/* roulang page: index */
:root{
--ink:#241c32;--muted:#716a7d;--purple:#4c285c;--purple-dark:#321b40;
--jade:#6aa99b;--jade-soft:#e7f1ee;--amber:#c8854b;--paper:#fbf9f6;
--lavender:#f2eef5;--line:#e5dfe7;--white:#fff;--shadow:0 16px 42px rgba(48,28,59,.09);
--radius:18px;--container:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 44px));margin:auto}
.site-header{height:78px;background:rgba(251,249,246,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
.header-inner{height:78px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--purple-dark);font-size:18px;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;background:var(--purple);color:#fff;display:grid;place-items:center;font-weight:700;box-shadow:5px 5px 0 #d8c8dc}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.main-nav a{font-size:14px;color:var(--muted);padding:26px 0;position:relative}
.main-nav a:hover,.main-nav a.active{color:var(--purple);font-weight:700}
.main-nav a.active:after{content:"";height:3px;width:20px;background:var(--jade);position:absolute;bottom:14px;left:50%;transform:translateX(-50%);border-radius:4px}
.nav-cta,.btn-primary{background:var(--purple);color:#fff;border-radius:10px;padding:11px 18px;font-weight:700;display:inline-flex;justify-content:center;align-items:center;gap:8px}
.nav-cta:hover,.btn-primary:hover{background:var(--purple-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(76,40,92,.18)}
.menu-toggle{display:none;background:none;color:var(--purple);font-size:25px}
.hero{padding:88px 0 76px;background:linear-gradient(120deg,#f7f1f7 0%,#fbf9f6 55%,#edf5f1 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--purple);font-size:12px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--jade)}
.hero h1{font-size:clamp(38px,5vw,66px);line-height:1.15;letter-spacing:-.04em;margin:18px 0 22px;max-width:680px}
.hero h1 em{font-style:normal;color:var(--purple)}
.hero-copy{font-size:17px;color:var(--muted);max-width:590px}
.actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:30px}
.btn-secondary{border:1px solid #c9bccd;color:var(--purple);border-radius:10px;padding:10px 18px;font-weight:700;background:rgba(255,255,255,.55)}
.btn-secondary:hover{border-color:var(--purple);background:#fff;transform:translateY(-2px)}
.hero-panel{background:var(--purple-dark);border-radius:25px;padding:27px;color:#fff;box-shadow:24px 24px 0 #dcebe6;position:relative}
.panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.18);padding-bottom:18px}
.panel-title{font-size:18px;font-weight:700}.panel-status{font-size:12px;color:#bce5d9}
.panel-feature{padding:29px 0 22px}.panel-feature small{color:#c7b8cc}.panel-feature h2{font-size:29px;line-height:1.35;margin:8px 0 14px}
.panel-feature p{color:#d4cbd8;font-size:13px}
.panel-list{display:grid;gap:10px}.panel-list div{background:rgba(255,255,255,.09);padding:11px 13px;border-radius:9px;font-size:13px;display:flex;justify-content:space-between}
.panel-list span{color:#b9aaa0}.info-strip{background:var(--purple);color:#fff;padding:17px 0}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.strip-item{border-left:1px solid rgba(255,255,255,.25);padding-left:18px}.strip-item small{color:#cbbbd0;display:block;font-size:11px}.strip-item strong{font-size:15px}
.section{padding:92px 0}.section.alt{background:var(--lavender)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:36px}.section-head h2{font-size:34px;line-height:1.25;letter-spacing:-.03em}.section-head p{color:var(--muted);max-width:520px}.text-link{color:var(--purple);font-weight:700;white-space:nowrap}.text-link:hover{color:var(--jade)}
.download-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:25px}.download-card{background:var(--purple);color:#fff;border-radius:var(--radius);padding:34px;min-height:320px;position:relative;overflow:hidden}.download-card:after{content:"NG";position:absolute;right:-15px;bottom:-30px;font-size:150px;font-weight:900;color:rgba(255,255,255,.06)}.download-card h3{font-size:29px;line-height:1.3;margin:18px 0 12px}.download-card p{color:#d9cedd}.download-card .btn-primary{background:#a9d5c9;color:#213c38;margin-top:25px}.qr-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;display:grid;grid-template-columns:140px 1fr;gap:28px;align-items:center}.qr{width:140px;height:140px;border:9px solid #fff;outline:1px solid #bdb2bd;background:repeating-linear-gradient(45deg,#322039 0 4px,#fff 4px 8px),repeating-linear-gradient(-45deg,transparent 0 5px,#322039 5px 8px);position:relative}.qr:after{content:"扫码";position:absolute;inset:39px 26px;background:#fff;color:var(--purple);font-weight:800;font-size:13px;display:grid;place-items:center}.qr-card h3{font-size:23px;margin-bottom:9px}.qr-card p{color:var(--muted);font-size:14px}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.tag{background:var(--jade-soft);color:#32695f;padding:4px 10px;border-radius:5px;font-size:12px;font-weight:700}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step{padding:24px 20px;border-top:3px solid var(--jade);background:#fff;border-radius:0 0 13px 13px;box-shadow:0 5px 20px rgba(48,28,59,.04)}.step-num{font-size:12px;color:var(--amber);font-weight:800}.step h3{font-size:17px;margin:12px 0 5px}.step p,.feature p{font-size:13px;color:var(--muted)}
.news-layout{display:grid;grid-template-columns:1.45fr .75fr;gap:36px}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:108px 1fr;gap:25px;padding:22px 0;border-bottom:1px solid var(--line)}.news-date{color:var(--amber);font-size:13px;font-weight:700}.news-item h3{font-size:18px;margin:3px 0 5px}.news-item p{font-size:13px;color:var(--muted)}.news-item:hover h3{color:var(--purple)}.notice-box{background:#fff;border-radius:var(--radius);padding:27px;box-shadow:var(--shadow)}.notice-box h3{font-size:21px;margin-bottom:18px}.notice-line{display:flex;gap:12px;border-bottom:1px solid var(--line);padding:13px 0;font-size:14px}.notice-line:last-child{border:0}.notice-line b{color:var(--amber);font-size:11px;white-space:nowrap}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.feature{border:1px solid var(--line);padding:25px;background:#fff;border-radius:14px}.feature h3{font-size:19px;margin-bottom:6px}.feature mark{background:var(--jade-soft);color:#39776d;padding:3px 8px;border-radius:4px;font-size:11px;font-weight:700}
