/* ============================================================
   黑料今日首页 · 设计系统  style.css
   风格：现代 · 可爱大气 · 专业（墨蓝 × 奶油 × 珊瑚橙）
   ============================================================ */

/* ---------- 1 设计变量 ---------- */
:root{
  --ink:#181C2A;
  --ink-2:#252B42;
  --ink-3:#333A57;
  --paper:#FFF8F1;
  --card:#FFFFFF;
  --brand:#FF6B4A;
  --brand-2:#E84A26;
  --brand-soft:#FFE9E2;
  --accent:#7C6CFF;
  --accent-soft:#EDEAFF;
  --mint:#1FC39B;
  --mint-soft:#DFF7F0;
  --amber:#FFB84C;
  --amber-soft:#FFF1DC;
  --text:#23283B;
  --muted:#6C7189;
  --faint:#9A9EB2;
  --line:rgba(24,28,42,.10);
  --grad-brand:linear-gradient(135deg,#FF6B4A 0%,#FF8F62 55%,#FFB84C 100%);
  --grad-night:linear-gradient(160deg,#181C2A 0%,#232B52 60%,#3A2E6E 100%);
  --grad-mint:linear-gradient(135deg,#1FC39B,#5FE0C0);
  --r-xs:8px; --r-sm:12px; --r-md:16px; --r-lg:22px; --r-xl:28px; --r-full:999px;
  --sh-1:0 2px 8px rgba(24,28,42,.06);
  --sh-2:0 6px 20px rgba(24,28,42,.08);
  --sh-3:0 14px 40px rgba(24,28,42,.12);
  --sh-brand:0 10px 26px rgba(255,107,74,.28);
  --fs-1:clamp(1.9rem,1.35rem + 2.4vw,3.1rem);
  --fs-2:clamp(1.45rem,1.15rem + 1.3vw,2.05rem);
  --fs-3:clamp(1.15rem,1rem + .7vw,1.45rem);
  --fs-body:1rem;
  --fs-sm:.9rem;
  --fs-xs:.8rem;
  --container:1160px;
  --gutter:clamp(18px,4vw,32px);
  --ease:cubic-bezier(.22,.8,.32,1);
}

/* ---------- 2 基础重置 ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Outfit","Noto Sans SC",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--paper);color:var(--text);
  font-size:var(--fs-body);line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font:inherit}
h1,h2,h3,h4,h5{color:var(--ink);line-height:1.28;text-wrap:balance}
h1{font-size:var(--fs-1);letter-spacing:-.01em}
h2{font-size:var(--fs-2)}
h3{font-size:var(--fs-3)}
p{max-width:72ch}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}

/* ---------- 3 布局工具 ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(52px,7vw,96px)}
.section-tight{padding-block:clamp(36px,5vw,64px)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-side{display:grid;grid-template-columns:1.6fr .9fr;gap:32px;align-items:start}
.center{text-align:center}
.muted{color:var(--muted)}
.small{font-size:var(--fs-sm)}
.mt-s{margin-top:14px}.mt-m{margin-top:26px}.mt-l{margin-top:44px}
.hidden{display:none!important}

.section-head{max-width:640px;margin-bottom:38px}
.section-head.center{margin-inline:auto;text-align:center}
.section-head p{margin-top:10px;color:var(--muted)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:var(--fs-xs);font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:var(--r-full);margin-bottom:14px;
}
.eyebrow.violet{color:var(--accent);background:var(--accent-soft)}
.eyebrow.mint{color:#0E9B79;background:var(--mint-soft)}
.eyebrow.amber{color:#B26A00;background:var(--amber-soft)}

