/* roulang page: index */
:root{
  --blue:#2F7C9E;
  --blue-d:#235F7A;
  --orange:#E98A5A;
  --gold:#C99A4B;
  --silver:#AEB9C4;
  --bronze:#B8754A;
  --bg:#F4F8FB;
  --card:#FFFFFF;
  --line:#DCE8EF;
  --text:#1F2A32;
  --muted:#66788A;
  --r:16px;
  --sh:0 10px 30px rgba(31,79,105,.08);
  --sh-h:0 16px 38px rgba(31,79,105,.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(47,124,158,.45);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.sec{padding:78px 0}
.sec.alt{background:#fff}
.sec-head{max-width:740px;margin-bottom:32px}
.sec-head h2{font-size:1.75rem;font-weight:700;line-height:1.3;letter-spacing:.2px}
.sec-head h2 .hl{color:var(--blue-d);border-bottom:3px solid var(--orange);padding-bottom:2px}
.sec-head p{margin-top:10px;color:var(--muted);font-size:14.5px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;border-radius:10px;font-weight:600;font-size:15px;transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap}
.btn-main{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(47,124,158,.28)}
.btn-main:hover{background:var(--blue-d);transform:translateY(-2px);box-shadow:0 12px 26px rgba(47,124,158,.34)}
.btn-ghost{background:#E8F2F7;color:var(--blue-d)}
.btn-ghost:hover{background:#D8E9F2;transform:translateY(-2px)}
/* 头部 */
.site-head{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(31,79,105,.05)}
.brand-row{display:flex;align-items:center;gap:26px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.02rem;color:var(--blue-d);white-space:nowrap}
.logo{width:38px;height:38px;flex:0 0 38px;border-radius:11px;background:linear-gradient(140deg,var(--blue),var(--blue-d));color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800;box-shadow:0 6px 14px rgba(47,124,158,.3)}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:auto;font-size:14.5px;color:var(--muted)}
.main-nav a{padding:8px 0;transition:color .2s}
.main-nav a:hover{color:var(--blue)}
.head-cta{margin-left:8px;min-height:40px;padding:0 16px;font-size:14px}
.menu-btn{display:none;margin-left:auto;width:44px;height:44px;border-radius:10px;background:#E8F2F7;color:var(--blue-d);align-items:center;justify-content:center}
.cat-bar{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;padding:10px 0 14px;border-top:1px dashed var(--line)}
.cat-bar a{display:flex;align-items:center;justify-content:center;gap:7px;min-height:44px;border-radius:10px;background:#EDF4F8;color:var(--blue-d);font-size:13.5px;font-weight:600;transition:background .2s,transform .2s}
.cat-bar a:hover{background:#DEEDF5;transform:translateY(-2px)}
.cat-bar svg{width:17px;height:17px}
/* 首屏 */
.hero{padding:56px 0 70px;background:linear-gradient(180deg,#EEF6FA 0%,var(--bg) 100%)}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(2.2rem,3.6vw,3.2rem);font-weight:800;line-height:1.15;letter-spacing:-.5px}
.hero h1 mark{background:linear-gradient(180deg,transparent 62%,rgba(233,138,90,.35) 62%);color:inherit;padding:0 2px}
.hero-sub{margin-top:16px;font-size:1.06rem;font-weight:600;color:var(--blue-d)}
.hero-txt{margin-top:14px;font-size:15px;color:var(--muted);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-collage{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.collage-main{grid-column:1/-1;position:relative;border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);background:#dce8ef;aspect-ratio:16/9}
.collage-main img,.collage-sub img{width:100%;height:100%;object-fit:cover}
.collage-main figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;background:linear-gradient(180deg,transparent,rgba(16,42,55,.82));color:#fff;font-size:13.5px;font-weight:600;display:flex;align-items:center;gap:8px}
.collage-sub{position:relative;border-radius:14px;overflow:hidden;box-shadow:var(--sh);aspect-ratio:9/10;background:#dce8ef}
.medal-chip{position:absolute;top:10px;left:10px;display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;font-size:11.5px;font-weight:700;color:#fff;background:linear-gradient(140deg,#dcb066,#c99a4b);box-shadow:0 4px 10px rgba(201,154,75,.35)}
.medal-chip.mc-s{background:linear-gradient(140deg,#c3cdd6,#aeb9c4);box-shadow:0 4px 10px rgba(174,185,196,.4)}
/* 热播卡片 */
.v-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.v-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);transition:transform .25s,box-shadow .25s}
.v-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.v-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#e2ecf2}
.v-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.v-card:hover .v-thumb img{transform:scale(1.03)}