.guide-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}.guide-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px}.guide-card h3{font-size:21px;margin-bottom:13px}.guide-card ul{list-style:none}.guide-card li{padding:10px 0;border-bottom:1px dashed var(--line);display:flex;justify-content:space-between;color:var(--muted)}.guide-card li:last-child{border-bottom:0}.guide-card li span{color:var(--purple);font-weight:700}
.security{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;background:var(--jade-soft);border-radius:20px;padding:36px;align-items:center}.security h2{font-size:28px;margin:10px 0}.security p{color:#4e716a}.security-list{display:grid;gap:10px}.security-list div{background:rgba(255,255,255,.65);padding:12px 15px;border-radius:9px;font-weight:700;color:#386b62}
.timeline{border-left:2px solid #cbbad0;margin-left:12px;padding-left:28px}.timeline-item{position:relative;padding:0 0 24px}.timeline-item:before{content:"";position:absolute;width:10px;height:10px;background:var(--jade);border:3px solid var(--paper);border-radius:50%;left:-35px;top:7px}.timeline-item small{color:var(--amber);font-weight:700}.timeline-item h3{font-size:18px;margin:4px 0}.timeline-item p{color:var(--muted);font-size:14px}
.faq{max-width:850px;margin:auto}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between}.faq summary:after{content:"＋";color:var(--purple);font-size:20px}.faq details[open] summary:after{content:"−"}.faq details p{color:var(--muted);padding:12px 28px 2px 0;font-size:14px}
.contact-panel{background:var(--purple-dark);color:#fff;border-radius:22px;padding:38px 44px;display:flex;justify-content:space-between;align-items:center;gap:25px}.contact-panel h2{font-size:28px}.contact-panel p{color:#d4c8d9;margin-top:5px}.contact-panel .btn-secondary{color:#fff;border-color:#8e7897;background:transparent}.footer{background:#24172d;color:#d8cfda;padding:58px 0 25px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px}.footer .logo{color:#fff}.footer h3{color:#fff;font-size:14px;margin-bottom:14px}.footer a{display:block;color:#b9acbf;font-size:13px;margin:8px 0}.footer a:hover{color:#fff}.footer-intro{font-size:13px;color:#b9acbf;margin-top:16px;max-width:280px}.copyright{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;color:#988aa0;font-size:12px;display:flex;justify-content:space-between;gap:15px}
@media(max-width:1024px){.hero-grid{gap:35px}.main-nav{gap:13px}.main-nav a{font-size:13px}.download-grid,.news-layout,.security{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}}
@media(max-width:768px){.container{width:min(100% - 32px,var(--container))}.site-header,.header-inner{height:68px}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:12px 20px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}.main-nav.open{display:flex}.main-nav a{padding:10px 0}.main-nav a.active:after{display:none}.nav-cta{margin-top:8px;text-align:center}.menu-toggle{display:block;margin-left:auto}.header-inner>.nav-cta{display:none}.hero{padding:58px 0}.hero-grid{grid-template-columns:1fr}.hero-panel{max-width:560px}.hero h1{font-size:42px}.strip-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.section{padding:65px 0}.section-head{display:block}.section-head h2{font-size:29px;margin-bottom:12px}.section-head .text-link{display:inline-block;margin-top:14px}.qr-card{grid-template-columns:110px 1fr;padding:25px}.qr{width:110px;height:110px}.qr:after{inset:30px 18px}.guide-layout,.feature-grid{grid-template-columns:1fr}.contact-panel{display:block;padding:30px}.contact-panel .btn-secondary{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:520px){body{font-size:14px}.logo{font-size:15px}.logo-mark{width:30px;height:30px}.hero h1{font-size:36px}.hero-copy{font-size:15px}.hero-panel{padding:21px}.panel-feature h2{font-size:24px}.strip-grid{grid-template-columns:1fr}.strip-item{border-left:0;border-bottom:1px solid rgba(255,255,255,.2);padding:8px 0}.strip-item:last-child{border:0}.steps{grid-template-columns:1fr}.download-card,.qr-card{padding:24px}.qr-card{grid-template-columns:1fr}.news-item{grid-template-columns:1fr;gap:2px}.security{padding:25px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin-top:8px}}

/* roulang page: category1 */
:root{
--ink:#241c32;--muted:#716a7d;--purple:#4c285c;--purple-dark:#321b40;
--jade:#6aa99b;--jade-soft:#e7f1ee;--amber:#c8854b;--paper:#fbf9f6;
--lavender:#f2eef5;--line:#e5dfe7;--white:#fff;
--shadow:0 16px 42px rgba(48,28,59,.09);--radius:18px;--container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 44px));margin:auto}
.site-header{height:78px;background:rgba(251,249,246,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
.header-inner{height:78px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--purple-dark);font-size:18px;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;background:var(--purple);color:#fff;display:grid;place-items:center;font-weight:700;box-shadow:5px 5px 0 #d8c8dc}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.main-nav a{font-size:14px;color:var(--muted);padding:26px 0;position:relative}
.main-nav a:hover,.main-nav a.active{color:var(--purple);font-weight:700}
.main-nav a.active:after{content:"";height:3px;width:20px;background:var(--jade);position:absolute;bottom:14px;left:50%;transform:translateX(-50%);border-radius:4px}
.nav-cta,.btn-primary{background:var(--purple);color:#fff;border-radius:10px;padding:11px 18px;font-weight:700;display:inline-flex;justify-content:center;align-items:center;gap:8px}
.nav-cta:hover,.btn-primary:hover{background:var(--purple-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(76,40,92,.18)}
.menu-toggle{display:none;background:none;color:var(--purple);font-size:25px}
.page-intro{padding:68px 0 58px;background:linear-gradient(120deg,#f4edf6,#fbf9f6 60%,#edf5f1)}
.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:24px}
.breadcrumb span{color:#b0a7b4}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--purple);font-size:12px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--jade)}
.page-intro h1{font-size:clamp(34px,5vw,58px);line-height:1.2;letter-spacing:-.04em;margin:14px 0 16px}
.page-intro p{max-width:700px;color:var(--muted);font-size:17px;margin:0}
.section{padding:76px 0}
.section.alt{background:var(--lavender)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section-head h2{font-size:31px;line-height:1.3;letter-spacing:-.03em;margin:0}
.section-head p{color:var(--muted);max-width:530px;margin:0}
.topic-bar{display:flex;flex-wrap:wrap;gap:10px;padding:20px 0;border-bottom:1px solid var(--line)}
.topic{border:1px solid #d8cbdc;background:#fff;color:var(--purple);padding:8px 15px;border-radius:8px;font-size:13px;font-weight:700}
