/* roulang page: index */
:root{
  --bg-0:#060A14; --bg-1:#0A101F; --bg-2:#0F1729;
  --line:rgba(120,170,255,.14);
  --brand:#2E6BFF; --brand-2:#22E1C8; --accent:#FF4E8E;
  --txt:#E8EEFB; --txt-2:#A9B6D0; --txt-3:#6D7C99;
  --grad-nav:linear-gradient(100deg,#123A8A 0%,#2E6BFF 42%,#22E1C8 100%);
  --grad-btn:linear-gradient(120deg,#2E6BFF,#22E1C8);
  --r-s:8px; --r-m:14px; --r-l:20px; --r-xl:28px;
  --sh-card:0 18px 40px -24px rgba(0,0,0,.9);
  --sh-glow:0 0 0 1px rgba(46,107,255,.35),0 12px 40px -12px rgba(46,107,255,.55);
  --sp-section:clamp(56px,7vw,96px);
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;color:var(--txt);background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 78% -10%,rgba(34,225,200,.08),transparent 70%),
    repeating-linear-gradient(0deg,rgba(120,170,255,.04) 0 1px,transparent 1px 72px),
    repeating-linear-gradient(90deg,rgba(120,170,255,.04) 0 1px,transparent 1px 72px);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;background-color:var(--bg-2)}
a{color:var(--brand-2);text-decoration:none;text-underline-offset:3px}
a:hover{text-decoration:underline}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.wrap{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ===== header ===== */
.site-header{position:sticky;top:0;z-index:90;background:var(--grad-nav);border-bottom:1px solid rgba(255,255,255,.16);transition:box-shadow .25s ease}
.site-header.shrink{box-shadow:0 14px 34px -18px rgba(0,0,0,.95)}
.nav-row{max-width:var(--w);margin:0 auto;padding:0 24px;height:76px;display:flex;align-items:center;gap:26px;transition:height .25s ease}
.site-header.shrink .nav-row{height:62px}
.logo{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0;text-decoration:none}
.logo:hover{text-decoration:none}
.logo-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);font-weight:700;font-size:17px;color:#fff}
.logo-txt{display:flex;flex-direction:column;line-height:1.2}
.logo-txt strong{font-size:16px;font-weight:700;color:#fff;letter-spacing:.01em}
.logo-txt small{font-size:10px;letter-spacing:.2em;color:rgba(255,255,255,.74);text-transform:uppercase}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{color:rgba(255,255,255,.9);font-size:14.5px;padding:9px 13px;border-radius:var(--r-s);transition:background .2s ease,color .2s ease}
.nav-link:hover{background:rgba(255,255,255,.16);color:#fff;text-decoration:none}
.nav-link.active{background:rgba(255,255,255,.2);color:#fff;font-weight:500}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:#fff;color:#10306F;font-weight:700;font-size:14.5px;padding:10px 20px;border-radius:var(--r-m);white-space:nowrap;transition:transform .2s ease,box-shadow .2s ease}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 10px 24px -12px rgba(0,0,0,.8);text-decoration:none}
.nav-toggle{display:none;width:42px;height:42px;place-items:center;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);border-radius:12px;color:#fff;cursor:pointer}
.drawer{position:fixed;inset:0 0 0 auto;width:min(84vw,340px);background:rgba(10,16,31,.98);backdrop-filter:blur(16px);border-left:1px solid var(--line);z-index:120;transform:translateX(105%);transition:transform .3s ease;padding:22px;display:flex;flex-direction:column;gap:8px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-close{align-self:flex-end;width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid var(--line);color:var(--txt);cursor:pointer}
.drawer a{display:block;padding:13px 14px;border-radius:var(--r-s);color:var(--txt);border:1px solid transparent}
.drawer a:hover{background:rgba(46,107,255,.16);border-color:var(--line);text-decoration:none}
.drawer .drawer-cta{margin-top:12px;background:var(--grad-btn);color:#04121B;font-weight:700;text-align:center;border-radius:var(--r-m)}
.mask{position:fixed;inset:0;background:rgba(3,6,14,.66);z-index:110;opacity:0;pointer-events:none;transition:opacity .25s ease}
.mask.on{opacity:1;pointer-events:auto}

/* ===== shared ===== */
.section{padding:var(--sp-section) 0;border-top:1px solid var(--line);position:relative}
.section--alt{background:var(--bg-1)}
.sec-head{max-width:780px;margin-bottom:clamp(26px,4vw,44px)}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:14px}
.sec-head p{color:var(--txt-2);margin:0;max-width:38em}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--brand-2);text-transform:uppercase;margin-bottom:14px}
.kicker::before{content:"";width:22px;height:2px;background:var(--brand-2);display:block}
.glass{background:rgba(15,23,41,.62);border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--sh-card),inset 0 1px 0 rgba(255,255,255,.06);backdrop-filter:blur(14px) saturate(120%);transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease}
.glass:hover{border-color:rgba(34,225,200,.3);transform:translateY(-2px)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--r-m);font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,border-color .2s ease;text-decoration:none;line-height:1.4}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--grad-btn);color:#04121B;font-weight:700;box-shadow:var(--sh-glow)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--txt)}
.btn-ghost:hover{border-color:rgba(34,225,200,.55);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;padding:4px 11px;border-radius:999px;border:1px solid var(--line);color:var(--txt-2);background:rgba(46,107,255,.1);white-space:nowrap}
.badge-line{border-color:rgba(34,225,200,.5);color:var(--brand-2);background:rgba(34,225,200,.08)}
.badge-accent{border-color:rgba(255,78,142,.45);color:var(--accent);background:rgba(255,78,142,.1)}
.tag{display:inline-block;font-size:12.5px;padding:5px 12px;border-radius:999px;border:1px solid var(--line);color:var(--txt-2);background:rgba(15,23,41,.5)}
.hl{color:var(--brand-2)}
.cms-empty{padding:34px 20px;text-align:center;color:var(--txt-3);border:1px dashed var(--line);border-radius:var(--r-l);background:rgba(15,23,41,.4)}

