/* roulang page: index */
:root{
  --ink-900:#14111C;
  --ink-800:#1B1729;
  --ink-700:#262039;
  --brand-500:#35E0A1;
  --brand-600:#1FBF86;
  --accent-500:#FF7A45;
  --violet-500:#7C5CFF;
  --paper:#F4F2FA;
  --muted:#9E98B5;
  --line:rgba(255,255,255,.10);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.28);
  --sh-2:0 16px 40px rgba(0,0,0,.42);
  --wrap:1240px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--paper);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-500);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;color:var(--paper);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.wrap{max-width:1320px;}}
.section{padding:84px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;display:flex;align-items:center;gap:12px;}
.section-head h2::before{content:"";width:4px;height:24px;border-radius:2px;background:linear-gradient(135deg,var(--brand-500),var(--violet-500));display:inline-block;}
.section-desc{color:var(--muted);font-size:14px;line-height:1.7;margin-top:10px;max-width:620px;}
.text-link{font-size:14px;color:var(--brand-500);border-bottom:1px solid transparent;}
.text-link:hover{border-bottom-color:var(--brand-500);}
.badge-soft{display:inline-flex;align-items:center;gap:6px;font-size:13px;line-height:1;padding:6px 12px;border-radius:var(--r-pill);background:rgba(53,224,161,.12);color:var(--brand-500);}
.badge-hot{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;padding:5px 10px;border-radius:var(--r-pill);background:rgba(255,122,69,.14);color:var(--accent-500);}
.btn-primary,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;line-height:1;padding:14px 26px;border-radius:var(--r-pill);border:1px solid transparent;transition:all .22s ease;}
.btn-primary{background:var(--brand-500);color:#0E1A15;}
.btn-primary:hover{background:var(--brand-600);color:#0E1A15;transform:translateY(-2px);box-shadow:0 10px 24px rgba(53,224,161,.22);}
.btn-ghost{background:transparent;color:var(--brand-500);border-color:rgba(53,224,161,.6);}
.btn-ghost:hover{background:rgba(53,224,161,.12);color:var(--brand-500);}
a:focus-visible,button:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}

/* header */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(20,17,28,.72);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:all .25s ease;}
.site-header.scrolled{background:rgba(20,17,28,.94);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .25s ease;}
.site-header.scrolled .nav-wrap{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--brand-500),var(--violet-500));position:relative;flex-shrink:0;}
.brand-mark::after{content:"";position:absolute;inset:9px;border-radius:4px;background:var(--ink-900);}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--paper);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:28px;}
.nav-link{position:relative;font-size:15px;color:var(--paper);padding:6px 0;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-500);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-cta{height:44px;padding:0 26px;font-size:14px;}
.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:transparent;color:var(--paper);display:inline-flex;align-items:center;justify-content:center;transition:all .2s ease;}
.icon-btn:hover{border-color:rgba(53,224,161,.6);color:var(--brand-500);}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:transparent;position:relative;}
.menu-toggle span{position:absolute;left:12px;right:12px;height:2px;background:var(--paper);border-radius:2px;transition:all .25s ease;}
.menu-toggle span:nth-child(1){top:16px;}
.menu-toggle span:nth-child(2){bottom:16px;}
.menu-toggle.open span:nth-child(1){top:21px;transform:rotate(45deg);}
.menu-toggle.open span:nth-child(2){bottom:21px;transform:rotate(-45deg);}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(20,17,28,.98);}
.mobile-drawer.open{display:block;}
.mobile-drawer .wrap{padding-top:12px;padding-bottom:20px;}
.mobile-drawer a.drawer-link{display:block;font-size:17px;line-height:52px;border-bottom:1px solid var(--line);color:var(--paper);}
.mobile-drawer a.drawer-link.active{color:var(--brand-500);font-weight:600;}
.mobile-drawer .btn-primary{width:100%;margin-top:18px;height:50px;padding:0;}

/* hero */
.hero{position:relative;min-height:min(72vh,640px);display:flex;align-items:center;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.02);}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,17,28,.95) 0%,rgba(20,17,28,.78) 46%,rgba(20,17,28,.34) 100%);}
.hero::before{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(135deg,var(--brand-500),var(--violet-500));z-index:3;}
.hero-inner{position:relative;z-index:2;padding-top:96px;padding-bottom:96px;max-width:1240px;}
.hero-content{max-width:640px;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand-500);background:rgba(53,224,161,.12);border-radius:var(--r-pill);padding:7px 14px;margin-bottom:20px;}
.hero h1{font-size:clamp(30px,4.4vw,56px);font-weight:800;line-height:1.25;letter-spacing:.02em;margin-bottom:20px;}
.hero-sub{font-size:19px;line-height:1.7;color:var(--paper);opacity:.88;margin-bottom:34px;max-width:520px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-meta{position:absolute;right:24px;bottom:28px;z-index:2;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);}
.badge-official{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:5px 12px;border-radius:var(--r-pill);background:rgba(124,92,255,.16);color:#C6B8FF;border:1px solid rgba(124,92,255,.4);}

/* rail */
.rail{position:relative;}
.rail-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 14px;scrollbar-width:none;-ms-overflow-style:none;}
.rail-track::-webkit-scrollbar{display:none;}
.poster-card{flex:0 0 220px;scroll-snap-align:start;background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.poster-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(53,224,161,.35);}
.poster-thumb{position:relative;width:100%;aspect-ratio:2/3;overflow:hidden;}
.poster-thumb img{width:100%;height:100%;object-fit:cover;}
.poster-thumb .tag-cat{position:absolute;left:10px;bottom:10px;font-size:12px;padding:5px 10px;border-radius:var(--r-pill);background:rgba(20,17,28,.78);color:var(--brand-500);border:1px solid rgba(53,224,161,.35);}
.poster-thumb .tag-heat{position:absolute;right:10px;top:10px;font-size:12px;padding:4px 9px;border-radius:var(--r-pill);background:rgba(255,122,69,.9);color:#2A1509;font-weight:600;}
.poster-body{padding:14px 16px 16px;}
.poster-body h3{font-size:15px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.poster-body p{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.65;}
.rail-btn{position:absolute;top:38%;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:rgba(20,17,28,.7);color:var(--paper);display:inline-flex;align-items:center;justify-content:center;z-index:5;transition:all .2s ease;}
.rail-btn:hover{background:var(--brand-500);color:#0E1A15;border-color:var(--brand-500);}
.rail-btn.prev{left:-14px;}
.rail-btn.next{right:-14px;}

/* rank list */
.rank-grid{display:grid;grid-template-columns:1fr;gap:0;}
.rank-row{display:flex;align-items:center;gap:20px;padding:18px 16px;border-bottom:1px solid var(--line);transition:background .2s ease,transform .2s ease;}
.rank-row:hover{background:rgba(255,255,255,.04);transform:translateX(4px);}
.rank-num{font-size:40px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;color:transparent;-webkit-text-stroke:1.5px rgba(53,224,161,.55);min-width:64px;}
@supports not (-webkit-text-stroke:1px #000){.rank-num{color:rgba(53,224,161,.4);}}
.rank-thumb{width:96px;height:96px;border-radius:var(--r-sm);overflow:hidden;flex-shrink:0;}
.rank-thumb img{width:100%;height:100%;object-fit:cover;}
.rank-body{flex:1;min-width:0;}
.rank-body h3{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.rank-body p{font-size:14px;color:var(--muted);margin-top:6px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.rank-meta{display:flex;align-items:center;gap:14px;margin-top:10px;font-size:13px;color:var(--muted);}
.rank-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--muted);}

