/* =========================================================
   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 渐变 + 内联 SVG，无外链图片，加载快、适配 Bing 抓取
   ========================================================= */

/* 1. 设计变量 */
:root{
  /* 品牌三档 */
  --pink:#FF4D7D;
  --coral:#FF7A4D;
  --gold:#FFB020;
  /* 点缀色 */
  --purple:#7B5CFF;
  --blue:#36C5F0;
  --green:#2FD09A;
  --rose:#FF8FB1;

  /* 中性色 */
  --ink:#241B33;
  --ink-2:#3A3050;
  --muted:#6F6785;
  --line:#F0E7EF;
  --line-2:#E5D9E8;
  --bg:#FFF7F2;
  --bg-2:#FFFDFB;
  --surface:#FFFFFF;
  --ink-deep:#1B1430;
  --ink-deep-2:#2A1E47;

  /* 渐变 */
  --grad-brand:linear-gradient(118deg,#FF4D7D 0%,#FF7A4D 48%,#FFB020 100%);
  --grad-purple:linear-gradient(120deg,#7B5CFF 0%,#FF4D7D 100%);
  --grad-cool:linear-gradient(120deg,#36C5F0 0%,#7B5CFF 100%);
  --grad-soft:linear-gradient(135deg,#FFF1F4 0%,#FFF6EA 100%);

  /* 圆角 */
  --r-sm:12px;
  --r:18px;
  --r-lg:26px;
  --r-xl:38px;
  --r-pill:999px;

  /* 阴影 */
  --sh-1:0 4px 16px rgba(255,77,125,.10);
  --sh-2:0 14px 40px rgba(123,92,255,.14);
  --sh-3:0 26px 70px rgba(36,27,51,.18);
  --sh-pink:0 12px 30px rgba(255,77,125,.28);

  /* 排版 */
  --font:"Outfit","Noto Sans SC",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  --container:1180px;
  --gutter:22px;
  --ease:cubic-bezier(.22,1,.36,1);

  /* 流式字号 */
  --fs-hero:clamp(2.3rem,6vw,4.4rem);
  --fs-h2:clamp(1.7rem,3.6vw,2.7rem);
  --fs-h3:clamp(1.18rem,2vw,1.5rem);
}

/* 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:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
::selection{background:rgba(255,77,125,.22)}
h1,h2,h3,h4{line-height:1.16;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:var(--fs-hero)}
h2{font-size:var(--fs-h2)}
h3{font-size:var(--fs-h3)}
p{color:var(--muted)}

/* 3. 布局工具 */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(56px,8vw,104px) 0}
.grid{display:grid;gap:var(--gutter)}
.center{text-align:center}
.muted{color:var(--muted)}
.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--pink);
}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:3px;background:var(--grad-brand)}
.lead{font-size:clamp(1rem,1.4vw,1.18rem);color:var(--muted);max-width:62ch}
.divider{height:1px;background:var(--line);border:0;margin:0}
.section-head{max-width:720px;margin:0 auto clamp(34px,5vw,56px);text-align:center}
.section-head h2{margin:14px 0 14px}
.section-head .lead{margin-inline:auto}

/* 4. 文字标题组件 */
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line-2);
  font-weight:700;font-size:.8rem;color:var(--ink-2);
  box-shadow:var(--sh-1);
}

/* 5. 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:var(--r-pill);
  font-weight:700;font-size:1rem;line-height:1;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-pink)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(255,77,125,.4)}
.btn-dark{background:var(--ink-deep);color:#fff;box-shadow:var(--sh-2)}
.btn-dark:hover{transform:translateY(-3px);box-shadow:0 20px 46px rgba(27,20,48,.4)}
.btn-ghost{background:var(--surface);color:var(--ink);border:1.5px solid var(--line-2);box-shadow:var(--sh-1)}
.btn-ghost:hover{border-color:var(--pink);color:var(--pink);transform:translateY(-3px)}
.btn-lg{padding:17px 34px;font-size:1.08rem}
.btn-sm{padding:10px 18px;font-size:.9rem}
.btn .ic{width:20px;height:20px}
.btn-group{display:flex;flex-wrap:wrap;gap:14px}