/* ===== hero ===== */
.hero{
  position:relative;padding:clamp(48px,7vw,88px) 0 clamp(52px,7vw,84px);
  background-image:linear-gradient(180deg,rgba(6,10,20,.88),rgba(6,10,20,.97)),url("/assets/images/dadfda18e161bf3d.webp");
  background-size:cover;background-position:center;border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;color:var(--txt-2);border:1px solid var(--line);background:rgba(15,23,41,.66);padding:6px 14px;border-radius:999px;margin-bottom:22px}
.hero-eyebrow i{color:var(--brand-2);font-size:11px}
.hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.16;letter-spacing:-.01em;margin-bottom:20px}
.hero-sub{color:var(--txt-2);max-width:35em;font-size:16.5px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:var(--txt-2)}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points i{color:var(--brand-2);font-size:12px}
.console{border-radius:var(--r-xl);overflow:hidden;padding:0}
.console:hover{transform:none}
.console-bar{display:flex;align-items:center;gap:7px;padding:13px 18px;border-bottom:1px solid var(--line);background:rgba(46,107,255,.12)}
.console-bar span{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.24)}
.console-bar span:first-child{background:var(--accent)}
.console-bar span:nth-child(2){background:#FFC24E}
.console-bar span:nth-child(3){background:var(--brand-2)}
.console-bar em{font-style:normal;font-size:12px;color:var(--txt-3);letter-spacing:.06em;margin-left:8px}
.console-code{margin:0;padding:18px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.8px;line-height:1.85;color:#BBD3FF;background:rgba(6,10,20,.55);overflow-x:auto;white-space:pre}
.console-code b{color:var(--brand-2);font-weight:500}
.console-feed{padding:8px 18px 4px}
.console-feed li{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed rgba(120,170,255,.14);font-size:13.5px}
.console-feed li:last-child{border-bottom:0}
.console-feed time{color:var(--txt-3);font-variant-numeric:tabular-nums;font-size:12.5px}
.console-feed p{margin:0;color:var(--txt-2)}
.console-feed em{font-style:normal;font-size:12px;color:var(--brand-2);border:1px solid rgba(34,225,200,.4);border-radius:999px;padding:2px 9px}
.console-feed em.warn{color:var(--accent);border-color:rgba(255,78,142,.45)}
.console-foot{margin:0;padding:12px 18px 16px;font-size:12.5px;color:var(--txt-3);border-top:1px solid var(--line)}

/* ===== quick bar ===== */
.quick-head{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:20px}
.quick-head h2{font-size:clamp(21px,2.2vw,27px)}
.quick-bar{display:grid;grid-template-columns:repeat(3,1fr) auto;align-items:center;gap:0;padding:6px 22px;border-radius:var(--r-l)}
.quick-item{padding:16px 18px 16px 0;border-right:1px solid var(--line)}
.quick-item:last-of-type{border-right:0}
.quick-item time{display:block;font-size:12.5px;color:var(--txt-3);font-variant-numeric:tabular-nums;margin-bottom:4px}
.quick-item strong{display:block;font-size:14.5px;font-weight:500;color:var(--txt);margin-bottom:2px}
.quick-item span{font-size:13px;color:var(--txt-2)}
.quick-bar .badge{margin-left:18px}

/* ===== ability ===== */
.ability-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.ability-card{padding:26px;border-radius:var(--r-l);position:relative;display:flex;flex-direction:column;gap:12px}
.ability-card:nth-child(1){grid-column:span 4;background-image:linear-gradient(120deg,rgba(46,107,255,.16),rgba(15,23,41,.62));}
.ability-card:nth-child(2){grid-column:span 2}
.ability-card:nth-child(3){grid-column:span 2}
.ability-card:nth-child(4){grid-column:span 4;background-image:linear-gradient(120deg,rgba(34,225,200,.12),rgba(15,23,41,.62));}
.ability-no{font-size:13px;color:var(--brand-2);font-variant-numeric:tabular-nums;letter-spacing:.18em}
.ability-card h3{font-size:19px}
.ability-card p{margin:0;color:var(--txt-2);font-size:14.5px;max-width:34em}
.ability-ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(46,107,255,.18);border:1px solid var(--line);color:var(--brand-2);font-size:17px}
.ability-more{margin-top:auto;color:var(--brand-2);font-size:13.5px;display:inline-flex;align-items:center;gap:7px}

/* ===== story ===== */
.story-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(26px,4vw,54px);align-items:center}
.story-media{border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-card);aspect-ratio:16/11}
.story-media img{width:100%;height:100%}
.story-list{margin-top:22px;display:grid;gap:14px}
.story-list li{display:flex;gap:14px;font-size:14.5px;color:var(--txt-2)}
.story-list b{color:var(--brand-2);font-variant-numeric:tabular-nums;flex-shrink:0}

/* ===== channels ===== */
.chan-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.chan-card{padding:22px;border-radius:var(--r-l);display:flex;flex-direction:column;gap:10px;color:var(--txt)}
.chan-card:hover{text-decoration:none}
.chan-card i{color:var(--brand-2);font-size:18px}
.chan-card strong{font-size:16px;font-weight:500}
.chan-card span{font-size:13px;color:var(--txt-2)}

/* ===== scenes ===== */
.scene-track{display:flex;gap:18px;overflow-x:auto;padding:6px 0 18px;scroll-snap-type:x mandatory}
.scene-track::-webkit-scrollbar{height:6px}
.scene-track::-webkit-scrollbar-thumb{background:rgba(120,170,255,.28);border-radius:999px}
.scene-card{flex:0 0 clamp(240px,26vw,300px);scroll-snap-align:start;border-radius:var(--r-l);overflow:hidden;padding:0}
.scene-card:hover{transform:translateY(-3px)}
.scene-thumb{aspect-ratio:4/3;width:100%;position:relative}
.scene-thumb img{width:100%;height:100%}
.scene-body{padding:16px 18px 20px}
.scene-body strong{display:block;font-size:15.5px;margin-bottom:6px}
.scene-body span{font-size:13px;color:var(--txt-2);display:block;line-height:1.7}
.scene-foot{margin-top:20px;display:flex;justify-content:flex-end}

/* ===== verify ===== */
.verify-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(26px,4vw,52px);align-items:center}
.steps{display:grid;gap:8px}
.step{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:20px;border-radius:var(--r-l);border:1px solid transparent;transition:background .2s ease,border-color .2s ease}
.step:hover{background:rgba(15,23,41,.6);border-color:var(--line)}
.step-no{font-size:15px;font-weight:700;color:var(--brand-2);font-variant-numeric:tabular-nums;width:44px;height:44px;display:grid;place-items:center;border-radius:12px;border:1px solid rgba(34,225,200,.36);background:rgba(34,225,200,.08)}
.step h3{font-size:16.5px;margin-bottom:6px}
.step p{margin:0;font-size:14px;color:var(--txt-2)}
.demo-frame{border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-card);background:var(--bg-2)}
.demo-bar{display:flex;align-items:center;gap:8px;padding:11px 16px;border-bottom:1px solid var(--line);background:rgba(46,107,255,.1);font-size:12px;color:var(--txt-3);letter-spacing:.04em}
.demo-bar i{font-size:11px;color:var(--brand-2)}
.demo-shot{aspect-ratio:16/10;position:relative}
.demo-shot img{width:100%;height:100%}
.demo-cap{margin:0;padding:12px 16px 16px;font-size:12.5px;color:var(--txt-3);border-top:1px solid var(--line)}

/* ===== cities ===== */
.city-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.city-chip{display:flex;flex-direction:column;gap:2px;padding:13px 14px;border-radius:var(--r-m);border:1px solid var(--line);background:rgba(15,23,41,.56);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;color:var(--txt)}
.city-chip:hover{border-color:rgba(34,225,200,.55);box-shadow:0 0 0 1px rgba(34,225,200,.25),0 10px 24px -16px rgba(34,225,200,.6);transform:translateY(-2px);text-decoration:none}
.city-chip strong{font-size:14.5px;font-weight:500}
.city-chip em{font-style:normal;font-size:12px;color:var(--txt-3);font-variant-numeric:tabular-nums}
.city-more{margin-top:18px;font-size:13.5px;color:var(--txt-3)}

