/* roulang page: index */
:root{--berry:#8d315c;--berry-dark:#682343;--berry-soft:#f5e9ef;--ink:#29242a;--muted:#777078;--line:#e9e2e6;--paper:#fff;--wash:#fbf9fa;--mint:#317c68;--mint-soft:#eaf5f0;--radius:7px;--shadow:0 8px 24px rgba(45,24,37,.07);--max:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #dba4bf;outline-offset:3px}
.container{width:min(var(--max),calc(100% - 48px));margin-inline:auto}
.skip-link{position:absolute;top:-60px;left:12px;z-index:100;background:#fff;padding:10px 14px;color:var(--berry)}
.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}
.navbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;min-width:0;font-weight:800;color:var(--berry-dark);font-size:17px}
.brand-mark{display:grid;place-items:center;flex:0 0 38px;height:38px;background:var(--berry);color:#fff;border-radius:5px;font-size:17px}
.nav-links{display:flex;align-items:center;gap:5px}
.nav-links a{padding:9px 12px;border-radius:5px;color:#5f565e;font-size:14px;transition:background .18s,color .18s}
.nav-links a:hover,.nav-links a[aria-current="location"]{background:var(--berry-soft);color:var(--berry-dark)}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--berry);cursor:pointer}
.hero{position:relative;overflow:hidden;background:#f3e7ed;min-height:470px;display:flex;align-items:center}
.hero:before{content:"";position:absolute;inset:0 0 0 45%;background:linear-gradient(135deg,#d4b4c4 0 35%,#a66d87 35% 62%,#7a385a 62%);clip-path:polygon(17% 0,100% 0,100% 100%,0 100%)}
.hero:after{content:"";position:absolute;right:7%;top:15%;width:280px;height:280px;border:1px solid rgba(255,255,255,.42);border-radius:50%;box-shadow:0 0 0 32px rgba(255,255,255,.08),0 0 0 64px rgba(255,255,255,.06)}
.hero-inner{position:relative;z-index:1;padding:68px 0;max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--berry);font-size:13px;font-weight:700}
.eyebrow:before{content:"";width:22px;height:2px;background:currentColor}
.hero h1{max-width:740px;margin:17px 0 15px;font-size:42px;line-height:1.25;font-weight:800;color:#33212b}
.hero h1 em{font-style:normal;color:var(--berry)}
.hero-sub{font-size:19px;color:#51414a;margin:0 0 13px}
.hero-copy{max-width:680px;color:#615760;margin:0 0 25px;line-height:1.9}
.button-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 19px;border:1px solid var(--berry);border-radius:5px;background:var(--berry);color:#fff;font-weight:700;transition:background .18s,border-color .18s,transform .18s}
.btn:hover{background:var(--berry-dark);border-color:var(--berry-dark);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-secondary{background:transparent;color:var(--berry-dark)}
.btn-secondary:hover{color:#fff}
.hero-note{font-size:12px;color:#73656d;margin-top:18px}
main{display:block}
.section{padding:70px 0;border-bottom:1px solid var(--line);scroll-margin-top:88px}
.section-wash{background:var(--wash)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:27px}
.section-kicker{color:var(--berry);font-size:12px;font-weight:800;text-transform:none}
.section h2{font-size:27px;line-height:1.35;margin:4px 0 0;font-weight:800}
.section-intro{max-width:680px;margin:0;color:var(--muted);line-height:1.85}
.more-link{white-space:nowrap;color:var(--berry);font-weight:700;border-bottom:1px solid #d7b5c5}
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pain-item{padding:23px 24px 23px 0;display:flex;gap:14px}
.pain-item+.pain-item{border-left:1px solid var(--line);padding-left:24px}
.pain-num{color:var(--berry);font-weight:800;font-size:14px}
.pain-item h3{margin:0 0 5px;font-size:16px}
.pain-item p{margin:0;color:var(--muted);font-size:14px}
.solution-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.solution-copy p{color:var(--muted);margin:12px 0 21px}
.filter-list{display:flex;flex-wrap:wrap;gap:9px}
.filter-chip{padding:7px 12px;background:#fff;border:1px solid var(--line);border-radius:4px;color:#514851;font-size:13px}
.filter-chip strong{color:var(--berry);margin-right:5px}
.solution-panel{border-left:3px solid var(--berry);padding:6px 0 6px 24px}
.solution-line{display:flex;justify-content:space-between;gap:18px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.solution-line span:last-child{color:var(--mint);font-weight:700;white-space:nowrap}
.steps{display:grid;grid-template-columns:repeat(4,1fr);counter-reset:step;gap:0}
.step{position:relative;padding:22px 22px 10px 0;border-top:1px solid var(--line);counter-increment:step}
