/* roulang page: index */
:root{--ink:#241a2b;--ink-2:#392d40;--coral:#e86d4f;--coral-dark:#c9563d;--mint:#9cc8b2;--paper:#faf7f2;--warm:#f1ece5;--white:#fffdf9;--text:#2f2b31;--muted:#766e75;--line:#e5ddd5;--radius:18px;--shadow:0 14px 40px rgba(36,26,43,.08);--container:1220px}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;background:var(--paper);color:var(--text);line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit;border:0;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid rgba(232,109,79,.42);outline-offset:3px}.container{width:min(var(--container),calc(100% - 48px));margin:auto}.site-header{height:78px;background:rgba(250,247,242,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);font-size:19px;white-space:nowrap}.brand-mark{width:34px;height:34px;border-radius:12px 12px 12px 4px;background:var(--coral);position:relative}.brand-mark:after{content:"";position:absolute;width:11px;height:11px;background:var(--mint);border-radius:50%;right:6px;top:6px}.nav-links{display:flex;align-items:center;gap:26px;font-size:14px;color:var(--muted)}.nav-links a{height:78px;display:flex;align-items:center;position:relative;transition:.2s}.nav-links a:hover,.nav-links a.active{color:var(--coral)}.nav-links a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;border-radius:3px;background:var(--coral)}.nav-cta{background:var(--coral);color:#fff!important;padding:10px 17px;border-radius:10px;font-weight:700;transition:.2s}.nav-cta:hover{background:var(--coral-dark);transform:translateY(-2px)}.menu-toggle{display:none;background:var(--ink);color:white;border-radius:9px;padding:7px 11px}
main{overflow:hidden}.hero{padding:92px 0 78px;background:var(--paper);position:relative}.hero:before{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(156,200,178,.55);border-radius:50%;right:-100px;top:-110px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:18px}.eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}h1{font-size:clamp(38px,5vw,68px);line-height:1.15;letter-spacing:-.045em;color:var(--ink);max-width:680px}h1 em{font-style:normal;color:var(--coral)}.hero-copy{font-size:18px;color:var(--muted);max-width:600px;margin:25px 0 30px}.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:11px;font-weight:700;transition:.2s}.btn-primary{background:var(--coral);color:white;box-shadow:0 8px 18px rgba(232,109,79,.2)}.btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px)}.btn-secondary{border:1px solid var(--ink);color:var(--ink);background:transparent}.btn-secondary:hover{background:#f4d7ce;border-color:var(--coral)}.hero-note{font-size:13px;color:var(--muted);margin-top:17px}.hero-art{min-height:390px;background:var(--ink);border-radius:34px;padding:27px;position:relative;color:white;box-shadow:var(--shadow);overflow:hidden}.hero-art:after{content:"";position:absolute;width:250px;height:250px;border:1px solid rgba(156,200,178,.4);border-radius:50%;right:-50px;bottom:-80px}.art-top{display:flex;justify-content:space-between;align-items:center;color:#d8cbd9;font-size:13px}.art-dot{width:9px;height:9px;background:var(--mint);border-radius:50%;display:inline-block}.art-panel{position:absolute;left:27px;right:27px;top:88px;background:#fffaf4;color:var(--ink);border-radius:22px;padding:24px;min-height:220px}.art-panel h3{font-size:25px;line-height:1.3;margin:12px 0}.art-panel p{color:var(--muted);font-size:14px}.art-lines{display:grid;gap:10px;margin-top:24px}.art-line{height:10px;border-radius:10px;background:#eaded5}.art-line.short{width:58%;background:var(--mint)}.art-label{display:inline-block;background:#f8ded5;color:var(--coral-dark);border-radius:30px;padding:5px 10px;font-size:12px;font-weight:700}.feature-strip{background:var(--ink);color:white;padding:26px 0}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.feature-item{padding:8px 18px;border-right:1px solid rgba(255,255,255,.16)}.feature-item:last-child{border:0}.feature-number{color:var(--mint);font-size:30px;font-weight:800;line-height:1.2}.feature-title{font-weight:700;margin:5px 0 2px}.feature-desc{font-size:13px;color:#c8bdc9}.section{padding:100px 0}.section-soft{background:var(--warm)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:38px}.section-kicker{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.section-title{font-size:clamp(28px,3.5vw,46px);line-height:1.2;color:var(--ink);margin-top:8px;letter-spacing:-.03em}.section-intro{max-width:490px;color:var(--muted);font-size:15px}.brand-panel{display:grid;grid-template-columns:1fr 1.3fr;gap:45px;align-items:center}.brand-statement{font-size:clamp(28px,4vw,52px);color:var(--ink);line-height:1.25;font-weight:800}.brand-statement span{color:var(--coral)}.brand-copy{color:var(--muted);margin-top:20px;max-width:500px}.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}.tag{display:inline-flex;padding:7px 12px;border-radius:30px;background:#eadfd6;color:var(--ink-2);font-size:13px}.tag.mint{background:#dcece3}.brand-points{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.point-card{border:1px solid var(--line);background:var(--white);border-radius:16px;padding:22px;min-height:150px;transition:.25s}.point-card:hover,.content-card:hover,.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d4bcb3}.point-icon{width:35px;height:35px;background:var(--coral);color:#fff;border-radius:10px;display:grid;place-items:center;font-weight:800;margin-bottom:17px}.point-card h3{font-size:18px;color:var(--ink);margin-bottom:6px}.point-card p{font-size:14px;color:var(--muted)}.content-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.content-card{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:27px;transition:.25s;position:relative}.content-card.featured{min-height:330px;background:var(--ink);color:white;display:flex;flex-direction:column;justify-content:end;padding:34px}.content-card.featured:before{content:"精选内容";position:absolute;top:25px;left:27px;background:var(--mint);color:var(--ink);font-size:12px;padding:5px 10px;border-radius:30px;font-weight:700}.content-card.featured h3{font-size:30px;line-height:1.3;max-width:520px}.content-card.featured p{color:#d9ceda;max-width:570px}.content-card.featured .card-meta{color:#c8bdc9}.content-stack{display:grid;gap:20px}.content-card h3{font-size:20px;line-height:1.4;color:var(--ink);margin:12px 0 8px}.content-card p{color:var(--muted);font-size:14px}.content-card.featured h3{color:white}.card-meta{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:12px;margin-top:18px}.card-label{color:var(--coral);font-weight:800}.read-link{display:inline-flex;gap:7px;color:var(--coral);font-size:13px;font-weight:800;margin-top:18px}.read-link:after{content:"→";transition:.2s}.read-link:hover:after{transform:translateX(4px)}.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}.steps:before{content:"";position:absolute;top:22px;left:9%;right:9%;height:1px;background:#d6c8be}.step{position:relative;text-align:center;padding:0 12px}.step-num{width:45px;height:45px;border-radius:50%;display:grid;place-items:center;margin:0 auto 20px;background:var(--paper);border:1px solid var(--coral);color:var(--coral);font-weight:800;position:relative;z-index:1}.step h3{font-size:16px;color:var(--ink);margin-bottom:6px}.step p{font-size:13px;color:var(--muted)}.download-band{background:var(--coral);color:white;padding:80px 0}.download-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:65px;align-items:center}.download-band .section-kicker{color:#ffe5dc}.download-band .section-title{color:white}.download-copy{color:#ffe8e1;margin:18px 0 25px;max-width:520px}.download-band .btn-primary{background:var(--ink);box-shadow:none}.download-band .btn-primary:hover{background:#3c2d45}.download-band .btn-secondary{border-color:white;color:white}.device-stage{height:300px;position:relative}.phone{position:absolute;width:166px;height:290px;border:8px solid var(--ink);border-radius:28px;background:var(--white);padding:18px 12px;color:var(--ink);box-shadow:0 16px 25px rgba(36,26,43,.2)}.phone.one{left:8%;top:12px;transform:rotate(-8deg)}.phone.two{right:12%;top:0;transform:rotate(8deg);background:#f7eee7}.phone-notch{height:7px;width:52px;border-radius:8px;background:var(--ink);margin:0 auto 22px}.phone h4{font-size:16px;line-height:1.3;margin:14px 0}.phone-bar{height:38px;border-radius:10px;background:#eadfd6;margin-top:13px}.phone-bar.green{background:#cfe6d8}.download-meta{display:flex;gap:18px;flex-wrap:wrap;color:#ffe8e1;font-size:13px;margin-top:20px}.mobile-showcase{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:center}.showcase-copy h3{font-size:30px;line-height:1.3;color:var(--ink);margin:12px 0}.showcase-copy p{color:var(--muted);max-width:470px}.scene-list{display:grid;gap:13px;margin-top:25px}.scene-item{display:flex;gap:14px;align-items:flex-start}.scene-item b{display:grid;place-items:center;min-width:30px;height:30px;background:var(--mint);border-radius:9px;color:var(--ink);font-size:13px}.scene-item strong{display:block;color:var(--ink);font-size:15px}.scene-item span{color:var(--muted);font-size:13px}.device-row{display:flex;justify-content:center;align-items:end;gap:22px;min-height:380px}.device-card{width:190px;height:350px;background:var(--ink);border:7px solid var(--ink);border-radius:28px;padding:17px;color:white;box-shadow:var(--shadow)}.device-card.small{width:150px;height:270px;background:#e7f0e9;color:var(--ink);margin-bottom:12px}.device-card .phone-notch{background:var(--mint)}.device-card h4{font-size:18px;line-height:1.35;margin:20px 0}.device-card.small h4{font-size:15px}.device-chip{display:inline-block;font-size:11px;padding:5px 8px;background:rgba(156,200,178,.2);border-radius:8px;color:var(--mint)}.news-section{background:var(--warm)}.news-list{border-top:1px