/* roulang page: index */
:root{
  --bg-base:#F7F5FA;
  --bg-soft:#EFEBF4;
  --bg-deep:#151522;
  --bg-deep-2:#1D1B2B;
  --bg-deep-3:#28253C;
  --bg-card:#FFFFFF;
  --primary:#F5C518;
  --primary-hover:#DDB20B;
  --primary-ink:#332E00;
  --secondary:#2AF5B5;
  --alert:#FF675B;
  --text-title:#1E1B29;
  --text-body:#4B5166;
  --text-muted:#7C8299;
  --text-invert:#F5F2FC;
  --text-invert-muted:#C5C7D6;
  --border-light:rgba(30,27,41,0.08);
  --border-dark:rgba(255,255,255,0.10);
  --border-deep:rgba(245,197,24,0.28);
  --shadow-card:0 10px 30px rgba(30,27,41,0.06);
  --shadow-hover:0 22px 50px rgba(30,27,41,0.13);
  --radius-md:16px;
  --radius-lg:28px;
  --radius-pill:999px;
  --font-mono:ui-monospace,"SF Mono","Cascadia Code","Roboto Mono",Menlo,monospace;
  --transition:all .25s cubic-bezier(.2,0,0,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg-base);color:var(--text-body);font-family:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.9;text-rendering:optimizeLegibility}
body.menu-open{overflow:hidden}
::selection{background:var(--primary);color:#1a1a1a}
img{max-width:100%;height:auto}
a{color:#7A5AF8;text-decoration:none;transition:var(--transition)}
a:hover{color:#5C3BE0}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--secondary);outline-offset:2px}
button{font-family:inherit}
.grid-container{max-width:1200px}
.sec{width:100%}
.sec-inner{padding:96px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted)}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:99px;background:var(--primary)}
.section-title{margin:12px 0 14px;color:var(--text-title);font-size:34px;line-height:1.3;font-weight:800;letter-spacing:-.02em}
.section-title strong{font-weight:900}
.section-desc{max-width:820px;color:var(--text-body);font-size:16px;line-height:1.9}
.section-head{margin-bottom:48px}
.section-head.center{text-align:center}
.section-head.center .section-desc{margin-left:auto;margin-right:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 26px;border-radius:var(--radius-pill);font-size:15px;font-weight:700;line-height:1;border:1px solid transparent;cursor:pointer;transition:var(--transition);white-space:nowrap}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--primary);color:var(--primary-ink);box-shadow:0 8px 22px rgba(245,197,24,.22)}
.btn-primary:hover{background:var(--primary-hover);color:var(--primary-ink);box-shadow:0 12px 30px rgba(245,197,24,.28);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--text-title)}
.btn-light:hover{background:var(--primary);color:var(--primary-ink)}
.card{background:var(--bg-card);border-radius:var(--radius-md);box-shadow:var(--shadow-card);border:1px solid rgba(255,255,255,.7)}
.bg-deep{background:var(--bg-deep);color:var(--text-invert-muted)}
.bg-deep .section-title,.bg-deep h2,.bg-deep h3{color:#fff}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:#7A5AF8;font-size:15px}
.text-link i{font-size:12px}
.text-link:hover{color:#5C3BE0;gap:10px}
.chip{display:inline-flex;align-items:center;padding:5px 13px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-pill);font-size:13px;color:var(--text-invert-muted)}
.chip i{color:var(--secondary);font-size:11px;margin-right:4px}
a.chip:hover{color:var(--primary);border-color:rgba(245,197,24,.5)}
.tag{padding:4px 11px;border-radius:var(--radius-pill);background:#F0ECF7;border:1px solid rgba(30,27,41,.06);color:#6A6F85;font-size:12px;font-weight:600;line-height:1.5}

/* ============ Header ============ */
.site-header{position:sticky;top:0;z-index:1000}
.topbar{background:#EBE7F3;border-bottom:1px solid rgba(30,27,41,.06)}
.topbar-inner{max-width:1200px;margin:0 auto;padding:7px 22px;display:flex;align-items:center;justify-content:space-between;min-height:40px;font-size:13px;color:var(--text-muted)}
.topbar-note{display:inline-flex;gap:8px;align-items:center}
.topbar-note i{color:#7A5AF8}
.topbar-social{display:flex;align-items:center;gap:4px}
.topbar-social a{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;color:var(--text-muted)}
.topbar-social a:hover{background:#ddd3ec;color:var(--text-title)}
.mainbar{background:rgba(21,21,34,.96);backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.07)}
.nav-inner{max-width:1200px;margin:0 auto;height:80px;padding:0 22px;display:flex;align-items:center;gap:26px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:23px;font-weight:900;color:#fff;letter-spacing:-.01em}
.brand:hover{color:var(--primary)}
.brand-logo{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--primary) 0%,#FFDC59 60%,#F5C518 100%);display:inline-flex;align-items:center;justify-content:center;color:var(--primary-ink);font-size:14px;box-shadow:0 6px 16px rgba(245,197,24,.3)}
.nav-actions{display:flex;align-items:center;gap:18px;margin-left:auto}
.nav-list{list-style:none;margin:0;padding:0;display:flex;gap:4px}
.nav-list>li{position:relative}
.nav-list>li>a{display:inline-flex;align-items:center;gap:6px;height:80px;padding:0 15px;color:#E2DFEF;font-size:15px;font-weight:600;border-radius:0}
.nav-list>li>a:hover,.nav-list>li>a.active{color:var(--primary)}
.nav-list>li>a.active::after{content:"";position:absolute;left:15px;right:15px;bottom:0;height:3px;background:var(--primary);border-radius:99px 99px 0 0}
.nav-cta{height:42px;min-height:42px;padding:0 22px;background:var(--primary);color:var(--primary-ink);border-radius:var(--radius-pill);font-weight:800;font-size:14px;display:inline-flex;align-items:center;gap:7px}
.nav-cta:hover{background:var(--primary-hover);color:var(--primary-ink);transform:translateY(-2px)}
.nav-item{position:relative}
.mega-panel{position:absolute;top:74px;left:50%;transform:translateX(-50%) translateY(10px);min-width:560px;display:flex;background:var(--bg-card);box-shadow:var(--shadow-hover);border-top:3px solid var(--primary);border-radius:0 0 var(--radius-md) var(--radius-md);opacity:0;visibility:hidden;transition:var(--transition);z-index:999;padding:18px;gap:22px}
.nav-item:hover .mega-panel,.nav-item:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.mega-panel.mobile-mega{display:none}
.nav-mega-column{min-width:185px}
.nav-mega-column h4{font-size:12px;color:var(--text-muted);margin:0 0 12px;letter-spacing:.08em;font-weight:800;text-transform:uppercase}
.nav-mega-column a{display:block;padding:8px 10px;border-radius:10px;color:var(--text-body);font-size:14px;font-weight:600}
.nav-mega-column a:hover{background:#F3F0FA;color:#5C3BE0}
.mega-feature{width:255px;background:#151522;border-radius:14px;overflow:hidden;text-align:left;transition:var(--transition)}
.mega-feature img{width:100%;height:112px;object-fit:cover;display:block}
.mega-feature-body{padding:12px 14px}
.mega-feature-body span{font-size:12px;color:var(--secondary)}
.mega-feature-body p{margin:6px 0 0;font-size:14px;color:#fff;font-weight:700;line-height:1.5}
.nav-cta-mobile{display:none}
.burger{display:none;width:44px;height:44px;background:transparent;border:1px solid rgba(255,255,255,.25);border-radius:12px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.burger span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:var(--transition)}
body.menu-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{position:fixed;top:0;left:0;width:100%;height:100%;z-index:2000;background:rgba(21,21,34,.97);backdrop-filter:blur(14px);padding:110px 30px 40px;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
body.menu-open .mobile-nav{opacity:1;visibility:visible}
.mobile-nav a{display:block;padding:13px 6px;font-size:20px;color:#fff;font-weight:800;border-bottom:1px solid rgba(255,255,255,.08)}
.mobile-nav a:hover{color:var(--primary)}
.mobile-nav .mega-links-mobile a{font-size:15px;font-weight:600;color:var(--text-invert-muted);padding-left:20px}
.mobile-close{position:absolute;right:26px;top:26px;width:44px;height:44px;background:transparent;border:0;color:#fff;font-size:30px;cursor:pointer}

