/* roulang page: index */
:root{
  --ink-900:#0B0910;--ink-800:#12101A;--ink-700:#1A1723;--ink-600:#232030;
  --brand:#FF3D6E;--brand-soft:rgba(255,61,110,.14);
  --accent:#22E0B8;--warn:#FFC24B;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --text:#F3F0F7;--text-2:#A79FB6;--text-3:#6E6880;
  --r-card:14px;--r-btn:10px;--shadow:0 10px 28px rgba(0,0,0,.45);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --bs-body-bg:#0B0910;--bs-body-color:#F3F0F7;--bs-primary:#FF3D6E;
  --bs-border-color:rgba(255,255,255,.08);--bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-link-color:#22E0B8;--bs-link-hover-color:#FF5A83;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;padding:0;font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;background:var(--ink-900);color:var(--text);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand);color:#14060B}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.sec{padding:72px 0;border-top:1px solid var(--line);position:relative}
.sec-alt{background:var(--ink-800)}
.sec-dots{background-image:radial-gradient(rgba(255,255,255,.04) 1px,transparent 1px);background-size:24px 24px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.sec-num{font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--text-3);display:block;margin-bottom:8px}
.sec-head h2{font-size:clamp(22px,2.2vw,32px);line-height:1.3;font-weight:800;display:flex;align-items:center;gap:12px}
.sec-head h2::before{content:"";flex:0 0 auto;width:3px;height:18px;border-radius:2px;background:var(--brand);box-shadow:0 0 12px rgba(255,61,110,.65)}
.sec-sub{color:var(--text-2);font-size:14.5px;max-width:640px;margin-top:12px;line-height:1.85}
.link-more{font-size:14px;color:var(--text-2);border-bottom:1px solid var(--line-strong);padding-bottom:3px;white-space:nowrap}
.link-more:hover{color:var(--accent);border-color:var(--accent)}
/* header */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(11,9,16,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:height .2s ease}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:16.5px;color:var(--text);letter-spacing:-.01em}
.brand:hover{color:var(--text)}
.brand-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#8E2A55);display:grid;place-items:center;font-size:14px;font-weight:900;color:#14060B;box-shadow:0 0 18px rgba(255,61,110,.35);transition:box-shadow .25s ease,transform .25s ease}
.brand:hover .brand-mark{box-shadow:0 0 26px rgba(255,61,110,.65);transform:rotate(-6deg)}
.nav-list{display:flex;align-items:center;gap:26px}
.nav-list a{font-size:14.5px;color:var(--text-2);position:relative;padding:6px 0;display:inline-block}
.nav-list a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);transition:width .22s ease}
.nav-list a:hover{color:var(--accent)}
.nav-list a:hover::after{width:100%}
.nav-list a.active{color:var(--brand)}
.nav-list a.active::after{width:100%;background:var(--brand);box-shadow:0 0 10px rgba(255,61,110,.7)}
.nav-right{display:flex;align-items:center;gap:12px}
.burger{width:44px;height:42px;border-radius:10px;border:1px solid var(--line-strong);background:transparent;color:var(--text);display:none;align-items:center;justify-content:center;font-size:18px}
.burger:hover{border-color:var(--accent);color:var(--accent)}
.offcanvas{background:var(--ink-800)!important;color:var(--text)!important;border-left:1px solid var(--line)!important}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas .m-list a{display:flex;align-items:center;height:48px;padding:0 6px;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--text-2)}
.offcanvas .m-list a:hover{color:var(--accent)}
.btn-close{filter:invert(1) grayscale(1)}
/* buttons */
.btn-neon{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);background:var(--brand);color:#14060B;font-weight:800;font-size:15px;border:1px solid transparent;box-shadow:0 0 0 1px rgba(255,61,110,.35),0 0 22px rgba(255,61,110,.25);transition:background .22s ease,transform .22s ease,box-shadow .22s ease}
.btn-neon:hover{background:#FF5A83;color:#14060B;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,61,110,.5),0 0 30px rgba(255,61,110,.4)}
.btn-neon:active{transform:translateY(0)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid var(--line-strong);background:transparent;color:var(--text);font-weight:700;font-size:15px;transition:border-color .22s ease,color .22s ease,transform .22s ease}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;font-size:14px;padding:0 18px}
/* hero */
.hero{position:relative;padding:64px 0 76px;border-top:0;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/9dd9f6ba45e9d625.webp') center/cover no-repeat;opacity:.16;filter:saturate(.9)}
.hero-bg::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 82% 22%,rgba(255,61,110,.22),transparent 46%),radial-gradient(circle at 12% 82%,rgba(34,224,184,.12),transparent 48%),linear-gradient(180deg,rgba(11,9,16,.6),var(--ink-900) 88%)}
.hero .container{position:relative;z-index:2}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.06em;color:var(--accent);background:rgba(34,224,184,.1);border:1px solid rgba(34,224,184,.28);border-radius:999px;padding:6px 14px;margin-bottom:20px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.hero h1{font-size:clamp(28px,3.2vw,44px);line-height:1.2;font-weight:900;letter-spacing:-.01em;max-width:16em}
.hero-sub{font-size:clamp(16px,1.4vw,19px);color:var(--text);font-weight:700;margin-top:18px}
.hero-desc{color:var(--text-2);font-size:15.5px;line-height:1.85;margin-top:14px;max-width:640px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero-stats{display:flex;gap:34px;margin-top:32px;flex-wrap:wrap}
.hero-stats li b{display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:26px;font-weight:800;color:var(--accent);line-height:1.2}
.hero-stats li span{font-size:12.5px;color:var(--text-3)}
.hero-feature{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow);margin:0}
.hero-feature img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--ink-700)}
