/* roulang page: index */
:root{
  --brand:#1F5FA8;--brand-dark:#17497F;--brand-soft:#E8F1FB;
  --accent:#C9A227;--accent-dark:#B08F1F;--accent-soft:#FBF4DE;
  --ink:#1C2430;--ink-2:#5A6779;--ink-3:#8A96A6;
  --line:#E5EAF1;--bg:#FFFFFF;--bg-soft:#F6F9FD;--nav:#12253D;
  --shadow-sm:0 2px 8px rgba(28,36,48,.06);
  --shadow-md:0 8px 28px rgba(28,36,48,.08);
  --shadow-lg:0 14px 40px rgba(23,73,127,.14);
  --r-card:16px;--r-btn:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.9;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:.2px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:88px 0;border-top:1px solid var(--line)}
.section-soft{background:var(--bg-soft)}
.dotted{background-image:radial-gradient(rgba(31,95,168,.13) 1px,transparent 1px);background-size:20px 20px}
.section-head{max-width:780px;margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--brand);margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.35;margin-bottom:12px}
.section-desc{font-size:16px;color:var(--ink-2);line-height:1.9;margin:0}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--nav);transition:box-shadow .2s ease}
.site-header.scrolled{box-shadow:0 8px 26px rgba(9,20,35,.30);border-bottom:1px solid rgba(255,255,255,.08)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:68px;position:relative}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,#2A6EBD,#1A4C87);display:grid;place-items:center;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);flex-shrink:0}
.brand-mark svg{width:22px;height:22px;fill:#fff}
.brand-text strong{display:block;font-size:17px;line-height:1.2;color:#fff;letter-spacing:.6px}
.brand-text small{display:block;font-size:11px;line-height:1.5;color:var(--accent);letter-spacing:2px}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1}
.nav-menu a{position:relative;display:block;padding:9px 14px;font-size:15px;color:rgba(255,255,255,.82);border-radius:8px}
.nav-menu a::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:#fff;font-weight:600}
.nav-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}
.nav-login{font-size:14px;color:rgba(255,255,255,.75)}
.nav-login:hover{color:#fff}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;background:transparent;border:1px solid rgba(255,255,255,.24);color:#fff;font-size:17px;cursor:pointer}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.mobile-cta{display:none}

/* ---------- buttons ---------- */
.ui-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;min-height:46px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;text-align:center}
.ui-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.ui-btn-primary{background:var(--brand);color:#fff}
.ui-btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.ui-btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-sm)}
.ui-btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.ui-btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark)}
.ui-btn-gold{background:var(--accent);color:#241d03}
.ui-btn-gold:hover{background:var(--accent-dark);color:#241d03;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.nav-cta{padding:10px 18px;min-height:42px;font-size:14px}

/* ---------- hero ---------- */
.hero{position:relative;padding:72px 0 84px;background:linear-gradient(180deg,#F2F7FE 0%,#FFFFFF 82%);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(31,95,168,.12) 1px,transparent 1px);background-size:24px 24px;-webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 72%);mask-image:linear-gradient(180deg,#000 0%,transparent 72%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.5px;margin-bottom:20px}
.hero h1{font-size:clamp(30px,4vw,48px);line-height:1.25;margin-bottom:16px}
.hero-sub{font-size:clamp(17px,1.6vw,20px);color:var(--brand-dark);font-weight:600;margin-bottom:14px}
.hero-lead{font-size:16px;line-height:1.95;color:var(--ink-2);max-width:620px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--ink-3)}
.hero-trust span{display:inline-flex;align-items:center;gap:7px}
.hero-trust i{color:var(--brand)}
.hero-panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:var(--shadow-md)}
.panel-top{display:flex;align-items:center;gap:20px;margin-bottom:20px}
.ring{width:132px;height:132px;border-radius:50%;background:conic-gradient(var(--brand) 0% 78%,#E4ECF6 78% 100%);display:grid;place-items:center;flex:0 0 auto}
.ring-inner{width:102px;height:102px;border-radius:50%;background:#fff;display:grid;place-items:center;text-align:center;line-height:1.25}
.ring-inner strong{display:block;font-size:24px;font-variant-numeric:tabular-nums;color:var(--brand-dark)}
.ring-inner span{display:block;font-size:12px;color:var(--ink-3)}
.panel-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:6px}
.panel-num{font-size:28px;font-weight:700;line-height:1.2;color:var(--ink);font-variant-numeric:tabular-nums;margin-bottom:6px}
.panel-num span{font-size:14px;font-weight:500;color:var(--ink-3)}
.panel-note{font-size:13px;color:var(--ink-3);line-height:1.7;margin:0}
.panel-img{width:100%;height:170px;object-fit:cover;border-radius:12px;margin-bottom:18px}
.tier-list{display:grid;gap:8px;margin-bottom:18px}
.tier{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg-soft);font-size:13px}
.tier-name{font-weight:700;color:var(--brand-dark);flex-shrink:0}
.tier-desc{color:var(--ink-2);text-align:right}
.hero-panel .ui-btn{width:100%}

/* ---------- stats ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--shadow-sm);position:relative;transition:transform .2s ease,box-shadow .2s ease}
.stat-card::before{content:"";position:absolute;top:0;left:24px;width:36px;height:2px;background:var(--accent)}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.stat-num{font-size:clamp(26px,3vw,36px);font-weight:700;color:var(--brand-dark);line-height:1.2;font-variant-numeric:tabular-nums;margin:14px 0 4px}
.stat-num small{font-size:14px;font-weight:600;color:var(--ink-2);margin-left:4px}
.stat-label{font-size:15px;font-weight:600;color:var(--ink)}
.stat-note{font-size:13px;color:var(--ink-3);line-height:1.7;margin-top:8px}

/* ---------- matrix ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:minmax(0,auto);gap:24px}
.tile{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column}
.tile:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.tile-main{grid-row:span 2;background:linear-gradient(165deg,#EAF2FC 0%,#FFFFFF 62%);border-color:#D6E5F6}
.tile-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:18px;margin-bottom:16px}
.tile h3{font-size:19px;line-height:1.5;margin-bottom:8px}
.tile p{font-size:14.5px;color:var(--ink-2);line-height:1.85;margin-bottom:14px}
.tile-link{margin-top:auto;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.tile-link i{font-size:12px;transition:transform .2s ease}
.tile-link:hover i{transform:translateX(3px)}
.mini-steps{display:grid;gap:10px;margin:6px 0 16px}
.mini-step{display:flex;gap:12px;align-items:flex-start;padding:11px 14px;background:#fff;border:1px solid var(--line);border-radius:10px;font-size:14px;color:var(--ink-2)}
.mini-step b{display:grid;place-items:center;flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--brand);color:#fff;font-size:12px;margin-top:4px}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1px 1fr;gap:0;align-items:stretch}
.compare-line{background:var(--line)}
.compare-col{padding:32px}
.compare-col.highlight{background:var(--brand-soft);border-radius:var(--r-card);border:1px solid #D3E3F6}
.compare-head{font-size:19px;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.compare-head i{color:var(--ink-3)}
.compare-col.highlight .compare-head i{color:var(--accent)}
.compare-list{display:grid;gap:13px}
.compare-list li{display:flex;gap:11px;font-size:15px;color:var(--ink-2);line-height:1.8}
.compare-list li i{flex:0 0 auto;margin-top:7px;font-size:13px;color:var(--ink-3)}
.compare-col.highlight .compare-list li{color:var(--ink)}
.compare-col.highlight .compare-list li i{color:var(--accent)}
.bar-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:36px;padding-top:32px;border-top:1px dashed var(--line)}
.bar-label{display:flex;justify-content:space-between;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:9px}
.bar-track{height:10px;border-radius:999px;background:#E4ECF6;overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),#3E86D4)}
.bar-fill.gold{background:linear-gradient(90deg,var(--accent),#E0BC45)}

/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.scene-card img{width:100%;height:150px;object-fit:cover}
.scene-body{padding:18px 20px 22px}
.scene-body h3{font-size:16px;margin-bottom:6px}
.scene-body p{font-size:13.5px;color:var(--ink-2);line-height:1.8;margin:0}

