/* roulang page: index */
:root{
            --blue:#3974C9;
            --blue-dark:#28599B;
            --blue-soft:#EAF2FC;
            --mint:#2F9B89;
            --coral:#F07862;
            --bg:#F4F7FB;
            --card:#FFFFFF;
            --text:#203047;
            --muted:#6C7B90;
            --line:#DCE5F0;
            --radius:6px;
            --shadow:0 12px 30px rgba(42,76,119,.09);
            --shadow-hover:0 18px 36px rgba(42,76,119,.15);
            --container:1200px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:15px}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer;border:0}
        :focus-visible{outline:3px solid rgba(240,120,98,.55);outline-offset:3px}
        .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
        .site-header{height:74px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
        .nav-wrap{height:74px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
        .brand-mark{width:34px;height:34px;background:var(--blue);border:2px solid var(--blue-dark);box-shadow:4px 4px 0 #B9D0EC;display:grid;place-items:center;color:#fff;font-size:16px}
        .brand-mark:before{content:"▶";margin-left:2px}
        .nav-list{display:flex;align-items:center;gap:8px;list-style:none}
        .nav-list a{padding:8px 12px;color:var(--muted);font-size:14px;border-bottom:2px solid transparent;transition:.2s}
        .nav-list a:hover,.nav-list a.active{color:var(--blue);border-bottom-color:var(--blue)}
        .menu-toggle{display:none;background:var(--blue-soft);color:var(--blue);padding:8px 11px;border-radius:4px}
        .hero{background:#182B45;color:#fff;min-height:480px;display:flex;align-items:center;position:relative;overflow:hidden}
        .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:28px 28px;opacity:.7}
        .hero:after{content:"";position:absolute;width:430px;height:430px;right:-110px;top:-150px;background:#3974C9;opacity:.18;transform:rotate(22deg)}
        .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;padding:70px 0}
        .eyebrow,.section-kicker{color:var(--mint);font-size:12px;font-weight:800;letter-spacing:1.8px;text-transform:uppercase}
        .hero h1{font-size:clamp(32px,4.4vw,58px);line-height:1.17;letter-spacing:-1.5px;margin:18px 0 20px;max-width:620px}
        .hero h1 em{font-style:normal;color:#8ED8C6}
        .hero-copy{color:#C9D7E8;font-size:16px;max-width:620px;margin-bottom:28px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 19px;border-radius:4px;font-weight:700;transition:.2s;border:1px solid transparent}
        .btn-primary{background:var(--coral);color:#fff;box-shadow:4px 4px 0 rgba(240,120,98,.22)}
        .btn-primary:hover{background:#E6654D;transform:translateY(-2px)}
        .btn-ghost{border-color:#7185A0;color:#fff;background:transparent}
        .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
        .hero-poster{min-height:310px;position:relative;display:flex;align-items:flex-end;padding:24px;background:linear-gradient(145deg,#3974C9 0%,#223B62 54%,#F07862 160%);border:1px solid rgba(255,255,255,.24);box-shadow:12px 12px 0 rgba(47,155,137,.35)}
        .poster-grid{position:absolute;inset:16px;border:1px solid rgba(255,255,255,.3);background:linear-gradient(135deg,transparent 58%,rgba(255,255,255,.12) 58%);opacity:.8}
        .poster-text{position:relative;z-index:1}
        .poster-text small{display:inline-block;background:var(--mint);padding:4px 9px;font-weight:700;margin-bottom:12px}
        .poster-text strong{display:block;font-size:30px;line-height:1.2;max-width:260px}
        .poster-text span{display:block;color:#DCE8F5;margin-top:9px}
        section{scroll-margin-top:90px}
        .section{padding:78px 0}
        .section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
        .section-head h2{font-size:29px;line-height:1.3;margin-top:8px;letter-spacing:-.6px}
        .section-head p{color:var(--muted);max-width:570px}
        .text-link{color:var(--blue);font-weight:700;white-space:nowrap}
        .text-link:hover{color:var(--blue-dark);text-decoration:underline}
        .need-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
        .need-item{background:var(--card);border:1px solid var(--line);padding:24px 20px;box-shadow:var(--shadow)}