.hero-feature figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;background:linear-gradient(180deg,transparent,rgba(11,9,16,.94));font-size:13.5px;color:var(--text)}
.hero-float{position:relative;margin-top:-38px;margin-left:18px;margin-right:18px;background:var(--ink-700);border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:space-between;gap:14px;z-index:3}
.hero-float span{font-size:12.5px;color:var(--text-3);display:block}
.hero-float b{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:20px;color:var(--brand)}
/* kpi */
.kpi{background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow);height:100%;transition:border-color .25s ease,transform .25s ease}
.kpi:hover{border-color:rgba(255,61,110,.4);transform:translateY(-3px)}
.kpi .k-label{font-size:13px;color:var(--text-3)}
.kpi .k-val{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:clamp(28px,3vw,40px);font-weight:800;line-height:1.2;margin:10px 0 4px;color:var(--text)}
.kpi .k-val small{font-size:13px;font-weight:600;color:var(--text-3);margin-left:4px}
.k-tag{display:inline-flex;align-items:center;gap:5px;font-size:12px;padding:3px 10px;border-radius:999px;background:rgba(34,224,184,.12);color:var(--accent);font-family:var(--mono)}
.k-tag.warn{background:rgba(255,194,75,.12);color:var(--warn)}
/* matrix */
.matrix-card{position:relative;background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden;height:100%;display:flex;flex-direction:column;transition:border-color .25s ease,transform .25s ease}
.matrix-card:hover{border-color:rgba(255,61,110,.4);transform:translateY(-3px)}
.matrix-card .thumb{overflow:hidden;border-radius:0;background:var(--ink-600)}
.matrix-card .thumb img{width:100%;object-fit:cover;transition:transform .3s ease}
.matrix-card:hover .thumb img{transform:scale(1.04)}
.matrix-card .m-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.matrix-card h3{font-size:18px;font-weight:700;line-height:1.4}
.matrix-card p{font-size:14px;color:var(--text-2);line-height:1.8}
.matrix-card .m-tags{margin-top:auto;display:flex;gap:8px;flex-wrap:wrap;padding-top:8px}
.matrix-big .thumb img{aspect-ratio:16/9}
.matrix-tall .thumb img{aspect-ratio:4/3}
.matrix-sm .thumb img{aspect-ratio:4/3}
.tag{display:inline-flex;align-items:center;font-size:12px;padding:3px 10px;border-radius:999px;background:var(--brand-soft);color:#FF7C9C}
.tag.alt{background:rgba(34,224,184,.12);color:var(--accent)}
.tag.mute{background:rgba(255,255,255,.05);color:var(--text-2)}
/* scene */
.scene-card{background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);height:100%;display:flex;flex-direction:column;transition:border-color .25s ease,transform .25s ease}
.scene-card:hover{border-color:rgba(255,61,110,.4);transform:translateY(-3px)}
.scene-card img{aspect-ratio:4/3;object-fit:cover;width:100%;background:var(--ink-600);transition:transform .3s ease}
.scene-card:hover img{transform:scale(1.04)}
.scene-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.scene-body h3{font-size:16.5px;font-weight:700}
.scene-body p{font-size:13.5px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.scene-body .s-tags{margin-top:auto;padding-top:6px;display:flex;gap:6px;flex-wrap:wrap}
/* compare */
.compare{display:grid;grid-template-columns:1fr 1px 1fr;gap:30px;align-items:start}
.cmp-col{border-radius:var(--r-card);padding:26px;border:1px solid var(--line);background:var(--ink-800)}
.cmp-col.on{background:linear-gradient(180deg,rgba(255,61,110,.08),rgba(26,23,35,.9));border-color:rgba(255,61,110,.35);box-shadow:0 0 30px rgba(255,61,110,.14)}
.cmp-col h3{font-size:17px;font-weight:800;margin-bottom:18px;display:flex;align-items:center;gap:9px}
.cmp-col h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--text-3)}
.cmp-col.on h3::before{background:var(--brand);box-shadow:0 0 12px var(--brand)}
.cmp-item{margin-bottom:18px}
.cmp-item .ci-top{display:flex;justify-content:space-between;font-size:13.5px;color:var(--text-2);margin-bottom:7px}
.cmp-item .ci-top b{font-family:var(--mono);color:var(--text-3);font-weight:700}
.cmp-col.on .ci-top b{color:var(--accent)}
.bar{height:7px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:var(--text-3);opacity:.65}
.cmp-col.on .bar i{background:linear-gradient(90deg,var(--accent),var(--brand));opacity:1}
.cmp-line{background:var(--line);width:1px;height:100%;min-height:240px;justify-self:center}
/* timeline */
.timeline{display:flex;gap:22px;overflow-x:auto;padding:6px 2px 14px;scroll-snap-type:x mandatory}
.timeline::-webkit-scrollbar{height:6px}
.timeline::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:999px}
.tl-node{flex:0 0 216px;min-width:216px;scroll-snap-align:start;border-top:1px solid var(--line-strong);padding-top:20px;position:relative}
.tl-node::before{content:"";position:absolute;top:-6px;left:0;width:11px;height:11px;border-radius:50%;background:var(--brand);box-shadow:0 0 14px rgba(255,61,110,.8)}
.tl-node b{font-family:var(--mono);font-size:19px;font-weight:800;color:var(--accent);display:block;margin-bottom:6px}
.tl-node h3{font-size:15px;font-weight:700;margin-bottom:6px}
.tl-node p{font-size:13px;color:var(--text-2);line-height:1.75}
/* news */
.news-card{display:flex;flex-direction:column;height:100%;background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);transition:border-color .25s ease,transform .25s ease}
.news-card:hover{border-color:rgba(255,61,110,.4);transform:translateY(-3px)}
.news-card:hover h3{color:var(--accent)}
.news-card .thumb{position:relative;padding-top:66%;overflow:hidden;background:var(--ink-600)}
.news-card .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-card:hover .thumb img{transform:scale(1.04)}
.news-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:16px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.news-body p{font-size:13.5px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;justify-content:space-between;font-size:12.5px;color:var(--text-3);font-family:var(--mono);padding-top:8px;border-top:1px dashed var(--line)}