/* picks */
.grid-picks{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:repeat(2,180px);gap:20px;}
.pick-card{position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.pick-card img{width:100%;height:100%;object-fit:cover;}
.pick-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,17,28,0) 30%,rgba(20,17,28,.92) 100%);}
.pick-body{position:absolute;left:20px;right:20px;bottom:18px;z-index:2;}
.pick-body h3{font-size:18px;font-weight:600;line-height:1.5;}
.pick-body span{display:block;font-size:13px;color:var(--muted);margin-top:6px;}
.pick-large{grid-row:span 2;}
.pick-large .pick-body h3{font-size:23px;}
.pick-more{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:10px;padding:24px;background:var(--ink-800);border:1px dashed rgba(53,224,161,.4);border-radius:var(--r-md);}
.pick-more strong{font-size:17px;font-weight:600;}
.pick-more p{font-size:13px;color:var(--muted);line-height:1.7;}

/* news / cms */
.news-zone{background:var(--ink-800);border-radius:var(--r-lg);padding:48px 40px;border:1px solid var(--line);}
.news-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:32px;}
.news-lead{background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.news-lead:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(53,224,161,.35);}
.news-lead-img{display:block;width:100%;aspect-ratio:16/9;overflow:hidden;}
.news-lead-img img{width:100%;height:100%;object-fit:cover;}
.news-lead-body{padding:22px 24px 24px;}
.news-lead-body h3{font-size:20px;font-weight:600;line-height:1.55;margin:14px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-lead-body h3 a:hover{color:var(--brand-500);}
.news-lead-body p{font-size:14.5px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);margin-top:16px;}
.news-meta .dot{width:1px;height:12px;background:var(--line);}
.news-list li{padding:18px 0;border-bottom:1px solid var(--line);}
.news-list li:first-child{padding-top:0;}
.news-list li:last-child{border-bottom:0;padding-bottom:0;}
.news-list h3{font-size:17px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-list h3 a:hover{color:var(--brand-500);}
.news-list p{font-size:14px;color:var(--muted);line-height:1.7;margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-empty{text-align:center;padding:56px 20px;border:1px dashed var(--line);border-radius:var(--r-md);color:var(--muted);}
.news-empty strong{display:block;font-size:17px;color:var(--paper);margin-bottom:12px;font-weight:600;}

/* faq */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-wrap .accordion-item{background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-md) !important;margin-bottom:14px;overflow:hidden;}
.faq-wrap .accordion-button{background:transparent;color:var(--paper);font-size:17px;font-weight:600;line-height:1.6;padding:20px 56px 20px 22px;box-shadow:none !important;border:0;}
.faq-wrap .accordion-button:not(.collapsed){color:var(--brand-500);background:rgba(53,224,161,.06);}
.faq-wrap .accordion-button::after{display:none;}
.faq-wrap .accordion-button .faq-icon{position:absolute;right:20px;top:50%;transform:translateY(-50%);width:24px;height:24px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:15px;color:var(--brand-500);transition:transform .25s ease,background .25s ease;}
.faq-wrap .accordion-button:not(.collapsed) .faq-icon{transform:translateY(-50%) rotate(45deg);background:rgba(53,224,161,.14);}
.faq-wrap .accordion-body{font-size:15px;line-height:1.85;color:var(--muted);padding:0 22px 22px;}

/* cta */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);min-height:340px;display:flex;align-items:center;justify-content:center;text-align:center;}
.cta-band .cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,17,28,.82),rgba(20,17,28,.94));}
.cta-inner{position:relative;z-index:2;padding:64px 24px;max-width:680px;}
.cta-inner h2{font-size:clamp(24px,3vw,38px);font-weight:700;line-height:1.4;}
.cta-inner p{font-size:16px;color:var(--muted);margin:16px 0 32px;line-height:1.8;}

/* footer */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:24px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand span.brand-text{font-size:18px;}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.85;max-width:400px;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:18px;}
.footer-col a{display:block;font-size:14px;color:var(--muted);line-height:2.2;}
.footer-col a:hover{color:var(--brand-500);}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--muted);}
.footer-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.footer-tags span{font-size:12px;padding:5px 12px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--muted);}

@media (max-width:1200px){
  .rank-grid{grid-template-columns:1fr;}
  .grid-picks{grid-template-columns:2fr 1fr;grid-template-rows:repeat(3,170px);}
  .pick-large{grid-row:span 2;}
}
@media (max-width:991px){
  .section{padding:60px 0;}
  .main-nav,.nav-cta{display:none;}
  .menu-toggle{display:inline-flex;}
  .nav-wrap{height:64px;}
  .news-zone{padding:34px 22px;}
  .news-grid{grid-template-columns:1fr;gap:24px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px;}
  .hero-inner{padding-top:72px;padding-bottom:72px;}
  .hero:after{background:linear-gradient(180deg,rgba(20,17,28,.82) 0%,rgba(20,17,28,.94) 100%);}
  .hero-meta{position:relative;right:auto;bottom:auto;margin-top:26px;padding-bottom:8px;}
  .rail-btn{display:none;}
}
@media (max-width:767px){
  .grid-picks{grid-template-columns:1fr;grid-template-rows:repeat(4,200px);}
  .pick-large{grid-row:span 1;}
  .rank-row{gap:14px;padding:16px 8px;}
  .rank-num{font-size:30px;min-width:44px;}
  .rank-thumb{width:76px;height:76px;}
  .rank-body h3{font-size:16px;}
  .poster-card{flex:0 0 180px;}
  .hero-sub{font-size:17px;}
  .footer-top{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .section{padding:44px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:24px;}
  .hero h1{font-size:28px;}
  .hero-cta .btn-primary,.hero-cta .btn-ghost{width:100%;}
  .news-lead-body{padding:18px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --ink-900:#14111C;
  --ink-800:#1B1729;
  --ink-700:#262039;
  --brand-500:#35E0A1;
  --brand-600:#1FBF86;
  --accent-500:#FF7A45;
  --violet-500:#7C5CFF;
  --paper:#F4F2FA;
  --muted:#9E98B5;
  --line:rgba(255,255,255,.10);
  --read-bg:#FBFAFF;
  --read-ink:#1A1726;
  --read-muted:#5A5570;
  --r-sm:10px;
  --r-card:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.28);
  --sh-2:0 16px 40px rgba(0,0,0,.42);
  --container:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--paper);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:1.25em}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
::selection{background:rgba(53,224,161,.32)}

.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* 头部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(20,17,28,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease;
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .25s ease}
.site-header.scrolled .header-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:11px;font-size:18px;font-weight:700;letter-spacing:.02em;color:var(--paper);flex:0 0 auto}
.brand-mark{position:relative;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand-500),var(--violet-500))}
.brand-mark::after{content:"";position:absolute;inset:9px;border-radius:4px;background:var(--ink-900);opacity:.86}
.brand:hover .brand-mark{box-shadow:0 0 0 1px rgba(53,224,161,.4)}

