:root{
--bg:#05030c;--surface:rgba(20,14,46,.65);--surface-alt:rgba(10,6,26,.85);
--ink:#f5f1ff;--body:#c9c2e8;--muted:#9a92c0;--line:hsla(39,55%,62%,.18);
--brand:#d4af6a;--brand-soft:#140e2e;--accent:#f6d98a;
--hero-from:#0a0620;--hero-to:#1a1038;
--radius:12px;--shadow:0 1px 2px rgba(0,0,0,.2),0 8px 28px rgba(0,0,0,.18);
--font-heading:"Metamorphous", "Cinzel", Georgia, "Times New Roman", serif;--font-body:system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--body);font:17px/1.75 var(--font-body);position:relative;min-height:100vh}

/* ── 星空质感背景（实测 farevergame 做法：双伪元素，零图片零请求） ──
   ::before = 三条彩色光晕；::after = 网格叠径向遮罩。这是"看起来贵"的最大单一来源。 */
body::before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
background:
radial-gradient(60rem 40rem at 12% 8%,color-mix(in srgb,var(--accent) 18%,transparent),transparent 60%),
radial-gradient(50rem 34rem at 88% 12%,color-mix(in srgb,var(--brand) 12%,transparent),transparent 60%),
radial-gradient(58rem 38rem at 50% 100%,color-mix(in srgb,var(--brand) 10%,transparent),transparent 62%),
var(--bg)}
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 0),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 0);
background-size:56px 56px;
-webkit-mask-image:radial-gradient(ellipse at center,#000 20%,transparent 75%);
mask-image:radial-gradient(ellipse at center,#000 20%,transparent 75%)}
img,iframe,video{max-width:100%;height:auto;border-radius:10px}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,.brand,.art-title{font-family:var(--font-heading)}

/* ── 双层导航（farevergame 范式：主导航=大类，次导航=高频工具页） ── */
.site-header{background:linear-gradient(180deg,var(--surface),var(--bg));border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(10px)}
.site-header .bar{max-width:1160px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.site-header .brand{color:var(--ink);font-weight:700;font-size:1.2rem;letter-spacing:.02em;display:flex;flex-direction:column;line-height:1.15}
.site-header .brand:hover{text-decoration:none;color:var(--brand)}
.site-header .brand .sub{font-family:var(--font-body);font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-top:3px}
.site-header nav.primary{display:flex;gap:22px;flex-wrap:wrap;flex:1}
.site-header nav.primary a{color:var(--body);font-size:.86rem;letter-spacing:.09em;text-transform:uppercase;font-weight:600}
.site-header nav.primary a:hover{color:var(--brand);text-decoration:none}
/* 金属扫光按钮（实测 farevergame：background-size 200% + hover 移位，零 JS 的金属手感） */
.site-header .cta{font-family:var(--font-heading);color:var(--bg);border-radius:999px;padding:9px 20px;font-size:.85rem;font-weight:700;white-space:nowrap;letter-spacing:.05em;
background:linear-gradient(90deg,var(--brand),var(--accent) 50%,var(--brand));background-size:200% 100%;
box-shadow:0 0 0 1px color-mix(in srgb,var(--brand) 40%,transparent),0 8px 30px color-mix(in srgb,var(--brand) 25%,transparent);
transition:background-position .4s,transform .2s,box-shadow .2s}
.site-header .cta:hover{text-decoration:none;background-position:100% 0;transform:translateY(-1px);
box-shadow:0 0 0 1px color-mix(in srgb,var(--accent) 60%,transparent),0 12px 40px color-mix(in srgb,var(--brand) 45%,transparent)}
.subnav{background:var(--surface-alt);border-bottom:1px solid var(--line);overflow-x:auto}
.subnav .bar{max-width:1160px;margin:0 auto;padding:9px 20px;display:flex;gap:20px;white-space:nowrap}
.subnav a{color:var(--muted);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;font-weight:600}
.subnav a:hover{color:var(--brand);text-decoration:none}

/* ── 布局 ── */
.container{max-width:1160px;margin:0 auto;padding:26px 20px 70px}
.layout{display:block}
@media(min-width:1024px){
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}
.sidebar{position:sticky;top:88px}
}