        .need-index{color:var(--coral);font-size:12px;font-weight:800;letter-spacing:1px}
        .need-item h3{font-size:18px;margin:10px 0 7px}
        .need-item p,.category-card p,.scene-item p{color:var(--muted);font-size:14px}
        .solution{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}
        .solution-main{padding:36px;background:var(--blue);color:#fff;position:relative;overflow:hidden}
        .solution-main:after{content:"✦";position:absolute;right:30px;bottom:-30px;font-size:170px;color:rgba(255,255,255,.1)}
        .solution-main h3{font-size:27px;line-height:1.35;max-width:500px;margin:13px 0}
        .solution-main p{color:#DCE8F5;max-width:570px}
        .solution-list{display:grid;gap:12px}
        .solution-row{background:#fff;border:1px solid var(--line);padding:17px 20px;display:flex;gap:15px;align-items:start;box-shadow:var(--shadow)}
        .solution-row b{background:var(--blue-soft);color:var(--blue);padding:3px 8px;font-size:12px}
        .solution-row strong{display:block;margin-bottom:3px}
        .solution-row span{color:var(--muted);font-size:13px}
        .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .step{padding:28px 25px;border-right:1px solid var(--line);position:relative}
        .step:last-child{border-right:0}
        .step-num{font-size:38px;color:var(--blue);font-weight:800;line-height:1}
        .step h3{font-size:19px;margin:14px 0 6px}
        .step p{color:var(--muted);font-size:14px}
        .content-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
        .media-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:.22s;overflow:hidden}
        .media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
        .media-thumb{height:175px;background:linear-gradient(135deg,#6C9DDD,#263F64);position:relative;display:flex;align-items:flex-end;padding:14px;color:#fff;overflow:hidden}
        .media-thumb:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.19) 1px,transparent 1px);background-size:18px 18px}
        .media-thumb.tone-2{background:linear-gradient(135deg,#2F9B89,#214D62)}
        .media-thumb.tone-3{background:linear-gradient(135deg,#E18A77,#633E53)}
        .media-thumb.tone-4{background:linear-gradient(135deg,#7D86B8,#293755)}
        .media-thumb.tone-5{background:linear-gradient(135deg,#4B9EC5,#244A77)}
        .media-thumb.tone-6{background:linear-gradient(135deg,#9D8AC4,#4A496F)}
        .media-thumb strong{position:relative;z-index:1;font-size:18px;line-height:1.3;text-shadow:0 2px 5px rgba(0,0,0,.25)}
        .status{position:absolute;top:12px;left:12px;background:#fff;color:var(--blue);font-size:11px;font-weight:800;padding:3px 7px;z-index:2}
        .media-info{padding:15px}
        .media-info h3{font-size:16px;margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
        .meta-line{display:flex;justify-content:space-between;gap:8px;color:var(--muted);font-size:12px}
        .rating{color:var(--coral);font-weight:800}
        .featured-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
        .feature-card{min-height:300px;background:#253E61;color:#fff;padding:30px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:end}
        .feature-card:before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(57,116,201,.88),rgba(32,48,71,.2)),repeating-linear-gradient(90deg,transparent 0 22px,rgba(255,255,255,.05) 23px 24px)}
        .feature-card>*{position:relative}
        .feature-card h3{font-size:30px;max-width:400px;line-height:1.25;margin:12px 0}
        .feature-card p{color:#DCE8F5;max-width:500px}
        .side-picks{display:grid;gap:12px}
        .pick{background:#fff;border:1px solid var(--line);padding:19px;box-shadow:var(--shadow)}
        .pick b{color:var(--mint);font-size:12px}
        .pick h3{font-size:17px;margin:7px 0}
        .pick p{color:var(--muted);font-size:13px}
        .category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
        .category-card{background:#fff;padding:24px;border:1px solid var(--line);border-top:4px solid var(--blue);box-shadow:var(--shadow);transition:.2s}
        .category-card:hover{border-top-color:var(--coral);transform:translateY(-3px)}
        .category-card h3{font-size:19px;margin-bottom:8px}
