/* =========================================================
   每日大乱斗 · 设计系统 (Daily Brawl Design System)
   风格：现代 / 可爱大气 / 专业
   纯 CSS + 内联 SVG 艺术封面，无外链图片，零裂图风险
   ========================================================= */

/* 1. 设计变量 */
:root{
  /* 品牌主色 (3 档) */
  --brand:#6C4CF1;        /* 电光紫 */
  --brand-600:#5A3EDB;
  --brand-700:#4A30C4;

  /* 点缀色 (4 个) */
  --rose:#FF6F91;
  --amber:#FFB85C;
  --mint:#28C8A0;
  --sky:#4FB8FF;

  /* 中性色 */
  --ink:#1B1530;          /* 主文字 深紫黑 */
  --ink-2:#4B4368;        /* 次文字 */
  --ink-3:#8A82A6;        /* 弱文字 */
  --cream:#FFF7F0;        /* 页面背景 暖奶油 */
  --cream-2:#FFF1E6;      /* 浅底 */
  --paper:#FFFFFF;        /* 卡片底 */
  --line:rgba(27,21,48,.09);
  --line-2:rgba(27,21,48,.05);

  /* 渐变 (3 组) */
  --grad-brand:linear-gradient(135deg,#6C4CF1 0%,#FF6F91 100%);
  --grad-warm:linear-gradient(135deg,#FFB85C 0%,#FF6F91 100%);
  --grad-cool:linear-gradient(135deg,#6C4CF1 0%,#28C8A0 100%);
  --grad-sky:linear-gradient(135deg,#4FB8FF 0%,#6C4CF1 100%);

  /* 圆角 (6 档) */
  --r-xs:8px; --r-sm:12px; --r:18px; --r-lg:26px; --r-xl:34px; --r-pill:999px;

  /* 阴影 (5 档) */
  --sh-1:0 2px 8px rgba(27,21,48,.06);
  --sh-2:0 8px 24px rgba(27,21,48,.08);
  --sh-3:0 16px 40px rgba(27,21,48,.12);
  --sh-4:0 24px 60px rgba(108,76,241,.22);
  --sh-5:0 30px 80px rgba(108,76,241,.30);
  --ring:0 0 0 4px rgba(108,76,241,.16);

  /* 流式字号 */
  --fs-display:clamp(2.4rem,6vw,4.6rem);
  --fs-h1:clamp(2rem,4.4vw,3.4rem);
  --fs-h2:clamp(1.6rem,3vw,2.4rem);
  --fs-h3:clamp(1.25rem,2vw,1.55rem);
  --fs-lead:clamp(1.02rem,1.6vw,1.22rem);
  --fs-body:1rem;
  --fs-sm:.9rem;
  --fs-xs:.78rem;

  /* 布局 */
  --container:1180px;
  --gutter:clamp(18px,4vw,40px);
  --ease:cubic-bezier(.22,1,.36,1);
  --head-h:72px;
}

/* 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,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:var(--cream);
  font-size:var(--fs-body);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{list-style:none}
svg{display:block}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:6px}

/* 3. 布局工具 */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(56px,8vw,104px)}
.stack-3>*+*{margin-top:18px}
.center{text-align:center}
.muted{color:var(--ink-3)}
.tac{text-align:center}
.rel{position:relative}
.flex{display:flex}.ai-c{align-items:center}.jc-sb{justify-content:space-between}.jc-c{justify-content:center}.fw-w{flex-wrap:wrap}
.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.gap-24{gap:24px}.gap-32{gap:32px}
.grid{display:grid;gap:24px}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
.cols-auto{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.grid-side{display:grid;grid-template-columns:1.55fr .85fr;gap:32px;align-items:start}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.mx-auto{margin-inline:auto}
.maxw-720{max-width:720px}.maxw-880{max-width:880px}