/* ---------- 4 文字标题组件 ---------- */
.hl{position:relative;z-index:0;white-space:nowrap}
.hl::after{
  content:"";position:absolute;left:-2px;right:-2px;bottom:.08em;height:.42em;
  background:linear-gradient(90deg,rgba(255,107,74,.35),rgba(255,184,76,.35));
  border-radius:6px;z-index:-1;transform:skewX(-8deg);
}
.kicker-line{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:var(--fs-sm)}
.kicker-line::before{content:"";width:34px;height:3px;border-radius:3px;background:var(--grad-brand)}

/* ---------- 5 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--r-full);
  font-weight:700;font-size:.95rem;line-height:1;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s;
  will-change:transform;
}
.btn svg{width:18px;height:18px;flex:none}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-brand)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(255,107,74,.36)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{transform:translateY(-3px);box-shadow:var(--sh-3)}
.btn-ghost{border:2px solid var(--line);background:var(--card);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-3px)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.35);backdrop-filter:blur(4px)}
.btn-light:hover{background:rgba(255,255,255,.24);transform:translateY(-3px)}
.btn-sm{padding:9px 18px;font-size:.85rem}
.btn-lg{padding:16px 34px;font-size:1.02rem}
.btn-group{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- 6 头部导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:80;
  background:rgba(255,248,241,.92);
  border-bottom:1px solid transparent;
  transition:border-color .3s,box-shadow .3s;
}
.site-head.is-stuck{border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;height:74px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.18rem;color:var(--ink)}
.logo-mark{
  width:40px;height:40px;flex:none;border-radius:14px;
  background:var(--grad-brand);display:grid;place-items:center;
  box-shadow:var(--sh-brand);color:#fff;font-size:1.05rem;
}
.logo small{display:block;font-size:.62rem;font-weight:600;color:var(--muted);letter-spacing:.22em}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  padding:9px 15px;border-radius:var(--r-full);font-weight:600;font-size:.93rem;color:var(--ink-3);
  transition:background .2s,color .2s;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-2)}
.nav-links a.is-active{background:var(--ink);color:#fff}
.nav-links > .btn{display:none}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  background:var(--card);border:1.5px solid var(--line);
  place-items:center;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:19px;height:2px;background:var(--ink);border-radius:2px;position:relative;
}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}
.nav-close{display:none}

/* ---------- 7 卡片 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh-3)}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);font-size:var(--fs-sm)}
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-weight:700;font-size:var(--fs-sm);color:var(--brand)}
.card-link svg{width:15px;height:15px;transition:transform .25s}
.card-link:hover svg{transform:translateX(4px)}
.ico-badge{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;margin-bottom:16px;
  font-size:1.4rem;
}
.ico-badge.coral{background:var(--brand-soft)}
.ico-badge.violet{background:var(--accent-soft)}
.ico-badge.mint{background:var(--mint-soft)}
.ico-badge.amber{background:var(--amber-soft)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:var(--fs-xs);font-weight:700;padding:4px 11px;border-radius:var(--r-full);
}
.badge.hot{background:var(--brand-soft);color:var(--brand-2)}
.badge.new{background:var(--mint-soft);color:#0E9B79}
.badge.violet{background:var(--accent-soft);color:var(--accent)}
.badge.dark{background:var(--ink);color:#fff}

.chip{
  display:inline-block;padding:6px 14px;border-radius:var(--r-full);
  background:var(--card);border:1.5px solid var(--line);
  font-size:var(--fs-xs);font-weight:600;color:var(--muted);
  transition:all .2s;
}
.chip:hover,.chip.on{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}

