/* roulang page: index */
:root{
      --ink:#252822;--deep:#20231f;--deep2:#2a2d27;--lime:#b7e53b;--coral:#f27a55;
      --paper:#f5f3ec;--sand:#eae8df;--muted:#62665d;--line:rgba(37,40,34,.13);
      --radius:22px;--shadow:0 18px 45px rgba(32,35,31,.12);--ease:all .28s ease
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none;transition:var(--ease)}img{display:block;width:100%;height:auto}button,input,textarea{font:inherit}button{cursor:pointer;border:0}.grid-container{max-width:1220px;padding-left:24px;padding-right:24px}.site-header{position:sticky;top:0;z-index:20;background:rgba(245,243,236,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.nav-row{min-height:78px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:180px;font-size:20px;font-weight:800;letter-spacing:-.04em}.wing-mark{width:34px;height:26px;position:relative;display:inline-block}.wing-mark:before,.wing-mark:after{content:"";position:absolute;background:var(--lime);width:25px;height:12px;top:6px;border-radius:100% 0 100% 0;transform:rotate(25deg)}.wing-mark:after{right:0;transform:scaleX(-1) rotate(25deg);background:var(--coral)}.chip-nav{display:flex;align-items:center;justify-content:center;gap:7px;flex:1;overflow:auto}.chip-nav a{white-space:nowrap;border:1px solid var(--line);border-radius:100px;padding:6px 13px;font-size:13px;color:var(--muted)}.chip-nav a:hover,.chip-nav a.active{background:var(--deep);color:var(--lime);border-color:var(--deep)}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:100px;padding:12px 20px;font-weight:700;transition:var(--ease)}.nav-cta,.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 8px 20px rgba(183,229,59,.2)}.nav-cta:hover,.btn:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(32,35,31,.18)}.menu-btn{display:none;background:var(--deep);color:var(--lime);border-radius:50%;width:44px;height:44px}.eyebrow{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.section{padding:92px 0}.section-head{max-width:720px;margin-bottom:40px}.section-head h2{font-size:clamp(30px,4vw,44px);line-height:1.2;margin:10px 0 14px;letter-spacing:-.05em}.section-head p{color:var(--muted);font-size:17px;margin:0}.hero{background:var(--deep);color:#fff;min-height:650px;display:flex;align-items:center;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(32,35,31,.95) 20%,rgba(32,35,31,.5)),url("/assets/images/backpic/back-1.webp") center/cover;opacity:.88}.hero .grid-container{position:relative;width:100%}.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:center}.hero h1{font-size:clamp(42px,6vw,68px);line-height:1.14;letter-spacing:-.07em;margin:14px 0 24px}.hero p{font-size:18px;color:#d9ddd2;max-width:610px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0}.btn-secondary{border:1px solid rgba(255,255,255,.3);color:#fff;background:transparent}.btn-secondary:hover{border-color:var(--lime);color:var(--lime)}.hero-stats{display:flex;gap:28px;margin-top:26px}.stat strong{display:block;color:var(--lime);font-size:25px;line-height:1}.stat span{font-size:12px;color:#b9beb3}.stage{position:relative;min-height:450px}.stage-main{height:430px;object-fit:cover;border-radius:36px 8px 36px 8px;box-shadow:24px 24px 0 rgba(183,229,59,.2)}.stage-note{position:absolute;left:-36px;bottom:28px;background:var(--lime);color:var(--ink);padding:18px 20px;border-radius:8px 20px 8px 20px;width:190px;box-shadow:var(--shadow)}.stage-note b{font-size:25px;display:block}.ticker{position:absolute;bottom:0;left:0;right:0;background:rgba(0,0,0,.25);border-top:1px solid rgba(255,255,255,.15);padding:12px 0;color:#d9ddd2;font-size:13px}.ticker span{color:var(--lime);margin-right:20px}.matrix{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}.matrix-card{min-height:190px;padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);position:relative;overflow:hidden}.matrix-card.big{grid-column:span 2;background:var(--deep);color:#fff}.matrix-card:hover,.story:hover,.news-item:hover,.plan:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.matrix-icon{font-size:26px;color:var(--coral)}.matrix-card h3{font-size:22px;margin:12px 0 7px}.matrix-card p{color:var(--muted);margin:0;font-size:14px}.matrix-card.big p{color:#c9cec3}.text-link{display:inline-block;margin-top:16px;color:var(--coral);font-weight:700;font-size:14px}.split{display:grid;grid-template-columns:4fr 8fr;gap:44px;align-items:start}.side-note{border-left:4px solid var(--lime);padding-left:22px}.side-note h3{font-size:27px;line-height:1.35;margin:0 0 14px}.side-note p{color:var(--muted)}.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}.feature{background:#fff;border-radius:18px;padding:24px;border:1px solid var(--line)}.feature:nth-child(3){grid-column:span 2;background:var(--sand)}.feature h3{margin:0 0 8px;font-size:20px}.feature p{margin:0;color:var(--muted);font-size:15px}.dark-band{background:var(--deep);color:#fff}.process{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}.step{border-top:2px solid var(--lime);padding-top:18px}.step b{font-size:36px;color:var(--lime);display:block}.step h3{margin:4px 0}.step p{color:#bfc6b8;font-size:15px}.scene-grid{display:grid;grid-template-columns:5fr 3fr 4fr;gap:18px;align-items:stretch}.scene{min-height:300px;padding:26px;border-radius:20px;background-size:cover;background-position:center;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;position:relative;overflow:hidden}.scene:before{content:"";position:absolute;inset:0;background:linear-gradient(transparent 25%,rgba(20,22,19,.9))}.scene>*{position:relative}.scene:nth-child(2){min-height:390px}.scene h3{margin:0;font-size:24px}.scene p{font-size:14px;color:#e2e5dc}.brand-story{display:grid;grid-template-columns:7fr 5fr;gap:50px;align-items:center}.brand-story img{height:360px;object-fit:cover;border-radius:8px 32px 8px 32px}.brand-story p{color:var(--muted)}.quote{border-left:4px solid var(--coral);padding:12px 20px;font-size:20px;line-height:1.55}.milestones{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}.mile{padding:26px 20px;border-right:1px solid var(--line)}.mile:last-child{border:0}.mile strong{font-size:32px;color:var(--coral)}.mile h3{font-size:18px;margin:4px 0}.mile p{font-size:14px;color:var(--muted)}.case-layout{display:grid;grid-template-columns:7fr 5fr;gap:24px}.case-main{background:var(--deep);color:#fff;border-radius:24px;overflow:hidden}.case-main img{height:285px;object-fit:cover}.case-copy{padding:28px}.case-copy p{color:#c6cbc0}.mini-cases{display:grid;gap:14px}.story{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px;transition:var(--ease)}.story h3{font-size:18px;margin:0 0 5px}.story p{font-size:14px;color:var(--muted);margin:0}.price-wrap{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start}.plans{display:grid;grid-template-columns:1fr 1fr;gap:16px}.plan{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;transition:var(--ease);position:relative}.plan.recommend{border:2px solid var(--lime)}.badge{display:inline-block;border-radius:100px;background:var(--sand);color:var(--muted);padding:4px 10px;font-size:12px;font-weight:700}.recommend .badge{background:var(--lime);color:var(--ink)}.plan h3{font-size:24px;margin:16px 0 5px}.price{font-size:27px;font-weight:800}.plan p{font-size:14px;color:var(--muted)}.plan ul{padding-left:20px;color:var(--muted);font-size:14px}.plan li{margin:6px 0}.news-layout{display:grid;grid-template-columns:5fr 7fr;gap:32px}.featured-news{background:#fff;border-radius:24px;overflow:hidden;border:1px solid var(--line)}.featured-news img{height:285px;object-fit:cover}.featured-news .copy{padding:25px}.featured-news h3{font-size:25px;line-height:1.35}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:90px 1fr auto;gap:18px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line);transition:var(--ease)}.news-date{color:var(--coral);font-weight:800;font-size:13px}.news-item h3{font-size:17px;margin:0 0 3px}.news-item p{font-size:13px;color:var(--muted);margin:0}.news-item .text-link{margin:0;white-space:nowrap}.assure{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}.assure-card{padding:28px;background:var(--sand);border-radius:20px}.assure-card h3{margin:0 0 7px}.assure-card p{margin:0;color:var(--muted);font-size:15px}.app-band{background:#dfe9bd}.app-layout{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center}.app-panel{background:var(--deep);color:#fff;padding:30px;border-radius:26px;transform:rotate(2deg);box-shadow:16px 16px 0 var(--coral)}.app-panel .line{display:flex;justify-content:space-between;border-bottom:1px solid #555c50;padding:14px 0;color:#dfe3d8}.faq-list{max-width:900px}.accordion{background:transparent}.accordion-title{font-weight:700;color:var(--ink);border:0;border-bottom:1px solid var(--line);padding:20px 45px 20px 0;font-size:18px}.accordion-title:hover{color:var(--coral)}.accordion-content{border:0;background:transparent;color:var(--muted);padding:0 30px 22px 0;font-size:15px}.cta{background:var(--coral);padding:55px 0}.cta-layout{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:36px;line-height:1.2;margin:0 0 10px}.cta p{max-width:650px;margin:0}.cta .btn-primary{background:var(--deep);color:var(--lime)}.footer{background:var(--deep);color:#dce1d5;padding:54px 0 25px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}.footer .brand{color:#fff}.footer p,.footer a{color:#aeb6a8;font-size:14px}.footer a:hover{color:var(--lime)}.footer h3{font-size:15px;color:var(--lime);margin-top:0}.footer-links{display:grid;gap:6px}.copyright{border-top:1px solid #474d43;margin-top:40px;padding-top:18px;font-size:13px;color:#98a091}.copyright a{margin-left:18px}.reveal{opacity:1} :focus-visible{outline:3px solid var(--coral);outline-offset:3px}