/* 4. 文字标题组件 */
h1,h2,h3,h4{line-height:1.18;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.display{font-size:var(--fs-display);font-weight:800;letter-spacing:-.02em;text-wrap:balance}
.h2{font-size:var(--fs-h2);text-wrap:balance}
.h3{font-size:var(--fs-h3)}
.lead{font-size:var(--fs-lead);color:var(--ink-2);line-height:1.7}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:var(--fs-xs);font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);background:rgba(108,76,241,.10);padding:7px 14px;border-radius:var(--r-pill)}
.eyebrow.rose{color:var(--rose);background:rgba(255,111,145,.12)}
.eyebrow.mint{color:var(--mint);background:rgba(40,200,160,.12)}
.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}

/* 5. 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;border-radius:var(--r-pill);padding:13px 26px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .2s;white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-3)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:var(--sh-4)}
.btn-rose{background:var(--grad-warm);color:#fff;box-shadow:var(--sh-3)}
.btn-rose:hover{transform:translateY(-3px);box-shadow:var(--sh-4)}
.btn-ghost{background:var(--paper);color:var(--ink);box-shadow:var(--sh-1);border:1.5px solid var(--line)}
.btn-ghost:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand)}
.btn-line{background:transparent;color:var(--brand);border:2px solid rgba(108,76,241,.32)}
.btn-line:hover{background:rgba(108,76,241,.08)}
.btn-sm{padding:9px 18px;font-size:var(--fs-sm)}
.btn-lg{padding:16px 34px;font-size:1.05rem}
.btn-block{width:100%}
.btn-group{display:flex;gap:14px;flex-wrap:wrap}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:var(--fs-xs);font-weight:700;padding:5px 12px;border-radius:var(--r-pill);background:var(--cream-2);color:var(--ink-2)}

/* 6. 头部导航 */
.site-head{position:sticky;top:0;z-index:60;height:var(--head-h);background:rgba(255,247,240,.94);border-bottom:1px solid var(--line-2);transition:box-shadow .3s,background .3s}
.site-head.is-stuck{box-shadow:var(--sh-2);background:rgba(255,247,240,.94)}
.nav{height:var(--head-h);display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:11px;font-weight:900;font-size:1.22rem;letter-spacing:-.02em;color:var(--ink)}
.brand .logo-mark{width:40px;height:40px;flex:0 0 auto;filter:drop-shadow(0 4px 10px rgba(108,76,241,.35))}
.brand small{display:block;font-size:.62rem;font-weight:700;letter-spacing:.18em;color:var(--ink-3);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{position:relative;padding:9px 15px;border-radius:var(--r-pill);font-weight:600;font-size:.96rem;color:var(--ink-2);transition:color .2s,background .2s}
.nav-links a:hover{color:var(--brand);background:rgba(108,76,241,.07)}
.nav-links a.is-active{color:var(--brand);background:rgba(108,76,241,.12)}
.nav-links a.is-active::after{content:"";position:absolute;left:15px;right:15px;bottom:3px;height:3px;border-radius:3px;background:var(--grad-brand)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-links > .btn{display:none} /* 桌面端隐藏抽屉内 CTA，≤960 恢复 */
.nav-close{display:none}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;background:var(--paper);box-shadow:var(--sh-1);align-items:center;justify-content:center}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:20px;height:2.4px;background:var(--ink);border-radius:2px;transition:.3s var(--ease);position:relative}
.nav-toggle span::before{position:absolute;top:-6px}.nav-toggle span::after{position:absolute;top:6px}
.nav-scrim{position:fixed;inset:0;background:rgba(27,21,48,.42);opacity:0;visibility:hidden;transition:.3s;z-index:55}

/* 7. 卡片 */
.card{background:var(--paper);border-radius:var(--r-lg);box-shadow:var(--sh-1);border:1px solid var(--line-2);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh-3)}
.card-pad{padding:24px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:var(--fs-xs);font-weight:800;padding:5px 12px;border-radius:var(--r-pill);background:rgba(108,76,241,.10);color:var(--brand)}
.chip.rose{background:rgba(255,111,145,.14);color:var(--rose)}
.chip.mint{background:rgba(40,200,160,.14);color:var(--mint)}
.chip.amber{background:rgba(255,184,92,.18);color:#C77C12}
.chip.sky{background:rgba(79,184,255,.16);color:#1E7FC4}

