/* roulang page: index */
:root{
  --ink:#15201F;--green:#0B5D57;--green-dark:#084741;--paper:#F5F2E9;--white:#FFFCF5;
  --orange:#D47A28;--red:#B84C40;--text:#1D2927;--muted:#66706D;--line:#D8D5CB;
  --soft:#EAE7DD;--radius:12px;--radius-sm:8px;--shadow:0 12px 28px rgba(21,32,31,.09);
  --container:1200px;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.85}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}.container{width:min(var(--container),calc(100% - 48px));margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:18px;top:14px;z-index:99;background:var(--orange);color:#fff;padding:8px 14px;border-radius:6px}.site-header{height:76px;background:var(--ink);position:sticky;top:0;z-index:30;border-bottom:1px solid rgba(255,255,255,.12)}.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:flex;align-items:center;gap:10px;color:var(--white);font-weight:800;letter-spacing:.02em;white-space:nowrap}.logo-mark{width:31px;height:31px;border:1px solid rgba(255,255,255,.7);display:grid;place-items:center;color:var(--orange);font-family:var(--mono);font-size:15px}.nav-links{display:flex;align-items:center;gap:29px;height:100%}.nav-links a{height:100%;display:flex;align-items:center;color:#D9E2DE;font-size:14px;position:relative}.nav-links a:hover{color:#fff}.nav-links a.active:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:3px;background:var(--orange)}.nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:var(--radius-sm);border:1px solid transparent;font-weight:700;transition:.2s ease}.nav-cta{background:var(--orange);color:#fff;font-size:14px}.nav-cta:hover,.button-primary:hover{background:#b96117;transform:translateY(-2px);box-shadow:0 4px 0 #713d13}.menu-toggle{display:none;background:transparent;border:0;color:#fff;font-size:24px}.button-primary{background:var(--green);color:#fff}.button-secondary{border-color:var(--green);color:var(--green);background:transparent}.button-secondary:hover{background:#e1ece8;transform:translateY(-2px)}.button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(212,122,40,.55);outline-offset:3px}
.hero-board{background:var(--ink);color:var(--white);position:relative;overflow:hidden;border-bottom:5px solid var(--orange)}.hero-board:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0,transparent 59px,rgba(255,255,255,.035) 60px),linear-gradient(135deg,transparent 72%,rgba(212,122,40,.13) 72%);pointer-events:none}.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:60px;padding:66px 0 54px}.eyebrow,.section-kicker{display:inline-flex;gap:8px;align-items:center;color:#FFC58D;font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase}.eyebrow:before,.section-kicker:before{content:"";width:24px;height:1px;background:currentColor}.hero-copy h1{font-size:52px;line-height:1.18;letter-spacing:-.04em;margin:14px 0 18px;max-width:680px}.hero-copy p{max-width:655px;color:#D0DCD7;margin:0 0 25px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.hero-actions .button-secondary{border-color:#93AEA7;color:#EDF3EF}.hero-actions .button-secondary:hover{color:var(--green);background:var(--white)}.status-track{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:30px;font-size:12px;color:#B7C8C1}.track-label{color:#F6C393;font-family:var(--mono)}.track-item{border:1px solid rgba(255,255,255,.16);padding:4px 8px;background:rgba(255,255,255,.04)}.visual-panel{border:1px solid rgba(255,255,255,.2);padding:16px;background:rgba(7,33,31,.54);align-self:center;box-shadow:14px 14px 0 rgba(0,0,0,.13)}.panel-top{display:flex;justify-content:space-between;color:#B7C8C1;font-size:12px;font-family:var(--mono);padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.14)}.signal{color:#FFB76C}.subtitle-screen{margin:16px 0;border-left:3px solid var(--orange);padding:13px;background:#0E2926;font-family:var(--mono);line-height:1.65;color:#F2EEE5}.corrupt{color:#F19A74}.timeline{height:32px;position:relative;margin:15px 0 8px;background:repeating-linear-gradient(90deg,#47716A 0,#47716A 1px,transparent 1px,transparent 13%)}.timeline:after{content:"";position:absolute;left:22%;top:8px;width:47%;height:8px;background:var(--orange)}.timeline:before{content:"";position:absolute;left:68%;top:2px;width:2px;height:25px;background:#fff}.check-lines{display:grid;grid-template-columns:1fr 1fr;gap:8px}.check-line{font-size:12px;border-top:1px solid rgba(255,255,255,.15);padding-top:7px;color:#C4D0CB}.check-line b{color:#F8C898;font-family:var(--mono);margin-right:5px}.metrics{position:relative;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.16)}.metric{padding:18px 20px;border-right:1px solid rgba(255,255,255,.13)}.metric:last-child{border:0}.metric strong{display:block;color:#fff;font:700 25px/1 var(--mono);margin-bottom:7px}.metric span{font-size:13px;color:#BDCAC5}
