/* roulang page: index */
:root{
  --brand:#12D8A0; --brand-600:#0A8F6B; --brand-tint:#E4F8F0;
  --accent:#FF8A1F; --accent-tint:#FFF1E0; --hot:#FF4D6D;
  --bg-base:#F4F6F2; --bg-surface:#FFFFFF; --bg-deep:#11151B; --bg-deep-2:#191E26;
  --line:#E3E7DF; --line-inv:rgba(255,255,255,.10);
  --ink-1:#171B20; --ink-2:#5A6472; --ink-3:#8A93A0;
  --ink-inv-1:#EDF3EE; --ink-inv-2:#A9B6AD;
  --r-card:16px; --r-lg:20px; --r-btn:10px;
  --sh-sm:0 1px 2px rgba(17,21,27,.06);
  --sh-md:0 8px 24px -12px rgba(17,21,27,.18);
  --sh-lg:0 24px 48px -24px rgba(17,21,27,.28);
  --t:200ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-base);color:var(--ink-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.9;letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:var(--brand);color:#0B1F19}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1280px){.container{padding:0 40px}}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(17,21,27,.94);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line-inv);
  transition:height var(--t);
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#0A8F6B);color:#0B1F19;font-size:17px;
}
.brand-text{color:var(--ink-inv-1);font-weight:800;font-size:17px;letter-spacing:0}
.main-nav{display:none;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:8px;color:var(--ink-inv-2);
  font-size:15px;font-weight:500;transition:color var(--t),background var(--t);
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;
  background:var(--brand);transition:left var(--t),right var(--t);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--ink-inv-1)}
.nav-link:hover::after{left:14px;right:14px}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{left:14px;right:14px}
.nav-drop{position:relative}
.mega-panel{
  position:absolute;top:calc(100% + 14px);left:50%;margin-left:-330px;width:660px;
  background:#fff;border-radius:18px;padding:24px;border:1px solid var(--line);
  box-shadow:var(--sh-lg);opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity 180ms ease,transform 180ms ease,visibility 180ms;
  display:grid;grid-template-columns:1.15fr 1.15fr 1fr;gap:22px;
}
.mega-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  border-radius:18px 18px 0 0;background:var(--brand);
}
.nav-drop:hover .mega-panel,.nav-drop:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.06em;margin-bottom:10px}
.mega-link{
  display:block;padding:7px 10px;border-left:2px solid transparent;border-radius:6px;
  font-size:14px;color:var(--ink-2);transition:all var(--t);
}
.mega-link:hover{color:var(--brand-600);border-left-color:var(--brand);background:var(--brand-tint)}
.mega-card{
  display:block;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  background:var(--bg-base);transition:box-shadow var(--t),transform var(--t);
}
.mega-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mega-card-body{padding:10px 12px 12px}
.mega-card-body strong{display:block;font-size:13.5px;font-weight:600;line-height:1.5;color:var(--ink-1)}
.mega-card-body span{display:block;font-size:12px;color:var(--ink-3);margin-top:2px}
.mega-promo{
  display:flex;flex-direction:column;justify-content:center;gap:6px;
  background:var(--brand-tint);border-radius:14px;padding:18px;
}
.mega-promo strong{font-size:16px;font-weight:700;color:#0B1F19}
.mega-promo p{font-size:13px;line-height:1.7;color:var(--brand-600)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  color:var(--ink-inv-2);border:1px solid var(--line-inv);transition:all var(--t);
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand)}
.menu-toggle{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  color:var(--ink-inv-1);border:1px solid var(--line-inv);
}
@media(min-width:1024px){
  .main-nav{display:flex}
  .menu-toggle{display:none}
}
@media(max-width:1023px){
  .main-nav{
    position:absolute;top:72px;left:0;right:0;background:#11151B;
    border-bottom:1px solid var(--line-inv);flex-direction:column;align-items:stretch;
    gap:2px;padding:12px 20px 20px;display:none;
  }
  .main-nav.open{display:flex}
  .nav-link{padding:12px 8px;border-radius:8px}
  .nav-link::after{display:none}
  .nav-link.is-active{background:rgba(18,216,160,.10)}
  .mega-panel{display:none}
}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:all var(--t);white-space:nowrap;border:1.5px solid transparent;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-primary{background:var(--brand);color:#0B1F19}
.btn-primary:hover{background:#0FBF8D;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--ink-1);color:var(--ink-1)}
.btn-outline:hover{background:var(--ink-1);color:#fff}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-block{width:100%}
@media(min-width:640px){.btn-block{width:auto}}

.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);
  font-size:14px;font-weight:600;transition:color var(--t);
}
.text-link i{transition:transform var(--t)}
.text-link:hover{color:#077052}
.text-link:hover i{transform:translateX(3px)}

/* ============ Sections ============ */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:90px 0}}
.section-deep{background:var(--bg-deep);color:var(--ink-inv-1)}
.section-surface{background:var(--bg-surface)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.10em;color:var(--brand-600);text-transform:uppercase;margin-bottom:12px;
}
.section-deep .eyebrow{color:var(--brand)}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:18px;margin-bottom:36px;
}
.h2{font-size:26px;line-height:1.3;font-weight:700;letter-spacing:0}
@media(min-width:1024px){.h2{font-size:30px}}
.h3{font-size:18px;line-height:1.45;font-weight:600}
.lead{font-size:15.5px;line-height:1.9;color:var(--ink-2);margin-top:10px;max-width:760px}
.section-deep .lead{color:var(--ink-inv-2)}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ============ Hero ============ */
.hero{
  position:relative;background:var(--bg-deep);color:var(--ink-inv-1);
  overflow:hidden;min-height:480px;display:flex;align-items:center;
}
@media(min-width:1024px){.hero{min-height:560px}}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 40px),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 40px);
  pointer-events:none;
}
.hero-glow{
  position:absolute;width:520px;height:520px;border-radius:50%;filter:blur(90px);
  background:radial-gradient(circle,rgba(18,216,160,.30),transparent 68%);
  top:-160px;right:-120px;pointer-events:none;
}
.hero-glow-2{
  position:absolute;width:420px;height:420px;border-radius:50%;filter:blur(90px);
  background:radial-gradient(circle,rgba(255,138,31,.18),transparent 70%);
  bottom:-180px;left:-100px;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;gap:40px;padding:56px 0}
@media(min-width:1024px){
  .hero-inner{grid-template-columns:7fr 5fr;align-items:center;gap:48px;padding:72px 0}
}
.hero h1{
  font-size:27px;line-height:1.28;font-weight:800;color:#fff;letter-spacing:0;
}
@media(min-width:768px){.hero h1{font-size:34px}}
@media(min-width:1024px){.hero h1{font-size:40px}}
.hero-sub{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-inv-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:18px 20px;
  margin-top:34px;padding-top:26px;border-top:1px solid var(--line-inv);
}
@media(min-width:768px){.hero-stats{grid-template-columns:repeat(4,1fr)}}
.stat-num{font-family:"Space Grotesk",system-ui,sans-serif;font-size:26px;font-weight:700;color:var(--accent);line-height:1.2;letter-spacing:.02em}
.stat-label{font-size:13px;color:var(--ink-inv-2);margin-top:2px}
.hero-visual{position:relative}
.hero-visual .hero-main-img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--line-inv);box-shadow:var(--sh-lg);
}
.hero-float{
  position:absolute;right:-8px;bottom:-18px;width:168px;border-radius:16px;overflow:hidden;
  border:1px solid var(--line-inv);background:var(--bg-deep-2);box-shadow:var(--sh-lg);
}
@media(max-width:639px){.hero-float{right:0;bottom:-12px;width:132px}}
.hero-float img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-float-body{padding:8px 10px}
.hero-float-body strong{display:block;font-size:12.5px;color:var(--ink-inv-1);font-weight:600}
.hero-float-body span{display:block;font-size:11.5px;color:var(--brand);margin-top:1px}

/* ============ Feature split ============ */
.split{display:grid;gap:32px}
@media(min-width:1024px){.split{grid-template-columns:3fr 9fr;gap:44px;align-items:start}}
.split-aside{position:relative}
@media(min-width:1024px){.split-aside{position:sticky;top:104px}}
.feature-grid{display:grid;gap:20px}
@media(min-width:640px){.feature-grid{grid-template-columns:repeat(2,1fr)}}

.card{
  background:var(--bg-surface);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:#D3DBCE}
.feature-card{padding:22px;display:flex;flex-direction:column;gap:10px}
.icon-box{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:var(--brand-tint);color:var(--brand-600);font-size:17px;
}
.icon-box.accent{background:var(--accent-tint);color:#B35B00}
.feature-card p{font-size:14.5px;line-height:1.85;color:var(--ink-2)}
.feature-card .text-link{margin-top:auto;padding-top:6px}

/* ============ Scenarios ============ */
.scene-row{
  display:grid;gap:26px;padding:32px 0;border-top:1px solid var(--line);
}
@media(min-width:1024px){
  .scene-row{grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:44px 0}
  .scene-row.reverse .scene-media{order:2}
}
.scene-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-md);background:var(--bg-surface);
}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 300ms ease}
.scene-row:hover .scene-media img{transform:scale(1.02)}
.scene-num{
  font-family:"Space Grotesk",system-ui,sans-serif;font-size:13px;font-weight:700;
  letter-spacing:.12em;color:var(--brand-600);
  display:inline-block;padding:3px 10px;background:var(--brand-tint);border-radius:6px;
}
.scene-body h3{margin-top:14px;font-size:20px;line-height:1.45;font-weight:600}
.scene-body p{margin-top:12px;font-size:15.5px;line-height:1.9;color:var(--ink-2)}
.scene-list{margin-top:16px;display:grid;gap:8px}
.scene-list li{display:flex;gap:9px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.scene-list i{color:var(--brand-600);margin-top:6px;font-size:12px}

