/* =====================================================
   魔改AI短剧 · 设计系统  style.css
   ===================================================== */

/* ---------- 1. 设计变量 ---------- */
:root{
  --brand:#6C3CE9;
  --brand-deep:#4B1FB8;
  --brand-2:#FF3D8A;
  --accent:#21D4FD;
  --accent-2:#FFC93C;

  --ink:#180C33;
  --ink-2:#5A4E78;
  --ink-3:#8B80A6;
  --line:#E9E2F8;
  --bg:#FBF9FF;
  --surface:#FFFFFF;
  --dark-1:#1B0B38;
  --dark-2:#33125F;

  --g-brand:linear-gradient(135deg,#6C3CE9 0%,#FF3D8A 100%);
  --g-neon:linear-gradient(90deg,#21D4FD 0%,#6C3CE9 50%,#FF3D8A 100%);
  --g-dark:linear-gradient(150deg,#1B0B38 0%,#33125F 60%,#4B1FB8 120%);
  --g-soft:linear-gradient(180deg,#FFFFFF 0%,#F5F0FF 100%);

  --r-xs:8px; --r-sm:12px; --r-md:18px; --r-lg:24px; --r-xl:32px; --r-full:999px;

  --sh-xs:0 2px 8px rgba(52,20,120,.06);
  --sh-sm:0 6px 18px rgba(52,20,120,.10);
  --sh-md:0 14px 34px rgba(52,20,120,.14);
  --sh-lg:0 24px 60px rgba(52,20,120,.20);
  --sh-brand:0 12px 30px rgba(108,60,233,.32);

  --container:1180px;
  --gutter:22px;
  --ease:cubic-bezier(.22,.9,.3,1);

  --fs-xs:clamp(.78rem,.74rem + .2vw,.84rem);
  --fs-sm:clamp(.9rem,.86rem + .2vw,.96rem);
  --fs-md:clamp(1rem,.96rem + .25vw,1.08rem);
  --fs-lg:clamp(1.15rem,1.05rem + .5vw,1.35rem);
  --fs-xl:clamp(1.45rem,1.2rem + 1.2vw,2rem);
  --fs-2xl:clamp(1.9rem,1.4rem + 2.2vw,3rem);
  --fs-hero:clamp(2.2rem,1.5rem + 3.4vw,3.9rem);
}

/* ---------- 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(--bg);color:var(--ink);line-height:1.65;font-size:var(--fs-md);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,h5{line-height:1.25;color:var(--ink);font-weight:800}
h1{font-size:var(--fs-hero);letter-spacing:-.02em}
h2{font-size:var(--fs-2xl);letter-spacing:-.015em}
h3{font-size:var(--fs-lg)}
::selection{background:rgba(108,60,233,.22)}
:focus-visible{outline:3px solid rgba(108,60,233,.45);outline-offset:2px;border-radius:4px}

/* ---------- 3. 布局工具 ---------- */
.container{max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding:clamp(56px,8vw,104px) 0}
.section-tight{padding:clamp(40px,5vw,64px) 0}
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.grid-side{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:start}
.center{text-align:center}
.muted{color:var(--ink-2)}
.tiny{font-size:var(--fs-xs);color:var(--ink-3)}
.grad-text{background:var(--g-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.divider{height:1px;background:var(--line);border:0;margin:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 4. 文字标题组件 ---------- */
.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:rgba(108,60,233,.09);
  border:1px solid rgba(108,60,233,.18);
  padding:6px 14px;border-radius:var(--r-full);margin-bottom:14px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--g-brand)}
.sec-head{max-width:640px;margin-bottom:clamp(26px,4vw,44px)}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head p{color:var(--ink-2);margin-top:10px}

/* ---------- 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:var(--fs-sm);line-height:1;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
  will-change:transform;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--g-brand);color:#fff;box-shadow:var(--sh-brand)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(108,60,233,.42)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line);box-shadow:var(--sh-xs)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-3px)}
.btn-light{background:#fff;color:var(--brand-deep);box-shadow:0 10px 26px rgba(0,0,0,.25)}
.btn-light:hover{transform:translateY(-3px)}
.btn-outline-light{border:1.5px solid rgba(255,255,255,.5);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.btn-sm{padding:10px 18px;font-size:var(--fs-xs)}
.btn-lg{padding:16px 34px;font-size:var(--fs-md)}
.btn-group{display:flex;flex-wrap:wrap;gap:14px}
.btn svg{flex:none}

