/* roulang page: index */
:root{
      --ink:#172033;
      --ink-soft:#536078;
      --coral:#ff5d55;
      --coral-deep:#e94842;
      --gold:#f3bd62;
      --cream:#fff8ed;
      --mist:#f4f6fa;
      --paper:#ffffff;
      --line:#e8ebf2;
      --radius-lg:28px;
      --radius-md:18px;
      --shadow:0 18px 50px rgba(28,36,58,.10);
      --shadow-coral:0 24px 60px rgba(255,93,85,.18);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#fff;color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(243,189,98,.85);outline-offset:4px}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
    .eyebrow:before{content:"";width:24px;height:3px;border-radius:9px;background:var(--gold)}
    .section{padding:104px 0}
    .section-head{max-width:690px;margin-bottom:42px}
    .section-head h2{margin:14px 0 14px;font-size:clamp(30px,4vw,52px);line-height:1.18;letter-spacing:-.04em}
    .section-head p{margin:0;color:var(--ink-soft);font-size:17px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 23px;border:1px solid transparent;border-radius:999px;font-weight:800;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease}
    .btn:hover{transform:translateY(-3px)}
    .btn-primary{color:#fff;background:var(--coral);box-shadow:0 12px 26px rgba(255,93,85,.25)}
    .btn-primary:hover{background:var(--coral-deep);box-shadow:var(--shadow-coral)}
    .btn-light{color:var(--ink);background:#fff;border-color:rgba(255,255,255,.5);box-shadow:0 10px 25px rgba(20,25,40,.12)}
    .btn-outline{color:var(--ink);background:#fff;border-color:var(--line)}
    .btn-outline:hover{border-color:var(--coral);color:var(--coral)}
    .tag{display:inline-flex;align-items:center;padding:6px 11px;border-radius:999px;background:#fff1ed;color:var(--coral);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(232,235,242,.85)}
    .brand-row{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:950;letter-spacing:-.06em}
    .brand-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:13px;color:#fff;background:linear-gradient(135deg,var(--coral),#ff9470);box-shadow:0 8px 18px rgba(255,93,85,.25);font-size:19px}
    .brand small{display:block;margin-top:-4px;color:#8b94a7;font-size:10px;font-weight:700;letter-spacing:.14em;line-height:1}
    .brand-actions{display:flex;align-items:center;gap:12px}
    .nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
    .channel-row{border-top:1px solid #f1f2f6}
    .channel-nav{display:flex;align-items:center;gap:8px;min-height:54px;overflow-x:auto;scrollbar-width:none}
    .channel-nav::-webkit-scrollbar{display:none}
    .channel-nav a{position:relative;white-space:nowrap;padding:13px 16px;color:#647087;font-size:14px;font-weight:750;transition:color .2s ease,background .2s ease}
    .channel-nav a:hover,.channel-nav a.active{color:var(--coral)}
    .channel-nav a.active:after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:4px;background:var(--coral)}
    .hero{position:relative;isolation:isolate;overflow:hidden;min-height:690px;display:flex;align-items:center;background:var(--ink);color:#fff}
    .hero:before{content:"";position:absolute;inset:0;z-index:-2;background-image:linear-gradient(90deg,rgba(13,20,37,.96) 0%,rgba(13,20,37,.76) 46%,rgba(13,20,37,.3) 100%),url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center}
    .hero:after{content:"";position:absolute;z-index:-1;right:-12%;bottom:-42%;width:760px;height:760px;border:1px solid rgba(243,189,98,.32);border-radius:50%;box-shadow:0 0 0 80px rgba(243,189,98,.04),0 0 0 160px rgba(243,189,98,.025);transform:rotate(-18deg)}
    .hero-inner{position:relative;width:100%;padding:92px 0 110px}
    .hero-copy{max-width:700px}
    .hero-kicker{display:inline-flex;align-items:center;gap:9px;padding:8px 14px;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:#ffe2ae;background:rgba(255,255,255,.08);font-size:13px;font-weight:800}
    .hero-kicker i{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(243,189,98,.16)}
    .hero h1{margin:23px 0 20px;max-width:720px;font-size:clamp(44px,7vw,82px);line-height:1.07;letter-spacing:-.075em}
    .hero h1 em{color:#ffc976;font-style:normal}
    .hero-text{max-width:650px;margin:0;color:rgba(255,255,255,.78);font-size:18px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:32px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:38px;color:rgba(255,255,255,.68);font-size:13px}
    .hero-meta strong{display:block;margin-bottom:1px;color:#fff;font-size:22px;line-height:1.2}
    .hero-sticker{position:absolute;right:6%;top:16%;display:grid;place-items:center;width:126px;height:126px;padding:18px;text-align:center;color:var(--ink);background:var(--gold);font-size:14px;font-weight:950;line-height:1.35;transform:rotate(9deg);clip-path:polygon(50% 0%,61% 10%,76% 6%,84% 19%,99% 26%,92% 42%,100% 56%,87% 68%,88% 84%,70% 86%,59% 100%,47% 88%,30% 96%,23% 80%,7% 75%,12% 58%,0 46%,12% 34%,7% 17%,26% 16%,36% 2%)}
    .slash-band{position:absolute;left:-4%;right:-4%;bottom:-39px;height:84px;background:#fff;transform:rotate(-2.5deg);border-radius:50% 50% 0 0/100% 100% 0 0}
    .proof-strip{position:relative;margin-top:-1px;padding:25px 0;background:#fff;border-bottom:1px solid var(--line)}
    .proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .proof-item{display:flex;align-items:center;gap:13px;padding:10px 18px;border-right:1px solid var(--line)}
    .proof-item:last-child{border-right:0}
    .proof-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;background:var(--cream);color:var(--coral);font-weight:900}
    .proof-item strong{display:block;font-size:19px;line-height:1.2}
    .proof-item span{color:#7c8799;font-size:12px}
    .intro-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    .intro-media{position:relative}
    .intro-media img{width:100%;height:470px;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
    .media-note{position:absolute;right:-24px;bottom:28px;width:210px;padding:18px;border-radius:18px;background:#fff;box-shadow:var(--shadow);border:1px solid var(--line)}
    .media-note strong{display:block;font-size:26px;color:var(--coral);line-height:1.2}
    .media-note span{color:var(--ink-soft);font-size:13px}
    .rich-copy h2{margin:13px 0 18px;font-size:clamp(30px,4vw,48px);line-height:1.2;letter-spacing:-.05em}
    .rich-copy p{color:var(--ink-soft);font-size:16px}
    .check-list{display:grid;gap:13px;margin:25px 0 0;padding:0;list-style:none}
    .check-list li{display:flex;gap:11px;align-items:flex-start;color:#425069;font-size:15px}
    .check-list b{flex:none;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#fff0eb;color:var(--coral);font-size:12px}
    .warm-section{background:var(--cream)}
    .feature-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .feature-card{position:relative;min-height:270px;padding:30px;border-radius:var(--radius-lg);overflow:hidden;background:#fff;border:1px solid rgba(232,216,194,.75);transition:transform .25s ease,box-shadow .25s ease}
    .feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
    .feature-card.large{grid-row:span 2;min-height:558px;color:#fff;background:var(--ink)}
    .feature-card.large:after{content:"";position:absolute;inset:auto -10% -18% 20%;height:270px;background:url("/assets/images/coverpic/cover-2.webp") center/cover;border-radius:50%;opacity:.6;mix-blend-mode:screen}
    .feature-card h3{position:relative;z-index:1;margin:18px 0 9px;font-size:25px;line-height:1.3}
    .feature-card p{position:relative;z-index:1;margin:0;color:var(--ink-soft);font-size:14px}
    .feature-card.large p{color:rgba(255,255,255,.68);max-width:330px}
    .feature-num{font-size:13px;font-weight:900;color:var(--coral)}
    .feature-card.large .feature-num{color:var(--gold)}
    .feature-orb{position:absolute;right:24px;top:25px;width:68px;height:68px;border-radius:24px;background:#fff0ec}
    .feature-orb:after{content:"✦";position:absolute;inset:0;display:grid;place-items:center;color:var(--coral);font-size:27px}
    .feature-card.large .feature-orb{background:rgba(255,255,255,.12)}
    .feature-card.large .feature-orb:after{color:var(--gold)}
    .split-band{background:#f5f7fb}
    .split-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:72px;align-items:center}
    .quote-panel{position:relative;padding:48px;border-radius:var(--radius-lg);color:#fff;background:linear-gradient(140deg,#252d46,#171e32);overflow:hidden}
    .quote-panel:after{content:"“";position:absolute;right:28px;top:-18px;color:rgba(255,201,118,.22);font-size:190px;font-family:Georgia,serif;line-height:1}
    .quote-panel blockquote{position:relative;z-index:1;margin:0;font-size:26px;line-height:1.55;letter-spacing:-.03em}
    .quote-person{position:relative;z-index:1;display:flex;align-items:center;gap:12px;margin-top:30px}
    .avatar{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;color:var(--ink);background:var(--gold);font-weight:900}
    .quote-person span{display:block;color:rgba(255,255,255,.56);font-size:12px}
    .quote-person strong{font-size:14px}
    .testimonial-list{display:grid;gap:16px}
    .testimonial{display:grid;grid-template-columns:44px 1fr auto;gap:15px;align-items:start;padding:22px;border-radius:18px;background:#fff;border:1px solid var(--line);transition:box-shadow .2s ease,transform .2s ease}
    .testimonial:hover{transform:translateX(4px);box-shadow:var(--shadow)}
    .testimonial p{margin:0;color:#4c5a71;font-size:14px}
    .testimonial strong{display:block;margin-top:8px;font-size:14px}
    .testimonial small{color:#9aa3b3}
    .stars{color:var(--coral);letter-spacing:2px;font-size:13px}
    .journey{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .journey-step{position:relative;padding:27px 25px 10px 0;border-right:1px solid var(--line)}
    .journey-step:not(:first-child){padding-left:25px}
    .journey-step:last-child{border-right:0}
    .journey-step:before{content:"";position:absolute;top:-7px;left:0;width:13px;height:13px;border:3px solid #fff;border-radius:50%;background:var(--coral);box-shadow:0 0 0 1px var(--coral)}
    .journey-step:first-child:before{left:0}
    .journey-step h3{margin:0 0 9px;font-size:19px}
    .journey-step p{margin:0;color:var(--ink-soft);font-size:14px}
    .journey-step span{display:block;margin-bottom:12px;color:var(--coral);font-size:12px;font-weight:900}
    .package-section{background:var(--ink);color:#fff}
    .package-section .section-head p{color:rgba(255,255,255,.65)}
    .package-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
    .package{position:relative;padding:32px;border:1px solid rgba(255,255,255,.13);border-radius:var(--radius-lg);background:rgba(255,255,255,.06)}
    .package.recommend{background:#fff;color:var(--ink);transform:translateY(-12px);box-shadow:0 24px 60px rgba(0,0,0,.2)}
    .recommend-label{position:absolute;right:22px;top:21px;padding:6px 10px;border-radius:999px;background:var(--gold);color:var(--ink);font-size:11px;font-weight:900}
    .package h3{margin:0 0 10px;font-size:24px}
    .package p{min-height:73px;margin:0;color:rgba(255,255,255,.64);font-size:14px}
    .package.recommend p{color:var(--ink-soft)}
    .package-price{display:flex;align-items:baseline;gap:5px;margin:22px 0;font-size:40px;font-weight:950;letter-spacing:-.06em}
    .package-price small{font-size:13px;font-weight:500;letter-spacing:0}
    .package ul{display:grid;gap:11px;margin:0 0 27px;padding:0;list-style:none;color:rgba(255,255,255,.76);font-size:14px}
    .package.recommend ul{color:#59667b}