/* 8. Hero */
.hero{position:relative;overflow:hidden;padding-block:clamp(60px,9vw,120px);background:
  radial-gradient(1200px 600px at 85% -10%,rgba(255,111,145,.20),transparent 60%),
  radial-gradient(900px 500px at 0% 110%,rgba(108,76,241,.18),transparent 55%),
  var(--cream)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1{margin-bottom:20px}
.hero .lead{margin-bottom:30px;max-width:560px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.hero-trust{display:flex;gap:26px;flex-wrap:wrap}
.hero-trust .tnum{font-size:1.7rem;font-weight:900;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-trust .tlbl{font-size:var(--fs-xs);color:var(--ink-3);font-weight:600}
.hero-art{position:relative;display:flex;align-items:center;justify-content:center;min-height:380px}
.hero-phone{position:relative;width:240px;height:480px;border-radius:42px;background:linear-gradient(160deg,#2a2150,#4A30C4);box-shadow:var(--sh-5);padding:14px;border:3px solid rgba(255,255,255,.18);animation:floaty 6s ease-in-out infinite}
.hero-phone::before{content:"";position:absolute;top:14px;left:50%;transform:translateX(-50%);width:90px;height:18px;background:rgba(0,0,0,.35);border-radius:0 0 14px 14px;z-index:3}
.hero-screen{width:100%;height:100%;border-radius:30px;overflow:hidden;background:var(--cream);display:flex;flex-direction:column}
.hs-bar{height:46px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:.92rem;letter-spacing:.04em}
.hs-body{padding:14px;display:flex;flex-direction:column;gap:10px;flex:1}
.hs-row{background:var(--paper);border-radius:14px;padding:10px;box-shadow:var(--sh-1);display:flex;gap:10px;align-items:center}
.hs-dot{width:34px;height:34px;border-radius:10px;flex:0 0 auto}
.hs-line{height:8px;border-radius:6px;background:var(--line)}
.float-badge{position:absolute;background:var(--paper);border-radius:16px;box-shadow:var(--sh-3);padding:11px 15px;display:flex;align-items:center;gap:10px;font-weight:800;font-size:.84rem;animation:floaty 5s ease-in-out infinite}
.float-badge .ic{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff}
.fb-1{top:24px;left:-6px;animation-delay:.4s}
.fb-2{bottom:34px;right:-10px;animation-delay:1.1s}
.blob{position:absolute;border-radius:50%;filter:blur(8px);opacity:.5;z-index:0}
.blob.b1{width:120px;height:120px;background:var(--rose);top:-20px;right:30px;animation:floaty 7s ease-in-out infinite}
.blob.b2{width:80px;height:80px;background:var(--amber);bottom:20px;left:40px;animation:floaty 8s ease-in-out infinite reverse}

/* 9. 跑马灯 */
.marquee{background:var(--ink);color:#fff;padding:14px 0;overflow:hidden;white-space:nowrap}
.marquee .track{display:inline-flex;gap:40px;animation:marquee 22s linear infinite;will-change:transform}
.marquee span{font-weight:800;font-size:1.05rem;letter-spacing:.04em;display:inline-flex;align-items:center;gap:14px}
.marquee span::after{content:"✦";color:var(--amber);font-size:.8rem}
.marquee span:hover{color:var(--amber)}

/* 10. 视频卡 */
.vcard{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);cursor:pointer;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.vcard:hover{transform:translateY(-6px);box-shadow:var(--sh-4)}
.vcard .thumb{position:relative;aspect-ratio:16/10}
.vcard .thumb svg{position:absolute;inset:0;width:100%;height:100%}
.vcard .vplay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:2}
.vcard .vplay .pbtn{width:62px;height:62px;border-radius:50%;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-3);transition:transform .3s var(--ease)}
.vcard:hover .vplay .pbtn{transform:scale(1.12)}
.vcard .vplay .pbtn svg{width:26px;height:26px;margin-left:3px;color:var(--brand)}
.vcard .vbadge{position:absolute;top:12px;left:12px;z-index:3;background:rgba(27,21,48,.62);color:#fff;font-size:var(--fs-xs);font-weight:800;padding:5px 11px;border-radius:var(--r-pill);backdrop-filter:blur(4px)}
.vcard .vdur{position:absolute;bottom:12px;right:12px;z-index:3;background:rgba(27,21,48,.72);color:#fff;font-size:.74rem;font-weight:700;padding:3px 9px;border-radius:var(--r-pill)}
.vcard .vbody{padding:15px 17px 18px}
.vcard .vmeta{display:flex;align-items:center;gap:10px;font-size:var(--fs-xs);color:var(--ink-3);margin-top:10px;flex-wrap:wrap}
.vcard .vmeta .vscore{color:var(--rose);font-weight:800;white-space:nowrap}
.vcard h4{font-size:1.04rem;line-height:1.4}
.vacts{display:flex;gap:14px;font-size:var(--fs-xs);color:var(--ink-3);white-space:nowrap}
.vacts b{color:var(--ink-2)}

