/* roulang page: index */
:root{
  --coral:#E85A2C;
  --coral-dark:#C9451D;
  --coral-soft:rgba(232,90,44,.08);
  --teal:#2A7F72;
  --teal-soft:rgba(42,127,114,.09);
  --sun:#F2B44B;
  --bg:#FAF6F1;
  --bg-alt:#F1EAE1;
  --white:#FFFFFF;
  --ink:#1F2425;
  --ink2:#5C6360;
  --ink3:#8A8F8C;
  --line:#E8E0D6;
  --dark:#1E2A28;
  --sh:0 8px 24px rgba(31,36,37,.06);
  --sh-h:0 14px 32px rgba(31,36,37,.10);
  --r:16px;
  --r-lg:20px;
  --sp:clamp(40px,6vw,84px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--teal);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--coral)}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0 0 12px}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:6px}
.container{max-width:1180px;padding-left:20px;padding-right:20px}
.sec{padding:var(--sp) 0}
.sec-white{background:var(--white)}
.sec-alt{background:var(--bg-alt)}
.sec-head{max-width:780px;margin-bottom:34px}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.3;margin:12px 0 12px}
.sec-head p{color:var(--ink2);margin:0}
.sec-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;line-height:1.6;
}
.tag-coral{background:var(--coral-soft);color:var(--coral)}
.tag-teal{background:var(--teal-soft);color:var(--teal)}
.tag-sun{background:rgba(242,180,75,.18);color:#8A5A08}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(31,36,37,.07)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);min-width:0}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:42px;height:42px;border-radius:14px;background:var(--coral-soft);color:var(--coral);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-text{min-width:0}
.brand-text strong{display:block;font-size:17px;font-weight:700;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text small{display:block;font-size:12px;color:var(--ink3);letter-spacing:.02em;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav .nav-link{
  padding:10px 15px;border-radius:999px;color:var(--ink2);font-size:15px;font-weight:500;
  transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.main-nav .nav-link:hover{background:var(--coral-soft);color:var(--coral)}
.main-nav .nav-link.is-active{background:var(--coral-soft);color:var(--coral);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--ink);display:grid;place-items:center;font-size:17px;cursor:pointer;transition:all .2s ease;
}
.nav-toggle:hover{border-color:var(--coral);color:var(--coral)}

/* ===== buttons ===== */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;
  padding:11px 24px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rl-btn-primary{background:var(--coral);color:#fff;box-shadow:0 6px 18px rgba(232,90,44,.24)}
.rl-btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(232,90,44,.3)}
.rl-btn-primary:active{transform:translateY(0)}
.rl-btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.rl-btn-ghost:hover{border-color:var(--coral);color:var(--coral);transform:translateY(-2px)}
.rl-btn-light{background:#FAF6F1;color:var(--dark)}
.rl-btn-light:hover{background:#fff;color:var(--coral-dark);transform:translateY(-2px)}
.rl-btn-sm{min-height:40px;padding:8px 18px;font-size:14px}
.link-more{font-weight:600;color:var(--teal);border-bottom:1px solid rgba(42,127,114,.35);padding-bottom:1px}
.link-more:hover{color:var(--coral);border-color:rgba(232,90,44,.45)}
.link-more i{font-size:12px;margin-left:4px}

/* ===== hero ===== */
.hero{
  position:relative;overflow:hidden;
  padding:clamp(36px,5vw,68px) 0 clamp(44px,6vw,80px);
  background:linear-gradient(180deg,#FFF8F2 0%,var(--bg) 72%);
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,90,44,.10),rgba(232,90,44,0) 68%);pointer-events:none;
}
.hero h1{font-size:clamp(30px,4.4vw,48px);line-height:1.2;font-weight:700;letter-spacing:-.01em;margin:16px 0 16px}
.hero-lead{color:var(--ink2);font-size:16.5px;line-height:1.85;max-width:36em}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:18px;font-size:13.5px;color:var(--ink3)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta i{color:var(--teal);font-size:12px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}

/* filter */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:8px;box-shadow:var(--sh);margin:26px 0 22px;max-width:620px;
}
.filter-bar .f-item{
  flex:1 1 130px;display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:var(--bg);min-width:0;border:1px solid transparent;transition:border-color .2s ease;
}
.filter-bar .f-item:hover{border-color:var(--line)}
.filter-bar .f-item i{color:var(--coral);font-size:13px;flex:0 0 auto}
.filter-bar select{
  appearance:none;-webkit-appearance:none;border:0;background:transparent;font-size:14px;
  color:var(--ink);width:100%;min-width:0;outline:none;cursor:pointer;
}
.filter-bar .rl-btn{flex:0 0 auto}

/* coupon wall */
.coupon-wall{display:grid;grid-template-columns:1fr 1fr;gap:16px;position:relative}
.coupon{
  background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;
}
.coupon:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.coupon-main{grid-column:1/-1;position:relative}
.coupon-flag{
  position:absolute;top:14px;left:14px;z-index:2;background:var(--sun);color:#4A3410;
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;letter-spacing:.02em;
}
.coupon-photo{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.coupon-photo img{width:100%;height:100%;object-fit:cover}
.coupon-body{padding:18px 20px 16px}
.coupon-body h2{font-size:20px;font-weight:700;line-height:1.4;margin-bottom:6px}
.coupon-body p{color:var(--ink2);font-size:14.5px;margin-bottom:14px}
.coupon-list{display:grid;gap:8px;margin:0 0 16px}
.coupon-list li{
  display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink2);
  padding:8px 12px;background:var(--bg);border-radius:12px;
}
.coupon-list li b{color:var(--ink);font-weight:600;flex:0 0 auto}
.coupon-list i{color:var(--coral);font-size:12px}
.coupon-stub{
  margin:0 20px;padding:12px 0 16px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.coupon-stub span{font-size:13px;color:var(--ink3)}
.coupon-photo-sm{aspect-ratio:16/10}
.coupon-mini .coupon-body{padding:14px 16px 18px}
.coupon-mini h3{font-size:16px;font-weight:600;line-height:1.45;margin-bottom:6px}
.coupon-mini p{font-size:13.5px;color:var(--ink2);margin:0}