/* 6. 头部导航 */
.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(255,247,242,.82);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease);
}
.site-head.scrolled{box-shadow:0 8px 30px rgba(36,27,51,.08);border-bottom-color:var(--line);background:rgba(255,247,242,.95)}
.nav{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.22rem;color:var(--ink)}
.brand .logo{
  width:42px;height:42px;border-radius:13px;flex:none;
  background:var(--grad-brand);box-shadow:var(--sh-pink);
  display:grid;place-items:center;position:relative;overflow:hidden;
}
.brand .logo svg{width:26px;height:26px}
.brand b{color:var(--pink)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 15px;border-radius:var(--r-pill);font-weight:600;color:var(--ink-2);font-size:.96rem;
  position:relative;transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-links a:hover{background:var(--bg-2);color:var(--pink)}
.nav-links a.is-active{color:var(--pink);background:var(--grad-soft)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:6px}
.nav-toggle,.nav-close{display:none}
.nav-scrim{display:none}
.nav-drawer-cta{display:none}   /* 桌面隐藏抽屉内 CTA，避免重复按钮 */

/* 7. 卡片 */
.card{
  background:var(--surface);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),border-color .3s var(--ease);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:var(--line-2)}

/* 8. Hero */
.hero{position:relative;padding:clamp(40px,7vw,86px) 0 clamp(50px,7vw,90px);overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(8px);opacity:.55}
.blob.b1{width:520px;height:520px;background:radial-gradient(circle at 30% 30%,rgba(255,77,125,.55),transparent 70%);top:-160px;right:-120px}
.blob.b2{width:460px;height:460px;background:radial-gradient(circle at 50% 50%,rgba(123,92,255,.42),transparent 70%);bottom:-180px;left:-140px}
.blob.b3{width:300px;height:300px;background:radial-gradient(circle at 50% 50%,rgba(255,176,32,.4),transparent 70%);top:40%;left:46%}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center}
.hero h1{margin:18px 0 18px;text-wrap:balance}
.hero h1 .pop{position:relative;display:inline-block}
.hero h1 .pop::after{
  content:"";position:absolute;left:-2%;right:-2%;bottom:.06em;height:.34em;
  background:var(--grad-brand);border-radius:var(--r-pill);z-index:-1;opacity:.32;
}
.hero p.lead{margin-bottom:30px}
.hero-search{
  display:flex;align-items:center;gap:10px;background:var(--surface);
  border:1.5px solid var(--line-2);border-radius:var(--r-pill);
  padding:9px 9px 9px 20px;box-shadow:var(--sh-1);max-width:480px;
}
.hero-search input{flex:1;border:0;outline:0;font-size:1rem;background:transparent;color:var(--ink);font-family:inherit}
.hero-search input::placeholder{color:#b3a9c2}
.hero-search .btn{padding:12px 22px}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px}
.hero-meta .stat{display:flex;flex-direction:column}
.hero-meta .num{font-size:1.7rem;font-weight:800;color:var(--ink);line-height:1}
.hero-meta .lbl{font-size:.86rem;color:var(--muted);margin-top:4px}