    .package li:before{content:"✓";margin-right:9px;color:var(--gold);font-weight:900}
    .package.recommend li:before{color:var(--coral)}
    .package .btn{width:100%}
    .package:not(.recommend) .btn{color:#fff;border-color:rgba(255,255,255,.2);background:transparent}
    .package:not(.recommend) .btn:hover{border-color:var(--gold);color:var(--gold)}
    .stats-section{padding:86px 0;background:#fff}
    .stats-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;align-items:center}
    .stats-layout h2{margin:13px 0;font-size:42px;line-height:1.2;letter-spacing:-.05em}
    .stats-layout p{color:var(--ink-soft)}
    .stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .stat-card{padding:25px;border-radius:20px;background:var(--mist);border:1px solid var(--line)}
    .stat-card:nth-child(2){background:#fff5e4}
    .stat-card:nth-child(3){background:#fff0ed}
    .stat-card strong{display:block;color:var(--ink);font-size:36px;line-height:1.15;letter-spacing:-.06em}
    .stat-card span{display:block;margin-top:7px;color:#657188;font-size:13px}
    .content-section{background:#fff}
    .content-layout{display:grid;grid-template-columns:1fr 330px;gap:25px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:105px 1fr auto;gap:20px;align-items:center;padding:23px 0;border-bottom:1px solid var(--line)}
    .news-date{color:var(--coral);font-size:13px;font-weight:900}
    .news-item h3{margin:0 0 5px;font-size:18px;line-height:1.4}
    .news-item p{margin:0;color:var(--ink-soft);font-size:13px;line-height:1.7}
    .news-more{white-space:nowrap;color:var(--coral);font-size:13px;font-weight:800}
    .editor-pick{position:relative;min-height:100%;padding:25px;border-radius:var(--radius-lg);overflow:hidden;color:#fff;background:var(--ink)}
    .editor-pick img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
    .editor-pick:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,32,51,.1),rgba(23,32,51,.95))}
    .editor-pick-content{position:absolute;z-index:1;right:25px;bottom:25px;left:25px}
    .editor-pick h3{margin:12px 0 8px;font-size:25px;line-height:1.3}
    .editor-pick p{margin:0;color:rgba(255,255,255,.72);font-size:13px}
    .faq-section{background:var(--mist)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq-item{padding:23px 25px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .faq-item h3{display:flex;justify-content:space-between;gap:15px;margin:0 0 10px;font-size:17px;line-height:1.4}
    .faq-item h3 span{color:var(--coral);font-size:22px}
    .faq-item p{margin:0;color:var(--ink-soft);font-size:14px}
    .trust-section{padding:75px 0;background:#fff}
    .trust-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;padding:25px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .trust-badge{display:flex;align-items:center;gap:11px;color:#68748a;font-size:14px;font-weight:750}
    .trust-badge b{display:grid;place-items:center;width:35px;height:35px;border-radius:11px;color:var(--coral);background:#fff0ed}
    .brand-story{background:var(--cream)}
    .story-layout{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:start}
    .story-layout h2{margin:13px 0 17px;font-size:42px;line-height:1.2;letter-spacing:-.05em}
    .story-layout p{color:var(--ink-soft);font-size:16px}
    .story-points{display:grid;gap:14px}
    .story-point{display:flex;gap:15px;padding:20px;border-radius:18px;background:#fff;border:1px solid #f0e5d4}
    .story-point b{display:grid;place-items:center;flex:none;width:39px;height:39px;border-radius:12px;background:var(--coral);color:#fff}
    .story-point h3{margin:0 0 4px;font-size:17px}
    .story-point p{margin:0;font-size:13px}
    .cta-section{padding:92px 0}
    .cta-box{position:relative;overflow:hidden;padding:64px;border-radius:32px;color:#fff;background:linear-gradient(120deg,#ff5d55,#ef8762);box-shadow:var(--shadow-coral)}
    .cta-box:before,.cta-box:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.2);border-radius:50%}
    .cta-box:before{width:370px;height:370px;right:-100px;top:-180px}
    .cta-box:after{width:520px;height:520px;right:-160px;bottom:-380px}
    .cta-content{position:relative;z-index:1;max-width:700px}
    .cta-box h2{margin:0 0 13px;font-size:clamp(32px,5vw,56px);line-height:1.15;letter-spacing:-.06em}
    .cta-box p{margin:0;color:rgba(255,255,255,.82);font-size:16px}
    .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .footer{padding:60px 0 30px;color:#b8c0ce;background:#151d30}
    .footer-top{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:45px;padding-bottom:42px}
    .footer .brand{color:#fff}
    .footer-intro{max-width:300px;margin:18px 0 0;color:#8995a9;font-size:13px}
    .footer h3{margin:0 0 15px;color:#fff;font-size:14px}
    .footer a{display:block;margin:8px 0;color:#9da8b9;font-size:13px;transition:color .2s ease}
    .footer a:hover{color:var(--gold)}
    .footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;padding-top:25px;border-top:1px solid rgba(255,255,255,.1);font-size:12px;color:#7f8b9e}
    .footer-bottom span{display:inline-block;margin-right:15px}
    .float-bar{position:fixed;z-index:40;right:22px;bottom:22px;display:flex;align-items:center;gap:14px;padding:11px 12px 11px 18px;border:1px solid rgba(255,255,255,.18);border-radius:999px;color:#fff;background:rgba(23,32,51,.92);box-shadow:0 15px 35px rgba(15,20,35,.2);backdrop-filter:blur(16px)}
    .float-bar span{font-size:13px;font-weight:700}
    .float-bar .btn{min-height:39px;padding:0 16px;font-size:12px}
    @media(max-width:1024px){
      .hero-sticker{right:3%;top:10%}
      .intro-layout,.split-layout,.stats-layout,.story-layout{gap:38px}
      .feature-grid{grid-template-columns:1fr 1fr}
      .feature-card.large{grid-row:span 1;grid-column:span 2;min-height:340px}
      .content-layout{grid-template-columns:1fr}
      .editor-pick{min-height:300px}
      .footer-top{grid-template-columns:1.2fr 1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,620px)}
      .section{padding:72px 0}
      .brand-row{height:68px}
      .brand-actions .btn{display:none}
      .nav-toggle{display:grid;place-items:center}
      .channel-row{display:none}
      .channel-row.open{display:block}
      .channel-nav{padding:7px 0;display:grid;grid-template-columns:1fr 1fr;gap:2px}
      .channel-nav a{padding:10px 12px}
      .channel-nav a.active:after{left:12px;right:auto;width:30px}
      .hero{min-height:640px}
      .hero-inner{padding:75px 0 105px}
      .hero-sticker{width:100px;height:100px;right:2%;top:7%;font-size:11px}
      .hero-copy{padding-right:8px}
      .hero h1{font-size:clamp(42px,12vw,65px);max-width:580px}
      .hero-text{font-size:16px;line-height:1.75}
      .hero-meta{gap:15px}
      .proof-grid{grid-template-columns:1fr 1fr;gap:0}
      .proof-item{padding:12px 9px;border-right:0}
      .proof-item strong{font-size:17px}
      .intro-layout,.split-layout,.stats-layout,.story-layout{grid-template-columns:1fr}
      .intro-media img{height:350px}
      .media-note{right:12px;bottom:18px}
      .feature-grid{grid-template-columns:1fr}
      .feature-card.large{grid-column:auto;min-height:310px}
      .journey{grid-template-columns:1fr 1fr;gap:20px;border-top:0}
      .journey-step,.journey-step:not(:first-child){padding:20px 0 0;border-right:0;border-top:1px solid var(--line)}
      .journey-step:before,.journey-step:first-child:before{top:-7px;left:0}
      .package-grid{grid-template-columns:1fr}
      .package.recommend{transform:none}
      .stats-layout h2,.story-layout h2{font-size:34px}
      .news-item{grid-template-columns:1fr;gap:4px}
      .news-more{margin-top:7px}
      .faq-grid{grid-template-columns:1fr}
      .trust-row{display:grid;grid-template-columns:1fr 1fr}
      .cta-box{padding:40px 26px}
      .footer-top{grid-template-columns:1fr 1fr;gap:30px}
      .footer-top>div:first-child{grid-column:span 2}
      .float-bar{right:12px;bottom:12px;left:12px;justify-content:space-between}
    }
    @media(max-width:520px){
      .hero-sticker{display:none}
      .hero h1{font-size:43px}
      .hero-actions .btn{width:100%}
      .hero-meta{display:grid;grid-template-columns:1fr 1fr}
      .proof-grid{grid-template-columns:1fr}
      .proof-item{border-bottom:1px solid var(--line)}
      .proof-item:last-child{border-bottom:0}
      .intro-media img{height:290px}
      .quote-panel{padding:30px 24px}
      .quote-panel blockquote{font-size:22px}
      .journey{grid-template-columns:1fr}
      .stats-grid{grid-template-columns:1fr}
      .trust-row{grid-template-columns:1fr}
      .footer-top{grid-template-columns:1fr}
      .footer-top>div:first-child{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin:4px 0}
      .float-bar span{font-size:12px}
    }

/* roulang page: category2 */
:root{
      --ink:#172033;--ink-soft:#536078;--coral:#ff5d55;--coral-deep:#e94842;
      --gold:#f3bd62;--cream:#fff8ed;--mist:#f4f6fa;--paper:#fff;--line:#e8ebf2;
      --radius-lg:28px;--radius-md:18px;--shadow:0 18px 50px rgba(28,36,58,.10);
      --shadow-coral:0 24px 60px rgba(255,93,85,.18)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#fff;color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input{font:inherit}button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:96px 0}.section-head{max-width:700px;margin-bottom:40px}
    .section-head h2{margin:14px 0;font-size:clamp(30px,4vw,52px);line-height:1.18;letter-spacing:-.045em}
    .section-head p{margin:0;color:var(--ink-soft);font-size:17px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.14em}
    .eyebrow:before{content:"";width:24px;height:3px;border-radius:9px;background:var(--gold)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:50px;padding:0 23px;border:1px solid transparent;border-radius:999px;font-weight:800;transition:.25s}
    .btn:hover{transform:translateY(-3px)}.btn-primary{color:#fff;background:var(--coral);box-shadow:0 12px 26px rgba(255,93,85,.25)}
    .btn-primary:hover{background:var(--coral-deep);box-shadow:var(--shadow-coral)}
    .btn-light{color:var(--ink);background:#fff;box-shadow:0 10px 25px rgba(20,25,40,.12)}
    .btn-outline{color:var(--ink);background:#fff;border-color:var(--line)}.btn-outline:hover{border-color:var(--coral);color:var(--coral)}
    .tag{display:inline-flex;align-items:center;padding:6px 11px;border-radius:999px;background:#fff1ed;color:var(--coral);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);backdrop-filter:blur(18px);border-bottom:1px solid rgba(232,235,242,.85)}
    .brand-row{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:950;letter-spacing:-.06em}
    .brand-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:13px;color:#fff;background:linear-gradient(135deg,var(--coral),#ff9470);box-shadow:0 8px 18px rgba(255,93,85,.25);font-size:19px}
    .brand small{display:block;margin-top:-4px;color:#8b94a7;font-size:10px;font-weight:700;letter-spacing:.14em;line-height:1}
    .brand-actions{display:flex;align-items:center;gap:12px}.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
    .channel-row{border-top:1px solid #f1f2f6}.channel-nav{display:flex;align-items:center;gap:8px;min-height:54px;overflow-x:auto;scrollbar-width:none}
    .channel-nav::-webkit-scrollbar{display:none}.channel-nav a{position:relative;white-space:nowrap;padding:13px 16px;color:#647087;font-size:14px;font-weight:750;transition:.2s}
    .channel-nav a:hover,.channel-nav a.active{color:var(--coral)}.channel-nav a.active:after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:4px;background:var(--coral)}