/* ===== download ===== */
.dl-section{padding:0 0 var(--sp)}
.dl-card{
  background:var(--dark);border-radius:var(--r-lg);padding:clamp(28px,4vw,48px);
  color:#EDE8E0;position:relative;overflow:hidden;
}
.dl-card::before{
  content:"";position:absolute;right:-60px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,90,44,.35),rgba(232,90,44,0) 70%);pointer-events:none;
}
.dl-card h2{color:#fff;font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;margin:12px 0 12px}
.dl-card p{color:#B9C1BC;margin:0}
.dl-buttons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.dl-btn{
  display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:16px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);color:#fff;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;min-height:64px;
}
.dl-btn:hover{background:rgba(232,90,44,.9);border-color:rgba(232,90,44,.9);color:#fff;transform:translateY(-3px)}
.dl-btn i{font-size:20px;flex:0 0 auto;color:var(--sun)}
.dl-btn:hover i{color:#fff}
.dl-btn span{display:block;font-size:15px;font-weight:600;line-height:1.3}
.dl-btn small{display:block;font-size:12px;color:#9FA8A3;line-height:1.4}
.dl-btn:hover small{color:rgba(255,255,255,.82)}
.dl-note{margin-top:16px;font-size:13px;color:#8E9A94;line-height:1.7}

/* ===== rail ===== */
.rail{
  display:flex;gap:16px;overflow-x:auto;padding:4px 4px 18px;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.rail-item{
  flex:0 0 auto;width:250px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);padding:20px;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rail-item:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:#DCCFC0}
.rail-icon{
  width:44px;height:44px;border-radius:14px;background:var(--coral-soft);color:var(--coral);
  display:grid;place-items:center;font-size:17px;margin-bottom:14px;
}
.rail-item:nth-child(even) .rail-icon{background:var(--teal-soft);color:var(--teal)}
.rail-item h3{font-size:17px;font-weight:600;margin-bottom:6px}
.rail-item p{font-size:13.8px;color:var(--ink2);margin:0 0 12px;line-height:1.7}

/* ===== recommend ===== */
.rec-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
.rec-main{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease;
}
.rec-main:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.rec-main .rec-photo{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.rec-main .rec-photo img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rec-main:hover .rec-photo img{transform:scale(1.03)}
.rec-main .rec-body{padding:20px 22px 24px}
.rec-main h3{font-size:20px;font-weight:700;line-height:1.4;margin:10px 0 8px}
.rec-main p{color:var(--ink2);font-size:14.5px;margin:0}
.rec-side{display:grid;gap:14px}
.rec-mini{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);padding:14px;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease;
}
.rec-mini:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.rec-mini .rm-photo{width:76px;height:76px;border-radius:12px;overflow:hidden;flex:0 0 auto;background:var(--bg-alt)}
.rec-mini .rm-photo img{width:100%;height:100%;object-fit:cover}
.rec-mini h4{font-size:15.5px;font-weight:600;line-height:1.45;margin-bottom:4px}
.rec-mini p{font-size:13px;color:var(--ink2);margin:0}

/* ===== channel ===== */
.channel-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
.channel-main{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease;
}
.channel-main:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.channel-main .ch-photo{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.channel-main .ch-photo img{width:100%;height:100%;object-fit:cover}
.channel-main .ch-body{padding:20px 22px 24px}
.channel-main h3{font-size:20px;font-weight:700;line-height:1.4;margin:10px 0 8px;color:var(--ink)}
.channel-main p{color:var(--ink2);font-size:14.5px;margin:0 0 14px}
.channel-side{display:grid;gap:14px}
.channel-item{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);padding:16px 18px;box-shadow:var(--sh);color:var(--ink);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.channel-item:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:#DCCFC0;color:var(--ink)}
.channel-item .ci-icon{
  width:40px;height:40px;border-radius:12px;background:var(--teal-soft);color:var(--teal);
  display:grid;place-items:center;font-size:15px;flex:0 0 auto;
}
.channel-item h4{font-size:15.5px;font-weight:600;margin:0 0 2px}
.channel-item p{font-size:13px;color:var(--ink2);margin:0}

/* ===== timeline ===== */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;margin-top:10px}
.timeline::before{content:"";position:absolute;left:14px;right:14px;top:15px;border-top:2px dashed #D9CCBC}
.tl-item{position:relative;padding-top:42px}
.tl-dot{
  position:absolute;top:0;left:0;width:32px;height:32px;border-radius:50%;background:#fff;
  border:2px solid var(--coral);display:grid;place-items:center;font-size:11px;color:var(--coral);
  font-weight:700;z-index:1;
}
.tl-item:nth-child(even) .tl-dot{border-color:var(--teal);color:var(--teal)}
.tl-item h3{font-size:15.5px;font-weight:700;margin-bottom:6px}
.tl-item p{font-size:13.5px;color:var(--ink2);margin:0 0 10px;line-height:1.7}
.tl-item .tag{font-size:12px}