.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.main-nav .nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  line-height:1.4;
  color:#CFC9E0;
  border-radius:var(--r-sm);
  transition:color .2s ease,background .2s ease;
}
.main-nav .nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--brand-500);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease;
}
.main-nav .nav-link:hover{color:#fff}
.main-nav .nav-link:hover::after{transform:scaleX(1)}
.main-nav .nav-link.active{color:var(--brand-500)}
.main-nav .nav-link.active::after{transform:scaleX(1)}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 26px;
  border-radius:var(--r-pill);
  background:var(--brand-500);
  color:#0E1A15;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-cta:hover{background:var(--brand-600);color:#08120E;transform:translateY(-2px);box-shadow:0 12px 26px rgba(53,224,161,.26)}
.btn-cta:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 24px;
  border-radius:14px;
  border:1px solid var(--brand-500);
  color:var(--brand-500);
  font-size:15px;font-weight:600;
  background:transparent;
  transition:background .2s ease,transform .2s ease,color .2s ease;
}
.btn-ghost:hover{background:rgba(53,224,161,.12);color:#8BF2CB;transform:translateY(-2px)}
.icon-btn{
  width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--brand-500);border-color:rgba(53,224,161,.5);background:rgba(53,224,161,.08)}
.burger{display:none;position:relative;width:44px;height:44px;border-radius:12px;border:1px solid var(--line)}
.burger span{position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--paper);transition:transform .25s ease,top .25s ease,bottom .25s ease}
.burger span:nth-child(1){top:16px}
.burger span:nth-child(2){bottom:16px}
.site-header.nav-open .burger span:nth-child(1){top:21px;transform:rotate(45deg)}
.site-header.nav-open .burger span:nth-child(2){bottom:21px;transform:rotate(-45deg)}
.drawer-foot{display:none}

/* 文章页头 */
.article-hero{
  position:relative;
  padding:52px 0 74px;
  background:linear-gradient(90deg,rgba(20,17,28,.95) 0%,rgba(20,17,28,.74) 55%,rgba(20,17,28,.58) 100%),
             url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.article-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(135deg,var(--brand-500),var(--violet-500))}
.hero-inner{max-width:900px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--muted);margin-bottom:26px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand-500)}
.crumbs .sep{margin:0 8px;opacity:.45}
.crumbs .current{color:var(--paper)}
.badge-cat{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:var(--brand-500);
  background:rgba(53,224,161,.10);
  border:1px solid rgba(53,224,161,.45);
}
.article-title{
  font-size:clamp(26px,3.4vw,34px);
  font-weight:700;
  line-height:1.35;
  letter-spacing:.02em;
  margin:18px 0 20px;
  max-width:900px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;font-size:13.5px;color:var(--muted);row-gap:6px}
.meta-row span{padding:0 14px;border-left:1px solid var(--line)}
.meta-row span:first-child{padding-left:0;border-left:0}

/* 阅读区 */
.article-main{padding:0 0 12px}
.article-shell{max-width:860px;margin:0 auto;padding:0 24px}
.article-card{
  position:relative;
  margin-top:-40px;
  padding:44px 44px 40px;
  background:var(--read-bg);
  color:var(--read-ink);
  border-radius:var(--r-lg);
  box-shadow:0 24px 60px rgba(0,0,0,.42);
}
.article-cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card);margin-bottom:30px}
.article-content{font-size:17px;line-height:1.9;letter-spacing:.01em;color:var(--read-ink)}
.article-content p{margin:0 0 1.1em}
.article-content h2{
  font-size:21px;font-weight:700;line-height:1.5;
  padding-left:14px;border-left:4px solid var(--brand-600);
  margin:2em 0 .85em;color:#15121F;letter-spacing:.02em;
}
.article-content h3{font-size:18px;font-weight:600;line-height:1.6;margin:1.6em 0 .7em;color:#15121F}
.article-content ul,.article-content ol{margin:0 0 1.1em;padding-left:1.3em}
.article-content li{margin-bottom:.5em;line-height:1.8}
.article-content blockquote{
  margin:1.4em 0;padding:16px 20px;
  border-left:3px solid var(--brand-600);
  background:rgba(53,224,161,.10);
  border-radius:0 12px 12px 0;
  color:#3C3852;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content a{color:#128A62;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-content a:hover{color:#0B6B4B}
.article-content img{border-radius:12px;margin:1.2em 0}
.article-content figure{margin:1.4em 0}
.article-content figcaption{font-size:13px;color:var(--read-muted);text-align:center;margin-top:8px}
.article-content table{
  display:block;width:100%;max-width:100%;overflow-x:auto;
  border-collapse:collapse;font-size:15px;margin:1.4em 0;
}
.article-content th,.article-content td{border-bottom:1px solid rgba(26,23,38,.12);padding:10px 12px;text-align:left;white-space:nowrap}
.article-content th{background:rgba(26,23,38,.045);font-weight:600}
.article-content code{background:rgba(26,23,38,.06);padding:2px 6px;border-radius:6px;font-size:.92em}

.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(26,23,38,.10)}
.tag-row .tag-label{font-size:13px;color:var(--read-muted);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:#0F7A57;
  background:rgba(53,224,161,.14);
  border:1px solid rgba(53,224,161,.28);
  transition:background .2s ease,color .2s ease;
}
.tag:hover{background:rgba(53,224,161,.26);color:#0A5A40}

.empty-state{text-align:center;padding:44px 0 10px}
.empty-state h2{font-size:22px;font-weight:700;color:#15121F;margin-bottom:12px}
.empty-state p{font-size:15.5px;color:var(--read-muted);line-height:1.8;max-width:520px;margin:0 auto 24px}
.empty-state .btn-cta{background:var(--brand-600);color:#08120E}

/* 相关推荐 */
.related{padding:76px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-head h2{position:relative;padding-left:14px;font-size:clamp(20px,2.4vw,26px);font-weight:700;letter-spacing:.02em}
.section-head h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;border-radius:2px;background:linear-gradient(135deg,var(--brand-500),var(--violet-500))}
.section-head .more{font-size:14px;color:var(--muted)}
.section-head .more:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:block;
  background:var(--ink-700);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(53,224,161,.35)}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rel-body{padding:18px 18px 20px}
.rel-body h3{
  font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body p{
  font-size:14px;line-height:1.7;color:var(--muted);margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.rel-meta .cat{color:var(--brand-500)}
.back-row{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:42px}
.back-links{display:flex;flex-wrap:wrap;gap:20px;font-size:14px;color:var(--muted)}
.back-links a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px}

/* CTA */
.cta-band{
  margin-top:80px;
  padding:84px 0;
  text-align:center;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:linear-gradient(rgba(20,17,28,.86),rgba(20,17,28,.93)),
             url('/assets/images/backpic/back-3.png') center/cover no-repeat;
}
.cta-band h2{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.4;letter-spacing:.02em;margin-bottom:12px}
.cta-band p{font-size:16px;color:var(--muted);margin-bottom:26px}

/* 页脚 */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:60px 0 26px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:14px}
.footer-brand .brand-mark{width:28px;height:28px;border-radius:9px}
.footer-brand .brand-mark::after{inset:7px}
.footer-desc{font-size:14.5px;line-height:1.85;color:var(--muted);max-width:430px;margin-bottom:18px}
.footer-tags{display:flex;flex-wrap:wrap;gap:10px}
.footer-tags span{font-size:13px;color:var(--brand-500);background:rgba(53,224,161,.10);border:1px solid rgba(53,224,161,.22);padding:5px 12px;border-radius:var(--r-pill)}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:14px}
.footer-col a{display:block;font-size:14.5px;color:var(--muted);line-height:2.2;transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--brand-500);padding-left:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
}

