/* roulang page: index */
:root{
  --ink:#201c2b;
  --muted:#756f82;
  --paper:#fffaf8;
  --surface:#ffffff;
  --line:#eee4e5;
  --pink:#e85d83;
  --rose:#ff8a9d;
  --orange:#ffb36b;
  --plum:#5a345b;
  --night:#241c32;
  --mint:#b9e5d5;
  --radius:22px;
  --shadow:0 16px 44px rgba(69,36,68,.10);
  --soft-shadow:0 8px 24px rgba(69,36,68,.07);
  --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,248,.91);backdrop-filter:blur(18px);border-bottom:1px solid rgba(238,228,229,.85)}
.navbar{height:78px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.brand-mark{width:40px;height:40px;border-radius:13px;background:linear-gradient(135deg,var(--pink),var(--orange));display:grid;place-items:center;color:#fff;font-weight:900;font-size:20px;box-shadow:0 8px 18px rgba(232,93,131,.25)}
.brand-name{font-size:17px;font-weight:800;letter-spacing:0}
.nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
.nav-links a{padding:9px 13px;border-radius:12px;color:var(--muted);font-size:14px;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--plum);background:#fff0f1}
.nav-cta{padding:11px 18px;background:var(--night);color:#fff;border-radius:13px;font-weight:700;transition:.25s}
.nav-cta:hover{background:var(--pink);transform:translateY(-2px)}
.menu-toggle{display:none;background:transparent;font-size:24px;color:var(--plum)}
.hero{padding:74px 0 76px;background:radial-gradient(circle at 86% 14%,#ffe5dc 0,transparent 34%),linear-gradient(135deg,#fff8f4 0%,#fff1f4 48%,#f8ecf8 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--pink);font-weight:800;font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.eyebrow:before,.section-kicker:before{content:"";width:25px;height:3px;background:var(--pink);border-radius:4px}
.hero h1{font-size:clamp(36px,5vw,66px);line-height:1.13;letter-spacing:0;margin:18px 0 20px;max-width:650px}
.hero h1 em{font-style:normal;color:var(--pink);position:relative}
.hero h1 em:after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:7px;background:#ffd4c8;border-radius:9px;z-index:-1}
.hero-lead{font-size:17px;color:#645c6c;max-width:610px;margin-bottom:28px}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:13px 21px;font-weight:800;transition:.25s;min-height:48px}
.btn-primary{background:var(--pink);color:#fff;box-shadow:0 10px 20px rgba(232,93,131,.22)}
.btn-primary:hover{background:#d74670;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--plum);border:1px solid var(--line)}
.btn-light:hover{border-color:var(--pink);color:var(--pink)}
.hero-visual{position:relative}
.hero-image{height:455px;border-radius:30px;overflow:hidden;box-shadow:var(--shadow);position:relative}
.hero-image img{height:100%;filter:saturate(.8)}
.hero-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(37,24,42,.78))}
.hero-caption{position:absolute;z-index:1;bottom:25px;left:28px;right:28px;color:#fff}
.hero-caption strong{font-size:24px;display:block;line-height:1.25}
.hero-caption span{font-size:13px;color:#f7dfe5}
.floating-note{position:absolute;top:28px;right:-22px;background:#fff;border:1px solid var(--line);border-radius:17px;padding:13px 17px;box-shadow:var(--soft-shadow);font-size:13px;color:var(--muted)}
.floating-note b{display:block;color:var(--plum);font-size:19px}
.section{padding:86px 0}
.section.alt{background:#fff}
.section.dark{background:var(--night);color:#fff}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:32px}
.section-head h2{font-size:32px;line-height:1.25;margin-top:8px;letter-spacing:0}
.section-head p{max-width:590px;color:var(--muted);font-size:15px}
.dark .section-head p{color:#c8bdcd}
.link-more{color:var(--pink);font-weight:800;white-space:nowrap}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--soft-shadow);transition:.25s}
.feature:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.feature-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:#fff0f1;color:var(--pink);font-size:21px;margin-bottom:18px}
.feature h3{font-size:19px;margin-bottom:8px}
.feature p{color:var(--muted);font-size:14px}
.media-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.media-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.25s}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.media-cover{height:220px;position:relative;overflow:hidden}
.media-cover img{height:100%;transition:.35s}
.media-card:hover .media-cover img{transform:scale(1.05)}
.badge{position:absolute;left:12px;top:12px;background:rgba(36,28,50,.82);color:#fff;border-radius:8px;padding:4px 8px;font-size:11px;font-weight:800}
.rating{color:#dc8b38;font-weight:800;font-size:13px}
.media-body{padding:15px 16px 17px}
.media-body h3{font-size:16px;line-height:1.35;margin-bottom:7px}
.media-meta{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}
.scene-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
.scene-feature{min-height:370px;padding:34px;border-radius:var(--radius);background:linear-gradient(135deg,#fbd9de,#f5d8ee);display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
