/* roulang page: index */
:root{--c-primary:#D4527A;--c-plum:#3A1848;--c-cyan:#7EC8C3;--c-bg-0:#120814;--c-bg-1:#1C1024;--c-card:#241428;--c-text:#F7F2EC;--c-muted:#CDBCC6;--c-line:rgba(212,82,122,.35);--fs-body:17px;--fs-small:14px;--fs-h1:42px;--fs-h2:30px;--fs-h3:20px;--radius-lg:28px;--radius-md:18px;--radius-pill:999px;--shadow:0 12px 28px rgba(58,24,72,.28);--space-section:84px;--container:1120px;--gap:18px;--header-h:76px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;font-size:var(--fs-body);line-height:1.75;color:var(--c-text);background:linear-gradient(155deg,var(--c-bg-0) 0%,var(--c-bg-1) 48%,#140910 100%);min-height:100vh}
h1,h2,h3,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
img,svg{max-width:100%;display:block}
a{color:var(--c-cyan);text-decoration:none}
a:hover{color:var(--c-text);text-decoration:underline}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
::selection{background:var(--c-primary);color:var(--c-text)}
:focus-visible{outline:2px solid var(--c-cyan);outline-offset:3px}
.container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
header{position:sticky;top:0;z-index:40;height:var(--header-h);background:rgba(18,8,20,.92);border-bottom:1px solid var(--c-line);backdrop-filter:blur(14px)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:block;max-width:8.2em;color:var(--c-text);font-weight:700;font-size:15px;line-height:1.35;text-decoration:none}
.logo:hover{color:var(--c-text);text-decoration:none}
.top-nav{display:flex;align-items:center;justify-content:flex-end;gap:22px;flex-wrap:wrap}
.top-nav a{position:relative;color:var(--c-muted);font-weight:700;font-size:15px;padding:8px 0;text-decoration:none}
.top-nav a:hover{color:var(--c-text);text-decoration:none}
.top-nav a.active{color:var(--c-text)}
.top-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:3px;background:var(--c-primary)}
.tabbar{display:none}
main{display:block}
section{padding:var(--space-section) 0;position:relative}
section + section{box-shadow:inset 0 1px 0 rgba(212,82,122,.28)}
.sec-deep{background:rgba(18,8,20,.55)}
.sec-lift{background:linear-gradient(180deg,rgba(36,20,40,.55),rgba(18,8,20,.2))}
.kicker{display:inline-flex;align-items:center;color:var(--c-cyan);font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:8px}
h1{font-size:var(--fs-h1);font-weight:700;line-height:1.25;letter-spacing:.01em}
h2{font-size:var(--fs-h2);font-weight:700;line-height:1.32}
h3{font-size:var(--fs-h3);font-weight:700;line-height:1.4}
.subhead{margin-top:12px;font-size:18px;font-weight:700;color:var(--c-text)}
.desc,.intro{margin-top:12px;color:var(--c-muted);max-width:40em}
.intro{font-size:16px}
.hero-stack{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,.72fr);gap:var(--gap);align-items:start}
.card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.hero-main{padding:32px 32px 22px}
.hero-sides{display:grid;gap:var(--gap);align-content:start}
.side-a{margin-top:36px}
.hero-side{display:block;padding:22px;color:var(--c-text);text-decoration:none;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.hero-side:hover{color:var(--c-text);text-decoration:none;transform:translateY(-4px);border-color:rgba(212,82,122,.72)}
.hero-side p{color:var(--c-muted);margin-top:8px;font-size:15px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 22px;border-radius:var(--radius-pill);font-weight:700;text-decoration:none;border:1px solid transparent;transition:transform .15s ease,box-shadow .15s ease,filter .15s ease,background .15s ease,color .15s ease,border-color .15s ease}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(100deg,#E2688C 0%,var(--c-primary) 55%,#A33B68 100%);color:var(--c-text);box-shadow:0 8px 18px rgba(212,82,122,.28)}
.btn-primary:hover{color:var(--c-text);filter:brightness(1.08);box-shadow:0 0 0 4px rgba(126,200,195,.28)}
.btn-ghost{background:transparent;color:var(--c-cyan);border-color:var(--c-cyan)}
.btn-ghost:hover{color:var(--c-text);border-color:var(--c-text);box-shadow:0 0 0 4px rgba(126,200,195,.22)}
.btn-text{background:transparent;color:var(--c-cyan);border-color:rgba(126,200,195,.45);min-height:42px}
.btn-text:hover{color:var(--c-text);border-color:var(--c-text)}
.stage{position:relative;margin-top:22px;border-radius:var(--radius-md);overflow:hidden;min-height:230px;border:1px solid var(--c-line);background:radial-gradient(circle at 28% 36%,rgba(212,82,122,.9),transparent 42%),radial-gradient(circle at 74% 62%,rgba(126,200,195,.5),transparent 36%),linear-gradient(155deg,#3A1848,#120814 70%)}
.stage-play{position:absolute;left:50%;top:42%;transform:translate(-50%,-50%);width:68px;height:68px;border-radius:50%;display:grid;place-items:center;background:rgba(18,8,20,.5);border:1px solid rgba(247,242,236,.4);color:var(--c-text)}
