/* roulang page: index */
:root{--ink:#171917;--coal:#252824;--paper:#f5f3ed;--white:#fffdf7;--line:#d7d5cd;--muted:#6b7069;--lime:#c9ef43;--lime-dark:#9cbf22;--red:#9a4d3f;--red-soft:#f2e4df;--shadow:0 16px 38px rgba(25,28,23,.09);--r:16px;--max:1240px}
    *{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--paper);color:var(--ink);font-family:"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.85} a{color:inherit;text-decoration:none} img{display:block;width:100%;object-fit:cover} button,input,select,textarea{font:inherit} button{cursor:pointer} :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--max));margin:auto}.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.1em;font-weight:800}.eyebrow:before{content:"";width:22px;height:2px;background:var(--lime)}.tag{padding:5px 10px;border:1px solid currentColor;border-radius:99px;color:var(--red);letter-spacing:.04em}.section{padding:88px 0}.section-title{font-size:clamp(30px,4vw,46px);line-height:1.22;letter-spacing:-.05em;margin:14px 0 20px}.section-intro{max-width:760px;color:var(--muted);font-size:17px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:11px 19px;border-radius:11px;border:1px solid var(--ink);font-weight:800;transition:.22s ease}.btn:hover{transform:translateY(-3px);box-shadow:0 9px 0 var(--lime)}.btn:active{transform:translateY(0);box-shadow:none}.btn-primary{background:var(--ink);color:var(--lime)}.btn-ghost{background:transparent;color:var(--ink)}.btn-light{border-color:var(--lime);color:var(--lime)}.arrow{transition:transform .2s}.btn:hover .arrow{transform:translateX(4px)}
    header{position:sticky;top:0;z-index:50;background:rgba(23,25,23,.97);color:var(--white);border-bottom:1px solid rgba(255,255,255,.13)}.topbar{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-weight:900;font-size:22px;letter-spacing:-.08em;white-space:nowrap}.brand i{display:inline-block;width:19px;height:9px;margin-right:8px;border-top:3px solid var(--lime);border-bottom:3px solid var(--lime);transform:skewX(-32deg)}.nav{display:flex;align-items:center;gap:4px}.nav>a{padding:8px 10px;font-size:14px;color:#d5d8d0;transition:.2s}.nav>a:hover,.nav>a.active{color:var(--lime)}.menu-btn{display:none;background:none;border:1px solid #71756d;color:var(--white);border-radius:8px;padding:7px 10px}
    .hero{position:relative;overflow:hidden;background:var(--ink);color:var(--white);min-height:570px;display:flex;align-items:stretch}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,20,18,.98) 0%,rgba(18,20,18,.9) 42%,rgba(18,20,18,.2) 100%),url('/assets/images/backpic/back-1.webp') center/cover}.hero:after{content:"01 / SPEED READING";position:absolute;right:4%;bottom:28px;color:rgba(255,255,255,.24);font-size:clamp(24px,4vw,55px);font-weight:900;letter-spacing:.08em}.hero-inner{position:relative;z-index:1;padding:78px 0 54px;width:min(calc(100% - 48px),var(--max));margin:auto;display:grid;grid-template-columns:1.1fr .9fr;gap:38px}.hero-copy{align-self:center}.hero .eyebrow{color:var(--lime)}h1{font-size:clamp(42px,6vw,70px);line-height:1.08;letter-spacing:-.08em;margin:18px 0 23px;max-width:670px}.hero p{max-width:670px;color:#d7dbd2;font-size:18px;line-height:1.95}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.hero-side{align-self:end;padding:22px;border-left:1px solid rgba(201,239,67,.65);background:rgba(24,27,24,.72)}.hero-side strong{display:block;color:var(--lime);font-size:31px;line-height:1.2}.hero-side p{font-size:14px;margin:8px 0 0}.status{position:absolute;z-index:2;bottom:0;left:0;right:0;background:rgba(201,239,67,.94);color:var(--ink)}.status-in{width:min(calc(100% - 48px),var(--max));margin:auto;display:flex;gap:0}.status-item{padding:12px 24px 12px 0;margin-right:24px;border-right:1px solid rgba(23,25,23,.25);font-size:13px;font-weight:700}
    .progress{background:var(--white);border-bottom:1px solid var(--line)}.progress-in{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.progress a{position:relative;padding:20px 16px 20px 32px;border-left:1px solid var(--line);font-size:14px;font-weight:800;transition:.2s}.progress a:before{content:attr(data-step);position:absolute;left:12px;color:var(--red);font-size:11px}.progress a:hover,.progress a.current{background:#edf5c7}.progress a.current:after{content:"";position:absolute;bottom:0;left:0;right:0;height:4px;background:var(--lime-dark)}
    .pain-grid{display:grid;grid-template-columns:300px 1fr;gap:70px}.serial{font-size:72px;line-height:1;color:var(--lime-dark);font-weight:900;letter-spacing:-.1em}.side-title{font-size:29px;line-height:1.25;margin:15px 0}.copy h3{font-size:22px;margin:28px 0 8px}.copy p{margin:0 0 18px}.pain-bottom{margin-top:38px;display:grid;grid-template-columns:1.1fr .65fr;gap:22px}.need-list{background:var(--white);padding:28px;border-top:3px solid var(--red)}.need-list div{padding:15px 0;border-bottom:1px solid var(--line)}.need-list div:last-child{border:0}.need-list b{display:block;font-size:17px}.need-list span{color:var(--muted);font-size:14px}.cover-portrait{min-height:390px;position:relative;overflow:hidden;border-radius:var(--r)}.cover-portrait img{height:100%}.caption{position:absolute;bottom:14px;left:14px;right:14px;background:rgba(23,25,23,.9);color:#fff;padding:10px 12px;font-size:13px}
    .method{background:var(--ink);color:#f3f4ed}.method .section-intro{color:#b9beb4}.method-grid{display:grid;grid-template-columns:280px 1fr;gap:50px;margin-top:44px}.path{border-left:1px solid #596057}.path a{display:block;padding:0 0 26px 28px;position:relative;color:#aeb5aa;font-weight:800}.path a:before{content:"";position:absolute;width:12px;height:12px;border-radius:50%;left:-7px;top:7px;background:#596057}.path a:first-child{color:var(--lime)}.path a:first-child:before{background:var(--lime);box-shadow:0 0 0 6px rgba(201,239,67,.12)}.panels{display:grid;gap:14px}.panel{border:1px solid #4b524b;padding:23px 25px;display:grid;grid-template-columns:75px 1fr;gap:20px;transition:.2s}.panel:hover{border-color:var(--lime);transform:translateX(5px)}.panel b{font-size:28px;color:var(--lime)}.panel h3{margin:0 0 8px;font-size:21px}.panel p{margin:0;color:#ccd1c9;font-size:15px}.tipline{margin-top:25px;padding:15px 18px;border-left:3px solid var(--lime);background:#2d312d;color:#dfe5d9;font-size:14px}
    .outcome-top{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;align-items:start}.outcome-top p{font-size:17px}.outcome-grid{display:grid;grid-template-columns:1.35fr .8fr .55fr;gap:16px;margin-top:40px}.out-card{min-height:230px;background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);transition:.25s}.out-card:hover{transform:translateY(-6px);border-color:var(--lime-dark)}.out-card.feature{grid-row:span 2;min-height:476px;position:relative;color:#fff}.out-card.feature img{height:100%}.out-card.feature div{position:absolute;inset:auto 0 0;padding:28px;background:linear-gradient(transparent,rgba(0,0,0,.88))}.out-card h3{margin:0;font-size:23px}.out-card p{margin:7px 0 0;font-size:14px}.metric{padding:24px;display:flex;flex-direction:column;justify-content:space-between}.metric b{font-size:42px;line-height:1;color:var(--lime-dark)}.metric span{font-size:14px;color:var(--muted)}.timeline{background:var(--coal);color:#fff;padding:22px}.timeline small{color:var(--lime)}.timeline div{border-bottom:1px solid #4d514c;padding:13px 0;font-size:14px}.timeline div:last-child{border:0}
    .brand-story{background:#e9e8e1}.story-grid{display:grid;grid-template-columns:280px 1fr 230px;gap:48px}.story-mark{font-size:33px;font-weight:900;line-height:1.2}.story-main{max-width:720px}.story-main blockquote{margin:28px 0;padding:17px 20px;border-left:4px solid var(--lime-dark);background:var(--white);font-size:19px;font-weight:700}.principles{margin:0;padding:0;list-style:none}.principles li{padding:14px 0;border-bottom:1px solid #c9c9c1;font-size:14px}.principles b{color:var(--red);margin-right:7px}
    .category-track{padding:70px 0;background:var(--white);overflow:hidden}.track-head{display:flex;justify-content:space-between;gap:20px;align-items:end}.track{display:flex;gap:16px;overflow-x:auto;padding:28px 0 8px;scroll-snap-type:x mandatory}.topic-card{flex:0 0 260px;scroll-snap-align:start;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--paper);transition:.25s}.topic-card:hover{transform:translateY(-6px);border-color:var(--lime-dark)}.topic-card img{height:150px}.topic-card div{padding:15px}.topic-card h3{margin:0 0 6px;font-size:18px}.topic-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .calendar-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px}.calendar-copy{background:var(--red);color:#fff;padding:38px;border-radius:var(--r)}.calendar-copy .eyebrow:before{background:var(--lime)}.calendar-list{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:14px 24px}.calendar-row{display:grid;grid-template-columns:105px 1fr auto;gap:16px;padding:17px 0;border-bottom:1px solid var(--line);align-items:center}.calendar-row:last-child{border:0}.calendar-row b{color:var(--red);font-size:13px}.calendar-row span{font-size:14px;color:var(--muted)}
    .evidence{background:var(--ink);color:#fff}.evidence-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1px;background:#525750;margin-top:32px}.evidence-grid article{background:var(--ink);padding:27px}.evidence-grid strong{display:block;color:var(--lime);font-size:28px}.evidence-grid p{color:#c4cac0;font-size:14px;margin:7px 0 0}
