/* roulang page: index */
:root{
  --ink:#18211e;--muted:#69736e;--paper:#f6f7f2;--white:#fff;
  --forest:#16372e;--forest-2:#244b3e;--lime:#d6f266;--coral:#e6785d;
  --line:#dce2da;--soft:#edf1e9;--dark:#101916;--shadow:0 12px 30px rgba(24,33,30,.08);
  --radius:8px;--content:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
img{display:block;max-width:100%}
.container{width:min(var(--content),calc(100% - 48px));margin-inline:auto}
.site-header{height:76px;background:rgba(246,247,242,.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:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:17px;white-space:nowrap}
.brand-mark{width:37px;height:37px;border-radius:7px;background:var(--forest);color:var(--lime);display:grid;place-items:center;font-size:14px;letter-spacing:0}
.nav-links{display:flex;align-items:center;gap:28px;color:#47524c;font-size:14px}
.nav-links a{padding:9px 0;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--forest);border-color:var(--coral)}
.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:5px;font-weight:750;transition:transform .2s,background .2s,box-shadow .2s}
.nav-cta{padding:10px 16px;background:var(--forest);color:#fff;font-size:13px}
.nav-cta:hover,.btn-primary:hover{background:var(--forest-2);transform:translateY(-2px);box-shadow:0 8px 18px rgba(22,55,46,.18)}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--ink);width:42px;height:42px;border-radius:5px;font-size:20px}
.hero{min-height:610px;position:relative;display:flex;align-items:flex-end;color:white;background:#18211e url("https://images.unsplash.com/photo-1489599849927-2ee91cede3ba?auto=format&fit=crop&w=2000&q=85") center 43%/cover no-repeat;isolation:isolate}
.hero:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(11,20,16,.86) 0%,rgba(11,20,16,.52) 51%,rgba(11,20,16,.08) 100%),linear-gradient(0deg,rgba(11,20,16,.62),transparent 55%)}
.hero-inner{padding:92px 0 62px}
.hero-kicker,.eyebrow{display:flex;align-items:center;gap:10px;text-transform:uppercase;font-size:12px;font-weight:800;letter-spacing:0;color:var(--lime)}
.hero-kicker:before{content:"";width:26px;height:2px;background:var(--coral)}
.hero h1{font-size:clamp(40px,5.5vw,68px);line-height:1.12;max-width:720px;margin:18px 0 18px;font-weight:850}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-lead{font-size:19px;font-weight:650;max-width:650px;margin:0 0 15px}
.hero-copy{max-width:650px;color:rgba(255,255,255,.84);margin:0 0 28px}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{padding:12px 19px;min-height:48px;font-size:14px}
.btn-primary{background:var(--lime);color:var(--dark)}
.btn-primary:hover{background:#e3fa91}
.btn-ghost{border-color:rgba(255,255,255,.58);color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost:hover{background:rgba(255,255,255,.18)}
.hero-index{position:absolute;right:max(24px,calc((100vw - var(--content))/2));bottom:30px;display:flex;align-items:center;gap:11px;color:#fff;font-size:12px}
.hero-index span{display:block;width:64px;height:2px;background:var(--lime)}
.ticker{background:var(--lime);color:var(--forest);font-size:13px;font-weight:800}
.ticker-inner{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.ticker strong{font-size:12px;letter-spacing:0}
.ticker a{border-bottom:1px solid currentColor}
.section{padding:78px 0;border-bottom:1px solid var(--line)}
.section-white{background:#fff}
.section-dark{background:var(--forest);color:#fff;border-color:rgba(255,255,255,.12)}
.section-soft{background:var(--soft)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:32px}
.section-head h2{font-size:30px;line-height:1.25;margin:7px 0 0;letter-spacing:0}
.section-head p{max-width:525px;color:var(--muted);margin:0}
.section-dark .section-head p{color:#c5d1ca}