/* ===== board ===== */
.board{border-radius:var(--r-l);overflow:hidden}
.board-row{display:grid;grid-template-columns:56px 1fr 110px 110px auto;gap:16px;align-items:center;padding:16px 22px;border-bottom:1px solid var(--line);transition:background .2s ease}
.board-row:last-child{border-bottom:0}
.board-row:hover{background:rgba(46,107,255,.1)}
.board-no{font-size:22px;font-weight:700;color:var(--brand-2);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.board-title{font-size:15px;color:var(--txt);margin:0}
.board-city{font-size:13px;color:var(--txt-2)}
.board-time{font-size:13px;color:var(--txt-3);font-variant-numeric:tabular-nums}

/* ===== picks (cms) ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{border-radius:var(--r-l);overflow:hidden;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-3px)}
.post-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.post-thumb img{width:100%;height:100%;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:16.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body h3 a{color:var(--txt)}
.post-body h3 a:hover{color:var(--brand-2);text-decoration:none}
.post-desc{margin:0;font-size:13.5px;color:var(--txt-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:8px;font-size:12.5px;color:var(--txt-3)}
.post-meta time{font-variant-numeric:tabular-nums}
.post-read{color:var(--brand-2);font-size:13px;display:inline-flex;align-items:center;gap:6px}

/* ===== member ===== */
.switch{display:inline-flex;padding:4px;border-radius:999px;border:1px solid var(--line);background:rgba(15,23,41,.6);margin-bottom:26px}
.switch span{padding:6px 20px;border-radius:999px;font-size:13.5px;color:var(--txt-2)}
.switch span.on{background:var(--grad-btn);color:#04121B;font-weight:700}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.plan{padding:26px;border-radius:var(--r-l);display:flex;flex-direction:column;gap:14px}
.plan.featured{border-color:rgba(34,225,200,.55);box-shadow:0 0 0 1px rgba(34,225,200,.35),0 20px 46px -26px rgba(34,225,200,.6);background-image:linear-gradient(160deg,rgba(34,225,200,.1),rgba(15,23,41,.66))}
.plan h3{font-size:18px}
.plan .plan-tag{font-size:12.5px;color:var(--brand-2)}
.plan ul{display:grid;gap:9px;margin:4px 0 10px}
.plan li{font-size:14px;color:var(--txt-2);display:flex;gap:9px}
.plan li i{color:var(--brand-2);font-size:12px;margin-top:7px}
.plan .cycle{font-size:12.5px;color:var(--txt-3);border-top:1px solid var(--line);padding-top:12px;margin-top:auto}
.plan .btn{width:100%}

/* ===== metrics ===== */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:8px 6px;border-radius:var(--r-l);border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(15,23,41,.5)}
.metric{padding:24px 18px;text-align:center;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric strong{display:block;font-size:clamp(28px,3vw,40px);color:var(--brand-2);font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.15}
.metric span{font-size:13px;color:var(--txt-2)}

/* ===== voices ===== */
.voice-wall{column-count:3;column-gap:18px}
.voice{break-inside:avoid;margin-bottom:18px;padding:20px;border-radius:var(--r-l);display:block}
.voice:hover{transform:none}
.stars{display:flex;gap:3px;color:#FFC24E;font-size:12px;margin-bottom:10px}
.voice p{margin:0 0 12px;font-size:14px;color:var(--txt-2);line-height:1.8}
.voice-foot{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--txt-3)}
.dot{width:26px;height:26px;border-radius:50%;background:var(--grad-btn);flex-shrink:0;opacity:.85}

/* ===== guard ===== */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.guard{padding:22px;border-radius:var(--r-l);display:flex;flex-direction:column;gap:10px}
.guard i{color:var(--brand-2);font-size:18px}
.guard strong{font-size:15px;font-weight:500}
.guard span{font-size:13px;color:var(--txt-2);line-height:1.7}

/* ===== faq ===== */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-m);background:rgba(15,23,41,.58);overflow:hidden;position:relative}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-2);opacity:0;transition:opacity .2s ease}
.faq-item.open::before{opacity:1}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:transparent;border:0;text-align:left;font-size:15.5px;font-weight:500;cursor:pointer}
.faq-q i{color:var(--brand-2);transition:transform .25s ease;font-size:13px}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 22px}
.faq-item.open .faq-a{max-height:320px}
.faq-a p{margin:0 0 20px;font-size:14px;color:var(--txt-2);max-width:38em}

/* ===== join ===== */
.join-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(26px,4vw,54px);padding:clamp(28px,4vw,48px);border-radius:var(--r-xl);border:1px solid var(--line);background:linear-gradient(140deg,rgba(46,107,255,.14),rgba(15,23,41,.78));box-shadow:var(--sh-card)}
.join-copy h2{font-size:clamp(23px,2.6vw,32px);margin-bottom:16px}
.join-copy p{color:var(--txt-2);max-width:34em;margin-bottom:18px}
.join-pts{display:grid;gap:10px}
.join-pts li{display:flex;gap:10px;font-size:14px;color:var(--txt-2)}
.join-pts i{color:var(--brand-2);font-size:12px;margin-top:7px}
.form-row{display:grid;gap:14px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13px;color:var(--txt-2)}
.field input,.field select{padding:12px 14px;border-radius:var(--r-s);border:1px solid var(--line);background:rgba(6,10,20,.7);color:var(--txt);font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease;appearance:none}
.field select{background-image:none}
.field input::placeholder{color:var(--txt-3)}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(34,225,200,.16)}
.field.error input,.field.error select{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,78,142,.14)}
.err-msg{font-size:12.5px;color:var(--accent);display:none}
.field.error .err-msg{display:block}
.form-note{font-size:12px;color:var(--txt-3);margin:0}
.form-ok{display:none;font-size:13px;color:var(--brand-2);margin:0}
.form-ok.show{display:block}

/* ===== footer ===== */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:clamp(40px,6vw,72px) 0 26px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:clamp(24px,4vw,48px)}
.foot-brand .logo{color:var(--txt);margin-bottom:14px}
.foot-brand .logo-mark{background:rgba(46,107,255,.2);border-color:var(--line);color:var(--brand-2)}
.foot-brand .logo-txt strong{color:var(--txt);font-size:15px}
.foot-brand .logo-txt small{color:var(--txt-3)}
.foot-brand p{font-size:13.5px;color:var(--txt-2);max-width:30em;margin:0}
.foot-col h4{font-size:14px;color:var(--txt);margin-bottom:14px;font-weight:500}
.foot-col ul{display:grid;gap:9px}
.foot-col a,.foot-col span{font-size:13.5px;color:var(--txt-2)}
.foot-col a:hover{color:var(--brand-2)}
.foot-tags{display:flex;flex-wrap:wrap;gap:8px}
.foot-tags span{font-size:12.5px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);color:var(--txt-3)}
.foot-bottom{margin-top:38px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;font-size:12.5px;color:var(--txt-3)}
.foot-bottom p{margin:0}
.foot-risk{color:var(--txt-3)}

