/* ============================================================
   DupeForums —— 全站公共样式（首页 + 内页共用）
   从 index.html 抽离，内页组件样式追加在本文件末尾
   ============================================================ */
/* ============================================================
   DupeForums 首页 —— 浅色主题
   配色取自站点真实设计：底 #f5f6f8 / 深色 #1a2332 / 主蓝 #1565c0
   ============================================================ */
:root{
  --paper:#F5F6F8;
  --paper-2:#EDEFF3;
  --card:#FFFFFF;
  --ink:#1A2332;
  --ink-2:#3C4759;
  --dim:#6B7686;
  --faint:#98A1AF;

  --line:#E2E6EC;
  --line-2:#D2D8E0;

  --brand:#1565C0;
  --brand-700:#0D47A1;
  --brand-soft:#E7F0FB;
  --brand-tint:rgba(21,101,192,.14);

  --gold:#D99400;
  --gold-soft:#FDF3DD;
  --iron:#6E7A88;
  --iron-soft:#EAEDF1;
  --java:#2E7D32;
  --java-soft:#E6F2E7;
  --mint:#1E7A44;
  --mint-soft:#E4F5EA;
  --bedrock:#7A5AF8;
  --bedrock-soft:#EEEAFE;
  --hot:#E53935;
  --hot-soft:#FDEBEA;

  --r:14px;
  --r-lg:20px;
  --r-pill:999px;

  --shadow-sm:0 1px 2px rgba(26,35,50,.05);
  --shadow:0 6px 20px -10px rgba(26,35,50,.18), 0 2px 6px rgba(26,35,50,.05);
  --shadow-lg:0 26px 56px -26px rgba(26,35,50,.34), 0 6px 18px rgba(26,35,50,.06);
  --shadow-brand:0 16px 34px -16px rgba(21,101,192,.5);

  --maxw:1240px;
  --pad:clamp(16px,4vw,44px);

  --font-display:'Bricolage Grotesque','Noto Sans SC',system-ui,sans-serif;
  --font-sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;background:#F3F6FA}
body{
  margin:0;background:transparent;color:var(--ink);
  font-family:var(--font-sans);font-size:15px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
/* 覆盖整页的渐变背景 */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(1100px 660px at 8% -8%, #D6E6FB 0%, rgba(214,230,251,0) 62%),
    radial-gradient(920px 580px at 94% -4%, #FFE4C6 0%, rgba(255,228,198,0) 58%),
    radial-gradient(840px 640px at 56% 38%, #E0F2E6 0%, rgba(224,242,230,0) 60%),
    radial-gradient(1020px 780px at 12% 86%, #E4E1FA 0%, rgba(228,225,250,0) 58%),
    radial-gradient(900px 620px at 98% 94%, #D6EDF9 0%, rgba(214,237,249,0) 60%),
    linear-gradient(178deg, #F9FBFD 0%, #F0F5FB 36%, #F6F3F9 68%, #F1F7FA 100%);
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
::-webkit-scrollbar{width:12px;height:12px}
::-webkit-scrollbar-track{background:var(--paper-2)}
::-webkit-scrollbar-thumb{background:#CBD2DC;border:3px solid var(--paper-2);border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:#AFB8C5}

.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
.mono{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase}
h1,h2,h3{margin:0;font-family:var(--font-display);font-weight:800;letter-spacing:-.025em;line-height:1.08;color:var(--ink)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:.69rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);font-weight:600;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--brand);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 var(--brand-tint)}70%{box-shadow:0 0 0 11px rgba(21,101,192,0)}100%{box-shadow:0 0 0 0 rgba(21,101,192,0)}}