section{padding:88px 0}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:35px}.section-head h2{font-size:35px;line-height:1.25;margin:9px 0 0;letter-spacing:-.03em}.section-head p{max-width:460px;color:var(--muted);margin:0}.section-kicker{color:var(--orange)}
.matrix{background:var(--white)}.matrix-grid{display:grid;grid-template-columns:250px 1.3fr 1fr;grid-template-rows:1fr 1fr;gap:16px}.matrix-intro{grid-row:span 2;background:var(--green);color:#fff;padding:26px;display:flex;flex-direction:column;justify-content:space-between;min-height:425px}.matrix-intro h3{font-size:27px;line-height:1.3;margin:12px 0}.matrix-intro p{color:#C5D9D3;font-size:14px;margin:0}.matrix-num{font:700 52px/1 var(--mono);color:#E5A15D}.matrix-card{border:1px solid var(--line);background:var(--paper);padding:22px;position:relative;transition:.2s}.matrix-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--green)}.matrix-card:hover{border-color:var(--green);transform:translateY(-3px);box-shadow:var(--shadow)}.matrix-card.large{grid-row:span 2;background:#F0EEE5}.card-no{font:700 12px var(--mono);color:var(--orange)}.matrix-card h3{font-size:21px;line-height:1.35;margin:10px 0}.matrix-card p{font-size:14px;color:var(--muted);margin:0 0 15px}.tags{display:flex;gap:6px;flex-wrap:wrap}.tag{font-size:12px;padding:3px 8px;border:1px solid #BFC8C2;color:var(--green);background:#FAF8F1}.card-link{display:inline-block;margin-top:16px;font-size:14px;font-weight:700;color:var(--green)}.card-link:hover{color:var(--orange)}.steps{margin-top:15px;border-top:1px solid var(--line)}.step{display:flex;gap:12px;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px}.step i{font-style:normal;font-family:var(--mono);color:var(--orange);font-weight:700}
.compare{background:var(--ink);color:var(--white)}.compare .section-head p{color:#BBCAC4}.compare-grid{display:grid;grid-template-columns:1fr 72px 1fr;gap:16px;align-items:stretch}.state-card{padding:28px;border:1px solid rgba(255,255,255,.2);position:relative}.state-card.bad{background:#202A28}.state-card.good{background:#0B4F49}.state-label{font:700 12px var(--mono);letter-spacing:.1em}.bad .state-label{color:#F49D90}.good .state-label{color:#A7D8BA}.state-card h3{font-size:25px;margin:10px 0 18px}.char-view{font:18px/1.8 var(--mono);padding:16px;background:rgba(0,0,0,.22);border-left:3px solid var(--red);margin-bottom:18px}.good .char-view{border-left-color:var(--orange)}.checks{list-style:none;padding:0;margin:0}.checks li{padding:7px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:14px;color:#D3DEDA}.checks li:before{content:"×";color:#E57E70;font-weight:bold;margin-right:9px}.good .checks li:before{content:"✓";color:#F7B96E}.divider{display:flex;align-items:center;justify-content:center;font:700 13px var(--mono);color:var(--orange);letter-spacing:.14em}.divider:before,.divider:after{content:"";height:1px;background:rgba(255,255,255,.25);flex:1}.divider span{writing-mode:vertical-rl;padding:12px 0}.notice{margin-top:17px;border:1px solid rgba(212,122,40,.7);padding:14px 18px;color:#DFE5E1;font-size:14px}.notice b{color:#FFC58D}.compare-cta{margin-top:28px;padding:20px 24px;background:var(--orange);display:flex;justify-content:space-between;align-items:center;gap:20px;color:#fff}.compare-cta p{margin:0;font-weight:700}.compare-cta .button{background:#fff;color:var(--green);white-space:nowrap}.compare-cta .button:hover{background:#FFF1DF}
.route{padding:58px 0;background:#DEDACD}.route-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:45px;align-items:center}.route h2{font-size:32px;line-height:1.3;margin:10px 0}.route p{color:var(--muted);margin:0}.route-list{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#BEBBAF;border:1px solid #BEBBAF}.route-item{background:var(--paper);padding:15px;font-size:13px}.route-item strong{display:block;color:var(--orange);font-family:var(--mono);font-size:17px;margin-bottom:5px}