solid #d9cec5}.news-item{display:grid;grid-template-columns:130px 1fr 95px;gap:22px;align-items:center;padding:22px 0;border-bottom:1px solid #d9cec5;transition:.2s}.news-item:hover{padding-left:8px;background:rgba(255,255,255,.24)}.news-date{font-size:13px;color:var(--muted)}.news-info h3{font-size:19px;color:var(--ink);margin-bottom:4px}.news-info p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.news-tag{justify-self:end;color:var(--coral);font-size:12px;font-weight:700}.empty-state{padding:42px;text-align:center;border:1px dashed #cfc0b5;color:var(--muted);border-radius:16px}.calendar-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:start}.calendar-card{background:var(--ink);border-radius:22px;color:white;padding:30px;min-height:220px}.calendar-card .month{font-size:52px;color:var(--mint);font-weight:800;line-height:1}.calendar-card p{color:#d2c7d3;margin-top:15px}.timeline{border-left:2px solid #dccdc3;padding-left:28px;display:grid;gap:25px}.timeline-item{position:relative}.timeline-item:before{content:"";position:absolute;width:10px;height:10px;background:var(--coral);border:4px solid var(--paper);border-radius:50%;left:-35px;top:6px}.timeline-item time{font-size:12px;color:var(--coral);font-weight:800}.timeline-item h3{color:var(--ink);font-size:17px}.timeline-item p{font-size:14px;color:var(--muted)}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.guide-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:25px;transition:.25s}.guide-card h3{font-size:18px;color:var(--ink);margin:13px 0 7px}.guide-card p{font-size:14px;color:var(--muted)}.guide-num{color:var(--coral);font-size:13px;font-weight:800}.security-bar{background:var(--ink);border-radius:22px;padding:32px 38px;color:white;display:flex;align-items:center;justify-content:space-between;gap:30px}.security-bar h2{font-size:25px;margin-bottom:8px}.security-bar p{color:#d3c8d4;font-size:14px;max-width:730px}.security-icon{width:58px;height:58px;flex:none;border:1px solid var(--mint);color:var(--mint);border-radius:17px;display:grid;place-items:center;font-size:25px}.faq-wrap{max-width:900px;margin:0 auto}.faq-item{border-bottom:1px solid var(--line)}.faq-item:first-child{border-top:1px solid var(--line)}.faq-item summary{list-style:none;cursor:pointer;padding:22px 4px;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;gap:20px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";color:var(--coral);font-size:22px;line-height:1}.faq-item[open] summary:after{content:"−"}.faq-answer{padding:0 40px 22px 4px;color:var(--muted);font-size:14px}.final-cta{background:var(--warm);padding:70px 0;text-align:center}.final-cta h2{font-size:clamp(28px,4vw,45px);color:var(--ink);line-height:1.25}.final-cta p{color:var(--muted);margin:13px auto 24px}.footer{background:var(--ink);color:white;padding:56px 0 25px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:45px}.footer .brand{color:white;margin-bottom:16px}.footer-desc{color:#c7bdc9;font-size:14px;max-width:280px}.footer h3{font-size:14px;margin-bottom:15px;color:var(--mint)}.footer-links{display:grid;gap:8px;color:#c7bdc9;font-size:13px}.footer-links a:hover{color:white}.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#a99eab;font-size:12px}.back-top{color:var(--mint)}@media(max-width:1024px){.nav-links{gap:14px}.hero-grid{gap:35px}.feature-grid{grid-template-columns:repeat(2,1fr)}.feature-item:nth-child(2){border:0}.section{padding:78px 0}.steps{grid-template-columns:repeat(5,1fr)}.content-layout{grid-template-columns:1fr}.content-stack{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}@media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.site-header{height:68px}.nav-wrap{gap:12px}.brand{font-size:16px}.brand-mark{width:30px;height:30px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:16px;right:16px;top:75px;background:var(--white);border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}.nav-links.open{display:flex}.nav-links a{height:auto;padding:12px 14px}.nav-links a.active:after{display:none}.nav-links .nav-cta{text-align:center;margin-top:5px}.hero{padding:62px 0 56px}.hero-grid,.brand-panel,.download-grid,.mobile-showcase,.calendar-layout{grid-template-columns:1fr}.hero-art{min-height:330px}.feature-grid{gap:0}.feature-item{padding:12px;border-right:0;border-bottom:1px solid rgba(255,255,255,.16)}.feature-item:nth-last-child(-n+2){border-bottom:0}.section-head{display:block}.section-intro{margin-top:16px}.steps{grid-template-columns:1fr;gap:25px}.steps:before{left:22px;top:22px;bottom:22px;width:1px;height:auto}.step{display:grid;grid-template-columns:45px 1fr;text-align:left;gap:16px;align-items:start;padding:0}.step-num{margin:0}.step p{grid-column:2}.device-stage{margin-top:20px}.device-row{min-height:330px}.news-item{grid-template-columns:80px 1fr}.news-tag{display:none}.guide-grid{grid-template-columns:1fr}.security-bar{align-items:flex-start;padding:27px 23px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}}@media(max-width:520px){h1{font-size:39px}.hero-copy{font-size:16px}.actions{display:grid;grid-template-columns:1fr}.btn{width:100%}.feature-grid{grid-template-columns:1fr}.feature-item:nth-last-child(2){border-bottom:1px solid rgba(255,255,255,.16)}.content-stack{grid-template-columns:1fr}.brand-points{grid-template-columns:1fr}.content-card.featured h3{font-size:24px}.device-row{gap:8px;transform:scale(.88);transform-origin:center}.phone.one{left:0}.phone.two{right:0}.news-item{grid-template-columns:1fr;gap:6px}.news-info h3{font-size:17px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.faq-answer{padding-right:0}}

/* roulang page: article */
:root{--ink:#241a2b;--ink-2:#392d40;--coral:#e86d4f;--coral-dark:#c9563d;--mint:#9cc8b2;--paper:#faf7f2;--warm:#f1ece5;--white:#fffdf9;--text:#2f2b31;--muted:#766e75;--line:#e5ddd5;--radius:18px;--shadow:0 14px 40px rgba(36,26,43,.08);--container:1220px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;background:var(--paper);color:var(--text);line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;border:0;cursor:pointer}
button:focus-visible,a:focus-visible{outline:3px solid rgba(232,109,79,.42);outline-offset:3px}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{height:78px;background:rgba(250,247,242,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);font-size:19px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:12px 12px 12px 4px;background:var(--coral);position:relative;flex:0 0 auto}
.brand-mark:after{content:"";position:absolute;width:11px;height:11px;background:var(--mint);border-radius:50%;right:6px;top:6px}
.nav-links{display:flex;align-items:center;gap:26px;font-size:14px;color:var(--muted)}
.nav-links a{height:78px;display:flex;align-items:center;position:relative;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--coral)}
.nav-links a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;border-radius:3px;background:var(--coral)}
.nav-links .nav-cta{height:auto;background:var(--coral);color:#fff!important;padding:10px 17px;border-radius:10px;font-weight:700;transition:.2s}
.nav-links .nav-cta:after{display:none}
.nav-links .nav-cta:hover{background:var(--coral-dark);transform:translateY(-2px)}
.menu-toggle{display:none;background:var(--ink);color:#fff;border-radius:9px;padding:8px 11px;font-size:14px}
main{overflow:hidden}
.article-hero{padding:54px 0 44px;background:linear-gradient(180deg,var(--warm) 0%,var(--paper) 100%);border-bottom:1px solid var(--line)}
.breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:9px;color:var(--muted);font-size:14px;margin-bottom:26px}
.breadcrumbs a:hover{color:var(--coral)}
.breadcrumbs i{font-style:normal;color:#b6aab0}
.article-category{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:24px;background:#dcece3;color:var(--ink-2);font-size:13px;font-weight:800}
.article-category:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--coral)}
.article-title{max-width:950px;margin:17px 0 20px;color:var(--ink);font-size:clamp(32px,4.4vw,58px);line-height:1.2;letter-spacing:-.04em;font-weight:800}
.article-summary{max-width:820px;margin:0;color:var(--muted);font-size:17px;line-height:1.85}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px 20px;margin-top:26px;color:var(--muted);font-size:14px}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta span:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint)}
.article-layout{display:grid;grid-template-columns:minmax(0,820px) 245px;justify-content:space-between;gap:62px;padding:70px 0 84px}
.article-content{min-width:0;background:var(--white);border:1px solid var(--line);border-radius:24px;padding:clamp(25px,5vw,58px);box-shadow:var(--shadow)}
.article-content>*:first-child{margin-top:0}
.article-content h2{color:var(--ink);font-size:28px;line-height:1.35;margin:46px 0 18px;font-weight:800}
.article-content h3{color:var(--ink-2);font-size:21px;line-height:1.45;margin:30px 0 13px;font-weight:800}
.article-content p{font-size:17px;line-height:2;color:#403a42;margin:0 0 22px}
.article-content ul,.article-content ol{margin:0 0 24px;padding-left:1.45em;font-size:16px}
.article-content li{margin:9px 0;padding-left:4px}
.article-content a{color:var(--coral);font-weight:700;border-bottom:1px solid rgba(232,109,79,.35)}
.article-content a:hover{color:var(--coral-dark)}
.article-content blockquote{margin:30px 0;padding:20px 24px;border-left:4px solid var(--coral);background:#fbf0eb;color:var(--ink-2);border-radius:0 14px 14px 0;font-size:17px}
.article-content img{width:auto;height:auto;margin:30px auto;border-radius:16px;border:1px solid var(--line)}
.article-content table{width:100%;display:block;overflow-x:auto;border-collapse:collapse;margin:28px 0;font-size:15px}