/* ============================ 按钮 ============================ */
.btn{
  --bh:40px;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:var(--bh);padding:0 17px;border-radius:var(--r-pill);
  font-size:.88rem;font-weight:600;white-space:nowrap;
  transition:transform .18s cubic-bezier(.2,.8,.2,1),box-shadow .22s,background .2s,color .2s;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn svg{width:16px;height:16px;flex-shrink:0}
.btn--lg{--bh:50px;padding:0 25px;font-size:.96rem}
.btn--sm{--bh:34px;padding:0 14px;font-size:.81rem}
.btn--primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-brand)}
.btn--primary:hover{background:var(--brand-700);transform:translateY(-2px)}
.btn--outline{background:var(--card);color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line-2)}
.btn--outline:hover{box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn--ghost{color:var(--ink-2)}
.btn--ghost:hover{color:var(--ink);background:rgba(26,35,50,.05)}
.btn--ink{background:var(--ink);color:#fff}
.btn--ink:hover{transform:translateY(-2px);box-shadow:0 14px 28px -14px rgba(26,35,50,.6)}
.btn--ok{background:var(--mint);color:#fff}
.btn--ok:hover{background:#166138}
.btn--danger{background:var(--hot);color:#fff}
.btn--danger:hover{background:#C62828}

/* ============================ 导航 ============================ */
.nav{
  position:sticky;top:0;z-index:200;background:transparent;border-bottom:1px solid transparent;
  transition:background .3s,border-color .3s,backdrop-filter .3s;
}
.nav.is-stuck{background:rgba(247,249,252,.6);backdrop-filter:blur(14px) saturate(1.3);border-color:rgba(226,230,236,.85)}
.nav__in{
  width:100%;max-width:var(--maxw);margin-inline:auto;padding:13px var(--pad);
  display:flex;align-items:center;gap:16px;
}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand__t{display:flex;flex-direction:column;line-height:1.06}
.brand__t b{font-family:var(--font-display);font-size:1.26rem;font-weight:800;letter-spacing:-.035em;color:var(--ink)}
.brand__t b i{font-style:normal;color:var(--brand)}
.brand__t em{font-family:var(--font-mono);font-style:normal;font-size:.53rem;letter-spacing:.2em;color:var(--faint);margin-top:1px}
.nav__links{display:flex;gap:2px}
.nav__links a{padding:8px 11px;border-radius:var(--r-pill);font-size:.89rem;font-weight:500;color:var(--ink-2);transition:background .2s,color .2s}
.nav__links a:hover{background:rgba(26,35,50,.05);color:var(--ink)}
.nav__links a.is-on{color:var(--brand);font-weight:700;background:var(--brand-soft)}
.nav__act{margin-left:auto;display:flex;align-items:center;gap:8px;flex-shrink:0}
.nav__act>*{flex-shrink:0}
.iconbtn{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;color:var(--dim);
  box-shadow:inset 0 0 0 1.5px var(--line);background:var(--card);transition:.2s;position:relative;
}
.iconbtn:hover{color:var(--brand);box-shadow:inset 0 0 0 1.5px var(--brand)}
.iconbtn svg{width:16px;height:16px}
.iconbtn .dot{position:absolute;top:7px;right:7px;width:7px;height:7px;border-radius:50%;background:var(--hot);border:1.5px solid var(--card)}
.langpill{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 13px;border-radius:var(--r-pill);
  background:var(--card);box-shadow:inset 0 0 0 1.5px var(--line);font-size:.82rem;color:var(--ink-2);
}
.langpill:hover{box-shadow:inset 0 0 0 1.5px var(--brand);color:var(--brand)}
.burger{display:none;width:40px;height:40px;border-radius:11px;background:var(--card);box-shadow:inset 0 0 0 1.5px var(--line);place-items:center}
.burger svg{width:18px;height:18px}
.userchip{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 13px 0 5px;border-radius:var(--r-pill);
  background:var(--card);box-shadow:inset 0 0 0 1.5px var(--line);font-size:.82rem;font-weight:600;color:var(--ink);
  transition:.2s;
}
.userchip:hover{box-shadow:inset 0 0 0 1.5px var(--brand);color:var(--brand)}
.userchip img{width:28px;height:28px;border-radius:50%;object-fit:cover;flex-shrink:0}

/* ============================ Hero ============================ */
.hero{position:relative;overflow:hidden;padding:clamp(40px,6vw,80px) 0 clamp(34px,5vw,64px)}
.hero__bg{position:absolute;inset:0;z-index:0;pointer-events:none}
.hero__grid{
  position:absolute;inset:0;
  background-image:radial-gradient(circle,#D5DBE4 1px,transparent 1px);background-size:24px 24px;
  -webkit-mask-image:radial-gradient(ellipse 92% 72% at 50% 12%,#000,transparent 78%);
  mask-image:radial-gradient(ellipse 92% 72% at 50% 12%,#000,transparent 78%);
}
.hero__in{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(26px,4.5vw,60px);align-items:center}

