/* 每日大赛官网 全站样式 —— 赛事数据中心版式：深林绿主调、圆角卡片、原生表格 */
:root{
  --ink:#0f2b23;
  --ink-soft:#1c4b3c;
  --jade:#0e8f70;
  --jade-deep:#0a6b55;
  --lime:#d9f27a;
  --amber:#ff8a3d;
  --sand:#f7f7f2;
  --paper:#ffffff;
  --line:#e2e8e2;
  --muted:#65786f;
  --dark:#0a1f1a;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:#22302b;background:var(--sand);line-height:1.8;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--jade-deep);text-decoration:none}
a:hover{text-decoration:underline}
ul,ol{padding-left:1.2em}
li{margin:6px 0}
:focus-visible{outline:2px solid var(--jade);outline-offset:2px}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}

/* 顶部工具条 */
.topbar{background:var(--dark);color:#b9ccc4;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px}
.topbar nav a{color:#cfdfd7;margin-left:18px}
.topbar nav a:hover{color:var(--lime);text-decoration:none}

/* 主导航 */
.site-head{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.head-main{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-mark{
  width:44px;height:44px;border-radius:12px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;font-size:22px;font-weight:700;flex:none
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:19px;color:var(--ink);letter-spacing:.5px}
.brand-text em{font-size:11px;color:var(--muted);font-style:normal;letter-spacing:2px}
.mainnav{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}
.mainnav::-webkit-scrollbar{display:none}
.mainnav a{
  padding:8px 12px;border-radius:8px;color:var(--ink-soft);font-size:14.5px;white-space:nowrap
}
.mainnav a:hover{background:#eef6f0;text-decoration:none}
.mainnav a[aria-current="page"]{background:var(--ink);color:var(--lime)}

/* 面包屑 */
.crumb{font-size:13px;color:var(--muted);padding:14px 0 0}
.crumb a{color:var(--muted)}
.crumb span{margin:0 6px}

/* 首屏 */
.hero{
  background:
    radial-gradient(1200px 420px at 82% -10%, rgba(217,242,122,.22), transparent 60%),
    radial-gradient(900px 400px at 6% 110%, rgba(14,143,112,.35), transparent 62%),
    var(--dark);
  color:#eef5f1;
}
.hero-inner{padding:64px 24px 72px;max-width:1160px;margin:0 auto}
.eyebrow{font-size:12px;letter-spacing:3px;color:var(--lime);text-transform:uppercase}
.hero h1{font-size:40px;line-height:1.3;margin:16px 0 18px;letter-spacing:.5px;max-width:840px;color:#fff}
.hero p.lede{font-size:17px;color:#c4d6ce;max-width:720px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 0}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:10px;
  background:var(--lime);color:#12241c;font-weight:600;font-size:15px;border:1px solid var(--lime)
}
.btn:hover{text-decoration:none;background:#e7fa9c}
.btn.ghost{background:transparent;color:#e8f2ec;border-color:rgba(232,242,236,.45)}
.btn.ghost:hover{background:rgba(255,255,255,.08)}
.hero-facts{display:flex;gap:26px;flex-wrap:wrap;margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);list-style:none;padding-left:0}
.hero-facts li{margin:0;font-size:14px;color:#a8c0b6}
.hero-facts b{display:block;font-size:22px;color:#fff;font-weight:700}

/* 区块 */
section{padding:56px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:28px}
h2{font-size:28px;line-height:1.35;color:var(--ink);letter-spacing:.4px}
h3{font-size:19px;color:var(--ink-soft);margin-bottom:8px}
.sub{color:var(--muted);font-size:15px;margin-top:6px;max-width:720px}
.more{font-size:14px;white-space:nowrap}

/* 数据条 */
.stat-band{background:var(--ink);color:#dcece4;border-radius:var(--radius);padding:26px 30px}
.stat-band ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-band li{margin:0}
.stat-band b{display:block;font-size:30px;color:var(--lime);line-height:1.2}
.stat-band span{font-size:13.5px;color:#a9c3b8}

/* 卡片网格 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;position:relative;overflow:hidden
}
.card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--jade)}
.card:nth-child(2n)::before{background:var(--amber)}
.card:nth-child(3n)::before{background:#7d9be8}
.card h3{margin-bottom:10px}
.card p{color:#48594f;font-size:14.8px}
.card .tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tag{font-size:12.5px;padding:3px 10px;border-radius:999px;background:#eef6ea;color:var(--jade-deep);white-space:nowrap}