    .inner-hero{position:relative;overflow:hidden;color:#fff;background:#172033;padding:86px 0 94px}
    .inner-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(16,24,43,.96),rgba(16,24,43,.62)),url("/assets/images/backpic/back-2.webp") center/cover;z-index:0}
    .inner-hero .container{position:relative;z-index:1}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}
    .inner-hero h1{font-size:clamp(42px,6vw,74px);line-height:1.08;letter-spacing:-.07em;margin:18px 0}
    .inner-hero p{max-width:650px;color:rgba(255,255,255,.76);font-size:18px}.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:30px}
    .launch-panel{padding:28px;border:1px solid rgba(255,255,255,.2);border-radius:28px;background:rgba(255,255,255,.1);backdrop-filter:blur(14px);box-shadow:0 20px 60px rgba(0,0,0,.18)}
    .launch-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;color:#ffe1a6;font-size:13px;font-weight:800}.pulse{width:9px;height:9px;background:var(--gold);border-radius:50%;box-shadow:0 0 0 7px rgba(243,189,98,.16)}
    .countdown{display:flex;align-items:center;gap:18px}.ring{width:112px;height:112px;border:8px solid rgba(255,255,255,.16);border-top-color:var(--gold);border-right-color:var(--coral);border-radius:50%;display:grid;place-items:center;flex:none}
    .ring strong{font-size:25px}.time-list{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;flex:1}.time-list div{padding:12px 5px;border-radius:14px;text-align:center;background:rgba(0,0,0,.2)}.time-list strong{display:block;font-size:24px;line-height:1.2}.time-list span{font-size:11px;color:rgba(255,255,255,.62)}
    .signal{display:flex;gap:8px;margin-top:24px}.signal i{height:4px;flex:1;border-radius:5px;background:rgba(255,255,255,.28)}.signal i.on{background:var(--gold)}
    .stat-strip{background:var(--cream);padding:26px 0}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.stat{padding:12px 20px;border-right:1px solid #eadfce}.stat:last-child{border:0}.stat strong{display:block;font-size:28px;line-height:1.2}.stat span{color:var(--ink-soft);font-size:13px}
    .feature-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.feature-image{position:relative}.feature-image img{height:430px;width:100%;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow)}.image-badge{position:absolute;left:22px;bottom:22px;padding:13px 17px;border-radius:15px;background:#fff;box-shadow:var(--shadow);font-weight:850}.image-badge b{color:var(--coral);font-size:24px}
    .check-list{display:grid;gap:14px;padding:0;margin:24px 0;list-style:none}.check-list li{display:flex;gap:12px;color:#425069}.check-list b{display:grid;place-items:center;flex:none;width:24px;height:24px;border-radius:50%;background:#fff0e9;color:var(--coral);font-size:13px}
    .dark-section{background:var(--ink);color:#fff}.dark-section .section-head p{color:rgba(255,255,255,.67)}.dark-section .eyebrow{color:#ffc976}
    .content-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}.feature-card,.content-card{overflow:hidden;border-radius:var(--radius-lg);background:#fff;color:var(--ink);box-shadow:var(--shadow)}.feature-card img{height:290px;width:100%;object-fit:cover}.card-body{padding:25px}.card-body h3{margin:9px 0;font-size:25px;line-height:1.3}.card-body p{color:var(--ink-soft);margin:0 0 17px}.mini-stack{display:grid;gap:22px}.content-card{display:grid;grid-template-columns:145px 1fr}.content-card img{width:145px;height:100%;min-height:155px;object-fit:cover}.content-card .card-body{padding:20px}.content-card h3{font-size:18px;margin:7px 0}.content-card p{font-size:13px;line-height:1.7}
    .benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.benefit{padding:27px;border:1px solid var(--line);border-radius:22px;background:#fff;transition:.25s}.benefit:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.benefit-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:15px;background:#fff0e9;color:var(--coral);font-weight:900;font-size:21px}.benefit h3{margin:17px 0 7px;font-size:20px}.benefit p{margin:0;color:var(--ink-soft);font-size:14px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.step{position:relative;padding:0 25px 0 0}.step:not(:last-child):after{content:"";position:absolute;top:21px;right:24px;width:calc(100% - 75px);height:1px;background:#f0c98d}.step-no{position:relative;z-index:1;width:43px;height:43px;display:grid;place-items:center;border-radius:50%;background:var(--gold);color:var(--ink);font-weight:900}.step h3{font-size:18px;margin:20px 0 7px}.step p{font-size:14px;color:var(--ink-soft);margin:0}
    .quote{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center;background:linear-gradient(135deg,#fff4e5,#fff);border-radius:var(--radius-lg);padding:48px}.quote blockquote{font-size:clamp(22px,3vw,34px);line-height:1.45;font-weight:800;margin:0}.quote cite{display:block;margin-top:20px;color:var(--ink-soft);font-style:normal}.quote-data{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.quote-data div{padding:20px;border-radius:18px;background:#fff;border:1px solid #f1e8da}.quote-data strong{display:block;color:var(--coral);font-size:29px}
    .faq-list{display:grid;gap:12px;max-width:850px}.faq-item{border:1px solid var(--line);border-radius:17px;background:#fff;overflow:hidden}.faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;padding:20px 23px;border:0;background:transparent;color:var(--ink);text-align:left;font-weight:850}.faq-question span{color:var(--coral);font-size:22px;transition:.2s}.faq-answer{display:none;padding:0 23px 20px;color:var(--ink-soft);font-size:15px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span{transform:rotate(45deg)}
    .cta{position:relative;overflow:hidden;background:var(--coral);color:#fff;border-radius:var(--radius-lg);padding:54px 62px}.cta:after{content:"";position:absolute;right:-100px;top:-150px;width:420px;height:420px;border:1px solid rgba(255,255,255,.25);border-radius:50%;box-shadow:0 0 0 55px rgba(255,255,255,.06),0 0 0 110px rgba(255,255,255,.04)}.cta-inner{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{font-size:clamp(28px,4vw,45px);line-height:1.2;margin:13px 0}.cta p{margin:0;color:rgba(255,255,255,.8);max-width:620px}
    .footer{padding:66px 0 25px;background:#11192a;color:#fff}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-intro{max-width:310px;color:#9ca8ba;font-size:14px;margin-top:19px}.footer h3{font-size:15px;margin:6px 0 15px}.footer-top>div>a:not(.brand){display:block;color:#9ca8ba;font-size:14px;margin:8px 0;transition:.2s}.footer-top>div>a:hover{color:#ffc976}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.1);margin-top:42px;padding-top:20px;color:#7f8ca2;font-size:12px}.footer-bottom span{margin-right:18px}
    :focus-visible{outline:3px solid rgba(255,93,85,.38);outline-offset:3px}
    @media(max-width:900px){.hero-grid,.feature-layout,.content-grid,.quote{grid-template-columns:1fr}.hero-grid{gap:38px}.launch-panel{max-width:550px}.stats{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr);gap:34px}.step:not(:last-child):after{display:none}.footer-top{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:650px){.container{width:min(100% - 28px,1180px)}.brand-row{height:68px}.brand-actions .btn{display:none}.nav-toggle{display:block}.channel-row{display:none}.channel-row.open{display:block}.channel-nav{flex-direction:column;align-items:stretch;padding:10px 0}.channel-nav a{padding:9px 12px}.channel-nav a.active:after{left:0;right:auto;width:4px;height:22px;bottom:9px}.inner-hero{padding:64px 0 70px}.inner-hero h1{font-size:46px}.section{padding:70px 0}.section-head h2{font-size:34px}.feature-image img{height:300px}.content-card{grid-template-columns:105px 1fr}.content-card img{width:105px;min-height:170px}.content-card .card-body{padding:15px}.content-card p{display:none}.benefit-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.quote{padding:28px}.cta{padding:36px 25px}.cta-inner{display:block}.cta .btn{margin-top:24px}.footer-top{grid-template-columns:1fr 1fr;gap:25px}.footer-top>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom div:last-child{margin-top:12px}}

/* roulang page: category3 */
:root{
      --ink:#172033;
      --ink-soft:#536078;
      --coral:#ff5d55;
      --coral-deep:#e94842;
      --gold:#f3bd62;
      --cream:#fff8ed;
      --mist:#f4f6fa;
      --paper:#ffffff;
      --line:#e8ebf2;
      --radius-lg:28px;
      --radius-md:18px;
      --shadow:0 18px 50px rgba(28,36,58,.10);
      --shadow-coral:0 24px 60px rgba(255,93,85,.18);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#fff;color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:100px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.14em}
    .eyebrow:before{content:"";width:24px;height:3px;border-radius:9px;background:var(--gold)}
    .section-head{max-width:700px;margin-bottom:42px}
    .section-head h2{margin:14px 0;font-size:clamp(30px,4vw,52px);line-height:1.18;letter-spacing:-.045em}
    .section-head p{margin:0;color:var(--ink-soft);font-size:17px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 23px;border:1px solid transparent;border-radius:999px;font-weight:800;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease}
    .btn:hover{transform:translateY(-3px)}
    .btn:focus-visible,.channel-nav a:focus-visible,.faq-item summary:focus-visible{outline:3px solid rgba(255,93,85,.35);outline-offset:3px}
    .btn-primary{color:#fff;background:var(--coral);box-shadow:0 12px 26px rgba(255,93,85,.25)}
    .btn-primary:hover{background:var(--coral-deep);box-shadow:var(--shadow-coral)}
    .btn-light{color:var(--ink);background:#fff;border-color:rgba(255,255,255,.5);box-shadow:0 10px 25px rgba(20,25,40,.12)}
    .btn-outline{color:var(--ink);background:#fff;border-color:var(--line)}
    .btn-outline:hover{border-color:var(--coral);color:var(--coral)}
    .tag{display:inline-flex;align-items:center;padding:6px 11px;border-radius:999px;background:#fff1ed;color:var(--coral);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(232,235,242,.85)}
    .brand-row{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:950;letter-spacing:-.06em}
    .brand-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:13px;color:#fff;background:linear-gradient(135deg,var(--coral),#ff9470);box-shadow:0 8px 18px rgba(255,93,85,.25);font-size:19px}
    .brand small{display:block;margin-top:-4px;color:#8b94a7;font-size:10px;font-weight:700;letter-spacing:.14em;line-height:1}
    .brand-actions{display:flex;align-items:center;gap:12px}
    .nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
    .channel-row{border-top:1px solid #f1f2f6}
    .channel-nav{display:flex;align-items:center;gap:8px;min-height:54px;overflow-x:auto;scrollbar-width:none}
    .channel-nav::-webkit-scrollbar{display:none}
    .channel-nav a{position:relative;white-space:nowrap;padding:13px 16px;color:#647087;font-size:14px;font-weight:750;transition:color .2s ease,background .2s ease}
    .channel-nav a:hover,.channel-nav a.active{color:var(--coral)}
    .channel-nav a.active:after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:4px;background:var(--coral)}
    .hero{position:relative;isolation:isolate;overflow:hidden;min-height:620px;display:flex;align-items:center;background:var(--ink);color:#fff}
    .hero:before{content:"";position:absolute;inset:0;z-index:-2;background-image:linear-gradient(90deg,rgba(13,20,37,.96) 0%,rgba(13,20,37,.77) 48%,rgba(13,20,37,.28) 100%),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center}