.faq-section{background:var(--paper)}.faq-layout{display:grid;grid-template-columns:310px 1fr;gap:65px}.faq-side h2{font-size:34px;line-height:1.3;margin:10px 0}.faq-side p{color:var(--muted)}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:0 0 0 18px;transition:.2s}details[open]{background:#EEECE3;border-left:4px solid var(--green);padding-left:14px}summary{list-style:none;cursor:pointer;min-height:67px;display:flex;align-items:center;gap:13px;font-weight:700;position:relative;padding-right:35px}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:10px;font:25px/1 var(--mono);color:var(--green)}details[open] summary:after{content:"−";color:var(--orange)}.faq-no{font:700 12px var(--mono);color:var(--orange)}.answer{padding:0 34px 20px 29px;color:#4A5552;font-size:15px}.answer p{margin:0}.entry-matrix{background:var(--white);padding:62px 0}.entry-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}.entry-main{padding:28px;background:var(--green);color:white}.entry-main h2{font-size:30px;line-height:1.3;margin:10px 0}.entry-main p{color:#D2E0DB}.entry-buttons{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.entry-main .button-primary{background:var(--orange)}.entry-main .button-secondary{border-color:#ABC4BD;color:#fff}.entry-links{display:grid;grid-template-columns:1fr 1fr;gap:12px}.entry-link{border:1px solid var(--line);padding:19px;background:var(--paper);transition:.2s}.entry-link:hover{border-color:var(--green);transform:translateY(-2px)}.entry-link b{display:block;color:var(--green);font-size:17px;margin-bottom:4px}.entry-link span{font-size:13px;color:var(--muted)}
.form-zone{background:var(--ink);color:#fff;padding:86px 0}.form-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:60px;align-items:start}.form-copy h2{font-size:37px;line-height:1.27;margin:12px 0}.form-copy p{color:#C3D0CB}.form-flow{margin-top:28px}.flow-item{display:flex;gap:15px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.16)}.flow-item b{font-family:var(--mono);color:#FFC58D}.flow-item span{font-size:14px;color:#D4DEDA}.form-card{background:var(--white);color:var(--text);padding:28px;border-top:4px solid var(--orange);box-shadow:14px 14px 0 rgba(0,0,0,.18)}.form-card h3{font-size:23px;margin:0 0 18px}.form-grid-fields{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;font-weight:700}.required{color:var(--red)}input,select,textarea{width:100%;border:1px solid #C8C7BE;background:#FFFEF9;border-radius:6px;min-height:43px;padding:9px 11px;color:var(--text)}textarea{min-height:92px;resize:vertical}.check-agree{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--muted);margin:15px 0}.check-agree input{width:16px;min-height:16px;margin-top:4px;accent-color:var(--green)}.submit{width:100%;border:0}.form-note{font-size:12px;color:#6A7470;margin:11px 0 0}.form-message{display:none;margin-top:12px;padding:9px 12px;font-size:13px;border-radius:6px}.form-message.success{background:#E1EFE8;color:#1D5B41}.form-message.error{background:#F7E3DF;color:#8E362D}
.site-footer{background:#0D1918;color:#D3DEDA;padding:50px 0 21px;border-top:1px solid rgba(255,255,255,.12)}.footer-grid{display:grid;grid-template-columns:1.1fr .75fr .9fr;gap:45px;padding-bottom:35px}.footer-brand p{font-size:14px;color:#AABBB5;max-width:360px;margin:14px 0}.footer-title{color:#F7F2E8;font-size:14px;margin:3px 0 13px}.footer-links{display:grid;gap:8px}.footer-links a{font-size:14px;color:#B8C8C1}.footer-links a:hover{color:#FFC58D}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:18px;display:flex;justify-content:space-between;gap:18px;font-size:12px;color:#91A39C}
@media(max-width:992px){.nav-links{gap:16px}.hero-grid,.form-grid{gap:35px}.matrix-grid{grid-template-columns:210px 1fr 1fr}.faq-layout{gap:35px}.compare-grid{grid-template-columns:1fr 42px 1fr}}
@media(max-width:768px){.container{width:min(100% - 32px,var(--container))}.site-header{height:66px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:66px;right:0;width:min(320px,100vw);height:auto;padding:18px;background:var(--ink);border-left:1px solid rgba(255,255,255,.16);box-shadow:-12px 16px 25px rgba(0,0,0,.25);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{height:45px;border-bottom:1px solid rgba(255,255,255,.09)}.nav-links a.active:after{bottom:3px;width:42px}.nav-links .nav-cta{margin-top:8px}.hero-grid{grid-template-columns:1fr;padding:45px 0 37px;gap:28px}.hero-copy h1{font-size:35px}.metrics{grid-template-columns:1fr 