/* roulang page: index */
:root{
    --ink:#172a26;--muted:#64736e;--paper:#f7f8f4;--white:#fff;--line:#e2e9e3;
    --green:#176b56;--green-dark:#125444;--mint:#dff1e7;--coral:#e87861;--gold:#e7b95c;
    --violet:#7567a8;--shadow:0 16px 42px rgba(25,57,45,.09);--shadow-sm:0 7px 20px rgba(25,57,45,.07);
    --radius:18px;--radius-lg:28px;--container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:94px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:auto;object-fit:cover}
button,input{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(232,120,97,.65);outline-offset:3px}
.container{width:min(var(--container),calc(100% - 48px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(226,233,227,.9)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:11px;min-width:0;font-size:16px;font-weight:800;white-space:nowrap}
.brand-mark{display:grid;place-items:center;width:39px;height:39px;flex:0 0 39px;border-radius:13px;background:linear-gradient(140deg,var(--green),#41a17b);color:white;font-size:18px;box-shadow:0 7px 16px rgba(23,107,86,.2)}
.nav-links{display:flex;align-items:center;gap:5px}
.nav-links a{padding:9px 12px;border-radius:10px;color:#55645e;font-size:13px;font-weight:650;transition:background .2s,color .2s}
.nav-links a:hover,.nav-links a.active{background:#edf5ef;color:var(--green-dark)}
.nav-links a.active{font-weight:800}
.nav-action{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 17px;border:0;border-radius:12px;background:var(--green);color:white;font-size:13px;font-weight:750;transition:background .2s,transform .2s}
.nav-action:hover{background:var(--green-dark);transform:translateY(-1px)}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:white;color:var(--ink);cursor:pointer}
.menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{display:block;width:17px;height:2px;background:currentColor;content:"";position:relative;margin:auto}
.menu-toggle span:before{position:absolute;top:-6px}.menu-toggle span:after{position:absolute;top:6px}
main{overflow:hidden}
.hero{position:relative;isolation:isolate;padding:56px 0 36px;background:linear-gradient(115deg,#e7f2e8 0%,#eff5eb 52%,#f8eee5 100%)}
.hero:before{content:"";position:absolute;z-index:-1;inset:0;background-image:linear-gradient(90deg,rgba(15,50,39,.78),rgba(15,50,39,.25) 62%,rgba(15,50,39,.08)),url("<?= htmlspecialchars($img('photo-1519608487953-e999c86e7455', 1800), ENT_QUOTES, 'UTF-8') ?>");background-position:center 48%;background-size:cover}
.hero-inner{min-height:420px;display:flex;align-items:center}
.hero-copy{max-width:770px;color:white;padding:34px 0}
.hero-kicker{display:inline-flex;align-items:center;gap:9px;margin:0 0 17px;color:#d9f2df;font-size:12px;font-weight:750}
.hero-kicker:before{content:"";width:23px;height:2px;background:var(--gold)}
.hero h1{max-width:760px;margin:0;font-size:clamp(34px,4.4vw,58px);line-height:1.16;font-weight:820;color:#fff}
.hero h1 .highlight{color:#b9e6c8}
.hero-subtitle{margin:16px 0 0;font-size:19px;font-weight:650;color:#f8fcf8}
.hero-description{max-width:700px;margin:12px 0 0;color:rgba(255,255,255,.84);font-size:15px;line-height:1.95}
.hero-actions{display:flex;flex-wrap:wrap;gap:11px;margin-top:25px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 19px;border:1px solid transparent;border-radius:12px;font-size:13px;font-weight:750;transition:transform .2s,background .2s,box-shadow .2s}
.button:hover{transform:translateY(-2px)}
.button-primary{background:var(--coral);color:white;box-shadow:0 8px 18px rgba(191,81,63,.22)}
.button-primary:hover{background:#d96750}
.button-ghost{border-color:rgba(255,255,255,.48);color:white;background:rgba(255,255,255,.08)}
.button-ghost:hover{background:rgba(255,255,255,.18)}
