/* roulang page: index */
:root{
  --ink:#14231e;--ink-2:#20352c;--green:#426b55;--green-deep:#294b3b;
  --mist:#e4ece0;--sand:#f5f1e8;--paper:#fffdf8;--clay:#ad7257;
  --muted:#67736c;--line:#ced8ce;--white:#fffdf8;--danger:#a55e4f;
  --radius:16px;--radius-sm:10px;--shadow:0 14px 36px rgba(20,35,30,.08);
  --shadow-hover:0 20px 42px rgba(20,35,30,.15);--container:1240px;
  --ease:220ms ease-out;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--sand);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75;letter-spacing:.01em;padding-bottom:0}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.24;background-image:linear-gradient(rgba(66,107,85,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(66,107,85,.035) 1px,transparent 1px);background-size:28px 28px;z-index:-1}
a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}::selection{background:var(--mist);color:var(--ink)}
:focus-visible{outline:3px solid var(--clay);outline-offset:3px}.grid-container{max-width:var(--container);padding-left:24px;padding-right:24px}
.site-header{height:78px;position:sticky;top:0;z-index:50;background:rgba(245,241,232,.91);border-bottom:1px solid rgba(20,35,30,.1);backdrop-filter:blur(14px);transition:var(--ease)}
.site-header.is-scrolled{height:68px;box-shadow:0 7px 20px rgba(20,35,30,.07)}
.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-size:17px;font-weight:800;letter-spacing:-.06em;white-space:nowrap;color:var(--ink)}.brand-mark{display:inline-flex;vertical-align:middle;width:22px;height:22px;border:2px solid var(--green);border-radius:50%;margin-right:8px;position:relative}.brand-mark:after{content:"";width:7px;height:7px;border-radius:50%;background:var(--clay);position:absolute;right:-3px;top:-3px}
.desktop-nav{display:flex;align-items:center;gap:7px}.desktop-nav a{padding:8px 13px;border-radius:8px;font-size:14px;font-weight:650;color:var(--muted);transition:var(--ease)}.desktop-nav a:hover,.desktop-nav a.active{background:var(--mist);color:var(--green-deep)}.nav-cta{background:var(--green)!important;color:var(--white)!important;padding:9px 16px!important}.nav-cta:hover{background:var(--green-deep)!important;transform:translateY(-1px)}
.mobile-title{display:none;color:var(--muted);font-size:13px}.section{padding:100px 0}.eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.14em}.eyebrow:before{content:"";width:28px;height:1px;background:var(--clay)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(38px,5vw,72px);line-height:1.12;letter-spacing:-.07em;font-weight:850}h2{font-size:clamp(28px,3.2vw,46px);line-height:1.22;letter-spacing:-.055em;font-weight:800}h3{font-size:20px;line-height:1.35;font-weight:800;letter-spacing:-.03em}.lead{font-size:17px;line-height:1.9;color:var(--muted);max-width:660px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:11px 18px;border:1px solid transparent;border-radius:9px;font-weight:750;font-size:15px;transition:transform var(--ease),background var(--ease),border var(--ease),box-shadow var(--ease)}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.btn-primary{background:var(--green);color:var(--white)}.btn-primary:hover{background:var(--green-deep)}.btn-quiet{border-color:var(--line);background:var(--paper);color:var(--ink)}.btn-quiet:hover{border-color:var(--green);background:var(--mist)}.badges{display:flex;flex-wrap:wrap;gap:8px}.badge{padding:5px 10px;border:1px solid #c9d7c8;border-radius:99px;background:rgba(228,236,224,.8);font-size:12px;font-weight:700;color:var(--green-deep)}
.dashboard{padding:54px 0 74px;position:relative;overflow:hidden}.dashboard:after{content:"";position:absolute;width:540px;height:540px;border:1px solid rgba(66,107,85,.16);border-radius:50%;right:-230px;top:-250px;pointer-events:none}.dashboard-copy{padding-right:30px}.dashboard h1 em{color:var(--green);font-style:normal;position:relative}.dashboard h1 em:after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:3px;background:var(--clay)}.dashboard-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:29px}
.score-panel{position:relative;background:var(--ink);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:22px;color:var(--white);box-shadow:var(--shadow);overflow:hidden}.score-panel:before{content:"";position:absolute;inset:12px;border:1px solid rgba(228,236,224,.14);border-radius:11px;pointer-events:none}.score-head{position:relative;display:flex;justify-content:space-between;align-items:center;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.15);font-size:12px;letter-spacing:.12em}.live-dot{width:8px;height:8px;border-radius:50%;display:inline-block;background:var(--clay);margin-right:6px}.score-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,.15);margin-top:16px;border:1px solid rgba(255,255,255,.15)}.metric{min-height:142px;background:var(--ink);padding:18px}.metric b{display:block;font-size:38px;line-height:1;color:#e8f0e6;letter-spacing:-.05em}.metric span{font-size:13px;color:#b9c9bf}.metric small{display:block;margin-top:18px;font-size:11px;color:#8fa397}.progress{height:3px;background:#486257;margin-top:8px}.progress i{display:block;height:100%;background:var(--clay)}