/* 图片缩略图 */
.thumb{
  position:relative;border-radius:var(--r-md);overflow:hidden;background:var(--ink-2);
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(16,19,32,.55));
}
.thumb .tag{
  position:absolute;top:12px;left:12px;z-index:2;
  background:rgba(255,255,255,.92);color:var(--ink);
  font-size:var(--fs-xs);font-weight:700;padding:4px 12px;border-radius:var(--r-full);
}
.thumb .dur{
  position:absolute;bottom:12px;right:12px;z-index:2;
  background:rgba(16,19,32,.78);color:#fff;
  font-size:var(--fs-xs);font-weight:600;padding:3px 9px;border-radius:8px;
}
.thumb .play-btn{
  position:absolute;inset:0;margin:auto;z-index:3;
  width:56px;height:56px;border-radius:50%;
  background:rgba(255,255,255,.94);display:grid;place-items:center;
  box-shadow:var(--sh-2);transition:transform .3s var(--ease),background .3s;
}
.thumb .play-btn svg{width:20px;height:20px;fill:var(--brand-2);margin-left:3px}
.vcard:hover .thumb img{transform:scale(1.06)}
.vcard:hover .play-btn{transform:scale(1.12);background:var(--brand);box-shadow:var(--sh-brand)}
.vcard:hover .play-btn svg{fill:#fff}

/* ---------- 8 Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--grad-night);color:#fff;
  padding-block:clamp(64px,8vw,110px) clamp(72px,9vw,120px);
}
.hero::before{
  content:"";position:absolute;top:-140px;right:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,74,.4),transparent 66%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-180px;left:-100px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,108,255,.32),transparent 66%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,64px);align-items:center}
.hero h1{color:#fff;margin-bottom:18px}
.hero h1 .hl::after{background:linear-gradient(90deg,rgba(255,107,74,.75),rgba(255,184,76,.6))}
.hero p{color:rgba(255,255,255,.78);font-size:1.06rem;max-width:54ch}
.hero .eyebrow{background:rgba(255,255,255,.12);color:#FFB84C}
.hero .btn-group{margin-top:32px}
.hero-note{display:flex;align-items:center;gap:10px;margin-top:22px;font-size:var(--fs-sm);color:rgba(255,255,255,.62)}
.hero-note svg{width:17px;height:17px;color:var(--mint);flex:none}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:38px;
  border-top:1px solid rgba(255,255,255,.14);padding-top:26px;
}
.hero-stats b{display:block;font-size:1.5rem;color:#fff}
.hero-stats span{font-size:var(--fs-xs);color:rgba(255,255,255,.6)}
.hero-art{position:relative}
.hero-art > .frame{
  border-radius:var(--r-xl);overflow:hidden;box-shadow:0 30px 70px rgba(6,8,20,.5);
  border:5px solid rgba(255,255,255,.12);transform:rotate(1.6deg);
}
.hero-art .frame img{width:100%;height:auto}
.float-tag{
  position:absolute;display:flex;align-items:center;gap:9px;
  background:rgba(255,255,255,.95);color:var(--ink);
  padding:10px 16px;border-radius:var(--r-full);box-shadow:var(--sh-3);
  font-size:var(--fs-sm);font-weight:700;white-space:nowrap;
}
.float-tag .dot{width:9px;height:9px;border-radius:50%;flex:none}
.float-tag.ft-1{top:-16px;left:-12px;animation:floaty 5s ease-in-out infinite}
.float-tag.ft-2{bottom:26px;right:-14px;animation:floaty 6s .8s ease-in-out infinite}
.float-tag.ft-3{bottom:-18px;left:34px;animation:floaty 5.4s .4s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ---------- 9 跑马灯 ---------- */
.ticker{
  overflow:hidden;background:var(--ink);color:#fff;
  padding:13px 0;white-space:nowrap;
}
.ticker-track{display:inline-flex;gap:44px;animation:marquee 32s linear infinite;padding-right:44px}
.ticker-track span{display:inline-flex;align-items:center;gap:9px;font-size:var(--fs-sm);font-weight:600;color:rgba(255,255,255,.82)}
.ticker-track b{color:var(--amber)}
.ticker-track .tk-dot{width:7px;height:7px;border-radius:50%;background:var(--brand);flex:none}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- 10 视频卡 ---------- */
.vcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.vcard:hover{transform:translateY(-6px);box-shadow:var(--sh-3)}
.vcard .thumb{border-radius:0;aspect-ratio:16/9}
.vbody{padding:18px 20px 20px}
.vbody h3{font-size:1.02rem;line-height:1.45;margin-bottom:8px}
.vmeta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:var(--fs-xs);color:var(--faint)}
.vmeta .sep{width:3px;height:3px;border-radius:50%;background:var(--faint)}
.vacts{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);font-size:var(--fs-xs);color:var(--muted);font-weight:600}
.vacts button{display:inline-flex;align-items:center;gap:5px;font-weight:600;color:var(--muted);transition:color .2s}
.vacts button:hover{color:var(--brand)}
.vacts svg{width:15px;height:15px}

