/* =========================================================
   qooapporg.cn 公共样式
   设计语言：游戏&应用平台 — 渐变靛紫 + 橙色 CTA
   ========================================================= */
:root{
  --c-bg:#f6f7fb;
  --c-bg-alt:#eef0f7;
  --c-card:#ffffff;
  --c-border:#e6e8ef;
  --c-text:#0f172a;
  --c-text-soft:#475569;
  --c-mute:#94a3b8;
  --c-primary:#6366f1;
  --c-primary-strong:#4f46e5;
  --c-violet:#8b5cf6;
  --c-accent:#f97316;
  --c-accent-strong:#ea580c;
  --c-cyan:#06b6d4;
  --c-green:#10b981;
  --c-pink:#ec4899;
  --c-dark:#0f172a;
  --c-shadow:0 10px 30px rgba(15,23,23,.08);
  --c-shadow-lg:0 24px 60px rgba(67,56,202,.18);
  --radius:18px;
  --radius-lg:24px;
  --container:1180px;
  --transition:.25s cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Source Han Sans SC","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
a{color:var(--c-primary-strong);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--c-accent-strong)}
img{max-width:100%;display:block;height:auto}
button{font:inherit;cursor:pointer;border:0;background:transparent;color:inherit}
ul,ol{list-style:none}

/* ---------- 容器 ---------- */
.wrap{max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color var(--transition),box-shadow var(--transition);
}
.nav.is-stuck{box-shadow:0 4px 24px rgba(15,23,23,.06);border-color:var(--c-border)}
.nav__inner{display:flex;align-items:center;gap:24px;height:68px}
.nav__brand{display:flex;align-items:center;gap:12px;color:inherit}
.nav__brand img{height:42px;width:auto;display:block}
.nav__brand-name{font-weight:800;font-size:20px;letter-spacing:.3px;color:var(--c-text)}
.nav__menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav__menu a{
  display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:999px;
  font-weight:600;color:var(--c-text-soft);font-size:14.5px;
}
.nav__menu a:hover,.nav__menu a.is-active{background:rgba(99,102,241,.08);color:var(--c-primary-strong)}
.nav__cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;
  background:linear-gradient(120deg,var(--c-accent),#fb7185);
  color:#fff;font-weight:700;font-size:14.5px;
  box-shadow:0 8px 20px rgba(249,115,22,.35);
  transition:transform var(--transition),box-shadow var(--transition);
}
.nav__cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(249,115,22,.45);color:#fff}
.nav__burger{display:none;width:42px;height:42px;border-radius:12px;background:rgba(99,102,241,.1);color:var(--c-primary-strong)}
.nav__burger span{display:block;width:18px;height:2px;background:currentColor;margin:4px auto;border-radius:2px}
@media (max-width:860px){
  .nav__menu{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px;gap:0;border-top:1px solid var(--c-border);box-shadow:0 8px 24px rgba(15,23,23,.06)}
  .nav__menu.is-open{display:flex}
  .nav__menu a{padding:12px 14px;border-radius:12px;font-size:15px}
  .nav__burger{display:inline-flex;align-items:center;justify-content:center}
  .nav__cta{padding:9px 14px;font-size:13.5px}
}
@media (max-width:480px){
  .nav__brand-name{display:none}
  .nav__inner{height:62px;gap:12px}
  .nav__brand img{height:38px}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:80px 0 90px;
  background:
    radial-gradient(1100px 600px at 80% -10%,rgba(139,92,246,.30),transparent 60%),
    radial-gradient(900px 600px at -10% 10%,rgba(99,102,241,.30),transparent 60%),
    linear-gradient(160deg,#1e1b4b 0%,#312e81 40%,#4338ca 100%);
  color:#fff;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:22px 22px;pointer-events:none;
}
.hero__grid{display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:center;position:relative;z-index:2}
.hero__logo{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.hero__logo img{height:64px;border-radius:14px;box-shadow:0 18px 40px rgba(0,0,0,.35)}
.hero__version{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.12);font-size:13px;font-weight:600}
.hero h1{font-size:46px;line-height:1.18;font-weight:800;letter-spacing:.5px;margin-bottom:18px}
.hero h1 .hl{background:linear-gradient(90deg,#fb923c,#f97316);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18px;color:rgba(226,231,255,.88);max-width:560px;margin-bottom:30px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.btn-primary{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 30px;border-radius:999px;
  background:linear-gradient(120deg,var(--c-accent),#fb7185);
  color:#fff;font-weight:800;font-size:16.5px;
  box-shadow:0 18px 36px rgba(249,115,22,.45);
  transition:transform var(--transition),box-shadow var(--transition);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 44px rgba(249,115,22,.55);color:#fff}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 22px;border-radius:999px;border:1px solid rgba(255,255,255,.35);color:#fff;font-weight:600;
}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.hero__stats{display:flex;flex-wrap:wrap;gap:18px;color:rgba(226,231,255,.82);font-size:13.5px}
.hero__stats b{color:#fff;font-size:22px;font-weight:800;display:block;line-height:1.1}
.hero__visual{
  position:relative;display:flex;justify-content:center;align-items:center;
}
.hero__phone{
  position:relative;
  width:320px;border-radius:40px;
  background:linear-gradient(160deg,#0f172a,#1e293b);
  padding:18px;
  box-shadow:0 40px 80px rgba(15,23,23,.55),inset 0 0 0 2px rgba(255,255,255,.05);
  transform:rotate(2deg);
}
.hero__phone img{
  width:100%;height:auto;border-radius:24px;
}
.hero__phone::before{content:"";position:absolute;top:18px;left:50%;transform:translateX(-50%);width:90px;height:22px;border-radius:12px;background:#0b1020}
.hero__shadow{position:absolute;inset:auto -40px -40px -40px;height:60px;background:radial-gradient(closest-side,rgba(99,102,241,.7),transparent);filter:blur(30px);z-index:-1}
.hero__tags{position:absolute;background:#fff;color:var(--c-text);padding:14px 18px;border-radius:18px;box-shadow:var(--c-shadow);display:flex;align-items:center;gap:10px;font-weight:600}
.hero__tags span.dot{width:12px;height:12px;border-radius:50%;background:var(--c-accent)}
.hero__tags--a{top:20px;left:-10px;animation:float 6s ease-in-out infinite}
.hero__tags--b{bottom:30px;right:-30px;color:var(--c-primary-strong);animation:float 6s ease-in-out infinite 2s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@media (max-width:900px){
  .hero{padding:56px 0 70px}
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:34px}
  .hero p.lead{font-size:16px}
  .hero__phone{width:240px;padding:14px;border-radius:32px}
  .hero__tags--a{left:10px}
  .hero__tags--b{right:10px}
}

