/* ===========================================================
   Martin: No Filter Fighters — style.css  (v3 redesign)
   =========================================================== */
:root{
  --bg:#07090f; --bg2:#0c1018; --card:#141924; --card2:#1a2130;
  --fg:#f2f5fa; --soft:#bcc5d6; --mut:#828ca0;
  --acc:#ffc529; --acc2:#ff8a1f; --acc3:#ff4a3d; --cool:#4ea8ff;
  --line:#212939; --line2:#30394d;
  --r:16px; --maxw:1060px; --prose:720px;
  --sh:0 18px 40px -24px rgba(0,0,0,.95);
  --display:"Archivo Black",ui-sans-serif,system-ui,"Segoe UI",Roboto,Arial,sans-serif;
  --body:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;color:var(--fg);font:16.5px/1.72 var(--body);-webkit-font-smoothing:antialiased;
  background:radial-gradient(1100px 560px at 50% -12%,rgba(255,197,41,.08),transparent 62%),var(--bg)}
/* 细网格底纹，只在顶部可见 */
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(900px 620px at 50% 0%,#000,transparent 78%);
          mask-image:radial-gradient(900px 620px at 50% 0%,#000,transparent 78%)}
.site-header,main,.site-footer{position:relative;z-index:1}
img{max-width:100%;height:auto;display:block}
a{color:var(--acc);text-decoration:none}
a:hover{text-decoration:underline}
::selection{background:rgba(255,197,41,.3);color:#fff}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.prose{max-width:var(--prose)}
.mut{color:var(--mut);font-size:14px}

/* ---------- 吸顶导航 ---------- */
.site-header{position:sticky;top:0;z-index:30;background:rgba(7,9,15,.78);
  backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:18px;min-height:64px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;
  letter-spacing:-.015em;color:var(--fg)}
.brand:hover{text-decoration:none;color:#fff}
.brand .dot{width:10px;height:10px;border-radius:3px;transform:rotate(45deg);
  background:linear-gradient(135deg,var(--acc),var(--acc3));box-shadow:0 0 14px rgba(255,160,41,.6)}
.nav{display:flex;gap:2px;flex-wrap:wrap;margin-left:auto}
.nav a{position:relative;color:var(--mut);font-size:14.5px;font-weight:600;
  padding:8px 13px;border-radius:10px;transition:.18s}
.nav a:hover{color:var(--fg);background:rgba(255,255,255,.055);text-decoration:none}
.nav a[aria-current]{color:var(--fg);background:rgba(255,197,41,.1)}
.nav a[aria-current]::after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--acc),var(--acc3))}