/* ============ Hero 首页 ============ */
.hero{background:var(--bg-deep);color:#E5E5F0;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 320px at 75% 10%,rgba(245,197,24,.22),transparent 68%),radial-gradient(900px 420px at 12% 100%,rgba(42,245,181,.09),transparent 60%),linear-gradient(180deg,rgba(21,21,34,.90) 0%,rgba(21,21,34,.72) 55%,rgba(21,21,34,.97) 100%),url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;z-index:0}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 0,rgba(245,197,24,.04) 50%,transparent 78%);pointer-events:none}
.hero-inner{position:relative;z-index:2;padding:92px 0 72px;max-width:1200px;margin:0 auto}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;padding:0 22px}
.hero-copy{max-width:620px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);padding:6px 14px;border-radius:var(--radius-pill);font-size:13px;color:#D8D6E6;margin-bottom:22px;backdrop-filter:blur(4px)}
.hero-eyebrow i{color:var(--primary)}
.hero h1{color:#fff;font-size:42px;line-height:1.28;font-weight:900;letter-spacing:-.02em;margin:0 0 18px}
.hero h1 span{color:var(--primary)}
.hero-lead{font-size:16px;line-height:1.9;color:#C5C7D6;max-width:560px;margin:0 0 28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero-note{display:flex;gap:18px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.63)}
.hero-note span{display:inline-flex;align-items:center;gap:6px}
.hero-note i{color:var(--secondary)}
.hero-data{border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:26px 24px 22px;background:rgba(255,255,255,.055);backdrop-filter:blur(14px);box-shadow:0 24px 54px rgba(0,0,0,.25)}
.hero-data-top{display:flex;align-items:center;gap:9px;padding-bottom:17px;margin-bottom:18px;border-bottom:1px dashed rgba(255,255,255,.14);font-size:13px;color:#D5D3E3}
.hero-data-top i{color:var(--primary)}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.metric-card{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:15px 16px 13px;transition:var(--transition)}
.metric-card:hover{border-color:rgba(245,197,24,.42);background:rgba(245,197,24,.06);transform:translateY(-3px)}
.metric-num{font-family:var(--font-mono);font-size:28px;line-height:1.1;font-weight:800;color:var(--primary)}
.metric-card:nth-child(2) .metric-num{color:var(--secondary)}
.metric-card:nth-child(4) .metric-num{color:var(--secondary)}
.metric-label{display:block;margin-top:5px;font-size:12px;color:rgba(255,255,255,.65);line-height:1.4}
.hero-hot-list{margin-top:18px;display:flex;flex-wrap:wrap;gap:7px;padding-top:15px;border-top:1px dashed rgba(255,255,255,.14)}
.hero-hot-title{width:100%;font-size:12px;color:rgba(255,255,255,.5);margin-bottom:3px}
@media(max-width:900px){
.hero-inner{padding-top:62px;padding-bottom:50px}
.hero-grid{grid-template-columns:1fr;gap:42px}
.hero h1{font-size:35px}
.sec-inner{padding:64px 0}
}

/* ============ 服务矩阵 ============ */
.section-service{background:var(--bg-base)}
.srv-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
.srv-main{position:relative;overflow:hidden;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-light);box-shadow:var(--shadow-card);transition:var(--transition)}
.srv-main::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary) 0%,#FFE36E 100%);transform:scaleX(0);transform-origin:left;transition:transform .4s ease}
.srv-main:hover::before{transform:scaleX(1)}
.srv-main:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.srv-preview{height:242px;position:relative;overflow:hidden;background:#151522}
.srv-preview img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s ease}
.srv-main:hover .srv-preview img{transform:scale(1.04)}
.srv-preview:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.04) 20%,rgba(21,21,34,.95) 100%)}
.srv-preview-tag{position:absolute;z-index:2;top:15px;left:15px;background:rgba(245,197,24,.94);color:var(--primary-ink);padding:4px 11px;border-radius:var(--radius-pill);font-size:12px;font-weight:800}
.srv-preview-play{position:absolute;z-index:2;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;background:rgba(0,0,0,.54);border:1px solid rgba(255,255,255,.4);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px}
.srv-preview-meta{position:absolute;z-index:2;bottom:16px;left:17px;color:#fff;font-family:var(--font-mono);font-size:12px;background:rgba(0,0,0,.42);padding:5px 11px;border-radius:99px;letter-spacing:.02em;display:inline-flex;gap:8px;align-items:center}
.srv-preview-meta b{color:var(--primary)}
.srv-main-body{padding:28px 30px 30px}
.srv-main-body h3{font-size:26px;color:var(--text-title);font-weight:800;margin:8px 0 11px}
.srv-main-body>p{font-size:15px;line-height:1.85;color:var(--text-body);margin:0 0 20px}
.srv-specs{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.srv-specs span{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text-muted);border-radius:10px;background:#F5F2FB;padding:7px 12px}
.srv-specs span i{color:var(--primary)}
.srv-stack{display:flex;flex-direction:column;gap:24px}
.srv-mini{position:relative;overflow:hidden;display:block;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-light);box-shadow:var(--shadow-card);transition:var(--transition);text-decoration:none;padding:26px 26px 24px}
.srv-mini:hover{box-shadow:var(--shadow-hover);border-color:rgba(122,90,248,.28);transform:translateX(5px)}
.srv-mini.dark{background:var(--bg-deep);color:#9FA1B7;border-color:transparent}
.srv-mini.dark:hover{border-color:rgba(245,197,24,.45);transform:translateX(5px)}
.mini-icon{width:40px;height:40px;border-radius:12px;background:#F3F0FA;color:#6C4CF0;display:inline-flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:14px}
.srv-mini.dark .mini-icon{background:rgba(245,197,24,.14);color:var(--primary)}
.mini-icon.green{background:#E4FFF6;color:#0D9E72}
.srv-mini h3{font-size:18px;color:var(--text-title);font-weight:800;margin:6px 0 9px}
.srv-mini.dark h3{color:#fff}
.srv-mini p{font-size:15px;line-height:1.8;margin:0}
.mini-demo{display:flex;gap:10px;margin-top:19px;align-items:center}
.mini-demo img{width:58px;height:44px;border-radius:8px;object-fit:cover}
.mini-demo span{font-size:12px;color:var(--text-muted);line-height:1.5}
.srv-mini.dark .mini-demo span{color:rgba(255,255,255,.65)}
@media(max-width:900px){.srv-grid{grid-template-columns:1fr}}
@media(max-width:520px){.srv-main-preview{height:190px}.srv-main-body h3{font-size:22px}.srv-main-body{padding:20px}}