/* 11. 榜单 */
.rank{background:var(--paper);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:22px 20px;border:1px solid var(--line-2)}
.rank h3{margin-bottom:14px;display:flex;align-items:center;gap:9px}
.rank-list{display:flex;flex-direction:column}
.rank-item{display:grid;grid-template-columns:30px 1fr auto;gap:12px;align-items:center;padding:11px 0;border-top:1px solid var(--line-2)}
.rank-item:first-child{border-top:0}
.rank-no{font-weight:900;font-size:1.05rem;color:var(--ink-3);text-align:center}
.rank-item:nth-child(1) .rank-no{color:var(--rose)}
.rank-item:nth-child(2) .rank-no{color:var(--amber)}
.rank-item:nth-child(3) .rank-no{color:var(--mint)}
.rank-t{font-weight:700;font-size:.96rem;line-height:1.35}
.rank-t a:hover{color:var(--brand)}
.rank-hot{font-size:var(--fs-xs);color:var(--ink-3);white-space:nowrap}
.rank-hot b{color:var(--rose)}

/* 12. 话题/文章列表 */
.topic{display:flex;gap:16px;padding:18px;border-radius:var(--r);background:var(--paper);box-shadow:var(--sh-1);border:1px solid var(--line-2);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.topic:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.topic .tcover{width:120px;height:88px;border-radius:14px;flex:0 0 auto;overflow:hidden;position:relative}
.topic .tcover svg{width:100%;height:100%}
.topic .tbody{flex:1;min-width:0}
.topic h3{font-size:1.1rem;line-height:1.4;margin-bottom:6px}
.topic h3 a:hover{color:var(--brand)}
.topic p{font-size:var(--fs-sm);color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic .tmeta{display:flex;gap:14px;font-size:var(--fs-xs);color:var(--ink-3);margin-top:10px;flex-wrap:wrap;align-items:center}

/* 13. 数据/特性 */
.stat-band{background:var(--ink);color:#fff;border-radius:var(--r-xl);padding:clamp(34px,5vw,56px);position:relative;overflow:hidden}
.stat-band::before{content:"";position:absolute;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(255,111,145,.5),transparent 70%);top:-120px;right:-80px}
.stat-band::after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(108,76,241,.6),transparent 70%);bottom:-120px;left:-60px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:1}
.stat .snum{font-size:clamp(2rem,3.4vw,2.9rem);font-weight:900;background:linear-gradient(135deg,#fff,#FFB85C);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.stat .slbl{color:rgba(255,255,255,.78);font-size:.92rem;margin-top:8px;font-weight:600}

.feature{display:flex;gap:18px;padding:24px;border-radius:var(--r-lg);background:var(--paper);box-shadow:var(--sh-1);border:1px solid var(--line-2);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.feature:hover{transform:translateY(-6px);box-shadow:var(--sh-3)}
.feature .ficon{width:54px;height:54px;border-radius:16px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:var(--sh-2)}
.feature .ficon svg{width:26px;height:26px}
.feature h3{font-size:1.15rem;margin-bottom:6px}
.feature p{font-size:var(--fs-sm);color:var(--ink-2)}

