/* roulang page: index */
:root{
  --flare:#f2b53c;
  --flare-deep:#d98a1c;
  --deep:#0d0f14;
  --shell:#161a21;
  --paper:#f6f3ec;
  --text-1:#eae7e0;
  --text-2:#98a0ad;
  --line:rgba(255,255,255,.1);
  --rad:16px;
  --shade:0 18px 44px rgba(0,0,0,.42);
  --gap:clamp(18px,3vw,34px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px}
body{
  margin:0;
  background:var(--deep);
  color:var(--text-1);
  font:400 16px/1.75 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--flare);outline-offset:3px;border-radius:6px}

.bymrba-wrap{width:min(1180px,calc(100% - 40px));margin-inline:auto}

/* 顶栏 */
.bymrba-top{
  position:sticky;top:0;z-index:60;
  background:rgba(13,15,20,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.bymrba-top__in{display:flex;align-items:center;gap:14px;min-height:72px}
.bymrba-logo{display:flex;align-items:center;gap:10px;flex:none;font-weight:700;letter-spacing:-.01em}
.bymrba-logo__mark{
  width:36px;height:36px;border-radius:11px;flex:none;
  background:linear-gradient(140deg,var(--flare),var(--flare-deep));
  color:#1a1300;display:grid;place-items:center;font-size:18px;font-weight:800;
}
.bymrba-logo__txt{font-size:17px}
.bymrba-nav{
  display:flex;align-items:center;gap:2px;margin-left:auto;
  overflow-x:auto;scrollbar-width:none;
}
.bymrba-nav::-webkit-scrollbar{display:none}
.bymrba-nav a{
  display:inline-flex;align-items:center;height:44px;padding:0 13px;
  color:var(--text-2);font-size:15px;white-space:nowrap;border-radius:10px;
  transition:color .22s ease,background .22s ease;
}
.bymrba-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
.bymrba-top__cta{
  flex:none;display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 20px;border-radius:999px;
  background:var(--flare);color:#1a1300;font-weight:700;font-size:15px;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease;
}
.bymrba-top__cta:hover{background:#ffc85a;transform:translateY(-1px);box-shadow:0 10px 24px rgba(242,181,60,.28)}

/* 首屏 */
.bymrba-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.bymrba-hero__bg{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;opacity:.34;filter:saturate(.85);
}
.bymrba-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(720px 380px at 12% 8%,rgba(242,181,60,.2),transparent 68%),
    linear-gradient(180deg,rgba(13,15,20,.5) 0%,rgba(13,15,20,.9) 62%,var(--deep) 100%);
}
.bymrba-hero__in{
  position:relative;z-index:2;
  padding:clamp(58px,8vw,104px) 0 clamp(48px,6vw,78px);
  display:grid;gap:22px;max-width:840px;
}
.bymrba-eyebrow{
  display:inline-flex;align-items:center;gap:8px;width:max-content;
  padding:7px 16px;border-radius:999px;font-size:13.5px;letter-spacing:.06em;
  color:var(--flare);background:rgba(242,181,60,.1);border:1px solid rgba(242,181,60,.3);
}
.bymrba-hero__h1{font-size:clamp(30px,5.4vw,58px);letter-spacing:-.035em;font-weight:800}
.bymrba-hero__h1 em{
  font-style:normal;color:var(--flare);
  box-shadow:inset 0 -.16em 0 rgba(242,181,60,.24);
}
.bymrba-hero__sub{font-size:clamp(16px,2.1vw,20px);color:#c8cbd2;max-width:620px}
.bymrba-hero__lead{color:var(--text-2);font-size:15.5px;line-height:1.95;max-width:700px}
.bymrba-seat{
  margin-top:8px;display:flex;flex-wrap:wrap;align-items:center;gap:16px 22px;
  padding:18px 22px;border:1px solid var(--line);border-radius:var(--rad);
  background:rgba(255,255,255,.035);
}
.bymrba-seat__tip{
  font-size:14.5px;color:#cdd1d8;display:inline-flex;align-items:center;gap:9px;
}
.bymrba-seat__tip::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--flare);flex:none;
  box-shadow:0 0 0 4px rgba(242,181,60,.16);
}
.bymrba-seat__btns{display:flex;flex-wrap:wrap;gap:12px;margin-left:auto}
.bymrba-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:0 26px;border-radius:999px;
  font-weight:700;font-size:15px;
  transition:transform .22s ease,background .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.bymrba-btn--main{background:var(--flare);color:#1a1300;box-shadow:0 14px 30px rgba(242,181,60,.22)}
.bymrba-btn--main:hover{background:#ffc85a;transform:translateY(-2px);box-shadow:0 18px 36px rgba(242,181,60,.32)}
.bymrba-btn--ghost{border:1px solid rgba(255,255,255,.22);color:var(--text-1)}
.bymrba-btn--ghost:hover{border-color:var(--flare);color:var(--flare);transform:translateY(-2px)}

