/* roulang page: index */
:root{
  --ink:#183A34;--ink-2:#245148;--orange:#D97845;--orange-2:#bb6037;
  --mist:#A8B9A9;--paper:#F5F1E8;--sand:#E8E0D2;--white:#fffdf8;
  --muted:#68746b;--line:#d8d0c2;--shadow:0 16px 38px rgba(24,58,52,.10);
  --radius:17px;--serif:Georgia,"Songti SC","SimSun",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button{font:inherit;border:0;cursor:pointer}
.container{width:min(1200px,calc(100% - 44px));margin:auto}
.top-note{height:31px;background:var(--ink);color:#e8eee7;font-size:12px;letter-spacing:.08em;display:flex;align-items:center}
.top-note .container{display:flex;justify-content:space-between}
.site-header{height:82px;background:rgba(245,241,232,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.header-inner{height:100%;display:flex;align-items:center;gap:38px}
.logo{display:flex;align-items:center;gap:11px;min-width:238px;font-family:var(--serif);font-weight:bold;font-size:20px}
.logo-mark{width:35px;height:35px;border:2px solid var(--orange);border-radius:10px 3px 10px 3px;display:grid;place-items:center;color:var(--orange);font-size:13px}
.logo small{display:block;color:var(--muted);font:11px var(--sans);letter-spacing:.12em;margin-top:-3px}
.nav{display:flex;align-items:center;gap:25px;flex:1}
.nav a{font-size:14px;color:#3c5048;padding:27px 0 22px;position:relative;white-space:nowrap}
.nav a:after{content:"";position:absolute;bottom:14px;left:0;width:0;height:2px;background:var(--orange);transition:.25s}
.nav a:hover,.nav a.active{color:var(--ink);font-weight:700}
.nav a:hover:after,.nav a.active:after{width:100%}
.nav a.active:before{content:"01";font:10px monospace;color:var(--orange);position:absolute;top:9px;left:0}
.header-tools{display:flex;gap:10px;align-items:center}
.tool{width:38px;height:38px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--ink)}
.tool:hover{background:var(--ink);color:var(--white)}
.menu-btn{display:none}
.hero{min-height:570px;background:linear-gradient(90deg,rgba(245,241,232,.98) 0%,rgba(245,241,232,.84) 48%,rgba(24,58,52,.20)),url('/assets/images/backpic/back-1.webp') center/cover;display:flex;align-items:center}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:70px;align-items:center}
.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.eyebrow:before{content:"№";font:18px var(--serif)}
h1,h2,h3{font-family:var(--serif);line-height:1.25;letter-spacing:.01em}
h1{font-size:clamp(42px,5vw,62px);max-width:650px;margin:18px 0 20px}
.hero-copy{max-width:600px;color:#506058;font-size:18px}
.actions{display:flex;gap:13px;margin-top:31px;flex-wrap:wrap}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;border-radius:10px;padding:12px 20px;border:1px solid var(--ink);transition:.25s;font-size:14px;font-weight:700}
.btn-primary{background:var(--ink);color:var(--white)}
.btn-primary:hover{background:var(--orange);border-color:var(--orange);transform:translateY(-2px)}
.btn-light{background:transparent;color:var(--ink)}
.btn-light:hover{background:var(--sand);transform:translateY(-2px)}
.btn:focus,.tool:focus,.faq-q:focus{outline:3px solid rgba(217,120,69,.38);outline-offset:3px}
.index-card{background:rgba(255,253,248,.91);border:1px solid rgba(255,255,255,.8);padding:28px;border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(4px)}
.index-card h3{font-size:25px;margin-bottom:19px}
.index-row{display:flex;gap:15px;padding:15px 0;border-top:1px solid var(--line)}
.index-row b{color:var(--orange);font:20px Georgia}
.index-row strong{display:block;font-size:15px}
.index-row span{display:block;color:var(--muted);font-size:13px}
.section{padding:100px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:33px}
.section-head h2{font-size:38px}
.section-head p{max-width:510px;color:var(--muted);font-size:15px}
.quick-strip{background:var(--ink);color:var(--white);padding:32px 0}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.quick-item{padding:8px 25px;border-left:1px solid rgba(255,255,255,.2)}
.quick-item:first-child{border-left:0}
.quick-item b{display:block;color:var(--orange);font:32px Georgia}
.quick-item strong{font-family:var(--serif);font-size:18px}
.quick-item span{display:block;color:#c5d2c7;font-size:13px;line-height:1.5;margin-top:4px}
.matrix{display:grid;grid-template-columns:1.15fr .85fr 1fr;gap:16px}
.matrix-card{min-height:190px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative;transition:.25s}
.matrix-card:nth-child(2),.matrix-card:nth-child(5){min-height:235px;background:var(--sand)}
.matrix-card:hover,.story-card:hover,.notice-card:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:var(--shadow)}
.matrix-card .num{color:var(--orange);font:14px monospace}
.matrix-card h3{font-size:23px;margin:25px 0 7px}
.matrix-card p{font-size:14px;color:var(--muted);max-width:255px}
.arrow{position:absolute;right:22px;bottom:21px;color:var(--orange);font-size:21px}
.news-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:25px}
.feature-card,.notice-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.feature-card img{height:280px}
.card-body{padding:22px}
.card-body h3{font-size:25px;margin:9px 0}
.card-body p{color:var(--muted);font-size:14px}
.story-list{display:flex;flex-direction:column;gap:12px}
.story-card{display:grid;grid-template-columns:140px 1fr;background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s}
.story-card img{height:136px}
.story-card .card-body{padding:15px 17px}
.story-card h3{font-size:18px;margin:5px 0;line-height:1.35}
.story-card p{font-size:13px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tag{font-size:11px;letter-spacing:.04em}
.meta{font:12px monospace;color:#829087}
.dual{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
.level-box{background:var(--ink);color:var(--white);border-radius:var(--radius);padding:30px;min-height:315px}
.level-box .level{border-left:3px solid var(--orange);padding:13px 0 13px 19px;margin:14px 0}
.level-box b{font:23px Georgia;color:var(--orange);margin-right:12px}
.info-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.info-card{background:var(--white);border:1px solid var(--line);padding:22px;border-radius:14px}
.info-card h3{font-size:20px;margin-bottom:7px}.info-card p{color:var(--muted);font-size:14px}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);border-top:2px solid var(--orange);gap:15px}
.time-node{padding:22px 10px 0;border-right:1px solid var(--line);position:relative}