/* Hero 吉祥物卡 */
.hero-art{position:relative;display:grid;place-items:center;min-height:420px}
.mascot-card{
  position:relative;width:min(380px,90%);aspect-ratio:1/1.04;
  background:var(--grad-soft);border-radius:42px;
  border:1px solid var(--line-2);box-shadow:var(--sh-3);
  display:grid;place-items:center;overflow:hidden;
}
.mascot-card .ring{position:absolute;inset:18px;border:2px dashed rgba(255,77,125,.25);border-radius:34px}
.float-chip{
  position:absolute;background:var(--surface);border:1px solid var(--line-2);
  border-radius:var(--r-pill);padding:9px 15px;font-weight:700;font-size:.86rem;
  box-shadow:var(--sh-2);display:flex;align-items:center;gap:7px;
}
.float-chip .dot{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(47,208,154,.18)}
.fc1{top:24px;left:-14px;animation:floaty 5s var(--ease) infinite}
.fc2{bottom:44px;right:-18px;animation:floaty 6s var(--ease) infinite reverse}
.fc3{bottom:-12px;left:40px;animation:floaty 7s var(--ease) infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* 9. 跑马灯 */
.marquee{background:var(--ink-deep);color:#fff;padding:15px 0;overflow:hidden;position:relative}
.marquee::before,.marquee::after{content:"";position:absolute;top:0;bottom:0;width:90px;z-index:2;pointer-events:none}
.marquee::before{left:0;background:linear-gradient(90deg,var(--ink-deep),transparent)}
.marquee::after{right:0;background:linear-gradient(270deg,var(--ink-deep),transparent)}
.marquee-track{display:flex;gap:34px;width:max-content;animation:scroll 26s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee a{display:inline-flex;align-items:center;gap:9px;color:#fff;font-weight:600;font-size:.95rem;white-space:nowrap;opacity:.92}
.marquee a .fire{color:var(--gold)}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* 10. 视频卡 / 话题卡 */
.topic-grid{grid-template-columns:repeat(3,1fr)}
.topic-card{
  background:var(--surface);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);
  display:flex;flex-direction:column;
}
.topic-card:hover{transform:translateY(-7px);box-shadow:var(--sh-3)}
.thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.thumb .cover{position:absolute;inset:0;display:grid;place-items:center}
.thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(27,20,48,.28));z-index:1}
.thumb .play{
  position:absolute;z-index:3;inset:0;margin:auto;width:62px;height:62px;border-radius:50%;
  background:rgba(255,255,255,.92);display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.25);
  transition:transform .25s var(--ease);
}
.topic-card:hover .play{transform:scale(1.12)}
.thumb .badge{position:absolute;z-index:3;top:14px;left:14px;background:rgba(27,20,48,.7);color:#fff;
  font-size:.74rem;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);backdrop-filter:blur(4px)}
.thumb .dur{position:absolute;z-index:3;bottom:14px;right:14px;background:rgba(27,20,48,.78);color:#fff;
  font-size:.74rem;font-weight:700;padding:4px 10px;border-radius:var(--r-pill)}
.topic-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.topic-body .ch{font-size:.76rem;font-weight:700;color:var(--pink);letter-spacing:.04em}
.topic-body h3{font-size:1.06rem;line-height:1.35}
.topic-body .meta{margin-top:auto;display:flex;align-items:center;gap:14px;font-size:.82rem;color:var(--muted)}
.topic-body .meta .v{display:inline-flex;align-items:center;gap:5px}

/* 11. 榜单 */
.rank-list{display:flex;flex-direction:column;gap:12px}
.rank-item{
  display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:14px 18px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.rank-item:hover{transform:translateX(4px);box-shadow:var(--sh-1);border-color:var(--line-2)}
.rank-no{font-size:1.4rem;font-weight:800;color:var(--muted);text-align:center;font-family:"Outfit",sans-serif}
.rank-item:nth-child(1) .rank-no{color:var(--pink)}
.rank-item:nth-child(2) .rank-no{color:var(--coral)}
.rank-item:nth-child(3) .rank-no{color:var(--gold)}
.rank-main .t{font-weight:700;color:var(--ink);font-size:1rem;line-height:1.4}
.rank-main .s{font-size:.8rem;color:var(--muted);margin-top:2px}
.rank-end{font-size:.8rem;font-weight:700;color:var(--pink);white-space:nowrap;display:inline-flex;align-items:center;gap:5px}
.rank-up{color:var(--green)}