.article-content th,.article-content td{border:1px solid var(--line);padding:12px 14px;text-align:left;white-space:nowrap}
.article-content th{background:var(--warm);color:var(--ink)}
.article-content hr{border:0;border-top:1px solid var(--line);margin:38px 0}
.reading-aside{align-self:start;position:sticky;top:104px}
.aside-card{background:var(--ink);color:#fff;border-radius:20px;padding:25px;overflow:hidden;position:relative}
.aside-card:after{content:"";position:absolute;width:130px;height:130px;border:1px solid rgba(156,200,178,.45);border-radius:50%;right:-53px;bottom:-61px}
.aside-kicker{color:var(--mint);font-size:12px;letter-spacing:.11em;font-weight:800}
.aside-card h2{font-size:22px;line-height:1.42;margin:10px 0;color:#fff;position:relative;z-index:1}
.aside-card p{font-size:14px;line-height:1.75;color:#d8ced8;margin:0;position:relative;z-index:1}
.aside-list{list-style:none;padding:0;margin:23px 0 0;position:relative;z-index:1}
.aside-list li{padding:10px 0;border-top:1px solid rgba(255,255,255,.15);font-size:13px;color:#e9dfe8}
.article-note{padding:28px 0;background:var(--warm);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.note-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
.note-item{padding:4px 18px;border-right:1px solid var(--line)}
.note-item:last-child{border-right:0}
.note-label{display:block;color:var(--coral);font-size:12px;font-weight:800;letter-spacing:.08em}
.note-value{display:block;margin-top:3px;color:var(--ink);font-size:15px;font-weight:700}
.related-section{padding:88px 0;background:var(--paper)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
.section-kicker{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.1em}
.section-title{margin:6px 0 0;color:var(--ink);font-size:clamp(27px,3vw,42px);line-height:1.25;font-weight:800;letter-spacing:-.03em}
.section-intro{max-width:450px;margin:0;color:var(--muted);font-size:15px}
.related-grid{display:grid;grid-template-columns:1.25fr .9fr .9fr;gap:18px}
.related-card{display:flex;flex-direction:column;min-height:225px;padding:25px;border-radius:19px;border:1px solid var(--line);background:var(--white);transition:.25s}
.related-card:hover{transform:translateY(-4px);border-color:#d4bcb3;box-shadow:var(--shadow)}
.related-card.feature{background:var(--ink);border-color:var(--ink);color:#fff}
.related-card .card-tag{color:var(--coral);font-size:12px;font-weight:800}
.related-card.feature .card-tag{color:var(--mint)}
.related-card h3{font-size:21px;line-height:1.45;color:var(--ink);margin:14px 0 10px;font-weight:800}
.related-card.feature h3{color:#fff;font-size:25px}
.related-card p{font-size:14px;color:var(--muted);margin:0}
.related-card.feature p{color:#d8ced8}
.card-link{margin-top:auto;padding-top:20px;color:var(--coral);font-size:14px;font-weight:800}
.download-strip{padding:78px 0;background:var(--coral);position:relative;overflow:hidden}
.download-strip:before{content:"";position:absolute;width:390px;height:390px;border:1px solid rgba(255,255,255,.32);border-radius:50%;right:-120px;top:-210px}
.download-inner{display:flex;align-items:center;justify-content:space-between;gap:35px;position:relative}
.download-copy{max-width:720px;color:#fff}
.download-copy .section-kicker{color:#ffe7df}
.download-copy h2{font-size:clamp(28px,3.5vw,44px);line-height:1.25;margin:8px 0 13px;font-weight:800}
.download-copy p{margin:0;color:#fff0eb;font-size:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:11px;font-weight:700;transition:.2s}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#3c2d45;color:#fff;transform:translateY(-2px)}
.btn-light{background:var(--white);color:var(--ink)}
.btn-light:hover{background:#fff2ed;color:var(--ink);transform:translateY(-2px)}
.footer{background:var(--ink);color:#fff;padding:66px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;padding-bottom:47px}
.footer .brand{color:#fff;font-size:18px}
.footer-desc{max-width:320px;margin:18px 0 0;color:#cbbfca;font-size:14px;line-height:1.8}
.footer h3{margin:3px 0 16px;color:var(--mint);font-size:14px;font-weight:800}
.footer-links{display:flex;flex-direction:column;gap:9px;font-size:14px;color:#dfd3de}
.footer-links a{transition:.2s}
.footer-links a:hover{color:var(--coral);transform:translateX(3px)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:18px;border-top:1px solid rgba(255,255,255,.14);padding-top:23px;color:#bcaebb;font-size:13px}
.back-top{color:var(--mint);font-weight:700}
.back-top:hover{color:#fff}
@media(max-width:1024px){
.nav-links{gap:15px}.nav-links a{font-size:13px}.article-layout{grid-template-columns:minmax(0,1fr) 205px;gap:28px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}.related-grid{grid-template-columns:1fr 1fr}.related-card.feature{grid-column:span 2}
}
@media(max-width:768px){
.container{width:min(var(--container),calc(100% - 32px))}.site-header{height:68px}.nav-wrap{gap:12px}.brand{font-size:16px}.brand-mark{width:30px;height:30px}.menu-toggle{display:block}.nav-links{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:var(--shadow);flex-direction:column;align-items:stretch;gap:0}.nav-links.open{display:flex}.nav-links a{height:auto;padding:12px 4px}.nav-links a.active:after{top:auto;bottom:4px;right:auto;width:28px}.nav-links .nav-cta{margin:8px 0 0;text-align:center}.article-hero{padding:38px 0 34px}.article-title{font-size:36px}.article-summary{font-size:16px}.article-layout{display:block;padding:42px 0 58px}.article-content{padding:26px 22px;border-radius:18px}.article-content p{font-size:16px;line-height:1.9}.article-content h2{font-size:25px;margin-top:36px}.reading-aside{position:static;margin-top:22px}.note-grid{grid-template-columns:1fr}.note-item{border-right:0;border-bottom:1px solid var(--line);padding:12px 0}.note-item:last-child{border-bottom:0}.related-section{padding:62px 0}.section-head{display:block}.section-intro{margin-top:13px}.related-grid{grid-template-columns:1fr}.related-card.feature{grid-column:auto}.download-inner{display:block}.download-inner .btn{margin-top:25px}.footer-grid{grid-template-columns:1fr 1fr;gap:32px}.footer-grid>div:first-child{grid-column:1/-1}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{align-items:flex-start;flex-direction:column}
}
@media(max-width:520px){
.container{width:calc(100% - 28px)}.brand span:last-child{max-width:205px;overflow:hidden;text-overflow:ellipsis}.article-title{font-size:30px}.article-meta{gap:8px 14px}.article-content{padding:23px 18px}.article-content blockquote{margin-left:0;margin-right:0;padding:17px}.related-card{min-height:195px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.download-strip{padding:58px 0}
}

/* roulang page: category1 */
:root{--ink:#241a2b;--ink-2:#392d40;--coral:#e86d4f;--coral-dark:#c9563d;--mint:#9cc8b2;--paper:#faf7f2;--warm:#f1ece5;--white:#fffdf9;--text:#2f2b31;--muted:#766e75;--line:#e5ddd5;--radius:18px;--shadow:0 14px 40px rgba(36,26,43,.08);--container:1220px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;background:var(--paper);color:var(--text);line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    button:focus-visible,a:focus-visible{outline:3px solid rgba(232,109,79,.42);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{height:78px;background:rgba(250,247,242,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);font-size:19px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:12px 12px 12px 4px;background:var(--coral);position:relative;display:inline-block}
    .brand-mark:after{content:"";position:absolute;width:11px;height:11px;background:var(--mint);border-radius:50%;right:6px;top:6px}
    .nav-links{display:flex;align-items:center;gap:26px;font-size:14px;color:var(--muted)}
    .nav-links a{height:78px;display:flex;align-items:center;position:relative;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--coral)}
    .nav-links a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;border-radius:3px;background:var(--coral)}
    .nav-cta{background:var(--coral);color:#fff!important;padding:10px 17px;border-radius:10px;font-weight:700;height:auto!important}
    .nav-cta:hover{background:var(--coral-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;background:var(--ink);color:white;border-radius:9px;padding:7px 11px}
    main{overflow:hidden}
    .page-hero{padding:80px 0 70px;background:var(--paper);position:relative}
    .page-hero:after{content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(156,200,178,.6);border-radius:50%;right:-90px;top:-120px}
    .breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:24px;position:relative;z-index:1}
    .breadcrumb a:hover{color:var(--coral)}
    .breadcrumb span{color:#b7a9ae}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:16px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(36px,5vw,68px);line-height:1.18;letter-spacing:-.04em;color:var(--ink);max-width:760px;margin-bottom:22px;position:relative;z-index:1}
    .hero-text{max-width:650px;color:var(--muted);font-size:18px;margin-bottom:28px;position:relative;z-index:1}
    .hero-tags{display:flex;flex-wrap:wrap;gap:9px;position:relative;z-index:1}
    .tag{display:inline-flex;padding:7px 13px;border-radius:30px;background:#eadfd6;color:var(--ink-2);font-size:13px}
    .tag.mint{background:#dcece3}
    .section{padding:92px 0}
    .section-soft{background:var(--warm)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:38px}
    .section-kicker{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.1em}
    .section-title{font-size:clamp(28px,3.5vw,46px);line-height:1.2;color:var(--ink);margin:8px 0 0;letter-spacing:-.03em}
    .section-intro{max-width:510px;color:var(--muted);font-size:15px;margin-bottom:0}