    .feedback{overflow:hidden}.feedback-wrap{display:grid;grid-template-columns:.7fr 1.25fr .7fr;gap:18px;align-items:center;margin-top:35px}.quote{border:1px solid var(--line);border-radius:var(--r);background:var(--white);padding:24px;box-shadow:var(--shadow)}.quote.main{background:var(--ink);color:#fff;padding:38px;transform:translateY(-8px)}.quote small{color:var(--red);font-weight:800}.quote.main small{color:var(--lime)}.quote blockquote{margin:15px 0;font-size:17px;line-height:1.85}.quote.main blockquote{font-size:23px}.quote footer{font-size:13px;color:var(--muted)}.quote.main footer{color:#bfc5bb}
    .faq{background:var(--white)}.faq-grid{display:grid;grid-template-columns:.65fr 1.35fr;gap:75px}.faq-grid aside{position:sticky;top:110px;height:max-content}.faq-grid details{border-bottom:1px solid var(--line);padding:17px 0}.faq-grid summary{list-style:none;font-weight:800;cursor:pointer;display:flex;justify-content:space-between;gap:15px}.faq-grid summary::-webkit-details-marker{display:none}.faq-grid summary:after{content:"+";font-size:24px;line-height:.8;color:var(--red)}.faq-grid details[open] summary:after{content:"−";color:var(--lime-dark)}.faq-grid details[open]{border-left:3px solid var(--lime-dark);padding-left:15px}.faq-grid details p{color:var(--muted);font-size:15px;margin:14px 28px 4px 0}
    .news-layout{display:grid;grid-template-columns:330px 1fr;gap:55px}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.filters span{border:1px solid var(--line);padding:5px 10px;font-size:12px;border-radius:99px}.filters span:first-child{background:var(--ink);color:var(--lime);border-color:var(--ink)}.news-feature{display:grid;grid-template-columns:280px 1fr;background:var(--white);border:1px solid var(--line);margin-bottom:8px}.news-feature img{height:100%}.news-copy{padding:25px}.date{font-size:12px;color:var(--red);font-weight:800}.news-copy h3{font-size:23px;line-height:1.35;margin:8px 0}.news-copy p{font-size:14px;color:var(--muted);margin:0 0 12px}.more{font-size:14px;font-weight:800;border-bottom:1px solid var(--lime-dark)}.more:hover{color:var(--lime-dark)}.news-item{display:grid;grid-template-columns:100px 1fr auto;gap:18px;padding:19px 0;border-bottom:1px solid var(--line);align-items:center}.news-item h3{font-size:17px;margin:0 0 4px}.news-item p{font-size:13px;color:var(--muted);margin:0}
    .cta{position:relative;overflow:hidden;background:var(--ink);color:#fff}.cta:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,22,20,.98),rgba(20,22,20,.79)),url('/assets/images/backpic/back-3.webp') center/cover}.cta-in{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:65px;padding:72px 0}.cta h2{font-size:clamp(32px,4vw,48px);line-height:1.18;margin:14px 0}.cta p{color:#c7ccc3}.form{display:grid;grid-template-columns:1fr 1fr;gap:12px;background:rgba(255,255,255,.06);border:1px solid #5a6058;padding:20px}.form label{font-size:13px;color:#d5dbd0}.form input,.form select,.form textarea{display:block;width:100%;margin-top:5px;padding:10px;border:1px solid #62685f;background:#1f221f;color:#fff;border-radius:7px}.form textarea{min-height:72px;resize:vertical}.full{grid-column:1/-1}.privacy{font-size:12px!important;margin:0!important;color:#aeb6aa!important}
    footer{background:#101210;color:#c8cec5;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr 1.1fr;gap:35px}.footer-grid h3{font-size:15px;color:#fff;margin:0 0 12px}.footer-grid p,.footer-grid a{font-size:13px;color:#aeb5ac}.footer-grid a{display:block;padding:3px 0}.footer-grid a:hover{color:var(--lime)}.foot-bottom{border-top:1px solid #333832;margin-top:34px;padding-top:16px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px}.foot-bottom a{display:inline;color:#c8cec5}.foot-bottom a:hover{color:var(--lime)}
    @media(max-width:1024px){.nav{display:none}.menu-btn{display:block}.hero-inner,.pain-grid,.outcome-top,.story-grid,.faq-grid,.news-layout,.cta-in{grid-template-columns:1fr;gap:32px}.hero-side{max-width:520px}.method-grid{grid-template-columns:210px 1fr}.outcome-grid{grid-template-columns:1.2fr .8fr}.out-card.feature{grid-row:span 2}.story-grid{grid-template-columns:.8fr 1.2fr}.story-grid>aside{grid-column:2}.footer-grid{grid-template-columns:1fr 1fr}.faq-grid aside{position:static}.news-layout>aside{max-width:600px}}
    @media(max-width:768px){.container{width:min(calc(100% - 32px),var(--max)}.hero{min-height:auto}.hero-inner{padding:55px 0 92px}.hero-side{display:none}.status-in{overflow:auto}.status-item{white-space:nowrap}.progress-in{overflow:auto;display:flex}.progress a{min-width:170px}.section{padding:62px 0}.pain-bottom,.calendar-grid,.feedback-wrap,.news-feature{grid-template-columns:1fr}.method-grid{grid-template-columns:1fr}.path{display:flex;overflow:auto;border-left:0;border-bottom:1px solid #596057;gap:18px}.path a{white-space:nowrap;padding:0 0 15px 0}.path a:before{display:none}.outcome-grid{grid-template-columns:1fr 1fr}.out-card.feature{grid-row:span 1;min-height:340px;grid-column:1/-1}.story-grid{grid-template-columns:1fr}.story-grid>aside{grid-column:auto}.evidence-grid{grid-template-columns:1fr 1fr}.news-item{grid-template-columns:78px 1fr}.news-item .more{display:none}.cta-in{padding:58px 0}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){body{font-size:16px}.topbar{min-height:62px}.brand{font-size:20px}.section{padding:52px 0}.hero-inner{width:calc(100% - 32px)}h1{font-size:40px}.hero p{font-size:16px}.hero-actions .btn{width:100%}.pain-grid{gap:22px}.serial{font-size:55px}.panel{grid-template-columns:52px 1fr;padding:18px}.outcome-grid,.evidence-grid,.footer-grid{grid-template-columns:1fr}.calendar-row{grid-template-columns:68px 1fr}.calendar-row span{display:none}.feedback-wrap{gap:12px}.quote.main{transform:none;padding:26px}.quote.main blockquote{font-size:19px}.form{grid-template-columns:1fr}.full{grid-column:auto}.foot-bottom{display:block}.foot-bottom div{margin:5px 0}}

/* roulang page: category2 */
:root{--ink:#171917;--coal:#252824;--paper:#f5f3ed;--white:#fffdf7;--line:#d7d5cd;--muted:#6b7069;--lime:#c9ef43;--lime-dark:#9cbf22;--red:#9a4d3f;--red-soft:#f2e4df;--shadow:0 16px 38px rgba(25,28,23,.09);--r:16px;--max:1240px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.85}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 48px),var(--max));margin:auto}
header{position:sticky;top:0;z-index:50;background:rgba(23,25,23,.97);color:var(--white);border-bottom:1px solid rgba(255,255,255,.13)}
.topbar{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-weight:900;font-size:22px;letter-spacing:-.08em;white-space:nowrap}
.brand i{display:inline-block;width:19px;height:9px;margin-right:8px;border-top:3px solid var(--lime);border-bottom:3px solid var(--lime);transform:skewX(-32deg)}
.nav{display:flex;align-items:center;gap:4px}
.nav>a{padding:8px 10px;font-size:14px;color:#d5d8d0;transition:.2s}
.nav>a:hover,.nav>a.active{color:var(--lime)}
.menu-btn{display:none;background:none;border:1px solid #71756d;color:var(--white);border-radius:8px;padding:7px 10px}
.hero{position:relative;overflow:hidden;background:var(--ink);color:var(--white);padding:68px 0 72px}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,20,18,.98),rgba(18,20,18,.78),rgba(18,20,18,.25)),url('/assets/images/backpic/back-2.webp') center/cover}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.1em;font-weight:800}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--lime)}
.hero .eyebrow{color:var(--lime)}
h1{font-size:clamp(40px,5.3vw,68px);line-height:1.12;letter-spacing:-.07em;margin:17px 0 22px}
.hero p{max-width:680px;color:#d7dbd2;font-size:18px;line-height:1.95}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:11px 19px;border-radius:11px;border:1px solid var(--ink);font-weight:800;transition:.22s ease}
.btn:hover{transform:translateY(-3px);box-shadow:0 8px 0 var(--lime)}
.btn:active{transform:translateY(0);box-shadow:none}
.btn:focus-visible,.nav a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
.btn-primary{background:var(--ink);color:var(--lime)}
.btn-light{border-color:var(--lime);color:var(--lime);background:transparent}
.btn-ghost{background:transparent;color:var(--ink)}
.hero-card{background:rgba(245,243,237,.96);color:var(--ink);padding:30px;border-left:5px solid var(--lime);box-shadow:var(--shadow)}
.hero-card h2{margin:0 0 10px;font-size:27px;line-height:1.3}
.hero-card p{color:var(--muted);font-size:15px;margin:0 0 18px}
.hero-card ul{padding:0;margin:0;list-style:none}
.hero-card li{padding:13px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:18px;font-size:14px}
.hero-card li b{color:var(--red)}
.breadcrumb{padding:20px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.breadcrumb a:hover{color:var(--red)}
.section{padding:82px 0}
.section-title{font-size:clamp(30px,4vw,46px);line-height:1.22;letter-spacing:-.05em;margin:14px 0 20px}
.section-intro{max-width:780px;color:var(--muted);font-size:17px}
.index-layout{display:grid;grid-template-columns:270px 1fr;gap:70px}
.index-box{position:sticky;top:105px;align-self:start;background:var(--coal);color:var(--white);padding:26px;border-radius:var(--r)}
.index-box h2{font-size:20px;margin:0 0 14px;color:var(--lime)}
.index-box a{display:block;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.15);color:#d7dbd2;font-size:14px}
.index-box a:hover{color:var(--lime);padding-left:5px}
.reading-copy{max-width:800px}
.reading-copy h2{font-size:34px;line-height:1.3;margin:0 0 18px}
.reading-copy h3{font-size:23px;margin:35px 0 10px}
.reading-copy p{margin:0 0 20px}
.reading-copy blockquote{margin:30px 0;padding:20px 24px;background:var(--red-soft);border-left:4px solid var(--red);font-size:19px;font-weight:700}
.note{margin:28px 0;padding:20px 24px;background:#eaf4bc;border-top:3px solid var(--lime-dark)}
.note strong{display:block;margin-bottom:5px}
.chapter{background:var(--coal);color:var(--white)}