/* 12. 文章/话题列表 */
.feat-grid{grid-template-columns:repeat(2,1fr)}
.feat-card{display:flex;gap:18px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.feat-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2)}
.feat-ic{width:54px;height:54px;border-radius:16px;flex:none;display:grid;place-items:center;color:#fff;font-size:1.5rem;box-shadow:var(--sh-1)}
.feat-card h3{font-size:1.08rem;margin-bottom:6px}
.feat-card p{font-size:.92rem}

/* 13. 数据/特性 */
.stats-band{background:var(--ink-deep);color:#fff;border-radius:var(--r-xl);padding:clamp(34px,5vw,56px);
  position:relative;overflow:hidden}
.stats-band::before{content:"";position:absolute;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,125,.35),transparent 70%);top:-120px;right:-80px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;position:relative;z-index:1}
.stat-card{text-align:center}
.stat-card .n{font-size:clamp(2rem,4vw,3rem);font-weight:800;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.stat-card .l{color:rgba(255,255,255,.72);margin-top:8px;font-size:.94rem}
.stats-band h2{color:#fff}
.stats-band .grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}

/* 14. 评价 */
.review-grid{grid-template-columns:repeat(3,1fr)}
.review{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1)}
.review .stars{color:var(--gold);font-size:1.05rem;letter-spacing:2px;margin-bottom:12px}
.review p{color:var(--ink-2);font-size:.96rem}
.review .who{display:flex;align-items:center;gap:12px;margin-top:18px}
.review .av{width:44px;height:44px;border-radius:50%;background:var(--grad-purple);display:grid;place-items:center;color:#fff;font-weight:800;flex:none}
.review .who b{display:block;color:var(--ink);font-size:.95rem}
.review .who span{font-size:.8rem;color:var(--muted)}

/* 15. CTA / 下载 */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad-brand);color:#fff;padding:clamp(40px,6vw,68px);text-align:center;
  box-shadow:0 30px 70px rgba(255,77,125,.35);
}
.cta-band h1,.cta-band h2,.cta-band h3{color:#fff}
.cta-band p{color:rgba(255,255,255,.92)}
.cta-band .blob-cta{position:absolute;border-radius:50%;background:rgba(255,255,255,.16);filter:blur(2px)}
.cta-band .bc1{width:240px;height:240px;top:-90px;left:-60px}
.cta-band .bc2{width:200px;height:200px;bottom:-80px;right:-40px}

/* 16. FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);margin-bottom:14px;overflow:hidden;transition:box-shadow .25s var(--ease),border-color .25s var(--ease)}
.faq-item.open{box-shadow:var(--sh-2);border-color:var(--line-2)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;text-align:left;
  padding:20px 24px;font-weight:700;font-size:1.05rem;color:var(--ink)}
.faq-q .pm{flex:none;width:30px;height:30px;border-radius:50%;background:var(--grad-soft);display:grid;place-items:center;
  color:var(--pink);font-size:1.3rem;transition:transform .3s var(--ease)}
.faq-item.open .pm{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a .inner{padding:0 24px 22px;color:var(--muted);font-size:.96rem}

/* 17. 提示条 / 弹层 */
.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%,140%);z-index:200;
  background:var(--ink-deep);color:#fff;padding:13px 22px;border-radius:var(--r-pill);
  box-shadow:var(--sh-3);font-weight:600;font-size:.94rem;display:flex;align-items:center;gap:9px;
  transition:transform .4s var(--ease);max-width:90vw}
.toast.show{transform:translate(-50%,0)}
.toast .ok{color:var(--green)}
.modal{position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;padding:20px}
.modal.show{display:flex}
.modal-scrim{position:absolute;inset:0;background:rgba(27,20,48,.6);backdrop-filter:blur(3px)}
.modal-box{position:relative;z-index:1;background:var(--surface);border-radius:var(--r-lg);max-width:520px;width:100%;
  padding:30px;box-shadow:var(--sh-3);animation:pop .35s var(--ease)}
@keyframes pop{from{opacity:0;transform:scale(.92) translateY(10px)}to{opacity:1;transform:none}}
.modal-box .x{position:absolute;top:14px;right:16px;width:36px;height:36px;border-radius:50%;background:var(--bg);
  display:grid;place-items:center;font-size:1.3rem;color:var(--muted);transition:background .2s,color .2s}
.modal-box .x:hover{background:var(--grad-soft);color:var(--pink)}