.empty-state{min-height:240px;border:1px dashed var(--line);border-radius:var(--r-card);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:30px;color:var(--text-3)}
.empty-icon{font-size:34px;color:var(--text-3);line-height:1}
/* topic board */
.board{background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-card);padding:8px 0;box-shadow:var(--shadow)}
.board-row{display:flex;align-items:center;gap:16px;padding:15px 22px;border-bottom:1px solid var(--line);transition:background .2s ease}
.board-row:last-child{border-bottom:0}
.board-row:hover{background:var(--ink-600)}
.board-row .no{font-family:var(--mono);font-size:15px;font-weight:800;color:var(--warn);width:26px;flex:0 0 26px}
.board-row h3{font-size:15px;font-weight:600;line-height:1.5;flex:1;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.board-row:hover h3{color:var(--accent)}
.board-row .rep{font-family:var(--mono);font-size:12.5px;color:var(--text-3);white-space:nowrap}
.topic-card{background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;height:100%;transition:border-color .25s ease,transform .25s ease}
.topic-card:hover{border-color:rgba(255,61,110,.4);transform:translateY(-3px)}
.topic-card h3{font-size:16px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-card p{font-size:13.5px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-card .tc-meta{margin-top:auto;font-size:12.5px;color:var(--text-3);font-family:var(--mono);display:flex;gap:12px}
/* guard */
.guard-list{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.guard-item{border-left:2px solid var(--line-strong);padding-left:16px;transition:border-color .25s ease}
.guard-item:hover{border-color:var(--brand)}
.guard-item i{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:7px;background:rgba(255,61,110,.12);color:var(--brand);font-size:13px;font-style:normal;font-weight:800;margin-bottom:10px}
.guard-item h3{font-size:15.5px;font-weight:700;margin-bottom:6px}
.guard-item p{font-size:13.5px;color:var(--text-2);line-height:1.75}
/* quick answer */
.qa-card{background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;height:100%;box-shadow:var(--shadow);transition:border-color .25s ease,transform .25s ease}
.qa-card:hover{border-color:rgba(34,224,184,.4);transform:translateY(-3px)}
.qa-card .qa-ico{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:rgba(34,224,184,.12);color:var(--accent);font-weight:800;font-family:var(--mono);font-size:14px;margin-bottom:14px}
.qa-card h3{font-size:15.5px;font-weight:700;margin-bottom:8px}
.qa-card p{font-size:13.5px;color:var(--text-2);line-height:1.75}
/* accordion */
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:var(--line);--bs-accordion-color:var(--text);--bs-accordion-btn-color:var(--text);--bs-accordion-active-bg:transparent;--bs-accordion-active-color:var(--brand);--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-btn-icon-width:1.1rem}
.accordion-item{background:var(--ink-700)!important;border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:12px;overflow:hidden}
.accordion-button{background:transparent!important;color:var(--text)!important;font-weight:700;font-size:15.5px;padding:18px 20px;box-shadow:none!important}
.accordion-button:hover{color:var(--accent)!important}
.accordion-button:not(.collapsed){color:var(--brand)!important;border-left:3px solid var(--brand)}
.accordion-button::after{filter:invert(1) sepia(1) saturate(3) hue-rotate(300deg)}
.accordion-body{font-size:14.5px;color:var(--text-2);line-height:1.9;padding:0 20px 20px;border-left:3px solid transparent}
.accordion-button:not(.collapsed)+.accordion-collapse .accordion-body{border-left-color:var(--brand)}
/* form */
.form-card{background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow)}
.form-label{font-size:13px;color:var(--text-2);margin-bottom:6px;display:block}
.form-control,.form-select{width:100%;height:44px;background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-btn);color:var(--text);font-size:14.5px;padding:0 14px;transition:border-color .2s ease,box-shadow .2s ease}
textarea.form-control{height:auto;padding:12px 14px;line-height:1.7;resize:vertical}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus,.form-select:focus{background:var(--ink-800);border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,224,184,.15);color:var(--text);outline:none}
.form-select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.form-check-input{background-color:var(--ink-800);border:1px solid var(--line-strong);width:18px;height:18px;margin-top:2px}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand)}
.form-check-label{font-size:13.5px;color:var(--text-2)}
.check-list li{position:relative;padding-left:22px;font-size:14px;color:var(--text-2);line-height:1.9}
.check-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--accent);opacity:.85}
/* city chips */
.city-wall{display:flex;flex-wrap:wrap;gap:12px}
.city-chip{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:999px;border:1px solid var(--line-strong);background:rgba(255,255,255,.02);font-size:13.5px;color:var(--text-2);transition:all .2s ease}
.city-chip:hover{background:var(--accent);border-color:var(--accent);color:#06110E;transform:translateY(-1px)}
.city-chip b{font-family:var(--mono);font-size:11.5px;opacity:.8}
/* review */
.review-card{background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;height:100%;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;transition:border-color .25s ease,transform .25s ease}
.review-card:hover{border-color:rgba(255,61,110,.4);transform:translateY(-3px)}
.rv-top{display:flex;align-items:center;gap:12px}
.avatar{width:46px;height:46px;border-radius:50%;background:var(--ink-600);border:1px solid var(--line-strong);display:grid;place-items:center;font-weight:800;color:var(--accent);font-size:15px;flex:0 0 46px}
.rv-top b{display:block;font-size:14.5px}
.rv-top span{font-size:12.5px;color:var(--text-3)}
.stars{color:var(--warn);font-size:13px;letter-spacing:2px;font-family:var(--mono)}
.review-card p{font-size:14px;color:var(--text-2);line-height:1.85}