.chapter .section-intro{color:#c2c8be}
.chapter-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px;margin-top:40px}
.chapter-nav{border-left:1px solid #6b7168}
.chapter-nav a{display:block;padding:16px 20px;border-left:4px solid transparent;color:#aeb5aa}
.chapter-nav a:first-child,.chapter-nav a:hover{border-color:var(--lime);color:var(--lime);background:rgba(201,239,67,.07)}
.chapter-content article{padding:0 0 34px;margin-bottom:34px;border-bottom:1px solid rgba(255,255,255,.16)}
.chapter-content article:last-child{border:0;margin:0}
.chapter-content h3{font-size:25px;margin:0 0 12px;color:var(--lime)}
.chapter-content p{color:#d7dbd2;margin:0 0 14px}
.scene{background:#e9e8e1}
.scene-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;margin-top:38px}
.scene-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.scene-card img{height:275px}
.scene-card div{padding:22px}
.scene-card h3{margin:0 0 8px;font-size:22px}
.scene-card p{margin:0;color:var(--muted)}
.scene-card.tall img{height:390px}
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:38px}
.check-item{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:.22s}
.check-item:hover{transform:translateY(-5px);border-color:var(--lime-dark);box-shadow:var(--shadow)}
.check-item b{display:flex;align-items:center;gap:12px;font-size:19px}
.check-item b span{color:var(--red);font-size:13px}
.check-item p{color:var(--muted);margin:10px 0 0}
.related{background:var(--paper)}
.related-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px;margin-top:36px}
.related-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.22s}
.related-card:hover{transform:translateY(-5px);border-color:var(--lime-dark)}
.related-card img{height:180px}
.related-card div{padding:20px}
.related-card h3{margin:0 0 7px;font-size:21px}
.related-card p{margin:0;color:var(--muted);font-size:14px}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px}
.faq-list details{background:var(--white);border-bottom:1px solid var(--line);padding:18px 0}
summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--red);font-size:24px;line-height:1}
details[open] summary:after{content:"−";color:var(--lime-dark)}
.faq-list p{color:var(--muted);margin:12px 30px 0 0}
.cta{background:var(--ink);color:var(--white);position:relative;overflow:hidden}
.cta:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,25,23,.96),rgba(23,25,23,.75)),url('/assets/images/backpic/back-3.webp') center/cover}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.cta h2{font-size:clamp(32px,4vw,50px);line-height:1.2;margin:14px 0}
.cta p{color:#cbd0c6}
.form{background:rgba(255,253,247,.96);color:var(--ink);padding:25px;border-radius:var(--r)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label{display:block;font-size:13px;font-weight:800;margin-bottom:5px}
input,textarea{width:100%;border:1px solid var(--line);background:var(--paper);padding:11px 13px;border-radius:9px;margin-bottom:14px;color:var(--ink)}
textarea{min-height:90px;resize:vertical}
.form small{display:block;color:var(--muted);font-size:12px;margin-top:12px}
footer{background:var(--coal);color:#c9cec4;padding:54px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px}
footer h2{color:var(--white);font-size:22px;margin:0 0 13px}
footer h3{color:var(--lime);font-size:15px;margin:0 0 12px}
footer p,footer a{font-size:13px;color:#b9beb4}
footer a{display:block;margin:7px 0;transition:.2s}
footer a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12px;color:#9ea59b}
.footer-bottom a{display:inline}
@media(max-width:1024px){.nav{gap:0}.nav>a{padding:8px 6px;font-size:13px}.hero-inner,.cta-grid{gap:35px}.index-layout,.chapter-grid{gap:40px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--max))}.topbar{min-height:64px}.menu-btn{display:block}.nav{display:none;position:absolute;left:16px;right:16px;top:68px;background:var(--coal);padding:12px;flex-direction:column;align-items:stretch;border:1px solid #565c54;border-radius:12px;box-shadow:var(--shadow)}.nav.open{display:flex}.nav>a{padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.1)}.hero{padding:48px 0}.hero-inner,.index-layout,.chapter-grid,.scene-grid,.faq-layout,.cta-grid{grid-template-columns:1fr}.hero-card{max-width:560px}.index-box{position:static}.section{padding:60px 0}.chapter-nav{display:flex;overflow:auto;border-left:0;border-bottom:1px solid #6b7168;white-space:nowrap}.chapter-nav a{border-left:0;border-bottom:3px solid transparent}.chapter-nav a:first-child,.chapter-nav a:hover{border-bottom-color:var(--lime)}.scene-card.tall img,.scene-card img{height:250px}.related-grid,.check-grid{grid-template-columns:1fr 1fr}.cta-grid{gap:30px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){h1{font-size:38px}.hero p{font-size:16px}.hero-actions .btn{width:100%}.form-row,.related-grid,.check-grid{grid-template-columns:1fr}.section-title{font-size:32px}.reading-copy h2{font-size:28px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}}

/* roulang page: category1 */
:root{--ink:#171917;--coal:#252824;--paper:#f5f3ed;--white:#fffdf7;--line:#d7d5cd;--muted:#6b7069;--lime:#c9ef43;--lime-dark:#9cbf22;--red:#9a4d3f;--red-soft:#f2e4df;--shadow:0 16px 38px rgba(25,28,23,.09);--r:16px;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.85}a{color:inherit;text-decoration:none}img{display:block;width:100%;object-fit:cover}button,input,textarea{font:inherit}button{cursor:pointer}.container{width:min(calc(100% - 48px),var(--max));margin:auto}
header{position:sticky;top:0;z-index:50;background:rgba(23,25,23,.98);color:var(--white);border-bottom:1px solid rgba(255,255,255,.13)}.topbar{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-weight:900;font-size:22px;letter-spacing:-.08em;white-space:nowrap}.brand i{display:inline-block;width:19px;height:9px;margin-right:8px;border-top:3px solid var(--lime);border-bottom:3px solid var(--lime);transform:skewX(-32deg)}.nav{display:flex;align-items:center;gap:3px}.nav>a{padding:8px 9px;font-size:14px;color:#d5d8d0;transition:.2s}.nav>a:hover,.nav>a.active{color:var(--lime)}.menu-btn{display:none;background:none;border:1px solid #71756d;color:#fff;border-radius:8px;padding:7px 10px}
.hero{position:relative;min-height:430px;overflow:hidden;color:#fff;background:var(--ink);display:flex;align-items:center}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,20,18,.98),rgba(18,20,18,.78) 48%,rgba(18,20,18,.2)),url('/assets/images/backpic/back-2.webp') center/cover}.hero-inner{position:relative;z-index:1;width:min(calc(100% - 48px),var(--max));margin:auto;padding:70px 0 56px;display:grid;grid-template-columns:1.15fr .85fr;gap:40px}.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.1em;font-weight:800}.eyebrow:before{content:"";width:22px;height:2px;background:var(--lime)}.hero .eyebrow{color:var(--lime)}h1{font-size:clamp(38px,5.4vw,68px);line-height:1.12;letter-spacing:-.07em;margin:18px 0}.hero p{max-width:690px;color:#d7dbd2;font-size:18px;line-height:1.95;margin:0}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:11px 19px;border-radius:11px;border:1px solid var(--ink);font-weight:800;transition:.22s ease}.btn:hover{transform:translateY(-3px);box-shadow:0 8px 0 var(--lime)}.btn:active{transform:translateY(0);box-shadow:none}.btn:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:3px}.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}.btn-dark{background:var(--ink);color:var(--lime)}.btn-light{background:transparent;color:var(--lime);border-color:var(--lime)}.hero-panel{align-self:end;border-left:1px solid var(--lime);background:rgba(28,31,27,.78);padding:25px}.hero-panel strong{display:block;color:var(--lime);font-size:32px;line-height:1.2}.hero-panel p{font-size:14px;margin-top:10px}.countdown{background:var(--lime);color:var(--ink);font-size:14px;font-weight:800;padding:12px 0}.countdown .container{display:flex;justify-content:space-between;gap:20px;align-items:center}.countdown b{font-size:19px}.progress{display:grid;grid-template-columns:repeat(4,1fr);background:var(--white);border-bottom:1px solid var(--line)}.progress a{position:relative;padding:18px 16px 18px 35px;border-left:1px solid var(--line);font-size:14px;font-weight:800;transition:.2s}.progress a:before{content:attr(data-step);position:absolute;left:13px;color:var(--red);font-size:11px}.progress a:hover,.progress a.current{background:#edf5c7}.progress a.current:after{content:"";position:absolute;bottom:0;left:0;right:0;height:4px;background:var(--lime-dark)}
.section{padding:82px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}.section-title{font-size:clamp(30px,4vw,46px);line-height:1.22;letter-spacing:-.05em;margin:12px 0}.section-intro{max-width:730px;color:var(--muted);font-size:17px}.crumb{padding:22px 0 0;color:var(--muted);font-size:13px}.tag{padding:5px 10px;border:1px solid currentColor;border-radius:99px;color:var(--red);letter-spacing:.04em}.focus-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px}.focus-image{min-height:390px;border-radius:var(--r);overflow:hidden;position:relative;background:var(--coal)}.focus-image img{height:100%}.image-caption{position:absolute;bottom:0;left:0;right:0;padding:18px;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.82));font-size:14px}.focus-copy{background:var(--white);padding:34px;border-top:4px solid var(--red)}h2{font-size:clamp(28px,3.2vw,40px);line-height:1.25;margin:0 0 16px}h3{font-size:21px;line-height:1.35;margin:0 0 8px}.focus-copy p{color:var(--muted);margin:0 0 19px}.fact-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.fact{border-top:1px solid var(--line);padding-top:13px}.fact b{display:block;font-size:25px}.fact span{font-size:13px;color:var(--muted)}