.stage-meta{position:absolute;left:14px;bottom:14px;display:flex;flex-wrap:wrap;gap:8px}
.stage h2{position:absolute;right:14px;bottom:12px;font-size:18px;text-shadow:0 6px 16px rgba(18,8,20,.6)}
.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-pill);font-size:12px;font-weight:700;color:var(--c-text);background:linear-gradient(90deg,#E2688C,var(--c-primary) 60%,#8E3A62);letter-spacing:.03em}
.badge-cyan{color:#10201F;background:linear-gradient(90deg,#B7E6E2,var(--c-cyan))}
.block-head{margin-bottom:8px}
.pain-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:16px 20px;margin-top:8px}
.pain-card{padding:26px;transition:transform .2s ease,border-color .2s ease}
.pain-card:hover{transform:translateY(-4px);border-color:rgba(212,82,122,.75)}
.pain-card:first-child{grid-row:1 / span 2}
.pain-card:nth-child(2){margin-top:32px}
.pain-card:nth-child(3){margin-top:4px}
.pain-index{display:inline-flex;min-width:36px;height:36px;align-items:center;justify-content:center;border-radius:12px;background:linear-gradient(140deg,var(--c-primary),var(--c-plum));font-weight:700;margin-bottom:12px}
.pain-card p{color:var(--c-muted);margin-top:8px}
.solution-top{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:center}
.diagram{padding:22px;min-height:340px}
.poster-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:12px}
.poster{background:rgba(18,8,20,.35);border:1px solid var(--c-line);border-radius:var(--radius-md);padding:12px}
.poster-face{height:168px;border-radius:14px;margin:10px 0;background:radial-gradient(circle at 32% 38%,rgba(212,82,122,.88),transparent 46%),radial-gradient(circle at 70% 68%,rgba(126,200,195,.42),transparent 40%),linear-gradient(165deg,#4A2158,#120814)}
.poster-face.alt{background:radial-gradient(circle at 64% 30%,rgba(126,200,195,.7),transparent 42%),radial-gradient(circle at 30% 72%,rgba(212,82,122,.75),transparent 46%),linear-gradient(165deg,#2A3C40,#1A1020)}
.poster strong{display:block;margin-bottom:8px}
.poster .badge{margin-right:6px;margin-top:4px}
.path-row{margin-top:22px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.path-item{padding:16px 16px 14px;border-radius:var(--radius-md);background:var(--c-card);border:1px solid var(--c-line);position:relative}
.path-item span{display:block;color:var(--c-primary);font-weight:700;font-size:13px}
.path-item b{display:block;margin:4px 0}
.path-item em{font-style:normal;color:var(--c-muted);font-size:14px}
.zone-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:8px}
.zone-card{display:flex;flex-direction:column;min-height:280px;padding:28px;color:var(--c-text);text-decoration:none;transition:transform .2s ease,border-color .2s ease}
.zone-card:hover{color:var(--c-text);text-decoration:none;transform:translateY(-4px);border-color:rgba(126,200,195,.7)}
.zone-card p{color:var(--c-muted);margin:10px 0 18px;flex:1}
.zone-card .btn{align-self:flex-start}
.zone-card.alt{background:linear-gradient(180deg,#2A1730,var(--c-card))}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:8px}
.step{padding:20px;border-radius:var(--radius-lg);background:var(--c-card);border:1px solid var(--c-line);min-height:210px}
.step-no{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:700;color:#10201F;background:linear-gradient(140deg,#B7E6E2,var(--c-cyan));margin-bottom:12px}
.step p{color:var(--c-muted);margin-top:8px;font-size:15px}
.scene-grid{display:grid;grid-template-columns:1.35fr .9fr;grid-template-rows:auto auto;gap:16px;margin-top:8px}
.scene-card{display:flex;flex-direction:column;justify-content:flex-end;min-height:210px;padding:22px;color:var(--c-text);text-decoration:none;position:relative;overflow:hidden;transition:transform .2s ease,border-color .2s ease}
.scene-card:hover{color:var(--c-text);text-decoration:none;transform:translateY(-4px);border-color:rgba(212,82,122,.75)}
.scene-wide{grid-row:1 / span 2;min-height:440px;background:radial-gradient(circle at 20% 20%,rgba(212,82,122,.45),transparent 40%),linear-gradient(180deg,rgba(58,24,72,.3),rgba(18,8,20,.2)),var(--c-card)}
.scene-card p{color:var(--c-muted);margin:8px 0 14px}
.scene-card .go{color:var(--c-cyan);font-weight:700}
.stat-note{color:var(--c-cyan);font-weight:700;font-size:14px;margin:12px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{padding:22px 18px;text-align:left}
.stat strong{display:block;font-size:40px;line-height:1.1;color:var(--c-primary);font-weight:700}
.stat span{display:block;color:var(--c-muted);margin-top:6px}
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:8px}
.quote{display:flex;gap:16px;padding:26px;align-items:flex-start}
.avatar{flex:0 0 56px;width:56px;height:56px;border-radius:18px;display:grid;place-items:center;font-weight:700;font-size:20px}
