/* roulang page: index */
:root{
  --blue:#1769aa;
  --blue-dark:#0e4f85;
  --blue-soft:#eaf4fb;
  --teal:#168a7a;
  --ink:#152334;
  --muted:#627386;
  --line:#dbe6ef;
  --bg:#f6f9fc;
  --white:#fff;
  --warm:#e89437;
  --radius:8px;
  --shadow:0 10px 28px rgba(28,62,97,.08);
  --shadow-hover:0 16px 36px rgba(28,62,97,.14);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
img{max-width:100%}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.skip{position:absolute;left:-999px;top:0;background:var(--blue);color:#fff;padding:9px 14px;z-index:99}
.skip:focus{left:10px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);box-shadow:0 3px 16px rgba(35,65,90,.04);backdrop-filter:blur(12px)}
.brand-row{min-height:58px;display:flex;align-items:center;gap:24px}
.logo{display:inline-flex;align-items:center;gap:9px;white-space:nowrap;font-size:20px;font-weight:800;color:var(--ink)}
.logo-mark{width:27px;height:27px;border:2px solid var(--blue);border-radius:6px;position:relative;background:#fff}
.logo-mark:before{content:"";position:absolute;left:8px;top:6px;border-left:8px solid var(--blue);border-top:5px solid transparent;border-bottom:5px solid transparent}
.update-note{font-size:13px;color:var(--muted);padding-left:18px;border-left:1px solid var(--line)}
.header-actions{margin-left:auto;display:flex;gap:10px;align-items:center}
.icon-btn,.menu-btn{border:1px solid var(--line);background:#fff;color:var(--blue-dark);height:34px;min-width:38px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;transition:.2s}
.icon-btn:hover,.menu-btn:hover{border-color:var(--blue);background:var(--blue-soft)}
.menu-btn{display:none}
.channel-row{border-top:1px solid #edf2f6}
.channels{height:47px;display:flex;align-items:center;gap:3px}
.channel{font-size:14px;color:#405269;padding:11px 14px;position:relative;white-space:nowrap;transition:.2s}
.channel:hover{background:var(--blue-soft);color:var(--blue)}
.channel.active{color:var(--blue);font-weight:700}
.channel.active:after{content:"";position:absolute;height:2px;background:var(--blue);left:13px;right:13px;bottom:0}
.trend{margin-left:auto;font-size:13px;color:var(--teal);display:flex;gap:6px;align-items:center;white-space:nowrap}
.hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line)}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(23,105,170,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(23,105,170,.045) 1px,transparent 1px);background-size:30px 30px;pointer-events:none}
.hero-inner{position:relative;padding:63px 0 34px}
.launch-line{display:flex;align-items:center;justify-content:space-between;gap:20px;border:1px solid var(--line);background:rgba(255,255,255,.86);padding:12px 15px;border-radius:var(--radius);margin-bottom:34px}
.launch-line strong{font-size:14px;color:var(--blue-dark)}
.launch-dots{display:flex;gap:7px}
.launch-dots i{width:7px;height:7px;background:#b5c8d7;border-radius:50%}
.launch-dots i:first-child{background:var(--blue)}
.hero-stage{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center}
.kicker,.badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--blue-dark);background:var(--blue-soft);border:1px solid #d6eafa;border-radius:5px;padding:4px 9px}
h1,h2,h3,p{margin-top:0}
h1{font-size:52px;line-height:1.22;letter-spacing:0;margin:18px 0}
h1 span{display:block;color:var(--blue)}
.hero-copy{max-width:680px;color:#52657a;margin-bottom:25px}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{border:1px solid transparent;border-radius:6px;padding:11px 17px;font-size:15px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:7px;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 16px rgba(23,105,170,.18)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-secondary{background:#fff;color:var(--blue);border-color:#a9cbe5}
.btn-secondary:hover{background:var(--blue-soft)}
.hero-points{display:flex;gap:24px;margin-top:28px;flex-wrap:wrap}
.point strong{display:block;font-size:19px;color:var(--ink);line-height:1.2}
.point span{font-size:13px;color:var(--muted)}
.stage-board{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px;padding:18px;position:relative}
.stage-board:after{content:"";position:absolute;right:-13px;top:38px;width:13px;height:116px;border:1px solid #c7dfef;border-left:0;background:#f4faff;border-radius:0 8px 8px 0}
.board-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;font-size:13px;color:var(--muted)}
.count-ring{width:84px;height:84px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--blue) 0 72%,#dcebf5 72% 100%);margin:10px auto 16px;position:relative}
.count-ring:before{content:"";position:absolute;width:66px;height:66px;border-radius:50%;background:#fff}
.count-ring b{z-index:1;font-size:20px;color:var(--blue-dark)}
.board-item{padding:12px 0;border-top:1px solid #e8eff4;display:flex;align-items:center;gap:10px}
.mini-cover{width:40px;height:32px;border-radius:5px;background:linear-gradient(135deg,#b9d8ec,#edf7fc);border:1px solid #d4e6f1;flex:0 0 auto}
.board-item b{font-size:14px;display:block}
.board-item small{font-size:12px;color:var(--muted)}
.hot-strip{display:flex;align-items:center;gap:10px;margin-top:42px;overflow:auto;padding:9px 0}
.hot-strip span{font-size:13px;color:var(--muted);white-space:nowrap}
.tag{display:inline-block;white-space:nowrap;border:1px solid var(--line);background:#fff;color:#486075;padding:5px 10px;border-radius:5px;font-size:13px}
.section{padding:94px 0}
.section-head{margin-bottom:32px;max-width:720px}