    .metric-band{background:var(--ink);color:#fff;padding:28px 0}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .metric{padding:8px 20px;border-right:1px solid rgba(255,255,255,.16)}
    .metric:last-child{border:0}
    .metric-number{font-size:28px;font-weight:800;color:var(--mint);line-height:1.2}
    .metric-title{font-weight:700;margin:6px 0 2px}
    .metric p{font-size:13px;color:#c8bdc9;margin:0}
    .advantage-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:58px;align-items:start}
    .statement{font-size:clamp(28px,4vw,50px);color:var(--ink);line-height:1.25;font-weight:800}
    .statement em{font-style:normal;color:var(--coral)}
    .muted-copy{color:var(--muted);font-size:15px}
    .advantage-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .advantage-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:24px;min-height:182px;transition:.25s}
    .advantage-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d4bcb3}
    .card-index{display:inline-flex;width:31px;height:31px;border-radius:50%;align-items:center;justify-content:center;background:#f4d7ce;color:var(--coral-dark);font-size:13px;font-weight:800;margin-bottom:16px}
    .advantage-card h3{font-size:19px;color:var(--ink);margin-bottom:7px}
    .advantage-card p{font-size:14px;color:var(--muted);margin:0}
    .identity-panel{background:var(--ink);border-radius:24px;color:#fff;padding:38px;display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}
    .identity-panel h2{font-size:clamp(27px,3.5vw,43px);line-height:1.25;margin-bottom:15px}
    .identity-panel p{color:#d8ccd9;max-width:520px;margin-bottom:0}
    .identity-points{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
    .identity-point{border:1px solid rgba(255,255,255,.17);border-radius:14px;padding:18px;background:rgba(255,255,255,.04)}
    .identity-point strong{display:block;color:var(--mint);font-size:16px;margin-bottom:5px}
    .identity-point span{font-size:13px;color:#c8bdc9}
    .update-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .update-card{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:25px}
    .update-card h3{font-size:21px;color:var(--ink);margin:12px 0 8px}
    .update-card p{font-size:14px;color:var(--muted);margin-bottom:18px}
    .update-card ul{list-style:none;margin:0;padding:0}
    .update-card li{border-top:1px solid var(--line);padding:12px 0;font-size:14px;color:var(--ink-2)}
    .update-card li:before{content:"↗";color:var(--coral);font-weight:800;margin-right:8px}
    .content-list{display:grid;gap:15px}
    .content-item{display:grid;grid-template-columns:105px 1fr auto;gap:23px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:16px;padding:21px 24px;transition:.25s}
    .content-item:hover{transform:translateX(4px);border-color:#d4bcb3;box-shadow:var(--shadow)}
    .content-date{color:var(--coral);font-weight:800;font-size:14px}
    .content-category{display:inline-block;color:var(--muted);font-size:12px;margin-bottom:4px}
    .content-item h3{font-size:18px;color:var(--ink);margin:0 0 4px}
    .content-item p{font-size:13px;color:var(--muted);margin:0}
    .arrow-link{color:var(--coral);font-weight:700;font-size:14px;white-space:nowrap}
    .empty-state{background:var(--white);border:1px dashed #cbbcb5;border-radius:18px;padding:34px;text-align:center;color:var(--muted)}
    .empty-state strong{display:block;color:var(--ink);font-size:18px;margin-bottom:5px}
    .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .guide-card{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:25px;transition:.25s}
    .guide-card .guide-no{color:var(--coral);font-weight:800;font-size:14px}
    .guide-card h3{font-size:20px;color:var(--ink);margin:10px 0 7px}
    .guide-card p{font-size:14px;color:var(--muted);margin:0}
    .faq-list{max-width:900px;margin:auto}
    .faq-list details{background:var(--white);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;padding:0 21px}
    .faq-list summary{cursor:pointer;list-style:none;padding:19px 30px 19px 0;color:var(--ink);font-weight:700;position:relative}
    .faq-list summary::-webkit-details-marker{display:none}
    .faq-list summary:after{content:"＋";position:absolute;right:0;color:var(--coral);font-size:21px;top:15px}
    .faq-list details[open] summary:after{content:"－"}
    .faq-answer{border-top:1px solid var(--line);padding:15px 0 19px;color:var(--muted);font-size:14px}
    .cta-band{background:#f4d7ce;padding:54px 0}
    .cta-wrap{display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta-wrap h2{color:var(--ink);font-size:clamp(26px,3.2vw,40px);margin:0 0 8px}
    .cta-wrap p{color:var(--muted);margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:11px;font-weight:700;transition:.2s}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(232,109,79,.2)}
    .btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px)}
    .btn-secondary{border:1px solid var(--ink);color:var(--ink);background:transparent}
    .btn-secondary:hover{background:#f4d7ce;border-color:var(--coral)}
    .footer{background:var(--ink);color:#fff;padding:64px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px;padding-bottom:48px}
    .footer .brand{color:#fff;margin-bottom:15px}
    .footer-desc{color:#c8bdc9;font-size:14px;max-width:290px}
    .footer h3{font-size:15px;margin:3px 0 16px;color:#fff}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#c8bdc9;font-size:14px;transition:.2s}
    .footer-links a:hover{color:var(--mint)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:20px;color:#a99eaa;font-size:12px;display:flex;justify-content:space-between;gap:18px;align-items:center}
    .back-top{color:var(--mint)}
    @media(max-width:1024px){
      .nav-links{gap:15px}
      .advantage-layout{gap:32px}
      .identity-panel{gap:28px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header{height:68px}
      .nav-wrap{gap:12px}
      .brand{font-size:16px}
      .brand-mark{width:30px;height:30px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:9px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
      .nav-links.open{display:flex}
      .nav-links a{height:auto;padding:12px 14px;border-radius:8px}
      .nav-links a.active:after{display:none}
      .nav-links a.active{background:#f4d7ce}
      .nav-cta{margin-top:5px;justify-content:center}
      .page-hero{padding:58px 0 50px}
      h1{font-size:43px}
      .hero-text{font-size:16px}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.16);padding:12px 8px}
      .metric:nth-child(3),.metric:nth-child(4){border-bottom:0}
      .section{padding:68px 0}
      .section-head{display:block}
      .section-intro{margin-top:16px}
      .advantage-layout,.identity-panel,.update-grid{grid-template-columns:1fr}
      .identity-panel{padding:28px}
      .content-item{grid-template-columns:1fr;gap:7px}
      .content-item .arrow-link{justify-self:start;margin-top:7px}
      .guide-grid{grid-template-columns:1fr}
      .cta-wrap{display:block}
      .cta-wrap .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-bottom{display:block}
      .footer-bottom span,.footer-bottom a{display:block;margin-bottom:8px}
    }
    @media(max-width:520px){
      .container{width:min(var(--container),calc(100% - 26px))}
      h1{font-size:36px}
      .hero-tags{gap:7px}
      .metric-grid,.advantage-list,.identity-points{grid-template-columns:1fr}
      .metric{border-bottom:1px solid rgba(255,255,255,.16)!important}
      .metric:last-child{border-bottom:0!important}
      .footer-grid{grid-template-columns:1fr}
      .footer{padding-top:48px}
    }

/* roulang page: category2 */
:root{--ink:#241a2b;--ink-2:#392d40;--coral:#e86d4f;--coral-dark:#c9563d;--mint:#9cc8b2;--paper:#faf7f2;--warm:#f1ece5;--white:#fffdf9;--text:#2f2b31;--muted:#766e75;--line:#e5ddd5;--radius:18px;--shadow:0 14px 40px rgba(36,26,43,.08);--container:1220px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;background:var(--paper);color:var(--text);line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    button:focus-visible,a:focus-visible{outline:3px solid rgba(232,109,79,.42);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;background:rgba(250,247,242,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;backdrop-filter:blur(12px)}
    .nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);font-size:19px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:12px 12px 12px 4px;background:var(--coral);position:relative;flex:none}
    .brand-mark:after{content:"";position:absolute;width:11px;height:11px;background:var(--mint);border-radius:50%;right:6px;top:6px}
    .nav-links{display:flex;align-items:center;gap:26px;font-size:14px;color:var(--muted)}
    .nav-links a{height:78px;display:flex;align-items:center;position:relative;transition:.2s ease;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:var(--coral)}
    .nav-links a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;border-radius:3px;background:var(--coral)}
    .nav-links .nav-cta{height:auto;background:var(--coral);color:#fff!important;padding:10px 17px;border-radius:10px;font-weight:700;transition:.2s ease}
    .nav-links .nav-cta:after{display:none}
    .nav-links .nav-cta:hover{background:var(--coral-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;background:var(--ink);color:#fff;border-radius:9px;padding:8px 11px;font-size:14px;line-height:1}
    main{overflow:hidden}
    .page-hero{padding:72px 0 62px;position:relative;background:linear-gradient(120deg,#faf7f2 0%,#f7eee7 100%);border-bottom:1px solid var(--line);overflow:hidden}
    .page-hero:before{content:"";position:absolute;width:410px;height:410px;border-radius:50%;border:1px solid rgba(156,200,178,.65);right:-130px;top:-210px}