.avatar-a{background:linear-gradient(145deg,var(--c-primary),var(--c-plum));color:var(--c-text)}
.avatar-b{background:linear-gradient(145deg,var(--c-cyan),#214E4C);color:#F7F2EC}
.quote blockquote{margin:0;font-size:18px;font-weight:700;line-height:1.6}
.quote figcaption{color:var(--c-muted);margin-top:8px;font-size:14px}
.people{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}
.person{padding:20px 22px;border-radius:var(--radius-pill);background:var(--c-card);border:1px solid var(--c-line);transition:transform .2s ease,border-color .2s ease}
.person:hover{transform:translateY(-4px);border-color:rgba(126,200,195,.65)}
.person-a{flex:1 1 46%}
.person-b{flex:1 1 30%}
.person-c{flex:1 1 40%}
.person-d{flex:1 1 26%}
.person p{color:var(--c-muted);margin-top:6px;font-size:15px}
.news-list{margin-top:6px}
.news-item{display:grid;grid-template-columns:132px minmax(0,1fr);gap:16px;align-items:center;padding:18px 0;border-bottom:1px solid var(--c-line)}
.news-item time{color:var(--c-cyan);font-weight:700;font-size:14px}
.news-item a{font-weight:700;font-size:18px;color:var(--c-text)}
.news-item a:hover{color:var(--c-cyan)}
.news-item p{color:var(--c-muted);font-size:15px;margin-top:4px}
.meters{display:grid;gap:16px;margin-top:8px}
.meter{padding:16px 18px;border-radius:var(--radius-md);background:var(--c-card);border:1px solid var(--c-line)}
.meter-top{display:flex;justify-content:space-between;gap:12px;font-weight:700}
.meter-top em{font-style:normal;color:var(--c-cyan)}
.meter p{color:var(--c-muted);font-size:15px;margin:6px 0 10px}
.meter-bar{height:10px;border-radius:var(--radius-pill);background:rgba(247,242,236,.08);overflow:hidden}
.meter-fill{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--c-primary),var(--c-cyan));width:0}
.meter-fill.a{width:92%}
.meter-fill.b{width:74%}
.meter-fill.c{width:38%}
.device-list{margin-top:8px;display:grid;gap:12px}
.device-row{display:grid;grid-template-columns:108px 1fr;gap:16px;align-items:start;padding:16px 8px 16px 16px;border-left:3px solid var(--c-cyan);background:rgba(36,20,40,.65);border-radius:0 var(--radius-md) var(--radius-md) 0}
.device-row b{font-size:18px}
.device-row p{color:var(--c-muted)}
.faq{display:grid;gap:12px;margin-top:8px}
.faq-item{border-radius:var(--radius-lg);background:var(--c-card);border:1px solid var(--c-line);padding:6px 20px;box-shadow:var(--shadow)}
.faq-item[open]{border-color:rgba(126,200,195,.55)}
.faq-item summary{cursor:pointer;font-weight:700;font-size:18px;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--c-cyan);font-size:22px;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item p{color:var(--c-muted);padding:0 0 16px}
.cta-wrap{padding-top:28px;padding-bottom:28px}
.cta-band{border-radius:var(--radius-lg);padding:48px 40px;background:linear-gradient(115deg,#3A1848 0%,#8E3460 42%,var(--c-primary) 100%);box-shadow:var(--shadow)}
.cta-band .desc{color:rgba(247,242,236,.88)}
footer{background:#100610;border-top:1px solid var(--c-line);padding:42px 0 36px}
.footer-inner{display:grid;gap:16px}
.footer-nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-nav a{color:var(--c-muted);font-weight:700;text-decoration:none}
.footer-nav a:hover,.footer-nav a.active{color:var(--c-text);text-decoration:none}
.copyright{color:var(--c-muted);font-size:14px}
@media (max-width:1024px){
.hero-stack,.solution-top,.zone-grid,.scene-grid,.quote-grid{grid-template-columns:1fr 1fr}
.steps,.stat-grid{grid-template-columns:1fr 1fr}
.scene-wide{grid-row:auto;min-height:260px}
.pain-grid{grid-template-columns:1fr 1fr}
.pain-card:first-child{grid-row:auto}
.top-nav{gap:14px}
.top-nav a{font-size:14px}
}
@media (max-width:768px){
:root{--fs-h1:30px;--fs-h2:26px;--space-section:48px;--header-h:64px}
.top-nav{display:none}
.tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:50;background:rgba(16,6,16,.96);border-top:1px solid var(--c-line);padding:6px 4px calc(8px + env(safe-area-inset-bottom))}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--c-muted);text-decoration:none;font-size:10px;font-weight:700;line-height:1.25;text-align:center;padding:6px 2px 4px}
.tabbar a span{display:block;max-width:76px}
.tabbar a.active{color:var(--c-primary);box-shadow:inset 0 2px 0 var(--c-primary)}
.tabbar a:hover{color:var(--c-text);text-decoration:none}
main{padding-bottom:12px}
footer{padding-bottom:92px}
.hero-stack,.solution-top,.pain-grid,.zone-grid,.steps,.scene-grid,.stat-grid,.quote-grid,.path-row,.poster-row{grid-template-columns:1fr}
.side-a,.pain-card:nth-child(2),.pain-card:nth-child(3){margin-top:0}
.hero-main,.cta-band{padding:24px 18px}
.device-row,.news-item{grid-template-columns:1fr}
