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html,body{max-width:100%;overflow-x:hidden}
/* 全站字号统一提高约 2px，保留下载站的紧凑信息密度。 */
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.header-main{height:74px;justify-content:flex-start}.home-search-strip{display:flex;align-items:center;gap:22px;margin-bottom:14px;padding:12px 16px;background:#fff;border:1px solid var(--line);border-radius:6px}.home-search-strip .search-form{flex:0 0 490px}.seo-keywords{display:flex;align-items:center;gap:12px;min-width:0;white-space:nowrap;overflow:auto;color:#667184}.seo-keywords strong{color:#27364b}.seo-keywords a{color:#52627a}.seo-keywords a:hover{color:var(--blue)}
@media(max-width:760px){body{font-size:15px}.brand-logo strong{font-size:22px}.header-main{height:auto}.home-search-strip{display:block;padding:10px}.home-search-strip .search-form{width:100%;margin-bottom:9px}.seo-keywords{gap:10px;font-size:13px}.section-head h2{font-size:20px}.page-title h1{font-size:23px}.article-body{font-size:16px}.article-content{font-size:17px}.news-article h1{font-size:25px}}
/* 第二轮可读性调整：最小两档字号各加 1px，同时放宽版心与纵向节奏。 */
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@media(max-width:1100px){.home-top{grid-template-columns:210px 1fr}.content-layout{gap:18px}}
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.seo-keyword-bar{margin-bottom:18px;padding:13px 18px;background:#fff;border:1px solid var(--line);border-radius:6px}.seo-keyword-bar .seo-keywords{justify-content:center}@media(max-width:760px){.seo-keyword-bar{margin-bottom:13px;padding:11px 12px}.seo-keyword-bar .seo-keywords{justify-content:flex-start}}
/* 图文资讯与更舒展的全站版式 */
:root{--container:1320px}body{line-height:1.85}.container{width:min(var(--container),calc(100% - 48px))}.home-page{padding:30px 0 70px}.home-top{grid-template-columns:240px 1fr 330px;gap:24px}.panel,.category-menu,.featured-soft,.top-ranking,.seo-keyword-bar{border-radius:8px}.featured-soft{padding:34px 38px}.fact-grid{margin:30px 0 22px}.block{margin-top:44px}.section-head{min-height:58px}.software-grid{gap:16px;background:transparent;border:0}.software-card{padding:26px 24px;border:1px solid var(--line);border-radius:7px}.platform-grid{gap:20px;margin-top:22px}.platform-grid>a{padding:28px}.two-columns{gap:34px}.page-shell{padding-bottom:70px}.breadcrumb{padding:22px 0}.content-layout,.detail-layout{gap:26px}.page-title{padding:30px 34px;margin-bottom:22px}.software-hero{padding:34px}.info-table{margin-top:24px;padding:30px}.article-body{margin-top:24px;padding:38px}.related-block{margin-top:24px;padding:28px}.side-panel{margin-bottom:4px}.side-about p{margin:0;padding:18px 17px 21px;color:#697486}.filter-tabs{margin-bottom:22px}.ranking-cards{gap:16px}.ranking-cards article{padding:24px}.topic-grid{gap:24px}.topic-card{padding:28px}.topic-hero{padding:46px;margin-bottom:26px}.footer-grid{padding:48px 0}.copyright{padding:20px 0}
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@media(max-width:1100px){:root{--container:100%}.container{width:calc(100% - 36px)}.home-top{grid-template-columns:220px 1fr}.home-news-grid{grid-template-columns:repeat(2,1fr)}.content-layout,.detail-layout{gap:20px}.news-cover{flex-basis:190px;width:190px;height:126px}}
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/* 流光加速器官方入口、iOS 教程弹窗与帮助中心 */
.soft-logo img,.mini-logo img{display:block;width:100%;height:100%;object-fit:contain;border-radius:inherit}.soft-logo:has(img),.mini-logo:has(img){padding:0;background:#fff;border:1px solid #e4e9f1;overflow:hidden}.fact-grid{grid-template-columns:repeat(3,1fr)}
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@media(max-width:480px){.platform-download-grid,.guide-steps{grid-template-columns:1fr}.ios-method-panel{grid-template-columns:1fr}.ios-method-panel img{width:64px;height:64px}}

/* 首页推荐位：免费使用与四端下载直达 */