/* ============ Tags / badges ============ */
.tag{
  display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
}
.tag-brand{background:var(--brand-tint);color:var(--brand-600)}
.tag-accent{background:var(--accent-tint);color:#B35B00}
.tag-hot{background:#FFE7EB;color:#C81E3F}
.tag-deep{background:var(--bg-deep);color:#fff}

/* ============ Rank board ============ */
.rank-list{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--bg-surface)}
.rank-row{
  display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:14px;
  padding:16px 18px;border-bottom:1px solid var(--line);transition:background var(--t);
}
.rank-row:last-child{border-bottom:0}
.rank-row:hover{background:#F8FAF6}
.rank-no{
  font-family:"Space Grotesk",system-ui,sans-serif;font-size:20px;font-weight:700;
  color:var(--ink-3);transition:color var(--t);
}
.rank-row:hover .rank-no{color:var(--brand-600)}
.rank-name{font-size:15.5px;font-weight:600;line-height:1.5}
.rank-meta{font-size:12.5px;color:var(--ink-3);margin-top:2px}
.rank-gain{font-family:"Space Grotesk",system-ui,sans-serif;font-size:14px;font-weight:700;color:var(--accent)}
@media(max-width:639px){
  .rank-row{grid-template-columns:34px 1fr;grid-template-areas:"no name" ". gain";row-gap:6px}
  .rank-row .rank-no{grid-area:no}
  .rank-row .rank-name-wrap{grid-area:name}
  .rank-row .rank-gain{grid-area:gain;text-align:left}
}

/* ============ Cases ============ */
.case-card{
  display:grid;gap:16px;padding:22px;background:var(--bg-surface);
  border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform var(--t),box-shadow var(--t);
}
@media(min-width:768px){
  .case-card{grid-template-columns:64px 1fr auto;align-items:center;gap:22px;padding:24px}
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md)}
.case-avatar{
  width:56px;height:56px;border-radius:16px;object-fit:cover;border:1px solid var(--line);
}
.case-quote{font-size:15px;line-height:1.9;color:var(--ink-2)}
.case-person{margin-top:8px;font-size:13.5px;color:var(--ink-3)}
.case-person strong{color:var(--ink-1);font-weight:600}
.case-metrics{display:flex;gap:22px;border-left:1px solid var(--line);padding-left:22px}
@media(max-width:767px){.case-metrics{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:14px}}
.case-metric-num{font-family:"Space Grotesk",system-ui,sans-serif;font-size:22px;font-weight:700;color:var(--accent);line-height:1.2}
.case-metric-label{font-size:12.5px;color:var(--ink-3)}

/* ============ Pricing ============ */
.price-grid{display:grid;gap:20px;align-items:start}
@media(min-width:768px){.price-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.price-grid{grid-template-columns:1.1fr 1.26fr 1.1fr;gap:24px}}
.price-card{
  position:relative;background:var(--bg-surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px;display:flex;flex-direction:column;gap:16px;
  transition:transform var(--t),box-shadow var(--t);
}
.price-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.price-card.featured{border:1.5px solid var(--brand);box-shadow:var(--sh-md)}
@media(min-width:1024px){.price-card.featured{transform:translateY(-10px)}}
.price-badge{
  position:absolute;top:-13px;left:26px;background:var(--brand);color:#0B1F19;
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;
}
.price-name{font-size:17px;font-weight:700}
.price-amount{font-family:"Space Grotesk",system-ui,sans-serif;font-size:38px;font-weight:700;color:var(--accent);line-height:1.1}
.price-amount small{font-size:14px;font-weight:500;color:var(--ink-3);margin-left:6px}
.price-desc{font-size:14px;color:var(--ink-2);line-height:1.8}
.price-list{display:grid;gap:10px;margin-top:2px}
.price-list li{display:flex;gap:9px;font-size:14.5px;color:var(--ink-2)}
.price-list i{color:var(--brand-600);margin-top:6px;font-size:12px}

/* ============ News / CMS ============ */
.news-grid{display:grid;gap:20px}
@media(min-width:1024px){.news-grid{grid-template-columns:5fr 7fr;gap:24px}}
.news-main{
  background:var(--bg-surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t);
}
.news-main:hover{transform:translateY(-2px);box-shadow:var(--sh-md)}
.news-main-media{display:block;overflow:hidden;background:#EAEEE6}
.news-main-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 300ms ease}
.news-main:hover .news-main-media img{transform:scale(1.03)}
.news-main-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-main-body h3{font-size:18px;line-height:1.5;font-weight:600}
.news-main-body h3 a:hover{color:var(--brand-600)}
.news-main-body p{font-size:14.5px;line-height:1.85;color:var(--ink-2)}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:10px;font-size:12.5px;color:var(--ink-3)}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-3)}
.news-side{display:grid;gap:16px}
@media(min-width:640px){.news-side{grid-template-columns:repeat(2,1fr)}}
.news-item{
  background:var(--bg-surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;display:flex;flex-direction:column;gap:9px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:#D3DBCE}
.news-item h3{font-size:15.5px;line-height:1.55;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item h3 a:hover{color:var(--brand-600)}
.news-item p{font-size:13.5px;line-height:1.8;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-empty{
  border:1px dashed #C7D0C0;border-radius:var(--r-card);background:rgba(255,255,255,.6);
  padding:48px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;
}
.news-empty i{font-size:26px;color:var(--brand-600)}
.news-empty p{font-size:15px;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{
  background:var(--bg-surface);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item[open]{border-color:#C9E7DA;box-shadow:var(--sh-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px;font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-600)}
.faq-item summary::after{
  content:"+";font-family:"Space Grotesk",system-ui,sans-serif;font-size:20px;font-weight:500;
  color:var(--brand-600);flex-shrink:0;line-height:1;
}
.faq-item[open] summary::after{content:"–"}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--ink-2)}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(120deg,#0E3A30 0%,#11151B 55%,#1A2230 100%);
  border-radius:24px;padding:52px 28px;text-align:center;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,216,160,.28),transparent 70%);
  top:-180px;right:-120px;filter:blur(60px);pointer-events:none;
}
.cta-band h2{position:relative;color:#fff;font-size:25px;line-height:1.35;font-weight:700}
@media(min-width:1024px){.cta-band h2{font-size:30px}}
.cta-band p{position:relative;margin-top:12px;font-size:15.5px;color:var(--ink-inv-2);line-height:1.85}
.cta-band .btn{position:relative;margin-top:26px}

/* ============ Footer ============ */
.site-footer{background:var(--bg-deep);color:var(--ink-inv-2);margin-top:0}
.footer-top{
  display:grid;gap:34px;padding:56px 0 40px;
}
@media(min-width:768px){.footer-top{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-top{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 48px}}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--ink-inv-2);max-width:320px}
.footer-title{font-size:14px;font-weight:700;color:var(--ink-inv-1);margin-bottom:14px;letter-spacing:.02em}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--ink-inv-2);transition:color var(--t)}
.footer-links a:hover{color:var(--brand)}
.qr-box{
  width:88px;height:88px;border-radius:12px;border:1px solid var(--line-inv);
  background:var(--bg-deep-2);display:grid;place-items:center;color:var(--ink-inv-2);font-size:22px;
}
.footer-contact{display:flex;gap:16px;align-items:flex-start;margin-top:2px}
.footer-contact p{font-size:13.5px;line-height:1.9}
.footer-bottom{
  border-top:1px solid var(--line-inv);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px 20px;justify-content:space-between;align-items:center;
  font-size:13px;color:#7C8880;
}
.footer-bottom a{color:#7C8880;transition:color var(--t)}
.footer-bottom a:hover{color:var(--brand)}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:16px}

/* roulang page: article */
:root{
  --brand:#12D8A0;
  --brand-600:#0A8F6B;
  --brand-tint:#E4F8F0;
  --accent:#FF8A1F;
  --accent-tint:#FFF1E0;
  --hot:#FF4D6D;
  --bg-base:#F4F6F2;
  --bg-surface:#FFFFFF;
  --bg-deep:#11151B;
  --bg-deep-2:#191E26;
  --line:#E3E7DF;
  --line-deep:rgba(255,255,255,.10);
  --ink-1:#171B20;
  --ink-2:#5A6472;
  --ink-3:#8A93A0;
  --ink-inv-1:#EDF3EE;
  --ink-inv-2:#A9B6AD;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(17,21,27,.06);
  --sh-md:0 8px 24px -12px rgba(17,21,27,.18);
  --sh-lg:0 24px 48px -24px rgba(17,21,27,.28);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--ink-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(17,21,27,.94);
  border-bottom:1px solid var(--line-deep);
  backdrop-filter:saturate(160%) blur(10px);
}
.header-inner{display:flex;align-items:center;gap:26px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);color:#0B1F19;
  display:grid;place-items:center;font-size:16px;box-shadow:0 8px 18px -10px rgba(18,216,160,.9);
}
.brand-text{font-size:18px;font-weight:800;color:#fff;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:8px;font-size:15px;color:var(--ink-inv-2);
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:4px;height:2px;width:0;background:var(--brand);
  transform:translateX(-50%);transition:width .2s ease;border-radius:2px;
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{width:calc(100% - 28px);}
.nav-link.is-active{color:#fff;font-weight:600;}
.nav-link.is-active::after{width:calc(100% - 28px);}
.nav-drop{position:relative;}
.mega-panel{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(6px);
  width:1080px;max-width:calc(100vw - 40px);
  background:#fff;border-radius:18px;border-top:3px solid var(--brand);
  box-shadow:var(--sh-lg);padding:26px 28px;
  display:grid;grid-template-columns:1fr 1fr 300px;gap:28px;
  opacity:0;visibility:hidden;transition:opacity .18s ease,transform .18s ease,visibility .18s;
  z-index:90;
}
.nav-drop:hover .mega-panel,
.nav-drop:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.mega-title{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.08em;margin-bottom:10px;}
.mega-link{
  display:block;padding:7px 10px;font-size:14px;color:var(--ink-2);
  border-left:2px solid transparent;border-radius:8px;transition:all .18s ease;
}
.mega-link:hover{color:var(--brand-600);background:#F8FAF6;border-left-color:var(--brand);}
.mega-card{display:flex;gap:12px;padding:10px;border:1px solid var(--line);border-radius:12px;transition:box-shadow .2s ease,transform .2s ease;}
.mega-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);}
.mega-card img{width:76px;height:56px;object-fit:cover;border-radius:8px;flex:0 0 auto;}
.mega-card-body strong{display:block;font-size:14px;font-weight:600;color:var(--ink-1);line-height:1.5;}
.mega-card-body span{display:block;font-size:12px;color:var(--ink-3);margin-top:4px;}
.mega-promo{background:var(--brand-tint);border-radius:14px;padding:20px;}
.mega-promo strong{display:block;font-size:17px;font-weight:700;color:var(--ink-1);}
.mega-promo p{font-size:14px;color:var(--ink-2);line-height:1.8;margin:8px 0 14px;}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line-deep);
  background:transparent;color:var(--ink-inv-1);display:grid;place-items:center;cursor:pointer;
  transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);border:none;
  font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease;white-space:nowrap;
}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--brand);color:#0B1F19;}
.btn-primary:hover{background:#0FBF8D;transform:translateY(-1px);}
.btn-outline-dark{background:transparent;border:1.5px solid var(--ink-1);color:var(--ink-1);}
.btn-outline-dark:hover{background:var(--ink-1);color:#fff;}
.btn-ghost-dark{background:transparent;border:1.5px solid rgba(255,255,255,.35);color:#fff;}
.btn-ghost-dark:hover{border-color:var(--brand);color:var(--brand);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);
  font-size:14px;font-weight:600;
}
.text-link i{transition:transform .2s ease;}
.text-link:hover i{transform:translateX(3px);}