.person-a,.person-b,.person-c,.person-d{flex-basis:100%;border-radius:var(--radius-lg)}
}
@media (max-width:520px){
:root{--fs-h1:26px;--fs-body:16px}
.container{width:min(var(--container),calc(100% - 22px))}
.stat strong{font-size:34px}
.hero-actions .btn,.cta-band .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*::before,*::after{transition:none !important}
}

/* roulang page: category1 */
:root{--c-primary:#D4527A;--c-plum:#3A1848;--c-cyan:#7EC8C3;--c-bg-0:#120814;--c-bg-1:#1C1024;--c-card:#241428;--c-text:#F7F2EC;--c-muted:#CDBCC6;--c-line:rgba(212,82,122,.35);--fs-body:17px;--fs-small:14px;--fs-h1:42px;--fs-h2:30px;--fs-h3:20px;--radius-lg:28px;--radius-md:18px;--radius-pill:999px;--shadow:0 12px 28px rgba(58,24,72,.28);--space-section:84px;--container:1120px;--gap:18px;--header-h:76px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;font-size:var(--fs-body);line-height:1.75;color:var(--c-text);background:linear-gradient(155deg,var(--c-bg-0) 0%,var(--c-bg-1) 48%,#140910 100%);min-height:100vh}
img,svg{max-width:100%;display:block}
a{color:var(--c-cyan);text-decoration:none}
a:hover{color:var(--c-text);text-decoration:underline}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--c-cyan);outline-offset:3px}
[id]{scroll-margin-top:96px}
.container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
header{position:sticky;top:0;z-index:40;height:var(--header-h);background:rgba(18,8,20,.92);border-bottom:1px solid var(--c-line);backdrop-filter:blur(14px)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:block;max-width:8.6em;color:var(--c-text);font-weight:700;font-size:15px;line-height:1.35;text-decoration:none}
.logo:hover{color:var(--c-text);text-decoration:none}
.top-nav{display:flex;align-items:center;justify-content:flex-end;gap:22px;flex-wrap:wrap}
.top-nav a{position:relative;color:var(--c-muted);font-weight:700;font-size:15px;padding:8px 0;text-decoration:none}
.top-nav a:hover{color:var(--c-text);text-decoration:none}
.top-nav a:active{color:var(--c-primary)}
.top-nav a.active{color:var(--c-text)}
.top-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:3px;background:var(--c-primary)}
main{display:block}
section{padding:var(--space-section) 0;position:relative}
section + section{box-shadow:inset 0 1px 0 rgba(212,82,122,.28)}
.band-soft{background:rgba(36,20,40,.55)}
.band-deep{background:linear-gradient(180deg,rgba(58,24,72,.35),rgba(18,8,20,.2))}
h1,h2,h3{margin:0;font-weight:700;line-height:1.3}
h1{font-size:var(--fs-h1)}
h2{font-size:var(--fs-h2);margin-bottom:12px}
h3{font-size:var(--fs-h3)}
p{margin:0}
.eyebrow{margin:0 0 8px;color:var(--c-cyan);font-size:13px;font-weight:700;letter-spacing:.08em}
.lead{margin:0;color:var(--c-muted);font-size:18px}
.note{color:var(--c-muted);margin-top:8px}
.card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 22px;border-radius:var(--radius-pill);font-weight:700;text-decoration:none;border:1px solid transparent;transition:transform .15s ease,box-shadow .15s ease,filter .15s ease,background .15s ease,color .15s ease,border-color .15s ease}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(100deg,#E2688C 0%,var(--c-primary) 55%,#A33B68 100%);color:var(--c-text);box-shadow:0 8px 18px rgba(212,82,122,.28)}
.btn-primary:hover{color:var(--c-text);filter:brightness(1.08);box-shadow:0 0 0 4px rgba(126,200,195,.28)}
.btn-primary:active{filter:brightness(.96)}
.btn-ghost{background:transparent;color:var(--c-cyan);border-color:var(--c-cyan)}
.btn-ghost:hover{color:var(--c-text);border-color:var(--c-text);box-shadow:0 0 0 4px rgba(126,200,195,.22)}
.btn-ghost:active{transform:translateY(1px)}
.btn-text{background:transparent;color:var(--c-cyan);border-color:rgba(126,200,195,.45);min-height:42px}
.btn-text:hover{color:var(--c-text);border-color:var(--c-text)}
.btn-text:active{transform:translateY(1px)}
.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-pill);font-size:12px;font-weight:700;color:var(--c-text);background:linear-gradient(90deg,#E2688C,var(--c-primary) 60%,#8E3A62);letter-spacing:.03em}
.badge-cyan{color:#10201F;background:linear-gradient(90deg,#B7E6E2,var(--c-cyan))}
.head-line{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(240px,.8fr);gap:28px;align-items:end;padding:28px 32px;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.pill{display:inline-flex;align-items:center;min-height:40px;padding:8px 16px;border-radius:var(--radius-pill);border:1px solid var(--c-line);color:var(--c-text);background:#2C1832;font-weight:700;text-decoration:none}
.pill:hover{color:var(--c-text);text-decoration:none;border-color:var(--c-cyan);box-shadow:0 0 0 3px rgba(126,200,195,.2)}
.pill:active{transform:translateY(1px)}