/* cta bar */
.cta-band{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.qr-box{width:120px;height:120px;border-radius:12px;border:1px solid var(--line-strong);background:
  repeating-linear-gradient(90deg,rgba(255,255,255,.13) 0 6px,transparent 6px 12px),
  repeating-linear-gradient(0deg,rgba(255,255,255,.09) 0 6px,transparent 6px 12px),var(--ink-700);
  display:grid;place-items:center;flex:0 0 120px}
.qr-box span{font-size:11.5px;color:var(--text-3);background:var(--ink-800);padding:3px 8px;border-radius:6px;border:1px solid var(--line)}
.cta-copy{flex:1;min-width:240px}
.cta-copy h2{font-size:clamp(20px,2vw,26px);font-weight:800;margin-bottom:8px}
.cta-copy p{font-size:14px;color:var(--text-2)}
/* footer */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:56px 0 24px;margin-top:0}
.f-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid var(--line)}
.f-brand p{font-size:13.5px;color:var(--text-2);margin-top:14px;max-width:260px;line-height:1.8}
.f-social{display:flex;gap:10px;margin-top:16px}
.f-social span{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);display:grid;place-items:center;font-size:12px;color:var(--text-3);transition:all .2s ease;cursor:pointer}
.f-social span:hover{border-color:var(--accent);color:var(--accent)}
.f-col h4{font-size:14px;font-weight:700;margin-bottom:14px;color:var(--text)}
.f-col a{display:block;font-size:13.5px;color:var(--text-2);padding:5px 0}
.f-col a:hover{color:var(--accent)}
.f-tags{display:flex;flex-wrap:wrap;gap:10px 18px;padding:20px 0;border-bottom:1px solid var(--line)}
.f-tags a,.f-tags span{font-size:13px;color:var(--text-3)}
.f-tags a:hover{color:var(--accent)}
.f-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:20px;font-size:12.5px;color:var(--text-3)}
@media (max-width:1199px){
  .container{max-width:1140px}
}
@media (max-width:991px){
  .container{max-width:960px}
  .nav-list{display:none}
  .burger{display:flex}
  .compare{grid-template-columns:1fr;gap:20px}
  .cmp-line{display:none}
  .guard-list{grid-template-columns:repeat(2,1fr);gap:20px}
  .f-top{grid-template-columns:1fr 1fr;gap:28px}
  .sec{padding:60px 0}
  .hero{padding:48px 0 60px}
  .timeline{flex-direction:column;overflow:visible}
  .tl-node{flex:none;min-width:0;border-top:0;border-left:1px solid var(--line-strong);padding:0 0 22px 22px}
  .tl-node::before{top:4px;left:-6px}
}
@media (max-width:767px){
  .container{max-width:100%;padding:0 18px}
  .sec{padding:48px 0}
  .hero-stats{gap:24px}
  .hero-actions .btn-neon,.hero-actions .btn-ghost{flex:1 1 100%}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .guard-list{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner .btn-neon{width:100%}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .sec{padding:42px 0}
  .sec-dots{background-image:none}
  body{font-size:15px}
  .hero h1{font-size:26px}
  .hero-feature figcaption{font-size:12.5px;padding:12px 14px}
  .hero-float{margin-left:0;margin-right:0}
  .f-top{grid-template-columns:1fr}
  .qr-box{width:96px;height:96px;flex:0 0 96px}
  .btn-neon,.btn-ghost{width:100%}
  .brand{font-size:15px}
  .brand-mark{width:28px;height:28px;font-size:12px}
}

/* roulang page: category1 */
:root{
  --ink-900:#0B0910;--ink-800:#12101A;--ink-700:#1A1723;--ink-600:#232030;
  --brand:#FF3D6E;--brand-soft:rgba(255,61,110,.14);
  --accent:#22E0B8;--warn:#FFC24B;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --text:#F3F0F7;--text-2:#A79FB6;--text-3:#6E6880;
  --r-card:14px;--r-btn:10px;--shadow:0 10px 28px rgba(0,0,0,.45);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --bs-body-bg:#0B0910;--bs-body-color:#F3F0F7;--bs-primary:#FF3D6E;
  --bs-border-color:rgba(255,255,255,.08);--bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-link-color:#22E0B8;--bs-link-hover-color:#FF5A83;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;padding:0;font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;background:var(--ink-900);color:var(--text);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease}
a:hover{color:var(--accent)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
.container{width:100%;max-width:1200px!important;margin:0 auto;padding:0 20px}
a:focus-visible,button:focus-visible,select:focus-visible,.chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
/* header */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(11,9,16,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:16.5px;color:var(--text);letter-spacing:-.01em}
.brand:hover{color:var(--text)}
.brand-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#8E2A55);display:grid;place-items:center;font-size:14px;font-weight:900;color:#14060B;box-shadow:0 0 18px rgba(255,61,110,.35);transition:box-shadow .25s ease,transform .25s ease;flex:none}
.brand:hover .brand-mark{box-shadow:0 0 26px rgba(255,61,110,.65);transform:rotate(-6deg)}
.nav-list{display:flex;align-items:center;gap:26px}
.nav-list a{font-size:14.5px;color:var(--text-2);position:relative;padding:6px 0;display:inline-block}
.nav-list a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);transition:width .22s ease}
.nav-list a:hover{color:var(--accent)}
.nav-list a:hover::after{width:100%}
.nav-list a.active{color:var(--brand)}
.nav-list a.active::after{width:100%;background:var(--brand);box-shadow:0 0 10px rgba(255,61,110,.7)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line-strong);background:transparent;color:var(--text);font-size:18px;line-height:1;align-items:center;justify-content:center}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}
.offcanvas{background:var(--ink-800)!important;color:var(--text)!important;border-left:1px solid var(--line)!important}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas .m-list a{display:flex;align-items:center;height:48px;padding:0 6px;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--text-2)}
.offcanvas .m-list a:hover{color:var(--accent)}
.offcanvas .m-list a.active{color:var(--brand)}
.btn-close{filter:invert(1) grayscale(1)}
/* buttons */
