/* roulang page: index */
:root{
 --ink:#182522;--muted:#687873;--soft:#edf4f0;--paper:#fbfcfa;--line:#d8e5df;
 --teal:#147765;--teal-dark:#0d594c;--sage:#dfeee7;--orange:#c8793d;
 --radius:18px;--shadow:0 14px 36px rgba(25,65,55,.08);--container:1200px
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0}
img{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{height:76px;background:rgba(251,252,250,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(10px)}
.navbar{height:76px;display:flex;align-items:center;gap:34px}
.brand{display:flex;align-items:center;gap:11px;min-width:245px}
.brand-mark{width:30px;height:30px;border:7px solid var(--teal);border-right-color:var(--orange);border-radius:9px;transform:rotate(45deg)}
.brand strong{display:block;font-size:17px;line-height:1.2;letter-spacing:.02em}
.brand small{color:var(--muted);font-size:10px;letter-spacing:.12em}
.nav-links{display:flex;align-items:center;gap:22px;flex:1}
.nav-links a{font-size:14px;color:#53645f;position:relative;padding:25px 0;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--teal)}
.nav-links a.active:after{content:"";position:absolute;bottom:15px;left:0;right:0;height:3px;border-radius:3px;background:var(--teal)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 19px;border-radius:10px;font-weight:700;font-size:14px;transition:.25s ease}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 7px 16px rgba(20,119,101,.18)}
.btn-primary:hover{background:var(--teal-dark);transform:translateY(-2px)}
.btn-outline{border:1px solid var(--teal);color:var(--teal);background:#fff}
.btn-outline:hover{background:var(--soft);transform:translateY(-2px)}
.btn-text{color:var(--teal);padding-left:0;padding-right:0}
.menu-toggle{display:none;background:none;color:var(--ink);font-size:25px}
.hero{padding:86px 0 72px;background-color:#f3f8f4;background-image:linear-gradient(rgba(20,119,101,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(20,119,101,.06) 1px,transparent 1px);background-size:42px 42px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;color:var(--teal);font-size:12px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
h1{font-size:clamp(36px,5vw,62px);line-height:1.16;letter-spacing:-.045em;margin:18px 0 22px;max-width:720px}
h1 em{font-style:normal;color:var(--teal)}
.lead{font-size:18px;color:var(--muted);max-width:590px}
.actions{display:flex;gap:13px;margin-top:30px;flex-wrap:wrap}
.hero-panel{min-height:390px;background:#fff;border:1px solid var(--line);border-radius:28px;padding:25px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero-panel:after{content:"";position:absolute;width:260px;height:260px;border:1px solid var(--line);border-radius:50%;right:-90px;bottom:-100px}
.panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:18px}
.status{font-size:12px;color:var(--teal);background:var(--sage);padding:5px 9px;border-radius:20px}
.app-preview{display:grid;grid-template-columns:100px 1fr;gap:22px;margin-top:35px;align-items:center}
.phone{width:100px;height:190px;border:7px solid #253d37;border-radius:22px;background:linear-gradient(145deg,#e4f1eb,#fff);padding:15px 10px;position:relative}
.phone:before{content:"";display:block;width:36px;height:4px;border-radius:5px;background:#b5cbc1;margin:auto}
.phone-line{height:8px;border-radius:8px;background:#9cc5b6;margin-top:23px}
.phone-line.short{width:62%;margin-top:12px}
.preview-copy h3{font-size:22px;margin-bottom:8px}
.preview-copy p{color:var(--muted);font-size:14px}
.version{display:inline-block;margin-top:22px;color:var(--orange);font-family:monospace;font-size:13px}
.section{padding:96px 0}
.section-alt{background:var(--soft)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
.section-head h2,.split h2{font-size:34px;line-height:1.25;letter-spacing:-.03em}
.section-head p{color:var(--muted);max-width:540px}
.info-strip{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:16px;margin-top:28px;box-shadow:0 8px 22px rgba(25,65,55,.04)}
.info-item{padding:22px 25px;border-right:1px solid var(--line)}
.info-item:last-child{border:0}.info-item b{display:block;font-size:15px}.info-item span{font-size:13px;color:var(--muted)}
.icon{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--sage);color:var(--teal);font-weight:800;margin-bottom:10px}
.notice-layout{display:grid;grid-template-columns:1fr 1.5fr;gap:22px}
.notice-main,.notice-list,.download-box,.dashboard,.security-box,.support-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.notice-main{padding:32px}.date-big{font-family:monospace;color:var(--orange);font-size:28px;font-weight:700}
.notice-main h3{font-size:25px;margin:16px 0 10px}.notice-main p,.notice-row p{color:var(--muted);font-size:14px}
.notice-row{display:flex;gap:22px;padding:23px 28px;border-bottom:1px solid var(--line);align-items:flex-start}
.notice-row:last-child{border:0}.notice-row time{color:var(--muted);font:13px monospace;white-space:nowrap}
.tag{background:var(--sage);padding:4px 9px;border-radius:5px;letter-spacing:0;font-size:11px}
.download-box{padding:42px;background:var(--sage);display:grid;grid-template-columns:1fr 290px;gap:40px;align-items:center}
.download-box h2{font-size:34px;margin:12px 0}.download-box p{color:#536b63}
.specs{display:flex;gap:22px;flex-wrap:wrap;margin:24px 0;color:var(--muted);font-size:13px}.specs b{display:block;color:var(--ink);font-size:15px}
.qr{width:170px;height:170px;margin:auto;background-color:#fff;background-image:linear-gradient(45deg,#193d35 25%,transparent 25%,transparent 75%,#193d35 75%),linear-gradient(45deg,#193d35 25%,transparent 25%,transparent 75%,#193d35 75%);background-size:18px 18px;background-position:0 0,9px 9px;border:12px solid #fff;border-radius:10px}
.qr-note{text-align:center;color:var(--muted);font-size:12px;margin-top:10px}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.step{position:relative;padding:12px 25px 12px 0}.step:not(:last-child):after{content:"";position:absolute;top:29px;left:46px;right:0;height:1px;background:var(--line)}
.step-num{position:relative;z-index:1;width:36px;height:36px;border-radius:50%;background:var(--teal);color:white;display:grid;place-items:center;font-weight:700;margin-bottom:16px}.step h3{font-size:16px}.step p{font-size:13px;color:var(--muted)}
.news-feature{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.news-card{padding:27px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.25s}.news-card:hover,.notice-main:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.news-card h3{font-size:21px;margin:13px 0 8px}.news-card p{color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.news-list{display:grid;gap:12px}.news-list .news-card{padding:18px 22px}.news-list h3{font-size:16px;margin:5px 0}.news-list p{font-size:13px;-webkit-line-clamp:2}
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.guide-item{display:flex;align-items:center;gap:18px;padding:23px;background:#fff;border-bottom:1px solid var(--line)}.guide-item strong{font:20px monospace;color:var(--orange)}.guide-item h3{font-size:17px}.guide-item p{color:var(--muted);font-size:13px}.arrow{margin-left:auto;color:var(--teal);font-size:22px}
.dashboard{padding:30px}.dashboard-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:24px}.dash-item{padding:18px;border-right:1px solid var(--line)}.dash-item:last-child{border:0}.dash-item b{display:block}.dash-item span{font-size:13px;color:var(--muted)}.dot{display:inline-block;width:8px;height:8px;background:var(--teal);border-radius:50%;margin-right:6px}
.security-box{padding:38px;display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center}.security-box h2{font-size:36px}.risk{color:var(--orange);font-size:13px;font-weight:700}.check-list{list-style:none}.check-list li{padding:17px 0;border-bottom:1px solid var(--line);font-weight:600}.check-list li:before{content:"✓";color:var(--teal);font-weight:900;margin-right:13px}
.activity-row{display:flex;gap:18px;overflow:auto;padding:5px 0 15px}.activity{min-width:250px;padding:25px;background:#fff;border:1px solid var(--line);border-radius:16px}.activity time{font:12px monospace;color:var(--orange)}.activity h3{font-size:18px;margin:15px 0 7px}.activity p{font-size:13px;color:var(--muted)}
.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}.faq-layout h2{font-size:35px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:18px 0}summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between}summary:after{content:"+";color:var(--teal);font-size:22px}details[open] summary:after{content:"−"}details p{color:var(--muted);font-size:14px;padding:12px 25px 0 0}