.duo-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px}
.duo-card{display:flex;flex-direction:column;overflow:hidden;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.duo-card:hover{transform:translateY(-4px);border-color:rgba(212,82,122,.75)}
.duo-card:target{border-color:var(--c-cyan);box-shadow:0 0 0 3px rgba(126,200,195,.25)}
.thumb{position:relative;min-height:210px;border-bottom:1px solid var(--c-line)}
.t1{background:radial-gradient(circle at 30% 40%,rgba(212,82,122,.95),transparent 46%),linear-gradient(150deg,#3A1848,#120814 72%)}
.t2{background:radial-gradient(circle at 70% 35%,rgba(126,200,195,.7),transparent 40%),linear-gradient(160deg,#4A2048,#140910)}
.t3{background:radial-gradient(circle at 40% 70%,rgba(212,82,122,.75),transparent 42%),linear-gradient(200deg,#2A1238,#1C1024)}
.t4{background:radial-gradient(circle at 62% 48%,rgba(126,200,195,.55),transparent 38%),linear-gradient(145deg,#3A1848,#241428)}
.t5{background:radial-gradient(circle at 28% 60%,rgba(226,104,140,.8),transparent 44%),linear-gradient(165deg,#2C1028,#120814)}
.t6{background:radial-gradient(circle at 78% 62%,rgba(126,200,195,.6),transparent 36%),linear-gradient(190deg,#3A1848,#1A0C20)}
.thumb-play{position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);width:62px;height:62px;border-radius:50%;display:grid;place-items:center;background:rgba(18,8,20,.48);border:1px solid rgba(247,242,236,.4);color:var(--c-text)}
.thumb-meta{position:absolute;left:14px;right:14px;bottom:14px;display:flex;flex-wrap:wrap;gap:8px}
.duo-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.duo-body p{color:var(--c-muted);flex:1}
.diff-list{display:flex;flex-direction:column;gap:14px;margin-top:8px}
.diff-row{display:grid;grid-template-columns:92px minmax(0,1fr);gap:18px;align-items:center;padding:22px 24px;transition:transform .2s ease,border-color .2s ease}
.diff-row:hover{transform:translateY(-4px);border-color:rgba(212,82,122,.75)}
.diff-row p{color:var(--c-muted);margin-top:6px}
.night-band{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(240px,.75fr);gap:22px;align-items:stretch;padding:28px}
.night-copy p{color:var(--c-muted);margin-top:12px}
.night-side{display:flex;flex-direction:column;gap:10px}
.scene-line{padding:14px 16px;border-radius:var(--radius-md);background:#2A1730;border:1px solid var(--c-line);border-left:3px solid var(--c-cyan)}
.scene-line b{display:block}
.scene-line span{color:var(--c-muted);font-size:14px}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px;position:relative}
.step{padding:18px 16px 16px;border-radius:var(--radius-md);background:var(--c-card);border:1px solid var(--c-line);transition:transform .2s ease,border-color .2s ease}
.step:hover{transform:translateY(-4px);border-color:rgba(126,200,195,.7)}
.step i{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;font-style:normal;font-weight:700;color:var(--c-text);background:linear-gradient(120deg,#E2688C,var(--c-primary));margin-bottom:10px}
.step b{display:block;margin-bottom:6px}
.step span{color:var(--c-muted);font-size:14px}
.news-list{display:flex;flex-direction:column;margin-top:8px}
.news-item{display:grid;grid-template-columns:118px minmax(0,1fr);gap:16px;align-items:center;padding:18px 8px 18px 16px;border-left:3px solid var(--c-cyan);border-bottom:1px solid rgba(212,82,122,.28);color:var(--c-text);text-decoration:none}
.news-item:hover{color:var(--c-text);text-decoration:none;background:rgba(212,82,122,.08)}
.news-item:active{background:rgba(126,200,195,.08)}
.news-date{color:var(--c-cyan);font-weight:700;font-size:14px}
.news-item strong{display:block;font-size:18px}
.news-item em{font-style:normal;color:var(--c-muted);font-size:14px}
.end-row{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:32px;border-radius:var(--radius-lg);background:linear-gradient(110deg,#3A1848 0%,#7A3058 48%,#1C3A3A 100%);border:1px solid rgba(126,200,195,.35);box-shadow:var(--shadow)}
.end-row p{color:#F7F2EC;opacity:.88;margin-top:8px}
.end-actions{display:flex;flex-wrap:wrap;gap:12px}
.tab-bar{display:none}
footer{padding:42px 0 36px;border-top:1px solid var(--c-line);background:#140910}
.foot{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}
.foot-nav{display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:flex-end}
.foot-nav a{color:var(--c-muted);font-weight:700;text-decoration:none}
.foot-nav a:hover{color:var(--c-text);text-decoration:underline}
.foot-nav a:active{color:var(--c-primary)}
.copy{color:var(--c-muted);font-size:14px;margin-top:12px}
@media (max-width:1024px){
:root{--fs-h1:34px;--fs-h2:26px;--space-section:64px}
.timeline{grid-template-columns:1fr 1fr}
.head-line{grid-template-columns:1fr}
}
@media (max-width:768px){