.matrix{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.section-intro{max-width:390px}.section-intro p{color:var(--muted)}.matrix-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:12px}.matrix-card{min-height:190px;padding:20px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--sand);position:relative;overflow:hidden;transition:var(--ease)}.matrix-card:nth-child(1){grid-row:span 2;background:var(--ink);color:var(--white);min-height:392px}.matrix-card:nth-child(4){grid-column:span 2}.matrix-card:hover{border-color:var(--green);box-shadow:var(--shadow);transform:translateY(-3px)}.matrix-card:after{content:"↗";position:absolute;right:18px;bottom:14px;font-size:23px;color:var(--clay);transition:var(--ease)}.matrix-card:hover:after{transform:translate(3px,-3px)}.matrix-num{font-size:12px;color:var(--clay);font-weight:800;letter-spacing:.12em}.matrix-card p{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:0}.matrix-card:first-child p{color:#c6d1c9}.matrix-card .badge{margin:14px 0 10px}
.compare{padding-bottom:82px}.compare-head{text-align:center;max-width:680px;margin:0 auto 42px}.compare-head .lead{margin-left:auto;margin-right:auto}.compare-wrap{display:grid;grid-template-columns:1fr 92px 1fr;align-items:stretch}.compare-card{padding:32px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper)}.compare-card.dark{background:var(--ink);border-color:var(--ink);color:var(--white)}.compare-card p{color:var(--muted)}.compare-card.dark p{color:#c4d0c7}.compare-list{list-style:none;margin:24px 0 0;padding:0}.compare-list li{padding:13px 0;border-top:1px solid var(--line);font-size:14px}.dark .compare-list li{border-color:rgba(255,255,255,.15)}.compare-list strong{display:block}.compare-axis{display:flex;align-items:center;justify-content:center;position:relative}.compare-axis:before{content:"";position:absolute;top:0;bottom:0;width:1px;background:var(--line)}.versus{position:relative;width:48px;height:48px;display:grid;place-items:center;border-radius:50%;background:var(--clay);color:white;font-size:12px;font-weight:800;letter-spacing:.08em}.notice-strip{margin-top:16px;border-left:3px solid var(--clay);padding:13px 16px;background:var(--mist);font-size:14px;color:var(--green-deep)}
.news-block{background:#e9eee5;padding:74px 0}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:88px 1fr auto;gap:18px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line);transition:var(--ease)}.news-item:hover{padding-left:10px;background:rgba(255,253,248,.45)}.news-date{font-size:12px;color:var(--clay);font-weight:800}.news-item h3{font-size:17px;margin:0}.news-item p{margin:3px 0 0;color:var(--muted);font-size:14px}.arrow{font-size:23px;color:var(--green)}
.faq{background:var(--paper)}.faq-copy{padding-right:38px}.faq-copy p{color:var(--muted)}.accordion{background:transparent}.accordion-item{margin-bottom:10px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--sand)}.accordion-title{border:0!important;background:transparent;padding:19px 50px 19px 19px;color:var(--ink)!important;font-size:16px;font-weight:750;line-height:1.5}.accordion-title:before{color:var(--green);font-size:22px;right:19px}.accordion-content{border:0!important;background:var(--mist);padding:0 19px 19px;color:var(--ink);font-size:15px}.accordion-item.is-active{border-color:#aebfae}.accordion-item.is-active .accordion-title{background:var(--mist)}
.cta-section{padding:100px 0}.form-shell{background:var(--ink);border-radius:20px;padding:44px;position:relative;overflow:hidden;color:var(--white)}.form-shell:after{content:"";position:absolute;width:440px;height:440px;border:1px solid rgba(255,255,255,.1);border-radius:50%;right:-220px;bottom:-260px}.form-copy{position:relative;z-index:1;padding-right:25px}.form-copy p{color:#c5d1c8}.form-note{margin-top:25px;padding:14px;border-left:2px solid var(--clay);background:rgba(255,255,255,.06);font-size:13px;color:#d1ddd4}.contact-form{position:relative;z-index:1;background:var(--paper);padding:25px;border-radius:12px;color:var(--ink)}label{font-weight:700;font-size:13px;margin-bottom:6px;color:var(--ink)}input,select,textarea{margin:0 0 15px!important;border:1px solid var(--line)!important;border-radius:8px!important;background:#fffefa!important;box-shadow:none!important;color:var(--ink)!important;padding:11px 12px!important;min-height:45px!important}textarea{min-height:98px!important;resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--green)!important;box-shadow:0 0 0 3px rgba(66,107,85,.15)!important}.checkline{display:flex;align-items:flex-start;gap:9px;margin:4px 0 16px;font-size:12px;line-height:1.6;color:var(--muted)}.checkline input{min-height:auto!important;width:17px;height:17px;margin:2px 0 0!important;accent-color:var(--green)}.form-status{display:none;margin-top:12px;padding:10px;border-radius:7px;background:var(--mist);font-size:13px;color:var(--green-deep)}.form-status.show{display:block}
