/* roulang page: index */
:root{
  --k1:#6a2ce0;
  --k2:#ff4f8b;
  --k3:#f6f3fc;
  --k4:#1c1530;
  --k5:#5b5078;
  --k6:#e8e2f6;
  --k7:18px;
  --k8:0 18px 40px rgba(38,20,80,.09);
  --k9:clamp(44px,6vw,78px);
  --k10:#150d28;
  --k11:#a596cb;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--k3);color:var(--k4);font:16px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,p,figure{margin:0}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--k2);outline-offset:3px}
.ivxgnf-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* 顶栏 */
.ivxgnf-top{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--k6)}
.ivxgnf-topin{display:flex;align-items:center;gap:16px;height:68px;min-width:0}
.ivxgnf-brand{display:flex;align-items:center;gap:10px;flex:none}
.ivxgnf-logo{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--k1),var(--k2));display:grid;place-items:center;color:#fff;font-weight:800;font-size:14px;letter-spacing:.5px}
.ivxgnf-name{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
.ivxgnf-menu{margin-left:auto;display:flex;gap:4px;overflow-x:auto;min-width:0;scrollbar-width:none}
.ivxgnf-menu::-webkit-scrollbar{display:none}
.ivxgnf-menu a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border-radius:11px;font-size:15px;color:#4b3f68;white-space:nowrap;transition:background .2s,color .2s}
.ivxgnf-menu a:hover{background:#f1ebfd;color:var(--k1)}
.ivxgnf-menu a.on{background:var(--k1);color:#fff}

/* 首屏 */
.ivxgnf-hero{position:relative;overflow:hidden;background:var(--k10);color:#fff}
.ivxgnf-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.34}
.ivxgnf-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(112deg,rgba(16,9,34,.95),rgba(16,9,34,.74) 46%,rgba(16,9,34,.32))}
.ivxgnf-heroin{position:relative;display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,4vw,56px);align-items:center;padding-top:clamp(40px,6vw,84px);padding-bottom:clamp(40px,6vw,84px)}
.ivxgnf-kicker{display:inline-block;padding:6px 14px;border:1px solid rgba(255,255,255,.28);border-radius:999px;font-size:13px;color:#d9cdff;margin-bottom:18px}
.ivxgnf-h1{font-size:clamp(30px,5vw,52px);line-height:1.14;font-weight:800;letter-spacing:-.5px}
.ivxgnf-h1 em{font-style:normal;color:#ff74a9}
.ivxgnf-sub{margin-top:14px;font-size:clamp(16px,1.9vw,20px);font-weight:600;color:#cbbcf2}
.ivxgnf-hero p{margin-top:16px;font-size:15px;line-height:1.85;color:#b3a5d6;max-width:54ch}
.ivxgnf-acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.ivxgnf-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;border-radius:12px;border:0;cursor:pointer;font-size:15px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--k2),var(--k1));box-shadow:0 12px 28px rgba(255,79,139,.3);transition:transform .22s,box-shadow .22s}
.ivxgnf-btn:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,79,139,.38)}
.ivxgnf-btnline{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;border-radius:12px;font-size:15px;font-weight:700;color:#fff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.3);transition:background .22s,transform .22s}
.ivxgnf-btnline:hover{background:rgba(255,255,255,.19);transform:translateY(-2px)}
.ivxgnf-kpis{display:flex;flex-wrap:wrap;gap:28px;margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14)}
.ivxgnf-kpi b{display:block;font-size:19px;font-weight:800;color:#fff}
.ivxgnf-kpi span{font-size:13px;color:var(--k11)}
.ivxgnf-art{position:relative}
.ivxgnf-art img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:22px;box-shadow:0 30px 66px rgba(0,0,0,.5);transform:rotate(-2.2deg)}
.ivxgnf-artmark{position:absolute;left:18px;bottom:-14px;background:#fff;color:var(--k10);font-size:13px;font-weight:700;padding:8px 16px;border-radius:999px;box-shadow:0 12px 26px rgba(0,0,0,.28)}