.time-node:before{content:"";width:11px;height:11px;background:var(--orange);border-radius:50%;position:absolute;top:-7px;left:0}
.time-node b{font:14px monospace;color:var(--orange)}.time-node h3{font-size:20px;margin:10px 0}.time-node p{font-size:14px;color:var(--muted)}
.dark-band{background:var(--ink);color:var(--white);padding:70px 0}
.dark-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:70px;align-items:center}
.dark-band h2{font-size:37px}.dark-band p{color:#cbd8ce}
.four-points{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.four-points div{border-top:1px solid #587269;padding-top:14px}.four-points b{color:var(--orange);display:block;margin-bottom:5px}
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.check{display:flex;gap:16px;border-bottom:1px solid var(--line);padding:16px 0}.check b{color:var(--orange);font:20px Georgia}.check p{color:var(--muted);font-size:14px}
.security-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}.security-main{position:relative;min-height:330px;overflow:hidden;border-radius:var(--radius)}.security-main img{height:100%;position:absolute}.security-main:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(24,58,52,.85),transparent)}.security-main .overlay{position:absolute;z-index:1;color:white;padding:38px;max-width:470px}.overlay h3{font-size:32px;margin:18px 0 8px}.security-side{display:grid;gap:18px}.notice-card{padding:21px}.notice-card h3{font-size:19px;margin:5px 0}.notice-card p{font-size:13px;color:var(--muted)}
.compare{display:grid;grid-template-columns:1fr1fr;gap:18px}.compare-box{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px}.compare-box.good{border-top:4px solid var(--ink)}.compare-box.warn{border-top:4px solid var(--orange)}.compare-box h3{font-size:21px;margin-bottom:15px}.compare-box ul{list-style:none}.compare-box li{padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--muted)}.compare-box li:last-child{border-bottom:0}.compare-box li:before{content:"＋";color:var(--orange);font-weight:bold;margin-right:8px}
.term-row{display:flex;gap:12px;overflow-x:auto;padding:5px 3px 15px;scrollbar-color:var(--mist) transparent}.term{flex:0 0 185px;background:var(--sand);border-radius:12px;padding:18px;border:1px solid transparent}.term:hover{border-color:var(--orange);background:var(--white)}.term b{display:block;font-family:var(--serif);font-size:19px;margin-bottom:5px}.term span{font-size:13px;color:var(--muted)}
.device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.device-card{background:var(--white);border-radius:var(--radius);border:1px solid var(--line);overflow:hidden}.device-card img{height:150px}.device-card div{padding:18px}.device-card h3{font-size:21px;margin-bottom:6px}.device-card p{font-size:14px;color:var(--muted)}
.faq-list{max-width:850px;margin:auto}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-q{width:100%;background:transparent;display:flex;align-items:center;gap:15px;text-align:left;padding:19px 5px;color:var(--ink);font-weight:700}.faq-q .faq-no{color:var(--orange);font:14px monospace}.faq-q .faq-arrow{margin-left:auto;font-size:20px;transition:.2s}.faq-item[open] .faq-arrow{transform:rotate(45deg)}.faq-a{background:var(--sand);padding:16px 25px 18px 48px;color:#596960;font-size:14px;margin-bottom:8px;border-radius:8px}
.cta{background:var(--sand);border-radius:22px;padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{font-size:32px}.cta p{color:var(--muted);margin-top:8px}.cta .actions{margin-top:0}
.site-footer{background:var(--ink);color:#e8eee7;padding:67px 0 24px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:38px}.footer-brand h2{font-size:25px;margin-bottom:10px}.footer-brand p,.footer-col li,.footer-bottom{color:#b6c8bc;font-size:13px}.footer-col h3{font:16px var(--sans);color:#fff;margin-bottom:15px}.footer-col ul{list-style:none;display:grid;gap:7px}.footer-col a:hover{color:var(--orange)}.footer-bottom{border-top:1px solid #47655b;margin-top:43px;padding-top:19px;display:flex;justify-content:space-between;gap:20px}
.empty-state{border:1px dashed #b9b0a2;border-radius:var(--radius);background:var(--white);padding:45px;text-align:center;color:var(--muted)}.empty-icon{width:54px;height:42px;border:2px solid var(--mist);border-radius:7px;margin:0 auto 15px;position:relative}.empty-icon:before{content:"";position:absolute;left:7px;top:-9px;width:21px;height:9px;border:2px solid var(--mist);border-bottom:0;border-radius:5px 5px 0 0}.empty-state h3{color:var(--ink);font-size:23px;margin-bottom:5px}.empty-state .actions{justify-content:center}
@media(max-width:1024px){.header-inner{gap:18px}.logo{min-width:205px}.nav{gap:14px}.nav a{font-size:13px}.hero-grid{gap:35px}.section{padding:78px 0}.container{width:min(100% - 36px,1200px)}}
@media(max-width:768px){.site-header{height:70px}.header-inner{justify-content:space-between}.logo{min-width:0;font-size:17px}.logo-mark{width:31px;height:31px}.nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--paper);padding:18px 22px 28px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav a{padding:11px 0;border-bottom:1px solid var(--line)}.nav a:after{bottom:0}.nav a.active:before{right:0;left:auto;top:11px}.header-tools{margin-left:auto}.menu-btn{display:block;width:38px;height:38px;border:1px solid var(--line);border-radius:9px;background:transparent;color:var(--ink)}.hero{min-height:650px}.hero-grid{grid-template-columns:1fr;gap:35px}.hero-copy{font-size:16px}.index-card{max-width:520px}.quick-grid{grid-template-columns:1fr 1fr;gap:20px}.quick-item:nth-child(3){border-left:0}.quick-item{padding:5px 15px}.matrix{grid-template-columns:1fr 1fr}.matrix-card:nth-child(2),.matrix-card:nth-child(5){min-height:190px}.news-layout,.dual,.dark-grid,.security-layout{grid-template-columns:1fr;gap:25px}.timeline{grid-template-columns:1fr 1fr;row-gap:25px}.time-node:nth-child(2){border-right:0}.device-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.cta{align-items:flex-start;flex-direction:column;padding:34px}.cta .actions{width:100%}}