.v-hd{position:absolute;top:9px;left:9px;padding:1px 7px;border-radius:5px;background:rgba(47,124,158,.92);color:#fff;font-size:11.5px;font-weight:700;letter-spacing:.5px}
.v-time{position:absolute;bottom:9px;right:9px;padding:1px 7px;border-radius:5px;background:rgba(15,35,45,.75);color:#fff;font-size:11.5px;font-variant-numeric:tabular-nums}
.v-body{padding:12px 14px 16px}
.v-body h3{font-size:1rem;line-height:1.45;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.9em}
.v-meta{display:flex;justify-content:space-between;gap:8px;margin-top:8px;font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
/* 更新条 */
.u-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.u-card{display:flex;gap:13px;padding:11px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh);transition:transform .25s,box-shadow .25s}
.u-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.u-thumb{flex:0 0 108px;width:108px;height:70px;border-radius:10px;overflow:hidden;background:#e2ecf2}
.u-thumb img{width:100%;height:100%;object-fit:cover}
.u-body{min-width:0;display:flex;flex-direction:column;justify-content:center;gap:5px}
.u-body h3{font-size:.94rem;font-weight:700;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.u-state{display:flex;flex-wrap:wrap;gap:6px;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.tag{display:inline-block;padding:1px 7px;border-radius:5px;font-size:11.5px;font-weight:700;background:#E8F2F7;color:var(--blue-d)}
.tag-o{background:#FCEDE5;color:#B8632F}
/* 分类频道 */
.cat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.cat-grid a{display:flex;flex-direction:column;align-items:center;text-align:center;gap:9px;padding:20px 10px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh);transition:transform .25s,box-shadow .25s}
.cat-grid a:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.cat-ico{width:46px;height:46px;border-radius:13px;background:#EAF3F8;color:var(--blue);display:grid;place-items:center}
.cat-ico svg{width:23px;height:23px}
.cat-grid b{font-size:.94rem;color:var(--text)}
.cat-desc{font-size:12.5px;line-height:1.6;color:var(--muted)}
.more-link{margin-top:26px;text-align:center}
.more-link a{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 22px;border-radius:10px;border:1px solid var(--line);color:var(--blue-d);font-weight:600;font-size:14.5px;background:#fff;transition:background .2s,transform .2s}
.more-link a:hover{background:#EAF3F8;transform:translateY(-2px)}
/* 榜单 */
.rank-wrap{display:grid;grid-template-columns:1fr 1fr;gap:0 36px}
.rank-list{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:6px 16px;box-shadow:var(--sh)}
.rank-list + .rank-list{margin-top:0}
.rank-row{display:grid;grid-template-columns:40px minmax(0,1fr) auto 62px;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.rank-list li:last-child .rank-row{border-bottom:0}
.medal{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:13.5px;color:#fff;font-variant-numeric:tabular-nums}
.m-gold{background:linear-gradient(150deg,#DCB066,#C99A4B);box-shadow:0 4px 10px rgba(201,154,75,.4)}
.m-silver{background:linear-gradient(150deg,#C3CDD6,#AEB9C4);box-shadow:0 4px 10px rgba(174,185,196,.45)}
.m-bronze{background:linear-gradient(150deg,#C9885C,#B8754A);box-shadow:0 4px 10px rgba(184,117,74,.4)}
.rank-no{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#EAF2F7;color:var(--muted);font-weight:700;font-size:13px;font-variant-numeric:tabular-nums}
.rank-title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.rank-title em{font-style:normal;font-size:11.5px;font-weight:600;color:var(--blue);background:#EAF3F8;border-radius:5px;padding:1px 6px;margin-left:6px}
.rank-play{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.rank-score{font-size:14px;font-weight:800;color:var(--gold);text-align:right;font-variant-numeric:tabular-nums}
/* 痛点 */
.pain-list{display:grid;gap:14px}
.pain-row{display:flex;align-items:flex-start;gap:16px;padding:18px 20px;background:#EDF4F8;border-radius:14px;border:1px solid var(--line)}
.pain-row .pico{flex:0 0 42px;width:42px;height:42px;border-radius:12px;background:#fff;color:var(--blue);display:grid;place-items:center}
.pain-row .pico svg{width:21px;height:21px}
.pain-row h3{font-size:1rem;font-weight:700}
.pain-row p{font-size:13.5px;color:var(--muted);margin-top:3px}
/* 解决方案 */
.sol-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.sol-problem,.sol-fix{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;box-shadow:var(--sh)}