/* ===== responsive ===== */
@media (max-width:1280px){
  .wrap{padding:0 20px}
  .city-grid{grid-template-columns:repeat(4,1fr)}
  .chan-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  .nav-main,.nav-cta{display:none}
  .nav-toggle{display:grid;margin-left:auto}
  .hero-grid{grid-template-columns:1fr}
  .story-grid{grid-template-columns:1fr}
  .verify-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .plan-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line)}
  .voice-wall{column-count:2}
  .guard-grid{grid-template-columns:repeat(2,1fr)}
  .join-grid{grid-template-columns:1fr}
  .ability-grid{grid-template-columns:repeat(2,1fr)}
  .ability-card:nth-child(n){grid-column:span 1}
  .board-row{grid-template-columns:44px 1fr auto;grid-template-areas:"no title title" "no city badge";row-gap:4px}
  .board-no{grid-area:no}
  .board-title{grid-area:title}
  .board-city{grid-area:city}
  .board-time{display:none}
  .board-row .badge{grid-area:badge;justify-self:start}
}
@media (max-width:768px){
  body{background-attachment:scroll}
  .glass{backdrop-filter:none;background:var(--bg-2)}
  .drawer{backdrop-filter:blur(16px)}
  .quick-bar{grid-template-columns:1fr;padding:6px 18px}
  .quick-item{border-right:0;border-bottom:1px dashed rgba(120,170,255,.14);padding:14px 0}
  .quick-item:last-of-type{border-bottom:0}
  .quick-bar .badge{margin:12px 0 16px;justify-self:start}
  .city-grid{grid-template-columns:repeat(3,1fr)}
  .post-grid{grid-template-columns:1fr}
  .voice-wall{column-count:1}
  .chan-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1/-1}
  .ability-grid{grid-template-columns:1fr}
  .guard-grid{grid-template-columns:1fr}
  .scene-track{overflow-x:auto;padding-bottom:14px}
  .hero-actions .btn{flex:1 1 100%}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  .wrap{padding:0 16px}
  .hero{padding-top:40px}
  .hero-sub{font-size:15px}
  .logo-txt strong{font-size:13.5px}
  .logo-txt small{display:none}
  .city-grid{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:1fr}
  .metric{border-right:0;border-bottom:1px solid var(--line)}
  .metric:last-child{border-bottom:0}
  .foot-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .scene-foot .btn{width:auto}
  .switch{width:100%;justify-content:center}
  .board-row{grid-template-columns:38px 1fr;grid-template-areas:"no title" "no city" "no badge"}
  .board-no{font-size:19px}
  .faq-q{padding:16px 18px;font-size:14.5px}
  .faq-a{padding:0 18px}
  .console-code{font-size:11.5px}
  .quick-bar{-webkit-backdrop-filter:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg-0:#060A14; --bg-1:#0A101F; --bg-2:#0F1729;
  --line:rgba(120,170,255,.14);
  --brand:#2E6BFF; --brand-2:#22E1C8; --accent:#FF4E8E;
  --txt:#E8EEFB; --txt-2:#A9B6D0; --txt-3:#6D7C99;
  --grad-nav:linear-gradient(100deg,#123A8A 0%,#2E6BFF 42%,#22E1C8 100%);
  --grad-btn:linear-gradient(120deg,#2E6BFF,#22E1C8);
  --r-s:8px; --r-m:14px; --r-l:20px; --r-xl:28px;
  --sh-card:0 18px 40px -24px rgba(0,0,0,.9);
  --sh-glow:0 0 0 1px rgba(46,107,255,.35),0 12px 40px -12px rgba(46,107,255,.55);
  --sp-section:clamp(48px,6.4vw,88px);
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;color:var(--txt);background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 78% -10%,rgba(34,225,200,.08),transparent 70%),
    repeating-linear-gradient(0deg,rgba(120,170,255,.04) 0 1px,transparent 1px 72px),
    repeating-linear-gradient(90deg,rgba(120,170,255,.04) 0 1px,transparent 1px 72px);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;background-color:var(--bg-2)}
a{color:var(--brand-2);text-decoration:none;text-underline-offset:3px}
a:hover{text-decoration:underline}
button,input,select,textarea{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.3;font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em}
.wrap{max-width:var(--w);margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:860px;margin:0 auto;padding:0 24px}
/* ===== header ===== */
.site-header{position:sticky;top:0;z-index:90;background:var(--grad-nav);border-bottom:1px solid rgba(255,255,255,.16);transition:box-shadow .25s ease}
.site-header.shrink{box-shadow:0 14px 34px -18px rgba(0,0,0,.95)}
.nav-row{max-width:var(--w);margin:0 auto;padding:0 24px;height:76px;display:flex;align-items:center;gap:26px;transition:height .25s ease}
.site-header.shrink .nav-row{height:62px}
.logo{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0;text-decoration:none}
.logo:hover{text-decoration:none}
.logo-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);font-weight:700;font-size:17px;color:#fff}
.logo-txt{display:flex;flex-direction:column;line-height:1.2}
.logo-txt strong{font-size:16px;font-weight:700;color:#fff;letter-spacing:.01em}
.logo-txt small{font-size:10px;letter-spacing:.2em;color:rgba(255,255,255,.74);text-transform:uppercase}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{color:rgba(255,255,255,.9);font-size:14.5px;padding:9px 13px;border-radius:var(--r-s);transition:background .2s ease,color .2s ease}
.nav-link:hover{background:rgba(255,255,255,.16);color:#fff;text-decoration:none}
.nav-link.active{background:rgba(255,255,255,.2);color:#fff;font-weight:500}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:#fff;color:#10306F;font-weight:700;font-size:14.5px;padding:10px 20px;border-radius:var(--r-m);white-space:nowrap;transition:transform .2s ease,box-shadow .2s ease}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 10px 24px -12px rgba(0,0,0,.8);text-decoration:none}
.nav-toggle{display:none;width:42px;height:42px;place-items:center;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);border-radius:12px;color:#fff;cursor:pointer}
.drawer{position:fixed;inset:0 0 0 auto;width:min(84vw,340px);background:rgba(10,16,31,.98);backdrop-filter:blur(16px);border-left:1px solid var(--line);z-index:120;transform:translateX(105%);transition:transform .3s ease;padding:22px;display:flex;flex-direction:column;gap:8px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-close{align-self:flex-end;width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid var(--line);color:var(--txt);cursor:pointer;margin-bottom:8px}
.drawer a{display:block;padding:13px 14px;border-radius:var(--r-s);color:var(--txt);border:1px solid transparent;font-size:15px}
.drawer a:hover{background:rgba(46,107,255,.16);border-color:var(--line);text-decoration:none}
.drawer .drawer-cta{margin-top:12px;background:var(--grad-btn);color:#04121B;font-weight:700;text-align:center;border-radius:var(--r-m)}
/* ===== shared ===== */
.section{padding:var(--sp-section) 0;border-top:1px solid var(--line);position:relative}
.section--alt{background:var(--bg-1)}