/* ============ 结果对比 ============ */
.section-compare{background:var(--bg-soft)}
.compare-shell{border-radius:var(--radius-lg);border:1px solid rgba(30,27,41,.05);overflow:hidden;background:#fff;box-shadow:var(--shadow-card)}
.compare-head{display:flex;justify-content:flex-end;gap:48px;align-items:center;padding:18px 28px;border-bottom:1px solid var(--border-light);font-size:12px;color:var(--text-muted)}
.compare-head .before-title{color:var(--text-muted)}
.compare-head .after-title{display:inline-flex;align-items:center;gap:6px;color:#0B8E66;font-weight:700;font-size:13px}
.compare-head .after-title i{color:var(--secondary)}
.compare-content{padding:20px 28px 24px;display:flex;flex-direction:column;gap:16px}
.cmp-row{display:grid;grid-template-columns:240px 1fr;gap:20px;align-items:center;padding:16px 0;border-bottom:1px dashed var(--border-light)}
.cmp-row:last-child{border-bottom:0}
.cmp-label strong{display:block;font-size:15px;color:var(--text-title);font-weight:800}
.cmp-label span{font-size:12.5px;color:var(--text-muted)}
.cmp-bars{display:flex;flex-direction:column;gap:9px}
.cmp-barline{display:grid;grid-template-columns:120px 1fr auto;gap:12px;align-items:center;font-family:var(--font-mono);font-size:13px;color:var(--text-body)}
.cmp-barline>span:last-child{text-align:right}
.bar-before,.bar-after{display:block;border-radius:99px;height:10px;overflow:hidden}
.bar-before{background:linear-gradient(90deg,#D1CBDD,#E8E4F0)}
.bar-after{background:linear-gradient(90deg,#4DE7AC,var(--secondary));box-shadow:0 0 12px rgba(42,245,181,.18)}
.compare-foot{padding:12px 28px 18px;font-size:12px;color:var(--text-muted)}
@media(max-width:900px){.cmp-row{grid-template-columns:1fr;gap:12px}.compare-head{gap:24px}.compare-content{padding:14px 18px}}
@media(max-width:520px){.cmp-barline{grid-template-columns:80px 1fr}}


/* ============ FAQ ============ */
.faq-section{background:var(--bg-deep);color:var(--text-invert-muted)}
.faq-section .eyebrow{color:#9A9BAC}
.faq-section .section-title{color:#fff}
.faq-wrap{max-width:1000px;margin:30px auto 0;padding:0 16px}
.faq-item{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;transition:var(--transition)}
.faq-item.open,.faq-item:hover{border-color:rgba(245,197,24,.35)}
.faq-q{width:100%;display:flex;align-items:center;gap:14px;padding:20px 22px;background:transparent;border:0;cursor:pointer;text-align:left;color:#fff;font-size:16px;font-weight:700;line-height:1.5;transition:var(--transition)}
.faq-q .faq-num{color:var(--primary);font-family:var(--font-mono);font-size:13px;font-weight:700;opacity:.9}
.faq-q .faq-arrow{margin-left:auto;width:30px;height:30px;min-width:30px;border-radius:50%;background:rgba(255,255,255,.08);display:inline-flex;align-items:center;justify-content:center;font-size:13px;color:#fff;transition:var(--transition)}
.faq-item.open .faq-arrow{background:var(--primary);color:var(--primary-ink);transform:rotate(180deg)}
.faq-a{display:none;padding:0 22px 22px 56px;line-height:1.9;font-size:15px;color:#B8BACC}
.faq-item.open .faq-a{display:block}
.faq-a strong{color:#fff}
.faq-cta{max-width:1000px;margin:42px auto 0;padding:0 16px}
.faq-cta .faq-cta-inner{background:linear-gradient(120deg,rgba(245,197,24,.13) 0%,rgba(255,255,255,.07) 60%,rgba(42,245,181,.08) 100%),#1D1B2C;border:1px solid rgba(245,197,24,.32);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 34px}
.faq-cta p{margin:0;font-size:16px;color:#EAE7F6;font-weight:700}
.faq-cta p small{display:block;font-size:13px;font-weight:500;color:rgba(255,255,255,.64);margin-top:6px}
@media(max-width:640px){.faq-q{padding:18px 16px;font-size:15px}.faq-a{padding-left:20px;padding-right:16px}.faq-cta-inner{flex-direction:column;align-items:flex-start}}

/* ============ 转化表单 ============ */
.section-contact{background:linear-gradient(180deg,var(--bg-soft) 0%,#F3F0F8 100%)}
.contact-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;background:transparent}
.contact-copy h2{font-size:30px;line-height:1.3;color:var(--text-title);font-weight:800;margin:12px 0 14px}
.contact-copy .desc{color:var(--text-body);line-height:1.9;margin-bottom:16px}
.contact-promise{list-style:none;margin:8px 0 0;padding:0}
.contact-promise li{position:relative;padding-left:22px;margin:12px 0;color:var(--text-body);font-size:15px;line-height:1.7}
.contact-promise li::before{content:"\f00c";position:absolute;left:0;top:4px;font-family:"Font Awesome 6 Free";font-weight:900;color:#0C9A70;font-size:12px}
.form-card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:0 28px 60px rgba(30,27,41,.14);padding:34px;border:1px solid rgba(30,27,41,.05)}
.form-card h3{color:var(--text-title);font-size:21px;margin:0 0 6px;font-weight:800}
.form-card .form-sub{font-size:14px;color:var(--text-muted);margin-bottom:26px}
.form-group{margin-bottom:19px}
.form-group label{display:block;font-size:14px;font-weight:700;color:var(--text-title);margin-bottom:7px}
.form-control{width:100%;border:1.5px solid #DBD5E8;background:#FCFBFF;border-radius:13px;padding:10px 14px;font-size:15px;font-family:inherit;transition:var(--transition);min-height:46px}
.form-control:focus{border-color:#7A5AF8;outline:none;box-shadow:0 0 0 4px rgba(122,90,248,.13)}
textarea.form-control{min-height:122px;resize:vertical}
.select-wrap{position:relative}
.select-wrap select{appearance:none;}
.select-wrap:after{content:"\f107";position:absolute;right:15px;top:50%;transform:translateY(-50%);font-family:"Font Awesome 6 Free";font-weight:900;pointer-events:none;color:var(--text-muted);font-size:17px}
.check-field{display:flex;align-items:flex-start;gap:10px;margin-top:8px}
.check-field input{width:17px;height:17px;accent-color:var(--primary);margin-top:5px}
.check-field label{color:var(--text-muted);font-size:12.5px;line-height:1.7}
.form-cta{width:100%;min-height:52px;font-size:16px}
.form-hint{text-align:center;font-size:12px;color:#9B93AC;margin-top:13px}
@media(max-width:900px){.contact-layout{grid-template-columns:1fr;gap:32px}.form-card{padding:28px}}
@media(max-width:520px){.form-card{padding:22px}}

/* ============ Footer ============ */
.site-footer{background:#0E0E17;color:#9DA0B6;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 20% 0%,rgba(245,197,24,.06),transparent),radial-gradient(700px 260px at 85% 0%,rgba(42,245,181,.05),transparent);pointer-events:none}
.footer-inner{max-width:1200px;margin:0 auto;padding:62px 22px 30px;position:relative}
.footer-grid{display:grid;grid-template-columns:1.4fr .7fr .8fr;gap:50px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:22px;font-weight:900;color:#fff;margin-bottom:15px}
.footer-brand .brand-logo{width:32px;height:32px}
.footer-desc{font-size:14px;line-height:1.9;max-width:360px;margin-bottom:20px}
.footer-sub{font-size:13px;color:rgba(255,255,255,.45);line-height:1.8}
.footer-col-title{font-size:14px;color:#fff;font-weight:800;margin-bottom:16px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:11px}
.footer-links a{color:#9DA0B6;font-size:14px;display:inline-flex;align-items:center;gap:7px}
.footer-links a:hover{color:var(--primary);transform:translateX(3px)}
.footer-links i{font-size:10px;color:rgba(255,255,255,.35)}
.footer-bottom{padding-top:24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:17px;font-size:13px}
.footer-legal{display:flex;gap:20px}
.footer-legal a{color:#888aa3;font-size:12.5px}
.footer-legal a:hover{color:var(--primary)}
.footer-bottom .copy{color:rgba(255,255,255,.55)}
.footer-bottom .copy a{color:#C8CADA}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:34px}}
@media(max-width:720px){.footer-grid{grid-template-columns:1fr;gap:26px}.footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}}