/* ============ badges ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.7;
}
.badge-brand{background:var(--brand-tint);color:var(--brand-600);}
.badge-accent{background:var(--accent-tint);color:#B35B00;}
.badge-solid{background:var(--ink-1);color:#fff;}
.badge-hot{background:rgba(255,77,109,.12);color:#C8283F;}

/* ============ article hero ============ */
.article-hero{
  position:relative;overflow:hidden;color:var(--ink-inv-1);
  background:var(--bg-deep) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(17,21,27,.95) 0%,rgba(17,21,27,.80) 55%,rgba(17,21,27,.92) 100%);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 40px),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 40px);
}
.hero-inner{position:relative;z-index:2;padding-top:26px;padding-bottom:44px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-inv-2);flex-wrap:wrap;}
.crumb a{transition:color .2s ease;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{opacity:.5;}
.crumb .current{
  color:var(--ink-inv-1);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.hero-badges{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:22px 0 14px;}
.article-h1{
  font-size:34px;line-height:1.28;font-weight:800;color:#fff;max-width:940px;
}
.article-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:20px;font-size:13px;color:var(--ink-inv-2);
}
.article-meta .dot{width:1px;height:14px;background:var(--line-deep);}
.article-meta i{color:var(--brand);margin-right:5px;}

/* ============ layout ============ */
.layout-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;}
@media(min-width:1024px){
  .layout-grid{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:36px;}
}
.section-pad{padding-top:56px;padding-bottom:56px;}
@media(min-width:1024px){
  .section-pad{padding-top:80px;padding-bottom:80px;}
}

/* ============ article body ============ */
.panel{
  background:var(--bg-surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
}
.article-panel{padding:26px 22px;}
@media(min-width:768px){.article-panel{padding:40px 44px;}}
.article-body{font-size:16px;line-height:1.95;color:var(--ink-1);word-break:break-word;}
@media(min-width:1024px){.article-body{font-size:17px;line-height:1.95;}}
.article-body > *:first-child{margin-top:0 !important;}
.article-body p{margin:0 0 1.15em;}
.article-body h2{
  position:relative;font-size:24px;line-height:1.36;font-weight:700;
  margin:2em 0 .6em;padding-left:14px;
}
@media(min-width:768px){.article-body h2{font-size:27px;}}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:19px;line-height:1.45;font-weight:600;margin:1.6em 0 .5em;}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .45em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.25em;}
.article-body ul{list-style:none;padding-left:1.15em;}
.article-body ul li{position:relative;margin-bottom:.5em;}
.article-body ul li::before{
  content:"";position:absolute;left:-1.05em;top:.78em;width:7px;height:7px;border-radius:50%;background:var(--brand);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin-bottom:.5em;}
.article-body ol li::marker{color:var(--brand-600);font-weight:700;}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;background:var(--brand-tint);
  border-left:3px solid var(--brand);border-radius:12px;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--brand-600);font-weight:600;border-bottom:1px solid rgba(10,143,107,.3);}
.article-body a:hover{border-bottom-color:var(--brand-600);}
.article-body strong{font-weight:700;}
.article-body img{border-radius:12px;margin:1.4em auto;box-shadow:var(--sh-sm);}
.article-body figure{margin:1.4em 0;}
.article-body figure img{margin:0 auto;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0;}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;margin:1.4em 0;
}
.article-body th{
  background:var(--brand-tint);font-weight:600;text-align:left;padding:10px 14px;
  border:1px solid var(--line);white-space:nowrap;
}
.article-body td{padding:10px 14px;border:1px solid var(--line);vertical-align:top;}
.article-body code{
  background:#F1F4EF;border-radius:6px;padding:2px 6px;font-size:14px;
}
.empty-state{
  border:1px dashed #CFD7CB;border-radius:var(--r-card);padding:56px 24px;text-align:center;background:#FAFBF8;
}
.empty-state i{font-size:32px;color:var(--ink-3);}
.empty-state h2{font-size:20px;margin:16px 0 8px;}
.empty-state p{font-size:14px;color:var(--ink-2);margin-bottom:20px;}

/* ============ sidebar ============ */
.sidebar{display:flex;flex-direction:column;gap:20px;}
@media(min-width:1024px){
  .sidebar{position:sticky;top:96px;align-self:start;}
}
.side-card{background:var(--bg-surface);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-sm);}
.side-title{
  display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;margin-bottom:14px;
}
.side-title i{color:var(--brand);font-size:14px;}
.toc-list{list-style:none;margin:0;padding:0;}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;font-size:14px;color:var(--ink-2);padding:7px 8px;border-radius:8px;
  transition:all .18s ease;line-height:1.6;
}
.toc-list a:hover{background:#F8FAF6;color:var(--brand-600);}
.toc-list li.toc-sub a{padding-left:20px;font-size:13px;color:var(--ink-3);}
.toc-empty{font-size:13px;color:var(--ink-3);line-height:1.8;}
.side-post{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);}
.side-post:last-of-type{border-bottom:none;}
.side-post img{width:76px;height:58px;object-fit:cover;border-radius:10px;flex:0 0 auto;}
.side-post strong{
  display:block;font-size:14px;font-weight:600;line-height:1.55;color:var(--ink-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.side-post:hover strong{color:var(--brand-600);}
.side-post span{display:block;font-size:12px;color:var(--ink-3);margin-top:5px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-pill{
  padding:6px 13px;border-radius:999px;border:1px solid var(--line);font-size:13px;color:var(--ink-2);
  transition:all .18s ease;
}
.tag-pill:hover{border-color:var(--brand);color:var(--brand-600);background:var(--brand-tint);}

/* ============ related ============ */
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;}
.block-head h2{font-size:22px;font-weight:700;}
@media(min-width:768px){.block-head h2{font-size:26px;}}
.block-head p{font-size:14px;color:var(--ink-2);margin-top:6px;}
.rel-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:640px){.rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.rel-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}}
.card{
  background:var(--bg-surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:#D5DCD1;}
.card-media{position:relative;aspect-ratio:16/10;background:#EDF1EA;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-media .badge{position:absolute;left:12px;top:12px;}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.card-body h3{
  font-size:17px;line-height:1.45;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  font-size:14px;color:var(--ink-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-3);}

/* ============ prev next ============ */
.pager{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:768px){.pager{grid-template-columns:repeat(2,minmax(0,1fr));}}
.pager-item{
  display:block;border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-surface);
  padding:18px 20px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.pager-item:hover{border-color:var(--brand);box-shadow:var(--sh-md);transform:translateY(-2px);}
.pager-item span{font-size:13px;color:var(--ink-3);}
.pager-item strong{
  display:block;font-size:15px;font-weight:600;margin-top:6px;line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pager-item.is-next{text-align:right;}

/* ============ cta ============ */
.cta-band{
  position:relative;background:var(--bg-deep);color:#fff;overflow:hidden;
  border-top:1px solid var(--line-deep);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,216,160,.22) 0%,rgba(18,216,160,0) 70%);
}
.cta-inner{position:relative;z-index:2;text-align:center;padding-top:72px;padding-bottom:72px;}
.cta-inner h2{font-size:26px;font-weight:800;}
@media(min-width:768px){.cta-inner h2{font-size:30px;}}
.cta-inner p{font-size:15px;color:var(--ink-inv-2);margin:14px auto 26px;max-width:640px;}
.cta-actions{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;}

/* ============ footer ============ */
.site-footer{background:var(--bg-deep);color:var(--ink-inv-2);padding-top:56px;}
.footer-top{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
@media(min-width:768px){.footer-top{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.footer-top{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--ink-inv-2);max-width:360px;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--ink-inv-2);transition:color .2s ease;}
.footer-links a:hover{color:var(--brand);}
.footer-contact{display:flex;gap:14px;align-items:flex-start;}
.qr-box{
  width:88px;height:88px;border-radius:12px;background:var(--bg-deep-2);
  border:1px solid var(--line-deep);display:grid;place-items:center;color:var(--ink-inv-2);font-size:28px;flex:0 0 auto;
}
.footer-contact p{font-size:13px;line-height:1.9;}
.footer-bottom{
  border-top:1px solid var(--line-deep);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;
}
.footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom-links a:hover{color:var(--brand);}