/* 区块骨架 */
.ivxgnf-sec{padding:var(--k9) 0}
.ivxgnf-sec.ivxgnf-alt{background:#fff}
.ivxgnf-head{max-width:660px;margin-bottom:clamp(24px,3.4vw,40px)}
.ivxgnf-head.ivxgnf-mid{margin-left:auto;margin-right:auto;text-align:center}
.ivxgnf-eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--k1);margin-bottom:10px}
.ivxgnf-h2{font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:800;letter-spacing:-.3px}
.ivxgnf-lead{margin-top:12px;font-size:15px;line-height:1.85;color:var(--k5)}

/* 主题轮换 */
.ivxgnf-clock{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ivxgnf-clock li{background:#fff;border:1px solid var(--k6);border-radius:16px;padding:20px 22px;box-shadow:var(--k8)}
.ivxgnf-clock b{display:block;font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--k2);margin-bottom:8px}
.ivxgnf-clock strong{display:block;font-size:16px;margin-bottom:6px}
.ivxgnf-clock span{font-size:14px;color:var(--k5)}

/* 看点墙 */
.ivxgnf-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ivxgnf-tile{background:#fff;border:1px solid var(--k6);border-radius:var(--k7);padding:22px;transition:transform .22s,box-shadow .22s,border-color .22s}
.ivxgnf-tile:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(48,22,110,.11);border-color:#d7caf6}
.ivxgnf-tile b{display:block;font-size:15px;margin-bottom:8px}
.ivxgnf-tile p{font-size:14px;line-height:1.75;color:var(--k5)}

/* 工具包 */
.ivxgnf-perks{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.ivxgnf-perk{display:flex;gap:12px;background:#fff;border:1px solid var(--k6);border-radius:14px;padding:16px 18px}
.ivxgnf-dot{width:9px;height:9px;border-radius:50%;background:var(--k2);flex:none;margin-top:9px}
.ivxgnf-perk b{font-size:15px}
.ivxgnf-perk p{font-size:14px;line-height:1.7;color:var(--k5);margin-top:4px}

/* 分类 */
.ivxgnf-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ivxgnf-cat{background:#fff;border:1px solid var(--k6);border-radius:var(--k7);padding:20px 22px}
.ivxgnf-cat b{display:block;font-size:16px;margin-bottom:8px;color:#20153c}
.ivxgnf-cat span{font-size:14px;line-height:1.72;color:var(--k5)}

/* 卡片 */
.ivxgnf-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ivxgnf-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--k6);border-radius:var(--k7);overflow:hidden;transition:transform .24s,box-shadow .24s}
.ivxgnf-card:hover{transform:translateY(-5px);box-shadow:0 22px 42px rgba(48,22,110,.14)}
.ivxgnf-thumb{position:relative;aspect-ratio:16/10;background:#efeaf9}
.ivxgnf-thumb img{width:100%;height:100%;object-fit:cover}
.ivxgnf-badge{position:absolute;top:10px;left:10px;background:rgba(21,13,40,.84);color:#fff;font-size:12px;padding:3px 10px;border-radius:999px}
.ivxgnf-body{padding:16px 18px 20px}
.ivxgnf-body h3{font-size:16px;line-height:1.45;font-weight:700}
.ivxgnf-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.ivxgnf-tag{font-size:12px;color:#6a4bd0;background:#f2ecfe;border-radius:7px;padding:2px 8px}

/* 步骤 */
.ivxgnf-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:st}
.ivxgnf-step{background:#fff;border:1px solid var(--k6);border-radius:var(--k7);padding:24px 22px}
.ivxgnf-step::before{counter-increment:st;content:"0" counter(st);display:block;font-size:26px;font-weight:800;color:#ded2f7;line-height:1;margin-bottom:12px}
.ivxgnf-step b{display:block;font-size:16px;margin-bottom:8px}
.ivxgnf-step p{font-size:14px;line-height:1.75;color:var(--k5)}

/* 展示位 */
.ivxgnf-slots{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ivxgnf-slot{background:linear-gradient(160deg,#fff,#f7f2ff);border:1px solid var(--k6);border-radius:var(--k7);padding:24px 22px}
.ivxgnf-slot b{display:block;font-size:16px;margin-bottom:8px;color:var(--k1)}
.ivxgnf-slot p{font-size:14px;line-height:1.75;color:var(--k5)}