/* ---------- plan ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.plan-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.plan-card.featured{border-color:#BFD8F2;box-shadow:var(--shadow-md);position:relative}
.plan-card.featured::after{content:"推荐";position:absolute;top:20px;right:20px;background:var(--accent-soft);color:#7A6212;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px}
.plan-head{font-size:18px;font-weight:700;margin-bottom:6px}
.plan-sub{font-size:13px;color:var(--ink-3);margin-bottom:18px}
.plan-price{font-size:26px;font-weight:700;color:var(--brand-dark);font-variant-numeric:tabular-nums;margin-bottom:18px}
.plan-price small{font-size:13px;font-weight:500;color:var(--ink-3);margin-left:6px}
.plan-list{display:grid;gap:11px;margin-bottom:22px}
.plan-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.75}
.plan-list li i{color:var(--brand);margin-top:6px;font-size:12px;flex:0 0 auto}

/* ---------- timeline ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:8px}
.timeline::before{content:"";position:absolute;top:20px;left:6%;right:6%;height:2px;background:linear-gradient(90deg,#D7E5F6,#D7E5F6);z-index:0}
.tl-item{position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:34px 22px 24px;box-shadow:var(--shadow-sm)}
.tl-dot{position:absolute;top:-9px;left:22px;width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px #fff}
.tl-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--brand);background:var(--brand-soft);padding:2px 10px;border-radius:999px;margin-bottom:10px}
.tl-item h3{font-size:16px;margin-bottom:6px}
.tl-item p{font-size:13.5px;color:var(--ink-2);line-height:1.8;margin:0}

/* ---------- guards ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:24px}
.guard-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.guard-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.guard-card i{font-size:22px;color:var(--brand);margin-bottom:14px;display:block}
.guard-card h3{font-size:17px;margin-bottom:8px}
.guard-card p{font-size:14px;color:var(--ink-2);line-height:1.85;margin:0}
.guard-note{background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:12px;padding:22px 26px;font-size:14.5px;color:var(--ink-2);line-height:1.9;box-shadow:var(--shadow-sm)}
.guard-note strong{color:var(--ink)}

/* ---------- steps ---------- */
.steps-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.steps-grid::before{content:"";position:absolute;top:26px;left:8%;right:8%;height:2px;background:#DCE8F5}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.step-num{width:44px;height:44px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:17px;font-weight:700;margin-bottom:16px;font-variant-numeric:tabular-nums}
.step h3{font-size:16px;margin-bottom:6px}
.step p{font-size:13.5px;color:var(--ink-2);line-height:1.8;margin:0}

/* ---------- voices ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.voice-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.voice-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.voice-card::before{content:"\201C";position:absolute;top:6px;right:20px;font-size:56px;line-height:1;color:var(--brand-soft)}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);display:grid;place-items:center;font-weight:700;font-size:16px;flex-shrink:0}
.voice-name{font-size:15px;font-weight:700;line-height:1.4}
.voice-city{font-size:12.5px;color:var(--ink-3)}
.stars{color:var(--accent);font-size:12px;letter-spacing:2px;margin-bottom:10px}
.voice-card p{font-size:14.5px;color:var(--ink-2);line-height:1.85;margin:0}

/* ---------- news ---------- */
.news-wrap{display:grid;grid-template-columns:230px 1fr;gap:34px;align-items:start}
.news-filter{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow-sm);position:sticky;top:88px}
.news-filter h3{font-size:14px;color:var(--ink-3);font-weight:600;letter-spacing:1px;margin-bottom:14px}
.chip-list{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-block;padding:6px 14px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600}
.chip.gold{background:var(--accent-soft);color:#7A6212}
.chip.plain{background:#F1F5FA;color:var(--ink-2);font-weight:500}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--ink-3)}
.news-title{font-size:16px;line-height:1.55;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:var(--ink)}
.news-title a:hover{color:var(--brand)}
.news-desc{font-size:13.5px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.news-more{margin-top:auto;padding-top:6px;font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.news-more i{transition:transform .2s ease;font-size:12px}
.news-card:hover .news-more i{transform:translateX(3px)}
.news-empty{background:#fff;border:1px dashed #C9D9EC;border-radius:var(--r-card);padding:56px 24px;text-align:center;color:var(--ink-2);font-size:15px}
.news-empty i{display:block;font-size:30px;color:#B9CCE4;margin-bottom:12px}
.news-empty span{display:block;font-size:13.5px;color:var(--ink-3);margin-top:6px}
.list-more{display:flex;justify-content:center;margin-top:32px}

/* ---------- channels ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:32px}
.channel-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;display:block}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.channel-card i.ch-icon{font-size:20px;color:var(--brand);background:var(--brand-soft);width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px}
.channel-card h3{font-size:18px;margin-bottom:8px;color:var(--ink)}
.channel-card p{font-size:14px;color:var(--ink-2);line-height:1.85;margin:0 0 14px}
.channel-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.tagcloud{display:flex;flex-wrap:wrap;gap:10px;padding-top:8px;border-top:1px dashed var(--line)}
.tag{display:inline-block;padding:7px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:13.5px;transition:all .18s ease}
.tag:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}

/* ---------- faq ---------- */
.qa-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:start}
.qa-list{display:grid;gap:12px}
.q-item{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-sm);overflow:hidden}
.q-toggle{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:18px 22px;background:transparent;border:0;text-align:left;font-size:15.5px;font-weight:600;color:var(--ink);cursor:pointer;transition:background .18s ease,color .18s ease;min-height:44px}
.q-toggle:hover{background:var(--brand-soft);color:var(--brand-dark)}
.q-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.q-toggle i{color:var(--brand);font-size:13px;transition:transform .25s ease;flex-shrink:0}
.q-toggle[aria-expanded="true"] i{transform:rotate(45deg)}
.q-body{padding:0 22px 20px;font-size:14.5px;color:var(--ink-2);line-height:1.9}
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quick-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .2s ease}
.quick-item:hover{box-shadow:var(--shadow-md)}

/* ---------- join ---------- */
.join-card{display:grid;grid-template-columns:1fr 1fr;gap:44px;background:var(--brand-soft);border:1px solid #D3E3F6;border-radius:24px;padding:48px}
.join-points{display:grid;gap:14px;margin-top:22px}
.join-points li{display:flex;gap:11px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.join-points i{color:var(--accent);margin-top:7px;font-size:13px;flex:0 0 auto}
.form-box{background:#fff;border:1px solid #D9E6F5;border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field input,.field select{width:100%;min-height:46px;padding:11px 14px;border:1px solid #D5E1EF;border-radius:10px;background:#fff;font-size:15px;color:var(--ink);font-family:inherit;transition:border-color .18s ease,box-shadow .18s ease}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,168,.15)}
.form-tip{display:none;margin-top:14px;font-size:13.5px;color:var(--brand-dark);background:var(--accent-soft);border-radius:10px;padding:11px 14px;line-height:1.7}
.form-note{font-size:12.5px;color:var(--ink-3);line-height:1.7;margin-top:12px}

/* ---------- cta band ---------- */
.cta-band{background:var(--nav);padding:64px 0;border-top:1px solid rgba(255,255,255,.08)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin:0}