.sec-head{max-width:740px;margin-bottom:26px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.sec-head p{color:var(--txt-2);font-size:14.5px;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--r-m);font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;text-decoration:none;line-height:1.4}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--grad-btn);color:#04121B;font-weight:700;box-shadow:var(--sh-glow)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--txt)}
.btn-ghost:hover{border-color:rgba(34,225,200,.55);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn.is-disabled{opacity:.5;cursor:not-allowed;pointer-events:none}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;padding:4px 11px;border-radius:999px;border:1px solid var(--line);color:var(--txt-2);background:rgba(46,107,255,.1);white-space:nowrap}
.badge-line{border-color:rgba(34,225,200,.5);color:var(--brand-2);background:rgba(34,225,200,.08)}
.badge-accent{border-color:rgba(255,78,142,.45);color:var(--accent);background:rgba(255,78,142,.1)}
.tag{display:inline-block;font-size:12.5px;padding:5px 12px;border-radius:999px;border:1px solid var(--line);color:var(--txt-2);background:rgba(15,23,41,.5);transition:border-color .2s ease,color .2s ease}
.tag:hover{border-color:rgba(34,225,200,.5);color:var(--brand-2)}
/* ===== breadcrumb ===== */
.crumb-bar{background:var(--bg-1);border-bottom:1px solid var(--line);font-size:13px;color:var(--txt-3)}
.crumb-bar .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-top:12px;padding-bottom:12px}
.crumb-bar a{color:var(--txt-2)}
.crumb-bar a:hover{color:var(--brand-2);text-decoration:none}
.crumb-sep{color:var(--txt-3);opacity:.55}
.crumb-cur{color:var(--txt-3);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* ===== post head ===== */
.post-head-section{
  position:relative;padding:clamp(30px,4.4vw,56px) 0 clamp(26px,3.6vw,44px);
  background-image:linear-gradient(180deg,rgba(6,10,20,.93),rgba(6,10,20,.99)),url("/assets/images/fb04994cb16df452.webp");
  background-size:cover;background-position:center;border-bottom:1px solid var(--line);
}
.post-head-inner{max-width:860px;margin:0 auto;padding:0 24px}
.post-badges{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:18px}
.post-head-inner h1{font-size:clamp(25px,3.5vw,40px);line-height:1.24;letter-spacing:-.01em;margin-bottom:18px;color:#fff}
.post-meta{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:13.5px;color:var(--txt-2);padding-bottom:20px;border-bottom:1px solid var(--line)}
.post-meta span{display:inline-flex;align-items:center}
.post-meta i{color:var(--brand-2);margin-right:7px;font-size:12px}
.post-cover{max-width:860px;margin:26px auto 0;padding:0 24px}
.post-cover img{width:100%;aspect-ratio:16/9;border-radius:var(--r-m);border:1px solid var(--line)}
.post-cover figcaption{font-size:13px;color:var(--txt-3);text-align:center;margin-top:10px}
/* ===== keypoints ===== */
.keypoints{max-width:860px;margin:0 auto;padding:0 24px}
.keypoints-card{
  background:rgba(15,23,41,.62);backdrop-filter:blur(14px) saturate(120%);
  border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh-card),inset 0 1px 0 rgba(255,255,255,.06);
  padding:clamp(20px,3vw,28px);margin-top:34px;
}
.keypoints-card h2{font-size:18px;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.keypoints-card h2 i{color:var(--brand-2);font-size:15px}
.keypoints-list{list-style:none;margin:0;padding:0;display:grid;gap:13px}
.keypoints-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--txt-2);line-height:1.8}
.kp-num{flex-shrink:0;width:27px;height:27px;border-radius:8px;display:grid;place-items:center;background:rgba(34,225,200,.12);border:1px solid rgba(34,225,200,.4);color:var(--brand-2);font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums}
/* ===== article body ===== */
.article-body{font-size:17px;line-height:1.95;color:var(--txt);padding-top:6px}
.article-body > * + *{margin-top:1em}
.article-body p{max-width:38em}
.article-body h2{font-size:clamp(20px,2.4vw,26px);margin-top:1.7em;padding-left:14px;border-left:4px solid var(--brand-2);line-height:1.42}
.article-body h3{font-size:19px;margin-top:1.5em;color:#fff}
.article-body h4{font-size:17px;margin-top:1.3em;color:var(--txt)}
.article-body a{color:var(--brand-2);text-decoration:underline;text-underline-offset:3px}
.article-body ul,.article-body ol{padding-left:1.35em;margin:1em 0}
.article-body li{margin-bottom:8px}
.article-body img{width:100%;border-radius:var(--r-m);margin:1.4em 0 .6em;border:1px solid var(--line)}
.article-body blockquote{margin:1.4em 0;padding:14px 20px;border-left:3px solid var(--brand-2);background:rgba(46,107,255,.08);color:var(--txt-2);font-style:italic;border-radius:0 var(--r-s) var(--r-s) 0}
.article-body figure{margin:1.4em 0}
.article-body figcaption{font-size:13px;color:var(--txt-3);text-align:center;margin-top:8px}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:rgba(46,107,255,.12);color:#fff}
.article-body code{background:rgba(46,107,255,.14);padding:2px 7px;border-radius:6px;font-size:14px;color:var(--brand-2)}
.empty-state{text-align:center;padding:48px 22px;border:1px dashed var(--line);border-radius:var(--r-l);background:rgba(15,23,41,.5)}
.empty-state i{font-size:26px;color:var(--brand-2);margin-bottom:14px;display:block}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--txt-2);font-size:14.5px;max-width:34em;margin:0 auto 20px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row .tag-title{font-size:13px;color:var(--txt-3);align-self:center;margin-right:4px}
/* ===== related ===== */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-card{
  background:rgba(15,23,41,.62);backdrop-filter:blur(14px) saturate(120%);
  border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;
  box-shadow:var(--sh-card);transition:transform .22s ease,border-color .22s ease;
}
.related-card:hover{transform:translateY(-2px);border-color:rgba(34,225,200,.3)}
.related-card img{width:100%;aspect-ratio:16/9}
.related-body{padding:16px 18px 20px}
.related-body h3{font-size:15.5px;line-height:1.55;margin-bottom:10px;color:#fff}
.related-body span{font-size:12.5px;color:var(--txt-3)}
/* ===== about + pager ===== */
.about-card{
  display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start;
  background:rgba(15,23,41,.62);backdrop-filter:blur(14px) saturate(120%);
  border:1px solid var(--line);border-radius:var(--r-l);padding:clamp(20px,3vw,28px);
  box-shadow:var(--sh-card);
}
.avatar-dot{width:54px;height:54px;border-radius:50%;background:var(--grad-btn);display:grid;place-items:center;color:#04121B;font-weight:700;font-size:19px}
.about-card h3{font-size:17px;margin-bottom:10px}
.about-card p{font-size:14.5px;color:var(--txt-2);max-width:42em;margin-bottom:10px}
.about-note{font-size:13px;color:var(--txt-3);margin:0;padding-top:10px;border-top:1px solid var(--line)}
.pager{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;margin-top:28px}
.pager .btn{justify-content:center;font-size:14px}
/* ===== subscribe ===== */
.subscribe{
  background:linear-gradient(120deg,rgba(46,107,255,.16),rgba(34,225,200,.1));