    @media(max-width:1024px){.chip-nav{justify-content:flex-start}.hero-grid{gap:35px}.stage-note{left:-12px}.section{padding:72px 0}.scene-grid{grid-template-columns:1fr 1fr}.scene:nth-child(2){min-height:300px}.scene:last-child{grid-column:span 2}.milestones{grid-template-columns:1fr 1fr}.mile:nth-child(2){border-right:0}.mile{border-bottom:1px solid var(--line)}}
    @media(max-width:768px){.nav-row{min-height:68px}.brand{min-width:auto}.chip-nav,.nav-cta{display:none}.menu-btn{display:block;margin-left:auto}.chip-nav.open{display:grid;position:absolute;top:68px;left:16px;right:16px;background:var(--paper);padding:14px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);grid-template-columns:1fr 1fr}.hero{min-height:auto;padding:74px 0 90px}.hero-grid,.brand-story,.case-layout,.price-wrap,.news-layout,.app-layout{grid-template-columns:1fr}.stage{margin-top:30px;min-height:350px}.stage-main{height:350px}.hero-stats{gap:18px}.matrix{grid-template-columns:1fr 1fr}.matrix-card.big{grid-column:span 2}.split{grid-template-columns:1fr}.feature-list{grid-template-columns:1fr}.feature:nth-child(3){grid-column:auto}.process,.assure{grid-template-columns:1fr}.scene-grid{grid-template-columns:1fr}.scene,.scene:nth-child(2),.scene:last-child{min-height:270px;grid-column:auto}.plans{grid-template-columns:1fr}.news-item{grid-template-columns:70px 1fr}.news-item .text-link{display:none}.cta-layout{display:block}.cta .actions{margin-bottom:0}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){.grid-container{padding-left:18px;padding-right:18px}.section{padding:54px 0}.hero h1{font-size:42px}.hero p{font-size:16px}.stage-main{height:290px}.stage{min-height:300px}.stage-note{bottom:8px;padding:12px;width:160px}.matrix{grid-template-columns:1fr}.matrix-card.big{grid-column:auto}.milestones{grid-template-columns:1fr}.mile{border-right:0}.footer-grid{grid-template-columns:1fr}.copyright a{display:inline-block;margin:8px 12px 0 0}}

/* roulang page: category2 */
:root{--ink:#252822;--deep:#20231f;--deep2:#2a2d27;--lime:#b7e53b;--coral:#f27a55;--paper:#f5f3ec;--sand:#eae8df;--muted:#62665d;--line:rgba(37,40,34,.13);--radius:22px;--shadow:0 18px 45px rgba(32,35,31,.12);--ease:all .28s ease}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none;transition:var(--ease)}img{display:block;width:100%;height:auto}button,input,textarea{font:inherit}button{cursor:pointer;border:0}.grid-container{max-width:1220px;padding-left:24px;padding-right:24px}.site-header{position:sticky;top:0;z-index:20;background:rgba(245,243,236,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.nav-row{min-height:78px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:180px;font-size:20px;font-weight:800;letter-spacing:-.04em}.wing-mark{width:27px;height:17px;display:inline-block;position:relative;border-bottom:4px solid var(--lime);border-radius:70% 20%}.wing-mark:before,.wing-mark:after{content:"";position:absolute;width:15px;height:9px;border-top:3px solid var(--coral);top:0}.wing-mark:before{left:0;transform:rotate(25deg)}.wing-mark:after{right:0;transform:rotate(-25deg)}.chip-nav{display:flex;align-items:center;justify-content:flex-start;gap:7px;flex:1;overflow:auto}.chip-nav a{white-space:nowrap;border:1px solid var(--line);border-radius:100px;padding:6px 13px;font-size:13px;color:var(--muted)}.chip-nav a:hover,.chip-nav a.active{background:var(--deep);color:var(--lime);border-color:var(--deep)}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:100px;padding:12px 20px;font-weight:700;transition:var(--ease)}.nav-cta,.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 8px 20px rgba(183,229,59,.2)}.nav-cta:hover,.btn:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(32,35,31,.18)}.menu-btn{display:none;background:var(--deep);color:var(--lime);border-radius:50%;width:44px;height:44px}.eyebrow{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.12em}.section{padding:78px 0}.section-head{max-width:760px;margin-bottom:38px}.section-head h2{font-size:clamp(30px,4vw,44px);line-height:1.2;margin:10px 0 14px;letter-spacing:-.05em}.section-head p{color:var(--muted);font-size:17px;margin:0}.hero-inner{background:var(--deep);color:#fff;min-height:390px;position:relative;overflow:hidden;display:flex;align-items:center}.hero-inner:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(32,35,31,.97) 25%,rgba(32,35,31,.46)),url("/assets/images/backpic/back-2.webp") center/cover;opacity:.9}.hero-inner .grid-container{position:relative;width:100%}.hero-copy{max-width:730px;padding:54px 0}.hero-copy h1{font-size:clamp(40px,5vw,62px);line-height:1.15;letter-spacing:-.07em;margin:12px 0 18px}.hero-copy p{color:#d9ddd2;font-size:18px;max-width:680px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.btn-secondary{border:1px solid rgba(255,255,255,.32);color:#fff;background:transparent}.btn-secondary:hover{border-color:var(--lime);color:var(--lime)}.topic-bar{background:var(--sand);border-bottom:1px solid var(--line)}.topic-row{display:flex;gap:10px;align-items:center;padding:17px 0;overflow:auto}.topic-row a{padding:7px 15px;border-radius:100px;border:1px solid rgba(37,40,34,.18);font-size:14px;white-space:nowrap}.topic-row a:hover,.topic-row a.active{background:var(--coral);color:#fff;border-color:var(--coral)}.feature-layout{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:stretch}.cover-card,.article-card,.popular-box,.read-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--ease)}.cover-card:hover,.article-card:hover,.popular-box:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.cover-card img{height:360px;object-fit:cover}.cover-copy{padding:28px}.cover-copy h2{font-size:31px;line-height:1.3;margin:10px 0}.cover-copy p,.article-card p,.popular-box p{color:var(--muted);margin:0}.badge{display:inline-block;border-radius:100px;background:var(--sand);color:var(--muted);padding:4px 11px;font-size:12px;font-weight:700}.badge.hot{background:var(--lime);color:var(--ink)}.text-link{display:inline-block;margin-top:17px;color:var(--coral);font-weight:700;font-size:14px}.side-stack{display:grid;gap:18px}.read-panel{background:var(--deep);color:#fff;padding:26px;display:flex;flex-direction:column;justify-content:space-between}.read-panel p{color:#cbd0c4}.read-panel h3{font-size:25px;line-height:1.35;margin:12px 0}.article-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.article-card{padding:24px}.article-card h3{font-size:21px;line-height:1.4;margin:12px 0 8px}.article-card.wide{grid-column:span 2;background:var(--sand);display:grid;grid-template-columns:1fr 1.4fr;gap:25px;align-items:center}.article-card.wide img{height:220px;object-fit:cover;border-radius:15px}.popular-box{padding:24px}.popular-box h3{margin:0 0 16px;font-size:21px}.popular-list{list-style:none;margin:0;padding:0}.popular-list li{padding:14px 0;border-top:1px solid var(--line);display:flex;gap:13px}.popular-list strong{color:var(--coral);font-size:20px}.deep-band{background:var(--deep);color:#fff}.deep-layout{display:grid;grid-template-columns:5fr 7fr;gap:55px;align-items:start}.deep-layout h2{font-size:38px;line-height:1.25;margin:10px 0 18px}.deep-layout p{color:#d2d7cb}.reading-copy{max-width:760px}.reading-copy p{font-size:17px;line-height:1.95}.reading-copy p:first-child{font-size:20px;color:#fff}.quote{border-left:4px solid var(--lime);padding:9px 0 9px 22px;margin:25px 0;color:#fff;font-size:20px}.note-list{margin:20px 0 0;padding:0;list-style:none}.note-list li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.16);color:#d2d7cb}.note-list li:before{content:"↗";color:var(--lime);margin-right:10px}.editorial{display:grid;grid-template-columns:4fr 8fr;gap:45px;align-items:center}.editorial img{height:370px;object-fit:cover;border-radius:8px 34px 8px 34px}.editorial h2{font-size:36px;line-height:1.25;margin:8px 0 16px}.editorial p{color:var(--muted)}.timeline{border-left:1px solid var(--line);padding-left:28px}.timeline-item{position:relative;padding:0 0 27px}.timeline-item:before{content:"";position:absolute;left:-34px;top:9px;width:11px;height:11px;border-radius:50%;background:var(--coral);border:3px solid var(--paper)}.timeline-item time{font-size:13px;color:var(--coral);font-weight:800}.timeline-item h3{font-size:20px;margin:5px 0}.timeline-item p{margin:0;color:var(--muted)}.faq-list{max-width:900px}.accordion{background:transparent}.accordion-title{font-weight:700;color:var(--ink);border:0;border-bottom:1px solid var(--line);padding:20px 45px 20px 0;font-size:18px}.accordion-title:hover{color:var(--coral)}.accordion-content{border:0;background:var(--sand);padding:18px 24px;color:var(--muted);line-height:1.85}.cta{background:var(--coral);padding:55px 0}.cta-layout{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:36px;line-height:1.2;margin:0 0 10px}.cta p{max-width:650px;margin:0}.cta .btn-primary{background:var(--deep);color:var(--lime)}.footer{background:var(--deep);color:#dce1d5;padding:54px 0 25px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}.footer .brand{color:#fff}.footer p,.footer a{color:#aeb6a8;font-size:14px}.footer a:hover{color:var(--lime)}.footer h3{font-size:15px;color:var(--lime);margin-top:0}.footer-links{display:grid;gap:6px}.copyright{border-top:1px solid #474d43;margin-top:40px;padding-top:18px;font-size:13px;color:#98a091}.copyright a{margin-left:18px}.fade-up{animation:rise .7s ease both}@keyframes rise{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:none}}:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