.step:before{content:"0" counter(step);display:block;color:var(--berry);font-size:13px;font-weight:800;margin-bottom:12px}
.step h3{font-size:16px;margin:0 0 6px}
.step p{font-size:13px;color:var(--muted);margin:0}
.media-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:23px 17px}
.media-card{min-width:0;border:1px solid var(--line);background:#fff;border-radius:var(--radius);overflow:hidden;transition:box-shadow .2s,transform .2s}
.media-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.cover{position:relative;aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden;background:#eee}
.cover:before,.news-thumb:before{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(255,255,255,.08),rgba(27,17,23,.23))}
.cover span{position:relative;color:rgba(255,255,255,.92);font-size:28px;font-weight:800;text-shadow:0 2px 8px rgba(0,0,0,.22)}
.badges{position:absolute;z-index:1;left:10px;top:10px;display:flex;gap:5px}
.badge{padding:3px 7px;border-radius:3px;background:#fff;color:var(--berry-dark);font-size:11px;font-weight:800;line-height:1.5}
.badge-live{background:var(--mint-soft);color:#286d5b}
.media-info{padding:12px 13px 13px}
.media-info h3{font-size:15px;line-height:1.45;margin:0 0 8px;min-height:42px}
.media-meta{display:flex;justify-content:space-between;gap:8px;color:var(--muted);font-size:12px}
.rating{color:#8d5b20;font-weight:800}
.featured-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.featured-item{min-height:166px;padding:23px;background:#fff;display:flex;flex-direction:column;justify-content:space-between;transition:background .18s}
.featured-item:hover{background:#fbf3f7}
.featured-item .tag{font-size:12px;color:var(--berry);font-weight:700}
.featured-item h3{font-size:19px;margin:8px 0}
.featured-item p{color:var(--muted);font-size:13px;margin:0}
.category-grid{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.category{padding:21px 18px;min-height:150px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .18s}
.category:hover{background:#fcf4f8}
.category h3{font-size:16px;margin:0 0 8px;color:var(--berry-dark)}
.category p{font-size:13px;color:var(--muted);margin:0}
.rank-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;column-gap:42px}
.rank-list li{display:grid;grid-template-columns:37px minmax(0,1fr) auto auto;align-items:center;gap:12px;min-height:58px;border-bottom:1px solid var(--line)}
.rank-index{font-weight:800;color:#a09aa0}
.rank-list li:nth-child(-n+3) .rank-index{color:var(--berry);font-size:18px}
.rank-title{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-tag{color:var(--muted);font-size:12px}
.rank-score{font-size:13px;color:#8d5b20;font-weight:800}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--line)}
.metric{padding:27px 20px}
.metric+.metric{border-left:1px solid var(--line)}
.metric strong{display:block;font-size:29px;line-height:1.2;color:var(--berry-dark)}
.metric span{display:block;margin-top:7px;font-weight:700}
.metric small{display:block;margin-top:4px;color:var(--muted);font-size:12px}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.quote{padding:0 20px 0 0;border-right:1px solid var(--line)}
.quote:last-child{border-right:0}
.quote blockquote{margin:0 0 12px;font-size:15px;line-height:1.8}
.quote cite{font-style:normal;color:var(--muted);font-size:12px}
.scenario-row{display:flex;flex-wrap:wrap;gap:10px}
.scenario{padding:10px 15px;border:1px solid var(--line);border-radius:4px;background:#fff;font-weight:700;color:#514750}
.scenario:before{content:"✓";color:var(--mint);margin-right:8px}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);column-gap:30px}
.news-item{display:grid;grid-template-columns:108px 1fr;gap:15px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}
.news-thumb{position:relative;width:108px;aspect-ratio:4/3;border-radius:4px;overflow:hidden}
.news-item h3{font-size:14px;line-height:1.55;margin:0 0 5px}
.news-item time{font-size:12px;color:var(--muted)}
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.topic{padding:21px 22px 21px 0}
.topic+.topic{padding-left:22px;border-left:1px solid var(--line)}
.topic h3{margin:0 0 7px;font-size:16px;color:var(--berry-dark)}
.topic p{margin:0;color:var(--muted);font-size:13px}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{position:relative;list-style:none;cursor:pointer;padding:17px 36px 17px 0;font-weight:700}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"＋";position:absolute;right:5px;color:var(--berry);font-size:19px;top:13px}