.eyebrow{font-size:13px;color:var(--teal);font-weight:800;margin-bottom:8px}
h2{font-size:30px;line-height:1.35;margin-bottom:10px}
.section-head p{color:var(--muted);margin-bottom:0}
.problem-layout{display:grid;grid-template-columns:270px 1fr;gap:56px;align-items:start}
.big-number{font-size:92px;line-height:.9;font-weight:800;color:#d6e9f6}
.problem-intro h2{margin-top:12px}
.problem-intro p{color:var(--muted)}
.problem-list{border-top:1px solid var(--line)}
.problem-item{display:grid;grid-template-columns:48px 1fr auto;align-items:center;gap:15px;padding:19px 0;border-bottom:1px solid var(--line)}
.problem-item em{font-style:normal;font-weight:800;color:var(--blue)}
.problem-item h3{font-size:17px;margin:0 0 3px}
.problem-item p{font-size:14px;color:var(--muted);margin:0}
.arrow{color:var(--blue);font-size:21px}
.solution{background:#eaf3f9;border-top:1px solid #dceaf3;border-bottom:1px solid #dceaf3}
.solution-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:58px;align-items:center}
.feed-panel{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:16px;border-radius:8px}
.feed-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-weight:800}
.feed-entry{display:grid;grid-template-columns:92px 1fr;gap:13px;padding:13px 0;border-top:1px solid #edf1f5}
.feed-cover{height:64px;border-radius:5px;background:linear-gradient(135deg,#d7eaf5,#f4fafc);border:1px solid #dceaf1;position:relative}
.feed-cover:after{content:"";position:absolute;left:11px;right:18px;bottom:14px;height:5px;background:#80b5d8}
.feed-entry h3{font-size:15px;margin:3px 0}
.feed-entry p{font-size:13px;line-height:1.55;color:var(--muted);margin:0}
.step{display:grid;grid-template-columns:38px 1fr;gap:14px;margin:20px 0}
.step-no{height:30px;width:30px;display:grid;place-items:center;background:#fff;border:1px solid #b6d5e9;color:var(--blue);font-weight:800;border-radius:50%;font-size:13px}
.step h3{font-size:17px;margin:0 0 4px}
.step p{margin:0;color:var(--muted);font-size:14px}
.features-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:18px}
.feature{border:1px solid var(--line);background:#fff;padding:24px;border-radius:8px;box-shadow:0 5px 18px rgba(28,62,97,.04);transition:.2s}
.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.feature:first-child{background:#1769aa;color:#fff}
.feature-icon{width:38px;height:38px;border-radius:6px;background:#e8f4fb;color:var(--blue);display:grid;place-items:center;font-size:19px;font-weight:800;margin-bottom:18px}
.feature:first-child .feature-icon{background:rgba(255,255,255,.18);color:#fff}
.feature h3{font-size:18px;margin-bottom:8px}
.feature p{font-size:14px;color:var(--muted);margin:0}
.feature:first-child p{color:#dceefd}
.results{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:center}
.result-main{padding:28px;border-left:4px solid var(--teal);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.result-main strong{font-size:46px;line-height:1;color:var(--teal);display:block;margin-bottom:12px}
.result-main p{color:var(--muted);margin:0}
.metrics{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.metric{background:#fff;border:1px solid var(--line);padding:19px;border-radius:8px}
.metric b{font-size:23px;color:var(--blue-dark);display:block}
.metric span{font-size:13px;color:var(--muted)}
.trendline{grid-column:1/-1;background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px}
.trend-bars{display:flex;align-items:flex-end;gap:9px;height:58px;margin-top:12px}
.trend-bars i{flex:1;background:#b7d6e9;border-radius:3px 3px 0 0}
.trend-bars i:nth-child(2),.trend-bars i:nth-child(5){background:#71afd2}
.trend-bars i:last-child{background:var(--teal)}
.testimonial-wrap{display:grid;grid-template-columns:220px 1fr;gap:35px;align-items:center}
.quote-title{border-right:1px solid var(--line);padding-right:26px}
.quote-mark{font-size:70px;line-height:.7;color:#bddced;font-family:Georgia,serif}
.quote-track{display:flex;gap:16px;overflow:auto;padding:8px 3px 18px}
.quote-card{min-width:330px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:22px;box-shadow:var(--shadow)}
.quote-card p{color:#455b70;font-size:15px}
.person{display:flex;align-items:center;gap:10px;margin-top:18px}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#d8ecf7;color:var(--blue-dark);font-weight:800}
.person b{font-size:14px;display:block}
.person small{font-size:12px;color:var(--muted)}
.news{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.news-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:42px}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:92px 1fr auto;gap:15px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}
.datebox{color:var(--blue);font-size:13px;font-weight:800}
.news-item h3{font-size:16px;margin:0 0 3px}
.news-item p{font-size:13px;color:var(--muted);margin:0}
.side-note{background:#f2f8fc;border:1px solid #d7e8f2;padding:24px;border-radius:8px}
.side-note h3{font-size:20px}
.side-note ul{padding-left:18px;color:#50677a;font-size:14px}
.side-note li{margin:11px 0}
.faq{max-width:850px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-q{width:100%;border:0;background:transparent;padding:20px 0;text-align:left;display:flex;justify-content:space-between;gap:18px;color:var(--ink);font-weight:800;font-size:16px}
.faq-q span:last-child{color:var(--blue);font-size:20px}
.faq-a{display:none;padding:0 34px 20px 0;color:var(--muted);font-size:14px}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
.cta{padding:74px 0;background:#eaf4fa;border-top:1px solid #d6e7f1}
