/* ============================================================
   雷神加速器资源站 · 全站样式
   暖纸色底 + 墨色文字 + 雷神橙点缀 · 编辑式紧凑排版
   ============================================================ */
:root{
  --paper:#faf9f6;
  --paper-2:#f4f1ea;
  --ink:#26231e;
  --ink-2:#5b554b;
  --ink-3:#8a8378;
  --line:#e6e1d6;
  --line-2:#d8d2c4;
  --org:#e8641b;
  --org-deep:#c94f0d;
  --org-soft:#fdf0e6;
  --dark:#171310;
  --dark-2:#221c16;
  --ok:#3d8b4f;
  --radius:10px;
  --shadow:0 1px 2px rgba(38,35,30,.04),0 8px 28px -14px rgba(38,35,30,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--paper);color:var(--ink);
  font-size:15px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}
.serif{font-family:"Noto Serif SC","Source Han Serif SC","STSong","SimSun",serif}

/* ---------- 顶部导航 ---------- */
.topbar{position:sticky;top:0;z-index:90;background:rgba(250,249,246,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-in{display:flex;align-items:center;gap:28px;height:60px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{width:30px;height:30px}
.brand .bt{font-weight:700;font-size:16px;letter-spacing:.5px}
.brand .bs{font-size:11px;color:var(--ink-3);letter-spacing:1.5px;margin-top:1px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{font-size:14px;color:var(--ink-2);padding:7px 13px;border-radius:6px;transition:.18s}
.nav a:hover{color:var(--ink);background:var(--paper-2)}
.nav a.on{color:var(--org-deep);font-weight:600;background:var(--org-soft)}
.top-cta{flex-shrink:0}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;
  padding:11px 26px;border-radius:8px;transition:.18s;line-height:1.4;border:1px solid transparent;user-select:none}
.btn svg{width:17px;height:17px;flex-shrink:0}
.btn-primary{background:var(--org);color:#fff;box-shadow:0 6px 16px -6px rgba(232,100,27,.45)}
.btn-primary:hover{background:var(--org-deep)}
.btn-ghost{border-color:var(--line-2);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--org);color:var(--org-deep)}
.btn-lg{padding:14px 34px;font-size:16px;border-radius:9px}
.btn-sm{padding:7px 16px;font-size:13px}
.btn-block{width:100%}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--ink-3);padding:18px 0 0}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--org-deep)}
.crumb .sep{margin:0 8px;color:var(--line-2)}

/* ---------- HERO（首页） ---------- */
.hero{margin-top:20px;background:linear-gradient(135deg,var(--dark) 0%,var(--dark-2) 55%,#2a2015 100%);
  border-radius:16px;overflow:hidden;position:relative;color:#f2ede4}
.hero::after{content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,100,27,.16),transparent 65%);pointer-events:none}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:52px 54px;position:relative;z-index:1}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2.5px;color:#e8a06b;
  border:1px solid rgba(232,100,27,.4);padding:5px 14px;border-radius:99px;margin-bottom:20px}
.hero-kicker i{width:6px;height:6px;border-radius:50%;background:var(--org);display:inline-block}
.hero h1{font-size:37px;line-height:1.32;font-weight:700;letter-spacing:.5px;color:#faf6ee}
.hero h1 em{font-style:normal;color:#ff9a4d}
.hero .sub{margin-top:14px;font-size:15px;color:#b8b0a2;max-width:520px}
.hero-ver{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.hero-ver span{font-size:12.5px;color:#d8d0c2;border:1px solid rgba(216,208,194,.25);padding:4px 12px;border-radius:99px}
.hero-acts{display:flex;gap:13px;margin-top:30px;flex-wrap:wrap}
.hero-shot{position:relative}
.hero-shot img{border-radius:10px;box-shadow:0 24px 60px -18px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.07)}
.hero-shot .shot-cap{position:absolute;left:14px;bottom:12px;font-size:11.5px;color:rgba(250,246,238,.85);
  background:rgba(23,19,16,.72);padding:4px 12px;border-radius:99px;backdrop-filter:blur(4px)}