@media (min-width:1400px){.wrap{max-width:1320px}}
@media (max-width:1024px){
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:992px){
  .main-nav{
    position:fixed;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:2px;
    margin-left:0;padding:14px 16px 22px;
    background:var(--ink-800);
    border-bottom:1px solid var(--line);
    max-height:calc(100vh - 72px);overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  }
  .site-header.nav-open .main-nav{opacity:1;visibility:visible;transform:translateY(0)}
  .main-nav .nav-link{padding:14px 16px;font-size:17px;border-radius:12px}
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.active{background:rgba(53,224,161,.10);color:var(--brand-500)}
  .burger{display:inline-flex}
  .header-actions .btn-cta{display:none}
  .drawer-foot{
    display:block;position:fixed;left:16px;right:16px;bottom:20px;z-index:1002;
    opacity:0;visibility:hidden;transform:translateY(10px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  }
  .site-header.nav-open .drawer-foot{opacity:1;visibility:visible;transform:translateY(0)}
  .drawer-foot .btn-cta{width:100%;height:52px}
  .article-hero{padding:36px 0 62px}
}
@media (max-width:768px){
  .article-card{padding:28px 22px 30px;margin-top:-26px;border-radius:18px}
  .article-content{font-size:16.5px}
  .article-content h2{font-size:19.5px}
  .article-content h3{font-size:17px}
  .article-hero{padding:28px 0 56px}
  .article-title{margin:14px 0 16px}
  .meta-row span{padding:0 10px}
  .related{padding-top:56px}
  .rel-grid{grid-template-columns:1fr}
  .cta-band{margin-top:60px;padding:60px 0}
  .footer-top{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .wrap{padding:0 18px}
  .article-shell{padding:0 18px}
  .brand{font-size:16px}
  .brand-mark{width:30px;height:30px}
  .article-content{font-size:16px;line-height:1.85}
  .article-content p{margin-bottom:1em}
  .back-row{gap:12px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category1 */
:root{
  --ink-900:#14111C;
  --ink-800:#1B1729;
  --ink-700:#262039;
  --brand-500:#35E0A1;
  --brand-600:#1FBF86;
  --accent-500:#FF7A45;
  --violet-500:#7C5CFF;
  --paper:#F4F2FA;
  --muted:#9E98B5;
  --line:rgba(255,255,255,.10);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.28);
  --shadow-2:0 16px 40px rgba(0,0,0,.42);
  --container:1240px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--paper);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,opacity .22s ease;}
h1,h2,h3,h4{margin:0;letter-spacing:.02em;line-height:1.35;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.sec-title{font-size:clamp(22px,2.4vw,30px);position:relative;padding-left:16px;}
.sec-title::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:3px;background:linear-gradient(135deg,var(--brand-500),var(--violet-500));}
.sec-desc{color:var(--muted);font-size:15px;max-width:560px;margin-top:10px;}
.link-more{color:var(--brand-500);font-size:15px;font-weight:600;white-space:nowrap;}
.link-more:hover{text-decoration:underline;text-underline-offset:3px;color:var(--brand-600);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(20,17,28,.84);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color .28s ease,box-shadow .28s ease;
}
.site-header.is-scrolled{background:rgba(20,17,28,.96);box-shadow:0 10px 30px rgba(0,0,0,.35);}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;transition:height .28s ease;}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:26px;height:26px;border-radius:9px;background:linear-gradient(135deg,var(--brand-500),var(--violet-500));position:relative;flex:0 0 auto;}
.brand-mark::after{content:"";position:absolute;inset:8px;border-radius:3px;background:var(--ink-900);opacity:.85;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.03em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.main-nav .nav-link{
  display:inline-block;position:relative;
  padding:10px 14px;font-size:15px;color:var(--muted);border-radius:var(--radius-s);
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  background:var(--brand-500);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.main-nav .nav-link:hover{color:var(--paper);background:rgba(255,255,255,.04);}
.main-nav .nav-link:hover::after{transform:scaleX(1);}
.main-nav .nav-link.active{color:var(--brand-500);font-weight:600;}
.main-nav .nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 26px;border-radius:var(--pill);
  background:var(--brand-500);color:#0D1A15;font-size:15px;font-weight:700;
  border:1px solid transparent;transition:transform .22s ease,background-color .22s ease,box-shadow .22s ease;
}
.btn-cta:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 10px 24px rgba(53,224,161,.22);}
.btn-cta:active{transform:translateY(0);}
.icon-btn{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);color:var(--paper);cursor:pointer;
  transition:border-color .22s ease,color .22s ease,background-color .22s ease;
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-500);background:rgba(53,224,161,.08);}
.icon-btn svg{width:18px;height:18px;}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;background:transparent;border:1px solid var(--line);cursor:pointer;position:relative;}
.menu-toggle span{position:absolute;left:12px;right:12px;height:2px;background:var(--paper);border-radius:2px;transition:transform .26s ease,opacity .2s ease;}
.menu-toggle span:nth-child(1){top:17px;}
.menu-toggle span:nth-child(2){bottom:17px;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){transform:translateY(-8px) rotate(-45deg);}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(20,17,28,.98);padding:12px 24px 24px;}
.mobile-drawer.is-open{display:block;}
.drawer-link{display:block;font-size:17px;line-height:52px;color:var(--paper);border-bottom:1px solid var(--line);}
.drawer-link.active{color:var(--brand-500);font-weight:600;}
.drawer-cta{width:100%;margin-top:18px;height:48px;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;display:flex;align-items:center;
  min-height:310px;
  background-image:linear-gradient(100deg,rgba(20,17,28,.94) 0%,rgba(20,17,28,.72) 52%,rgba(20,17,28,.46) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(135deg,var(--brand-500),var(--violet-500));}
.page-hero .wrap{padding-top:56px;padding-bottom:56px;position:relative;z-index:1;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap;}
.crumb a:hover{color:var(--brand-500);}
.crumb .sep{opacity:.5;}
.crumb .current{color:var(--brand-500);}
.page-hero h1{font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.3;max-width:780px;}
.page-hero .hero-sub{margin-top:14px;font-size:17px;color:#CFC9DE;max-width:640px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

/* ---------- badges ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;line-height:1;padding:8px 14px;border-radius:var(--pill);
  background:rgba(53,224,161,.12);color:var(--brand-500);border:1px solid rgba(53,224,161,.24);
}
.badge-warm{background:rgba(255,122,69,.14);color:var(--accent-500);border-color:rgba(255,122,69,.28);}

/* ---------- filter bar ---------- */
.filter-bar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:22px 24px;border:1px solid var(--line);border-radius:var(--radius-l);
  background:var(--ink-800);
}
.filter-label{font-size:13px;color:var(--muted);margin-right:4px;}
.chip{
  display:inline-flex;align-items:center;
  padding:9px 16px;border-radius:var(--pill);font-size:14px;color:var(--muted);
  border:1px solid var(--line);background:rgba(255,255,255,.03);cursor:pointer;
  transition:all .22s ease;
}
.chip:hover{color:var(--paper);border-color:rgba(53,224,161,.4);}
.chip.is-active{background:rgba(53,224,161,.12);color:var(--brand-500);border-color:rgba(53,224,161,.45);font-weight:600;}