.hero h1{font-size:clamp(2.1rem,4.9vw,3.9rem);line-height:1.03;letter-spacing:-.035em;margin:16px 0 0}
.hero h1 .mc{font-family:var(--font-display);letter-spacing:-.04em}
.hl{position:relative;display:inline-block;z-index:1;white-space:nowrap}
.hl::after{
  content:"";position:absolute;left:-.12em;right:-.12em;bottom:.04em;height:.34em;z-index:-1;border-radius:3px;
  background:linear-gradient(90deg,rgba(21,101,192,.2),rgba(46,123,224,.46));
  transform:scaleX(0);transform-origin:left;animation:hlSweep .9s .5s cubic-bezier(.2,.85,.25,1) forwards;
}
@keyframes hlSweep{to{transform:scaleX(1)}}
.hero .lede{margin:18px 0 0;max-width:32em;font-size:1rem;color:var(--dim);line-height:1.72}
.hero .lede b{color:var(--ink);font-weight:600}
.hero__cta{display:flex;flex-wrap:wrap;gap:11px;margin-top:28px}
.hero__stats{display:flex;flex-wrap:wrap;gap:clamp(18px,3vw,38px);margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.hero__stats>div{display:flex;flex-direction:column;gap:1px}
.hero__stats b{font-family:var(--font-display);font-size:clamp(1.4rem,2.5vw,1.9rem);font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.hero__stats span{font-size:.76rem;color:var(--faint)}

/* Hero 视觉：悬浮特色卡片 */
.hero__vis{position:relative}
.hcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg);overflow:hidden;
  transform:rotate(-1.2deg);animation:floatA 7s ease-in-out infinite;
}
@keyframes floatA{0%,100%{transform:rotate(-1.2deg) translateY(0)}50%{transform:rotate(-1.2deg) translateY(-10px)}}
.hcard__art{margin:0;background:var(--paper-2)}
.hcard__art img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.hcard__b{padding:17px 19px 19px}
.hcard__h{display:flex;flex-direction:column;gap:2px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.hcard__h b{font-family:var(--font-display);font-size:1.02rem;font-weight:700;letter-spacing:-.02em}
.hcard__h span{font-size:.78rem;color:var(--faint)}

/* 网站特色列表 */
.hfeat{list-style:none;margin:13px 0 0;padding:0;display:grid;gap:10px}
.hfeat li{display:flex;align-items:flex-start;gap:10px}
.hfeat i{
  width:25px;height:25px;border-radius:8px;flex-shrink:0;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);margin-top:1px;
}
.hfeat i svg{width:13px;height:13px}
.hfeat li>div{display:flex;flex-wrap:wrap;align-items:baseline;gap:0 8px;min-width:0}
.hfeat b{font-size:.85rem;font-weight:600;color:var(--ink)}
.hfeat em{font-style:normal;font-size:.79rem;color:var(--dim)}

/* 金锭 / 铁锭原版贴图 */
.ingot{
  display:inline-block;width:16px;height:16px;flex-shrink:0;vertical-align:-3px;
  image-rendering:pixelated;image-rendering:crisp-edges;
}
.rc__price .ingot,.pill .ingot,.fitem .ingot{width:16px;height:16px}
.av{
  width:22px;height:22px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;
  background:var(--brand-soft);color:var(--brand);font-size:.66rem;font-weight:700;
}
.av--lg{width:40px;height:40px;font-size:.92rem;border-radius:12px}
.vchip{
  position:absolute;display:inline-flex;align-items:center;gap:7px;padding:9px 14px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:.79rem;font-weight:600;box-shadow:var(--shadow);
}
.vchip svg{width:14px;height:14px}
.vchip--a{top:-16px;right:-6px;color:var(--java);animation:floatB 6s ease-in-out infinite}
.vchip--c{bottom:-14px;right:24px;color:var(--gold);animation:floatB 7.4s 1s ease-in-out infinite}
@keyframes floatB{0%,100%{transform:translateY(0)}50%{transform:translateY(-11px)}}