@media(max-width:1024px){.nav-row{gap:14px}.brand{min-width:150px}.chip-nav a{padding:6px 10px}.feature-layout,.deep-layout{gap:24px}.section{padding:64px 0}}
@media(max-width:768px){.nav-row{min-height:70px}.chip-nav{display:none;position:absolute;top:70px;left:0;right:0;padding:15px 24px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-wrap:wrap}.chip-nav.open{display:flex}.nav-cta{padding:9px 15px;font-size:13px;margin-left:auto}.menu-btn{display:block}.hero-inner{min-height:430px}.hero-copy{padding:46px 0}.feature-layout,.deep-layout,.editorial{grid-template-columns:1fr}.article-card.wide{grid-template-columns:1fr}.article-card.wide img{height:190px}.cover-card img{height:280px}.deep-layout{gap:25px}.editorial img{height:290px}.cta-layout{display:block}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.grid-container{padding-left:18px;padding-right:18px}.hero-copy h1{font-size:40px}.hero-copy p{font-size:16px}.section{padding:48px 0}.section-head{margin-bottom:26px}.section-head h2{font-size:31px}.article-grid{grid-template-columns:1fr}.article-card.wide{grid-column:auto}.footer-grid{grid-template-columns:1fr;gap:22px}.copyright{line-height:2}.copyright a{margin-left:0;display:inline-block;margin-right:12px}}

/* roulang page: category3 */
:root{--ink:#252822;--deep:#20231f;--deep2:#2a2d27;--lime:#b7e53b;--coral:#f27a55;--paper:#f5f3ec;--sand:#eae8df;--muted:#62665d;--line:rgba(37,40,34,.13);--radius:22px;--shadow:0 18px 45px rgba(32,35,31,.12);--ease:all .28s ease}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none;transition:var(--ease)}img{display:block;width:100%;height:auto}button,input,textarea{font:inherit}button{cursor:pointer;border:0}.grid-container{max-width:1220px;padding-left:24px;padding-right:24px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,243,236,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.nav-row{min-height:78px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:180px;font-size:20px;font-weight:800;letter-spacing:-.04em}.wing-mark{width:27px;height:17px;display:inline-block;position:relative;border-top:4px solid var(--lime);border-radius:60% 10% 0 0;transform:skew(-25deg)}.wing-mark:after{content:"";position:absolute;width:19px;height:10px;right:-3px;top:7px;border-top:3px solid var(--coral);border-radius:50%}.chip-nav{display:flex;align-items:center;justify-content:flex-start;gap:7px;flex:1;overflow:auto}.chip-nav a{white-space:nowrap;border:1px solid var(--line);border-radius:100px;padding:6px 13px;font-size:13px;color:var(--muted)}.chip-nav a:hover,.chip-nav a.active{background:var(--deep);color:var(--lime);border-color:var(--deep)}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:100px;padding:12px 20px;font-weight:700;transition:var(--ease)}.nav-cta,.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 8px 20px rgba(183,229,59,.2)}.nav-cta:hover,.btn:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(32,35,31,.18)}.menu-btn{display:none;background:var(--deep);color:var(--lime);border-radius:50%;width:44px;height:44px}.eyebrow{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.12em}.section{padding:78px 0}.section-head{max-width:760px;margin-bottom:38px}.section-head h2{font-size:clamp(30px,4vw,44px);line-height:1.2;margin:10px 0 14px;letter-spacing:-.05em}.section-head p{color:var(--muted);font-size:17px;margin:0}.hero{background:var(--deep);color:#fff;min-height:550px;display:flex;align-items:center;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(32,35,31,.96) 16%,rgba(32,35,31,.57)),url("/assets/images/backpic/back-2.webp") center/cover;opacity:.9}.hero .grid-container{position:relative;width:100%}.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:42px;align-items:center}.hero h1{font-size:clamp(42px,6vw,66px);line-height:1.14;letter-spacing:-.07em;margin:14px 0 22px}.hero p{font-size:18px;color:#d9ddd2;max-width:600px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.btn-secondary{border:1px solid rgba(255,255,255,.3);color:#fff;background:transparent}.btn-secondary:hover{border-color:var(--lime);color:var(--lime)}.hero-stats{display:flex;gap:26px;margin-top:24px}.hero-stats b{display:block;color:var(--lime);font-size:25px}.hero-stats span{font-size:13px;color:#c9cec3}.poster{position:relative}.poster img{height:390px;object-fit:cover;border-radius:38px 8px 38px 8px;box-shadow:22px 22px 0 rgba(183,229,59,.22)}.poster-note{position:absolute;left:-22px;bottom:24px;background:var(--lime);color:var(--ink);padding:16px 19px;border-radius:8px 20px 8px 20px}.poster-note strong{display:block;font-size:24px}.rail{background:var(--lime);padding:14px 0;font-size:14px;font-weight:700}.rail-flex{display:flex;gap:30px;justify-content:space-between;flex-wrap:wrap}.label,.badge{display:inline-block;border-radius:100px;background:var(--sand);color:var(--muted);padding:4px 11px;font-size:12px;font-weight:700}.badge.hot{background:var(--coral);color:var(--ink)}.compare{display:grid;grid-template-columns:1fr 1.35fr;gap:46px;align-items:start}.compare-intro{position:sticky;top:112px}.compare-intro h2{font-size:38px;line-height:1.25;margin:12px 0}.compare-intro p{color:var(--muted)}.compare-intro ul{padding-left:20px;color:var(--muted)}.device-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.device-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--ease)}.device-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.device-card.wide{grid-column:span 2;display:grid;grid-template-columns:1fr 1fr}.device-card img{height:170px;object-fit:cover}.device-card.wide img{height:100%;min-height:220px}.device-copy{padding:20px}.device-copy h3{margin:5px 0 7px;font-size:21px}.device-copy p{margin:0;color:var(--muted);font-size:14px}.text-link{display:inline-block;margin-top:13px;color:var(--coral);font-weight:700;font-size:14px}.dark-band{background:var(--deep);color:#fff}.dark-band p{color:#c9cec3}.method{display:grid;grid-template-columns:1.4fr 1fr;gap:50px}.method h2{font-size:38px;line-height:1.25;margin:10px 0 18px}.steps{display:grid;gap:14px}.step{display:grid;grid-template-columns:46px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.14)}.step b{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--lime);color:var(--ink)}.step h3{margin:0;font-size:18px}.step p{margin:3px 0 0;font-size:14px}.note-box{background:var(--deep2);border-left:4px solid var(--coral);padding:24px;border-radius:4px 18px 18px 4px;align-self:center}.note-box h3{color:var(--lime);margin-top:0}.scene-layout{display:grid;grid-template-columns:7fr 5fr;gap:22px}.scene-main{position:relative;min-height:390px;border-radius:28px;overflow:hidden;background:#444}.scene-main img{height:390px;object-fit:cover}.scene-main .scene-copy{position:absolute;bottom:0;left:0;right:0;padding:28px;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.82))}.scene-copy h3{font-size:27px;margin:25px 0 3px}.scene-copy p{margin:0;color:#e4e8de}.scene-list{display:grid;gap:14px}.scene-item{background:#fff;padding:22px;border:1px solid var(--line);border-radius:18px}.scene-item h3{margin:0 0 5px;font-size:19px}.scene-item p{margin:0;color:var(--muted);font-size:14px}.experience{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}.experience img{height:330px;object-fit:cover;border-radius:8px 32px 8px 32px}.experience p{color:var(--muted)}.experience blockquote{margin:22px 0 0;padding:17px 20px;background:var(--sand);border-left:4px solid var(--lime);font-weight:700}.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.spec-card{padding:25px;background:var(--sand);border-radius:20px}.spec-card strong{font-size:30px;color:var(--coral);display:block}.spec-card h3{margin:5px 0}.spec-card p{margin:0;color:var(--muted);font-size:14px}.checklist{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:28px}.check{padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:15px}.check b{color:var(--coral);margin-right:8px}.faq-list{max-width:900px}.accordion{background:transparent}.accordion-item{border-bottom:1px solid var(--line)}.accordion-title{font-weight:700;color:var(--ink);border:0;padding:20px 45px 20px 0;font-size:18px}.accordion-title:hover{color:var(--coral)}.accordion-content{border:0;background:transparent;color:var(--muted);padding:0 30px 20px 0}.cta{background:var(--coral);padding:55px 0}.cta-layout{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:36px;line-height:1.2;margin:0 0 10px}.cta p{max-width:650px;margin:0}.cta .btn-primary{background:var(--deep);color:var(--lime)}.footer{background:var(--deep);color:#dce1d5;padding:54px 0 25px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}.footer .brand{color:#fff}.footer p,.footer a{color:#aeb6a8;font-size:14px}.footer a:hover{color:var(--lime)}.footer h3{font-size:15px;color:var(--lime);margin-top:0}.footer-links{display:grid;gap:6px}.copyright{border-top:1px solid #474d43;margin-top:40px;padding-top:18px;font-size:13px;color:#98a091}.copyright a{margin-left:18px}.feedback{display:grid;grid-template-columns:1fr 1fr;gap:13px}.feedback input,.feedback textarea{width:100%;padding:12px 15px;border:1px solid var(--line);border-radius:12px;background:#fff;outline:0}.feedback input:focus,.feedback textarea:focus{border-color:var(--coral);box-shadow:0 0 0 3px rgba(242,122,85,.15)}.feedback textarea{grid-column:span 2;min-height:110px}.feedback .btn{justify-self:start}