/* ---------- 11 榜单 ---------- */
.rank-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1)}
.rank-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.rank-item{
  display:grid;grid-template-columns:30px 86px minmax(0,1fr) auto;gap:13px;align-items:center;
  padding:12px 6px;border-radius:var(--r-sm);transition:background .2s;
}
.rank-item:hover{background:var(--paper)}
.rank-item + .rank-item{border-top:1px dashed var(--line)}
.rank-no{font-weight:800;font-style:italic;color:var(--faint);text-align:center}
.rank-item:nth-child(-n+3) .rank-no{color:var(--brand)}
.rank-thumb{width:86px;height:56px;border-radius:10px;overflow:hidden}
.rank-thumb img{width:100%;height:100%;object-fit:cover}
.rank-tt{font-size:var(--fs-sm);font-weight:700;color:var(--ink);line-height:1.4;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.rank-sub{font-size:var(--fs-xs);color:var(--faint);margin-top:3px}
.rank-end{text-align:right;font-weight:800;font-size:.95rem;color:var(--brand-2);white-space:nowrap}
.rank-end small{display:block;font-weight:600;font-size:var(--fs-xs);color:var(--faint)}

/* ---------- 12 话题/文章列表 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.post-row{
  display:grid;grid-template-columns:180px minmax(0,1fr) auto;gap:22px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px;box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.post-row:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.post-row + .post-row{margin-top:16px}
.post-row .thumb{aspect-ratio:16/10}
.post-row h3{font-size:1.06rem;margin-bottom:6px}
.post-row .sum{font-size:var(--fs-sm);color:var(--muted)}
.post-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}
.post-side{text-align:right;white-space:nowrap}
.post-side .heat{font-weight:800;color:var(--brand);font-size:1.05rem}
.post-side .date{font-size:var(--fs-xs);color:var(--faint)}
.sticky-side{position:sticky;top:96px}

/* ---------- 13 数据/特性 ---------- */
.stat-card{
  text-align:center;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:30px 20px;box-shadow:var(--sh-1);
}
.stat-card b{display:block;font-size:clamp(1.7rem,1.3rem + 1.4vw,2.4rem);background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-card span{font-size:var(--fs-sm);color:var(--muted);font-weight:600}
.feat-item{display:flex;gap:16px;align-items:flex-start}
.feat-item h3{font-size:1.05rem;margin-bottom:5px}
.feat-item p{font-size:var(--fs-sm);color:var(--muted)}

/* ---------- 14 评价 ---------- */
.quote-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1)}
.quote-card .stars{color:var(--amber);letter-spacing:3px;font-size:.9rem;margin-bottom:12px}
.quote-card p{font-size:var(--fs-sm);color:var(--text)}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:18px}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:none;
  display:grid;place-items:center;font-weight:800;color:#fff;font-size:.9rem;
}
.avatar.a1{background:linear-gradient(135deg,#FF6B4A,#FFB84C)}
.avatar.a2{background:linear-gradient(135deg,#7C6CFF,#B9AFFF)}
.avatar.a3{background:linear-gradient(135deg,#1FC39B,#5FE0C0)}
.avatar.a4{background:linear-gradient(135deg,#33407A,#5C74D8)}
.quote-who b{display:block;font-size:var(--fs-sm);color:var(--ink)}
.quote-who span{font-size:var(--fs-xs);color:var(--faint)}