1fr}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.13)}section{padding:64px 0}.section-head{display:block}.section-head h2{font-size:30px}.section-head p{margin-top:14px}.matrix-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto}.matrix-intro{grid-column:1/-1;grid-row:auto;min-height:220px}.matrix-card.large{grid-row:span 1}.compare-grid{grid-template-columns:1fr}.divider{height:35px}.divider span{writing-mode:horizontal-tb;padding:0 12px}.route-grid,.faq-layout,.entry-grid,.form-grid{grid-template-columns:1fr}.route-list{grid-template-columns:1fr 1fr}.faq-side h2{font-size:30px}.footer-grid{grid-template-columns:1fr 1fr}.form-grid-fields{grid-template-columns:1fr}.field.full{grid-column:auto}}
@media(max-width:520px){.logo{font-size:14px}.nav-cta{display:none}.hero-copy h1{font-size:31px}.hero-actions,.hero-actions .button{width:100%}.metrics{grid-template-columns:1fr}.metric,.metric:nth-child(2){border-right:0;border-bottom:1px solid rgba(255,255,255,.13)}.metric:last-child{border-bottom:0}.matrix-grid{grid-template-columns:1fr}.matrix-intro{grid-column:auto}.compare-cta{align-items:flex-start;flex-direction:column}.compare-cta .button{width:100%}.route-list{grid-template-columns:1fr}.entry-links{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}.form-card{padding:20px}.visual-panel{padding:13px}}

/* roulang page: category2 */
:root{
 --ink:#15201F;--green:#0B5D57;--green-dark:#084741;--paper:#F5F2E9;--white:#FFFCF5;
 --orange:#D47A28;--red:#B84C40;--text:#1D2927;--muted:#66706D;--line:#D8D5CB;
 --soft:#EAE7DD;--radius:12px;--radius-sm:8px;--shadow:0 12px 28px rgba(21,32,31,.09);
 --container:1200px;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.88}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{height:76px;background:var(--ink);position:sticky;top:0;z-index:30;border-bottom:1px solid rgba(255,255,255,.12)}
.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;color:var(--white);font-weight:800;letter-spacing:.02em;white-space:nowrap}
.logo-mark{width:31px;height:31px;border:1px solid rgba(255,255,255,.7);display:grid;place-items:center;color:var(--orange);font-family:var(--mono);font-size:15px}
.nav-links{display:flex;align-items:center;gap:29px;height:100%}
.nav-links a{height:100%;display:flex;align-items:center;color:#D9E2DE;font-size:14px;position:relative}
.nav-links a:hover{color:#fff}
.nav-links a.active:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:3px;background:var(--orange)}
.nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:var(--radius-sm);border:1px solid transparent;font-weight:700;transition:.2s ease}
.nav-cta{background:var(--orange);color:#fff;font-size:14px}
.nav-cta:hover,.button-primary:hover{background:#b96117;transform:translateY(-2px);box-shadow:0 4px 0 #713d13}
.menu-toggle{display:none;background:transparent;border:0;color:#fff;font-size:24px;padding:8px}
.button-primary{background:var(--green);color:#fff}
.button-primary:hover{background:var(--green-dark)}
.button-secondary{border-color:var(--green);color:var(--green);background:transparent}
.button-secondary:hover{background:#e1ece8;transform:translateY(-2px)}
.button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(212,122,40,.55);outline-offset:3px}
section{padding:82px 0}
.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font:12px var(--mono);letter-spacing:.12em}
.section-kicker:before{content:"";width:24px;height:1px;background:currentColor}
.section-head{margin-bottom:32px}
.section-head h2{font-size:35px;line-height:1.28;letter-spacing:-.03em;margin:8px 0 10px}
.section-head p{max-width:760px;color:var(--muted);margin:0}
.channel-banner{background:var(--ink);color:var(--white);min-height:310px;overflow:hidden;position:relative;border-bottom:5px solid var(--orange)}
.channel-banner:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 74px,rgba(255,255,255,.04) 75px 76px),linear-gradient(132deg,transparent 62%,rgba(212,122,40,.16) 62% 63%,transparent 63%)}
.banner-inner{position:relative;display:grid;grid-template-columns:1fr 410px;gap:55px;padding:55px 0 48px;align-items:center}
.breadcrumb{font-size:13px;color:#B7C7C1;margin-bottom:18px}
.breadcrumb a:hover{color:#FFC58D}
.channel-no{font:700 13px var(--mono);letter-spacing:.16em;color:#FFC58D}
.channel-banner h1{font-size:46px;line-height:1.18;letter-spacing:-.04em;margin:12px 0 16px}
.channel-banner p{margin:0;max-width:670px;color:#D0DCD7}