.cta-box{position:relative;overflow:hidden;background:#fff;border:1px solid #cfe2ee;padding:38px;box-shadow:var(--shadow);border-radius:8px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}
.cta-box:after{content:"国产  分类  更新  指引";position:absolute;right:-15px;bottom:-20px;color:#e8f3f9;font-size:42px;font-weight:800;word-spacing:13px;z-index:0}
.cta-box>*{position:relative;z-index:1}
.cta h2{margin-bottom:8px}
.cta p{color:var(--muted);margin:0}
.form-section{padding:84px 0}
.form-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px}
.form-copy p{color:var(--muted)}
.contact-form{background:#fff;border:1px solid var(--line);padding:26px;border-radius:8px;box-shadow:var(--shadow)}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:15px}
.field label{font-size:14px;font-weight:700}
.field input,.field textarea,.field select{border:1px solid #cbdbe6;border-radius:6px;padding:10px 11px;background:#fff;color:var(--ink);outline:0;transition:.2s}
.field textarea{min-height:92px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,105,170,.13)}
.field input:invalid:not(:placeholder-shown){border-color:#c36b62}
.consent{font-size:13px;color:var(--muted);display:flex;gap:7px;align-items:flex-start;margin:10px 0 17px}
.success-note{display:none;color:var(--teal);font-size:14px;margin-top:12px}
.site-footer{background:#142738;color:#c7d5df;padding:57px 0 18px}
.footer-grid{display:grid;grid-template-columns:1.4fr .75fr .75fr 1fr;gap:30px}
.site-footer .logo{color:#fff}
.footer-brand p,.footer-col p{font-size:13px;color:#aebfcc;max-width:310px;margin-top:12px}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:12px}
.footer-col a{display:block;font-size:13px;color:#b9cad5;margin:8px 0}
.footer-col a:hover{color:#fff}
.footer-bottom{margin-top:39px;padding-top:16px;border-top:1px solid rgba(255,255,255,.15);display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#9cb0bf}
.top-link{color:#d9ecf8}
:focus-visible{outline:3px solid #e89437;outline-offset:3px}
@media(max-width:992px){
  .hero-stage,.solution-grid,.results,.form-grid{grid-template-columns:1fr;gap:30px}
  .stage-board{max-width:560px}
  .features-grid{grid-template-columns:1fr 1fr}
  .problem-layout{grid-template-columns:210px 1fr;gap:30px}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
}
@media(max-width:768px){
  .container{width:min(100% - 40px,var(--container))}
  .update-note,.trend{display:none}
  .menu-btn{display:inline-flex}
  .channel-row{display:none}
  .site-header.mobile-open .channel-row{display:block}
  .site-header.mobile-open .channels{height:auto;display:flex;flex-direction:column;align-items:stretch;padding:7px 0}
  .site-header.mobile-open .channel{padding:10px 4px}
  .hero-inner{padding-top:38px}
  h1{font-size:39px}
  .section{padding:64px 0}
  .problem-layout,.testimonial-wrap,.news-grid{grid-template-columns:1fr}
  .quote-title{border-right:0;border-bottom:1px solid var(--line);padding:0 0 20px}
  .big-number{font-size:70px}
  .problem-item{grid-template-columns:38px 1fr auto}
  .cta-box{grid-template-columns:1fr;padding:27px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  body{font-size:15px}
  .container{width:min(100% - 32px,var(--container))}
  .logo{font-size:17px}
  .logo-mark{width:24px;height:24px}
  h1{font-size:34px}
  h2{font-size:26px}
  .hero-points{gap:14px}
  .launch-line{align-items:flex-start;flex-direction:column}
  .features-grid,.metrics,.field-grid{grid-template-columns:1fr}
  .feature:first-child{grid-column:auto}
  .news-item{grid-template-columns:1fr}
  .news-item .arrow{display:none}
  .quote-card{min-width:278px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
 --blue:#1769aa;--blue-dark:#0e4f85;--blue-soft:#eaf4fb;--teal:#168a7a;
 --ink:#152334;--muted:#627386;--line:#dbe6ef;--bg:#f6f9fc;--white:#fff;
 --warm:#e89437;--radius:8px;--shadow:0 10px 28px rgba(28,62,97,.08);
 --shadow-hover:0 16px 36px rgba(28,62,97,.14);--container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%;height:auto}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(34px,4.5vw,52px);line-height:1.2;letter-spacing:0;margin-bottom:20px}
h2{font-size:clamp(25px,3vw,34px);line-height:1.3;margin-bottom:14px}
h3{line-height:1.4}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 3px 16px rgba(35,65,90,.05);backdrop-filter:blur(12px)}
.brand-row{min-height:58px;display:flex;align-items:center;gap:24px}
.logo{display:inline-flex;align-items:center;gap:9px;white-space:nowrap;font-size:20px;font-weight:800;color:var(--ink)}
.logo-mark{width:27px;height:27px;border:2px solid var(--blue);border-radius:6px;position:relative;background:#fff}
.logo-mark:before{content:"";position:absolute;left:8px;top:6px;border-left:8px solid var(--blue);border-top:5px solid transparent;border-bottom:5px solid transparent}
.update-note{font-size:13px;color:var(--muted);border-left:1px solid var(--line);padding-left:20px}
.header-actions{margin-left:auto;display:flex;gap:10px;align-items:center}
.icon-btn,.menu-btn{border:1px solid var(--line);background:#fff;color:var(--blue-dark);height:34px;min-width:38px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;transition:.2s}
.icon-btn:hover,.menu-btn:hover{border-color:var(--blue);background:var(--blue-soft)}
.menu-btn{display:none}
.channel-row{border-top:1px solid #edf2f6}
.channels{display:flex;align-items:center;gap:5px;min-height:48px;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel{padding:9px 15px;color:#53677a;font-size:14px;white-space:nowrap;border-bottom:2px solid transparent;transition:.2s}
