/* roulang page: index */
*{box-sizing:border-box}
:root{
--ak:#ff5a2d;
--bk:#2ee6b0;
--bg1:#0a0d11;
--bg2:#101620;
--bg3:#151d28;
--fg:#e9eef4;
--fg2:#94a3b3;
--ln:rgba(255,255,255,.09);
--r1:12px;
--r2:20px;
--sd:0 18px 40px rgba(0,0,0,.45);
--pd:clamp(46px,6vw,86px);
}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg1);color:var(--fg);font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
a:focus-visible,summary:focus-visible{outline:2px solid var(--bk);outline-offset:3px}
.k-wrap{width:min(1180px,calc(100% - 36px));margin:0 auto}

/* 顶栏 */
.k-top{position:sticky;top:0;z-index:50;background:rgba(10,13,17,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--ln)}
.k-topbar{display:flex;align-items:center;gap:16px;min-height:66px}
.k-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:.5px;white-space:nowrap}
.k-brand i{width:34px;height:34px;flex:none;border-radius:10px;background:linear-gradient(135deg,var(--ak),#ff9a3d);color:#1a0c06;font-style:normal;font-size:15px;font-weight:800;display:grid;place-items:center}
.k-menu{flex:1;min-width:0;display:flex;justify-content:flex-end;gap:2px;overflow-x:auto;scrollbar-width:none}
.k-menu::-webkit-scrollbar{display:none}
.k-menu a{display:flex;align-items:center;min-height:44px;padding:0 13px;border-radius:10px;color:var(--fg2);font-size:15px;white-space:nowrap;transition:color .2s,background .2s}
.k-menu a:hover{color:var(--fg);background:rgba(255,255,255,.07)}
.k-join{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:10px;background:linear-gradient(135deg,var(--ak),#ff8a3d);color:#1a0c06;font-size:14px;font-weight:700;white-space:nowrap;box-shadow:0 8px 20px rgba(255,90,45,.25);transition:transform .2s}
.k-join:hover{transform:translateY(-1px)}

/* 首屏 */
.k-hero{position:relative;overflow:hidden;isolation:isolate;border-bottom:1px solid var(--ln)}
.k-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.3;z-index:-2}
.k-hero::after{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(120% 90% at 10% 0%,rgba(255,90,45,.22),transparent 62%),linear-gradient(180deg,rgba(10,13,17,.55),var(--bg1) 94%)}
.k-hero-in{padding:clamp(48px,7.5vw,92px) 0 clamp(38px,5.5vw,70px)}
.k-eyebrow{display:inline-flex;align-items:center;font-size:13px;letter-spacing:1px;color:var(--bk);border:1px solid rgba(46,230,176,.35);background:rgba(46,230,176,.08);padding:7px 14px;border-radius:999px}
.k-h1{margin:20px 0 12px;font-size:clamp(34px,6vw,60px);line-height:1.15;letter-spacing:2px;font-weight:800}
.k-hero-sub{font-size:clamp(16px,2.1vw,20px);font-weight:600;letter-spacing:.5px}
.k-hero-desc{margin-top:16px;max-width:680px;color:var(--fg2);font-size:15px}
.k-hero-act{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.k-btn,.k-btn2{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;border-radius:12px;font-size:15px;transition:transform .2s,box-shadow .2s,border-color .2s,color .2s}
.k-btn{background:linear-gradient(135deg,var(--ak),#ff8a3d);color:#1a0c06;font-weight:700;box-shadow:0 10px 26px rgba(255,90,45,.3)}
.k-btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,45,.38)}
.k-btn2{border:1px solid var(--ln);background:rgba(255,255,255,.04);color:var(--fg)}
.k-btn2:hover{border-color:rgba(46,230,176,.5);color:var(--bk);transform:translateY(-2px)}
.k-hero-panel{display:grid;grid-template-columns:190px 1fr;gap:26px;align-items:center;margin-top:38px;padding:24px;border:1px solid var(--ln);border-radius:var(--r2);background:rgba(16,22,32,.75)}
.k-ring{width:170px;height:170px;margin:0 auto;padding:12px;border-radius:50%;background:conic-gradient(var(--ak) 0 66%,rgba(255,255,255,.08) 66% 100%)}
.k-ring-in{display:grid;place-items:center;width:100%;height:100%;border-radius:50%;background:#0c1219;text-align:center;font-size:14px;font-weight:600;line-height:1.5;padding:0 10px}
.k-ring-in small{display:block;margin-top:4px;font-size:12px;font-weight:400;color:var(--fg2)}
.k-tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.k-tier{padding:16px;border-radius:var(--r1);border:1px solid var(--ln);background:rgba(255,255,255,.03)}
.k-tier h3{font-size:15.5px}
.k-tier p{margin-top:8px;font-size:13.5px;color:var(--fg2);line-height:1.65}