.banner-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:21px}
.badge{border:1px solid rgba(255,255,255,.28);font-size:12px;padding:4px 9px;color:#E8F0EB;background:rgba(255,255,255,.05)}
.timeline-art{border:1px solid rgba(255,255,255,.2);padding:20px;background:#102927;position:relative}
.timeline-art:after{content:"";position:absolute;right:-1px;top:19px;width:4px;height:48px;background:var(--orange)}
.art-label{color:#FFC58D;font:12px var(--mono);letter-spacing:.1em}
.art-screen{font:17px/1.8 var(--mono);margin:18px 0 14px;padding:12px;border-left:3px solid var(--orange);background:#0A1D1B;color:#F3EFE5}
.time-line{height:8px;background:#49615B;position:relative}
.time-line:before,.time-line:after{content:"";position:absolute;width:10px;height:10px;background:var(--orange);top:-1px}
.time-line:before{left:22%}.time-line:after{left:69%;background:#C7DDD4}
.time-scale{display:flex;justify-content:space-between;color:#A4BBB3;font:11px var(--mono);margin-top:8px}
.reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 255px;gap:58px;align-items:start}
.content-main{min-width:0}
.topic-aside{position:sticky;top:102px;border-top:4px solid var(--green);background:#ECE9DF;padding:20px;border:1px solid var(--line)}
.topic-aside h2{font-size:16px;margin:0 0 12px}
.topic-aside a{display:block;padding:10px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px;transition:.2s}
.topic-aside a:hover{color:var(--green);padding-left:5px}
.topic-aside .aside-cta{margin-top:15px;padding:10px 12px;background:var(--green);color:#fff;border-radius:var(--radius-sm);font-size:13px;text-align:center}
.format-rail{display:flex;gap:12px;overflow-x:auto;padding:4px 2px 16px;scroll-snap-type:x proximity}
.format-card{min-width:190px;flex:1;border:1px solid var(--line);background:var(--white);padding:17px;position:relative;scroll-snap-align:start;transition:.2s}
.format-card:before{content:"";height:4px;position:absolute;top:0;left:0;right:0;background:var(--green)}
.format-card.warn:before{background:var(--orange)}
.format-card:hover{transform:translateY(-3px);border-color:var(--green);box-shadow:var(--shadow)}
.file-type{font:700 22px var(--mono);color:var(--green)}
.file-preview{margin:13px 0 10px;padding:9px;background:#F0EEE5;font:12px/1.55 var(--mono);color:#44514D}
.status{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:12px}
.status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green)}
.status.warn:before{background:var(--orange)}
.status.alert:before{background:var(--red)}
.article-block{padding:58px 0;border-bottom:1px solid var(--line)}
.article-block:first-of-type{padding-top:10px}
.chapter-row{display:grid;grid-template-columns:150px minmax(0,1fr);gap:35px}
.chapter-index{font:700 12px var(--mono);letter-spacing:.1em;color:var(--orange);padding-top:7px}
.chapter-body{max-width:790px}
.chapter-body h2{font-size:31px;line-height:1.32;margin:0 0 16px;letter-spacing:-.03em}
.chapter-body h3{font-size:20px;margin:28px 0 8px}
.chapter-body p{margin:0 0 16px;color:#44514D}
.notice{margin:24px 0;padding:16px 18px;border-left:4px solid var(--orange);background:#F0E8D9;color:#5A4631}
.notice strong{color:#8C4A16}
.check-list{padding:0;margin:18px 0;list-style:none}
.check-list li{padding:10px 0 10px 27px;border-bottom:1px solid var(--line);position:relative}
.check-list li:before{content:"✓";position:absolute;left:2px;color:var(--green);font-weight:800}
.code-preview{margin-top:22px;background:#182624;color:#E8EFEA;padding:18px 20px;border-top:4px solid var(--green);font:13px/1.8 var(--mono);overflow:auto}
.code-preview .bad-text{color:#F0A09A}.code-preview .good-text{color:#B8E1D0}
.compat-board{margin-top:18px;display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.compat-item{padding:17px;border:1px solid var(--line);background:#FFFCF5;display:grid;grid-template-columns:36px 1fr;gap:12px;transition:.2s}
.compat-item:hover{border-color:var(--green);box-shadow:var(--shadow)}
.compat-icon{width:36px;height:36px;display:grid;place-items:center;background:#E3ECE7;color:var(--green);font-weight:800;font-family:var(--mono)}
.compat-item h3{font-size:16px;margin:0 0 3px}
.compat-item p{font-size:13px;line-height:1.7;margin:0;color:var(--muted)}
.compat-item .status{grid-column:2}