/* 18. 页脚 */
.site-foot{background:var(--ink-deep);color:#cfc6df;padding:64px 0 30px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand .brand{color:#fff;margin-bottom:16px}
.foot-brand p{color:#a99fc4;font-size:.92rem;max-width:34ch}
.foot-col h4{color:#fff;font-size:1rem;margin-bottom:16px}
.foot-col a{display:block;color:#a99fc4;padding:6px 0;font-size:.92rem;transition:color .2s,transform .2s}
.foot-col a:hover{color:#fff;transform:translateX(3px)}
.foot-tags{display:flex;flex-wrap:wrap;gap:9px;margin:26px 0}
.foot-tags a{font-size:.8rem;padding:6px 13px;border-radius:var(--r-pill);background:rgba(255,255,255,.07);color:#cfc6df;transition:background .2s,color .2s}
.foot-tags a:hover{background:var(--grad-brand);color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:42px;padding-top:24px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:.84rem;color:#8f86ad}
.foot-bottom a{color:#8f86ad}
.foot-bottom a:hover{color:#fff}
.disclaimer{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:var(--r);
  padding:16px 18px;margin-top:22px;font-size:.82rem;color:#9b91ba;line-height:1.7}

/* 19. 内页页头 */
.page-hero{position:relative;padding:clamp(46px,6vw,72px) 0;background:var(--grad-soft);overflow:hidden}
.page-hero .blob{opacity:.5}
.page-hero h1{margin:14px 0 14px;text-wrap:balance}
.breadcrumb{display:flex;gap:8px;align-items:center;font-size:.86rem;color:var(--muted);flex-wrap:wrap}
.breadcrumb a:hover{color:var(--pink)}
.breadcrumb .sep{opacity:.5}

/* 20. 分页 */
.pager{display:flex;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap}
.pager a{min-width:42px;height:42px;padding:0 14px;border-radius:var(--r-pill);display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--line-2);font-weight:700;color:var(--ink-2);transition:all .2s var(--ease)}
.pager a:hover{border-color:var(--pink);color:var(--pink)}
.pager a.is-active{background:var(--grad-brand);color:#fff;border-color:transparent}

/* 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]{transition:opacity .2s}
@keyframes reveal-safety{to{opacity:1;transform:none}}
.js-ready [data-reveal]{animation:reveal-safety .01s linear 2.6s forwards}