/* 通用板块 */
.k-sec{padding:var(--pd) 0;scroll-margin-top:84px}
.k-sec--alt{background:var(--bg2);border-top:1px solid var(--ln);border-bottom:1px solid var(--ln)}
.k-head{max-width:730px;margin-bottom:32px}
.k-head h2{font-size:clamp(23px,3.3vw,31px);line-height:1.32;letter-spacing:1px;font-weight:800}
.k-lead{margin-top:12px;color:var(--fg2);font-size:15px}
.k-chip{display:inline-block;margin-top:12px;padding:3px 11px;border-radius:999px;font-size:12px;color:var(--bk);background:rgba(46,230,176,.1);border:1px solid rgba(46,230,176,.28)}

/* 指标看板 */
.k-kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.k-kpi li{padding:22px;border-radius:var(--r2);border:1px solid var(--ln);background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.01))}
.k-kpi strong{display:block;font-size:19px;letter-spacing:1px;color:var(--bk)}
.k-kpi p{margin-top:8px;font-size:13.5px;color:var(--fg2)}

/* 应援档位 */
.k-plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.k-plan{display:flex;flex-direction:column;padding:26px;border-radius:var(--r2);border:1px solid var(--ln);background:rgba(255,255,255,.03);transition:transform .2s,border-color .2s,box-shadow .2s}
.k-plan:hover{transform:translateY(-4px);border-color:rgba(255,90,45,.4);box-shadow:var(--sd)}
.k-plan--hot{border-color:rgba(255,90,45,.5);background:linear-gradient(170deg,rgba(255,90,45,.16),rgba(255,255,255,.02))}
.k-plan h3{font-size:18px}
.k-plan p{flex:1;margin-top:10px;font-size:14px;color:var(--fg2)}

/* 内容矩阵 */
.k-grid6{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.k-cell{padding:24px;border-radius:var(--r2);border:1px solid var(--ln);background:rgba(255,255,255,.03);transition:background .2s,border-color .2s,transform .2s}
.k-cell:hover{background:rgba(255,255,255,.055);border-color:rgba(46,230,176,.32);transform:translateY(-3px)}
.k-cell h3{font-size:17px;margin-bottom:8px}
.k-cell h3::before{content:"";display:inline-block;width:6px;height:6px;margin-right:9px;border-radius:50%;background:var(--ak);vertical-align:middle}
.k-cell p{font-size:14px;color:var(--fg2)}

/* 对比表 */
.k-tbl{width:100%;border-collapse:collapse;font-size:14.5px;border:1px solid var(--ln)}
.k-tbl thead th{background:rgba(255,255,255,.05);color:var(--fg2);font-size:14px;font-weight:600;letter-spacing:.5px}
.k-tbl thead th:last-child{color:var(--bk)}
.k-tbl th,.k-tbl td{padding:16px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--ln)}
.k-tbl tbody tr:last-child td{border-bottom:0}
.k-tbl td:first-child{color:var(--fg2)}
.k-tbl td:last-child{background:rgba(46,230,176,.05)}

/* 时间线 */
.k-time{margin-left:8px;border-left:2px solid rgba(255,255,255,.1)}
.k-time li{position:relative;padding:0 0 26px 26px}
.k-time li::before{content:"";position:absolute;left:-9px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--bg1);border:2px solid var(--ak)}
.k-time li:last-child{padding-bottom:0}
.k-time strong{display:block;font-size:16px}
.k-time span{display:inline-block;margin-top:5px;font-size:12px;color:var(--bk);letter-spacing:.5px}
.k-time p{margin-top:6px;font-size:14px;color:var(--fg2)}

/* 图文卡 */
.k-thumb{position:relative;overflow:hidden;border-radius:var(--r1);aspect-ratio:16/11}
.k-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.k-thumb b{position:absolute;left:10px;top:10px;padding:3px 9px;border-radius:8px;background:rgba(10,13,17,.78);color:var(--bk);font-size:12px;font-weight:600}
.k-topic{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.k-topic li{display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r2);border:1px solid var(--ln);background:rgba(255,255,255,.03);transition:transform .2s,box-shadow .2s,border-color .2s}
.k-topic li:hover{transform:translateY(-4px);box-shadow:var(--sd);border-color:rgba(255,255,255,.16)}
.k-topic li:hover .k-thumb img{transform:scale(1.06)}
.k-topic .k-thumb{border-radius:0}
.k-topic h3{padding:16px 16px 0;font-size:16px}
.k-topic p{flex:1;padding:8px 16px 0;font-size:13.5px;color:var(--fg2)}
.k-topic .k-chip{margin:12px 16px 18px}

/* 动态列表 */
.k-news{display:grid;gap:14px}
.k-news li{display:grid;grid-template-columns:180px 1fr;gap:18px;align-items:center;padding:14px;border-radius:var(--r2);border:1px solid var(--ln);background:rgba(255,255,255,.03);transition:background .2s,border-color .2s}
.k-news li:hover{background:rgba(255,255,255,.055);border-color:rgba(255,90,45,.35)}
.k-news .k-thumb{aspect-ratio:16/9}
.k-news h3{font-size:16px}
.k-news p{margin-top:6px;font-size:13.5px;color:var(--fg2)}
.k-when{margin-right:8px;font-size:12px;color:var(--bk)}