@media (max-width:1023px){
  .header-inner{flex-wrap:wrap;min-height:auto;padding-top:12px;padding-bottom:12px;gap:12px;}
  .brand-text{font-size:16px;}
  .main-nav{order:3;width:100%;margin-left:0;overflow-x:auto;gap:6px;padding-bottom:4px;scrollbar-width:none;}
  .main-nav::-webkit-scrollbar{display:none;}
  .nav-link{white-space:nowrap;padding:8px 12px;font-size:14px;background:rgba(255,255,255,.06);}
  .nav-link::after{display:none;}
  .nav-link.is-active{background:var(--brand);color:#0B1F19;}
  .mega-panel{display:none;}
  .header-actions{margin-left:auto;}
}
@media (max-width:640px){
  .icon-btn{display:none;}
  .article-h1{font-size:26px;}
  .crumb .current{max-width:180px;}
  .cta-inner{padding-top:56px;padding-bottom:56px;}
}

/* roulang page: category1 */
:root{
    --brand:#12D8A0;
    --brand-600:#0A8F6B;
    --brand-tint:#E4F8F0;
    --accent:#FF8A1F;
    --accent-tint:#FFF1E0;
    --hot:#FF4D6D;
    --bg-base:#F4F6F2;
    --bg-surface:#FFFFFF;
    --bg-deep:#11151B;
    --bg-deep-2:#191E26;
    --line:#E3E7DF;
    --ink-1:#171B20;
    --ink-2:#5A6472;
    --ink-3:#8A93A0;
    --ink-inv-1:#EDF3EE;
    --ink-inv-2:#A9B6AD;
    --r-card:16px;
    --r-img:20px;
    --r-btn:10px;
    --sh-sm:0 1px 2px rgba(17,21,27,.06);
    --sh-md:0 8px 24px -12px rgba(17,21,27,.18);
    --sh-lg:0 24px 48px -24px rgba(17,21,27,.28);
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg-base);
    color:var(--ink-1);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit}
  button{font-family:inherit}
  h1,h2,h3,h4{margin:0;letter-spacing:0}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}

  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

  body .container{
    width:100%;
    max-width:1240px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:768px){
    body .container{padding-left:32px;padding-right:32px}
  }
  @media (min-width:1280px){
    body .container{max-width:1240px;padding-left:40px;padding-right:40px}
  }

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(17,21,27,.94);
    backdrop-filter:saturate(140%) blur(10px);
    border-bottom:1px solid rgba(255,255,255,.10);
  }
  .header-inner{
    display:flex;
    align-items:center;
    gap:20px;
    height:72px;
    transition:height .2s ease;
  }
  .site-header.is-scrolled .header-inner{height:64px}

  .brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
  .brand-mark{
    width:34px;height:34px;border-radius:9px;
    background:var(--brand);
    color:#0B1F19;
    display:inline-flex;align-items:center;justify-content:center;
    font-size:16px;
  }
  .brand-text{
    color:var(--ink-inv-1);
    font-size:17px;
    font-weight:700;
    letter-spacing:.01em;
    white-space:nowrap;
  }

  .main-nav{display:flex;align-items:center;gap:2px;flex:1;min-width:0}
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    gap:6px;
    height:72px;
    padding:0 14px;
    font-size:15px;
    font-weight:500;
    color:rgba(237,243,238,.80);
    text-decoration:none;
    white-space:nowrap;
    transition:color .2s ease;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:50%;
    bottom:16px;
    width:0;
    height:2px;
    background:var(--brand);
    transform:translateX(-50%);
    transition:width .2s ease;
  }
  .nav-link:hover,.nav-link.is-active{color:#fff}
  .nav-link:hover::after,.nav-link.is-active::after{width:22px}

  .nav-drop{position:relative}
  .mega-panel{
    position:absolute;
    top:calc(100% - 6px);
    left:50%;
    transform:translate(-50%,6px);
    width:1080px;
    max-width:calc(100vw - 48px);
    background:#fff;
    border:1px solid var(--line);
    border-top:3px solid var(--brand);
    border-radius:18px;
    box-shadow:var(--sh-lg);
    padding:26px 26px 22px;
    display:grid;
    grid-template-columns:1.15fr 1.05fr .85fr;
    gap:26px;
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transition:opacity .18s ease,transform .18s ease,visibility .18s;
  }
  .nav-drop:hover .mega-panel,
  .nav-drop:focus-within .mega-panel{
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transform:translate(-50%,0);
  }
  .mega-title{
    font-size:12px;
    font-weight:700;
    color:var(--ink-3);
    letter-spacing:.06em;
    margin-bottom:12px;
  }
  .mega-link{
    display:block;
    padding:7px 0 7px 12px;
    border-left:2px solid transparent;
    font-size:14px;
    color:var(--ink-2);
    text-decoration:none;
    transition:.18s ease;
  }
  .mega-link:hover{color:var(--brand-600);border-left-color:var(--brand);background:#F8FAF6}
  .mega-card{
    display:flex;
    gap:12px;
    align-items:center;
    padding:8px;
    border-radius:12px;
    text-decoration:none;
    transition:background .18s ease;
  }
  .mega-card:hover{background:#F8FAF6}
  .mega-card img{width:74px;height:56px;object-fit:cover;border-radius:9px;flex-shrink:0}
  .mega-card-body{display:flex;flex-direction:column;min-width:0}
  .mega-card-body strong{font-size:14px;font-weight:600;color:var(--ink-1);line-height:1.5}
  .mega-card-body span{font-size:12px;color:var(--ink-3)}
  .mega-promo{
    background:var(--brand-tint);
    border-radius:14px;
    padding:20px;
    display:flex;
    flex-direction:column;
    gap:8px;
  }
  .mega-promo strong{font-size:16px;font-weight:700;color:#0B1F19}
  .mega-promo p{font-size:13px;line-height:1.8;color:#1F4E3E}
  .text-link{
    display:inline-flex;align-items:center;gap:7px;
    font-size:14px;font-weight:600;color:var(--brand-600);
    text-decoration:none;margin-top:4px;
  }
  .text-link i{transition:transform .2s ease}
  .text-link:hover i{transform:translateX(3px)}

  .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
  .icon-btn{
    width:40px;height:40px;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:10px;
    border:1px solid rgba(255,255,255,.16);
    background:transparent;
    color:rgba(237,243,238,.86);
    cursor:pointer;
    transition:.2s ease;
  }
  .icon-btn:hover{border-color:var(--brand);color:var(--brand)}
  .menu-toggle{display:none}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 22px;
    border-radius:var(--r-btn);
    border:1.5px solid transparent;
    font-size:15px;font-weight:600;
    text-decoration:none;
    cursor:pointer;
    transition:all .2s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--brand);color:#0B1F19}
  .btn-primary:hover{background:#0FBF8D;transform:translateY(-1px)}
  .btn-primary:active{transform:none}
  .btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
  .btn-outline{background:transparent;border-color:var(--ink-1);color:var(--ink-1)}
  .btn-outline:hover{background:var(--ink-1);color:#fff}
  .btn-sm{height:38px;padding:0 16px;font-size:14px}
  .btn-lg{height:52px;padding:0 30px;font-size:16px}

  .badge-soft{
    display:inline-flex;align-items:center;gap:6px;
    background:var(--brand-tint);color:var(--brand-600);
    font-size:12px;font-weight:600;
    padding:5px 12px;border-radius:999px;
  }
  .badge-accent{
    display:inline-flex;align-items:center;gap:6px;
    background:var(--accent-tint);color:#B35B00;
    font-size:12px;font-weight:600;
    padding:5px 12px;border-radius:999px;
  }

  /* ---------- 分类页 Hero ---------- */
  .cat-hero{
    position:relative;
    padding:52px 0 56px;
    color:var(--ink-inv-1);
    background:
      linear-gradient(115deg,rgba(17,21,27,.90) 0%,rgba(17,21,27,.72) 55%,rgba(17,21,27,.86) 100%),
      url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    overflow:hidden;
  }
  .cat-hero::after{
    content:"";
    position:absolute;inset:0;
    background:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 40px);
    opacity:.5;
    pointer-events:none;
  }
  .cat-hero .container{position:relative;z-index:2}
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:rgba(237,243,238,.62);
    margin-bottom:22px;
  }
  .breadcrumb a{color:rgba(237,243,238,.80);text-decoration:none;transition:color .2s}
  .breadcrumb a:hover{color:var(--brand)}
  .breadcrumb .sep{opacity:.5}

  .hero-grid{
    display:grid;
    grid-template-columns:1.45fr 1fr;
    gap:40px;
    align-items:end;
  }
  .cat-hero h1{
    font-size:38px;
    line-height:1.25;
    font-weight:800;
    color:#fff;
    margin-bottom:14px;
  }
  .hero-sub{
    font-size:16px;
    line-height:1.85;
    color:rgba(237,243,238,.78);
    max-width:620px;
    margin-bottom:26px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px}

  .hero-stats{
    display:flex;
    gap:22px;
    justify-content:flex-end;
    padding-bottom:6px;
  }
  .hero-stat{padding-left:18px;border-left:1px solid rgba(255,255,255,.14)}
  .hero-stat .num{
    display:block;
    font-size:28px;font-weight:700;line-height:1.2;
    color:var(--accent);
    font-variant-numeric:tabular-nums;
  }
  .hero-stat .lab{display:block;font-size:13px;color:var(--ink-inv-2);margin-top:2px}

  /* ---------- 通用板块 ---------- */
  .section{padding:88px 0}
  .section-alt{background:var(--bg-surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  @media (max-width:768px){
    .section{padding:56px 0}
  }

  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:36px;
  }
  .section-head h2{
    font-size:28px;
    font-weight:700;
    line-height:1.3;
    margin-bottom:10px;
  }
  .section-head p{
    font-size:15px;
    line-height:1.85;
    color:var(--ink-2);
    max-width:660px;
  }

  /* ---------- 大厅布局 ---------- */
  .hall-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:20px;
    margin-bottom:30px;
  }
  .hall-head h2{font-size:28px;font-weight:700;line-height:1.3;margin-bottom:10px}
  .hall-head p{font-size:15px;line-height:1.85;color:var(--ink-2);max-width:680px}