.channel:hover{color:var(--blue);background:var(--blue-soft)}
.channel.active{color:var(--blue-dark);font-weight:800;border-bottom-color:var(--blue)}
.trend{margin-left:auto;color:var(--muted);font-size:13px;white-space:nowrap;padding-left:18px}
.tag,.topic-tag{display:inline-block;white-space:nowrap;border:1px solid var(--line);background:#fff;color:#486075;padding:4px 9px;border-radius:5px;font-size:12px;margin-left:5px}
.page-head{padding:52px 0 38px;background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:19px}
.breadcrumb a{color:var(--blue)}
.head-grid{display:grid;grid-template-columns:1fr 390px;gap:54px;align-items:end}
.head-copy{max-width:720px}
.head-copy p{color:var(--muted);max-width:700px;margin-bottom:23px}
.topic-tags{display:flex;flex-wrap:wrap;gap:8px}
.topic-tags .topic-tag{margin:0;background:var(--blue-soft);border-color:#d6eafa;color:var(--blue-dark)}
.head-visual{height:165px;border:1px solid #cbdfea;border-radius:8px;background:#eff7fc;position:relative;overflow:hidden;padding:19px}
.head-visual:before{content:"专题索引 / 公开信息";display:block;color:var(--blue-dark);font-size:13px;font-weight:800;margin-bottom:16px}
.index-lines{display:grid;gap:9px}
.index-line{height:10px;background:#fff;border-left:30px solid #9bc7e3;border-radius:2px;box-shadow:0 2px 5px rgba(23,105,170,.06)}
.index-line:nth-child(2){border-left-color:#74b5a9;width:78%}
.index-line:nth-child(3){width:88%;border-left-color:#d8a86d}
.index-line:nth-child(4){width:64%;border-left-color:#9bc7e3}
.search-box{display:flex;gap:8px;margin-top:22px}
.search-box input{width:100%;min-width:0;border:1px solid var(--line);border-radius:6px;padding:10px 13px;background:#fff;color:var(--ink);outline:none}
.search-box input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,105,170,.12)}
.btn{border:1px solid transparent;border-radius:6px;padding:10px 16px;font-size:14px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:7px;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 16px rgba(23,105,170,.18)}
.btn:focus-visible,.icon-btn:focus-visible,.menu-btn:focus-visible,.faq-q:focus-visible,.top-link:focus-visible{outline:3px solid rgba(232,148,55,.65);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-secondary{background:#fff;color:var(--blue);border-color:#a9cbe5}
.btn-secondary:hover{background:var(--blue-soft)}
.section{padding:78px 0}
.section-head{max-width:720px;margin-bottom:30px}
.eyebrow{font-size:13px;color:var(--teal);font-weight:800;margin-bottom:8px}
.section-head p{color:var(--muted);margin-bottom:0}
.explore-bar{display:flex;gap:9px;overflow-x:auto;padding-bottom:5px;scrollbar-width:thin}
.explore-bar a{padding:9px 15px;background:#fff;border:1px solid var(--line);border-radius:6px;color:#4e6477;white-space:nowrap;transition:.2s}
.explore-bar a:hover,.explore-bar a.active{color:var(--blue-dark);border-color:#a9cbe5;background:var(--blue-soft)}
.timeline-layout{display:grid;grid-template-columns:220px 1fr;gap:56px;align-items:start}
.timeline-nav{position:sticky;top:130px;border-left:2px solid #cfe2ee;padding-left:20px}
.timeline-nav a{display:block;padding:9px 0;color:var(--muted);font-size:14px}
.timeline-nav a:hover{color:var(--blue)}
.timeline-nav a strong{display:block;color:var(--blue);font-size:20px;line-height:1.2}
.topic-group{padding:0 0 47px;margin-bottom:47px;border-bottom:1px solid var(--line)}
.topic-group:last-child{margin-bottom:0}
.group-label{color:var(--blue);font-weight:800;font-size:14px;letter-spacing:.04em}
.group-title{font-size:25px;margin:5px 0 8px}
.group-intro{color:var(--muted);max-width:700px;margin-bottom:22px}
.feature-row{display:grid;grid-template-columns:150px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);padding:15px;border-radius:8px;box-shadow:var(--shadow);transition:.2s}
.feature-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.thumb{height:94px;border-radius:6px;background:#eaf4fb;position:relative;overflow:hidden;border:1px solid #d4e7f1}
.thumb:before{content:"";position:absolute;inset:17px 14px;background:repeating-linear-gradient(to bottom,#9bc8e2 0 7px,transparent 7px 17px);opacity:.8}
.thumb:after{content:"";position:absolute;width:48px;height:48px;right:10px;bottom:-15px;background:#168a7a;opacity:.16;transform:rotate(35deg)}
.feature-row h3{font-size:18px;margin:0 0 5px}
.feature-row p{font-size:14px;color:var(--muted);margin:0}
.row-meta{font-size:12px;color:var(--muted);margin-top:7px}
.arrow{font-size:22px;color:var(--blue)}
.link-list{display:grid;grid-template-columns:1fr 1fr;gap:0 30px;margin-top:15px}
.link-list a{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid #e6eef4;color:#3c566d;font-size:14px}
.link-list a:hover{color:var(--blue)}
.focus-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:stretch}
.focus-panel{background:#fff;border:1px solid var(--line);border-radius:8px;padding:27px;box-shadow:var(--shadow)}
.focus-panel.blue{background:#eef7fc}
.focus-panel h3{font-size:21px;margin-bottom:12px}
.focus-panel p{color:var(--muted);font-size:14px}
.note-list{margin:18px 0 0;padding:0;list-style:none}
.note-list li{position:relative;padding:10px 0 10px 24px;border-top:1px solid #dbe8ef;color:#435d71;font-size:14px}
.note-list li:before{content:"";position:absolute;left:2px;top:19px;width:8px;height:8px;border-radius:50%;background:var(--teal)}