/* ---------- 15 CTA/下载 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad-night);color:#fff;padding:clamp(40px,5vw,68px);
  text-align:center;box-shadow:var(--sh-3);
}
.cta-band::before{
  content:"";position:absolute;top:-120px;right:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,74,.45),transparent 65%);
}
.cta-band h2,.cta-band h3{color:#fff}
.cta-band p{color:rgba(255,255,255,.75);margin-inline:auto}
.cta-band .container{position:relative;z-index:2}
.app-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:28px}
.app-badge{
  display:inline-flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.1);border:1.5px solid rgba(255,255,255,.3);
  border-radius:16px;padding:12px 22px;color:#fff;transition:transform .25s var(--ease),background .25s;
}
.app-badge:hover{transform:translateY(-3px);background:rgba(255,255,255,.18)}
.app-badge svg{width:26px;height:26px}
.app-badge b{display:block;font-size:.98rem;line-height:1.2}
.app-badge small{font-size:var(--fs-xs);color:rgba(255,255,255,.65)}
.download-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,5vw,60px);align-items:center}
.phone-mock{
  position:relative;max-width:300px;margin-inline:auto;border-radius:36px;overflow:hidden;
  border:6px solid var(--ink);box-shadow:var(--sh-3);transform:rotate(-2deg);
}
.qr-card{
  width:150px;text-align:center;background:#fff;border-radius:var(--r-md);
  padding:12px;box-shadow:var(--sh-2);
}
.qr-card .qr-box{
  width:126px;height:126px;border-radius:10px;
  background:
    conic-gradient(var(--ink) 25%,transparent 0 50%,var(--ink) 0 75%,transparent 0) 0 0/24px 24px,
    #fff;
  margin-inline:auto;
}
.qr-card figcaption{font-size:var(--fs-xs);color:var(--muted);margin-top:8px}

/* ---------- 16 FAQ ---------- */
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden}
.faq-item + .faq-item{margin-top:12px}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-weight:700;color:var(--ink);font-size:.98rem;
}
.faq-q .faq-ico{
  width:28px;height:28px;flex:none;border-radius:50%;background:var(--brand-soft);color:var(--brand-2);
  display:grid;place-items:center;font-size:1.15rem;font-weight:600;line-height:1;
  transition:transform .3s var(--ease),background .3s;
}
.faq-item.open .faq-ico{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a .inner{padding:0 22px 20px;color:var(--muted);font-size:var(--fs-sm)}

/* ---------- 17 提示条/弹层 ---------- */
.toast{
  position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);
  background:var(--ink);color:#fff;padding:12px 24px;border-radius:var(--r-full);
  font-size:var(--fs-sm);font-weight:600;box-shadow:var(--sh-3);
  opacity:0;pointer-events:none;transition:all .35s var(--ease);z-index:200;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.modal{
  position:fixed;inset:0;z-index:150;display:none;
  align-items:center;justify-content:center;padding:20px;
}
.modal.open{display:flex}
.modal-scrim{position:absolute;inset:0;background:rgba(14,17,30,.72);backdrop-filter:blur(4px)}
.modal-box{
  position:relative;z-index:2;width:min(760px,100%);
  background:var(--ink);border-radius:var(--r-lg);overflow:hidden;box-shadow:0 40px 90px rgba(0,0,0,.5);
  animation:pop .35s var(--ease);
}
@keyframes pop{from{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}
.modal-box .mvideo{aspect-ratio:16/9;background:#000;display:grid;place-items:center}
.modal-box .mvideo img{width:100%;height:100%;object-fit:cover;opacity:.85}
.modal-box .mtitle{padding:16px 22px;color:#fff;font-weight:700}
.modal-close{
  position:absolute;top:12px;right:12px;z-index:3;
  width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.92);
  display:grid;place-items:center;font-size:1.1rem;color:var(--ink);box-shadow:var(--sh-2);
}
.modal-close:hover{background:var(--brand);color:#fff}