    @media(max-width:1024px){.nav-row{gap:12px}.brand{min-width:150px}.chip-nav a{padding:6px 9px}.hero-grid,.compare,.method,.experience,.scene-layout{gap:28px}.section{padding:64px 0}}
    @media(max-width:768px){.chip-nav{display:none;position:absolute;top:78px;left:0;right:0;padding:15px 24px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-wrap:wrap}.chip-nav.open{display:flex}.nav-cta{margin-left:auto;padding:10px 14px;font-size:13px}.menu-btn{display:block}.hero{min-height:auto;padding:75px 0}.hero-grid,.compare,.method,.experience,.scene-layout{grid-template-columns:1fr}.compare-intro{position:static}.poster{margin-top:24px}.poster img{height:330px}.device-grid{grid-template-columns:1fr}.device-card.wide{grid-column:auto;display:block}.device-card.wide img{height:190px}.scene-main img,.scene-main{height:330px;min-height:330px}.spec-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.cta-layout{align-items:flex-start;flex-direction:column}}
    @media(max-width:520px){.grid-container{padding-left:18px;padding-right:18px}.hero h1{font-size:40px}.hero p{font-size:16px}.hero-stats{gap:15px}.section{padding:52px 0}.section-head h2,.method h2{font-size:31px}.spec-grid,.checklist,.feedback{grid-template-columns:1fr}.feedback textarea{grid-column:auto}.footer-grid{grid-template-columns:1fr}.copyright a{margin-left:0;display:inline-block;margin-top:8px}.brand{font-size:18px;min-width:auto}.nav-row{min-height:70px}.chip-nav{top:70px}}

/* roulang page: category1 */
:root{
      --ink:#252822;--deep:#20231f;--deep2:#2a2d27;--lime:#b7e53b;--coral:#f27a55;
      --paper:#f5f3ec;--sand:#eae8df;--muted:#62665d;--line:rgba(37,40,34,.13);
      --radius:22px;--shadow:0 18px 45px rgba(32,35,31,.12);--ease:all .28s ease
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;width:100%;height:auto}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .grid-container{max-width:1220px;padding-left:24px;padding-right:24px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,243,236,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .nav-row{min-height:78px;display:flex;align-items:center;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;min-width:180px;font-size:20px;font-weight:800;letter-spacing:-.04em}
    .wing-mark{display:inline-block;width:27px;height:18px;position:relative;background:var(--lime);border-radius:18px 3px 18px 3px;transform:skew(-18deg)}
    .wing-mark:after{content:"";position:absolute;width:15px;height:8px;right:-7px;top:-5px;background:var(--coral);border-radius:10px 2px 10px 2px}
    .chip-nav{display:flex;align-items:center;gap:7px;flex:1;overflow:auto}
    .chip-nav a{white-space:nowrap;border:1px solid var(--line);border-radius:100px;padding:6px 13px;font-size:13px;color:var(--muted)}
    .chip-nav a:hover,.chip-nav a.active{background:var(--deep);color:var(--lime);border-color:var(--deep)}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:100px;padding:12px 20px;font-weight:700;transition:var(--ease)}
    .nav-cta,.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 8px 20px rgba(183,229,59,.2)}
    .nav-cta:hover,.btn:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(32,35,31,.18)}
    .menu-btn{display:none;background:var(--deep);color:var(--lime);border-radius:50%;width:44px;height:44px}
    .section{padding:78px 0}
    .eyebrow{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.12em}
    .section-head{max-width:740px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,44px);line-height:1.2;margin:10px 0 14px;letter-spacing:-.05em}
    .section-head p{color:var(--muted);font-size:17px;margin:0}
    .page-banner{position:relative;color:#fff;background:var(--deep);padding:68px 0 62px;overflow:hidden}
    .page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(32,35,31,.96),rgba(32,35,31,.57)),url("/assets/images/backpic/back-2.webp") center/cover;opacity:.9}
    .page-banner .grid-container{position:relative}
    .banner-layout{display:grid;grid-template-columns:7fr 5fr;gap:50px;align-items:end}
    .page-banner h1{font-size:clamp(42px,6vw,66px);line-height:1.15;letter-spacing:-.07em;margin:13px 0 18px}
    .page-banner p{max-width:700px;color:#dce1d5;font-size:18px;margin:0}
    .banner-mark{border-left:3px solid var(--lime);padding:16px 0 16px 22px;color:#e7eadf}
    .banner-mark strong{display:block;font-size:38px;color:var(--lime);line-height:1.1}
    .banner-mark span{font-size:14px;color:#b5beb0}
    .filter-bar{background:var(--sand);padding:22px 0;border-bottom:1px solid var(--line)}
    .filter-inner{display:flex;justify-content:space-between;align-items:center;gap:20px}
    .filter-label{font-size:14px;font-weight:800}
    .filters{display:flex;gap:8px;flex-wrap:wrap}
    .filter{padding:8px 15px;border:1px solid var(--line);border-radius:100px;color:var(--muted);font-size:13px;background:transparent}
    .filter:hover,.filter.active{background:var(--deep);border-color:var(--deep);color:var(--lime)}
    .feature-story{display:grid;grid-template-columns:7fr 5fr;gap:0;background:var(--deep);border-radius:26px;overflow:hidden;color:#fff;box-shadow:var(--shadow)}
    .feature-story img{height:100%;min-height:390px;object-fit:cover}
    .story-copy{padding:42px 45px;display:flex;flex-direction:column;justify-content:center}
    .story-copy h2{font-size:34px;line-height:1.3;margin:15px 0}
    .story-copy p{color:#cbd2c5;margin:0 0 22px}
    .badge{display:inline-block;width:max-content;border-radius:100px;background:var(--sand);color:var(--muted);padding:4px 11px;font-size:12px;font-weight:700}
    .badge.coral{background:var(--coral);color:var(--deep)}
    .timeline-wrap{display:grid;grid-template-columns:3fr 9fr;gap:58px}
    .timeline-intro{position:sticky;top:108px;align-self:start}
    .timeline-intro h2{font-size:35px;line-height:1.25;margin:10px 0 15px}
    .timeline-intro p{color:var(--muted)}
    .timeline{border-left:1px solid var(--line);padding-left:34px}
    .timeline-item{position:relative;display:grid;grid-template-columns:112px 1fr;gap:24px;padding:0 0 34px;margin-bottom:30px;border-bottom:1px solid var(--line)}
    .timeline-item:before{content:"";position:absolute;left:-40px;top:8px;width:11px;height:11px;border-radius:50%;background:var(--lime);border:3px solid var(--paper)}
    .date{font-size:14px;font-weight:800;color:var(--coral)}
    .timeline-item h3{font-size:22px;line-height:1.35;margin:0 0 8px}
    .timeline-item p{font-size:15px;color:var(--muted);margin:0 0 10px}
    .text-link{display:inline-block;color:var(--coral);font-weight:800;font-size:14px}
    .event-strip{background:var(--lime);padding:28px 0}
    .event-grid{display:grid;grid-template-columns:2fr 5fr 2fr;align-items:center;gap:30px}
    .event-grid h2{font-size:24px;line-height:1.3;margin:0}
    .event-grid p{margin:0;font-size:15px}
    .event-meta{border-left:1px solid rgba(37,40,34,.25);padding-left:25px}
    .event-meta strong{display:block;font-size:22px}
    .deep-reading{background:var(--deep2);color:#fff}
    .reading-grid{display:grid;grid-template-columns:5fr 7fr;gap:65px;align-items:start}
    .reading-grid h2{font-size:37px;line-height:1.25;margin:12px 0 22px}
    .reading-grid p{color:#cbd2c5;font-size:16px}
    .reading-points{display:grid;gap:17px;margin-top:25px}
    .reading-point{display:flex;gap:15px;border-top:1px solid rgba(255,255,255,.14);padding-top:15px}
    .reading-point b{color:var(--lime);font-size:22px}
    .reading-point span{color:#d3d9ce}
    .observation{background:#fff;border-radius:22px;padding:32px;border:1px solid var(--line)}
    .observation h3{font-size:25px;margin:0 0 16px}
    .observation p{color:var(--muted);margin:0 0 15px}
    .observation ul{margin:0;padding-left:21px;color:var(--muted)}
    .recommend-grid{display:grid;grid-template-columns:5fr 7fr;gap:22px}
    .recommend-main{background:#fff;border-radius:22px;overflow:hidden;border:1px solid var(--line)}
    .recommend-main img{height:260px;object-fit:cover}
    .recommend-copy{padding:25px}
    .recommend-copy h3{font-size:25px;line-height:1.35;margin:12px 0 8px}
    .recommend-copy p{color:var(--muted);margin:0}
    .recommend-list{display:grid;gap:12px}
    .recommend-item{display:grid;grid-template-columns:112px 1fr;gap:17px;padding:18px;background:var(--sand);border-radius:16px;transition:var(--ease)}
    .recommend-item:hover{transform:translateX(5px);background:#fff;box-shadow:var(--shadow)}
    .recommend-item img{height:82px;object-fit:cover;border-radius:10px}
    .recommend-item h3{font-size:17px;line-height:1.4;margin:0 0 3px}
    .recommend-item p{font-size:13px;color:var(--muted);margin:0}
    .faq-list{max-width:900px}
    .accordion{background:transparent}
    .accordion-item{border-bottom:1px solid var(--line)}
    .accordion-title{font-weight:700;color:var(--ink);border:0;padding:20px 45px 20px 0;font-size:18px;background:transparent}