/* ===== rank ===== */
.rank-list{display:grid;gap:12px}
.rank-item{
  display:flex;align-items:flex-start;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);padding:16px 20px;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease;
}
.rank-item:hover{transform:translateY(-2px);box-shadow:var(--sh-h)}
.rank-num{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;background:var(--coral-soft);color:var(--coral);
  display:grid;place-items:center;font-size:14px;font-weight:700;letter-spacing:.02em;
}
.rank-item:nth-child(2n) .rank-num{background:var(--teal-soft);color:var(--teal)}
.rank-body h3{font-size:16.5px;font-weight:600;margin-bottom:4px}
.rank-body p{font-size:14px;color:var(--ink2);margin:0}
.rank-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}

/* ===== scene ===== */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;
  box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;gap:10px;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.scene-card h3{font-size:16.5px;font-weight:600}
.scene-card p{font-size:14px;color:var(--ink2);margin:0}

/* ===== steps ===== */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;position:relative}
.step{position:relative;padding-right:16px}
.step::after{
  content:"";position:absolute;top:26px;right:-10px;width:20px;border-top:2px dashed #D9CCBC;
}
.step:last-child::after{display:none}
.step-num{font-size:28px;font-weight:700;color:var(--coral);letter-spacing:-.02em;line-height:1}
.step h3{font-size:17px;font-weight:600;margin:12px 0 8px}
.step p{font-size:14px;color:var(--ink2);margin:0}

/* ===== rules / checklist ===== */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.rule-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--sh)}
.rule-card h3{font-size:17.5px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.rule-card h3 i{color:var(--coral);font-size:15px}
.rule-card li{display:flex;gap:10px;font-size:14.2px;color:var(--ink2);padding:7px 0;line-height:1.7}
.rule-card li i{color:var(--teal);font-size:13px;margin-top:6px;flex:0 0 auto}
.rule-card.on-dark{background:var(--dark);border-color:var(--dark)}
.rule-card.on-dark h3{color:#fff}
.rule-card.on-dark li{color:#B9C1BC}
.rule-card.on-dark li i{color:var(--sun)}
.rule-card .btn-line{margin-top:16px}

/* ===== tips ===== */
.tips-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.tip{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease}
.tip:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.tip i{color:var(--coral);font-size:16px}
.tip h3{font-size:15.5px;font-weight:600;margin:10px 0 6px}
.tip p{font-size:13.6px;color:var(--ink2);margin:0}

/* ===== faq ===== */
.faq-wrap{max-width:860px}
.accordion-item{
  background:#fff;border:1px solid var(--line)!important;border-radius:var(--r)!important;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh);
}
.accordion-button{
  background:#fff;color:var(--ink);font-size:16px;font-weight:600;padding:18px 22px 18px 24px;
  border-left:4px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease;
  box-shadow:none!important;
}
.accordion-button:not(.collapsed){background:#FFF8F2;color:var(--coral-dark);border-left-color:var(--coral)}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--coral);outline-offset:-4px}
.accordion-button::after{
  background-image:none;content:"\2b";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--coral);display:grid;place-items:center;width:26px;height:26px;
  border-radius:50%;background:var(--coral-soft);transition:transform .2s ease;
}
.accordion-button:not(.collapsed)::after{content:"\f068";transform:rotate(0deg)}
.accordion-body{padding:4px 24px 20px;color:var(--ink2);font-size:14.6px;line-height:1.85}

/* ===== news ===== */
.news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);color:var(--ink);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);color:var(--ink);border-color:#DCCFC0}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.news-body h3{
  font-size:16.5px;font-weight:600;line-height:1.5;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:13.8px;color:var(--ink2);margin:0;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:12.5px;color:var(--ink3)}
.empty-state{
  text-align:center;padding:56px 20px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state i{font-size:26px;color:#D9CCBC;margin-bottom:12px;display:block}
.empty-state p{color:var(--ink3);margin:0 0 16px}

/* ===== assure ===== */
.assure{background:var(--dark);color:#DCE2DE;padding:clamp(32px,4vw,48px) 0}
.assure-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.assure-item{display:flex;gap:14px;align-items:flex-start}
.assure-item i{font-size:18px;color:var(--sun);margin-top:4px}
.assure-item h3{color:#fff;font-size:15.5px;font-weight:600;margin-bottom:4px}
.assure-item p{color:#A9B3AE;font-size:13.6px;margin:0}

/* ===== final cta ===== */
.cta-band{
  background:linear-gradient(135deg,#FDEEE5 0%,#FAF6F1 60%);
  border:1px solid #F3E1D5;border-radius:var(--r-lg);padding:clamp(28px,4vw,48px);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;margin-bottom:8px}
.cta-band p{color:var(--ink2);margin:0;max-width:36em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ===== footer ===== */
.site-footer{background:var(--dark);color:#B9C1BC;padding:56px 0 22px;margin-top:var(--sp)}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(232,90,44,.18);color:#FF9A73}
.footer-brand strong{display:block;color:#fff;font-size:16.5px;font-weight:700;line-height:1.3}
.footer-brand small{display:block;font-size:12px;color:#8E9A94;margin-top:2px}
.site-footer p{font-size:13.6px;line-height:1.8;margin:0}
.footer-col h4{color:#fff;font-size:14.5px;font-weight:600;margin-bottom:14px;letter-spacing:.01em}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#B9C1BC;font-size:13.8px}
.footer-col a:hover{color:var(--sun)}
.footer-dl{display:grid;gap:10px}
.footer-dl a{
  display:flex;align-items:center;gap:10px;padding:9px 14px;border-radius:12px;
  border:1px solid rgba(255,255,255,.14);color:#E7EBE8;font-size:13.6px;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.footer-dl a:hover{background:rgba(232,90,44,.85);border-color:rgba(232,90,44,.85);color:#fff}
.footer-dl i{color:var(--sun);font-size:14px}
.footer-dl a:hover i{color:#fff}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.8px;color:#8E9A94;
}