.featured-actions{display:flex;gap:12px;margin-top:24px}.featured-actions .free-use{min-width:118px}.featured-actions .detail-button{min-width:104px}.featured-downloads{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:16px}.featured-downloads a,.featured-downloads button{appearance:none;display:flex;align-items:center;justify-content:center;gap:7px;min-height:48px;padding:7px 9px;border:1px solid #d8e0ea;border-radius:6px;background:#f8fafc;color:#344258;font:inherit;font-size:14px;font-weight:700;white-space:nowrap;cursor:pointer}.featured-downloads a:hover,.featured-downloads button:hover{border-color:#8db7e9;background:#edf6ff;color:var(--blue)}.featured-downloads img{width:27px;height:27px;object-fit:contain}.featured-intel-link{display:inline-block;margin-top:11px;color:#6d7b8f;font-size:14px}.featured-intel-link:hover{color:var(--blue)}
@media(max-width:760px){.featured-actions{margin-top:20px}.featured-downloads{grid-template-columns:1fr 1fr;gap:9px}.featured-downloads a,.featured-downloads button{min-height:46px}}

.brand-version-actions{display:flex;gap:9px;margin-top:10px}.brand-version-actions .button{min-width:104px;margin-top:0;padding:0 17px}.brand-version{min-width:226px}
@media(max-width:760px){.brand-version{min-width:0}.brand-version-actions{flex-wrap:wrap}}

/* 首页推荐位补充功能亮点与使用路径，填满同排栏目高度。 */
.featured-soft{display:flex;flex-direction:column}
.featured-fill{margin-top:auto;padding-top:24px}
.featured-capabilities{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.featured-capabilities>div{padding:15px 14px;background:#f6f9fd;border:1px solid #e4ebf4;border-radius:7px}
.featured-capabilities strong,.featured-capabilities span{display:block}
.featured-capabilities strong{margin-bottom:4px;color:#24364e;font-size:16px}
.featured-capabilities span{color:#6b7789;font-size:14px;line-height:1.65}
.featured-quickstart{display:flex;align-items:center;gap:22px;margin-top:12px;padding:14px 16px;background:#eef6ff;border:1px solid #d8e8fa;border-radius:7px}
.featured-quickstart>strong{flex:0 0 auto;color:var(--blue);font-size:16px}
.featured-quickstart ol{counter-reset:quickstep;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;flex:1;margin:0;padding:0;list-style:none}
.featured-quickstart li{counter-increment:quickstep;position:relative;padding-left:28px;color:#45546a;white-space:nowrap}
.featured-quickstart li:before{content:counter(quickstep);position:absolute;left:0;top:50%;display:grid;place-items:center;width:21px;height:21px;transform:translateY(-50%);border-radius:50%;background:var(--blue);color:#fff;font-size:12px;font-weight:700}
@media(max-width:1100px){.featured-capabilities{grid-template-columns:1fr}.featured-capabilities>div{padding:12px 14px}.featured-quickstart{align-items:flex-start;flex-direction:column;gap:9px}.featured-quickstart ol{width:100%;gap:8px}}
@media(max-width:760px){.featured-fill{margin-top:22px;padding-top:0}.featured-capabilities{grid-template-columns:1fr;gap:8px}.featured-quickstart ol{grid-template-columns:1fr;gap:8px}.featured-quickstart li{white-space:normal}}

/* TOP 100 榜单与资料条目 */
.rank-jumps{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 18px}
.rank-jumps a{padding:8px 15px;border:1px solid #dce5f1;border-radius:6px;background:#fff;color:#315479;font-weight:700}
.rank-jumps a:hover{border-color:var(--blue);color:var(--blue)}
.ranking-cards article{scroll-margin-top:24px}
.ranking-cards article>.rank-main{flex:1;min-width:0}
.ranking-cards article>div.rank-hot{flex:0 0 auto}
.rank-hot>a{display:inline-flex;align-items:center;justify-content:center;padding:8px 14px;border:1px solid #d8e3f0;border-radius:5px;color:var(--blue);white-space:nowrap}
.rank-disclaimer{margin:20px 0 0;color:#6d7786;font-size:14px;line-height:1.8}
.catalog-brand-hero{align-items:center}
.catalog-brand-content{margin-top:20px}
@media(max-width:760px){.rank-jumps{gap:7px}.rank-jumps a{padding:7px 10px;font-size:14px}.ranking-cards article>.rank-main{min-width:0}.ranking-cards .rank-hot{align-self:center}.rank-hot>a{padding:6px 9px}}