  .hall-layout{
    display:grid;
    grid-template-columns:minmax(230px,3fr) 9fr;
    gap:26px;
    align-items:start;
  }
  .hall-side{position:sticky;top:96px}

  .filter-card{
    background:var(--bg-surface);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:22px;
    box-shadow:var(--sh-sm);
  }
  .filter-group + .filter-group{margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
  .filter-title{
    font-size:13px;
    font-weight:700;
    color:var(--ink-3);
    letter-spacing:.05em;
    margin-bottom:12px;
  }
  .chip-row{display:flex;flex-wrap:wrap;gap:8px}
  .chip{
    border:1px solid var(--line);
    background:var(--bg-surface);
    color:var(--ink-2);
    font-size:13px;
    padding:6px 13px;
    border-radius:999px;
    cursor:pointer;
    transition:.2s ease;
  }
  .chip:hover{border-color:var(--brand);color:var(--brand-600)}
  .chip.is-on{background:var(--brand);border-color:var(--brand);color:#0B1F19;font-weight:600}

  .letter-row{display:flex;flex-wrap:wrap;gap:6px}
  .letter{
    width:29px;height:29px;
    display:flex;align-items:center;justify-content:center;
    font-size:12px;
    color:var(--ink-2);
    border:1px solid var(--line);
    border-radius:8px;
    background:var(--bg-surface);
    cursor:pointer;
    transition:.2s ease;
  }
  .letter:hover{border-color:var(--brand);color:var(--brand-600)}

  .side-tip{
    margin-top:22px;
    padding-top:20px;
    border-top:1px solid var(--line);
    font-size:13px;
    line-height:1.8;
    color:var(--ink-3);
  }
  .side-tip a{color:var(--brand-600);font-weight:600;text-decoration:none}
  .side-tip a:hover{text-decoration:underline}

  /* ---------- 游戏卡片网格 ---------- */
  .game-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:22px;
  }
  .game-card{
    display:flex;
    flex-direction:column;
    background:var(--bg-surface);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    overflow:hidden;
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .game-card:hover{
    transform:translateY(-2px);
    box-shadow:var(--sh-md);
    border-color:#D3DED1;
  }
  .game-thumb{
    position:relative;
    aspect-ratio:16 / 10;
    overflow:hidden;
    background:#E9EDE6;
  }
  .game-thumb img{
    width:100%;height:100%;
    object-fit:cover;
    transition:transform .3s ease;
  }
  .game-card:hover .game-thumb img{transform:scale(1.03)}
  .game-tag{
    position:absolute;
    left:12px;top:12px;
    background:rgba(255,255,255,.94);
    color:var(--brand-600);
    font-size:12px;font-weight:600;
    padding:4px 11px;
    border-radius:999px;
  }
  .game-body{
    display:flex;
    flex-direction:column;
    gap:8px;
    padding:18px 20px 20px;
    flex:1;
  }
  .game-body h3{font-size:17px;font-weight:600;line-height:1.45}
  .game-body p{font-size:14px;line-height:1.8;color:var(--ink-2)}
  .game-more{
    margin-top:auto;
    padding-top:6px;
    display:inline-flex;align-items:center;gap:7px;
    font-size:14px;font-weight:600;
    color:var(--brand-600);
    text-decoration:none;
  }
  .game-more i{transition:transform .2s ease}
  .game-card:hover .game-more i{transform:translateX(4px)}

  .load-more{
    margin-top:34px;
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:12px;
  }
  .load-note{font-size:13px;color:var(--ink-3)}

  /* ---------- 专题横滚 ---------- */
  .topic-rail{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:22px;
  }
  .topic-card{
    background:var(--bg-surface);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    overflow:hidden;
    display:flex;
    flex-direction:column;
    transition:transform .2s ease,box-shadow .2s ease;
  }
  .topic-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md)}
  .topic-thumb{aspect-ratio:16 / 9;overflow:hidden;background:#E9EDE6}
  .topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
  .topic-card:hover .topic-thumb img{transform:scale(1.03)}
  .topic-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
  .topic-body h3{font-size:17px;font-weight:600;line-height:1.45}
  .topic-body p{font-size:14px;line-height:1.8;color:var(--ink-2)}

  /* ---------- 图文分栏 ---------- */
  .split{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:52px;
    align-items:center;
  }
  .split h2{font-size:28px;font-weight:700;line-height:1.3;margin-bottom:16px}
  .split p{font-size:15px;line-height:1.9;color:var(--ink-2);margin-bottom:16px}
  .check-list{display:flex;flex-direction:column;gap:10px;margin:20px 0 26px}
  .check-list li{
    display:flex;gap:10px;align-items:flex-start;
    font-size:15px;line-height:1.8;color:var(--ink-1);
  }
  .check-list i{color:var(--brand-600);margin-top:5px;font-size:13px}
  .split-media{
    border-radius:var(--r-img);
    overflow:hidden;
    box-shadow:var(--sh-lg);
    border:1px solid var(--line);
    aspect-ratio:4 / 3;
    background:#E9EDE6;
  }
  .split-media img{width:100%;height:100%;object-fit:cover}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:860px;margin:0 auto}
  .faq-item{
    background:var(--bg-surface);
    border:1px solid var(--line);
    border-radius:14px;
    margin-bottom:12px;
    overflow:hidden;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item:hover{border-color:#D3DED1}
  .faq-item[open]{box-shadow:var(--sh-sm)}
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:18px 20px;
    font-size:16px;
    font-weight:600;
    color:var(--ink-1);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"+";
    flex:0 0 26px;
    height:26px;
    display:flex;align-items:center;justify-content:center;
    border-radius:999px;
    background:var(--brand-tint);
    color:var(--brand-600);
    font-size:17px;font-weight:700;
    line-height:1;
    transition:.2s ease;
  }
  .faq-item[open] summary::after{content:"−";background:var(--brand);color:#0B1F19}
  .faq-item p{
    padding:0 20px 20px;
    font-size:15px;
    line-height:1.9;
    color:var(--ink-2);
  }

  /* ---------- CTA 带 ---------- */
  .cta-band{
    position:relative;
    background:var(--bg-deep);
    color:var(--ink-inv-1);
    padding:84px 0;
    text-align:center;
    overflow:hidden;
  }
  .cta-band::before{
    content:"";
    position:absolute;
    width:420px;height:420px;
    right:-120px;top:-160px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(18,216,160,.22),transparent 68%);
  }
  .cta-band .container{position:relative;z-index:2}
  .cta-band h2{font-size:30px;font-weight:700;line-height:1.3;margin-bottom:14px;color:#fff}
  .cta-band p{
    font-size:15px;line-height:1.9;
    color:var(--ink-inv-2);
    max-width:620px;margin:0 auto 30px;
  }
  .cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--bg-deep);
    color:var(--ink-inv-2);
    padding:64px 0 26px;
    border-top:1px solid rgba(255,255,255,.08);
  }
  .footer-top{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.2fr;
    gap:36px;
    padding-bottom:40px;
    border-bottom:1px solid rgba(255,255,255,.10);
  }
  .footer-brand p{
    font-size:14px;
    line-height:1.9;
    color:var(--ink-inv-2);
    margin-top:16px;
    max-width:340px;
  }
  .footer-title{
    font-size:15px;
    font-weight:600;
    color:var(--ink-inv-1);
    margin-bottom:16px;
  }
  .footer-links{display:flex;flex-direction:column;gap:11px}
  .footer-links a{
    font-size:14px;
    color:var(--ink-inv-2);
    text-decoration:none;
    transition:color .2s ease;
  }
  .footer-links a:hover{color:var(--brand)}
  .footer-contact{display:flex;gap:16px;align-items:flex-start}
  .qr-box{
    width:88px;height:88px;
    border-radius:12px;
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.12);
    display:flex;align-items:center;justify-content:center;
    color:rgba(237,243,238,.55);
    font-size:30px;
    flex-shrink:0;
  }
  .footer-contact p{font-size:13px;line-height:1.9;color:var(--ink-inv-2)}
  .footer-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    flex-wrap:wrap;
    padding-top:22px;
    font-size:13px;
    color:rgba(169,182,173,.85);
  }
  .footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px}
  .footer-bottom-links a{color:rgba(169,182,173,.85);text-decoration:none;transition:color .2s}
  .footer-bottom-links a:hover{color:var(--brand)}

  /* ---------- 响应式 ---------- */
  @media (max-width:1100px){
    .hero-grid{grid-template-columns:1fr;gap:28px;align-items:start}
    .hero-stats{justify-content:flex-start}
    .mega-panel{width:820px;grid-template-columns:1.1fr 1fr}
    .mega-promo{display:none}
  }
  @media (max-width:1023px){
    .menu-toggle{display:inline-flex}
    .main-nav{
      position:absolute;
      top:100%;left:0;right:0;
      display:none;
      flex-direction:column;
      align-items:stretch;
      gap:0;
      background:#11151B;
      border-bottom:1px solid rgba(255,255,255,.10);
      padding:8px 20px 18px;
      max-height:calc(100vh - 72px);
      overflow-y:auto;
      box-shadow:var(--sh-lg);
    }
    .site-header.nav-open .main-nav{display:flex}
    .nav-link{height:50px;padding:0 6px;font-size:15px}
    .nav-link::after{display:none}
    .nav-drop{display:block}
    .mega-panel{display:none}
    .hall-layout{grid-template-columns:1fr;gap:24px}
    .hall-side{position:static}
    .game-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .topic-rail{grid-template-columns:repeat(2,minmax(0,1fr))}
    .split{grid-template-columns:1fr;gap:28px}
    .footer-top{grid-template-columns:1fr 1fr;gap:30px}
    .header-actions .btn{display:none}
  }
  @media (max-width:640px){
    body{font-size:15.5px}
    .cat-hero{padding:36px 0 42px}
    .cat-hero h1{font-size:26px}
    .hero-sub{font-size:15px}
    .hero-stats{gap:16px;flex-wrap:wrap}
    .hero-stat .num{font-size:23px}
    .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
    .section-head h2,.hall-head h2{font-size:21px}
    .hall-head{flex-direction:column;align-items:flex-start;gap:12px}
    .game-grid{grid-template-columns:1fr;gap:18px}
    .topic-rail{
      display:flex;
      overflow-x:auto;
      gap:14px;
      padding-bottom:10px;
      scroll-snap-type:x mandatory;
      -webkit-overflow-scrolling:touch;
    }
    .topic-rail > *{min-width:272px;scroll-snap-align:start}
    .split h2{font-size:22px}
    .cta-band{padding:56px 0}
    .cta-band h2{font-size:22px}
    .cta-actions .btn{width:100%}
    .footer-top{grid-template-columns:1fr;gap:26px;padding-bottom:30px}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
    .faq-item summary{font-size:15px;padding:16px 16px}
    .faq-item p{padding:0 16px 18px}
    .load-more .btn{width:100%}
  }