.eyebrow{color:#718147;font-size:11px}
.section-dark .eyebrow{color:var(--lime)}
.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--forest);font-weight:750;font-size:13px;white-space:nowrap}
.text-link:hover{color:#537136}
.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.benefit{padding:24px 26px 25px 0;display:grid;grid-template-columns:46px 1fr;gap:16px}
.benefit+.benefit{border-left:1px solid var(--line);padding-left:25px}
.benefit-no{color:var(--coral);font-size:13px;font-weight:850}
.benefit h3{font-size:17px;margin:0 0 5px}
.benefit p{margin:0;color:var(--muted);font-size:14px}
.poster-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:22px 16px}
.poster{min-width:0}
.poster-image{aspect-ratio:2/2.75;position:relative;overflow:hidden;background:#dce2da;border-radius:5px}
.poster-image img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.poster:hover .poster-image img{transform:scale(1.04)}
.poster-image:after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.4))}
.badge{position:absolute;top:9px;left:9px;z-index:2;background:var(--lime);color:var(--forest);padding:3px 7px;border-radius:3px;font-size:10px;line-height:1.5;font-weight:850}
.badge.coral{background:var(--coral);color:white}
.badge.light{background:rgba(255,255,255,.92);color:var(--forest)}
.poster-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:10px}
.poster h3{font-size:14px;line-height:1.4;margin:0;font-weight:750}
.rating{font-size:12px;font-weight:800;color:#a86225;white-space:nowrap}
.poster-sub{font-size:11px;color:var(--muted);margin-top:3px}
.stage{display:grid;grid-template-columns:1.05fr .95fr;gap:62px;align-items:center}
.stage-image{position:relative;min-height:420px;background:#dce2da;overflow:hidden;border-radius:5px}
.stage-image img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover}
.stage-stamp{position:absolute;left:18px;bottom:18px;background:var(--lime);color:var(--forest);padding:12px 15px;font-size:12px;font-weight:800}
.stage-copy h2{font-size:32px;line-height:1.28;margin:9px 0 15px}
.stage-copy>p{color:var(--muted);margin:0 0 22px}
.steps{border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:40px 1fr;gap:13px;padding:14px 0;border-bottom:1px solid var(--line)}
.step-no{font-size:12px;color:var(--coral);font-weight:850}
.step h3{font-size:14px;margin:0 0 3px}
.step p{font-size:13px;color:var(--muted);margin:0}
.featured-layout{display:grid;grid-template-columns:1.35fr .9fr;gap:20px}
.featured-main{position:relative;min-height:390px;overflow:hidden;border-radius:5px;background:#263b33}
.featured-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.featured-main:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.8))}
.featured-copy{position:absolute;z-index:2;left:25px;right:25px;bottom:23px;color:#fff}
.featured-copy h3{font-size:25px;margin:8px 0 5px}
.featured-copy p{font-size:13px;color:rgba(255,255,255,.82);margin:0;max-width:480px}
.featured-side{display:grid;grid-template-rows:1fr 1fr;gap:20px}
.featured-mini{position:relative;min-height:185px;overflow:hidden;border-radius:5px;background:#30443b}
.featured-mini img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.featured-mini:after{content:"";position:absolute;inset:40% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.82))}
.featured-mini .featured-copy{left:17px;bottom:14px}
.featured-mini h3{font-size:17px;margin:4px 0}
.featured-mini p{font-size:11px}
.category-grid{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.category{padding:23px 18px 23px 0;min-height:175px;position:relative}
.category+.category{border-left:1px solid var(--line);padding-left:18px}
.category-no{font-size:11px;color:var(--coral);font-weight:850}
.category h3{font-size:17px;margin:13px 0 7px}