    .hero:after{content:"";position:absolute;z-index:-1;right:-13%;bottom:-42%;width:760px;height:760px;border:1px solid rgba(243,189,98,.32);border-radius:50%;box-shadow:0 0 0 80px rgba(243,189,98,.04),0 0 0 160px rgba(243,189,98,.025);transform:rotate(-18deg)}
    .hero-inner{width:100%;padding:92px 0 104px}
    .hero-copy{max-width:710px}
    .hero-kicker{display:inline-flex;align-items:center;gap:9px;padding:8px 14px;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:#ffe2ae;background:rgba(255,255,255,.08);font-size:13px;font-weight:800}
    .hero-kicker i{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(243,189,98,.16)}
    .hero h1{margin:23px 0 20px;max-width:760px;font-size:clamp(44px,7vw,82px);line-height:1.07;letter-spacing:-.075em}
    .hero h1 em{color:#ffc976;font-style:normal}
    .hero-text{max-width:650px;margin:0;color:rgba(255,255,255,.78);font-size:18px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:32px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:38px;color:rgba(255,255,255,.68);font-size:13px}
    .hero-meta strong{display:block;margin-bottom:1px;color:#fff;font-size:22px;line-height:1.2}
    .hero-sticker{position:absolute;right:7%;top:17%;display:grid;place-items:center;width:126px;height:126px;padding:18px;text-align:center;color:var(--ink);background:var(--gold);font-size:14px;font-weight:950;line-height:1.35;transform:rotate(9deg);clip-path:polygon(50% 0%,61% 10%,76% 6%,84% 19%,99% 26%,92% 42%,100% 56%,87% 68%,88% 84%,70% 86%,59% 100%,47% 88%,30% 96%,23% 80%,7% 75%,12% 58%,0 46%,12% 34%,7% 17%,26% 16%,36% 2%)}
    .proof-strip{padding:28px 0;border-bottom:1px solid var(--line);background:#fff}
    .proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .proof-item{display:flex;align-items:center;gap:13px;padding:10px 18px;border-right:1px solid var(--line)}
    .proof-item:last-child{border-right:0}
    .proof-item strong{display:block;font-size:19px;line-height:1.2}
    .proof-item span{color:#7c8799;font-size:12px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:76px;align-items:center}
    .split.reverse .split-media{order:2}
    .split-media{position:relative}
    .split-media img{width:100%;height:470px;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
    .media-note{position:absolute;right:-24px;bottom:28px;width:210px;padding:18px;border-radius:18px;background:#fff;box-shadow:var(--shadow);border:1px solid var(--line)}
    .media-note strong{display:block;font-size:26px;color:var(--coral);line-height:1.2}
    .media-note span{color:var(--ink-soft);font-size:13px}
    .check-list{display:grid;gap:13px;margin:25px 0 0;padding:0;list-style:none}
    .check-list li{display:flex;gap:11px;align-items:flex-start;color:#425069;font-size:15px}
    .check-list b{flex:none;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#fff0e6;color:var(--coral);font-size:13px}
    .soft-section{background:var(--mist)}
    .feature-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .feature-card{min-height:230px;padding:28px;border:1px solid var(--line);border-radius:var(--radius-md);background:#fff;box-shadow:0 10px 30px rgba(28,36,58,.045);transition:transform .25s ease,box-shadow .25s ease}
    .feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
    .feature-card.large{grid-row:span 2;min-height:478px;color:#fff;background:linear-gradient(145deg,#242d46,#182037)}
    .icon-box{display:grid;place-items:center;width:46px;height:46px;margin-bottom:25px;border-radius:15px;color:var(--coral);background:#fff0ec;font-size:22px;font-weight:900}
    .feature-card.large .icon-box{color:var(--ink);background:var(--gold)}
    .feature-card h3{margin:0 0 10px;font-size:22px;letter-spacing:-.03em}
    .feature-card p{margin:0;color:var(--ink-soft);font-size:14px}
    .feature-card.large p{color:rgba(255,255,255,.72)}
    .device-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center;padding:45px;border-radius:var(--radius-lg);background:var(--cream)}
    .device-frame{position:relative;max-width:300px;margin:auto;padding:12px;border:9px solid #202a42;border-radius:38px;background:#202a42;box-shadow:0 24px 45px rgba(23,32,51,.2);transform:rotate(-5deg)}
    .device-frame img{height:490px;object-fit:cover;border-radius:25px}
    .device-label{position:absolute;right:-58px;top:75px;padding:10px 14px;border-radius:12px;color:var(--ink);background:var(--gold);font-size:12px;font-weight:900;transform:rotate(9deg)}
    .number-list{display:grid;gap:18px;margin-top:25px}
    .number-item{display:grid;grid-template-columns:45px 1fr;gap:15px;align-items:start}
    .number-item b{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;color:var(--coral);background:#fff;border:1px solid #f5d8d3}
    .number-item h3{margin:0 0 3px;font-size:18px}
    .number-item p{margin:0;color:var(--ink-soft);font-size:14px}
    .stats-band{background:var(--coral);color:#fff}
    .stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
    .stat-card{padding:24px 0;border-right:1px solid rgba(255,255,255,.25)}
    .stat-card:last-child{border-right:0}
    .stat-card strong{display:block;font-size:42px;line-height:1.1;color:#fff1c7}
    .stat-card span{color:rgba(255,255,255,.78);font-size:14px}
    .quote-box{display:grid;grid-template-columns:1.05fr .95fr;gap:45px;align-items:center}
    .quote-card{padding:38px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
    .quote-card blockquote{margin:20px 0;color:var(--ink);font-size:24px;line-height:1.55;font-weight:750;letter-spacing:-.03em}
    .quote-card cite{font-style:normal;color:var(--ink-soft);font-size:14px}
    .quote-side{padding:30px;border-radius:var(--radius-lg);background:var(--ink);color:#fff}
    .quote-side h3{margin:0 0 12px;font-size:25px}
    .quote-side p{margin:0;color:rgba(255,255,255,.72);font-size:15px}
    .faq-list{display:grid;gap:12px;max-width:900px}
    .faq-item{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}
    .faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;cursor:pointer;font-weight:850;list-style:none}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";color:var(--coral);font-size:25px;font-weight:400}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{padding:0 24px 22px;color:var(--ink-soft);font-size:15px}
    .cta{position:relative;overflow:hidden;padding:75px 0;color:#fff;background:var(--ink)}
    .cta:after{content:"";position:absolute;right:-80px;top:-170px;width:430px;height:430px;border:1px solid rgba(243,189,98,.35);border-radius:50%;box-shadow:0 0 0 70px rgba(243,189,98,.05)}
    .cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:35px}
    .cta h2{margin:0 0 12px;font-size:clamp(30px,4vw,48px);line-height:1.2}
    .cta p{max-width:650px;margin:0;color:rgba(255,255,255,.72)}
    .footer{padding:62px 0 20px;background:#11182b;color:#fff}
    .footer-top{display:grid;grid-template-columns:1.5fr .8fr .8fr .8fr;gap:40px;padding-bottom:42px}
    .footer .brand{margin-bottom:18px}
    .footer-intro{max-width:330px;margin:0;color:rgba(255,255,255,.6);font-size:14px}
    .footer h3{margin:5px 0 16px;color:#fff;font-size:15px}
    .footer-top>div:not(:first-child) a{display:block;margin:8px 0;color:rgba(255,255,255,.6);font-size:14px;transition:color .2s ease}
    .footer-top>div:not(:first-child) a:hover{color:#ffc976}
    .footer-bottom{display:flex;justify-content:space-between;gap:18px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.48);font-size:12px}
    .footer-bottom div:first-child{display:flex;flex-wrap:wrap;gap:16px}
    @media(max-width:1024px){
      .hero-sticker{right:3%;top:12%}
      .split{gap:42px}
      .feature-grid{grid-template-columns:1fr 1fr}
      .feature-card.large{grid-row:auto;min-height:300px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,620px)}
      .brand-row{height:68px}
      .brand-actions .btn-primary{display:none}
      .nav-toggle{display:block}
      .channel-row{display:none}
      .channel-row.open{display:block}
      .channel-nav{align-items:stretch;flex-direction:column;padding:8px 0}
      .channel-nav a{padding:11px 13px}
      .channel-nav a.active:after{left:5px;right:auto;bottom:9px;width:3px;height:22px}
      .hero{min-height:650px}
      .hero-inner{padding:70px 0 80px}
      .hero h1{font-size:clamp(42px,13vw,64px)}
      .hero-text{font-size:16px}
      .hero-sticker{display:none}
      .proof-grid{grid-template-columns:1fr 1fr;gap:10px}
      .proof-item{border-right:0;padding:8px 4px}
      .section{padding:72px 0}
      .split,.quote-box,.device-panel{grid-template-columns:1fr;gap:35px}
      .split.reverse .split-media{order:0}
      .split-media img{height:360px}
      .media-note{right:10px}
      .feature-grid{grid-template-columns:1fr}
      .feature-card.large{min-height:250px}
      .device-panel{padding:28px 20px}
      .device-frame{transform:none}
      .stats-grid{grid-template-columns:1fr}
      .stat-card{border-right:0;border-bottom:1px solid rgba(255,255,255,.25)}
      .stat-card:last-child{border-bottom:0}
      .cta-inner{align-items:flex-start;flex-direction:column}
      .footer-top{grid-template-columns:1fr 1fr;gap:28px}
      .footer-top>div:first-child{grid-column:1/-1}
      .footer-bottom{flex-direction:column}
    }
    @media(max-width:520px){
      .brand{font-size:21px}
      .brand-mark{width:35px;height:35px}
      .brand small{font-size:8px}
      .hero-actions{flex-direction:column;align-items:stretch}
      .hero-actions .btn{width:100%}
      .hero-meta{gap:14px}
      .hero-meta strong{font-size:19px}
      .proof-grid{grid-template-columns:1fr 1fr}
      .quote-card{padding:25px}
      .quote-card blockquote{font-size:20px}
      .footer-top{grid-template-columns:1fr}
      .footer-top>div:first-child{grid-column:auto}
    }

/* roulang page: category1 */
:root{
      --ink:#172033;
      --ink-soft:#536078;
      --coral:#ff5d55;
      --coral-deep:#e94842;
      --gold:#f3bd62;
      --cream:#fff8ed;
      --mist:#f4f6fa;
      --paper:#ffffff;
      --line:#e8ebf2;
      --radius-lg:28px;
      --radius-md:18px;
      --shadow:0 18px 50px rgba(28,36,58,.10);
      --shadow-coral:0 24px 60px rgba(255,93,85,.18);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#fff;color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
    .eyebrow:before{content:"";width:24px;height:3px;border-radius:9px;background:var(--gold)}
    .section{padding:104px 0}
    .section-head{max-width:700px;margin-bottom:42px}
    .section-head h2{margin:14px 0;font-size:clamp(30px,4vw,52px);line-height:1.18;letter-spacing:-.04em}
    .section-head p{margin:0;color:var(--ink-soft);font-size:17px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 23px;border:1px solid transparent;border-radius:999px;font-weight:800;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease}
    .btn:hover{transform:translateY(-3px)}
    .btn:focus-visible,.nav-toggle:focus-visible,.channel-nav a:focus-visible,summary:focus-visible{outline:3px solid rgba(255,93,85,.35);outline-offset:3px}
    .btn-primary{color:#fff;background:var(--coral);box-shadow:0 12px 26px rgba(255,93,85,.25)}
    .btn-primary:hover{background:var(--coral-deep);box-shadow:var(--shadow-coral)}
    .btn-light{color:var(--ink);background:#fff;border-color:rgba(255,255,255,.5);box-shadow:0 10px 25px rgba(20,25,40,.12)}
    .btn-outline{color:var(--ink);background:#fff;border-color:var(--line)}
    .btn-outline:hover{border-color:var(--coral);color:var(--coral)}
    .tag{display:inline-flex;align-items:center;padding:6px 11px;border-radius:999px;background:#fff1ed;color:var(--coral);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(232,235,242,.85)}