/* ── 面包屑 / 标题 / 元信息 ── */
.crumbs{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0 0 12px;font-size:.78rem;color:var(--muted)}
.crumbs li+li::before{content:"/";margin-right:6px;opacity:.5}
.crumbs a{color:var(--muted)}
h1{font-size:2rem;line-height:1.2;margin:6px 0 12px;color:var(--ink);letter-spacing:-.01em}
@media(min-width:720px){h1{font-size:2.6rem}}
h2{font-size:1.45rem;line-height:1.3;margin:44px 0 14px;color:var(--ink);scroll-margin-top:96px}
h3{font-size:1.1rem;margin:26px 0 8px;color:var(--ink)}
/* ── 菱形母题（旋转 45° 的方块，不是 ◆ 字符）：五处复用＝全站视觉统一感的真正来源 ── */
.eyebrow{display:flex;align-items:center;justify-content:center;gap:12px;font-family:var(--font-body);font-size:.72rem;letter-spacing:.5em;text-transform:uppercase;color:var(--brand);font-weight:700;margin-bottom:10px}
.eyebrow::before,.eyebrow::after{content:"";width:6px;height:6px;background:var(--brand);transform:rotate(45deg);box-shadow:0 0 8px color-mix(in srgb,var(--brand) 50%,transparent);flex-shrink:0}
/* 区块分隔符：两条渐隐线夹一个发光菱形 */
.ornament{display:flex;align-items:center;justify-content:center;gap:16px;margin:14px auto 26px;max-width:380px;color:transparent;font-size:0}
.ornament::before,.ornament::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--brand) 50%,transparent),transparent)}
.ornament span,.ornament{position:relative}
.ornament::marker{display:none}
/* 正文 h2 左挂菱形 */
article h2{position:relative;padding-left:22px}
article h2::before{content:"";position:absolute;left:0;top:50%;width:10px;height:10px;margin-top:-5px;background:var(--brand);transform:rotate(45deg);box-shadow:0 0 12px color-mix(in srgb,var(--brand) 55%,transparent)}
/* 列表项菱形 bullet */
article ul:not(.card-list):not(.tips) li{position:relative;list-style:none;padding-left:24px;margin:.55rem 0}
article ul:not(.card-list):not(.tips) li::before{content:"";position:absolute;left:0;top:.62rem;width:6px;height:6px;background:var(--brand);transform:rotate(45deg);box-shadow:0 0 8px color-mix(in srgb,var(--brand) 50%,transparent)}
strong{color:var(--accent);font-weight:600}
.page-meta{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;font-size:.8rem;color:var(--muted);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0;margin:18px 0 26px}
.page-meta .verified{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600}
.lead{font-size:1.08rem;color:var(--ink);opacity:.92}

/* ── hero（首页大图区，farevergame 范式） ── */
.hero{position:relative;background:linear-gradient(160deg,var(--hero-from),var(--hero-to));border-bottom:1px solid var(--line);padding:56px 20px 48px;text-align:center;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 25% 15%,rgba(255,255,255,.10),transparent 42%),radial-gradient(circle at 78% 72%,rgba(255,255,255,.07),transparent 45%);pointer-events:none}
.hero .inner{position:relative;z-index:1;max-width:820px;margin:0 auto}
.hero h1{font-size:2.4rem;margin:14px 0}
@media(min-width:720px){.hero h1{font-size:3.4rem}}
.hero .tagline{font-size:1.06rem;color:var(--body);margin:14px auto 0;max-width:620px}
.hero-cover{display:block;margin:20px auto 4px;max-width:min(100%,620px);border-radius:12px;border:1px solid var(--line);box-shadow:0 24px 50px -25px rgba(0,0,0,.6)}
figure.diagram-figure{margin:26px 0;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow-x:auto}
figure.diagram-figure svg{display:block;margin:0 auto;height:auto}
/* 宽图不缩放（缩放=糊字），容器内横向滚动看细节；高度由构建期门禁保证 ≤420px */
@media(max-width:900px){figure.diagram-figure{padding:14px 10px}}
figure.diagram-figure figcaption{margin-top:14px;text-align:center;font-size:.85rem;color:var(--muted)}
figure.game-figure{margin:26px auto;text-align:center;max-width:640px}
/* 图外若包 <a>（视频封面可点跳转），a 是 inline 元素、宽度只包住图，
   img 的 margin:auto 在里面不起作用 → 必须让 a 也变块级居中（实测踩过） */
figure.game-figure a{display:block;width:fit-content;margin:0 auto}
figure.game-figure img{display:block;margin:0 auto;border-radius:10px;border:1px solid var(--line);width:100%;height:auto}
figure.game-figure figcaption{margin-top:10px;font-size:.84rem;color:var(--muted);text-align:center}
figure.game-figure figcaption{font-size:.8rem;color:var(--muted);margin-top:8px;text-align:center}
figure.game-figure .credit{opacity:.7;font-size:.75rem}
.hero .badge-line{font-size:.74rem;letter-spacing:.26em;text-transform:uppercase;color:var(--brand);font-weight:700}
.ornament{display:block;text-align:center;color:var(--brand);opacity:.65;letter-spacing:.6em;margin:18px 0}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:26px}
.stat-row .stat{background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:10px;padding:10px 18px;font-size:.78rem;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.stat-row .stat b{display:block;font-family:var(--font-heading);color:var(--ink);font-size:1.15rem;letter-spacing:0;text-transform:none;margin-bottom:2px}