.category p{font-size:13px;color:var(--muted);margin:0}
.category a:after{content:"↗";position:absolute;right:12px;top:21px;color:var(--forest);font-weight:800}
.feedback-band{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;align-items:center}
.feedback-band h2{font-size:30px;line-height:1.3;margin:8px 0 12px}
.feedback-band>div>p{color:#c5d1ca;margin:0}
.quote-list{border-top:1px solid rgba(255,255,255,.22)}
.quote{display:grid;grid-template-columns:100px 1fr;gap:20px;padding:17px 0;border-bottom:1px solid rgba(255,255,255,.22)}
.quote-tag{color:var(--lime);font-size:12px;font-weight:750}
.quote p{margin:0;color:#f0f3ef;font-size:14px}
.comparison{width:100%;border-collapse:collapse}
.comparison th,.comparison td{text-align:left;padding:15px 17px;border-bottom:1px solid var(--line);vertical-align:top}
.comparison th{font-size:12px;color:var(--muted);font-weight:700}
.comparison td{font-size:14px}
.comparison td:first-child{font-weight:750;width:23%}
.comparison .good{color:var(--forest);font-weight:750}
.topic-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:55px}
.topic-intro h2{font-size:30px;line-height:1.3;margin:8px 0 12px}
.topic-intro p{color:var(--muted);margin:0}
.topic-list{border-top:1px solid var(--line)}
.topic-item{display:grid;grid-template-columns:55px 1fr auto;align-items:center;gap:16px;padding:17px 0;border-bottom:1px solid var(--line)}
.topic-item .num{color:var(--coral);font-size:12px;font-weight:850}
.topic-item h3{margin:0;font-size:15px}
.topic-item p{margin:3px 0 0;color:var(--muted);font-size:12px}
.topic-count{font-size:11px;color:var(--muted);white-space:nowrap}
.rank-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:54px}
.rank-intro h2{font-size:30px;line-height:1.3;margin:8px 0 12px}
.rank-intro p{color:var(--muted);margin:0 0 20px}
.rank-list{border-top:1px solid var(--line)}
.rank-row{display:grid;grid-template-columns:38px minmax(0,1fr) 100px 55px 80px;align-items:center;gap:12px;min-height:49px;border-bottom:1px solid var(--line);font-size:13px}
.rank-number{color:var(--coral);font-weight:850}
.rank-title{font-weight:750;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-type{color:var(--muted);font-size:11px}
.rank-heat{color:var(--muted);font-variant-numeric:tabular-nums}
.rank-score{font-weight:800;color:#a86225}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px 20px}
.news-item{display:grid;grid-template-columns:118px 1fr;gap:15px;align-items:start}
.news-item img{width:118px;height:86px;object-fit:cover;border-radius:4px}
.news-date{font-size:10px;color:#788179;font-weight:750}
.news-item h3{font-size:14px;line-height:1.45;margin:4px 0}
.news-item p{font-size:12px;line-height:1.55;color:var(--muted);margin:0}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.timeline-item{padding:21px 23px 21px 0}
.timeline-item+.timeline-item{border-left:1px solid var(--line);padding-left:23px}
.timeline-date{font-size:11px;color:#718147;font-weight:850}
.timeline-item h3{font-size:15px;margin:7px 0 5px}
.timeline-item p{font-size:13px;color:var(--muted);margin:0}
.finder{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:start}
.finder h2{font-size:29px;line-height:1.3;margin:8px 0 12px}
.finder p{margin:0;color:var(--muted)}
.finder-form{display:flex;gap:10px;align-items:center}
.finder-form label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.finder-form input{flex:1;min-width:0;height:49px;border:1px solid #cbd4ca;border-radius:4px;background:#fff;padding:0 14px;color:var(--ink)}
.finder-form input::placeholder{color:#89928b}
.finder-form button{height:49px;padding:0 18px;border:0;border-radius:4px;background:var(--forest);color:#fff;font-weight:750;cursor:pointer}
.finder-form button:hover{background:var(--forest-2)}