    .page-hero:after{content:"";position:absolute;width:160px;height:160px;border-radius:40px;background:rgba(232,109,79,.1);transform:rotate(23deg);right:13%;bottom:-92px}
    .breadcrumb{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:26px}
    .breadcrumb a{transition:.2s}
    .breadcrumb a:hover{color:var(--coral)}
    .breadcrumb i{font-style:normal;color:#b8aca8}
    .hero-layout{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(310px,.9fr);gap:58px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:16px}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--coral)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(34px,4.5vw,58px);line-height:1.16;letter-spacing:-.045em;color:var(--ink);margin-bottom:21px;font-weight:800}
    .hero-copy{max-width:650px;font-size:17px;color:var(--muted);margin-bottom:0}
    .hero-labels{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}
    .tag{display:inline-flex;align-items:center;min-height:32px;padding:5px 12px;border-radius:30px;background:#eadfd6;color:var(--ink-2);font-size:13px;font-weight:600}
    .tag.mint{background:#dcece3}
    .hero-side{background:var(--ink);color:#fff;border-radius:26px;padding:29px;position:relative;overflow:hidden;min-height:210px;box-shadow:var(--shadow)}
    .hero-side:after{content:"";position:absolute;width:150px;height:150px;border:1px solid rgba(156,200,178,.48);border-radius:50%;right:-34px;bottom:-56px}
    .hero-side small{display:block;color:var(--mint);font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:13px}
    .hero-side strong{display:block;font-size:25px;line-height:1.35;max-width:290px;position:relative;z-index:1}
    .hero-side p{color:#d6cbd6;font-size:14px;margin:13px 0 0;position:relative;z-index:1}
    .section{padding:94px 0}
    .section-soft{background:var(--warm)}
    .section-dark{background:var(--ink);color:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:36px}
    .section-kicker{font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--coral);margin-bottom:7px}
    .section-title{font-size:clamp(28px,3.4vw,43px);line-height:1.2;color:var(--ink);letter-spacing:-.035em;margin:0;font-weight:800}
    .section-dark .section-title{color:#fff}
    .section-intro{max-width:530px;margin:0;color:var(--muted);font-size:15px}
    .section-dark .section-intro{color:#d8ced8}
    .overview-grid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);border:1px solid var(--line);background:var(--white);border-radius:20px;overflow:hidden;box-shadow:0 8px 28px rgba(36,26,43,.04)}
    .overview-main,.overview-item{padding:25px 26px}
    .overview-main{background:var(--ink);color:#fff}
    .overview-main span{font-size:12px;color:var(--mint);font-weight:800;letter-spacing:.08em}
    .overview-main strong{display:block;font-size:23px;line-height:1.35;margin-top:8px}
    .overview-main p{margin:8px 0 0;color:#d7cbd7;font-size:13px}
    .overview-item{border-left:1px solid var(--line)}
    .overview-item strong{display:block;color:var(--coral);font-size:28px;line-height:1.1;margin-bottom:6px}
    .overview-item span{display:block;color:var(--ink);font-size:15px;font-weight:800}
    .overview-item p{font-size:13px;color:var(--muted);margin:5px 0 0}
    .experience-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
    .experience-card{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:27px;transition:.25s ease;min-height:248px}
    .experience-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d7b9af}
    .experience-card.large{grid-column:span 6;background:var(--ink);color:#fff;position:relative;overflow:hidden}
    .experience-card.large:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;border:1px solid rgba(156,200,178,.44);right:-65px;bottom:-80px}
    .experience-card.standard{grid-column:span 3}
    .card-index{display:flex;align-items:center;justify-content:center;width:39px;height:39px;border-radius:12px;background:#f5e1da;color:var(--coral);font-weight:800;font-size:14px;margin-bottom:33px}
    .large .card-index{background:rgba(156,200,178,.19);color:var(--mint)}
    .experience-card h3{font-size:21px;line-height:1.35;color:var(--ink);margin-bottom:9px;font-weight:800}
    .experience-card p{font-size:14px;color:var(--muted);margin-bottom:0}
    .large h3{font-size:29px;color:#fff;max-width:400px;position:relative;z-index:1}
    .large p{color:#d7cbd7;max-width:440px;position:relative;z-index:1}
    .experience-card .mini-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:19px}
    .mini-tag{font-size:12px;padding:4px 9px;background:#f2ebe6;border-radius:20px;color:var(--ink-2)}
    .large .mini-tag{background:rgba(255,255,255,.1);color:#f4e9f1}
    .device-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:center}
    .device-stage{min-height:405px;position:relative;display:flex;align-items:center;justify-content:center}
    .device-glow{position:absolute;width:310px;height:310px;background:#dbe9e0;border-radius:50%;filter:blur(2px)}
    .phone{position:relative;width:212px;height:395px;border-radius:31px;background:var(--ink);padding:11px;border:7px solid #382b40;box-shadow:0 24px 42px rgba(36,26,43,.22);z-index:2}
    .phone:before{content:"";position:absolute;top:9px;left:50%;transform:translateX(-50%);width:68px;height:16px;background:#382b40;border-radius:0 0 11px 11px;z-index:3}
    .phone-screen{height:100%;background:#fcf5ef;border-radius:20px;padding:27px 14px 14px;overflow:hidden}
    .phone-top{display:flex;align-items:center;justify-content:space-between;color:var(--ink);font-size:9px;font-weight:800}
    .screen-banner{height:87px;margin-top:17px;border-radius:14px;background:var(--coral);padding:13px;color:#fff;position:relative;overflow:hidden}
    .screen-banner:after{content:"";position:absolute;width:65px;height:65px;border:1px solid rgba(255,255,255,.5);border-radius:50%;right:-12px;bottom:-24px}
    .screen-banner span{font-size:8px;opacity:.8}
    .screen-banner strong{display:block;font-size:15px;line-height:1.25;margin-top:6px;position:relative;z-index:1}
    .screen-list{display:grid;gap:9px;margin-top:13px}
    .screen-line{height:37px;background:#eee5df;border-radius:10px;position:relative}
    .screen-line:after{content:"";position:absolute;left:10px;top:10px;width:74px;height:6px;border-radius:8px;background:#cabac2}
    .screen-line:before{content:"";position:absolute;left:10px;top:21px;width:47px;height:5px;border-radius:8px;background:#e0d4d4}
    .floating-chip{position:absolute;z-index:3;background:var(--white);border:1px solid var(--line);padding:12px 15px;border-radius:14px;box-shadow:var(--shadow);font-size:12px;color:var(--ink);font-weight:800}
    .chip-one{top:53px;right:15px}
    .chip-two{bottom:47px;left:20px;background:var(--mint)}
    .mobile-copy h3{font-size:clamp(27px,3.3vw,40px);line-height:1.25;color:var(--ink);margin-bottom:18px;font-weight:800}
    .mobile-copy>p{color:var(--muted);font-size:16px;margin-bottom:27px}
    .check-list{display:grid;gap:15px;padding:0;margin:0;list-style:none}
    .check-list li{position:relative;padding-left:31px;color:var(--text);font-size:15px}
    .check-list li:before{content:"";position:absolute;left:0;top:7px;width:17px;height:17px;border-radius:50%;background:var(--mint)}
    .check-list li:after{content:"✓";position:absolute;left:4px;top:2px;font-size:12px;color:var(--ink);font-weight:800}
    .path-grid{display:grid;grid-template-columns:repeat(4,1fr);position:relative}
    .path-grid:before{content:"";position:absolute;top:36px;left:12%;right:12%;height:1px;background:rgba(255,255,255,.24)}
    .path-step{padding:0 25px;position:relative}
    .path-number{position:relative;z-index:1;width:72px;height:72px;border-radius:22px;background:#392d40;color:var(--mint);display:flex;align-items:center;justify-content:center;font-size:21px;font-weight:800;margin-bottom:22px;border:1px solid rgba(255,255,255,.1)}
    .path-step h3{font-size:18px;color:#fff;margin-bottom:8px;font-weight:800}
    .path-step p{font-size:14px;color:#cdbfcd;margin:0}
    .content-band{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:stretch}
    .featured-note{border-radius:22px;background:var(--ink);color:#fff;padding:37px;position:relative;overflow:hidden}
    .featured-note:after{content:"";position:absolute;width:250px;height:250px;border:1px solid rgba(156,200,178,.42);border-radius:50%;right:-100px;bottom:-110px}
    .featured-note .tag{background:rgba(156,200,178,.18);color:var(--mint);position:relative;z-index:1}
    .featured-note h3{position:relative;z-index:1;font-size:29px;line-height:1.35;margin:20px 0 11px}
    .featured-note p{position:relative;z-index:1;color:#d6cbd7;max-width:510px;margin:0;font-size:15px}
    .note-list{display:grid;gap:12px}
    .note-item{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:19px 20px;display:flex;gap:14px;align-items:flex-start;transition:.2s ease}
    .note-item:hover{border-color:#d4bcb3;transform:translateX(3px)}
    .note-icon{width:35px;height:35px;flex:none;display:grid;place-items:center;border-radius:11px;background:#f3e2db;color:var(--coral);font-size:17px}
    .note-item h3{font-size:16px;color:var(--ink);margin:0 0 3px;font-weight:800}
    .note-item p{font-size:13px;color:var(--muted);margin:0}
    .faq-wrap{max-width:900px;margin:0 auto}
    .faq-item{background:var(--white);border:1px solid var(--line);border-radius:15px;margin-bottom:12px;overflow:hidden;transition:.2s ease}
    .faq-item:hover{border-color:#d8bdb4}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 22px;text-align:left;background:transparent;color:var(--ink);font-weight:800;font-size:16px}