/* 内页首屏视觉 */
.hero-art{position:relative;border-radius:var(--radius);overflow:hidden;margin:0 0 24px;
background:linear-gradient(150deg,var(--hero-from),var(--hero-to));min-height:160px;
display:flex;align-items:center;justify-content:center;padding:30px 22px;text-align:center;border:1px solid var(--line)}
.hero-art::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 22% 22%,rgba(255,255,255,.12),transparent 44%)}
.hero-art .art-title{position:relative;z-index:1;color:var(--ink);font-size:1.5rem;font-weight:700;line-height:1.3}
.hero-art .art-sub{display:block;margin-top:8px;font-family:var(--font-body);color:var(--muted);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase}
@media(min-width:720px){.hero-art{min-height:200px}.hero-art .art-title{font-size:1.9rem}}

/* ── 目录 ── */
.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin:0 0 28px}
.toc strong{display:block;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--brand);margin-bottom:10px}
.toc ol{margin:0;padding-left:20px}
.toc li{margin:6px 0;font-size:.94rem}

/* ── 步骤 / 提示 / 表格 ── */
ol.steps{list-style:none;counter-reset:step;padding:0;margin:18px 0}
ol.steps li{counter-increment:step;position:relative;padding:14px 0 14px 48px;border-bottom:1px solid var(--line)}
ol.steps li:last-child{border-bottom:0}
ol.steps li::before{content:counter(step);position:absolute;left:0;top:13px;width:30px;height:30px;border-radius:8px;
background:var(--brand);color:var(--bg);font-family:var(--font-heading);font-size:.88rem;font-weight:700;display:flex;align-items:center;justify-content:center}
.callout{border-left:3px solid var(--brand);background:var(--surface);padding:14px 18px;border-radius:0 10px 10px 0;margin:22px 0}
.callout.tip{border-color:var(--accent)}
.callout strong{color:var(--ink)}
ul.tips{margin:14px 0;padding-left:22px}
ul.tips li{margin:9px 0}
.table-wrap{overflow-x:auto;margin:20px 0;border:1px solid var(--line);border-radius:var(--radius)}
table{border-collapse:collapse;width:100%;font-size:.93rem;background:var(--surface)}
th,td{padding:12px 15px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--surface-alt);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
tr:last-child td{border-bottom:0}
code{background:var(--surface-alt);border:1px solid var(--line);border-radius:6px;padding:2px 8px;font:600 .92em ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--brand)}

/* ── 码块（一键复制，竞品普遍没有） ── */
.code-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:12px 0;background:var(--surface)}
.code-row .code-val{font:700 1.02rem ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--brand);background:var(--surface-alt);border:1px solid var(--line);border-radius:7px;padding:5px 12px}
.code-row .code-reward{color:var(--muted);font-size:.9rem;flex:1;min-width:130px}
.code-row button{border:0;background:var(--brand);color:var(--bg);border-radius:8px;padding:7px 16px;font-size:.83rem;font-weight:700;cursor:pointer}
.code-row button:hover{opacity:.88}
.code-row.expired{opacity:.55}
.code-row.expired .code-val{text-decoration:line-through;color:var(--muted)}