        .category-card .arrow{display:block;color:var(--blue);font-size:22px;margin-top:15px}
        .rank-layout{display:grid;grid-template-columns:1fr .8fr;gap:28px}
        .rank-list{background:#fff;border:1px solid var(--line)}
        .rank-row{display:grid;grid-template-columns:44px 1fr auto auto;gap:14px;align-items:center;padding:15px 18px;border-bottom:1px solid var(--line)}
        .rank-row:last-child{border-bottom:0}
        .rank-no{font-size:20px;font-weight:800;color:#9AAAC0}
        .rank-row:nth-child(-n+3) .rank-no{color:var(--coral)}
        .rank-title strong{display:block}
        .rank-title span,.rank-type{font-size:12px;color:var(--muted)}
        .rank-score{color:var(--coral);font-weight:700;font-size:13px}
        .data-panel{background:#EAF2FC;padding:29px;border:1px solid #CFE0F4}
        .data-panel h3{font-size:21px;margin-bottom:8px}
        .data-panel p{color:var(--muted);font-size:14px}
        .data-bars{margin-top:24px;display:grid;gap:16px}
        .bar-label{display:flex;justify-content:space-between;font-size:13px;margin-bottom:5px}
        .bar-track{height:8px;background:#D3E0F0}
        .bar-fill{height:100%;background:var(--blue)}
        .bar-fill.mint{background:var(--mint);width:62%}
        .bar-fill.coral{background:var(--coral);width:46%}
        .empty-note{padding:18px;background:#fff;border:1px dashed var(--line);color:var(--muted);font-size:14px}
        .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .scene-item{background:#fff;border-left:4px solid var(--mint);padding:22px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
        .scene-item h3{font-size:18px;margin-bottom:6px}
        .news-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}
        .news-list{background:#fff;border:1px solid var(--line)}
        .news-item{display:flex;gap:17px;padding:18px;border-bottom:1px solid var(--line);transition:.2s}
        .news-item:last-child{border-bottom:0}
        .news-item:hover{background:#F8FBFF}
        .news-thumb{width:86px;height:62px;flex:0 0 auto;background:linear-gradient(135deg,#3974C9,#8DB7E6)}
        .news-item:nth-child(even) .news-thumb{background:linear-gradient(135deg,#2F9B89,#9AD8C7)}
        .news-item h3{font-size:16px;line-height:1.4;margin-bottom:4px}
        .news-item time{font-size:12px;color:var(--muted)}
        .faq{max-width:850px;margin:auto}
        .faq details{background:#fff;border:1px solid var(--line);margin-bottom:10px}
        .faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;position:relative;padding-right:50px}
        .faq summary::-webkit-details-marker{display:none}
        .faq summary:after{content:"+";position:absolute;right:21px;color:var(--blue);font-size:22px;top:12px}
        .faq details[open] summary:after{content:"−"}
        .faq details p{padding:0 22px 19px;color:var(--muted);font-size:14px}
        .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
        .metric{background:#fff;border:1px solid var(--line);padding:24px;box-shadow:var(--shadow)}
        .metric strong{display:block;font-size:33px;color:var(--blue);line-height:1.2}
        .metric span{display:block;color:var(--muted);font-size:13px;margin-top:8px}
        .cta{background:#EAF2FC;border:1px solid #CFE0F4;padding:52px 30px;text-align:center}
        .cta h2{font-size:30px;margin-bottom:10px}
        .cta p{color:var(--muted);max-width:620px;margin:0 auto 22px}
        .site-footer{background:#1C2D43;color:#C7D4E4;padding:52px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:38px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.14)}
        .footer-brand{color:#fff;font-size:18px;font-weight:800;margin-bottom:12px}
        .footer-grid p{font-size:13px;color:#AEBED1;max-width:330px}
        .footer-col h3{color:#fff;font-size:14px;margin-bottom:13px}
        .footer-col a{display:block;color:#AEBED1;font-size:13px;margin:7px 0}
        .footer-col a:hover{color:#fff}
        .copyright{padding-top:20px;font-size:12px;color:#91A5BC;display:flex;justify-content:space-between;gap:20px}
        @media(max-width:1100px){
            .nav-list{gap:0}.nav-list a{padding:8px 8px}
            .hero-inner{gap:35px}.content-grid{grid-template-columns:repeat(3,1fr)}