.col-card{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:230px;display:flex;align-items:flex-end;box-shadow:var(--sh-2);transition:transform .3s var(--ease),box-shadow .3s var(--ease);cursor:pointer}
.col-card:hover{transform:translateY(-6px);box-shadow:var(--sh-4)}
.col-card .cc-bg{position:absolute;inset:0}
.col-card .cc-bg svg{width:100%;height:100%}
.col-card .cc-veil{position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(27,21,48,.78) 100%)}
.col-card .cc-body{position:relative;z-index:2;padding:22px;color:#fff}
.col-card .cc-body h3{color:#fff;font-size:1.3rem;margin-bottom:4px}
.col-card .cc-body p{font-size:var(--fs-sm);color:rgba(255,255,255,.82)}

/* 14. 评价 */
.review{background:var(--paper);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);border:1px solid var(--line-2);position:relative}
.review .quote{font-size:2.4rem;line-height:0;color:var(--brand);opacity:.3;font-weight:900}
.review p{font-size:1.02rem;color:var(--ink-2);margin:10px 0 18px;line-height:1.7}
.review .who{display:flex;align-items:center;gap:12px}
.review .ava{width:46px;height:46px;border-radius:50%;flex:0 0 auto;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1.1rem}
.review .who b{display:block;font-size:.96rem}
.review .who span{font-size:var(--fs-xs);color:var(--ink-3)}

/* 15. CTA/下载 */
.cta-band{background:var(--grad-brand);border-radius:var(--r-xl);padding:clamp(40px,6vw,72px);text-align:center;color:#fff;position:relative;overflow:hidden}
.cta-band h2,.cta-band h3{color:#fff}
.cta-band h2{font-size:var(--fs-h2);margin-bottom:14px;text-wrap:balance}
.cta-band p{color:rgba(255,255,255,.9);max-width:560px;margin:0 auto 28px;font-size:var(--fs-lead)}
.cta-band .btn-primary{background:#fff;color:var(--brand)}
.cta-band .btn-primary:hover{background:#fff;transform:translateY(-3px)}
.cta-band .blob{opacity:.35}
.cta-band .blob.c1{width:200px;height:200px;background:#fff;top:-60px;left:-40px}
.cta-band .blob.c2{width:160px;height:160px;background:var(--amber);bottom:-50px;right:-30px}

/* 16. FAQ */
.faq-item{border:1px solid var(--line);border-radius:var(--r);background:var(--paper);margin-bottom:14px;overflow:hidden;transition:box-shadow .25s}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;font-weight:700;font-size:1.05rem;cursor:pointer}
.faq-q .chev{width:30px;height:30px;border-radius:50%;background:rgba(108,76,241,.10);color:var(--brand);display:flex;align-items:center;justify-content:center;flex:0 0 auto;transition:transform .3s var(--ease)}
.faq-item.open .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a p{padding:0 22px 22px;color:var(--ink-2);font-size:var(--fs-sm);line-height:1.8}

/* 17. 提示条/弹层 */
.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:13px 22px;border-radius:var(--r-pill);box-shadow:var(--sh-3);font-weight:600;font-size:.94rem;opacity:0;visibility:hidden;transition:.3s var(--ease);z-index:90}
.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.toast .ic{color:var(--mint);margin-right:8px;vertical-align:-2px}
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal-scrim{position:absolute;inset:0;background:rgba(27,21,48,.6);backdrop-filter:blur(4px)}
.modal-box{position:relative;z-index:2;background:var(--paper);border-radius:var(--r-lg);box-shadow:var(--sh-5);width:min(880px,100%);max-height:90vh;overflow:auto;animation:pop .35s var(--ease)}
.modal-box .mclose{position:absolute;top:14px;right:14px;z-index:3;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.9);box-shadow:var(--sh-1);display:flex;align-items:center;justify-content:center;color:var(--ink)}
.modal-box .mclose:hover{background:#fff;transform:rotate(90deg)}
.video-stage{aspect-ratio:16/9;background:#15102b;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);border-radius:var(--r-lg) var(--r-lg) 0 0}
.video-stage svg{width:64px;height:64px;color:#fff}
.modal-box .mbody{padding:22px 26px 28px}
.qr-box{display:grid;grid-template-columns:200px 1fr;gap:24px;align-items:center}
.qr-box .qr{width:200px;height:200px;border-radius:var(--r);background:#fff;border:1px solid var(--line);padding:12px}