/* ---------- footer ---------- */
.site-footer{background:#0E1E33;color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.62);margin:0}
.footer-col h3{font-size:14px;color:#fff;letter-spacing:1px;margin-bottom:16px;font-weight:600}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.68);font-size:13.5px}
.footer-col a:hover{color:#fff}
.city-tags{display:flex;flex-wrap:wrap;gap:8px}
.city-tags span{font-size:12.5px;color:rgba(255,255,255,.62);border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:3px 11px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-grid{gap:40px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .hero{padding:52px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .matrix-grid{grid-template-columns:repeat(2,1fr)}
  .tile-main{grid-row:span 1;grid-column:span 2}
  .plan-grid,.guard-grid,.voice-grid,.channel-grid,.quick-grid{grid-template-columns:1fr 1fr}
  .timeline,.steps-grid{grid-template-columns:1fr 1fr}
  .timeline::before,.steps-grid::before{display:none}
  .news-wrap{grid-template-columns:1fr}
  .news-filter{position:static}
  .qa-grid{grid-template-columns:1fr;gap:28px}
  .join-card{grid-template-columns:1fr;padding:34px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-toggle{display:inline-flex}
  .nav-menu{position:absolute;top:68px;left:0;right:0;background:#0D1E33;flex-direction:column;align-items:stretch;padding:12px 20px 20px;gap:2px;display:none;border-bottom:1px solid rgba(255,255,255,.1);max-height:75vh;overflow:auto;box-shadow:0 18px 34px rgba(4,12,22,.35)}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:13px 14px;font-size:15px;border-radius:8px}
  .nav-menu a::after{display:none}
  .nav-menu a.active{background:rgba(255,255,255,.08)}
  .nav-actions .nav-login{display:none}
  .nav-cta{display:none}
  .mobile-cta{display:block;margin-top:12px}
  .mobile-cta a{display:flex;align-items:center;justify-content:center;width:100%;padding:13px 18px;border-radius:10px;background:var(--accent);color:#241d03;font-weight:700;font-size:15px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .section{padding:48px 0}
  .hero{padding:40px 0 52px}
  .hero h1{font-size:28px}
  .hero-panel{padding:20px}
  .panel-top{flex-direction:column;align-items:flex-start;gap:16px}
  .compare-grid{grid-template-columns:1fr;gap:20px}
  .compare-line{display:none}
  .compare-col{padding:24px}
  .bar-wrap{grid-template-columns:1fr}
  .stats-grid,.matrix-grid,.plan-grid,.guard-grid,.voice-grid,.channel-grid,.quick-grid,.timeline,.steps-grid,.news-grid,.scene-grid{grid-template-columns:1fr}
  .tile-main{grid-column:span 1}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .join-card{padding:24px}
  .form-box{padding:20px}
  .ui-btn{width:100%}
  .hero-actions .ui-btn{width:100%}
}
@media (max-width:519px){
  .container{padding:0 16px}
  .brand-text strong{font-size:15px}
  .brand-text small{font-size:10px;letter-spacing:1.4px}
  .ring{width:112px;height:112px}
  .ring-inner{width:86px;height:86px}
  .ring-inner strong{font-size:20px}
}