.btn-neon{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);background:var(--brand);color:#14060B;font-weight:800;font-size:15px;border:1px solid transparent;box-shadow:0 0 0 1px rgba(255,61,110,.35),0 0 22px rgba(255,61,110,.25);transition:background .22s ease,transform .22s ease,box-shadow .22s ease}
.btn-neon:hover{background:#FF5A83;color:#14060B;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,61,110,.5),0 0 30px rgba(255,61,110,.4)}
.btn-neon:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(255,61,110,.4)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid var(--line-strong);background:transparent;color:var(--text);font-weight:700;font-size:15px;transition:border-color .22s ease,color .22s ease,transform .22s ease,background .22s ease}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0);background:rgba(34,224,184,.07)}
.btn-sm{height:40px;font-size:14px;padding:0 18px}
/* page head */
.page-head{position:relative;padding:32px 0 30px;border-bottom:1px solid var(--line);overflow:hidden;background:var(--ink-900)}
.page-head-bg{position:absolute;inset:0;background:url('/assets/images/3307961dd175ee68.webp') center/cover no-repeat;opacity:.14}
.page-head-bg::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 84% 18%,rgba(255,61,110,.24),transparent 48%),linear-gradient(180deg,rgba(11,9,16,.55),var(--ink-900) 92%)}
.page-head .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3);margin-bottom:14px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--accent)}
.crumb span.sep{color:var(--text-3)}
.head-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:34px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.06em;color:var(--accent);background:rgba(34,224,184,.1);border:1px solid rgba(34,224,184,.28);border-radius:999px;padding:5px 13px;margin-bottom:14px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.page-head h1{font-size:clamp(26px,3vw,38px);line-height:1.25;font-weight:900;max-width:18em}
.head-lead{color:var(--text-2);font-size:15px;line-height:1.8;margin-top:12px;max-width:36em}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stat-mini{background:rgba(26,23,35,.86);border:1px solid var(--line);border-radius:12px;padding:14px 10px;text-align:center;box-shadow:var(--shadow)}
.stat-mini b{display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:21px;font-weight:800;color:var(--accent);line-height:1.25}
.stat-mini span{font-size:12px;color:var(--text-3)}
/* sections */
.sec{padding:64px 0;border-bottom:1px solid var(--line);position:relative}
.sec-alt{background:var(--ink-800)}
.sec-label{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--text-3);margin-bottom:10px}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.sec-head h2{font-size:clamp(21px,2.2vw,30px);line-height:1.3;font-weight:800;position:relative;padding-left:14px}
.sec-head h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:2px;background:var(--brand);box-shadow:0 0 12px rgba(255,61,110,.6)}
.sec-desc{color:var(--text-2);font-size:14px;margin-top:8px;padding-left:14px;max-width:40em}
/* filter */
.filter-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:18px 0 2px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:13.5px;color:var(--text-2);background:var(--ink-700);cursor:pointer;transition:border-color .2s,color .2s,background .2s}
.chip:hover{border-color:var(--line-strong);color:var(--accent)}
.chip.active{border-color:rgba(255,61,110,.7);color:var(--brand);background:var(--brand-soft);box-shadow:0 0 0 1px rgba(255,61,110,.25)}
.sort-sel{background:var(--ink-700);border:1px solid var(--line);color:var(--text-2);border-radius:10px;height:40px;padding:0 12px;font-size:13.5px;transition:border-color .2s,color .2s}
.sort-sel:hover{border-color:var(--line-strong);color:var(--text)}
/* post grid */
.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.post-card{background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);transition:border-color .25s ease,transform .25s ease}
.post-card:hover{border-color:rgba(255,61,110,.4);transform:translateY(-2px)}
.pc-thumb{display:block;position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-600);border-bottom:1px solid var(--line)}
.pc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .pc-thumb img{transform:scale(1.04)}
.pc-body{padding:18px 20px 18px}
.pc-badge{display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand);border:1px solid rgba(255,61,110,.24);line-height:1.6}
.pc-badge.alt{background:rgba(34,224,184,.1);color:var(--accent);border-color:rgba(34,224,184,.28)}
.pc-title{font-size:17px;font-weight:700;line-height:1.45;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pc-title a:hover{color:var(--accent)}
.pc-excerpt{font-size:13.5px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
.pc-meta{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--text-3);font-family:var(--mono);border-top:1px solid var(--line);padding-top:12px}
.list-foot{display:flex;justify-content:center;margin-top:32px}
.empty-state{grid-column:1/-1;min-height:240px;border:1px dashed var(--line-strong);border-radius:var(--r-card);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--text-3);background:var(--ink-800);text-align:center;padding:30px}
.empty-state .es-icon{width:48px;height:48px;border-radius:50%;border:1px solid var(--line-strong);display:grid;place-items:center;font-size:20px;color:var(--text-3)}
.empty-state p{font-size:14px;color:var(--text-2)}
/* rank list */
.rank-list{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--ink-800)}
.rank-row{display:grid;grid-template-columns:52px minmax(0,1fr) 120px;gap:16px;align-items:center;padding:15px 20px;border-bottom:1px solid var(--line);transition:background .2s ease}
.rank-row:last-child{border-bottom:0}
.rank-row:hover{background:var(--ink-600)}
.rank-no{font-family:var(--mono);font-size:16px;font-weight:800;color:var(--warn);font-variant-numeric:tabular-nums}
.rank-title{font-size:15px;color:var(--text);line-height:1.6;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-row:hover .rank-title{color:var(--accent)}
