255,255,255,.10);}
.download-hero:after{width:260px;height:260px;left:-130px;bottom:-150px;background:rgba(255,255,255,.08);}
.download-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(360px,.88fr);gap:64px;align-items:center;min-height:560px;padding-top:70px;padding-bottom:70px;}
.download-kicker{margin:0 0 14px;color:#2d73ff;font-size:12px;font-weight:800;line-height:1.5;letter-spacing:.16em;text-transform:uppercase;}
.download-hero .download-kicker{color:#d9ebff;}
.download-hero h1{max-width:760px;margin:0;color:#fff;font-size:48px;line-height:1.2;letter-spacing:-.025em;}
.download-lead{max-width:720px;margin:24px 0 0;color:#e9f4ff;font-size:18px;line-height:1.9;}
.download-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.download-btn{display:inline-flex;min-height:52px;padding:14px 24px;border:1px solid transparent;border-radius:10px;align-items:center;justify-content:center;font-size:16px;font-weight:700;line-height:1.4;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;}
.download-btn:hover{transform:translateY(-2px);}
.download-btn-primary{background:#fff;color:#0569ea;box-shadow:0 14px 35px rgba(0,38,112,.24);}
.download-btn-primary:hover{color:#0569ea;box-shadow:0 18px 42px rgba(0,38,112,.32);}
.download-btn-secondary{border-color:rgba(255,255,255,.55);background:rgba(255,255,255,.10);color:#fff;backdrop-filter:blur(8px);}
.download-btn-secondary:hover{background:rgba(255,255,255,.18);color:#fff;}
.download-trust-list{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:28px;color:#ddebff;font-size:13px;}
.download-trust-list li{position:relative;padding-left:18px;}
.download-trust-list li:before{position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:50%;background:#9fe1ff;content:"";box-shadow:0 0 0 4px rgba(159,225,255,.12);}
.download-hero-media{position:relative;}
.download-hero-media>img{display:block;width:100%;height:auto;border:1px solid rgba(255,255,255,.22);border-radius:24px;background:#fff;box-shadow:0 30px 80px rgba(0,35,102,.35);}
.download-hero-note{position:absolute;right:-20px;bottom:-24px;max-width:330px;padding:16px 18px;border:1px solid rgba(255,255,255,.65);border-radius:14px;background:rgba(255,255,255,.95);color:#172033;box-shadow:0 18px 50px rgba(0,45,120,.24);}
.download-hero-note strong,.download-hero-note span{display:block;}
.download-hero-note strong{margin-bottom:3px;color:#076bed;font-size:14px;}
.download-hero-note span{font-size:12px;line-height:1.6;}
.download-section{padding:84px 0;}
.download-version-section{background:#f5f8fd;}
.download-section-head{max-width:820px;margin:0 auto 42px;text-align:center;}
.download-section-head h2{margin:0;color:#172033;font-size:36px;line-height:1.3;letter-spacing:-.02em;}
.download-section-head>p:last-child{margin-top:14px;color:#61708a;font-size:16px;line-height:1.85;}
.download-version-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.download-version-card{position:relative;display:flex;min-height:310px;padding:26px;border:1px solid #dfe8f5;border-radius:18px;background:#fff;flex-direction:column;box-shadow:0 10px 30px rgba(36,70,120,.06);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;}
.download-version-card:hover{transform:translateY(-5px);border-color:#9fc6ff;box-shadow:0 18px 42px rgba(36,92,170,.13);}
.download-platform-icon{display:inline-flex;width:58px;height:32px;margin-bottom:20px;border-radius:8px;align-items:center;justify-content:center;background:#eaf3ff;color:#176fe5;font-size:11px;font-weight:800;letter-spacing:.06em;}
.download-version-card[data-platform="mac"] .download-platform-icon{background:#f0f2f5;color:#252b34;}
.download-version-card[data-platform="linux"] .download-platform-icon{background:#fff4dc;color:#9a5c00;}
.download-version-card[data-platform="ios"] .download-platform-icon{background:#ecf8f4;color:#08785a;}