            .category-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:820px){
            .site-header,.nav-wrap{height:68px}.menu-toggle{display:block}
            .nav-list{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px;box-shadow:var(--shadow)}
            .nav-list.open{display:grid;grid-template-columns:repeat(2,1fr)}
            .nav-list a{display:block;padding:10px}
            .hero-inner,.solution,.featured-layout,.rank-layout{grid-template-columns:1fr}
            .hero{min-height:auto}.hero-inner{padding:56px 0}.hero-poster{min-height:250px}
            .need-grid{grid-template-columns:repeat(2,1fr)}
            .content-grid{grid-template-columns:repeat(2,1fr)}
            .metrics{grid-template-columns:repeat(2,1fr)}
            .footer-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:520px){
            .container{width:min(100% - 28px,var(--container))}
            .brand{font-size:14px;white-space:normal;line-height:1.25}.brand-mark{width:30px;height:30px;flex:0 0 auto}
            .hero h1{font-size:34px}.hero-copy{font-size:15px}
            .section{padding:55px 0}.section-head{display:block}.section-head h2{font-size:25px;margin-bottom:9px}
            .need-grid,.content-grid,.category-grid,.scene-grid,.metrics{grid-template-columns:1fr}
            .steps{display:block}.step{border-right:0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}
            .media-thumb{height:190px}.rank-row{grid-template-columns:35px 1fr auto}.rank-type{display:none}
            .news-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:26px 18px}
            .copyright{display:block}.copyright span{display:block;margin-top:7px}
            .cta{padding:38px 20px}.cta h2{font-size:25px}
        }

/* roulang page: category1 */
:root{
 --blue:#3974C9;
 --blue-dark:#28599B;
 --blue-soft:#EAF2FC;
 --mint:#2F9B89;
 --coral:#F07862;
 --bg:#F4F7FB;
 --card:#FFFFFF;
 --text:#203047;
 --muted:#6C7B90;
 --line:#DCE5F0;
 --radius:6px;
 --shadow:0 12px 30px rgba(42,76,119,.09);
 --shadow-hover:0 18px 36px rgba(42,76,119,.15);
 --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
.site-header{height:74px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.nav-wrap{height:74px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
.brand-mark{width:34px;height:34px;background:var(--blue);border:2px solid var(--blue-dark);box-shadow:4px 4px 0 #B9D0EC;display:grid;place-items:center;color:#fff;font-size:16px}
.brand-mark:before{content:"▶";margin-left:2px}
.nav-list{display:flex;align-items:center;gap:8px;list-style:none;margin:0;padding:0}
.nav-list a{padding:8px 12px;color:var(--muted);font-size:14px;border-bottom:2px solid transparent;transition:.2s}
.nav-list a:hover,.nav-list a.active{color:var(--blue);border-bottom-color:var(--blue)}
.menu-toggle{display:none;background:var(--blue-soft);color:var(--blue);padding:8px 11px;border-radius:4px}
main{overflow:hidden}
section{scroll-margin-top:92px}
.page-heading{padding:48px 0 30px;background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:20px}
.breadcrumb a:hover{color:var(--blue)}
.breadcrumb span{color:#A8B5C5}
.page-heading h1{font-size:clamp(30px,4vw,48px);line-height:1.2;letter-spacing:-1px;margin:0 0 12px}
.page-heading p{max-width:730px;color:var(--muted);margin:0;font-size:16px}
.section{padding:64px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}
.section-kicker{color:var(--mint);font-size:12px;font-weight:800;letter-spacing:1.8px}
.section-head h2{font-size:28px;line-height:1.3;margin:8px 0 0;letter-spacing:-.5px}
.section-head p{color:var(--muted);max-width:570px;margin:0}
.intro-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch}
.intro-card{background:#fff;border:1px solid var(--line);padding:30px;box-shadow:var(--shadow)}
.intro-card h2{margin:0 0 12px;font-size:25px}
.intro-card p{color:var(--muted);margin:0}
.topic-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}
.topic-item{padding:14px 16px;background:var(--blue-soft);border-left:3px solid var(--blue)}
.topic-item strong{display:block;font-size:15px;margin-bottom:3px}
.topic-item span{color:var(--muted);font-size:13px}
.note-panel{background:#182B45;color:#fff;padding:30px;position:relative;overflow:hidden;box-shadow:10px 10px 0 rgba(47,155,137,.18)}