  border:1px solid var(--line);border-radius:var(--r-xl);
  padding:clamp(22px,3vw,32px);display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;
}
.sub-txt{flex:1 1 340px;min-width:0}
.sub-txt h2{font-size:clamp(19px,2.2vw,24px);margin-bottom:8px}
.sub-txt p{font-size:14px;color:var(--txt-2);margin:0;max-width:38em}
.sub-form{display:flex;gap:10px;flex:1 1 320px}
.sub-form input{
  flex:1;min-width:0;padding:12px 16px;border-radius:var(--r-m);
  border:1px solid var(--line);background:rgba(6,10,20,.72);color:var(--txt);font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:var(--txt-3)}
.sub-form input:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(34,225,200,.18)}
.sub-msg{font-size:13px;margin:12px 0 0;min-height:20px;color:var(--txt-3)}
.sub-msg.is-ok{color:var(--brand-2)}
.sub-msg.is-error{color:var(--accent)}
/* ===== footer ===== */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:clamp(44px,5vw,66px) 0 24px}
.foot-grid{display:grid;grid-template-columns:1.6fr .8fr .9fr .9fr;gap:36px}
.foot-brand .logo{margin-bottom:16px}
.foot-brand .logo-mark{background:var(--grad-btn);color:#04121B;border:none}
.foot-brand .logo-txt strong{color:var(--txt)}
.foot-brand .logo-txt small{color:var(--txt-3)}
.foot-brand p{font-size:13.5px;color:var(--txt-2);line-height:1.9;max-width:42ch;margin:0}
.foot-col h4{font-size:14px;color:var(--txt);margin-bottom:14px;letter-spacing:.02em}
.foot-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.foot-col li{font-size:13.5px;color:var(--txt-2);line-height:1.7}
.foot-col a{color:var(--txt-2);font-size:13.5px}
.foot-col a:hover{color:var(--brand-2);text-decoration:none}
.foot-tags{display:flex;flex-wrap:wrap;gap:8px}
.foot-tags span{font-size:12.5px;padding:4px 10px;border:1px solid var(--line);border-radius:999px;color:var(--txt-2)}
.foot-bottom{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between}
.foot-bottom p{margin:0;font-size:12.5px;color:var(--txt-3)}
.foot-risk{color:var(--txt-3)}
/* ===== responsive ===== */
@media (max-width:1024px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .wrap,.wrap-narrow{padding:0 20px}
}
@media (max-width:900px){
  .nav-main{display:none}
  .nav-toggle{display:grid;margin-left:auto}
  .nav-row{height:66px;padding:0 20px;gap:14px}
  .nav-cta{padding:9px 16px;font-size:13.5px}
  .post-head-section{padding-top:26px}
  .pager{grid-template-columns:1fr}
  .subscribe{flex-direction:column;align-items:flex-start}
  .sub-form{width:100%}
}
@media (max-width:768px){
  .related-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .article-body{font-size:16.5px;line-height:1.92}
  .about-card{grid-template-columns:1fr}
  .crumb-cur{max-width:100%;white-space:normal}
  .post-cover{margin-top:20px}
  .keypoints-card{margin-top:26px}
}
@media (max-width:560px){
  .nav-row{padding:0 16px;height:64px}
  .nav-cta{display:none}
  .logo-txt strong{font-size:13.5px}
  .logo-txt small{font-size:9px;letter-spacing:.14em}
  .logo-mark{width:36px;height:36px;font-size:15px}
  .wrap,.wrap-narrow{padding:0 16px}
  .btn{width:100%}
  .pager .btn{width:100%}
  .sub-form{flex-direction:column}
  .post-meta{font-size:12.5px;gap:8px 16px}
  .foot-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --bg-0:#060A14; --bg-1:#0A101F; --bg-2:#0F1729;
  --line:rgba(120,170,255,.14);
  --brand:#2E6BFF; --brand-2:#22E1C8; --accent:#FF4E8E;
  --txt:#E8EEFB; --txt-2:#A9B6D0; --txt-3:#6D7C99;
  --grad-nav:linear-gradient(100deg,#123A8A 0%,#2E6BFF 42%,#22E1C8 100%);
  --grad-btn:linear-gradient(120deg,#2E6BFF,#22E1C8);
  --r-s:8px; --r-m:14px; --r-l:20px; --r-xl:28px;
  --sh-card:0 18px 40px -24px rgba(0,0,0,.9);
  --sh-glow:0 0 0 1px rgba(46,107,255,.35),0 12px 40px -12px rgba(46,107,255,.55);
  --sp-section:clamp(56px,7vw,96px);
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;color:var(--txt);background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 78% -10%,rgba(34,225,200,.08),transparent 70%),
    repeating-linear-gradient(0deg,rgba(120,170,255,.04) 0 1px,transparent 1px 72px),
    repeating-linear-gradient(90deg,rgba(120,170,255,.04) 0 1px,transparent 1px 72px);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;background-color:var(--bg-2)}
a{color:var(--brand-2);text-decoration:none;text-underline-offset:3px}
a:hover{text-decoration:underline}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.22;font-weight:700;letter-spacing:-.005em}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--w);margin:0 auto;padding:0 24px}
.narrow{max-width:860px;margin:0 auto}
/* ===== header ===== */
.site-header{position:sticky;top:0;z-index:90;background:var(--grad-nav);border-bottom:1px solid rgba(255,255,255,.16);transition:box-shadow .25s ease}
.site-header.shrink{box-shadow:0 14px 34px -18px rgba(0,0,0,.95)}
.nav-row{max-width:var(--w);margin:0 auto;padding:0 24px;height:76px;display:flex;align-items:center;gap:26px;transition:height .25s ease}
.site-header.shrink .nav-row{height:62px}
.logo{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0;text-decoration:none}
.logo:hover{text-decoration:none}
.logo-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);font-weight:700;font-size:17px;color:#fff}
.logo-txt{display:flex;flex-direction:column;line-height:1.2}
.logo-txt strong{font-size:16px;font-weight:700;color:#fff;letter-spacing:.01em}
.logo-txt small{font-size:10px;letter-spacing:.2em;color:rgba(255,255,255,.74);text-transform:uppercase}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{color:rgba(255,255,255,.9);font-size:14.5px;padding:9px 13px;border-radius:var(--r-s);transition:background .2s ease,color .2s ease;white-space:nowrap}
.nav-link:hover{background:rgba(255,255,255,.16);color:#fff;text-decoration:none}
.nav-link.active{background:rgba(255,255,255,.2);color:#fff;font-weight:500}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:#fff;color:#10306F;font-weight:700;font-size:14.5px;padding:10px 20px;border-radius:var(--r-m);white-space:nowrap;transition:transform .2s ease,box-shadow .2s ease;text-decoration:none}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 10px 24px -12px rgba(0,0,0,.8);text-decoration:none}
.nav-toggle{display:none;width:42px;height:42px;place-items:center;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);border-radius:12px;color:#fff;cursor:pointer}
.drawer{position:fixed;inset:0 0 0 auto;width:min(84vw,340px);background:rgba(10,16,31,.98);backdrop-filter:blur(16px);border-left:1px solid var(--line);z-index:120;transform:translateX(105%);transition:transform .3s ease;padding:22px;display:flex;flex-direction:column;gap:8px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-close{align-self:flex-end;width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid var(--line);color:var(--txt);cursor:pointer}
.drawer a{display:block;padding:13px 14px;border-radius:var(--r-s);color:var(--txt);border:1px solid transparent}