/* roulang page: article */
:root{
  --brand:#1F5FA8;--brand-dark:#17497F;--brand-soft:#E8F1FB;
  --accent:#C9A227;--accent-dark:#B08F1F;--accent-soft:#FBF4DE;
  --ink:#1C2430;--ink-2:#5A6779;--ink-3:#8A96A6;
  --line:#E5EAF1;--bg:#FFFFFF;--bg-soft:#F6F9FD;--nav:#12253D;
  --shadow-sm:0 2px 8px rgba(28,36,48,.06);
  --shadow-md:0 8px 28px rgba(28,36,48,.08);
  --shadow-lg:0 14px 40px rgba(23,73,127,.14);
  --r-card:16px;--r-btn:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.9;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0 0 12px;color:var(--ink);font-weight:700}
p{margin:0 0 16px}
ul,ol{margin:0 0 16px;padding-left:1.25em}
button,input,select,textarea{font-family:inherit}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:88px 0;border-top:1px solid var(--line)}
.section-soft{background:var(--bg-soft)}
.section-head{max-width:780px;margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--brand);margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.35;margin-bottom:12px}
.section-desc{font-size:16px;color:var(--ink-2);line-height:1.9;margin:0}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--nav);transition:box-shadow .2s ease}
.site-header.scrolled{box-shadow:0 8px 26px rgba(9,20,35,.30);border-bottom:1px solid rgba(255,255,255,.08)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:68px;position:relative}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,#2A6EBD,#1A4C87);display:grid;place-items:center;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);flex-shrink:0}
.brand-mark svg{width:22px;height:22px;fill:#fff}
.brand-text strong{display:block;font-size:17px;line-height:1.2;color:#fff;letter-spacing:.6px}
.brand-text small{display:block;font-size:11px;line-height:1.5;color:var(--accent);letter-spacing:2px}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1;margin:0;padding:0;list-style:none}
.nav-menu a{position:relative;display:block;padding:9px 14px;font-size:15px;color:rgba(255,255,255,.82);border-radius:8px}
.nav-menu a::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:#fff;font-weight:600}
.nav-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}
.nav-login{font-size:14px;color:rgba(255,255,255,.75)}
.nav-login:hover{color:#fff}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;background:transparent;border:1px solid rgba(255,255,255,.24);color:#fff;font-size:17px;cursor:pointer}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.mobile-cta{display:none}
/* ---------- buttons ---------- */
.ui-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;min-height:46px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;text-align:center}
.ui-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.ui-btn-primary{background:var(--brand);color:#fff}
.ui-btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.ui-btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-sm)}
.ui-btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.ui-btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark)}
.ui-btn-gold{background:var(--accent);color:#241d03}
.ui-btn-gold:hover{background:var(--accent-dark);color:#241d03;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.nav-cta{padding:10px 18px;min-height:42px;font-size:14px}
/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:18px 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin:0;padding:0;list-style:none}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand)}
.crumb i{font-size:10px;color:var(--ink-3)}
.crumb-badge{display:inline-flex;align-items:center;padding:3px 12px;border-radius:999px;background:var(--accent-soft);color:#7A6212;font-size:12px;font-weight:600;border:1px solid rgba(201,162,39,.32)}
/* ---------- article layout ---------- */
.article-section{padding:52px 0 80px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.article-main{min-width:0}
.article-head{max-width:760px;margin:0 auto 26px}
.article-tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;margin-bottom:14px}
.article-head h1{font-size:clamp(26px,3.2vw,38px);line-height:1.35;margin-bottom:18px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13px;color:var(--ink-3);padding-bottom:18px;border-bottom:1px solid var(--line)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--brand)}
.author-chip{display:inline-flex;align-items:center;gap:9px}
.author-avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(140deg,#2A6EBD,#1A4C87);display:grid;place-items:center;color:#fff;font-size:12px;font-weight:700;flex-shrink:0}
.cover-wrap{max-width:760px;margin:0 auto 30px;border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm)}
.cover-wrap img{width:100%;aspect-ratio:16/9;object-fit:cover}
/* ---------- prose ---------- */
.prose{max-width:760px;margin:0 auto;font-size:17px;line-height:1.95;color:#232B37}
.prose h2{font-size:clamp(21px,2.2vw,26px);line-height:1.45;margin:38px 0 14px;padding-left:14px;border-left:3px solid var(--brand)}
.prose h3{font-size:19px;line-height:1.5;margin:28px 0 10px;font-weight:700}
.prose h4{font-size:17px;margin:22px 0 8px;font-weight:700;color:var(--brand-dark)}
.prose p{margin:0 0 1.2em}
.prose a{color:var(--brand);border-bottom:1px solid rgba(31,95,168,.32)}
.prose a:hover{border-bottom-color:var(--brand)}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.4em}
.prose li{margin-bottom:.5em}
.prose ul li::marker{color:var(--brand)}
.prose ol li::marker{color:var(--brand);font-weight:700}
.prose blockquote{margin:26px 0;padding:18px 24px;background:var(--brand-soft);border-left:3px solid var(--brand);border-radius:0 12px 12px 0;color:var(--brand-dark)}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:12px;margin:22px 0 8px;box-shadow:var(--shadow-sm)}
.prose figure{margin:22px 0}
.prose figcaption{text-align:center;font-size:13px;color:var(--ink-3);margin-top:8px}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;background:#FBFCFE;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.prose th{background:var(--bg-soft);font-weight:700;color:var(--ink);text-align:left}
.prose th,.prose td{padding:11px 14px;border-bottom:1px solid var(--line)}
.prose tr:last-child td{border-bottom:0}
.prose code{background:#F2F5FA;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14px;color:var(--brand-dark)}
.prose pre{background:#F7F9FC;border:1px solid var(--line);border-radius:12px;padding:16px 18px;overflow:auto;font-size:14px}
/* ---------- article footer bits ---------- */
.tag-row{max-width:760px;margin:36px auto 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-top:22px;border-top:1px solid var(--line)}
.tag-label{font-size:13px;color:var(--ink-3);margin-right:2px}
.tag-pill{display:inline-flex;align-items:center;padding:5px 14px;border-radius:999px;background:var(--bg-soft);border:1px solid var(--line);font-size:13px;color:var(--ink-2)}
.tag-pill:hover{background:var(--brand-soft);border-color:rgba(31,95,168,.35);color:var(--brand-dark)}
.share-row{max-width:760px;margin:22px auto 0;display:flex;flex-wrap:wrap;gap:12px}
.share-row .ui-btn{min-height:44px;padding:10px 20px;font-size:14px}
/* ---------- empty ---------- */
.empty-box{max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:56px 28px;text-align:center;box-shadow:var(--shadow-sm)}
.empty-box i{font-size:34px;color:var(--ink-3);margin-bottom:16px;display:block}
.empty-box h2{font-size:22px;margin-bottom:10px}
.empty-box p{color:var(--ink-2);margin-bottom:22px}
/* ---------- related ---------- */
.related-section{padding:72px 0;background:var(--bg-soft);border-top:1px solid var(--line)}
.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;height:100%}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;color:var(--ink-3);margin-bottom:10px}
.post-meta .badge-soft{background:var(--brand-soft);color:var(--brand);border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600}
.post-title{font-size:17px;line-height:1.55;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-title a{color:var(--ink)}
.post-title a:hover{color:var(--brand)}
.post-excerpt{font-size:14px;line-height:1.8;color:var(--ink-2);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:7px}
.post-more:hover{gap:11px;color:var(--brand-dark)}
/* ---------- prev next ---------- */
.pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:36px}
.pn-card{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.pn-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(31,95,168,.3)}
.pn-card i{color:var(--brand);font-size:15px}
.pn-card .pn-label{display:block;font-size:12px;color:var(--ink-3);margin-bottom:2px}
.pn-card .pn-title{font-size:15px;color:var(--ink);font-weight:600;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.pn-card.next{text-align:right;justify-content:flex-end}
/* ---------- back bar ---------- */
.back-bar{margin-top:32px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 26px;box-shadow:var(--shadow-sm)}
.back-bar p{margin:0;color:var(--ink-2);font-size:15px}
/* ---------- sidebar ---------- */
.side-col{display:flex;flex-direction:column;gap:24px;position:sticky;top:88px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-sm)}
.side-card h3{font-size:16px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:3px;height:16px;background:var(--accent);border-radius:2px}
.author-box{text-align:center}
.author-box .author-avatar{width:64px;height:64px;font-size:20px;margin:0 auto 14px}
.author-box strong{display:block;font-size:16px;margin-bottom:6px}
.author-box p{font-size:13px;color:var(--ink-2);line-height:1.8;margin:0 0 16px}
.author-box .ui-btn{width:100%;min-height:44px;font-size:14px}
.hot-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.hot-list li{display:flex;gap:10px;font-size:14px;line-height:1.65}
.hot-list .num{flex-shrink:0;width:20px;height:20px;border-radius:6px;background:var(--bg-soft);color:var(--ink-3);font-size:12px;display:grid;place-items:center;margin-top:3px;font-weight:700}
.hot-list li:nth-child(1) .num,.hot-list li:nth-child(2) .num,.hot-list li:nth-child(3) .num{background:var(--accent-soft);color:#8A6F0F}
.hot-list a{color:var(--ink-2)}
.hot-list a:hover{color:var(--brand)}
.side-cta{background:linear-gradient(165deg,#1B4E8A,#153A66);border:0;color:#fff}
.side-cta h3{color:#fff;border-bottom-color:rgba(255,255,255,.16)}
.side-cta h3::before{background:var(--accent)}
.side-cta p{color:rgba(255,255,255,.78);font-size:14px;line-height:1.85;margin-bottom:18px}
.side-cta .ui-btn{width:100%;min-height:44px;font-size:14px}
/* ---------- footer ---------- */
.site-footer{background:var(--nav);color:rgba(255,255,255,.72);padding:64px 0 0;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.62);margin:0}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.5px}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col ul a{font-size:13.5px;color:rgba(255,255,255,.66)}
.footer-col ul a:hover{color:#fff}
.city-tags{display:flex;flex-wrap:wrap;gap:8px}
.city-tags span{font-size:12.5px;padding:4px 11px;border-radius:999px;background:rgba(255,255,255,.07);color:rgba(255,255,255,.7)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.1);font-size:12.5px;color:rgba(255,255,255,.5)}
/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{max-width:1040px}
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:36px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:span 3}
  .footer-col:last-child ul{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex}
  .nav-wrap{gap:16px;justify-content:space-between;flex-wrap:wrap}
  .nav-actions{display:none}
  .nav-menu{position:absolute;top:68px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:2px;background:var(--nav);padding:14px 16px 20px;border-top:1px solid rgba(255,255,255,.1);box-shadow:0 18px 36px rgba(9,20,35,.36);border-radius:0 0 14px 14px}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:13px 12px;font-size:15.5px;border-radius:10px}
  .nav-menu a::after{left:12px;right:12px;bottom:6px}
  .mobile-cta{display:block;margin-top:10px}
  .mobile-cta a{display:flex;justify-content:center;background:var(--accent);color:#241d03;font-weight:700}
  .mobile-cta a::after{display:none}
  .mobile-cta a:hover{background:var(--accent-dark);color:#241d03}
  .section{padding:64px 0}
  .article-section{padding:40px 0 60px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .side-col{position:static}
  .card-grid-3{grid-template-columns:repeat(2,1fr)}
  .pn-grid{grid-template-columns:1fr}
  .pn-card.next{justify-content:flex-start;text-align:left}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .article-section{padding:32px 0 48px}
  .article-head h1{font-size:24px}
  .prose{font-size:16px;line-height:1.9}
  .card-grid-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-col:last-child{grid-column:auto}
  .footer-col:last-child ul{grid-template-columns:1fr}
  .back-bar{flex-direction:column;align-items:flex-start;padding:20px}
  .related-section{padding:52px 0}
  .share-row .ui-btn{flex:1 1 46%}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text strong{font-size:15.5px}
  .brand-text small{letter-spacing:1.4px}
  .ui-btn{width:100%}
  .share-row .ui-btn{width:100%}
  .article-meta{gap:8px 16px}
  .crumb{font-size:12px}
}