.site-footer{background:var(--ink);color:#d4ddd5;padding:58px 0 28px}.footer-brand{color:var(--white);font-size:21px;font-weight:850;letter-spacing:-.05em}.footer-copy{max-width:300px;margin-top:13px;color:#aebdb2;font-size:13px}.footer-heading{font-size:13px;letter-spacing:.1em;color:var(--clay);font-weight:800;margin-bottom:13px}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:7px 0}.footer-links a{font-size:14px;color:#cbd7cf;transition:var(--ease)}.footer-links a:hover{color:var(--white);padding-left:3px}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;gap:16px;font-size:12px;color:#9daf9f}
.mobile-tabs{display:none}
@media(max-width:1023px){.desktop-nav{gap:0}.desktop-nav a{padding:8px 8px;font-size:13px}.dashboard-copy{padding-right:0;margin-bottom:28px}.faq-copy{padding-right:0;margin-bottom:28px}.matrix-grid{grid-template-columns:1fr 1fr}.matrix-card:nth-child(1){grid-row:auto;grid-column:span 2;min-height:220px}.matrix-card:nth-child(4){grid-column:auto}.form-copy{padding-right:0;margin-bottom:28px}}
@media(max-width:639px){body{padding-bottom:82px}.grid-container{padding-left:18px;padding-right:18px}.site-header{height:62px}.brand{font-size:0}.brand-mark{margin-right:0}.mobile-title{display:block;margin-left:auto;margin-right:10px}.desktop-nav{display:none}.section{padding:62px 0}.dashboard{padding:37px 0 48px}.dashboard h1{font-size:39px}.lead{font-size:15px}.dashboard-actions .btn{width:100%}.score-panel{padding:15px}.metric{min-height:116px;padding:14px}.metric b{font-size:31px}.matrix-grid{grid-template-columns:1fr}.matrix-card:nth-child(1){grid-column:auto;min-height:205px}.matrix-card:nth-child(4){grid-column:auto}.matrix-card{min-height:160px}.compare-wrap{grid-template-columns:1fr;gap:13px}.compare-axis{height:42px}.compare-axis:before{left:0;right:0;top:50%;bottom:auto;width:auto;height:1px}.compare-card{padding:23px}.news-block{padding:57px 0}.news-item{grid-template-columns:1fr auto;gap:8px}.news-date{grid-column:1/-1}.news-item h3{font-size:16px}.news-item p{font-size:13px}.faq .grid-x>.cell{width:100%}.cta-section{padding:62px 0}.form-shell{padding:25px 18px}.contact-form{padding:18px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:6px}.mobile-tabs{position:fixed;display:flex;align-items:center;justify-content:space-around;gap:3px;left:0;right:0;bottom:0;height:72px;padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:rgba(255,253,248,.96);border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(20,35,30,.08);backdrop-filter:blur(12px);z-index:70}.mobile-tabs a{min-width:68px;padding:6px 7px;border-radius:10px;text-align:center;color:var(--muted);font-size:10px;font-weight:700;line-height:1.2}.mobile-tabs svg{width:18px;height:18px;display:block;margin:0 auto 3px;stroke:currentColor;fill:none;stroke-width:1.8}.mobile-tabs a.active{background:var(--mist);color:var(--green-deep)}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category2 */
:root{
 --ink:#14231e;--ink-2:#20352c;--green:#426b55;--green-deep:#294b3b;
 --mist:#e4ece0;--sand:#f5f1e8;--paper:#fffdf8;--clay:#ad7257;
 --muted:#67736c;--line:#ced8ce;--white:#fffdf8;--danger:#a55e4f;
 --radius:16px;--radius-sm:10px;--shadow:0 14px 36px rgba(20,35,30,.08);
 --shadow-hover:0 20px 42px rgba(20,35,30,.15);--container:1240px;--ease:220ms ease-out
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--sand);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75;letter-spacing:.01em;padding-bottom:0}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.24;background-image:linear-gradient(rgba(66,107,85,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(66,107,85,.035) 1px,transparent 1px);background-size:28px 28px;z-index:-1}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p{margin-top:0}
.grid-container{max-width:var(--container);padding-left:24px;padding-right:24px}
.site-header{height:78px;position:sticky;top:0;z-index:50;background:rgba(245,241,232,.91);border-bottom:1px solid rgba(20,35,30,.1);backdrop-filter:blur(14px);transition:var(--ease)}