/* 22. 响应式 */
@media(max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:30px}
  .hero-art{min-height:360px;order:-1}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:34px}
  .topic-grid,.review-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media(max-width:960px){
  .nav-links{
    position:fixed;top:0;right:0;height:100dvh;width:min(82vw,340px);
    background:var(--surface);flex-direction:column;align-items:stretch;gap:6px;
    padding:88px 22px 30px;margin:0;z-index:80;box-shadow:-20px 0 60px rgba(27,20,48,.25);
    transform:translateX(100%);transition:transform .35s var(--ease);overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{padding:14px 16px;font-size:1.05rem;border-radius:var(--r)}
  .nav-links a.is-active{background:var(--grad-soft)}
  .nav-drawer-cta{display:inline-flex;margin-top:14px;width:100%}  /* 移动端抽屉内显示 CTA */
  .nav-cta{display:none}              /* 移动端隐藏顶部 CTA，改用抽屉内按钮 */
  .nav-toggle{display:grid;place-items:center;width:44px;height:44px;border-radius:13px;
    background:var(--surface);border:1px solid var(--line-2);box-shadow:var(--sh-1);margin-left:auto}
  .nav-toggle svg{width:22px;height:22px;stroke:var(--ink)}
  .nav-close{display:grid;place-items:center;position:absolute;top:20px;right:18px;width:40px;height:40px;
    border-radius:50%;background:var(--bg);font-size:1.4rem;color:var(--muted);z-index:2}
  .nav-scrim{display:block;position:fixed;inset:0;background:rgba(27,20,48,.5);z-index:55;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
  .nav-scrim.show{opacity:1;visibility:visible}
}
@media(max-width:680px){
  .topic-grid,.review-grid,.feat-grid,.stats-grid{grid-template-columns:1fr}
  .hero-meta{gap:18px}
  .hero-meta .num{font-size:1.4rem}
  .btn-group .btn{flex:1 1 100%}
  .hero-search{flex-wrap:nowrap}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .float-chip{font-size:.8rem}
  .mascot-card{width:min(320px,86%)}
  .section{padding:clamp(46px,12vw,64px) 0}
}
@media(max-width:420px){
  .container{padding:0 16px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .rank-item{grid-template-columns:36px 1fr;row-gap:6px}
  .rank-end{grid-column:2/-1}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important;transition:none!important}
  .js-ready [data-reveal]{opacity:1!important;transform:none!important}
}

/* 封面渐变（替代外链图片，无裂图风险） */
.cv1{background:linear-gradient(135deg,#FF6B9D,#FFB23E)}
.cv2{background:linear-gradient(135deg,#7B5CFF,#36C5F0)}
.cv3{background:linear-gradient(135deg,#FF7A4D,#FF4D7D)}
.cv4{background:linear-gradient(135deg,#2FD09A,#36C5F0)}
.cv5{background:linear-gradient(135deg,#FFB020,#FF7A4D)}
.cv6{background:linear-gradient(135deg,#FF4D7D,#7B5CFF)}
.cv7{background:linear-gradient(135deg,#36C5F0,#2FD09A)}
.cv8{background:linear-gradient(135deg,#7B5CFF,#FF6B9D)}
.cv9{background:linear-gradient(135deg,#FF8FB1,#FFB020)}
.cv10{background:linear-gradient(135deg,#2A1E47,#7B5CFF)}
.cover-emoji{font-size:3.4rem;filter:drop-shadow(0 6px 14px rgba(0,0,0,.18));z-index:2;position:relative}
.cover-pat{position:absolute;inset:0;opacity:.16;background-image:radial-gradient(circle at 20% 20%,#fff 2px,transparent 3px),radial-gradient(circle at 70% 60%,#fff 2px,transparent 3px);background-size:46px 46px}

/* 23. 附加组件（内页专用） */
.grid-side{display:grid;grid-template-columns:1.2fr .8fr;gap:var(--gutter)}
@media(max-width:960px){.grid-side{grid-template-columns:1fr}}
.aside-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);position:sticky;top:92px}
.aside-card h3{margin-bottom:16px}
.tag-row{display:flex;flex-wrap:wrap;gap:9px}
.tag-row a{font-size:.84rem;padding:7px 14px;border-radius:var(--r-pill);background:var(--bg-2);border:1px solid var(--line-2);color:var(--ink-2);transition:all .2s var(--ease)}
.tag-row a:hover{border-color:var(--pink);color:var(--pink)}