/* roulang page: category1 */
:root{
  --brand:#1F5FA8;--brand-dark:#17497F;--brand-soft:#E8F1FB;
  --accent:#C9A227;--accent-dark:#B08F1F;--accent-soft:#FBF4DE;
  --ink:#1C2430;--ink-2:#5A6779;--ink-3:#8A96A6;
  --line:#E5EAF1;--bg:#FFFFFF;--bg-soft:#F6F9FD;--nav:#12253D;
  --shadow-sm:0 2px 8px rgba(28,36,48,.06);
  --shadow-md:0 8px 28px rgba(28,36,48,.08);
  --shadow-lg:0 14px 40px rgba(23,73,127,.14);
  --r-card:16px;--r-btn:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.9;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:88px 0;border-top:1px solid var(--line)}
.section-soft{background:var(--bg-soft)}
.section-tight{padding:44px 0;border-top:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--brand);margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.35;margin-bottom:12px}
.section-desc{font-size:16px;color:var(--ink-2);line-height:1.9}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--nav);transition:box-shadow .2s ease}
.site-header.scrolled{box-shadow:0 8px 26px rgba(9,20,35,.30);border-bottom:1px solid rgba(255,255,255,.08)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:68px;position:relative}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,#2A6EBD,#1A4C87);display:grid;place-items:center;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);flex-shrink:0}
.brand-mark svg{width:22px;height:22px;fill:#fff}
.brand-text strong{display:block;font-size:17px;line-height:1.2;color:#fff;letter-spacing:.6px}
.brand-text small{display:block;font-size:11px;line-height:1.5;color:var(--accent);letter-spacing:2px}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1;margin:0}
.nav-menu a{position:relative;display:block;padding:9px 14px;font-size:15px;color:rgba(255,255,255,.82);border-radius:8px}
.nav-menu a::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:#fff;font-weight:600}
.nav-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}
.nav-login{font-size:14px;color:rgba(255,255,255,.75)}
.nav-login:hover{color:#fff}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;background:transparent;border:1px solid rgba(255,255,255,.24);color:#fff;font-size:17px;cursor:pointer}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.mobile-cta{display:none}
/* ---------- buttons ---------- */
.ui-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;min-height:46px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;text-align:center}
.ui-btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.ui-btn-primary{background:var(--brand);color:#fff}
.ui-btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.ui-btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-sm)}
.ui-btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.ui-btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark)}
.ui-btn-gold{background:var(--accent);color:#241d03}
.ui-btn-gold:hover{background:var(--accent-dark);color:#241d03;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.nav-cta{padding:10px 18px;min-height:42px;font-size:14px}
/* ---------- 分类页头部 ---------- */
.page-head{position:relative;padding:52px 0 64px;background:linear-gradient(180deg,#F2F7FE 0%,#FFFFFF 90%);overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(31,95,168,.13) 1px,transparent 1px);background-size:24px 24px;-webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 70%);mask-image:linear-gradient(180deg,#000 0%,transparent 70%);pointer-events:none}
.crumb{position:relative;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:22px}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand)}
.crumb em{font-style:normal;color:var(--brand);font-weight:600}
.page-head-grid{position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:start}
.page-head h1{font-size:clamp(28px,3.6vw,42px);line-height:1.28;margin-bottom:16px}
.page-head-lead{font-size:17px;color:var(--brand-dark);font-weight:600;margin-bottom:12px}
.page-head-text{font-size:16px;color:var(--ink-2);line-height:1.95;margin-bottom:24px;max-width:640px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.pill{display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600}
.pill.gold{background:var(--accent-soft);color:#7c6414}
.head-actions{display:flex;flex-wrap:wrap;gap:14px}
.head-side{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-md);padding:16px;overflow:hidden}
.head-side img{width:100%;height:150px;object-fit:cover;border-radius:12px;margin-bottom:16px}
.head-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat-item{background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;padding:14px 12px;position:relative}
.stat-item::before{content:"";position:absolute;top:0;left:12px;width:26px;height:2px;background:var(--accent)}
.stat-item b{display:block;font-size:24px;line-height:1.2;color:var(--brand-dark);font-variant-numeric:tabular-nums}
.stat-item span{display:block;font-size:12px;color:var(--ink-3);line-height:1.6}
/* ---------- 限时条 ---------- */
.flash-bar{display:grid;grid-template-columns:.88fr 1.12fr;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-md);overflow:hidden}
.flash-left{background:linear-gradient(150deg,#1B3760,#12253D);color:#fff;padding:32px 30px;display:flex;flex-direction:column;justify-content:center;gap:14px}
.flash-tag{align-self:flex-start;display:inline-flex;align-items:center;gap:7px;background:var(--accent);color:#241d03;font-size:12px;font-weight:700;letter-spacing:1px;padding:5px 12px;border-radius:999px}
.flash-caption{font-size:19px;font-weight:700;line-height:1.45;color:#fff;margin:0}
.flash-sub{font-size:13px;color:rgba(255,255,255,.68);line-height:1.7;margin:0}
.flash-count{display:flex;gap:8px}
.count-cell{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14);border-radius:9px;padding:8px 10px;min-width:54px;text-align:center}
.count-cell b{display:block;font-size:20px;line-height:1.15;color:#fff;font-variant-numeric:tabular-nums}
.count-cell span{display:block;font-size:11px;color:rgba(255,255,255,.6);line-height:1.6}
.flash-card{display:flex;gap:20px;padding:24px;align-items:center}
.flash-card img{width:160px;height:150px;object-fit:cover;border-radius:12px;flex-shrink:0}
.flash-card-body{flex:1;min-width:0}
.flash-card-body h3{font-size:18px;line-height:1.5;margin-bottom:8px}
.flash-card-body p{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:12px}
.flash-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
/* ---------- 胶囊筛选 ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}
.chip{display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink-2);font-size:14px;cursor:pointer;transition:all .18s ease;min-height:40px}
.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;box-shadow:var(--shadow-sm)}
.chip:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.chip-note{font-size:13px;color:var(--ink-3);line-height:1.8}
/* ---------- 同城约列表 ---------- */
.date-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.date-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.date-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#CFE0F3}
.date-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft)}
.date-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.date-card:hover .date-thumb img{transform:scale(1.04)}
.date-thumb .tag-type{position:absolute;left:14px;top:14px}
.date-body{padding:22px 24px 20px;display:flex;flex-direction:column;flex:1}
.date-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;font-size:12.5px;color:var(--ink-3)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1.6}
.tag-city{background:var(--brand-soft);color:var(--brand)}
.tag-type{background:var(--accent-soft);color:#7c6414;box-shadow:var(--shadow-sm)}
.date-title{font-size:18px;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.date-desc{font-size:14px;color:var(--ink-2);line-height:1.85;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.date-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-3)}
.join-count{display:inline-flex;align-items:center;gap:7px}
.join-count i{color:var(--brand)}
.date-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--brand)}
.date-link i{transition:transform .2s ease}
.date-link:hover i{transform:translateX(3px)}
.list-more{display:flex;justify-content:center;margin-top:38px}
/* ---------- 贴士 ---------- */
.tips-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.tip-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease}
.tip-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.tip-num{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:11px;background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:16px;margin-bottom:16px;font-variant-numeric:tabular-nums}
.tip-card h3{font-size:18px;line-height:1.5;margin-bottom:8px}
.tip-card p{font-size:14px;color:var(--ink-2);line-height:1.85}
/* ---------- 城市 ---------- */
.city-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:12px}
.city-chip{display:flex;align-items:center;justify-content:center;gap:7px;padding:14px 10px;background:#fff;border:1px solid var(--line);border-radius:12px;font-size:14.5px;color:var(--ink-2);box-shadow:var(--shadow-sm);transition:all .18s ease}
.city-chip i{color:var(--accent);font-size:12px}
.city-chip:hover{color:var(--brand);border-color:#CFE0F3;transform:translateY(-2px);box-shadow:var(--shadow-md)}
/* ---------- 安全条 ---------- */
.safety-band{background:linear-gradient(120deg,#1B3760,#12253D);border-radius:20px;padding:36px 38px;color:#fff;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}
.safety-band h2{font-size:clamp(20px,2vw,26px);line-height:1.4;color:#fff;margin-bottom:10px}
.safety-band p{font-size:15px;line-height:1.9;color:rgba(255,255,255,.76);max-width:760px}
.safety-points{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:16px;font-size:13.5px;color:rgba(255,255,255,.82)}
.safety-points span{display:inline-flex;align-items:center;gap:8px}
.safety-points i{color:var(--accent)}
/* ---------- FAQ ---------- */
.faq-acc{--bs-accordion-border-color:var(--line);--bs-accordion-bg:#fff;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.faq-acc .accordion-item{border:0;border-bottom:1px solid var(--line)}
.faq-acc .accordion-item:last-child{border-bottom:0}
.faq-acc .accordion-button{font-size:16.5px;font-weight:600;color:var(--ink);background:#fff;padding:22px 24px;box-shadow:none;line-height:1.6}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-dark);background:var(--brand-soft)}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent;outline:2px solid var(--brand);outline-offset:-2px}
.faq-acc .accordion-button::after{width:14px;height:14px;background-size:14px}
.faq-acc .accordion-body{padding:18px 24px 24px;font-size:15px;color:var(--ink-2);line-height:1.95;background:#fff}
/* ---------- 报名 ---------- */
.join-wrap{background:var(--brand-soft);border:1px solid #D6E6F8;border-radius:24px;padding:44px;display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:start}
.join-copy h2{font-size:clamp(24px,2.4vw,32px);line-height:1.35;margin-bottom:14px}
.join-copy p{font-size:15.5px;color:var(--ink-2);line-height:1.95;margin-bottom:20px}
.join-points li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);line-height:1.8;margin-bottom:12px}
.join-points i{color:var(--brand);margin-top:6px;font-size:13px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-md)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:block;margin-bottom:16px}
.field > span{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field input,.field select{width:100%;padding:12px 14px;min-height:46px;font-size:15px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);transition:border-color .18s ease,box-shadow .18s ease;font-family:inherit}
.field input::placeholder{color:#A7B2C0}
.field input:hover,.field select:hover{border-color:#C6D6E8}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,168,.14)}
.form-card .ui-btn{width:100%;margin-top:6px}
.form-tip{margin-top:14px;font-size:13.5px;color:var(--brand-dark);background:var(--brand-soft);border-radius:10px;padding:11px 14px;line-height:1.75}
.form-note{margin-top:12px;font-size:12.5px;color:var(--ink-3);line-height:1.7}
/* ---------- footer ---------- */
.site-footer{background:var(--nav);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:380px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.5px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col ul a:hover{color:#fff}
.city-tags{display:flex;flex-wrap:wrap;gap:8px}
.city-tags span{font-size:13px;padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.07);color:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.09)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:22px 0 26px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12.5px;color:rgba(255,255,255,.52);line-height:1.8}
/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .section{padding:68px 0}
  .page-head-grid{gap:36px}
  .join-wrap{padding:36px;gap:32px}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex}
  .nav-menu{position:fixed;left:0;right:0;top:68px;display:none;flex-direction:column;align-items:stretch;gap:4px;background:var(--nav);border-top:1px solid rgba(255,255,255,.10);padding:16px 20px 26px;max-height:calc(100vh - 68px);overflow:auto;box-shadow:0 18px 30px rgba(9,20,35,.35)}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:14px 12px;font-size:16px}
  .nav-menu a::after{display:none}
  .nav-actions .nav-cta,.nav-actions .nav-login{display:none}
  .mobile-cta{display:block;margin-top:14px}
  .mobile-cta a{display:block;text-align:center;background:var(--accent);color:#241d03;font-weight:700;border-radius:10px;padding:14px}
  .mobile-cta a:hover{background:var(--accent-dark);color:#241d03}
  .page-head{padding:40px 0 52px}
  .page-head-grid{grid-template-columns:1fr}
  .head-side{max-width:520px}
  .flash-bar{grid-template-columns:1fr}
  .tips-grid{grid-template-columns:1fr 1fr}
  .join-wrap{grid-template-columns:1fr}
  .safety-band{grid-template-columns:1fr;padding:30px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .section{padding:48px 0}
  .section-tight{padding:32px 0}
  .section-head{margin-bottom:30px}
  .date-grid{grid-template-columns:1fr;gap:20px}
  .tips-grid{grid-template-columns:1fr}
  .flash-card{flex-direction:column;align-items:flex-start;padding:22px}
  .flash-card img{width:100%;height:170px}
  .flash-left{padding:26px 22px}
  .page-head h1{font-size:26px}
  .head-actions .ui-btn{width:100%}
  .join-wrap{padding:24px 20px;border-radius:18px}
  .form-card{padding:20px}
  .form-row{grid-template-columns:1fr}
  .city-grid{grid-template-columns:repeat(auto-fill,minmax(96px,1fr))}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .safety-band{border-radius:16px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text strong{font-size:15.5px}
  .brand-text small{letter-spacing:1.4px}
  .count-cell{min-width:46px;padding:6px 8px}
  .count-cell b{font-size:17px}
  .date-body{padding:18px 18px 16px}
}