.note-panel:after{content:"✦";position:absolute;right:20px;bottom:-36px;font-size:160px;color:rgba(255,255,255,.08)}
.note-panel h3{position:relative;z-index:1;margin:0 0 12px;font-size:22px}
.note-panel p{position:relative;z-index:1;color:#C9D7E8;margin:0}
.note-line{position:relative;z-index:1;border-top:1px solid rgba(255,255,255,.18);padding-top:14px;margin-top:22px;color:#8ED8C6;font-weight:700}
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:17px 20px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);margin-bottom:24px}
.filter-tabs{display:flex;gap:8px;flex-wrap:wrap}
.filter-btn{background:#F1F5FA;color:var(--muted);border:1px solid transparent;border-radius:4px;padding:8px 14px;transition:.2s}
.filter-btn:hover,.filter-btn.active{background:var(--blue-soft);border-color:#B9D0EC;color:var(--blue)}
.sort-select{border:1px solid var(--line);border-radius:4px;color:var(--text);background:#fff;padding:8px 12px;outline:none}
.sort-select:focus,.filter-btn:focus,.btn:focus,.nav-list a:focus,.menu-toggle:focus{outline:3px solid rgba(57,116,201,.25);outline-offset:2px}
.category-layout{display:grid;grid-template-columns:1fr 310px;gap:28px;align-items:start}
.media-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.media-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:.22s;overflow:hidden}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.media-thumb{height:190px;background:linear-gradient(135deg,#6C9DDD,#263F64);position:relative;display:flex;align-items:flex-end;padding:16px;color:#fff;overflow:hidden}
.media-thumb:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.18) 1px,transparent 1px);background-size:18px 18px}
.media-thumb:after{content:"";position:absolute;width:130px;height:130px;right:-30px;top:-30px;border:1px solid rgba(255,255,255,.25);transform:rotate(45deg)}
.media-thumb.tone-2{background:linear-gradient(135deg,#2F9B89,#214D62)}
.media-thumb.tone-3{background:linear-gradient(135deg,#E18A77,#633E53)}
.media-thumb.tone-4{background:linear-gradient(135deg,#7D86B8,#293755)}
.media-thumb.tone-5{background:linear-gradient(135deg,#4B9EC5,#244A77)}
.media-thumb.tone-6{background:linear-gradient(135deg,#9D8AC4,#4A496F)}
.media-thumb strong{position:relative;z-index:1;font-size:19px;line-height:1.35;text-shadow:0 2px 5px rgba(0,0,0,.25)}
.media-info{padding:17px}
.media-info h3{font-size:17px;margin:0 0 7px}
.media-info p{color:var(--muted);font-size:13px;margin:0 0 13px;min-height:44px}
.meta-row{display:flex;justify-content:space-between;gap:8px;align-items:center;border-top:1px solid var(--line);padding-top:12px}
.badge{display:inline-flex;align-items:center;padding:3px 8px;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:700}
.badge.mint{background:#E7F5F1;color:var(--mint)}
.badge.coral{background:#FFF0EC;color:var(--coral)}
.meta-text{color:var(--muted);font-size:12px}
.side-stack{display:grid;gap:18px}
.side-card{background:#fff;border:1px solid var(--line);padding:23px;box-shadow:var(--shadow)}
.side-card h3{font-size:19px;margin:0 0 14px}
.side-card p{color:var(--muted);font-size:14px;margin:0}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{border-bottom:1px solid var(--line);padding:12px 0}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{display:flex;justify-content:space-between;gap:12px;font-weight:700;font-size:14px}
.side-list a:hover{color:var(--blue)}
.side-list small{display:block;color:var(--muted);font-size:12px;margin-top:3px}
.feature-layout{display:grid;grid-template-columns:1fr 1.25fr;gap:26px;align-items:stretch}
.feature-visual{min-height:260px;background:linear-gradient(135deg,#3974C9,#1F3659);padding:28px;color:#fff;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}
.feature-visual:before{content:"01";position:absolute;right:24px;top:15px;font-size:92px;font-weight:900;color:rgba(255,255,255,.11)}
.feature-visual h3{font-size:25px;margin:0 0 8px;position:relative}
.feature-visual p{color:#DCE8F5;margin:0;position:relative}
.feature-copy{background:#fff;border:1px solid var(--line);padding:30px;box-shadow:var(--shadow)}
.feature-copy h3{font-size:23px;margin:0 0 10px}
.feature-copy p{color:var(--muted);margin:0 0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:43px;padding:0 18px;border-radius:4px;font-weight:700;transition:.2s;border:1px solid transparent}