    .faq-symbol{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#f2e8e1;color:var(--coral);font-size:21px;font-weight:400;line-height:1;transition:.25s;flex:none}
    .faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
    .faq-answer>div{overflow:hidden}
    .faq-answer p{color:var(--muted);font-size:15px;margin:0;padding:0 22px 0}
    .faq-item.open .faq-answer{grid-template-rows:1fr}
    .faq-item.open .faq-answer p{padding:0 22px 22px}
    .faq-item.open .faq-symbol{background:var(--coral);color:#fff;transform:rotate(45deg)}
    .cta-panel{background:linear-gradient(115deg,#eadfd6 0%,#f4ece6 58%,#dcece3 100%);border:1px solid #e2d7cf;border-radius:25px;padding:48px 52px;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta-panel h2{color:var(--ink);font-size:clamp(26px,3vw,39px);line-height:1.25;font-weight:800;letter-spacing:-.03em;margin:0 0 9px}
    .cta-panel p{color:var(--muted);margin:0;font-size:15px;max-width:590px}
    .cta-actions{display:flex;gap:12px;flex:none;flex-wrap:wrap}
    .btn{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:0 20px;border-radius:11px;font-weight:800;transition:.2s ease}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(232,109,79,.2)}
    .btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px)}
    .btn-secondary{border:1px solid var(--ink);color:var(--ink);background:transparent}
    .btn-secondary:hover{background:#f4d7ce;border-color:var(--coral);color:var(--ink)}
    .footer{background:var(--ink);color:#fff;padding:64px 0 23px}
    .footer-grid{display:grid;grid-template-columns:1.7fr repeat(3,1fr);gap:42px;padding-bottom:46px}
    .footer .brand{color:#fff;font-size:18px}
    .footer-desc{max-width:325px;color:#cbbfcb;font-size:14px;margin:18px 0 0}
    .footer h3{font-size:14px;color:var(--mint);font-weight:800;margin:5px 0 16px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#d8ced8;font-size:14px;transition:.2s ease}
    .footer-links a:hover{color:var(--coral);padding-left:3px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:22px;display:flex;justify-content:space-between;gap:18px;align-items:center;flex-wrap:wrap;color:#bcaebb;font-size:12px}
    .back-top{color:var(--mint);font-weight:800}
    .back-top:hover{color:#fff}
    @media (max-width:1024px){
      .nav-links{gap:16px;font-size:13px}
      .hero-layout{gap:34px}
      .overview-main,.overview-item{padding:20px}
      .path-step{padding:0 15px}
      .footer-grid{grid-template-columns:1.4fr repeat(3,1fr);gap:25px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 34px,var(--container))}
      .site-header{height:68px}
      .nav-wrap{gap:12px}
      .brand{font-size:16px}
      .brand-mark{width:30px;height:30px;border-radius:10px 10px 10px 3px}
      .nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:13px 17px 18px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 15px 28px rgba(36,26,43,.08);align-items:stretch;gap:0}
      .nav-links.show{display:flex;flex-direction:column}
      .nav-links a{height:auto;padding:12px 4px}
      .nav-links a.active:after{bottom:4px}
      .nav-links .nav-cta{margin-top:8px;justify-content:center}
      .menu-toggle{display:block}
      .page-hero{padding:51px 0 46px}
      .hero-layout,.device-layout,.content-band{grid-template-columns:1fr;gap:30px}
      .hero-side{min-height:auto}
      .section{padding:68px 0}
      .section-head{display:block;margin-bottom:27px}
      .section-intro{margin-top:15px}
      .overview-grid{grid-template-columns:repeat(2,1fr)}
      .overview-main{grid-column:span 2}
      .overview-item:nth-child(3){border-left:0;border-top:1px solid var(--line)}
      .overview-item:nth-child(4){border-top:1px solid var(--line)}
      .experience-card.large{grid-column:span 12}
      .experience-card.standard{grid-column:span 6}
      .path-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
      .path-grid:before{display:none}
      .path-step{padding:0 12px}
      .device-stage{min-height:355px}
      .cta-panel{padding:34px;display:block}
      .cta-actions{margin-top:23px}
      .footer-grid{grid-template-columns:repeat(2,1fr);gap:31px}
      .footer-grid>div:first-child{grid-column:span 2}
    }
    @media (max-width:520px){
      h1{font-size:35px}
      .page-hero{padding-top:38px}
      .hero-copy{font-size:15px}
      .hero-side{padding:24px}
      .hero-side strong{font-size:22px}
      .overview-grid{display:block}
      .overview-item{border-left:0;border-top:1px solid var(--line)}
      .overview-main{padding:23px}
      .experience-card.large,.experience-card.standard{grid-column:span 12;min-height:0}
      .experience-card{padding:23px}
      .card-index{margin-bottom:23px}
      .large h3{font-size:25px}
      .path-grid{grid-template-columns:1fr}
      .path-step{padding:0 0 0 4px;display:grid;grid-template-columns:62px 1fr;column-gap:16px}
      .path-number{width:52px;height:52px;border-radius:16px;grid-row:span 2;font-size:16px;margin:0}
      .path-step h3{margin:1px 0 5px}
      .path-step p{grid-column:2}
      .device-stage{transform:scale(.9);margin:-17px 0}
      .featured-note{padding:28px}
      .featured-note h3{font-size:25px}
      .note-item{padding:16px}
      .faq-question{padding:18px;font-size:15px}
      .faq-answer p,.faq-item.open .faq-answer p{padding-left:18px;padding-right:18px}
      .cta-panel{padding:28px 23px}
      .cta-actions{display:grid;grid-template-columns:1fr}
      .footer{padding-top:49px}
      .footer-grid{grid-template-columns:1fr;gap:27px}
      .footer-grid>div:first-child{grid-column:auto}
      .footer-bottom{align-items:flex-start;flex-direction:column}
    }

/* roulang page: category3 */
:root{--ink:#241a2b;--ink-2:#392d40;--coral:#e86d4f;--coral-dark:#c9563d;--mint:#9cc8b2;--paper:#faf7f2;--warm:#f1ece5;--white:#fffdf9;--text:#2f2b31;--muted:#766e75;--line:#e5ddd5;--radius:18px;--shadow:0 14px 40px rgba(36,26,43,.08);--container:1220px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;background:var(--paper);color:var(--text);line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    button:focus-visible,a:focus-visible{outline:3px solid rgba(232,109,79,.42);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{height:78px;background:rgba(250,247,242,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(12px)}
    .nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);font-size:19px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:12px 12px 12px 4px;background:var(--coral);position:relative;flex:none}
    .brand-mark:after{content:"";position:absolute;width:11px;height:11px;background:var(--mint);border-radius:50%;right:6px;top:6px}
    .nav-links{display:flex;align-items:center;gap:26px;font-size:14px;color:var(--muted)}
    .nav-links a{height:78px;display:flex;align-items:center;position:relative;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--coral)}
    .nav-links a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;border-radius:3px;background:var(--coral)}
    .nav-links .nav-cta{height:auto;background:var(--coral);color:#fff!important;padding:10px 17px;border-radius:10px;font-weight:700;transition:.2s}
    .nav-links .nav-cta:after{display:none}
    .nav-links .nav-cta:hover{background:var(--coral-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;background:var(--ink);color:#fff;border-radius:9px;padding:8px 11px;line-height:1}
    main{overflow:hidden}
    .page-banner{padding:70px 0 60px;background:var(--warm);position:relative;border-bottom:1px solid var(--line)}
    .page-banner:before{content:"";position:absolute;width:340px;height:340px;border:1px solid rgba(156,200,178,.75);border-radius:50%;right:-96px;top:-135px}
    .crumbs{display:flex;align-items:center;gap:9px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:23px}
    .crumbs span{color:var(--coral)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:13px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(35px,5vw,61px);line-height:1.15;letter-spacing:-.04em;color:var(--ink);max-width:780px;margin-bottom:20px;font-weight:800}
    .banner-copy{max-width:735px;font-size:17px;color:var(--muted);margin:0}
    .page-tag{display:inline-flex;align-items:center;gap:8px;padding:8px 13px;border-radius:30px;background:#dcece3;color:var(--ink);font-weight:700;font-size:13px;margin-top:25px}
    .page-tag i{display:block;width:7px;height:7px;border-radius:50%;background:var(--coral)}
    .section{padding:92px 0}
    .section-soft{background:var(--warm)}
    .section-dark{background:var(--ink);color:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    .section-kicker{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.1em}
    .section-dark .section-kicker{color:var(--mint)}
    .section-title{font-size:clamp(28px,3.4vw,45px);line-height:1.22;color:var(--ink);margin:7px 0 0;letter-spacing:-.03em;font-weight:800}
    .section-dark .section-title{color:#fff}
    .section-intro{max-width:500px;color:var(--muted);font-size:15px;margin:0}
    .section-dark .section-intro{color:#d8ced9}
    .topic-strip{display:grid;grid-template-columns:1.05fr 1.55fr;gap:24px;align-items:stretch}
    .topic-intro{background:var(--ink);padding:30px;border-radius:var(--radius);color:#fff;position:relative;overflow:hidden}
    .topic-intro:after{content:"";position:absolute;width:135px;height:135px;border:1px solid rgba(156,200,178,.45);border-radius:50%;right:-36px;bottom:-45px}
    .topic-intro h2{font-size:25px;line-height:1.35;margin-bottom:8px;position:relative;z-index:1}
    .topic-intro p{margin:0;color:#d6cbd7;font-size:14px;position:relative;z-index:1}
    .topic-list{display:flex;flex-wrap:wrap;gap:10px;align-content:center;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px}