/* ---------- 英雄区 ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background:radial-gradient(820px 380px at 10% -20%,rgba(255,197,41,.20),transparent 68%),
             radial-gradient(760px 360px at 92% -10%,rgba(255,74,61,.16),transparent 70%),
             linear-gradient(180deg,var(--bg2),var(--bg))}
/* 斜向条纹质感 */
.page-hero::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.028) 0 2px,transparent 2px 9px);
  -webkit-mask-image:linear-gradient(200deg,#000,transparent 62%);
          mask-image:linear-gradient(200deg,#000,transparent 62%)}
/* 底部“血条” */
.page-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--acc) 0%,var(--acc2) 38%,var(--acc3) 62%,transparent 62%)}
.page-hero .wrap{position:relative;z-index:1;padding:66px 24px 56px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:800;
  letter-spacing:.14em;text-transform:uppercase;color:var(--acc);
  background:rgba(255,197,41,.09);border:1px solid rgba(255,197,41,.3);
  padding:6px 13px;border-radius:999px;margin:0 0 20px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acc);
  box-shadow:0 0 10px var(--acc)}
h1{margin:0 0 18px;font-family:var(--display);font-weight:900;
  font-size:clamp(32px,5.6vw,54px);line-height:1.06;letter-spacing:-.015em;text-transform:uppercase;
  background:linear-gradient(176deg,#fff 34%,#aeb9cd);-webkit-background-clip:text;background-clip:text;
  color:transparent}
.lede{margin:0;font-size:18.5px;line-height:1.66;color:var(--soft);max-width:640px}
.lede em{color:var(--fg);font-style:italic}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-flex;align-items:center;gap:9px;border:0;border-radius:12px;
  background:linear-gradient(135deg,var(--acc),var(--acc2));color:#15120a;
  font-weight:800;font-size:15.5px;padding:14px 24px;letter-spacing:.01em;
  box-shadow:0 10px 26px -10px rgba(255,160,41,.65);transition:transform .18s,box-shadow .18s}
.btn:hover{text-decoration:none;transform:translateY(-2px);box-shadow:0 16px 32px -12px rgba(255,160,41,.8)}
.btn-ghost{background:rgba(255,255,255,.03);color:var(--fg);border:1px solid var(--line2);box-shadow:none}
.btn-ghost:hover{background:rgba(255,255,255,.07);box-shadow:none}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:38px 0 0}
.stats div{position:relative;overflow:hidden;padding:18px 18px 16px;border-radius:14px;
  border:1px solid var(--line);background:linear-gradient(180deg,var(--card2),var(--card));
  box-shadow:var(--sh)}
.stats div::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;
  background:linear-gradient(90deg,var(--acc),var(--acc3))}
.stats .num{display:block;font-family:var(--display);font-size:clamp(24px,3.2vw,30px);
  line-height:1.05;letter-spacing:-.02em;margin-bottom:5px;
  background:linear-gradient(135deg,#fff,var(--acc));-webkit-background-clip:text;background-clip:text;
  color:transparent}
.stats .lab{display:block;font-size:11.5px;color:var(--mut);font-weight:700;
  text-transform:uppercase;letter-spacing:.11em}

/* ---------- 排版 ---------- */
main section,.section{padding:46px 0}
h2{font-size:clamp(23px,3vw,30px);line-height:1.22;letter-spacing:-.02em;font-weight:800;
  margin:0 0 16px;display:flex;align-items:center;gap:13px}
h2::before{content:"";width:5px;height:26px;border-radius:3px;flex:none;
  background:linear-gradient(180deg,var(--acc),var(--acc3));box-shadow:0 0 14px rgba(255,140,41,.4)}
h3{font-size:18px;font-weight:700;margin:26px 0 7px;letter-spacing:-.012em;color:var(--fg)}
p,li{color:var(--soft)}
p{margin:0 0 15px}
ul,ol{padding-left:22px;margin:0 0 18px}
li{margin:6px 0}
li::marker{color:var(--acc)}
strong{color:var(--fg);font-weight:700}
h1 strong,h2 strong{color:inherit}

/* ---------- 卡片 / Quick facts ---------- */
.card{background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);
  border-radius:var(--r);padding:22px 24px;margin:24px 0;box-shadow:var(--sh)}
.card.callout{position:relative;padding-left:26px;border-left:0;overflow:hidden}
.card.callout::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--acc),var(--acc3))}
.facts{display:grid;grid-template-columns:150px 1fr;gap:0;margin:0;font-size:15px}
.facts dt{color:var(--mut);font-weight:700;font-size:12.5px;text-transform:uppercase;
  letter-spacing:.07em;padding:10px 0;border-top:1px solid var(--line)}
.facts dd{margin:0;color:var(--fg);padding:10px 0;border-top:1px solid var(--line)}
.facts dt:first-of-type,.facts dd:first-of-type{border-top:0;padding-top:0}