.topic:hover,.topic.selected{background:var(--purple);border-color:var(--purple);color:#fff}
.content-layout{display:grid;grid-template-columns:1.45fr .75fr;gap:38px;align-items:start}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:115px 1fr;gap:24px;padding:24px 0;border-bottom:1px solid var(--line)}
.news-date{color:var(--amber);font-size:13px;font-weight:700;padding-top:4px}
.news-date small{display:block;color:var(--muted);font-weight:400;margin-top:3px}
.news-item h3{font-size:19px;line-height:1.45;margin:4px 0 7px}
.news-item h3 a:hover{color:var(--purple)}
.news-item p{color:var(--muted);font-size:14px;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tag{display:inline-flex;background:var(--jade-soft);color:#32695f;padding:4px 9px;border-radius:5px;font-size:11px;font-weight:700}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.side-card h3{font-size:20px;margin:0 0 15px}
.side-card p{color:var(--muted);font-size:14px;margin:0 0 18px}
.notice{padding:15px 0;border-bottom:1px dashed var(--line)}
.notice:last-child{border-bottom:0}
.notice time{color:var(--amber);font-size:12px}
.notice strong{display:block;font-size:14px;margin-top:3px}
.notice strong:hover{color:var(--purple)}
.empty-state{padding:46px 20px;text-align:center;border:1px dashed #cfc3d2;border-radius:14px;color:var(--muted);background:#fff}
.empty-state strong{display:block;color:var(--purple);font-size:18px;margin-bottom:5px}
.timeline{border-left:1px solid #cdbfd2;margin:12px 0 0 10px;padding-left:28px}
.timeline-item{position:relative;padding:0 0 24px}
.timeline-item:before{content:"";position:absolute;width:10px;height:10px;background:var(--jade);border:3px solid var(--lavender);border-radius:50%;left:-34px;top:8px}
.timeline-item small{color:var(--amber);font-weight:700}
.timeline-item h3{font-size:18px;margin:4px 0}
.timeline-item p{color:var(--muted);font-size:14px;margin:0}
.index-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.index-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:23px;min-height:145px}
.index-card b{display:block;color:var(--jade);font-size:24px;line-height:1;margin-bottom:16px}
.index-card h3{font-size:17px;margin:0 0 6px}
.index-card p{color:var(--muted);font-size:13px;margin:0}
.cta-band{background:var(--purple-dark);color:#fff;border-radius:var(--radius);padding:34px 38px;display:flex;justify-content:space-between;align-items:center;gap:25px}
.cta-band h2{font-size:27px;margin:0 0 6px}
.cta-band p{color:#d5c9d9;margin:0}
.btn-secondary{border:1px solid #c9bccd;color:var(--purple);border-radius:10px;padding:10px 18px;font-weight:700;background:rgba(255,255,255,.55);display:inline-flex;align-items:center;justify-content:center}
.btn-secondary:hover{border-color:var(--purple);background:#fff;transform:translateY(-2px)}
.cta-band .btn-secondary{background:#a9d5c9;border-color:#a9d5c9;color:#213c38;white-space:nowrap}
.cta-band .btn-secondary:hover{background:#c4e4dc;border-color:#c4e4dc}
.footer{background:#21172a;color:#d9cfdd;padding:52px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
.footer .logo{color:#fff;margin-bottom:14px}
.footer-intro{color:#a99caf;font-size:13px;max-width:280px;margin:0}
.footer h3{font-size:14px;color:#fff;margin:3px 0 14px}
.footer-grid>div>a:not(.logo){display:block;color:#b9adbf;font-size:13px;margin:7px 0}
.footer-grid>div>a:not(.logo):hover{color:#a9d5c9}
.copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;color:#95889d;font-size:12px}
@media(max-width:1024px){
.main-nav{gap:13px}.main-nav a{font-size:13px}
.content-layout{grid-template-columns:1fr}.side-card{max-width:none}
}
@media(max-width:768px){
.site-header,.header-inner{height:68px}.header-inner{gap:12px}
.logo{font-size:16px}.logo-mark{width:31px;height:31px}
.menu-toggle{display:block;margin-left:auto}
.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:10px 22px 18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
.main-nav.open{display:flex}.main-nav a{padding:11px 0}.main-nav a.active:after{left:0;bottom:7px;transform:none;width:18px}.main-nav .nav-cta{margin-top:8px;text-align:center;padding:10px}
.page-intro{padding:48px 0 42px}.page-intro h1{font-size:38px}.page-intro p{font-size:15px}
.section{padding:55px 0}.section-head{display:block;margin-bottom:23px}.section-head h2{font-size:27px;margin-bottom:8px}
.news-item{grid-template-columns:1fr;gap:3px;padding:20px 0}.news-date small{display:inline;margin-left:8px}
.index-grid{grid-template-columns:1fr}.cta-band{display:block;padding:28px 24px}.cta-band .btn-secondary{margin-top:21px}
.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.copyright{display:block}.copyright span{display:block;margin-top:6px}
}
@media(max-width:520px){
.container{width:min(var(--container),calc(100% - 32px))}
.topic-bar{gap:7px}.topic{font-size:12px;padding:7px 11px}
.content-layout{gap:25px}.side-card{padding:21px}
.footer-grid{grid-template-columns:1fr}.footer{padding-top:40px}
}

/* roulang page: article */
:root{
--ink:#241c32;
--muted:#716a7d;
--purple:#4c285c;
--purple-dark:#321b40;
--jade:#6aa99b;
--jade-soft:#e7f1ee;
--amber:#c8854b;
--paper:#fbf9f6;
--lavender:#f2eef5;
--line:#e5dfe7;
--white:#fff;
--shadow:0 16px 42px rgba(48,28,59,.09);
--radius:18px;
--container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
margin:0;
font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;
color:var(--ink);
background:var(--paper);
line-height:1.75;
font-size:15px;
-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:.25s ease}
a:hover{color:var(--purple)}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 44px));margin:auto}
.site-header{
height:78px;
background:rgba(251,249,246,.94);
border-bottom:1px solid var(--line);
position:sticky;
top:0;
z-index:20;
backdrop-filter:blur(14px);
}
.header-inner{height:78px;display:flex;align-items:center;gap:28px}
.logo{
display:flex;
align-items:center;
gap:11px;
font-weight:800;
color:var(--purple-dark);
font-size:18px;
white-space:nowrap;
}
.logo-mark{
width:34px;
height:34px;
border-radius:10px 10px 10px 3px;
background:var(--purple);
color:#fff;
display:grid;
place-items:center;
font-weight:700;
box-shadow:5px 5px 0 #d8c8dc;
}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.main-nav a{
font-size:14px;
color:var(--muted);
padding:26px 0;
position:relative;
white-space:nowrap;
}
.main-nav a:hover,.main-nav a.active{color:var(--purple);font-weight:700}
.main-nav a.active:after{