/* 18. 页脚 */
.site-foot{background:var(--ink);color:rgba(255,255,255,.82);padding-block:clamp(48px,7vw,72px) 28px;border-radius:var(--r-xl) var(--r-xl) 0 0;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.foot-brand .brand{color:#fff;margin-bottom:16px}
.foot-brand p{font-size:var(--fs-sm);color:rgba(255,255,255,.6);max-width:300px;line-height:1.7}
.foot-col h4{color:#fff;font-size:1rem;margin-bottom:16px}
.foot-col a{display:block;padding:6px 0;font-size:var(--fs-sm);color:rgba(255,255,255,.66);transition:color .2s,padding-left .2s}
.foot-col a:hover{color:var(--amber);padding-left:6px}
.kw-cloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.kw-cloud a{font-size:var(--fs-xs);font-weight:600;padding:6px 13px;border-radius:var(--r-pill);background:rgba(255,255,255,.07);color:rgba(255,255,255,.78);transition:.2s}
.kw-cloud a:hover{background:var(--grad-brand);color:#fff}
.foot-disclaimer{margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:var(--fs-xs);color:rgba(255,255,255,.5);line-height:1.8}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:18px;font-size:var(--fs-xs);color:rgba(255,255,255,.5)}

/* 19. 内页页头 */
.page-head{position:relative;overflow:hidden;padding-block:clamp(44px,6vw,76px);background:
  radial-gradient(800px 400px at 90% -20%,rgba(255,111,145,.22),transparent 60%),
  radial-gradient(700px 400px at 0% 120%,rgba(108,76,241,.18),transparent 55%),
  var(--cream-2)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:var(--fs-sm);color:var(--ink-3);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.5}
.page-head h1{font-size:var(--fs-h1);margin-bottom:14px;text-wrap:balance}
.page-head .lead{max-width:640px}

/* 20. 分页 / 筛选 */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.filter-bar button{padding:9px 18px;border-radius:var(--r-pill);font-weight:700;font-size:.92rem;background:var(--paper);color:var(--ink-2);box-shadow:var(--sh-1);border:1.5px solid transparent;transition:.2s}
.filter-bar button:hover{color:var(--brand);border-color:rgba(108,76,241,.3)}
.filter-bar button.is-on{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-2)}
.filter-bar button .cnt{opacity:.7;font-size:.82rem;margin-left:4px}

/* 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}
.reveal-stagger > *{transition-delay:calc(var(--i,0) * 80ms)}
@keyframes reveal-safety{to{opacity:1;transform:none}}
.js-ready [data-reveal]{animation:reveal-safety .01s linear 2.4s forwards}

/* 22. 响应式 */
@media (max-width:1080px){
  .grid-side{gap:24px}
  .hero-grid{gap:32px}
}
@media (max-width:960px){
  .nav-links{position:fixed;top:0;right:0;height:100vh;width:min(320px,84vw);flex-direction:column;align-items:stretch;justify-content:flex-start;gap:4px;background:var(--cream);box-shadow:var(--sh-5);padding:84px 20px 30px;transform:translateX(100%);transition:transform .35s var(--ease);z-index:80}
  .nav-links.is-open{transform:none}
  .nav-links a{padding:14px 16px;font-size:1.05rem}
  .nav-links a.is-active::after{display:none}
  .nav-links > .btn{display:inline-flex;margin-top:12px}
  .nav-close{display:flex;position:absolute;top:18px;right:18px;width:42px;height:42px;border-radius:50%;background:var(--paper);box-shadow:var(--sh-1);align-items:center;justify-content:center;color:var(--ink);font-size:1.4rem}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr}
  .hero-art{order:-1;min-height:300px}
  .cols-4{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:30px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .grid-side{grid-template-columns:1fr}
  .qr-box{grid-template-columns:1fr;justify-items:center;text-align:center}
}
@media (max-width:680px){
  .cols-2,.cols-3,.cols-4{grid-template-columns:1fr}
  .btn-group .btn{flex:1 1 100%}
  .hero-trust{gap:18px}
  .topic{flex-direction:column}
  .topic .tcover{width:100%;height:160px}
  .foot-grid{grid-template-columns:1fr}
  .page-head .lead{font-size:1rem}
}
@media (max-width:420px){
  .container{padding-inline:16px}
  .hero-trust .tnum{font-size:1.4rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .js-ready [data-reveal]{opacity:1!important;transform:none!important}
}

