/* roulang page: index */
:root{
  --green:#1f5a4b;--green-dark:#153e34;--green-pale:#e9efeb;--ink:#1e2522;
  --muted:#66716c;--paper:#f7f5ef;--sand:#eee8dc;--orange:#c9673d;
  --orange-pale:#f5e3da;--line:#d9ddd4;--white:#fffefa;--radius:16px;
  --shadow:0 16px 38px rgba(46,53,43,.08);--container:1200px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.72}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}.container{width:min(calc(100% - 48px),var(--container));margin:auto}.section{padding:96px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.12em}.eyebrow:before{content:"";width:18px;height:1px;background:currentColor}.section-head{display:flex;justify-content:space-between;align-items:end;gap:26px;margin-bottom:34px}.section-head h2,.intro-title h2{margin:8px 0 0;font-size:36px;line-height:1.28;letter-spacing:-.04em}.section-head p{max-width:470px;margin:0;color:var(--muted)}.btn{min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;transition:.22s ease}.btn:hover{transform:translateY(-2px)}.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(31,90,75,.25);outline-offset:3px}.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 16px rgba(31,90,75,.16)}.btn-primary:hover{background:var(--green-dark)}.btn-ghost{border-color:#b9c6bd;background:rgba(255,255,255,.55);color:var(--green-dark)}.btn-ghost:hover{background:var(--green-pale);border-color:var(--green)}.tag{display:inline-flex;width:max-content;padding:4px 10px;border-radius:99px;background:var(--green-pale);color:var(--green-dark);font-size:12px;font-weight:800}.tag.orange{background:var(--orange-pale);color:#994722}
.site-header{height:76px;display:flex;align-items:center;position:sticky;top:0;z-index:30;background:rgba(247,245,239,.94);border-bottom:1px solid transparent;backdrop-filter:blur(10px)}.site-header.scrolled{border-color:var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{display:flex;align-items:center;flex-shrink:0;gap:10px;font-size:17px;font-weight:900;letter-spacing:-.035em}.seal{width:31px;height:31px;border:2px solid var(--green);border-radius:7px;display:grid;place-items:center;color:var(--green);font-size:15px;line-height:1;font-weight:900}.nav{display:flex;align-items:center;gap:4px}.nav a{padding:10px 9px;font-size:14px;color:#46514c;position:relative;white-space:nowrap}.nav a:hover,.nav a.active{color:var(--green);font-weight:800}.nav a.active:after{content:"";height:2px;position:absolute;left:10px;right:10px;bottom:3px;background:var(--green)}.header-actions{display:flex;align-items:center;gap:10px}.header-actions .btn{min-height:40px;padding:0 15px;font-size:14px}.menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--green);font-size:21px}
.hero{padding:78px 0 60px;overflow:hidden;position:relative}.hero:before{content:"";position:absolute;width:620px;height:620px;right:-180px;top:-190px;border:1px solid rgba(31,90,75,.14);border-radius:50%;box-shadow:0 0 0 34px rgba(31,90,75,.035),0 0 0 68px rgba(31,90,75,.025)}.hero-grid{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:62px;align-items:center}.hero-copy h1{font-size:54px;line-height:1.14;letter-spacing:-.06em;margin:15px 0 20px;max-width:650px}.hero-copy p{max-width:590px;color:#52605a;font-size:18px;margin:0}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.hero-note{margin-top:22px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}.hero-note i{width:7px;height:7px;border-radius:50%;background:var(--green);display:block}.hero-panel{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:var(--shadow);position:relative}.panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.version{font-size:12px;font-weight:800;color:var(--orange);letter-spacing:.08em}.app-screen{background:#f0f3ed;border:1px solid #e0e5dd;border-radius:14px;min-height:345px;padding:21px;position:relative;overflow:hidden}.app-screen:after{content:"";position:absolute;width:200px;height:200px;border:24px solid rgba(31,90,75,.08);border-radius:50%;right:-70px;bottom:-88px}.app-name{font-weight:900;font-size:18px}.app-sub{font-size:12px;color:var(--muted)}.screen-card{background:#fffefa;border:1px solid #dde3db;border-radius:11px;padding:13px;margin-top:16px;position:relative;z-index:1}.screen-card strong{font-size:14px}.screen-card p{font-size:12px;margin:4px 0 0;color:var(--muted)}.screen-links{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px;position:relative;z-index:1}.screen-link{padding:11px;border-radius:9px;background:var(--green);color:white;font-size:12px;font-weight:800}.screen-link:last-child{background:#dce7df;color:var(--green-dark)}.qr-box{position:absolute;right:34px;bottom:31px;z-index:2;width:86px;height:86px;border:1px dashed #a9b5ac;border-radius:9px;background:rgba(255,254,250,.9);display:grid;place-items:center;text-align:center;padding:8px;font-size:11px;line-height:1.45;color:var(--muted)}
.stats{padding:17px 0;background:var(--green-dark);color:#fff}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}.stat{padding:11px 27px;border-left:1px solid rgba(255,255,255,.2)}.stat:first-child{border:0}.stat b{display:block;font-size:25px;line-height:1.2;letter-spacing:-.04em}.stat span{font-size:13px;color:#cddbd3}
.overview-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px}.intro-title p{color:var(--muted);max-width:355px}.overview-items{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.overview-item{min-height:160px;padding:22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.28)}.overview-icon{width:34px;height:34px;border-radius:9px;background:var(--green-pale);display:grid;place-items:center;color:var(--green);font-weight:900}.overview-item h3{font-size:18px;margin:15px 0 5px}.overview-item p{font-size:14px;color:var(--muted);margin:0}
.service-area{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.service-card{border:1px solid var(--line);border-left:4px solid var(--green);border-radius:14px;padding:24px;min-height:180px;background:var(--white);transition:.25s}.service-card:hover{background:#f1f5f1;transform:translateY(-3px);box-shadow:0 12px 24px rgba(31,50,39,.07)}.service-num{font-size:12px;color:var(--orange);font-weight:900;letter-spacing:.12em}.service-card h3{font-size:21px;margin:11px 0 7px}.service-card p{font-size:14px;color:var(--muted);margin:0;max-width:420px}.arrow{float:right;color:var(--green);font-size:22px;font-weight:700}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);position:relative}.timeline:before{content:"";position:absolute;top:26px;left:8%;right:8%;border-top:1px solid var(--line)}.step{position:relative;padding:0 20px 0 0}.step-mark{width:53px;height:53px;background:var(--paper);border:1px solid var(--green);border-radius:12px;display:grid;place-items:center;color:var(--green);font-weight:900;position:relative;z-index:1}.step h3{font-size:17px;margin:18px 0 5px}.step p{margin:0;color:var(--muted);font-size:14px}
.download-section{padding:20px 0}.download-wrap{padding:56px 62px;background:var(--green-dark);color:#fff;border-radius:20px;display:grid;grid-template-columns:1fr .95fr;gap:55px;position:relative;overflow:hidden}.download-wrap:after{content:"壹";position:absolute;right:25%;bottom:-155px;font-size:430px;font-weight:900;color:rgba(255,255,255,.035);line-height:1}.download-wrap .eyebrow{color:#dcebe2}.download-wrap h2{font-size:37px;line-height:1.28;margin:10px 0}.download-wrap p{max-width:520px;color:#ccdbd1}.compatibility{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.compatibility span{border:1px solid rgba(255,255,255,.25);border-radius:20px;padding:4px 10px;font-size:12px;color:#dfe9e3}.download-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.download-wrap .btn-primary{background:#fff;color:var(--green-dark)}.download-wrap .btn-primary:hover{background:#edf2ed}.download-wrap .btn-ghost{border-color:rgba(255,255,255,.4);color:#fff;background:transparent}.download-qr{width:76px;height:76px;border-radius:10px;border:1px dashed rgba(255,255,255,.55);display:grid;place-items:center;text-align:center;font-size:11px;line-height:1.35;color:#d9e7df}.phones{height:280px;position:relative;z-index:1}.phone{position:absolute;width:160px;height:275px;border:7px solid #17231e;border-radius:25px;background:#f5f6f0;box-shadow:0 16px 24px rgba(0,0,0,.23);padding:19px 11px}.phone.one{right:146px;top:18px;transform:rotate(-8deg)}.phone.two{right:0;top:0;transform:rotate(7deg)}.phone-notch{width:52px;height:8px;background:#17231e;border-radius:0 0 8px 8px;position:absolute;top:0;left:50%;transform:translateX(-50%)}.phone small{display:block;margin-top:12px;color:#637068;font-size:9px}.phone h4{font-size:12px;margin:4px 0}.phone-line{height:9px;border-radius:5px;background:#dce5dd;margin:9px 0}.phone-line.green{width:70%;background:var(--green)}.phone.feed-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:42px;align-items:start}.guide-index{border-top:1px solid var(--line)}.guide-index a{display:flex;gap:16px;align-items:center;padding:18px 4px;border-bottom:1px solid var(--line);font-size:15px;font-weight:800;transition:.2s}.guide-index a:hover{color:var(--green);padding-left:8px}.guide-index b{color:var(--orange);font-size:13px;letter-spacing:.08em}.guide-feature{border:1px solid var(--line);border-radius:18px;background:var(--white);padding:28px;min-height:310px;position:relative;overflow:hidden}.guide-feature:before{content:"";width:190px;height:190px;border-radius:50%;background:var(--green-pale);position:absolute;right:-55px;top:-65px}.guide-feature .tag,.guide-feature h3,.guide-feature p,.guide-feature .btn{position:relative}.guide-feature h3{font-size:26px;line-height:1.35;max-width:470px;margin:15px 0 10px}.guide-feature p{max-width:490px;color:var(--muted);margin-bottom:23px}.guide-graphic{position:absolute;right:36px;bottom:26px;width:145px;height:94px;border:1px solid #b9cbc0;border-radius:11px;background:linear-gradient(135deg,#f9faf5,#dfe9e1)}.guide-graphic:before,.guide-graphic:after{content:"";position:absolute;background:var(--green);border-radius:99px}.guide-graphic:before{height:8px;width:72px;left:20px;top:25px}.guide-graphic:after{height:8px;width:48px;left:20px;top:46px;background:#aac1b3}