/* Expanded product profiles */
.catalog-detail-page{padding-bottom:72px}
.catalog-detail-hero{display:flex;align-items:center;gap:26px;padding:38px 42px;background:linear-gradient(120deg,#fff 58%,#f0f7ff)}
.catalog-detail-hero .brand-logo-mark{width:88px;height:88px;flex:none}
.catalog-detail-heading{min-width:0;flex:1}
.catalog-eyebrow{display:inline-block;margin-bottom:7px;color:var(--blue);font-size:15px;font-weight:700}
.catalog-detail-heading h1{margin:0 0 10px;font-size:34px;line-height:1.25}
.catalog-detail-heading p{max-width:750px;margin:0 0 16px;color:#566478;font-size:18px;line-height:1.75}
.catalog-detail-heading .tag-row{gap:9px}
.catalog-detail-heading .tag-row span{padding:5px 11px;font-size:14px}
.catalog-hero-actions{display:flex;flex-direction:column;align-items:stretch;gap:11px;min-width:190px}
.catalog-hero-actions .button{min-height:46px;text-align:center}
.catalog-detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 296px;align-items:start;gap:24px;margin-top:26px}
.catalog-detail-main{min-width:0;display:grid;gap:24px}
.catalog-section{padding:34px 38px;scroll-margin-top:20px}
.catalog-section-head{margin-bottom:23px;border-bottom:1px solid var(--line);padding-bottom:18px}
.catalog-section-head>span{display:block;color:#7a8da8;font-size:13px;font-weight:700;letter-spacing:.1em}
.catalog-section-head h2{margin:6px 0 0;font-size:25px;line-height:1.35}
.catalog-section>p{margin:0 0 20px;color:#46556b;font-size:17px;line-height:1.95}
.catalog-section .catalog-lead{font-size:19px;color:#26374d}
.catalog-fact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:22px}
.catalog-fact-grid>div{padding:19px 20px;border-radius:8px;background:#f5f8fc}
.catalog-fact-grid small{display:block;margin-bottom:8px;color:#7d8a9b;font-size:14px}
.catalog-fact-grid strong{font-size:16px;line-height:1.5}
.catalog-feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.catalog-feature-grid>div{display:flex;gap:14px;align-items:flex-start;min-height:100px;padding:20px;border:1px solid #e3eaf3;background:#fbfdff;border-radius:8px}
.catalog-feature-grid b{flex:none;color:var(--blue);font-size:17px}
.catalog-feature-grid span{color:#546277;font-size:16px;line-height:1.7}
.catalog-scenario-grid>div{display:block;min-height:0}
.catalog-scenario-grid b,.flow-scenario-grid b{display:block;margin-bottom:10px;color:#174d91}
.flow-scenario-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin:16px 0 28px}
.flow-scenario-grid>div{display:block;min-height:0}
.lantern-feature .catalog-feature-grid b{min-width:88px}
.catalog-download-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.catalog-download-grid>div{padding:25px;border:1px solid #dfe8f4;background:#f8fbff;border-radius:9px}
.catalog-download-grid>div.catalog-flow-card{background:#edf5ff;border-color:#cadef7}
.catalog-download-grid strong{display:block;margin-bottom:10px;font-size:20px}
.catalog-download-grid p{min-height:55px;margin:0 0 18px;color:#5e6c80;font-size:16px;line-height:1.75}
.catalog-download-actions{display:flex;flex-wrap:wrap;gap:9px}
.catalog-download-actions .button{min-height:43px;font-size:14px}
.catalog-secondary-link{display:inline-block;margin-top:15px;color:var(--blue);font-weight:700}
.catalog-faq details{padding:17px 0;border-bottom:1px solid var(--line)}
.catalog-faq summary{font-size:17px;font-weight:700;cursor:pointer}
.catalog-faq details p{margin:11px 0 0;color:#5b6879;font-size:16px;line-height:1.8}
.catalog-news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}
.catalog-news-grid>a{overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#fff}
.catalog-news-grid img{display:block;width:100%;height:155px;object-fit:cover}
.catalog-news-grid a>div{padding:15px 17px 18px}
.catalog-news-grid small{display:block;color:var(--blue);font-size:13px}
.catalog-news-grid strong{display:block;margin:6px 0;font-size:17px;line-height:1.5}