/* ===== offcanvas ===== */
.offcanvas{background:var(--bg);width:86vw;max-width:340px}
.offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px}
.offcanvas-title{font-size:16px;font-weight:700;color:var(--ink)}
.offcanvas-body{padding:18px 20px 24px}
.m-nav{display:grid;gap:6px;margin-bottom:22px}
.m-nav a{
  display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 16px;
  border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--ink);font-size:15px;font-weight:500;
  transition:all .2s ease;
}
.m-nav a:hover{border-color:var(--coral);color:var(--coral)}
.m-nav a.is-active{background:var(--coral-soft);border-color:rgba(232,90,44,.35);color:var(--coral);font-weight:600}
.m-nav a i{font-size:12px;color:var(--ink3)}
.m-dl{display:grid;gap:10px}
.m-dl a{
  display:flex;align-items:center;gap:10px;min-height:48px;padding:0 16px;border-radius:12px;
  background:var(--dark);color:#fff;font-size:14.5px;font-weight:600;
}
.m-dl a i{color:var(--sun)}
.m-dl a:hover{color:#fff;background:#2C3B38}

/* ===== responsive ===== */
@media (max-width:1199.98px){
  .tips-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .nav-inner{min-height:64px}
  .hero{padding-top:32px}
  .rec-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:repeat(3,minmax(0,1fr))} 
  .timeline::before{display:none}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:1fr;gap:24px}
  .step::after{display:none}
  .dl-buttons{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .assure-grid{grid-template-columns:1fr;gap:18px}
}
@media (max-width:767.98px){
  .sec{padding:44px 0}
  .sec-head--split{flex-direction:column;align-items:flex-start;gap:12px}
  .coupon-wall{grid-template-columns:1fr}
  .coupon-main{grid-column:auto}
  .filter-bar{border-radius:18px;padding:10px}
  .filter-bar .f-item{border-radius:12px}
  .filter-bar .rl-btn{width:100%}
  .two-col{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr;gap:20px}
  .tl-item{padding-top:0;padding-left:44px}
  .tl-dot{top:2px}
  .scene-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start}
  .dl-card h2{font-size:22px}
}
@media (max-width:575.98px){
  .brand-text strong{font-size:15.5px}
  .brand-text small{display:none}
  .hero h1{font-size:27px}
  .hero-lead{font-size:15.5px}
  .tips-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .rl-btn{width:100%}
  .hero-cta .rl-btn{width:100%}
  .cta-actions{width:100%}
  .rank-item{padding:14px 16px;gap:12px}
}