.news-section{background:#edf1ec}.news-list{border-top:1px solid var(--line)}.news-row{display:grid;grid-template-columns:93px 1fr auto;gap:22px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line);transition:.2s}.news-row:hover{padding-left:8px}.news-row:hover h3{color:var(--green)}.news-date{width:70px;height:66px;border:1px solid #c8d4ca;border-radius:11px;background:var(--white);display:flex;flex-direction:column;justify-content:center;align-items:center;color:var(--green)}.news-date b{font-size:19px;line-height:1}.news-date span{font-size:11px;margin-top:3px}.news-content h3{font-size:18px;line-height:1.4;margin:0 0 5px;transition:.2s;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.news-content p{font-size:14px;line-height:1.6;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.news-meta{display:flex;align-items:center;gap:14px}.news-arrow{font-size:22px;color:var(--green)}.empty-state{padding:46px 20px;text-align:center;border:1px dashed #b9c8bd;border-radius:16px;background:rgba(255,255,255,.55);color:var(--muted)}.empty-icon{width:48px;height:57px;border:2px solid #9aac9e;border-radius:8px;margin:0 auto 13px;position:relative}.empty-icon:after{content:"";position:absolute;left:10px;right:10px;top:18px;border-top:2px solid #9aac9e;box-shadow:0 10px 0 #9aac9e}.center-action{text-align:center;margin-top:28px}
.focus-wrap{display:grid;grid-template-columns:180px 1fr auto;gap:36px;align-items:center;padding:38px 42px;background:var(--sand);border:1px solid #e1d9ca;border-radius:18px}.focus-date{color:var(--orange);font-size:16px;font-weight:900;letter-spacing:.09em}.focus-date strong{display:block;font-size:52px;line-height:1;margin-top:4px}.focus-copy h2{font-size:28px;line-height:1.3;margin:10px 0}.focus-copy p{color:#687069;margin:0;max-width:650px}
.security-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}.shield-panel{min-height:350px;border:1px solid var(--line);border-radius:18px;background:var(--green-pale);position:relative;display:grid;place-items:center;overflow:hidden}.shield-panel:before{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(31,90,75,.16);transform:rotate(45deg);border-radius:30px}.shield{width:116px;height:137px;border:5px solid var(--green);border-radius:56px 56px 42px 42px;position:relative;z-index:1}.shield:before{content:"";position:absolute;width:42px;height:21px;border-left:5px solid var(--green);border-bottom:5px solid var(--green);transform:rotate(-45deg);left:31px;top:47px}.security-list{border-top:1px solid var(--line)}.security-item{border-bottom:1px solid var(--line)}.security-trigger{width:100%;padding:20px 0;border:0;background:transparent;text-align:left;display:flex;justify-content:space-between;align-items:center;font-weight:900;color:var(--ink);font-size:16px}.security-trigger span:last-child{color:var(--green);font-size:20px}.security-answer{display:none;padding:0 30px 18px 0;color:var(--muted);font-size:14px}.security-item.open .security-answer{display:block}.security-item.open .security-trigger span:last-child{transform:rotate(45deg)}
.cooperation{background:var(--white);border-top:1px solid var(--line)}.coop-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:58px;align-items:start}.coop-copy h2{font-size:35px;line-height:1.3;margin:10px 0}.coop-copy p{color:var(--muted);max-width:420px}.coop-list{list-style:none;padding:0;margin:25px 0}.coop-list li{padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}.coop-list li:before{content:"✓";color:var(--green);font-weight:900;margin-right:10px}.consult-form{border:1px solid var(--line);border-radius:17px;padding:26px;background:var(--paper)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:13px}.field{margin-bottom:13px}.field label{display:block;font-size:13px;font-weight:800;margin-bottom:6px}.field input,.field textarea{width:100%;border:1px solid #cbd4cc;border-radius:10px;padding:11px 13px;background:#fffefa;color:var(--ink);transition:.2s}.field input{height:48px}.field textarea{height:88px;resize:vertical}.field input:focus,.field textarea:focus{border-color:var(--green);background:#fff}.privacy{font-size:12px;color:var(--muted);margin:11px 0 0}
.support-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-bottom:43px}.support-card{border:1px solid var(--line);border-radius:13px;padding:21px;background:var(--white)}.support-card b{display:block;color:var(--green);font-size:14px}.support-card span{display:block;margin-top:8px;font-size:14px;color:var(--muted)}.faq-wrap{max-width:900px;margin:auto}.faq-item{border-bottom:1px solid var(--line)}.faq-question{background:transparent;border:0;width:100%;text-align:left;padding:19px 0;display:flex;justify-content:space-between;align-items:center;font-weight:900;font-size:16px;color:var(--ink)}.faq-symbol{font-size:23px;font-weight:400;color:var(--green)}.faq-answer{display:none;padding:0 38px 20px 0;color:var(--muted);font-size:15px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-symbol:after{content:"−"}.faq-item.open .faq-symbol{font-size:0}.faq-item.open .faq-symbol:after{font-size:23px}
.closing{padding-top:24px}.closing-card{border:1px solid var(--line);border-radius:20px;padding:42px 48px;background:var(--green-pale);display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}.closing-card:after{content:"壹";position:absolute;right:28px;bottom:-138px;font-size:330px;line-height:1;font-weight:900;color:rgba(31,90,75,.055)}.closing-card h2{font-size:32px;line-height:1.35;margin:0 0 8px;position:relative}.closing-card p{margin:0;color:var(--muted);position:relative}.closing-actions{display:flex;gap:11px;position:relative;z-index:1;flex-shrink:0}
.site-footer{margin-top:96px;background:#1b2e27;color:#d8e0da;padding:60px 0 18px}.footer-grid{display:grid;grid-template-columns:1.25fr .8fr .8fr 1fr;gap:35px}.footer-brand .brand{color:#fff;margin-bottom:15px}.footer-brand .seal{color:#dbece2;border-color:#dbece2}.footer-brand p{font-size:14px;line-height:1.7;color:#aec0b5;max-width:275px}.footer-col h3{color:#fff;font-size:14px;margin:5px 0 13px}.footer-col a{display:block;color:#aec0b5;font-size:13px;padding:4px 0}.footer-col a:hover{color:#fff}.footer-qr{width:74px;height:74px;border:1px dashed rgba(255,255,255,.4);border-radius:9px;display:grid;place-items:center;text-align:center;font-size:11px;line-height:1.35;color:#b9c9bf}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding-top:17px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#91a59a;font-size:12px}.footer-bottom a:hover{color:#fff}
@media(max-width:1100px){.nav{gap:0}.nav a{padding:10px 6px;font-size:13px}.hero-grid,.download-wrap,.security-grid,.coop-grid{gap:38px}.hero-copy h1{font-size:47px}.phones{transform:scale(.9);transform-origin:right center}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}}
@media(max-width:860px){.nav{display:none}.menu-btn{display:block}.header-actions .btn{display:none}.mobile-nav{display:none;position:absolute;top:76px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:14px 24px 20px;box-shadow:0 12px 20px rgba(25,35,29,.08)}.mobile-nav.show{display:grid}.mobile-nav a{padding:12px 0;border-bottom:1px solid var(--line);font-weight:800;color:#46514c}.hero{padding-top:54px}.hero-grid,.overview-grid,.feed-layout,.download-wrap,.security-grid,.coop-grid{grid-template-columns:1fr}.hero-copy h1{font-size:45px}.hero-panel{max-width:570px}.overview-grid{gap:32px}.download-wrap{padding:42px}.phones{display:none}.timeline{grid-template-columns:1fr 1fr;gap:27px}.timeline:before{display:none}.support-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.focus-wrap{grid-template-columns:130px 1fr}.focus-wrap .btn{grid-column:2}.section{padding:74px 0}}
@media(max-width:560px){.container{width:min(calc(100% - 32px),var(--container))}.site-header{height:67px}.mobile-nav{top:67px}.brand{font-size:15px}.seal{width:28px;height:28px}.hero{padding:42px 0}.hero-copy h1{font-size:34px}.hero-copy p{font-size:16px}.hero-actions,.closing-actions{width:100%;flex-direction:column}.hero-actions .btn,.closing-actions .btn{width:100%}.app-screen{min-height:300px}.stats-grid{grid-template-columns:1fr 1fr}.stat{border-left:0;padding:13px;border-bottom:1px solid rgba(255,255,255,.18)}.stat:nth-last-child(-n+2){border-bottom:0}.section{padding:58px 0}.section-head{display:block;margin-bottom:25px}.section-head h2,.intro-title h2{font-size:28px}.section-head p{margin-top:12px}.overview-items,.service-grid{grid-template-columns:1fr}.overview-item{min-height:auto}.timeline{grid-template-columns:1fr;gap:13px}.step{display:grid;grid-template-columns:55px 1fr;column-gap:15px}.step h3{margin:4px 0}.step p{grid-column:2}.download-wrap{padding:33px 24px}.download-wrap h2{font-size:29px}.guide-feature{padding:22px;min-height:330px}.guide-feature h3{font-size:23px}.guide-graphic{right:22px}.news-row{grid-template-columns:67px 1fr;gap:12px}.news-date{width:58px;height:58px}.news-meta{grid-column:2;justify-content:space-between}.focus-wrap{grid-template-columns:1fr;padding:27px}.focus-wrap .btn{grid-column:auto}.focus-copy h2{font-size:24px}.support-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.closing-card{padding:31px 25px;display:block}.closing-card h2{font-size:27px}.closing-actions{margin-top:23px}.site-footer{margin-top:58px;padding-top:43px}.footer-grid{grid-template-columns:1fr 1fr;gap:27px}.footer-brand{grid-column:1/-1}}

/* roulang page: article */
:root{
  --green:#1f5a4b;--green-dark:#153e34;--green-pale:#e9efeb;--ink:#1e2522;
  --muted:#66716c;--paper:#f7f5ef;--sand:#eee8dc;--orange:#c9673d;
  --orange-pale:#f5e3da;--line:#d9ddd4;--white:#fffefa;--radius:16px;
  --shadow:0 16px 38px rgba(46,53,43,.08);--container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.72}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.section{padding:54px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.1em}
.eyebrow:before{content:"";width:18px;height:1px;background:currentColor}
.btn{min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;transition:.22s ease}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(31,90,75,.25);outline-offset:3px}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 16px rgba(31,90,75,.16)}
.btn-primary:hover{background:var(--green-dark)}
.btn-ghost{border-color:#b9c6bd;background:rgba(255,255,255,.55);color:var(--green-dark)}
.btn-ghost:hover{background:var(--green-pale);border-color:var(--green)}
.tag{display:inline-flex;width:max-content;padding:4px 10px;border-radius:99px;background:var(--green-pale);color:var(--green-dark);font-size:12px;font-weight:800}
.tag.orange{background:var(--orange-pale);color:#994722}
.site-header{height:76px;display:flex;align-items:center;position:sticky;top:0;z-index:30;background:rgba(247,245,239,.94);border-bottom:1px solid transparent;backdrop-filter:blur(10px)}
.site-header.scrolled{border-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
.brand{display:flex;align-items:center;flex-shrink:0;gap:10px;font-size:17px;font-weight:900;letter-spacing:-.035em}