/* ---------- 速览条 ---------- */
.strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:12px;background:#fff;
  margin-top:18px;overflow:hidden;box-shadow:var(--shadow)}
.strip>div{padding:20px 26px;border-right:1px solid var(--line)}
.strip>div:last-child{border-right:none}
.strip b{display:block;font-size:24px;font-weight:700;letter-spacing:.3px}
.strip b i{font-style:normal;color:var(--org);font-size:15px;margin-left:2px}
.strip span{font-size:12.5px;color:var(--ink-3)}

/* ---------- 区块骨架 ---------- */
.sec{margin-top:58px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:24px;gap:20px}
.kicker{font-size:12px;letter-spacing:2.5px;color:var(--org-deep);font-weight:600;display:flex;align-items:center;gap:9px}
.kicker::before{content:attr(data-n);font-size:11px;color:var(--ink-3);border:1px solid var(--line-2);border-radius:4px;padding:1px 6px;letter-spacing:1px}
.sec-head h2{font-size:26px;font-weight:700;margin-top:9px;letter-spacing:.3px}
.sec-head p{font-size:13.5px;color:var(--ink-3);max-width:520px;text-align:right}
.more{font-size:13px;color:var(--org-deep);white-space:nowrap;font-weight:600}
.more:hover{text-decoration:underline}

/* ---------- 功能卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.fcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 24px 21px;transition:.2s;position:relative;overflow:hidden}
.fcard:hover{border-color:var(--line-2);box-shadow:var(--shadow);transform:translateY(-2px)}
.fcard .fic{width:40px;height:40px;border-radius:9px;background:var(--org-soft);display:flex;align-items:center;justify-content:center;margin-bottom:15px}
.fcard .fic svg{width:21px;height:21px;stroke:var(--org-deep);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.fcard h3{font-size:16.5px;font-weight:700;margin-bottom:7px}
.fcard p{font-size:13.5px;color:var(--ink-2)}
.fcard .fno{position:absolute;right:16px;top:14px;font-size:12px;color:var(--line-2);font-weight:700;letter-spacing:1px}

/* ---------- 图集 ---------- */
.shots{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.shot{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s}
.shot:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.shot .ph{background:#1a1611;overflow:hidden}
.shot img{width:100%;height:150px;object-fit:cover;object-position:top;transition:.35s}
.shot:hover img{transform:scale(1.03)}
.shot .cap{padding:11px 14px;font-size:13px;font-weight:600}
.shot .cap small{display:block;font-weight:400;color:var(--ink-3);font-size:12px;margin-top:2px}

/* ---------- 官方横幅特性 ---------- */
.banners{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.banner{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#171310;position:relative}
.banner img{width:100%;display:block}
.banner .bl{position:absolute;left:0;bottom:0;right:0;padding:26px 24px 18px;font-size:12.5px;color:rgba(255,255,255,.85);
  background:linear-gradient(transparent,rgba(10,8,6,.72))}
.banner-wide{grid-column:1/-1}

/* ---------- 下载区（首页 & 下载页通用卡片） ---------- */
.dl-panel{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.dl-panel-head{display:flex;align-items:center;justify-content:space-between;padding:20px 28px;border-bottom:1px dashed var(--line);flex-wrap:wrap;gap:12px}
.dl-panel-head h3{font-size:18px;font-weight:700}
.dl-panel-head .vtag{font-size:12.5px;color:var(--org-deep);background:var(--org-soft);border-radius:99px;padding:4px 13px;font-weight:600}
.pan-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
.pan{padding:26px 28px;display:flex;flex-direction:column;gap:16px}
.pan+.pan{border-left:1px dashed var(--line)}
.pan-top{display:flex;align-items:center;gap:11px}
.pan-ico{width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:700}
.pan-ico.qk{background:linear-gradient(135deg,#3f6bef,#2f4fd0)}
.pan-ico.bd{background:linear-gradient(135deg,#2e64d8,#1c4bb0)}
.pan-top b{font-size:16.5px;display:block}
.pan-top small{color:var(--ink-3);font-size:12.5px}
.pan-note{font-size:13px;color:var(--ink-2);background:var(--paper-2);border-radius:8px;padding:11px 14px;line-height:1.7}
.pan-note b{color:var(--org-deep)}