.rank-meta{font-size:12.5px;color:var(--text-3);text-align:right;font-family:var(--mono)}
/* glossary */
.glossary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.g-col{border-left:2px solid var(--line-strong);padding-left:18px}
.g-col:hover{border-left-color:var(--brand)}
.g-col h3{font-size:16.5px;font-weight:800;margin-bottom:10px}
.g-col p{font-size:14px;color:var(--text-2);line-height:1.85}
.g-col .g-tag{display:inline-block;margin-top:12px;font-size:12px;color:var(--accent);border:1px solid rgba(34,224,184,.28);background:rgba(34,224,184,.08);border-radius:999px;padding:3px 10px}
/* mini faq */
.qa-list{display:grid;gap:16px;max-width:920px}
.qa{background:var(--ink-700);border:1px solid var(--line);border-radius:12px;padding:18px 22px;transition:border-color .22s ease}
.qa:hover{border-color:var(--line-strong)}
.qa strong{display:block;color:var(--text);font-size:15.5px;font-weight:800;margin-bottom:8px}
.qa p{color:var(--text-2);font-size:14px;line-height:1.85}
/* closing */
.closing{background:var(--ink-800);border-top:1px solid var(--line);padding:36px 0}
.closing-in{display:flex;justify-content:space-between;align-items:center;gap:22px;flex-wrap:wrap}
.closing-in h2{font-size:clamp(19px,2vw,24px);font-weight:800}
.closing-in p{color:var(--text-2);font-size:14px;margin-top:6px}
.closing-actions{display:flex;gap:12px;flex-wrap:wrap}
/* footer */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:56px 0 24px}
.f-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.f-brand .brand{font-size:16px}
.f-brand p{color:var(--text-2);font-size:13.5px;margin-top:12px;max-width:22em;line-height:1.75}
.f-social{display:flex;gap:8px;margin-top:16px}
.f-social span{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);display:grid;place-items:center;font-size:12px;color:var(--text-3);transition:border-color .2s,color .2s}
.f-social span:hover{border-color:var(--accent);color:var(--accent)}
.f-col h4{font-size:14px;color:var(--text);margin-bottom:14px;font-weight:800}
.f-col a{display:block;font-size:13.5px;color:var(--text-2);padding:5px 0}
.f-col a:hover{color:var(--accent)}
.f-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
.f-tags a,.f-tags span{padding:4px 12px;border:1px solid var(--line);border-radius:999px;transition:border-color .2s,color .2s}
.f-tags a:hover{border-color:var(--accent);color:var(--accent)}
.f-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3)}
/* responsive */
@media (max-width:1199px){
  .head-grid{grid-template-columns:1.4fr 1fr;gap:26px}
  .nav-list{gap:18px}
}
@media (max-width:991px){
  .nav-list{display:none}
  .nav-toggle{display:inline-flex}
  .nav-right .btn-neon{display:none}
  .head-grid{grid-template-columns:1fr;gap:22px}
  .stat-row{max-width:520px}
  .glossary{grid-template-columns:1fr;gap:20px}
  .post-grid{grid-template-columns:1fr}
  .f-top{grid-template-columns:1fr 1fr;gap:28px}
  .sec{padding:48px 0}
}
@media (max-width:767px){
  .page-head{padding:24px 0 26px}
  .rank-row{grid-template-columns:44px minmax(0,1fr);gap:12px;padding:14px 16px}
  .rank-meta{grid-column:2;text-align:left}
  .closing-actions{width:100%}
  .closing-actions .btn-neon,.closing-actions .btn-ghost{flex:1 1 auto}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .sec{padding:42px 0}
  .stat-row{grid-template-columns:1fr;gap:8px}
  .stat-mini{display:flex;align-items:center;justify-content:space-between;text-align:left;padding:12px 16px}
  .stat-mini b{font-size:19px}
  .f-top{grid-template-columns:1fr}
  .f-bottom{flex-direction:column;gap:6px}
  .btn-neon,.btn-ghost{width:100%}
  .chips{width:100%}
  .sort-sel{width:100%}
}

/* roulang page: article */
:root{
  --ink-900:#0B0910;--ink-800:#12101A;--ink-700:#1A1723;--ink-600:#232030;
  --brand:#FF3D6E;--brand-soft:rgba(255,61,110,.14);
  --accent:#22E0B8;--warn:#FFC24B;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --text:#F3F0F7;--text-2:#A79FB6;--text-3:#6E6880;
  --r-card:14px;--r-btn:10px;--shadow:0 10px 28px rgba(0,0,0,.45);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --bs-body-bg:#0B0910;--bs-body-color:#F3F0F7;--bs-primary:#FF3D6E;
  --bs-border-color:rgba(255,255,255,.08);--bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-link-color:#22E0B8;--bs-link-hover-color:#FF5A83;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;background:var(--ink-900);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;background:var(--ink-700)}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease}
a:hover{color:var(--accent)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
/* header */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(11,9,16,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:background .2s ease,box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(0,0,0,.45)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px;transition:height .2s ease}
.site-header.is-scrolled .nav-wrap{height:60px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:16.5px;color:var(--text);letter-spacing:-.01em;white-space:nowrap}
.brand:hover{color:var(--text)}
.brand-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#8E2A55);display:grid;place-items:center;font-size:14px;font-weight:900;color:#14060B;box-shadow:0 0 18px rgba(255,61,110,.35);transition:box-shadow .25s ease,transform .25s ease;flex:0 0 auto}
.brand:hover .brand-mark{box-shadow:0 0 26px rgba(255,61,110,.65);transform:rotate(-6deg)}
.nav-list{display:flex;align-items:center;gap:24px}
.nav-list a{font-size:14.5px;color:var(--text-2);position:relative;padding:6px 0;display:inline-block;white-space:nowrap}
.nav-list a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);transition:width .22s ease}
.nav-list a:hover{color:var(--accent)}
.nav-list a:hover::after{width:100%}
.nav-list a.active{color:var(--brand)}
.nav-list a.active::after{width:100%;background:var(--brand);box-shadow:0 0 10px rgba(255,61,110,.7)}
.nav-right{display:flex;align-items:center;gap:12px}