/* roulang page: article */
:root{
  --coral:#E85A2C;
  --coral-dark:#C9451D;
  --coral-soft:rgba(232,90,44,.08);
  --teal:#2A7F72;
  --teal-soft:rgba(42,127,114,.09);
  --sun:#F2B44B;
  --bg:#FAF6F1;
  --bg-alt:#F1EAE1;
  --white:#FFFFFF;
  --ink:#1F2425;
  --ink2:#5C6360;
  --ink3:#8A8F8C;
  --line:#E8E0D6;
  --dark:#1E2A28;
  --sh:0 8px 24px rgba(31,36,37,.06);
  --sh-h:0 14px 32px rgba(31,36,37,.10);
  --r:16px;
  --r-lg:20px;
  --sp:clamp(40px,6vw,84px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--teal);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--coral)}
h1,h2,h3,h4{margin:0;color:var(--ink)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px}
.container{max-width:1180px;padding-left:20px;padding-right:20px}
.section{padding:var(--sp) 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.01em}
.section-head p{color:var(--ink2);font-size:15.5px;margin-top:10px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--coral);letter-spacing:.08em;margin-bottom:6px}
.eyebrow i{font-size:11px}
/* tags */
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;line-height:1.6;
}
.tag-coral{background:var(--coral-soft);color:var(--coral)}
.tag-teal{background:var(--teal-soft);color:var(--teal)}
.tag-sun{background:rgba(242,180,75,.18);color:#8A5A08}
/* header */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(31,36,37,.07)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);min-width:0}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:42px;height:42px;border-radius:14px;background:var(--coral-soft);color:var(--coral);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-text{min-width:0}
.brand-text strong{display:block;font-size:17px;font-weight:700;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text small{display:block;font-size:12px;color:var(--ink3);letter-spacing:.02em;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav .nav-link{
  padding:10px 15px;border-radius:999px;color:var(--ink2);font-size:15px;font-weight:500;
  transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.main-nav .nav-link:hover{background:var(--coral-soft);color:var(--coral)}
.main-nav .nav-link.is-active{background:var(--coral-soft);color:var(--coral);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--ink);display:grid;place-items:center;font-size:17px;cursor:pointer;transition:all .2s ease;
}
.nav-toggle:hover{border-color:var(--coral);color:var(--coral)}
.rl-drawer{max-width:330px;background:#fff}
.rl-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.rl-drawer .offcanvas-title{font-size:16px;font-weight:700}
.rl-drawer .offcanvas-body{padding:16px 20px 26px;display:flex;flex-direction:column;gap:6px}
.m-link{display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;color:var(--ink2);font-size:15px;font-weight:500}
.m-link:hover,.m-link.is-active{background:var(--coral-soft);color:var(--coral)}
.m-dl{margin-top:12px;width:100%}
/* buttons */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;
  padding:11px 24px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rl-btn-primary{background:var(--coral);color:#fff;box-shadow:0 6px 18px rgba(232,90,44,.24)}
.rl-btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(232,90,44,.3)}
.rl-btn-primary:active{transform:translateY(0)}
.rl-btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.rl-btn-ghost:hover{border-color:var(--coral);color:var(--coral);transform:translateY(-2px)}
.rl-btn-sm{min-height:40px;padding:8px 18px;font-size:14px}
/* breadcrumb */
.crumb-bar{background:var(--bg-alt);border-bottom:1px solid var(--line)}
.crumb-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;font-size:13.5px;min-width:0}
.crumbs{display:flex;align-items:center;gap:8px;color:var(--ink3);min-width:0;overflow-x:auto;white-space:nowrap;scrollbar-width:none}
.crumbs::-webkit-scrollbar{display:none}
.crumbs a{color:var(--ink2);font-weight:500}
.crumbs a:hover{color:var(--coral)}
.crumbs .sep{color:var(--ink3);opacity:.55}
.crumbs .current{color:var(--ink3);overflow:hidden;text-overflow:ellipsis;max-width:42ch;display:inline-block;vertical-align:middle}
.crumb-back{display:inline-flex;align-items:center;gap:7px;color:var(--teal);font-weight:600;flex:0 0 auto;font-size:13.5px}
.crumb-back:hover{color:var(--coral)}
/* article hero */
.article-hero{padding:clamp(26px,4vw,52px) 0 clamp(18px,2.6vw,28px);background:linear-gradient(180deg,#FFF8F2 0%,var(--bg) 78%)}
.article-hero h1{font-size:clamp(26px,3.6vw,40px);line-height:1.28;font-weight:700;letter-spacing:-.01em;margin-top:14px;max-width:24em}
.article-lead{color:var(--ink2);font-size:16px;line-height:1.85;margin:14px 0 0;max-width:40em}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:18px;font-size:13.5px;color:var(--ink3)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--teal);font-size:12.5px}
/* cover */
.article-cover{padding-bottom:clamp(22px,3vw,34px)}
.article-cover figure{margin:0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);aspect-ratio:21/9;background:var(--bg-alt);position:relative}
.article-cover img{width:100%;height:100%;object-fit:cover}
/* article layout */
.article-wrap{padding-bottom:var(--sp)}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(20px,3.2vw,44px);box-shadow:var(--sh);
}
.article-body{font-size:16px;line-height:1.9;color:var(--ink);max-width:760px}
.article-body p{margin:0 0 1.15em}
.article-body h1,.article-body h2{
  font-size:clamp(21px,2.2vw,24px);font-weight:700;line-height:1.45;
  margin:1.9em 0 .75em;padding-left:14px;position:relative;
}
.article-body h1::before,.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:4px;background:var(--coral);
}
.article-body h3{font-size:20px;font-weight:600;line-height:1.5;margin:1.6em 0 .65em}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .55em}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.25em}
.article-body ul li{list-style:disc;margin:.4em 0}
.article-body ol li{list-style:decimal;margin:.4em 0}
.article-body li::marker{color:var(--coral)}
.article-body blockquote{
  background:var(--bg);border-left:4px solid var(--coral);border-radius:12px;
  padding:16px 20px;margin:1.5em 0;color:var(--ink2);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.4em auto;height:auto}
.article-body figure{margin:1.5em 0}
.article-body figcaption{font-size:13px;color:var(--ink3);text-align:center;margin-top:8px}
.article-body a{color:var(--teal);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--coral)}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:2em 0}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);
  border-radius:12px;overflow:hidden;font-size:14.5px;margin:1.4em 0;
}