/* 板块通用 */
.bymrba-sec{padding:clamp(52px,6.6vw,92px) 0;border-bottom:1px solid var(--line)}
.bymrba-sec--alt{background:linear-gradient(180deg,rgba(255,255,255,.022),rgba(255,255,255,0))}
.bymrba-head{display:grid;gap:12px;max-width:760px;margin-bottom:clamp(26px,3.4vw,42px)}
.bymrba-head h2{font-size:clamp(23px,3.2vw,34px)}
.bymrba-head p{color:var(--text-2);font-size:15.5px;line-height:1.9}
.bymrba-head__kicker{
  font-size:13px;letter-spacing:.18em;color:var(--flare);text-transform:uppercase;
}

/* 痛点 */
.bymrba-pains{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}
.bymrba-pains li{
  display:flex;gap:16px;padding:22px 22px 20px;
  background:var(--shell);border:1px solid var(--line);border-radius:var(--rad);
  transition:border-color .25s ease,transform .25s ease;
}
.bymrba-pains li:hover{border-color:rgba(242,181,60,.42);transform:translateY(-3px)}
.bymrba-pains__no{
  font-size:22px;font-weight:800;color:rgba(242,181,60,.72);
  line-height:1.1;flex:none;font-variant-numeric:tabular-nums;
}
.bymrba-pains h3{font-size:16.5px;margin-bottom:8px}
.bymrba-pains p{color:var(--text-2);font-size:14.8px;line-height:1.8}
.bymrba-more{
  display:inline-flex;align-items:center;gap:8px;margin-top:26px;
  color:var(--flare);font-size:15px;font-weight:600;min-height:44px;
}
.bymrba-more::after{content:"→";transition:transform .22s ease}
.bymrba-more:hover::after{transform:translateX(5px)}

/* 卡片与图 */
.bymrba-rail{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(186px,1fr);
  gap:16px;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x mandatory;
}
.bymrba-rail::-webkit-scrollbar{height:6px}
.bymrba-rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:3px}
.bymrba-rail > li{scroll-snap-align:start}
.bymrba-grid{display:grid;gap:18px;grid-template-columns:repeat(3,minmax(0,1fr))}
.bymrba-card{
  background:var(--shell);border:1px solid var(--line);border-radius:var(--rad);
  overflow:hidden;transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
  display:flex;flex-direction:column;
}
.bymrba-card:hover{transform:translateY(-5px);border-color:rgba(242,181,60,.48);box-shadow:var(--shade)}
.bymrba-thumb{position:relative;margin:0;aspect-ratio:3/4;overflow:hidden;background:#0a0c10}
.bymrba-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.bymrba-card:hover .bymrba-thumb img{transform:scale(1.055)}
.bymrba-badge{
  position:absolute;top:10px;left:10px;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:rgba(13,15,20,.78);color:var(--flare);border:1px solid rgba(242,181,60,.4);
  backdrop-filter:blur(6px);
}
.bymrba-card__body{padding:14px 16px 18px;display:grid;gap:6px}
.bymrba-card__name{font-size:16px;line-height:1.45}
.bymrba-card__meta{font-size:13.5px;color:var(--text-2)}
.bymrba-card__meta b{color:var(--flare);font-weight:600}