/* 排行 */
.k-rank{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px}
.k-rank li{display:flex;align-items:center;gap:13px;min-height:56px;padding:10px 14px;border-radius:var(--r1);border:1px solid var(--ln);background:rgba(255,255,255,.03)}
.k-no{flex:none;width:28px;height:28px;display:grid;place-items:center;border-radius:8px;background:rgba(255,255,255,.07);color:var(--fg2);font-size:13px;font-weight:700}
.k-rank li:nth-child(-n+3) .k-no{background:linear-gradient(135deg,var(--ak),#ff9a3d);color:#1a0c06}
.k-rank h3{flex:1;font-size:15px;font-weight:600;line-height:1.5}
.k-rank .k-chip{flex:none;margin-top:0;padding:2px 9px;font-size:11.5px}

/* 精选 */
.k-pick{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.k-pick li{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:14px;border-radius:var(--r2);border:1px solid var(--ln);background:rgba(255,255,255,.03);transition:transform .2s,box-shadow .2s}
.k-pick li:hover{transform:translateY(-3px);box-shadow:var(--sd)}
.k-pick .k-thumb{aspect-ratio:1/1}
.k-pick h3{font-size:15.5px}
.k-pick p{margin-top:6px;font-size:13.5px;color:var(--fg2)}
.k-pick .k-chip{margin-top:10px;font-size:11.5px}

/* 保障条 */
.k-safe{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.k-safe li{padding:22px;border-radius:var(--r2);border:1px solid var(--ln);background:rgba(255,255,255,.03)}
.k-safe h3{display:flex;align-items:center;gap:10px;font-size:15.5px}
.k-safe i{flex:none;width:26px;height:26px;display:grid;place-items:center;border-radius:8px;background:rgba(46,230,176,.14);color:var(--bk);font-style:normal;font-size:13px;font-weight:700}
.k-safe p{margin-top:8px;font-size:13.5px;color:var(--fg2)}

/* 问答 */
.k-qa{display:grid;gap:12px;max-width:900px}
.k-qa details{border:1px solid var(--ln);border-radius:var(--r1);background:rgba(255,255,255,.03);overflow:hidden}
.k-qa summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:54px;padding:14px 18px;font-size:15.5px;font-weight:600;cursor:pointer;list-style:none}
.k-qa summary::-webkit-details-marker{display:none}
.k-qa summary::after{content:"+";color:var(--ak);font-size:20px;line-height:1}
.k-qa details[open] summary::after{content:"−"}
.k-qa p{padding:0 18px 18px;font-size:14px;color:var(--fg2)}

/* 页脚 */
.k-foot{padding:56px 0 0;background:#070a0e;border-top:1px solid var(--ln)}
.k-foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.k-foot h4{margin-bottom:14px;font-size:14px;letter-spacing:1px}
.k-foot p,.k-foot li{font-size:13.5px;color:var(--fg2)}
.k-foot li{padding:5px 0}
.k-foot a:hover{color:var(--bk)}
.k-foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:16px;font-weight:700}
.k-foot-brand i{width:30px;height:30px;flex:none;border-radius:9px;background:linear-gradient(135deg,var(--ak),#ff9a3d);color:#1a0c06;font-style:normal;font-size:13px;font-weight:800;display:grid;place-items:center}
.k-copy{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:44px;padding:18px 0;border-top:1px solid var(--ln);font-size:13px;color:#6f7d8c}

@media (max-width:1024px){
.k-hero-panel{grid-template-columns:1fr}
.k-kpi{grid-template-columns:repeat(2,1fr)}
.k-grid6{grid-template-columns:repeat(2,1fr)}
.k-topic{grid-template-columns:repeat(2,1fr)}
.k-plans{grid-template-columns:1fr}
.k-safe{grid-template-columns:repeat(2,1fr)}
.k-pick{grid-template-columns:1fr}
.k-foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
.k-topbar{min-height:60px;gap:10px}
.k-brand{font-size:15px}
.k-brand i{width:30px;height:30px;font-size:13px}
.k-menu a{padding:0 10px;font-size:14px}
.k-join{display:none}
.k-tiers{grid-template-columns:1fr}
.k-rank{grid-template-columns:1fr}
.k-news li{grid-template-columns:120px 1fr;gap:14px}
.k-tbl{font-size:13.5px}
.k-tbl th,.k-tbl td{padding:12px 13px}
.k-sec{scroll-margin-top:76px}
}
@media (max-width:520px){
.k-kpi,.k-grid6,.k-topic,.k-safe{grid-template-columns:1fr}
.k-pick li{grid-template-columns:1fr}
.k-news li{grid-template-columns:1fr}
.k-news .k-thumb{aspect-ratio:16/9}
.k-foot-grid{grid-template-columns:1fr}
.k-hero-panel{padding:18px;gap:18px}
.k-ring{width:142px;height:142px}
.k-copy{font-size:12.5px}
}