.timeline-section{background:#e9e8e1}.timeline-layout{display:grid;grid-template-columns:310px 1fr;gap:58px}.timeline{border-left:2px solid var(--lime-dark);padding-left:25px}.time-item{position:relative;padding:0 0 28px}.time-item:before{content:"";position:absolute;left:-33px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--ink);border:3px solid var(--lime)}.time-item time{color:var(--red);font-weight:800;font-size:13px}.time-item h3{margin:5px 0}.time-item p{color:var(--muted);margin:0;font-size:15px}.news-list{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:8px 25px}.news-row{display:grid;grid-template-columns:100px 1fr auto;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}.news-row:last-child{border:0}.news-row time{color:var(--red);font-size:13px;font-weight:800}.news-row p{margin:0;color:var(--muted);font-size:14px}.text-link{font-weight:800;color:var(--red);white-space:nowrap}.text-link span{display:inline-block;transition:.2s}.text-link:hover span{transform:translateX(5px)}
.editor-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:55px}.editor-note{padding:28px;background:var(--ink);color:#fff;border-radius:var(--r);height:max-content}.editor-note strong{display:block;color:var(--lime);font-size:31px}.editor-note p{color:#c8cdc3;margin-bottom:0}.editor-copy p{color:var(--muted);margin-top:0}.principles{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:25px}.principles div{padding:17px;border:1px solid var(--line);background:var(--white);border-radius:12px}.principles b{display:block;margin-bottom:5px}.principles span{font-size:14px;color:var(--muted)}
.reminder{background:var(--coal);color:#fff}.reminder-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:center}.reminder .section-intro{color:#bac0b7}.reminder-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.reminder-card{padding:22px;border:1px solid #525850;background:#30342f;border-radius:14px}.reminder-card b{color:var(--lime);display:block;margin-bottom:7px}.reminder-card p{margin:0;color:#c8cdc3;font-size:14px}
.related{background:#efeee8}.related-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:16px}.related-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.22s}.related-card:hover{transform:translateY(-6px);border-color:var(--lime-dark);box-shadow:var(--shadow)}.related-card:first-child{grid-row:span 2}.related-card img{height:180px}.related-card:first-child img{height:300px}.related-card div{padding:18px}.related-card p{font-size:14px;color:var(--muted);margin:6px 0 12px}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.faq-side p{color:var(--muted)}details{background:var(--white);border-bottom:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:15px}summary::-webkit-details-marker{display:none}summary:after{content:"+";color:var(--red);font-size:22px}details[open] summary:after{content:"−";color:var(--lime-dark)}details p{color:var(--muted);margin:12px 28px 0 0}
.cta{background:var(--ink);color:#fff;padding:70px 0}.cta-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:start}.cta h2{color:#fff}.cta p{color:#c7ccc3}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:13px;color:#dce1d7}.field input,.field textarea{border:1px solid #5b6258;border-radius:10px;background:#2a2e29;color:#fff;padding:12px 14px}.field textarea{min-height:100px;resize:vertical}.privacy{font-size:12px!important;color:#949c91!important;margin:12px 0}
footer{background:#171917;color:#c9cec5;border-top:1px solid #3a4038;padding:44px 0 20px}.footer-grid{display:grid;grid-template-columns:1.25fr .8fr .8fr 1fr;gap:30px;padding-bottom:30px}.footer-brand{color:#fff;font-size:22px;font-weight:900}.footer-grid h3{font-size:14px;color:var(--lime);margin:0 0 12px}.footer-grid p,.footer-grid a{font-size:13px;color:#adb4a9}.footer-grid a{display:block;margin:6px 0;transition:.2s}.footer-grid a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px}.copyright{border-top:1px solid #3a4038;padding-top:18px;font-size:12px;color:#929990;display:flex;flex-wrap:wrap;gap:15px}
@media(max-width:1024px){.nav{gap:0}.nav>a{padding:8px 5px;font-size:13px}.hero-inner,.focus-grid,.editor-grid,.reminder-grid{grid-template-columns:1fr 1fr}.timeline-layout{grid-template-columns:230px 1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container,.hero-inner{width:min(calc(100% - 32px),var(--max))}.topbar{min-height:64px}.menu-btn{display:block}.nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--ink);padding:12px 16px;flex-direction:column;align-items:stretch;border-top:1px solid #454a43}.nav.open{display:flex}.nav>a{padding:12px 8px}.hero-inner,.focus-grid,.editor-grid,.reminder-grid,.timeline-layout,.faq-layout{grid-template-columns:1fr}.hero{min-height:590px}.hero-inner{padding:60px 0 45px}.hero-panel{margin-top:18px}.progress{display:flex;overflow-x:auto}.progress a{min-width:170px}.section{padding:62px 0}.section-head{display:block}.news-row{grid-template-columns:82px 1fr}.news-row .text-link{grid-column:2}.related-grid{grid-template-columns:1fr 1fr}.related-card:first-child{grid-row:auto;grid-column:1/-1}.related-card:first-child img,.related-card img{height:190px}.timeline-layout{gap:30px}.reminder-list{grid-template-columns:1fr}}
@media(max-width:520px{.container,.hero-inner{width:calc(100% - 28px)}h1{font-size:38px}.hero p{font-size:16px}.hero-actions .btn{width:100%}.countdown .container{display:block}.countdown b{display:block;margin-top:4px}.fact-row,.principles,.related-grid,.form-grid{grid-template-columns:1fr}.focus-copy{padding:24px}.news-list{padding:4px 16px}.news-row{grid-template-columns:1fr;gap:3px}.news-row .text-link{grid-column:auto;margin-top:5px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin:6px 0}}

/* roulang page: category3 */
:root{--ink:#171917;--coal:#252824;--paper:#f5f3ed;--white:#fffdf7;--line:#d7d5cd;--muted:#6b7069;--lime:#c9ef43;--lime-dark:#9cbf22;--red:#9a4d3f;--red-soft:#f2e4df;--shadow:0 16px 38px rgba(25,28,23,.09);--r:16px;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.85}a{color:inherit;text-decoration:none}img{display:block;width:100%;object-fit:cover}button,input,textarea{font:inherit}button{cursor:pointer}.container{width:min(calc(100% - 48px),var(--max));margin:auto}.section{padding:82px 0}.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.1em;font-weight:800}.eyebrow:before{content:"";width:22px;height:2px;background:var(--lime)}.tag{padding:5px 10px;border:1px solid currentColor;border-radius:99px;color:var(--red);letter-spacing:.04em}.section-title{font-size:clamp(30px,4vw,45px);line-height:1.22;letter-spacing:-.05em;margin:14px 0 18px}.section-intro{max-width:770px;color:var(--muted);font-size:17px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:11px 19px;border-radius:11px;border:1px solid var(--ink);font-weight:800;transition:.22s ease;background:transparent}.btn:hover{transform:translateY(-3px);box-shadow:0 8px 0 var(--lime)}.btn:active{transform:translateY(0);box-shadow:none}.btn-primary{background:var(--ink);color:var(--lime)}.btn-light{border-color:var(--lime);color:var(--lime)}.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:4px}.arrow{transition:transform .2s}.btn:hover .arrow{transform:translateX(4px)}
header{position:sticky;top:0;z-index:50;background:rgba(23,25,23,.98);color:var(--white);border-bottom:1px solid rgba(255,255,255,.13)}.topbar{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-weight:900;font-size:22px;letter-spacing:-.08em;white-space:nowrap}.brand i{display:inline-block;width:19px;height:9px;margin-right:8px;border-top:3px solid var(--lime);border-bottom:3px solid var(--lime);transform:skewX(-32deg)}.nav{display:flex;align-items:center;gap:4px}.nav>a{padding:8px 10px;font-size:14px;color:#d5d8d0;transition:.2s}.nav>a:hover,.nav>a.active{color:var(--lime)}.menu-btn{display:none;background:none;border:1px solid #71756d;color:var(--white);border-radius:8px;padding:7px 10px}
.crumb{padding:18px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}.crumb a:hover{color:var(--red)}.crumb span{margin:0 9px;color:#a4a69f}
.category-hero{position:relative;overflow:hidden;min-height:448px;color:var(--white);background:var(--ink);display:flex;align-items:end}.category-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,20,18,.98) 0%,rgba(18,20,18,.83) 48%,rgba(18,20,18,.2)),url('/assets/images/backpic/back-2.webp') center/cover}.category-hero:after{content:"人物观察 / 03";position:absolute;right:4%;top:36px;font-size:clamp(22px,4vw,52px);font-weight:900;color:rgba(255,255,255,.18);letter-spacing:.08em}.hero-inner{position:relative;z-index:1;width:min(calc(100% - 48px),var(--max));margin:auto;padding:70px 0 55px}.hero-inner .eyebrow{color:var(--lime)}h1{max-width:760px;margin:16px 0;font-size:clamp(40px,5.5vw,64px);line-height:1.08;letter-spacing:-.07em}.hero-text{max-width:675px;color:#d8ddd4;font-size:18px}.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.hero-meta span{padding:6px 11px;background:rgba(255,255,255,.11);border-left:2px solid var(--lime);font-size:13px}
.index-strip{background:#e8e8e0;border-bottom:1px solid var(--line)}.index-strip .container{display:flex;align-items:center;gap:12px;padding:13px 0;overflow:auto}.index-label{flex:none;font-weight:900;font-size:13px}.index-strip a{flex:none;padding:5px 11px;border-radius:99px;border:1px solid var(--line);font-size:13px;transition:.2s}.index-strip a:hover{background:var(--ink);border-color:var(--ink);color:var(--lime)}