.seal{width:31px;height:31px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--green);border-radius:7px;color:#fff;background:var(--green);font-size:16px;line-height:1}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:10px 9px;font-size:14px;color:#46514c;position:relative;white-space:nowrap}
.nav a:hover,.nav a.active{color:var(--green);font-weight:800}
.nav a.active:after{content:"";height:2px;position:absolute;left:10px;right:10px;bottom:3px;background:var(--green)}
.header-actions{display:flex;align-items:center;gap:10px}
.header-actions .btn{min-height:40px;padding:0 15px;font-size:14px}
.menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--green);font-size:21px}
.article-crumb{padding:30px 0 21px;border-bottom:1px solid var(--line)}
.crumb-list{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0;padding:0;list-style:none;font-size:13px;color:var(--muted)}
.crumb-list li+li:before{content:"/";margin-right:8px;color:#9ba49f}
.crumb-list a:hover{color:var(--green)}
.article-heading{padding:48px 0 44px;position:relative}
.article-heading:after{content:"";position:absolute;width:240px;height:240px;border:1px solid rgba(31,90,75,.12);border-radius:50%;right:5%;top:15px;pointer-events:none}
.article-heading-inner{max-width:930px;position:relative;z-index:1}
.article-heading h1{margin:16px 0 19px;max-width:900px;font-size:48px;line-height:1.22;letter-spacing:-.055em;font-weight:900}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 20px;color:var(--muted);font-size:14px}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta span:before{content:"";width:5px;height:5px;border-radius:50%;background:#a4afa8}
.article-meta span:first-child:before{display:none}
.summary-section{padding:0 0 30px}
.summary-card{max-width:900px;padding:26px 30px;border-left:4px solid var(--orange);border-radius:0 14px 14px 0;background:var(--sand);color:#4d5651}
.summary-card strong{display:block;margin-bottom:7px;color:var(--ink);font-size:15px}
.summary-card p{margin:0;font-size:16px;line-height:1.85}
.reading-section{padding:40px 0 76px}
.reading-grid{display:grid;grid-template-columns:minmax(0,790px) 280px;justify-content:space-between;gap:70px}
.article-body{min-width:0;font-size:17px;line-height:1.95;color:#303a35}
.article-body>*:first-child{margin-top:0}
.article-body h2{margin:54px 0 19px;color:var(--ink);font-size:30px;line-height:1.35;letter-spacing:-.035em}
.article-body h3{margin:36px 0 14px;color:var(--ink);font-size:22px;line-height:1.45}
.article-body p{margin:0 0 22px}
.article-body ul,.article-body ol{margin:0 0 24px;padding-left:1.4em}
.article-body li{margin:8px 0;padding-left:4px}
.article-body blockquote{margin:28px 0;padding:18px 23px;border-left:3px solid var(--green);border-radius:0 12px 12px 0;background:var(--green-pale);color:#3e5148}
.article-body img{margin:30px auto;border:1px solid var(--line);border-radius:11px}
.article-body table{width:100%;margin:28px 0;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:15px}
.article-body th,.article-body td{padding:13px 15px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--green-pale);color:var(--green-dark)}
.article-body tr:last-child td{border-bottom:0}
.article-body th:last-child,.article-body td:last-child{border-right:0}
.article-body a{color:var(--green);font-weight:700;text-decoration:underline;text-decoration-color:rgba(31,90,75,.35);text-underline-offset:4px}
.article-aside{align-self:start;position:sticky;top:99px}
.info-card{padding:23px;border:1px solid var(--line);border-radius:16px;background:var(--white);box-shadow:0 10px 26px rgba(46,53,43,.045)}
.info-card h2{margin:0 0 17px;font-size:18px;font-weight:900}
.info-list{padding:0;margin:0;list-style:none}
.info-list li{padding:12px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.info-list li strong{display:block;margin-bottom:2px;color:var(--ink);font-size:13px}
.aside-download{margin-top:15px;padding:18px;border-radius:14px;background:var(--green-dark);color:#fff}
.aside-download .tag{background:rgba(255,255,255,.15);color:#fff}
.aside-download h3{margin:10px 0 5px;font-size:18px}
.aside-download p{margin:0 0 13px;color:#d7e3dc;font-size:13px;line-height:1.6}
.aside-download .btn{width:100%;min-height:42px;background:#fff;color:var(--green-dark);font-size:14px}
.notice-section{padding:0 0 64px}
.reading-note{display:grid;grid-template-columns:42px 1fr;gap:15px;max-width:790px;padding:21px 23px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.5)}
.note-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:var(--orange-pale);color:#a74f29;font-weight:900}
.reading-note h2{margin:0 0 4px;font-size:17px}
.reading-note p{margin:0;color:var(--muted);font-size:14px}
.related-section{padding:70px 0;background:#edf1ec;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:26px;margin-bottom:30px}
.section-head h2{margin:8px 0 0;font-size:34px;line-height:1.28;letter-spacing:-.04em}
.section-head p{max-width:450px;margin:0;color:var(--muted);font-size:15px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-card{display:flex;flex-direction:column;min-height:232px;padding:23px;border:1px solid var(--line);border-radius:15px;background:var(--white);transition:.22s ease}
.related-card:hover{transform:translateY(-3px);border-color:#a6b8ac;box-shadow:var(--shadow)}
.related-card .date{margin-top:16px;color:var(--muted);font-size:13px}
.related-card h3{margin:11px 0 8px;font-size:19px;line-height:1.45;letter-spacing:-.02em}
.related-card p{display:-webkit-box;margin:0;color:var(--muted);font-size:14px;line-height:1.7;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
.related-card .card-link{margin-top:auto;padding-top:16px;color:var(--green);font-size:14px;font-weight:800}
.return-section{padding:38px 0}
.return-bar{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:20px 24px;border:1px solid var(--line);border-radius:15px;background:var(--white)}
.return-bar p{margin:0;color:var(--muted);font-size:14px}
.return-actions{display:flex;flex-wrap:wrap;gap:10px}
.return-actions .btn{min-height:42px;padding:0 16px;font-size:14px}
.article-download{padding:0 0 88px}
.download-mini{position:relative;overflow:hidden;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;padding:32px 36px;border-radius:19px;background:var(--green-dark);color:#fff}
.download-mini:after{content:"壹";position:absolute;right:19px;bottom:-52px;color:rgba(255,255,255,.06);font-size:210px;font-weight:900;line-height:1}
.download-mini .eyebrow{color:#cce0d5}
.download-mini h2{margin:9px 0 8px;font-size:29px;letter-spacing:-.04em}
.download-mini p{max-width:620px;margin:0;color:#d2e0d8;font-size:15px}
.download-mini-actions{display:flex;align-items:center;gap:13px;position:relative;z-index:1}
.qr-mini{width:78px;height:78px;display:grid;place-items:center;border:1px dashed rgba(255,255,255,.5);border-radius:9px;color:#dbe8e0;text-align:center;font-size:12px;line-height:1.4}
.download-mini .btn-primary{background:#fff;color:var(--green-dark);white-space:nowrap}
.download-mini .btn-primary:hover{background:#e8f0eb}
.site-footer{padding:62px 0 22px;background:#173b32;color:#d9e5dd}
.footer-grid{display:grid;grid-template-columns:1.55fr .8fr .8fr .75fr;gap:38px;padding-bottom:42px}
.footer-brand .brand{color:#fff}
.footer-brand p{max-width:315px;margin:17px 0 0;color:#aebfb5;font-size:14px}
.footer-col h3{margin:1px 0 15px;color:#fff;font-size:15px}
.footer-col a{display:block;margin:8px 0;color:#b9c9c0;font-size:14px;transition:.2s}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-qr{width:90px;height:90px;display:grid;place-items:center;border:1px dashed rgba(255,255,255,.32);border-radius:9px;text-align:center;color:#b9c9c0;font-size:12px;line-height:1.45}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);color:#91a69b;font-size:13px}
.footer-bottom a:hover{color:#fff}
.mobile-nav{display:none}
@media(max-width:1100px){
  .nav{gap:0}.nav a{padding:10px 6px;font-size:13px}
  .brand{font-size:15px}
  .reading-grid{gap:38px;grid-template-columns:minmax(0,1fr) 250px}
}
@media(max-width:900px){
  .nav{display:none}.header-actions .btn{display:none}.menu-btn{display:block}
  .mobile-nav{display:none;position:fixed;inset:76px 0 auto;background:var(--paper);padding:18px 24px 28px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);z-index:25}
  .mobile-nav.open{display:grid}
  .mobile-nav a{padding:12px 0;border-bottom:1px solid var(--line);font-weight:800;color:#425049}
  .mobile-nav a:last-child{border-bottom:0}
  .article-heading h1{font-size:40px}
  .reading-grid{grid-template-columns:1fr}
  .article-aside{position:static;display:grid;grid-template-columns:1fr 1fr;gap:15px}
  .aside-download{margin-top:0}
  .related-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
  .footer-col:last-child{grid-column:1}
}
@media(max-width:768px){
  .container{width:min(calc(100% - 32px),var(--container))}
  .section{padding:42px 0}
  .article-crumb{padding:22px 0 16px}
  .article-heading{padding:34px 0 31px}
  .article-heading h1{font-size:33px;line-height:1.3}
  .summary-card{padding:21px 20px}
  .reading-section{padding:28px 0 48px}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{margin-top:40px;font-size:26px}
  .article-body h3{font-size:20px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .article-aside{grid-template-columns:1fr}
  .section-head{display:block;margin-bottom:24px}
  .section-head h2{font-size:29px}
  .section-head p{margin-top:10px}
  .related-grid{grid-template-columns:1fr}
  .return-bar{align-items:flex-start;flex-direction:column}
  .download-mini{grid-template-columns:1fr;padding:27px 24px}
  .download-mini h2{font-size:25px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
  .site-header{height:68px}.mobile-nav{inset:68px 0 auto}
  .brand{font-size:14px;gap:8px}.seal{width:29px;height:29px}
  .article-heading h1{font-size:30px;letter-spacing:-.045em}
  .article-meta{gap:7px 13px;font-size:13px}
  .summary-card p{font-size:15px}
  .article-body h2{font-size:24px}
  .reading-note{grid-template-columns:34px 1fr;padding:18px}
  .note-mark{width:34px;height:34px}
  .return-actions{width:100%}.return-actions .btn{flex:1;padding:0 11px}
  .download-mini-actions{align-items:flex-start;flex-direction:column}
  .download-mini .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:23px}
  .footer-col:last-child{grid-column:auto}
  .footer-bottom{display:block;line-height:2}
}

/* roulang page: category1 */
:root{
      --green:#1f5a4b;--green-dark:#153e34;--green-pale:#e9efeb;--ink:#1e2522;