.site-header.is-scrolled{height:68px;box-shadow:0 7px 20px rgba(20,35,30,.07)}
.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-size:17px;font-weight:800;letter-spacing:-.06em;white-space:nowrap;color:var(--ink)}
.brand-mark{display:inline-flex;vertical-align:middle;width:22px;height:22px;border:2px solid var(--green);border-radius:50%;margin-right:8px;position:relative}
.brand-mark:after{content:"";width:7px;height:7px;border-radius:50%;background:var(--clay);position:absolute;right:-3px;top:-3px}
.desktop-nav{display:flex;align-items:center;gap:7px}
.desktop-nav a{padding:8px 13px;border-radius:8px;font-size:14px;font-weight:650;color:var(--muted);transition:var(--ease)}
.desktop-nav a:hover,.desktop-nav a.active{background:var(--mist);color:var(--green-deep)}
.desktop-nav .nav-cta{background:var(--green);color:var(--white);padding:9px 16px}
.desktop-nav .nav-cta:hover{background:var(--green-deep);transform:translateY(-1px)}
.mobile-title{display:none;color:var(--muted);font-size:13px}
.section{padding:100px 0}
.eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.14em}
.eyebrow:before{content:"";width:28px;height:1px;background:var(--clay)}
h1{font-size:clamp(38px,5.3vw,72px);line-height:1.12;letter-spacing:-.075em;margin-bottom:22px;font-weight:850}
h2{font-size:clamp(28px,3.3vw,44px);line-height:1.2;letter-spacing:-.055em;margin-bottom:18px}
h3{font-size:20px;line-height:1.4;letter-spacing:-.025em}
.lead{font-size:17px;line-height:1.9;color:var(--muted);max-width:670px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:11px 18px;border:1px solid transparent;border-radius:9px;font-weight:750;font-size:15px;transition:transform var(--ease),background var(--ease),border var(--ease),box-shadow var(--ease)}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn:focus-visible,.desktop-nav a:focus-visible,.brand:focus-visible,.footer-links a:focus-visible,.tab-link:focus-visible,.accordion-title:focus-visible{outline:3px solid rgba(173,114,87,.55);outline-offset:3px}
.btn-primary{background:var(--green);color:var(--white)}
.btn-primary:hover{background:var(--green-deep)}
.btn-quiet{border-color:var(--line);background:var(--paper);color:var(--ink)}
.btn-quiet:hover{border-color:var(--green);background:var(--mist)}
.badges{display:flex;flex-wrap:wrap;gap:8px}
.badge{padding:5px 10px;border:1px solid #c9d7c8;border-radius:99px;background:rgba(228,236,224,.8);font-size:12px;font-weight:700;color:var(--green-deep)}
.page-intro{padding:62px 0 54px;border-bottom:1px solid var(--line);background:rgba(255,253,248,.44)}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:28px}
.breadcrumb a{color:var(--green);font-weight:700}
.intro-row{display:flex;align-items:end;justify-content:space-between;gap:40px}
.intro-meta{min-width:220px;padding:18px 0 4px;border-top:1px solid var(--ink);font-size:13px;color:var(--muted)}
.intro-meta strong{display:block;color:var(--ink);font-size:25px;letter-spacing:-.04em}
.reading-hero{padding:70px 0 82px;background:var(--ink);color:var(--white);position:relative;overflow:hidden}
.reading-hero:before,.reading-hero:after{content:"";position:absolute;border:1px solid rgba(228,236,224,.15);border-radius:50%;pointer-events:none}
.reading-hero:before{width:600px;height:600px;right:-180px;top:-260px}
.reading-hero:after{width:360px;height:360px;right:20px;bottom:-250px}
.hero-copy{position:relative;z-index:1;padding-right:30px}
.hero-copy .eyebrow{color:#b9d0bd}
.hero-copy .lead{color:#c9d4cc}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-actions .btn-quiet{background:transparent;border-color:rgba(255,255,255,.3);color:var(--white)}
.hero-actions .btn-quiet:hover{background:rgba(255,255,255,.1);border-color:var(--white)}
.score-panel{position:relative;z-index:1;padding:25px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.045);border-radius:var(--radius);min-height:270px}
.score-top{display:flex;justify-content:space-between;color:#b9d0bd;font-size:12px;letter-spacing:.12em}
.score-number{font-size:82px;line-height:1;font-weight:850;letter-spacing:-.1em;margin:38px 0 15px;color:var(--white)}
.score-panel p{color:#bdcbc2;font-size:14px;margin-bottom:0}
.tick-line{height:1px;background:rgba(255,255,255,.24);position:relative;margin:24px 0}
.tick-line:before,.tick-line:after{content:"";position:absolute;top:-4px;width:1px;height:9px;background:var(--clay)}
.tick-line:before{left:28%}.tick-line:after{right:18%}
.content-section{padding:96px 0}
.section-label{font-size:12px;color:var(--clay);font-weight:800;letter-spacing:.15em;margin-bottom:18px}
.chapter{padding:36px 0;border-top:1px solid var(--line)}