.burger{width:42px;height:42px;border:1px solid var(--line-strong);border-radius:10px;background:transparent;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;transition:border-color .2s ease}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:background .2s ease}
.burger:hover{border-color:var(--accent)}
.burger:hover span{background:var(--accent)}
.offcanvas{background:var(--ink-800)!important;color:var(--text)!important;border-left:1px solid var(--line)!important}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas-title{font-size:16px;font-weight:800;color:var(--text)}
.offcanvas .m-list a{display:flex;align-items:center;height:48px;padding:0 6px;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--text-2)}
.offcanvas .m-list a:hover{color:var(--accent)}
.btn-close{filter:invert(1) grayscale(1)}
/* buttons */
.btn-neon{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);background:var(--brand);color:#14060B;font-weight:800;font-size:15px;border:1px solid transparent;box-shadow:0 0 0 1px rgba(255,61,110,.35),0 0 22px rgba(255,61,110,.25);transition:background .22s ease,transform .22s ease,box-shadow .22s ease;cursor:pointer;text-align:center}
.btn-neon:hover{background:#FF5A83;color:#14060B;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,61,110,.5),0 0 30px rgba(255,61,110,.4)}
.btn-neon:active{transform:translateY(0)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid var(--line-strong);background:transparent;color:var(--text);font-weight:700;font-size:15px;transition:border-color .22s ease,color .22s ease,transform .22s ease;cursor:pointer;text-align:center}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;font-size:14px;padding:0 18px}
/* sections */
.section{position:relative;padding:72px 0;border-top:1px solid var(--line)}
.section-alt{background:var(--ink-800)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-num{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--text-3);margin-bottom:8px}
.section-title{font-size:clamp(22px,2.2vw,32px);line-height:1.3;font-weight:800;display:flex;align-items:center;gap:12px;letter-spacing:-.01em}
.section-title::before{content:"";width:3px;height:18px;background:var(--brand);border-radius:2px;box-shadow:0 0 10px rgba(255,61,110,.6);flex:0 0 auto}
.link-more{font-size:14px;color:var(--text-2);border-bottom:1px solid var(--line-strong);padding-bottom:4px;white-space:nowrap}
.link-more:hover{color:var(--accent);border-color:var(--accent)}
/* breadcrumb */
.breadcrumb-bar{border-bottom:1px solid var(--line);background:rgba(18,16,26,.55)}
.crumb{display:flex;align-items:center;gap:10px;min-height:44px;font-size:13px;color:var(--text-3);overflow:hidden}
.crumb a{color:var(--text-2);white-space:nowrap}
.crumb a:hover{color:var(--accent)}
.crumb span{white-space:nowrap}
.crumb .current{color:var(--text-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:62ch}
/* article head */
.article-head{position:relative;padding:48px 0 42px;background:radial-gradient(circle at 88% 8%,rgba(255,61,110,.12),transparent 42%),var(--ink-900);overflow:hidden}
.article-head::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);background-size:24px 24px;opacity:.05;pointer-events:none}
.article-head .container{position:relative;z-index:2}
.head-inner{max-width:900px}
.badge-tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.02em;border:1px solid rgba(255,61,110,.28);white-space:nowrap}
.badge-tag.accent{background:rgba(34,224,184,.1);color:var(--accent);border-color:rgba(34,224,184,.28)}
.article-title{font-size:clamp(28px,3.2vw,44px);line-height:1.2;font-weight:900;letter-spacing:-.01em;margin-top:18px;color:var(--text);max-width:20em}
.article-desc{color:var(--text-2);font-size:16px;line-height:1.85;margin-top:18px;max-width:860px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:24px;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:13px;color:var(--text-3)}
.article-meta b{color:var(--text-2);font-weight:600}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block}
.article-cover{margin:30px 0 0;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow);position:relative}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-cover figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;background:linear-gradient(180deg,transparent,rgba(11,9,16,.92));font-size:13px;color:var(--text-2)}
/* article layout */
.article-main{padding:56px 0 72px;border-top:1px solid var(--line)}
.article-body{max-width:760px;font-size:16px;line-height:1.85;color:var(--text-2)}
.article-body p{margin:0 0 1.2em}
.article-body h2{font-size:clamp(22px,2vw,28px);line-height:1.35;color:var(--text);font-weight:800;margin:1.9em 0 .75em;padding-left:14px;border-left:3px solid var(--brand);box-shadow:inset 2px 0 0 rgba(255,61,110,.15)}
.article-body h3{font-size:18px;line-height:1.4;color:var(--text);font-weight:700;margin:1.6em 0 .6em}
.article-body h4{font-size:16px;color:var(--text);margin:1.4em 0 .5em}
.article-body a{color:var(--accent);text-decoration:underline;text-decoration-style:dashed;text-underline-offset:4px}
.article-body a:hover{color:#FF5A83}
.article-body strong{color:var(--text);font-weight:700}
.article-body blockquote{margin:1.6em 0;padding:16px 20px;border-left:3px solid var(--accent);background:rgba(34,224,184,.06);color:var(--text-2);font-style:italic;border-radius:0 10px 10px 0}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.55em;line-height:1.9}
.article-body img{border-radius:12px;border:1px solid var(--line);margin:1.4em 0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--ink-700);color:var(--text)}
.empty-state{min-height:240px;border:1px dashed var(--line-strong);border-radius:var(--r-card);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:36px 24px;background:rgba(26,23,35,.5)}
.empty-icon{width:52px;height:52px;border-radius:50%;border:1px solid var(--line-strong);display:grid;place-items:center;font-family:var(--mono);font-size:20px;color:var(--text-3)}
.empty-state h2{font-size:20px;color:var(--text)}
.empty-state p{font-size:14px;color:var(--text-3);max-width:420px}