/* 类型入口 */
.bymrba-cats{display:grid;gap:14px;grid-template-columns:repeat(3,minmax(0,1fr))}
.bymrba-cats li{
  padding:22px;border-radius:var(--rad);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(242,181,60,.09),rgba(255,255,255,.015));
  transition:transform .25s ease,border-color .25s ease;
}
.bymrba-cats li:hover{transform:translateY(-3px);border-color:rgba(242,181,60,.4)}
.bymrba-cats b{display:block;font-size:16.5px;margin-bottom:8px}
.bymrba-cats span{color:var(--text-2);font-size:14.5px;line-height:1.8}

/* 专题 */
.bymrba-topics{display:grid;gap:18px;grid-template-columns:repeat(3,minmax(0,1fr))}
.bymrba-topic{
  position:relative;overflow:hidden;border-radius:var(--rad);
  border:1px solid var(--line);min-height:250px;
  display:flex;align-items:flex-end;
  transition:transform .28s ease,box-shadow .28s ease;
}
.bymrba-topic:hover{transform:translateY(-4px);box-shadow:var(--shade)}
.bymrba-topic img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.45}
.bymrba-topic::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,15,20,.15),rgba(13,15,20,.92));
}
.bymrba-topic__body{position:relative;z-index:2;padding:22px;display:grid;gap:8px}
.bymrba-topic__tag{
  width:max-content;font-size:12px;letter-spacing:.1em;color:var(--flare);
  border:1px solid rgba(242,181,60,.4);border-radius:999px;padding:2px 10px;
}
.bymrba-topic h3{font-size:18px}
.bymrba-topic p{font-size:14.2px;color:#c2c7d0;line-height:1.75}
.bymrba-topic__count{font-size:13px;color:var(--text-2)}

/* 口碑排位 */
.bymrba-rank{display:grid;gap:10px;grid-template-columns:repeat(2,minmax(0,1fr))}
.bymrba-rank li{
  display:flex;align-items:center;gap:16px;padding:14px 18px;
  background:var(--shell);border:1px solid var(--line);border-radius:14px;
  transition:border-color .22s ease,background .22s ease;
}
.bymrba-rank li:hover{border-color:rgba(242,181,60,.4);background:#1b2029}
.bymrba-rank__idx{
  font-size:19px;font-weight:800;color:rgba(255,255,255,.34);
  font-variant-numeric:tabular-nums;min-width:30px;flex:none;
}
.bymrba-rank li:nth-child(-n+3) .bymrba-rank__idx{color:var(--flare)}
.bymrba-rank__info{display:grid;gap:3px;min-width:0}
.bymrba-rank__info b{font-size:15.5px;font-weight:600}
.bymrba-rank__info span{font-size:13.4px;color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bymrba-rank__tag{
  margin-left:auto;flex:none;font-size:12px;color:#cdd1d8;
  border:1px solid var(--line);border-radius:999px;padding:2px 10px;
}

/* 资讯 */
.bymrba-news{display:grid;gap:14px}
.bymrba-news li{
  display:grid;grid-template-columns:118px minmax(0,1fr);gap:18px;align-items:center;
  padding:12px;border:1px solid var(--line);border-radius:14px;background:var(--shell);
  transition:border-color .22s ease,transform .22s ease;
}
.bymrba-news li:hover{border-color:rgba(242,181,60,.42);transform:translateX(4px)}
.bymrba-news img{width:118px;height:78px;object-fit:cover;border-radius:10px}
.bymrba-news h3{font-size:16px;line-height:1.5}
.bymrba-news time{display:block;margin-top:6px;font-size:13px;color:var(--text-2)}