/* ---------- 角色卡 ---------- */
.char-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:26px 0}
.char-card{position:relative;overflow:hidden;padding:20px;border-radius:var(--r);
  border:1px solid var(--line);background:linear-gradient(180deg,var(--card2),var(--card));
  box-shadow:var(--sh);transition:transform .18s,border-color .18s}
.char-card:hover{transform:translateY(-3px);border-color:var(--line2)}
.char-card::after{content:"";position:absolute;inset:0 0 auto 0;height:3px;opacity:0;transition:.18s;
  background:linear-gradient(90deg,var(--acc),var(--acc3))}
.char-card:hover::after{opacity:1}
.char-top{display:flex;align-items:center;gap:13px;margin-bottom:12px}
.avatar{width:50px;height:50px;flex:none;border-radius:14px;display:grid;place-items:center;
  font-family:var(--display);font-size:21px;color:#141414;
  background:linear-gradient(135deg,var(--acc),var(--acc2));
  box-shadow:0 0 0 1px rgba(255,255,255,.1) inset,0 8px 20px -10px rgba(255,160,41,.9)}
.avatar.v2{background:linear-gradient(135deg,#7be0ff,#3a8dff);color:#061322;
  box-shadow:0 0 0 1px rgba(255,255,255,.1) inset,0 8px 20px -10px rgba(58,141,255,.9)}
.avatar.v3{background:linear-gradient(135deg,#ff9de0,#a855f7);color:#17091f;
  box-shadow:0 0 0 1px rgba(255,255,255,.1) inset,0 8px 20px -10px rgba(168,85,247,.9)}
.avatar.v4{background:linear-gradient(135deg,#a3e635,#22c55e);color:#05160b;
  box-shadow:0 0 0 1px rgba(255,255,255,.1) inset,0 8px 20px -10px rgba(34,197,94,.9)}
.char-card h3{margin:0;font-size:17.5px;letter-spacing:-.015em}
.char-card .tag{display:inline-block;font-size:10.5px;font-weight:800;letter-spacing:.11em;
  text-transform:uppercase;color:var(--mut);border:1px solid var(--line2);border-radius:999px;
  padding:3px 10px;margin-bottom:10px}
.char-card p{margin:0;font-size:14.8px;line-height:1.65}
.char-card .super{display:block;margin-top:12px;padding-top:11px;border-top:1px solid var(--line);
  font-size:13px;color:var(--mut)}
.char-card .super b{color:var(--acc);font-weight:700}

/* ---------- 步骤 ---------- */
.steps{list-style:none;padding:0;margin:24px 0;counter-reset:s}
.steps li{counter-increment:s;position:relative;padding:0 0 0 50px;margin:0 0 18px;color:var(--soft)}
.steps li::before{content:counter(s);position:absolute;left:0;top:-1px;width:32px;height:32px;
  border-radius:10px;display:grid;place-items:center;font-size:14px;font-weight:800;color:#15120a;
  background:linear-gradient(135deg,var(--acc),var(--acc2));box-shadow:0 8px 18px -10px rgba(255,160,41,.9)}
.steps b{color:var(--fg)}

/* ---------- 表格 ---------- */
table{width:100%;border-collapse:separate;border-spacing:0;margin:22px 0;font-size:15px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  box-shadow:var(--sh)}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td,tr:last-child th{border-bottom:0}
th{color:var(--mut);font-weight:800;font-size:12px;text-transform:uppercase;letter-spacing:.09em;
  background:var(--bg2)}
td{color:var(--soft)}
tbody tr:hover td{background:rgba(255,255,255,.02)}

/* ---------- 模式条目 ---------- */
.mode{display:grid;gap:14px;margin:24px 0}
.mode-item{position:relative;overflow:hidden;padding:18px 20px;border-radius:var(--r);
  border:1px solid var(--line);background:linear-gradient(90deg,var(--card2),var(--card));
  transition:border-color .18s}
.mode-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--acc),var(--acc3))}
.mode-item:hover{border-color:var(--line2)}
.mode-item h3{margin:0 0 7px;font-size:17px}
.mode-item p{margin:0;font-size:15px}

/* ---------- 提示条 ---------- */
.note{position:relative;padding:16px 20px 16px 48px;margin:22px 0;font-size:15px;border-radius:var(--r);
  background:rgba(255,197,41,.06);border:1px solid rgba(255,197,41,.24);color:var(--soft)}
.note::before{content:"!";position:absolute;left:18px;top:16px;width:20px;height:20px;border-radius:50%;
  display:grid;place-items:center;font-size:13px;font-weight:900;color:#15120a;background:var(--acc)}
.note b{color:var(--acc)}