/* ============================ 区块标题 ============================ */
section{position:relative}
.sec{padding:0 0 clamp(40px,5.5vw,74px)}
.sechead{display:flex;align-items:flex-end;gap:18px;margin-bottom:clamp(18px,2.6vw,30px)}
.sechead h2{font-size:clamp(1.4rem,2.5vw,2rem)}
.sechead p{margin:7px 0 0;color:var(--dim);font-size:.9rem}
.sechead .more{margin-left:auto;font-size:.85rem;font-weight:600;color:var(--brand);white-space:nowrap}
.sechead .more:hover{text-decoration:underline}

/* ============================ 标签 ============================ */
.tag{
  display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:6px;
  font-size:.71rem;font-weight:600;line-height:1.7;white-space:nowrap;
}
.tag--java{background:var(--java-soft);color:var(--java)}
.tag--bedrock{background:var(--bedrock-soft);color:var(--bedrock)}
.tag--plat{background:var(--brand-soft);color:var(--brand)}
.tag--soft{background:var(--paper-2);color:var(--ink-2)}
.tag--gold{background:var(--gold-soft);color:var(--gold)}
.tag--hot{background:var(--hot-soft);color:var(--hot)}
.tag--mint{background:#E4F5EA;color:#1E7A44}
.ver{font-family:var(--font-mono);font-size:.69rem;color:var(--faint);white-space:nowrap}

/* ============================ 分类 ============================ */
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.cat{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;display:flex;flex-direction:column;gap:12px;overflow:hidden;
  transition:transform .3s cubic-bezier(.2,.8,.2,1),box-shadow .3s,border-color .3s;
}
.cat::after{content:"";position:absolute;inset:auto -46% -74% auto;width:170px;height:170px;border-radius:50%;background:var(--brand-soft);opacity:0;transition:opacity .35s}
.cat:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.cat:hover::after{opacity:.8}
.cat>*{position:relative;z-index:1}
.cat__ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand)}
.cat__ico svg{width:20px;height:20px}
.cat__ico img{width:30px;height:30px;object-fit:contain}
.cat__n{font-family:var(--font-display);font-size:1.02rem;font-weight:700;letter-spacing:-.02em;display:flex;align-items:center;gap:7px}
.cat__d{font-size:.79rem;color:var(--dim);line-height:1.55;margin-top:-6px}
.cat__f{margin-top:auto;display:flex;align-items:baseline;gap:7px;padding-top:11px;border-top:1px dashed var(--line-2)}
.cat__f b{font-family:var(--font-display);font-size:1.22rem;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.cat__f span{font-size:.72rem;color:var(--faint)}
.cat--hero{grid-column:span 2;background:linear-gradient(140deg,#1565C0,#2E7BE0 62%,#4E97EC);border-color:transparent;color:#fff}
.cat--hero .cat__ico{background:rgba(255,255,255,.18);color:#fff}
.cat--hero .cat__d{color:rgba(255,255,255,.82)}
.cat--hero .cat__f{border-top-color:rgba(255,255,255,.28)}
.cat--hero .cat__f span{color:rgba(255,255,255,.72)}
.cat--hero::after{background:rgba(255,255,255,.16)}
.cat--empty .cat__ico{background:var(--paper-2);color:var(--faint)}
.cat--empty .cat__f b{color:var(--faint)}