.feature-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch}.feature-photo{position:relative;min-height:455px;border-radius:var(--r);overflow:hidden;background:var(--ink)}.feature-photo img{height:100%;filter:grayscale(1);opacity:.87}.feature-photo:after{content:"档案 001";position:absolute;bottom:18px;right:20px;color:var(--lime);font-size:27px;font-weight:900;letter-spacing:.08em}.feature-copy{padding:30px 0 15px}.feature-copy h2{font-size:clamp(29px,3.5vw,42px);line-height:1.25;letter-spacing:-.05em;margin:16px 0}.feature-copy p{color:var(--muted);margin:0 0 18px}.quote{margin:28px 0;padding:20px 24px;border-left:4px solid var(--lime-dark);background:var(--white);font-weight:800;font-size:18px;line-height:1.7}.mini-list{list-style:none;padding:0;margin:24px 0}.mini-list li{padding:13px 0;border-bottom:1px solid var(--line)}.mini-list b{display:inline-block;width:92px;color:var(--red);font-size:13px}
.dark-panel{background:var(--ink);color:var(--white)}.dark-panel .section-intro{color:#bbc1b8}.archive-grid{display:grid;grid-template-columns:1.1fr .65fr .9fr;grid-template-rows:230px 230px;gap:16px;margin-top:38px}.archive-card{position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.16);background:#2a2d29;min-height:0;padding:25px;transition:.25s}.archive-card:hover{transform:translateY(-5px);border-color:var(--lime)}.archive-card img{position:absolute;inset:0;height:100%;opacity:.38;filter:grayscale(1);transition:.35s}.archive-card:hover img{opacity:.55;transform:scale(1.05)}.archive-card>div{position:relative;z-index:1;display:flex;height:100%;flex-direction:column;justify-content:flex-end}.archive-card:first-child{grid-row:span 2}.archive-card h3{font-size:23px;line-height:1.25;margin:10px 0 4px}.archive-card p{margin:0;color:#d2d7cd;font-size:14px;line-height:1.7}.number{color:var(--lime);font-size:13px;font-weight:900;letter-spacing:.12em}
.interview-grid{display:grid;grid-template-columns:270px minmax(0,1fr);gap:70px}.sticky-note{align-self:start;position:sticky;top:104px;border-top:3px solid var(--red);padding-top:18px}.sticky-note h2{font-size:30px;line-height:1.25;margin:10px 0}.sticky-note p{color:var(--muted);font-size:14px}.transcript{max-width:800px}.transcript article{padding:0 0 38px;margin-bottom:38px;border-bottom:1px solid var(--line)}.transcript h3{font-size:25px;line-height:1.35;margin:8px 0 15px}.transcript p{color:#454944;margin:0 0 17px}.answer{padding:17px 21px;background:var(--red-soft);border-radius:0 var(--r) var(--r) var(--r);font-weight:700}.answer small{display:block;color:var(--red);font-weight:900;letter-spacing:.08em;margin-bottom:6px}
.role-board{background:#e9e8e1}.role-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin-top:34px}.role{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:23px;transition:.22s}.role:hover{border-color:var(--lime-dark);transform:translateY(-5px);box-shadow:var(--shadow)}.role:nth-child(1){grid-column:span 5}.role:nth-child(2){grid-column:span 3}.role:nth-child(3){grid-column:span 4}.role:nth-child(4){grid-column:span 4}.role:nth-child(5){grid-column:span 5}.role:nth-child(6){grid-column:span 3}.role h3{margin:10px 0 8px;font-size:21px}.role p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}.role .tag{font-size:11px}
.timeline{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}.timeline-list{border-left:1px solid var(--line);padding-left:28px}.timeline-item{position:relative;padding:0 0 30px}.timeline-item:before{content:"";position:absolute;left:-35px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--ink);box-shadow:0 0 0 5px var(--paper)}.timeline-item:first-child:before{background:var(--lime-dark)}.timeline-item time{color:var(--red);font-size:13px;font-weight:900}.timeline-item h3{margin:4px 0;font-size:20px}.timeline-item p{margin:0;color:var(--muted);font-size:14px}.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.related-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.25s}.related-card:hover{transform:translateY(-6px);border-color:var(--lime-dark);box-shadow:var(--shadow)}.related-card img{height:165px}.related-card div{padding:17px}.related-card h3{font-size:19px;line-height:1.35;margin:9px 0}.related-card p{font-size:14px;line-height:1.7;color:var(--muted);margin:0 0 12px}.text-link{font-size:14px;font-weight:900;color:var(--red)}.text-link:hover{color:var(--ink)}
.faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:0}summary{position:relative;list-style:none;padding:19px 34px 19px 0;font-weight:900;cursor:pointer}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:4px;top:17px;font-size:25px;font-weight:400;color:var(--red)}details[open] summary{color:var(--red)}details[open] summary:after{content:"−";color:var(--lime-dark)}details p{margin:0;padding:0 28px 20px 0;color:var(--muted);font-size:15px}
.cta{position:relative;overflow:hidden;background:var(--coal);color:var(--white)}.cta:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,25,23,.98),rgba(23,25,23,.78)),url('/assets/images/backpic/back-3.webp') center/cover}.cta .container{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:45px;align-items:center}.cta h2{font-size:clamp(31px,4vw,47px);line-height:1.2;margin:13px 0}.cta p{color:#d1d6cd}.subscribe{display:grid;grid-template-columns:1fr auto;gap:10px;background:rgba(255,255,255,.08);padding:10px;border:1px solid rgba(255,255,255,.2);border-radius:var(--r)}.subscribe input{min-width:0;padding:12px;border:0;background:transparent;color:var(--white);outline:0}.subscribe input::placeholder{color:#aab0a7}.subscribe .btn{white-space:nowrap}.privacy{display:block;margin-top:11px;color:#aeb5aa;font-size:12px}
footer{background:#121412;color:#d0d5cc;padding:62px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:35px}.footer-brand{font-size:24px;font-weight:900;color:var(--white)}.footer-brand i{display:inline-block;width:17px;height:8px;margin-right:7px;border-top:3px solid var(--lime);border-bottom:3px solid var(--lime);transform:skewX(-32deg)}footer h3{font-size:14px;color:var(--lime);letter-spacing:.08em;margin:0 0 13px}footer p{font-size:14px;line-height:1.8;margin:12px 0;color:#aeb5aa}.footer-links{display:grid;gap:8px}.footer-links a{font-size:14px;color:#cbd0c7;transition:.2s}.footer-links a:hover{color:var(--lime);transform:translateX(3px)}.footer-bottom{margin-top:45px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12px;color:#90978d}.footer-bottom a{color:#cbd0c7}.footer-bottom a:hover{color:var(--lime)}
@media(max-width:1024px){.nav>a{padding:8px 6px;font-size:13px}.feature-layout,.timeline,.faq-wrap,.cta .container{grid-template-columns:1fr;gap:34px}.archive-grid{grid-template-columns:1fr 1fr}.archive-card:first-child{grid-row:span 1;grid-column:span 2}.interview-grid{gap:36px}.sticky-note{position:static}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--max))}.topbar{min-height:64px}.menu-btn{display:block}.nav{display:none;position:absolute;left:0;right:0;top:64px;padding:14px 16px 20px;background:var(--ink);border-bottom:1px solid rgba(255,255,255,.14);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav>a{padding:10px}.section{padding:62px 0}.category-hero{min-height:390px}.hero-inner{width:min(calc(100% - 32px),var(--max));padding:55px 0 42px}.hero-text{font-size:16px}.feature-photo{min-height:350px}.archive-grid{grid-template-columns:1fr;grid-template-rows:auto}.archive-card,.archive-card:first-child{min-height:240px;grid-column:auto;grid-row:auto}.role-grid{grid-template-columns:1fr}.role,.role:nth-child(n){grid-column:auto}.related{grid-template-columns:1fr}.related-card img{height:205px}.footer-grid{grid-template-columns:1fr 1fr}.subscribe{grid-template-columns:1fr}.subscribe .btn{width:100%}}
@media(max-width:520px){body{font-size:16px}.section-title{font-size:31px}.category-hero:after{display:none}h1{font-size:39px}.hero-meta span{font-size:12px}.index-strip .container{width:100%;padding-left:16px}.feature-copy{padding-top:0}.quote{font-size:16px;padding:16px}.transcript h3{font-size:22px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom div+div{margin-top:8px}}

/* roulang page: category4 */
:root{
      --ink:#171917;--coal:#252824;--paper:#f5f3ed;--white:#fffdf7;
      --line:#d7d5cd;--muted:#6b7069;--lime:#c9ef43;--lime-dark:#9cbf22;
      --red:#9a4d3f;--red-soft:#f2e4df;--shadow:0 16px 38px rgba(25,28,23,.09);
      --r:16px;--max:1240px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.85}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--max));margin:auto}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.1em;font-weight:800}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--lime)}
    .tag{padding:5px 10px;border:1px solid currentColor;border-radius:99px;color:var(--red);letter-spacing:.04em}
    .section{padding:84px 0}
    .section-title{font-size:clamp(30px,4vw,46px);line-height:1.22;letter-spacing:-.05em;margin:14px 0 20px}
    .section-intro{max-width:780px;color:var(--muted);font-size:17px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:11px 19px;border-radius:11px;border:1px solid var(--ink);font-weight:800;transition:.22s ease}
    .btn:hover{transform:translateY(-3px);box-shadow:0 9px 0 var(--lime)}
    .btn:active{transform:translateY(0);box-shadow:none}
    .btn-primary{background:var(--ink);color:var(--lime)}
    .btn-ghost{background:transparent;color:var(--ink)}
    .btn-light{border-color:var(--lime);color:var(--lime)}
    .arrow{transition:transform .2s}.btn:hover .arrow{transform:translateX(4px)}
    header{position:sticky;top:0;z-index:50;background:rgba(23,25,23,.97);color:var(--white);border-bottom:1px solid rgba(255,255,255,.13)}
    .topbar{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{font-weight:900;font-size:22px;letter-spacing:-.08em;white-space:nowrap}