@media(max-width:520px){.container{width:calc(100% - 36px)}.top-note{font-size:10px}.top-note span:last-child{display:none}h1{font-size:39px}.section{padding:62px 0}.section-head{display:block}.section-head h2{font-size:30px;margin-bottom:10px}.quick-grid{grid-template-columns:1fr 1fr}.quick-item{border-left:0!important;padding:5px 4px}.quick-item b{font-size:26px}.quick-item strong{font-size:16px}.matrix,.info-cards,.check-grid,.compare,.four-points,.device-grid{grid-template-columns:1fr}.matrix-card,.matrix-card:nth-child(2),.matrix-card:nth-child(5){min-height:165px}.story-card{grid-template-columns:105px 1fr}.story-card img{height:138px}.story-card .card-body{padding:12px}.story-card h3{font-size:16px}.story-card p{display:none}.feature-card img{height:220px}.timeline{grid-template-columns:1fr}.time-node{border-right:0;border-bottom:1px solid var(--line);padding-bottom:18px}.dark-band{padding:55px 0}.dark-band h2{font-size:30px}.security-main{min-height:310px}.security-main .overlay{padding:25px}.overlay h3{font-size:27px}.cta{padding:28px 23px}.cta h2{font-size:27px}.cta .actions{flex-direction:column}.cta .btn{width:100%}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}

/* roulang page: article */
:root{--ink:#183A34;--ink2:#245148;--orange:#D97845;--orange2:#bb6037;--mist:#A8B9A9;--paper:#F5F1E8;--sand:#E8E0D2;--white:#fffdf8;--muted:#68746b;--line:#d8d0c2;--shadow:0 16px 38px rgba(24,58,52,.10);--radius:17px;--serif:Georgia,"Songti SC","SimSun",serif;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75}a{color:inherit;text-decoration:none}img{display:block;width:100%;object-fit:cover}button{font:inherit;border:0;cursor:pointer}.container{width:min(1200px,calc(100% - 44px));margin:auto}
.top-note{background:var(--ink);color:#dce5db;font-size:12px;padding:6px 0}.top-note .container{display:flex;justify-content:space-between;gap:20px}
.site-header{height:82px;background:rgba(245,241,232,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.header-inner{height:100%;display:flex;align-items:center;gap:38px}.logo{display:flex;align-items:center;gap:11px;min-width:238px;font:700 20px var(--serif)}.logo-mark{width:35px;height:35px;border:2px solid var(--orange);border-radius:10px 3px 10px 3px;display:grid;place-items:center;color:var(--orange);font-size:13px}.logo small{display:block;color:var(--muted);font:11px var(--sans);letter-spacing:.12em;margin-top:-3px}.nav{display:flex;align-items:center;gap:25px;flex:1}.nav a{font-size:14px;color:#3c5048;padding:27px 0 22px;position:relative;white-space:nowrap}.nav a:after{content:"";position:absolute;bottom:14px;left:0;width:0;height:2px;background:var(--orange);transition:.25s}.nav a:hover,.nav a.active{color:var(--ink);font-weight:700}.nav a:hover:after,.nav a.active:after{width:100%}.nav a.active:before{content:"02";font:10px monospace;color:var(--orange);position:absolute;top:9px;left:0}.header-tools{display:flex;gap:10px;align-items:center}.tool,.menu-btn{background:transparent;color:var(--ink);font-size:24px;padding:4px 8px}.menu-btn{display:none}
.article-banner{padding:82px 0 68px;background:linear-gradient(90deg,rgba(245,241,232,.98),rgba(245,241,232,.78)),url('/assets/images/backpic/back-4.webp') center/cover;border-bottom:1px solid var(--line)}.banner-inner{max-width:900px}.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font-size:12px;font-weight:700;letter-spacing:.08em}.eyebrow:before{content:"№";font:18px var(--serif)}h1,h2,h3{font-family:var(--serif);line-height:1.25;margin:0}h1{font-size:clamp(36px,5vw,58px);margin:18px 0 20px;max-width:850px}.lead{font-size:18px;color:var(--muted);max-width:760px}.meta-line{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted);font:13px monospace;margin-top:25px}.crumbs{padding:22px 0;color:var(--muted);font-size:13px}.crumbs a{color:var(--ink2)}.crumbs span{margin:0 8px;color:var(--orange)}
.section{padding:72px 0}.visual{border-radius:var(--radius);overflow:hidden;position:relative;box-shadow:var(--shadow);background:var(--ink)}.visual img{aspect-ratio:16/8}.visual-caption{position:absolute;left:24px;bottom:20px;color:#fff;background:rgba(24,58,52,.82);padding:8px 13px;border-left:3px solid var(--orange);font-size:13px}.reading-layout{display:grid;grid-template-columns:minmax(0,820px) 290px;gap:46px;align-items:start}.article-body{font-size:17px;line-height:1.95}.article-body h2{font-size:32px;margin:42px 0 15px}.article-body h3{font-size:23px;margin:30px 0 10px}.article-body p{margin:0 0 20px}.article-body blockquote{margin:28px 0;padding:20px 24px;background:var(--sand);border-left:4px solid var(--orange);font-family:var(--serif);font-size:20px}.article-body ul{padding-left:25px;margin:18px 0 25px}.article-body li{margin:8px 0}.article-body img{border-radius:14px;margin:28px 0 8px}.article-body figure{margin:28px 0}.article-body figcaption{color:var(--muted);font-size:13px}.summary{position:sticky;top:108px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow)}.summary h3{font-size:23px;margin-bottom:16px}.summary-item{padding:14px 0;border-top:1px solid var(--line)}.summary-item b{display:block;color:var(--orange);font:15px monospace}.summary-item span{display:block;color:var(--muted);font-size:14px;line-height:1.6}.notice{margin-top:16px;padding:16px;background:var(--sand);border-radius:12px;font-size:13px;color:var(--muted)}
.topic-strip{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.strip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}.strip-item{padding:24px;border-right:1px solid var(--line)}.strip-item:last-child{border:0}.strip-item b{color:var(--orange);font:14px monospace}.strip-item strong{display:block;margin:5px 0;font-family:var(--serif);font-size:19px}.strip-item span{color:var(--muted);font-size:14px}
.tags-area{padding:48px 0}.tags-area h2,.related h2{font-size:32px;margin-bottom:20px}.tag-list{display:flex;flex-wrap:wrap;gap:10px}.tag-pill{padding:8px 14px;border:1px solid var(--line);border-radius:9px;background:var(--white);color:var(--ink2);font-size:14px;transition:.2s}.tag-pill:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-2px)}
.related{padding:70px 0;background:var(--sand)}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.story-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}.story-card:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:var(--shadow)}.story-card img{aspect-ratio:4/3}.card-body{padding:20px}.card-body h3{font-size:21px;margin:8px 0}.card-body p{font-size:14px;color:var(--muted);line-height:1.6}.meta{font:12px monospace;color:#829087}.back-actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border-radius:10px;padding:12px 20px;border:1px solid var(--ink);transition:.25s;font-size:14px;font-weight:700}.btn-primary{background:var(--ink);color:var(--white)}.btn-primary:hover{background:var(--orange);border-color:var(--orange);transform:translateY(-2px)}.btn-light{background:transparent}.btn-light:hover{background:var(--sand);transform:translateY(-2px)}.btn:focus,.tool:focus,.menu-btn:focus{outline:3px solid rgba(217,120,69,.4);outline-offset:3px}