/* ---------- 三步 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:relative}
.step .sno{font-size:13px;font-weight:700;color:var(--org-deep);letter-spacing:1px;margin-bottom:9px;display:flex;align-items:center;gap:8px}
.step .sno::after{content:"";flex:1;height:1px;background:var(--line)}
.step h3{font-size:16px;margin-bottom:6px}
.step p{font-size:13.5px;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin-bottom:11px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 22px;font-size:15px;font-weight:600;display:flex;align-items:center;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .qm{color:var(--org-deep);font-weight:700;font-family:Georgia,serif;flex-shrink:0}
.faq-item summary .tg{margin-left:auto;color:var(--ink-3);transition:.2s;font-size:18px;line-height:1}
.faq-item[open] summary .tg{transform:rotate(45deg);color:var(--org-deep)}
.faq-item .fa-body{padding:0 22px 18px 46px;font-size:13.8px;color:var(--ink-2)}

/* ---------- 文档页（features/guide/faq/versions/download） ---------- */
.doc{display:grid;grid-template-columns:230px 1fr;gap:34px;margin-top:26px;align-items:start}
.toc{position:sticky;top:84px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:18px 0;font-size:13.5px}
.toc .tt{font-size:11.5px;letter-spacing:2px;color:var(--ink-3);padding:0 20px 10px;border-bottom:1px solid var(--line);margin-bottom:8px}
.toc a{display:block;padding:7px 20px;color:var(--ink-2);border-left:2px solid transparent}
.toc a:hover{color:var(--org-deep);background:var(--paper)}
.doc-main{min-width:0}
.doc-main .lead{font-size:14.5px;color:var(--ink-2);border-left:3px solid var(--org);padding:2px 0 2px 16px;margin-bottom:28px}
.doc h2{font-size:21px;margin:38px 0 14px;padding-top:14px;border-top:1px solid var(--line);letter-spacing:.3px}
.doc h2:first-of-type{border-top:none;padding-top:0;margin-top:0}
.doc h3{font-size:16.5px;margin:22px 0 9px}
.doc p{margin:10px 0;color:var(--ink-2);font-size:14.2px}
.doc p b,.doc li b{color:var(--ink)}
.doc ul,.doc ol{padding-left:22px;margin:10px 0;color:var(--ink-2);font-size:14.2px}
.doc li{margin:6px 0}
.doc img.border{border:1px solid var(--line);border-radius:var(--radius);margin:14px 0;box-shadow:var(--shadow)}
.doc .imgcap{font-size:12.5px;color:var(--ink-3);text-align:center;margin:-8px 0 16px}
.callout{background:var(--org-soft);border:1px solid #f3d9c2;border-radius:9px;padding:14px 18px;font-size:13.8px;color:#7c4313;margin:16px 0;line-height:1.8}
.callout b{color:var(--org-deep)}

/* ---------- 信息表 ---------- */
.info-table{width:100%;border-collapse:collapse;font-size:13.8px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.info-table th,.info-table td{padding:12px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.info-table th{width:150px;background:var(--paper-2);font-weight:600;color:var(--ink-2);white-space:nowrap}
.info-table tr:last-child td{border-bottom:none}

/* ---------- 页脚 ---------- */
.footer{margin-top:76px;border-top:1px solid var(--line);background:#f5f2eb}
.footer-in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding:42px 0 30px}
.footer .fb{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer .fb img{width:26px;height:26px}
.footer .fb b{font-size:15px}
.footer p{font-size:13px;color:var(--ink-3);max-width:400px}
.footer h4{font-size:13px;letter-spacing:1.5px;color:var(--ink-2);margin-bottom:13px}
.footer li{list-style:none;margin:7px 0}
.footer li a{font-size:13.5px;color:var(--ink-3)}
.footer li a:hover{color:var(--org-deep)}
.footer-bottom{border-top:1px solid var(--line);padding:17px 0;font-size:12.5px;color:var(--ink-3);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.footer-bottom .dis{color:var(--ink-2)}