/* ---------- 18 页脚 ---------- */
.site-foot{background:var(--ink);color:rgba(255,255,255,.72);margin-top:0}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;
  padding-block:clamp(48px,6vw,72px) 34px;
}
.site-foot .logo{color:#fff}
.site-foot h4{color:#fff;font-size:.95rem;margin-bottom:16px}
.site-foot a{font-size:var(--fs-sm);transition:color .2s}
.site-foot a:hover{color:var(--amber)}
.site-foot li{margin-bottom:10px}
.foot-desc{font-size:var(--fs-sm);color:rgba(255,255,255,.6);margin-top:14px;max-width:40ch}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  font-size:var(--fs-xs);padding:5px 12px;border-radius:var(--r-full);
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.72);
}
.tag-cloud a:hover{background:var(--brand);color:#fff}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-block:22px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:var(--fs-xs);color:rgba(255,255,255,.45);
}
.foot-disclaimer{
  border-top:1px dashed rgba(255,255,255,.12);margin-top:26px;padding-top:22px;
  font-size:var(--fs-xs);color:rgba(255,255,255,.42);line-height:1.8;
}

/* ---------- 19 内页页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--grad-night);color:#fff;
  padding-block:clamp(46px,6vw,84px);
}
.page-hero::before{
  content:"";position:absolute;top:-110px;right:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,74,.38),transparent 66%);
}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:var(--fs-xs);color:rgba(255,255,255,.6);margin-bottom:18px}
.crumbs a:hover{color:var(--amber)}
.page-hero h1{color:#fff;font-size:clamp(1.7rem,1.3rem + 1.8vw,2.6rem);margin-bottom:12px}
.page-hero p{color:rgba(255,255,255,.75);max-width:60ch}
.page-hero .eyebrow{background:rgba(255,255,255,.12);color:#FFB84C}

/* ---------- 20 分页 ---------- */
.pager{display:flex;justify-content:center;gap:8px;margin-top:40px}
.pager a,.pager span{
  min-width:42px;height:42px;padding-inline:12px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:var(--fs-sm);
  background:var(--card);border:1.5px solid var(--line);color:var(--muted);
  transition:all .2s;
}
.pager a:hover{border-color:var(--brand);color:var(--brand)}
.pager .cur{background:var(--grad-brand);border-color:transparent;color:#fff}

/* ---------- 21 滚动动画 ---------- */
.js-ready [data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js-ready [data-reveal].is-in{opacity:1;transform:none}
[data-reveal]{animation:reveal-safety .01s linear 2.6s forwards}
@keyframes reveal-safety{to{opacity:1;transform:none}}