content:"";
height:3px;
width:20px;
background:var(--jade);
position:absolute;
bottom:14px;
left:50%;
transform:translateX(-50%);
border-radius:4px;
}
.main-nav .nav-cta{
background:var(--purple);
color:#fff;
border-radius:10px;
padding:11px 18px;
font-weight:700;
}
.main-nav .nav-cta:hover{
background:var(--purple-dark);
transform:translateY(-2px);
box-shadow:0 8px 18px rgba(76,40,92,.18);
}
.menu-toggle{
display:none;
background:none;
color:var(--purple);
font-size:25px;
padding:5px;
}
.article-hero{
padding:58px 0 52px;
background:linear-gradient(120deg,#f7f1f7 0%,#fbf9f6 58%,#edf5f1 100%);
border-bottom:1px solid var(--line);
}
.breadcrumb{
display:flex;
align-items:center;
flex-wrap:wrap;
gap:9px;
font-size:13px;
color:var(--muted);
margin-bottom:27px;
}
.breadcrumb .current{color:var(--purple);font-weight:700}
.breadcrumb .separator{color:#b3a7b7}
.article-heading{max-width:900px}
.article-heading .eyebrow{
display:inline-flex;
align-items:center;
gap:7px;
color:var(--purple);
font-size:12px;
font-weight:800;
letter-spacing:.08em;
}
.eyebrow:before{
content:"";
width:24px;
height:2px;
background:var(--jade);
}
.article-heading h1{
font-size:clamp(32px,4.5vw,58px);
line-height:1.25;
letter-spacing:-.04em;
margin:17px 0 20px;
overflow-wrap:anywhere;
}
.article-meta{
display:flex;
align-items:center;
flex-wrap:wrap;
gap:10px 20px;
color:var(--muted);
font-size:13px;
}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-dot{width:5px;height:5px;background:var(--jade);border-radius:50%}
.badge{
display:inline-flex;
align-items:center;
gap:7px;
color:var(--purple);
font-size:12px;
font-weight:800;
}
.badge:before{
content:"";
width:7px;
height:7px;
background:var(--jade);
border-radius:50%;
}
.article-layout{
display:grid;
grid-template-columns:minmax(0,790px) 280px;
gap:48px;
align-items:start;
}
.article-section{padding:70px 0 90px}
.article-content{
background:var(--white);
border:1px solid var(--line);
border-radius:var(--radius);
padding:clamp(26px,5vw,58px);
box-shadow:var(--shadow);
min-width:0;
}
.article-content h2{
font-size:28px;
line-height:1.35;
margin:34px 0 16px;
color:var(--purple-dark);
}
.article-content h3{
font-size:21px;
line-height:1.45;
margin:28px 0 12px;
color:var(--purple);
}
.article-content p{
margin:0 0 20px;
color:#4f4758;
line-height:1.95;
}
.article-content ul,.article-content ol{
padding-left:1.5em;
margin:16px 0 24px;
color:#4f4758;
}
.article-content li{padding:4px 0;line-height:1.9}
.article-content blockquote{
margin:28px 0;
padding:18px 22px;
border-left:4px solid var(--jade);
background:var(--jade-soft);
color:#386b62;
border-radius:0 10px 10px 0;
}
.article-content table{
width:100%;
border-collapse:collapse;
margin:24px 0;
min-width:520px;
}
.article-content table th,.article-content table td{
border:1px solid var(--line);
padding:11px 14px;
text-align:left;
}
.article-content table th{background:var(--lavender);color:var(--purple)}
.article-content img{border-radius:12px;margin:24px auto}
.content-empty{
text-align:center;
padding:60px 20px;
color:var(--muted);
}
.empty-icon{
width:58px;
height:58px;
border-radius:16px;
background:var(--jade-soft);
color:#39776d;
display:grid;
place-items:center;
font-size:25px;
font-weight:800;
margin:0 auto 18px;
}
.empty-title{font-size:22px;color:var(--purple-dark);font-weight:800;margin-bottom:8px}
.btn-primary,.btn-secondary{
display:inline-flex;
justify-content:center;
align-items:center;
gap:8px;
border-radius:10px;
padding:11px 18px;
font-weight:700;
transition:.25s ease;
}
.btn-primary{background:var(--purple);color:#fff}
.btn-primary:hover{
background:var(--purple-dark);
color:#fff;
transform:translateY(-2px);
box-shadow:0 8px 18px rgba(76,40,92,.18);
}
.btn-secondary{
border:1px solid #c9bccd;
color:var(--purple);
background:rgba(255,255,255,.55);
}
.btn-secondary:hover{
border-color:var(--purple);
background:#fff;
transform:translateY(-2px);
}
.article-aside{display:grid;gap:18px;position:sticky;top:108px}
.aside-card{
background:#fff;
border:1px solid var(--line);
border-radius:15px;
padding:22px;
}
.aside-card h2{
font-size:17px;
margin:0 0 14px;
color:var(--purple-dark);
}
.aside-card p{font-size:13px;color:var(--muted);margin:0}
.aside-card .aside-mark{
width:40px;
height:4px;
background:var(--jade);
border-radius:5px;
margin-bottom:16px;
}
.aside-links{display:grid;gap:10px}
.aside-links a{
padding:10px 12px;
border-radius:8px;
background:var(--lavender);
font-size:13px;
color:var(--purple);
}
.aside-links a:hover{background:var(--jade-soft);color:#32695f}
.notice-card{
background:var(--purple-dark);
color:#fff;
border-radius:15px;
padding:23px;
}
.notice-card h2{color:#fff}
.notice-card p{color:#d6cbd9}
.notice-card a{margin-top:14px;color:#a9d5c9;font-weight:700;font-size:13px}
.article-foot{
background:var(--lavender);
padding:30px 0;
}
.article-foot-inner{
display:flex;
justify-content:space-between;
align-items:center;
gap:20px;
}
.article-tags{display:flex;gap:8px;flex-wrap:wrap}
.tag{
background:var(--jade-soft);
color:#32695f;
padding:4px 10px;
border-radius:5px;
font-size:12px;
font-weight:700;
}
.foot-actions{display:flex;gap:10px;flex-wrap:wrap}
.footer{
background:var(--purple-dark);
color:#fff;
padding:52px 0 24px;
}
.footer-grid{
display:grid;
grid-template-columns:1.6fr 1fr 1fr 1fr;
gap:32px;
padding-bottom:43px;
border-bottom:1px solid rgba(255,255,255,.16);
}
.footer .logo{color:#fff;margin-bottom:16px}
.footer .logo-mark{background:#a9d5c9;color:#213c38;box-shadow:5px 5px 0 rgba(169,213,201,.2)}
.footer-intro{color:#cdbfd1;max-width:310px;font-size:13px;margin:0}
.footer h3{font-size:15px;margin:3px 0 15px;color:#fff}
.footer-grid>div:not(:first-child){display:flex;flex-direction:column;gap:8px}
.footer-grid a{color:#cdbfd1;font-size:13px}
.footer-grid a:hover{color:#a9d5c9}
.copyright{
display:flex;
justify-content:space-between;
gap:20px;
padding-top:20px;
color:#a99bad;
font-size:12px;
}
:focus-visible{outline:3px solid rgba(106,169,155,.55);outline-offset:3px}
@media(max-width:1024px){
.main-nav{gap:14px}
.main-nav a{font-size:13px}
.article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:26px}
}
@media(max-width:768px){
.container{width:min(var(--container),calc(100% - 32px))}
.site-header,.header-inner{height:68px}
.menu-toggle{display:block;margin-left:auto}
.main-nav{
display:none;
position:absolute;
top:68px;
left:0;
right:0;
padding:12px 16px 18px;
background:var(--paper);
border-bottom:1px solid var(--line);