.chapter:first-child{border-top:0;padding-top:0}
.chapter-grid{display:grid;grid-template-columns:92px 1fr;gap:24px}
.chapter-no{font-size:58px;line-height:1;font-weight:850;color:var(--green);letter-spacing:-.08em}
.chapter h2{font-size:31px;margin-bottom:15px}
.chapter p{color:var(--muted);max-width:700px}
.rule-box{margin-top:22px;padding:19px 22px;background:var(--mist);border-left:3px solid var(--green);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--ink-2);font-size:14px}
.horizontal-card{display:grid;grid-template-columns:180px 1fr;gap:24px;align-items:stretch;margin:25px 0;padding:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper);transition:var(--ease)}
.horizontal-card:hover{border-color:var(--green);box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.abstract-cover{min-height:150px;background:var(--green-deep);position:relative;overflow:hidden}
.abstract-cover:before{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(255,255,255,.25);border-radius:50%;left:-60px;top:15px}
.abstract-cover:after{content:"91";position:absolute;right:18px;bottom:8px;color:rgba(255,255,255,.14);font-size:70px;font-weight:900}
.horizontal-card-body{padding:22px 22px 22px 0}
.horizontal-card-body h3{margin-bottom:8px}
.horizontal-card-body p{font-size:14px;color:var(--muted);margin-bottom:12px}
.side-panel{position:sticky;top:108px}
.side-card{padding:22px;border:1px solid var(--line);background:var(--paper);border-radius:var(--radius);margin-bottom:16px}
.side-card.dark{background:var(--ink);color:var(--white);border-color:var(--ink)}
.side-card h3{font-size:17px;margin-bottom:15px}
.side-links{list-style:none;margin:0;padding:0}
.side-links li{border-top:1px solid var(--line)}
.side-links a{display:flex;justify-content:space-between;gap:10px;padding:11px 0;font-size:14px;color:var(--muted);transition:var(--ease)}
.side-links a:hover{color:var(--green);padding-left:5px}
.side-card.dark .side-links li{border-color:rgba(255,255,255,.15)}
.side-card.dark .side-links a{color:#c6d1c9}
.mini-data{display:flex;justify-content:space-between;padding:11px 0;border-top:1px solid rgba(255,255,255,.16);font-size:13px;color:#c6d1c9}
.mini-data strong{color:var(--white);font-size:20px}
.tag-row{display:flex;flex-wrap:wrap;gap:7px}
.tag{font-size:12px;padding:5px 9px;border-radius:7px;background:var(--mist);color:var(--green-deep)}
.faq-section{padding:92px 0;background:var(--paper)}
.faq-copy p{color:var(--muted)}
.accordion-item{margin-bottom:10px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--sand)}
.accordion-title{border:0!important;background:transparent;padding:19px 50px 19px 19px;color:var(--ink)!important;font-size:16px;font-weight:750;line-height:1.5}
.accordion-title:before{color:var(--green);font-size:22px;right:19px}
.accordion-item.is-active{border-color:#aebfae}
.accordion-item.is-active .accordion-title{background:var(--mist)}
.cta-section{padding:92px 0}
.cta-panel{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:42px 46px;border-radius:20px;background:var(--ink);color:var(--white);position:relative;overflow:hidden}
.cta-panel:after{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(255,255,255,.12);border-radius:50%;right:-160px;bottom:-245px}
.cta-panel > div{position:relative;z-index:1}
.cta-panel p{color:#c5d1c8;max-width:620px;margin-bottom:0}
.cta-panel .btn{position:relative;z-index:1;white-space:nowrap}
.site-footer{background:var(--ink);color:var(--white);padding:66px 0 24px}
.footer-brand{font-size:19px;font-weight:850;letter-spacing:-.06em;margin-bottom:13px}
.footer-copy{color:#bac8be;font-size:13px;line-height:1.8}
.footer-heading{font-size:13px;font-weight:800;margin-bottom:13px;color:#e0e9e1}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:8px}
.footer-links a{color:#aebdb2;font-size:13px;transition:var(--ease)}
.footer-links a:hover{color:var(--white);padding-left:3px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:18px;color:#8fa094;font-size:12px}
.mobile-tabs{display:none}
@media(max-width:1023px){
 .section,.content-section{padding:76px 0}.intro-row{align-items:start;flex-direction:column;gap:20px}
 .side-panel{position:static;margin-top:35px}.cta-panel{padding:34px}
}
@media(max-width:639px){
 body{font-size:15px;padding-bottom:76px}.grid-container{padding-left:18px;padding-right:18px}
 .site-header{height:64px}.site-header.is-scrolled{height:60px}.brand{font-size:14px;letter-spacing:-.07em}.brand-mark{width:19px;height:19px;margin-right:5px}
 .desktop-nav{display:none}.mobile-title{display:block;margin-left:auto;margin-right:3px}
 .section,.content-section{padding:58px 0}.page-intro{padding:38px 0 34px}
 h1{font-size:39px;line-height:1.16}.lead{font-size:15px}