.download-version-card h3{margin:0;color:#172033;font-size:20px;line-height:1.4;}
.download-version-number{margin:12px 0 0;color:#076bed;font-size:27px;font-weight:800;line-height:1.2;}
.download-version-date{margin-top:7px;color:#7a879a;font-size:13px;}
.download-version-note{margin:18px 0 24px;color:#52627a;font-size:14px;line-height:1.75;}
.download-card-link{display:inline-flex;margin-top:auto;color:#126de4;font-size:14px;font-weight:700;align-items:center;gap:6px;}
.download-card-link:hover{color:#054da6;}
.download-source-box{margin-top:24px;padding:18px 22px;border:1px solid #cfe0f6;border-radius:12px;background:#edf5ff;color:#43536a;font-size:14px;line-height:1.8;}
.download-source-box strong{color:#145db9;}
.download-safety-section{background:#fff;}
.download-safety-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.download-safety-grid article{padding:30px 26px;border:1px solid #e2e9f3;border-radius:18px;background:#fff;box-shadow:0 12px 34px rgba(31,60,103,.06);}
.download-safety-grid article>span{display:inline-flex;width:42px;height:42px;margin-bottom:20px;border-radius:12px;align-items:center;justify-content:center;background:#edf5ff;color:#0a6ceb;font-size:14px;font-weight:800;}
.download-safety-grid h3{margin:0 0 10px;color:#172033;font-size:19px;}
.download-safety-grid p{margin:0;color:#61708a;font-size:14px;line-height:1.8;}
.download-topic-section{background:#0e1b2e;color:#fff;}
.download-topic-section .download-kicker{color:#76b6ff;}
.download-topic-section .download-section-head h2{color:#fff;}
.download-topic-section .download-section-head>p:last-child{color:#aebbd0;}
.download-topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.download-topic-card{display:flex;min-height:260px;padding:25px;border:1px solid rgba(255,255,255,.12);border-radius:16px;background:rgba(255,255,255,.045);color:#fff;flex-direction:column;transition:transform .2s ease,border-color .2s ease,background .2s ease;}
.download-topic-card:hover{transform:translateY(-4px);border-color:rgba(118,182,255,.65);background:rgba(255,255,255,.075);color:#fff;}
.download-topic-keyword{display:inline-block;margin-bottom:20px;color:#76b6ff;font-size:12px;font-weight:700;line-height:1.5;}
.download-topic-card h3{margin:0 0 10px;color:#fff;font-size:20px;}
.download-topic-card p{margin:0;color:#aebbd0;font-size:14px;line-height:1.8;}
.download-topic-card strong{margin-top:auto;padding-top:20px;color:#dcecff;font-size:14px;}
.download-faq-section{background:#f7f9fc;}
.download-narrow{max-width:920px;}
.download-faq-list{display:grid;gap:12px;}
.download-faq-list details{border:1px solid #dfe7f2;border-radius:13px;background:#fff;box-shadow:0 8px 22px rgba(34,66,110,.04);}
.download-faq-list summary{position:relative;padding:20px 54px 20px 22px;color:#1c2a3e;font-size:16px;font-weight:700;line-height:1.55;cursor:pointer;list-style:none;}
.download-faq-list summary::-webkit-details-marker{display:none;}
.download-faq-list summary:after{position:absolute;right:22px;top:50%;width:24px;height:24px;margin-top:-12px;border-radius:50%;background:#edf5ff;color:#176fe5;content:"+";font-size:18px;font-weight:500;line-height:24px;text-align:center;}
.download-faq-list details[open] summary:after{content:"−";}
.download-faq-list details p{margin:0;padding:0 22px 22px;color:#5a6980;font-size:15px;line-height:1.9;}
.download-latest-section{background:#fff;}
.download-section-head-row{display:flex;max-width:none;margin-bottom:36px;align-items:flex-end;justify-content:space-between;text-align:left;}
.download-section-head-row h2{font-size:34px;}
.download-section-head-row>a{color:#176fe5;font-size:14px;font-weight:700;}
.download-news-list{gap:22px;}
.download-news-list article{border:1px solid #e1e8f1;border-radius:14px;box-shadow:0 10px 28px rgba(33,66,110,.06);transition:transform .2s ease,box-shadow .2s ease;}