    .brand-row{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:950;letter-spacing:-.06em}
    .brand-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:13px;color:#fff;background:linear-gradient(135deg,var(--coral),#ff9470);box-shadow:0 8px 18px rgba(255,93,85,.25);font-size:19px}
    .brand small{display:block;margin-top:-4px;color:#8b94a7;font-size:10px;font-weight:700;letter-spacing:.14em;line-height:1}
    .brand-actions{display:flex;align-items:center;gap:12px}
    .nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
    .channel-row{border-top:1px solid #f1f2f6}
    .channel-nav{display:flex;align-items:center;gap:8px;min-height:54px;overflow-x:auto;scrollbar-width:none}
    .channel-nav::-webkit-scrollbar{display:none}
    .channel-nav a{position:relative;white-space:nowrap;padding:13px 16px;color:#647087;font-size:14px;font-weight:750;transition:color .2s ease,background .2s ease}
    .channel-nav a:hover,.channel-nav a.active{color:var(--coral)}
    .channel-nav a.active:after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:4px;background:var(--coral)}
    .hero{position:relative;isolation:isolate;overflow:hidden;color:#fff;background:var(--ink)}
    .hero:before{content:"";position:absolute;inset:0;z-index:-2;background-image:linear-gradient(90deg,rgba(13,20,37,.97) 0%,rgba(13,20,37,.82) 48%,rgba(13,20,37,.38) 100%),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center}
    .hero:after{content:"";position:absolute;z-index:-1;right:-15%;bottom:-52%;width:850px;height:850px;border:1px solid rgba(243,189,98,.3);border-radius:50%;box-shadow:0 0 0 80px rgba(243,189,98,.04),0 0 0 160px rgba(243,189,98,.025);transform:rotate(-16deg)}
    .hero-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(350px,470px);align-items:center;gap:70px;min-height:650px;padding:90px 0 100px}
    .hero-copy{max-width:680px}
    .hero-kicker{display:inline-flex;align-items:center;gap:9px;padding:8px 14px;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:#ffe2ae;background:rgba(255,255,255,.08);font-size:13px;font-weight:800}
    .hero-kicker i{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(243,189,98,.16)}
    .hero h1{margin:23px 0 20px;max-width:680px;font-size:clamp(44px,6vw,76px);line-height:1.08;letter-spacing:-.075em}
    .hero h1 em{color:#ffc976;font-style:normal}
    .hero-text{max-width:650px;margin:0;color:rgba(255,255,255,.78);font-size:18px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:32px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:38px;color:rgba(255,255,255,.68);font-size:13px}
    .hero-meta strong{display:block;margin-bottom:1px;color:#fff;font-size:22px;line-height:1.2}
    .hero-panel{padding:24px;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);background:rgba(255,255,255,.1);box-shadow:0 28px 70px rgba(0,0,0,.22);backdrop-filter:blur(14px)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
    .panel-top strong{font-size:18px}
    .live-dot{display:inline-flex;align-items:center;gap:7px;color:#bce7c9;font-size:12px}
    .live-dot:before{content:"";width:7px;height:7px;border-radius:50%;background:#58d982;box-shadow:0 0 0 5px rgba(88,217,130,.13)}
    .rank-list{display:grid;gap:11px}
    .rank-row{display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:11px;padding:13px 12px;border:1px solid rgba(255,255,255,.1);border-radius:15px;background:rgba(9,15,29,.35)}
    .rank-number{display:grid;place-items:center;width:27px;height:27px;border-radius:9px;background:rgba(243,189,98,.18);color:#ffd88d;font-size:12px;font-weight:900}
    .rank-row:nth-child(1) .rank-number{background:var(--gold);color:var(--ink)}
    .rank-name{font-size:14px;font-weight:750}
    .rank-note{display:block;color:rgba(255,255,255,.52);font-size:11px}
    .rank-score{color:#ffd184;font-size:13px;font-weight:900}
    .panel-foot{display:flex;justify-content:space-between;gap:16px;margin-top:19px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.62);font-size:12px}
    .proof-strip{padding:22px 0;border-bottom:1px solid var(--line);background:#fff}
    .proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .proof-item{display:flex;align-items:center;gap:13px;padding:10px 18px;border-right:1px solid var(--line)}
    .proof-item:last-child{border-right:0}
    .proof-item strong{display:block;font-size:19px;line-height:1.2}
    .proof-item span{color:#7c8799;font-size:12px}
    .number-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;color:var(--coral);background:#fff0ed;font-weight:900}
    .split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:76px;align-items:center}
    .split.reverse{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}
    .intro-media{position:relative}
    .intro-media img{width:100%;height:465px;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
    .media-note{position:absolute;right:-24px;bottom:28px;width:210px;padding:18px;border-radius:18px;background:#fff;box-shadow:var(--shadow);border:1px solid var(--line)}
    .media-note strong{display:block;font-size:26px;color:var(--coral);line-height:1.2}
    .media-note span{color:var(--ink-soft);font-size:13px}
    .content-copy h2{margin:13px 0 17px;font-size:clamp(30px,4vw,50px);line-height:1.2;letter-spacing:-.05em}
    .content-copy p{color:var(--ink-soft);font-size:16px}
    .check-list{display:grid;gap:13px;margin:25px 0 0;padding:0;list-style:none}
    .check-list li{display:flex;gap:11px;align-items:flex-start;color:#425069;font-size:15px}
    .check-list b{flex:0 0 auto;display:grid;place-items:center;width:22px;height:22px;margin-top:3px;border-radius:50%;background:#fff0ed;color:var(--coral);font-size:12px}
    .soft-section{background:var(--mist)}
    .feature-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .feature-large{position:relative;min-height:420px;overflow:hidden;padding:36px;border-radius:var(--radius-lg);color:#fff;background:var(--ink)}
    .feature-large:after{content:"";position:absolute;right:-80px;bottom:-120px;width:350px;height:350px;border:1px solid rgba(255,255,255,.16);border-radius:50%;box-shadow:0 0 0 48px rgba(243,189,98,.08)}
    .feature-large h3{position:relative;z-index:1;max-width:450px;margin:18px 0 12px;font-size:32px;line-height:1.25}
    .feature-large p{position:relative;z-index:1;max-width:480px;color:rgba(255,255,255,.7)}
    .feature-large .mini-stat{position:absolute;z-index:1;left:36px;bottom:34px;display:flex;gap:28px}
    .mini-stat strong{display:block;color:#ffd184;font-size:26px;line-height:1}
    .mini-stat span{color:rgba(255,255,255,.6);font-size:12px}
    .feature-side{display:grid;gap:22px}
    .feature-card{display:flex;gap:18px;min-height:199px;padding:28px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;box-shadow:0 8px 25px rgba(28,36,58,.04);transition:transform .25s ease,box-shadow .25s ease}
    .feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .feature-card h3{margin:0 0 8px;font-size:20px}
    .feature-card p{margin:0;color:var(--ink-soft);font-size:14px}
    .icon-box{flex:0 0 auto;display:grid;place-items:center;width:47px;height:47px;border-radius:15px;color:var(--coral);background:#fff0ed;font-size:21px;font-weight:900}
    .scenario-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:18px}
    .scenario-card{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;transition:transform .25s ease,box-shadow .25s ease}
    .scenario-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .scenario-card img{width:100%;height:190px;object-fit:cover}
    .scenario-card:first-child img{height:255px}
    .scenario-card:first-child{grid-row:span 2}
    .scenario-body{padding:23px}
    .scenario-body h3{margin:10px 0 8px;font-size:21px}
    .scenario-body p{margin:0;color:var(--ink-soft);font-size:14px}
    .flow-section{background:var(--cream)}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
    .flow:before{content:"";position:absolute;top:34px;left:12%;right:12%;height:1px;background:#e9c88d}
    .flow-step{position:relative;padding:0 20px;text-align:center}
    .flow-index{position:relative;z-index:1;display:grid;place-items:center;width:68px;height:68px;margin:0 auto 20px;border:7px solid var(--cream);border-radius:50%;background:var(--coral);color:#fff;font-size:20px;font-weight:900;box-shadow:0 0 0 1px #f0bd6b}
    .flow-step h3{margin:0 0 8px;font-size:18px}
    .flow-step p{margin:0;color:var(--ink-soft);font-size:14px}
    .quote-band{background:#fff}
    .quote-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:center}
    .quote-layout blockquote{margin:0;padding:38px;border-left:4px solid var(--coral);border-radius:0 var(--radius-lg) var(--radius-lg) 0;background:#fff7f4;font-size:24px;line-height:1.65;font-weight:750;letter-spacing:-.02em}
    .quote-layout cite{display:block;margin-top:21px;color:var(--ink-soft);font-size:14px;font-style:normal;font-weight:500}
    .quote-note{padding:30px;border-radius:var(--radius-lg);background:var(--ink);color:#fff}
    .quote-note h3{margin:0 0 14px;font-size:26px}
    .quote-note p{margin:0;color:rgba(255,255,255,.7);font-size:15px}
    .trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .trust-card{padding:27px;border:1px solid var(--line);border-radius:var(--radius-md);background:#fff}
    .trust-card strong{display:block;margin-bottom:7px;color:var(--coral);font-size:30px;line-height:1}
    .trust-card h3{margin:13px 0 7px;font-size:18px}
    .trust-card p{margin:0;color:var(--ink-soft);font-size:14px}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px;align-items:start}
    .faq-list{display:grid;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:17px;background:#fff;transition:border-color .2s ease,box-shadow .2s ease}
    .faq-item[open]{border-color:#ffc2bd;box-shadow:0 10px 24px rgba(255,93,85,.08)}
    .faq-item summary{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:20px 22px;list-style:none;font-weight:800;cursor:pointer}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";color:var(--coral);font-size:23px;font-weight:400}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{padding:0 22px 21px;color:var(--ink-soft);font-size:14px}
    .cta{position:relative;overflow:hidden;padding:68px 0;color:#fff;background:var(--coral)}
    .cta:after{content:"";position:absolute;right:-100px;top:-190px;width:500px;height:500px;border:1px solid rgba(255,255,255,.3);border-radius:50%;box-shadow:0 0 0 50px rgba(255,255,255,.06),0 0 0 100px rgba(255,255,255,.04)}
    .cta-inner{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:35px}
    .cta h2{margin:0 0 10px;font-size:clamp(29px,4vw,46px);line-height:1.2;letter-spacing:-.05em}
    .cta p{max-width:640px;margin:0;color:rgba(255,255,255,.78)}
    .footer{padding:65px 0 24px;background:var(--ink);color:#fff}
    .footer-top{display:grid;grid-template-columns:1.5fr .8fr .8fr .8fr;gap:38px;padding-bottom:48px}
    .footer .brand{margin-bottom:19px}
    .footer .brand small{color:#8690a6}
    .footer-intro{max-width:330px;margin:0;color:rgba(255,255,255,.58);font-size:14px}
    .footer h3{margin:5px 0 16px;color:#fff;font-size:15px}
    .footer-top>div:not(:first-child) a{display:block;margin:8px 0;color:rgba(255,255,255,.58);font-size:14px;transition:color .2s ease}
    .footer-top a:hover{color:#ffd184}
    .footer-bottom{display:flex;justify-content:space-between;gap:22px;padding-top:21px;border-top:1px solid rgba(255,255,255,.13);color:rgba(255,255,255,.48);font-size:12px}