.finder-result{grid-column:2;color:var(--forest);font-size:13px;min-height:24px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;display:flex;justify-content:space-between;gap:18px;padding:19px 0;font-weight:750;cursor:pointer}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";font-size:20px;font-weight:400;color:var(--coral);line-height:1}
.faq-item[open] summary:after{content:"−"}
.faq-item p{max-width:850px;color:var(--muted);font-size:14px;margin:-3px 35px 20px 0}
.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.notice{border-left:3px solid var(--lime);padding:2px 0 2px 15px}
.notice h3{font-size:14px;margin:0 0 5px}
.notice p{font-size:13px;color:#c5d1ca;margin:0}
.assurance-row{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.assurance{display:flex;gap:14px;padding:19px 20px 19px 0;align-items:flex-start}
.assurance+.assurance{border-left:1px solid var(--line);padding-left:20px}
.assurance-icon{width:29px;height:29px;flex:0 0 29px;border:1px solid #bdc8bc;border-radius:50%;display:grid;place-items:center;color:var(--forest);font-size:13px}
.assurance h3{font-size:14px;margin:0 0 3px}
.assurance p{font-size:12px;color:var(--muted);margin:0}
.final-cta{background:var(--lime);padding:37px 0}
.final-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.final-cta h2{font-size:25px;margin:0}
.final-cta p{margin:3px 0 0;color:#42503a;font-size:14px}
.final-cta .btn{background:var(--forest);color:white}
.final-cta .btn:hover{background:var(--forest-2)}
.site-footer{background:var(--dark);color:#e9eee9;padding:54px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:35px;padding-bottom:35px}
.footer-brand{font-size:17px;font-weight:800;display:flex;align-items:center;gap:11px}
.footer-brand .brand-mark{background:var(--lime);color:var(--forest)}
.footer-about{max-width:310px;color:#aeb9b0;font-size:13px;margin:14px 0 0}
.footer-col h3{font-size:12px;color:var(--lime);margin:0 0 12px}
.footer-col a,.footer-col span{display:block;font-size:13px;color:#c6cec8;padding:4px 0}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid #34403a;padding-top:16px;display:flex;justify-content:space-between;gap:20px;color:#98a49b;font-size:11px}
.sticky-cta{position:fixed;z-index:25;bottom:16px;left:50%;transform:translateX(-50%);width:min(620px,calc(100% - 32px));background:rgba(16,25,22,.96);color:#fff;border:1px solid rgba(255,255,255,.12);box-shadow:0 9px 28px rgba(0,0,0,.23);border-radius:6px;padding:9px 10px 9px 17px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.sticky-cta span{font-size:13px;font-weight:650}
.sticky-cta a{background:var(--lime);color:var(--forest);padding:8px 14px;border-radius:4px;font-size:12px;font-weight:850;white-space:nowrap}
.sticky-cta a:hover{background:#e3fa91}
body{padding-bottom:62px}
@media(max-width:1024px){
  .poster-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .category-grid{grid-template-columns:repeat(3,1fr)}
  .category:nth-child(4){border-left:0;padding-left:0;border-top:1px solid var(--line)}
  .category:nth-child(5){border-top:1px solid var(--line)}
  .stage{gap:35px}
}
@media(max-width:768px){
  .container{width:min(100% - 36px,var(--content))}
  .site-header{height:68px}
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:10px 18px 17px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 0;border-bottom:1px solid var(--line)}
  .nav-links a:last-child{border-bottom:0}
  .nav-cta{margin-left:auto}
  .menu-toggle{display:grid;place-items:center}
  .hero{min-height:580px;background-position:58% center}
  .hero-inner{padding:80px 0 68px}
  .hero h1{font-size:48px}
  .section{padding:58px 0}
  .section-head{align-items:flex-start;flex-direction:column;gap:12px}
  .section-head h2{font-size:27px}
  .stage{grid-template-columns:1fr;gap:28px}