.hero-proof{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
.proof-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid rgba(255,255,255,.24);border-radius:999px;background:rgba(15,42,34,.29);color:#f1f8f2;font-size:12px}
.proof-pill strong{color:#c7eccf}
.section{padding:72px 0}
.section-white{background:#fff}
.section-soft{background:#edf4ee}
.section-dark{background:#17372f;color:#f6fbf6}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:28px}
.section-head-copy{max-width:720px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:8px;color:var(--green);font-size:11px;font-weight:800;text-transform:uppercase}
.eyebrow:before{content:"";width:18px;height:2px;background:var(--coral)}
.section-dark .eyebrow{color:#b7e4c6}
.section-title{margin:0;font-size:30px;line-height:1.3;font-weight:800}
.section-desc{max-width:760px;margin:9px 0 0;color:var(--muted);font-size:14px;line-height:1.9}
.section-dark .section-desc{color:#c5d6ce}
.text-link{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;color:var(--green);font-size:13px;font-weight:750}
.text-link:hover{color:var(--coral)}
.ability-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:16px}
.ability{position:relative;min-height:210px;padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:white;box-shadow:var(--shadow-sm);overflow:hidden}
.ability-feature{grid-row:span 2;min-height:436px;background:linear-gradient(155deg,#176b56,#204d43);color:white;border:0}
.ability-number{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--mint);color:var(--green);font-size:12px;font-weight:850}
.ability-feature .ability-number{background:rgba(255,255,255,.15);color:#d1f0d9}
.ability h3{margin:19px 0 8px;font-size:19px;line-height:1.4}
.ability p{margin:0;color:var(--muted);font-size:13px;line-height:1.85}
.ability-feature p{max-width:340px;color:#d6e7dd}
.ability-decoration{position:absolute;right:18px;bottom:14px;color:rgba(255,255,255,.12);font-size:84px;font-weight:900;line-height:1}
.progress-section{padding:68px 0;background:#f2eee7}
.progress-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:center}
.progress-copy .section-title{max-width:420px}
.progress-stat{display:flex;align-items:baseline;gap:10px;margin-top:23px}
.progress-stat strong{font-size:42px;line-height:1;color:var(--green)}
.progress-stat span{color:var(--muted);font-size:13px}
.progress-note{max-width:420px;margin:12px 0 0;color:var(--muted);font-size:13px}
.group-list{display:grid;gap:11px}
.group-item{display:grid;grid-template-columns:minmax(130px,1fr) 1.2fr auto;align-items:center;gap:18px;padding:17px 19px;border:1px solid #e5e2d9;border-radius:15px;background:rgba(255,255,255,.82)}
.group-title{font-weight:780;font-size:14px}
.group-title small{display:block;margin-top:3px;color:var(--muted);font-size:11px;font-weight:500}
.progress-track{height:8px;border-radius:99px;background:#e8e9e1;overflow:hidden}
.progress-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--green),#63b77b)}
.group-count{color:var(--muted);font-size:11px;white-space:nowrap}
.group-count strong{color:var(--green);font-size:13px}
.group-link{padding:8px 12px;border-radius:9px;background:#e7f2e8;color:var(--green-dark);font-size:11px;font-weight:800;white-space:nowrap;transition:background .2s}
.group-link:hover{background:#d4ead9}
.planning-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.plan-card{padding:22px;border:1px solid var(--line);border-radius:16px;background:white}
.plan-date{color:var(--coral);font-size:11px;font-weight:800}
.plan-card h3{margin:11px 0 7px;font-size:16px}
.plan-card p{margin:0;color:var(--muted);font-size:12px;line-height:1.85}