    .brand i{display:inline-block;width:19px;height:9px;margin-right:8px;border-top:3px solid var(--lime);border-bottom:3px solid var(--lime);transform:skewX(-32deg)}
    .nav{display:flex;align-items:center;gap:4px}
    .nav>a{padding:8px 10px;font-size:14px;color:#d5d8d0;transition:.2s}
    .nav>a:hover,.nav>a.active{color:var(--lime)}
    .menu-btn{display:none;background:none;border:1px solid #71756d;color:var(--white);border-radius:8px;padding:7px 10px}
    .hero{position:relative;overflow:hidden;background:var(--ink);color:var(--white)}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,20,18,.98),rgba(18,20,18,.82) 48%,rgba(18,20,18,.25)),url('/assets/images/backpic/back-2.webp') center/cover}
    .hero-inner{position:relative;z-index:1;padding:78px 0 64px;display:grid;grid-template-columns:1fr .72fr;gap:60px;align-items:end}
    .hero h1{font-size:clamp(42px,6vw,70px);line-height:1.12;letter-spacing:-.07em;margin:20px 0}
    .hero p{max-width:680px;color:#d7dbd2;font-size:18px;line-height:1.95}
    .hero .eyebrow{color:var(--lime)}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .hero-panel{padding:24px;border:1px solid rgba(201,239,67,.5);background:rgba(23,25,23,.78)}
    .hero-panel h2{font-size:22px;margin:0 0 16px}
    .choice{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.17);color:#d9ddd4}
    .choice:last-child{border:0}.choice b{color:var(--lime)}
    .crumb{padding:22px 0 0;color:var(--muted);font-size:13px}.crumb a:hover{color:var(--red)}
    .index-bar{background:#ebe9e1;border-bottom:1px solid var(--line)}
    .index-list{display:flex;overflow:auto}
    .index-list a{min-width:170px;padding:18px 20px;border-left:1px solid var(--line);font-weight:800;white-space:nowrap}
    .index-list a:hover,.index-list a.active{background:#e3efb8;color:var(--ink)}
    .split{display:grid;grid-template-columns:280px 1fr;gap:64px}
    .side-note{border-top:3px solid var(--red);padding-top:18px}
    .side-note strong{font-size:52px;line-height:1;color:var(--red);display:block}
    .side-note p{color:var(--muted);font-size:14px}
    .reading{max-width:790px}
    .reading h2,.reading h3{line-height:1.35;letter-spacing:-.03em}
    .reading h2{font-size:32px;margin:0 0 18px}.reading h3{font-size:21px;margin:30px 0 8px}
    .reading p{margin:0 0 20px}
    .reading blockquote{margin:28px 0;padding:18px 22px;background:var(--white);border-left:4px solid var(--lime-dark);font-size:19px;font-weight:700}
    .compare{background:var(--coal);color:var(--white)}
    .compare .section-intro{color:#b9beb4}
    .compare-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;margin-top:38px}
    .compare-card{background:#30352f;border:1px solid #4a5048;border-radius:var(--r);padding:28px;transition:.25s}
    .compare-card:hover{border-color:var(--lime);transform:translateY(-5px)}
    .compare-card h3{margin:0 0 12px;color:var(--lime);font-size:24px}
    .compare-card p{color:#d5d9d0;margin:0}.compare-card.large{grid-row:span 2}
    .marker{display:inline-block;margin-top:25px;padding:7px 11px;background:var(--lime);color:var(--ink);font-size:12px;font-weight:900}
    .scenario-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin-top:38px}
    .scenario{background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.25s}
    .scenario:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--lime-dark)}
    .scenario img{height:190px}.scenario div{padding:20px}.scenario h3{margin:0 0 7px;font-size:21px}.scenario p{color:var(--muted);margin:0;font-size:14px}
    .feature-zone{background:#e9e8e1}
    .feature-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:18px;margin-top:38px}
    .feature-main{position:relative;min-height:430px;border-radius:var(--r);overflow:hidden;color:var(--white)}
    .feature-main img{height:100%}.feature-main:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.9))}
    .feature-main div{position:absolute;z-index:1;bottom:0;padding:30px}.feature-main h3{font-size:29px;margin:10px 0 4px}
    .feature-side{display:grid;gap:18px}.mini-feature{padding:22px;background:var(--white);border:1px solid var(--line);border-radius:var(--r)}
    .mini-feature strong{font-size:29px;color:var(--red);display:block}.mini-feature h3{margin:4px 0}.mini-feature p{margin:0;color:var(--muted);font-size:14px}
    .image-strip{display:grid;grid-template-columns:1fr 1.35fr 1fr;gap:12px}.image-strip img{height:250px;border-radius:14px}.image-strip img:nth-child(2){height:310px;margin-top:-30px}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:38px;border-top:1px solid var(--line)}
    .flow article{padding:24px 20px;border-right:1px solid var(--line)}.flow article:last-child{border:0}.flow b{color:var(--red);font-size:13px}.flow h3{font-size:20px;margin:9px 0}.flow p{color:var(--muted);font-size:14px;margin:0}
    .tips{background:var(--red-soft)}.tips-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:54px}.checklist{display:grid;grid-template-columns:1fr 1fr;gap:12px}.check{padding:17px;background:var(--white);border-left:3px solid var(--lime-dark);font-weight:700}
    .faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.faq-list details{border-top:1px solid var(--line);padding:18px 0}.faq-list details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:20px}summary::-webkit-details-marker{display:none}summary:after{content:"+";color:var(--red);font-size:22px}details[open] summary:after{content:"−";color:var(--lime-dark)}details p{color:var(--muted);margin:12px 28px 0 0}
    .cta{background:var(--ink);color:var(--white);position:relative;overflow:hidden}.cta:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,25,23,.98),rgba(23,25,23,.82)),url('/assets/images/backpic/back-3.webp') center/cover;opacity:.8}.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr .85fr;gap:60px;align-items:center}.cta h2{font-size:clamp(32px,4vw,52px);line-height:1.2;margin:14px 0}.cta p{color:#cbd0c6}.form{display:grid;gap:12px}.form input,.form select,.form textarea{width:100%;padding:12px 14px;border:1px solid #5a6257;background:#252b25;color:var(--white);border-radius:9px;outline:none}.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,239,67,.15)}.form textarea{min-height:88px;resize:vertical}.privacy{font-size:12px;color:#9ea69a}
    footer{background:#111310;color:#c9cec5;padding:52px 0 24px}.footer-grid{display:grid;grid-template-columns:1.1fr .8fr .8fr 1fr;gap:32px}.footer-brand{color:var(--white);font-size:24px;font-weight:900}.footer h3{color:var(--lime);font-size:14px;margin:0 0 14px}.footer a{display:block;color:#c9cec5;font-size:14px;margin:7px 0}.footer a:hover{color:var(--lime);text-decoration:underline}.footer p{font-size:13px;color:#8e968b;margin:10px 0}.copyright{border-top:1px solid #30352f;margin-top:35px;padding-top:18px;font-size:12px;color:#899187;display:flex;flex-wrap:wrap;gap:18px}
    :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
    @media(max-width:1024px){.hero-inner,.cta-grid{grid-template-columns:1fr .8fr}.split{grid-template-columns:220px 1fr;gap:35px}.scenario-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:768px){.container{width:min(calc(100% - 32px),var(--max))}.topbar{min-height:64px}.menu-btn{display:block}.nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--ink);padding:12px 16px;flex-direction:column;align-items:stretch;border-bottom:1px solid #424840}.nav.open{display:flex}.nav>a{padding:12px}.hero-inner,.split,.compare-grid,.feature-grid,.tips-grid,.faq-wrap,.cta-grid{grid-template-columns:1fr}.hero-inner{padding:58px 0 48px;gap:35px}.hero h1{font-size:44px}.section{padding:64px 0}.flow{display:flex;overflow:auto}.flow article{min-width:220px}.image-strip{grid-template-columns:1fr 1fr}.image-strip img,.image-strip img:nth-child(2){height:190px;margin:0}.image-strip img:last-child{display:none}}
    @media(max-width:520px){.container{width:calc(100% - 28px)}.hero h1{font-size:37px}.hero p{font-size:16px}.scenario-grid,.checklist{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.hero-actions .btn{width:100%}.section-title{font-size:32px}.side-note strong{font-size:42px}.crumb{font-size:12px}.compare-card{padding:22px}.feature-main{min-height:330px}.cta-grid{gap:28px}}

/* roulang page: category6 */
:root{--ink:#171917;--coal:#252824;--paper:#f5f3ed;--white:#fffdf7;--line:#d7d5cd;--muted:#6b7069;--lime:#c9ef43;--lime-dark:#9cbf22;--red:#9a4d3f;--red-soft:#f2e4df;--shadow:0 16px 38px rgba(25,28,23,.09);--r:16px;--max:1240px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.85}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 48px),var(--max));margin:auto}
.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.1em;font-weight:800}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--lime)}
.tag{padding:5px 10px;border:1px solid currentColor;border-radius:99px;color:var(--red);letter-spacing:.04em;line-height:1.3}
.section{padding:88px 0}
.section-title{font-size:clamp(30px,4vw,46px);line-height:1.22;letter-spacing:-.05em;margin:14px 0 20px}
.section-intro{max-width:760px;color:var(--muted);font-size:17px}
header{position:sticky;top:0;z-index:50;background:rgba(23,25,23,.98);color:var(--white);border-bottom:1px solid rgba(255,255,255,.13)}
.topbar{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-weight:900;font-size:22px;letter-spacing:-.08em;white-space:nowrap}
.brand i{display:inline-block;width:19px;height:9px;margin-right:8px;border-top:3px solid var(--lime);border-bottom:3px solid var(--lime);transform:skewX(-32deg)}
.nav{display:flex;align-items:center;gap:4px}
.nav>a{padding:8px 10px;font-size:14px;color:#d5d8d0;transition:.2s}
.nav>a:hover,.nav>a.active{color:var(--lime)}