.article-body thead th{background:var(--bg-alt);font-weight:600;color:var(--ink);text-align:left}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body tbody tr:nth-child(even) td{background:#FCFAF7}
.article-body code{background:var(--bg-alt);border-radius:6px;padding:1px 6px;font-size:14px}
/* sidebar */
.article-side{position:sticky;top:92px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh);padding:20px;margin-bottom:18px;
}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--coral);font-size:14px}
.key-list li{
  display:flex;gap:10px;font-size:14px;color:var(--ink2);line-height:1.7;
  padding:9px 0;border-bottom:1px dashed var(--line);
}
.key-list li:last-child{border-bottom:0;padding-bottom:0}
.key-list .num{
  flex:0 0 22px;height:22px;border-radius:8px;background:var(--coral-soft);color:var(--coral);
  font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:3px;
}
.side-dl{background:var(--dark);border-color:transparent;color:#DCD8D0}
.side-dl h3{color:#fff}
.side-dl p{font-size:13px;color:#A8B0AC;margin:0 0 4px;line-height:1.7}
.side-dl .dl-links{display:grid;gap:8px;margin-top:14px}
.side-dl .dl-links a{
  display:flex;align-items:center;gap:9px;padding:10px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);color:#F1EDE6;font-size:13.5px;font-weight:500;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-dl .dl-links a:hover{background:var(--coral);color:#fff;transform:translateY(-2px)}
.side-tips li{display:flex;gap:9px;font-size:13.5px;color:var(--ink2);line-height:1.7;padding:7px 0}
.side-tips i{color:var(--teal);font-size:12px;margin-top:5px}
/* empty state */
.empty-state{
  text-align:center;padding:56px 24px;background:var(--bg);
  border:1px dashed var(--line);border-radius:var(--r);
}
.empty-state i{font-size:28px;color:var(--ink3)}
.empty-state h2{font-size:19px;font-weight:700;margin:14px 0 6px}
.empty-state p{color:var(--ink2);font-size:14.5px;margin:0 0 18px}
/* type cards */
.type-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;
  height:100%;box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.type-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:rgba(232,90,44,.35)}
.type-card .ico{
  width:46px;height:46px;border-radius:14px;background:var(--teal-soft);color:var(--teal);
  display:grid;place-items:center;font-size:18px;margin-bottom:14px;
}
.type-card h3{font-size:17px;font-weight:700;margin-bottom:6px}
.type-card p{font-size:14px;color:var(--ink2);line-height:1.7;margin:0 0 12px}
/* download strip */
.dl-strip{
  background:var(--dark);border-radius:var(--r-lg);padding:clamp(22px,3vw,34px);
  color:#EDE8E0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:22px;position:relative;overflow:hidden;
}
.dl-strip::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,90,44,.35),rgba(232,90,44,0) 70%);pointer-events:none;
}
.dl-strip h2{color:#fff;font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.35}
.dl-strip p{color:#A8B0AC;font-size:13.5px;margin:8px 0 0;max-width:38em}
.dl-strip .dl-btns{display:flex;flex-wrap:wrap;gap:10px;position:relative;z-index:1}
.dl-strip .dl-btns a{
  display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:999px;
  background:#FAF6F1;color:var(--dark);font-weight:600;font-size:14px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.dl-strip .dl-btns a:hover{background:var(--coral);color:#fff;transform:translateY(-2px)}
/* post cards */
.post-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);color:inherit;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);color:inherit;border-color:rgba(232,90,44,.3)}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt);position:relative}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.post-body h3{
  font-size:16.5px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  font-size:13.8px;color:var(--ink2);line-height:1.7;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:var(--ink3);margin-top:auto;padding-top:6px;
}
/* end cta */
.end-cta{
  background:#FFF1E8;border:1px solid #F6DCCB;border-radius:var(--r-lg);
  padding:clamp(24px,3.4vw,40px);display:flex;flex-wrap:wrap;gap:20px;
  align-items:center;justify-content:space-between;
}
.end-cta h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.4}
.end-cta p{color:var(--ink2);font-size:14.5px;margin:8px 0 0;max-width:38em}
.end-cta .cta-btns{display:flex;flex-wrap:wrap;gap:10px}
.article-foot{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  margin-top:26px;padding-top:18px;border-top:1px solid var(--line);
  font-size:14px;color:var(--ink3);
}
.article-foot .links{display:flex;flex-wrap:wrap;gap:18px}
.article-foot a{color:var(--teal);font-weight:500}
.article-foot a:hover{color:var(--coral)}
/* footer */
.site-footer{background:var(--dark);color:#CFCAC2;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(232,90,44,.16);color:#F0876A}
.footer-brand strong{display:block;font-size:16px;color:#fff;line-height:1.3}
.footer-brand small{display:block;font-size:12px;color:#9BA5A1;margin-top:2px}
.site-footer p{font-size:14px;line-height:1.8;color:#A8B0AC;margin:0;max-width:32em}
.footer-col h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:14px;letter-spacing:.04em}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:#A8B0AC;font-size:14px}
.footer-col a:hover{color:#F0876A}
.footer-dl{display:grid;gap:10px}
.footer-dl a{
  display:inline-flex;align-items:center;gap:9px;padding:9px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.12);font-size:13.5px;color:#E6E2DA;
  transition:border-color .2s ease,background .2s ease,color .2s ease;
}
.footer-dl a:hover{border-color:rgba(232,90,44,.6);background:rgba(232,90,44,.12);color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding:18px 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;
  font-size:13px;color:#8B948F;
}
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:991.98px){
  .nav-inner{min-height:60px}
  .brand-text strong{font-size:16px}
  .article-side{position:static;margin-top:6px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .site-footer{padding-top:44px}
}
@media (max-width:767.98px){
  .brand-text small{display:none}
  .article-hero h1{font-size:clamp(24px,6vw,30px)}
  .article-lead{font-size:15px}
  .article-cover figure{aspect-ratio:16/9;border-radius:var(--r)}
  .crumb-row{gap:10px}
  .crumbs .current{max-width:24ch}
  .dl-strip{flex-direction:column;align-items:flex-start}
  .end-cta{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr}
  .container{padding-left:16px;padding-right:16px}
  .article-card{padding:18px 16px}
  .dl-strip .dl-btns{width:100%}
  .dl-strip .dl-btns a{flex:1 1 100%;justify-content:center}
  .article-meta{gap:6px 16px;font-size:13px}
  .crumb-back span{display:none}
}