    .accordion-title:hover{color:var(--coral)}
    .accordion-content{border:0;background:transparent;color:var(--muted);padding:0 35px 22px 0;line-height:1.9}
    .accordion-item.is-active{border-left:3px solid var(--lime);padding-left:17px}
    .cta{background:var(--coral);padding:54px 0}
    .cta-layout{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:35px;line-height:1.2;margin:0 0 10px}
    .cta p{max-width:670px;margin:0}
    .cta-actions{display:flex;gap:11px;flex-wrap:wrap}
    .cta .btn-primary{background:var(--deep);color:var(--lime)}
    .cta .btn-secondary{border-color:var(--deep);color:var(--deep)}
    .footer{background:var(--deep);color:#dce1d5;padding:54px 0 25px}
    .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
    .footer .brand{color:#fff}
    .footer p,.footer a{color:#aeb6a8;font-size:14px}
    .footer a:hover{color:var(--lime)}
    .footer h3{font-size:15px;color:var(--lime);margin-top:0}
    .footer-links{display:grid;gap:6px}
    .copyright{border-top:1px solid #474d43;margin-top:40px;padding-top:18px;font-size:13px;color:#98a091}
    .copyright a{margin-left:18px}
    :focus-visible{outline:3px solid var(--coral);outline-offset:3px}
    @media(max-width:1024px){
      .nav-row{gap:12px}.brand{min-width:155px}.chip-nav a{padding:6px 10px}
      .banner-layout,.feature-story,.reading-grid{grid-template-columns:1fr 1fr;gap:25px}
      .story-copy{padding:30px}.timeline-wrap{gap:30px}
    }
    @media(max-width:768px){
      .grid-container{padding-left:18px;padding-right:18px}
      .chip-nav{display:none;position:absolute;left:18px;right:18px;top:70px;padding:14px;background:var(--paper);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-wrap:wrap}
      .chip-nav.open{display:flex}.menu-btn{display:block}.nav-cta{margin-left:auto;padding:10px 14px;font-size:13px}
      .nav-row{min-height:70px}.section{padding:56px 0}
      .banner-layout,.feature-story,.reading-grid,.timeline-wrap,.recommend-grid{grid-template-columns:1fr}
      .page-banner{padding:52px 0}.page-banner h1{font-size:44px}
      .banner-mark{margin-top:14px}.feature-story img{min-height:240px}.story-copy{padding:28px}
      .timeline-intro{position:static}.timeline{padding-left:22px}.timeline-item{grid-template-columns:1fr;gap:3px}
      .timeline-item:before{left:-28px}.event-grid{grid-template-columns:1fr;gap:13px}.event-meta{border-left:0;border-top:1px solid rgba(37,40,34,.25);padding:12px 0 0}
      .cta-layout{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}
    }
    @media(max-width:520px){
      .brand{font-size:18px;min-width:auto}.nav-cta{display:none}.page-banner h1{font-size:39px}
      .filter-inner{align-items:flex-start;flex-direction:column}.story-copy h2{font-size:28px}
      .reading-grid h2{font-size:30px}.recommend-item{grid-template-columns:90px 1fr}.recommend-item img{height:70px}
      .footer-grid{grid-template-columns:1fr}.copyright{line-height:2}
    }

/* roulang page: category4 */
:root{--ink:#252822;--deep:#20231f;--deep2:#2a2d27;--lime:#b7e53b;--coral:#f27a55;--paper:#f5f3ec;--sand:#eae8df;--muted:#62665d;--line:rgba(37,40,34,.13);--radius:22px;--shadow:0 18px 45px rgba(32,35,31,.12);--ease:all .28s ease}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.85}a{color:inherit;text-decoration:none;transition:var(--ease)}img{display:block;width:100%;height:auto}button,input,textarea{font:inherit}button{cursor:pointer;border:0}.grid-container{max-width:1220px;padding-left:24px;padding-right:24px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(245,243,236,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.nav-row{min-height:78px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:180px;font-size:20px;font-weight:800;letter-spacing:-.04em}.wing-mark{display:block;width:24px;height:18px;border:3px solid var(--lime);border-left:0;border-bottom:0;border-radius:2px 18px 2px 18px;transform:skew(-18deg) rotate(-10deg)}.chip-nav{display:flex;align-items:center;justify-content:flex-start;gap:7px;flex:1;overflow:auto;scrollbar-width:none}.chip-nav::-webkit-scrollbar{display:none}.chip-nav a{white-space:nowrap;border:1px solid var(--line);border-radius:100px;padding:6px 13px;font-size:13px;color:var(--muted)}.chip-nav a:hover,.chip-nav a.active{background:var(--deep);color:var(--lime);border-color:var(--deep)}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:100px;padding:12px 20px;font-weight:700;transition:var(--ease)}.nav-cta,.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 8px 20px rgba(183,229,59,.2)}.nav-cta:hover,.btn:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(32,35,31,.18)}.btn-dark{background:var(--deep);color:var(--lime)}.btn-outline{border:1px solid var(--ink);color:var(--ink}.btn:focus,input:focus,textarea:focus{outline:3px solid rgba(183,229,59,.62);outline-offset:3px}.menu-btn{display:none;background:var(--deep);color:var(--lime);border-radius:50%;width:44px;height:44px}
.eyebrow{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.12em}.section{padding:82px 0}.section-head{max-width:750px;margin-bottom:36px}.section-head h2{font-size:clamp(30px,4vw,43px);line-height:1.2;letter-spacing:-.05em;margin:10px 0 14px}.section-head p{margin:0;color:var(--muted);font-size:17px}.badge{display:inline-block;border-radius:100px;background:var(--sand);color:var(--muted);padding:4px 11px;font-size:12px;font-weight:700}.text-link{display:inline-block;margin-top:15px;color:var(--coral);font-weight:800;font-size:14px}.text-link:hover{color:var(--ink);transform:translateX(3px)}
.community-hero{position:relative;overflow:hidden;background:var(--deep);color:#fff;padding:84px 0 74px}.community-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(95deg,rgba(32,35,31,.96) 15%,rgba(32,35,31,.58)),url("/assets/images/backpic/back-2.webp") center/cover;opacity:.9}.community-hero .grid-container{position:relative}.hero-copy{max-width:740px}.hero-copy h1{font-size:clamp(42px,6vw,65px);line-height:1.16;letter-spacing:-.07em;margin:13px 0 22px}.hero-copy p{font-size:18px;color:#d4dacd;max-width:660px;margin:0}.hero-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:28px}.hero-meta .badge{background:rgba(183,229,59,.16);color:var(--lime);border:1px solid rgba(183,229,59,.35)}.path-line{margin-top:52px;display:grid;grid-template-columns:1fr 1fr 1fr;border-top:1px solid rgba(255,255,255,.18);border-bottom:1px solid rgba(255,255,255,.18)}.path-line div{padding:16px 18px;border-right:1px solid rgba(255,255,255,.18);color:#d0d6c9;font-size:14px}.path-line div:last-child{border:0}.path-line b{display:block;color:var(--lime);font-size:13px}
.topic-bar{padding:26px 0;border-bottom:1px solid var(--line);background:#fff}.topic-inner{display:flex;align-items:center;gap:18px}.topic-title{font-weight:800;white-space:nowrap}.topic-chips{display:flex;gap:9px;overflow:auto}.topic-chips a{white-space:nowrap;padding:7px 14px;border-radius:100px;border:1px solid var(--line);font-size:14px}.topic-chips a:hover,.topic-chips a:first-child{background:var(--deep);border-color:var(--deep);color:var(--lime)}
.story-feature{background:var(--sand);border-radius:10px 34px 10px 34px;overflow:hidden}.story-feature img{height:100%;min-height:370px;object-fit:cover}.story-copy{padding:42px}.story-copy h3{font-size:29px;line-height:1.35;margin:13px 0}.story-copy p{color:var(--muted);margin:0}.quote{margin-top:24px;padding:15px 18px;border-left:4px solid var(--coral);background:rgba(255,255,255,.52);font-size:15px}.story-list{display:grid;gap:14px}.story-item{display:grid;grid-template-columns:70px 1fr;gap:16px;padding:20px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:var(--ease)}.story-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.story-index{color:var(--coral);font-size:23px;font-weight:800}.story-item h3{font-size:18px;margin:0 0 4px}.story-item p{font-size:14px;color:var(--muted);margin:0}
.dark-band{background:var(--deep);color:#fff}.dark-band .section-head p{color:#c8cec1}.activity-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:22px}.activity-card{padding:31px;border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);background:var(--deep2)}.activity-card h3{font-size:25px;margin:12px 0}.activity-card p{color:#c8cec1}.activity-card .badge{background:rgba(242,122,85,.18);color:#ffb096}.schedule{margin:25px 0 0;padding:0;list-style:none}.schedule li{display:grid;grid-template-columns:88px 1fr;gap:16px;padding:12px 0;border-top:1px solid rgba(255,255,255,.12);font-size:14px}.schedule b{color:var(--lime)}.rule-card{background:var(--lime);color:var(--ink);padding:34px;border-radius:8px 28px 8px 28px}.rule-card h3{font-size:26px;margin:0 0 14px}.rule-card ol{padding-left:21px;margin:15px 0}.rule-card li{margin:8px 0}.rule-card p{font-size:14px;margin:0}
.deep-reading{display:grid;grid-template-columns:5fr 7fr;gap:65px;align-items:start}.sticky-note{position:sticky;top:105px;background:#fff;padding:29px;border-radius:var(--radius);border:1px solid var(--line)}.sticky-note h3{margin:10px 0;font-size:23px}.sticky-note ul{list-style:none;padding:0;margin:20px 0 0}.sticky-note li{border-top:1px solid var(--line);padding:11px 0;font-size:14px;color:var(--muted)}.reading-copy h2{font-size:clamp(29px,3vw,39px);line-height:1.25;margin:0 0 20px}.reading-copy p{color:var(--muted);margin:0 0 18px;font-size:17px}.reading-copy strong{color:var(--ink)}.reading-points{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:26px}.reading-points div{padding:18px;background:var(--sand);border-radius:14px;font-size:14px}.reading-points b{display:block;margin-bottom:4px;color:var(--ink)}