/* ============================ 资源卡片 ============================ */
.rgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.rc{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  transition:transform .3s cubic-bezier(.2,.8,.2,1),box-shadow .3s,border-color .3s;
}
.rc:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.rc__cover{position:relative;aspect-ratio:16/10;background:var(--paper-2);overflow:hidden}
.rc__cover>img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.rc:hover .rc__cover>img{transform:scale(1.05)}
.rc__price{
  position:absolute;top:10px;left:10px;display:inline-flex;align-items:center;gap:4px;
  padding:4px 10px;border-radius:var(--r-pill);font-size:.73rem;font-weight:700;
  background:rgba(26,35,50,.74);color:#fff;backdrop-filter:blur(6px);
}
.rc__price.free{background:var(--java)}
.rc__price.iron{background:rgba(110,122,136,.9)}
.rc__b{padding:14px 15px 15px;display:flex;flex-direction:column;flex:1}
.rc__meta{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:7px}
.rc__t{
  margin:0;font-size:.94rem;font-weight:700;font-family:var(--font-display);letter-spacing:-.015em;line-height:1.35;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rc__d{
  margin:6px 0 0;font-size:.78rem;color:var(--dim);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rc__tags{display:flex;gap:4px;flex-wrap:wrap;margin-top:9px}
.rc__f{
  display:flex;align-items:center;gap:8px;margin-top:auto;padding-top:11px;
  border-top:1px solid var(--line);font-size:.76rem;color:var(--dim);
}
.rc__au{display:inline-flex;align-items:center;gap:6px;min-width:0}
.rc__au span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rc__rate{margin-left:auto;display:inline-flex;align-items:center;gap:4px;color:var(--gold);font-weight:600;flex-shrink:0}
.rc__rate svg{width:12px;height:12px}
/* 无封面时的占位（对应源站 fa-box 兜底） */
.rc__ph{
  position:absolute;inset:0;display:grid;place-items:center;gap:0;
  background:linear-gradient(150deg,#E9EEF6,#D7E1F0);
}
.rc__ph.c2{background:linear-gradient(150deg,#EAF4EA,#D5E9D8)}
.rc__ph.c3{background:linear-gradient(150deg,#F5EDE0,#EADCC4)}
.rc__ph.c4{background:linear-gradient(150deg,#EDEBFA,#DCD8F3)}
.rc__ph svg{position:absolute;width:74px;height:74px;color:rgba(255,255,255,.7)}
.rc__ph b{
  position:relative;font-family:var(--font-display);font-size:2.1rem;font-weight:800;
  color:rgba(26,35,50,.28);letter-spacing:-.04em;
}

/* ============================ 最新上架（资源行卡片） ============================ */
.rlist{display:flex;flex-direction:column;gap:13px}
.rrow{
  display:grid;grid-template-columns:minmax(0,1fr) auto auto auto;
  align-items:center;gap:20px;padding:17px 21px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
  transition:transform .28s cubic-bezier(.2,.8,.2,1),box-shadow .28s,border-color .28s;
}
.rrow:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:transparent}
.rres{display:flex;align-items:center;gap:17px;min-width:0}
.rcover{
  width:92px;height:92px;border-radius:14px;overflow:hidden;flex-shrink:0;
  background:var(--paper-2);border:1px solid var(--line);
}
.rcover img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.rrow:hover .rcover img{transform:scale(1.06)}
.rres__t{min-width:0}
.rres__t b{
  display:block;font-family:var(--font-display);font-size:1.01rem;font-weight:700;letter-spacing:-.018em;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.rres__t em{
  font-style:normal;font-size:.79rem;color:var(--dim);display:block;margin-top:4px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.rres__m{display:flex;align-items:center;gap:5px;flex-wrap:wrap;margin-top:9px}
.rmeta{display:flex;flex-direction:column;gap:2px;align-items:flex-end;min-width:60px}
.rmeta b{font-family:var(--font-mono);font-size:.8rem;font-weight:500;color:var(--ink-2);white-space:nowrap}
.rmeta span{font-size:.67rem;color:var(--faint);letter-spacing:.06em}
.ract{display:flex;align-items:center;gap:9px}
.pill{
  display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:var(--r-pill);
  font-size:.75rem;font-weight:700;background:var(--paper);box-shadow:inset 0 0 0 1px var(--line);
  white-space:nowrap;
}
.pill.gold{background:var(--gold-soft);color:var(--gold);box-shadow:none}
.pill.iron{background:var(--iron-soft);color:var(--iron);box-shadow:none}
.pill.free{background:var(--java-soft);color:var(--java);box-shadow:none}