/* ---------- Toast ---------- */
#lsToast{position:fixed;left:50%;bottom:44px;transform:translateX(-50%) translateY(16px);background:rgba(23,19,16,.92);color:#f5f1e8;
  font-size:13.5px;padding:11px 22px;border-radius:99px;z-index:999;opacity:0;transition:.28s;pointer-events:none;backdrop-filter:blur(6px)}
#lsToast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 下载弹窗（PC） ---------- */
#lsMask{position:fixed;inset:0;background:rgba(20,16,12,.55);backdrop-filter:blur(3px);z-index:990;display:none;align-items:center;justify-content:center;padding:20px}
#lsMask.show{display:flex}
.modal{background:#fdfcf9;border-radius:16px;max-width:660px;width:100%;overflow:hidden;box-shadow:0 30px 80px -20px rgba(0,0,0,.4);
  animation:pop .26s cubic-bezier(.2,.9,.3,1.2)}
@keyframes pop{from{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 26px;border-bottom:1px solid var(--line)}
.modal-head h3{font-size:17px;font-weight:700;display:flex;align-items:center;gap:10px}
.modal-head h3 .pan-ico{width:32px;height:32px;border-radius:8px;font-size:12.5px}
.modal-close{font-size:22px;color:var(--ink-3);line-height:1;padding:4px 8px;border-radius:6px;transition:.15s}
.modal-close:hover{color:var(--ink);background:var(--paper-2)}
.modal-body{display:flex;gap:34px;padding:30px 32px 32px;align-items:center}
.modal-qr{flex-shrink:0;text-align:center}
.halo{display:inline-block;border-radius:14px;padding:9px;background:#fff;border:1px solid var(--line);
  animation:haloBreath 2.8s ease-in-out infinite}
.halo img{width:172px;height:172px;border-radius:8px}
@keyframes haloBreath{
  0%,100%{transform:scale(1);box-shadow:0 0 0 0 rgba(232,100,27,.30)}
  50%{transform:scale(1.033);box-shadow:0 0 0 13px rgba(232,100,27,0)}
}
.modal-qr .scan-tip{margin-top:11px;font-size:13px;color:var(--ink-2);font-weight:600}
.modal-qr .scan-app{margin-top:3px;font-size:12px;color:var(--ink-3)}
.modal-info{flex:1;min-width:0}
.modal-info h4{font-size:17px;margin-bottom:13px}
.modal-info ul{list-style:none}
.modal-info li{display:flex;gap:9px;font-size:13.8px;color:var(--ink-2);margin:9px 0;line-height:1.65}
.modal-info li svg{width:16px;height:16px;stroke:var(--ok);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;margin-top:4px}
.modal-info .warn{margin-top:14px;font-size:12.8px;color:#a05514;background:var(--org-soft);border-radius:8px;padding:10px 14px;line-height:1.7}
.modal-foot{padding:0 32px 24px;font-size:12px;color:var(--ink-3);text-align:center}

/* ---------- 响应式 ---------- */
@media(max-width:960px){
  .hero-in{grid-template-columns:1fr;padding:36px 28px}
  .shots{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr 1fr}
  .doc{grid-template-columns:1fr}
  .toc{position:static;display:none}
  .footer-in{grid-template-columns:1fr 1fr}
  .strip{grid-template-columns:1fr 1fr}
  .strip>div:nth-child(2){border-right:none}
  .strip>div:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media(max-width:640px){
  .nav{display:none}
  .hero h1{font-size:27px}
  .grid-3,.steps{grid-template-columns:1fr}
  .pan-grid{grid-template-columns:1fr}
  .pan+.pan{border-left:none;border-top:1px dashed var(--line)}
  .modal-body{flex-direction:column;text-align:center;gap:22px}
  .modal-info li{justify-content:flex-start;text-align:left}
  .banners{grid-template-columns:1fr}
  .footer-in{grid-template-columns:1fr;gap:26px}
  .sec-head p{display:none}
}