box-shadow:0 15px 25px rgba(48,28,59,.08);
flex-direction:column;
align-items:stretch;
gap:2px;
}
.main-nav.open{display:flex}
.main-nav a{padding:12px 14px;border-radius:8px}
.main-nav a.active:after{display:none}
.main-nav .nav-cta{text-align:center;margin-top:7px}
.article-hero{padding:40px 0 38px}
.article-heading h1{font-size:34px}
.article-layout{display:block}
.article-section{padding:42px 0 58px}
.article-aside{
position:static;
margin-top:22px;
grid-template-columns:1fr 1fr;
}
.article-foot-inner{align-items:flex-start;flex-direction:column}
.footer-grid{grid-template-columns:1fr 1fr;gap:28px}
.footer-grid>div:first-child{grid-column:1/-1}
}
@media(max-width:520px){
.logo{font-size:16px;gap:8px}
.logo-mark{width:31px;height:31px}
.article-heading h1{font-size:30px}
.article-meta{gap:8px 13px}
.article-content{padding:23px 19px;border-radius:13px}
.article-content h2{font-size:24px}
.article-content h3{font-size:19px}
.article-content table{min-width:480px}
.article-aside{grid-template-columns:1fr}
.foot-actions,.foot-actions a{width:100%}
.copyright{flex-direction:column;gap:5px}
.footer{padding-top:40px}
.footer-grid{grid-template-columns:1fr;gap:23px}
.footer-grid>div:first-child{grid-column:auto}
}

/* roulang page: category3 */
:root{
--ink:#241c32;--muted:#716a7d;--purple:#4c285c;--purple-dark:#321b40;
--jade:#6aa99b;--jade-soft:#e7f1ee;--amber:#c8854b;--paper:#fbf9f6;
--lavender:#f2eef5;--line:#e5dfe7;--white:#fff;
--shadow:0 16px 42px rgba(48,28,59,.09);--radius:18px;--container:1180px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 44px));margin:auto}
.site-header{height:78px;background:rgba(251,249,246,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
.header-inner{height:78px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--purple-dark);font-size:18px;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;background:var(--purple);color:#fff;display:grid;place-items:center;font-weight:700;box-shadow:5px 5px 0 #d8c8dc}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.main-nav a{font-size:14px;color:var(--muted);padding:26px 0;position:relative}
.main-nav a:hover,.main-nav a.active{color:var(--purple);font-weight:700}
.main-nav a.active:after{content:"";height:3px;width:20px;background:var(--jade);position:absolute;bottom:14px;left:50%;transform:translateX(-50%);border-radius:4px}
.nav-cta,.btn-primary{background:var(--purple);color:#fff;border-radius:10px;padding:11px 18px;font-weight:700;display:inline-flex;justify-content:center;align-items:center;gap:8px}
.nav-cta:hover,.btn-primary:hover{background:var(--purple-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(76,40,92,.18)}
.menu-toggle{display:none;background:none;color:var(--purple);font-size:25px}
.page-intro{padding:70px 0 58px;background:linear-gradient(120deg,#f7f1f7,#fbf9f6 58%,#edf5f1)}
.breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:30px}
.breadcrumb span:last-child{color:var(--purple);font-weight:700}
.intro-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:50px;align-items:end}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--purple);font-size:12px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--jade)}
.page-intro h1{font-size:clamp(36px,5vw,58px);line-height:1.2;letter-spacing:-.04em;margin:18px 0 18px}
.page-intro p{font-size:17px;color:var(--muted);max-width:700px;margin:0}
.intro-note{background:var(--purple-dark);color:#fff;border-radius:16px;padding:24px;box-shadow:12px 12px 0 #dcebe6}
.intro-note small{color:#cbbbd0;display:block;margin-bottom:8px}
.intro-note strong{font-size:20px;line-height:1.4;display:block}
.section{padding:78px 0}
.section.alt{background:var(--lavender)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section-head h2{font-size:32px;line-height:1.25;letter-spacing:-.03em;margin:0}
.section-head p{color:var(--muted);max-width:530px;margin:0}
.index-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.index-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;min-height:145px;transition:.25s ease}
.index-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cbb8d0}
.index-card b{display:block;color:var(--jade);font-size:13px;margin-bottom:12px}
.index-card h3{font-size:18px;margin:0 0 8px}
.index-card p{font-size:13px;color:var(--muted);margin:0}
.guide-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px}
.guide-summary{background:var(--purple);color:#fff;border-radius:var(--radius);padding:30px}
.guide-summary h3{font-size:25px;line-height:1.35;margin:0 0 15px}
.guide-summary p{color:#d9cedd;margin:0 0 24px}
.guide-summary ul{padding:0;margin:0;list-style:none}
.guide-summary li{border-top:1px solid rgba(255,255,255,.18);padding:11px 0;color:#eee5ef}
.guide-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.guide-row{display:grid;grid-template-columns:60px 1fr auto;gap:20px;align-items:center;padding:21px 25px;border-bottom:1px solid var(--line)}
.guide-row:last-child{border-bottom:0}
.guide-number{font-size:23px;font-weight:800;color:var(--jade)}
.guide-row h3{font-size:18px;margin:0 0 4px}
.guide-row p{font-size:13px;color:var(--muted);margin:0}
.row-link{color:var(--purple);font-weight:700;font-size:13px;white-space:nowrap}
.row-link:hover{color:var(--jade)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{padding:24px;background:#fff;border:1px solid var(--line);border-radius:14px;position:relative}
.step:after{content:"";position:absolute;top:35px;right:-17px;width:18px;border-top:1px dashed var(--jade)}
.step:last-child:after{display:none}
.step-num{width:38px;height:38px;border-radius:10px;background:var(--jade-soft);color:#39776d;display:grid;place-items:center;font-weight:800;margin-bottom:20px}
.step h3{font-size:18px;margin:0 0 7px}
.step p{font-size:13px;color:var(--muted);margin:0}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature{border:1px solid var(--line);padding:25px;background:#fff;border-radius:14px}
.feature h3{font-size:19px;margin:12px 0 7px}
.feature p{font-size:13px;color:var(--muted);margin:0}
.feature mark{background:var(--jade-soft);color:#39776d;padding:3px 8px;border-radius:4px;font-size:11px;font-weight:700}
.timeline{border-left:1px solid #cfc2d4;margin-left:15px;padding-left:28px}
.timeline-item{position:relative;padding:0 0 24px}
.timeline-item:before{content:"";position:absolute;width:10px;height:10px;background:var(--jade);border:3px solid var(--paper);border-radius:50%;left:-34px;top:8px}
.timeline-item small{color:var(--amber);font-weight:700}