.support-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}.support-card{padding:32px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}label{font-size:13px;font-weight:700}input,select,textarea{width:100%;margin-top:7px;border:1px solid var(--line);border-radius:9px;padding:12px;background:#fbfdfb;color:var(--ink);outline:0}input:focus,select:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(20,119,101,.12)}textarea{min-height:105px;resize:vertical}.full{grid-column:1/-1}.support-note{background:var(--soft);padding:28px;border-radius:16px}.support-note p{color:var(--muted);font-size:14px;margin:10px 0 22px}
.final-cta{background:var(--teal-dark);color:white;padding:70px 0}.final-cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.final-cta h2{font-size:35px}.final-cta p{color:#c7ddd5;margin-top:8px}.final-cta .btn-primary{background:#fff;color:var(--teal-dark)}.footer{background:#173b34;color:#eaf4ef;padding:56px 0 22px}.footer-grid{display:grid;grid-template-columns:1.2fr 2fr;gap:70px}.footer-brand p{color:#aac4ba;font-size:13px;margin-top:13px;max-width:270px}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-links h4{font-size:14px;margin-bottom:14px}.footer-links a{display:block;color:#aac4ba;font-size:13px;margin:8px 0}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid #386056;margin-top:42px;padding-top:17px;color:#91afa4;font-size:12px;display:flex;justify-content:space-between;gap:15px}
@media(max-width:1024px){.nav-links{gap:12px}.brand{min-width:210px}.hero-grid{gap:35px}.section{padding:75px 0}.security-box{gap:30px}}
@media(max-width:768px){.container{width:min(100% - 34px,600px)}.site-header,.navbar{height:68px}.brand{min-width:0;flex:1}.brand strong{font-size:15px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 20px;flex-direction:column;align-items:stretch;gap:0}.nav-links.open{display:flex}.nav-links a{padding:12px 0}.nav-links a.active:after{bottom:7px}.navbar>.btn{display:none}.hero{padding:58px 0}.hero-grid,.notice-layout,.news-feature,.download-box,.security-box,.faq-layout,.support-grid{grid-template-columns:1fr}.hero-panel{min-height:340px}.info-strip{grid-template-columns:1fr 1fr}.info-item:nth-child(2){border-right:0}.info-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.timeline{grid-template-columns:1fr 1fr;gap:20px}.step:not(:last-child):after{display:none}.dashboard-grid{grid-template-columns:1fr 1fr}.dash-item:nth-child(2){border-right:0}.dash-item{border-bottom:1px solid var(--line)}.footer-grid{grid-template-columns:1fr;gap:35px}.footer-links{grid-template-columns:1fr 1fr}}
@media(max-width:520px){h1{font-size:38px}.section{padding:58px 0}.section-head{display:block}.section-head h2{font-size:28px;margin-bottom:10px}.info-strip,.guide-grid,.form-grid{grid-template-columns:1fr}.info-item{border-right:0!important;border-bottom:1px solid var(--line)!important}.info-item:last-child{border-bottom:0!important}.notice-row{display:block}.notice-row time{display:block;margin-bottom:7px}.download-box{padding:26px}.download-box h2,.security-box h2,.faq-layout h2,.final-cta h2{font-size:28px}.timeline{grid-template-columns:1fr}.dashboard-grid{grid-template-columns:1fr}.dash-item{border-right:0}.final-cta-inner{display:block}.final-cta .btn{margin-top:22px}.footer-links{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}}

/* roulang page: category1 */
:root{
  --ink:#182522;--muted:#687873;--soft:#edf4f0;--paper:#fbfcfa;--line:#d8e5df;
  --teal:#147765;--teal-dark:#0d594c;--sage:#dfeee7;--orange:#c8793d;
  --radius:18px;--radius-lg:24px;--shadow:0 14px 36px rgba(25,65,55,.08);--container:1200px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}
a{color:inherit;text-decoration:none}
a,button,input,textarea,select{transition:.25s ease}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0}
img{max-width:100%;display:block}
h1,h2,h3,h4,p{margin-top:0}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{height:76px;background:rgba(251,252,250,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(10px)}
.navbar{height:76px;display:flex;align-items:center;gap:34px}
.brand{display:flex;align-items:center;gap:11px;min-width:245px}
.brand-mark{width:30px;height:30px;border:7px solid var(--teal);border-right-color:var(--orange);border-radius:9px;transform:rotate(45deg);flex:none}
.brand strong{display:block;font-size:17px;line-height:1.2;letter-spacing:.02em}
.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.12em;line-height:1.45}
.nav-links{display:flex;align-items:center;gap:22px;flex:1}
.nav-links a{font-size:14px;color:#53645f;position:relative;padding:25px 0;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--teal)}
.nav-links a.active:after{content:"";position:absolute;bottom:15px;left:0;right:0;height:3px;border-radius:3px;background:var(--teal)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 19px;border-radius:10px;font-weight:700;font-size:14px;line-height:1.4;white-space:nowrap}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(20,119,101,.25);outline-offset:3px}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 7px 16px rgba(20,119,101,.18)}
.btn-primary:hover{background:var(--teal-dark);color:#fff;transform:translateY(-2px)}
.btn-outline{border:1px solid var(--teal);color:var(--teal);background:#fff}
.btn-outline:hover{color:var(--teal-dark);background:var(--soft);transform:translateY(-2px)}
.menu-toggle{display:none;background:none;color:var(--ink);font-size:25px;padding:8px}
.page-banner{padding:55px 0 48px;background:linear-gradient(180deg,#f2f8f4 0%,#fbfcfa 100%);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-banner:after{content:"";position:absolute;width:310px;height:310px;border:1px solid rgba(20,119,101,.13);border-radius:50%;right:7%;top:-175px}
.breadcrumb{display:flex;align-items:center;gap:9px;margin-bottom:18px;color:var(--muted);font-size:13px}
.breadcrumb span{color:var(--teal)}
.page-banner-inner{display:flex;justify-content:space-between;align-items:end;gap:34px;position:relative;z-index:1}
.eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;color:var(--teal);font-size:12px;font-weight:800;letter-spacing:.06em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
.page-banner h1{font-size:46px;letter-spacing:-.05em;line-height:1.2;margin:10px 0 10px}
.page-banner p{margin:0;color:var(--muted);max-width:635px;font-size:16px}
.update-stamp{min-width:205px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;box-shadow:0 8px 22px rgba(25,65,55,.05)}
.update-stamp b{display:block;font-size:14px;color:var(--teal)}
.update-stamp span{display:block;color:var(--muted);font:12px ui-monospace,SFMono-Regular,Menlo,monospace;margin-top:3px}
.section{padding:88px 0}
.section-soft{background:var(--soft)}
.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:30px}
.section-head h2{font-size:31px;letter-spacing:-.035em;line-height:1.3;margin:0}
.section-head p{max-width:505px;color:var(--muted);margin:0;font-size:15px}
.tag{background:var(--sage);padding:4px 9px;border-radius:5px;letter-spacing:0;font-size:11px}
.tag.orange{background:#f6e9dc;color:#9a5a2b}
.tag.gray{background:#edf1ef;color:#53645f}
.pinned-card{display:grid;grid-template-columns:190px 1fr;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.date-block{background:var(--teal-dark);color:#fff;padding:35px 30px;display:flex;flex-direction:column;justify-content:space-between;min-height:270px}
.date-block .month{font:13px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.12em;color:#bdd7cf}
.date-block strong{font-size:64px;line-height:1;letter-spacing:-.08em}
.date-block small{font-size:12px;color:#c9ded7}
.pinned-copy{padding:34px 38px}
.pinned-copy h2{font-size:27px;line-height:1.35;letter-spacing:-.03em;margin:15px 0 10px}
.pinned-copy p{color:var(--muted);margin-bottom:20px;max-width:750px}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;color:var(--muted);font-size:12px}
.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-size:14px;font-weight:800;margin-top:4px}
.text-link:hover{color:var(--teal-dark)}
.text-link:hover .arrow{transform:translateX(4px)}
.arrow{font-size:19px;line-height:1;transition:.2s}
.notice-layout{display:grid;grid-template-columns:150px 1fr;gap:42px}
.timeline-intro{padding-top:9px}