.faq{max-width:850px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-q{width:100%;border:0;background:transparent;padding:19px 0;text-align:left;display:flex;justify-content:space-between;gap:18px;color:var(--ink);font-weight:800;font-size:16px}
.faq-q span:last-child{color:var(--blue);font-size:20px}
.faq-a{display:none;padding:0 34px 20px 0;color:var(--muted);font-size:15px}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
.cta{padding:58px 0;background:var(--blue-soft);border-top:1px solid #d8eaf5;border-bottom:1px solid #d8eaf5}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{margin-bottom:9px}
.cta p{color:var(--muted);margin:0;max-width:650px}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0}
.contact-section{padding:78px 0}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:58px}
.contact-copy p{color:var(--muted)}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:8px;padding:26px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:14px;font-weight:700}
.field input,.field textarea,.field select{border:1px solid var(--line);border-radius:6px;padding:10px 12px;background:#fff;color:var(--ink);outline:none}
.field textarea{min-height:105px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,105,170,.12)}
.agree{font-size:13px;color:var(--muted);margin:15px 0}
.form-status{display:none;color:var(--teal);font-size:14px;margin:12px 0 0}
.site-footer{background:#fff;border-top:1px solid var(--line);padding:48px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1fr;gap:34px}
.footer-brand p,.footer-col p{color:var(--muted);font-size:14px;margin:14px 0 0}
.footer-col{display:flex;flex-direction:column;gap:7px}
.footer-col h3{font-size:15px;margin:0 0 8px}
.footer-col a{font-size:14px;color:#526a7f}
.footer-col a:hover{color:var(--blue)}
.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:36px;padding-top:18px;color:#7a8997;font-size:13px}
.top-link{color:var(--blue)}
@media(max-width:992px){
 .head-grid,.focus-grid{grid-template-columns:1fr}
 .head-visual{max-width:500px}
 .timeline-layout{grid-template-columns:170px 1fr;gap:30px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 40px))}
 .update-note{display:none}
 .menu-btn{display:inline-flex}
 .channel-row{display:none}
 .site-header.menu-open .channel-row{display:block}
 .site-header.menu-open .channels{display:flex;flex-direction:column;align-items:stretch;padding:10px 0 15px;overflow:visible}
 .site-header.menu-open .channel{text-align:left}
 .site-header.menu-open .trend{margin:5px 0 0;padding:9px 15px;white-space:normal}
 .page-head{padding:38px 0 30px}
 .section{padding:60px 0}
 .timeline-layout{display:block}
 .timeline-nav{position:static;display:flex;gap:18px;overflow-x:auto;border-left:0;border-bottom:1px solid var(--line);padding:0 0 14px;margin-bottom:35px}
 .timeline-nav a{min-width:100px;padding:0}
 .feature-row{grid-template-columns:105px 1fr}
 .feature-row .arrow{grid-column:2}
 .thumb{height:76px}
 .cta-inner,.contact-grid{display:grid;grid-template-columns:1fr;gap:23px}
 .footer-grid{gap:25px}
}
@media(max-width:480px){
 .container{width:calc(100% - 32px)}
 h1{font-size:34px}
 .brand-row{gap:10px}
 .logo{font-size:17px}
 .head-visual{height:140px}
 .search-box{flex-direction:column}
 .search-box .btn{width:100%}
 .feature-row{grid-template-columns:1fr}
 .feature-row .arrow{grid-column:auto}
 .thumb{height:105px}
 .link-list,.form-grid{grid-template-columns:1fr}
 .field.full{grid-column:auto}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{display:block}
 .top-link{display:block;margin-top:8px}
}

/* roulang page: category1 */
:root{
 --blue:#1769aa;
 --blue-dark:#0e4f85;
 --blue-soft:#eaf4fb;
 --teal:#168a7a;
 --ink:#152334;
 --muted:#627386;
 --line:#dbe6ef;
 --bg:#f6f9fc;
 --white:#fff;
 --warm:#e89437;
 --danger:#bd3e3e;
 --success:#147665;
 --radius:8px;
 --shadow:0 10px 28px rgba(28,62,97,.08);
 --shadow-hover:0 16px 36px rgba(28,62,97,.14);
 --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 background:var(--bg);
 color:var(--ink);
 font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
 font-size:16px;
 line-height:1.75;
 overflow-wrap:break-word;
}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%;background:#edf3f7}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{line-height:1.3}
input,textarea,select{color:var(--ink)}
::selection{background:#cfe7f8;color:var(--ink)}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.skip-link{position:fixed;left:16px;top:-70px;z-index:100;background:var(--blue-dark);color:#fff;padding:10px 14px;border-radius:6px;transition:.2s}
.skip-link:focus{top:12px}
.site-header{
 position:sticky;
 top:0;
 z-index:50;
 background:rgba(255,255,255,.96);
 border-bottom:1px solid var(--line);
 box-shadow:0 3px 16px rgba(35,65,90,.04);
 backdrop-filter:blur(12px);
 transition:background .2s,box-shadow .2s;
}
.site-header.scrolled{background:#fff;box-shadow:0 7px 20px rgba(28,62,97,.09)}
.brand-row{min-height:58px;display:flex;align-items:center;gap:24px}
.logo{display:inline-flex;align-items:center;gap:9px;white-space:nowrap;font-size:20px;font-weight:800;color:var(--ink)}
.logo-mark{width:27px;height:27px;border:2px solid var(--blue);border-radius:6px;position:relative;background:#fff;flex:0 0 auto}
.logo-mark:before{content:"";position:absolute;left:8px;top:6px;border-left:8px solid var(--blue);border-top:5px solid transparent;border-bottom:5px solid transparent}
.update-note{font-size:13px;color:var(--muted);padding-left:22px;border-left:1px solid var(--line)}
.header-actions{margin-left:auto;display:flex;gap:10px;align-items:center}