/* ============================ 论坛热帖 ============================ */
.threads{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.th{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;
  display:flex;flex-direction:column;gap:10px;
  transition:transform .3s cubic-bezier(.2,.8,.2,1),box-shadow .3s,border-color .3s;
}
.th:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.th__top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.th__board{font-size:.76rem;color:var(--dim);display:inline-flex;align-items:center;gap:5px}
.th__board svg{width:13px;height:13px}
.th h3{font-size:1rem;line-height:1.4;letter-spacing:-.015em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.th p{margin:0;font-size:.81rem;color:var(--dim);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.th__f{display:flex;align-items:center;gap:14px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:.76rem;color:var(--faint)}
.th__f .n{display:inline-flex;align-items:center;gap:5px}
.th__f svg{width:13px;height:13px}

/* ============================ 会员体系 ============================ */
.feats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.feat{
  padding:22px 20px;border-radius:var(--r-lg);background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;
}
.feat:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.feat__i{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;margin-bottom:15px;background:var(--paper);border:1px solid var(--line)}
.feat__i svg{width:19px;height:19px}
.feat__i img{width:26px;height:26px;object-fit:contain}
.feat h3{font-size:.98rem}
.feat p{margin:7px 0 0;font-size:.81rem;color:var(--dim);line-height:1.65}

/* ============================ CTA ============================ */
.cta__box{
  position:relative;overflow:hidden;border-radius:26px;padding:clamp(30px,4.6vw,58px);
  background:linear-gradient(120deg,#0D47A1,#1565C0 46%,#2E7BE0);color:#fff;
  box-shadow:0 40px 76px -34px rgba(13,71,161,.62);
  display:grid;grid-template-columns:1.45fr auto;gap:30px;align-items:center;
}
.cta__box::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle,rgba(255,255,255,.2) 1px,transparent 1px);background-size:22px 22px;
  -webkit-mask-image:radial-gradient(ellipse 72% 92% at 90% 8%,#000,transparent 70%);
  mask-image:radial-gradient(ellipse 72% 92% at 90% 8%,#000,transparent 70%);
}
.cta__box::after{content:"";position:absolute;width:330px;height:330px;border-radius:50%;right:-90px;bottom:-160px;background:radial-gradient(circle,rgba(255,255,255,.26),transparent 65%)}
.cta__box>*{position:relative;z-index:1}
.cta h2{color:#fff;font-size:clamp(1.5rem,3vw,2.35rem);line-height:1.1}
.cta p{margin:13px 0 0;color:rgba(255,255,255,.84);max-width:34em;font-size:.93rem}
.cta__act{display:flex;flex-direction:column;gap:11px;min-width:220px}
.cta .btn--outline{background:rgba(255,255,255,.12);color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.5)}
.cta .btn--outline:hover{background:#fff;color:var(--brand);box-shadow:none}
.cta .btn--ink{background:#0F1722}

/* ============================ 页脚 ============================ */
.foot{background:rgba(255,255,255,.5);backdrop-filter:blur(12px);border-top:1px solid rgba(226,230,236,.9);padding:clamp(36px,4.6vw,60px) 0 26px}
.foot__grid{display:grid;grid-template-columns:1.7fr repeat(3,1fr);gap:34px}
.foot__brand p{margin:15px 0 0;font-size:.83rem;color:var(--dim);max-width:26em;line-height:1.7}
.foot h4{margin:0 0 13px;font-family:var(--font-mono);font-size:.69rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:600}
.foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.foot ul a{font-size:.85rem;color:var(--ink-2);transition:color .2s}
.foot ul a:hover{color:var(--brand)}
.foot__note{
  margin-top:34px;padding:15px 17px;border-radius:var(--r);background:rgba(255,255,255,.62);
  border:1px solid var(--line);font-size:.77rem;color:var(--dim);line-height:1.7;display:flex;gap:11px;
}
.foot__note svg{width:16px;height:16px;color:var(--brand);flex-shrink:0;margin-top:3px}
.foot__bar{
  margin-top:24px;padding-top:19px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:13px;align-items:center;justify-content:space-between;
  font-size:.77rem;color:var(--faint);
}
.socials{display:flex;gap:7px}
.socials a{width:33px;height:33px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.7);box-shadow:inset 0 0 0 1px var(--line);transition:.2s}
.socials a:hover{background:var(--ink);color:#fff;box-shadow:none}
.socials svg{width:15px;height:15px}