.timeline-intro p{color:var(--muted);font-size:14px}
.timeline{position:relative}
.timeline:before{content:"";position:absolute;top:8px;bottom:12px;left:7px;width:1px;background:var(--line)}
.notice-item{position:relative;padding:0 0 26px 33px}
.notice-item:before{content:"";position:absolute;left:0;top:8px;width:15px;height:15px;border:4px solid var(--paper);background:var(--teal);border-radius:50%;box-shadow:0 0 0 1px var(--teal)}
.notice-item:last-child{padding-bottom:0}
.notice-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:21px 23px;transition:.25s}
.notice-card:hover{transform:translateY(-3px);border-color:#aacdc1;box-shadow:var(--shadow)}
.notice-card h3{font-size:18px;line-height:1.4;margin:10px 0 7px}
.notice-card h3 a:hover{color:var(--teal)}
.notice-card p{font-size:14px;color:var(--muted);margin:0 0 9px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.filter-panel{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:27px 30px;display:flex;justify-content:space-between;align-items:center;gap:28px}
.filter-panel h2{font-size:21px;margin:0 0 3px}
.filter-panel p{font-size:14px;color:var(--muted);margin:0}
.filter-tags{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.filter-tags span{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fbfdfb;color:#53645f;font-size:13px;font-weight:700}
.filter-tags span:first-child{border-color:rgba(20,119,101,.3);color:var(--teal);background:var(--soft)}
.reading-note{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:22px;padding:28px 31px;border:1px solid #e7d5c4;border-radius:var(--radius);background:#fffaf5}
.note-icon{width:44px;height:44px;border-radius:13px;background:#f6e9dc;color:var(--orange);display:grid;place-items:center;font-size:22px;font-weight:800}
.reading-note h2{font-size:19px;margin:0 0 3px}
.reading-note p{margin:0;color:var(--muted);font-size:14px}
.note-date{color:#9a5a2b;font:12px ui-monospace,SFMono-Regular,Menlo,monospace;text-align:right}
.channel-grid{display:grid;grid-template-columns:1.1fr repeat(3,1fr);gap:16px}
.channel-intro{padding:22px 10px 10px 0}
.channel-intro h2{font-size:29px;line-height:1.3;letter-spacing:-.035em}
.channel-intro p{color:var(--muted);font-size:14px;max-width:300px}
.channel-card{display:flex;flex-direction:column;justify-content:space-between;min-height:205px;padding:23px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.25s}
.channel-card:hover{border-color:#a7cfc2;box-shadow:var(--shadow);transform:translateY(-3px)}
.channel-icon{width:38px;height:38px;border-radius:11px;background:var(--sage);color:var(--teal);display:grid;place-items:center;font-weight:900;font-size:18px}
.channel-card h3{font-size:18px;margin:22px 0 5px}
.channel-card p{font-size:13px;color:var(--muted);margin:0}
.support-wrap{display:grid;grid-template-columns:1fr .95fr;gap:26px}
.support-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px}
.support-card h2{font-size:26px;line-height:1.35;margin-bottom:8px}
.support-card p{color:var(--muted);font-size:14px;max-width:520px}
.support-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.support-side{padding:28px 30px;border-radius:var(--radius);background:#173b34;color:#fff}
.support-side h3{font-size:19px;margin-bottom:14px}
.support-side ul{list-style:none;padding:0;margin:0}
.support-side li{padding:11px 0;border-bottom:1px solid rgba(218,237,229,.18);color:#d7e9e2;font-size:14px}
.support-side li:last-child{border-bottom:0}
.support-side li:before{content:"✓";color:#9bd2c0;font-weight:900;margin-right:10px}
.footer{background:#173b34;color:#eaf4ef;padding:56px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.2fr 2fr;gap:70px}
.footer .brand{color:#fff;min-width:0}
.footer .brand-mark{border-color:#87c5b4;border-right-color:#e2a36c}
.footer .brand small{color:#b5cec5}
.footer-brand p{color:#bad0c8;font-size:14px;max-width:300px;margin:18px 0 0}
.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.footer-links h4{font-size:13px;color:#fff;margin:2px 0 13px}
.footer-links a{display:block;color:#b9d0c8;font-size:13px;margin:8px 0}
.footer-links a:hover{color:#fff}
.copyright{border-top:1px solid rgba(187,219,207,.18);margin-top:42px;padding-top:19px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#adc7be;font-size:12px}
@media (max-width:1024px){
  .navbar{gap:20px}.brand{min-width:205px}.nav-links{gap:15px}.nav-links a{font-size:13px}
  .notice-layout{grid-template-columns:125px 1fr}.channel-grid{grid-template-columns:1fr 1fr}.channel-intro{grid-column:1/-1;padding-bottom:8px}
  .footer-grid{gap:35px}
}
@media (max-width:768px){
  .container{width:min(var(--container),calc(100% - 32px))}
  .site-header,.navbar{height:68px}.navbar{justify-content:space-between}.brand{min-width:0}.brand strong{font-size:16px}
  .nav-links{display:none;position:absolute;left:0;right:0;top:68px;padding:14px 20px;background:#fbfcfa;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
  .nav-links.open{display:flex}.nav-links a{padding:12px 4px}.nav-links a.active:after{bottom:5px;right:auto;width:34px}.menu-toggle{display:block}
  .navbar>.btn{padding:9px 12px;font-size:13px}.page-banner{padding:42px 0 36px}.page-banner-inner{display:block}.page-banner h1{font-size:38px}.update-stamp{margin-top:22px;width:max-content}
  .section{padding:64px 0}.section-head{display:block;margin-bottom:25px}.section-head h2{font-size:28px;margin-bottom:9px}
  .pinned-card{grid-template-columns:1fr}.date-block{min-height:128px;padding:23px 27px;flex-direction:row;align-items:center}.date-block strong{font-size:50px}.date-block small{text-align:right}
  .pinned-copy{padding:27px}.notice-layout{grid-template-columns:1fr;gap:20px}.timeline-intro{padding:0}.filter-panel{display:block}.filter-tags{justify-content:flex-start;margin-top:18px}
  .reading-note{grid-template-columns:auto 1fr}.note-date{grid-column:2;text-align:left}.support-wrap{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
  .navbar>.btn{display:none}.page-banner h1{font-size:32px}.page-banner p{font-size:14px}.section-head h2{font-size:25px}
  .pinned-copy h2{font-size:23px}.date-block{padding:20px}.notice-card{padding:18px}.filter-panel{padding:22px}.reading-note{padding:22px;gap:15px}
  .channel-grid{grid-template-columns:1fr}.channel-intro{grid-column:auto}.channel-card{min-height:176px}.support-card,.support-side{padding:25px}.footer{padding-top:45px}.copyright{display:block}.copyright span{display:block;margin:5px 0}
}

/* roulang page: article */
:root{
 --ink:#182522;--muted:#687873;--soft:#edf4f0;--paper:#fbfcfa;--line:#d8e5df;
 --teal:#147765;--teal-dark:#0d594c;--sage:#dfeee7;--orange:#c8793d;
 --radius:18px;--shadow:0 14px 36px rgba(25,65,55,.08);--container:1200px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75}
a{color:inherit;text-decoration:none;transition:.25s ease}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0}
img{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{height:76px;background:rgba(251,252,250,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(10px)}
.navbar{height:76px;display:flex;align-items:center;gap:34px}
.brand{display:flex;align-items:center;gap:11px;min-width:245px}
.brand-mark{width:30px;height:30px;border:7px solid var(--teal);border-right-color:var(--orange);border-radius:9px;transform:rotate(45deg);display:block;flex:0 0 auto}
.brand strong{display:block;font-size:17px;line-height:1.2;letter-spacing:.02em}
.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.12em}
.nav-links{display:flex;align-items:center;gap:22px;flex:1}
.nav-links a{font-size:14px;color:#53645f;position:relative;padding:25px 0;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--teal)}
.nav-links a.active:after{content:"";position:absolute;bottom:15px;left:0;right:0;height:3px;border-radius:3px;background:var(--teal)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 19px;border-radius:10px;font-weight:700;font-size:14px;transition:.25s ease}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(20,119,101,.28);outline-offset:3px}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 7px 16px rgba(20,119,101,.18)}
.btn-primary:hover{background:var(--teal-dark);transform:translateY(-2px);color:#fff}
.btn-outline{border:1px solid var(--teal);color:var(--teal);background:#fff}
.btn-outline:hover{background:var(--soft);transform:translateY(-2px);color:var(--teal)}
.btn-text{color:var(--teal);font-weight:700;padding:0}
.btn-text:hover{color:var(--teal-dark);gap:12px}