.menu-btn{display:none;background:none;border:1px solid #71756d;color:var(--white);border-radius:8px;padding:7px 10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:11px 19px;border-radius:11px;border:1px solid var(--ink);font-weight:800;transition:.22s ease}
.btn:hover{transform:translateY(-3px);box-shadow:0 9px 0 var(--lime)}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
.btn:active{transform:translateY(0);box-shadow:none}
.btn-primary{background:var(--ink);color:var(--lime)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-light{border-color:var(--lime);color:var(--lime)}
.arrow{transition:transform .2s}
.btn:hover .arrow{transform:translateX(4px)}
.hero{position:relative;overflow:hidden;background:var(--ink);color:var(--white)}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,20,18,.98),rgba(18,20,18,.82) 50%,rgba(18,20,18,.32)),url('/assets/images/backpic/back-2.webp') center/cover}
.hero-inner{position:relative;z-index:1;padding:68px 0 70px;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.hero h1{font-size:clamp(38px,5vw,64px);line-height:1.12;letter-spacing:-.07em;margin:18px 0}
.hero p{color:#d7dbd2;font-size:18px;max-width:650px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-visual{position:relative;border:1px solid rgba(201,239,67,.5);padding:12px;background:rgba(23,25,23,.65);transform:rotate(2deg)}
.hero-visual img{height:360px;filter:saturate(.8)}
.visual-note{position:absolute;left:24px;bottom:24px;background:var(--lime);color:var(--ink);padding:12px 16px;font-weight:900}
.breadcrumb{padding:20px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.breadcrumb a:hover{color:var(--red)}
.progress{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line);background:var(--white)}
.progress a{position:relative;padding:20px 16px 20px 32px;border-left:1px solid var(--line);font-size:14px;font-weight:800;transition:.2s}
.progress a:before{content:attr(data-step);position:absolute;left:12px;color:var(--red);font-size:11px}
.progress a:hover,.progress a.current{background:#edf5c7}
.progress a.current:after{content:"";position:absolute;bottom:0;left:0;right:0;height:4px;background:var(--lime-dark)}
.route{display:grid;grid-template-columns:280px 1fr;gap:70px}
.route-index{border-top:3px solid var(--red);padding-top:18px}
.route-index strong{font-size:70px;line-height:1;color:var(--red);display:block}
.route-index h2{font-size:30px;line-height:1.25;margin:15px 0}
.route-copy{max-width:790px}
.route-copy h2{font-size:34px;line-height:1.3;margin:0 0 20px}
.route-copy p{margin:0 0 20px}
.route-copy p.lead{font-size:20px;font-weight:700}
.route-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:28px}
.route-list div{background:var(--white);border:1px solid var(--line);padding:20px;border-radius:12px}
.route-list b{display:block;font-size:18px;margin-bottom:5px}
.route-list span{font-size:14px;color:var(--muted)}
.dark{background:var(--coal);color:var(--white)}
.dark .section-intro{color:#bbc0b7}
.path-wrap{display:grid;grid-template-columns:270px 1fr;gap:52px;margin-top:42px}
.path{border-left:1px solid #687064}
.path a{display:block;padding:0 0 28px 28px;position:relative;color:#aeb5aa;font-weight:800}
.path a:before{content:"";position:absolute;width:12px;height:12px;border-radius:50%;left:-7px;top:8px;background:#596057}
.path a.active{color:var(--lime)}
.path a.active:before{background:var(--lime);box-shadow:0 0 0 6px rgba(201,239,67,.12)}
.path-panel{background:#30352f;border:1px solid #4c5548;padding:30px;border-radius:var(--r)}
.path-panel h3{font-size:26px;color:var(--lime);margin:0 0 14px}
.path-panel p{color:#d6dbd1;margin:0 0 18px}
.tipline{display:flex;flex-wrap:wrap;gap:8px}
.tipline span{border:1px solid #69745e;padding:5px 10px;border-radius:99px;color:#d5e996;font-size:13px}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:38px}
.compare article{padding:30px;background:var(--white);border:1px solid var(--line);border-radius:var(--r)}
.compare article.dark-card{background:var(--ink);color:var(--white);border-color:var(--ink)}
.compare h3{font-size:23px;margin:0 0 14px}
.compare p{color:var(--muted)}
.dark-card p{color:#c2c8bd}
.compare ul,.checklist ul{padding-left:20px;margin:16px 0}
.compare li,.checklist li{margin:8px 0}
.route-map{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
.route-map img{height:100%;min-height:330px;border-radius:var(--r)}
.map-copy{background:#ebeae3;padding:34px;border-radius:var(--r)}
.map-copy h2{font-size:34px;line-height:1.3;margin:10px 0 16px}
.map-copy p{color:var(--muted)}
.checklist{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px}
.checklist h2{font-size:34px;line-height:1.3;margin-top:0}
.check-items{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.check-items div{background:var(--white);padding:18px;border-left:3px solid var(--lime-dark);border-radius:10px}
.check-items b{display:block;margin-bottom:5px}
.check-items span{font-size:14px;color:var(--muted)}
.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
.faq-grid h2{font-size:35px;line-height:1.25;margin-top:0}
details{border-top:1px solid var(--line);padding:18px 0}
details:last-child{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:18px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--red);font-size:23px;line-height:1}
details[open] summary:after{content:"−";color:var(--lime-dark)}
details p{color:var(--muted);margin:12px 30px 0 0}
.related{background:#e9e8e1}
.related-head{display:flex;justify-content:space-between;align-items:end;gap:20px}
.related-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:16px;margin-top:34px}
.related-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.25s}
.related-card:hover{transform:translateY(-6px);border-color:var(--lime-dark)}
.related-card img{height:170px}
.related-card div{padding:20px}
.related-card h3{margin:0 0 7px;font-size:20px}
.related-card p{margin:0;color:var(--muted);font-size:14px}
.cta{background:var(--ink);color:var(--white)}
.cta-grid{display:grid;grid-template-columns:1fr .9fr;gap:70px;align-items:center}
.cta h2{font-size:clamp(32px,4vw,50px);line-height:1.18;margin:14px 0}
.cta p{color:#c8cdc4;max-width:600px}
.cta-form{display:grid;gap:12px}
.cta-form input,.cta-form textarea{background:#30352f;border:1px solid #5a6255;color:var(--white);border-radius:9px;padding:12px 14px}
.cta-form textarea{min-height:95px;resize:vertical}
.cta-form small{color:#aeb5aa}
footer{background:#111310;color:#c8cdc4;padding:52px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:30px}
footer h3{color:var(--white);font-size:18px;margin:0 0 15px}
footer p{font-size:14px;color:#9fa69b;margin:0}
.footer-links{display:grid;gap:8px;font-size:14px}
.footer-links a{transition:.2s}
.footer-links a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:5px}
.footer-bottom{border-top:1px solid #343830;margin-top:36px;padding-top:16px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#858d81}
@media(max-width:1024px){.nav{gap:0}.nav>a{padding:8px 6px;font-size:13px}.hero-inner{grid-template-columns:1fr .8fr}.route,.checklist{gap:35px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--max))}.topbar{min-height:64px}.menu-btn{display:block}.nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--ink);padding:12px 16px 18px;flex-direction:column;align-items:stretch;border-bottom:1px solid #454b42}.nav.open{display:flex}.nav>a{padding:12px;border-bottom:1px solid #343830}.hero-inner,.route,.path-wrap,.route-map,.checklist,.faq-grid,.cta-grid{grid-template-columns:1fr}.hero-inner{padding:52px 0}.hero-visual{max-width:620px;margin:auto}.hero-visual img{height:270px}.progress{overflow-x:auto;grid-template-columns:repeat(4,minmax(145px,1fr))}.section{padding:64px 0}.route-list,.compare,.check-items{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr 1fr}.related-card:first-child{grid-column:span 2}.related-head{display:block}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.hero h1{font-size:38px}.hero p{font-size:16px}.hero-actions .btn{width:100%}.hero-visual{transform:none}.related-grid{display:block}.related-card{margin-bottom:14px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}.section-title{font-size:32px}}

/* roulang page: category5 */
:root{--ink:#171917;--coal:#252824;--paper:#f5f3ed;--white:#fffdf7;--line:#d7d5cd;--muted:#6b7069;--lime:#c9ef43;--lime-dark:#9cbf22;--red:#9a4d3f;--red-soft:#f2e4df;--shadow:0 16px 38px rgba(25,28,23,.09);--r:16px;--max:1240px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.85}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 48px),var(--max));margin:auto}
header{position:sticky;top:0;z-index:20;background:rgba(23,25,23,.98);color:var(--white);border-bottom:1px solid rgba(255,255,255,.13)}
.topbar{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-weight:900;font-size:22px;letter-spacing:-.08em;white-space:nowrap}
.brand i{display:inline-block;width:19px;height:9px;margin-right:8px;border-top:3px solid var(--lime);border-bottom:3px solid var(--lime);transform:skewX(-32deg)}
.nav{display:flex;align-items:center;gap:3px}
.nav>a{padding:8px 9px;font-size:14px;color:#d5d8d0;transition:.2s}
.nav>a:hover,.nav>a.active{color:var(--lime)}
.menu-btn{display:none;background:none;border:1px solid #71756d;color:var(--white);border-radius:8px;padding:7px 10px}
.hero{position:relative;overflow:hidden;background:var(--ink);color:var(--white);padding:68px 0 62px}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,20,18,.98),rgba(18,20,18,.82) 52%,rgba(18,20,18,.3)),url('/assets/images/backpic/back-2.webp') center/cover}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;font-weight:800}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--lime)}