.wall{display:flex;flex-wrap:wrap;gap:12px}.wall a{padding:12px 17px;background:#fff;border:1px solid var(--line);border-radius:100px;font-weight:700;font-size:14px}.wall a:nth-child(3n){background:var(--coral);border-color:var(--coral);color:#fff}.wall a:nth-child(4n){background:var(--lime);border-color:var(--lime);color:var(--ink)}.wall a:hover{transform:translateY(-3px);box-shadow:0 8px 18px rgba(32,35,31,.12)}
.steps{counter-reset:step}.step{position:relative;padding:0 0 31px 70px}.step:before{counter-increment:step;content:"0" counter(step);position:absolute;left:0;top:0;color:var(--coral);font-size:25px;font-weight:800}.step:after{content:"";position:absolute;left:15px;top:43px;bottom:0;border-left:1px solid var(--line)}.step:last-child:after{display:none}.step h3{font-size:21px;margin:0 0 5px}.step p{margin:0;color:var(--muted)}
.faq-wrap{max-width:920px}.accordion{background:transparent}.accordion-item{border-bottom:1px solid var(--line)}.accordion-title{position:relative;padding:21px 46px 21px 17px;border:0;background:transparent;color:var(--ink);font-weight:800;font-size:17px}.accordion-title:before{right:18px;color:var(--coral);font-size:22px}.accordion-title:hover,.accordion-title:focus{background:var(--sand);color:var(--ink)}.accordion-content{border:0;background:transparent;padding:0 22px 22px 17px;color:var(--muted);font-size:16px}.accordion-item.is-active .accordion-title{border-left:4px solid var(--lime);background:#fff}
.contact-panel{background:var(--coral);padding:56px 0}.contact-layout{display:grid;grid-template-columns:7fr 5fr;gap:55px;align-items:center}.contact-panel h2{font-size:clamp(31px,4vw,43px);line-height:1.2;margin:0 0 13px}.contact-panel p{margin:0;max-width:650px}.contact-form{display:grid;grid-template-columns:1fr auto;gap:10px}.contact-form input{height:49px;border:1px solid rgba(37,40,34,.2);border-radius:100px;padding:0 18px;background:#fff}.contact-form .btn{white-space:nowrap}
.footer{background:var(--deep);color:#dce1d5;padding:54px 0 25px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}.footer .brand{color:#fff}.footer p,.footer a{color:#aeb6a8;font-size:14px}.footer a:hover{color:var(--lime)}.footer h3{font-size:15px;color:var(--lime);margin-top:0}.footer-links{display:grid;gap:6px}.copyright{border-top:1px solid #474d43;margin-top:40px;padding-top:18px;font-size:13px;color:#98a091}.copyright a{margin-left:18px}
@media(max-width:1024px){.nav-row{gap:13px}.brand{min-width:145px}.chip-nav a{padding:6px 10px}.deep-reading{gap:35px}.contact-layout{gap:30px}}
@media(max-width:768px){.grid-container{padding-left:18px;padding-right:18px}.nav-row{min-height:68px}.brand{min-width:auto;font-size:18px}.chip-nav{display:none;position:absolute;left:12px;right:12px;top:69px;padding:14px;background:var(--paper);border:1px solid var(--line);border-radius:16px;flex-wrap:wrap;box-shadow:var(--shadow)}.chip-nav.open{display:flex}.nav-cta{margin-left:auto;padding:10px 14px;font-size:14px}.menu-btn{display:block}.community-hero{padding:63px 0 47px}.path-line{grid-template-columns:1fr}.path-line div{border-right:0;border-bottom:1px solid rgba(255,255,255,.18)}.path-line div:last-child{border-bottom:0}.section{padding:55px 0}.story-feature img{min-height:260px;height:260px}.story-copy{padding:28px}.activity-grid,.deep-reading,.contact-layout{grid-template-columns:1fr}.sticky-note{position:static}.reading-points{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.contact-form{max-width:520px}.topic-inner{align-items:flex-start;flex-direction:column;gap:9px}}
@media(max-width:520px){body{font-size:15px}.nav-cta{display:none}.hero-copy h1{font-size:39px}.hero-copy p{font-size:16px}.section-head p,.reading-copy p{font-size:16px}.story-feature{border-radius:8px 24px 8px 24px}.story-copy h3{font-size:25px}.activity-card,.rule-card{padding:24px}.schedule li{grid-template-columns:1fr;gap:2px}.contact-form{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.copyright a{margin-left:0;margin-right:10px}.topic-chips{width:100%}}

/* roulang page: category5 */
:root{--ink:#252822;--deep:#20231f;--deep2:#2a2d27;--lime:#b7e53b;--coral:#f27a55;--paper:#f5f3ec;--sand:#eae8df;--muted:#62665d;--line:rgba(37,40,34,.13);--radius:22px;--shadow:0 18px 45px rgba(32,35,31,.12);--ease:all .28s ease}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none;transition:var(--ease)}img{display:block;width:100%;height:auto}button,input,textarea,select{font:inherit}button{cursor:pointer;border:0}.grid-container{max-width:1220px;padding-left:24px;padding-right:24px}
.site-header{position:sticky;top:0;z-index:30;background:rgba(245,243,236,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.nav-row{min-height:78px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:180px;font-size:20px;font-weight:800;letter-spacing:-.04em}.wing-mark{width:28px;height:18px;display:inline-block;position:relative}.wing-mark:before,.wing-mark:after{content:"";position:absolute;top:4px;width:18px;height:10px;border-top:4px solid var(--coral);border-radius:80% 10% 0 0}.wing-mark:before{left:0;transform:rotate(18deg)}.wing-mark:after{right:0;transform:scaleX(-1) rotate(18deg)}.chip-nav{display:flex;align-items:center;justify-content:flex-start;gap:7px;flex:1;overflow:auto}.chip-nav a{white-space:nowrap;border:1px solid var(--line);border-radius:100px;padding:6px 13px;font-size:13px;color:var(--muted)}.chip-nav a:hover,.chip-nav a.active{background:var(--deep);color:var(--lime);border-color:var(--deep)}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:100px;padding:12px 20px;font-weight:700;transition:var(--ease)}.nav-cta,.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 8px 20px rgba(183,229,59,.2)}.nav-cta:hover,.btn:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(32,35,31,.18)}.menu-btn{display:none;background:var(--deep);color:var(--lime);border-radius:50%;width:44px;height:44px}
.eyebrow{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.12em}.section{padding:82px 0}.section-head{max-width:760px;margin-bottom:38px}.section-head h2{font-size:clamp(30px,4vw,44px);line-height:1.2;margin:10px 0 14px;letter-spacing:-.05em}.section-head p{color:var(--muted);font-size:17px;margin:0}.hero{background:var(--deep);color:#fff;position:relative;overflow:hidden;padding:82px 0 70px}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(32,35,31,.96) 20%,rgba(32,35,31,.52)),url("/assets/images/backpic/back-2.webp") center/cover;opacity:.9}.hero .grid-container{position:relative}.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:52px;align-items:center}.hero h1{font-size:clamp(42px,6vw,66px);line-height:1.14;letter-spacing:-.07em;margin:14px 0 22px}.hero p{font-size:18px;color:#d9ddd2;max-width:620px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn-secondary{border:1px solid rgba(255,255,255,.3);color:#fff;background:transparent}.btn-secondary:hover{border-color:var(--lime);color:var(--lime)}.hero-stats{display:flex;gap:30px;margin-top:32px;flex-wrap:wrap}.hero-stats strong{display:block;color:var(--lime);font-size:26px}.hero-stats span{font-size:13px;color:#bfc6b8}.hero-visual{position:relative}.hero-visual img{height:430px;object-fit:cover;border-radius:36px 8px 36px 8px;box-shadow:24px 24px 0 rgba(183,229,59,.18)}.floating-note{position:absolute;left:-22px;bottom:24px;width:220px;background:var(--lime);color:var(--ink);padding:17px 20px;border-radius:8px 20px 8px 20px;box-shadow:var(--shadow)}.floating-note b{display:block;font-size:21px}.badge{display:inline-block;border-radius:100px;background:var(--sand);color:var(--muted);padding:4px 11px;font-size:12px;font-weight:700}.badge.coral{background:var(--coral);color:var(--ink)}.badge.lime{background:var(--lime);color:var(--ink)}
.intro-grid{display:grid;grid-template-columns:4fr 8fr;gap:58px}.intro-aside{border-top:3px solid var(--coral);padding-top:20px}.intro-aside h2{font-size:34px;line-height:1.25;margin:0}.intro-copy p{font-size:18px;color:var(--muted);margin-top:0}.intro-copy p+p{margin-top:18px}.signal-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}.signal{background:#fff;border:1px solid var(--line);padding:18px;border-radius:16px}.signal strong{display:block;font-size:25px}.signal span{font-size:13px;color:var(--muted)}
.partner-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.partner-card{grid-column:span 4;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;min-height:240px;transition:var(--ease)}.partner-card.wide{grid-column:span 8;background:var(--deep);color:#fff}.partner-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.partner-card h3{font-size:22px;margin:16px 0 8px}.partner-card p{color:var(--muted);font-size:15px}.partner-card.wide p{color:#cad0c4}.icon-box{width:42px;height:42px;background:var(--lime);border-radius:12px;display:grid;place-items:center;font-size:21px}.partner-card .text-link{color:var(--coral);font-weight:700;display:inline-block;margin-top:12px}