/* roulang page: category2 */
:root{
  --brand:#1F5FA8;--brand-dark:#17497F;--brand-soft:#E8F1FB;
  --accent:#C9A227;--accent-dark:#B08F1F;--accent-soft:#FBF4DE;
  --ink:#1C2430;--ink-2:#5A6779;--ink-3:#8A96A6;
  --line:#E5EAF1;--bg:#FFFFFF;--bg-soft:#F6F9FD;--nav:#12253D;
  --shadow-sm:0 2px 8px rgba(28,36,48,.06);
  --shadow-md:0 8px 28px rgba(28,36,48,.08);
  --shadow-lg:0 14px 40px rgba(23,73,127,.14);
  --r-card:16px;--r-btn:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.9;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4,p{margin:0}
ul{list-style:none;margin:0;padding:0}
button{font-family:inherit}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:88px 0;border-top:1px solid var(--line)}
.section-soft{background:var(--bg-soft)}
.section-head{max-width:780px;margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--brand);margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.35;margin-bottom:12px;color:var(--ink)}
.section-desc{font-size:16px;color:var(--ink-2);line-height:1.9}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--nav);transition:box-shadow .2s ease}
.site-header.scrolled{box-shadow:0 8px 26px rgba(9,20,35,.30);border-bottom:1px solid rgba(255,255,255,.08)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:68px;position:relative}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,#2A6EBD,#1A4C87);display:grid;place-items:center;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);flex-shrink:0}
.brand-mark svg{width:22px;height:22px;fill:#fff}
.brand-text strong{display:block;font-size:17px;line-height:1.2;color:#fff;letter-spacing:.6px}
.brand-text small{display:block;font-size:11px;line-height:1.5;color:var(--accent);letter-spacing:2px}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1}
.nav-menu a{position:relative;display:block;padding:9px 14px;font-size:15px;color:rgba(255,255,255,.82);border-radius:8px}
.nav-menu a::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:#fff;font-weight:600}
.nav-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}
.nav-login{font-size:14px;color:rgba(255,255,255,.75)}
.nav-login:hover{color:#fff}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;background:transparent;border:1px solid rgba(255,255,255,.24);color:#fff;font-size:17px;cursor:pointer}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.mobile-cta{display:none}

/* ---------- buttons ---------- */
.ui-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;min-height:46px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;text-align:center}
.ui-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.ui-btn-primary{background:var(--brand);color:#fff}
.ui-btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.ui-btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-sm)}
.ui-btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.ui-btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark)}
.ui-btn-gold{background:var(--accent);color:#241d03}
.ui-btn-gold:hover{background:var(--accent-dark);color:#241d03;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.nav-cta{padding:10px 18px;min-height:42px;font-size:14px}

/* ---------- category head ---------- */
.cat-head{position:relative;padding:36px 0 60px;background:linear-gradient(180deg,#F2F7FE 0%,#FFFFFF 88%);border-bottom:1px solid var(--line);overflow:hidden}
.cat-head::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(31,95,168,.12) 1px,transparent 1px);background-size:24px 24px;-webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 78%);mask-image:linear-gradient(180deg,#000 0%,transparent 78%);pointer-events:none}
.crumbs{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:26px}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--brand)}
.crumbs span.sep{color:var(--ink-3)}
.cat-head-grid{position:relative;display:grid;grid-template-columns:1.35fr .65fr;gap:48px;align-items:center}
.rule{display:block;width:38px;height:3px;border-radius:2px;background:var(--accent);margin-bottom:18px}
.cat-head h1{font-size:clamp(28px,3.4vw,42px);line-height:1.28;margin-bottom:16px}
.cat-head p{font-size:16px;line-height:1.95;color:var(--ink-2);max-width:640px}
.cat-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.cat-stats span{display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);font-size:13px;color:var(--ink-2)}
.cat-stats i{color:var(--brand)}
.cat-art{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line);background:#fff}
.cat-art img{width:100%;height:280px;object-fit:cover}

/* ---------- way cards ---------- */
.way-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.way-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;height:100%}
.way-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#D6E4F5}
.way-icon{width:46px;height:46px;border-radius:13px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:19px;margin-bottom:16px}
.way-card h3{font-size:18px;line-height:1.5;margin-bottom:10px}
.way-card p{font-size:14.5px;line-height:1.85;color:var(--ink-2)}