.faq-list details[open] summary:after{content:"−"}
.faq-answer{max-width:850px;color:var(--muted);padding:0 30px 17px 0;font-size:14px}
.cta-band{background:#f5e9ef;padding:53px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta-inner h2{font-size:25px;margin:0 0 7px}
.cta-inner p{margin:0;color:#665963}
.site-footer{background:#30242c;color:#f8f2f5;padding:45px 0 18px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:32px}
.footer-brand{font-size:17px;font-weight:800}
.footer-copy{max-width:320px;color:#c8b9c2;font-size:13px;margin:12px 0}
.footer-col h3{font-size:14px;margin:0 0 12px;color:#fff}
.footer-col a{display:block;color:#c8b9c2;font-size:13px;margin:7px 0;width:fit-content}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;border-top:1px solid rgba(255,255,255,.15);padding-top:15px;color:#c8b9c2;font-size:12px}
.footer-bottom a{color:#e9d5df}
.notice{font-size:12px;color:#bdaeb7;margin-top:7px}
@media(max-width:1024px){
.container{width:min(var(--max),calc(100% - 36px))}
.nav-links a{padding-inline:8px;font-size:13px}
.hero:before{left:53%;opacity:.86}
.media-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.category-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
.navbar{min-height:68px}
.brand{font-size:15px}
.menu-toggle{display:grid;place-items:center}
.nav-links{display:none;position:absolute;left:0;right:0;top:100%;padding:10px 18px 15px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 8px 16px rgba(40,20,32,.08);flex-direction:column;align-items:stretch}
.nav-links.is-open{display:flex}
.nav-links a{padding:11px 12px}
.hero{min-height:415px}
.hero:before{left:61%;opacity:.35}
.hero:after{right:-30px}
.hero-inner{padding:54px 0}
.hero h1{font-size:35px}
.section{padding:55px 0}
.section-head{align-items:start;flex-direction:column;gap:12px}
.solution-grid{grid-template-columns:1fr;gap:25px}
.steps{grid-template-columns:repeat(2,1fr);gap:0 18px}
.media-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:15px 12px}
.featured-grid{grid-template-columns:repeat(2,1fr)}
.category-grid{grid-template-columns:repeat(2,1fr)}
.rank-list{column-gap:20px}
.metrics{grid-template-columns:repeat(2,1fr)}
.metric:nth-child(3){border-left:0;border-top:1px solid var(--line)}
.metric:nth-child(4){border-top:1px solid var(--line)}
.quotes{grid-template-columns:1fr;gap:18px}
.quote{border-right:0;border-bottom:1px solid var(--line);padding:0 0 16px}
.topic-grid{grid-template-columns:repeat(2,1fr)}
.topic:nth-child(3){padding-left:0;border-left:0;border-top:1px solid var(--line)}
.topic:nth-child(4){border-top:1px solid var(--line)}
.news-grid{column-gap:20px}
.news-item{grid-template-columns:88px 1fr;gap:11px}
.news-thumb{width:88px}
.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
.container{width:calc(100% - 32px)}
.hero{min-height:390px}
.hero:before{left:50%;opacity:.2}
.hero-inner{padding:45px 0}
.hero h1{font-size:31px}
.hero-sub{font-size:17px}
.hero-copy{font-size:14px}
.section{padding:46px 0}
.section h2{font-size:23px}
.pain-grid{grid-template-columns:1fr}
.pain-item{padding:16px 0}
.pain-item+.pain-item{border-left:0;border-top:1px solid var(--line);padding-left:0}
.steps{grid-template-columns:1fr 1fr}
.step{padding-right:10px}
.media-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px 10px}
.media-info{padding:10px}
.media-info h3{font-size:14px;min-height:40px}
.cover span{font-size:23px}
.featured-item{padding:17px;min-height:155px}
.featured-item h3{font-size:16px}
.category-grid{grid-template-columns:1fr 1fr}
.category{padding:15px 12px;min-height:145px}
.rank-list{grid-template-columns:1fr;column-gap:0}
.rank-list li{grid-template-columns:32px minmax(0,1fr) auto auto;gap:8px;min-height:52px}
.rank-tag{display:none}
.metric{padding:20px 13px}
.metric strong{font-size:25px}
.news-grid{grid-template-columns:1fr}
.news-item{grid-template-columns:94px 1fr}
.news-thumb{width:94px}
.topic{padding:17px 12px 17px 0}
.topic+.topic{padding-left:12px}
.topic:nth-child(3){padding-left:0}
.cta-inner{align-items:flex-start;flex-direction:column}
.cta-inner h2{font-size:22px}
.footer-grid{gap:25px 18px}
.footer-grid>div:first-child{grid-column:1/-1}
.footer-bottom{flex-direction:column;gap:5px}
}
@media(prefers-reduced-motion:reduce){
*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
}