.process{background:var(--deep2);color:#fff}.process-grid{display:grid;grid-template-columns:7fr 5fr;gap:55px}.steps{display:grid;gap:0}.step{display:grid;grid-template-columns:62px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.13)}.step-no{font-size:26px;color:var(--lime);font-weight:800}.step h3{margin:0 0 5px;font-size:21px}.step p{margin:0;color:#c2c9bd}.process-note{border:1px solid rgba(183,229,59,.4);border-radius:22px;padding:28px;align-self:center}.process-note h3{color:var(--lime);margin-top:0}.process-note ul{margin:0;padding-left:20px;color:#d4d9cf}
.mosaic{display:grid;grid-template-columns:5fr 3fr 4fr;gap:18px}.scene{background:#fff;border-radius:20px;overflow:hidden;border:1px solid var(--line)}.scene:nth-child(1){grid-row:span 2}.scene img{height:190px;object-fit:cover}.scene:nth-child(1) img{height:290px}.scene-copy{padding:22px}.scene h3{margin:0 0 7px;font-size:21px}.scene p{margin:0;color:var(--muted);font-size:15px}.scene .text-link{display:inline-block;margin-top:13px;color:var(--coral);font-weight:700}
.case-band{background:var(--deep);color:#fff}.case-layout{display:grid;grid-template-columns:7fr 5fr;gap:42px;align-items:center}.case-layout img{height:360px;object-fit:cover;border-radius:8px 32px 8px 32px}.case-layout p{color:#c6cdc0}.case-layout h2{font-size:38px;line-height:1.25}.case-points{display:grid;gap:12px;margin:22px 0;padding:0;list-style:none}.case-points li{padding-left:24px;position:relative}.case-points li:before{content:"↗";position:absolute;left:0;color:var(--lime)}.stories{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.story{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px;transition:var(--ease)}.story h3{font-size:20px;margin:14px 0 7px}.story p{font-size:14px;color:var(--muted);margin:0}
.benefits{display:grid;grid-template-columns:5fr 7fr;gap:48px}.benefits h2{font-size:38px;line-height:1.25;margin-top:0}.benefits>div>p{color:var(--muted);font-size:17px}.benefit-list{display:grid;grid-template-columns:1fr 1fr;gap:15px}.benefit{padding:21px;background:var(--sand);border-radius:17px}.benefit strong{display:block;margin-bottom:4px}.benefit span{font-size:14px;color:var(--muted)}
.plans{display:grid;grid-template-columns:5fr 7fr;gap:46px;align-items:start}.plans-intro h2{font-size:38px;line-height:1.25;margin-top:0}.plans-intro p{color:var(--muted)}.plan-stack{display:grid;gap:16px}.plan{background:#fff;border:1px solid var(--line);border-radius:22px;padding:25px;transition:var(--ease);position:relative}.plan.recommend{border:2px solid var(--lime)}.plan h3{margin:5px 0;font-size:24px}.plan p{color:var(--muted);margin:4px 0 13px}.plan ul{display:flex;gap:10px 22px;flex-wrap:wrap;padding:0;margin:0 0 17px;list-style:none;font-size:14px}.plan li:before{content:"✓";color:var(--coral);font-weight:800;margin-right:5px}.corner{position:absolute;right:20px;top:20px;background:var(--lime);padding:4px 10px;border-radius:99px;font-size:12px;font-weight:800}.custom-bar{margin-top:18px;background:var(--deep);color:#fff;padding:25px;border-radius:18px;display:flex;justify-content:space-between;gap:20px;align-items:center}.custom-bar p{margin:0;color:#cbd1c5}
.article-zone{background:var(--sand)}.article-grid{display:grid;grid-template-columns:8fr 4fr;gap:46px}.article-copy{font-size:17px}.article-copy h3{font-size:25px;margin:0 0 10px}.article-copy p{color:var(--muted)}.quote{border-left:4px solid var(--coral);padding:5px 0 5px 22px;font-size:22px;line-height:1.55;margin:25px 0}.check-list{padding-left:22px;color:var(--muted)}.hot-topics{background:#fff;border-radius:20px;padding:25px;height:max-content}.hot-topics h3{margin-top:0}.topic-tags{display:flex;gap:8px;flex-wrap:wrap}.topic-tags a{background:var(--sand);border-radius:99px;padding:6px 12px;font-size:13px}.topic-tags a:hover{background:var(--lime)}
.faq-list{max-width:900px}.accordion{background:transparent}.accordion-item{border-bottom:1px solid var(--line)}.accordion-title{font-weight:700;color:var(--ink);border:0;padding:20px 45px 20px 0;font-size:18px;background:transparent}.accordion-title:hover{color:var(--coral)}.accordion-content{border:0;background:transparent;color:var(--muted);padding:0 40px 22px 0;line-height:1.8}.is-active .accordion-title{color:var(--coral)}.is-active{border-left:4px solid var(--lime);padding-left:16px}
.cta{background:var(--coral);padding:53px 0}.cta-layout{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:36px;line-height:1.2;margin:0 0 10px}.cta p{max-width:650px;margin:0}.cta .btn-primary{background:var(--deep);color:var(--lime)}
.contact-box{display:grid;grid-template-columns:7fr 5fr;gap:32px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px}.contact-box h2{margin-top:0}.contact-box p{color:var(--muted)}.field{margin-bottom:14px}.field label{display:block;font-weight:700;font-size:14px;margin-bottom:5px}.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:12px;background:var(--paper);padding:11px 13px;color:var(--ink);outline:none}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(183,229,59,.2)}.field textarea{min-height:115px;resize:vertical}.contact-side{background:var(--deep);color:#fff;border-radius:18px;padding:25px}.contact-side h3{color:var(--lime);margin-top:0}.contact-side ul{padding-left:20px;color:#d0d6ca}.footer{background:var(--deep);color:#dce1d5;padding:54px 0 25px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}.footer .brand{color:#fff}.footer p,.footer a{color:#aeb6a8;font-size:14px}.footer a:hover{color:var(--lime)}.footer h3{font-size:15px;color:var(--lime);margin-top:0}.footer-links{display:grid;gap:6px}.copyright{border-top:1px solid #474d43;margin-top:40px;padding-top:18px;font-size:13px;color:#98a091}.copyright a{margin-left:18px}
@media(max-width:1024px){.nav-row{gap:13px}.brand{min-width:150px}.chip-nav a{padding:5px 9px}.hero-grid,.process-grid,.benefits,.plans,.article-grid,.contact-box{gap:30px}.section{padding:68px 0}}
@media(max-width:768px){.nav-row{min-height:68px}.chip-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:14px 24px;flex-wrap:wrap;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.chip-nav.open{display:flex}.nav-cta{margin-left:auto;padding:10px 15px;font-size:13px}.menu-btn{display:block}.hero{padding:58px 0}.hero-grid,.process-grid,.benefits,.plans,.article-grid,.contact-box,.intro-grid,.case-layout{grid-template-columns:1fr}.hero-visual{margin-top:18px}.hero-visual img{height:330px}.floating-note{left:12px}.partner-card,.partner-card.wide{grid-column:span 6}.mosaic{grid-template-columns:1fr 1fr}.scene:nth-child(1){grid-row:auto}.scene:nth-child(1) img,.scene img{height:210px}.stories{grid-template-columns:1fr 1fr}.custom-bar,.cta-layout{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}.copyright a{display:inline-block;margin-left:0;margin-right:12px}}
@media(max-width:520px){.grid-container{padding-left:18px;padding-right:18px}.brand{font-size:18px;min-width:auto}.nav-cta{display:none}.hero h1{font-size:40px}.hero p{font-size:16px}.hero-stats{gap:18px}.hero-visual img{height:260px}.section{padding:52px 0}.section-head h2,.plans-intro h2,.benefits h2{font-size:30px}.partner-grid,.mosaic,.benefit-list,.stories{grid-template-columns:1fr}.partner-card,.partner-card.wide{grid-column:auto}.signal-row{grid-template-columns:1fr}.case-layout img{height:250px}.contact-box{padding:21px}.footer-grid{grid-template-columns:1fr}.footer{padding-top:40px}.copyright{line-height:2}}

/* roulang page: category6 */
:root{--ink:#252822;--deep:#20231f;--deep2:#2a2d27;--lime:#b7e53b;--coral:#f27a55;--paper:#f5f3ec;--sand:#eae8df;--muted:#62665d;--line:rgba(37,40,34,.13);--radius:22px;--shadow:0 18px 45px rgba(32,35,31,.12);--ease:all .28s ease}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.82}a{color:inherit;text-decoration:none;transition:var(--ease)}img{display:block;width:100%;height:auto}button,input,textarea{font:inherit}button{cursor:pointer;border:0}.grid-container{max-width:1220px;padding-left:24px;padding-right:24px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(245,243,236,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.nav-row{min-height:78px;display:flex;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:10px;min-width:172px;font-size:20px;font-weight:800;letter-spacing:-.04em}.wing-mark{width:23px;height:16px;display:inline-block;border:3px solid var(--lime);border-left:0;border-radius:0 18px 18px 0;transform:skew(-25deg);position:relative}.wing-mark:after{content:"";position:absolute;width:9px;height:9px;border:2px solid var(--coral);border-left:0;border-bottom:0;right:-5px;top:-6px;border-radius:0 10px 0 0}.chip-nav{display:flex;align-items:center;gap:7px;flex:1;overflow:auto;scrollbar-width:none}.chip-nav::-webkit-scrollbar{display:none}.chip-nav a{white-space:nowrap;border:1px solid var(--line);border-radius:100px;padding:6px 13px;font-size:13px;color:var(--muted)}.chip-nav a:hover,.chip-nav a.active{background:var(--deep);color:var(--lime);border-color:var(--deep)}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:100px;padding:12px 20px;font-weight:700;transition:var(--ease)}.nav-cta,.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 8px 20px rgba(183,229,59,.18)}.nav-cta:hover,.btn:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(32,35,31,.18)}.btn-secondary{border:1px solid var(--line);background:transparent;color:var(--ink)}.btn-secondary:hover{background:var(--deep);border-color:var(--deep);color:var(--lime)}.menu-btn{display:none;background:var(--deep);color:var(--lime);border-radius:50%;width:44px;height:44px;font-size:18px}