/* ---------- 6. 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,249,255,.92);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s,border-color .3s;
}
.site-header.is-stuck{border-color:var(--line);box-shadow:var(--sh-sm)}
.nav-bar{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.18rem;letter-spacing:-.01em}
.logo .logo-mark{width:40px;height:40px;flex:none;filter:drop-shadow(0 4px 10px rgba(108,60,233,.35))}
.logo b{background:var(--g-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 15px;border-radius:var(--r-full);font-weight:600;font-size:var(--fs-sm);color:var(--ink-2);
  transition:color .2s,background .2s;
}
.nav-links a:hover{color:var(--brand);background:rgba(108,60,233,.07)}
.nav-links a.is-active{color:#fff;background:var(--g-brand);box-shadow:var(--sh-brand)}
.nav-cta{margin-left:6px}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:var(--r-sm);
  border:1.5px solid var(--line);background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;position:relative;content:"";
  transition:transform .25s,opacity .2s;
}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}
.nav-drawer-close{display:none}
.nav-scrim{position:fixed;inset:0;background:rgba(24,12,51,.5);z-index:70;opacity:0;pointer-events:none;transition:opacity .3s}
body.nav-open .nav-scrim{opacity:1;pointer-events:auto}

/* ---------- 7. 卡片 ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-xs);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh-md);border-color:rgba(108,60,233,.28)}
.card h3{margin-bottom:8px}
.card p{color:var(--ink-2);font-size:var(--fs-sm)}
.icon-chip{
  width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:var(--g-brand);color:#fff;margin-bottom:16px;box-shadow:var(--sh-brand);
}
.icon-chip.alt{background:linear-gradient(135deg,#21D4FD,#6C3CE9)}
.icon-chip.warm{background:linear-gradient(135deg,#FFC93C,#FF3D8A)}
.tag{
  display:inline-block;font-size:var(--fs-xs);font-weight:700;color:var(--brand);
  background:rgba(108,60,233,.09);border-radius:var(--r-full);padding:4px 12px;
}
.tag.pink{color:var(--brand-2);background:rgba(255,61,138,.09)}
.tag.cyan{color:#0d8bb5;background:rgba(33,212,253,.13)}
.tag.gold{color:#a06e00;background:rgba(255,201,60,.2)}

/* ---------- 8. Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--g-dark);color:#fff}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 420px at 12% 18%,rgba(108,60,233,.55),transparent 65%),
    radial-gradient(520px 400px at 88% 12%,rgba(255,61,138,.32),transparent 62%),
    radial-gradient(640px 420px at 70% 96%,rgba(33,212,253,.20),transparent 60%);
  pointer-events:none;
}
.hero-dots{
  position:absolute;inset:0;opacity:.35;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.28) 1px,transparent 1.6px);
  background-size:26px 26px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);align-items:center;padding:clamp(60px,8vw,110px) 0}
.hero h1,.hero h2{color:#fff}
.hero .eyebrow{color:#E7DBFF;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22)}
.hero p.lead{color:#CBBBF2;font-size:var(--fs-lg);margin:18px 0 30px;max-width:34em}
.hero .btn-group{margin-bottom:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:30px}
.hero-stat b{display:block;font-size:var(--fs-xl);color:#fff}
.hero-stat span{font-size:var(--fs-xs);color:#B7A6E4;letter-spacing:.05em}
.hero-visual{position:relative}
.hero-shot{border-radius:var(--r-xl);box-shadow:0 30px 80px rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.14)}
.hero-float{
  position:absolute;background:rgba(255,255,255,.96);color:var(--ink);
  border-radius:var(--r-md);padding:12px 16px;box-shadow:var(--sh-lg);
  font-size:var(--fs-xs);font-weight:700;display:flex;align-items:center;gap:10px;
}
.hero-float .num{font-size:1rem;color:var(--brand)}
.hero-float.f1{top:-18px;left:-14px;animation:floaty 4.5s ease-in-out infinite}
.hero-float.f2{bottom:26px;right:-16px;animation:floaty 5.5s ease-in-out .8s infinite}
.hero-badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-badge-row .tag{color:#EADFFF;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16)}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* 页头 hero（内页） */
.page-hero{position:relative;overflow:hidden;background:var(--g-dark);color:#fff}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 320px at 14% 0%,rgba(108,60,233,.5),transparent 62%),
             radial-gradient(460px 300px at 92% 20%,rgba(255,61,138,.26),transparent 60%);
}
.page-hero .hero-dots{opacity:.25}
.page-hero-inner{position:relative;z-index:2;padding:clamp(48px,6vw,84px) 0}
.page-hero h1{color:#fff}
.page-hero p{color:#CBBBF2;margin-top:12px;max-width:44em}
.crumbs{position:relative;z-index:2;font-size:var(--fs-xs);color:#B7A6E4;margin-bottom:18px}
.crumbs a{color:#D9CCFF}
.crumbs a:hover{color:#fff}
.crumbs .sep{margin:0 8px;opacity:.6}