.catalog-news-grid span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:#718095;font-size:14px;line-height:1.65}
.catalog-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}
.catalog-related-grid>a{display:grid;grid-template-columns:50px minmax(0,1fr);column-gap:11px;align-items:center;padding:15px;border:1px solid var(--line);border-radius:8px}
.catalog-related-grid .soft-logo{width:50px;height:50px;grid-row:span 2}
.catalog-related-grid strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:16px}
.catalog-related-grid small{color:#8190a2;font-size:13px}
.catalog-detail-sidebar{display:grid;gap:18px;position:sticky;top:20px}
.catalog-detail-sidebar .side-panel{overflow:hidden}
.catalog-toc>a{display:block;padding:12px 19px;border-bottom:1px solid #edf0f4;color:#4a5b70}
.catalog-toc>a:last-child{border-bottom:0}
.catalog-side-products{padding:6px 14px}
.catalog-side-products a{display:flex;align-items:center;gap:10px;padding:11px 0;border-bottom:1px solid #edf0f4}
.catalog-side-products a:last-child{border-bottom:0}
.catalog-side-flow{padding-bottom:19px}
.catalog-side-flow p{margin:0;padding:18px 17px 15px;color:#637186;line-height:1.8}
.catalog-side-flow .button{margin:0 17px}
@media(max-width:1100px){.catalog-detail-layout{grid-template-columns:minmax(0,1fr) 260px}.catalog-detail-hero{flex-wrap:wrap}.catalog-hero-actions{width:100%;flex-direction:row}.catalog-hero-actions .button{flex:1}}
@media(max-width:850px){.catalog-detail-layout{grid-template-columns:1fr}.catalog-detail-sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-toc{display:none}.catalog-detail-hero{padding:27px}.catalog-section{padding:27px}}
@media(max-width:600px){.catalog-detail-page{padding-bottom:44px}.catalog-detail-hero{gap:16px;padding:23px}.catalog-detail-hero .brand-logo-mark{width:72px;height:72px}.catalog-detail-heading{flex-basis:calc(100% - 90px)}.catalog-detail-heading h1{font-size:27px}.catalog-detail-heading p{font-size:16px}.catalog-hero-actions{flex-direction:column}.catalog-detail-layout{margin-top:16px}.catalog-detail-main{gap:16px}.catalog-section{padding:22px}.catalog-section-head h2{font-size:22px}.catalog-section>p,.catalog-section .catalog-lead{font-size:16px}.catalog-fact-grid,.catalog-feature-grid,.catalog-download-grid,.catalog-news-grid,.catalog-detail-sidebar{grid-template-columns:1fr}.catalog-related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-feature-grid>div{min-height:0}.catalog-news-grid img{height:150px}}
@media(max-width:600px){.flow-scenario-grid{grid-template-columns:1fr}}

/* Home speed-reference board */
.speed-section .section-head{justify-content:space-between;gap:20px;padding-bottom:14px}
.speed-section .section-head p{margin:3px 0 0;color:#718096;font-size:15px}
.speed-origin{display:flex;align-items:center;gap:10px;flex:none;color:#617086;font-size:14px}
.speed-origin select{min-width:170px;padding:9px 34px 9px 12px;border:1px solid #cdd8e7;border-radius:6px;background:#fff;color:#172c48;font:inherit;cursor:pointer}
.speed-origin select:focus-visible{outline:3px solid #b8d6ff;outline-offset:2px}
.speed-clock{display:inline-block;margin-left:12px;color:#64748b;font-size:16px;font-weight:500;font-variant-numeric:tabular-nums;vertical-align:2px}
.speed-mode{display:inline-block;margin-left:8px;padding:2px 7px;border-radius:4px;background:#eaf2ff;color:#456f9e;font-size:12px;vertical-align:1px}
.speed-section .table-wrap{border-top:1px solid var(--line)}
.speed-table{min-width:860px}
.speed-table th,.speed-table td{padding:15px 18px}
.speed-table th:nth-child(n+3),.speed-table td:nth-child(n+3){text-align:center;width:14%}
.speed-table td:first-child{width:70px}
.speed-table td:nth-child(2){width:30%}
.speed-table tr[data-pinned="1"]{background:#f7fbff}
.speed-product{display:flex;align-items:center;gap:10px}
.speed-featured{flex:none;padding:3px 8px;border-radius:4px;background:#e8f2ff;color:#1266d4;font-size:12px;font-weight:700}