/* 追剧 */
.bymrba-watch{display:grid;gap:22px;grid-template-columns:repeat(2,minmax(0,1fr))}
.bymrba-watch__col{
  padding:24px;border:1px solid var(--line);border-radius:var(--rad);background:var(--shell);
}
.bymrba-watch__col h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.bymrba-watch__col h3::before{
  content:"";width:6px;height:18px;border-radius:3px;background:var(--flare);
}
.bymrba-watch__col li + li{margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.bymrba-item__row{display:flex;align-items:baseline;gap:10px}
.bymrba-item__row b{font-size:15.5px;font-weight:600}
.bymrba-item__row span{margin-left:auto;font-size:13px;color:var(--text-2);flex:none}
.bymrba-item__note{margin-top:4px;font-size:13.6px;color:var(--text-2);line-height:1.7}
.bymrba-bar{height:4px;border-radius:3px;background:rgba(255,255,255,.12);overflow:hidden;margin-top:10px}
.bymrba-bar i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,var(--flare),var(--flare-deep))}

/* 四段工序 */
.bymrba-abil{display:grid;gap:16px;grid-template-columns:repeat(4,minmax(0,1fr))}
.bymrba-abil li{
  padding:24px 20px;border-radius:var(--rad);border:1px solid var(--line);
  background:rgba(255,255,255,.022);
  transition:border-color .25s ease,background .25s ease,transform .25s ease;
}
.bymrba-abil li:hover{border-color:rgba(242,181,60,.42);background:rgba(242,181,60,.06);transform:translateY(-4px)}
.bymrba-abil b{display:block;font-size:16px;margin-bottom:10px}
.bymrba-abil p{font-size:14.4px;color:var(--text-2);line-height:1.85}

/* 三步 */
.bymrba-steps{display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr));counter-reset:step}
.bymrba-steps li{
  position:relative;padding:28px 22px 24px;border:1px solid var(--line);border-radius:var(--rad);
  background:linear-gradient(170deg,rgba(242,181,60,.08),rgba(255,255,255,.012));
}
.bymrba-steps li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  display:block;font-size:13px;letter-spacing:.16em;color:var(--flare);margin-bottom:12px;
}
.bymrba-steps h3{font-size:16.5px;margin-bottom:8px}
.bymrba-steps p{font-size:14.4px;color:var(--text-2);line-height:1.85}

/* 合创 */
.bymrba-team{
  display:grid;gap:26px;grid-template-columns:1.05fr .95fr;align-items:center;
  padding:clamp(24px,3.4vw,40px);border:1px solid rgba(242,181,60,.28);border-radius:22px;
  background:linear-gradient(150deg,rgba(242,181,60,.1),rgba(255,255,255,.015) 62%);
}
.bymrba-team__list{display:grid;gap:14px}
.bymrba-team__list li{display:flex;gap:14px;align-items:flex-start}
.bymrba-team__dot{
  width:34px;height:34px;border-radius:50%;flex:none;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:#1a1300;background:var(--flare);
}
.bymrba-team__list b{display:block;font-size:15.5px;margin-bottom:4px}
.bymrba-team__list span{font-size:14.2px;color:var(--text-2);line-height:1.75}
.bymrba-team__act{display:grid;gap:14px;justify-items:start}
.bymrba-team__act p{font-size:14.5px;color:#c8ccd4;line-height:1.85}
.bymrba-team__act .bymrba-seat__btns{margin-left:0}

/* 口碑 */
.bymrba-voices{display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr))}
.bymrba-voices blockquote{
  margin:0;padding:24px;border:1px solid var(--line);border-radius:var(--rad);
  background:var(--shell);display:grid;gap:14px;
}
.bymrba-voices p{font-size:15px;line-height:1.9;color:#dbdee4}
.bymrba-voices cite{
  font-style:normal;font-size:13.4px;color:var(--text-2);
  display:flex;align-items:center;gap:8px;
}
.bymrba-voices cite b{color:var(--flare);font-weight:600}