/* ---------- topic list ---------- */
.topic-list{display:grid;gap:18px}
.topic-card{display:grid;grid-template-columns:264px 1fr;gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px;box-shadow:var(--shadow-sm);color:inherit;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#D6E4F5;color:inherit}
.topic-thumb{display:block;border-radius:12px;overflow:hidden;background:var(--bg-soft)}
.topic-thumb img{width:100%;height:172px;object-fit:cover;transition:transform .3s ease}
.topic-card:hover .topic-thumb img{transform:scale(1.04)}
.topic-body{display:flex;flex-direction:column;min-width:0}
.topic-meta{display:flex;align-items:center;gap:12px;margin-bottom:8px;flex-wrap:wrap}
.badge-soft{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600}
.badge-gold{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;background:var(--accent-soft);color:#7A6210;font-size:13px;font-weight:600}
.topic-meta time{font-size:13px;color:var(--ink-3)}
.topic-card h3{font-size:19px;line-height:1.5;margin-bottom:8px;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-card:hover h3{color:var(--brand)}
.topic-card p{font-size:14.5px;line-height:1.85;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.topic-more{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:14px;font-weight:600;color:var(--brand)}
.list-foot{display:flex;justify-content:center;margin-top:34px}
.list-empty{padding:38px 26px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;text-align:center;color:var(--ink-3);font-size:15px}

/* ---------- steps ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.step-no{width:44px;height:44px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:16px;font-weight:700;margin-bottom:16px;font-variant-numeric:tabular-nums}
.step-card h3{font-size:18px;line-height:1.5;margin-bottom:8px}
.step-card p{font-size:14.5px;line-height:1.85;color:var(--ink-2)}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.review-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.review-card::before{content:"“";position:absolute;top:6px;left:20px;font-size:52px;line-height:1;color:var(--brand-soft);font-family:Georgia,serif}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;position:relative}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(140deg,#2A6EBD,#1A4C87);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;flex-shrink:0}
.review-name{font-size:15px;font-weight:700;color:var(--ink)}
.review-city{font-size:13px;color:var(--ink-3)}
.review-card p{font-size:15px;line-height:1.9;color:var(--ink-2);position:relative}
.stars{display:inline-flex;gap:3px;color:var(--accent);font-size:13px;margin-top:14px}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease}
.faq-item[open]{border-color:#CFE0F4;box-shadow:var(--shadow-md)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--brand);transition:transform .2s ease}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--ink-2)}
.faq-side{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-card);padding:30px 28px;box-shadow:var(--shadow-sm)}
.faq-side h3{font-size:19px;margin-bottom:12px}
.faq-side p{font-size:14.5px;line-height:1.9;color:var(--ink-2);margin-bottom:18px}

/* ---------- cta band ---------- */
.cta-card{display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;background:var(--brand-soft);border:1px solid #D3E3F7;border-radius:22px;padding:44px 46px;box-shadow:var(--shadow-sm)}
.cta-card h2{font-size:clamp(22px,2.4vw,30px);line-height:1.4;margin-bottom:12px}
.cta-card p{font-size:15px;line-height:1.9;color:var(--ink-2);max-width:560px}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .ui-btn{width:100%}
.cta-note{font-size:13px;color:var(--ink-3);text-align:center}

/* ---------- footer ---------- */
.site-footer{background:var(--nav);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin-top:16px;max-width:340px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:#fff}
.city-tags{display:flex;flex-wrap:wrap;gap:8px}
.city-tags span{font-size:13px;padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.08);color:rgba(255,255,255,.78)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.55);line-height:1.8}

@media (max-width:1199px){
  .container{max-width:1040px}
  .cat-head-grid{gap:34px}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex}
  .nav-menu{position:fixed;top:68px;left:0;right:0;bottom:0;display:none;flex-direction:column;align-items:flex-start;gap:2px;background:var(--nav);padding:18px 22px 32px;overflow-y:auto;z-index:1029;box-shadow:0 20px 40px rgba(9,20,35,.4)}
  .nav-menu.open{display:flex}
  .nav-menu a{width:100%;padding:14px 8px;font-size:16px}
  .nav-menu a::after{left:8px;right:auto;width:26px}
  .nav-actions{display:none}
  .mobile-cta{display:block;width:100%;margin-top:16px}
  .mobile-cta a{display:block;text-align:center;background:var(--accent);color:#241d03;font-weight:700;border-radius:10px;padding:14px}
  .section{padding:64px 0}
  .cat-head{padding:28px 0 48px}
  .cat-head-grid{grid-template-columns:1fr;gap:28px}
  .cat-art img{height:230px}
  .way-grid{grid-template-columns:repeat(2,1fr)}
  .step-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .cta-card{grid-template-columns:1fr;padding:34px 30px;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .cat-head h1{font-size:26px}
  .topic-card{grid-template-columns:1fr;gap:16px;padding:16px}
  .topic-thumb img{height:190px}
  .way-grid{grid-template-columns:1fr}
  .section-head{margin-bottom:30px}
  .footer-grid{grid-template-columns:1fr}
  .cta-card{padding:28px 22px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text strong{font-size:16px}
  .brand-text small{letter-spacing:1px}
  .cat-stats span{font-size:12px;padding:7px 12px}
  .topic-card h3{font-size:17px}
  .ui-btn{width:100%}
  .list-foot .ui-btn{width:100%}
}