 .reading-hero{padding:52px 0 58px}.hero-copy{padding-right:0}.score-panel{margin-top:34px}.score-number{font-size:68px}
 .hero-actions .btn{width:100%}.chapter-grid{grid-template-columns:54px 1fr;gap:12px}.chapter-no{font-size:40px}.chapter h2{font-size:26px}
 .horizontal-card{grid-template-columns:1fr;gap:0}.abstract-cover{min-height:105px}.horizontal-card-body{padding:19px}
 .faq-section{padding:58px 0}.faq-copy{padding-right:0;margin-bottom:28px}.cta-section{padding:58px 0}
 .cta-panel{display:block;padding:29px 23px}.cta-panel .btn{margin-top:23px;width:100%}
 .site-footer{padding:48px 0 25px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}
 .mobile-tabs{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);bottom:0;left:0;right:0;height:68px;padding-bottom:env(safe-area-inset-bottom);background:rgba(255,253,248,.96);border-top:1px solid var(--line);z-index:60;box-shadow:0 -8px 22px rgba(20,35,30,.08)}
 .tab-link{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--muted);font-size:11px;font-weight:700}
 .tab-link svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7}
 .tab-link.active{color:var(--green-deep);background:var(--mist);margin:7px 5px;border-radius:10px}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}

/* roulang page: category1 */
:root{
 --ink:#14231e;--ink-2:#20352c;--green:#426b55;--green-deep:#294b3b;
 --mist:#e4ece0;--sand:#f5f1e8;--paper:#fffdf8;--clay:#ad7257;
 --muted:#67736c;--line:#ced8ce;--white:#fffdf8;--danger:#a55e4f;
 --radius:16px;--radius-sm:10px;--shadow:0 14px 36px rgba(20,35,30,.08);
 --shadow-hover:0 20px 42px rgba(20,35,30,.15);--container:1240px;--ease:220ms ease-out;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--sand);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75;letter-spacing:.01em}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.24;background-image:linear-gradient(rgba(66,107,85,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(66,107,85,.035) 1px,transparent 1px);background-size:28px 28px;z-index:-1}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.grid-container{max-width:var(--container);padding-left:24px;padding-right:24px}
.site-header{height:78px;position:sticky;top:0;z-index:50;background:rgba(245,241,232,.92);border-bottom:1px solid rgba(20,35,30,.1);backdrop-filter:blur(14px);transition:var(--ease)}
.site-header.is-scrolled{height:68px;box-shadow:0 7px 20px rgba(20,35,30,.07)}
.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-size:17px;font-weight:800;letter-spacing:-.06em;white-space:nowrap;color:var(--ink)}
.brand-mark{display:inline-flex;vertical-align:middle;width:22px;height:22px;border:2px solid var(--green);border-radius:50%;margin-right:8px;position:relative}
.brand-mark:after{content:"";width:7px;height:7px;border-radius:50%;background:var(--clay);position:absolute;right:-3px;top:-3px}
.desktop-nav{display:flex;align-items:center;gap:7px}
.desktop-nav a{padding:8px 13px;border-radius:8px;font-size:14px;font-weight:650;color:var(--muted);transition:var(--ease)}
.desktop-nav a:hover,.desktop-nav a.active{background:var(--mist);color:var(--green-deep)}
.nav-cta{background:var(--green)!important;color:var(--white)!important;padding:9px 16px!important}
.nav-cta:hover{background:var(--green-deep)!important;transform:translateY(-1px)}
.mobile-title{display:none;color:var(--muted);font-size:13px}
.page-head{padding:76px 0 56px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-head:after{content:"01";position:absolute;right:4%;bottom:-28px;font-size:180px;line-height:1;font-weight:900;color:rgba(66,107,85,.06);letter-spacing:-.12em}
.crumbs{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:24px}
.crumbs a:hover{color:var(--green)}
.crumbs span{color:var(--clay)}
.page-head h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-.075em;max-width:760px;margin:0 0 20px;font-weight:850}
.page-head h1 em{font-style:normal;color:var(--green)}
.page-lead{max-width:680px;color:var(--muted);font-size:17px;line-height:1.9;margin:0}
.head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:27px}
.badge{padding:5px 10px;border:1px solid #c9d7c8;border-radius:99px;background:rgba(228,236,224,.8);font-size:12px;font-weight:700;color:var(--green-deep)}
.status{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:13px}
.status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--clay);box-shadow:0 0 0 4px rgba(173,114,87,.12)}
.section{padding:92px 0}
.index-layout{display:grid;grid-template-columns:3fr 9fr;gap:54px}
.section-label{color:var(--green);font-size:12px;font-weight:800;letter-spacing:.15em;display:flex;align-items:center;gap:10px;margin-bottom:16px}