.timeline-item h3{font-size:18px;margin:4px 0}
.timeline-item p{color:var(--muted);font-size:14px;margin:0}
.faq{max-width:880px;margin:auto}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{cursor:pointer;font-size:16px;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"＋";color:var(--jade);font-size:22px;line-height:1}
.faq details[open] summary:after{content:"－"}
.faq details[open]{background:rgba(231,241,238,.5);padding:18px 20px;border-radius:10px}
.faq p{color:var(--muted);font-size:14px;margin:12px 28px 0 0}
.notice{background:var(--jade-soft);border:1px solid #cce3dc;border-radius:var(--radius);padding:28px 32px;display:flex;justify-content:space-between;gap:28px;align-items:center}
.notice h2{font-size:25px;margin:0 0 6px}
.notice p{color:#4d726c;margin:0}
.footer{background:var(--purple-dark);color:#fff;padding:58px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
.footer .logo{color:#fff;margin-bottom:17px}
.footer-intro{color:#cbbbd0;font-size:13px;max-width:280px}
.footer h3{font-size:15px;margin:5px 0 14px}
.footer-grid>div:not(:first-child) a{display:block;color:#cbbbd0;font-size:13px;margin:8px 0}
.footer-grid a:hover{color:#a9d5c9}
.copyright{border-top:1px solid rgba(255,255,255,.16);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;color:#a999ad;font-size:12px}
@media(max-width:1024px){
.main-nav{gap:14px}.main-nav a{font-size:13px}
.intro-layout{gap:28px}.index-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.site-header,.header-inner{height:68px}.header-inner{gap:12px}
.menu-toggle{display:block;margin-left:auto}
.main-nav{display:none;position:absolute;left:22px;right:22px;top:75px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
.main-nav.open{display:flex}.main-nav a{padding:11px 0}.main-nav a.active:after{left:0;bottom:5px;transform:none}
.main-nav .nav-cta{text-align:center;margin:8px 0;padding:11px}
.intro-layout,.guide-layout{grid-template-columns:1fr}.page-intro{padding:48px 0 42px}
.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:12px}
.steps{grid-template-columns:repeat(2,1fr)}.step:after{display:none}
.feature-grid{grid-template-columns:1fr 1fr}
.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:6px}
}
@media(max-width:520px){
.container{width:min(var(--container),calc(100% - 30px))}
.logo{font-size:15px}.logo-mark{width:31px;height:31px}
.page-intro h1{font-size:36px}.page-intro p{font-size:15px}
.index-grid,.steps,.feature-grid{grid-template-columns:1fr}
.guide-row{grid-template-columns:42px 1fr;gap:12px;padding:18px 16px}.row-link{grid-column:2}
.notice{display:block;padding:23px}.notice .btn-primary{margin-top:18px}
.footer-grid{grid-template-columns:1fr;gap:23px}.copyright{margin-top:30px}
}

/* roulang page: category4 */
:root{
--ink:#241c32;--muted:#716a7d;--purple:#4c285c;--purple-dark:#321b40;
--jade:#6aa99b;--jade-soft:#e7f1ee;--amber:#c8854b;--paper:#fbf9f6;
--lavender:#f2eef5;--line:#e5dfe7;--white:#fff;--shadow:0 16px 42px rgba(48,28,59,.09);
--radius:18px;--container:1180px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
a:hover{color:var(--purple)}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 44px));margin:auto}
.site-header{height:78px;background:rgba(251,249,246,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
.header-inner{height:78px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--purple-dark);font-size:18px;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;background:var(--purple);color:#fff;display:grid;place-items:center;font-weight:700;box-shadow:5px 5px 0 #d8c8dc}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.main-nav a{font-size:14px;color:var(--muted);padding:26px 0;position:relative}
.main-nav a:hover,.main-nav a.active{color:var(--purple);font-weight:700}
.main-nav a.active:after{content:"";height:3px;width:20px;background:var(--jade);position:absolute;bottom:14px;left:50%;transform:translateX(-50%);border-radius:4px}
.nav-cta,.btn-primary{background:var(--purple);color:#fff;border-radius:10px;padding:11px 18px;font-weight:700;display:inline-flex;justify-content:center;align-items:center;gap:8px}
.nav-cta:hover,.btn-primary:hover{background:var(--purple-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(76,40,92,.18)}
.menu-toggle{display:none;background:none;color:var(--purple);font-size:25px}
.page-hero{padding:68px 0 62px;background:linear-gradient(120deg,#f7f1f7 0%,#fbf9f6 58%,#edf5f1 100%);border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:28px}
.breadcrumb a:hover{color:var(--purple)}
.breadcrumb strong{color:var(--purple);font-weight:700}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--purple);font-size:12px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--jade)}
.page-hero h1{font-size:clamp(36px,5vw,60px);line-height:1.16;letter-spacing:-.04em;margin:16px 0 18px;max-width:760px}
.page-hero p{font-size:17px;color:var(--muted);max-width:690px;margin:0}
.section{padding:84px 0}
.section.alt{background:var(--lavender)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
.section-head h2{font-size:32px;line-height:1.3;letter-spacing:-.03em;margin:0}
.section-head p{color:var(--muted);max-width:520px;margin:0}
.badge{letter-spacing:0;background:var(--jade-soft);color:#32695f;padding:5px 10px;border-radius:5px}
.support-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
.support-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:0 8px 24px rgba(48,28,59,.04)}
.support-card h3{font-size:23px;line-height:1.35;margin:14px 0 9px}
.support-card p{color:var(--muted);margin:0}
.quick-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:24px}
.quick-item{padding:16px 17px;background:var(--lavender);border-radius:12px;border:1px solid transparent}
.quick-item:hover{border-color:#cdbdd2;background:#fff;transform:translateY(-2px)}
.quick-item strong{display:block;color:var(--purple);margin-bottom:3px}
.quick-item span{font-size:13px;color:var(--muted)}
.issue-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.issue-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:24px;min-height:190px;transition:.25s ease}
.issue-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cdbdd2}
.issue-no{color:var(--jade);font-size:13px;font-weight:800;letter-spacing:.08em}
.issue-card h3{font-size:19px;margin:10px 0 7px}
.issue-card p{color:var(--muted);font-size:14px;margin:0}
.issue-card a{display:inline-block;color:var(--purple);font-weight:700;font-size:13px;margin-top:16px}