/* roulang page: category3 */
:root{
  --brand:#1F5FA8;--brand-dark:#17497F;--brand-soft:#E8F1FB;
  --accent:#C9A227;--accent-dark:#B08F1F;--accent-soft:#FBF4DE;
  --ink:#1C2430;--ink-2:#5A6779;--ink-3:#8A96A6;
  --line:#E5EAF1;--bg:#FFFFFF;--bg-soft:#F6F9FD;--nav:#12253D;
  --shadow-sm:0 2px 8px rgba(28,36,48,.06);
  --shadow-md:0 8px 28px rgba(28,36,48,.08);
  --shadow-lg:0 14px 40px rgba(23,73,127,.14);
  --r-card:16px;--r-btn:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.9;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:.2px}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:88px 0;border-top:1px solid var(--line)}
.section-soft{background:var(--bg-soft)}
.section-head{max-width:780px;margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--brand);margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.35;margin-bottom:12px}
.section-desc{font-size:16px;color:var(--ink-2);line-height:1.9;margin:0}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--nav);transition:box-shadow .2s ease}
.site-header.scrolled{box-shadow:0 8px 26px rgba(9,20,35,.30);border-bottom:1px solid rgba(255,255,255,.08)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:68px;position:relative}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,#2A6EBD,#1A4C87);display:grid;place-items:center;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);flex-shrink:0}
.brand-mark svg{width:22px;height:22px;fill:#fff}
.brand-text strong{display:block;font-size:17px;line-height:1.2;color:#fff;letter-spacing:.6px}
.brand-text small{display:block;font-size:11px;line-height:1.5;color:var(--accent);letter-spacing:2px}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1}
.nav-menu a{position:relative;display:block;padding:9px 14px;font-size:15px;color:rgba(255,255,255,.82);border-radius:8px}
.nav-menu a::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:#fff;font-weight:600}
.nav-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}
.nav-login{font-size:14px;color:rgba(255,255,255,.75)}
.nav-login:hover{color:#fff}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;background:transparent;border:1px solid rgba(255,255,255,.24);color:#fff;font-size:17px;cursor:pointer}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.mobile-cta{display:none}
/* ---------- buttons ---------- */
.ui-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;min-height:46px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;text-align:center}
.ui-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.ui-btn-primary{background:var(--brand);color:#fff}
.ui-btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.ui-btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-sm)}
.ui-btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.ui-btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark)}
.ui-btn-gold{background:var(--accent);color:#241d03}
.ui-btn-gold:hover{background:var(--accent-dark);color:#241d03;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.nav-cta{padding:10px 18px;min-height:42px;font-size:14px}
/* ---------- page head ---------- */
.page-head{position:relative;padding:54px 0 62px;background:var(--nav);color:#fff;overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background:url('/assets/images/ed3266520f65c8e7.webp') center/cover no-repeat;opacity:.3}
.page-head::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(18,37,61,.95) 8%,rgba(18,37,61,.66) 62%,rgba(18,37,61,.5) 100%)}
.page-head .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.8)}
.crumb a:hover{color:#fff}
.crumb span.sep{color:rgba(255,255,255,.35)}
.page-head h1{font-size:clamp(28px,3.4vw,42px);line-height:1.3;color:#fff;max-width:880px;margin-bottom:16px}
.page-head-lead{max-width:760px;font-size:16px;line-height:1.95;color:rgba(255,255,255,.82);margin-bottom:26px}
.head-stats{display:flex;flex-wrap:wrap;gap:12px}
.head-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);font-size:13px;color:#fff;font-variant-numeric:tabular-nums}
.head-chip i{color:var(--accent)}
/* ---------- badges ---------- */
.badge-soft{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600}
.badge-gold{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:var(--accent-soft);color:#7a5f10;font-size:13px;font-weight:600}
/* ---------- pool ---------- */
.pool-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:26px;align-items:start}
.pool-main{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease}
.pool-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.pool-img{width:100%;height:236px;object-fit:cover}
.pool-body{padding:26px 28px}
.pool-body h3{font-size:21px;line-height:1.5;margin:12px 0 10px}
.pool-body p{font-size:15px;color:var(--ink-2);line-height:1.9}
.pool-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:16px;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.pool-meta i{color:var(--brand);margin-right:5px}
.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;height:100%;display:flex;flex-direction:column}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe0f4}
.mini-card h4{font-size:16px;line-height:1.55;margin:10px 0 8px}
.mini-card p{font-size:13px;color:var(--ink-2);line-height:1.8;flex:1}
.mini-card .mini-num{margin-top:12px;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.mini-card .mini-num i{color:var(--accent);margin-right:5px}
/* ---------- timeline ---------- */
.topic-timeline{position:relative}
.topic-timeline::before{content:"";position:absolute;left:112px;top:16px;bottom:24px;width:2px;background:var(--line)}
.tl-item{position:relative;display:grid;grid-template-columns:96px 1fr;gap:34px;margin-bottom:20px}
.tl-item::after{content:"";position:absolute;left:105px;top:26px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--brand)}
.tl-date{text-align:right;padding-top:18px}
.tl-date .day{display:block;font-size:26px;font-weight:700;line-height:1.1;color:var(--brand);font-variant-numeric:tabular-nums}
.tl-date .month{display:block;font-size:12px;color:var(--ink-3);letter-spacing:1px}
.tl-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 26px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.tl-card:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:#cfe0f4}
.tl-card h3{font-size:18px;line-height:1.55;margin:10px 0 8px}
.tl-card p{font-size:14px;color:var(--ink-2);line-height:1.85}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:14px;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.tl-meta i{color:var(--brand);margin-right:5px}
.list-foot{display:flex;justify-content:center;margin-top:36px}
/* ---------- norms ---------- */
.norm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.norm-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;position:relative}
.norm-card::before{content:"";position:absolute;top:0;left:26px;width:36px;height:2px;background:var(--accent)}
.norm-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.norm-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:18px;margin-bottom:16px}
.norm-card h3{font-size:18px;margin-bottom:10px}
.norm-card p{font-size:14px;color:var(--ink-2);line-height:1.85}
/* ---------- channels ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.channel-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;color:var(--ink)}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c9ddf3;color:var(--ink)}
.channel-card .channel-tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:4px 12px;margin-bottom:14px}
.channel-card h3{font-size:19px;margin-bottom:10px}
.channel-card p{font-size:14px;color:var(--ink-2);line-height:1.85;margin-bottom:16px}
.channel-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand)}
.channel-card:hover .channel-link{color:var(--brand-dark)}
.channel-link i{transition:transform .2s ease}
.channel-card:hover .channel-link i{transform:translateX(4px)}
/* ---------- picks ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pick-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.pick-card img{width:100%;height:168px;object-fit:cover}
.pick-body{padding:22px 24px}
.pick-body h3{font-size:17px;line-height:1.6;margin:10px 0 8px}
.pick-body p{font-size:14px;color:var(--ink-2);line-height:1.85}
.pick-time{display:block;margin-top:14px;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:.62fr 1fr;gap:56px;align-items:start}
.faq-aside p{font-size:15px;color:var(--ink-2);line-height:1.95;margin-top:14px}
.faq-note{margin-top:22px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:12px;padding:18px 20px;font-size:14px;color:var(--ink-2);box-shadow:var(--shadow-sm)}
.faq-note strong{color:var(--ink)}
.accordion-item{border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm)}
.accordion-button{font-size:16px;font-weight:600;color:var(--ink);background:#fff;padding:18px 22px;box-shadow:none!important}
.accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-soft)}
.accordion-button:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.accordion-button::after{filter:saturate(0) opacity(.6)}
.accordion-body{padding:16px 22px 22px;font-size:14px;color:var(--ink-2);line-height:1.95}
/* ---------- cta band ---------- */
.cta-band{background:linear-gradient(135deg,#E8F1FB 0%,#F6F9FD 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:64px 0}
.cta-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);line-height:1.4;margin-bottom:12px}
.cta-inner p{font-size:15px;color:var(--ink-2);line-height:1.95}
.cta-points{display:grid;gap:8px;margin-top:18px}
.cta-points span{display:inline-flex;align-items:center;gap:9px;font-size:14px;color:var(--ink-2)}
.cta-points i{color:var(--brand)}
.cta-form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow-md)}
.cta-form h3{font-size:17px;margin-bottom:6px}
.cta-form .form-hint{font-size:13px;color:var(--ink-3);margin-bottom:16px}
.cta-form label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.cta-form .form-control,.cta-form .form-select{font-size:14px;border-radius:10px;border:1px solid var(--line);padding:11px 14px;color:var(--ink);background:#fff;min-height:44px}
.cta-form .form-control:focus,.cta-form .form-select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,168,.14);outline:none}
.cta-form .ui-btn{width:100%;margin-top:6px}
.form-group{margin-bottom:14px}
/* ---------- footer ---------- */
.site-footer{background:var(--nav);color:rgba(255,255,255,.72);padding:68px 0 26px;border-top:1px solid rgba(255,255,255,.06)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{font-size:14px;line-height:1.95;color:rgba(255,255,255,.62);margin-top:16px;max-width:340px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.5px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:#fff}
.city-tags{display:flex;flex-wrap:wrap;gap:8px}
.city-tags span{font-size:13px;padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.08);color:rgba(255,255,255,.72)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.5)}
/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{max-width:1000px}
  .pool-grid{grid-template-columns:1fr}
  .mini-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .nav-toggle{display:inline-flex}
  .nav-menu{position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;background:var(--nav);padding:14px 20px 22px;border-top:1px solid rgba(255,255,255,.08);box-shadow:0 22px 40px rgba(9,20,35,.45);display:none}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 14px;font-size:15px}
  .nav-menu a::after{display:none}
  .nav-menu a.active{background:rgba(255,255,255,.08)}
  .mobile-cta{display:block;margin-top:10px}
  .mobile-cta a{display:block;text-align:center;background:var(--accent);color:#241d03;font-weight:700;border-radius:10px}
  .mobile-cta a:hover{background:var(--accent-dark);color:#241d03}
  .nav-actions{display:none}
  .nav-wrap{gap:12px;justify-content:space-between}
  .pool-img{height:210px}
  .norm-grid,.channel-grid,.pick-grid{grid-template-columns:1fr 1fr}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .page-head{padding:38px 0 46px}
  .page-head-lead{font-size:15px}
  .pool-body{padding:20px}
  .mini-grid{grid-template-columns:1fr}
  .norm-grid,.channel-grid,.pick-grid{grid-template-columns:1fr}
  .topic-timeline::before{display:none}
  .tl-item{grid-template-columns:1fr;gap:10px}
  .tl-item::after{display:none}
  .tl-date{text-align:left;padding-top:0;display:flex;align-items:baseline;gap:8px}
  .tl-date .day{font-size:20px}
  .tl-card{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .head-chip{font-size:12px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .page-head h1{font-size:25px}
  .cta-form{padding:20px}
  .ui-btn{width:100%}
  .list-foot .ui-btn{width:100%}
}