      --muted:#66716c;--paper:#f7f5ef;--sand:#eee8dc;--orange:#c9673d;
      --orange-pale:#f5e3da;--line:#d9ddd4;--white:#fffefa;--radius:16px;
      --shadow:0 16px 38px rgba(46,53,43,.08);--container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--paper);color:var(--ink);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      font-size:16px;line-height:1.72;
    }
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(calc(100% - 48px),var(--container));margin:auto}
    .section{padding:92px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:18px;height:1px;background:currentColor}
    .btn{
      min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:12px;
      display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;transition:.22s ease;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,button:focus-visible{
      outline:3px solid rgba(31,90,75,.25);outline-offset:3px;
    }
    .btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 16px rgba(31,90,75,.16)}
    .btn-primary:hover{background:var(--green-dark)}
    .btn-ghost{border-color:#b9c6bd;background:rgba(255,255,255,.55);color:var(--green-dark)}
    .btn-ghost:hover{background:var(--green-pale);border-color:var(--green)}
    .tag{
      display:inline-flex;width:max-content;padding:4px 10px;border-radius:99px;
      background:var(--green-pale);color:var(--green-dark);font-size:12px;font-weight:800;line-height:1.4;
    }
    .tag.orange{background:var(--orange-pale);color:#994722}
    .site-header{
      height:76px;display:flex;align-items:center;position:sticky;top:0;z-index:30;
      background:rgba(247,245,239,.94);border-bottom:1px solid transparent;backdrop-filter:blur(10px);
    }
    .site-header.scrolled{border-color:var(--line)}
    .header-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .brand{display:flex;align-items:center;flex-shrink:0;gap:10px;font-size:17px;font-weight:900;letter-spacing:-.035em}
    .seal{
      width:31px;height:31px;display:inline-flex;align-items:center;justify-content:center;
      background:var(--green);color:#fff;border-radius:8px;font-size:16px;line-height:1;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.28);
    }
    .nav{display:flex;align-items:center;gap:4px}
    .nav a{padding:10px 9px;font-size:14px;color:#46514c;position:relative;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--green);font-weight:800}
    .nav a.active:after{content:"";height:2px;position:absolute;left:10px;right:10px;bottom:3px;background:var(--green)}
    .header-actions{display:flex;align-items:center;gap:10px}
    .header-actions .btn{min-height:40px;padding:0 15px;font-size:14px}
    .menu-btn{
      display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
      background:transparent;color:var(--green);font-size:21px;line-height:1;
    }
    .page-intro{
      padding:66px 0 44px;position:relative;overflow:hidden;border-bottom:1px solid var(--line);
      background:
        linear-gradient(90deg,rgba(31,90,75,.035) 1px,transparent 1px),
        linear-gradient(rgba(31,90,75,.035) 1px,transparent 1px),
        var(--paper);
      background-size:42px 42px;
    }
    .page-intro:after{
      content:"壹";position:absolute;right:7%;top:-76px;font-size:300px;font-weight:900;
      color:rgba(31,90,75,.04);line-height:1;pointer-events:none;
    }
    .breadcrumbs{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:13px;margin-bottom:25px}
    .breadcrumbs span{color:#9aa29d}
    .breadcrumbs strong{font-weight:700;color:var(--green)}
    .intro-row{position:relative;z-index:1;display:flex;align-items:flex-end;justify-content:space-between;gap:32px}
    .intro-row h1{margin:10px 0 0;font-size:48px;line-height:1.16;letter-spacing:-.06em}
    .intro-row p{max-width:680px;margin:0;color:#52605a;font-size:17px}
    .updated-box{
      min-width:190px;padding:16px 18px;background:rgba(255,254,250,.74);border:1px solid var(--line);
      border-radius:12px;color:var(--muted);font-size:13px;
    }
    .updated-box strong{display:block;color:var(--green-dark);font-size:15px;margin-top:3px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:26px;margin-bottom:32px}
    .section-head h2{margin:8px 0 0;font-size:34px;line-height:1.28;letter-spacing:-.04em}
    .section-head p{max-width:490px;margin:0;color:var(--muted)}
    .focus-section{padding-top:66px}
    .focus-card{
      display:grid;grid-template-columns:235px 1fr;overflow:hidden;border:1px solid var(--line);
      border-radius:20px;background:var(--white);box-shadow:var(--shadow);
    }
    .focus-date{
      padding:34px 28px;background:var(--sand);display:flex;flex-direction:column;justify-content:space-between;
      border-right:1px solid var(--line);min-height:265px;
    }
    .focus-date .month{color:var(--orange);font-size:15px;font-weight:900;letter-spacing:.08em}
    .focus-date .day{font-size:68px;line-height:1;font-weight:900;color:var(--green-dark);letter-spacing:-.08em}
    .focus-date small{color:var(--muted);font-size:13px}
    .focus-content{padding:34px 38px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
    .focus-content h2{font-size:29px;line-height:1.35;letter-spacing:-.04em;margin:14px 0 12px}
    .focus-content p{max-width:720px;margin:0 0 23px;color:var(--muted)}
    .filter-section{padding:30px 0;background:#edf1ec;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .filter-bar{display:flex;align-items:center;justify-content:space-between;gap:22px}
    .filter-title{font-weight:900;color:var(--green-dark);white-space:nowrap}
    .filter-options{display:flex;flex-wrap:wrap;gap:9px;justify-content:flex-end}
    .filter-option{
      padding:8px 13px;border:1px solid var(--line);border-radius:99px;background:rgba(255,255,255,.55);
      color:#52605a;font-size:13px;font-weight:700;transition:.2s;
    }
    .filter-option:hover,.filter-option.current{background:var(--green);border-color:var(--green);color:#fff}
    .news-section{padding-top:82px}
    .news-list{border-top:1px solid var(--line)}
    .news-row{
      display:grid;grid-template-columns:112px minmax(0,1fr) 130px 28px;gap:24px;align-items:center;
      padding:24px 14px;border-bottom:1px solid var(--line);transition:.22s ease;
    }
    .news-row:hover{background:rgba(255,255,255,.6);padding-left:22px;border-color:#b7c5ba}
    .news-date{font-size:14px;color:var(--green-dark);font-weight:900}
    .news-main{min-width:0}
    .news-main h3{
      margin:0 0 6px;font-size:19px;line-height:1.38;letter-spacing:-.025em;
      overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
    }
    .news-row:hover .news-main h3{color:var(--green)}
    .news-main p{
      margin:0;color:var(--muted);font-size:14px;line-height:1.65;
      overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
    }
    .news-meta{display:flex;flex-direction:column;align-items:flex-start;gap:8px}
    .news-arrow{color:var(--green);font-size:23px;font-weight:700;text-align:right}
    .empty-state{
      padding:52px 24px;text-align:center;border:1px dashed #bbc6bd;border-top:0;background:rgba(255,255,255,.38);
      color:var(--muted);
    }
    .empty-icon{
      width:44px;height:50px;margin:0 auto 12px;border:2px solid #a3b6a9;border-radius:7px;
      position:relative;
    }
    .empty-icon:after{content:"";position:absolute;left:9px;right:9px;top:16px;height:2px;background:#a3b6a9;box-shadow:0 8px 0 #a3b6a9}
    .update-section{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .version-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:58px;align-items:start}
    .version-intro{padding-top:8px}
    .version-intro h2{margin:10px 0 12px;font-size:34px;line-height:1.3;letter-spacing:-.04em}
    .version-intro p{margin:0;color:var(--muted)}
    .timeline{position:relative;padding-left:28px;border-left:1px solid #c9d5cc}
    .timeline-item{position:relative;padding:0 0 31px 22px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:before{
      content:"";position:absolute;left:-35px;top:7px;width:13px;height:13px;border:3px solid var(--white);
      border-radius:50%;background:var(--green);box-shadow:0 0 0 1px var(--green);
    }
    .timeline-item.orange:before{background:var(--orange);box-shadow:0 0 0 1px var(--orange)}
    .timeline-item time{font-size:13px;font-weight:900;color:var(--green)}
    .timeline-item h3{font-size:19px;margin:5px 0 4px}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .notice-section{padding:70px 0}
    .notice-card{
      display:grid;grid-template-columns:92px 1fr auto;align-items:center;gap:28px;padding:28px 32px;
      border:1px solid #e5c6b7;border-radius:18px;background:#fff9f5;
    }
    .notice-mark{
      width:72px;height:72px;border-radius:14px;background:var(--orange-pale);color:#9d4c29;
      display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:900;
    }
    .notice-card h2{font-size:23px;margin:0 0 5px}
    .notice-card p{margin:0;color:#6d655d;font-size:14px}
    .notice-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:13px}
    .notice-list span{font-size:13px;color:#7b553f}
    .notice-list span:before{content:"·";margin-right:6px;color:var(--orange);font-weight:900}
    .more-section{padding:0 0 96px}
    .more-card{
      position:relative;overflow:hidden;padding:42px 48px;border-radius:20px;background:var(--green-dark);color:#fff;
      display:flex;align-items:center;justify-content:space-between;gap:28px;
    }
    .more-card:before{
      content:"";position:absolute;width:250px;height:250px;border:1px solid rgba(255,255,255,.18);border-radius:50%;
      right:-58px;top:-125px;box-shadow:0 0 0 30px rgba(255,255,255,.035);
    }
    .more-card h2{position:relative;margin:0;font-size:29px;letter-spacing:-.04em}
    .more-card p{position:relative;margin:6px 0 0;color:#c9d9cf}
    .more-card .btn{position:relative;background:#fff;color:var(--green-dark);flex-shrink:0}
    .more-card .btn:hover{background:#edf2ed}
    .site-footer{background:#1b312a;color:#dbe5df;padding:62px 0 0}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr .8fr;gap:42px;padding-bottom:43px}
    .footer-brand .brand{color:#fff;font-size:18px;margin-bottom:15px}
    .footer-brand .seal{background:#e4ede7;color:var(--green-dark)}
    .footer-brand p{max-width:300px;margin:0;color:#b3c4bb;font-size:14px}
    .footer-col h3{color:#fff;font-size:15px;margin:2px 0 14px}
    .footer-col a{display:block;width:max-content;color:#b9c8c0;font-size:14px;margin:8px 0;transition:.2s}
    .footer-col a:hover{color:#fff;transform:translateX(3px)}