:root{--fs-h1:26px;--fs-h2:24px;--fs-body:16px;--space-section:48px;--header-h:64px}
body{font-size:var(--fs-body)}
.top-nav{display:none}
.logo{font-size:13px}
.duo-grid,.night-band,.diff-row,.news-item,.foot{grid-template-columns:1fr;display:grid}
.foot{display:grid}
.foot-nav{justify-content:flex-start}
.timeline{grid-template-columns:1fr}
.night-band{padding:22px}
.end-row{flex-direction:column;align-items:flex-start}
main{padding-bottom:84px}
.tab-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:50;height:68px;background:rgba(18,8,20,.96);border-top:1px solid var(--c-line);justify-content:space-around;align-items:stretch}
.tab-bar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--c-muted);font-size:11px;font-weight:700;text-decoration:none;padding:6px 2px}
.tab-bar a svg{width:22px;height:22px}
.tab-bar a:hover{color:var(--c-text);text-decoration:none}
.tab-bar a:active{color:var(--c-primary)}
.tab-bar a.active{color:var(--c-text);box-shadow:inset 0 3px 0 var(--c-primary)}
}
@media (max-width:520px){
:root{--space-section:40px}
.container{width:min(var(--container),calc(100% - 24px))}
.head-line,.duo-body,.diff-row,.end-row{padding-left:16px;padding-right:16px}
.thumb{min-height:180px}
.end-actions,.end-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{--c-primary:#D4527A;--c-plum:#3A1848;--c-cyan:#7EC8C3;--c-bg-0:#120814;--c-bg-1:#1C1024;--c-card:#241428;--c-text:#F7F2EC;--c-muted:#CDBCC6;--c-line:rgba(212,82,122,.35);--fs-body:17px;--fs-small:14px;--fs-h1:42px;--fs-h2:30px;--fs-h3:20px;--radius-lg:28px;--radius-md:18px;--radius-pill:999px;--shadow:0 12px 28px rgba(58,24,72,.28);--space-section:84px;--container:1120px;--gap:18px;--header-h:76px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;font-size:var(--fs-body);line-height:1.75;color:var(--c-text);background:linear-gradient(155deg,var(--c-bg-0) 0%,var(--c-bg-1) 48%,#140910 100%);min-height:100vh}
img,svg{max-width:100%;display:block}
a{color:var(--c-cyan);text-decoration:none}
a:hover{color:var(--c-text);text-decoration:underline}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,p,ul,blockquote{margin:0}
ul{padding:0;list-style:none}
h1{font-size:var(--fs-h1);line-height:1.28;font-weight:700;letter-spacing:.01em}
h2{font-size:var(--fs-h2);line-height:1.32;font-weight:700}
h3{font-size:var(--fs-h3);line-height:1.45;font-weight:700}
:focus{outline:none}
a:focus-visible,button:focus-visible{outline:2px solid var(--c-cyan);outline-offset:3px}
.container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
header{position:sticky;top:0;z-index:40;height:var(--header-h);background:rgba(18,8,20,.92);border-bottom:1px solid var(--c-line);backdrop-filter:blur(14px)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:block;max-width:9.2em;color:var(--c-text);font-weight:700;font-size:15px;line-height:1.35;text-decoration:none}
.logo:hover{color:var(--c-text);text-decoration:none}
.top-nav{display:flex;align-items:center;justify-content:flex-end;gap:22px;flex-wrap:wrap}
.top-nav a{position:relative;color:var(--c-muted);font-weight:700;font-size:15px;padding:8px 0;text-decoration:none}
.top-nav a:hover{color:var(--c-text);text-decoration:none}
.top-nav a.active{color:var(--c-text)}
.top-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:3px;background:var(--c-primary)}
main{display:block}
section{padding:var(--space-section) 0;position:relative}
section+section{box-shadow:inset 0 1px 0 rgba(212,82,122,.28)}
.card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-lg);box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-pill);font-size:12px;font-weight:700;color:var(--c-text);background:linear-gradient(90deg,#E2688C,var(--c-primary) 60%,#8E3A62);letter-spacing:.03em}
.badge-cyan{color:#10201F;background:linear-gradient(90deg,#B7E6E2,var(--c-cyan))}
.badge-line{color:var(--c-text);background:transparent;border:1px solid rgba(126,200,195,.55)}
.badge-row{display:flex;flex-wrap:wrap;gap:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 22px;border-radius:var(--radius-pill);font-weight:700;text-decoration:none;border:1px solid transparent;transition:transform .15s ease,box-shadow .15s ease,filter .15s ease,background .15s ease,color .15s ease,border-color .15s ease}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(100deg,#E2688C 0%,var(--c-primary) 55%,#A33B68 100%);color:var(--c-text);box-shadow:0 8px 18px rgba(212,82,122,.28)}
.btn-primary:hover{color:var(--c-text);filter:brightness(1.08);box-shadow:0 0 0 4px rgba(126,200,195,.28)}
.btn-primary:focus-visible{box-shadow:0 0 0 4px rgba(126,200,195,.28)}
.zone-banner{padding-top:56px;padding-bottom:48px}