.related-strip{background:#EAE7DD;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.related-card{background:var(--paper);border:1px solid var(--line);padding:24px;display:flex;justify-content:space-between;gap:18px;align-items:center;transition:.2s}
.related-card:hover{border-color:var(--green);transform:translateY(-3px);box-shadow:var(--shadow)}
.related-card h3{font-size:20px;margin:0 0 5px}
.related-card p{font-size:14px;color:var(--muted);margin:0}
.arrow{color:var(--orange);font-size:24px;font-weight:700}
.mini-contact{background:var(--ink);color:#fff;padding:34px;margin-top:56px;display:flex;align-items:center;justify-content:space-between;gap:30px;border-left:5px solid var(--orange)}
.mini-contact h2{font-size:25px;margin:0 0 6px}
.mini-contact p{margin:0;color:#C8D6D1;max-width:650px}
.mini-contact .button{background:var(--orange);color:#fff;white-space:nowrap}
.mini-contact .button:hover{background:#b96117}
.site-footer{background:var(--ink);color:#D9E2DE;padding:55px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr;gap:55px;padding-bottom:42px}
.footer-brand p{max-width:355px;color:#AABCB5;font-size:14px;margin:15px 0 0}
.footer-title{font-size:14px;color:#FFC58D;margin:3px 0 13px}
.footer-links{display:grid;gap:8px}
.footer-links a{font-size:14px;color:#C7D4CF}
.footer-links a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--orange)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#92A69E;font:12px var(--mono)}
@media(max-width:992px){
 .nav-links{gap:17px}.banner-inner{grid-template-columns:1fr 330px;gap:30px}.reading-layout{grid-template-columns:1fr}.topic-aside{position:static;display:grid;grid-template-columns:repeat(3,1fr);gap:0}.topic-aside h2{grid-column:1/-1}.topic-aside .aside-cta{margin:8px 0 0}.footer-grid{gap:30px}
}
@media(max-width:768px){
 body{font-size:15px}.container{width:min(var(--container),calc(100% - 32px))}.site-header{height:67px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:67px;left:0;right:0;height:auto;background:var(--ink);padding:12px 16px 18px;border-top:1px solid rgba(255,255,255,.12);flex-direction:column;align-items:stretch;gap:2px}.nav-links.open{display:flex}.nav-links a{height:45px;padding:0 10px}.nav-links a.active:after{width:3px;height:22px;left:0;bottom:11px}.nav-cta{margin-top:6px;justify-content:center}.banner-inner{grid-template-columns:1fr;padding:37px 0}.channel-banner h1{font-size:34px}.timeline-art{max-width:480px}.reading-layout{gap:30px}section{padding:60px 0}.section-head h2{font-size:29px}.chapter-row{grid-template-columns:1fr;gap:9px}.chapter-body h2{font-size:27px}.topic-aside{display:block}.compat-board,.related-grid{grid-template-columns:1fr}.mini-contact{padding:27px;display:block}.mini-contact .button{margin-top:18px;width:100%}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
 .logo{font-size:14px}.logo-mark{width:29px;height:29px}.channel-banner h1{font-size:31px}.banner-inner{padding-top:30px}.section-head h2{font-size:27px}.format-card{min-width:175px}.chapter-body h2{font-size:25px}.compat-board{gap:9px}.compat-item{padding:14px}.related-card{padding:19px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-brand{grid-column:auto}.footer-bottom{display:block;line-height:2}.footer-bottom span{display:block}
}

/* roulang page: category1 */
:root{
 --ink:#15201F;--green:#0B5D57;--green-dark:#084741;--paper:#F5F2E9;--white:#FFFCF5;
 --orange:#D47A28;--red:#B84C40;--text:#1D2927;--muted:#66706D;--line:#D8D5CB;
 --soft:#EAE7DD;--radius:12px;--radius-sm:8px;--shadow:0 12px 28px rgba(21,32,31,.09);
 --container:1200px;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.85}
a{color:inherit;text-decoration:none} img{max-width:100%;display:block} button,input,select,textarea{font:inherit} button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{height:76px;background:var(--ink);position:sticky;top:0;z-index:30;border-bottom:1px solid rgba(255,255,255,.12)}
.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;color:var(--white);font-weight:800;letter-spacing:.02em;white-space:nowrap}
.logo-mark{width:31px;height:31px;border:1px solid rgba(255,255,255,.7);display:grid;place-items:center;color:var(--orange);font-family:var(--mono);font-size:15px}
.nav-links{display:flex;align-items:center;gap:29px;height:100%}
.nav-links a{height:100%;display:flex;align-items:center;color:#D9E2DE;font-size:14px;position:relative}
.nav-links a:hover{color:#fff}.nav-links a.active:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:3px;background:var(--orange)}
.nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:var(--radius-sm);border:1px solid transparent;font-weight:700;transition:.2s ease}
.nav-cta{background:var(--orange);color:#fff;font-size:14px}.nav-cta:hover,.button-primary:hover{background:#b96117;transform:translateY(-2px);box-shadow:0 4px 0 #713d13}
.button-primary{background:var(--green);color:#fff}.button-secondary{border-color:var(--green);color:var(--green);background:transparent}.button-secondary:hover{background:#e1ece8;transform:translateY(-2px)}
.button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(212,122,40,.58);outline-offset:3px}
.menu-toggle{display:none;background:transparent;border:0;color:#fff;font-size:25px;width:44px;height:44px}
section{padding:82px 0}.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font:12px var(--mono);letter-spacing:.12em}.section-kicker:before{content:"";width:24px;height:1px;background:currentColor}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}.section-head h2{font-size:35px;line-height:1.25;letter-spacing:-.03em;margin:9px 0 0}.section-head p{max-width:450px;margin:0;color:var(--muted)}
.breadcrumb{font-size:13px;color:var(--muted);padding:18px 0}.breadcrumb span{margin:0 8px;color:var(--orange)}
.channel-hero{border-bottom:1px solid var(--line);background:linear-gradient(90deg,#F5F2E9 0%,#F5F2E9 68%,#E6E4D9 68%)}
.channel-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:54px;padding:30px 0 62px;align-items:center}
.channel-hero h1{font-size:48px;line-height:1.18;letter-spacing:-.045em;margin:14px 0 18px}.channel-hero p{max-width:720px;margin:0;color:#53615D}
.hero-index{background:var(--ink);color:var(--white);padding:25px;border-top:4px solid var(--orange);position:relative;overflow:hidden}.hero-index:after{content:"";position:absolute;right:-26px;bottom:-40px;width:160px;height:160px;border:1px solid rgba(255,255,255,.2);transform:rotate(45deg)}
.index-label{font:12px var(--mono);letter-spacing:.1em;color:#FFC58D}.index-row{display:flex;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.15);padding:12px 0;position:relative;z-index:1}.index-row b{font-family:var(--mono);color:var(--orange)}.index-row span{font-size:14px;color:#D6E0DC}
.layout{display:grid;grid-template-columns:255px minmax(0,1fr);gap:48px}.filter-panel{position:sticky;top:100px;align-self:start;border-top:4px solid var(--green);background:#ECE9DF;padding:20px}.filter-panel h2{font-size:18px;margin:0 0 12px}.filter-panel p{font-size:13px;color:var(--muted);margin:0 0 15px}.filter-links{display:grid;gap:4px}.filter-links a{padding:10px 11px;border-bottom:1px solid #D1CEC3;font-size:14px;transition:.2s}.filter-links a:hover,.filter-links a:focus{background:var(--white);color:var(--green);padding-left:15px}.filter-links small{font:12px var(--mono);color:var(--orange);margin-right:7px}
.diagnosis-list{display:grid;gap:14px}.diagnosis-card{position:relative;padding:25px 27px;border:1px solid var(--line);background:var(--white);transition:.2s}.diagnosis-card:hover{transform:translateY(-3px);border-color:var(--green);box-shadow:var(--shadow)}.diagnosis-card:nth-child(even){margin-left:34px}.diagnosis-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--green)}.diagnosis-card.risk:before{background:var(--red)}
.issue-top{display:flex;justify-content:space-between;gap:14px;align-items:center}.issue-no{font:700 12px var(--mono);letter-spacing:.08em;color:var(--orange)}.badge{font-size:12px;padding:3px 8px;border:1px solid #CFC9B9;background:#F7F3E8;color:var(--green)}.badge.warn{border-color:#DAB4AD;color:var(--red);background:#FFF7F4}.diagnosis-card h3{font-size:22px;line-height:1.35;margin:10px 0 8px}.diagnosis-card p{margin:0;color:var(--muted);max-width:770px;font-size:15px}.meta-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}.tag{font-size:12px;padding:3px 8px;border:1px solid #BFC8C2;color:var(--green);background:#FAF8F1}.card-foot{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:18px;font-size:13px}.card-link{font-weight:700;color:var(--green)}.card-link:hover{color:var(--orange)}