.menu-toggle{display:none;background:none;color:var(--ink);font-size:25px;padding:8px}
.article-hero{padding:52px 0 48px;background:#f3f8f4;background-image:linear-gradient(rgba(20,119,101,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(20,119,101,.055) 1px,transparent 1px);background-size:42px 42px}
.article-head{max-width:940px}
.eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;color:var(--teal);font-size:12px;font-weight:800;letter-spacing:.06em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
.article-head h1{font-size:clamp(30px,4vw,51px);line-height:1.22;letter-spacing:-.04em;margin:17px 0 19px;max-width:920px}
.article-head .intro{font-size:17px;color:var(--muted);max-width:760px;margin:0}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 21px;margin-top:25px;color:var(--muted);font-size:13px}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.meta-dot{width:5px;height:5px;background:var(--orange);border-radius:50%}
.section{padding:74px 0}
.breadcrumb-wrap{padding:18px 0;border-bottom:1px solid var(--line);background:#fff}
.breadcrumb{margin:0;font-size:13px;color:var(--muted);display:flex;gap:10px;align-items:center;white-space:nowrap;overflow:hidden}
.breadcrumb a:hover{color:var(--teal)}
.breadcrumb span{overflow:hidden;text-overflow:ellipsis}
.article-shell{display:grid;grid-template-columns:minmax(0,760px) 250px;justify-content:center;gap:58px;align-items:start}
.article-summary{padding:26px 30px;background:#f4f8f5;border-left:4px solid var(--teal);border-radius:0 var(--radius) var(--radius) 0;color:#40524c;font-size:16px}
.article-content{font-size:16px;color:#30403b}
.article-content>*:first-child{margin-top:0}
.article-content h2{font-size:29px;line-height:1.35;letter-spacing:-.025em;margin:54px 0 19px;color:var(--ink)}
.article-content h3{font-size:21px;line-height:1.45;margin:34px 0 14px;color:var(--ink)}
.article-content p{margin:0 0 20px}
.article-content ul,.article-content ol{padding-left:1.5em;margin:0 0 23px}
.article-content li{padding-left:5px;margin-bottom:9px}
.article-content a{color:var(--teal);font-weight:700;border-bottom:1px solid rgba(20,119,101,.28)}
.article-content blockquote{margin:30px 0;padding:18px 24px;border-left:3px solid var(--orange);background:#fff8f2;color:#5f4839;border-radius:0 12px 12px 0}
.article-content img{border-radius:14px;margin:30px 0 9px;border:1px solid var(--line)}
.article-content table{width:100%;margin:25px 0;border-collapse:collapse;border:1px solid var(--line);font-size:14px}
.article-content th,.article-content td{padding:12px 14px;border:1px solid var(--line);text-align:left}
.article-content th{background:var(--soft);color:var(--ink)}
.article-aside{position:sticky;top:100px;border-left:1px solid var(--line);padding-left:25px}
.article-aside b{display:block;font-size:13px;margin-bottom:11px}
.article-aside a{display:block;font-size:13px;color:var(--muted);padding:8px 0;border-bottom:1px solid var(--line)}
.article-aside a:hover{color:var(--teal)}
.notice-box{margin:45px auto 0;max-width:760px;padding:23px 25px;border:1px solid #cfe1d9;border-radius:var(--radius);background:#f8fcf9}
.notice-box h2{font-size:18px;margin:0 0 8px}
.notice-box p{margin:0;color:var(--muted);font-size:14px}
.notice-box strong{color:var(--teal)}
.related-section{background:var(--soft)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
.section-head h2{font-size:31px;line-height:1.3;letter-spacing:-.03em;margin:0}
.section-head p{margin:6px 0 0;color:var(--muted);font-size:14px}
.related-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:17px}
.article-card{display:flex;flex-direction:column;min-height:218px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 22px rgba(25,65,55,.04);transition:.25s}
.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b6d4c9}
.article-card:hover h3{color:var(--teal)}
.article-card h3{font-size:18px;line-height:1.45;margin:14px 0 10px;transition:.25s}
.article-card p{font-size:13px;color:var(--muted);margin:0 0 15px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}
.tag{background:var(--sage);padding:4px 9px;border-radius:5px;letter-spacing:0;font-size:11px}
.return-panel{display:flex;justify-content:space-between;align-items:center;gap:28px;padding:33px 38px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
.return-panel h2{font-size:24px;margin:0 0 7px}
.return-panel p{margin:0;color:var(--muted);font-size:14px}
.support-zone{padding:58px 0;background:#f8faf8}
.support-card{display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;padding:35px 38px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.support-card h2{font-size:27px;margin:0 0 8px}
.support-card p{color:var(--muted);margin:0;max-width:670px}
.empty-state{max-width:760px;margin:auto;padding:58px 28px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.empty-icon{width:52px;height:52px;margin:0 auto 17px;border-radius:16px;background:var(--sage);display:grid;place-items:center;color:var(--teal);font-size:25px}
.empty-state h2{font-size:24px;margin:0 0 8px}
.empty-state p{margin:0 0 20px;color:var(--muted)}
.footer{background:#173b34;color:#eaf4ef;padding:56px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.2fr 2fr;gap:70px}
.footer .brand{color:#fff}
.footer .brand small{color:#b7d0c6}
.footer .brand-mark{border-color:#7ac3ad;border-right-color:#e6a66f}
.footer-brand p{max-width:310px;margin:18px 0 0;color:#b7d0c6;font-size:14px}
.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.footer-links h4{font-size:14px;color:#fff;margin:2px 0 14px}
.footer-links a{display:block;color:#b7d0c6;font-size:13px;margin:8px 0}
.footer-links a:hover{color:#fff}
.copyright{margin-top:43px;padding-top:20px;border-top:1px solid rgba(190,222,209,.2);display:flex;justify-content:space-between;gap:18px;color:#a9c3b8;font-size:12px}
@media(max-width:1024px){
 .navbar{gap:18px}.brand{min-width:220px}.nav-links{gap:15px}.nav-links a{font-size:13px}
 .article-shell{gap:36px;grid-template-columns:minmax(0,720px) 190px}
 .footer-grid{gap:40px}
}
@media(max-width:768px){
 .container{width:min(100% - 32px,var(--container))}
 .site-header,.navbar{height:66px}.brand{min-width:0}.brand strong{font-size:15px}
 .nav-links{display:none;position:absolute;top:66px;left:0;right:0;padding:12px 20px 20px;background:#fbfcfa;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
 .nav-links.open{display:flex}.nav-links a{padding:11px 0}.nav-links a.active:after{bottom:5px;right:auto;width:32px}
 .navbar>.btn{margin-left:auto;padding:9px 13px;font-size:13px}.menu-toggle{display:block}
 .article-hero{padding:43px 0 38px}.article-head h1{font-size:33px}.article-head .intro{font-size:16px}
 .section{padding:57px 0}.article-shell{display:block}.article-aside{display:none}
 .article-summary{padding:22px}.article-content{font-size:15.5px}.article-content h2{font-size:25px;margin-top:42px}.article-content h3{font-size:19px}
 .related-grid{grid-template-columns:1fr 1fr}.related-grid .article-card:first-child{grid-column:1/-1}
 .return-panel,.support-card{padding:27px;display:block}.return-panel .btn,.support-card .btn{margin-top:20px}
 .footer-grid{grid-template-columns:1fr;gap:35px}.footer-links{grid-template-columns:repeat(2,1fr)}.copyright{display:block}.copyright span{display:block;margin:6px 0}
}
@media(max-width:520px){
 .navbar>.btn{display:none}.article-head h1{font-size:29px}.article-meta{gap:8px 14px}
 .breadcrumb{font-size:12px}.section-head{display:block}.section-head h2{font-size:26px}
 .article-summary{font-size:15px}.article-content table{font-size:12px}.article-content th,.article-content td{padding:9px}
 .related-grid{grid-template-columns:1fr}.related-grid .article-card:first-child{grid-column:auto}
 .footer-links{grid-template-columns:1fr 1fr;gap:16px}.support-card h2,.return-panel h2{font-size:23px}
}

/* roulang page: category3 */
:root{
      --ink:#182522;--muted:#687873;--soft:#edf4f0;--paper:#fbfcfa;--line:#d8e5df;
      --teal:#147765;--teal-dark:#0d594c;--sage:#dfeee7;--orange:#c8793d;
      --radius:18px;--shadow:0 14px 36px rgba(25,65,55,.08);--container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    img{max-width:100%;display:block}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{height:76px;background:rgba(251,252,250,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(10px)}
    .navbar{height:76px;display:flex;align-items:center;gap:34px}