/* 频道卡 */
.chan-grid{grid-template-columns:repeat(3,1fr)}
.chan-card{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:26px;min-height:180px;
  color:#fff;box-shadow:var(--sh-2);display:flex;flex-direction:column;justify-content:space-between;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.chan-card:hover{transform:translateY(-6px);box-shadow:var(--sh-3)}
.chan-card .emoji{font-size:2rem;margin-bottom:14px}
.chan-card h3{color:#fff;font-size:1.25rem}
.chan-card p{color:rgba(255,255,255,.9);font-size:.9rem}
.chan-card .go{margin-top:14px;font-weight:700;display:inline-flex;align-items:center;gap:6px;font-size:.9rem}
.chan-card .pattern{position:absolute;right:-30px;bottom:-30px;width:140px;height:140px;border-radius:50%;background:rgba(255,255,255,.14)}

/* 服务卡 */
.svc-grid{grid-template-columns:repeat(3,1fr)}
.svc-card{text-align:center;padding:34px 28px}
.svc-card .ic{width:74px;height:74px;border-radius:22px;margin:0 auto 18px;display:grid;place-items:center;
  color:#fff;font-size:2rem;box-shadow:var(--sh-2)}
.svc-card h3{margin-bottom:10px}
.svc-card p{font-size:.95rem}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gutter);counter-reset:step}
.step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 26px;box-shadow:var(--sh-1)}
.step .no{width:48px;height:48px;border-radius:14px;background:var(--grad-brand);color:#fff;font-weight:800;
  display:grid;place-items:center;font-size:1.3rem;margin-bottom:16px;box-shadow:var(--sh-pink)}
.step h3{font-size:1.1rem;margin-bottom:8px}

/* 应用下载区 */
.app-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
@media(max-width:960px){.app-grid{grid-template-columns:1fr;gap:30px}}
.qr-box{background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:30px;
  box-shadow:var(--sh-2);display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center}
.qr-box svg{width:200px;height:200px;border-radius:18px;background:#fff;padding:10px}
.store-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}
.store-btn{display:flex;align-items:center;gap:12px;background:var(--ink-deep);color:#fff;border-radius:var(--r);
  padding:13px 22px;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.store-btn:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.store-btn .si{font-size:1.6rem}
.store-btn small{display:block;font-size:.7rem;opacity:.7;font-weight:600}
.store-btn b{font-size:1rem}

/* 功能矩阵 */
.feat-matrix{grid-template-columns:repeat(2,1fr)}
.feat-row{display:flex;gap:16px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r);padding:20px;box-shadow:var(--sh-1)}
.feat-row .ic{width:48px;height:48px;border-radius:14px;flex:none;display:grid;place-items:center;color:#fff;font-size:1.3rem}
.feat-row h3{font-size:1.02rem;margin-bottom:5px}
.feat-row p{font-size:.9rem}

/* 表单 */
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;font-size:.9rem;margin-bottom:7px;color:var(--ink-2)}
.field input,.field textarea,.field select{
  width:100%;padding:13px 16px;border-radius:var(--r);border:1.5px solid var(--line-2);
  background:var(--bg-2);font-family:inherit;font-size:1rem;color:var(--ink);transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:0;border-color:var(--pink);box-shadow:0 0 0 4px rgba(255,77,125,.12)}
.field textarea{resize:vertical;min-height:120px}

/* 关于页数据 */
.about-lead{font-size:1.1rem;line-height:1.85;color:var(--ink-2)}
.values-grid{grid-template-columns:repeat(3,1fr)}
.value-card{text-align:left}
.value-card .ic{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;color:#fff;font-size:1.5rem;margin-bottom:14px;box-shadow:var(--sh-1)}

/* 联系信息卡 */
.contact-grid{grid-template-columns:repeat(3,1fr)}
.contact-card{text-align:center;padding:28px 22px}
.contact-card .ic{width:60px;height:60px;border-radius:18px;margin:0 auto 14px;display:grid;place-items:center;color:#fff;font-size:1.6rem;box-shadow:var(--sh-1)}
.contact-card h3{font-size:1.05rem;margin-bottom:6px}
.contact-card p{font-size:.92rem}