.banner-sheet{padding:36px 40px 32px;background:linear-gradient(145deg,rgba(58,24,72,.72),rgba(36,20,40,.92) 42%,rgba(18,8,20,.4));border:1px solid var(--c-line);border-radius:var(--radius-lg);box-shadow:var(--shadow);position:relative;overflow:hidden}
.banner-sheet::after{content:"";position:absolute;right:-40px;top:-50px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(212,82,122,.45),transparent 68%);pointer-events:none}
.brand-line{position:relative;z-index:1;margin-bottom:12px;color:var(--c-cyan);font-size:14px;font-weight:700;letter-spacing:.04em}
.zone-banner h1,.zone-banner .lead,.banner-marks{position:relative;z-index:1}
.lead{margin-top:14px;max-width:40em;color:var(--c-muted);font-size:18px}
.banner-marks{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.define-band{background:rgba(28,16,36,.72)}
.define-inner{max-width:760px;padding:28px 32px;border-left:4px solid var(--c-cyan);border-radius:0 var(--radius-md) var(--radius-md) 0;background:rgba(36,20,40,.88);border-top:1px solid var(--c-line);border-right:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.define-inner .eyebrow{color:var(--c-primary);font-size:13px;font-weight:700;letter-spacing:.08em}
.define-inner h2{margin-top:6px}
.define-inner p{margin-top:12px;color:var(--c-muted)}
.mag-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-end;margin-bottom:22px}
.mag-head p{max-width:28em;color:var(--c-muted);font-size:15px}
.mag-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.86fr);gap:16px;align-items:stretch}
.mag-feature{display:flex;flex-direction:column;min-height:100%}
.mag-feature a{display:flex;flex-direction:column;height:100%;color:var(--c-text);text-decoration:none}
.mag-feature a:hover{color:var(--c-text);text-decoration:none}
.mag-feature:hover{transform:translateY(-4px);border-color:rgba(212,82,122,.75)}
.stage{position:relative;min-height:300px;background:radial-gradient(circle at 18% 28%,rgba(247,242,236,.9) 0 5px,transparent 6px),radial-gradient(circle at 72% 36%,rgba(212,82,122,.9),transparent 42%),radial-gradient(circle at 38% 78%,rgba(126,200,195,.42),transparent 34%),linear-gradient(160deg,#4A2158 0%,#120814 74%);border-bottom:1px solid var(--c-line)}
.stage::before{content:"";position:absolute;left:8%;right:8%;top:16%;height:48%;border:1px solid rgba(247,242,236,.28);border-radius:16px;box-shadow:inset 0 0 0 8px rgba(18,8,20,.18)}
.stage-play{position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);width:68px;height:68px;border-radius:50%;display:grid;place-items:center;background:rgba(18,8,20,.48);border:1px solid rgba(247,242,236,.4);color:var(--c-text)}
.stage-play svg{width:26px;height:26px;margin-left:3px}
.mag-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.mag-body p,.mini-copy p{color:var(--c-muted);font-size:15px}
.go{margin-top:auto;color:var(--c-cyan);font-weight:700;font-size:15px}
.mag-feature a:hover .go,.mag-mini:hover .go{color:var(--c-text);text-decoration:underline}
.mag-side{display:grid;gap:12px}
.mag-mini{display:grid;grid-template-columns:108px minmax(0,1fr);gap:12px;align-items:center;padding:12px;color:var(--c-text);text-decoration:none;border-radius:var(--radius-md)}
.mag-mini:hover{color:var(--c-text);text-decoration:none;transform:translateY(-4px);border-color:rgba(126,200,195,.7)}
.thumb{position:relative;min-height:92px;border-radius:14px;background:radial-gradient(circle at 30% 30%,rgba(126,200,195,.7),transparent 42%),radial-gradient(circle at 70% 70%,rgba(212,82,122,.8),transparent 46%),linear-gradient(145deg,#3A1848,#120814);border:1px solid rgba(212,82,122,.35)}
.thumb::after{content:"";position:absolute;left:50%;top:50%;width:28px;height:28px;transform:translate(-42%,-50%);background:rgba(247,242,236,.88);clip-path:polygon(0 0,100% 50%,0 100%)}
.mini-copy{display:flex;flex-direction:column;gap:6px;min-width:0}
.mini-copy h3{font-size:16px}
.time{color:var(--c-cyan);font-size:12px;font-weight:700}
.state-section{background:linear-gradient(180deg,rgba(58,24,72,.28),rgba(18,8,20,0) 78%)}
.section-note{margin-top:8px;color:var(--c-muted);max-width:40em}
.state-row{margin-top:22px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.state{padding:22px 20px 20px;border-radius:var(--radius-md);background:var(--c-card);border:1px solid var(--c-line);min-height:180px}
.state b{display:inline-flex;align-items:center;justify-content:center;min-width:48px;height:36px;padding:0 12px;border-radius:var(--radius-pill);font-size:18px}
.state p{margin-top:14px;color:var(--c-muted)}
.state-bad{background:linear-gradient(180deg,#2A1224,#241428)}
.state-bad b{background:#5A2438;color:#F7C9D4}
.state-mid b{background:#3A1848;color:var(--c-text);border:1px solid var(--c-line)}
.state-ok{background:linear-gradient(180deg,#1A2A2C,#241428);border-color:rgba(126,200,195,.45)}