.drawer a:hover{background:rgba(46,107,255,.16);border-color:var(--line);text-decoration:none}
.drawer .drawer-cta{margin-top:12px;background:var(--grad-btn);color:#04121B;font-weight:700;text-align:center;border-radius:var(--r-m)}
.drawer-mask{position:fixed;inset:0;background:rgba(3,6,14,.62);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:110}
.drawer-mask.show{opacity:1;visibility:visible}
/* ===== shared ===== */
.section{padding:var(--sp-section) 0;border-top:1px solid var(--line);position:relative}
.section--alt{background:var(--bg-1)}
.section-head{max-width:760px;margin-bottom:clamp(26px,3.4vw,40px)}
.section-head h2{font-size:clamp(23px,2.5vw,32px);margin-bottom:12px}
.section-head p{color:var(--txt-2);font-size:15.5px;margin:0;max-width:62ch}
.eyebrow-line{display:inline-block;font-size:12.5px;letter-spacing:.18em;color:var(--brand-2);margin-bottom:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--r-m);font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;text-decoration:none;line-height:1.4}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--grad-btn);color:#04121B;font-weight:700;box-shadow:var(--sh-glow)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--txt)}
.btn-ghost:hover{border-color:rgba(34,225,200,.55);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;padding:4px 11px;border-radius:999px;border:1px solid var(--line);color:var(--txt-2);background:rgba(46,107,255,.1);white-space:nowrap}
.badge-line{border-color:rgba(34,225,200,.5);color:var(--brand-2);background:rgba(34,225,200,.08)}
.badge-accent{border-color:rgba(255,78,142,.45);color:var(--accent);background:rgba(255,78,142,.1)}
.tag{display:inline-block;font-size:12.5px;padding:5px 12px;border-radius:999px;border:1px solid var(--line);color:var(--txt-2);background:rgba(15,23,41,.5)}
/* ===== category hero ===== */
.cat-hero{
  position:relative;padding:clamp(42px,5.6vw,72px) 0;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(10,16,31,.93),rgba(6,10,20,.98)),url("/assets/images/fb04994cb16df452.webp");
  background-size:cover;background-position:center;border-bottom:1px solid var(--line);
}
.cat-hero::after{content:"";position:absolute;inset:auto -8% -70% 46%;height:340px;background:radial-gradient(closest-side,rgba(34,225,200,.16),transparent 78%);pointer-events:none}
.cat-hero-grid{position:relative;display:grid;grid-template-columns:1.55fr .45fr;gap:clamp(24px,3.6vw,48px);align-items:center}
.cat-crumb{font-size:13px;color:var(--txt-3);margin-bottom:16px}
.cat-crumb a{color:var(--txt-2)}
.cat-hero h1{font-size:clamp(25px,3.4vw,40px);line-height:1.2;border-left:3px solid var(--brand-2);padding-left:18px;margin:0 0 16px}
.cat-lead{color:var(--txt-2);font-size:15.5px;max-width:56ch;margin:0 0 20px}
.cat-hero-tags{display:flex;flex-wrap:wrap;gap:8px}
.cat-stat-box{display:grid;gap:14px}
.stat-card{background:rgba(15,23,41,.62);border:1px solid var(--line);border-radius:var(--r-l);padding:16px 20px;backdrop-filter:blur(14px) saturate(120%);box-shadow:var(--sh-card),inset 0 1px 0 rgba(255,255,255,.06)}
.stat-card strong{display:block;font-size:clamp(21px,2.4vw,28px);color:var(--brand-2);font-variant-numeric:tabular-nums;line-height:1.15}
.stat-card span{display:block;font-size:13px;color:var(--txt-2);margin-top:2px}
/* ===== intro + filter ===== */
.cat-intro{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(24px,3.4vw,48px);align-items:start}
.cat-intro h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:14px}
.cat-intro p{color:var(--txt-2);font-size:15.5px;max-width:52ch;margin:0}
.filter-panel{background:rgba(15,23,41,.62);border:1px solid var(--line);border-radius:var(--r-l);padding:20px 22px;backdrop-filter:blur(14px) saturate(120%);box-shadow:var(--sh-card)}
.filter-bar{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:12px}
.pill{display:inline-flex;align-items:center;font-size:13.5px;padding:7px 16px;border-radius:999px;border:1px solid var(--line);color:var(--txt-2);background:rgba(10,16,31,.6);cursor:default;transition:border-color .2s ease,color .2s ease,background .2s ease}
.pill:hover{border-color:rgba(34,225,200,.5);color:var(--txt)}
.pill.active{background:var(--grad-btn);color:#04121B;font-weight:700;border-color:transparent}
.sort-note{font-size:13px;color:var(--txt-3);margin:0;font-variant-numeric:tabular-nums}
/* ===== feature grid ===== */
.feature-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:20px}
.feature-card{
  position:relative;padding:26px 26px 24px;border-radius:var(--r-l);
  background:rgba(15,23,41,.62);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--sh-card),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.feature-card:hover{transform:translateY(-2px);border-color:rgba(34,225,200,.3);box-shadow:var(--sh-card),0 0 0 1px rgba(34,225,200,.18)}
.feature-card:active{transform:scale(.995)}
.f-num{display:inline-block;font-size:13px;font-weight:700;color:var(--brand-2);letter-spacing:.12em;font-variant-numeric:tabular-nums;margin-bottom:10px}
.feature-card h3{font-size:18px;margin-bottom:8px}
.feature-card p{margin:0;color:var(--txt-2);font-size:14.5px;line-height:1.8}
.feature-card .f-icon{position:absolute;right:22px;top:22px;font-size:15px;color:rgba(34,225,200,.55)}
.feature-card--wide{grid-column:span 1}
.feature-card--accent{border-color:rgba(34,225,200,.32);background:rgba(15,34,44,.5)}
/* ===== city grid ===== */
.city-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.city-chip{display:flex;flex-direction:column;gap:2px;padding:12px 14px;border-radius:var(--r-m);border:1px solid var(--line);background:rgba(15,23,41,.6);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.city-chip:hover{border-color:rgba(34,225,200,.55);box-shadow:0 0 0 1px rgba(34,225,200,.22);transform:translateY(-1px)}
.city-chip strong{font-size:14.5px;font-weight:500;color:var(--txt)}
.city-chip span{font-size:12px;color:var(--txt-3);font-variant-numeric:tabular-nums}
.city-note{margin:20px 0 0;font-size:13.5px;color:var(--txt-3)}
/* ===== post list ===== */
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.post-card{
  display:grid;grid-template-columns:172px 1fr;gap:16px;padding:16px;
  border-radius:var(--r-l);background:rgba(15,23,41,.62);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--sh-card),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(34,225,200,.3)}
.post-thumb{display:block;border-radius:var(--r-m);overflow:hidden;aspect-ratio:4/3;background:var(--bg-2)}
.post-thumb img{width:100%;height:100%}
.post-body{min-width:0;display:flex;flex-direction:column;gap:8px}
.post-body h3{font-size:16.5px;margin:0;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body h3 a{color:var(--txt)}
.post-body h3 a:hover{color:var(--brand-2);text-decoration:none}
.post-excerpt{margin:0;font-size:13.5px;line-height:1.75;color:var(--txt-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;font-size:12.5px;color:var(--txt-3);display:flex;gap:14px;flex-wrap:wrap;font-variant-numeric:tabular-nums}