/* ---------- poster wall ---------- */
.poster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.poster-card{
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.poster-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(53,224,161,.35);}
.poster-media{position:relative;aspect-ratio:2/3;overflow:hidden;background:var(--ink-800);}
.poster-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.poster-card:hover .poster-media img{transform:scale(1.05);}
.poster-media::after{content:"";position:absolute;inset:auto 0 0 0;height:52%;background:linear-gradient(180deg,transparent,rgba(20,17,28,.72));}
.poster-tag{
  position:absolute;left:12px;bottom:12px;z-index:2;
  font-size:12px;padding:6px 11px;border-radius:var(--pill);
  background:rgba(53,224,161,.16);color:#8CF3CE;border:1px solid rgba(53,224,161,.32);
  backdrop-filter:blur(4px);
}
.poster-hot{
  position:absolute;right:12px;top:12px;z-index:2;
  font-size:12px;padding:6px 10px;border-radius:10px;
  background:rgba(255,122,69,.9);color:#2A1108;font-weight:700;
}
.poster-body{padding:18px;}
.poster-title{
  font-size:16px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:48px;
}
.poster-card:hover .poster-title{color:var(--brand-500);}
.poster-meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin-top:12px;}
.poster-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--muted);opacity:.6;}

/* ---------- rank list ---------- */
.rank-list{border-top:1px solid var(--line);}
.rank-row{
  display:flex;align-items:center;gap:20px;
  padding:18px 12px;border-bottom:1px solid var(--line);
  transition:background-color .24s ease,transform .24s ease;
}
.rank-row:hover{background:rgba(255,255,255,.045);transform:translateX(4px);}
.rank-num{
  font-size:40px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(53,224,161,.55);
  min-width:62px;font-variant-numeric:tabular-nums;
}
.rank-thumb{width:96px;height:96px;border-radius:12px;overflow:hidden;flex:0 0 auto;background:var(--ink-700);}
.rank-thumb img{width:100%;height:100%;object-fit:cover;}
.rank-main{flex:1 1 auto;min-width:0;}
.rank-main h3{font-size:17px;font-weight:600;line-height:1.5;}
.rank-main p{font-size:14px;color:var(--muted);margin-top:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rank-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);flex:0 0 auto;}

/* ---------- stats ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;
}
.stat-item{background:var(--ink-800);padding:28px 26px;}
.stat-num{font-size:32px;font-weight:800;color:var(--brand-500);font-variant-numeric:tabular-nums;line-height:1.1;}
.stat-label{font-size:14px;color:var(--muted);margin-top:8px;}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion-item{
  background:var(--ink-800);border:1px solid var(--line)!important;
  border-radius:var(--radius-m)!important;overflow:hidden;margin-bottom:12px;
}
.accordion-button{
  display:flex;align-items:center;gap:16px;width:100%;
  background:transparent!important;color:var(--paper)!important;
  font-size:17px;font-weight:600;padding:20px 22px;box-shadow:none!important;
  border-radius:var(--radius-m)!important;
}
.accordion-button:not(.collapsed){color:var(--brand-500)!important;background:rgba(53,224,161,.05)!important;}
.accordion-button::after{display:none!important;}
.accordion-button:focus{border-color:transparent!important;}
.faq-icon{
  width:24px;height:24px;border-radius:50%;border:1px solid var(--line);
  position:relative;flex:0 0 auto;margin-left:auto;transition:transform .3s ease,border-color .3s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-500);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;}
.accordion-button:not(.collapsed) .faq-icon{transform:rotate(45deg);border-color:rgba(53,224,161,.6);}
.accordion-body{padding:0 22px 22px;color:#CFC9DE;font-size:15px;line-height:1.85;border-top:1px solid var(--line);padding-top:18px;}

/* ---------- cta ---------- */
.cta-band{
  position:relative;display:grid;place-items:center;text-align:center;
  min-height:340px;padding:72px 24px;
  background-image:linear-gradient(180deg,rgba(20,17,28,.8),rgba(20,17,28,.9)),url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-band h2{font-size:clamp(24px,3vw,34px);max-width:760px;}
.cta-band p{color:#CFC9DE;font-size:16px;margin:16px auto 28px;max-width:560px;}
.btn-primary-pill{
  display:inline-flex;align-items:center;justify-content:center;
  height:52px;padding:0 34px;border-radius:var(--pill);
  background:var(--brand-500);color:#0D1A15;font-size:16px;font-weight:700;border:1px solid transparent;
  transition:transform .22s ease,background-color .22s ease,box-shadow .22s ease;
}
.btn-primary-pill:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 14px 30px rgba(53,224,161,.24);}
.btn-ghost-pill{
  display:inline-flex;align-items:center;justify-content:center;
  height:52px;padding:0 30px;border-radius:var(--pill);
  background:transparent;color:var(--brand-500);font-size:16px;font-weight:600;
  border:1px solid rgba(53,224,161,.6);
  transition:background-color .22s ease,color .22s ease,transform .22s ease;
}
.btn-ghost-pill:hover{background:rgba(53,224,161,.12);transform:translateY(-2px);color:var(--brand-500);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:64px 0 28px;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{font-size:17px;font-weight:800;}
.footer-desc{color:var(--muted);font-size:14.5px;max-width:420px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-tags span{font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:var(--pill);padding:6px 13px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col a{display:block;font-size:14.5px;color:var(--muted);line-height:2.1;}
.footer-col a:hover{color:var(--brand-500);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .poster-grid{grid-template-columns:repeat(3,1fr);}
  .main-nav .nav-link{padding:10px 10px;font-size:14.5px;}
}
@media (max-width:992px){
  .main-nav{display:none;}
  .menu-toggle{display:inline-block;}
  .header-actions .btn-cta{display:none;}
  .section{padding:60px 0;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .wrap{padding:0 18px;}
  .poster-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .poster-body{padding:14px;}
  .poster-title{font-size:15px;min-height:44px;}
  .rank-row{gap:14px;padding:16px 8px;}
  .rank-num{font-size:30px;min-width:46px;}
  .rank-thumb{width:72px;height:72px;}
  .rank-meta{display:none;}
  .page-hero .wrap{padding-top:40px;padding-bottom:40px;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .section-tight{padding:44px 0;}
}
@media (max-width:520px){
  .poster-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .stat-strip{grid-template-columns:1fr;}
  .page-hero h1{font-size:25px;}
  .btn-cta,.btn-primary-pill,.btn-ghost-pill{width:100%;}
  .cta-band{padding:52px 18px;min-height:280px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (min-width:1400px){
  :root{--container:1320px;}
}

/* roulang page: category2 */
:root{
  --ink-900:#14111C;
  --ink-800:#1B1729;
  --ink-700:#262039;
  --brand-500:#35E0A1;
  --brand-600:#1FBF86;
  --accent-500:#FF7A45;
  --violet-500:#7C5CFF;
  --paper:#F4F2FA;
  --muted:#9E98B5;
  --line:rgba(255,255,255,.10);
  --radius-sm:10px;
  --radius-card:16px;
  --radius-lg:24px;
  --shadow-card:0 8px 24px rgba(0,0,0,.28);
  --shadow-hover:0 16px 40px rgba(0,0,0,.42);
  --space-block:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--paper);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:.02em;font-weight:700;line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}