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --brand:#12D8A0;
  --brand-600:#0A8F6B;
  --brand-tint:#E4F8F0;
  --accent:#FF8A1F;
  --accent-tint:#FFF1E0;
  --hot:#FF4D6D;
  --bg-base:#F4F6F2;
  --bg-surface:#FFFFFF;
  --bg-deep:#11151B;
  --bg-deep-2:#191E26;
  --line:#E3E7DF;
  --line-inv:rgba(255,255,255,.10);
  --ink-1:#171B20;
  --ink-2:#5A6472;
  --ink-3:#8A93A0;
  --ink-inv-1:#EDF3EE;
  --ink-inv-2:#A9B6AD;
  --radius-sm:10px;
  --radius-card:16px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(17,21,27,.06);
  --shadow-md:0 8px 24px -12px rgba(17,21,27,.18);
  --shadow-lg:0 24px 48px -24px rgba(17,21,27,.28);
  --font-num:"Space Grotesk","Inter","PingFang SC",system-ui,sans-serif;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.9;color:var(--ink-1);background:var(--bg-base);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0}
h1{font-size:clamp(26px,3.4vw,40px);line-height:1.25;font-weight:800;letter-spacing:0}
h2{font-size:clamp(21px,2.3vw,29px);line-height:1.3;font-weight:700}
h3{font-size:18px;line-height:1.45;font-weight:600}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand-tint);color:var(--brand-600)}

/* ============ 容器 ============ */
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1280px){.container{padding-left:40px;padding-right:40px}}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand);color:#0B1F19;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:#0FBF8D;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border:1.5px solid var(--ink-1);color:var(--ink-1);background:transparent}
.btn-outline:hover{background:var(--ink-1);color:#fff}
.btn-ghost-inv{border:1.5px solid rgba(255,255,255,.35);color:#fff;background:transparent}
.btn-ghost-inv:hover{border-color:var(--brand);color:var(--brand)}
.btn-line{border:1px solid var(--line);color:var(--ink-1);background:#fff}
.btn-line:hover{border-color:var(--brand);color:var(--brand-600);background:var(--brand-tint)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-xs{height:34px;padding:0 14px;font-size:13px;border-radius:9px}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;font-size:15px}
.text-link i{transition:transform .2s ease}
.text-link:hover i{transform:translateX(3px)}

.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--brand-tint);color:var(--brand-600);white-space:nowrap}
.tag-accent{background:var(--accent-tint);color:var(--accent-deep)}
.tag-hot{background:rgba(255,77,109,.12);color:#C82745}
.tag-dark{background:var(--ink-1);color:#fff}
.tag-ghost{background:#F1F3EE;color:var(--ink-2)}

.section{padding:56px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:8px;max-width:620px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-600);text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}

/* ============ 页头导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(17,21,27,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line-inv)}
.header-inner{display:flex;align-items:center;gap:16px;height:72px;transition:height .2s ease}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink-inv-1)}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--brand);color:#0B1F19;display:grid;place-items:center;font-size:16px;flex:none}
.brand-text{font-size:18px;font-weight:800;white-space:nowrap;letter-spacing:0}
.main-nav{display:none}
@media (min-width:1024px){
  .main-nav{display:flex;align-items:center;gap:2px;margin-left:18px}
}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;border-radius:8px;font-size:15px;font-weight:500;color:var(--ink-inv-2);
  transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;background:var(--brand);border-radius:2px;transition:left .2s ease,right .2s ease}
.nav-link:hover{color:#fff}
.nav-link:hover::after,.nav-link.is-active::after{left:12px;right:12px}
.nav-link.is-active{color:#fff;font-weight:600}
.nav-drop{position:relative}
.mega-panel{
  position:absolute;top:calc(100% + 14px);left:50%;
  transform:translate(-50%,6px);
  width:1080px;max-width:calc(100vw - 48px);
  background:#fff;color:var(--ink-1);
  border-radius:18px;border-top:3px solid var(--brand);
  box-shadow:var(--shadow-lg);padding:26px;
  display:grid;grid-template-columns:1fr 1.15fr .9fr;gap:26px;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
  z-index:90;
}
.nav-drop:hover .mega-panel,.nav-drop:focus-within .mega-panel{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.mega-title{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.06em;margin-bottom:12px}
.mega-link{display:block;padding:8px 10px;border-left:2px solid transparent;border-radius:8px;font-size:14px;color:var(--ink-2);transition:all .18s ease}
.mega-link:hover{color:var(--brand-600);border-left-color:var(--brand);background:var(--brand-tint)}
.mega-card{display:flex;gap:12px;padding:10px;border-radius:14px;border:1px solid var(--line);transition:box-shadow .2s ease,transform .2s ease}
.mega-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.mega-card img{width:80px;height:56px;object-fit:cover;border-radius:10px;flex:none}
.mega-card-body{display:flex;flex-direction:column;justify-content:center;gap:2px}
.mega-card-body strong{font-size:14px;font-weight:600;line-height:1.45}
.mega-card-body span{font-size:12px;color:var(--ink-3)}
.mega-promo{background:var(--brand-tint);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:10px}
.mega-promo strong{font-size:16px;font-weight:700;color:#0B3A2C}
.mega-promo p{font-size:13px;line-height:1.8;color:#2C5C4C}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{width:40px;height:40px;border-radius:10px;border:1px solid var(--line-inv);color:var(--ink-inv-1);display:grid;place-items:center;transition:all .2s ease}
.icon-btn:hover{border-color:var(--brand);color:var(--brand)}
.nav-toggle{display:grid;place-items:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--line-inv);color:#fff;font-size:16px}
@media (min-width:1024px){.nav-toggle{display:none}}
.nav-toggle-input{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.mobile-drawer{display:none;background:var(--bg-deep-2);border-top:1px solid var(--line-inv);padding:14px 0 22px}
.nav-toggle-input:checked ~ .mobile-drawer{display:block}
@media (min-width:1024px){.mobile-drawer{display:none !important}}
.drawer-link{display:block;padding:12px 0;border-bottom:1px solid var(--line-inv);color:var(--ink-inv-1);font-size:15px;font-weight:500}
.drawer-link.is-active{color:var(--brand)}
.drawer-sub{display:flex;flex-wrap:wrap;gap:8px;padding:14px 0 4px}
.drawer-sub a{font-size:13px;color:var(--ink-inv-2);border:1px solid var(--line-inv);border-radius:999px;padding:5px 12px}
.drawer-sub a:hover{color:var(--brand);border-color:var(--brand)}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;color:var(--ink-inv-1);
  background:var(--bg-deep) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(17,21,27,.95) 0%,rgba(17,21,27,.78) 58%,rgba(17,21,27,.9) 100%);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.045) 0 1px,transparent 1px 40px),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 40px);
  opacity:.6;
}
.cat-hero > .container{position:relative;z-index:2;min-height:260px;display:flex;flex-direction:column;justify-content:center;padding-top:24px;padding-bottom:34px}
@media (min-width:1024px){.cat-hero > .container{min-height:320px;padding-top:30px;padding-bottom:44px}}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-inv-2);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span.sep{color:rgba(255,255,255,.3)}
.breadcrumb .current{color:var(--ink-inv-1)}
.hero-grid{display:flex;flex-direction:column;gap:22px}
@media (min-width:1024px){.hero-grid{flex-direction:row;align-items:flex-end;justify-content:space-between;gap:48px}}
.cat-hero h1{color:#fff;max-width:720px}
.cat-hero .hero-lead{margin-top:12px;color:var(--ink-inv-2);font-size:15px;line-height:1.85;max-width:640px}
.hero-stats{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.hero-stat{padding:0 20px;border-left:1px solid var(--line-inv)}
.hero-stat:first-child{padding-left:0;border-left:0}
.hero-stat b{display:block;font-family:var(--font-num);font-size:24px;font-weight:700;color:var(--accent);letter-spacing:.02em;line-height:1.3}
.hero-stat span{font-size:13px;color:var(--ink-inv-2)}
.hero-update{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:13px;color:var(--ink-inv-2)}
.hero-update i{color:var(--brand)}

/* ============ 筛选条 ============ */
.filter-bar{
  background:var(--bg-surface);border-bottom:1px solid var(--line);
}
.filter-inner{display:flex;align-items:center;gap:10px;padding:14px 0;overflow-x:auto;scrollbar-width:thin}
.filter-inner::-webkit-scrollbar{height:4px}
.filter-inner::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
.chip{
  flex:none;display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink-2);
  transition:all .2s ease;white-space:nowrap;
}
.chip:hover{border-color:var(--brand);color:var(--brand-600);background:var(--brand-tint)}
.chip.is-on{background:var(--brand-600);border-color:var(--brand-600);color:#fff;font-weight:600}
.filter-note{margin-left:auto;font-size:13px;color:var(--ink-3);white-space:nowrap;padding-left:12px}