.section-label:before{content:"";height:1px;width:28px;background:var(--clay)}
.index-aside{position:sticky;top:105px;height:max-content}
.index-aside h2{font-size:31px;line-height:1.25;letter-spacing:-.06em;margin:0 0 14px}
.index-aside p{color:var(--muted);font-size:14px;margin:0 0 25px}
.filter-box{border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,253,248,.6);padding:20px}
.filter-title{font-weight:800;font-size:14px;margin-bottom:13px}
.filter-list{list-style:none;margin:0;padding:0}
.filter-list li{border-top:1px solid var(--line)}
.filter-list a{display:flex;justify-content:space-between;padding:11px 0;font-size:14px;color:var(--muted);transition:var(--ease)}
.filter-list a:hover,.filter-list a.selected{color:var(--green-deep);padding-left:5px}
.filter-list a.selected{font-weight:800}
.filter-list small{font-size:11px;color:var(--clay)}
.index-note{margin-top:18px;padding:15px 16px;border-left:2px solid var(--clay);background:var(--mist);font-size:13px;color:var(--ink-2)}
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}
.list-head h2{font-size:28px;line-height:1.3;letter-spacing:-.055em;margin:0}
.list-head p{font-size:13px;color:var(--muted);margin:0;text-align:right}
.editor-list{border-top:1px solid var(--ink)}
.editor-item{display:grid;grid-template-columns:58px 1fr 28px;gap:17px;align-items:start;padding:24px 14px 24px 0;border-bottom:1px solid var(--line);transition:var(--ease);position:relative}
.editor-item:hover{background:rgba(228,236,224,.48);padding-left:14px;padding-right:0}
.item-number{font-size:13px;color:var(--clay);font-weight:800;letter-spacing:.08em;padding-top:4px}
.item-tags{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:7px}
.item-tags span{font-size:11px;color:var(--green);font-weight:750}
.editor-item h3{font-size:19px;letter-spacing:-.035em;line-height:1.4;margin:0 0 5px}
.editor-item p{color:var(--muted);font-size:14px;line-height:1.7;margin:0;max-width:680px}
.item-meta{display:flex;flex-wrap:wrap;gap:16px;color:#7d8780;font-size:12px;margin-top:11px}
.item-arrow{color:var(--green);font-size:24px;transition:var(--ease);padding-top:21px}
.editor-item:hover .item-arrow{transform:translate(4px,-3px)}
.feature-strip{display:grid;grid-template-columns:1.05fr 1.95fr;gap:0;margin:34px 0;border:1px solid var(--ink);border-radius:var(--radius);overflow:hidden;background:var(--ink);color:var(--white)}
.feature-visual{min-height:190px;background:var(--green-deep);position:relative;overflow:hidden;padding:24px}
.feature-visual:before,.feature-visual:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.18);border-radius:50%}
.feature-visual:before{width:270px;height:270px;left:-70px;top:-30px}
.feature-visual:after{width:180px;height:180px;right:-50px;bottom:-70px}
.visual-index{position:relative;z-index:1;font-size:11px;letter-spacing:.16em;color:#cbd9ce}
.visual-number{position:relative;z-index:1;font-size:86px;line-height:1;font-weight:850;margin-top:29px;color:#eff5ed}
.feature-copy{padding:28px 31px}
.feature-copy .badge{background:rgba(228,236,224,.12);border-color:rgba(228,236,224,.3);color:#d7e4d9}
.feature-copy h3{font-size:24px;line-height:1.35;letter-spacing:-.05em;margin:14px 0 8px}
.feature-copy p{color:#c5d1c8;font-size:14px;margin:0;max-width:560px}
.route{margin-top:52px;padding-top:22px;border-top:1px solid var(--line)}
.route-title{font-size:13px;color:var(--muted);font-weight:750;margin-bottom:18px}
.route-line{display:flex;align-items:center;gap:0}
.route-step{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;white-space:nowrap}
.route-step strong{display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;border-radius:50%;background:var(--mist);color:var(--green-deep);font-size:12px}
.route-step.current{color:var(--green-deep);font-weight:800}
.route-step.current strong{background:var(--green);color:var(--white)}
.route-line i{height:1px;background:var(--line);flex:1;margin:0 13px}
.rules-section{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rules-layout{display:grid;grid-template-columns:4fr 8fr;gap:60px}
.rules-layout h2{font-size:32px;line-height:1.25;letter-spacing:-.06em;margin:0 0 14px}
.rules-layout>div>p{color:var(--muted);font-size:15px}
.accordion{margin:0;background:transparent}
.accordion-item{margin-bottom:10px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--sand)}
.accordion-title{border:0!important;background:transparent;padding:17px 50px 17px 19px;color:var(--ink)!important;font-size:15px;font-weight:750;line-height:1.5}
.accordion-title:before{color:var(--green);font-size:22px;right:19px}
.accordion-item.is-active{border-color:#aebfae}
.accordion-item.is-active .accordion-title{background:var(--mist)}