.empty{padding:60px 20px;text-align:center;border:1px dashed var(--line);border-radius:var(--radius);background:var(--white)}.empty-icon{font-size:42px;color:var(--orange);margin-bottom:12px}.empty h2{font-size:28px;margin-bottom:8px}.empty p{color:var(--muted)}
.site-footer{background:var(--ink);color:#dce5db;padding:62px 0 0}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:38px}.footer-brand h2{font:28px var(--serif);color:#fffdf8}.footer-brand p{color:#aebfb1;font-size:13px}.footer-col h3{font-size:16px;color:#fffdf8;margin-bottom:14px}.footer-col ul{list-style:none;padding:0;margin:0}.footer-col li{margin:7px 0}.footer-col a{font-size:13px;color:#b6c7ba}.footer-col a:hover{color:var(--orange)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.16);margin-top:42px;padding:18px 0 22px;color:#aebfb1;font-size:12px}
@media(max-width:960px){.header-inner{gap:18px}.nav{gap:14px}.nav a{font-size:13px}.reading-layout{grid-template-columns:1fr}.summary{position:static;order:-1}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.site-header{height:70px}.logo{min-width:0;font-size:17px}.logo-mark{width:31px;height:31px}.nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--paper);padding:20px 22px;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.nav.open{display:flex}.nav a{padding:8px 0}.nav a:after{bottom:2px}.nav a.active:before{top:-5px}.menu-btn{display:block}.article-banner{padding:58px 0 48px}.section{padding:56px 0}.strip-grid{grid-template-columns:1fr 1fr}.strip-item{border-bottom:1px solid var(--line)}.strip-item:nth-child(2){border-right:0}.related-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.container{width:min(100% - 36px,1200px)}.top-note .container{display:block;text-align:center}.top-note span:last-child{display:none}h1{font-size:37px}.lead{font-size:16px}.strip-grid,.related-grid,.footer-grid{grid-template-columns:1fr}.strip-item{border-right:0}.strip-item:last-child{border-bottom:0}.back-actions .btn{width:100%}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}.article-body{font-size:16px}.article-body h2{font-size:28px}}

/* roulang page: category1 */
:root{
      --ink:#183A34;--ink-2:#245148;--orange:#D97845;--orange-2:#bb6037;
      --mist:#A8B9A9;--paper:#F5F1E8;--sand:#E8E0D2;--white:#fffdf8;
      --muted:#68746b;--line:#d8d0c2;--shadow:0 16px 38px rgba(24,58,52,.10);
      --radius:17px;--serif:Georgia,"Songti SC","SimSun",serif;
      --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;object-fit:cover}
    button{font:inherit;border:0;cursor:pointer}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{font-family:var(--serif);font-weight:700;color:var(--ink);line-height:1.25}
    .container{width:min(1200px,calc(100% - 44px));margin:auto}
    .top-note{background:var(--ink);color:#dce5dc;font-size:12px;letter-spacing:.03em}
    .top-note .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:18px}
    .top-note strong{font-weight:600;color:#f7d2bc}
    .site-header{height:82px;background:rgba(245,241,232,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
    .header-inner{height:100%;display:flex;align-items:center;gap:38px}
    .logo{display:flex;align-items:center;gap:11px;min-width:238px;font-family:var(--serif);font-weight:bold;font-size:20px}
    .logo-mark{width:35px;height:35px;border:2px solid var(--orange);border-radius:10px 3px 10px 3px;display:grid;place-items:center;color:var(--orange);font-size:13px}
    .logo small{display:block;color:var(--muted);font:11px var(--sans);letter-spacing:.12em;margin-top:-3px}
    .nav{display:flex;align-items:center;gap:25px;flex:1}
    .nav a{font-size:14px;color:#3c5048;padding:27px 0 22px;position:relative;white-space:nowrap}
    .nav a:after{content:"";position:absolute;bottom:14px;left:0;width:0;height:2px;background:var(--orange);transition:.25s}
    .nav a:hover,.nav a.active{color:var(--ink);font-weight:700}
    .nav a:hover:after,.nav a.active:after{width:100%}
    .nav a.active:before{content:"02";font:10px monospace;color:var(--orange);position:absolute;top:9px;left:0}
    .header-tools{display:flex;gap:10px;align-items:center}
    .tool,.menu-btn{background:transparent;color:var(--ink);width:38px;height:38px;border:1px solid transparent;border-radius:9px;font-size:23px;line-height:1}
    .tool:hover,.menu-btn:hover{border-color:var(--orange);color:var(--orange);background:var(--white)}
    .menu-btn{display:none;font-size:20px}
    .tool:focus,.menu-btn:focus,.btn:focus,.faq-q:focus{outline:3px solid rgba(217,120,69,.38);outline-offset:3px}
    .section{padding:96px 0}
    .section-sand{background:var(--sand)}
    .section-dark{background:var(--ink);color:#e7eee7}
    .section-dark h2,.section-dark h3{color:#fffdf8}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font-size:12px;font-weight:700;letter-spacing:.11em}
    .eyebrow:before{content:"№";font:18px var(--serif)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:35px;margin-bottom:34px}
    .section-head h2{font-size:38px;margin-bottom:0}
    .section-head p{max-width:520px;margin-bottom:0;color:var(--muted);font-size:15px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 20px;border:1px solid var(--ink);border-radius:10px;font-size:14px;font-weight:700;transition:.25s}
    .btn-primary{background:var(--ink);color:var(--white)}
    .btn-primary:hover{background:var(--orange);border-color:var(--orange);color:white;transform:translateY(-2px)}
    .btn-light{background:transparent;color:var(--ink)}
    .btn-light:hover{background:var(--sand);border-color:var(--orange);transform:translateY(-2px)}
    .btn-paper{background:var(--white);border-color:var(--white);color:var(--ink)}
    .btn-paper:hover{background:var(--orange);border-color:var(--orange);color:white;transform:translateY(-2px)}
    .catalogue{padding:66px 0 54px;border-bottom:1px solid var(--line);background:
      linear-gradient(100deg,rgba(245,241,232,.94),rgba(245,241,232,.72)),
      url('/assets/images/backpic/back-3.webp') center/cover}
    .catalogue-grid{display:grid;grid-template-columns:1fr 310px;gap:60px;align-items:end}
    .catalogue h1{font-size:54px;margin:12px 0 16px;letter-spacing:-.04em}