/* ============ 前三名 ============ */
.top-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.top-grid{grid-template-columns:repeat(3,1fr);gap:20px}}
@media (min-width:1280px){.top-grid{gap:24px}}
.top-card{
  position:relative;background:var(--bg-surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:12px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.top-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.top-card.is-first{border:1.5px solid var(--brand);box-shadow:var(--shadow-md);transform:translateY(-6px)}
.top-card.is-first:hover{transform:translateY(-8px)}
.top-rank{
  position:absolute;top:14px;right:18px;
  font-family:var(--font-num);font-size:44px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px var(--accent);letter-spacing:.02em;
}
@media (min-width:768px){.top-rank{font-size:52px}}
.top-card.is-first .top-rank{-webkit-text-stroke:1.5px var(--brand)}
.top-cover{border-radius:12px;overflow:hidden;aspect-ratio:16/10;background:#EDEFE9}
.top-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.top-card:hover .top-cover img{transform:scale(1.04)}
.top-card h3{font-size:19px;font-weight:700}
.top-card p{font-size:14px;line-height:1.85;color:var(--ink-2)}
.top-metrics{display:flex;gap:22px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.metric b{display:block;font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--accent);letter-spacing:.02em;line-height:1.35}
.metric span{font-size:12px;color:var(--ink-3)}

/* ============ 榜单列表 ============ */
.rank-list{background:var(--bg-surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm)}
.rank-row{
  display:grid;grid-template-columns:56px 1fr auto;align-items:center;gap:14px;
  padding:16px 18px;border-bottom:1px solid var(--line);transition:background-color .2s ease;
}
.rank-row:last-child{border-bottom:0}
.rank-row:hover{background:#F8FAF6}
.rank-row:hover .rank-no{color:var(--brand)}
.rank-no{
  font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--ink-3);letter-spacing:.02em;
  transition:color .2s ease;
}
.rank-thumb{display:none}
.rank-main{min-width:0;display:flex;flex-direction:column;gap:6px}
.rank-main h3{font-size:17px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-tags{display:flex;gap:6px;flex-wrap:wrap}
.rank-metrics{display:none}
.rank-cta{justify-self:end}
@media (min-width:768px){
  .rank-row{grid-template-columns:56px 52px 1fr 190px 100px;gap:18px;padding:18px 22px;min-height:72px}
  .rank-thumb{display:block;width:52px;height:52px;border-radius:12px;overflow:hidden;background:#EDEFE9}
  .rank-thumb img{width:100%;height:100%;object-fit:cover}
  .rank-metrics{display:flex;gap:26px;justify-content:flex-end}
}
.rank-foot{display:flex;justify-content:center;padding-top:26px}

/* ============ 榜单依据 ============ */
.basis-wrap{display:grid;grid-template-columns:1fr;gap:26px;align-items:start}
@media (min-width:1024px){.basis-wrap{grid-template-columns:4fr 8fr;gap:40px}}
.basis-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:16/11;box-shadow:var(--shadow-md)}
.basis-figure img{width:100%;height:100%;object-fit:cover}
.basis-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:13px;color:#E9F2EC;
  background:linear-gradient(180deg,rgba(17,21,27,0) 0%,rgba(17,21,27,.82) 100%);
}
.basis-list{display:flex;flex-direction:column}
.basis-item{display:grid;grid-template-columns:44px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
.basis-item:first-child{padding-top:0}
.basis-item:last-child{border-bottom:0;padding-bottom:0}
.basis-num{
  width:44px;height:44px;border-radius:12px;background:var(--brand-tint);color:var(--brand-600);
  display:grid;place-items:center;font-family:var(--font-num);font-weight:700;font-size:16px;
}
.basis-item h3{margin-bottom:6px}
.basis-item p{font-size:15px;color:var(--ink-2);line-height:1.9}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{background:var(--bg-surface);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:#CFE9DF;box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 20px;font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:14px;color:var(--ink-1);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:none;width:26px;height:26px;border-radius:8px;background:var(--brand-tint);color:var(--brand-600);
  display:grid;place-items:center;font-size:17px;font-weight:600;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 20px 18px;font-size:15px;line-height:1.9;color:var(--ink-2)}

/* ============ CTA 带 ============ */
.cta-band{position:relative;background:var(--bg-deep);color:var(--ink-inv-1);overflow:hidden;text-align:center}
.cta-band::before{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,216,160,.22) 0%,rgba(18,216,160,0) 68%);
  left:50%;top:-260px;transform:translateX(-50%);
}
.cta-inner{position:relative;z-index:2;padding:72px 0}
@media (min-width:1024px){.cta-inner{padding:88px 0}}
.cta-band h2{color:#fff}
.cta-band p{margin:14px auto 26px;max-width:620px;font-size:15px;color:var(--ink-inv-2);line-height:1.9}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-deep);color:var(--ink-inv-2);padding-top:56px}
.footer-top{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:40px;border-bottom:1px solid var(--line-inv)}
@media (min-width:768px){.footer-top{grid-template-columns:1.5fr 1fr 1fr}}
@media (min-width:1024px){.footer-top{grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:40px}}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;max-width:340px}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--ink-inv-2);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:var(--brand)}
.footer-contact{display:flex;gap:14px;align-items:flex-start}
.qr-box{width:88px;height:88px;border-radius:12px;background:var(--bg-deep-2);border:1px solid var(--line-inv);display:grid;place-items:center;font-size:30px;color:var(--ink-inv-2);flex:none}
.footer-contact p{font-size:13px;line-height:2}
.footer-bottom{display:flex;flex-direction:column;gap:12px;padding:22px 0;font-size:13px}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}
.footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom-links a:hover{color:var(--brand)}

/* roulang page: category3 */
:root{
  --brand:#12D8A0;
  --brand-600:#0A8F6B;
  --brand-tint:#E4F8F0;
  --accent:#FF8A1F;
  --accent-tint:#FFF1E0;
  --hot:#FF4D6D;
  --bg-base:#F4F6F2;
  --bg-surface:#FFFFFF;
  --bg-deep:#11151B;
  --bg-deep-2:#191E26;
  --line:#E3E7DF;
  --line-inv:rgba(255,255,255,.10);
  --ink-1:#171B20;
  --ink-2:#5A6472;
  --ink-3:#8A93A0;
  --ink-inv-1:#EDF3EE;
  --ink-inv-2:#A9B6AD;
  --r-sm:10px;
  --r-card:16px;
  --r-lg:20px;
  --sh-sm:0 1px 2px rgba(17,21,27,.06);
  --sh-md:0 8px 24px -12px rgba(17,21,27,.18);
  --sh-lg:0 24px 48px -24px rgba(17,21,27,.28);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink-1);
  background:var(--bg-base);
  -webkit-font-smoothing:antialiased;
}
.num-font{font-family:"Space Grotesk",Inter,"PingFang SC",sans-serif;letter-spacing:.02em;}
img{max-width:100%;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}
@media (min-width:1280px){.container{padding:0 40px;}}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(17,21,27,.93);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-inv);
}
.header-inner{position:relative;display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;flex:none;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand);color:#0B1F19;
  display:flex;align-items:center;justify-content:center;font-size:16px;flex:none;
}
.brand-text{font-size:17px;font-weight:700;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:5px;
  padding:10px 14px;border-radius:8px;color:var(--ink-inv-2);
  font-size:15px;font-weight:500;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;
  background:var(--brand);transform:translateX(-50%);
  transition:width .2s ease;
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{width:58%;}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{width:58%;}
.nav-drop{position:relative;}
.nav-drop::after{content:"";position:absolute;left:-10px;right:-10px;top:100%;height:16px;}
.mega-panel{
  position:absolute;top:calc(100% + 12px);left:50%;
  transform:translate(-50%,6px);
  width:min(1080px,calc(100vw - 48px));
  background:#fff;border-radius:18px;border-top:3px solid var(--brand);
  box-shadow:var(--sh-lg);padding:24px;z-index:70;
  display:grid;grid-template-columns:1.05fr 1.15fr 1fr;gap:24px;
  opacity:0;visibility:hidden;
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
}
.nav-drop:hover .mega-panel,
.nav-drop:focus-within .mega-panel{opacity:1;visibility:visible;transform:translate(-50%,0);}
.mega-title{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.04em;margin-bottom:10px;}
.mega-link{
  display:block;padding:8px 10px;border-radius:8px;font-size:14px;color:var(--ink-2);
  border-left:2px solid transparent;transition:all .18s ease;
}
.mega-link:hover{color:var(--brand-600);background:var(--brand-tint);border-left-color:var(--brand);}
.mega-card{
  display:flex;align-items:center;gap:10px;padding:8px;border-radius:12px;
  border:1px solid var(--line);transition:all .18s ease;
}
.mega-card:hover{border-color:var(--brand);box-shadow:var(--sh-sm);}
.mega-card img{width:58px;height:46px;object-fit:cover;border-radius:8px;flex:none;}
.mega-card-body strong{display:block;font-size:14px;font-weight:600;line-height:1.5;}
.mega-card-body span{display:block;font-size:12px;color:var(--ink-3);}
.mega-promo{background:var(--brand-tint);border-radius:14px;padding:18px;}
.mega-promo strong{display:block;font-size:16px;font-weight:700;color:var(--ink-1);}
.mega-promo p{font-size:13.5px;line-height:1.8;color:var(--ink-2);margin:8px 0 12px;}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-size:14px;font-weight:600;}
.text-link i{transition:transform .2s ease;}
.text-link:hover i{transform:translateX(3px);}
.header-actions{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line-inv);
  background:transparent;color:var(--ink-inv-2);display:inline-flex;align-items:center;
  justify-content:center;cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);}
.nav-toggle-input{display:none;}
.nav-toggle{display:none;}