/* ---------- 22 响应式 ---------- */
@media (max-width:1080px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:960px){
  .nav-toggle{display:grid}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;z-index:120;
    width:min(320px,84vw);
    background:var(--ink);color:#fff;
    flex-direction:column;align-items:flex-start;gap:4px;
    padding:88px 26px 30px;
    transform:translateX(105%);transition:transform .4s var(--ease);
    box-shadow:-20px 0 60px rgba(0,0,0,.35);overflow-y:auto;
  }
  .nav-links.is-open{transform:none}
  .nav-links a{color:#fff;width:100%;padding:13px 14px;font-size:1.02rem;border-radius:12px}
  .nav-links a:hover,.nav-links a.is-active{background:rgba(255,255,255,.12);color:#fff}
  .nav-links > .btn{display:inline-flex;width:100%;margin-top:16px}
  .nav-close{
    display:grid;place-items:center;
    position:absolute;top:18px;right:18px;z-index:130;
    width:42px;height:42px;border-radius:50%;
    background:rgba(255,255,255,.14);color:#fff;font-size:1.3rem;
  }
  .nav-scrim{
    position:fixed;inset:0;z-index:110;background:rgba(14,17,30,.55);
    opacity:0;pointer-events:none;transition:opacity .3s;
  }
  body.drawer-open .nav-scrim{opacity:1;pointer-events:auto}
  body.drawer-open{overflow:hidden}
  .hero-grid{grid-template-columns:1fr}
  .hero-art{max-width:520px;margin-inline:auto}
  .grid-side{grid-template-columns:1fr}
  .sticky-side{position:static}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:8px}
  .hero-stats b{font-size:1.2rem}
  .float-tag{transform:scale(.86)}
  .float-tag.ft-1{transform-origin:left center;left:0}
  .float-tag.ft-2{transform-origin:right center;right:0}
  .float-tag.ft-3{transform-origin:left bottom;left:8px}
  .float-tag.ft-1,.float-tag.ft-2,.float-tag.ft-3{animation:none}
  .post-row{grid-template-columns:1fr}
  .post-row .thumb{aspect-ratio:16/8}
  .post-side{text-align:left;display:flex;align-items:baseline;gap:14px}
  .btn-group .btn{flex:1 1 100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .download-grid{grid-template-columns:1fr}
  .rank-item{grid-template-columns:26px 76px minmax(0,1fr)}
  .rank-thumb{width:76px;height:50px}
  .rank-end{grid-column:2/-1;text-align:left;margin-top:2px}
  .rank-end small{display:inline;margin-left:6px}
}
@media (max-width:420px){
  .hero-stats{grid-template-columns:1fr 1fr}
  .nav{height:66px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .js-ready [data-reveal]{opacity:1;transform:none}
}

/* ---------- 23 附加组件（内页专用） ---------- */
.prose{max-width:76ch}
.prose h2{font-size:1.5rem;margin:38px 0 14px;padding-left:14px;border-left:4px solid var(--brand)}
.prose h3{font-size:1.15rem;margin:26px 0 10px}
.prose p{margin-bottom:14px;color:var(--text)}
.prose li{position:relative;padding-left:22px;margin-bottom:9px;color:var(--text)}
.prose li::before{content:"";position:absolute;left:2px;top:.62em;width:8px;height:8px;border-radius:3px;background:var(--grad-brand);transform:rotate(45deg)}
.prose blockquote{
  margin:20px 0;padding:18px 22px;border-radius:var(--r-md);
  background:var(--brand-soft);border-left:4px solid var(--brand);
  color:var(--brand-2);font-weight:600;
}
.prose img{border-radius:var(--r-lg);margin:22px 0;box-shadow:var(--sh-2)}
.step-card{counter-increment:step;position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px 24px;box-shadow:var(--sh-1)}
.step-card::before{
  content:"0" counter(step);
  position:absolute;top:-16px;left:22px;
  background:var(--grad-brand);color:#fff;font-weight:800;font-style:italic;
  padding:6px 14px;border-radius:var(--r-full);box-shadow:var(--sh-brand);font-size:.9rem;
}
.steps-flow{counter-reset:step;display:grid;gap:30px}
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.matrix .mx{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px;text-align:center;box-shadow:var(--sh-1);
}
.matrix .mx b{display:block;color:var(--ink);font-size:.95rem;margin-bottom:4px}
.matrix .mx span{font-size:var(--fs-xs);color:var(--muted)}
.verify-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--mint-soft);color:#0E9B79;font-weight:700;font-size:var(--fs-xs);
  padding:6px 14px;border-radius:var(--r-full);
}
.verify-badge svg{width:14px;height:14px}
@media (max-width:680px){
  .matrix{grid-template-columns:1fr 1fr}
  .prose h2{font-size:1.3rem}
}
@media (max-width:960px) and (min-width:681px){
  .matrix{grid-template-columns:repeat(3,1fr)}
}