.notice-band{background:var(--purple-dark);color:#fff;border-radius:var(--radius);padding:28px 32px;display:flex;justify-content:space-between;align-items:center;gap:25px}
.notice-band h2{font-size:25px;margin:0 0 5px}
.notice-band p{color:#d8cdda;margin:0}
.btn-secondary{border:1px solid #c9bccd;color:var(--purple);border-radius:10px;padding:10px 18px;font-weight:700;background:rgba(255,255,255,.55);display:inline-flex;align-items:center;justify-content:center}
.btn-secondary:hover{border-color:var(--purple);background:#fff;transform:translateY(-2px)}
.notice-band .btn-secondary{background:#a9d5c9;border-color:#a9d5c9;color:#213c38;white-space:nowrap}
.faq{max-width:900px;margin:auto}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;font-size:17px;font-weight:700;padding-right:30px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:2px;top:-2px;color:var(--jade);font-size:25px;font-weight:400}
.faq details[open] summary{color:var(--purple)}
.faq details[open] summary:after{content:"−"}
.faq details p{color:var(--muted);margin:12px 30px 0 0;font-size:14px}
.check-panel{background:var(--jade-soft);border:1px solid #cce2dc;border-radius:var(--radius);padding:30px}
.check-panel h2{font-size:26px;margin:0 0 15px}
.check-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
.check-list li{display:flex;gap:12px;align-items:flex-start}
.check-list li:before{content:"✓";width:23px;height:23px;flex:0 0 23px;display:grid;place-items:center;border-radius:50%;background:var(--jade);color:#fff;font-size:12px;font-weight:800;margin-top:3px}
.check-list span{color:#426d65}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.contact-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:15px}
.contact-card h3{font-size:19px;margin:0 0 8px}
.contact-card p{font-size:14px;color:var(--muted);margin:0 0 15px}
.text-link{color:var(--purple);font-weight:700}
.text-link:hover{color:var(--jade)}
.footer{background:var(--purple-dark);color:#fff;padding:58px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
.footer .logo{color:#fff;margin-bottom:16px}
.footer .logo-mark{background:#a9d5c9;color:#213c38;box-shadow:5px 5px 0 rgba(169,213,201,.2)}
.footer-intro{color:#cfc2d2;max-width:280px;font-size:14px}
.footer h3{font-size:15px;margin:3px 0 15px;color:#fff}
.footer-grid>div:not(:first-child) a{display:block;color:#cfc2d2;font-size:14px;margin:8px 0}
.footer-grid>div:not(:first-child) a:hover{color:#a9d5c9}
.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#aa9daf;font-size:12px}
:focus-visible{outline:3px solid rgba(106,169,155,.55);outline-offset:3px}
@media(max-width:1024px){
.main-nav{gap:14px}
.main-nav a{font-size:13px}
.support-grid{grid-template-columns:1fr}
.issue-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1.3fr 1fr 1fr}
.footer-grid>div:last-child{grid-column:2}
}
@media(max-width:768px){
.site-header,.header-inner{height:68px}
.header-inner{gap:12px}
.logo{font-size:16px}
.logo-mark{width:31px;height:31px}
.menu-toggle{display:block;margin-left:auto}
.main-nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 22px 20px;box-shadow:0 12px 25px rgba(48,28,59,.08);flex-direction:column;align-items:stretch;gap:0}
.main-nav.is-open{display:flex}
.main-nav a{padding:12px 0}
.main-nav a.active:after{left:0;bottom:5px;transform:none}
.main-nav .nav-cta{padding:11px 16px;text-align:center;margin-top:8px}
.page-hero{padding:48px 0 45px}
.page-hero h1{font-size:40px}
.section{padding:62px 0}
.section-head{display:block;margin-bottom:25px}
.section-head h2{font-size:28px;margin-bottom:9px}
.quick-list,.contact-grid{grid-template-columns:1fr}
.notice-band{display:block;padding:25px}
.notice-band .btn-secondary{margin-top:18px}
.footer-grid{grid-template-columns:1fr 1fr;gap:28px}
.footer-grid>div:last-child{grid-column:auto}
.copyright{display:block}
.copyright span{display:block;margin-top:5px}
}
@media(max-width:520px){
.container{width:min(var(--container),calc(100% - 30px))}
.page-hero h1{font-size:34px}
.page-hero p{font-size:15px}
.issue-grid{grid-template-columns:1fr}
.support-card,.check-panel{padding:23px}
.footer-grid{grid-template-columns:1fr}
.footer-grid>div:last-child{grid-column:auto}
}

/* roulang page: category2 */
:root{
--ink:#241c32;--muted:#716a7d;--purple:#4c285c;--purple-dark:#321b40;
--jade:#6aa99b;--jade-soft:#e7f1ee;--amber:#c8854b;--paper:#fbf9f6;
--lavender:#f2eef5;--line:#e5dfe7;--white:#fff;
--shadow:0 16px 42px rgba(48,28,59,.09);--radius:18px;--container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 44px));margin:auto}
.site-header{height:78px;background:rgba(251,249,246,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
.header-inner{height:78px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--purple-dark);font-size:18px;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;background:var(--purple);color:#fff;display:grid;place-items:center;font-weight:700;box-shadow:5px 5px 0 #d8c8dc}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.main-nav a{font-size:14px;color:var(--muted);padding:26px 0;position:relative}
.main-nav a:hover,.main-nav a.active{color:var(--purple);font-weight:700}
.main-nav a.active:after{content:"";height:3px;width:20px;background:var(--jade);position:absolute;bottom:14px;left:50%;transform:translateX(-50%);border-radius:4px}
.nav-cta,.btn-primary{background:var(--purple);color:#fff!important;border-radius:10px;padding:11px 18px!important;font-weight:700;display:inline-flex;justify-content:center;align-items:center;gap:8px}
.nav-cta:hover,.btn-primary:hover{background:var(--purple-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(76,40,92,.18)}
.menu-toggle{display:none;background:none;color:var(--purple);font-size:25px}
.page-top{padding:56px 0 52px;background:linear-gradient(120deg,#f6eff7,#fbf9f6 58%,#edf5f1)}
.breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px}
.breadcrumb span:last-child{color:var(--purple);font-weight:700}
.page-top-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:end}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--purple);font-size:12px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--jade)}
.page-top h1{font-size:clamp(35px,5vw,58px);line-height:1.18;letter-spacing:-.04em;margin:15px 0 17px}
.page-top-copy{font-size:17px;color:var(--muted);max-width:650px}
.version-box{background:var(--purple-dark);color:#fff;border-radius:20px;padding:25px;box-shadow:14px 14px 0 #dcebe6}
.version-box small{color:#cdbed1;display:block}
.version-box strong{font-size:28px;display:block;margin:4px 0}