    .catalogue p{max-width:705px;color:#45564e;font-size:18px;margin-bottom:0}
    .issue-card{background:rgba(255,253,248,.9);border:1px solid rgba(255,255,255,.9);border-radius:var(--radius);padding:23px;box-shadow:var(--shadow)}
    .issue-card span{display:block;font:12px monospace;color:var(--orange);letter-spacing:.1em}
    .issue-card strong{font:700 22px var(--serif);display:block;margin:8px 0}
    .issue-card p{font-size:13px;line-height:1.6;color:var(--muted)}
    .featured{display:grid;grid-template-columns:1.15fr .85fr;min-height:410px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white);box-shadow:var(--shadow)}
    .featured-media{position:relative;overflow:hidden}
    .featured-media img{height:100%;min-height:410px;transition:transform .5s}
    .featured:hover .featured-media img{transform:scale(1.04)}
    .featured-media:after{content:"文化档案";position:absolute;left:18px;bottom:18px;padding:5px 10px;background:rgba(24,58,52,.88);color:#fffdf8;font-size:12px;letter-spacing:.12em}
    .featured-copy{padding:47px 45px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
    .featured-copy h2{font-size:38px;margin:12px 0 16px}
    .featured-copy p{color:var(--muted);font-size:16px;margin-bottom:25px}
    .meta{font:12px monospace;color:#829087;letter-spacing:.03em}
    .article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:23px}
    .article-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:flex;flex-direction:column}
    .article-card:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:var(--shadow)}
    .article-card .image-wrap{height:225px;overflow:hidden;position:relative}
    .article-card img{height:100%;transition:transform .45s}
    .article-card:hover img{transform:scale(1.05)}
    .image-label{position:absolute;left:16px;top:16px;background:rgba(24,58,52,.9);color:#fffdf8;border-radius:6px;padding:4px 9px;font-size:11px;letter-spacing:.06em}
    .article-body{padding:22px 23px 23px;display:flex;flex-direction:column;flex:1}
    .article-body h3{font-size:25px;margin:10px 0 9px}
    .article-body p{font-size:14px;color:var(--muted);margin-bottom:19px}
    .text-link{margin-top:auto;display:inline-flex;gap:8px;align-items:center;color:var(--orange);font-size:14px;font-weight:700}
    .text-link:hover{color:var(--orange-2);gap:12px}
    .more-wrap{text-align:center;margin-top:34px}
    .timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:12px}
    .timeline:before{content:"";position:absolute;left:5%;right:5%;top:39px;height:1px;background:#9da99e}
    .time-node{position:relative;padding:0 19px 0 0}
    .time-dot{position:relative;z-index:1;width:79px;height:79px;border:1px solid var(--orange);border-radius:50%;background:var(--paper);display:grid;place-items:center;color:var(--orange);font:20px var(--serif);margin-bottom:20px}
    .time-node h3{font-size:21px;margin-bottom:8px}
    .time-node p{font-size:14px;color:var(--muted);padding-right:13px}
    .reading-map{display:grid;grid-template-columns:1.15fr .85fr .85fr 1.15fr;gap:14px}
    .map-card{min-height:210px;border:1px solid var(--line);border-radius:14px;background:var(--white);padding:24px;transition:.25s;position:relative}
    .map-card:nth-child(2),.map-card:nth-child(3){background:#e0e5dc}
    .map-card:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:var(--shadow)}
    .map-card .num{font:13px monospace;color:var(--orange)}
    .map-card h3{font-size:23px;margin:35px 0 7px}
    .map-card p{font-size:14px;color:var(--muted);margin-bottom:0}
    .editor-note{display:grid;grid-template-columns:1fr 1fr;gap:40px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:45px;position:relative;overflow:hidden}
    .editor-note:before{content:"EDITOR'S NOTE";position:absolute;right:-12px;top:12px;color:rgba(217,120,69,.11);font:700 53px Georgia;letter-spacing:.02em}
    .editor-note h2{font-size:34px;margin-bottom:12px}
    .editor-note p{color:var(--muted);margin-bottom:0}
    .note-list{position:relative;z-index:1;margin:0;padding:0;list-style:none}
    .note-list li{padding:13px 0 13px 28px;border-bottom:1px solid var(--line);font-size:14px;position:relative}
    .note-list li:before{content:"—";color:var(--orange);position:absolute;left:0;font-weight:bold}
    .note-list li:last-child{border-bottom:0}
    .faq-box{max-width:900px;margin:auto}
    .faq-item{border-top:1px solid var(--line)}
    .faq-item:last-child{border-bottom:1px solid var(--line)}
    .faq-q{width:100%;padding:21px 6px;display:flex;align-items:center;gap:17px;background:transparent;color:var(--ink);text-align:left;font-weight:700;font-size:17px}
    .faq-q span:first-child{color:var(--orange);font:13px monospace}
    .faq-q i{font-style:normal;margin-left:auto;font-size:22px;font-weight:400;transition:.25s}
    .faq-item.open .faq-q i{transform:rotate(45deg);color:var(--orange)}
    .faq-a{display:none;padding:0 28px 21px 53px;color:var(--muted);font-size:15px}
    .faq-item.open .faq-a{display:block}
    .site-footer{background:var(--ink);color:#d9e2da;padding:67px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:42px}
    .footer-brand h2{color:#fffdf8;font-size:26px;margin-bottom:7px}
    .footer-brand p{font-size:14px;color:#b8c8ba;line-height:1.7;margin-bottom:0}
    .footer-col h3{font:700 16px var(--serif);color:#f3f5ee;margin:4px 0 13px}
    .footer-col ul{list-style:none;padding:0;margin:0}
    .footer-col li{margin:6px 0}
    .footer-col a{font-size:13px;color:#bdcbbf;transition:.2s}
    .footer-col a:hover{color:#f4a87d;padding-left:3px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:42px;padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#aebdaf;font-size:12px}
    .mobile-panel{display:none}
    @media(max-width:1024px){
      .header-inner{gap:20px}.nav{gap:16px}.nav a{font-size:13px}
      .catalogue-grid{gap:35px}.catalogue h1{font-size:48px}
      .reading-map{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }
    @media(max-width:768px){
      .container{width:min(100% - 36px,1200px)}.top-note .container{justify-content:center;text-align:center}.top-note span:last-child{display:none}
      .site-header{height:70px}.header-inner{justify-content:space-between}.logo{min-width:0;font-size:18px}.logo small{font-size:10px}
      .nav{display:none}.menu-btn{display:block}
      .catalogue{padding:52px 0}.catalogue-grid{grid-template-columns:1fr;gap:26px}.catalogue h1{font-size:39px}.catalogue p{font-size:16px}.issue-card{max-width:none}