.plan-tag{display:inline-block;margin-top:15px;padding:5px 9px;border-radius:8px;background:#f2f4ee;color:#66756c;font-size:10px;font-weight:700}
.release-list{border-top:1px solid rgba(255,255,255,.16)}
.release-row{display:grid;grid-template-columns:130px 1fr 100px;gap:20px;align-items:center;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.14)}
.release-version{color:#bfe9ca;font-size:12px;font-weight:800}
.release-row h3{margin:0;font-size:14px}
.release-row p{margin:4px 0 0;color:#bdcec4;font-size:12px}
.release-date{text-align:right;color:#bdcec4;font-size:11px}
.movie-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:19px}
.movie-card{min-width:0;border:1px solid var(--line);border-radius:15px;background:#fff;overflow:hidden;transition:transform .22s,box-shadow .22s,border-color .22s}
.movie-card:hover{transform:translateY(-4px);border-color:#c7d9cb;box-shadow:var(--shadow)}
.poster{position:relative;aspect-ratio:1.43/1;overflow:hidden;background:#dce5df}
.poster img{height:100%;transition:transform .45s}
.movie-card:hover .poster img{transform:scale(1.045)}
.poster:after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,rgba(12,31,25,.45))}
.badge{position:absolute;z-index:1;top:11px;left:11px;padding:5px 9px;border-radius:7px;background:rgba(255,255,255,.93);color:var(--green-dark);font-size:10px;font-weight:800}
.poster-score{position:absolute;z-index:2;right:12px;bottom:10px;color:#fff;font-size:12px;font-weight:800}
.movie-info{padding:13px 14px 15px}
.movie-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--muted);font-size:10px}
.movie-info h3{margin:5px 0 5px;font-size:15px;line-height:1.4}
.movie-info p{min-height:43px;margin:0;color:#718078;font-size:11px;line-height:1.75}
.movie-foot{display:flex;align-items:center;justify-content:space-between;margin-top:11px;padding-top:10px;border-top:1px solid #edf0eb;color:var(--muted);font-size:10px}
.movie-foot strong{color:var(--green);font-size:12px}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.feature-card{position:relative;min-height:315px;border-radius:18px;overflow:hidden;background:#243b31}
.feature-card img{position:absolute;inset:0;height:100%;transition:transform .5s}
.feature-card:hover img{transform:scale(1.05)}
.feature-card:after{content:"";position:absolute;inset:25% 0 0;background:linear-gradient(transparent,rgba(10,29,22,.85))}
.feature-content{position:absolute;z-index:2;right:20px;bottom:20px;left:20px;color:white}
.feature-content span{font-size:10px;color:#c9e6d0;font-weight:750}
.feature-content h3{margin:5px 0;font-size:21px}
.feature-content p{margin:0;color:rgba(255,255,255,.82);font-size:12px}
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0 28px}
.category-item{display:grid;grid-template-columns:44px 1fr;gap:15px;padding:22px 0;border-top:1px solid var(--line)}
.category-index{color:#9aa79d;font-size:12px;font-weight:800}
.category-item h3{margin:0 0 5px;font-size:16px}
.category-item p{margin:0;color:var(--muted);font-size:12px;line-height:1.8}
.ranking-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:start}
.ranking-intro{position:sticky;top:108px}
.ranking-intro .section-title{font-size:32px}
.ranking-intro .ranking-callout{margin-top:25px;padding:17px;border-left:3px solid var(--coral);background:#fff4ed;color:#73594c;font-size:12px;line-height:1.8}
.ranking-list{margin:0;padding:0;list-style:none}
.ranking-item{display:grid;grid-template-columns:42px minmax(100px,1fr) 92px 54px;align-items:center;gap:13px;padding:14px 10px;border-bottom:1px solid var(--line);transition:background .2s}
.ranking-item:hover{background:#f2f7f1}
.rank-number{color:#a4afa7;font-size:18px;font-weight:850;text-align:center}
.ranking-item:nth-child(-n+3) .rank-number{color:var(--coral)}