    .footer-bottom>div:first-child{display:flex;flex-wrap:wrap;gap:18px}
    .footer-bottom a{color:rgba(255,255,255,.68)}
    @media(max-width:1024px){
      .hero-inner{grid-template-columns:1fr 390px;gap:35px}
      .split,.split.reverse{gap:40px}
      .feature-layout{grid-template-columns:1fr}
      .feature-side{grid-template-columns:repeat(2,1fr)}
      .scenario-grid{grid-template-columns:1fr 1fr}
      .scenario-card:first-child{grid-row:auto;grid-column:span 2}
      .scenario-card:first-child img{height:230px}
      .faq-layout{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,620px)}
      .brand-row{height:68px}
      .brand-actions>.btn{display:none}
      .nav-toggle{display:block}
      .channel-row{display:none}
      .channel-row.open{display:block}
      .channel-nav{display:grid;gap:0;padding:9px 0 15px;overflow:visible}
      .channel-nav a{padding:12px 13px;border-radius:10px}
      .channel-nav a.active:after{display:none}
      .channel-nav a.active{background:#fff0ed}
      .hero-inner{display:block;min-height:0;padding:78px 0 82px}
      .hero-panel{max-width:520px;margin-top:47px}
      .hero h1{font-size:clamp(43px,12vw,65px)}
      .proof-grid{grid-template-columns:1fr 1fr;gap:9px}
      .proof-item{padding:12px 8px;border-right:0}
      .section{padding:76px 0}
      .split,.split.reverse{grid-template-columns:1fr;gap:42px}
      .split.reverse .intro-media{order:-1}
      .intro-media img{height:360px}
      .media-note{right:12px}
      .feature-side{grid-template-columns:1fr}
      .scenario-grid{grid-template-columns:1fr}
      .scenario-card:first-child{grid-column:auto}
      .scenario-card:first-child img,.scenario-card img{height:220px}
      .flow{grid-template-columns:1fr 1fr;gap:35px 8px}
      .flow:before{display:none}
      .flow-step{padding:0 8px}
      .quote-layout{grid-template-columns:1fr;gap:25px}
      .trust-grid{grid-template-columns:1fr}
      .faq-layout{grid-template-columns:1fr;gap:30px}
      .cta-inner{display:block}
      .cta-inner .btn{margin-top:25px}
      .footer-top{grid-template-columns:1fr 1fr;gap:28px}
      .footer-top>div:first-child{grid-column:span 2}
      .footer-bottom{display:block}
      .footer-bottom>div:first-child{gap:7px 16px;margin-bottom:10px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}
      .brand{font-size:21px}
      .brand-mark{width:35px;height:35px}
      .hero-text{font-size:16px}
      .hero-actions{display:grid}
      .hero-actions .btn{width:100%}
      .hero-meta{gap:16px}
      .proof-grid{grid-template-columns:1fr}
      .proof-item{justify-content:flex-start;border-bottom:1px solid var(--line)}
      .feature-large{min-height:380px;padding:27px}
      .feature-large h3{font-size:27px}
      .feature-large .mini-stat{left:27px;bottom:27px}
      .scenario-card:first-child img,.scenario-card img{height:190px}
      .flow{grid-template-columns:1fr}
      .flow-step{display:grid;grid-template-columns:68px 1fr;gap:16px;text-align:left;align-items:start}
      .flow-index{grid-row:span 2;margin:0}
      .flow-step h3{margin:4px 0 0}
      .flow-step p{grid-column:2}
      .quote-layout blockquote{padding:25px;font-size:20px}
      .footer-top{grid-template-columns:1fr}
      .footer-top>div:first-child{grid-column:auto}
    }

/* roulang page: category4 */
:root{
      --ink:#172033;--ink-soft:#536078;--coral:#ff5d55;--coral-deep:#e94842;
      --gold:#f3bd62;--cream:#fff8ed;--mist:#f4f6fa;--paper:#fff;--line:#e8ebf2;
      --radius-lg:28px;--radius-md:18px;--shadow:0 18px 50px rgba(28,36,58,.10);
      --shadow-coral:0 24px 60px rgba(255,93,85,.18)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#fff;color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none} img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.14em}
    .eyebrow:before{content:"";width:24px;height:3px;border-radius:9px;background:var(--gold)}
    .section{padding:96px 0}.section-head{max-width:700px;margin-bottom:40px}
    .section-head h2{margin:14px 0;font-size:clamp(30px,4vw,52px);line-height:1.18;letter-spacing:-.04em}
    .section-head p{margin:0;color:var(--ink-soft);font-size:17px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 23px;border:1px solid transparent;border-radius:999px;font-weight:800;transition:.25s}
    .btn:hover{transform:translateY(-3px)}.btn:focus-visible{outline:4px solid rgba(255,93,85,.25);outline-offset:3px}
    .btn-primary{color:#fff;background:var(--coral);box-shadow:0 12px 26px rgba(255,93,85,.25)}
    .btn-primary:hover{background:var(--coral-deep);box-shadow:var(--shadow-coral)}
    .btn-light{color:var(--ink);background:#fff;box-shadow:0 10px 25px rgba(20,25,40,.12)}
    .btn-outline{color:var(--ink);background:#fff;border-color:var(--line)}.btn-outline:hover{color:var(--coral);border-color:var(--coral)}
    .tag{display:inline-flex;padding:6px 11px;border-radius:999px;background:#fff1ed;color:var(--coral);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);backdrop-filter:blur(18px);border-bottom:1px solid rgba(232,235,242,.85)}
    .brand-row{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:950;letter-spacing:-.06em}
    .brand-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:13px;color:#fff;background:linear-gradient(135deg,var(--coral),#ff9470);box-shadow:0 8px 18px rgba(255,93,85,.25);font-size:19px}
    .brand small{display:block;margin-top:-4px;color:#8b94a7;font-size:10px;font-weight:700;letter-spacing:.14em;line-height:1}
    .brand-actions{display:flex;align-items:center;gap:12px}.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
    .channel-row{border-top:1px solid #f1f2f6}.channel-nav{display:flex;align-items:center;gap:8px;min-height:54px;overflow-x:auto;scrollbar-width:none}
    .channel-nav::-webkit-scrollbar{display:none}.channel-nav a{position:relative;white-space:nowrap;padding:13px 16px;color:#647087;font-size:14px;font-weight:750;transition:.2s}
    .channel-nav a:hover,.channel-nav a.active{color:var(--coral)}.channel-nav a.active:after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:4px;background:var(--coral)}
    .inner-hero{position:relative;isolation:isolate;overflow:hidden;padding:100px 0 110px;background:var(--ink);color:#fff}
    .inner-hero:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(13,20,37,.96),rgba(13,20,37,.68)),url("/assets/images/backpic/back-2.webp") center/cover}
    .inner-hero h1{max-width:760px;margin:20px 0;font-size:clamp(42px,6vw,74px);line-height:1.1;letter-spacing:-.07em}
    .inner-hero h1 em{color:#ffc976;font-style:normal}.inner-hero p{max-width:680px;color:rgba(255,255,255,.78);font-size:18px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.hero-badge{display:inline-flex;gap:9px;align-items:center;padding:8px 14px;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:#ffe2ae;background:rgba(255,255,255,.08);font-size:13px;font-weight:800}
    .hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(243,189,98,.16)}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.split.reverse{grid-template-columns:1.1fr .9fr}
    .visual-card{position:relative}.visual-card img{width:100%;height:430px;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
    .float-card{position:absolute;right:-24px;bottom:25px;width:220px;padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow)}
    .float-card strong{display:block;color:var(--coral);font-size:27px;line-height:1.2}.float-card span{color:var(--ink-soft);font-size:13px}
    .check-list{display:grid;gap:14px;padding:0;margin:25px 0 0;list-style:none}.check-list li{display:flex;gap:11px;color:#425069}
    .check-list b{flex:none;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;color:#fff;background:var(--coral);font-size:13px}
    .metrics{background:var(--mist)}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
    .metric{padding:28px;background:#fff}.metric strong{display:block;color:var(--coral);font-size:34px;line-height:1.2}.metric span{color:var(--ink-soft);font-size:14px}
    .feature-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}.feature-card{padding:30px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;box-shadow:0 10px 30px rgba(28,36,58,.05)}
    .feature-card.dark{color:#fff;background:var(--ink);border-color:var(--ink)}.feature-card h3{margin:15px 0 8px;font-size:24px}.feature-card p{margin:0;color:var(--ink-soft)}.dark p{color:rgba(255,255,255,.7)}
    .mini-icon{display:grid;place-items:center;width:45px;height:45px;border-radius:14px;color:var(--coral);background:#fff1ed;font-size:21px}.dark .mini-icon{background:rgba(255,255,255,.12);color:#ffc976}
    .scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.scenario{overflow:hidden;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);transition:.25s}.scenario:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
    .scenario img{width:100%;height:180px;object-fit:cover}.scenario-body{padding:22px}.scenario h3{margin:0 0 7px;font-size:20px}.scenario p{margin:0;color:var(--ink-soft);font-size:14px}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}.step{position:relative;padding:30px 28px 20px;border-right:1px solid var(--line)}.step:last-child{border-right:0}.step-no{color:var(--coral);font-size:13px;font-weight:900;letter-spacing:.1em}.step h3{margin:12px 0 7px;font-size:21px}.step p{margin:0;color:var(--ink-soft);font-size:14px}
    .quote{padding:70px 8%;border-radius:var(--radius-lg);background:linear-gradient(135deg,#fff3e5,#fff8ed);text-align:center}.quote blockquote{max-width:780px;margin:18px auto;color:var(--ink);font-size:clamp(22px,3vw,34px);font-weight:800;line-height:1.5}.quote cite{color:var(--ink-soft);font-style:normal;font-size:14px}
    .faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.faq-list{display:grid;gap:12px}.faq-list details{padding:20px 22px;border:1px solid var(--line);border-radius:16px;background:#fff;transition:.2s}.faq-list details[open]{border-color:#ffc3a7;box-shadow:0 10px 25px rgba(28,36,58,.06)}.faq-list summary{cursor:pointer;font-weight:800;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"＋";float:right;color:var(--coral);font-size:20px}.faq-list details[open] summary:after{content:"−"}.faq-list p{margin:12px 0 0;color:var(--ink-soft);font-size:14px}
    .cta{padding:70px 0;background:var(--coral);color:#fff}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{margin:0 0 10px;font-size:clamp(30px,4vw,48px);line-height:1.2}.cta p{margin:0;color:rgba(255,255,255,.8)}.cta .btn{flex:none}
    .footer{padding:65px 0 25px;background:var(--ink);color:#fff}.footer-top{display:grid;grid-template-columns:1.5fr .8fr .8fr .8fr;gap:42px}.footer-intro{max-width:330px;margin:20px 0 0;color:rgba(255,255,255,.6);font-size:14px}.footer h3{margin:6px 0 16px;font-size:15px}.footer-top>div:not(:first-child) a{display:block;margin:8px 0;color:rgba(255,255,255,.62);font-size:14px;transition:.2s}.footer-top>div:not(:first-child) a:hover{color:#ffc976}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:50px;padding-top:20px;border-top:1px solid rgba(255,255,255,.13);color:rgba(255,255,255,.46);font-size:12px}.footer-bottom span{margin-right:18px}
    @media(max-width:900px){.split,.split.reverse,.feature-grid,.faq-wrap{grid-template-columns:1fr;gap:35px}.metric-grid{grid-template-columns:repeat(2,1fr)}.footer-top{grid-template-columns:1fr 1fr}.float-card{right:15px}.cta-inner{align-items:flex-start;flex-direction:column}}