/* ---------- 9. 跑马灯 ---------- */
.marquee{overflow:hidden;background:var(--g-brand);color:#fff;padding:12px 0;transform:rotate(-1.2deg) scale(1.02);margin:8px 0}
.marquee.alt{background:var(--ink);color:#EADFFF}
.marquee-track{display:flex;gap:44px;width:max-content;animation:scrollx 26s linear infinite;font-weight:700;font-size:var(--fs-sm);letter-spacing:.08em;white-space:nowrap}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{display:inline-flex;align-items:center;gap:12px}
.marquee-track span::before{content:"✦";opacity:.8}
@keyframes scrollx{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- 10. 视频卡 ---------- */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-grid.g3{grid-template-columns:repeat(3,1fr)}
.vcard{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--sh-xs);cursor:pointer;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.vcard:hover{transform:translateY(-6px);box-shadow:var(--sh-md)}
.vcard .thumb{position:relative;aspect-ratio:2/3;overflow:hidden}
.vcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.vcard:hover .thumb img{transform:scale(1.06)}
.vcard .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(20,8,44,.85) 100%)}
.vcard .play{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%) scale(.86);opacity:0;
  width:58px;height:58px;border-radius:50%;background:rgba(255,255,255,.94);z-index:3;
  display:flex;align-items:center;justify-content:center;transition:all .3s var(--ease);
  box-shadow:0 10px 26px rgba(0,0,0,.35);color:var(--brand);
}
.vcard:hover .play{opacity:1;transform:translate(-50%,-50%) scale(1)}
.vcard .meta{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:14px;color:#fff}
.vcard .meta h3{color:#fff;font-size:var(--fs-md);margin-bottom:3px;text-shadow:0 2px 8px rgba(0,0,0,.4)}
.vcard .meta .tiny{color:#CFC2EF}
.vcard .badge{
  position:absolute;top:12px;left:12px;z-index:3;background:var(--g-brand);color:#fff;
  font-size:var(--fs-xs);font-weight:700;padding:4px 11px;border-radius:var(--r-full);
  box-shadow:0 6px 14px rgba(0,0,0,.3);
}
.vcard .badge.hot{background:linear-gradient(135deg,#FF3D8A,#FFC93C)}
.vcard .dur{position:absolute;top:12px;right:12px;z-index:3;background:rgba(15,7,32,.72);color:#fff;font-size:var(--fs-xs);padding:3px 9px;border-radius:var(--r-full)}
.vcard .heat{
  position:absolute;top:12px;right:12px;z-index:3;display:inline-flex;align-items:center;gap:5px;
  background:rgba(15,7,32,.72);color:#FFC93C;font-size:var(--fs-xs);font-weight:700;
  padding:3px 10px;border-radius:var(--r-full);
}
/* 横版视频卡 */
.vcard.wide .thumb{aspect-ratio:16/9}