.sol-problem h3,.sol-fix h3{font-size:1.06rem;font-weight:700;margin-bottom:14px}
.sol-problem li{display:flex;gap:10px;font-size:14px;color:var(--muted);padding:9px 0;border-bottom:1px dashed var(--line)}
.sol-problem li:last-child{border-bottom:0}
.sol-problem li span:first-child{color:var(--bronze);font-weight:800}
.sol-fix li{display:flex;gap:12px;padding:11px 0}
.sol-fix .tick{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:#E4F1F7;color:var(--blue);display:grid;place-items:center}
.sol-fix .tick svg{width:14px;height:14px}
.sol-fix b{display:block;font-size:.95rem}
.sol-fix span.d{font-size:13px;color:var(--muted)}
/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 20px;box-shadow:var(--sh);position:relative}
.step .sno{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;background:linear-gradient(150deg,#5AA0C0,var(--blue));box-shadow:0 6px 14px rgba(47,124,158,.28);font-variant-numeric:tabular-nums}
.step h3{margin-top:14px;font-size:1rem;font-weight:700}
.step p{margin-top:6px;font-size:13.5px;color:var(--muted)}
/* 成果数据 */
.bars{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 40px}
.bar-item h3{display:flex;justify-content:space-between;font-size:.94rem;font-weight:600}
.bar-item h3 b{color:var(--blue-d);font-variant-numeric:tabular-nums}
.bar{height:9px;border-radius:6px;background:#E3EDF3;margin-top:9px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,#4E97B8,var(--blue))}
/* 用户反馈 */
.quote-grid{display:grid;grid-template-columns:1.35fr 1fr;grid-template-rows:auto auto;gap:20px}
.q-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;box-shadow:var(--sh)}
.q-main{grid-row:1/3;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(160deg,#EAF4F9,#FFFFFF)}
.q-card p{font-size:15px;line-height:1.85}
.q-main p{font-size:1.02rem;font-weight:600;color:var(--blue-d)}
.q-who{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--muted)}
.avatar{width:36px;height:36px;border-radius:50%;background:#D6E7F0;color:var(--blue-d);display:grid;place-items:center;font-weight:700;font-size:13px}
/* 适用人群 */
.aud-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.aud{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 18px;box-shadow:var(--sh);transition:transform .25s,box-shadow .25s}
.aud:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.aud .aico{width:40px;height:40px;border-radius:11px;background:#EAF3F8;color:var(--blue);display:grid;place-items:center}
.aud .aico svg{width:20px;height:20px}
.aud b{display:block;margin-top:12px;font-size:.95rem}
.aud p{margin-top:5px;font-size:13px;color:var(--muted)}
/* 专题 */
.topic-grid{display:grid;gap:16px}
.topic{display:grid;grid-template-columns:190px 1fr;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px;box-shadow:var(--sh);transition:transform .25s,box-shadow .25s}
.topic:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.topic-img{aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:#e2ecf2}
.topic-img img{width:100%;height:100%;object-fit:cover}
.topic h3{font-size:1.02rem;font-weight:700}
.topic p{margin-top:6px;font-size:13.5px;color:var(--muted)}
.topic-tags{display:flex;gap:7px;margin-top:9px;flex-wrap:wrap}
/* 资讯 */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.news-hero{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);transition:transform .25s,box-shadow .25s}
.news-hero:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.news-hero .nimg{aspect-ratio:16/9;overflow:hidden;background:#e2ecf2}
.news-hero .nimg img{width:100%;height:100%;object-fit:cover}
.news-hero .nbody{padding:16px 18px 20px}
.news-hero h3{font-size:1.1rem;font-weight:700}
.news-hero p{margin-top:8px;font-size:13.5px;color:var(--muted)}
.news-date{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-list li{border-bottom:1px dashed var(--line)}
.news-list li:last-child{border-bottom:0}
.news-list a{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:15px 2px;min-height:44px;font-size:14.5px;transition:color .2s}
.news-list a:hover{color:var(--blue)}
.news-list span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* 数据指标 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.metric{padding:8px 24px;border-right:1px solid var(--line);text-align:center}
.metric:last-child{border-right:0}
.metric b{display:block;font-size:2rem;font-weight:800;color:var(--blue-d);font-variant-numeric:tabular-nums;line-height:1.2}
.metric span{font-size:13.5px;color:var(--muted)}