/* ============ Category page ============ */
.cat-hero{background:var(--bg-deep);color:var(--text-invert);position:relative;overflow:hidden}
.cat-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 78% 10%,rgba(245,197,24,.15),transparent),linear-gradient(180deg,rgba(21,21,34,.9),rgba(21,21,34,.97)),url('/assets/images/backpic/back-3.jpg') center/cover}
.cat-hero .grid-container{position:relative;z-index:2;padding-top:66px;padding-bottom:64px}
.breadcrumb{display:flex;gap:10px;align-items:center;font-size:13px;color:rgba(255,255,255,.63);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb i{color:rgba(255,255,255,.36);font-size:10px}
.breadcrumb a{color:#A9ABC1}
.breadcrumb a:hover{color:var(--primary)}
.cat-hero h1{color:#fff;font-size:41px;line-height:1.3;font-weight:900;max-width:680px;letter-spacing:-.02em;margin:0 0 18px}
.cat-hero h1 em{font-style:normal;color:var(--primary)}
.cat-hero .lead{font-size:15.5px;max-width:730px;line-height:2;color:rgba(255,255,255,.68);margin-bottom:26px}
.cat-hero-stats{display:flex;flex-wrap:wrap;gap:18px;margin-top:28px}
.cat-stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:12px 17px;min-width:120px}
.cat-stat b{font-family:var(--font-mono);color:var(--primary);font-size:22px;display:block;line-height:1.2}
.cat-stat span{font-size:12px;color:rgba(255,255,255,.55)}
.cat-hero-chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
.cat-filter-bar{background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-card);display:flex;align-items:center;gap:11px;flex-wrap:wrap;padding:8px 20px;margin-top:-25px;position:relative;border:1px solid var(--border-light)}
.cat-filter-bar span{font-size:13px;color:var(--text-muted)}
.cat-filter-bar a{font-size:14px;font-weight:700;color:var(--text-title);background:#F5F2FA;padding:6px 15px;border-radius:99px;transition:var(--transition)}
.cat-filter-bar a:hover{background:var(--primary);color:var(--primary-ink)}
.cat-body{padding:68px 0 92px}
.feat-card{display:grid;grid-template-columns:1fr 1fr;background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);border:1px solid var(--border-light);transition:var(--transition)}
.feat-card:hover{box-shadow:var(--shadow-hover)}
.feat-card-img{position:relative;overflow:hidden;min-height:260px;background:#151522}
.feat-card-img img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.feat-card:hover .feat-card-img img{transform:scale(1.04)}
.feat-img-tag{position:absolute;z-index:2;top:14px;left:14px;background:var(--primary);color:var(--primary-ink);font-size:12px;font-weight:800;padding:5px 12px;border-radius:99px}
.feat-card-content{padding:28px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.feat-card-content h3{color:var(--text-title);font-size:24px;line-height:1.45;font-weight:800;margin:12px 0 10px}
.feat-card-content p{font-size:15px;color:var(--text-body);margin-bottom:20px}
.feat-meta{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:22px}
.two-mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}
.two-mini-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);transition:var(--transition);display:block}
.two-mini-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.two-mini-img{height:140px;background:#151522;position:relative;overflow:hidden}
.two-mini-img img{width:100%;height:100%;object-fit:cover}
.two-mini-card span.chip{position:absolute;top:10px;left:10px;z-index:2;background:rgba(0,0,0,.45);border-color:transparent;font-size:11px}
.two-mini-body{padding:15px 16px}
.two-mini-body h4{font-size:15.5px;color:var(--text-title);font-weight:800;margin:0 0 7px;line-height:1.5}
.two-mini-body p{font-size:13px;color:var(--text-muted);margin:0}
.resource-block-title{display:flex;align-items:center;gap:10px;margin:55px 0 18px;color:var(--text-title);font-size:23px;font-weight:800}
.resource-block-title::before{content:"";width:5px;height:21px;background:var(--primary);border-radius:99px}
.resource-list{display:flex;flex-direction:column;gap:15px}
.resource-row{display:grid;grid-template-columns:245px 1fr;gap:20px;background:var(--bg-card);border-radius:var(--radius-md);padding:14px;border:1px solid var(--border-light);box-shadow:var(--shadow-card);transition:var(--transition)}
.resource-row:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.resource-row.flip{grid-template-columns:1fr 245px}
.resource-thumb{position:relative;border-radius:12px;overflow:hidden;min-height:160px;background:#151522}
.resource-thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.resource-row.flip .resource-thumb{order:2}
.resource-tag{position:absolute;top:10px;left:10px;background:rgba(21,21,34,.73);color:#fff;font-size:11px;padding:4px 9px;border-radius:99px;backdrop-filter:blur(4px)}
.resource-info{padding:6px 6px;display:flex;flex-direction:column;justify-content:center}
.resource-info h3{margin:0 0 9px;color:var(--text-title);font-size:18px;font-weight:800;line-height:1.45}
.resource-info .desc{font-size:14px;line-height:1.85;color:var(--text-muted);margin:0 0 13px}
.resource-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:13px}
.resource-big-button{background:#F5F2FA;color:var(--text-title);border:1px solid var(--border-light);font-size:13.5px;font-weight:800;padding:8px 18px;border-radius:99px;width:auto}
.resource-big-button:hover{background:var(--primary)}
.side-card{background:#fff;border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-card);border:1px solid var(--border-light);margin-bottom:18px}
.side-card h3{color:var(--text-title);font-size:17px;font-weight:800;margin:0 0 5px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--primary)}
.side-sub{font-size:12.5px;color:var(--text-muted);line-height:1.6;margin-bottom:17px;border-bottom:1px dashed var(--border-light);padding-bottom:15px}
.rank-list{list-style:none;margin:0;padding:0}
.rank-list li{margin-bottom:13px;padding-bottom:13px;border-bottom:1px solid rgba(30,27,41,.05);display:grid;grid-template-columns:30px 1fr;gap:12px;align-items:center}
.rank-list li:last-child{margin-bottom:0;padding-bottom:0;border-bottom:0}
.rank-num{font-family:var(--font-mono);font-weight:800;font-size:16px;color:#DFD7EC}
.rank-list li:nth-child(1) .rank-num{color:var(--primary)}
.rank-list li:nth-child(2) .rank-num{color:#D8B045}
.rank-list li:nth-child(3) .rank-num{color:#B69B4A}
.rank-title{font-size:14px;color:var(--text-title);font-weight:700;line-height:1.5}
.rank-title small{display:block;color:var(--text-muted);font-weight:500;font-size:12px;margin-top:3px}
.rank-list i.dl{float:right;font-style:normal;color:var(--text-muted);font-weight:600}
.hot-tags-cloud{display:flex;flex-wrap:wrap;gap:7px}
.hot-tags-cloud a{font-size:12.5px;color:var(--text-body);background:#F5F2FA;border:1px solid var(--border-light);border-radius:99px;padding:5px 12px;font-weight:600}
.hot-tags-cloud a:hover{background:var(--primary);color:var(--primary-ink)}
.side-contact-card{background:var(--bg-deep);border-radius:var(--radius-md);padding:23px;color:#B8BACC}
.side-contact-card h4{color:#fff;font-weight:800;margin:0 0 10px}
.side-contact-card p{font-size:14px;line-height:1.8;margin-bottom:17px;color:rgba(255,255,255,.65)}
.side-contact-card .btn{width:100%}
.cat-bottom-cta{margin-top:60px;border-radius:var(--radius-lg);padding:44px 40px;background:linear-gradient(120deg,rgba(21,21,34,.92),rgba(24,24,38,.86)),url('/assets/images/backpic/back-5.jpg') center/cover;border:1px solid var(--border-deep);text-align:center}
.cat-bottom-cta h2{color:#fff;font-size:27px;font-weight:800;margin:0 0 10px}
.cat-bottom-cta p{color:#CACCDB;font-size:15px;max-width:520px;margin:0 auto 24px}
.cat-bottom-cta .btn{margin:7px}
.question-strip{margin-top:44px;background:rgba(122,90,248,.06);border:1px dashed #BFAFEE;border-radius:var(--radius-md);padding:20px 24px;text-align:center;font-size:14px;color:var(--text-body)}
.question-strip a{font-weight:800;color:var(--text-title);border-bottom:2px solid var(--primary);padding-bottom:1px}
@media(max-width:900px){
.cat-body{padding-top:48px}
.feat-card,.resource-row,.resource-row.flip{grid-template-columns:1fr}
.resource-row.flip .resource-thumb{order:0}
.feat-card-img{min-height:220px;position:relative}
.feat-card-img img{position:relative;height:240px}
.resource-thumb{min-height:185px}
.resource-thumb img{position:relative;height:190px}
}
@media(max-width:640px){
.cat-hero h1{font-size:32px}
.feat-card-content{padding:20px}
.cat-filter-bar{margin-top:-28px;padding:10px 12px}
}