/* 播放弹层 */
.modal{position:fixed;inset:0;z-index:90;display:none;align-items:center;justify-content:center;padding:20px}
.modal.is-open{display:flex}
.modal .modal-mask{position:absolute;inset:0;background:rgba(12,5,28,.82);backdrop-filter:blur(6px)}
.modal .modal-box{
  position:relative;z-index:2;width:min(860px,100%);background:#12071F;border-radius:var(--r-lg);
  overflow:hidden;box-shadow:0 40px 100px rgba(0,0,0,.6);animation:pop .3s var(--ease);
}
@keyframes pop{from{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}
.modal .modal-screen{aspect-ratio:16/9;position:relative;overflow:hidden;background:#000}
.modal .modal-screen img{width:100%;height:100%;object-fit:cover;opacity:.8}
.modal .modal-screen .fake-ui{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;color:#fff;text-align:center;padding:20px}
.modal .modal-screen .big-play{
  width:76px;height:76px;border-radius:50%;background:var(--g-brand);display:flex;align-items:center;justify-content:center;
  box-shadow:0 14px 40px rgba(108,60,233,.6);animation:pulse 2s infinite;
}
@keyframes pulse{0%,100%{box-shadow:0 14px 40px rgba(108,60,233,.6)}50%{box-shadow:0 14px 40px rgba(108,60,233,.25)}}
.modal .modal-info{padding:18px 22px;color:#D8CCF4;font-size:var(--fs-sm);display:flex;justify-content:space-between;gap:14px;align-items:center;flex-wrap:wrap}
.modal .modal-info h3{color:#fff;margin-bottom:2px}
.modal-close{
  position:absolute;top:12px;right:12px;z-index:5;width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,.14);color:#fff;display:flex;align-items:center;justify-content:center;
  transition:background .2s;
}
.modal-close:hover{background:rgba(255,255,255,.3)}
.modal .modal-box{position:relative}

/* ---------- 11. 榜单 ---------- */
.rank-list{display:flex;flex-direction:column;gap:12px}
.rank-item{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:12px 16px;transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.rank-item:hover{transform:translateX(6px);box-shadow:var(--sh-sm)}
.rank-item .no{
  width:34px;height:34px;flex:none;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:.95rem;background:rgba(108,60,233,.1);color:var(--brand);
}
.rank-item:nth-child(1) .no{background:var(--g-brand);color:#fff}
.rank-item:nth-child(2) .no{background:linear-gradient(135deg,#FF3D8A,#FFC93C);color:#fff}
.rank-item:nth-child(3) .no{background:linear-gradient(135deg,#21D4FD,#6C3CE9);color:#fff}
.rank-item img{width:44px;height:60px;object-fit:cover;border-radius:8px;flex:none}
.rank-item .ri-body{flex:1;min-width:0}
.rank-item .ri-body h3{font-size:var(--fs-sm);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-item .ri-body span{font-size:var(--fs-xs);color:var(--ink-3)}
.rank-item .heat{font-size:var(--fs-xs);font-weight:700;color:#FF7A00;flex:none}

/* ---------- 12. 话题/文章列表 ---------- */
.topic-list{display:flex;flex-direction:column}
.topic-item{display:flex;gap:16px;padding:20px 4px;border-bottom:1px solid var(--line);align-items:flex-start}
.topic-item:last-child{border-bottom:0}
.topic-item .t-index{font-weight:800;color:var(--brand);font-size:var(--fs-lg);min-width:30px}
.topic-item h3{font-size:var(--fs-md);margin-bottom:4px}
.topic-item h3 a:hover{color:var(--brand)}
.topic-item p{font-size:var(--fs-sm);color:var(--ink-2)}
.topic-item .t-meta{font-size:var(--fs-xs);color:var(--ink-3);margin-top:8px;display:flex;gap:14px;flex-wrap:wrap}
.filter-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.chip{
  padding:8px 18px;border-radius:var(--r-full);border:1.5px solid var(--line);background:#fff;
  font-weight:600;font-size:var(--fs-sm);color:var(--ink-2);transition:all .2s;
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.is-on{background:var(--g-brand);border-color:transparent;color:#fff;box-shadow:var(--sh-brand)}
[data-filterable] .hide{display:none}