      .section{padding:66px 0}.section-head{display:block;margin-bottom:26px}.section-head h2{font-size:30px;margin-bottom:10px}
      .featured{grid-template-columns:1fr}.featured-media img{height:250px;min-height:auto}.featured-copy{padding:30px}.featured-copy h2{font-size:30px}
      .article-grid{grid-template-columns:1fr}.article-card .image-wrap{height:215px}
      .timeline{grid-template-columns:1fr 1fr;gap:24px}.timeline:before{display:none}.time-node{padding:0}.time-dot{width:59px;height:59px;margin-bottom:13px}
      .editor-note{grid-template-columns:1fr;padding:30px;gap:18px}.editor-note h2{font-size:29px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}
      .mobile-panel{position:fixed;inset:0;background:var(--paper);z-index:60;padding:25px;transform:translateX(100%);transition:.35s;display:flex;flex-direction:column}
      .mobile-panel.open{transform:translateX(0)}.mobile-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:24px;border-bottom:1px solid var(--line)}
      .mobile-links{padding:20px 0;display:flex;flex-direction:column}.mobile-links a{padding:14px 0;border-bottom:1px solid var(--line);font:700 19px var(--serif)}
      .mobile-bottom{margin-top:auto;border-top:1px solid var(--line);padding-top:18px;color:var(--muted);font-size:13px}
    }
    @media(max-width:520px){
      .catalogue h1{font-size:35px}.section{padding:57px 0}.section-head h2{font-size:28px}
      .featured-copy{padding:26px}.featured-copy h2{font-size:27px}.article-body h3{font-size:22px}
      .timeline{grid-template-columns:1fr}.reading-map{grid-template-columns:1fr}.map-card{min-height:175px}
      .editor-note{padding:25px}.faq-q{font-size:16px;padding:18px 0}.faq-a{padding-left:28px}
      .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.btn{width:100%}
    }

/* roulang page: category2 */
:root{
      --ink:#183A34;--ink-2:#245148;--orange:#D97845;--orange-2:#bb6037;
      --mist:#A8B9A9;--paper:#F5F1E8;--sand:#E8E0D2;--white:#fffdf8;
      --muted:#68746b;--line:#d8d0c2;--shadow:0 16px 38px rgba(24,58,52,.10);
      --radius:17px;--serif:Georgia,"Songti SC","SimSun",serif;
      --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;object-fit:cover}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(1200px,calc(100% - 44px));margin:auto}
    .top-note{background:var(--ink);color:#dce7dc;font-size:12px;letter-spacing:.04em}
    .top-note .container{min-height:30px;display:flex;justify-content:space-between;align-items:center}
    .site-header{height:82px;background:rgba(245,241,232,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .header-inner{height:100%;display:flex;align-items:center;gap:38px}
    .logo{display:flex;align-items:center;gap:11px;min-width:238px;font-family:var(--serif);font-weight:bold;font-size:20px}
    .logo-mark{width:35px;height:35px;border:2px solid var(--orange);border-radius:10px 3px 10px 3px;display:grid;place-items:center;color:var(--orange);font-size:13px}
    .logo small{display:block;color:var(--muted);font:11px var(--sans);letter-spacing:.12em;margin-top:-3px}
    .nav{display:flex;align-items:center;gap:25px;flex:1}
    .nav a{font-size:14px;color:#3c5048;padding:27px 0 22px;position:relative;white-space:nowrap}
    .nav a:after{content:"";position:absolute;bottom:14px;left:0;width:0;height:2px;background:var(--orange);transition:.25s}
    .nav a:hover,.nav a.active{color:var(--ink);font-weight:700}
    .nav a:hover:after,.nav a.active:after{width:100%}
    .nav a.active:before{content:"02";font:10px monospace;color:var(--orange);position:absolute;top:9px;left:0}
    .header-tools{display:flex;gap:10px;align-items:center}
    .tool,.menu-btn{background:transparent;color:var(--ink);font-size:23px;padding:5px 9px;border-radius:8px}
    .tool:hover,.menu-btn:hover{background:var(--sand)}
    .menu-btn{display:none}
    .page-intro{padding:78px 0 66px;background:linear-gradient(90deg,rgba(245,241,232,.96),rgba(245,241,232,.72)),url('/assets/images/backpic/back-3.webp') center/cover;border-bottom:1px solid var(--line)}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:end}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font-size:12px;font-weight:700;letter-spacing:.1em}
    .eyebrow:before{content:"№";font:18px var(--serif)}
    h1,h2,h3{font-family:var(--serif);color:var(--ink);line-height:1.2}
    h1{font-size:clamp(38px,5vw,58px);margin:20px 0 16px}
    h2{font-size:clamp(28px,3.2vw,40px);margin:0 0 12px}
    h3{font-size:22px;margin:0 0 9px}
    .lead{color:#53635a;font-size:18px;max-width:650px;margin:0}
    .rule-index{background:var(--ink);color:var(--white);padding:27px;border-radius:var(--radius);box-shadow:var(--shadow)}
    .rule-index strong{display:block;color:var(--orange);font:14px monospace;margin-bottom:13px}
    .rule-index p{margin:0;color:#d7e1d8;font-size:15px}
    .section{padding:92px 0}
    .section.alt{background:var(--sand)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:32px}
    .section-head p{max-width:510px;color:var(--muted);font-size:15px;margin:0}
    .check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .check-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:205px;transition:.25s}
    .check-card:hover,.guide-card:hover,.scene-card:hover,.risk-card:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:var(--shadow)}
    .number{color:var(--orange);font:27px Georgia,serif;display:block;margin-bottom:26px}
    .check-card p,.guide-card p,.scene-card p,.risk-card p{color:var(--muted);font-size:14px;margin:0}
    .guide-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:start}
    .guide-list{display:flex;flex-direction:column;gap:13px}
    .guide-card{display:grid;grid-template-columns:155px 1fr;background:var(--white);border:1px solid var(--line);border-radius:15px;overflow:hidden;transition:.25s}
    .guide-card img{height:146px}
    .guide-card .body{padding:19px 22px}
    .guide-card .meta{font:12px monospace;color:#829087}
    .guide-card h3{font-size:21px;margin:7px 0}
    .read-note{background:#efe5d5;border-left:4px solid var(--orange);padding:25px;position:sticky;top:110px}
    .read-note strong{display:block;font-family:var(--serif);font-size:23px;margin-bottom:10px}
    .read-note ul{padding-left:18px;margin:0;color:#59675f;font-size:14px}
    .more{margin-top:26px}