.accordion-content{border:0;background:var(--mist);padding:0 19px 18px;color:var(--muted);font-size:14px}
.next-section{padding:88px 0}
.next-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:33px 38px;border-radius:var(--radius);background:var(--ink);color:var(--white);position:relative;overflow:hidden}
.next-box:after{content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(255,255,255,.1);border-radius:50%;right:-130px;top:-110px}
.next-box h2{font-size:28px;line-height:1.3;letter-spacing:-.05em;margin:0 0 7px;position:relative;z-index:1}
.next-box p{color:#c5d1c8;font-size:14px;margin:0;position:relative;z-index:1}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:11px 18px;border:1px solid transparent;border-radius:9px;font-weight:750;font-size:15px;transition:transform var(--ease),background var(--ease),border var(--ease),box-shadow var(--ease);position:relative;z-index:2}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-primary{background:var(--green);color:var(--white)}
.btn-primary:hover{background:#547e65}
.btn-quiet{border-color:var(--line);background:var(--paper);color:var(--ink)}
.btn-quiet:hover{border-color:var(--green);background:var(--mist)}
.site-footer{background:var(--ink);color:var(--white);padding:68px 0 25px}
.footer-brand{font-size:19px;font-weight:800;letter-spacing:-.06em;margin-bottom:13px}
.footer-copy{font-size:13px;line-height:1.8;color:#becbc1;max-width:270px}
.footer-heading{font-size:13px;font-weight:800;color:#edf4ed;margin-bottom:13px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:7px}
.footer-links a{font-size:13px;color:#aebcb1;transition:var(--ease)}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.14);margin-top:44px;padding-top:18px;color:#91a196;font-size:12px}
.mobile-tabs{display:none}
:focus-visible{outline:3px solid rgba(173,114,87,.75);outline-offset:3px}
@media(max-width:1023px){
 .section{padding:72px 0}.index-layout{gap:30px}.rules-layout{gap:34px}
 .page-head{padding:60px 0 45px}.page-head h1{font-size:50px}
}
@media(max-width:639px){
 body{font-size:15px;padding-bottom:76px}
 .grid-container{padding-left:18px;padding-right:18px}
 .site-header{height:64px}.site-header.is-scrolled{height:60px}
 .brand{font-size:14px;letter-spacing:-.07em}.brand-mark{width:19px;height:19px;margin-right:5px}
 .desktop-nav{display:none}.mobile-title{display:block;margin-left:auto;margin-right:3px}
 .page-head{padding:42px 0 36px}.page-head:after{font-size:110px;bottom:-10px}
 .crumbs{margin-bottom:18px;font-size:12px}.page-head h1{font-size:38px;line-height:1.18;letter-spacing:-.07em;margin-bottom:15px}
 .page-lead{font-size:15px;line-height:1.8}.head-meta{margin-top:20px}
 .section{padding:56px 0}.index-layout,.rules-layout{display:block}
 .index-aside{position:static;margin-bottom:38px}.index-aside h2,.rules-layout h2{font-size:27px}
 .filter-box{padding:16px}.filter-list{display:grid;grid-template-columns:1fr 1fr;column-gap:18px}
 .list-head{display:block;margin-bottom:17px}.list-head h2{font-size:24px}.list-head p{text-align:left;margin-top:6px}
 .editor-item{grid-template-columns:39px 1fr 20px;gap:10px;padding:20px 0}
 .editor-item:hover{padding-left:0}.editor-item h3{font-size:17px}.editor-item p{font-size:13px}
 .item-meta{gap:9px;font-size:11px}.item-arrow{font-size:20px;padding-top:20px}
 .feature-strip{display:block;margin:27px 0}.feature-visual{min-height:145px}.visual-number{font-size:63px;margin-top:15px}.feature-copy{padding:22px}
 .feature-copy h3{font-size:21px}.route{margin-top:38px;overflow-x:auto;padding-bottom:4px}
 .route-line{min-width:460px}.rules-layout>div:first-child{margin-bottom:27px}.accordion-title{font-size:14px}
 .next-section{padding:56px 0}.next-box{display:block;padding:25px 22px}.next-box h2{font-size:24px}.next-box .btn{margin-top:20px;width:100%}
 .site-footer{padding:48px 0 22px}.site-footer .cell{margin-bottom:28px}.footer-bottom{display:block;margin-top:16px}.footer-bottom span{display:block;margin-top:7px}
 .mobile-tabs{position:fixed;display:flex;left:0;right:0;bottom:0;height:70px;padding:7px 10px calc(7px + env(safe-area-inset-bottom));z-index:100;background:rgba(255,253,248,.96);border-top:1px solid var(--line);box-shadow:0 -8px 22px rgba(20,35,30,.1);justify-content:space-around}
 .mobile-tabs a{display:flex;min-width:62px;flex:1;max-width:100px;flex-direction:column;align-items:center;justify-content:center;gap:1px;color:var(--muted);font-size:11px;border-radius:10px}
 .mobile-tabs a.active{background:var(--mist);color:var(--green-deep);font-weight:800}
 .mobile-tabs svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.8}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}