    .footer-qr{
      width:91px;height:91px;border:1px dashed rgba(255,255,255,.45);border-radius:9px;
      display:flex;align-items:center;justify-content:center;text-align:center;line-height:1.5;font-size:12px;color:#dce8e1;
    }
    .footer-bottom{
      min-height:66px;border-top:1px solid rgba(255,255,255,.14);display:flex;align-items:center;
      justify-content:space-between;gap:18px;color:#91a89d;font-size:13px;
    }
    .footer-bottom a{color:#b7c8be}
    .footer-bottom a:hover{color:#fff}
    @media (max-width:1100px){
      .nav{gap:0}.nav a{font-size:13px;padding:10px 7px}
      .brand{font-size:15px}.header-actions .btn{padding:0 11px}
      .intro-row h1{font-size:43px}.version-grid{gap:38px}
    }
    @media (max-width:900px){
      .site-header{height:70px}.nav{
        position:fixed;inset:70px 0 auto 0;padding:24px;background:var(--paper);border-bottom:1px solid var(--line);
        display:none;flex-direction:column;align-items:stretch;box-shadow:0 18px 25px rgba(25,42,33,.12);
      }
      .nav.open{display:flex}.nav a{font-size:16px;padding:13px 10px}.nav a.active:after{display:none}
      .menu-btn{display:inline-flex;align-items:center;justify-content:center}.header-actions .btn{display:none}
      .intro-row{display:block}.intro-row p{margin-top:20px}.updated-box{display:inline-block;margin-top:21px}
      .focus-card{grid-template-columns:170px 1fr}.focus-content{padding:28px}.focus-content h2{font-size:25px}
      .version-grid{grid-template-columns:1fr;gap:32px}.notice-card{grid-template-columns:70px 1fr}.notice-card .btn{grid-column:2}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .section{padding:64px 0}.page-intro{padding:48px 0 36px}.page-intro:after{font-size:220px;right:-35px}
      .intro-row h1{font-size:36px}.intro-row p{font-size:16px}
      .section-head{display:block;margin-bottom:25px}.section-head h2{font-size:28px}.section-head p{margin-top:12px}
      .focus-section{padding-top:48px}.focus-card{grid-template-columns:1fr}.focus-date{min-height:130px;padding:23px 25px;border-right:0;border-bottom:1px solid var(--line)}
      .focus-date .day{font-size:50px}.focus-content{padding:27px 25px}.focus-content h2{font-size:23px}
      .filter-bar{align-items:flex-start;flex-direction:column}.filter-options{justify-content:flex-start}
      .news-row{grid-template-columns:90px minmax(0,1fr) 22px;gap:14px;padding:21px 4px}.news-meta{display:none}
      .news-main h3{font-size:17px}.news-main p{font-size:13px}.news-date{font-size:13px}
      .notice-card{padding:24px;gap:17px}.notice-card h2{font-size:20px}.more-card{padding:34px 28px;display:block}.more-card h2{font-size:25px}.more-card .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:32px}.footer-brand{grid-column:1/-1}.footer-bottom{padding:17px 0;align-items:flex-start;flex-direction:column}
    }
    @media (max-width:520px){
      .brand{font-size:14px;gap:8px}.seal{width:29px;height:29px}.page-intro{padding-top:38px}.intro-row h1{font-size:32px}
      .breadcrumbs{font-size:12px}.updated-box{width:100%}.focus-content h2{font-size:21px}.focus-content p{font-size:14px}
      .filter-options{gap:7px}.filter-option{padding:7px 10px;font-size:12px}
      .news-row{grid-template-columns:76px minmax(0,1fr) 16px;gap:10px}.news-date{font-size:12px}.news-arrow{font-size:19px}
      .timeline{padding-left:21px}.timeline-item{padding-left:17px}.timeline-item:before{left:-28px}
      .notice-card{grid-template-columns:1fr}.notice-mark{width:56px;height:56px;font-size:25px}.notice-card .btn{grid-column:auto;width:100%}
      .more-section{padding-bottom:64px}.more-card{padding:29px 22px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
    }

/* roulang page: category2 */
:root{
      --green:#1f5a4b;--green-dark:#153e34;--green-pale:#e9efeb;--ink:#1e2522;
      --muted:#66716c;--paper:#f7f5ef;--sand:#eee8dc;--orange:#c9673d;
      --orange-pale:#f5e3da;--line:#d9ddd4;--white:#fffefa;--radius:16px;
      --shadow:0 16px 38px rgba(46,53,43,.08);--container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.72}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--container));margin:auto}
    .section{padding:92px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:18px;height:1px;background:currentColor}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:34px}
    .section-head h2{margin:8px 0 0;font-size:36px;line-height:1.28;letter-spacing:-.045em}
    .section-head p{max-width:490px;margin:0;color:var(--muted)}
    .btn{min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;transition:transform .22s ease,background .22s ease,border-color .22s ease}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(31,90,75,.25);outline-offset:3px}
    .btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 16px rgba(31,90,75,.16)}
    .btn-primary:hover{background:var(--green-dark)}
    .btn-ghost{border-color:#b9c6bd;background:rgba(255,255,255,.55);color:var(--green-dark)}
    .btn-ghost:hover{background:var(--green-pale);border-color:var(--green)}
    .tag{display:inline-flex;align-items:center;width:max-content;padding:4px 10px;border-radius:99px;background:var(--green-pale);color:var(--green-dark);font-size:12px;font-weight:800}
    .tag.orange{background:var(--orange-pale);color:#994722}
    .site-header{height:76px;display:flex;align-items:center;position:sticky;top:0;z-index:30;background:rgba(247,245,239,.94);border-bottom:1px solid transparent;backdrop-filter:blur(10px)}
    .site-header.scrolled{border-color:var(--line)}
    .header-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .brand{display:flex;align-items:center;flex-shrink:0;gap:10px;font-size:17px;font-weight:900;letter-spacing:-.035em}
    .seal{width:31px;height:31px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--green);border-radius:7px;background:var(--green);color:#fff;font-size:16px;font-weight:900;line-height:1}
    .nav{display:flex;align-items:center;gap:4px}
    .nav a{padding:10px 9px;font-size:14px;color:#46514c;position:relative;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--green);font-weight:800}
    .nav a.active:after{content:"";height:2px;position:absolute;left:10px;right:10px;bottom:3px;background:var(--green)}
    .header-actions{display:flex;align-items:center;gap:10px}
    .header-actions .btn{min-height:40px;padding:0 15px;font-size:14px}
    .menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--green);font-size:21px}
    .channel-banner{position:relative;padding:58px 0 48px;border-bottom:1px solid var(--line);overflow:hidden;background:linear-gradient(180deg,#f7f5ef 0%,#edf1ec 100%)}
    .channel-banner:before{content:"";position:absolute;width:310px;height:310px;right:8%;top:-160px;border:1px solid rgba(31,90,75,.17);border-radius:14px;transform:rotate(45deg)}
    .channel-banner:after{content:"";position:absolute;width:130px;height:130px;right:17%;bottom:-74px;border:22px solid rgba(201,103,61,.09);border-radius:50%}
    .crumbs{position:relative;display:flex;align-items:center;flex-wrap:wrap;gap:8px;color:#718078;font-size:13px;margin-bottom:22px}
    .crumbs b{font-weight:500;color:#9aa39d}
    .channel-banner h1{position:relative;margin:0;font-size:52px;line-height:1.16;letter-spacing:-.06em}
    .channel-banner p{position:relative;max-width:690px;margin:16px 0 0;color:#52605a;font-size:17px}
    .channel-meta{position:relative;display:flex;align-items:center;gap:12px;margin-top:23px;color:var(--muted);font-size:13px}
    .capability-section{padding-bottom:42px}
    .capability-scroll{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:18px;background:var(--white);overflow:hidden}
    .capability{min-height:242px;padding:27px 25px;border-right:1px solid var(--line);position:relative;transition:.24s ease}
    .capability:last-child{border-right:0}
    .capability:hover{background:#f2f6f2}
    .capability-number{display:block;font-size:13px;font-weight:900;letter-spacing:.12em;color:var(--orange)}
    .capability-icon{width:45px;height:45px;margin:26px 0 17px;border:1px solid #b7c8bd;border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--green);font-size:22px;background:#fbfdfb}
    .capability h3{font-size:20px;margin:0 0 8px;letter-spacing:-.03em}
    .capability p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
    .scenes-section{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}
    .scene-card{min-height:250px;padding:30px;border:1px solid var(--line);border-radius:18px;background:var(--paper);position:relative;overflow:hidden;transition:.25s ease}
    .scene-card:nth-child(even){background:#edf2ee}
    .scene-card:hover{border-color:#aabbb0;transform:translateY(-3px);box-shadow:var(--shadow)}
    .scene-card:after{content:"";position:absolute;right:-24px;bottom:-38px;width:120px;height:120px;border:1px solid rgba(31,90,75,.14);border-radius:50%}
    .scene-symbol{position:relative;z-index:1;display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;border-radius:12px;background:var(--green);color:#fff;font-weight:900}
    .scene-card h3{position:relative;z-index:1;margin:22px 0 9px;font-size:23px;letter-spacing:-.04em}
    .scene-card p{position:relative;z-index:1;max-width:420px;margin:0;color:var(--muted);font-size:14px}
    .process-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px;align-items:start}
    .process-intro h2{margin:9px 0 15px;font-size:36px;line-height:1.28;letter-spacing:-.05em}
    .process-intro p{margin:0;color:var(--muted)}
    .process-list{border-left:1px solid var(--line);padding-left:31px}
    .process-item{position:relative;padding:0 0 31px 27px}
    .process-item:last-child{padding-bottom:0}
    .process-item:before{content:"";position:absolute;left:-39px;top:2px;width:15px;height:15px;border:4px solid var(--paper);border-radius:50%;background:var(--green);box-shadow:0 0 0 1px var(--green)}
    .process-item span{color:var(--orange);font-size:12px;font-weight:900;letter-spacing:.12em}
    .process-item h3{margin:5px 0 6px;font-size:20px}
    .process-item p{margin:0;color:var(--muted);font-size:14px}
    .docs-section{background:#edf1ec}
    .doc-list{border-top:1px solid var(--line)}
    .doc-row{display:grid;grid-template-columns:116px minmax(0,1fr) 145px 26px;align-items:center;gap:22px;padding:23px 5px;border-bottom:1px solid var(--line);transition:.22s ease}
    .doc-row:hover{padding-left:12px;background:rgba(255,254,250,.55)}
    .doc-date{font-size:13px;color:var(--muted);font-weight:700}