.speed-table td:nth-child(n+3) small{margin-left:3px;color:#95a1af;font-size:12px}
.speed-ms{font-size:20px;font-variant-numeric:tabular-nums;line-height:1.2}
.speed-fast{color:#168566}.speed-mid{color:#1565bf}.speed-slow{color:#d0812f}
.news-article header>time{display:block;margin-top:10px;color:#8995a5;font-size:14px;font-variant-numeric:tabular-nums}
@media(max-width:700px){.speed-section .section-head{align-items:flex-start;flex-direction:column;gap:11px}.speed-section .section-head p{font-size:14px}.speed-clock{margin-left:4px;font-size:13px}.speed-origin{width:100%;justify-content:space-between}.speed-origin select{min-width:0;width:190px}.speed-table th,.speed-table td{padding:12px 14px}}
.home-updates-topics>section{display:flex;flex-direction:column;min-width:0}
.home-updates-topics .update-list,.home-updates-topics .topic-mini-grid{flex:1}
.home-updates-topics .topic-mini-grid{grid-template-rows:repeat(3,minmax(0,1fr))}
.home-updates-topics .topic-mini-grid>a{display:flex;flex-direction:column;min-width:0}
.home-updates-topics .topic-mini-grid span{height:auto;flex:1;overflow:visible;line-height:1.7}
@media(max-width:760px){.home-updates-topics .topic-mini-grid{grid-template-rows:none}.home-updates-topics .topic-mini-grid>a{min-height:150px}}
.flow-faq{padding:17px 0;border-bottom:1px solid var(--line)}
.flow-faq summary{font-size:17px;font-weight:700;cursor:pointer}
.flow-faq p{margin:11px 0 0;color:#5b6879;font-size:16px;line-height:1.8}
.article-content{overflow-x:auto}
.article-content table{width:100%;max-width:820px;margin:28px auto;border:1px solid #cbd5e1;border-collapse:collapse;background:#fff}
.article-content th,.article-content td{padding:11px 15px;border:1px solid #cbd5e1;text-align:left;vertical-align:top}
.article-content th{background:#f3f7fc;font-weight:700}
.article-content img{display:block;max-width:100%;height:auto;margin:26px auto}
.article-content figure{max-width:100%;margin:28px auto;text-align:center}
.article-content figure img{margin:0 auto}
.article-accelerator-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:22px}
.article-accelerator-card{display:flex;flex-direction:column;align-items:flex-start;padding:23px 20px;border:1px solid var(--line);border-radius:8px;background:#f9fbfe;min-width:0}
.article-accelerator-card:hover{border-color:#a7c7ef;background:#f2f7ff}
.article-accelerator-card strong{margin-top:14px;font-size:19px;line-height:1.6}
.article-accelerator-card p{margin:10px 0 18px;color:#657083;font-size:15px;line-height:1.85;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.article-card-link{margin-top:auto;color:var(--blue);font-size:15px;font-weight:700}
.site-tg-support{position:fixed;right:20px;bottom:calc(24px + env(safe-area-inset-bottom));z-index:90;display:flex;align-items:center;gap:11px;padding:11px 15px 11px 11px;border:1px solid #c8e8f8;border-radius:999px;background:#eff9ff;color:#173752;box-shadow:0 9px 28px rgba(15,55,88,.18);transition:border-color .2s,background .2s,transform .2s}
.site-tg-support:hover{border-color:#61bde9;background:#e3f5ff;color:#0b659c;transform:translateY(-2px)}
.site-tg-icon{display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;border-radius:50%;background:#26a5e4;color:#fff}
.site-tg-icon svg{width:27px;height:27px}
.site-tg-support strong,.site-tg-support small{display:block}.site-tg-support strong{font-size:16px}.site-tg-support small{font-size:12px;color:#66849a}
@media(max-width:760px){.site-tg-support{right:12px;bottom:calc(12px + env(safe-area-inset-bottom));padding:8px 12px 8px 8px;gap:8px}.site-tg-icon{flex-basis:38px;width:38px;height:38px}.site-tg-icon svg{width:24px;height:24px}.site-tg-support small{display:none}}
@media(max-width:760px){.article-accelerator-cards{grid-template-columns:1fr}.article-accelerator-card{padding:22px}.article-accelerator-card p{-webkit-line-clamp:2}}