.wrap{max-width:1240px;margin:0 auto;padding:0 24px;width:100%;}
.section{padding:var(--space-block) 0;}
.section-tight{padding:56px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--brand-500);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:14px;height:3px;border-radius:2px;background:linear-gradient(135deg,var(--brand-500),var(--violet-500));}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);}
.sec-head p{color:var(--muted);font-size:15px;max-width:620px;margin-top:10px;}
.more-link{font-size:14px;color:var(--brand-500);border-bottom:1px solid rgba(53,224,161,.35);padding-bottom:3px;}
.more-link:hover{color:var(--brand-600);border-color:var(--brand-600);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(20,17,28,.74);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(20,17,28,.94);}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height .25s ease;}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:26px;height:26px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand-500),var(--violet-500));
  position:relative;flex:none;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;border-radius:3px;
  background:var(--ink-900);opacity:.85;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--radius-sm);
  font-size:15px;color:var(--muted);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;border-radius:2px;
}
.nav-link:hover{color:var(--paper);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-500);}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;flex:none;}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 26px;border-radius:999px;border:0;
  background:var(--brand-500);color:#0D0B14;font-weight:600;font-size:15px;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-solid:hover{background:var(--brand-600);color:#0D0B14;transform:translateY(-2px);box-shadow:0 10px 24px rgba(31,191,134,.28);}
.icon-btn{
  width:44px;height:44px;flex:none;display:grid;place-items:center;
  border-radius:12px;border:1px solid var(--line);background:transparent;color:var(--paper);
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.icon-btn:hover{border-color:rgba(53,224,161,.55);color:var(--brand-500);background:rgba(53,224,161,.08);}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:transparent;position:relative;}
.burger span{position:absolute;left:13px;right:13px;height:2px;background:var(--paper);border-radius:2px;transition:transform .25s ease,opacity .2s ease;}
.burger span:nth-child(1){top:18px;}
.burger span:nth-child(2){top:25px;}
.burger.open span:nth-child(1){transform:translateY(3.5px) rotate(45deg);}
.burger.open span:nth-child(2){transform:translateY(-3.5px) rotate(-45deg);}

/* drawer */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:120;
  background:var(--ink-800);border-left:1px solid var(--line);
  padding:88px 22px 26px;transform:translateX(102%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer a.drawer-link{
  display:block;font-size:17px;line-height:52px;color:var(--paper);
  border-bottom:1px solid var(--line);
}
.drawer a.drawer-link.active{color:var(--brand-500);}
.drawer .btn-solid{width:100%;margin-top:22px;}
.scrim{position:fixed;inset:0;background:rgba(8,6,14,.6);opacity:0;visibility:hidden;transition:opacity .3s ease;z-index:110;}
.scrim.open{opacity:1;visibility:visible;}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;isolation:isolate;overflow:hidden;
  min-height:340px;display:flex;align-items:center;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(20,17,28,.96) 8%,rgba(20,17,28,.72) 52%,rgba(20,17,28,.45) 100%);
}
.cat-hero .hero-inner{padding:76px 0 72px;max-width:760px;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap;}
.crumbs a:hover{color:var(--brand-500);}
.crumbs .sep{opacity:.5;}
.crumbs .now{color:var(--paper);}
.cat-hero h1{
  font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.3;
  margin-bottom:14px;
}
.cat-hero h1 em{font-style:normal;color:var(--brand-500);}
.hero-sub{font-size:17px;color:#CFC9E0;max-width:640px;line-height:1.8;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;padding:6px 14px;border-radius:999px;
  background:rgba(53,224,161,.12);color:var(--brand-500);
}
.chip.warm{background:rgba(255,122,69,.13);color:var(--accent-500);}
.chip.ghost{background:transparent;border:1px solid var(--line);color:var(--muted);}
.hero-line{position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(135deg,var(--brand-500),var(--violet-500));}

/* ---------- layout two column ---------- */
.layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:44px;align-items:start;}
.toc{position:sticky;top:96px;}
.toc h3{font-size:14px;color:var(--muted);font-weight:600;letter-spacing:.08em;margin-bottom:14px;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:11px 12px 11px 16px;border-radius:var(--radius-sm);
  font-size:15px;color:var(--muted);transition:background-color .2s ease,color .2s ease;
}
.toc-list a::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;
  background:transparent;transition:background-color .2s ease;
}
.toc-list a:hover{background:var(--ink-700);color:var(--paper);}
.toc-list a.current{background:var(--ink-700);color:var(--brand-500);font-weight:600;}
.toc-list a.current::before{background:var(--brand-500);}
.toc-list a .cnt{font-size:12px;color:var(--muted);background:rgba(255,255,255,.06);padding:2px 8px;border-radius:999px;}
.toc-note{
  margin-top:22px;padding:16px;border-radius:var(--radius-card);
  background:var(--ink-800);border:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.75;
}

/* ---------- guide cards ---------- */
.guide-list{display:flex;flex-direction:column;gap:18px;}
.guide-card{
  display:grid;grid-template-columns:200px minmax(0,1fr);gap:22px;
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(53,224,161,.3);}
.guide-thumb{
  width:200px;aspect-ratio:5/3;border-radius:12px;overflow:hidden;flex:none;
  background:var(--ink-800);
}
.guide-thumb img{width:100%;height:100%;object-fit:cover;}
.guide-body{display:flex;flex-direction:column;min-width:0;}
.guide-body h3{font-size:19px;line-height:1.5;margin-bottom:10px;}
.guide-body h3 a:hover{color:var(--brand-500);}
.guide-body p{
  font-size:14.5px;color:var(--muted);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.guide-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);margin-top:auto;flex-wrap:wrap;}
.badge-soft{display:inline-flex;padding:4px 12px;border-radius:999px;font-size:13px;background:rgba(53,224,161,.12);color:var(--brand-500);}
.badge-soft.warm{background:rgba(255,122,69,.13);color:var(--accent-500);}
.dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.step{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;position:relative;
}
.step .num{
  font-size:34px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.4px rgba(53,224,161,.55);
  margin-bottom:16px;display:block;letter-spacing:.02em;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- points ---------- */
.points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.point{
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-card);transition:transform .25s ease,box-shadow .25s ease;
}
.point:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.point .kpi{display:flex;align-items:baseline;gap:8px;margin-bottom:14px;}
.point .kpi strong{font-size:30px;font-weight:800;color:var(--brand-500);line-height:1;letter-spacing:.01em;}
.point .kpi span{font-size:13px;color:var(--muted);}
.point h3{font-size:17px;margin-bottom:10px;}
.point p{font-size:14px;color:var(--muted);line-height:1.8;}
.point ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.point ul li{font-size:14px;color:#CFC9E0;padding-left:16px;position:relative;line-height:1.7;}
.point ul li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:2px;background:var(--brand-500);opacity:.8;}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion-item{
  background:var(--ink-700)!important;border:1px solid var(--line)!important;
  border-radius:var(--radius-card)!important;overflow:hidden;margin-bottom:14px;
}
.accordion-button{
  background:var(--ink-700)!important;color:var(--paper)!important;
  font-size:17px;font-weight:600;padding:20px 22px;box-shadow:none!important;
  line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--brand-500)!important;background:rgba(53,224,161,.06)!important;}
.accordion-button::after{
  background-image:none!important;content:"+";
  width:24px;height:24px;flex:none;border-radius:50%;
  border:1px solid rgba(255,255,255,.22);color:var(--brand-500);
  display:grid;place-items:center;font-size:15px;line-height:1;
  transition:transform .25s ease,background-color .25s ease,border-color .25s ease;
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);background:rgba(53,224,161,.16);border-color:rgba(53,224,161,.55);
}
.accordion-body{padding:4px 22px 22px;font-size:15px;line-height:1.85;color:#CFC9E0;}