    .btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;border-radius:10px;padding:11px 20px;border:1px solid var(--ink);transition:.25s;font-size:14px;font-weight:700}
    .btn-primary{background:var(--ink);color:var(--white)}
    .btn-primary:hover{background:var(--orange);border-color:var(--orange);transform:translateY(-2px)}
    .btn-light{background:transparent;color:var(--ink)}
    .btn-light:hover{background:var(--sand);transform:translateY(-2px)}
    .btn:focus,.tool:focus,.menu-btn:focus,.faq-q:focus{outline:3px solid rgba(217,120,69,.38);outline-offset:3px}
    .copyright-band{background:var(--ink);color:var(--white);padding:48px 0}
    .copyright-band .band-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
    .copyright-band h2{color:var(--white);font-size:32px}
    .copyright-band p{color:#c9d8cc;margin:0;max-width:600px}
    .stamp{justify-self:end;border:1px solid rgba(217,120,69,.7);padding:24px 30px;color:#f0c2a5;transform:rotate(-3deg);font-family:var(--serif);font-size:23px}
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .scene-card{background:var(--white);border:1px solid var(--line);padding:26px;border-radius:var(--radius);transition:.25s}
    .scene-icon{width:42px;height:42px;border:1px solid var(--mist);border-radius:12px;display:grid;place-items:center;color:var(--orange);font-size:20px;margin-bottom:23px}
    .risk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .risk-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:22px;transition:.25s}
    .risk-card h3{font-size:19px}
    .faq-wrap{max-width:850px}
    .faq-item{border-top:1px solid var(--line)}
    .faq-q{width:100%;background:transparent;text-align:left;padding:19px 5px;display:flex;justify-content:space-between;align-items:center;color:var(--ink);font-weight:700}
    .faq-q span:last-child{color:var(--orange);font-size:22px;transition:.2s}
    .faq-a{display:none;background:var(--sand);padding:0 20px 18px;color:var(--muted);font-size:15px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .return-box{margin-top:34px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px;display:flex;justify-content:space-between;align-items:center;gap:20px}
    .return-box p{margin:0;color:var(--muted);font-size:14px}
    .site-footer{background:var(--ink);color:#d9e3d9;padding:65px 0 0}
    .footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:38px}
    .footer-brand h2{color:var(--white);font-size:25px;margin:0 0 7px}
    .footer-brand p{color:#afc1b2;font-size:13px;margin:0}
    .footer-col h3{font-family:var(--sans);font-size:15px;color:var(--white);margin:0 0 14px}
    .footer-col ul{list-style:none;padding:0;margin:0}
    .footer-col li{margin:7px 0;font-size:13px;color:#b4c5b7}
    .footer-col a:hover{color:#f0a77d}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.16);margin-top:45px;padding:20px 0;display:flex;justify-content:space-between;gap:20px;color:#9fb3a4;font-size:12px}
    @media(max-width:1024px){
      .header-inner{gap:20px}.nav{gap:14px}.logo{min-width:210px}.intro-grid{gap:35px}
      .check-grid,.risk-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(100% - 36px,600px)}
      .site-header{height:72px}.logo{min-width:0;font-size:17px}.logo small{font-size:9px}
      .nav{position:fixed;inset:72px 0 0;background:var(--paper);display:none;flex-direction:column;align-items:flex-start;padding:30px 28px;gap:0;border-top:1px solid var(--line);overflow:auto}
      .nav.show{display:flex}.nav a{width:100%;padding:13px 0;border-bottom:1px solid var(--line)}
      .nav a:after{bottom:0}.nav a.active:before{top:15px;left:auto;right:4px}.menu-btn{display:block}.tool{display:none}
      .page-intro{padding:58px 0}.intro-grid,.guide-layout,.copyright-band .band-grid{grid-template-columns:1fr}
      .rule-index{margin-top:10px}.section{padding:65px 0}.section-head{display:block}.section-head p{margin-top:10px}
      .guide-card{grid-template-columns:120px 1fr}.guide-card img{height:150px}.read-note{position:static}
      .scene-grid{grid-template-columns:1fr}.stamp{justify-self:start}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin:4px 0}
    }
    @media(max-width:520px){
      .top-note .container{display:block;text-align:center;padding:5px 0}
      h1{font-size:39px}.lead{font-size:16px}.check-grid,.risk-grid{grid-template-columns:1fr}
      .guide-card{grid-template-columns:1fr}.guide-card img{height:190px}.return-box{display:block}.return-box .btn{width:100%;margin-top:16px}
      .footer-grid{grid-template-columns:1fr}.site-footer{padding-top:48px}
    }

/* roulang page: category3 */
:root{--ink:#183A34;--ink-2:#245148;--orange:#D97845;--orange-2:#bb6037;--mist:#A8B9A9;--paper:#F5F1E8;--sand:#E8E0D2;--white:#fffdf8;--muted:#68746b;--line:#d8d0c2;--shadow:0 16px 38px rgba(24,58,52,.10);--radius:17px;--serif:Georgia,"Songti SC","SimSun",serif;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75}a{color:inherit;text-decoration:none}img{display:block;width:100%;object-fit:cover}button{font:inherit;border:0;cursor:pointer}.container{width:min(1200px,calc(100% - 44px));margin:auto}.top-note{background:var(--ink);color:#dce5dc;font-size:12px;padding:5px 0}.top-note .container{display:flex;justify-content:space-between}.site-header{height:82px;background:rgba(245,241,232,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.header-inner{height:100%;display:flex;align-items:center;gap:38px}.logo{display:flex;align-items:center;gap:11px;min-width:238px;font-family:var(--serif);font-weight:bold;font-size:20px}.logo-mark{width:35px;height:35px;border:2px solid var(--orange);border-radius:10px 3px 10px 3px;display:grid;place-items:center;color:var(--orange);font-size:13px}.logo small{display:block;color:var(--muted);font:11px var(--sans);letter-spacing:.12em;margin-top:-3px}.nav{display:flex;align-items:center;gap:25px;flex:1}.nav a{font-size:14px;color:#3c5048;padding:27px 0 22px;position:relative;white-space:nowrap}.nav a:after{content:"";position:absolute;bottom:14px;left:0;width:0;height:2px;background:var(--orange);transition:.25s}.nav a:hover,.nav a.active{color:var(--ink);font-weight:700}.nav a:hover:after,.nav a.active:after{width:100%}.nav a.active:before{content:"03";font:10px monospace;color:var(--orange);position:absolute;top:9px;left:0}.header-tools{display:flex;gap:10px;align-items:center}.tool{width:35px;height:35px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--ink);font-size:22px}.menu-btn{display:none;background:transparent;color:var(--ink);font-size:25px}.btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;border-radius:10px;padding:12px 20px;border:1px solid var(--ink);transition:.25s;font-size:14px;font-weight:700}.btn-primary{background:var(--ink);color:var(--white)}.btn-primary:hover{background:var(--orange);border-color:var(--orange);transform:translateY(-2px)}.btn-light{background:transparent}.btn-light:hover{background:var(--sand);transform:translateY(-2px)}.btn:focus,.tool:focus,.menu-btn:focus,.faq-q:focus{outline:3px solid rgba(217,120,69,.38);outline-offset:3px}.section{padding:92px 0}.