.version-box p{margin:0;color:#ded4e1;font-size:13px}
.section{padding:78px 0}
.section.alt{background:var(--lavender)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
.section-head h2{font-size:32px;line-height:1.25;letter-spacing:-.03em;margin:0}
.section-head p{color:var(--muted);max-width:530px;margin:0}
.download-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px}
.download-card{background:var(--purple);color:#fff;border-radius:var(--radius);padding:35px;min-height:330px;position:relative;overflow:hidden}
.download-card:after{content:"NG";position:absolute;right:-15px;bottom:-30px;font-size:150px;font-weight:900;color:rgba(255,255,255,.06)}
.download-card h3{font-size:29px;line-height:1.3;margin:17px 0 12px;position:relative;z-index:1}
.download-card p{color:#d9cedd;max-width:390px;position:relative;z-index:1}
.download-card .btn-primary{background:#a9d5c9;color:#213c38!important;margin-top:22px;position:relative;z-index:1}
.download-card .btn-primary:hover{background:#c5e6dd}
.device-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px}
.device-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.device-item{padding:18px;border:1px solid var(--line);border-radius:13px;background:#fcfbfa}
.device-item strong{display:block;color:var(--purple);font-size:17px;margin-bottom:3px}
.device-item span{color:var(--muted);font-size:13px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{background:var(--jade-soft);color:#32695f;padding:4px 10px;border-radius:5px;font-size:12px;font-weight:700}
.qr-layout{display:grid;grid-template-columns:180px 1fr;gap:32px;align-items:center}
.qr-code{width:164px;height:164px;border:10px solid #fff;background:
linear-gradient(45deg,#33223d 25%,transparent 25%,transparent 75%,#33223d 75%),
linear-gradient(45deg,#33223d 25%,transparent 25%,transparent 75%,#33223d 75%);
background-size:24px 24px;background-position:0 0,12px 12px;box-shadow:0 0 0 1px var(--line)}
.info-panel{border:1px solid var(--line);border-radius:16px;background:#fff;padding:28px}
.info-panel h3{font-size:23px;margin:0 0 10px}
.info-panel p{color:var(--muted);margin:0}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.meta{font-size:12px;color:#5d5667;background:var(--lavender);padding:6px 11px;border-radius:7px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.step{background:#fff;border:1px solid var(--line);border-radius:15px;padding:24px;min-height:175px}
.step-num{font-size:14px;color:var(--jade);font-weight:900;letter-spacing:.08em}
.step h3{font-size:18px;margin:15px 0 6px}
.step p{font-size:13px;color:var(--muted);margin:0}
.feature-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.feature{border:1px solid var(--line);padding:25px;background:#fff;border-radius:14px}
.feature h3{font-size:19px;margin:0 0 7px}
.feature p{font-size:13px;color:var(--muted);margin:0}
.feature mark{background:var(--jade-soft);color:#39776d;padding:3px 8px;border-radius:4px;font-size:11px;font-weight:700}
.faq{max-width:850px;margin:auto}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:700;list-style:none;padding-right:25px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"＋";position:absolute;right:0;color:var(--jade);font-size:20px;top:-3px}
.faq details[open] summary{color:var(--purple)}
.faq details[open] summary:after{content:"−"}
.faq details p{color:var(--muted);font-size:14px;margin:10px 0 0;padding-right:30px}
.security{background:var(--jade-soft);border:1px solid #cce2dc;border-radius:18px;padding:31px;display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:center}
.security h2{font-size:27px;line-height:1.3;margin:0 0 10px}
.security p{color:#4c716b;margin:0}
.security-list{display:grid;gap:10px}
.security-list div{background:rgba(255,255,255,.7);padding:12px 15px;border-radius:9px;font-weight:700;color:#386b62}
.action-band{background:var(--purple-dark);color:#fff;padding:45px 0}
.action-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
.action-inner h2{font-size:29px;margin:0 0 5px}
.action-inner p{color:#d5cbd9;margin:0}
.btn-secondary{border:1px solid #c9bccd;color:var(--purple);border-radius:10px;padding:10px 18px;font-weight:700;background:rgba(255,255,255,.55);display:inline-flex;justify-content:center;align-items:center}
.btn-secondary:hover{border-color:var(--purple);background:#fff;transform:translateY(-2px)}
.action-band .btn-secondary{background:#a9d5c9;border-color:#a9d5c9;color:#213c38}
.footer{background:#21182b;color:#e9e2ec;padding:52px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
.footer .logo{color:#fff;margin-bottom:15px}
.footer-intro{color:#bdb1c2;font-size:13px;max-width:280px;margin:0}
.footer h3{font-size:14px;color:#fff;margin:0 0 14px}
.footer-grid>div:not(:first-child) a{display:block;color:#bdb1c2;font-size:13px;margin:8px 0}
.footer-grid a:hover{color:#a9d5c9}
.copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#94889b;font-size:12px}
:focus-visible{outline:3px solid rgba(106,169,155,.55);outline-offset:3px}
@media(max-width:1024px){
.main-nav{gap:14px}.hero-grid,.page-top-grid{gap:30px}.steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.container{width:min(var(--container),calc(100% - 30px))}
.site-header,.header-inner{height:68px}
.header-inner{gap:12px}.logo{font-size:16px}.logo-mark{width:31px;height:31px}
.menu-toggle{display:block;margin-left:auto}
.main-nav{display:none;position:absolute;left:15px;right:15px;top:68px;background:var(--paper);border:1px solid var(--line);border-radius:0 0 14px 14px;padding:10px 18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
.main-nav.open{display:flex}.main-nav a{padding:12px 0}.main-nav a.active:after{left:0;transform:none;bottom:7px}.main-nav .nav-cta{margin:8px 0;text-align:center}
.page-top{padding:40px 0}.page-top-grid,.download-grid,.security{grid-template-columns:1fr}
.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:12px}
.device-list,.feature-grid{grid-template-columns:1fr 1fr}.qr-layout{grid-template-columns:140px 1fr;gap:22px}
.action-inner{display:block}.action-inner .btn-secondary{margin-top:20px}
.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:5px}
}
@media(max-width:520px){
.page-top h1{font-size:36px}.page-top-copy{font-size:15px}.version-box{box-shadow:8px 8px 0 #dcebe6}
.device-list,.feature-grid,.steps{grid-template-columns:1fr}.download-card,.device-card,.info-panel{padding:24px}
.qr-layout{grid-template-columns:1fr}.qr-code{margin:auto}.footer-grid{grid-template-columns:1fr;gap:23px}
}