/* 表格 */
.table-wrap{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:640px}
caption{caption-side:top;text-align:left;padding:16px 20px 10px;color:var(--muted);font-size:13.5px}
th,td{padding:12px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:#f1f7f2;color:var(--ink);font-weight:600;white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fafcf8}
td.num{font-variant-numeric:tabular-nums;white-space:nowrap}
.status{font-size:12.5px;padding:2px 9px;border-radius:6px;background:#eef6ea;color:var(--jade-deep);white-space:nowrap}
.status.soon{background:#fff3e6;color:#b45f16}
.status.closed{background:#f2f3f4;color:#6b7b84}

/* 目录 */
.toc{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;margin:0 0 8px}
.toc h2{font-size:16px;letter-spacing:1px;color:var(--muted);font-weight:600;margin-bottom:10px}
.toc ol{columns:2;column-gap:32px;font-size:14.5px}
.toc a{color:var(--ink-soft)}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.steps li{list-style:none;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:0;counter-increment:s}
.steps li::before{content:counter(s,decimal-leading-zero);display:block;font-size:13px;letter-spacing:2px;color:var(--jade);margin-bottom:10px}
.steps li b{display:block;font-size:16px;color:var(--ink);margin-bottom:6px}
.steps li p{font-size:14px;color:#50625a}

/* 提示块 */
.note{border-left:4px solid var(--amber);background:#fff8f1;border-radius:0 10px 10px 0;padding:16px 20px;font-size:14.5px;color:#5b4a3a;margin:24px 0}

/* 侧栏图文 */
.split{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:start}
.aside{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.aside h3{font-size:17px}
.aside ul{font-size:14.2px;color:#4c5d54}

/* 详情展开 */
.faq{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:8px 26px}
details{border-bottom:1px solid var(--line);padding:16px 0}
details:last-child{border-bottom:none}
summary{cursor:pointer;font-weight:600;color:var(--ink);font-size:15.5px;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--jade);font-weight:700}
details[open] summary::after{content:"−"}
details p{margin-top:10px;font-size:14.6px;color:#4d5f56}

/* 结束行动 */
.cta{background:linear-gradient(120deg,var(--ink) 0,#124033 60%,#0d5a45 100%);color:#eaf4ee;border-radius:var(--radius);padding:40px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta h2{color:#fff;font-size:26px}
.cta p{color:#bcd3c9;font-size:15px;margin-top:6px}

/* 页脚 */
.site-foot{background:var(--dark);color:#a9c1b7;margin-top:64px;padding:52px 0 0;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:28px;padding-bottom:40px}
.foot-brand strong{color:#fff;font-size:18px;display:block;margin-bottom:10px}
.foot-brand p{color:#93aca1;font-size:13.6px;max-width:300px}
.foot-grid h3{color:#fff;font-size:14px;letter-spacing:1px;margin-bottom:12px}
.foot-grid ul{list-style:none;padding:0}
.foot-grid li{margin:8px 0}
.foot-grid a{color:#a9c1b7}
.foot-grid a:hover{color:var(--lime);text-decoration:none}
.social{display:flex;gap:10px;flex-wrap:wrap}
.social a{border:1px solid rgba(255,255,255,.2);border-radius:8px;padding:6px 12px;font-size:13px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 24px;display:flex;justify-content:space-between;gap:16px;font-size:12.8px;color:#7f978c;flex-wrap:wrap}

/* 响应式 */
@media (max-width:960px){
  .grid-3,.grid-2,.steps{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .stat-band ul{grid-template-columns:1fr 1fr}
  .hero h1{font-size:32px}
  .head-main{flex-direction:column;align-items:flex-start;gap:12px}
  .mainnav{width:100%}
}
@media (max-width:600px){
  .grid-3,.grid-2,.steps,.foot-grid{grid-template-columns:1fr}
  .hero-inner{padding:44px 24px 52px}
  .hero h1{font-size:27px}
  h2{font-size:23px}
  .toc ol{columns:1}
  .cta{padding:28px}
  section{padding:40px 0}
}