/* ============================ 命令面板 ============================ */
.cmdk{position:fixed;inset:0;z-index:1000;display:none;align-items:flex-start;justify-content:center;padding:11vh 18px 18px}
.cmdk.is-open{display:flex}
.cmdk__veil{position:absolute;inset:0;background:rgba(26,35,50,.42);backdrop-filter:blur(6px);animation:fade .2s}
@keyframes fade{from{opacity:0}to{opacity:1}}
.cmdk__p{
  position:relative;width:min(600px,100%);background:var(--card);border-radius:var(--r-lg);
  border:1px solid var(--line);box-shadow:0 40px 76px -30px rgba(26,35,50,.5);overflow:hidden;
  animation:pop .28s cubic-bezier(.2,.9,.25,1);
}
@keyframes pop{from{opacity:0;transform:translateY(-14px) scale(.98)}to{opacity:1;transform:none}}
.cmdk__f{display:flex;align-items:center;gap:11px;padding:15px 18px;border-bottom:1px solid var(--line)}
.cmdk__f svg{width:18px;height:18px;color:var(--faint)}
.cmdk__f input{flex:1;border:0;outline:0;background:none;font-size:.97rem}
.cmdk__f kbd{font-family:var(--font-mono);font-size:.62rem;padding:3px 7px;border-radius:6px;background:var(--paper-2);color:var(--dim);border:1px solid var(--line-2)}
.cmdk__l{max-height:320px;overflow:auto;padding:7px}
.cmdk__l a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:11px;font-size:.88rem;transition:background .15s}
.cmdk__l a:hover{background:var(--brand-soft)}
.cmdk__l .ci{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;flex-shrink:0;background:var(--brand-soft);color:var(--brand)}
.cmdk__l .ci svg{width:15px;height:15px}
.cmdk__l .ct{flex:1}
.cmdk__l .ct em{display:block;font-style:normal;font-size:.72rem;color:var(--faint)}
.cmdk__l .ck{font-family:var(--font-mono);font-size:.64rem;color:var(--faint)}

/* ============================ 揭示动画 ============================ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .72s cubic-bezier(.2,.8,.2,1),transform .72s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ============================ 响应式 ============================ */
@media (max-width:1100px){
  .nav__links{display:none}
  .burger{display:grid}
  .hero__in{grid-template-columns:1fr;gap:52px}
  .cats{grid-template-columns:repeat(2,1fr)}
  .cat--hero{grid-column:span 2}
  .rgrid{grid-template-columns:repeat(2,1fr)}
  .feats{grid-template-columns:repeat(2,1fr)}
  .foot__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .rrow{grid-template-columns:minmax(0,1fr) auto;gap:14px;padding:15px 16px}
  .rmeta{display:none}
  .ract{flex-direction:column;align-items:flex-end;gap:8px}
  .rcover{width:76px;height:76px;border-radius:12px}
  .threads{grid-template-columns:1fr}
  .cta__box{grid-template-columns:1fr}
  .cta__act{min-width:0;flex-direction:row;flex-wrap:wrap}
}
@media (max-width:640px){
  .nav__in{gap:12px;padding:11px 14px}
  .brand__t b{font-size:1.12rem}
  .nav .brand__t em{display:none}
  .nav__act{gap:6px}
  .iconbtn{width:34px;height:34px;border-radius:10px}
  .nav__act .btn--primary{--bh:34px;padding:0 13px;font-size:.8rem}
  .burger{width:36px;height:36px}
  .langpill,.nav__act .btn--outline{display:none}
  .userchip{padding:0 5px}
  .userchip span{display:none}
  .rrow{grid-template-columns:1fr;gap:14px}
  .rcover{width:80px;height:80px}
  .ract{flex-direction:row;align-items:center;justify-content:space-between;width:100%}
  .rgrid{grid-template-columns:1fr}
  .cats{grid-template-columns:1fr}
  .cat--hero{grid-column:span 1}
  .feats{grid-template-columns:1fr}
  .hero__stats{gap:20px}
  .foot__grid{grid-template-columns:1fr}
}
@media (max-width:410px){
  .js-bell{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
}