    @media(max-width:700px){.container{width:min(100% - 28px,1180px)}.brand-row{height:68px}.brand-actions .btn{display:none}.nav-toggle{display:block}.channel-row{display:none}.channel-row.open{display:block}.channel-nav{padding:8px 0;display:grid;grid-template-columns:1fr 1fr}.channel-nav a{padding:10px 12px}.channel-nav a.active:after{left:12px;right:auto;width:28px}.inner-hero{padding:72px 0 80px}.section{padding:68px 0}.scenario-grid,.steps{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line)}.metric-grid{grid-template-columns:1fr 1fr}.visual-card img{height:310px}.footer-bottom{display:block}.footer-bottom div:last-child{margin-top:12px}}
    @media(max-width:520px){.metric strong{font-size:28px}.metric{padding:20px 15px}.hero-actions,.hero-actions .btn{width:100%}.footer-top{grid-template-columns:1fr}.brand{font-size:21px}.float-card{position:relative;right:auto;bottom:auto;margin:-35px 15px 0}}

/* roulang page: category6 */
:root{
      --ink:#172033;--ink-soft:#536078;--coral:#ff5d55;--coral-deep:#e94842;
      --gold:#f3bd62;--cream:#fff8ed;--mist:#f4f6fa;--paper:#fff;--line:#e8ebf2;
      --radius-lg:28px;--radius-md:18px;--shadow:0 18px 50px rgba(28,36,58,.10);
      --shadow-coral:0 24px 60px rgba(255,93,85,.18)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fff;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
    a{text-decoration:none;color:inherit}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:24px;height:3px;border-radius:9px;background:var(--gold)}
    .section{padding:96px 0}
    .section-head{max-width:700px;margin-bottom:40px}
    .section-head h2{margin:13px 0;font-size:clamp(30px,4vw,50px);line-height:1.2;letter-spacing:-.045em}
    .section-head p{margin:0;color:var(--ink-soft);font-size:17px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:50px;padding:0 23px;border:1px solid transparent;border-radius:999px;font-weight:800;transition:.25s ease}
    .btn:hover{transform:translateY(-3px)}
    .btn-primary{color:#fff;background:var(--coral);box-shadow:0 12px 26px rgba(255,93,85,.24)}
    .btn-primary:hover{background:var(--coral-deep);box-shadow:var(--shadow-coral)}
    .btn-light{color:var(--ink);background:#fff;box-shadow:0 10px 25px rgba(20,25,40,.12)}
    .btn-outline{color:var(--ink);background:#fff;border-color:var(--line)}
    .btn-outline:hover{border-color:var(--coral);color:var(--coral)}
    .tag{display:inline-flex;padding:6px 11px;border-radius:999px;background:#fff1ed;color:var(--coral);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(232,235,242,.9)}
    .brand-row{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:950;letter-spacing:-.06em}
    .brand-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:13px;color:#fff;background:linear-gradient(135deg,var(--coral),#ff9470);box-shadow:0 8px 18px rgba(255,93,85,.25);font-size:19px}
    .brand small{display:block;margin-top:-4px;color:#8b94a7;font-size:10px;font-weight:700;letter-spacing:.14em;line-height:1}
    .brand-actions{display:flex;align-items:center;gap:12px}
    .nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
    .channel-row{border-top:1px solid #f1f2f6}
    .channel-nav{display:flex;align-items:center;gap:8px;min-height:54px;overflow-x:auto;scrollbar-width:none}
    .channel-nav::-webkit-scrollbar{display:none}
    .channel-nav a{position:relative;white-space:nowrap;padding:13px 16px;color:#647087;font-size:14px;font-weight:750;transition:.2s}
    .channel-nav a:hover,.channel-nav a.active{color:var(--coral)}
    .channel-nav a.active:after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:4px;background:var(--coral)}
    .inner-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:86px 0 92px}
    .inner-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(16,23,42,.97),rgba(16,23,42,.64)),url("/assets/images/backpic/back-2.webp") center/cover;z-index:0}
    .inner-hero:after{content:"";position:absolute;width:560px;height:560px;right:-170px;top:-250px;border:1px solid rgba(243,189,98,.35);border-radius:50%;box-shadow:0 0 0 70px rgba(243,189,98,.05),0 0 0 140px rgba(243,189,98,.035)}
    .inner-hero .container{position:relative;z-index:1}
    .hero-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    .hero-kicker{display:inline-flex;align-items:center;gap:9px;padding:8px 14px;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:#ffe2ae;background:rgba(255,255,255,.08);font-size:13px;font-weight:800}
    .hero-kicker i{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(243,189,98,.16)}
    .inner-hero h1{margin:22px 0 18px;max-width:650px;font-size:clamp(42px,6vw,72px);line-height:1.08;letter-spacing:-.07em}
    .inner-hero h1 em{font-style:normal;color:#ffc976}
    .hero-copy{color:rgba(255,255,255,.78);font-size:18px;max-width:610px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px}
    .invite-panel{padding:28px;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);background:rgba(255,255,255,.1);box-shadow:0 25px 70px rgba(0,0,0,.2);backdrop-filter:blur(12px)}
    .invite-panel h3{margin:0 0 8px;font-size:22px}
    .invite-panel p{margin:0;color:rgba(255,255,255,.7);font-size:14px}
    .reward{display:flex;align-items:end;justify-content:space-between;margin:27px 0 10px}
    .reward strong{font-size:37px;color:#ffd17d;line-height:1}
    .reward span{font-size:13px;color:rgba(255,255,255,.65)}
    .progress{height:10px;overflow:hidden;border-radius:99px;background:rgba(255,255,255,.16)}
    .progress i{display:block;width:72%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--coral),var(--gold))}
    .panel-note{display:flex;justify-content:space-between;margin-top:12px;color:rgba(255,255,255,.63);font-size:12px}
    .stat-strip{background:var(--cream);border-bottom:1px solid #f4eadb}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);padding:25px 0}
    .stat{padding:10px 24px;border-right:1px solid #eadfce}
    .stat:last-child{border:0}
    .stat strong{display:block;font-size:26px;line-height:1.2}
    .stat span{color:var(--ink-soft);font-size:13px}
    .support-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
    .support-grid img{height:430px;width:100%;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
    .support-text p{color:var(--ink-soft);font-size:16px}
    .check-list{display:grid;gap:14px;margin:25px 0 0;padding:0;list-style:none}
    .check-list li{display:flex;gap:12px;color:#425069;font-size:15px}
    .check-list b{flex:0 0 25px;display:grid;place-items:center;width:25px;height:25px;border-radius:50%;color:var(--coral);background:#fff0eb}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .topic-card{padding:25px;border:1px solid var(--line);border-radius:var(--radius-md);background:#fff;transition:.25s;box-shadow:0 8px 28px rgba(28,36,58,.04)}
    .topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#ffd0c6}
    .topic-icon{display:grid;place-items:center;width:43px;height:43px;border-radius:14px;background:#fff0eb;color:var(--coral);font-size:20px;font-weight:900}
    .topic-card h3{margin:18px 0 7px;font-size:20px}
    .topic-card p{margin:0;color:var(--ink-soft);font-size:14px}
    .process{background:var(--mist)}
    .process-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .process-step{position:relative;padding:25px 25px 25px 0;margin-right:24px}
    .process-step:not(:last-child):after{content:"→";position:absolute;right:0;top:36px;color:var(--coral);font-size:23px}
    .step-no{color:var(--coral);font-size:13px;font-weight:900;letter-spacing:.1em}
    .process-step h3{margin:9px 0 7px;font-size:19px}
    .process-step p{margin:0;color:var(--ink-soft);font-size:14px}
    .notice{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .notice-card{padding:29px;border-radius:var(--radius-lg);background:var(--ink);color:#fff}
    .notice-card.light{background:#fff4e2;color:var(--ink)}
    .notice-card h3{margin:0 0 10px;font-size:23px}
    .notice-card p{margin:0;color:rgba(255,255,255,.72);font-size:15px}
    .notice-card.light p{color:var(--ink-soft)}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
    .faq-wrap>div:first-child p{color:var(--ink-soft)}
    .faq-list{display:grid;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:15px;background:#fff;overflow:hidden}
    .faq-item button{display:flex;align-items:center;justify-content:space-between;width:100%;padding:19px 21px;border:0;background:transparent;color:var(--ink);text-align:left;font-weight:800}
    .faq-item button span{color:var(--coral);font-size:22px;transition:.25s}
    .faq-answer{display:none;padding:0 21px 19px;color:var(--ink-soft);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open button span{transform:rotate(45deg)}
    .cta{padding:76px 0;background:linear-gradient(115deg,#ff6258,#e94c45);color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:35px}
    .cta h2{margin:0 0 10px;font-size:clamp(30px,4vw,47px);line-height:1.2;letter-spacing:-.05em}
    .cta p{margin:0;color:rgba(255,255,255,.78);max-width:650px}
    .footer{padding:70px 0 24px;background:#121a2d;color:#fff}
    .footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
    .footer .brand{margin-bottom:18px}
    .footer-intro{max-width:350px;color:rgba(255,255,255,.58);font-size:14px}
    .footer h3{margin:5px 0 16px;color:#fff;font-size:15px}
    .footer-top>div:not(:first-child) a{display:block;margin:9px 0;color:rgba(255,255,255,.58);font-size:14px;transition:.2s}
    .footer-top a:hover{color:#ffc976}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:52px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.45);font-size:12px}
    .footer-bottom div:first-child{display:flex;flex-wrap:wrap;gap:18px}
    :focus-visible{outline:3px solid rgba(255,93,85,.4);outline-offset:3px}
    @media(max-width:900px){.hero-layout,.support-grid,.faq-wrap{grid-template-columns:1fr;gap:35px}.hero-layout{gap:42px}.topic-grid{grid-template-columns:repeat(2,1fr)}.process-row{grid-template-columns:repeat(2,1fr)}.footer-top{grid-template-columns:1.3fr 1fr 1fr}.stats{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border:0}.stat{margin:8px 0}}
    @media(max-width:650px){.container{width:min(100% - 28px,1180px)}.brand-row{height:68px}.brand-actions .btn{display:none}.nav-toggle{display:block}.channel-row{display:none}.channel-row.show{display:block}.channel-nav{padding:8px 0;align-items:flex-start;flex-direction:column}.channel-nav a{padding:8px 12px;width:100%}.channel-nav a.active:after{left:0;right:auto;width:4px;height:22px;bottom:9px}.inner-hero{padding:62px 0 68px}.inner-hero h1{font-size:43px}.hero-copy{font-size:16px}.invite-panel{padding:22px}.section{padding:68px 0}.section-head{margin-bottom:28px}.section-head h2{font-size:33px}.topic-grid,.notice{grid-template-columns:1fr}.process-row{display:block}.process-step{padding:18px 0;margin:0;border-bottom:1px solid var(--line)}.process-step:not(:last-child):after{display:none}.support-grid img{height:300px}.stats{grid-template-columns:1fr 1fr}.stat{padding:10px 12px;border-right:1px solid #eadfce!important}.stat:nth-child(even){border:0!important}.stat strong{font-size:22px}.cta-inner{display:block}.cta .btn{margin-top:24px}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-top>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom div:first-child{display:grid;gap:6px;margin-bottom:10px}}

/* roulang page: category5 */
:root{--ink:#172033;--ink-soft:#536078;--coral:#ff5d55;--coral-deep:#e94842;--gold:#f3bd62;--cream:#fff8ed;--mist:#f4f6fa;--paper:#fff;--line:#e8ebf2;--radius-lg:28px;--radius-md:18px;--shadow:0 18px 50px rgba(28,36,58,.10);--shadow-coral:0 24px 60px rgba(255,93,85,.18)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#fff;color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.14em}