/* roulang page: category1 */
:root{
  --coral:#E85A2C;
  --coral-dark:#C9451D;
  --coral-soft:rgba(232,90,44,.08);
  --teal:#2A7F72;
  --teal-soft:rgba(42,127,114,.09);
  --sun:#F2B44B;
  --bg:#FAF6F1;
  --bg-alt:#F1EAE1;
  --white:#FFFFFF;
  --ink:#1F2425;
  --ink2:#5C6360;
  --ink3:#8A8F8C;
  --line:#E8E0D6;
  --dark:#1E2A28;
  --sh:0 8px 24px rgba(31,36,37,.06);
  --sh-h:0 14px 32px rgba(31,36,37,.10);
  --r:16px;
  --r-lg:20px;
  --sp:clamp(40px,6vw,84px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
h1,h2,h3,h4,h5,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--teal);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease}
a:hover{color:var(--coral)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px}
.container{max-width:1180px;padding-left:20px;padding-right:20px}

/* ===== tags ===== */
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;line-height:1.6;
}
.tag-coral{background:var(--coral-soft);color:var(--coral)}
.tag-teal{background:var(--teal-soft);color:var(--teal)}
.tag-sun{background:rgba(242,180,75,.18);color:#8A5A08}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(31,36,37,.07)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);min-width:0}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:42px;height:42px;border-radius:14px;background:var(--coral-soft);color:var(--coral);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-text{min-width:0}
.brand-text strong{display:block;font-size:17px;font-weight:700;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text small{display:block;font-size:12px;color:var(--ink3);letter-spacing:.02em;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav .nav-link{
  padding:10px 15px;border-radius:999px;color:var(--ink2);font-size:15px;font-weight:500;
  transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.main-nav .nav-link:hover{background:var(--coral-soft);color:var(--coral)}
.main-nav .nav-link.is-active{background:var(--coral-soft);color:var(--coral);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--ink);display:grid;place-items:center;font-size:17px;cursor:pointer;transition:all .2s ease;
}
.nav-toggle:hover{border-color:var(--coral);color:var(--coral)}
.mobile-nav-list{display:grid;gap:4px;margin-bottom:8px}
.mobile-nav-list a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  color:var(--ink);font-size:16px;font-weight:500;transition:all .2s ease;
}
.mobile-nav-list a:hover{background:var(--bg-alt);color:var(--coral)}
.mobile-nav-list a.is-active{background:var(--coral-soft);color:var(--coral);font-weight:600}
.offcanvas-title{font-size:16px;font-weight:700;color:var(--ink)}

/* ===== buttons ===== */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;
  padding:11px 24px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rl-btn-primary{background:var(--coral);color:#fff;box-shadow:0 6px 18px rgba(232,90,44,.24)}
.rl-btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(232,90,44,.3)}
.rl-btn-primary:active{transform:translateY(0)}
.rl-btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.rl-btn-ghost:hover{border-color:var(--coral);color:var(--coral);transform:translateY(-2px)}
.rl-btn-light{background:#FAF6F1;color:var(--dark)}
.rl-btn-light:hover{background:#fff;color:var(--coral-dark);transform:translateY(-2px)}
.rl-btn-sm{min-height:40px;padding:8px 18px;font-size:14px}

/* ===== breadcrumb ===== */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);padding:10px 0}
.crumb-bar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.crumb{
  display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink3);
  overflow-x:auto;white-space:nowrap;scrollbar-width:none;-ms-overflow-style:none;
}
.crumb::-webkit-scrollbar{display:none}
.crumb a{color:var(--ink2)}
.crumb a:hover{color:var(--coral)}
.crumb i{font-size:10px;color:var(--ink3)}
.crumb span[aria-current]{color:var(--ink);font-weight:600}
.crumb-back{
  display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--ink2);flex:0 0 auto;
}
.crumb-back:hover{color:var(--coral)}

/* ===== category hero ===== */
.cat-hero{
  background:linear-gradient(180deg,#FFF9F4 0%,var(--bg) 100%);
  padding:clamp(26px,3.6vw,46px) 0 clamp(28px,4vw,50px);
  border-bottom:1px solid var(--line);
  position:relative;overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,90,44,.10),rgba(232,90,44,0) 68%);pointer-events:none;
}
.cat-hero h1{
  font-size:clamp(27px,3.6vw,40px);line-height:1.22;font-weight:700;letter-spacing:-.01em;
  margin:14px 0 14px;
}
.cat-lead{color:var(--ink2);font-size:16px;line-height:1.85;max-width:38em}
.cat-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:16px;font-size:13.5px;color:var(--ink3)}
.cat-meta span{display:inline-flex;align-items:center;gap:7px}
.cat-meta i{color:var(--teal);font-size:12px}
.cat-photo{
  border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--sh);
  border:1px solid var(--line);background:var(--bg-alt);
}
.cat-photo img{width:100%;height:100%;object-fit:cover}

/* ===== section base ===== */
.section{padding:var(--sp) 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:clamp(22px,3vw,38px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  letter-spacing:.08em;color:var(--coral);margin-bottom:10px;
}
.section-title{font-size:clamp(23px,2.6vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.01em}
.section-sub{color:var(--ink2);font-size:15.5px;margin-top:12px;line-height:1.8}

/* ===== filter ===== */
.filter-section{padding:clamp(20px,3vw,30px) 0 0}
.filter-bar{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:14px 16px;box-shadow:var(--sh);
}
.filter-bar .filter-label{
  display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ink3);
  margin-bottom:10px;letter-spacing:.02em;
}
.filter-bar .filter-label i{color:var(--coral)}
.chip-list{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;gap:6px;min-height:38px;padding:7px 15px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink2);font-size:14px;cursor:pointer;
  transition:all .2s ease;
}
.chip:hover{border-color:var(--coral);color:var(--coral);background:var(--coral-soft)}
.chip.is-active{background:var(--coral);border-color:var(--coral);color:#fff;font-weight:600}
.chip.is-active:hover{background:var(--coral-dark);color:#fff}

/* ===== activity cards ===== */
.act-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  box-shadow:var(--sh);height:100%;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.act-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:#DCCFC1}
.act-media{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt);position:relative}
.act-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.act-card:hover .act-media img{transform:scale(1.03)}
.act-flag{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);color:var(--coral);
  font-size:12px;font-weight:600;padding:5px 11px;border-radius:999px;letter-spacing:.02em;
}
.act-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.act-title{font-size:17.5px;font-weight:700;line-height:1.45}
.act-title small{display:block;font-size:13px;font-weight:500;color:var(--ink3);margin-top:4px}
.act-desc{font-size:14.5px;color:var(--ink2);line-height:1.8}
.act-meta{
  display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px;color:var(--ink3);
  margin-top:auto;padding-top:10px;border-top:1px dashed var(--line);
}
.act-meta span{display:inline-flex;align-items:center;gap:6px}
.act-meta i{font-size:11px;color:var(--teal)}
.act-card.is-wide{flex-direction:row}
.act-card.is-wide .act-media{flex:0 0 46%;aspect-ratio:auto;min-height:280px}
.act-card.is-wide .act-body{flex:1;padding:24px 26px;gap:12px}
.act-card.is-wide .act-title{font-size:21px}