.icon-btn,.menu-btn{
 border:1px solid var(--line);
 background:#fff;
 color:var(--blue-dark);
 height:34px;
 min-width:38px;
 border-radius:6px;
 display:inline-flex;
 align-items:center;
 justify-content:center;
 transition:.2s;
}
.icon-btn:hover,.menu-btn:hover{border-color:var(--blue);background:var(--blue-soft)}
.menu-btn{display:none}
.channel-row{border-top:1px solid #edf2f6}
.channels{min-height:46px;display:flex;align-items:center;gap:4px}
.channel{
 position:relative;
 display:inline-flex;
 align-items:center;
 min-height:46px;
 padding:0 14px;
 color:#475d71;
 font-size:14px;
 font-weight:700;
 transition:.2s;
}
.channel:hover{color:var(--blue);background:#f3f8fc}
.channel.active{color:var(--blue);background:#f1f8fd}
.channel.active:after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--blue)}
.trend{margin-left:auto;display:flex;align-items:center;gap:7px;color:var(--muted);font-size:12px}
.tag{
 display:inline-flex;
 align-items:center;
 white-space:nowrap;
 border:1px solid var(--line);
 background:#fff;
 color:#486075;
 padding:5px 10px;
 border-radius:5px;
 font-size:13px;
 transition:.2s;
}
.tag:hover,.tag.active{border-color:#9bc6e5;background:var(--blue-soft);color:var(--blue-dark)}
.badge,.kicker{
 display:inline-flex;
 align-items:center;
 gap:6px;
 font-size:13px;
 font-weight:700;
 color:var(--blue-dark);
 background:var(--blue-soft);
 border:1px solid #d6eafa;
 border-radius:5px;
 padding:4px 9px;
}
.badge.teal{color:#106f62;background:#eaf7f4;border-color:#cae8e1}
.badge.warm{color:#8b5618;background:#fff6e8;border-color:#f0d7ae}
.btn{
 border:1px solid transparent;
 border-radius:6px;
 padding:11px 17px;
 font-size:15px;
 font-weight:700;
 display:inline-flex;
 align-items:center;
 justify-content:center;
 gap:7px;
 transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 16px rgba(23,105,170,.18)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-secondary{background:#fff;color:var(--blue);border-color:#a9cbe5}
.btn-secondary:hover{background:var(--blue-soft)}
.btn:disabled{cursor:not-allowed;opacity:.55;transform:none;box-shadow:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
 outline:3px solid rgba(232,148,55,.55);
 outline-offset:3px;
}
.category-head{
 position:relative;
 overflow:hidden;
 background:#fff;
 border-bottom:1px solid var(--line);
}
.category-head:before{
 content:"";
 position:absolute;
 inset:0;
 background-image:linear-gradient(rgba(23,105,170,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(23,105,170,.04) 1px,transparent 1px);
 background-size:28px 28px;
 pointer-events:none;
}
.category-head-inner{position:relative;padding:48px 0 42px}
.breadcrumb{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;margin-bottom:19px}
.breadcrumb a:hover{color:var(--blue)}
.head-layout{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:62px;align-items:end}
.category-head h1{font-size:44px;margin:12px 0 16px;max-width:760px}
.category-head .lead{color:#53677b;max-width:760px;margin-bottom:21px}
.head-tags{display:flex;gap:9px;flex-wrap:wrap}
.search-panel{
 background:#fff;
 border:1px solid var(--line);
 box-shadow:var(--shadow);
 border-radius:var(--radius);
 padding:18px;
}
.search-panel label{display:block;font-size:14px;font-weight:800;margin-bottom:9px}
.search-box{display:flex;gap:8px}
.search-box input{
 min-width:0;
 width:100%;
 height:44px;
 border:1px solid #cbdbe7;
 background:#fbfdff;
 border-radius:6px;
 padding:0 13px;
 transition:.2s;
}
.search-box input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,105,170,.09);outline:0;background:#fff}
.search-hint{display:block;color:var(--muted);font-size:12px;margin-top:8px}
.section{padding:88px 0}
.section-white{background:#fff}
.section-soft{background:var(--blue-soft);border-top:1px solid #dcebf5;border-bottom:1px solid #dcebf5}
.section-head{max-width:740px;margin-bottom:32px}
.section-head h2{font-size:30px;margin:7px 0 10px}
.section-head p{color:var(--muted);margin-bottom:0}
.eyebrow{font-size:13px;color:var(--teal);font-weight:800;margin-bottom:8px}
.explorer-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:30px;align-items:start}
.filter-toggle{display:none;width:100%;margin-bottom:16px}
.filter-panel{
 position:sticky;
 top:124px;
 background:#fff;
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:20px;
 box-shadow:0 7px 20px rgba(28,62,97,.05);
}
.filter-panel h2{font-size:17px;margin-bottom:18px}
.filter-group{padding:17px 0;border-top:1px solid var(--line)}
.filter-group:first-of-type{border-top:0;padding-top:0}
.filter-label{font-weight:800;font-size:13px;margin-bottom:10px;color:#40576b}
.filter-option{
 width:100%;
 border:0;
 background:transparent;
 color:var(--muted);
 text-align:left;
 padding:8px 9px;
 border-radius:5px;
 display:flex;
 justify-content:space-between;
 gap:8px;
 transition:.2s;
}
.filter-option:hover{background:#f1f7fb;color:var(--blue)}
.filter-option.active{background:var(--blue-soft);color:var(--blue-dark);font-weight:800}
.filter-option span:last-child{font-size:12px;color:#8797a6}
.filter-note{font-size:12px;color:var(--muted);margin:14px 0 0}
.feed-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px}
.result-count{font-size:14px;color:var(--muted)}
.result-count strong{color:var(--ink)}
.sort-select{
 height:40px;
 border:1px solid var(--line);
 border-radius:6px;
 background:#fff;
 padding:0 34px 0 12px;
}
.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:start}