    .brand{display:flex;align-items:center;gap:11px;min-width:245px}
    .brand-mark{width:30px;height:30px;border:7px solid var(--teal);border-right-color:var(--orange);border-radius:9px;transform:rotate(45deg);display:inline-block;flex:none}
    .brand strong{display:block;font-size:17px;line-height:1.2;letter-spacing:.02em}
    .brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.12em}
    .nav-links{display:flex;align-items:center;gap:22px;flex:1}
    .nav-links a{font-size:14px;color:#53645f;position:relative;padding:25px 0;white-space:nowrap;transition:color .2s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--teal)}
    .nav-links a.active:after{content:"";position:absolute;bottom:15px;left:0;right:0;height:3px;border-radius:3px;background:var(--teal)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 19px;border-radius:10px;font-weight:700;font-size:14px;transition:.25s ease}
    .btn-primary{background:var(--teal);color:#fff;box-shadow:0 7px 16px rgba(20,119,101,.18)}
    .btn-primary:hover{background:var(--teal-dark);color:#fff;transform:translateY(-2px)}
    .btn-outline{border:1px solid var(--teal);color:var(--teal);background:#fff}
    .btn-outline:hover{background:var(--soft);color:var(--teal-dark);transform:translateY(-2px)}
    .btn-text{color:var(--teal);font-weight:700;padding:6px 0}
    .btn-text:hover{color:var(--teal-dark)}
    .btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(20,119,101,.28);outline-offset:3px}
    .menu-toggle{display:none;background:none;color:var(--ink);font-size:25px;padding:8px}
    .page-banner{padding:51px 0 48px;background:#f2f7f3;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
    .page-banner:before{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(20,119,101,.14);border-radius:50%;right:8%;top:-255px}
    .page-banner:after{content:"";position:absolute;width:125px;height:125px;border:1px solid rgba(200,121,61,.22);border-radius:24px;transform:rotate(25deg);right:16%;bottom:-80px}
    .crumbs{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:18px;position:relative}
    .crumbs span{color:#a0ada8}
    .page-banner-inner{position:relative;display:flex;justify-content:space-between;align-items:flex-end;gap:30px}
    .eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--teal);font-size:12px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
    h1,h2,h3,h4,p{margin-top:0}
    h1{font-size:44px;letter-spacing:-.045em;line-height:1.17;margin-bottom:12px}
    h2{font-size:33px;line-height:1.28;letter-spacing:-.03em}
    h3{line-height:1.4}
    .page-intro{color:var(--muted);font-size:16px;max-width:650px;margin-bottom:0}
    .update-chip{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px;color:var(--muted);font-size:13px;white-space:nowrap;box-shadow:0 6px 16px rgba(25,65,55,.04)}
    .update-chip b{display:block;color:var(--ink);font-size:14px}
    .section{padding:94px 0}
    .section-alt{background:var(--soft)}
    .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:25px;margin-bottom:34px}
    .section-head h2{margin-bottom:0}
    .section-head p{color:var(--muted);max-width:520px;margin-bottom:0}
    .path-map{display:grid;grid-template-columns:repeat(4,1fr);position:relative;gap:16px}
    .path-map:before{content:"";position:absolute;left:10%;right:10%;top:30px;height:1px;background:var(--line)}
    .path-step{background:var(--paper);position:relative;padding:0 16px 12px;z-index:1}
    .path-num{width:61px;height:61px;border-radius:18px;display:grid;place-items:center;background:var(--sage);border:1px solid var(--line);color:var(--teal);font:700 19px ui-monospace,SFMono-Regular,Menlo,monospace;margin-bottom:17px}
    .path-step:nth-child(2) .path-num{background:#fff5eb;color:var(--orange)}
    .path-step:nth-child(3) .path-num{background:#fff}
    .path-step:nth-child(4) .path-num{background:#e7f2ec}
    .path-step h3{font-size:17px;margin-bottom:6px}
    .path-step p{font-size:13px;color:var(--muted);margin-bottom:0}
    .guide-layout{display:grid;grid-template-columns:1.04fr .96fr;gap:20px}
    .guide-stack{display:grid;gap:20px}
    .guide-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:0 8px 22px rgba(25,65,55,.04);transition:.25s ease;min-height:198px}
    .guide-card:hover{border-color:#b8d2c7;transform:translateY(-4px);box-shadow:var(--shadow)}
    .guide-card.featured{padding:34px;min-height:416px;background:linear-gradient(150deg,#fff 0%,#eff7f2 100%);display:flex;flex-direction:column;justify-content:space-between}
    .guide-card h3{font-size:23px;margin:15px 0 10px}
    .guide-card:not(.featured) h3{font-size:18px;margin:13px 0 7px}
    .guide-card p{font-size:14px;color:var(--muted);margin-bottom:17px}
    .guide-card.featured p{font-size:15px;max-width:500px}
    .meta-row{display:flex;align-items:center;gap:9px;flex-wrap:wrap;color:var(--muted);font-size:12px}
    .tag{display:inline-flex;align-items:center;background:var(--sage);padding:4px 9px;border-radius:5px;color:var(--teal);font-weight:800;font-size:11px}
    .tag.warm{background:#fff0e4;color:#a45c28}
    .guide-link{color:var(--teal);font-weight:750;font-size:14px}
    .guide-link:hover{color:var(--teal-dark)}
    .guide-link .arrow{display:inline-block;margin-left:7px;transition:transform .2s}
    .guide-link:hover .arrow{transform:translateX(4px)}
    .feature-bands{display:grid;gap:18px}
    .feature-band{display:grid;grid-template-columns:116px 1fr auto;align-items:center;gap:25px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 27px;transition:.2s ease}
    .feature-band:hover{box-shadow:var(--shadow);border-color:#bed7cc}
    .feature-icon{width:58px;height:58px;display:grid;place-items:center;border-radius:17px;background:var(--sage);color:var(--teal);font-size:25px;font-weight:800}
    .feature-band:nth-child(2) .feature-icon{background:#fff1e6;color:var(--orange)}
    .feature-band:nth-child(3) .feature-icon{background:#e8f3ee}
    .feature-band:nth-child(4) .feature-icon{background:#f2f6f3}
    .feature-band h3{font-size:18px;margin:0 0 4px}
    .feature-band p{font-size:14px;color:var(--muted);margin:0}
    .feature-status{font-size:12px;font-weight:800;color:var(--teal);white-space:nowrap}
    .rules-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:56px;align-items:start}
    .rule-summary{background:#173b34;color:#fff;border-radius:22px;padding:37px;position:sticky;top:100px}
    .rule-summary h2{font-size:30px;margin:14px 0 12px}
    .rule-summary p{color:#c9ddd5;margin-bottom:24px}
    .rule-meta{padding-top:21px;border-top:1px solid rgba(225,242,234,.2);display:grid;gap:11px;font-size:13px;color:#d7e7df}
    .rule-meta b{color:#fff;margin-right:9px}
    .rule-list{border-top:1px solid var(--line)}
    .rule-item{display:grid;grid-template-columns:48px 1fr;gap:18px;padding:23px 0;border-bottom:1px solid var(--line)}
    .rule-item strong{font:700 14px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--orange);padding-top:3px}
    .rule-item h3{font-size:18px;margin-bottom:5px}
    .rule-item p{color:var(--muted);font-size:14px;margin-bottom:9px}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
    .faq-layout h2{font-size:35px;margin:13px 0}
    .faq-layout p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:0}
    summary{list-style:none;cursor:pointer;font-weight:750;font-size:16px;padding:20px 34px 20px 0;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:3px;top:17px;color:var(--teal);font-size:24px;font-weight:400;transition:transform .25s}
    details[open] summary:after{transform:rotate(45deg)}
    .faq-answer{padding:0 35px 20px 0;color:var(--muted);font-size:14px}
    .channel-section{padding-top:90px;padding-bottom:98px}
    .channel-shell{background:#e4f0e9;border:1px solid #cfe0d8;border-radius:24px;padding:39px 42px}
    .channel-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:25px}
    .channel-head h2{font-size:30px;margin:0}
    .channel-head p{color:var(--muted);margin:0;max-width:500px;font-size:14px}
    .channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .channel-card{display:flex;align-items:center;gap:15px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;transition:.2s ease}
    .channel-card:hover{transform:translateY(-3px);border-color:#afd0c2;box-shadow:0 10px 22px rgba(25,65,55,.08)}
    .channel-card i{width:40px;height:40px;display:grid;place-items:center;background:var(--sage);border-radius:12px;color:var(--teal);font-style:normal;font-size:18px;font-weight:900}