/* ---------- cta ---------- */
.cta-band{
  position:relative;isolation:isolate;overflow:hidden;
  min-height:360px;display:flex;align-items:center;justify-content:center;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url("/assets/images/backpic/back-3.png") center/cover no-repeat;
}
.cta-band::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(20,17,28,.92),rgba(20,17,28,.82));
}
.cta-band .cta-inner{padding:76px 0;max-width:680px;}
.cta-band h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.cta-band p{font-size:16px;color:#CFC9E0;margin-bottom:28px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 30px;border-radius:999px;
  border:1px solid rgba(53,224,161,.6);color:var(--brand-500);font-weight:600;font-size:15px;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(53,224,161,.14);color:var(--brand-500);transform:translateY(-2px);}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:24px;height:24px;border-radius:8px;}
.footer-brand .brand-text{font-size:17px;font-weight:700;}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.85;max-width:420px;}
.footer-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px;}
.footer-tags span{font-size:13px;padding:5px 13px;border-radius:999px;background:rgba(255,255,255,.06);color:#CFC9E0;}
.footer-col h4{font-size:14px;color:var(--paper);margin-bottom:18px;letter-spacing:.06em;}
.footer-col a{display:block;font-size:14px;color:var(--muted);line-height:2.3;}
.footer-col a:hover{color:var(--brand-500);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* ---------- responsive ---------- */
@media (min-width:1400px){ .wrap{max-width:1320px;} }
@media (max-width:1199px){
  :root{--space-block:76px;}
  .layout{gap:32px;}
}
@media (max-width:991px){
  :root{--space-block:64px;}
  .main-nav,.header-actions .btn-solid{display:none;}
  .burger{display:block;}
  .header-actions{margin-left:auto;}
  .layout{grid-template-columns:1fr;gap:28px;}
  .toc{position:static;top:auto;}
  .toc h3{margin-bottom:12px;}
  .toc-list{
    flex-direction:row;overflow-x:auto;gap:10px;padding-bottom:6px;
    scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none;
  }
  .toc-list::-webkit-scrollbar{display:none;}
  .toc-list a{
    flex:none;scroll-snap-align:start;border:1px solid var(--line);
    border-radius:999px;padding:8px 16px;background:var(--ink-800);font-size:14px;
  }
  .toc-list a::before{display:none;}
  .toc-list a .cnt{display:none;}
  .toc-note{display:none;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .points{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .cat-hero .hero-inner{padding:54px 0 52px;}
  .guide-card{grid-template-columns:1fr;gap:16px;}
  .guide-thumb{width:100%;aspect-ratio:16/9;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:575px){
  :root{--space-block:48px;}
  body{font-size:15.5px;}
  .brand-text{font-size:16px;}
  .steps{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .cta-actions .btn-solid,.cta-actions .btn-ghost{width:100%;}
  .point{padding:22px 18px;}
}

/* roulang page: category3 */
:root{
  --ink-900:#14111C;
  --ink-800:#1B1729;
  --ink-700:#262039;
  --brand-500:#35E0A1;
  --brand-600:#1FBF86;
  --accent-500:#FF7A45;
  --violet-500:#7C5CFF;
  --paper:#F4F2FA;
  --muted:#9E98B5;
  --line:rgba(255,255,255,.10);
  --radius-sm:10px;
  --radius-card:16px;
  --radius-lg:24px;
  --shadow-rest:0 8px 24px rgba(0,0,0,.28);
  --shadow-hover:0 16px 40px rgba(0,0,0,.42);
  --wrap:1240px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--paper);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease;}
a:hover{color:var(--brand-500);}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px;}
h1,h2,h3,h4{margin:0;letter-spacing:.02em;line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.wrap{max-width:1320px;}}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(20,17,28,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color .25s ease;
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand-500) 0%,var(--violet-500) 100%);
  position:relative;
  flex-shrink:0;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:4px;
  background:var(--ink-900);opacity:.82;
}
.brand-text{font-size:16px;font-weight:800;letter-spacing:.03em;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--brand-500);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1;}
.main-nav .nav-link{
  display:inline-flex;align-items:center;
  font-size:15px;color:var(--paper);
  padding:8px 12px;border-radius:10px;
  position:relative;white-space:nowrap;
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.main-nav .nav-link:hover{color:var(--brand-500);}
.main-nav .nav-link:hover::after{transform:scaleX(1);}
.main-nav .nav-link.active{color:var(--brand-500);}
.main-nav .nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.btn-nav{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 26px;border-radius:999px;
  background:var(--brand-500);color:#0C1118;font-weight:600;font-size:15px;
  border:1px solid transparent;white-space:nowrap;
}
.btn-nav:hover{background:var(--brand-600);color:#0C1118;transform:translateY(-2px);}
.icon-btn{
  width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:transparent;color:var(--paper);
  font-size:15px;
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-500);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:transparent;color:var(--paper);
  align-items:center;justify-content:center;
}
.nav-toggle i{font-size:18px;}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);
  background:var(--ink-800);padding:12px 24px 24px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;font-size:17px;line-height:52px;color:var(--paper);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.active{color:var(--brand-500);}
.mobile-drawer .btn-nav{width:100%;margin-top:18px;line-height:44px;}

/* ============ HERO ============ */
.cat-hero{
  position:relative;min-height:320px;display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,17,28,.96) 0%,rgba(20,17,28,.80) 45%,rgba(20,17,28,.52) 100%);
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(135deg,var(--brand-500) 0%,var(--violet-500) 100%);
}
.cat-hero .wrap{position:relative;z-index:2;padding-top:56px;padding-bottom:56px;}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);margin-bottom:18px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand-500);}
.crumb .sep{opacity:.5;}
.crumb .current{color:var(--brand-500);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;padding:5px 14px;border-radius:999px;
  background:rgba(53,224,161,.12);color:var(--brand-500);
  border:1px solid rgba(53,224,161,.30);
  margin-bottom:16px;
}
.cat-hero h1{
  font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.28;
  max-width:820px;
}
.cat-hero .hero-sub{
  margin-top:16px;max-width:640px;
  font-size:16px;color:#CFC9DF;line-height:1.85;
}
.hero-meta{
  margin-top:24px;display:flex;flex-wrap:wrap;gap:10px;
}
.hero-meta span{
  font-size:13px;color:var(--muted);
  border:1px solid var(--line);border-radius:999px;
  padding:5px 14px;background:rgba(38,32,57,.6);
}

/* ============ SECTIONS ============ */
.section{padding:72px 0;}
.section--tight{padding-top:56px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:32px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(22px,2.4vw,30px);font-weight:700;
  padding-left:16px;position:relative;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;
  background:var(--brand-500);border-radius:2px;
}
.section-head p{margin-top:10px;font-size:14px;color:var(--muted);padding-left:16px;}
.section-head .more{
  font-size:14px;color:var(--brand-500);white-space:nowrap;
}
.section-head .more:hover{text-decoration:underline;text-underline-offset:3px;}

/* ============ STATS ============ */
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);
}
.stat-card{
  background:var(--ink-800);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(53,224,161,.35);}
.stat-card .num{
  font-size:32px;font-weight:800;color:var(--brand-500);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-card .lab{margin-top:8px;font-size:14px;color:var(--muted);}