  .stage-image{min-height:340px}
  .stage-copy h2,.topic-intro h2,.rank-intro h2,.feedback-band h2{font-size:27px}
  .feedback-band{grid-template-columns:1fr;gap:24px}
  .topic-layout,.rank-layout{grid-template-columns:1fr;gap:28px}
  .timeline{grid-template-columns:1fr}
  .timeline-item,.timeline-item+.timeline-item{padding:16px 0;border-left:0}
  .timeline-item+.timeline-item{border-top:1px solid var(--line)}
  .finder{grid-template-columns:1fr;gap:20px}
  .finder-result{grid-column:1}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid>div:first-child{grid-column:1/-1}
}
@media(max-width:520px){
  body{font-size:14px;padding-bottom:66px}
  .container{width:calc(100% - 32px)}
  .brand{font-size:14px;gap:8px}
  .brand-mark{width:34px;height:34px}
  .nav-cta{display:none}
  .hero{min-height:555px;background-position:61% center}
  .hero:before{background:linear-gradient(90deg,rgba(11,20,16,.82),rgba(11,20,16,.32)),linear-gradient(0deg,rgba(11,20,16,.65),transparent 68%)}
  .hero-inner{padding:68px 0 74px}
  .hero h1{font-size:40px}
  .hero-lead{font-size:17px}
  .hero-copy{font-size:13px}
  .hero-index{right:16px;bottom:19px}
  .ticker-inner{min-height:44px;font-size:11px}
  .ticker strong{display:none}
  .section{padding:48px 0}
  .section-head{margin-bottom:23px}
  .section-head h2{font-size:24px}
  .section-head p{font-size:13px}
  .benefit-grid{grid-template-columns:1fr}
  .benefit,.benefit+.benefit{padding:16px 0;border-left:0}
  .benefit+.benefit{border-top:1px solid var(--line)}
  .poster-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:19px 13px}
  .poster h3{font-size:13px}
  .featured-layout{grid-template-columns:1fr}
  .featured-main{min-height:320px}
  .featured-side{grid-template-columns:1fr 1fr;grid-template-rows:none;gap:11px}
  .featured-mini{min-height:155px}
  .featured-mini .featured-copy{left:11px;right:9px;bottom:10px}
  .featured-mini h3{font-size:14px}
  .featured-mini p{font-size:10px}
  .category-grid{grid-template-columns:1fr 1fr}
  .category,.category+.category,.category:nth-child(4),.category:nth-child(5){min-height:155px;padding:16px 12px 16px 0;border-left:0;border-top:1px solid var(--line)}
  .category:nth-child(even){border-left:1px solid var(--line);padding-left:14px}
  .category h3{font-size:15px;margin-top:9px}
  .category p{font-size:12px}
  .quote{grid-template-columns:74px 1fr;gap:12px}
  .quote p{font-size:13px}
  .comparison th,.comparison td{padding:12px 8px;font-size:12px}
  .comparison td:first-child{width:25%}
  .topic-item{grid-template-columns:34px 1fr auto;gap:9px}
  .topic-item h3{font-size:13px}
  .topic-item p{font-size:11px}
  .rank-row{grid-template-columns:28px minmax(0,1fr) 48px 42px;gap:7px;font-size:11px}
  .rank-type{display:none}
  .rank-heat{font-size:10px}
  .rank-score{font-size:11px}
  .news-grid{grid-template-columns:1fr;gap:18px}
  .news-item{grid-template-columns:100px 1fr;gap:12px}
  .news-item img{width:100px;height:76px}
  .notice-grid{grid-template-columns:1fr;gap:17px}
  .assurance-row{grid-template-columns:1fr}
  .assurance,.assurance+.assurance{padding:15px 0;border-left:0}
  .assurance+.assurance{border-top:1px solid var(--line)}
  .finder-form{align-items:stretch}
  .finder-form input{width:100%;font-size:13px}
  .finder-form button{padding:0 13px}
  .final-cta-inner{align-items:flex-start;flex-direction:column}
  .final-cta h2{font-size:22px}
  .footer-grid{gap:22px 16px}
  .footer-col h3{font-size:11px}
  .footer-col a,.footer-col span{font-size:12px}
  .footer-bottom{flex-direction:column;gap:5px}
  .sticky-cta{bottom:max(8px,env(safe-area-inset-bottom));padding:8px 9px 8px 12px}
  .sticky-cta span{font-size:12px}
  .sticky-cta a{padding:8px 11px;font-size:11px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
}