/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item.open{border-color:#BFDBE8;box-shadow:var(--sh)}
.faq-q{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:18px 20px;font-size:15px;font-weight:600;min-height:44px}
.faq-q .dot{flex:0 0 10px;width:10px;height:10px;border-radius:50%;background:#D6E7F0}
.faq-item.open .faq-q .dot{background:var(--orange)}
.faq-q .sign{margin-left:auto;flex:0 0 22px;width:22px;height:22px;position:relative}
.faq-q .sign::before,.faq-q .sign::after{content:"";position:absolute;background:var(--blue);border-radius:2px;transition:transform .25s}
.faq-q .sign::before{left:0;top:10px;width:22px;height:2px}
.faq-q .sign::after{left:10px;top:0;width:2px;height:22px}
.faq-item.open .sign::after{transform:scaleY(0)}
.faq-a{display:none;padding:0 20px 20px 42px;font-size:14px;color:var(--muted)}
.faq-item.open .faq-a{display:block}
/* CTA */
.cta-band{position:relative;overflow:hidden;border-radius:20px;background:#DEEBF3 url('/assets/images/b9cc7eedcf86319a.jpg') center/cover no-repeat;box-shadow:var(--sh)}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(240,247,251,.96) 0%,rgba(240,247,251,.9) 52%,rgba(233,138,90,.16) 100%)}
.cta-inner{position:relative;padding:52px 44px;max-width:720px}
.cta-inner h2{font-size:1.7rem;font-weight:800;line-height:1.3;color:var(--blue-d)}
.cta-inner p{margin-top:12px;font-size:14.5px;color:#456}
.cta-inner .btn{margin-top:24px}
/* 页脚 */
.site-foot{background:#122B38;color:#B9CBD6;padding:56px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.site-foot h3{font-size:14.5px;color:#fff;font-weight:700;margin-bottom:14px}
.site-foot p{font-size:13.5px;line-height:1.8;color:#93A9B7}
.site-foot .brand{color:#fff;margin-bottom:14px}
.site-foot .logo{background:linear-gradient(140deg,#4E9ABD,#2F7C9E)}
.foot-links li a{display:inline-flex;align-items:center;min-height:34px;font-size:13.5px;color:#A6BCC9;transition:color .2s}
.foot-links li a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding:18px 0;font-size:12.5px;color:#7E96A5;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
/* 响应式 */
@media (max-width:1024px){
  .sec{padding:64px 0}
  .hero{padding:44px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .v-grid{grid-template-columns:repeat(3,1fr);gap:18px}
  .u-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .cat-bar{grid-template-columns:repeat(3,1fr)}
  .rank-wrap{grid-template-columns:1fr;gap:18px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .aud-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .main-nav{display:none;position:absolute;left:0;right:0;top:100%;margin-left:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh);padding:6px 20px 14px}
  .main-nav a{padding:13px 0;border-bottom:1px dashed var(--line);font-size:15px}
  .main-nav a:last-child{border-bottom:0}
  .nav-open .main-nav{display:flex}
  .menu-btn{display:inline-flex}
  .head-cta{display:none}
}
@media (max-width:768px){
  .sec{padding:54px 0}
  .sec-head h2{font-size:1.45rem}
  .v-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .u-grid{grid-template-columns:1fr}
  .sol-grid{grid-template-columns:1fr}
  .bars{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr;grid-template-rows:auto}
  .q-main{grid-row:auto}
  .news-grid{grid-template-columns:1fr;gap:22px}
  .topic{grid-template-columns:132px 1fr;gap:14px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metric{padding:16px 12px;border-right:0;border-bottom:1px solid var(--line)}
  .metric:nth-child(odd){border-right:1px solid var(--line)}
  .metric:nth-child(3),.metric:nth-child(4){border-bottom:0}
  .cta-inner{padding:36px 24px}
  .cta-inner h2{font-size:1.35rem}
  .brand-row{gap:12px}
  .brand{font-size:.94rem}
}
@media (max-width:520px){
  .sec{padding:46px 0}
  .hero h1{font-size:2rem}
  .v-body{padding:10px 11px 13px}
  .v-body h3{font-size:.9rem}
  .v-meta{font-size:11.5px}
  .cat-grid{grid-template-columns:repeat(3,1fr);gap:12px}
  .cat-grid a{padding:15px 8px}
  .cat-desc{font-size:11.5px}
  .steps{grid-template-columns:1fr}
  .aud-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .topic{grid-template-columns:1fr}
  .topic-img{aspect-ratio:16/9}
  .rank-row{grid-template-columns:34px minmax(0,1fr) auto;gap:8px;font-size:13.5px}
  .rank-play{display:none}
  .foot-grid{grid-template-columns:1fr}
  .faq-q{padding:15px 14px;font-size:14px}
  .faq-a{padding:0 14px 16px 36px}
  .hero-actions .btn{flex:1 1 100%}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}