.state-ok b{background:linear-gradient(90deg,#B7E6E2,var(--c-cyan));color:#10201F}
.phone-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(240px,.7fr);gap:28px;align-items:center}
.phone-copy p{margin-top:12px;color:var(--c-muted);max-width:36em}
.phone-points{margin-top:18px}
.phone-points li{position:relative;padding:8px 0 8px 16px;color:var(--c-muted);border-top:1px solid rgba(212,82,122,.22)}
.phone-points li::before{content:"";position:absolute;left:0;top:18px;width:8px;height:2px;background:var(--c-cyan)}
.phone{width:min(260px,100%);margin-left:auto;padding:12px;border-radius:36px;background:linear-gradient(180deg,#4A234C,#1A0C16);border:1px solid rgba(247,242,236,.2);box-shadow:var(--shadow)}
.phone-screen{border-radius:26px;overflow:hidden;background:#120814;min-height:420px;display:flex;flex-direction:column;border:1px solid rgba(212,82,122,.35)}
.phone-sky{flex:1;background:radial-gradient(circle at 70% 20%,rgba(247,242,236,.75) 0 4px,transparent 5px),linear-gradient(180deg,#2A1438,#120814 70%)}
.phone-video{margin-top:auto;min-height:168px;padding:14px;display:flex;flex-direction:column;justify-content:space-between;background:radial-gradient(circle at 30% 40%,rgba(212,82,122,.85),transparent 46%),radial-gradient(circle at 80% 70%,rgba(126,200,195,.45),transparent 40%),linear-gradient(160deg,#5A2858,#140910)}
.phone-caption{display:flex;justify-content:space-between;gap:8px;color:var(--c-text);font-size:13px;font-weight:700}
.quote-list{display:grid;gap:16px;margin-top:8px}
.quote{display:grid;grid-template-columns:72px minmax(0,1fr);gap:18px;align-items:center;padding:26px 28px}
.quote:hover{transform:translateY(-4px);border-color:rgba(212,82,122,.72)}
.avatar{width:72px;height:72px;border-radius:22px;background:linear-gradient(145deg,#E2688C,#3A1848)}
.avatar-b{background:linear-gradient(145deg,#7EC8C3,#3A1848)}
.quote p{font-size:18px}
.quote cite{display:block;margin-top:8px;font-style:normal;color:var(--c-muted);font-size:14px}
.more-section{padding-top:36px}
.more-inner{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:28px 32px;border-radius:var(--radius-lg);background:linear-gradient(110deg,#3A1848 0%,#D4527A 58%,#7EC8C3 140%);border:1px solid rgba(247,242,236,.18);box-shadow:var(--shadow)}
.more-inner p{margin-top:6px;color:rgba(247,242,236,.88)}
footer{padding:42px 0 48px;border-top:1px solid var(--c-line);background:#140910}
.footer-inner{display:grid;grid-template-columns:minmax(0,1.1fr) auto;gap:18px 28px;align-items:start}
.footer-logo{max-width:12em;font-size:16px}
.footer-nav{display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:flex-end}
.footer-nav a{position:relative;color:var(--c-muted);font-weight:700;text-decoration:none;padding:6px 0}
.footer-nav a:hover{color:var(--c-text);text-decoration:none}
.footer-nav a.active{color:var(--c-text)}
.footer-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;background:var(--c-primary)}
.copy{grid-column:1 / -1;margin:0;color:var(--c-muted);font-size:14px}
.tab-bar{display:none}
@media (max-width:1024px){
:root{--fs-h1:34px;--fs-h2:26px;--space-section:64px}
.top-nav{gap:14px}
.banner-sheet{padding:28px 24px}
.phone{margin:0 auto}
}
@media (max-width:768px){
:root{--fs-h1:28px;--fs-h2:24px;--fs-body:16px;--space-section:48px;--header-h:64px}
.top-nav{display:none}
.mag-head,.more-inner,.footer-inner,.phone-layout{grid-template-columns:1fr;display:grid}
.mag-grid,.state-row{grid-template-columns:1fr}
.mag-head,.more-inner{display:flex;flex-direction:column;align-items:flex-start}
.footer-nav{justify-content:flex-start}
main{padding-bottom:20px}
footer{padding-bottom:96px}
.tab-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:fixed;left:0;right:0;bottom:0;z-index:50;background:rgba(18,8,20,.96);border-top:1px solid var(--c-line);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
.tab-bar a{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:52px;padding:6px 2px 4px;color:var(--c-muted);font-size:11px;font-weight:700;line-height:1.25;text-align:center;text-decoration:none}
.tab-bar a svg{width:20px;height:20px}
.tab-bar a:hover{color:var(--c-text);text-decoration:none}
.tab-bar a.active{color:var(--c-text)}
.tab-bar a.active::before{content:"";position:absolute;top:0;left:18%;right:18%;height:3px;border-radius:3px;background:var(--c-primary)}
.quote{grid-template-columns:56px minmax(0,1fr);padding:18px}
.avatar{width:56px;height:56px;border-radius:16px}
}
@media (max-width:520px){
.container{width:min(var(--container),calc(100% - 20px))}
.lead{font-size:16px}
.mag-mini{grid-template-columns:1fr}
.thumb{min-height:120px}
.stage{min-height:210px}
.banner-sheet,.define-inner,.more-inner{padding:20px 16px}
.tab-bar a{font-size:10px}
}