/* ── 卡片 ── */
.card-list{list-style:none;padding:0;margin:20px 0;display:grid;gap:14px}
@media(min-width:640px){.card-list{grid-template-columns:1fr 1fr}}
@media(min-width:960px){.card-list.cols-4{grid-template-columns:repeat(4,1fr)}}
.card-list li{border:1px solid var(--line);border-radius:4px;padding:20px 22px;position:relative;
background:linear-gradient(180deg,var(--surface),var(--surface-alt));backdrop-filter:blur(8px);
transition:border-color .25s,transform .25s,box-shadow .25s}
/* 四角护角（farevergame 招牌细节）：卡片四角的金色直角标记 */
.card-list li::before,.card-list li::after{content:"";position:absolute;width:14px;height:14px;opacity:.55;transition:opacity .25s;pointer-events:none}
.card-list li::before{top:-1px;left:-1px;border-top:1px solid var(--brand);border-left:1px solid var(--brand)}
.card-list li::after{bottom:-1px;right:-1px;border-bottom:1px solid var(--brand);border-right:1px solid var(--brand)}
.card-list li:hover{border-color:color-mix(in srgb,var(--brand) 55%,transparent);transform:translateY(-2px);box-shadow:0 20px 40px -20px color-mix(in srgb,var(--accent) 40%,transparent)}
.card-list li:hover::before,.card-list li:hover::after{opacity:1}
.card-list li .kicker{display:block;font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--brand);font-weight:700;margin-bottom:7px}
.card-list li a{font-family:var(--font-heading);font-weight:700;font-size:1.05rem;color:var(--ink);display:block;margin-bottom:6px}
.card-list li a:hover{color:var(--brand);text-decoration:none}
.card-list li p{margin:0;font-size:.88rem;color:var(--muted);line-height:1.6}

/* ── 分页 / 相关 / 侧栏 ── */
.pager{display:flex;justify-content:space-between;gap:14px;margin:38px 0 0;flex-wrap:wrap}
.pager a{flex:1;min-width:210px;border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;background:var(--surface);font-weight:600;color:var(--ink)}
.pager a:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}
.pager a .dir{display:block;font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--brand);font-weight:700;margin-bottom:4px}
.related{margin-top:46px;padding-top:10px;border-top:1px solid var(--line)}
.side-box{border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin-bottom:18px;background:var(--surface)}
.side-box h2{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--brand);margin:0 0 12px;font-family:var(--font-body);font-weight:700}
.side-box ul{list-style:none;padding:0;margin:0}
.side-box li{margin:9px 0;font-size:.9rem;line-height:1.5}
.side-box li a{color:var(--body)}
.side-box li a:hover{color:var(--brand)}

/* ── FAQ ── */
.faq details{border:1px solid var(--line);border-radius:10px;background:var(--surface);margin:10px 0;padding:0}
.faq summary{cursor:pointer;padding:14px 18px;font-weight:600;color:var(--ink);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--brand);font-weight:700}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0;padding:0 18px 16px;color:var(--muted);font-size:.94rem}

/* 首页区块标题：白→金渐变文字（farevergame 范式） */
.container section > h2{background:linear-gradient(180deg,var(--ink),var(--brand));-webkit-background-clip:text;background-clip:text;color:transparent;text-align:center;padding-left:0}
.container section > h2::before{display:none}
.container section > .eyebrow{justify-content:center}

/* 滚动条与选中（细节见品质） */
::selection{background:var(--brand);color:var(--bg)}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:var(--surface-alt)}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--accent),var(--brand));border-radius:4px}

/* 入场动效 */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.hero .inner,article > .hero-art{animation:fadeUp .8s ease-out both}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.site-footer{border-top:1px solid var(--line);background:var(--surface-alt);margin-top:60px;padding:28px 20px;font-size:.83rem;color:var(--muted)}
.site-footer .bar{max-width:1160px;margin:0 auto;display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between}
.site-footer a{color:var(--muted)}
.ad-unit{display:flex;align-items:center;justify-content:center;margin:24px 0;overflow:hidden}
.ad-unit iframe,.ad-unit ins{max-width:100%}
.ad-header-banner{margin:0 auto 8px;max-width:1160px}
.ad-sidebar{margin:0 0 18px}
.ad-footer{margin:32px 0 0}
/* ── 视觉基因变体：magazine / cover-center / plain-border / diamond / two-tier ── */
.eyebrow::before,.eyebrow::after{transform:rotate(45deg);}
article h2::before{transform:rotate(45deg);}
article ul:not(.card-list):not(.tips) li::before{transform:rotate(45deg);}
@media(min-width:1200px){.layout{grid-template-columns:minmax(0,1fr) 320px;gap:56px}
.container{max-width:1320px}
article>p.lead{font-size:1.18rem;line-height:1.7}}
.card-list li::before,.card-list li::after{display:none}
.card-list li{border-radius:10px;background:var(--surface)}
.card-list li:hover{border-color:var(--brand);box-shadow:none;transform:none}