/* ===== Buttons ===== */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-sm);border:1px solid transparent;
  background:var(--brand);color:#0B1F19;font-weight:600;font-size:15px;cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary:hover{background:#0FBF8D;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-sm);
  border:1.5px solid var(--ink-1);background:transparent;color:var(--ink-1);
  font-weight:600;font-size:15px;cursor:pointer;transition:all .2s ease;
}
.btn-outline:hover{background:var(--ink-1);color:#fff;}
.btn-ghost-inv{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.35);background:transparent;color:#fff;
  font-weight:600;font-size:15px;cursor:pointer;transition:all .2s ease;
}
.btn-ghost-inv:hover{border-color:var(--brand);color:var(--brand);}

/* ===== Hero ===== */
.hero-entry{
  position:relative;overflow:hidden;color:#fff;
  background:#11151B url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.hero-entry::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(95deg,rgba(9,13,18,.94) 0%,rgba(9,13,18,.80) 46%,rgba(9,13,18,.52) 100%);
}
.hero-entry::after{
  content:"";position:absolute;inset:0;opacity:.55;
  background-image:
    repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 40px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 40px);
}
.hero-entry .container{position:relative;z-index:2;}
.hero-inner{min-height:320px;display:flex;flex-direction:column;justify-content:center;padding:38px 0 40px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-inv-2);margin-bottom:16px;}
.breadcrumb a{transition:color .18s ease;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{opacity:.5;}
.hero-row{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;flex-wrap:wrap;}
.hero-entry h1{font-size:34px;line-height:1.25;font-weight:800;margin:0 0 12px;letter-spacing:0;}
.hero-sub{font-size:16px;line-height:1.85;color:var(--ink-inv-2);max-width:620px;margin:0;}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:26px;padding-top:20px;border-top:1px solid var(--line-inv);}
.hs-item{display:flex;flex-direction:column;min-width:104px;}
.hs-item .num{font-size:22px;font-weight:700;color:var(--accent);line-height:1.4;}
.hs-item .lbl{font-size:13px;color:var(--ink-inv-2);}

/* ===== Layout ===== */
.entry-layout{
  display:grid;grid-template-columns:260px minmax(0,1fr);gap:28px;
  align-items:start;padding:56px 0 72px;
}
.entry-side{position:sticky;top:94px;display:grid;gap:18px;}
.anchor-nav{background:var(--bg-surface);border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--sh-sm);}
.an-title{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.04em;margin-bottom:10px;}
.anchor-nav a{
  display:block;padding:9px 12px;border-radius:10px;font-size:14px;color:var(--ink-2);
  border-left:2px solid transparent;transition:all .18s ease;
}
.anchor-nav a:hover{background:var(--bg-base);color:var(--ink-1);}
.anchor-nav a.is-current{
  color:var(--brand-600);background:var(--brand-tint);
  border-left-color:var(--brand);font-weight:600;
}
.side-card{background:var(--bg-deep);border-radius:16px;padding:18px;}
.side-card .sc-title{font-size:13px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:10px;}
.sc-link{
  display:flex;align-items:center;gap:9px;font-size:14px;padding:9px 10px;
  border-radius:10px;color:var(--ink-inv-2);transition:all .18s ease;
}
.sc-link:hover{background:rgba(255,255,255,.07);color:var(--brand);}
.sc-link i{width:16px;text-align:center;color:var(--brand);font-size:13px;}

/* ===== Sections ===== */
.section-block{margin-bottom:56px;scroll-margin-top:100px;}
.section-block:last-child{margin-bottom:0;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-600);background:var(--brand-tint);
  padding:3px 10px;border-radius:999px;margin-bottom:10px;
}
.section-head h2{font-size:26px;line-height:1.3;font-weight:700;margin:0 0 8px;}
.section-head p{font-size:15px;line-height:1.9;color:var(--ink-2);max-width:700px;margin:0 0 22px;}
.section-head{margin-bottom:22px;}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.step-card{
  background:var(--bg-surface);border:1px solid var(--line);border-radius:16px;
  padding:22px;box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);}
.step-num{
  width:40px;height:40px;border-radius:10px;background:var(--brand-tint);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;margin-bottom:14px;
}
.step-card h3{font-size:18px;font-weight:600;line-height:1.45;margin:0 0 8px;}
.step-card p{font-size:14.5px;line-height:1.85;color:var(--ink-2);margin:0;}

/* media row */
.media-row{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;align-items:center;
  background:var(--bg-surface);border:1px solid var(--line);border-radius:20px;
  padding:24px;box-shadow:var(--sh-sm);
}
.media-title{font-size:20px;font-weight:600;line-height:1.45;margin:0 0 10px;}
.media-text{font-size:15px;line-height:1.9;color:var(--ink-2);margin:0 0 14px;}
.media-row img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;}
.check-list{list-style:none;margin:0;padding:0;}
.check-list li{
  display:flex;gap:10px;font-size:14.5px;line-height:1.8;color:var(--ink-2);
  padding:9px 0;border-bottom:1px solid var(--line);
}
.check-list li:last-child{border-bottom:none;}
.check-list i{color:var(--brand-600);font-size:13px;margin-top:7px;flex:none;}

/* FAQ */
.faq-list{display:grid;gap:12px;}
.faq-item{background:var(--bg-surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;}
.faq-item:hover{border-color:#CFD8CE;}
.faq-item[open]{border-color:var(--brand);box-shadow:var(--sh-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:14px;padding:18px 20px;font-size:16px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;line-height:1;color:var(--ink-3);flex:none;}
.faq-item[open] summary{color:var(--brand-600);}
.faq-item[open] summary::after{content:"−";color:var(--brand-600);}
.faq-body{padding:0 20px 18px;font-size:15px;line-height:1.9;color:var(--ink-2);}

/* form */
.form-card{
  background:var(--bg-surface);border:1px solid var(--line);border-radius:16px;
  padding:26px;box-shadow:var(--sh-md);max-width:640px;
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:500;margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;height:44px;border:1px solid var(--line);border-radius:10px;
  padding:0 14px;background:#fff;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field select{
  appearance:none;-webkit-appearance:none;padding-right:38px;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A6472' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,216,160,.18);
}
.form-hint{font-size:13px;line-height:1.8;color:var(--ink-3);margin-top:12px;}
.form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px;}

/* CTA */
.cta-wrap{margin:0 0 72px;}
.cta-band{
  position:relative;overflow:hidden;background:var(--bg-deep);color:#fff;
  border-radius:20px;padding:56px 32px;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  top:-160px;right:-90px;
  background:radial-gradient(circle,rgba(18,216,160,.24),transparent 70%);
}
.cta-band::after{
  content:"";position:absolute;width:360px;height:360px;border-radius:50%;
  bottom:-180px;left:-70px;
  background:radial-gradient(circle,rgba(255,138,31,.16),transparent 70%);
}
.cta-band h2{position:relative;z-index:2;font-size:26px;font-weight:700;line-height:1.35;margin:0 0 10px;}
.cta-band p{position:relative;z-index:2;font-size:15px;color:var(--ink-inv-2);margin:0 auto 24px;max-width:560px;}
.cta-band .btn-primary{position:relative;z-index:2;}

/* Footer */
.site-footer{background:var(--bg-deep);color:var(--ink-inv-2);padding-top:56px;}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:28px;padding-bottom:36px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.9;max-width:330px;margin:0;}
.footer-title{color:#fff;font-size:14px;font-weight:700;letter-spacing:.02em;margin-bottom:14px;}
.footer-links a{display:block;font-size:14px;padding:6px 0;color:var(--ink-inv-2);transition:color .18s ease;}
.footer-links a:hover{color:var(--brand);}
.footer-contact{display:flex;gap:14px;}
.qr-box{
  width:88px;height:88px;border-radius:12px;flex:none;
  background:rgba(255,255,255,.06);border:1px solid var(--line-inv);
  display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--ink-inv-2);
}
.footer-contact p{font-size:13.5px;line-height:1.85;margin:0;}
.footer-bottom{
  border-top:1px solid var(--line-inv);padding:18px 0;
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;
}
.footer-bottom-links{display:flex;gap:16px;flex-wrap:wrap;}
.footer-bottom-links a{transition:color .18s ease;}
.footer-bottom-links a:hover{color:var(--brand);}

/* ===== Responsive ===== */
@media (max-width:1023px){
  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:10px;border:1px solid var(--line-inv);
    color:var(--ink-inv-1);cursor:pointer;margin-left:auto;
  }
  .header-actions{display:none;}
  .main-nav{display:none;}
  .nav-toggle-input:checked ~ .main-nav{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    position:absolute;left:0;right:0;top:72px;
    background:#fff;border-radius:0 0 16px 16px;padding:14px;
    box-shadow:var(--sh-lg);max-height:calc(100vh - 72px);overflow:auto;
  }
  .main-nav .nav-link{color:var(--ink-1);padding:12px;border-radius:10px;justify-content:space-between;}
  .main-nav .nav-link::after{display:none;}
  .main-nav .nav-link:hover{background:var(--bg-base);color:var(--ink-1);}
  .main-nav .nav-link.is-active{color:var(--brand-600);background:var(--brand-tint);}
  .main-nav .mega-panel{display:none;}

  .entry-layout{grid-template-columns:minmax(0,1fr);gap:22px;padding:36px 0 56px;}
  .entry-side{position:static;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .hero-entry h1{font-size:26px;}
  .hero-inner{min-height:260px;padding:28px 0 32px;}
  .hero-sub{font-size:15px;}
  .hero-stats{gap:18px;}
  .hs-item{min-width:92px;}
  .entry-layout{padding:28px 0 48px;}
  .section-block{margin-bottom:44px;}
  .section-head h2{font-size:22px;}
  .steps{grid-template-columns:minmax(0,1fr);}
  .media-row{grid-template-columns:minmax(0,1fr);padding:18px;gap:18px;}
  .faq-item summary{padding:16px;font-size:15.5px;}
  .faq-body{padding:0 16px 16px;font-size:14.5px;}
  .form-card{padding:20px;}
  .form-actions .btn-primary{width:100%;}
  .cta-band{padding:44px 20px;}
  .cta-band h2{font-size:22px;}
  .footer-top{grid-template-columns:minmax(0,1fr);gap:22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}