/* 23. 附加组件 (内页专用) */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{position:relative;background:var(--paper);border-radius:var(--r-lg);padding:28px 22px 24px;box-shadow:var(--sh-1);border:1px solid var(--line-2)}
.step::before{counter-increment:step;content:"0" counter(step);font-size:2.2rem;font-weight:900;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:8px}
.step h3{font-size:1.1rem;margin-bottom:6px}
.step p{font-size:var(--fs-sm);color:var(--ink-2)}
.matrix{width:100%;border-collapse:collapse;background:var(--paper);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.matrix th,.matrix td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line-2);font-size:var(--fs-sm)}
.matrix th{background:var(--cream-2);font-weight:800;color:var(--ink)}
.matrix tr:last-child td{border-bottom:0}
.matrix td .yes{color:var(--mint);font-weight:900}
.matrix td .no{color:var(--ink-3)}
.matrix td b{color:var(--brand)}
.prose{max-width:760px;margin-inline:auto;line-height:1.85;color:var(--ink-2);font-size:1.06rem}
.prose h2{font-size:1.5rem;color:var(--ink);margin:34px 0 14px}
.prose h3{font-size:1.2rem;color:var(--ink);margin:26px 0 10px}
.prose p{margin-bottom:16px}
.prose ul{list-style:disc;padding-left:22px;margin-bottom:16px}
.prose li{margin-bottom:8px}
.prose li::marker{color:var(--brand)}
.prose blockquote{border-left:4px solid var(--brand);background:var(--cream-2);padding:14px 20px;border-radius:0 var(--r) var(--r) 0;margin:18px 0;font-style:italic;color:var(--ink)}
.subscribe{background:var(--grad-cool);border-radius:var(--r-xl);padding:clamp(34px,5vw,56px);color:#fff;text-align:center;position:relative;overflow:hidden}
.subscribe h2{color:#fff;font-size:var(--fs-h2);margin-bottom:10px}
.subscribe p{color:rgba(255,255,255,.9);margin-bottom:24px}
.sub-form{display:flex;gap:12px;max-width:480px;margin-inline:auto;flex-wrap:wrap}
.sub-form input{flex:1 1 240px;padding:14px 20px;border-radius:var(--r-pill);border:0;font-size:1rem;box-shadow:var(--sh-2)}
.sub-form .btn-primary{background:#fff;color:var(--brand)}
.comment{background:var(--paper);border-radius:var(--r);padding:18px;box-shadow:var(--sh-1);border:1px solid var(--line-2);margin-bottom:14px}
.comment .cwho{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.comment .cava{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800}
.comment .cwho b{font-size:.94rem}
.comment .cwho span{font-size:var(--fs-xs);color:var(--ink-3)}
.comment p{font-size:var(--fs-sm);color:var(--ink-2)}
.compose{background:var(--paper);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);border:1px solid var(--line-2);margin-bottom:24px}
.compose textarea,.compose input{width:100%;padding:13px 16px;border-radius:var(--r-sm);border:1.5px solid var(--line);font:inherit;font-size:.95rem;margin-bottom:12px;background:var(--cream)}
.compose textarea{min-height:90px;resize:vertical}
.compose .row{display:flex;gap:12px;flex-wrap:wrap}
.to-top{position:fixed;right:24px;bottom:24px;width:50px;height:50px;border-radius:50%;background:var(--grad-brand);color:#fff;box-shadow:var(--sh-3);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s var(--ease);z-index:70}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{transform:translateY(-3px)}
.hero-mascot{width:120px;height:120px}

@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes pop{from{opacity:0;transform:scale(.94) translateY(10px)}to{opacity:1;transform:none}}