    .doc-main h3{font-size:18px;line-height:1.45;margin:7px 0 5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .doc-main p{margin:0;color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .doc-arrow{font-size:23px;color:var(--green);text-align:right}
    .notice-wrap{display:grid;grid-template-columns:auto minmax(0,1fr);gap:24px;align-items:start;border:1px solid #e2c3b4;border-radius:18px;padding:29px;background:#fcf5f0}
    .notice-mark{width:48px;height:48px;display:flex;align-items:center;justify-content:center;flex-shrink:0;border-radius:13px;background:var(--orange);color:#fff;font-size:22px;font-weight:900}
    .notice-wrap h2{margin:0 0 8px;font-size:26px;letter-spacing:-.04em}
    .notice-wrap p{margin:0;color:#665b55}
    .notice-points{display:flex;flex-wrap:wrap;gap:9px 18px;margin-top:16px;color:#675f5a;font-size:14px}
    .notice-points span:before{content:"✓";color:var(--orange);font-weight:900;margin-right:7px}
    .more-section{padding-top:20px}
    .more-box{padding:43px 45px;border-radius:20px;background:var(--green-dark);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}
    .more-box:after{content:"壹";position:absolute;right:36px;top:-66px;color:rgba(255,255,255,.07);font-size:220px;font-weight:900;line-height:1}
    .more-box h2{position:relative;margin:0;font-size:31px;letter-spacing:-.045em}
    .more-box p{position:relative;margin:8px 0 0;color:#d4e0d8;font-size:15px}
    .more-box .btn{position:relative;background:#fff;color:var(--green-dark);white-space:nowrap}
    .more-box .btn:hover{background:#ebf2ed}
    .site-footer{padding:66px 0 22px;background:#1d332c;color:#d8e0da;margin-top:92px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr .9fr;gap:36px;padding-bottom:48px}
    .footer-brand .brand{color:#fff;margin-bottom:14px}
    .footer-brand .seal{border-color:#c2d5c9;background:transparent}
    .footer-brand p{max-width:300px;margin:0;color:#afbeb5;font-size:14px}
    .footer-col h3{margin:3px 0 14px;color:#fff;font-size:15px}
    .footer-col a{display:block;width:max-content;margin:8px 0;color:#b8c6be;font-size:14px;transition:.2s}
    .footer-col a:hover{color:#fff;transform:translateX(3px)}
    .footer-qr{width:92px;height:92px;border:1px dashed rgba(255,255,255,.4);border-radius:10px;display:flex;align-items:center;justify-content:center;text-align:center;color:#cbd8d0;font-size:12px;line-height:1.55}
    .footer-bottom{padding-top:20px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:18px;color:#9eadA4;font-size:13px}
    .footer-bottom a:hover{color:#fff}
    @media(max-width:1100px){
      .nav{gap:0}.nav a{padding:10px 6px;font-size:13px}
      .capability{padding:22px 19px}
      .channel-banner h1{font-size:46px}
    }
    @media(max-width:900px){
      .nav{display:none}.menu-btn{display:inline-flex;align-items:center;justify-content:center}
      .nav.open{position:absolute;display:flex;flex-direction:column;align-items:stretch;gap:3px;left:24px;right:24px;top:67px;padding:12px;background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
      .nav.open a{padding:12px}
      .nav.open a.active:after{display:none}
      .capability-scroll{grid-template-columns:1fr 1fr}
      .capability:nth-child(2){border-right:0}
      .capability:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .process-layout{grid-template-columns:1fr;gap:34px}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .footer-col:last-child{grid-column:1}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .section{padding:64px 0}
      .channel-banner{padding:43px 0 38px}
      .channel-banner h1{font-size:36px}
      .channel-banner p{font-size:16px}
      .section-head{display:block;margin-bottom:25px}
      .section-head h2,.process-intro h2{font-size:29px}
      .section-head p{margin-top:12px}
      .scene-grid{grid-template-columns:1fr}
      .doc-row{grid-template-columns:92px minmax(0,1fr) 22px;gap:12px}
      .doc-row .tag{display:none}
      .doc-main h3{font-size:16px}
      .notice-wrap{gap:16px;padding:23px}
      .more-box{display:block;padding:32px 27px}
      .more-box h2{font-size:26px}
      .more-box .btn{margin-top:21px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-brand{grid-column:1/-1}
      .footer-col:last-child{grid-column:auto}
      .footer-bottom{display:block;line-height:2.1}
    }
    @media(max-width:520px){
      .header-actions .btn{display:none}
      .brand{font-size:15px}.seal{width:29px;height:29px}
      .capability-scroll{grid-template-columns:1fr}
      .capability,.capability:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}
      .capability:last-child{border-bottom:0}
      .scene-card{min-height:220px;padding:25px}
      .doc-row{grid-template-columns:1fr 20px;padding:20px 3px}
      .doc-date{grid-column:1;font-size:12px}
      .doc-main{grid-column:1;grid-row:2}
      .doc-arrow{grid-column:2;grid-row:1/3}
      .notice-wrap{grid-template-columns:1fr}
      .notice-mark{width:42px;height:42px}
      .process-list{padding-left:24px}
      .process-item{padding-left:20px}
      .process-item:before{left:-32px}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand,.footer-col:last-child{grid-column:auto}
    }

/* roulang page: category3 */
:root{
      --green:#1f5a4b;--green-dark:#153e34;--green-pale:#e9efeb;--ink:#1e2522;
      --muted:#66716c;--paper:#f7f5ef;--sand:#eee8dc;--orange:#c9673d;
      --orange-pale:#f5e3da;--line:#d9ddd4;--white:#fffefa;--radius:16px;
      --shadow:0 16px 38px rgba(46,53,43,.08);--container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.72}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--container));margin:auto}
    .section{padding:96px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:18px;height:1px;background:currentColor}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
    .section-head h2{margin:8px 0 0;font-size:36px;line-height:1.28;letter-spacing:-.04em}
    .section-head p{max-width:480px;margin:0;color:var(--muted)}
    .btn{min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;transition:.22s ease}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(31,90,75,.25);outline-offset:3px}
    .btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 16px rgba(31,90,75,.16)}
    .btn-primary:hover{background:var(--green-dark)}
    .btn-ghost{border-color:#b9c6bd;background:rgba(255,255,255,.55);color:var(--green-dark)}
    .btn-ghost:hover{background:var(--green-pale);border-color:var(--green)}
    .tag{display:inline-flex;align-items:center;width:max-content;padding:4px 10px;border-radius:99px;background:var(--green-pale);color:var(--green-dark);font-size:12px;font-weight:800}
    .tag.orange{background:var(--orange-pale);color:#994722}
    .site-header{height:76px;display:flex;align-items:center;position:sticky;top:0;z-index:30;background:rgba(247,245,239,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
    .header-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .brand{display:flex;align-items:center;flex-shrink:0;gap:10px;font-size:17px;font-weight:900;letter-spacing:-.035em}
    .seal{width:31px;height:31px;display:inline-flex;align-items:center;justify-content:center;background:var(--green);border-radius:8px;color:#fff;font-size:16px;line-height:1}
    .nav{display:flex;align-items:center;gap:4px}
    .nav a{padding:10px 9px;font-size:14px;color:#46514c;position:relative;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--green);font-weight:800}
    .nav a.active:after{content:"";height:2px;position:absolute;left:10px;right:10px;bottom:3px;background:var(--green)}
    .header-actions{display:flex;align-items:center;gap:10px}
    .header-actions .btn{min-height:40px;padding:0 15px;font-size:14px}
    .menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--green);font-size:21px}
    .page-banner{padding:58px 0 48px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
    .page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(233,239,235,.76),rgba(247,245,239,0));pointer-events:none}
    .page-banner:after{content:"壹";position:absolute;right:8%;top:-80px;color:rgba(31,90,75,.045);font-family:serif;font-size:310px;font-weight:900;line-height:1}
    .breadcrumb{position:relative;z-index:1;display:flex;align-items:center;flex-wrap:wrap;gap:9px;color:var(--muted);font-size:13px}
    .breadcrumb span{color:#a5ada7}
    .page-title-row{position:relative;z-index:1;display:flex;align-items:end;justify-content:space-between;gap:30px;margin-top:26px}
    .page-title-row h1{margin:0;font-size:50px;line-height:1.16;letter-spacing:-.06em}
    .page-title-row p{max-width:530px;margin:12px 0 0;color:#53605a;font-size:17px}
    .update-stamp{padding:13px 16px;background:var(--white);border:1px solid var(--line);border-radius:12px;min-width:170px;color:var(--muted);font-size:13px}
    .update-stamp strong{display:block;color:var(--green-dark);font-size:15px}
    .download-panel{background:var(--green-dark);border-radius:20px;padding:42px;display:grid;grid-template-columns:1.08fr .92fr;gap:42px;color:#fff;position:relative;overflow:hidden}
    .download-panel:before{content:"";position:absolute;width:350px;height:350px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-120px;bottom:-180px;box-shadow:0 0 0 30px rgba(255,255,255,.035)}
    .download-copy,.download-side{position:relative;z-index:1}
    .download-copy h2{font-size:35px;letter-spacing:-.04em;line-height:1.28;margin:13px 0}
    .download-copy p{max-width:550px;margin:0;color:#dce8e0}
    .version-line{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:23px 0}
    .version-badge{border:1px solid rgba(255,255,255,.3);border-radius:99px;padding:5px 12px;font-size:13px;font-weight:800}
    .compatibility{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 26px}
    .compatibility span{padding:5px 10px;border-radius:7px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);font-size:12px}
    .download-actions{display:flex;flex-wrap:wrap;gap:11px}
    .download-panel .btn-primary{background:#fff;color:var(--green-dark)}
    .download-panel .btn-primary:hover{background:#e8f0ea}
    .download-panel .btn-ghost{color:#fff;border-color:rgba(255,255,255,.42);background:transparent}
    .download-side{display:flex;align-items:center;justify-content:center;gap:21px}
    .qr-box{width:150px;height:150px;padding:12px;background:var(--white);border-radius:12px;color:var(--green-dark);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;font-weight:900;line-height:1.45}
    .qr-grid{width:82px;height:82px;margin-bottom:8px;background:repeating-linear-gradient(90deg,#1e2522 0 5px,transparent 5px 9px),repeating-linear-gradient(0deg,#1e2522 0 5px,transparent 5px 9px);opacity:.78}