/* ============ Additional general ============ */
.section-white{background:#fff}
.backdrop-line{max-width:1200px;margin:0 auto}
@media(max-width:720px){
.container,.grid-container{padding:0 16px}
.nav-inner{padding:0 16px}
.topbar-inner{padding:0 16px}
}
@media(max-width:900px){
.nav-list,.nav-cta.desktop-only{display:none}
.burger{display:inline-flex}
.brand-logo{width:33px;height:33px}
.nav-actions{gap:10px}
.brand{font-size:20px}
}

/* roulang page: category1 */
:root{
  --bg-base:#F7F5FA;
  --bg-soft:#EFEBF4;
  --bg-deep:#151522;
  --bg-deep-2:#1D1B2B;
  --bg-deep-3:#28253C;
  --bg-card:#FFFFFF;
  --primary:#F5C518;
  --primary-hover:#DDB20B;
  --primary-ink:#332E00;
  --secondary:#2AF5B5;
  --alert:#FF675B;
  --text-title:#1E1B29;
  --text-body:#4B5166;
  --text-muted:#7C8299;
  --text-invert:#F5F2FC;
  --text-invert-muted:#C5C7D6;
  --border-light:rgba(30,27,41,0.08);
  --border-dark:rgba(255,255,255,0.10);
  --border-deep:rgba(245,197,24,0.28);
  --shadow-card:0 10px 30px rgba(30,27,41,0.06);
  --shadow-hover:0 22px 50px rgba(30,27,41,0.13);
  --radius-md:16px;
  --radius-lg:28px;
  --radius-pill:999px;
  --font-mono:ui-monospace,"SF Mono","Cascadia Code","Roboto Mono",Menlo,monospace;
  --transition:all .25s cubic-bezier(.2,0,0,1);
}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg-base);color:var(--text-body);font-family:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.9;text-rendering:optimizeLegibility}
body.menu-open{overflow:hidden}
img{max-width:100%;height:auto;display:block}
ul,ol{margin:0;padding:0}
a{color:#7A5AF8;text-decoration:none;transition:var(--transition)}
a:hover{color:#5C3BE0}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--secondary);outline-offset:2px}
button{font-family:inherit}
.grid-container{max-width:1200px}
::selection{background:var(--primary);color:var(--primary-ink)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#F0EEF6}
::-webkit-scrollbar-thumb{background:#C9C2D8;border-radius:6px;border:2px solid #F0EEF6}
::-webkit-scrollbar-thumb:hover{background:#A79EC2}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 28px;border-radius:var(--radius-pill);font-family:inherit;font-size:15px;font-weight:800;line-height:1;border:1px solid transparent;cursor:pointer;transition:var(--transition);white-space:nowrap}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--primary);color:var(--primary-ink);box-shadow:0 8px 22px rgba(245,197,24,.22)}
.btn-primary:hover{background:var(--primary-hover);color:var(--primary-ink);box-shadow:0 12px 30px rgba(245,197,24,.28);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-dark{background:var(--text-title);color:#fff}
.btn-dark:hover{background:#120f1d;color:var(--primary);transform:translateY(-2px)}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted)}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:99px;background:var(--primary)}
.card{background:var(--bg-card);border-radius:var(--radius-md);box-shadow:var(--shadow-card);border:1px solid rgba(255,255,255,.7)}
.tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--radius-pill);background:#F0ECF7;border:1px solid rgba(30,27,41,.06);color:#6A6F85;font-size:12px;font-weight:700;line-height:1.7}

/* ========== Header ========== */
.site-header{position:sticky;top:0;z-index:1000}
.topbar{background:#EBE7F3;border-bottom:1px solid rgba(30,27,41,.06)}
.topbar-inner{max-width:1200px;margin:0 auto;padding:7px 22px;display:flex;align-items:center;justify-content:space-between;min-height:40px;font-size:13px;color:var(--text-muted)}
.topbar-note{display:inline-flex;gap:8px;align-items:center}
.topbar-note i{color:#7A5AF8}
.topbar-social{display:flex;align-items:center;gap:2px}
.topbar-social a{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;color:var(--text-muted)}
.topbar-social a:hover{background:#ddd3ec;color:var(--text-title)}
.mainbar{background:rgba(21,21,34,.96);backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.07)}
.nav-inner{max-width:1200px;margin:0 auto;height:80px;padding:0 22px;display:flex;align-items:center;gap:28px}
.brand{display:inline-flex;align-items:center;flex-shrink:0;gap:10px;font-size:23px;font-weight:900;color:#fff;letter-spacing:-.01em}
.brand:hover{color:var(--primary)}
.brand-logo{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--primary) 0%,#FFDC59 60%,#F5C518 100%);display:inline-flex;align-items:center;justify-content:center;color:var(--primary-ink);font-size:14px;box-shadow:0 6px 16px rgba(245,197,24,.3)}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.nav-list{list-style:none;display:flex;gap:2px}
.nav-list>li{position:relative}
.nav-list>li>a{display:inline-flex;align-items:center;gap:7px;height:80px;padding:0 14px;color:#E2DFEF;font-size:15px;font-weight:700;border-radius:0;position:relative}
.nav-list>li>a:hover,.nav-list>li>a.active{color:var(--primary)}
.nav-list>li>a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;background:var(--primary);border-radius:99px 99px 0 0}
.nav-item{position:relative}
.nav-cta{height:42px;min-height:42px;padding:0 22px;background:var(--primary);color:var(--primary-ink);border-radius:var(--radius-pill);font-weight:800;font-size:14px;display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.nav-cta:hover{background:var(--primary-hover);color:var(--primary-ink);transform:translateY(-2px)}