    .topic-pill{display:inline-flex;align-items:center;padding:9px 14px;border:1px solid #e2d3ca;border-radius:30px;color:var(--ink-2);font-weight:700;font-size:14px;background:#fffaf6}
    .topic-pill:nth-child(2n){background:#dcece3;border-color:#c8dfd2}
    .topic-pill:nth-child(3n){background:#f9e1d9;border-color:#f0c7b9}
    .news-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:45px;align-items:start}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:105px minmax(0,1fr);gap:25px;padding:26px 4px;border-bottom:1px solid var(--line);transition:.22s}
    .news-item:hover{padding-left:13px;padding-right:13px;background:rgba(255,253,249,.65)}
    .news-date{font-size:13px;color:var(--muted);padding-top:5px}
    .news-date strong{display:block;font-size:25px;line-height:1.1;color:var(--coral);font-weight:800;margin-bottom:5px}
    .news-content h3{color:var(--ink);font-size:21px;line-height:1.45;margin-bottom:8px;font-weight:800}
    .news-item:hover h3{color:var(--coral)}
    .news-content p{font-size:14px;color:var(--muted);margin-bottom:13px}
    .news-meta{display:flex;align-items:center;gap:13px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
    .news-meta .category{color:var(--coral);font-weight:800}
    .read-link{font-size:13px;font-weight:800;color:var(--ink);white-space:nowrap}
    .read-link:hover{color:var(--coral)}
    .read-link:after{content:" →";color:var(--coral)}
    .news-aside{position:sticky;top:102px}
    .aside-card{padding:27px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px;box-shadow:0 8px 24px rgba(36,26,43,.04)}
    .aside-card h3{font-size:19px;color:var(--ink);font-weight:800;margin-bottom:12px}
    .aside-card p{font-size:14px;color:var(--muted);margin-bottom:18px}
    .mini-links{list-style:none;margin:0;padding:0}
    .mini-links li{border-top:1px solid var(--line)}
    .mini-links a{display:flex;justify-content:space-between;gap:10px;padding:13px 0;font-weight:700;font-size:14px;color:var(--ink)}
    .mini-links a:hover{color:var(--coral)}
    .mini-links span{color:var(--coral)}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:11px;font-weight:700;transition:.2s}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(232,109,79,.2)}
    .btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px)}
    .btn-secondary{border:1px solid var(--ink);color:var(--ink);background:transparent}
    .btn-secondary:hover{background:#f4d7ce;border-color:var(--coral)}
    .empty-state{padding:55px 25px;text-align:center;background:var(--white);border:1px dashed #d7c8bf;border-radius:var(--radius);color:var(--muted)}
    .empty-icon{width:48px;height:48px;border-radius:16px;margin:0 auto 15px;background:#f4d7ce;position:relative}
    .empty-icon:after{content:"";position:absolute;width:19px;height:2px;background:var(--coral);left:15px;top:23px}
    .spotlight{display:grid;grid-template-columns:.9fr 1.1fr;min-height:330px;border-radius:24px;overflow:hidden;background:var(--ink);box-shadow:var(--shadow)}
    .spotlight-art{position:relative;padding:35px;background:#392d40;overflow:hidden}
    .spotlight-art:before,.spotlight-art:after{content:"";position:absolute;border-radius:50%}
    .spotlight-art:before{width:250px;height:250px;border:1px solid rgba(156,200,178,.5);left:-80px;top:43px}
    .spotlight-art:after{width:104px;height:104px;background:var(--coral);right:35px;bottom:34px}
    .art-lines{position:absolute;z-index:2;left:68px;top:75px;width:180px}
    .art-lines span{display:block;height:12px;margin-bottom:14px;border-radius:20px;background:rgba(255,255,255,.88)}
    .art-lines span:nth-child(2){width:70%;background:var(--mint)}
    .art-lines span:nth-child(3){width:84%;background:rgba(255,255,255,.3)}
    .spotlight-copy{padding:47px 52px;color:#fff;display:flex;flex-direction:column;justify-content:center}
    .spotlight-copy .label{color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.1em;margin-bottom:13px}
    .spotlight-copy h2{font-size:clamp(26px,3vw,39px);line-height:1.28;margin-bottom:17px;font-weight:800}
    .spotlight-copy p{color:#d7cdd8;max-width:510px;margin-bottom:22px}
    .spotlight-copy .read-link{color:#fff}
    .timeline{position:relative;margin-top:7px}
    .timeline:before{content:"";position:absolute;left:117px;top:7px;bottom:7px;width:1px;background:rgba(255,255,255,.22)}
    .timeline-row{display:grid;grid-template-columns:95px 1fr;gap:43px;padding:0 0 29px;position:relative}
    .timeline-row:last-child{padding-bottom:0}
    .timeline-time{color:var(--mint);font-weight:800;font-size:14px;text-align:right}
    .timeline-content{position:relative;padding-left:15px}
    .timeline-content:before{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--coral);left:-21px;top:7px;box-shadow:0 0 0 5px var(--ink)}
    .timeline-content h3{font-size:18px;margin-bottom:4px;font-weight:800}
    .timeline-content p{font-size:14px;color:#d6cbd7;margin:0;max-width:700px}
    .reading-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .reading-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:.25s}
    .reading-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d4bcb3}
    .reading-no{width:34px;height:34px;border-radius:10px;background:#f6ded5;color:var(--coral);display:grid;place-items:center;font-size:13px;font-weight:800;margin-bottom:20px}
    .reading-card h3{font-size:19px;color:var(--ink);font-weight:800;margin-bottom:8px}
    .reading-card p{font-size:14px;color:var(--muted);margin:0}
    .faq-wrap{max-width:900px;margin:auto}
    .faq-item{border:1px solid var(--line);border-radius:14px;background:var(--white);overflow:hidden;margin-bottom:12px}
    .faq-question{width:100%;background:transparent;padding:19px 22px;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--ink);font-weight:800}
    .faq-question span:last-child{color:var(--coral);font-size:24px;font-weight:400;line-height:1;transition:.2s}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:15px}
    .faq-item.open .faq-answer{display:block}
    .closing{padding:43px 0;background:var(--coral);color:#fff}
    .closing-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
    .closing h2{font-size:30px;line-height:1.3;margin:0 0 5px;font-weight:800}
    .closing p{margin:0;color:#ffe6df}
    .closing .btn-primary{background:var(--ink);box-shadow:none;white-space:nowrap}
    .closing .btn-primary:hover{background:#3b2c44}
    .footer{background:var(--ink);color:#fff;padding:67px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:38px;padding-bottom:46px}
    .footer .brand{color:#fff;margin-bottom:16px}
    .footer-desc{color:#c9bdca;max-width:320px;font-size:14px;margin:0}
    .footer h3{font-size:14px;letter-spacing:.05em;color:var(--mint);margin:5px 0 15px;font-weight:800}
    .footer-links{display:flex;flex-direction:column;gap:8px}
    .footer-links a{color:#d9cfd9;font-size:14px;transition:.2s}
    .footer-links a:hover{color:var(--coral);transform:translateX(3px)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.16);padding-top:22px;display:flex;gap:15px;justify-content:space-between;align-items:center;color:#bfb3c0;font-size:12px}
    .back-top{color:var(--mint);font-weight:700}
    .back-top:hover{color:var(--coral)}
    @media(max-width:1024px){
      .nav-links{gap:16px}
      .nav-links a{font-size:13px}
      .news-layout{grid-template-columns:1fr 260px;gap:27px}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:2}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--container))}
      .site-header{height:68px}
      .nav-wrap{gap:12px}
      .brand{font-size:16px}
      .brand-mark{width:31px;height:31px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:10px 16px 18px;border-bottom:1px solid var(--line);box-shadow:0 16px 25px rgba(36,26,43,.09);flex-direction:column;align-items:stretch;gap:0}
      .nav-links.open{display:flex}
      .nav-links a,.nav-links .nav-cta{height:auto;min-height:45px;padding:11px 7px}
      .nav-links a.active:after{bottom:3px;right:auto;width:35px}
      .nav-links .nav-cta{justify-content:center;margin-top:8px}
      .page-banner{padding:54px 0 47px}
      .section{padding:68px 0}
      .section-head{display:block;margin-bottom:27px}
      .section-intro{margin-top:16px}
      .topic-strip,.spotlight{grid-template-columns:1fr}
      .news-layout{grid-template-columns:1fr}
      .news-aside{position:static;display:grid;grid-template-columns:1fr 1fr;gap:14px}
      .aside-card{margin:0}
      .reading-grid{grid-template-columns:1fr}
      .spotlight-art{min-height:175px}
      .spotlight-copy{padding:35px 29px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-grid>div:last-child{grid-column:auto}
      .footer-bottom{align-items:flex-start;flex-direction:column}
      .closing-inner{align-items:flex-start;flex-direction:column}
    }
    @media(max-width:520px){
      h1{font-size:35px}
      .banner-copy{font-size:15px}
      .topic-intro,.topic-list{padding:23px}
      .news-item{grid-template-columns:1fr;gap:8px;padding:21px 0}
      .news-item:hover{padding-left:8px;padding-right:8px}
      .news-date{display:flex;align-items:baseline;gap:8px;padding:0}
      .news-date strong{font-size:18px;margin:0}
      .news-content h3{font-size:19px}
      .news-aside{grid-template-columns:1fr}
      .timeline:before{left:76px}
      .timeline-row{grid-template-columns:58px 1fr;gap:28px}
      .timeline-time{font-size:12px}
      .timeline-content{padding-left:10px}
      .timeline-content:before{left:-17px}
      .faq-question{padding:17px 18px;font-size:15px}
      .faq-answer{padding:0 18px 18px;font-size:14px}
      .footer-grid{grid-template-columns:1fr}
      .footer{padding-top:52px}
      .closing h2{font-size:26px}
    }