    .download-note{font-size:13px;color:#d8e3dc;max-width:145px}
    .download-note strong{display:block;color:#fff;font-size:14px;margin-bottom:7px}
    .preview-area{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .preview-grid{display:grid;grid-template-columns:.76fr 1.24fr;gap:52px;align-items:center}
    .preview-copy h2{font-size:36px;line-height:1.3;letter-spacing:-.045em;margin:10px 0 14px}
    .preview-copy p{color:var(--muted);margin:0}
    .preview-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}
    .preview-tab{border:1px solid var(--line);background:var(--paper);padding:8px 13px;border-radius:8px;font-size:13px;font-weight:800;color:var(--muted)}
    .preview-tab.active{color:var(--green-dark);border-color:var(--green);background:var(--green-pale)}
    .phones{min-height:420px;display:flex;align-items:flex-end;justify-content:center;gap:18px;padding-top:28px;position:relative}
    .phone{width:185px;height:370px;border:8px solid #28332e;border-radius:28px;background:#fffefa;padding:16px 12px;box-shadow:0 17px 30px rgba(39,49,41,.16);position:relative}
    .phone:before{content:"";position:absolute;width:62px;height:7px;background:#28332e;border-radius:0 0 8px 8px;top:-1px;left:calc(50% - 31px)}
    .phone.offset{height:334px;margin-bottom:5px;transform:rotate(4deg);background:#eef3ed}
    .phone-head{padding-top:11px;font-size:11px;font-weight:900;color:var(--green-dark)}
    .app-banner{margin-top:16px;height:82px;border-radius:10px;background:var(--green);padding:12px;color:#fff;font-size:11px}
    .app-banner strong{font-size:15px;display:block;margin-top:7px}
    .app-lines{margin-top:13px;display:grid;gap:8px}
    .app-line{height:31px;border:1px solid #dfe5de;border-radius:7px;background:#fff;display:flex;align-items:center;gap:8px;padding:0 8px;font-size:10px;color:#52605a}
    .app-dot{width:14px;height:14px;border-radius:4px;background:var(--green-pale)}
    .app-dot.orange{background:var(--orange-pale)}
    .steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .step-card{padding:28px 24px;border-top:3px solid var(--green);background:var(--white);border-radius:0 0 15px 15px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);border-left:1px solid var(--line);min-height:200px}
    .step-no{font-size:13px;font-weight:900;letter-spacing:.12em;color:var(--orange)}
    .step-card h3{font-size:21px;margin:17px 0 8px}
    .step-card p{margin:0;color:var(--muted);font-size:14px}
    .update-list{border-top:1px solid var(--line)}
    .update-item{display:grid;grid-template-columns:150px 1fr auto;align-items:center;gap:26px;padding:24px 10px;border-bottom:1px solid var(--line);transition:.2s}
    .update-item:hover{padding-left:17px;background:rgba(255,255,255,.43)}
    .update-version{font-size:19px;font-weight:900;color:var(--green-dark)}
    .update-version small{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-top:3px}
    .update-content h3{font-size:17px;margin:0 0 4px}
    .update-content p{margin:0;color:var(--muted);font-size:14px}
    .faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:66px}
    .faq-intro h2{font-size:36px;line-height:1.28;letter-spacing:-.04em;margin:9px 0 13px}
    .faq-intro p{color:var(--muted);margin:0}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);background:transparent}
    summary{padding:19px 34px 19px 0;list-style:none;position:relative;font-size:16px;font-weight:800;cursor:pointer}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:4px;top:14px;color:var(--green);font-size:25px;font-weight:400}
    details[open] summary:after{content:"−"}
    .faq-answer{padding:0 18px 20px 0;color:var(--muted);font-size:14px}
    .support-card{background:var(--sand);border:1px solid #e1d9ca;border-radius:18px;padding:37px 40px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}
    .support-card:after{content:"壹";position:absolute;right:24px;bottom:-74px;font-family:serif;font-size:210px;color:rgba(31,90,75,.055);font-weight:900}
    .support-card h2{position:relative;margin:7px 0 8px;font-size:31px;letter-spacing:-.04em}
    .support-card p{position:relative;max-width:650px;color:#59635d;margin:0}
    .support-actions{position:relative;display:flex;gap:11px;flex-wrap:wrap;flex-shrink:0}
    .site-footer{margin-top:96px;background:#193d34;color:#e8eee9;padding:59px 0 21px}
    .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr .8fr;gap:38px}
    .site-footer .brand{color:#fff}
    .site-footer .seal{background:#d8e7db;color:var(--green-dark)}
    .footer-brand p{max-width:310px;color:#b9c9bf;font-size:14px;margin:16px 0 0}
    .footer-col h3{font-size:14px;color:#fff;margin:5px 0 15px}
    .footer-col a{display:block;color:#bdcbc3;font-size:14px;margin:8px 0;transition:.2s}
    .footer-col a:hover{color:#fff;padding-left:3px}
    .footer-qr{width:91px;height:91px;border:1px solid rgba(255,255,255,.25);border-radius:9px;display:flex;align-items:center;justify-content:center;text-align:center;color:#cfdbd3;font-size:12px;line-height:1.5}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding-top:19px;display:flex;justify-content:space-between;gap:18px;color:#aebeb4;font-size:13px}
    .footer-bottom a:hover{color:#fff}
    @media(max-width:1100px){
      .nav{gap:0}.nav a{padding:10px 6px;font-size:13px}
      .download-panel,.preview-grid,.faq-wrap{gap:34px}
      .page-title-row h1{font-size:45px}
    }
    @media(max-width:900px){
      .nav{display:none}.menu-btn{display:inline-flex;align-items:center;justify-content:center}
      .header-actions .btn{display:none}
      .download-panel{grid-template-columns:1fr}
      .download-side{justify-content:flex-start}
      .preview-grid,.faq-wrap{grid-template-columns:1fr}
      .preview-copy{max-width:650px}
      .phones{justify-content:flex-start}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .footer-col:last-child{grid-column:1}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .section{padding:66px 0}
      .page-banner{padding:39px 0 36px}
      .page-title-row{display:block;margin-top:19px}
      .page-title-row h1{font-size:35px}
      .page-title-row p{font-size:16px}
      .update-stamp{margin-top:21px;width:max-content}
      .section-head{display:block;margin-bottom:27px}
      .section-head h2,.preview-copy h2,.faq-intro h2{font-size:29px}
      .section-head p{margin-top:12px}
      .download-panel{padding:31px 25px}
      .download-copy h2{font-size:29px}
      .steps-grid{grid-template-columns:1fr}
      .step-card{min-height:auto}
      .update-item{grid-template-columns:1fr;gap:7px;padding:20px 5px}
      .update-item:hover{padding-left:11px}
      .update-item .tag{margin-top:4px}
      .support-card{padding:30px 25px;display:block}
      .support-card h2{font-size:27px}
      .support-actions{margin-top:22px}
      .site-footer{margin-top:66px;padding-top:46px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:29px}
      .footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      body{font-size:15px}
      .brand{font-size:15px}.seal{width:29px;height:29px}
      .page-title-row h1{font-size:32px}
      .download-side{gap:13px;align-items:flex-start}
      .qr-box{width:126px;height:126px;font-size:12px}
      .qr-grid{width:67px;height:67px}
      .download-note{font-size:12px}
      .phones{min-height:360px;gap:10px}
      .phone{width:153px;height:316px;padding:13px 10px;border-width:7px}
      .phone.offset{height:285px}
      .app-banner{height:70px;margin-top:13px}
      .app-banner strong{font-size:13px}
      .app-line{height:27px}
      .footer-grid{grid-template-columns:1fr}
      .footer-col:last-child{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom span+span{display:block;margin-top:8px}
    }

@media(max-width:900px){
      .nav.mobile-open{display:flex;position:absolute;top:76px;left:0;right:0;padding:18px 24px 22px;flex-direction:column;align-items:stretch;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 16px 28px rgba(46,53,43,.08)}
      .nav.mobile-open a{padding:11px 8px}
      .nav.mobile-open a.active:after{left:8px;right:auto;width:28px;bottom:5px}
    }

/* roulang page: category4 */
:root{
      --green:#1f5a4b;--green-dark:#153e34;--green-pale:#e9efeb;--ink:#1e2522;
      --muted:#66716c;--paper:#f7f5ef;--sand:#eee8dc;--orange:#c9673d;
      --orange-pale:#f5e3da;--line:#d9ddd4;--white:#fffefa;--radius:16px;
      --shadow:0 16px 38px rgba(46,53,43,.08);--container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.72}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(calc(100% - 48px),var(--container));margin:auto}
    .section{padding:92px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:18px;height:1px;background:currentColor}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:26px;margin-bottom:34px}
    .section-head h2{margin:8px 0 0;font-size:36px;line-height:1.28;letter-spacing:-.04em}
    .section-head p{max-width:480px;margin:0;color:var(--muted)}
    .btn{min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;transition:.22s ease}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(31,90,75,.25);outline-offset:3px}
    .btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 16px rgba(31,90,75,.16)}
    .btn-primary:hover{background:var(--green-dark)}
    .btn-ghost{border-color:#b9c6bd;background:rgba(255,255,255,.55);color:var(--green-dark)}
    .btn-ghost:hover{background:var(--green-pale);border-color:var(--green)}
    .tag{display:inline-flex;width:max-content;padding:4px 10px;border-radius:99px;background:var(--green-pale);color:var(--green-dark);font-size:12px;font-weight:800}
    .tag.orange{background:var(--orange-pale);color:#994722}
    .site-header{height:76px;display:flex;align-items:center;position:sticky;top:0;z-index:30;background:rgba(247,245,239,.94);border-bottom:1px solid transparent;backdrop-filter:blur(10px)}
    .site-header.scrolled{border-color:var(--line)}
    .header-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .brand{display:flex;align-items:center;flex-shrink:0;gap:10px;font-size:17px;font-weight:900;letter-spacing:-.035em}
    .seal{width:31px;height:31px;display:inline-grid;place-items:center;background:var(--green);border-radius:8px;color:#fff;font-size:17px;line-height:1;box-shadow:inset 0 0 0 2px rgba(255,255,255,.18)}
    .nav{display:flex;align-items:center;gap:4px}
    .nav a{padding:10px 9px;font-size:14px;color:#46514c;position:relative;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--green);font-weight:800}