.post-meta i{margin-right:4px;color:var(--txt-3)}
.list-more{display:flex;justify-content:center;margin-top:34px}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:10px;padding:48px 20px;border:1px dashed var(--line);border-radius:var(--r-l);color:var(--txt-2);background:rgba(15,23,41,.45)}
.empty-state i{font-size:24px;color:var(--txt-3)}
.empty-state p{margin:0;font-size:14.5px}
/* ===== topic ===== */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{border-radius:var(--r-l);overflow:hidden;background:rgba(15,23,41,.62);border:1px solid var(--line);backdrop-filter:blur(14px) saturate(120%);box-shadow:var(--sh-card),inset 0 1px 0 rgba(255,255,255,.06);transition:transform .22s ease,border-color .22s ease;display:flex;flex-direction:column}
.topic-card:hover{transform:translateY(-2px);border-color:rgba(34,225,200,.3)}
.topic-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.topic-thumb img{width:100%;height:100%}
.topic-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.topic-body h3{font-size:17px;margin:0}
.topic-body p{margin:0;font-size:14px;color:var(--txt-2);line-height:1.8}
.topic-link{margin-top:auto;font-size:13.5px;color:var(--brand-2);display:inline-flex;align-items:center;gap:6px}
/* ===== check list ===== */
.check-list{display:grid;gap:0;border-top:1px solid var(--line)}
.check-item{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:24px 0;border-bottom:1px solid var(--line);align-items:start}
.check-no{font-size:20px;font-weight:700;color:var(--brand-2);font-variant-numeric:tabular-nums;line-height:1.3}
.check-item h3{font-size:17px;margin:0 0 6px}
.check-item p{margin:0;font-size:14.5px;color:var(--txt-2);max-width:70ch}
/* ===== faq ===== */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-m);background:rgba(15,23,41,.62);overflow:hidden;position:relative;transition:border-color .22s ease}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-2);opacity:0;transition:opacity .22s ease}
.faq-item.open{border-color:rgba(34,225,200,.35)}
.faq-item.open::before{opacity:1}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:none;border:0;text-align:left;cursor:pointer;font-size:15.5px;font-weight:500;color:var(--txt);line-height:1.6}
.faq-q:hover{color:var(--brand-2)}
.faq-q i{font-size:13px;color:var(--txt-3);transition:transform .25s ease,color .25s ease;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--brand-2)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{margin:0;padding:0 22px 20px;font-size:14.5px;color:var(--txt-2);line-height:1.85}
/* ===== subscribe ===== */
.sub-bar{
  display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(20px,3vw,40px);align-items:center;
  padding:clamp(24px,3.2vw,36px);border-radius:var(--r-xl);
  background:linear-gradient(120deg,rgba(18,58,138,.42),rgba(15,23,41,.7) 55%,rgba(34,225,200,.14));
  border:1px solid var(--line);box-shadow:var(--sh-card),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(14px) saturate(120%);
}
.sub-bar h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:10px}
.sub-bar p{margin:0;font-size:14.5px;color:var(--txt-2);max-width:46ch}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{flex:1 1 200px;min-width:0;padding:12px 16px;border-radius:var(--r-m);border:1px solid var(--line);background:rgba(6,10,20,.72);color:var(--txt);font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease}
.sub-form input::placeholder{color:var(--txt-3)}
.sub-form input:focus{outline:none;border-color:rgba(34,225,200,.7);box-shadow:0 0 0 3px rgba(34,225,200,.14)}
.privacy-note{margin:12px 0 0;font-size:12.5px;color:var(--txt-3)}
/* ===== channel ===== */
.channel-tags{display:flex;flex-wrap:wrap;gap:10px}
.channel-tag{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;border:1px solid var(--line);color:var(--txt-2);font-size:14px;background:rgba(15,23,41,.55);transition:border-color .2s ease,color .2s ease,transform .2s ease}
.channel-tag:hover{border-color:rgba(34,225,200,.55);color:var(--txt);text-decoration:none;transform:translateY(-1px)}
.channel-tag.active{border-color:rgba(34,225,200,.7);color:var(--brand-2);background:rgba(34,225,200,.1)}
/* ===== footer ===== */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:clamp(40px,5vw,64px) 0 24px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:clamp(22px,3vw,36px)}
.foot-brand .logo{margin-bottom:0}
.foot-brand p{color:var(--txt-2);font-size:13.5px;line-height:1.85;margin:16px 0 0;max-width:38ch}
.foot-col h4{font-size:14px;color:var(--txt);letter-spacing:.06em;margin-bottom:14px}
.foot-col ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.foot-col li a,.foot-col li span{color:var(--txt-2);font-size:13.5px}
.foot-col li a:hover{color:var(--brand-2)}
.foot-tags{display:flex;flex-wrap:wrap;gap:8px}
.foot-tags span{font-size:12.5px;color:var(--txt-2);border:1px solid var(--line);border-radius:999px;padding:4px 12px;background:rgba(15,23,41,.5)}
.foot-bottom{border-top:1px solid var(--line);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.foot-bottom p{margin:0;font-size:12.5px;color:var(--txt-3)}
.foot-risk{color:var(--txt-3)}
/* ===== breakpoints ===== */
@media (max-width:1280px){
  .nav-row{padding:0 20px;gap:18px}
  .wrap{padding:0 20px}
}
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:26px}
  .cat-stat-box{grid-template-columns:repeat(2,1fr)}
  .cat-intro{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .city-grid{grid-template-columns:repeat(4,1fr)}
  .post-grid{grid-template-columns:1fr}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .sub-bar{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-main{display:none}
  .nav-toggle{display:grid}
  .nav-cta{display:none}
}
@media (max-width:768px){
  .section{padding:clamp(44px,8vw,64px) 0}
  .feature-card{padding:22px 20px}
  .feature-card .f-icon{display:none}
  .city-grid{grid-template-columns:repeat(3,1fr)}
  .post-card{grid-template-columns:1fr;gap:14px}
  .post-thumb{aspect-ratio:16/9}
  .topic-grid{grid-template-columns:1fr}
  .check-item{grid-template-columns:1fr;gap:6px;padding:20px 0}
  .foot-grid{grid-template-columns:1fr}
  .feature-card,.post-card,.topic-card,.filter-panel,.stat-card{backdrop-filter:none;background:var(--bg-2)}
  .sub-bar{backdrop-filter:none}
  .sub-form{flex-direction:column}
  .sub-form input,.sub-form .btn{width:100%}
}
@media (max-width:560px){
  .nav-row{height:64px;padding:0 16px}
  .logo-txt small{display:none}
  .logo-txt strong{font-size:14px}
  .cat-hero h1{font-size:22px;padding-left:14px}
  .cat-lead{font-size:14.5px}
  .cat-stat-box{grid-template-columns:1fr 1fr;gap:10px}
  .city-grid{grid-template-columns:repeat(2,1fr)}
  .btn{width:100%}
  .channel-tag{padding:8px 14px;font-size:13px}
  .post-body h3{font-size:15.5px}
  .foot-bottom{flex-direction:column}
}