.rank-name{font-size:13px;font-weight:750}
.rank-category{display:block;margin-top:2px;color:var(--muted);font-size:10px;font-weight:500}
.rank-heat{color:var(--muted);font-size:11px;text-align:right}
.rank-score{color:var(--green);font-size:13px;font-weight:850;text-align:right}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.news-item{display:grid;grid-template-columns:96px 1fr;gap:14px;padding:12px;border:1px solid var(--line);border-radius:14px;background:white;transition:box-shadow .2s,transform .2s}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.news-item img{height:88px;border-radius:10px}
.news-copy{display:flex;flex-direction:column;justify-content:space-between;min-width:0}
.news-copy h3{margin:2px 0;font-size:13px;line-height:1.6}
.news-copy time{color:var(--muted);font-size:10px}
.news-label{color:var(--green);font-size:9px;font-weight:800}
.subscribe-band{padding:44px 0;background:linear-gradient(110deg,#dff0e4,#f0f3e6 58%,#f6e8df)}
.subscribe-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.subscribe-inner h2{margin:0;font-size:25px}
.subscribe-inner p{max-width:600px;margin:7px 0 0;color:var(--muted);font-size:13px}
.subscribe-form{display:flex;gap:9px;flex:0 0 auto}
.subscribe-form input{width:230px;min-height:46px;padding:0 14px;border:1px solid #d5dfd5;border-radius:11px;background:#fff;color:var(--ink);font-size:12px}
.subscribe-form input::placeholder{color:#97a39b}
.subscribe-form button{min-height:46px;padding:0 17px;border:0;border-radius:11px;background:var(--green);color:white;font-size:12px;font-weight:750;cursor:pointer;transition:background .2s}
.subscribe-form button:hover{background:var(--green-dark)}
.form-message{min-height:18px;margin:5px 0 0;color:var(--green-dark);font-size:11px}
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.faq-item{padding:19px 20px;border:1px solid var(--line);border-radius:14px;background:#fff}
.faq-item h3{display:flex;gap:11px;align-items:flex-start;margin:0 0 8px;font-size:14px}
.faq-item h3:before{content:"问";display:grid;place-items:center;flex:0 0 24px;height:24px;border-radius:8px;background:var(--mint);color:var(--green);font-size:11px}
.faq-item p{margin:0 0 0 35px;color:var(--muted);font-size:12px;line-height:1.85}
.site-footer{padding:47px 0 20px;background:#142d26;color:#e9f1eb}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:34px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:800}
.footer-about{max-width:290px;margin:14px 0 0;color:#b5c8bb;font-size:11px;line-height:1.9}
.footer-col h3{margin:0 0 13px;color:#a9ddba;font-size:12px}
.footer-links{display:grid;gap:9px}
.footer-links a{width:fit-content;color:#c5d3c9;font-size:11px;transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-note{color:#b5c8bb;font-size:11px;line-height:1.9}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;padding-top:17px;border-top:1px solid rgba(255,255,255,.15);color:#a7b9ad;font-size:10px}
@media(max-width:1024px){
    .nav-links a{padding:8px 9px;font-size:12px}.nav-action{padding-inline:13px}
    .ability-grid{grid-template-columns:1fr 1fr}.ability-feature{grid-row:span 2}
    .movie-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .ranking-layout{gap:28px}.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
}
@media(max-width:768px){
    .container{width:min(100% - 36px,var(--container))}
    .nav-wrap{height:68px;gap:12px}.brand{font-size:14px}.brand-mark{width:36px;height:36px;flex-basis:36px}
    .menu-toggle{display:block;margin-left:auto}.nav-action{min-height:40px;padding:0 12px;font-size:11px}
    .nav-links{position:absolute;top:68px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:2px;padding:10px 18px 16px;background:white;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