/* 资讯 */
.ivxgnf-news{display:grid;gap:14px}
.ivxgnf-news li{display:grid;grid-template-columns:132px 1fr;gap:18px;align-items:center;background:#fff;border:1px solid var(--k6);border-radius:16px;padding:12px;transition:border-color .2s,box-shadow .2s}
.ivxgnf-news li:hover{border-color:#d7caf6;box-shadow:0 14px 30px rgba(48,22,110,.09)}
.ivxgnf-news img{width:132px;height:84px;object-fit:cover;border-radius:11px}
.ivxgnf-news h3{font-size:15px;line-height:1.5;font-weight:700}
.ivxgnf-news small{display:block;margin-top:6px;font-size:13px;color:#8b83a8}

/* 口碑 */
.ivxgnf-quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ivxgnf-quote{background:#fff;border:1px solid var(--k6);border-radius:var(--k7);padding:22px}
.ivxgnf-quote p{font-size:15px;line-height:1.8;color:#3a2f57}
.ivxgnf-quote footer{margin-top:14px;font-size:13px;color:#8b83a8}

/* 参与 */
.ivxgnf-join{background:linear-gradient(135deg,#1d1236,#3a1a6b);border-radius:26px;padding:clamp(28px,4vw,52px);color:#fff;display:grid;grid-template-columns:1.4fr .9fr;gap:28px;align-items:center}
.ivxgnf-join h2{font-size:clamp(21px,2.8vw,30px);line-height:1.32;font-weight:800}
.ivxgnf-join p{margin-top:14px;font-size:15px;line-height:1.85;color:#c3b6e2}
.ivxgnf-join .ivxgnf-btn{width:100%}

/* 页脚 */
.ivxgnf-foot{background:#120b22;color:#a99cc6;padding:clamp(40px,5vw,64px) 0 0}
.ivxgnf-footgrid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:30px}
.ivxgnf-footgrid h4{font-size:14px;font-weight:800;color:#fff;letter-spacing:.06em;margin:0 0 14px}
.ivxgnf-footgrid p{font-size:14px;line-height:1.8}
.ivxgnf-footgrid li{margin-bottom:10px}
.ivxgnf-footgrid li a{font-size:14px;display:inline-flex;min-height:32px;align-items:center;transition:color .2s}
.ivxgnf-footgrid li a:hover{color:#fff}
.ivxgnf-footlogo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.ivxgnf-copy{margin-top:clamp(28px,4vw,44px);padding:20px 0;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#7f7398}

@media (max-width:1024px){
  .ivxgnf-heroin{grid-template-columns:1fr;gap:34px}
  .ivxgnf-art{max-width:640px}
  .ivxgnf-wall{grid-template-columns:repeat(2,1fr)}
  .ivxgnf-cards{grid-template-columns:repeat(2,1fr)}
  .ivxgnf-footgrid{grid-template-columns:repeat(2,1fr)}
  .ivxgnf-join{grid-template-columns:1fr}
}
@media (max-width:768px){
  .ivxgnf-topin{height:62px;gap:10px}
  .ivxgnf-name{font-size:15px}
  .ivxgnf-menu a{padding:0 11px;font-size:14px}
  .ivxgnf-clock,.ivxgnf-cats,.ivxgnf-steps,.ivxgnf-slots,.ivxgnf-quotes,.ivxgnf-perks{grid-template-columns:1fr}
  .ivxgnf-news li{grid-template-columns:104px 1fr;gap:14px}
  .ivxgnf-news img{width:104px;height:70px}
}
@media (max-width:520px){
  .ivxgnf-cards,.ivxgnf-wall{grid-template-columns:1fr}
  .ivxgnf-acts{flex-direction:column;align-items:stretch}
  .ivxgnf-kpis{gap:18px}
  .ivxgnf-art img{transform:none}
  .ivxgnf-artmark{left:12px;bottom:-12px;font-size:12px}
  .ivxgnf-footgrid{grid-template-columns:1fr}
}