/* roulang page: category4 */
:root{--ink:#241a2b;--ink-2:#392d40;--coral:#e86d4f;--coral-dark:#c9563d;--mint:#9cc8b2;--paper:#faf7f2;--warm:#f1ece5;--white:#fffdf9;--text:#2f2b31;--muted:#766e75;--line:#e5ddd5;--radius:18px;--shadow:0 14px 40px rgba(36,26,43,.08);--container:1220px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    button:focus-visible,a:focus-visible{outline:3px solid rgba(232,109,79,.42);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{height:78px;background:rgba(250,247,242,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);font-size:19px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:12px 12px 12px 4px;background:var(--coral);position:relative}
    .brand-mark:after{content:"";position:absolute;width:11px;height:11px;background:var(--mint);border-radius:50%;right:6px;top:6px}
    .nav-links{display:flex;align-items:center;gap:26px;font-size:14px;color:var(--muted)}
    .nav-links a{height:78px;display:flex;align-items:center;position:relative;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--coral)}
    .nav-links a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;border-radius:3px;background:var(--coral)}
    .nav-cta{height:auto!important;background:var(--coral);color:#fff!important;padding:10px 17px;border-radius:10px;font-weight:700;transition:.2s}
    .nav-cta:hover{background:var(--coral-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;background:var(--ink);color:#fff;border-radius:9px;padding:7px 11px}
    main{overflow:hidden}
    .page-heading{padding:76px 0 64px;background:var(--warm);position:relative}
    .page-heading:after{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(232,109,79,.28);border-radius:50%;right:-80px;top:-105px}
    .eyebrow,.section-kicker{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.1em}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:17px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(34px,5vw,62px);line-height:1.15;letter-spacing:-.04em;color:var(--ink);max-width:770px;margin-bottom:20px}
    .lead{font-size:18px;color:var(--muted);max-width:690px;margin-bottom:24px}
    .breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:24px}
    .breadcrumb span{color:#b1a5a1}
    .section{padding:88px 0}
    .section-soft{background:var(--warm)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:36px}
    .section-title{font-size:clamp(28px,3.5vw,46px);line-height:1.2;color:var(--ink);margin:8px 0 0;letter-spacing:-.03em}
    .section-intro{max-width:500px;color:var(--muted);font-size:15px}
    .info-band{background:var(--ink);color:#fff;padding:26px 0}
    .info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .info-item{padding:8px 18px;border-right:1px solid rgba(255,255,255,.16)}
    .info-item:last-child{border:0}
    .info-number{font-size:26px;font-weight:800;color:var(--mint)}
    .info-item strong{display:block;font-size:16px;margin:4px 0}
    .info-item span{font-size:13px;color:#c8bdc9}
    .download-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:stretch}
    .download-panel{background:var(--ink);border-radius:24px;padding:38px;color:#fff;position:relative;overflow:hidden}
    .download-panel:after{content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(156,200,178,.35);border-radius:50%;right:-80px;bottom:-100px}
    .download-panel h2{font-size:32px;line-height:1.3;max-width:460px;margin:10px 0 14px}
    .download-panel p{color:#d9ceda;max-width:500px}
    .tag-row{display:flex;flex-wrap:wrap;gap:9px;margin:25px 0}
    .tag{display:inline-flex;padding:7px 12px;border-radius:30px;background:#eadfd6;color:var(--ink-2);font-size:13px}
    .tag.mint{background:#dcece3}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:11px;font-weight:700;transition:.2s}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(232,109,79,.2)}
    .btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px)}
    .btn-secondary{border:1px solid var(--ink);color:var(--ink);background:transparent}
    .btn-secondary:hover{background:#f4d7ce;border-color:var(--coral)}
    .download-panel .btn-primary{background:var(--coral)}
    .download-note{font-size:12px!important;margin:18px 0 0;color:#c8bdc9!important}
    .qr-card{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:34px;display:flex;gap:28px;align-items:center;box-shadow:var(--shadow)}
    .qr-box{width:148px;height:148px;flex:0 0 148px;border:9px solid var(--ink);background:repeating-linear-gradient(45deg,#241a2b 0 4px,#fffdf9 4px 8px);position:relative}
    .qr-box:after{content:"二维码";position:absolute;inset:43px 20px;background:var(--paper);color:var(--ink);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800}
    .qr-card h3{font-size:22px;color:var(--ink);margin-bottom:9px}
    .qr-card p{font-size:14px;color:var(--muted);margin-bottom:0}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .step-card{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:26px;transition:.25s}
    .step-card:hover,.scene-card:hover,.faq-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d4bcb3}
    .step-no{width:38px;height:38px;border-radius:12px;background:var(--coral);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:21px}
    .step-card h3,.scene-card h3{font-size:19px;color:var(--ink);margin-bottom:8px}
    .step-card p,.scene-card p{font-size:14px;color:var(--muted);margin-bottom:0}
    .device-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:center}
    .device-stack{height:330px;position:relative;display:flex;justify-content:center;align-items:center}
    .device{width:170px;height:300px;border:8px solid var(--ink);border-radius:28px;background:var(--white);box-shadow:var(--shadow);padding:22px 12px;position:relative}
    .device:before{content:"";position:absolute;top:8px;left:50%;transform:translateX(-50%);width:55px;height:7px;border-radius:8px;background:var(--ink)}
    .device-back{position:absolute;transform:translateX(-72px) rotate(-8deg);background:#dcece3;z-index:0}
    .device-front{z-index:1;transform:translateX(55px) rotate(7deg)}
    .screen-line{height:9px;border-radius:8px;background:var(--coral);margin:25px 4px 14px}
    .screen-block{height:55px;border-radius:12px;background:#f1ece5;margin:10px 4px}
    .screen-block.mint{background:#dcece3}
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .scene-card{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:25px;min-height:180px;transition:.25s}
    .scene-icon{width:42px;height:42px;border-radius:13px;background:#f4d7ce;color:var(--coral-dark);display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:20px}
    .notice{display:flex;gap:20px;align-items:flex-start;background:#dcece3;border-radius:18px;padding:25px 28px;color:var(--ink-2)}
    .notice strong{display:block;color:var(--ink);margin-bottom:5px}
    .notice p{margin:0;font-size:14px}
    .faq-list{max-width:900px;margin:auto}
    .faq-item{background:var(--white);border:1px solid var(--line);border-radius:15px;margin-bottom:12px;transition:.25s}
    .faq-item summary{cursor:pointer;list-style:none;padding:20px 24px;font-weight:700;color:var(--ink);position:relative;padding-right:50px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";position:absolute;right:22px;color:var(--coral);font-size:22px;top:15px}
    .faq-item[open] summary:after{content:"－"}
    .faq-answer{padding:0 24px 21px;color:var(--muted);font-size:14px}
    .cta-band{background:var(--coral);color:#fff;padding:54px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta-inner h2{font-size:30px;margin-bottom:8px}
    .cta-inner p{margin:0;color:#ffe8e1}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
    .cta-band .btn-primary{background:var(--ink);box-shadow:none}
    .cta-band .btn-secondary{border-color:#fff;color:#fff}
    .footer{background:var(--ink);color:#fff;padding:64px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:38px;padding-bottom:48px}
    .footer .brand{color:#fff}
    .footer-desc{color:#c8bdc9;max-width:300px;font-size:14px;margin-top:18px}
    .footer h3{font-size:15px;margin:5px 0 15px}
    .footer-links{display:grid;gap:9px;color:#c8bdc9;font-size:13px}
    .footer-links a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.16);padding-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#a99daa;font-size:12px}
    .back-top{color:#fff}
    @media(max-width:1024px){.nav-links{gap:15px}.hero-grid,.download-layout,.device-layout{gap:35px}.info-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.site-header{height:68px}.nav-wrap{gap:12px}.brand{font-size:16px}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 24px;flex-direction:column;align-items:stretch;gap:0}.nav-links.open{display:flex}.nav-links a{height:48px}.nav-links a.active:after{left:auto;width:35px;right:auto;bottom:5px}.nav-cta{justify-content:center;margin:8px 0}.menu-toggle{display:block}.container{width:min(var(--container),calc(100% - 34px))}.page-heading{padding:55px 0 48px}.section{padding:65px 0}.section-head{display:block}.section-intro{margin-top:15px}.download-layout,.device-layout{grid-template-columns:1fr}.steps,.scene-grid{grid-template-columns:1fr}.qr-card{align-items:flex-start}.cta-inner{display:block}.cta-actions{margin-top:24px}.footer-grid{gap:28px}}
    @media(max-width:520px){h1{font-size:36px}.lead{font-size:16px}.info-grid{grid-template-columns:1fr}.info-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.16);padding:14px 0}.info-item:last-child{border-bottom:0}.download-panel,.qr-card{padding:25px}.qr-card{display:block}.qr-box{margin-bottom:22px}.device-stack{transform:scale(.88);margin-left:-20px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span,.footer-bottom a{display:block;margin-bottom:9px}}