    .nav-links.open{display:flex}.nav-links a{padding:11px 13px;font-size:13px}
    .hero{padding:32px 0 22px}.hero-inner{min-height:385px}.hero-copy{padding:25px 0}.hero h1{font-size:42px}
    .hero-description{font-size:13px;line-height:1.85}.hero-subtitle{font-size:17px}
    .section{padding:55px 0}.section-head{align-items:flex-start;flex-direction:column;gap:12px}.section-title{font-size:26px}
    .progress-layout{grid-template-columns:1fr;gap:26px}.progress-copy .section-title{max-width:none}
    .planning-grid{grid-template-columns:1fr 1fr}.movie-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
    .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-card:last-child{display:none}
    .category-grid{grid-template-columns:1fr 1fr;gap:0 22px}
    .ranking-layout{grid-template-columns:1fr;gap:20px}.ranking-intro{position:static}.ranking-intro .ranking-callout{margin-top:14px}
    .subscribe-inner{align-items:flex-start;flex-direction:column}.subscribe-form{width:100%}.subscribe-form input{flex:1;width:0}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:520px){
    body{font-size:14px}.container{width:calc(100% - 30px)}
    .brand{gap:8px;font-size:12px}.brand-mark{width:33px;height:33px;flex-basis:33px;border-radius:11px;font-size:16px}
    .nav-wrap{gap:8px}.nav-action{padding:0 10px;font-size:10px}.menu-toggle{width:38px;height:38px}
    .hero:before{background-image:linear-gradient(90deg,rgba(15,50,39,.83),rgba(15,50,39,.56)),url("<?= htmlspecialchars($img('photo-1519608487953-e999c86e7455', 1000), ENT_QUOTES, 'UTF-8') ?>");background-position:center}
    .hero-inner{min-height:430px}.hero h1{font-size:35px}.hero-subtitle{font-size:15px}.hero-description{font-size:12px}
    .hero-actions .button{flex:1;min-height:44px;padding-inline:10px;font-size:12px}
    .hero-proof{gap:7px}.proof-pill{padding:7px 9px;font-size:10px}
    .section{padding:45px 0}.section-title{font-size:23px}.section-desc{font-size:12px}
    .ability-grid{grid-template-columns:1fr;gap:11px}.ability-feature{grid-row:auto;min-height:245px}.ability{min-height:auto;padding:20px}
    .progress-section{padding:47px 0}.progress-stat strong{font-size:35px}
    .group-item{grid-template-columns:1fr auto;gap:10px;padding:14px}.group-item .progress-track{grid-column:1}.group-count{grid-column:2;grid-row:2}.group-link{grid-column:2;grid-row:1}
    .planning-grid{grid-template-columns:1fr}.plan-card{padding:18px}
    .release-row{grid-template-columns:74px 1fr;gap:11px}.release-date{grid-column:2;text-align:left;margin-top:-5px}
    .movie-grid{grid-template-columns:1fr 1fr;gap:10px}.movie-info{padding:10px}.movie-info h3{font-size:13px}.movie-info p{min-height:58px;font-size:10px}.movie-meta{font-size:9px}
    .feature-grid{grid-template-columns:1fr}.feature-card{min-height:280px}.feature-card:nth-child(n+2){display:none}
    .category-grid{grid-template-columns:1fr;gap:0}.category-item{padding:17px 0}
    .ranking-item{grid-template-columns:32px minmax(90px,1fr) 68px 43px;gap:7px;padding:13px 4px}.rank-heat{font-size:9px}.rank-name{font-size:12px}
    .news-grid{grid-template-columns:1fr;gap:10px}.news-item{grid-template-columns:82px 1fr}.news-item img{height:76px}
    .subscribe-inner h2{font-size:21px}.subscribe-form{gap:7px}.subscribe-form input{min-width:0;padding-inline:10px}.subscribe-form button{padding-inline:12px}
    .faq-list{grid-template-columns:1fr}.faq-item{padding:16px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:24px 17px}.footer-grid>div:first-child{grid-column:1/-1}
    .footer-bottom{flex-direction:column;gap:5px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}