.route{background:var(--ink);color:var(--white);position:relative;overflow:hidden}.route:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0,transparent 74px,rgba(255,255,255,.035) 75px)}.route .section-head{position:relative}.route .section-head h2{color:#fff}.route .section-head p{color:#C8D5D0}.route-steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.22)}.route-step{background:#1B2C29;padding:21px;min-height:160px}.route-step:nth-child(2n){background:#10443E}.route-step b{display:block;font:700 21px var(--mono);color:var(--orange);margin-bottom:9px}.route-step h3{font-size:18px;margin:0 0 6px}.route-step p{font-size:13px;line-height:1.7;color:#D3DEDA;margin:0}
.double-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.note-box{border:1px solid var(--line);background:#EEEBE1;padding:29px;border-top:4px solid var(--orange)}.note-box h2{font-size:27px;line-height:1.35;margin:8px 0 14px}.note-box p{margin:0 0 14px;color:var(--muted)}.check-list{list-style:none;padding:0;margin:0}.check-list li{padding:10px 0 10px 25px;border-top:1px solid #D5D1C6;position:relative;font-size:14px}.check-list li:before{content:"✓";position:absolute;left:2px;color:var(--green);font-weight:800}
.faq-area{padding-top:20px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);background:transparent}summary{list-style:none;display:flex;align-items:center;gap:13px;padding:20px 4px;cursor:pointer;font-weight:700}summary::-webkit-details-marker{display:none}summary:after{content:"+";margin-left:auto;font:24px var(--mono);color:var(--orange);transition:.2s}details[open] summary{color:var(--green);border-left:4px solid var(--green);padding-left:14px}details[open] summary:after{content:"−"}details p{margin:0;padding:0 28px 20px 32px;color:var(--muted);font-size:15px}.faq-no{font:12px var(--mono);color:var(--orange)}
.cta-strip{padding:0 0 82px}.cta-inner{background:var(--green);color:#fff;padding:29px 34px;display:flex;align-items:center;justify-content:space-between;gap:25px;border-bottom:4px solid var(--orange)}.cta-inner h2{font-size:25px;margin:0 0 4px}.cta-inner p{margin:0;color:#D8E5E0;font-size:14px}.cta-inner .button{background:var(--white);color:var(--green);white-space:nowrap}.cta-inner .button:hover{background:#FFF0DD;transform:translateY(-2px)}
#submit-form{scroll-margin-top:100px}.site-footer{background:var(--ink);color:#D4DFDA;padding:56px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:55px}.footer-brand p{font-size:14px;max-width:390px;color:#B7C6C0}.footer-title{color:#fff;font-size:15px;margin:0 0 12px}.footer-links{display:grid;gap:8px}.footer-links a{font-size:14px;color:#BBC9C3}.footer-links a:hover{color:#FFC58D}.footer-bottom{margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:15px;font:12px var(--mono);color:#8EA29A}
@media(max-width:992px){.channel-grid{gap:30px}.layout{gap:28px}.route-steps{grid-template-columns:repeat(2,1fr)}.footer-grid{gap:30px}.nav-links{gap:18px}}
@media(max-width:768px){body{font-size:15px}.container{width:min(var(--container),calc(100% - 32px))}.site-header{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;height:auto;padding:15px 16px 20px;background:var(--ink);border-top:1px solid rgba(255,255,255,.14);align-items:stretch;flex-direction:column;gap:3px}.nav-links.open{display:flex}.nav-links a{height:45px;padding:0 9px}.nav-links a.active:after{bottom:3px;width:32px}.nav-cta{justify-content:center!important;margin-top:6px}.channel-hero{background:var(--paper)}.channel-grid{grid-template-columns:1fr;padding:18px 0 45px}.channel-hero h1{font-size:34px}.layout{grid-template-columns:1fr}.filter-panel{position:static;display:flex;gap:14px;align-items:flex-start;overflow:auto;padding:16px}.filter-panel p{display:none}.filter-panel h2{min-width:90px;margin-top:8px}.filter-links{display:flex;white-space:nowrap;gap:5px}.filter-links a{border:1px solid var(--line);padding:7px 10px}.diagnosis-card:nth-child(even){margin-left:0}.diagnosis-card{padding:21px}.route-steps,.double-grid{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:14px}.section-head h2{font-size:29px}.cta-inner{display:block;padding:27px}.cta-inner .button{margin-top:18px;width:100%}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{display:block}.footer-bottom span{display:block;margin:6px 0}}
@media(max-width:520px){section{padding:58px 0}.logo{font-size:14px}.logo-mark{width:28px;height:28px}.channel-hero h1{font-size:31px}.hero-index{padding:20px}.diagnosis-card h3{font-size:20px}.issue-top{align-items:flex-start}.card-foot{align-items:flex-start;flex-direction:column}.route-steps{grid-template-columns:1fr}.route-step{min-height:auto}.cta-strip{padding-bottom:58px}}