/* sidebar */
.sidebar{position:sticky;top:88px}
.side-card{background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow);margin-bottom:20px}
.side-title{font-size:15px;font-weight:800;color:var(--text);display:flex;align-items:center;gap:9px;margin-bottom:16px}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand);box-shadow:0 0 8px rgba(255,61,110,.55)}
.key-list li{display:flex;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);font-size:13.5px;line-height:1.7;color:var(--text-2)}
.key-list li:last-child{border-bottom:0;padding-bottom:0}
.key-num{font-family:var(--mono);font-size:12px;color:var(--warn);font-weight:800;flex:0 0 auto;padding-top:2px}
.hot-list a{display:flex;gap:11px;padding:11px 0;border-bottom:1px solid var(--line);align-items:flex-start;transition:background .2s ease,padding-left .2s ease}
.hot-list a:last-child{border-bottom:0;padding-bottom:0}
.hot-list a:hover{background:rgba(255,255,255,.035);padding-left:6px}
.hot-list a:hover .hot-title{color:var(--accent)}
.hot-list .num{font-family:var(--mono);font-size:12px;color:var(--warn);font-weight:800;flex:0 0 auto;padding-top:2px}
.hot-title{font-size:13.5px;line-height:1.65;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;font-size:12px;color:var(--text-2);background:rgba(255,255,255,.045);border:1px solid var(--line);transition:border-color .2s ease,color .2s ease,background .2s ease}
.tag:hover{border-color:var(--accent);color:var(--accent);background:rgba(34,224,184,.08)}
.side-cta{background:linear-gradient(135deg,rgba(255,61,110,.16),rgba(34,224,184,.06));border:1px solid rgba(255,61,110,.3);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow)}
.side-cta p{font-size:13.5px;line-height:1.75;color:var(--text-2);margin-bottom:16px}
/* article cards */
.article-card{display:flex;flex-direction:column;height:100%;background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease}
.article-card:hover{border-color:rgba(255,61,110,.4);transform:translateY(-3px);box-shadow:0 16px 36px rgba(0,0,0,.5)}
.article-card .thumb{overflow:hidden;background:var(--ink-600)}
.article-card .thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .25s ease}
.article-card:hover .thumb img{transform:scale(1.04)}
.card-body-custom{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.article-card h3{font-size:16px;line-height:1.5;color:var(--text);font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.article-card:hover h3{color:var(--accent)}
.article-card p{font-size:13px;line-height:1.7;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:12px;color:var(--text-3);margin-top:auto;padding-top:6px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
/* post nav */
.post-nav-section{padding:48px 0 56px}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.post-link{display:flex;flex-direction:column;gap:8px;background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-card);padding:20px 22px;min-height:104px;justify-content:center;transition:border-color .22s ease,background .22s ease}
.post-link:hover{border-color:rgba(255,61,110,.4);background:var(--ink-600)}
.post-link .dir{font-size:12px;color:var(--text-3);font-family:var(--mono);letter-spacing:.08em}
.post-link strong{font-size:15px;line-height:1.6;color:var(--text);font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-link:hover strong{color:var(--accent)}
.post-link.next{align-items:flex-end;text-align:right}
.back-row{margin-top:26px;display:flex;justify-content:center}
/* cta bar */
.cta-bar{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:26px}
.cta-inner h2{font-size:clamp(20px,2vw,28px);line-height:1.35;color:var(--text);margin-bottom:8px}
.cta-inner p{font-size:14px;color:var(--text-2);line-height:1.75;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
/* footer */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:56px 0 24px}
.f-top{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px}
.f-brand .brand{font-size:16px}
.f-brand p{color:var(--text-2);font-size:14px;line-height:1.75;margin-top:14px;max-width:300px}
.f-social{display:flex;gap:8px;margin-top:16px}
.f-social span{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);display:grid;place-items:center;font-size:12px;color:var(--text-3);transition:border-color .2s ease,color .2s ease}
.f-social span:hover{border-color:var(--accent);color:var(--accent)}
.f-col h4{font-size:14px;color:var(--text);margin-bottom:14px;font-weight:800}
.f-col a{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:10px;line-height:1.6}
.f-col a:hover{color:var(--accent)}
.f-tags{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
.f-tags a{color:var(--text-3)}
.f-tags a:hover{color:var(--accent)}
.f-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3)}
/* responsive */
@media (max-width:1199px){
  .nav-list{gap:18px}
  .nav-list a{font-size:14px}
}
@media (max-width:991px){
  .nav-list{display:none}
  .sidebar{position:static;margin-top:8px}
  .f-top{grid-template-columns:1fr 1fr;gap:28px}
  .article-body{max-width:none}
  .section{padding:56px 0}
}
@media (max-width:767px){
  .site-header .nav-wrap{height:62px}
  .nav-wrap{gap:12px}
  .brand{font-size:15px}
  .brand-mark{width:30px;height:30px;border-radius:8px}
  .article-head{padding:38px 0 34px}
  .article-meta{gap:8px 16px;font-size:12.5px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .post-nav{grid-template-columns:1fr}
  .post-link.next{align-items:flex-start;text-align:left}
  .f-top{grid-template-columns:1fr;gap:26px}
  .f-bottom{flex-direction:column}
  .crumb .current{max-width:26ch}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .article-main{padding:40px 0 48px}
  .article-title{font-size:clamp(24px,7vw,32px)}
  .article-desc{font-size:14.5px}
  .btn-neon,.btn-ghost{width:100%}
  .cta-actions{flex-direction:column}
  .cta-actions .btn-neon,.cta-actions .btn-ghost{width:100%}
  .f-social{display:none}
  .article-cover figcaption{font-size:12px;padding:12px 14px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
}