/* ---------- 13. 数据/特性 ---------- */
.stats-band{background:var(--g-dark);color:#fff;border-radius:var(--r-xl);padding:clamp(30px,5vw,54px);position:relative;overflow:hidden}
.stats-band::before{
  content:"";position:absolute;inset:0;opacity:.3;
  background:radial-gradient(420px 260px at 8% 100%,rgba(108,60,233,.7),transparent 60%),
             radial-gradient(380px 240px at 95% 0%,rgba(255,61,138,.5),transparent 60%);
}
.stats-band .grid{position:relative;z-index:2}
.stats-band h2,.stats-band h3{color:#fff}
.stat b{display:block;font-size:clamp(1.8rem,1.2rem + 2vw,2.6rem);background:var(--g-neon);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:#B7A6E4;font-size:var(--fs-sm)}
.feature-item{display:flex;gap:14px;align-items:flex-start}
.feature-item .icon-chip{width:44px;height:44px;border-radius:13px;margin:0;flex:none}
.feature-item h3{font-size:var(--fs-md);margin-bottom:4px}
.feature-item p{font-size:var(--fs-sm);color:var(--ink-2)}

/* ---------- 14. 评价 ---------- */
.quote-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-xs)}
.quote-card::before{
  content:"”";position:absolute;top:2px;right:18px;font-size:4.6rem;line-height:1;
  font-family:Georgia,serif;color:rgba(108,60,233,.14);
}
.quote-card p{font-size:var(--fs-sm);color:var(--ink-2);margin-bottom:18px}
.quote-card .who{display:flex;align-items:center;gap:12px}
.quote-card .who img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid rgba(108,60,233,.25)}
.quote-card .who b{display:block;font-size:var(--fs-sm)}
.quote-card .who span{font-size:var(--fs-xs);color:var(--ink-3)}
.quote-card .stars{color:#FFB400;font-size:.85rem;letter-spacing:2px;margin-bottom:10px}

/* ---------- 15. CTA/下载 ---------- */
.cta-band{background:var(--g-brand);border-radius:var(--r-xl);color:#fff;padding:clamp(36px,6vw,64px);position:relative;overflow:hidden;text-align:center}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.4;
  background:radial-gradient(420px 260px at 10% 0%,rgba(255,255,255,.35),transparent 55%),
             radial-gradient(460px 300px at 92% 100%,rgba(33,212,253,.5),transparent 58%);
}
.cta-band>*{position:relative;z-index:2}
.cta-band h2,.cta-band h3{color:#fff}
.cta-band p{color:#F3E9FF;margin:12px auto 26px;max-width:34em}
.cta-band .btn-group{justify-content:center}
.download-panel{
  display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(26px,4vw,52px);align-items:center;
  background:var(--g-dark);border-radius:var(--r-xl);padding:clamp(30px,5vw,56px);color:#fff;position:relative;overflow:hidden;
}
.download-panel::before{
  content:"";position:absolute;inset:0;opacity:.45;
  background:radial-gradient(480px 300px at 90% 20%,rgba(108,60,233,.75),transparent 60%),
             radial-gradient(380px 260px at 6% 90%,rgba(255,61,138,.45),transparent 60%);
}
.download-panel>*{position:relative;z-index:2}
.download-panel h2,.download-panel h3{color:#fff}
.download-panel p{color:#CBBBF2}
.dl-qr{
  background:#fff;border-radius:var(--r-lg);padding:18px;display:grid;place-items:center;gap:10px;
  box-shadow:0 24px 60px rgba(0,0,0,.4);max-width:250px;margin-inline:auto;text-align:center;
}
.dl-qr .tiny{color:var(--ink-3)}
.dl-store{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.dl-store a{
  display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-md);padding:13px 18px;color:#fff;
  font-weight:700;transition:background .2s,transform .2s;
}
.dl-store a:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.dl-store a small{display:block;font-weight:500;color:#B7A6E4;font-size:var(--fs-xs)}

/* ---------- 16. FAQ ---------- */
.faq{max-width:820px;margin-inline:auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;transition:box-shadow .25s,border-color .25s}
.faq-item.is-open{box-shadow:var(--sh-sm);border-color:rgba(108,60,233,.3)}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 22px;font-weight:700;font-size:var(--fs-md);text-align:left;color:var(--ink);
}
.faq-q .ico{
  width:28px;height:28px;flex:none;border-radius:50%;background:rgba(108,60,233,.1);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:800;transition:transform .3s var(--ease);
}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);background:var(--g-brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a>div{padding:0 22px 20px;color:var(--ink-2);font-size:var(--fs-sm)}