.btn-primary{background:var(--coral);color:#fff;box-shadow:4px 4px 0 rgba(240,120,98,.22)}
.btn-primary:hover{background:#E6654D;transform:translateY(-2px)}
.btn-secondary{background:var(--blue-soft);color:var(--blue);border-color:#C7D9F0}
.btn-secondary:hover{background:#DCEAFB}
.timeline{border-left:2px solid #B9D0EC;margin-left:10px;padding-left:25px;display:grid;gap:20px}
.timeline-item{position:relative;background:#fff;border:1px solid var(--line);padding:18px 20px;box-shadow:var(--shadow)}
.timeline-item:before{content:"";position:absolute;width:10px;height:10px;border:3px solid var(--blue);background:#fff;border-radius:50%;left:-33px;top:23px}
.timeline-item time{font-size:12px;color:var(--mint);font-weight:700}
.timeline-item h3{font-size:17px;margin:4px 0}
.timeline-item p{color:var(--muted);font-size:14px;margin:0}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.news-card{background:#fff;border:1px solid var(--line);padding:20px;box-shadow:var(--shadow);transition:.2s}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.news-card time{color:var(--mint);font-size:12px;font-weight:700}
.news-card h3{font-size:17px;line-height:1.45;margin:9px 0}
.news-card p{font-size:13px;color:var(--muted);margin:0}
.faq-list{display:grid;gap:10px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.faq-item summary{padding:17px 20px;font-weight:700;cursor:pointer;list-style:none;position:relative;padding-right:46px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:20px;color:var(--blue);font-size:22px;line-height:1}
.faq-item[open] summary{color:var(--blue);border-bottom:1px solid var(--line)}
.faq-item[open] summary:after{content:"−"}
.faq-answer{padding:14px 20px;color:var(--muted);font-size:14px}
.cta-section{padding:54px 0;background:var(--blue-soft);border-top:1px solid #D4E3F3}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta-box h2{font-size:28px;margin:0 0 8px}
.cta-box p{color:var(--muted);margin:0}
.site-footer{background:#182B45;color:#C9D7E8;padding:52px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:38px;padding-bottom:38px}
.footer-brand{color:#fff;font-size:18px;font-weight:800;margin-bottom:12px}
.footer-grid p{font-size:14px;max-width:320px;margin:0;color:#9FB1C7}
.footer-col{display:flex;flex-direction:column;gap:9px}
.footer-col h3{color:#fff;font-size:14px;margin:0 0 5px}
.footer-col a{font-size:13px;color:#9FB1C7;transition:.2s}
.footer-col a:hover{color:#fff}
.copyright{display:flex;justify-content:space-between;gap:16px;border-top:1px solid rgba(255,255,255,.14);padding-top:17px;font-size:12px;color:#8EA3BB}
@media (max-width:1024px){
 .nav-list{gap:2px}
 .nav-list a{padding:8px 8px;font-size:13px}
 .category-layout{grid-template-columns:1fr}
 .side-stack{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
 .site-header,.nav-wrap{height:68px}
 .nav-wrap{position:relative}
 .brand{font-size:15px;white-space:normal;line-height:1.2}
 .brand-mark{flex:0 0 34px}
 .menu-toggle{display:block}
 .nav-list{display:none;position:absolute;top:61px;left:0;right:0;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:8px;flex-direction:column;align-items:stretch}
 .nav-list.open{display:flex}
 .nav-list a{display:block;border-bottom:0;border-left:3px solid transparent}
 .nav-list a:hover,.nav-list a.active{border-left-color:var(--blue);background:var(--blue-soft)}
 .container{width:min(var(--container),calc(100% - 28px))}
 .page-heading{padding:34px 0 25px}
 .section{padding:48px 0}
 .intro-layout,.feature-layout{grid-template-columns:1fr}
 .media-list{grid-template-columns:repeat(2,1fr)}
 .news-grid{grid-template-columns:1fr 1fr}
 .cta-box{align-items:flex-start;flex-direction:column}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:520px){
 .section-head{display:block}
 .section-head p{margin-top:10px}
 .topic-list,.media-list,.news-grid,.side-stack{grid-template-columns:1fr}
 .filter-bar{display:block}
 .sort-select{width:100%;margin-top:12px}
 .filter-tabs{overflow-x:auto;flex-wrap:nowrap;padding-bottom:3px}
 .filter-btn{white-space:nowrap}
 .media-thumb{height:170px}
 .footer-grid{grid-template-columns:1fr}
 .copyright{display:block}
 .copyright span{display:block;margin-top:5px}
}