    .nav a.active:after{content:"";height:2px;position:absolute;left:10px;right:10px;bottom:3px;background:var(--green)}
    .header-actions{display:flex;align-items:center;gap:10px}
    .header-actions .btn{min-height:40px;padding:0 15px;font-size:14px}
    .menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--green);font-size:21px}
    main{overflow:hidden}
    .page-intro{padding:62px 0 45px;position:relative;background:linear-gradient(180deg,#f7f5ef 0%,#eef2ed 100%);border-bottom:1px solid var(--line)}
    .page-intro:after{content:"壹";position:absolute;right:7%;top:-42px;color:rgba(31,90,75,.055);font-size:230px;font-weight:900;line-height:1;pointer-events:none}
    .breadcrumbs{position:relative;display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:13px;margin-bottom:25px}
    .breadcrumbs span{color:#a1aaa4}
    .intro-layout{position:relative;display:flex;justify-content:space-between;align-items:end;gap:35px}
    .intro-layout h1{font-size:52px;line-height:1.15;letter-spacing:-.06em;margin:11px 0 13px}
    .intro-layout p{max-width:690px;margin:0;color:#52605a;font-size:17px}
    .update-mark{flex:0 0 auto;border-left:2px solid var(--orange);padding:7px 0 7px 14px;color:var(--muted);font-size:13px}
    .update-mark strong{display:block;color:var(--ink);font-size:14px}
    .index-section{padding:54px 0 34px}
    .guide-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .guide-nav a{min-height:116px;padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--white);display:flex;flex-direction:column;justify-content:space-between;transition:.22s ease}
    .guide-nav a:hover{transform:translateY(-3px);border-color:var(--green);box-shadow:0 10px 22px rgba(31,50,39,.07)}
    .guide-num{font-size:12px;font-weight:900;letter-spacing:.08em;color:var(--orange)}
    .guide-nav strong{font-size:17px;line-height:1.35}
    .guide-nav small{color:var(--muted);font-size:13px}
    .featured-section{padding:58px 0 42px}
    .featured-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:16px}
    .feature-main{min-height:360px;border-radius:19px;background:var(--green-dark);padding:34px;color:#fff;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
    .feature-main:before{content:"";position:absolute;width:235px;height:235px;border:1px solid rgba(255,255,255,.24);border-radius:50%;right:-58px;top:-75px;box-shadow:0 0 0 28px rgba(255,255,255,.045)}
    .feature-main .tag{position:relative;background:rgba(255,255,255,.15);color:#fff}
    .feature-main h3{position:relative;margin:17px 0 10px;font-size:31px;line-height:1.3;letter-spacing:-.035em;max-width:520px}
    .feature-main p{position:relative;margin:0;color:#d5e1da;max-width:520px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .feature-main .read-link{position:relative;margin-top:22px;color:#fff}
    .feature-side{display:grid;gap:16px}
    .feature-small{min-height:172px;padding:24px;border:1px solid var(--line);border-radius:16px;background:var(--white);display:flex;flex-direction:column;justify-content:space-between;transition:.22s ease}
    .feature-small:hover{border-color:var(--green);transform:translateY(-2px)}
    .feature-small h3{font-size:19px;line-height:1.42;margin:11px 0 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .feature-small .date{font-size:13px;color:var(--muted)}
    .content-section{padding:56px 0 90px}
    .content-wrap{display:grid;grid-template-columns:minmax(0,1fr) 292px;gap:44px;align-items:start}
    .guide-group{margin-bottom:38px}
    .guide-group:last-child{margin-bottom:0}
    .group-title{display:flex;align-items:center;gap:13px;margin:0 0 14px;font-size:22px}
    .group-title:before{content:"";width:9px;height:28px;border-radius:3px;background:var(--green)}
    .article-list{border-top:1px solid var(--line)}
    .article-row{display:grid;grid-template-columns:112px minmax(0,1fr) 32px;gap:20px;align-items:center;padding:23px 5px;border-bottom:1px solid var(--line);transition:.22s ease}
    .article-row:hover{background:rgba(255,255,255,.52);padding-left:14px;padding-right:14px}
    .article-row:hover h3{color:var(--green)}
    .article-meta{font-size:12px;color:var(--muted);line-height:1.5}
    .article-meta .tag{margin-bottom:7px}
    .article-row h3{font-size:18px;line-height:1.4;margin:0 0 6px;transition:.2s}
    .article-row p{margin:0;color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .row-arrow{color:var(--green);font-size:25px;text-align:right}
    .support-aside{position:sticky;top:101px}
    .aside-card{padding:25px;border:1px solid var(--line);border-radius:16px;background:var(--white);margin-bottom:16px}
    .aside-card h3{font-size:19px;margin:0 0 10px}
    .aside-card p{font-size:14px;color:var(--muted);margin:0 0 16px}
    .aside-card .btn{width:100%;min-height:44px;font-size:14px}
    .notice-card{background:var(--sand);border-color:#e2dacb}
    .notice-card ul{padding:0;margin:14px 0 0;list-style:none}
    .notice-card li{padding:9px 0;border-top:1px solid rgba(128,116,91,.16);font-size:14px;color:#56605b}
    .notice-card li:before{content:"·";color:var(--orange);font-weight:900;font-size:22px;vertical-align:-2px;margin-right:7px}
    .workflow-section{background:var(--green-pale);border-top:1px solid #dce4de;border-bottom:1px solid #dce4de}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);position:relative}
    .workflow:before{content:"";position:absolute;top:32px;left:12%;right:12%;height:1px;background:#b5c7bb}
    .workflow-step{position:relative;padding:0 20px 0 0}
    .workflow-step:last-child{padding-right:0}
    .step-no{width:64px;height:64px;display:grid;place-items:center;border:1px solid #a7c0ae;background:var(--paper);border-radius:50%;position:relative;color:var(--green);font-size:15px;font-weight:900}
    .workflow-step h3{font-size:18px;margin:18px 0 5px}
    .workflow-step p{font-size:14px;color:var(--muted);margin:0;max-width:200px}
    .reminder-section{padding:76px 0}
    .reminder-box{display:grid;grid-template-columns:.8fr 1.2fr;gap:38px;padding:36px 40px;border-radius:18px;background:var(--sand);border:1px solid #e0d8c9}
    .reminder-box h2{font-size:31px;line-height:1.3;margin:10px 0 0}
    .tips{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .tip{padding:16px 17px;background:rgba(255,254,250,.64);border:1px solid rgba(185,172,145,.42);border-radius:12px;font-size:14px;color:#4f5b55}
    .tip strong{display:block;color:var(--ink);font-size:15px;margin-bottom:4px}
    .more-section{padding:0 0 96px}
    .more-box{padding:38px 42px;border:1px solid var(--line);border-radius:18px;background:var(--white);display:flex;align-items:center;justify-content:space-between;gap:28px}
    .more-box h2{font-size:27px;margin:0 0 7px}
    .more-box p{margin:0;color:var(--muted)}
    .empty-state{padding:46px 22px;text-align:center;border:1px dashed #b7c4ba;border-radius:16px;background:rgba(255,255,255,.45)}
    .empty-icon{width:48px;height:54px;border:2px solid var(--green);border-radius:8px;margin:0 auto 14px;position:relative}
    .empty-icon:after{content:"";position:absolute;left:10px;right:10px;top:16px;height:2px;background:var(--green);box-shadow:0 9px 0 var(--green)}
    .empty-state h3{font-size:18px;margin:0 0 6px}
    .empty-state p{color:var(--muted);font-size:14px;margin:0}
    .site-footer{background:#1d3029;color:#dfe7e1;padding:64px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr .8fr;gap:36px}
    .site-footer .brand{color:#fff}
    .site-footer .seal{background:#d9e9dd;color:var(--green-dark)}
    .footer-brand p{color:#acbbb1;font-size:14px;max-width:290px;margin:17px 0 0}
    .footer-col h3{font-size:14px;color:#fff;margin:3px 0 14px}
    .footer-col a{display:block;color:#b8c6bd;font-size:14px;margin:8px 0;transition:.2s}
    .footer-col a:hover{color:#fff;padding-left:3px}
    .footer-qr{width:82px;height:82px;border:1px dashed #81968a;display:grid;place-items:center;text-align:center;color:#b8c6bd;font-size:12px;line-height:1.45}
    .footer-bottom{border-top:1px solid rgba(220,233,223,.14);margin-top:42px;padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#9eafa4;font-size:13px}
    .footer-bottom a:hover{color:#fff}
    @media (max-width:1100px){
      .nav{gap:0}.nav a{padding:10px 6px;font-size:13px}
      .content-wrap{grid-template-columns:minmax(0,1fr) 250px;gap:26px}
    }
    @media (max-width:900px){
      .nav{display:none}.menu-btn{display:block}.header-actions .btn{display:none}
      .guide-nav{grid-template-columns:1fr 1fr}
      .content-wrap{grid-template-columns:1fr}.support-aside{position:static;display:grid;grid-template-columns:1fr 1fr;gap:16px}.aside-card{margin:0}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .footer-grid .footer-col:last-child{grid-column:1}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .section{padding:65px 0}.page-intro{padding:46px 0 38px}.intro-layout{display:block}.intro-layout h1{font-size:37px}.intro-layout p{font-size:16px}.update-mark{margin-top:21px}
      .section-head{display:block;margin-bottom:25px}.section-head h2{font-size:29px}.section-head p{margin-top:10px}
      .featured-grid{grid-template-columns:1fr}.feature-main{min-height:300px}.feature-main h3{font-size:26px}
      .workflow{grid-template-columns:1fr 1fr;gap:27px}.workflow:before{display:none}.workflow-step{padding:0}
      .reminder-box{grid-template-columns:1fr;padding:28px}.reminder-box h2{font-size:27px}
      .more-box{display:block;padding:30px}.more-box .btn{margin-top:20px}
    }
    @media (max-width:520px){
      body{font-size:15px}.site-header{height:68px}.brand{font-size:14px;gap:8px}.seal{width:28px;height:28px;font-size:15px}
      .guide-nav{grid-template-columns:1fr 1fr;gap:9px}.guide-nav a{min-height:104px;padding:14px}.guide-nav strong{font-size:15px}.guide-nav small{font-size:12px}
      .featured-section{padding-top:40px}.feature-main{padding:25px;min-height:277px}.feature-small{min-height:155px;padding:20px}
      .article-row{grid-template-columns:1fr 23px;gap:12px;padding:19px 2px}.article-meta{grid-column:1;grid-row:1}.article-row h3{grid-column:1;grid-row:2;font-size:17px}.article-row p{grid-column:1;grid-row:3}.row-arrow{grid-column:2;grid-row:1/4}
      .support-aside{grid-template-columns:1fr}.tips{grid-template-columns:1fr}.workflow{grid-template-columns:1fr 1fr}.workflow-step h3{font-size:16px}.workflow-step p{font-size:13px}.step-no{width:54px;height:54px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block;line-height:2}.footer-bottom span{display:block}
    }