    .channel-card h3{font-size:16px;margin:0 0 2px}
    .channel-card span{font-size:12px;color:var(--muted)}
    .channel-card em{font-style:normal;color:var(--teal);margin-left:auto;font-size:20px}
    .footer{background:#173b34;color:#eaf4ef;padding:56px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.2fr 2fr;gap:60px}
    .footer .brand{min-width:0;color:#fff}
    .footer .brand small{color:#b9d2c8}
    .footer-brand p{max-width:315px;color:#bed2c9;font-size:14px;margin:19px 0 0}
    .footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .footer-links h4{font-size:14px;color:#fff;margin:0 0 14px}
    .footer-links a{display:block;color:#bdd1c8;font-size:13px;padding:4px 0;transition:color .2s}
    .footer-links a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(210,235,223,.16);margin-top:39px;padding-top:19px;display:flex;justify-content:space-between;gap:18px;color:#abc3b9;font-size:12px}
    @media(max-width:1024px){
      .navbar{gap:20px}.brand{min-width:205px}.nav-links{gap:14px}.nav-links a{font-size:13px}
      .rules-grid,.faq-layout{gap:35px}.footer-grid{gap:35px}.page-banner-inner{align-items:flex-start}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--container))}
      .site-header,.navbar{height:68px}.navbar{justify-content:space-between}.brand{min-width:0}
      .nav-links{display:none;position:absolute;left:0;right:0;top:68px;padding:12px 20px 20px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:flex-start;gap:0}
      .nav-links.open{display:flex}.nav-links a{padding:10px 0;width:100%}.nav-links a.active:after{display:none}
      .menu-toggle{display:block}.header-action{display:none}
      h1{font-size:35px}.page-banner{padding:40px 0}.page-banner-inner{display:block}.update-chip{display:inline-block;margin-top:22px}
      .section{padding:65px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:9px}
      .path-map{grid-template-columns:1fr 1fr}.path-map:before{display:none}.path-step{padding:0}
      .guide-layout,.rules-grid,.faq-layout{grid-template-columns:1fr}.guide-card.featured{min-height:280px}.rule-summary{position:static}
      .feature-band{grid-template-columns:66px 1fr}.feature-status{grid-column:2}.channel-section{padding:65px 0}.channel-shell{padding:28px 23px}.channel-head{display:block}.channel-head p{margin-top:9px}.channel-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(2,1fr)}.copyright{display:block}.copyright span{display:block;margin:5px 0}
    }
    @media(max-width:520px){
      .brand strong{font-size:15px}.brand-mark{width:27px;height:27px;border-width:6px}.page-intro{font-size:14px}
      h1{font-size:31px}h2,.faq-layout h2{font-size:27px}.path-map{grid-template-columns:1fr}.path-step{display:grid;grid-template-columns:62px 1fr;column-gap:15px;align-items:center}.path-num{grid-row:1/3;margin:0}.path-step h3{margin:0}.path-step p{margin:2px 0 10px}
      .guide-card,.guide-card.featured{padding:24px;min-height:auto}.feature-band{padding:18px;gap:14px}.feature-icon{width:48px;height:48px}.feature-band h3{font-size:16px}
      .rule-summary{padding:28px}.rule-item{grid-template-columns:37px 1fr;gap:12px}.footer-links{grid-template-columns:1fr 1fr;gap:24px 14px}
    }

/* roulang page: category2 */
:root{
      --ink:#182522;
      --muted:#687873;
      --soft:#edf4f0;
      --paper:#fbfcfa;
      --line:#d8e5df;
      --teal:#147765;
      --teal-dark:#0d594c;
      --sage:#dfeee7;
      --orange:#c8793d;
      --radius:18px;
      --shadow:0 14px 36px rgba(25,65,55,.08);
      --container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
      line-height:1.7
    }
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{
      height:76px;
      background:rgba(251,252,250,.96);
      border-bottom:1px solid var(--line);
      position:sticky;
      top:0;
      z-index:20;
      backdrop-filter:blur(10px)
    }
    .navbar{height:76px;display:flex;align-items:center;gap:34px}
    .brand{display:flex;align-items:center;gap:11px;min-width:245px}
    .brand-mark{
      width:30px;height:30px;border:7px solid var(--teal);
      border-right-color:var(--orange);border-radius:9px;transform:rotate(45deg)
    }
    .brand strong{display:block;font-size:17px;line-height:1.2;letter-spacing:.02em}
    .brand small{color:var(--muted);font-size:10px;letter-spacing:.12em}
    .nav-links{display:flex;align-items:center;gap:22px;flex:1}
    .nav-links a{
      font-size:14px;color:#53645f;position:relative;
      padding:25px 0;white-space:nowrap;transition:.2s
    }
    .nav-links a:hover,.nav-links a.active{color:var(--teal)}
    .nav-links a.active:after{
      content:"";position:absolute;bottom:15px;left:0;right:0;
      height:3px;border-radius:3px;background:var(--teal)
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:11px 19px;border-radius:10px;font-weight:700;font-size:14px;
      transition:.25s ease
    }
    .btn-primary{background:var(--teal);color:#fff;box-shadow:0 7px 16px rgba(20,119,101,.18)}
    .btn-primary:hover{background:var(--teal-dark);color:#fff;transform:translateY(-2px)}
    .btn-outline{border:1px solid var(--teal);color:var(--teal);background:#fff}
    .btn-outline:hover{background:var(--soft);transform:translateY(-2px)}
    .btn-text{color:var(--teal);padding-left:0;padding-right:0}
    .btn:focus,.faq-question:focus{outline:3px solid rgba(20,119,101,.2);outline-offset:3px}
    .menu-toggle{display:none;background:none;color:var(--ink);font-size:25px}
    .page-head{
      padding:74px 0 58px;
      background:#f2f8f4;
      border-bottom:1px solid var(--line)
    }
    .breadcrumb{font-size:13px;color:var(--muted);margin-bottom:24px}
    .breadcrumb a{color:var(--teal)}
    .page-head-grid{display:flex;justify-content:space-between;align-items:end;gap:30px}
    .eyebrow,.tag{
      display:inline-flex;align-items:center;gap:7px;color:var(--teal);
      font-size:12px;font-weight:800;letter-spacing:.08em
    }
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(36px,5vw,64px);line-height:1.12;letter-spacing:-.04em;margin:14px 0 16px}
    .page-lead{max-width:620px;color:var(--muted);font-size:17px;margin-bottom:0}
    .status-box{
      min-width:210px;padding:20px 22px;background:#fff;
      border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow)
    }
    .status-box span{display:block;color:var(--muted);font-size:12px}
    .status-box strong{display:block;font-size:20px;margin:3px 0;color:var(--teal)}
    .section{padding:88px 0}
    .section-alt{background:var(--soft)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-head h2{font-size:34px;line-height:1.25;letter-spacing:-.03em;margin:0}
    .section-head p{color:var(--muted);max-width:510px;margin:0}
    .download-panel{
      display:grid;grid-template-columns:1.1fr .9fr;gap:28px;
      padding:32px;background:#dfeee7;border:1px solid #c8ddd4;
      border-radius:24px
    }
    .version-card,.qr-card,.update-item,.compat-card,.faq-list,.entry-card{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius);
      box-shadow:var(--shadow)
    }
    .version-card{padding:34px}
    .version-card h2{font-size:32px;margin:15px 0 8px}
    .version-card p{color:var(--muted);font-size:15px}
    .tag{background:var(--sage);padding:4px 10px;border-radius:5px;letter-spacing:0;font-size:11px}
    .version-meta{
      display:grid;grid-template-columns:repeat(3,1fr);
      gap:1px;background:var(--line);border:1px solid var(--line);
      margin:28px 0;background-color:var(--line)
    }
    .version-meta div{background:#fff;padding:15px}
    .version-meta span{display:block;color:var(--muted);font-size:12px}
    .version-meta b{display:block;font-size:15px;margin-top:3px}
    .download-actions{display:flex;gap:12px;flex-wrap:wrap}
    .qr-card{padding:28px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center}
    .qr-code{
      width:154px;height:154px;padding:13px;background:#fff;
      border:1px solid var(--line);display:grid;grid-template-columns:repeat(9,1fr);
      gap:4px;margin-bottom:16px
    }
    .qr-code i{background:var(--teal);border-radius:2px}
    .qr-code i:nth-child(3n),.qr-code i:nth-child(7n){background:var(--orange)}
    .qr-card strong{font-size:17px}
    .qr-card p{color:var(--muted);font-size:13px;margin:5px 0 0}
    .update-list{display:grid;gap:12px}
    .update-item{
      display:grid;grid-template-columns:125px 110px 1fr auto;