.mega-panel{position:absolute;top:74px;left:50%;transform:translateX(-50%) translateY(12px);min-width:580px;display:flex;gap:18px;padding:18px;background:rgba(29,27,43,.97);backdrop-filter:blur(20px);border:1px solid var(--border-dark);border-radius:var(--radius-md);box-shadow:0 30px 60px rgba(0,0,0,.35);opacity:0;visibility:hidden;transition:var(--transition);z-index:200}
.nav-item:hover .mega-panel,.mega-panel:hover{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav-mega-column{display:flex;flex-direction:column;min-width:220px;gap:4px;padding-right:12px}
.nav-mega-column h4{color:#fff;font-size:13px;letter-spacing:.08em;margin:0 0 6px;text-transform:uppercase}
.nav-mega-column a{padding:8px 10px;border-radius:10px;color:#C5C7D6;font-size:14px;font-weight:600}
.nav-mega-column a:hover{background:rgba(245,197,24,.1);color:var(--primary);padding-left:15px}
.mega-feature{display:block;width:250px;background:var(--bg-deep-3);border-radius:14px;overflow:hidden;border:1px solid rgba(255,255,255,.08)}
.mega-feature img{width:100%;height:120px;object-fit:cover}
.mega-feature-body{padding:12px 14px}
.mega-feature-body span{display:inline-block;padding:3px 10px;background:var(--primary);border-radius:99px;color:var(--primary-ink);font-size:11px;font-weight:800;margin-bottom:8px}
.mega-feature-body p{color:#fff;font-size:13px;line-height:1.6;margin:0}
.burger{display:none;width:44px;height:44px;border:none;background:transparent;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger span{display:block;width:22px;height:2px;background:#fff;border-radius:3px;transition:var(--transition)}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ========== Category Hero ========== */
.cat-hero{position:relative;background:var(--bg-deep);color:#fff;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.06)}
.cat-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 320px at 85% 20%,rgba(245,197,24,.16),transparent 60%),radial-gradient(360px 260px at 5% 100%,rgba(42,245,181,.12),transparent 55%)}
.cat-hero::after{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.jpg");background-size:cover;background-position:center;mix-blend-mode:soft-light;opacity:.2}
.cat-hero .grid-container{position:relative;z-index:2}
.cat-hero-inner{padding:72px 0 66px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-invert-muted);margin-bottom:26px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-invert-muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb i{color:var(--text-muted);font-size:10px}
.cat-hero-kicker{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid rgba(245,197,24,.3);background:rgba(245,197,24,.09);color:var(--primary);border-radius:99px;font-size:13px;font-weight:700}
.cat-hero h1{margin:22px 0 20px;font-size:52px;line-height:1.18;letter-spacing:-.03em;font-weight:900}
.cat-hero h1 .hero-brand-word{background:linear-gradient(90deg,var(--primary),#FFE27A);-webkit-background-clip:text;background-clip:text;color:transparent;padding-right:8px}
.cat-hero h1 .hero-library-word{color:#fff;display:block;font-size:.68em;margin-top:8px;color:var(--text-invert-muted);font-weight:800}
.cat-hero-desc{max-width:640px;font-size:16px;line-height:2;color:var(--text-invert-muted);margin:0 0 26px}
.cat-hero-meta{display:flex;flex-wrap:wrap;gap:14px 30px;margin-bottom:30px}
.hero-stat{position:relative;padding-left:16px;font-size:13px;color:var(--text-invert-muted)}
.hero-stat::before{content:"";position:absolute;left:0;top:8px;width:4px;height:22px;border-radius:4px;background:var(--primary)}
.hero-stat strong{display:block;font-family:var(--font-mono);font-size:27px;line-height:1.2;color:var(--primary);font-weight:700}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.cat-hero-visual{position:relative;z-index:3}
.hero-visual-card{position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:22px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.32);backdrop-filter:blur(14px)}
.hero-visual-media{position:relative;overflow:hidden;height:210px}
.hero-visual-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.hero-visual-card:hover .hero-visual-media img{transform:scale(1.04)}
.hero-visual-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(21,21,34,0) 10%,rgba(21,21,34,.65) 100%)}
.hero-visual-badge{position:absolute;left:16px;top:16px;background:rgba(21,21,34,.72);border:1px solid rgba(245,197,24,.35);color:var(--primary);font-size:12px;font-weight:800;padding:4px 10px;border-radius:99px}
.hero-visual-body{padding:18px 20px 20px}
.hero-visual-body h3{color:#fff;font-size:18px;line-height:1.55;margin:0 0 8px}
.hero-visual-body p{color:var(--text-invert-muted);font-size:13px;line-height:1.8;margin:0}
.hero-visual-chip{display:flex;gap:8px;margin-top:12px}
.hero-visual-chip span{font-size:11px;color:var(--text-invert-muted);background:rgba(255,255,255,.08);padding:3px 10px;border-radius:99px}

/* ========== Category Anchor Rail ========== */
.cat-rail{background:var(--bg-soft);border-bottom:1px solid var(--border-light)}
.cat-rail-inner{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:16px 0}
.cat-rail-label{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:800;color:var(--text-title);margin-right:4px}
.cat-rail-label i{color:var(--primary)}
.rail-pill{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;background:#fff;border:1px solid rgba(30,27,41,.08);border-radius:var(--radius-pill);font-size:14px;font-weight:650;color:var(--text-body);box-shadow:0 3px 10px rgba(30,27,41,.04)}
.rail-pill:hover{color:var(--primary-ink);border-color:rgba(245,197,24,.45);box-shadow:0 8px 18px rgba(245,197,24,.12);transform:translateY(-2px)}
.rail-pill i{color:var(--primary);font-size:11px}

/* ========== Main content columns ========== */
.cat-content{padding:66px 0 30px}
.category-main{padding-bottom:40px}
.cat-section-head{display:flex;align-items:flex-start;gap:18px;margin:0 0 34px;position:relative}
.cat-section-head::before{content:"";position:absolute;left:-22px;top:4px;width:4px;height:34px;border-radius:4px;background:var(--primary)}
.section-index{font-family:var(--font-mono);font-size:13px;color:var(--primary);font-weight:800;letter-spacing:.04em;white-space:nowrap;padding-top:5px}
.cat-section-head h2{margin:0 0 6px;color:var(--text-title);font-size:30px;line-height:1.3;font-weight:800}
.cat-section-head p{margin:0;max-width:720px;font-size:15px;line-height:1.9;color:var(--text-muted)}
.cat-section-head p strong{color:var(--text-body)}

/* Feature Card */
.feature-zone{margin-bottom:62px}
.feature-primary{background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);border:1px solid rgba(255,255,255,.7);display:grid;grid-template-columns:1.03fr .97fr;margin-bottom:24px}
.feature-media{position:relative;min-height:300px;overflow:hidden}
.feature-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.feature-primary:hover .feature-media img{transform:scale(1.05)}
.feature-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(21,21,34,.12),rgba(21,21,34,.28))}
.feature-badge{position:absolute;left:18px;top:16px;z-index:3;background:var(--primary);color:var(--primary-ink);padding:5px 12px;border-radius:99px;font-size:12px;font-weight:800;box-shadow:0 8px 18px rgba(245,197,24,.25)}
.feature-content{padding:30px 28px;display:flex;flex-direction:column}
.feature-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:#7A5AF8;letter-spacing:.02em;margin-bottom:12px}
.feature-content h3{font-size:23px;line-height:1.5;margin:0 0 14px;color:var(--text-title)}
.feature-content h3 a{color:var(--text-title)}
.feature-content h3 a:hover{color:#7A5AF8}
.feature-content>p{font-size:14.5px;line-height:1.95;color:var(--text-body);margin:0 0 10px}
.feature-points{list-style:none;display:flex;flex-direction:column;gap:8px;margin:6px 0 22px}
.feature-points li{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;color:var(--text-body);line-height:1.7}
.feature-points li i{color:var(--secondary);font-size:12px;margin-top:5px}
.feature-foot{margin-top:auto;display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding-top:16px;border-top:1px solid var(--border-light)}
.btn-feature{display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 19px;background:#F0ECF7;border-radius:99px;color:var(--text-title);font-size:13.5px;font-weight:800}
.btn-feature:hover{background:var(--primary);color:var(--primary-ink)}
.feature-foot small{font-size:12px;color:var(--text-muted)}