    .eyebrow:before{content:"";width:24px;height:3px;border-radius:9px;background:var(--gold)}
    .section{padding:96px 0}
    .section-head{max-width:700px;margin-bottom:40px}
    .section-head h2{margin:14px 0;font-size:clamp(30px,4vw,52px);line-height:1.18;letter-spacing:-.04em}
    .section-head p{margin:0;color:var(--ink-soft);font-size:17px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 23px;border:1px solid transparent;border-radius:999px;font-weight:800;transition:.25s ease}
    .btn:hover{transform:translateY(-3px)}
    .btn-primary{color:#fff;background:var(--coral);box-shadow:0 12px 26px rgba(255,93,85,.25)}
    .btn-primary:hover{background:var(--coral-deep);box-shadow:var(--shadow-coral)}
    .btn-light{color:var(--ink);background:#fff;box-shadow:0 10px 25px rgba(20,25,40,.12)}
    .btn-outline{color:var(--ink);background:#fff;border-color:var(--line)}
    .btn-outline:hover{border-color:var(--coral);color:var(--coral)}
    .tag{display:inline-flex;padding:6px 11px;border-radius:999px;background:#fff1ed;color:var(--coral);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(232,235,242,.85)}
    .brand-row{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:950;letter-spacing:-.06em}
    .brand-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:13px;color:#fff;background:linear-gradient(135deg,var(--coral),#ff9470);box-shadow:0 8px 18px rgba(255,93,85,.25);font-size:19px}
    .brand small{display:block;margin-top:-4px;color:#8b94a7;font-size:10px;font-weight:700;letter-spacing:.14em;line-height:1}
    .brand-actions{display:flex;align-items:center;gap:12px}
    .nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
    .channel-row{border-top:1px solid #f1f2f6}
    .channel-nav{display:flex;align-items:center;gap:8px;min-height:54px;overflow-x:auto;scrollbar-width:none}
    .channel-nav::-webkit-scrollbar{display:none}
    .channel-nav a{position:relative;white-space:nowrap;padding:13px 16px;color:#647087;font-size:14px;font-weight:750;transition:.2s}
    .channel-nav a:hover,.channel-nav a.active{color:var(--coral)}
    .channel-nav a.active:after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:4px;background:var(--coral)}
    .inner-hero{position:relative;overflow:hidden;color:#fff;padding:92px 0 90px;background:var(--ink)}
    .inner-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(14,21,38,.96),rgba(14,21,38,.68)),url("/assets/images/backpic/back-2.webp") center/cover;opacity:.98}
    .inner-hero .container{position:relative}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
    .hero-kicker{display:inline-flex;gap:9px;align-items:center;padding:8px 14px;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:#ffe2ae;background:rgba(255,255,255,.08);font-size:13px;font-weight:800}
    .hero-kicker i{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(243,189,98,.16)}
    .inner-hero h1{margin:22px 0 18px;max-width:650px;font-size:clamp(42px,6vw,72px);line-height:1.08;letter-spacing:-.07em}
    .inner-hero h1 em{font-style:normal;color:#ffc976}
    .inner-hero p{max-width:620px;margin:0;color:rgba(255,255,255,.78);font-size:18px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:30px}
    .score-panel{padding:25px;border:1px solid rgba(255,255,255,.16);border-radius:26px;background:rgba(255,255,255,.09);box-shadow:0 24px 70px rgba(0,0,0,.18);backdrop-filter:blur(15px)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;color:#fff}
    .panel-top strong{font-size:18px}.panel-top span{color:#ffd58d;font-size:12px}
    .rank-row{display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:center;padding:14px 0;border-top:1px solid rgba(255,255,255,.12)}
    .rank-row b{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:rgba(243,189,98,.18);color:#ffd58d;font-size:13px}
    .rank-name{font-weight:800}.rank-name small{display:block;color:rgba(255,255,255,.55);font-size:12px;font-weight:400}
    .rank-value{color:#fff;font-size:14px;font-weight:850}
    .stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:27px 0;border-bottom:1px solid var(--line)}
    .stat{padding:6px 24px;border-right:1px solid var(--line)}.stat:first-child{padding-left:0}.stat:last-child{border:0}
    .stat strong{display:block;color:var(--coral);font-size:29px;line-height:1.15}.stat span{color:var(--ink-soft);font-size:13px}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}
    .visual-card{position:relative}.visual-card img{width:100%;height:460px;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
    .floating-note{position:absolute;right:-22px;bottom:24px;width:210px;padding:17px 18px;border-radius:18px;background:#fff;box-shadow:var(--shadow);border:1px solid var(--line)}
    .floating-note strong{display:block;color:var(--coral);font-size:25px;line-height:1.2}.floating-note span{color:var(--ink-soft);font-size:13px}
    .copy h2{margin:14px 0;font-size:clamp(30px,4vw,48px);line-height:1.2;letter-spacing:-.045em}
    .copy>p{color:var(--ink-soft);font-size:16px}
    .check-list{display:grid;gap:14px;margin:24px 0 0;padding:0;list-style:none}
    .check-list li{display:flex;gap:12px;color:#425069}.check-list b{flex:0 0 24px;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;color:var(--coral);background:#fff1ed;font-size:13px}
    .benefit-layout{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
    .benefit-card{grid-column:span 4;padding:28px;border:1px solid var(--line);border-radius:var(--radius-md);background:#fff;box-shadow:0 8px 24px rgba(30,39,61,.04);transition:.25s}
    .benefit-card:first-child{grid-column:span 5;background:var(--cream)}.benefit-card:nth-child(2){grid-column:span 7}
    .benefit-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .icon-box{display:grid;place-items:center;width:46px;height:46px;margin-bottom:20px;border-radius:15px;background:var(--coral);color:#fff;font-weight:900}
    .benefit-card h3{margin:0 0 9px;font-size:22px}.benefit-card p{margin:0;color:var(--ink-soft);font-size:14px}
    .process{background:var(--mist)}.process-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:58px;align-items:start}
    .process-intro{padding:30px;border-radius:var(--radius-lg);background:var(--ink);color:#fff}.process-intro h2{margin:14px 0;font-size:38px;line-height:1.2}.process-intro p{color:rgba(255,255,255,.7)}
    .steps{display:grid;gap:0}.step{display:grid;grid-template-columns:58px 1fr;gap:20px;padding:0 0 28px;position:relative}.step:not(:last-child):after{content:"";position:absolute;left:28px;top:53px;bottom:0;width:1px;background:#d7dce6}
    .step-num{position:relative;z-index:1;display:grid;place-items:center;width:56px;height:56px;border-radius:18px;background:#fff;color:var(--coral);font-weight:900;box-shadow:0 8px 22px rgba(22,31,52,.08)}
    .step h3{margin:4px 0 5px;font-size:19px}.step p{margin:0;color:var(--ink-soft);font-size:14px}
    .quote-section{padding:88px 0}.quote-box{display:grid;grid-template-columns:1fr 1.2fr;gap:36px;align-items:center;padding:42px;border-radius:var(--radius-lg);background:linear-gradient(135deg,#fff3df,#fff8ed);border:1px solid #f7e5c9}
    .quote-box img{width:100%;height:260px;object-fit:cover;border-radius:20px}.quote-text blockquote{margin:0;font-size:clamp(22px,3vw,34px);font-weight:850;line-height:1.45;letter-spacing:-.03em}.quote-text cite{display:block;margin-top:18px;color:var(--ink-soft);font-size:14px;font-style:normal}
    .comparison{background:#fff}.comparison-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.compare-card{padding:28px;border:1px solid var(--line);border-radius:22px}.compare-card.highlight{border-color:#ffc3bb;background:#fff8f6;box-shadow:var(--shadow-coral)}.compare-card h3{margin:0 0 18px;font-size:21px}.compare-card ul{padding:0;margin:0;list-style:none;display:grid;gap:13px}.compare-card li{display:flex;gap:10px;color:var(--ink-soft);font-size:14px}.compare-card li:before{content:"✓";color:var(--coral);font-weight:900}
    .faq-section{background:var(--mist)}.faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:65px}.faq-intro h2{margin:14px 0;font-size:42px;line-height:1.2}.faq-intro p{color:var(--ink-soft)}.faq-list{display:grid;gap:12px}.faq-item{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}.faq-item summary{padding:18px 21px;cursor:pointer;font-weight:800;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";float:right;color:var(--coral);font-size:20px}.faq-item[open] summary:after{content:"－"}.faq-answer{padding:0 21px 19px;color:var(--ink-soft);font-size:14px}
    .cta{padding:95px 0}.cta-box{position:relative;overflow:hidden;padding:55px 60px;border-radius:var(--radius-lg);background:var(--coral);color:#fff}.cta-box:after{content:"";position:absolute;right:-80px;top:-160px;width:390px;height:390px;border:1px solid rgba(255,255,255,.25);border-radius:50%;box-shadow:0 0 0 55px rgba(255,255,255,.07),0 0 0 110px rgba(255,255,255,.04)}.cta-box h2{position:relative;z-index:1;max-width:680px;margin:0 0 13px;font-size:clamp(30px,4vw,52px);line-height:1.18;letter-spacing:-.05em}.cta-box p{position:relative;z-index:1;max-width:650px;margin:0;color:rgba(255,255,255,.8)}.cta-box .btn{position:relative;z-index:1;margin-top:26px}
    .footer{padding:62px 0 24px;background:var(--ink);color:#fff}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:45px}.footer .brand{color:#fff}.footer .brand small{color:#aab2c0}.footer-intro{max-width:340px;margin:22px 0 0;color:rgba(255,255,255,.58);font-size:14px}.footer h3{margin:5px 0 16px;font-size:15px}.footer-top>div:not(:first-child) a{display:block;margin:8px 0;color:rgba(255,255,255,.58);font-size:14px;transition:.2s}.footer-top>div:not(:first-child) a:hover{color:#ffc976}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;border-top:1px solid rgba(255,255,255,.13);color:rgba(255,255,255,.48);font-size:12px}.footer-bottom div:first-child{display:flex;flex-wrap:wrap;gap:16px}
    :focus-visible{outline:3px solid rgba(255,93,85,.45);outline-offset:3px}
    @media(max-width:900px){.hero-grid,.split,.process-grid,.faq-grid{grid-template-columns:1fr;gap:38px}.stat-strip{grid-template-columns:repeat(2,1fr);gap:18px}.stat{padding:8px 0;border-right:0}.benefit-card,.benefit-card:first-child,.benefit-card:nth-child(2){grid-column:span 6}.footer-top{grid-template-columns:repeat(2,1fr)}.score-panel{max-width:620px}}
    @media(max-width:640px){.container{width:min(100% - 28px,1180px)}.brand-row{height:68px}.brand{font-size:21px}.brand-mark{width:35px;height:35px}.brand-actions .btn{display:none}.nav-toggle{display:block}.channel-row{display:none}.channel-row.open{display:block}.channel-nav{padding:8px 0;display:grid;grid-template-columns:1fr 1fr;gap:0}.channel-nav a{padding:10px 12px}.channel-nav a.active:after{left:12px;right:auto;width:30px}.inner-hero{padding:65px 0}.inner-hero h1{font-size:44px}.inner-hero p{font-size:16px}.section{padding:70px 0}.visual-card img{height:330px}.floating-note{right:12px;bottom:15px}.benefit-layout,.comparison-grid{display:grid;grid-template-columns:1fr}.benefit-card,.benefit-card:first-child,.benefit-card:nth-child(2){grid-column:auto}.quote-box{grid-template-columns:1fr;padding:23px}.quote-box img{height:220px}.cta-box{padding:36px 25px}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-top>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom div:first-child{display:grid;gap:5px;margin-bottom:12px}}