.content-card{
 overflow:hidden;
 background:#fff;
 border:1px solid var(--line);
 border-radius:var(--radius);
 box-shadow:0 5px 18px rgba(28,62,97,.05);
 transition:.22s;
}
.content-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#c2d9e9}
.content-card.featured{grid-column:1/-1;display:grid;grid-template-columns:1.06fr .94fr}
.card-visual{position:relative;overflow:hidden;aspect-ratio:16/10;background:#eaf1f6}
.card-visual img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.content-card:hover .card-visual img{transform:scale(1.025)}
.card-visual:after{content:"";position:absolute;inset:auto 0 0;height:36%;background:linear-gradient(transparent,rgba(14,79,133,.13))}
.featured .card-visual{aspect-ratio:auto;min-height:318px}
.visual-number{
 position:absolute;
 top:13px;
 right:13px;
 z-index:2;
 color:#fff;
 background:rgba(14,79,133,.82);
 border:1px solid rgba(255,255,255,.55);
 border-radius:5px;
 padding:3px 8px;
 font-size:12px;
 font-weight:800;
}
.card-body{padding:20px}
.featured .card-body{padding:30px;display:flex;flex-direction:column;justify-content:center}
.card-meta{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:12px}
.card-time{color:var(--muted);font-size:12px}
.content-card h3{font-size:19px;margin-bottom:9px}
.featured h3{font-size:26px}
.content-card p{color:var(--muted);font-size:14px;margin-bottom:17px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
.featured p{-webkit-line-clamp:3}
.card-link{display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-weight:800;font-size:14px}
.card-link:hover{color:var(--blue-dark);gap:9px}
.empty-state{display:none;grid-column:1/-1;padding:42px;text-align:center;background:#fff;border:1px dashed #afc9dc;border-radius:var(--radius);color:var(--muted)}
.guide-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:70px;align-items:start}
.guide-summary{
 background:#fff;
 border:1px solid #cfe3f1;
 border-left:4px solid var(--blue);
 border-radius:var(--radius);
 padding:27px;
 box-shadow:var(--shadow);
}
.guide-summary h2{font-size:29px;margin:10px 0}
.guide-summary p{color:var(--muted)}
.check-list{padding:0;margin:20px 0 0;list-style:none}
.check-list li{position:relative;padding:10px 0 10px 28px;border-top:1px solid var(--line)}
.check-list li:before{content:"✓";position:absolute;left:2px;color:var(--teal);font-weight:900}
.step-list{counter-reset:step}
.step-item{position:relative;padding:0 0 30px 67px}
.step-item:last-child{padding-bottom:0}
.step-item:before{
 counter-increment:step;
 content:"0" counter(step);
 position:absolute;
 left:0;
 top:0;
 width:45px;
 height:45px;
 display:grid;
 place-items:center;
 color:var(--blue);
 background:#fff;
 border:1px solid #b9d7ea;
 border-radius:6px;
 font-size:13px;
 font-weight:900;
}
.step-item:not(:last-child):after{content:"";position:absolute;left:22px;top:51px;bottom:7px;border-left:1px dashed #9fc3da}
.step-item h3{font-size:18px;margin-bottom:6px}
.step-item p{color:var(--muted);font-size:14px;margin:0}
.scenario-layout{display:grid;grid-template-columns:1fr 1.15fr;gap:46px;align-items:stretch}
.scene-visual{
 min-height:420px;
 overflow:hidden;
 position:relative;
 border-radius:var(--radius);
 border:1px solid var(--line);
 box-shadow:var(--shadow);
 background:#dceaf3;
}
.scene-visual img{width:100%;height:100%;object-fit:cover}
.scene-caption{position:absolute;left:18px;right:18px;bottom:18px;background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.8);padding:16px;border-radius:6px}
.scene-caption strong{display:block;margin-bottom:3px}
.scene-caption span{font-size:13px;color:var(--muted)}
.scenario-list{border-top:1px solid var(--line)}
.scenario-item{
 display:grid;
 grid-template-columns:46px 1fr;
 gap:16px;
 padding:21px 0;
 border-bottom:1px solid var(--line);
}
.scenario-item .num{color:var(--blue);font-size:13px;font-weight:900}
.scenario-item h3{font-size:17px;margin-bottom:5px}
.scenario-item p{color:var(--muted);font-size:14px;margin:0}
.explore-strip{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.explore-card{
 position:relative;
 overflow:hidden;
 min-height:230px;
 background:#fff;
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:28px;
 box-shadow:var(--shadow);
 transition:.2s;
}
.explore-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.explore-card.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.explore-card:after{
 content:"";
 position:absolute;
 right:-30px;
 bottom:-48px;
 width:165px;
 height:165px;
 border:24px solid rgba(23,105,170,.08);
 border-radius:50%;
}
.explore-card.primary:after{border-color:rgba(255,255,255,.12)}
.explore-card h3{font-size:23px;margin:16px 0 9px;position:relative;z-index:1}
.explore-card p{max-width:480px;color:var(--muted);font-size:14px;position:relative;z-index:1}
.explore-card.primary p{color:#dceefd}
.explore-card .card-link{position:relative;z-index:1}
.explore-card.primary .card-link{color:#fff}
.faq-wrap{display:grid;grid-template-columns:270px minmax(0,1fr);gap:66px}
.faq-intro h2{font-size:30px;margin:8px 0 12px}
.faq-intro p{color:var(--muted)}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-q{
 width:100%;
 border:0;
 background:transparent;
 padding:20px 0;
 text-align:left;
 display:flex;
 justify-content:space-between;
 align-items:center;
 gap:18px;
 color:var(--ink);
 font-weight:800;
 font-size:16px;
}
.faq-q:hover{color:var(--blue)}
.faq-icon{color:var(--blue);font-size:21px;transition:transform .2s}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg)}