/* Two Mini cards */
.feature-two{margin-bottom:4px}
.mini-card{background:var(--bg-card);border-radius:var(--radius-md);overflow:hidden;border:1px solid rgba(255,255,255,.75);box-shadow:var(--shadow-card);height:100%;display:flex;flex-direction:column;transition:var(--transition)}
.mini-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.mini-card .mini-media{position:relative;height:168px;overflow:hidden}
.mini-card .mini-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.mini-card:hover .mini-media img{transform:scale(1.06)}
.mini-media .hot-tag{position:absolute;right:12px;bottom:12px;background:rgba(21,21,34,.75);backdrop-filter:blur(8px);color:#fff;border:1px solid rgba(255,255,255,.15);font-size:11px;padding:3px 9px;border-radius:99px}
.mini-body{padding:18px 18px 16px;display:flex;flex-direction:column;flex:1}
.mini-body .mini-cat{display:inline-flex;align-items:center;gap:5px;color:#7A5AF8;font-size:12px;font-weight:800;margin-bottom:8px}
.mini-body h3{font-size:18px;line-height:1.6;margin:0 0 10px;color:var(--text-title)}
.mini-body h3 a{color:var(--text-title)}
.mini-body h3 a:hover{color:#7A5AF8}
.mini-body p{font-size:13px;line-height:1.85;color:var(--text-muted);margin:0 0 14px}
.mini-foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center}
.mini-foot span{display:inline-flex;gap:6px;font-size:12px;color:var(--text-muted)}
.mini-foot i{color:var(--primary)}
.mini-more{font-size:14px;font-weight:800;color:#7A5AF8}
.mini-more i{font-size:11px}
.mini-more:hover{color:#5C3BE0}

/* ===== Mix rows ===== */
.mix-section{margin-bottom:30px}
.mix-list{display:flex;flex-direction:column;gap:24px}
.mix-row{display:flex;flex-direction:row;background:var(--bg-card);border:1px solid rgba(255,255,255,.78);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);transition:var(--transition)}
.mix-row:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.mix-row.flip{flex-direction:row-reverse}
.mix-media{flex:0 0 42%;overflow:hidden;position:relative;min-height:250px;background:var(--bg-soft)}
.mix-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.mix-row:hover .mix-media img{transform:scale(1.04)}
.mix-body{flex:1;padding:26px 26px 24px;display:flex;flex-direction:column}
.mix-cat{display:inline-flex;align-items:center;gap:7px;margin-bottom:12px}
.mix-cat .tag{background:#F0ECF7}
.mix-cat .tag:first-child{background:rgba(122,90,248,.1);color:#5C3BE0;border-color:rgba(122,90,248,.14)}
.mix-body h3{font-size:20px;line-height:1.55;margin:0 0 10px;color:var(--text-title);font-weight:800}
.mix-body h3 a{color:var(--text-title)}
.mix-body h3 a:hover{color:#7A5AF8}
.mix-body>p{font-size:14px;line-height:1.9;color:var(--text-body);margin:0 0 16px}
.mix-spec{border-top:1px dashed rgba(30,27,41,.12);padding-top:13px;margin-bottom:16px;display:flex;flex-wrap:wrap;gap:8px 16px;list-style:none}
.mix-spec li{font-family:var(--font-mono);font-size:12px;color:var(--text-muted);letter-spacing:.01em}
.mix-spec li i{color:var(--primary);font-family:"Font Awesome 6 Free";font-weight:900;margin-right:5px;font-style:normal}
.mix-actions{margin-top:auto;display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.blank-link{font-size:14px;color:var(--text-muted);font-weight:600}
.blank-link:hover{color:var(--text-title)}

/* ===== Aside / Rail ===== */
.cat-aside{position:sticky;top:94px}
.aside-card{background:var(--bg-card);border:1px solid rgba(255,255,255,.8);border-radius:var(--radius-md);box-shadow:var(--shadow-card);padding:22px;margin-bottom:24px}
.aside-title{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:var(--text-title);margin-bottom:18px;padding-bottom:13px;border-bottom:1px solid var(--border-light)}
.aside-title i{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;background:#F0ECF7;color:#7A5AF8;border-radius:9px;font-size:13px}
.rank-list{list-style:none;display:flex;flex-direction:column;gap:8px}
.rank-list li{display:flex;align-items:center;gap:13px;padding:10px;border-radius:12px;background:transparent;transition:var(--transition)}
.rank-list li:hover{background:#F7F2FB}
.rank-no{font-family:var(--font-mono);font-size:19px;font-weight:800;color:var(--bg-base);background:var(--bg-soft);border-radius:10px;width:38px;height:34px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;transition:var(--transition)}
.rank-list li:hover .rank-no{background:var(--primary);color:var(--primary-ink)}
.rank-content{flex:1;min-width:0}
.rank-content a{display:block;color:var(--text-title);font-size:14px;font-weight:750;line-height:1.45;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-content a:hover{color:#7A5AF8}
.rank-content small{display:block;font-size:12px;color:var(--text-muted)}
.rank-side{display:inline-flex;flex-wrap:wrap;gap:5px}
.rank-side span{font-size:10px;background:#EFEBF4;color:#6A6F85;border-radius:6px;padding:2px 7px}
.tag-group{display:flex;flex-wrap:wrap;gap:9px}
.tag-group a{display:inline-flex;gap:5px;padding:7px 14px;background:#F4F0F9;border-radius:99px;font-size:13px;color:var(--text-body);font-weight:700}
.tag-group a:hover{background:var(--primary);color:var(--primary-ink);transform:translateY(-2px)}
.aside-note{margin-top:14px;padding:12px 14px;background:var(--bg-soft);border-radius:12px;font-size:12px;line-height:1.8;color:var(--text-muted)}
.aside-note a{font-weight:800}

/* ===== FAQ Zone ===== */
.faq-zone{background:var(--bg-deep);padding:92px 0 70px;position:relative;overflow:hidden}
.faq-zone::before{content:"";position:absolute;top:-120px;right:-100px;width:430px;height:430px;background:radial-gradient(circle,rgba(245,197,24,.1),transparent 65%);pointer-events:none}
.faq-caption{max-width:820px;margin:0 auto 46px;text-align:center}
.faq-caption .eyebrow{color:var(--text-invert-muted);justify-content:center}
.faq-caption .eyebrow::before{display:none}
.faq-caption h2{color:#fff;font-size:34px;line-height:1.35;font-weight:800;margin:16px 0 12px}
.faq-caption>p{color:var(--text-invert-muted);font-size:15px;line-height:1.9;max-width:680px;margin:0 auto}
.faq-main{max-width:980px;margin:0 auto}
.accordion{list-style:none;background:transparent;display:flex;flex-direction:column;gap:14px}
.accordion-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:18px;overflow:hidden;transition:var(--transition)}
.accordion-item.is-active{border-color:var(--border-deep);background:rgba(245,197,24,.05)}
.accordion-title{background:transparent!important;border-bottom:0!important;color:#fff;font-size:17px;font-weight:700;padding:20px 54px 20px 22px!important;line-height:1.6;position:relative}
.accordion-title:hover{color:var(--primary-trans);color:#FFD64D}
.accordion-title::before{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:19px;top:50%;transform:translateY(-50%);width:28px;height:28px;border:1px solid rgba(255,255,255,.2);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;color:var(--text-invert-muted);transition:var(--transition)}
.accordion-item.is-active .accordion-title::before{background:var(--primary);border-color:var(--primary);color:var(--primary-ink);transform:translateY(-50%) rotate(180deg)}
.accordion-content{background:transparent!important;border-bottom:0!important;color:var(--text-invert-muted);font-size:15px;line-height:2;padding:4px 22px 22px!important}
.accordion-content p{margin:0 0 10px}
.faq-cta{text-align:center;margin-top:30px}
.faq-cta p{color:var(--text-invert-muted);font-size:14px;margin-bottom:12px}
.faq-more-btn{display:inline-flex;align-items:center;gap:8px;padding:13px 25px;background:rgba(245,197,24,.09);border:1px solid rgba(245,197,24,.28);border-radius:99px;color:var(--primary);font-weight:800;font-size:14px}
.faq-more-btn:hover{background:var(--primary);color:var(--primary-ink);transform:translateY(-2px)}