.download-news-list article:hover{transform:translateY(-4px) scale(1);box-shadow:0 18px 40px rgba(33,66,110,.12);}
.download-news-list .wps-list-img{height:190px;background-position:center;background-size:cover;}
.download-news-list .atk-title{padding:20px;}
.download-news-list .atk-title h3{height:auto;margin:0 0 10px;font-size:17px;line-height:1.55;}
.download-news-list .atk-title h3 a{font-size:17px;color:#172033;}
.download-news-list .atk-title p{margin:0;color:#647188;font-size:13px;line-height:1.75;}

@media only screen and (max-width:1180px){
	.download-hero-grid{grid-template-columns:minmax(0,1fr) minmax(320px,.8fr);gap:38px;}
	.download-hero h1{font-size:41px;}
	.download-version-grid,.download-safety-grid,.download-topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media only screen and (max-width:768px){
	.download-hero-grid{display:block;min-height:0;padding-top:48px;padding-bottom:64px;}
	.download-hero h1{font-size:34px;line-height:1.28;}
	.download-lead{font-size:16px;line-height:1.8;}
	.download-hero-media{max-width:560px;margin:48px auto 0;}
	.download-hero-note{right:10px;bottom:-26px;left:10px;max-width:none;}
	.download-section{padding:62px 0;}
	.download-section-head{margin-bottom:32px;}
	.download-section-head h2,.download-section-head-row h2{font-size:29px;}
	.download-section-head-row{display:block;}
	.download-section-head-row>a{display:inline-block;margin-top:12px;}
	.download-version-grid,.download-safety-grid,.download-topic-grid{grid-template-columns:1fr 1fr;}
	.download-version-card{min-height:290px;}
}

@media only screen and (max-width:560px){
	.download-hero h1{font-size:30px;}
	.download-hero-actions{display:grid;grid-template-columns:1fr;}
	.download-btn{width:100%;}
	.download-trust-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
	.download-version-grid,.download-safety-grid,.download-topic-grid{grid-template-columns:1fr;}
	.download-version-card{min-height:0;}
	.download-section-head h2,.download-section-head-row h2{font-size:26px;}
	.download-section-head>p:last-child{font-size:14px;}
	.download-safety-grid article{padding:24px 22px;}
	.download-topic-card{min-height:230px;}
	.download-news-list .wps-list-img{height:180px;}
}

/* 授权安装包下载面板 */
.i4-package-panel{margin:24px 0 36px;padding:26px;border:1px solid #dce7f5;border-radius:18px;background:#f7faff;box-shadow:0 12px 34px rgba(28,67,120,.07);}
.i4-package-panel-head{margin-bottom:18px;}
.i4-package-panel-head h2{margin:0 0 8px!important;padding:0!important;border:0!important;color:#172033!important;font-size:26px!important;line-height:1.35!important;}
.i4-package-panel-head p{margin:0;color:#61708a;font-size:14px;line-height:1.8;}
.i4-package-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px 18px;align-items:center;margin-top:12px;padding:18px 20px;border:1px solid #dfe8f4;border-radius:13px;background:#fff;}
.i4-package-card-main strong,.i4-package-card-main span{display:block;}
.i4-package-card-main strong{color:#172033;font-size:18px;line-height:1.45;}
.i4-package-card-main span{margin-top:5px;color:#718097;font-size:13px;}
.i4-package-download{display:inline-flex;min-width:116px;min-height:44px;padding:10px 18px;border-radius:9px;align-items:center;justify-content:center;background:#0877f9;color:#fff!important;font-size:14px;font-weight:700;text-decoration:none!important;box-shadow:0 8px 20px rgba(8,119,249,.2);}
.i4-package-download:hover{background:#0566d8;color:#fff!important;}
.i4-package-download.is-disabled{background:#c3ccd8;box-shadow:none;cursor:not-allowed;}
.i4-package-hash{grid-column:1/-1;display:block;padding:10px 12px;border-radius:8px;background:#f1f5fa;color:#53627a;font-size:12px;line-height:1.6;overflow-wrap:anywhere;}

@media only screen and (max-width:560px){
	.i4-package-panel{padding:18px;}
	.i4-package-card{grid-template-columns:1fr;}
	.i4-package-download{width:100%;}
}