.hero .eyebrow{color:var(--lime)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5.3vw,68px);line-height:1.12;letter-spacing:-.07em;margin:18px 0}
.hero p{max-width:680px;color:#d7dbd2;font-size:18px;line-height:1.95}
.hero-panel{border:1px solid rgba(201,239,67,.52);background:rgba(26,30,26,.82);padding:25px}
.hero-panel h2{font-size:21px;margin-bottom:18px}
.index-list{list-style:none;padding:0;margin:0}
.index-list li{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.15);color:#dce0d8}
.index-list li:last-child{border:0}
.index-list b{color:var(--lime);font-size:13px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:47px;padding:10px 19px;border:1px solid var(--ink);border-radius:11px;font-weight:800;transition:.22s ease}
.btn:hover{transform:translateY(-3px);box-shadow:0 8px 0 var(--lime)}
.btn:active{transform:translateY(0);box-shadow:none}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-dark{background:var(--ink);color:var(--lime)}
.btn-light{background:transparent;border-color:var(--lime);color:var(--lime)}
.btn-ghost{background:transparent}
.arrow{transition:transform .2s}.btn:hover .arrow{transform:translateX(4px)}
.progress{background:var(--white);border-bottom:1px solid var(--line)}
.progress-inner{display:grid;grid-template-columns:repeat(4,1fr)}
.progress a{position:relative;padding:18px 15px 18px 38px;border-left:1px solid var(--line);font-size:14px;font-weight:800;transition:.2s}
.progress a:before{content:attr(data-step);position:absolute;left:14px;color:var(--red);font-size:11px}
.progress a:hover,.progress a.current{background:#edf5c7}
.progress a.current:after{content:"";position:absolute;bottom:0;left:0;right:0;height:4px;background:var(--lime-dark)}
.section{padding:84px 0}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:35px}
.section-title{font-size:clamp(30px,4vw,45px);line-height:1.2;letter-spacing:-.05em;margin:12px 0}
.section-intro{max-width:720px;color:var(--muted);font-size:17px}
.tag{padding:5px 10px;border:1px solid currentColor;border-radius:99px;color:var(--red);letter-spacing:.02em}
.topic-strip{display:flex;gap:12px;overflow:auto;padding:4px 0 17px;scrollbar-width:thin}
.topic-strip a{flex:0 0 auto;border:1px solid var(--line);background:var(--white);padding:12px 17px;border-radius:10px;font-weight:800;transition:.2s}
.topic-strip a:hover{border-color:var(--lime-dark);transform:translateY(-3px)}
.hot-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.feature-topic{position:relative;min-height:405px;overflow:hidden;border-radius:var(--r);color:#fff}
.feature-topic img{height:100%;position:absolute;inset:0}
.feature-topic:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.9))}
.feature-copy{position:absolute;z-index:1;left:30px;right:30px;bottom:26px}
.feature-copy h3{font-size:29px;line-height:1.3;margin:12px 0 6px}
.topic-list{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:16px 25px}
.topic-row{padding:17px 0;border-bottom:1px solid var(--line)}
.topic-row:last-child{border:0}
.topic-meta{display:flex;justify-content:space-between;color:var(--red);font-size:13px;font-weight:800}
.topic-row h3{font-size:18px;line-height:1.4;margin:6px 0}
.topic-row p{color:var(--muted);font-size:14px;margin:0}
.dark-section{background:var(--coal);color:var(--white)}
.dark-section .section-intro{color:#c2c8be}
.discuss-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:46px}
.discuss-note{border-left:3px solid var(--lime);padding:4px 0 4px 24px;color:#c8cec3}
.discuss-note strong{display:block;color:var(--lime);font-size:36px;line-height:1.2}
.discussion-flow{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.flow-card{border:1px solid rgba(255,255,255,.18);padding:22px;background:#1d211e;transition:.22s}
.flow-card:hover{border-color:var(--lime);transform:translateY(-4px)}
.flow-card b{color:var(--lime);font-size:13px}
.flow-card h3{font-size:21px;margin:10px 0 5px}
.flow-card p{color:#b8beb4;font-size:14px;margin:0}
.rules-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}
.rules-image{min-height:370px;overflow:hidden;border-radius:var(--r)}
.rules-image img{height:100%}
.rule-panel{background:var(--white);border:1px solid var(--line);padding:30px;border-radius:var(--r)}
.rule-panel h3{font-size:25px}
.rule-list{padding:0;margin:20px 0 0;list-style:none}
.rule-list li{padding:13px 0 13px 30px;border-bottom:1px solid var(--line);position:relative}
.rule-list li:before{content:"✓";position:absolute;left:0;color:var(--lime-dark);font-weight:900}
.community-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}
.feed{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:10px 26px}
.feed-item{display:grid;grid-template-columns:100px 1fr auto;gap:20px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}
.feed-item:last-child{border:0}
.feed-time{font-size:13px;color:var(--red);font-weight:800}
.feed-item h3{font-size:18px;margin:0 0 4px}
.feed-item p{font-size:14px;color:var(--muted);margin:0}
.reply{color:var(--muted);font-size:13px;white-space:nowrap}
.side-topics{background:var(--ink);color:var(--white);padding:26px;border-radius:var(--r)}
.side-topics h3{color:var(--lime);font-size:23px}
.side-topics a{display:block;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.16);color:#dce0d8}
.side-topics a:hover{color:var(--lime)}
.quote-section{background:#e9e8e1}
.quote-grid{display:grid;grid-template-columns:.65fr 1.35fr;gap:34px;align-items:start}
.quote-main{background:var(--ink);color:var(--white);padding:37px;border-radius:var(--r)}
.quote-main blockquote{font-size:25px;line-height:1.65;margin:0 0 20px;border-left:4px solid var(--lime);padding-left:20px}
.quote-main span{color:var(--lime);font-size:14px}
.quote-side{display:grid;gap:14px}
.mini-quote{background:var(--white);border:1px solid var(--line);padding:20px 24px}
.mini-quote p{margin:0 0 8px;font-size:17px}
.mini-quote small{color:var(--red);font-weight:800}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}
.faq-list details{background:var(--white);border-bottom:1px solid var(--line);padding:4px 0}
summary{cursor:pointer;list-style:none;padding:18px 36px 18px 0;font-weight:800;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:5px;color:var(--lime-dark);font-size:24px;line-height:1}
details[open] summary:after{content:"−"}
details p{color:var(--muted);padding:0 35px 18px 0;margin:0}
.cta{background#171917;color:var(--white);padding:70px 0;position:relative;overflow:hidden}
.cta:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,25,23,.98),rgba(23,25,23,.78)),url('/assets/images/backpic/back-3.webp') center/cover;opacity:.85}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr .9fr;gap:55px;align-items:center}
.cta h2{font-size:clamp(30px,4vw,48px);line-height:1.2;margin:13px 0}
.cta p{color:#c4cac0;max-width:600px}
.cta-form{background:rgba(255,253,247,.08);border:1px solid rgba(255,255,255,.2);padding:25px;border-radius:var(--r)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:#dbe0d6;margin-bottom:5px}
.field input,.field textarea,.field select{width:100%;border:1px solid #687067;background:#20241f;color:var(--white);border-radius:9px;padding:10px 12px;outline:none}
.field textarea{min-height:82px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,239,67,.14)}
.form-note{font-size:12px;color:#aeb5aa;margin:10px 0 0}
footer{background:var(--ink);color:#c5cbc1;padding:52px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr 1fr;gap:35px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.15)}
footer .brand{color:var(--white);display:block;margin-bottom:13px}
.footer-title{color:var(--lime);font-weight:800;margin:0 0 13px}
footer p,footer li,footer a{font-size:14px;color:#adb4a9}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin:6px 0}
footer a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:18px;color:#899188;font-size:12px}
.footer-bottom a{font-size:12px}
@media(max-width:1024px){
 .nav{gap:0}.nav>a{padding:8px 6px;font-size:13px}
 .hero-inner,.cta-inner{grid-template-columns:1fr .8fr}
 .discuss-grid{grid-template-columns:1fr}.discuss-note{max-width:680px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(calc(100% - 32px),var(--max))}
 .topbar{min-height:64px}.menu-btn{display:block}.nav{display:none;position:absolute;top:64px;left:0;right:0;padding:12px 16px 18px;background:var(--ink);border-bottom:1px solid #454a43;flex-direction:column;align-items:stretch}
 header.open .nav{display:flex}.nav>a{padding:12px 4px;border-bottom:1px solid rgba(255,255,255,.1)}
 .hero{padding:53px 0 45px}.hero-inner,.cta-inner{grid-template-columns:1fr;gap:28px}.hero-panel{max-width:600px}
 .progress-inner{display:flex;overflow:auto}.progress a{min-width:175px}
 .section{padding:62px 0}.section-head{display:block}.section-head .section-intro{margin-top:13px}
 .hot-layout,.rules-layout,.community-layout,.quote-grid,.faq-layout{grid-template-columns:1fr}
 .feature-topic{min-height:330px}.feed-item{grid-template-columns:82px 1fr}.reply{display:none}
 .rules-image{min-height:260px}.faq-layout{gap:25px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
}
@media(max-width:520px){
 body{font-size:16px}.container{width:calc(100% - 28px)}
 h1{font-size:38px}.hero p{font-size:16px}.hero-actions .btn{flex:1}
 .hero-panel{padding:19px}.discussion-flow{grid-template-columns:1fr}
 .feed{padding:8px 16px}.feed-item{grid-template-columns:1fr;gap:2px}
 .quote-main{padding:25px}.quote-main blockquote{font-size:20px}
 .form-row{grid-template-columns:1fr}.cta-form{padding:19px}
 .footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
}