/* ===== Contact CTA ===== */
.contact-zone{background:var(--bg-deep-2);padding:88px 0}
.contact-inner{background:linear-gradient(135deg,rgba(255,255,255,.05),rgba(255,255,255,.02));border:1px solid var(--border-dark);border-radius:var(--radius-lg);padding:44px 42px;display:flex;gap:50px;align-items:center;position:relative;overflow:hidden}
.contact-inner::before{content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(245,197,24,.16),transparent 65%)}
.contact-copy{flex:1 1 46%;min-width:280px}
.contact-copy .eyebrow{color:var(--text-invert-muted)}
.contact-copy h2{color:#fff;font-size:31px;line-height:1.4;font-weight:800;margin:16px 0 14px}
.contact-copy p{color:var(--text-invert-muted);font-size:15px;line-height:1.9;margin:0 0 18px}
.contact-copy ul{list-style:none;display:flex;flex-direction:column;gap:9px;margin:0}
.contact-copy ul li{display:flex;gap:10px;color:var(--text-invert-muted);font-size:14px}
.contact-copy ul li i{color:var(--secondary);font-size:13px;margin-top:6px}
.contact-form-wrap{flex:1 1 54%;min-width:300px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);border-radius:22px;padding:26px 26px 24px}
.contact-form label{color:var(--text-invert-muted);font-size:13px;font-weight:700;display:block;margin-bottom:5px}
.contact-form .input-group{margin-bottom:14px}
.contact-form input[type="text"],.contact-form input[type="tel"],.contact-form select,.contact-form textarea{background:rgba(21,21,34,.6);border:1px solid rgba(255,255,255,.12);border-radius:12px;color:#fff;font-family:inherit;font-size:14px;padding:11px 14px;box-shadow:none;width:100%;margin:0;transition:var(--transition)}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:rgba(245,242,252,.45)}
.contact-form input[type="text"]:focus,.contact-form input[type="tel"]:focus,.contact-form select:focus,.contact-form textarea:focus{box-shadow:0 0 0 3px rgba(245,197,24,.2);border-color:var(--primary);background:rgba(21,21,34,.8)}
.contact-form select option{color:#1E1B29;background:#fff}
.contact-form textarea{min-height:84px;resize:vertical}
.checkline{display:flex;gap:9px;align-items:flex-start;font-size:12px;color:var(--text-invert-muted);margin:7px 0 13px}
.checkline input{width:16px;height:16px;margin-top:4px;accent-color:var(--primary)}
.form-submit{width:100%;justify-content:center}
.form-tip{margin-top:10px;font-size:12px;color:rgba(245,242,252,.42);line-height:1.7;text-align:center}
.form-feedback{margin-top:13px;background:rgba(42,245,181,.12);border:1px solid rgba(42,245,181,.3);color:#9CF7DD;padding:9px 13px;border-radius:10px;font-size:13px;text-align:center}

/* ===== Footer ===== */
.site-footer{background:#0F0E1A;border-top:1px solid rgba(255,255,255,.07)}
.footer-inner{max-width:1200px;margin:0 auto;padding:58px 22px 26px}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr .9fr;gap:44px;margin-bottom:36px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:22px;font-weight:900;color:#fff}
.footer-brand .brand-logo{background:linear-gradient(135deg,var(--primary),#FFDC59)}
.footer-desc{color:#B9BACB;font-size:14px;line-height:1.95;margin:16px 0 8px;max-width:520px}
.footer-sub{color:#898BA1;font-size:12.5px;line-height:1.85;max-width:520px;margin:0}
.footer-col-title{color:#fff;font-size:15px;font-weight:800;margin-bottom:14px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:9px}
.footer-links a{color:#B9BACB;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.footer-links a:hover{color:var(--primary);gap:9px}
.footer-links i{color:var(--primary);font-size:11px;transition:transform .2s}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;font-size:13px;color:#898BA1}
.footer-bottom .copy{color:#B9BACB}
.footer-bottom .copy a{color:var(--primary);font-weight:700}
.footer-bottom .copy a:hover{color:#FFD64D}
.footer-legal{display:flex;gap:16px;flex-wrap:wrap}
.footer-legal a{color:#898BA1;font-size:13px}
.footer-legal a:hover{color:var(--primary)}

/* Entrance */
@keyframes riseIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.cat-hero .grid-container{animation:riseIn .55s cubic-bezier(.2,0,0,1)}

/* Responsive */
@media (max-width:1023px){
  .burger{display:inline-flex}
  .nav-list{display:block;list-style:none;margin:0;padding:100px 28px 36px;position:fixed;top:0;right:0;bottom:0;width:min(470px,88%);background:var(--bg-deep-2);border-left:1px solid rgba(255,255,255,.08);z-index:1200;transform:translateX(105%);opacity:0;visibility:hidden;overflow-y:auto;transition:var(--transition)}
  .nav-list>li>a{display:flex;height:auto;padding:15px 13px;color:#E8E4F3;font-size:19px;border-radius:11px}
  .nav-list>li>a.active{color:var(--primary);background:rgba(245,197,24,.08)}
  .nav-list>li>a.active::after{display:none}
  .nav-item .mega-panel{display:none}
  .site-header::after{content:"";position:fixed;inset:0;background:rgba(10,10,16,.52);z-index:1100;opacity:0;visibility:hidden;transition:var(--transition);pointer-events:none}
  body.menu-open .nav-list{transform:none;opacity:1;visibility:visible}
  body.menu-open .site-header::after{opacity:1;visibility:visible;pointer-events:auto}
  .nav-cta.desktop-only{display:inline-flex}
  .cat-hero h1{font-size:43px}
  .mega-note{color:var(--text-invert-muted)}
}
@media (max-width:900px){
  .feature-primary{grid-template-columns:1fr}
  .feature-media{min-height:230px}
  .feature-content{padding:22px}
  .feature-media::after{content:"";position:absolute;inset:auto 0 0 0;height:50%;background:linear-gradient(180deg,transparent,rgba(21,21,34,.16));background:none}
  .cat-aside{position:static;margin-top:20px}
  .contact-inner{flex-direction:column;padding:32px 26px;gap:32px}
  .contact-copy,.contact-form-wrap{min-width:0;width:100%}
}
@media (max-width:700px){
  .topbar-inner{padding:6px 16px;font-size:12px}
  .nav-inner{padding:0 16px;gap:12px;height:72px}
  .brand{font-size:20px}
  .brand-logo{width:32px;height:32px;border-radius:9px;font-size:13px}
  .topbar-note span{display:none}
  .cat-content{padding:46px 0 20px}
  .cat-section-head{flex-direction:column;gap:6px;margin-left:14px}
  .cat-section-head h2{font-size:24px}
  .cat-rail-inner{flex-wrap:nowrap;overflow-x:auto;padding:12px 0;scrollbar-width:none}
  .cat-rail-inner::-webkit-scrollbar{display:none}
  .cat-rail-label{display:none}
  .rail-pill{white-space:nowrap;font-size:13px;padding:7px 14px;background:#fff}
  .mix-media,.mix-row,.mix-row.flip{flex-direction:column}
  .mix-media{flex:none;min-height:190px}
  .mix-body{padding:20px 18px}
  .mix-actions .btn{padding:0 18px;min-height:42px;font-size:13px}
  .feature-two .cell{margin-bottom:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-top:36px}
  .faq-caption h2{font-size:25px}
  .cat-hero-inner{padding:48px 0 52px}
  .cat-hero h1{font-size:35px}
  .cat-hero-desc{font-size:14.5px}
  .hero-visual-card{margin-top:20px}
  .cat-hero-meta{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .category-main{padding-bottom:20px}
  .footer-legal{gap:14px}
  .footer-legal a{font-size:12px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}