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font-size:12px;font-weight:700;letter-spacing:.08em}.eyebrow:before{content:"№";font:18px var(--serif)}h1,h2,h3{font-family:var(--serif);line-height:1.2;margin-top:0}h1{font-size:54px;margin:17px 0}h2{font-size:38px;margin-bottom:13px}h3{font-size:22px}.intro{color:var(--muted);max-width:660px}.banner{min-height:355px;padding:80px 0;background:linear-gradient(90deg,rgba(245,241,232,.98),rgba(245,241,232,.78)),url('/assets/images/backpic/back-6.webp') center/cover;border-bottom:1px solid var(--line)}.banner-inner{display:flex;justify-content:space-between;align-items:end;gap:40px}.banner-note{width:250px;border-left:3px solid var(--orange);padding:15px 0 15px 20px;color:var(--muted);font-size:14px}.status-panel{background:var(--ink);color:var(--white);padding:26px;border-radius:var(--radius);display:grid;grid-template-columns:repeat(3,1fr);gap:18px;box-shadow:var(--shadow)}.status-panel div{border-left:1px solid rgba(255,255,255,.2);padding-left:17px}.status-panel b{display:block;color:var(--orange);font:25px Georgia}.status-panel span{font-size:13px;color:#c7d5ca}.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}..principle{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:205px;transition:.25s}.principle:hover,.security-card:hover,.risk:hover,.article-row:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:var(--shadow)}.principle .num{color:var(--orange);font:14px monospace}.principle h3{margin:28px 0 8px}.principle p,.risk p,.security-card p{color:var(--muted);font-size:14px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}.security-list{display:flex;flex-direction:column;gap:14px}.article-row{display:grid;grid-template-columns:190px 1fr;min-height:155px;background:var(--white);border:1px solid var(--line);border-radius:15px;overflow:hidden;transition:.25s}.article-row img{height:100%;min-height:155px}.article-row .body{padding:20px 24px}.article-row h3{font-size:23px;margin:8px 0}.article-row p{margin:0;color:var(--muted);font-size:14px;max-width:700px}.meta{font:12px monospace;color:#829087}.dark-band{background:var(--ink);color:var(--white);padding:55px 0}.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.flow-item{position:relative;padding:25px 28px 20px 0;border-top:1px solid var(--mist)}.flow-item:not(:last-child):after{content:"→";position:absolute;right:18px;top:15px;color:var(--orange);font-size:25px}.flow b{color:var(--orange);font:28px Georgia}.flow h3{color:var(--white);font-size:20px;margin:12px 0 7px}.flow p{font-size:14px;color:#c8d4ca}.risk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.risk{background:var(--sand);padding:24px;border-radius:14px;border:1px solid transparent;transition:.25s}.risk h3{font-size:19px;margin:12px 0 6px}.risk b{color:var(--orange);font:18px monospace}.feedback{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:42px}.feedback p{color:var(--muted)}.note-box{border-left:3px solid var(--orange);padding:15px 20px;background:var(--sand);font-size:14px;color:var(--muted)}.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;background:transparent;color:var(--ink);padding:19px 4px;text-align:left;display:flex;justify-content:space-between;font-weight:700}.faq-q span:last-child{color:var(--orange);font-size:20px}.faq-a{display:none;padding:0 18px 18px;background:var(--sand);color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}.related{display:flex;gap:13px;margin-top:24px}.related a{display:block;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:15px;font-size:14px;flex:1;transition:.2s}.related a:hover{border-color:var(--orange);color:var(--orange)}.site-footer{background:var(--ink);color:#e7eee6;padding:65px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}.footer-brand h2{color:var(--white);font-size:25px}.footer-brand p{color:#b9cabe;font-size:13px}.footer-col h3{color:var(--orange);font:700 15px var(--sans);margin-bottom:15px}.footer-col ul{list-style:none;padding:0;margin:0}.footer-col li{margin:7px 0}.footer-col a{color:#c5d2c7;font-size:13px}.footer-col a:hover{color:var(--orange)}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.18);margin-top:40px;padding-top:17px;color:#a9b9ae;font-size:12px}.mobile-note{display:none}
@media(max-width:1024px){.header-inner{gap:20px}.nav{gap:14px}.nav a{font-size:13px}.principles,.risk-grid{grid-template-columns:repeat(2,1fr)}.banner-inner{align-items:start;flex-direction:column}.banner-note{width:auto}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(100% - 36px,620px)}.site-header{height:70px}.logo{min-width:0;font-size:17px}.logo-mark{width:31px;height:31px}.header-tools{margin-left:auto}.menu-btn{display:block}.nav{display:none;position:fixed;inset:70px 0 0;background:var(--paper);padding:30px 28px;flex-direction:column;align-items:flex-start;gap:0;overflow:auto}.nav.open{display:flex}.nav a{width:100%;padding:15px 0;border-bottom:1px solid var(--line)}.nav a:after{bottom:0}.nav a.active:before{top:15px;left:auto;right:8px}.tool{display:none}h1{font-size:40px}h2{font-size:30px}.section{padding:65px 0}.status-panel{grid-template-columns:1fr}.flow{grid-template-columns:1fr 1fr;gap:15px}.flow-item:not(:last-child):after{display:none}.feedback,.faq-wrap{grid-template-columns:1fr;gap:25px}.article-row{grid-template-columns:125px 1fr}.article-row h3{font-size:19px}.footer-grid{gap:25px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}
@media(max-width:520px){.top-note .container{display:block;text-align:center}.top-note span:last-child{display:none}.principles,.risk-grid,.flow{grid-template-columns:1fr}.article-row{grid-template-columns:1fr}.article-row img{height:190px}.feedback{padding:26px}.related{display:block}.related a{margin-top:10px}.btn{width:100%}.banner{padding:62px 0}h1{font-size:36px}}