.faq-a{display:none;padding:0 42px 20px 0;color:var(--muted)}
.faq-a.open{display:block}
.faq-a p{margin:0}
.contact-panel{
 background:#fff;
 border:1px solid var(--line);
 border-radius:var(--radius);
 box-shadow:var(--shadow);
 display:grid;
 grid-template-columns:.72fr 1.28fr;
 overflow:hidden;
}
.contact-copy{padding:38px;background:#eef7fc;border-right:1px solid #d3e6f2}
.contact-copy h2{font-size:29px;margin:10px 0 14px}
.contact-copy p{color:var(--muted)}
.contact-points{margin:23px 0 0;padding:0;list-style:none}
.contact-points li{padding:9px 0;border-top:1px solid #d5e5ef;font-size:14px}
.contact-form{padding:38px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}
.form-field.full{grid-column:1/-1}
.form-field label{display:block;font-size:13px;font-weight:800;margin-bottom:7px}
.form-field input,.form-field select,.form-field textarea{
 width:100%;
 border:1px solid #cbdbe7;
 border-radius:6px;
 background:#fbfdff;
 padding:11px 12px;
 transition:.2s;
}
.form-field textarea{min-height:116px;resize:vertical}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
 border-color:var(--blue);
 box-shadow:0 0 0 4px rgba(23,105,170,.09);
 background:#fff;
 outline:0;
}
.form-field.error input,.form-field.error textarea{border-color:var(--danger)}
.form-error{display:none;color:var(--danger);font-size:12px;margin-top:5px}
.form-field.error .form-error{display:block}
.consent{display:flex;gap:9px;align-items:flex-start;color:var(--muted);font-size:13px;margin:18px 0}
.consent input{margin-top:6px}
.form-actions{display:flex;align-items:center;gap:15px;flex-wrap:wrap}
.form-status{font-size:13px;color:var(--success)}
.site-footer{background:#fff;border-top:1px solid var(--line);padding-top:53px}
.footer-grid{display:grid;grid-template-columns:1.5fr .75fr .75fr 1fr;gap:45px;padding-bottom:40px}
.footer-brand p,.footer-col p{color:var(--muted);font-size:14px;margin:15px 0 0;max-width:350px}
.footer-col h3{font-size:15px;margin:0 0 13px}
.footer-col a{display:block;color:var(--muted);font-size:14px;padding:4px 0;transition:.2s}
.footer-col a:hover{color:var(--blue);transform:translateX(2px)}
.footer-bottom{
 min-height:62px;
 border-top:1px solid var(--line);
 display:flex;
 align-items:center;
 justify-content:space-between;
 gap:20px;
 color:var(--muted);
 font-size:13px;
}
.top-link{color:var(--blue);font-weight:800}
@media (max-width:1200px){
 .head-layout{grid-template-columns:minmax(0,1fr) 350px;gap:38px}
 .category-head h1{font-size:40px}
 .container{width:min(var(--container),calc(100% - 40px))}
}
@media (max-width:992px){
 .update-note{display:none}
 .trend{display:none}
 .head-layout{grid-template-columns:1fr}
 .search-panel{max-width:650px}
 .explorer-layout{grid-template-columns:1fr}
 .filter-toggle{display:flex}
 .filter-panel{display:none;position:static}
 .filter-panel.open{display:block;margin-bottom:20px}
 .filter-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
 .filter-label{width:100%}
 .filter-option{width:auto;border:1px solid var(--line)}
 .guide-layout,.scenario-layout{grid-template-columns:1fr;gap:36px}
 .scene-visual{min-height:360px}
 .faq-wrap{grid-template-columns:1fr;gap:20px}
 .contact-panel{grid-template-columns:1fr}
 .contact-copy{border-right:0;border-bottom:1px solid #d3e6f2}
 .footer-grid{grid-template-columns:1.2fr 1fr 1fr}
 .footer-col:last-child{grid-column:1/-1}
}
@media (max-width:768px){
 .container{width:calc(100% - 32px)}
 .brand-row{min-height:56px}
 .logo{font-size:17px}
 .menu-btn{display:inline-flex}
 .channel-row{
  display:none;
  position:fixed;
  z-index:49;
  left:0;
  right:0;
  top:57px;
  max-height:calc(100vh - 57px);
  overflow:auto;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 18px 30px rgba(28,62,97,.13);
 }
 .channel-row.open{display:block}
 .channels{display:flex;flex-direction:column;align-items:stretch;padding:10px 16px 18px;gap:3px}
 .channel{min-height:44px;border-radius:6px}
 .channel.active:after{left:0;top:9px;bottom:9px;width:3px;height:auto}
 .category-head-inner{padding:35px 0 32px}
 .category-head h1{font-size:34px}
 .section{padding:64px 0}
 .section-head h2,.faq-intro h2{font-size:26px}
 .content-grid{grid-template-columns:1fr}
 .content-card.featured{grid-column:auto;display:block}
 .featured .card-visual{min-height:0;aspect-ratio:16/10}
 .featured .card-body{padding:22px}
 .featured h3{font-size:21px}
 .explore-strip{grid-template-columns:1fr}
 .form-grid{grid-template-columns:1fr}
 .form-field.full{grid-column:auto}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
 .footer-brand{grid-column:1/-1}
 .footer-col:last-child{grid-column:1/-1}
}
@media (max-width:520px){
 body{font-size:15px}
 .container{width:calc(100% - 32px)}
 .header-actions{gap:6px}
 .category-head h1{font-size:31px}
 .breadcrumb{flex-wrap:wrap}
 .search-box{flex-direction:column}
 .search-box .btn{width:100%}
 .head-tags{overflow-x:auto;flex-wrap:nowrap;padding-bottom:5px}
 .section{padding:56px 0}
 .feed-toolbar{align-items:flex-start;flex-direction:column}
 .sort-select{width:100%}
 .card-body,.featured .card-body{padding:18px}
 .guide-summary{padding:21px}
 .step-item{padding-left:58px}
 .scene-visual{min-height:310px}
 .explore-card{padding:23px}
 .contact-copy,.contact-form{padding:24px 20px}
 .form-actions .btn{width:100%}
 .footer-grid{grid-template-columns:1fr}
 .footer-brand,.footer-col:last-child{grid-column:auto}
 .footer-bottom{padding:16px 0;align-items:flex-start;flex-direction:column}
}