.hero-guide{position:relative;overflow:hidden;background:var(--deep);color:#fff;padding:78px 0 66px}.hero-guide:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(32,35,31,.95),rgba(32,35,31,.53)),url("/assets/images/backpic/back-3.webp") center/cover;opacity:.78}.hero-guide .grid-container{position:relative}.crumb{font-size:13px;color:#b9c1b0;margin-bottom:25px}.crumb a:hover{color:var(--lime)}.eyebrow{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.12em}.hero-guide h1{font-size:clamp(40px,5.5vw,64px);line-height:1.15;letter-spacing:-.06em;margin:12px 0 20px}.hero-guide p{max-width:720px;color:#d7dcd1;font-size:18px;margin:0}.search-panel{margin-top:32px;max-width:760px;background:#f5f3ec;padding:8px;border-radius:15px;display:flex;gap:8px;box-shadow:var(--shadow)}.search-panel input{border:0;background:transparent;box-shadow:none;margin:0;height:49px;color:var(--ink);padding:0 16px;outline:0}.search-panel input:focus{background:transparent}.search-panel .btn{border-radius:10px;white-space:nowrap}.guide-points{display:flex;gap:11px;flex-wrap:wrap;margin-top:22px}.guide-points span{font-size:13px;padding:5px 11px;border-radius:100px;border:1px solid rgba(255,255,255,.22);color:#d9dfd2}
.section{padding:78px 0}.section-head{max-width:760px;margin-bottom:34px}.section-head h2{font-size:clamp(30px,4vw,42px);line-height:1.2;letter-spacing:-.05em;margin:9px 0 12px}.section-head p{margin:0;color:var(--muted);font-size:17px}.quick-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:17px}.quick-card{min-height:195px;padding:27px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);position:relative;overflow:hidden}.quick-card:first-child{background:var(--deep);color:#fff}.quick-card:hover,.topic-card:hover,.step-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.quick-card h3{font-size:21px;margin:18px 0 8px}.quick-card p{margin:0;color:var(--muted);font-size:14px}.quick-card:first-child p{color:#cbd1c4}.quick-card .arrow{position:absolute;right:22px;bottom:19px;color:var(--coral);font-size:22px;font-weight:800}.quick-card:first-child .arrow{color:var(--lime)}.icon-box{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--sand);font-weight:800}.quick-card:first-child .icon-box{background:rgba(183,229,59,.18);color:var(--lime)}
.dark-band{background:var(--deep);color:#fff}.guide-reading{display:grid;grid-template-columns:5fr 4fr 3fr;gap:32px;align-items:start}.guide-reading h2{font-size:38px;line-height:1.2;margin:10px 0 18px;letter-spacing:-.05em}.guide-reading p{color:#c9d0c2;margin:0 0 15px}.reading-list{border-left:1px solid #51574e;padding-left:24px}.reading-list li{list-style:none;padding:0 0 18px;margin-bottom:18px;border-bottom:1px solid #454b43}.reading-list b{display:block;color:var(--lime);font-size:14px;margin-bottom:4px}.reading-list span{color:#d7dcd1;font-size:14px}.notice{background:var(--lime);color:var(--ink);padding:24px;border-radius:8px 22px 8px 22px}.notice strong{display:block;font-size:20px;margin-bottom:9px}.notice p{color:#3b4034;font-size:14px;margin:0}
.filter-row{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:24px}.filter{border:1px solid var(--line);background:transparent;border-radius:100px;padding:8px 15px;color:var(--muted);font-size:14px}.filter:hover,.filter.active{background:var(--deep);border-color:var(--deep);color:var(--lime)}.topic-layout{display:grid;grid-template-columns:4fr 8fr;gap:42px}.side-intro{position:sticky;top:110px;align-self:start}.side-intro p{color:var(--muted)}.topic-list{border-top:1px solid var(--line)}.topic-card{display:grid;grid-template-columns:80px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}.topic-num{font-size:28px;font-weight:800;color:var(--coral);letter-spacing:-.06em}.topic-card h3{font-size:19px;margin:0 0 5px}.topic-card p{font-size:14px;color:var(--muted);margin:0}.link-arrow{font-weight:800;color:var(--coral);white-space:nowrap}.link-arrow:hover{color:var(--ink)}
.image-guide{display:grid;grid-template-columns:5fr 7fr;gap:50px;align-items:center}.image-guide img{height:360px;object-fit:cover;border-radius:8px 34px 8px 34px;background:var(--sand)}.image-guide p{color:var(--muted)}.check-list{padding:0;margin:20px 0;display:grid;gap:11px}.check-list li{list-style:none;padding-left:28px;position:relative}.check-list li:before{content:"✓";position:absolute;left:0;top:1px;color:var(--coral);font-weight:800}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step-card{background:#fff;border:1px solid var(--line);padding:24px;border-radius:18px}.step-no{font-size:14px;color:var(--coral);font-weight:800}.step-card h3{font-size:20px;margin:14px 0 8px}.step-card p{font-size:14px;color:var(--muted);margin:0}.resource-grid{display:grid;grid-template-columns:7fr 5fr;gap:20px}.resource-main{background:var(--sand);padding:33px;border-radius:var(--radius)}.resource-main h2{margin:8px 0 13px;font-size:33px;line-height:1.25}.resource-main p{color:var(--muted);max-width:650px}.resource-buttons{display:flex;gap:10px;flex-wrap:wrap;margin-top:23px}.resource-side{background:#fff;border:1px solid var(--line);padding:28px;border-radius:var(--radius)}.resource-side h3{margin:0 0 13px}.resource-side a{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--line);font-weight:700}.resource-side a:last-child{border-bottom:0}.resource-side a:hover{color:var(--coral)}
.feedback{background:#eae8df}.feedback-layout{display:grid;grid-template-columns:5fr 7fr;gap:54px}.feedback-layout h2{font-size:39px;line-height:1.2;margin:10px 0 16px}.feedback-layout p{color:var(--muted)}.form-card{background:#fff;border-radius:22px;padding:28px;box-shadow:var(--shadow)}.form-card label{font-size:14px;font-weight:700;margin-bottom:6px}.form-card input,.form-card textarea{border:1px solid var(--line);border-radius:10px;box-shadow:none;padding:11px 13px;margin:0 0 16px;background:#fcfbf7}.form-card input:focus,.form-card textarea:focus{border-color:var(--coral);box-shadow:0 0 0 3px rgba(242,122,85,.14)}.form-card textarea{min-height:100px;resize:vertical}.form-note{font-size:13px;color:var(--muted);margin-top:12px}
.faq-list{max-width:940px}.accordion{background:transparent}.accordion-item{border-bottom:1px solid var(--line)}.accordion-title{padding:20px 46px 20px 18px;border:0;background:transparent;font-size:18px;font-weight:700;color:var(--ink);position:relative}.accordion-title:before{color:var(--coral);font-size:24px;right:18px;margin-top:-15px}.accordion-title:hover,.accordion-title:focus{background:var(--sand);color:var(--ink)}.accordion-content{border:0;background:transparent;color:var(--muted);padding:0 30px 22px 18px;line-height:1.9}.accordion-item.is-active .accordion-title{border-left:4px solid var(--lime);padding-left:14px}
.cta{background:var(--coral);padding:52px 0}.cta-layout{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:36px;line-height:1.2;margin:0 0 10px}.cta p{max-width:680px;margin:0}.cta .btn-primary{background:var(--deep);color:var(--lime)}.footer{background:var(--deep);color:#dce1d5;padding:54px 0 25px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}.footer .brand{color:#fff}.footer p,.footer a{color:#aeb6a8;font-size:14px}.footer a:hover{color:var(--lime)}.footer h3{font-size:15px;color:var(--lime);margin-top:0}.footer-links{display:grid;gap:6px}.copyright{border-top:1px solid #474d43;margin-top:40px;padding-top:18px;font-size:13px;color:#98a091}.copyright a{margin-left:18px}
@media(max-width:1024px){.nav-row{gap:12px}.brand{min-width:auto}.chip-nav a{padding:6px 10px}.quick-grid{grid-template-columns:1fr 1fr}.quick-card:first-child{grid-column:span 2}.guide-reading{grid-template-columns:1fr 1fr}.notice{grid-column:span 2}.steps{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.site-header{position:relative}.nav-row{min-height:68px}.nav-cta{margin-left:auto;padding:10px 14px;font-size:13px}.menu-btn{display:block;flex:0 0 44px}.chip-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:14px 24px 18px;background:var(--paper);border-bottom:1px solid var(--line);flex-wrap:wrap}.chip-nav.open{display:flex}.hero-guide{padding:54px 0}.hero-guide h1{font-size:42px}.search-panel{display:block;padding:10px}.search-panel input{width:100%}.search-panel .btn{width:100%}.section{padding:55px 0}.quick-grid,.topic-layout,.image-guide,.feedback-layout,.resource-grid{grid-template-columns:1fr}.quick-card:first-child{grid-column:auto}.side-intro{position:static}.topic-card{grid-template-columns:55px 1fr}.topic-card .link-arrow{grid-column:2}.image-guide img{height:260px;order:-1}.guide-reading{grid-template-columns:1fr}.notice{grid-column:auto}.steps{grid-template-columns:1fr 1fr}.cta-layout{display:block}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:span 2}}
@media(max-width:520px){.grid-container{padding-left:18px;padding-right:18px}.brand span{font-size:18px}.nav-cta{display:none}.hero-guide h1{font-size:36px}.hero-guide p{font-size:16px}.section-head h2,.guide-reading h2,.feedback-layout h2{font-size:31px}.quick-grid,.steps,.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.topic-card{gap:12px}.topic-card h3{font-size:17px}.topic-num{font-size:22px}.resource-main,.resource-side,.form-card{padding:23px}.cta h2{font-size:30px}.copyright a{margin-left:8px}}