/* ---------- 17. 提示条/弹层 ---------- */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);z-index:99;
  background:var(--ink);color:#fff;padding:12px 22px;border-radius:var(--r-full);
  font-size:var(--fs-sm);font-weight:600;box-shadow:var(--sh-lg);
  opacity:0;pointer-events:none;transition:all .3s var(--ease);
}
.toast.is-show{opacity:1;transform:translate(-50%,0)}
.notice-bar{
  display:flex;gap:12px;align-items:flex-start;background:rgba(255,201,60,.14);
  border:1px solid rgba(255,201,60,.5);border-radius:var(--r-md);padding:16px 18px;font-size:var(--fs-sm);color:#7a5800;
}

/* ---------- 18. 页脚 ---------- */
.site-footer{background:var(--dark-1);color:#B9ABE0;margin-top:clamp(50px,7vw,90px)}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding:clamp(44px,6vw,70px) 0 40px}
.site-footer h3{color:#fff;font-size:var(--fs-sm);margin-bottom:16px;letter-spacing:.04em}
.site-footer a{font-size:var(--fs-sm);transition:color .2s}
.site-footer a:hover{color:#fff}
.site-footer li{margin-bottom:10px}
.footer-brand p{font-size:var(--fs-sm);margin:14px 0 18px;max-width:30em}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;padding-bottom:26px}
.footer-tags a{
  font-size:var(--fs-xs);color:#CBBBF2;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);padding:5px 13px;border-radius:var(--r-full);
}
.footer-tags a:hover{background:rgba(108,60,233,.35);color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;font-size:var(--fs-xs);color:#8B7DB5}
.footer-bottom .container{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.footer-disclaim{font-size:var(--fs-xs);color:#8B7DB5;padding-bottom:8px;max-width:70em}

/* ---------- 19. 内页页头附加 ---------- */
.prose{max-width:760px}
.prose p{margin-bottom:1.1em;color:var(--ink-2)}
.prose h2{margin:1.6em 0 .6em;font-size:var(--fs-xl)}
.prose h3{margin:1.4em 0 .5em;font-size:var(--fs-lg)}
.prose li{position:relative;padding-left:22px;margin-bottom:.6em;color:var(--ink-2)}
.prose li::before{content:"";position:absolute;left:2px;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--g-brand)}
.step-list{counter-reset:step;display:grid;gap:18px}
.step-item{
  counter-increment:step;position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px 24px 24px 76px;box-shadow:var(--sh-xs);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.step-item::before{
  content:counter(step,decimal-leading-zero);position:absolute;left:22px;top:22px;
  width:38px;height:38px;border-radius:13px;background:var(--g-brand);color:#fff;
  font-weight:800;display:flex;align-items:center;justify-content:center;font-size:.9rem;box-shadow:var(--sh-brand);
}
.step-item h3{font-size:var(--fs-md);margin-bottom:5px}
.step-item p{font-size:var(--fs-sm);color:var(--ink-2)}
.matrix{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-xs);font-size:var(--fs-sm)}
.matrix th,.matrix td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line)}
.matrix thead th{background:rgba(108,60,233,.07);color:var(--brand-deep);font-weight:800;white-space:nowrap}
.matrix tbody tr:hover{background:rgba(108,60,233,.03)}
.matrix .yes{color:#0fa958;font-weight:800}
.matrix .no{color:#C6BEDA}
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.bento .b-big{grid-column:span 3;grid-row:span 2}
.bento .b-mid{grid-column:span 3}
.bento .b-sm{grid-column:span 2}
.bento .card{height:100%}
.comment{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.comment:last-child{border-bottom:0}
.comment img{width:42px;height:42px;border-radius:50%;object-fit:cover;flex:none}
.comment .c-body b{font-size:var(--fs-sm)}
.comment .c-body .tiny{margin-bottom:6px}
.comment .c-body p{font-size:var(--fs-sm);color:var(--ink-2)}
.comment .c-act{font-size:var(--fs-xs);color:var(--ink-3);margin-top:8px;display:flex;gap:16px}
.comment .c-act button:hover{color:var(--brand)}