.scene-feature:before{content:"";position:absolute;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.35);right:-80px;top:-80px}
.scene-feature h3,.scene-feature p{position:relative;max-width:440px}
.scene-feature h3{font-size:29px;line-height:1.25;margin:10px 0}
.scene-feature p{color:#68596a}
.scene-list{display:grid;gap:14px}
.scene-item{padding:22px;background:#fff;border:1px solid var(--line);border-radius:18px;display:flex;gap:16px;align-items:start}
.scene-num{width:34px;height:34px;border-radius:11px;background:var(--plum);color:#fff;display:grid;place-items:center;font-weight:800;flex:none}
.scene-item h3{font-size:17px;margin-bottom:4px}
.scene-item p{font-size:13px;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #ead7df}
.step{padding:28px 20px 8px 0;border-right:1px solid #ead7df;margin-right:20px;position:relative}
.step:last-child{border-right:0}
.step strong{color:var(--pink);font-size:12px;letter-spacing:.08em}
.step h3{margin:10px 0 6px;font-size:18px}
.step p{color:var(--muted);font-size:13px}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quote{padding:27px;background:#fff;border-radius:18px;border:1px solid var(--line);position:relative}
.quote:before{content:"“";font-family:Georgia;font-size:60px;line-height:1;color:#ffc8cf;position:absolute;right:20px;top:10px}
.quote p{color:#5e5665;font-size:14px;min-height:88px}
.quote-user{display:flex;align-items:center;gap:11px;margin-top:18px;font-size:13px;font-weight:800}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#f8d8df;color:var(--plum)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.compare-box{padding:28px;border-radius:20px;border:1px solid var(--line);background:#fff}
.compare-box.highlight{background:var(--plum);color:#fff;border-color:var(--plum)}
.compare-box h3{font-size:20px;margin-bottom:17px}
.compare-box ul{list-style:none;display:grid;gap:12px}
.compare-box li{font-size:14px;display:flex;gap:9px;align-items:start;color:var(--muted)}
.compare-box.highlight li{color:#eee4f0}
.compare-box li:before{content:"✓";color:var(--pink);font-weight:900}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.25s}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.news-card img{height:150px}
.news-body{padding:17px}
.news-body time{font-size:12px;color:var(--pink);font-weight:800}
.news-body h3{font-size:16px;line-height:1.45;margin:7px 0}
.news-body p{font-size:13px;color:var(--muted)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq{padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:16px}
.faq h3{font-size:16px;margin-bottom:7px;color:var(--plum)}
.faq p{font-size:13px;color:var(--muted)}
.final-cta{padding:76px 0;background:linear-gradient(120deg,#fbd9df,#ffe9d3);text-align:center}
.final-cta h2{font-size:34px;line-height:1.25;margin:10px auto 12px}
.final-cta p{max-width:650px;margin:0 auto 24px;color:#65596a}
.footer{background:#211b2e;color:#d8cdda;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer .brand-name{color:#fff}
.footer h3{color:#fff;font-size:14px;margin-bottom:15px}
.footer p,.footer a{font-size:13px;color:#aa9fb2}
.footer a{display:block;margin:8px 0;transition:.2s}
.footer a:hover{color:#ff9bb0}
.footer-intro{max-width:270px;margin-top:16px}
.copyright{padding-top:21px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#918596}
.notice{font-size:12px;color:#a999aa;max-width:860px;margin:27px auto 0;text-align:center}
@media(max-width:1024px){
  .hero-grid{gap:32px}
  .media-grid{grid-template-columns:repeat(3,1fr)}
  .media-card:nth-child(4n){display:none}
  .hero-image{height:390px}
}
@media(max-width:768px){
  .container{width:min(100% - 30px,var(--max))}
  .navbar{height:68px}
  .nav-links{display:none;position:absolute;left:15px;right:15px;top:75px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .nav-links.open{display:flex}
  .nav-links a{text-align:center}
  .nav-cta{display:none}
  .menu-toggle{display:block;margin-left:auto}
  .hero{padding:54px 0 58px}
  .hero-grid{grid-template-columns:1fr}
  .hero-image{height:350px}
  .floating-note{right:10px}
  .section{padding:62px 0}
  .section-head{display:block}
  .section-head p{margin-top:13px}
  .link-more{display:inline-block;margin-top:16px}
  .feature-grid,.quote-grid{grid-template-columns:1fr}
  .media-grid{grid-template-columns:repeat(2,1fr)}
  .media-cover{height:190px}
  .scene-grid,.compare{grid-template-columns:1fr}
  .scene-feature{min-height:300px}
  .steps{grid-template-columns:1fr 1fr;gap:20px}
  .step{border-right:0;border-bottom:1px solid #ead7df;margin:0;padding:20px 10px 20px 0}
  .news-grid{grid-template-columns:1fr 1fr}
  .faq-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  .brand-name{font-size:14px}
  .hero h1{font-size:38px}
  .hero-lead{font-size:15px}
  .actions .btn{width:100%}
  .media-grid,.news-grid{grid-template-columns:1fr}
  .media-cover{height:230px}
  .media-card:nth-child(4n){display:block}
  .steps{grid-template-columns:1fr}
  .final-cta h2{font-size:28px}
  .footer-grid{grid-template-columns:1fr}
  .copyright{display:block}
  .copyright span{display:block;margin-top:8px}
}