/* ============ TIMELINE ============ */
.timeline{position:relative;max-width:1000px;}
.tl-item{
  display:grid;grid-template-columns:150px 40px 1fr;gap:0 18px;
  padding-bottom:34px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-time{
  text-align:right;padding-top:22px;
  font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.tl-time strong{display:block;font-size:18px;color:var(--paper);font-weight:700;letter-spacing:.02em;}
.tl-rail{position:relative;display:flex;justify-content:center;}
.tl-rail::before{
  content:"";position:absolute;top:0;bottom:-34px;left:50%;width:1px;
  background:var(--line);transform:translateX(-50%);
}
.tl-item:last-child .tl-rail::before{display:none;}
.tl-dot{
  position:relative;z-index:2;margin-top:26px;
  width:14px;height:14px;border-radius:50%;
  background:var(--ink-900);border:2px solid var(--brand-500);
  box-shadow:0 0 0 5px rgba(53,224,161,.10);
}
.tl-item--hot .tl-dot{border-color:var(--accent-500);box-shadow:0 0 0 5px rgba(255,122,69,.12);}
.tl-card{
  background:var(--ink-700);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px 24px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tl-card:hover{transform:translateX(4px);box-shadow:var(--shadow-hover);border-color:rgba(53,224,161,.30);}
.tl-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px;}
.tl-index{
  font-size:15px;font-weight:800;letter-spacing:.06em;
  color:var(--accent-500);font-variant-numeric:tabular-nums;
}
.tl-title{font-size:19px;font-weight:600;line-height:1.5;flex:1;min-width:200px;}
.tl-title a:hover{color:var(--brand-500);}
.tl-desc{font-size:15px;color:#C8C1DA;line-height:1.85;margin-bottom:16px;}
.tl-body{display:grid;grid-template-columns:220px 1fr;gap:20px;align-items:start;}
.tl-thumb{
  width:100%;aspect-ratio:16/9;border-radius:12px;overflow:hidden;
  background:var(--ink-800);
}
.tl-thumb img{width:100%;height:100%;object-fit:cover;}
.tl-foot{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:14px;
}
.badge-line{display:flex;gap:8px;flex-wrap:wrap;}
.badge{
  font-size:13px;padding:4px 12px;border-radius:999px;
  background:rgba(53,224,161,.12);color:var(--brand-500);
  line-height:1.5;
}
.badge--accent{background:rgba(255,122,69,.12);color:var(--accent-500);}
.badge--violet{background:rgba(124,92,255,.14);color:#B9A6FF;}
.link-detail{
  font-size:14px;color:var(--brand-500);white-space:nowrap;
}
.link-detail:hover{text-decoration:underline;text-underline-offset:3px;}
.link-detail i{font-size:12px;margin-left:4px;}

/* ============ FLOW ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.flow-card{
  background:var(--ink-800);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 22px;
  position:relative;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(53,224,161,.30);}
.flow-num{
  font-size:38px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(53,224,161,.55);
  margin-bottom:14px;
}
.flow-card h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.flow-card p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ============ FAQ ============ */
.faq-zone{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--ink-800);border:1px solid var(--line);
  border-radius:var(--radius-card);margin-bottom:14px;overflow:hidden;
}
.faq-item .accordion-button{
  background:transparent;color:var(--paper);
  font-size:17px;font-weight:600;line-height:1.6;
  padding:20px 60px 20px 22px;
  border:0;box-shadow:none;width:100%;text-align:left;
  display:flex;align-items:center;position:relative;
}
.faq-item .accordion-button:not(.collapsed){color:var(--brand-500);}
.faq-item .accordion-button::after{display:none;}
.faq-toggle{
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  transition:transform .25s ease,background-color .25s ease,border-color .25s ease;
  font-size:13px;color:var(--muted);
}
.accordion-button:not(.collapsed) .faq-toggle{
  transform:translateY(-50%) rotate(45deg);
  background:var(--brand-500);border-color:var(--brand-500);color:#0C1118;
}
.faq-item .accordion-body{
  padding:0 22px 22px;font-size:15px;line-height:1.85;color:#C8C1DA;
  border-top:1px solid var(--line);padding-top:18px;margin:0 22px 22px;padding-left:0;padding-right:0;
}

/* ============ CTA ============ */
.cta-zone{
  position:relative;min-height:340px;display:flex;align-items:center;justify-content:center;
  text-align:center;overflow:hidden;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-zone::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,17,28,.90) 0%,rgba(20,17,28,.78) 100%);
}
.cta-inner{position:relative;z-index:2;padding:64px 24px;max-width:760px;}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.35;}
.cta-inner p{margin-top:14px;font-size:16px;color:#CFC9DF;}
.btn-primary-custom{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  margin-top:28px;height:52px;padding:0 34px;border-radius:999px;
  background:var(--brand-500);color:#0C1118;font-weight:600;font-size:16px;
  border:0;transition:transform .22s ease,background-color .22s ease,box-shadow .22s ease;
}
.btn-primary-custom:hover{background:var(--brand-600);color:#0C1118;transform:translateY(-2px);box-shadow:0 12px 30px rgba(53,224,161,.24);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:14px;
  border:1px solid var(--brand-500);color:var(--brand-500);
  background:transparent;font-size:15px;font-weight:600;
  transition:background-color .22s ease,transform .22s ease;
}
.btn-ghost:hover{background:rgba(53,224,161,.12);color:var(--brand-500);transform:translateY(-2px);}

/* ============ FOOTER ============ */
.site-footer{
  background:var(--ink-800);border-top:1px solid var(--line);
  padding:56px 0 26px;margin-top:0;
}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;
  padding-bottom:36px;border-bottom:1px solid var(--line);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-text{font-size:17px;font-weight:800;}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.9;max-width:440px;}
.footer-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;}
.footer-tags span{
  font-size:13px;padding:4px 12px;border-radius:999px;
  background:rgba(53,224,161,.10);color:var(--brand-500);
}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col a{
  display:block;font-size:14px;color:var(--muted);line-height:2.2;
}
.footer-col a:hover{color:var(--brand-500);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;padding-top:22px;font-size:13px;color:var(--muted);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1199px){
  .main-nav .nav-link{font-size:14px;padding:8px 10px;}
  .btn-nav{padding:0 20px;}
}
@media (max-width:991px){
  .main-nav,.header-actions .btn-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:64px;justify-content:space-between;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  .tl-body{grid-template-columns:1fr;}
  .section{padding:56px 0;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .cat-hero{min-height:260px;}
  .cat-hero .wrap{padding-top:40px;padding-bottom:40px;}
  .tl-item{grid-template-columns:1fr;gap:0;position:relative;padding-left:26px;padding-bottom:26px;}
  .tl-time{text-align:left;padding-top:0;margin-bottom:10px;}
  .tl-time strong{display:inline;font-size:15px;margin-right:8px;}
  .tl-rail{position:absolute;left:0;top:34px;bottom:0;width:16px;display:block;}
  .tl-rail::before{left:50%;top:16px;bottom:0;}
  .tl-dot{margin-top:2px;width:12px;height:12px;}
  .tl-card{padding:18px;}
  .tl-title{font-size:17px;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-zone{min-height:300px;}
}
@media (max-width:519px){
  body{font-size:15px;}
  .stat-grid{grid-template-columns:1fr;}
  .section{padding:44px 0;}
  .btn-primary-custom{width:100%;}
  .hero-meta{gap:8px;}
}