/* ---------- 20. 分页 ---------- */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:34px;flex-wrap:wrap}
.pagination a,.pagination span{
  min-width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);border:1.5px solid var(--line);background:#fff;font-weight:700;font-size:var(--fs-sm);
  padding:0 12px;transition:all .2s;
}
.pagination a:hover{border-color:var(--brand);color:var(--brand)}
.pagination .is-cur{background:var(--g-brand);color:#fff;border-color:transparent}

/* ---------- 21. 滚动动画 ---------- */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal][data-delay="1"]{transition-delay:.1s}
[data-reveal][data-delay="2"]{transition-delay:.2s}
[data-reveal][data-delay="3"]{transition-delay:.3s}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  [data-reveal]{opacity:1!important;transform:none!important}
  html{scroll-behavior:auto}
}

/* ---------- 22. 响应式 ---------- */
@media (max-width:1080px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento .b-big,.bento .b-mid,.bento .b-sm{grid-column:span 2;grid-row:auto}
}
@media (max-width:960px){
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;z-index:80;width:min(300px,82vw);
    background:#fff;flex-direction:column;align-items:stretch;gap:4px;padding:76px 20px 24px;
    box-shadow:-18px 0 50px rgba(24,12,51,.18);transform:translateX(105%);transition:transform .35s var(--ease);
    margin-left:0;overflow-y:auto;
  }
  body.nav-open .nav-links{transform:translateX(0)}
  .nav-links a{padding:13px 16px;border-radius:var(--r-md);font-size:var(--fs-md)}
  .nav-links a.is-active{box-shadow:none}
  .nav-links .nav-cta{margin:14px 0 0}
  .nav-links .nav-cta .btn{width:100%}
  .nav-drawer-close{
    display:flex;position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:50%;
    background:rgba(108,60,233,.09);color:var(--brand);align-items:center;justify-content:center;font-size:1.1rem;z-index:85;
  }
  .nav-links{position:fixed}
  .hero-inner,.grid-side,.download-panel{grid-template-columns:1fr}
  .hero-visual{order:-1;max-width:520px;margin-inline:auto}
  .hero-float.f1{left:0}.hero-float.f2{right:0}
  .g-3,.g-4{grid-template-columns:repeat(2,1fr)}
  .video-grid.g3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  :root{--gutter:16px}
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .video-grid,.video-grid.g3{grid-template-columns:repeat(2,1fr);gap:12px}
  .btn-group .btn{flex:1 1 100%}
  .hero-stats{gap:18px}
  .footer-top{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr}
  .bento .b-big,.bento .b-mid,.bento .b-sm{grid-column:span 1}
  .marquee-track{gap:28px;font-size:var(--fs-xs)}
  .vcard .meta h3{font-size:var(--fs-sm)}
  .stats-band{border-radius:var(--r-lg)}
}
@media (max-width:420px){
  .video-grid,.video-grid.g3{grid-template-columns:1fr}
  .vcard .thumb{aspect-ratio:2/3}
  .hero-float{transform:scale(.9)}
  .hero-float.f1{animation:none}
  .hero-float.f2{animation:none}
}

/* ---------- 23. 附加组件（内页专用） ---------- */
.mascot-band{display:flex;align-items:center;gap:22px;background:#fff;border:1px dashed rgba(108,60,233,.35);border-radius:var(--r-lg);padding:22px 26px}
.mascot-band .m-bubble{flex:1}
.mascot-band h3{color:var(--brand-deep)}
.mascot-band p{font-size:var(--fs-sm);color:var(--ink-2)}
.genre-strip{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px;scrollbar-width:thin}
.genre-strip a{
  flex:none;display:inline-flex;align-items:center;gap:8px;background:#fff;border:1.5px solid var(--line);
  border-radius:var(--r-full);padding:9px 18px;font-weight:700;font-size:var(--fs-sm);color:var(--ink-2);transition:all .2s;
}
.genre-strip a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.dl-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:680px){.dl-steps{grid-template-columns:1fr}}