/* 问答 */
.bymrba-faq{display:grid;gap:12px;max-width:920px}
.bymrba-faq details{
  border:1px solid var(--line);border-radius:14px;background:var(--shell);
  padding:0 20px;transition:border-color .25s ease;
}
.bymrba-faq details[open]{border-color:rgba(242,181,60,.45)}
.bymrba-faq summary{
  cursor:pointer;list-style:none;min-height:52px;padding:14px 0;
  display:flex;align-items:center;gap:14px;font-size:16px;font-weight:600;
}
.bymrba-faq summary::-webkit-details-marker{display:none}
.bymrba-faq summary::after{content:"+";margin-left:auto;color:var(--flare);font-size:20px;line-height:1}
.bymrba-faq details[open] summary::after{content:"−"}
.bymrba-faq details p{padding:0 0 20px;color:var(--text-2);font-size:14.8px;line-height:1.9}

/* 收口 */
.bymrba-final{padding:clamp(58px,7vw,100px) 0;text-align:center;border-bottom:0}
.bymrba-final h2{font-size:clamp(24px,3.6vw,38px);max-width:760px;margin-inline:auto}
.bymrba-final p{color:var(--text-2);font-size:15.5px;line-height:1.9;max-width:640px;margin:16px auto 0}
.bymrba-final .bymrba-seat__btns{justify-content:center;margin:28px 0 0}

/* 页脚 */
.bymrba-foot{border-top:1px solid var(--line);background:#0a0c10;padding:clamp(40px,5vw,66px) 0 26px}
.bymrba-foot__cols{display:grid;gap:28px;grid-template-columns:1.4fr repeat(3,minmax(0,1fr))}
.bymrba-foot__brand{display:grid;gap:12px;align-content:start}
.bymrba-foot__brand p{color:var(--text-2);font-size:14.2px;line-height:1.9;max-width:320px}
.bymrba-foot__col h3{font-size:14px;color:#d7dae0;margin-bottom:14px;letter-spacing:.04em}
.bymrba-foot__col li + li{margin-top:8px}
.bymrba-foot__col a{color:var(--text-2);font-size:14px;display:inline-flex;align-items:center;min-height:32px;transition:color .2s ease}
.bymrba-foot__col a:hover{color:var(--flare)}
.bymrba-foot__bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  color:var(--text-2);font-size:13.2px;
}

/* 响应式 */
@media (max-width:1024px){
  .bymrba-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
  .bymrba-abil{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bymrba-topics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bymrba-team{grid-template-columns:1fr}
  .bymrba-voices{grid-template-columns:1fr}
  .bymrba-foot__cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .bymrba-top__in{flex-wrap:wrap;min-height:auto;padding:10px 0 0;gap:8px}
  .bymrba-nav{order:3;width:100%;margin:0 0 8px;padding-bottom:2px;border-top:1px solid var(--line)}
  .bymrba-top__cta{margin-left:auto}
  .bymrba-pains{grid-template-columns:1fr}
  .bymrba-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bymrba-cats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bymrba-topics{grid-template-columns:1fr}
  .bymrba-rank{grid-template-columns:1fr}
  .bymrba-watch{grid-template-columns:1fr}
  .bymrba-steps{grid-template-columns:1fr}
  .bymrba-seat__btns{margin-left:0;width:100%}
  .bymrba-seat__btns .bymrba-btn{flex:1 1 auto}
}
@media (max-width:520px){
  .bymrba-wrap{width:calc(100% - 28px)}
  body{font-size:15px}
  .bymrba-logo__txt{font-size:15px}
  .bymrba-grid{grid-template-columns:1fr}
  .bymrba-cats{grid-template-columns:1fr}
  .bymrba-abil{grid-template-columns:1fr}
  .bymrba-news li{grid-template-columns:96px minmax(0,1fr);gap:12px}
  .bymrba-news img{width:96px;height:68px}
  .bymrba-rail{grid-auto-columns:minmax(158px,1fr)}
  .bymrba-foot__cols{grid-template-columns:1fr}
  .bymrba-hero__lead{font-size:14.6px}
}