/* ===== topic groups ===== */
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.topic-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 22px;
  box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease;
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.topic-card h3{font-size:18px;font-weight:700;margin-bottom:8px;line-height:1.4}
.topic-card p{font-size:14.5px;color:var(--ink2);line-height:1.8;margin-bottom:14px}
.topic-list li{
  position:relative;padding:8px 0 8px 18px;font-size:14.5px;color:var(--ink2);
  border-top:1px dashed var(--line);
}
.topic-list li::before{
  content:"";position:absolute;left:0;top:16px;width:6px;height:6px;border-radius:50%;
  background:var(--sun);
}

/* ===== steps ===== */
.step-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,3vw,34px)}
.step-item{display:flex;gap:16px;padding:22px 0 0;border-top:2px solid var(--line);transition:border-color .2s ease}
.step-item:hover{border-top-color:var(--coral)}
.step-num{
  font-size:26px;font-weight:700;color:var(--coral);line-height:1.1;
  font-variant-numeric:tabular-nums;flex:0 0 auto;
}
.step-body h3{font-size:17px;font-weight:700;margin-bottom:6px;line-height:1.4}
.step-body p{font-size:14.5px;color:var(--ink2);line-height:1.8}

/* ===== accordion ===== */
.rules-acc .accordion-item{
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-bottom:12px;
  background:#fff;box-shadow:var(--sh);
}
.rules-acc .accordion-item:last-child{margin-bottom:0}
.rules-acc .accordion-button{
  background:#fff;color:var(--ink);font-weight:600;font-size:16px;line-height:1.5;
  padding:18px 20px;box-shadow:none;border-left:4px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.rules-acc .accordion-button:not(.collapsed){
  color:var(--coral);background:#FFF9F5;border-left-color:var(--coral);box-shadow:none;
}
.rules-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--coral);outline-offset:-2px}
.rules-acc .accordion-button::after{opacity:.55}
.rules-acc .accordion-body{
  color:var(--ink2);font-size:15px;line-height:1.85;padding:0 20px 20px 24px;background:#fff;
}
.rules-acc .accordion-header{margin:0}

/* ===== download bar ===== */
.dl-bar{
  background:var(--dark);border-radius:var(--r-lg);padding:clamp(24px,3.4vw,42px);
  color:#EDE8E0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:24px;position:relative;overflow:hidden;
}
.dl-bar::before{
  content:"";position:absolute;right:-70px;bottom:-110px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,90,44,.36),rgba(232,90,44,0) 70%);pointer-events:none;
}
.dl-bar > *{position:relative;z-index:1}
.dl-bar h2{color:#fff;font-size:clamp(20px,2.2vw,27px);font-weight:700;line-height:1.35;margin-bottom:10px}
.dl-bar p{color:#B9C4BF;font-size:14.5px;line-height:1.8;margin:0;max-width:40em}
.dl-note{color:#8FA09A;font-size:13px;margin-top:12px}
.dl-btns{display:flex;flex-wrap:wrap;gap:12px}

/* ===== news ===== */
.news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);color:var(--ink);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);color:var(--ink);border-color:#DCCFC1}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:9px;flex:1;align-items:flex-start}
.news-title{
  font-size:16.5px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  font-size:14px;color:var(--ink2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;
  margin-top:auto;padding-top:10px;border-top:1px dashed var(--line);
  font-size:12.5px;color:var(--ink3);
}
.news-meta i{font-size:11px;color:var(--coral)}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:clamp(32px,5vw,56px) 24px;text-align:center;color:var(--ink3);
}
.empty-state i{display:block;font-size:28px;color:var(--coral);margin-bottom:12px}
.empty-state p{font-size:15px;margin:0}

/* ===== footer ===== */
.site-footer{background:var(--dark);color:#CFD6D2;padding:clamp(38px,5vw,64px) 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(232,90,44,.16);color:#F08A63}
.footer-brand strong{display:block;font-size:16px;color:#fff;line-height:1.3}
.footer-brand small{display:block;font-size:12px;color:#8FA09A;margin-top:2px}
.site-footer p{font-size:14px;line-height:1.85;color:#A9B5B0;margin:0}
.footer-col h4{font-size:15px;color:#fff;margin:0 0 14px;font-weight:600}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:#A9B5B0;font-size:14px;display:inline-flex;align-items:center;gap:8px;min-height:26px}
.footer-col a:hover{color:#F2B44B}
.footer-dl{display:grid;gap:10px}
.footer-dl a{color:#A9B5B0;font-size:14px;display:inline-flex;align-items:center;gap:9px;min-height:26px}
.footer-dl a:hover{color:#F2B44B}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding:18px 0 22px;
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:13px;color:#8FA09A;
}

/* ===== responsive ===== */
@media (max-width:1199.98px){
  .topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .nav-inner{min-height:62px}
  .brand-mark{width:38px;height:38px;border-radius:12px}
  .brand-text strong{font-size:15.5px}
  .brand-text small{font-size:11.5px}
  .act-card.is-wide{flex-direction:column}
  .act-card.is-wide .act-media{flex:0 0 auto;aspect-ratio:16/9;min-height:0}
  .act-card.is-wide .act-body{padding:20px}
  .act-card.is-wide .act-title{font-size:18.5px}
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-list{grid-template-columns:1fr;gap:14px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .dl-bar{flex-direction:column;align-items:flex-start}
}
@media (max-width:767.98px){
  .cat-hero{padding-top:24px}
  .cat-lead{font-size:15px}
  .filter-bar{padding:12px 14px}
  .chip{font-size:13.5px;min-height:36px;padding:6px 13px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .crumb{font-size:12.5px}
  .crumb-back{font-size:12.5px}
  .topic-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .dl-btns{width:100%}
  .dl-btns .rl-btn{flex:1 1 100%}
  .act-body{padding:16px}
  .section{padding:clamp(36px,9vw,48px) 0}
}