      gap:20px;align-items:center;padding:21px 24px;transition:.25s
    }
    .update-item:hover,.entry-card:hover{transform:translateY(-3px);border-color:#a9c9bd}
    .update-item time{font:13px monospace;color:var(--muted)}
    .update-item b{font-size:16px}
    .update-item p{margin:0;color:var(--muted);font-size:14px}
    .state{color:var(--teal);font-size:12px;font-weight:700;white-space:nowrap}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{
      position:relative;padding:25px;background:#fff;
      border:1px solid var(--line);border-radius:16px
    }
    .step-num{
      width:34px;height:34px;display:grid;place-items:center;
      background:var(--teal);color:white;border-radius:50%;
      font:700 14px monospace;margin-bottom:18px
    }
    .step h3{font-size:18px;margin-bottom:7px}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .compat-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compat-card{padding:27px}
    .compat-card h3{font-size:20px;margin-bottom:18px}
    .key-list{display:grid;gap:0}
    .key-row{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
    .key-row:last-child{border-bottom:0}
    .key-row span{color:var(--muted)}
    .key-row b{text-align:right}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}
    .faq-layout h2{font-size:35px;line-height:1.2}
    .faq-layout>div>p{color:var(--muted)}
    .faq-list{border-radius:16px;overflow:hidden}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item:last-child{border-bottom:0}
    .faq-question{
      width:100%;background:#fff;text-align:left;padding:20px 24px;
      display:flex;justify-content:space-between;align-items:center;
      color:var(--ink);font-weight:700
    }
    .faq-question span{font-size:22px;color:var(--teal);transition:.2s}
    .faq-answer{display:none;padding:0 24px 20px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span{transform:rotate(45deg)}
    .entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .entry-card{display:block;padding:25px;transition:.25s}
    .entry-card .entry-icon{font-size:25px;color:var(--teal);margin-bottom:16px}
    .entry-card h3{font-size:18px;margin-bottom:7px}
    .entry-card p{color:var(--muted);font-size:13px;margin:0 0 15px}
    .arrow{color:var(--teal);font-size:20px}
    .footer{background:#173b34;color:#eaf4ef;padding:56px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.2fr 2fr;gap:70px}
    .footer .brand strong{color:#fff}
    .footer .brand small{color:#b9d0c7}
    .footer-brand p{color:#b9d0c7;font-size:13px;max-width:280px;margin:22px 0 0}
    .footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
    .footer-links h4{font-size:14px;color:#fff;margin:0 0 14px}
    .footer-links a{display:block;color:#b9d0c7;font-size:13px;margin:9px 0;transition:.2s}
    .footer-links a:hover{color:#fff;transform:translateX(2px)}
    .copyright{
      display:flex;justify-content:space-between;gap:20px;
      border-top:1px solid rgba(216,229,223,.18);margin-top:45px;
      padding-top:18px;color:#9fbbb1;font-size:12px
    }
    @media(max-width:1024px){
      .navbar{gap:18px}.brand{min-width:205px}.nav-links{gap:14px}
      .nav-links a{font-size:13px}
      .download-panel,.faq-layout{gap:28px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header,.navbar{height:68px}
      .nav-links{
        display:none;position:absolute;top:68px;left:16px;right:16px;
        padding:12px 18px;background:#fff;border:1px solid var(--line);
        border-radius:14px;box-shadow:var(--shadow);flex-direction:column;
        align-items:stretch;gap:0
      }
      .nav-links.show{display:flex}
      .nav-links a{padding:12px 4px;border-bottom:1px solid var(--line)}
      .nav-links a:last-child{border-bottom:0}
      .nav-links a.active:after{display:none}
      .menu-toggle{display:block;margin-left:auto}
      .navbar>.btn{display:none}
      .brand{min-width:auto}
      .page-head{padding:52px 0 42px}
      .page-head-grid,.section-head{display:block}
      .status-box{margin-top:25px;min-width:0;width:100%}
      .section{padding:64px 0}
      .download-panel,.compat-grid,.faq-layout{grid-template-columns:1fr}
      .version-meta{grid-template-columns:1fr}
      .update-item{grid-template-columns:1fr;gap:5px}
      .update-item .state{position:absolute;right:24px}
      .steps{grid-template-columns:1fr 1fr}
      .entry-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr;gap:36px}
    }
    @media(max-width:520px){
      h1{font-size:40px}
      .section-head h2,.faq-layout h2{font-size:29px}
      .steps{grid-template-columns:1fr}
      .version-card,.qr-card,.compat-card{padding:23px}
      .copyright{display:block;line-height:2}
      .copyright span{display:block}
      .footer-links{grid-template-columns:1fr 1fr;gap:18px}
    }

/* roulang page: category4 */
:root{
 --ink:#182522;--muted:#687873;--soft:#edf4f0;--paper:#fbfcfa;--line:#d8e5df;
 --teal:#147765;--teal-dark:#0d594c;--sage:#dfeee7;--orange:#c8793d;
 --radius:18px;--shadow:0 14px 36px rgba(25,65,55,.08);--container:1200px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0}
img{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{height:76px;background:rgba(251,252,250,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(25,65,55,.08)}
.navbar{height:76px;display:flex;align-items:center;gap:34px}
.brand{display:flex;align-items:center;gap:11px;min-width:245px}
.brand-mark{width:30px;height:30px;border:7px solid var(--teal);border-right-color:var(--orange);border-radius:9px;transform:rotate(45deg);display:inline-block;flex:0 0 auto}
.brand strong{display:block;font-size:17px;line-height:1.2;letter-spacing:.02em}
.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.12em}
.nav-links{display:flex;align-items:center;gap:22px;flex:1}
.nav-links a{font-size:14px;color:#53645f;position:relative;padding:25px 0;white-space:nowrap;transition:color .2s ease}
.nav-links a:hover,.nav-links a.active{color:var(--teal)}
.nav-links a.active:after{content:"";position:absolute;bottom:15px;left:0;right:0;height:3px;border-radius:3px;background:var(--teal)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 19px;border-radius:10px;font-weight:700;font-size:14px;transition:.25s ease}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(20,119,101,.3);outline-offset:3px}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 7px 16px rgba(20,119,101,.18)}
.btn-primary:hover{background:var(--teal-dark);color:#fff;transform:translateY(-2px)}
.btn-outline{border:1px solid var(--teal);color:var(--teal);background:#fff}
.btn-outline:hover{background:var(--soft);transform:translateY(-2px)}
.btn-text{color:var(--teal);padding:0;font-weight:700}
.btn-text:hover{color:var(--teal-dark)}
.menu-toggle{display:none;background:none;color:var(--ink);font-size:25px;padding:6px}
.section{padding:92px 0}
.section-alt{background:var(--soft)}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:flex-end;margin-bottom:34px}
.section-head h2{font-size:34px;line-height:1.25;letter-spacing:-.035em;margin:0}
.section-head p{margin:0;color:var(--muted);max-width:550px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:14px}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
.tag{display:inline-flex;align-items:center;gap:6px;background:var(--sage);color:var(--teal-dark);padding:4px 9px;border-radius:6px;letter-spacing:0;font-size:11px;font-weight:800}
.tag.warm{background:#f8eadc;color:#9a592b}
.tag.dark{background:rgba(223,238,231,.18);color:#d7f0e6}
.page-banner{padding:53px 0 48px;background:#f3f8f4;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-banner:before,.page-banner:after{content:"";position:absolute;border:1px solid rgba(20,119,101,.12);border-radius:50%}
.page-banner:before{width:300px;height:300px;right:9%;top:-180px}
.page-banner:after{width:155px;height:155px;right:20%;bottom:-104px}
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:18px}
.breadcrumbs span{color:#a4b1ac}
.banner-row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;position:relative;z-index:1}
.page-banner h1{font-size:44px;line-height:1.18;letter-spacing:-.05em;margin:0}
.banner-copy{color:var(--muted);max-width:545px;margin:13px 0 0}
.status-box{border-left:1px solid var(--line);padding:5px 0 5px 26px;min-width:220px}
.status-box b{display:block;font-size:14px}
.status-box span{color:var(--muted);font-size:13px}
.security-checks{display:grid;grid-template-columns:.72fr 1.28fr;gap:44px;align-items:start}