/* ---------- 相关链接 ---------- */
.links-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:24px 0}
.link-card{display:block;position:relative;padding:18px 44px 18px 20px;border-radius:14px;
  border:1px solid var(--line);background:linear-gradient(180deg,var(--card2),var(--card));
  color:var(--fg);font-weight:700;font-size:15.5px;transition:.18s}
.link-card::after{content:"→";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  color:var(--acc);font-weight:700;transition:.18s}
.link-card:hover{text-decoration:none;border-color:var(--line2);transform:translateY(-2px)}
.link-card:hover::after{right:14px}
.link-card span{display:block;font-weight:500;font-size:13.5px;color:var(--mut);margin-top:4px}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg2);margin-top:64px;padding:38px 0 52px}
.site-footer p{font-size:13.5px;color:var(--mut);line-height:1.68}
.site-footer .wrap{max-width:var(--maxw)}
.site-footer .copy{margin:16px 0 0;font-size:13px;color:#636b7c}

/* ---------- 响应式 ---------- */
@media(max-width:960px){
  .char-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  .page-hero .wrap{padding:44px 20px 40px}
  .wrap{padding:0 18px}
  .nav{width:100%;margin:0 0 10px;gap:0}
  .nav a{padding:7px 10px;font-size:14px}
  .stats{grid-template-columns:repeat(2,1fr);gap:10px}
  .char-grid,.links-grid{grid-template-columns:1fr}
  main section,.section{padding:34px 0}
  .facts{grid-template-columns:1fr;gap:0}
  .facts dt{padding:10px 0 0;border-top:1px solid var(--line)}
  .facts dd{padding:2px 0 10px;border-top:0}
  .facts dd:first-of-type{padding-top:2px}
  .btn{width:100%;justify-content:center}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important}
  .btn:hover,.char-card:hover,.link-card:hover{transform:none}
}

/* ---------- 英雄区擂台图形 ---------- */
.hero-grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);
  gap:44px;align-items:center}
.hero-copy .lede{max-width:560px}
.hero-art{justify-self:center;width:100%;max-width:470px}
.arena{width:100%;height:auto;display:block;overflow:visible;
  filter:drop-shadow(0 34px 48px rgba(0,0,0,.6))}
.arena .f1{animation:bob 2.6s ease-in-out infinite}
.arena .f2{animation:bob 3.2s ease-in-out .35s infinite}
.arena .spark{transform-box:fill-box;transform-origin:center;opacity:0;
  animation:spark 2.6s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
@keyframes spark{0%,58%,100%{opacity:0;transform:scale(.55)}
                 68%{opacity:1;transform:scale(1)}
                 86%{opacity:0;transform:scale(1.25)}}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:26px}
  .hero-art{max-width:400px}
}
@media(max-width:560px){.hero-art{max-width:320px}}
@media(prefers-reduced-motion:reduce){
  .arena .f1,.arena .f2,.arena .spark{animation:none}
  .arena .spark{opacity:.9}
}

/* ---------- 宽度分层（追加到文件末尾） ---------- */
:root{--maxw:1180px;--prose:760px}

/* 正文容器放宽，不再被 .prose 锁死 */
.wrap.prose{max-width:var(--maxw)}

/* 纯文字块保持易读行长并居中 */
.wrap.prose > section > :where(p,h2,h3,h4,ul,ol,dl,blockquote){
  max-width:var(--prose);margin-inline:auto}

/* 卡片 / 提示条 / 表格：中等宽度 */
.wrap.prose > section > :where(.card,.note,table,.steps){
  max-width:880px;margin-inline:auto}

/* 结构性网格撑满容器 */
.wrap.prose > section > :where(.char-grid,.links-grid,.mode){
  max-width:none}

/* 宽屏下让网格多排一列 */
.char-grid{grid-template-columns:repeat(auto-fill,minmax(290px,1fr))}
.mode{grid-template-columns:repeat(2,1fr)}
.mode-item:first-child:nth-last-child(5){grid-column:1/-1}

@media(max-width:860px){
  .mode{grid-template-columns:1fr}
  .wrap.prose > section > *{max-width:none}
}