.check-intro{padding:30px;background:#173b34;color:#eff9f3;border-radius:24px;position:sticky;top:105px;overflow:hidden}
.check-intro:after{content:"";position:absolute;width:170px;height:170px;border:1px solid rgba(219,242,230,.18);border-radius:50%;right:-72px;bottom:-76px}
.check-intro h2{font-size:31px;line-height:1.28;margin:15px 0 13px;position:relative;z-index:1}
.check-intro p{color:#c4d9d0;font-size:14px;margin:0;position:relative;z-index:1}
.check-intro .mini-rule{position:relative;z-index:1;margin-top:28px;border-top:1px solid rgba(219,242,230,.19);padding-top:17px;font-size:13px;color:#d8ebe3}
.check-list-wrap{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}
.check-item{display:grid;grid-template-columns:68px 1fr auto;gap:20px;align-items:center;padding:26px 30px;border-bottom:1px solid var(--line);transition:background .2s ease}
.check-item:last-child{border-bottom:0}
.check-item:hover{background:#f8fcf9}
.check-number{font:700 24px/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--orange)}
.check-item h3{font-size:18px;margin:0 0 4px}
.check-item p{font-size:14px;color:var(--muted);margin:0}
.check-state{font-size:12px;font-weight:800;color:var(--teal);background:var(--sage);padding:5px 9px;border-radius:99px;white-space:nowrap}
.risk-grid{display:grid;grid-template-columns:1.08fr .92fr .92fr;gap:18px}
.risk-card{border:1px solid var(--line);border-radius:var(--radius);padding:27px;background:#fff;min-height:205px;transition:.25s ease}
.risk-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b9d6ca}
.risk-card.featured{background:#fff9f3;border-color:#efd9c5}
.risk-icon{height:40px;width:40px;display:grid;place-items:center;border-radius:12px;background:var(--sage);color:var(--teal);font-size:20px;font-weight:900;margin-bottom:22px}
.featured .risk-icon{background:#f8e4d2;color:#a7612c}
.risk-card h3{font-size:19px;margin:0 0 9px}
.risk-card p{font-size:14px;color:var(--muted);margin:0}
.verify-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:stretch}
.verify-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:0 8px 24px rgba(25,65,55,.045)}
.verify-card h2{font-size:29px;line-height:1.3;margin:0 0 10px}
.verify-card>p{color:var(--muted);font-size:14px;margin:0 0 22px}
.source-sample{border:1px dashed #a9cbbd;border-radius:14px;background:#f8fcf9;padding:17px}
.sample-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.sample-row:last-child{border-bottom:0}
.sample-row span{color:var(--muted)}
.sample-row b{font-size:13px;color:var(--teal)}
.verify-notes{display:grid;gap:12px}
.verify-note{padding:16px 18px;border-left:3px solid var(--teal);background:var(--soft);border-radius:0 12px 12px 0}
.verify-note b{display:block;font-size:14px;margin-bottom:2px}
.verify-note span{display:block;color:var(--muted);font-size:13px}
.article-panel{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
.article-row{display:grid;grid-template-columns:110px 1fr auto;gap:24px;align-items:center;padding:23px 28px;border-bottom:1px solid var(--line);transition:.2s ease}
.article-row:last-child{border-bottom:0}
.article-row:hover{background:#f8fcf9}
.article-date{font:13px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted)}
.article-row h3{font-size:17px;margin:5px 0}
.article-row p{font-size:13px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-arrow{font-size:22px;color:var(--teal);transition:transform .2s ease}
.article-row:hover .article-arrow{transform:translateX(4px)}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:64px}
.faq-layout h2{font-size:35px;line-height:1.26;letter-spacing:-.04em;margin:0 0 14px}
.faq-layout p{color:var(--muted);margin:0}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 34px 20px 0;font-size:16px;font-weight:750;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:4px;top:17px;color:var(--teal);font-size:23px;font-weight:400;transition:transform .2s ease}
.faq-item[open] summary:after{transform:rotate(45deg)}
.faq-answer{padding:0 34px 21px 0;color:var(--muted);font-size:14px}
.channel-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:16px}
.channel-intro{padding:28px;background:#173b34;color:#eff9f3;border-radius:var(--radius)}
.channel-intro h2{font-size:26px;line-height:1.25;margin:12px 0 9px}
.channel-intro p{margin:0;color:#c4d9d0;font-size:14px}
.channel-card{display:flex;flex-direction:column;justify-content:space-between;min-height:175px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.25s ease}
.channel-card:hover{transform:translateY(-4px);border-color:#acd0c0;box-shadow:var(--shadow)}
.channel-card .channel-no{font:700 14px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--orange)}
.channel-card h3{font-size:18px;margin:20px 0 5px}
.channel-card p{font-size:13px;color:var(--muted);margin:0 0 15px}
.channel-card .btn-text{font-size:13px}
.support-strip{background:var(--sage);border:1px solid #cfe1d8;border-radius:22px;padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:26px}
.support-strip h2{font-size:26px;line-height:1.3;margin:0 0 7px}
.support-strip p{margin:0;color:var(--muted);font-size:14px;max-width:670px}
.footer{background:#173b34;color:#eaf4ef;padding:56px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.2fr 2fr;gap:70px}
.footer .brand{min-width:0;color:#fff}
.footer .brand-mark{border-color:#bfe5d5;border-right-color:#e8a06a}
.footer .brand small{color:#b7ccc3}
.footer-brand p{max-width:315px;color:#bfd1c8;font-size:14px;margin:18px 0 0}
.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.footer-links h4{font-size:13px;color:#fff;margin:3px 0 15px}
.footer-links a{display:block;color:#bcd0c6;font-size:13px;margin:9px 0;transition:color .2s ease}
.footer-links a:hover{color:#fff}
.copyright{border-top:1px solid rgba(191,229,213,.18);margin-top:42px;padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#b3c7be;font-size:12px}
@media (max-width:1024px){
 .navbar{gap:20px}.brand{min-width:205px}.nav-links{gap:14px}.nav-links a{font-size:13px}
 .security-checks,.faq-layout{gap:35px}.footer-grid{gap:38px}.risk-grid{grid-template-columns:1fr 1fr}.risk-card.featured{grid-column:span 2}
 .channel-grid{grid-template-columns:1fr 1fr}.channel-intro{grid-column:span 2}
}
@media (max-width:768px){
 .container{width:min(100% - 32px,var(--container))}
 .site-header,.navbar{height:68px}.navbar{justify-content:space-between}.brand{min-width:0}
 .menu-toggle{display:block;order:3}.navbar>.btn{display:none}
 .nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 24px 20px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 14px 25px rgba(25,65,55,.08);flex-direction:column;align-items:stretch;gap:0}
 .nav-links.open{display:flex}.nav-links a{padding:12px 0}.nav-links a.active:after{bottom:7px;right:auto;width:30px}
 .page-banner{padding:40px 0}.banner-row{display:block}.page-banner h1{font-size:36px}.status-box{border-left:0;border-top:1px solid var(--line);padding:17px 0 0;margin-top:23px}
 .section{padding:68px 0}.section-head{display:block}.section-head h2{font-size:29px}.section-head p{margin-top:12px}
 .security-checks,.verify-grid,.faq-layout{grid-template-columns:1fr}.check-intro{position:static}.check-item{grid-template-columns:52px 1fr}.check-state{display:none}
 .article-row{grid-template-columns:90px 1fr}.article-arrow{display:none}
 .footer-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(2,1fr)}.copyright{display:block}.copyright span{display:block;margin:5px 0}
 .support-strip{display:block;padding:27px}.support-strip .btn{margin-top:19px}
}
@media (max-width:520px){
 .brand strong{font-size:15px}.brand small{font-size:9px}.brand-mark{width:27px;height:27px;border-width:6px}
 .page-banner h1{font-size:32px}.banner-copy{font-size:14px}
 .section-head h2,.faq-layout h2{font-size:27px}.check-intro h2{font-size:27px}
 .check-item{padding:22px 18px;gap:12px;grid-template-columns:42px 1fr}.check-number{font-size:19px}.check-item h3{font-size:16px}.check-item p{font-size:13px}
 .risk-grid,.channel-grid{grid-template-columns:1fr}.risk-card.featured,.channel-intro{grid-column:auto}
 .verify-card{padding:23px}.source-sample{padding:12px}.sample-row{display:block}.sample-row b{display:block;margin-top:4px}
 .article-row{display:block;padding:20px}.article-date{display:block;margin-bottom:7px}.article-row h3{font-size:16px}
 .footer-links{grid-template-columns:1fr 1fr;gap:17px}.support-strip h2{font-size:23px}
}