/* ---------- 通用分区 ---------- */
.section{padding:80px 0;position:relative}
.section--alt{background:var(--c-bg-alt)}
.section__head{text-align:center;max-width:760px;margin:0 auto 50px}
.section__eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(99,102,241,.1);color:var(--c-primary-strong);font-weight:700;font-size:12.5px;letter-spacing:1px;text-transform:uppercase;margin-bottom:14px}
.section h2{font-size:36px;line-height:1.2;font-weight:800;margin-bottom:16px}
.section h2 .hl{background:linear-gradient(120deg,var(--c-primary),var(--c-violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.section .lead{color:var(--c-text-soft);font-size:17px;max-width:640px;margin:0 auto}
@media (max-width:720px){.section{padding:56px 0}.section h2{font-size:28px}}

/* ---------- 数据条 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{background:#fff;border-radius:var(--radius);padding:26px 22px;box-shadow:var(--c-shadow);border:1px solid var(--c-border);text-align:center}
.metric b{font-size:34px;display:block;color:var(--c-primary-strong);font-weight:800;margin-bottom:6px}
.metric span{color:var(--c-text-soft);font-size:14px}
@media (max-width:860px){.metrics{grid-template-columns:repeat(2,1fr)}}
@media (max-width:420px){.metric b{font-size:28px}}

/* ---------- 功能卡片 ---------- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature{background:#fff;border-radius:var(--radius-lg);padding:28px;border:1px solid var(--c-border);box-shadow:var(--c-shadow);transition:transform var(--transition),box-shadow var(--transition)}
.feature:hover{transform:translateY(-6px);box-shadow:var(--c-shadow-lg)}
.feature__icon{width:54px;height:54px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:18px;color:#fff;background:linear-gradient(135deg,var(--c-primary),var(--c-violet))}
.feature__icon--orange{background:linear-gradient(135deg,#f97316,#fb7185)}
.feature__icon--cyan{background:linear-gradient(135deg,#06b6d4,#0ea5e9)}
.feature__icon--pink{background:linear-gradient(135deg,#ec4899,#d946ef)}
.feature__icon--green{background:linear-gradient(135deg,#10b981,#22d3ee)}
.feature__icon--indigo{background:linear-gradient(135deg,#4f46e5,#7c3aed)}
.feature h3{font-size:19px;margin-bottom:10px}
.feature p{color:var(--c-text-soft);font-size:14.5px}
@media (max-width:960px){.features{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.features{grid-template-columns:1fr}}

/* ---------- 截图展示 ---------- */
.gallery{position:relative}
.gallery__stage{
  background:linear-gradient(160deg,#0f172a,#312e81);
  border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--c-shadow-lg);
  display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;
}
.gallery__stage::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 80% 20%,rgba(139,92,246,.4),transparent);pointer-events:none}
.gallery__stage img{max-height:560px;width:auto;border-radius:18px;box-shadow:0 30px 60px rgba(0,0,0,.45)}
.gallery__thumbs{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:28px}
.gallery__thumbs button{
  width:78px;height:148px;border-radius:14px;overflow:hidden;
  border:3px solid transparent;opacity:.7;transition:all var(--transition);background:#0f172a;
}
.gallery__thumbs button img{width:100%;height:100%;object-fit:cover;display:block}
.gallery__thumbs button:hover{opacity:1;transform:translateY(-4px)}
.gallery__thumbs button.is-active{border-color:var(--c-accent);opacity:1;box-shadow:0 12px 28px rgba(249,115,22,.35)}
@media (max-width:720px){
  .gallery__stage{padding:16px}
  .gallery__stage img{max-height:420px}
  .gallery__thumbs button{width:60px;height:110px}
}

/* ---------- 内容入口卡片 ---------- */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tile{position:relative;background:#fff;border-radius:var(--radius-lg);padding:32px 28px;border:1px solid var(--c-border);box-shadow:var(--c-shadow);overflow:hidden;transition:transform var(--transition),box-shadow var(--transition)}
.tile:hover{transform:translateY(-6px);box-shadow:var(--c-shadow-lg);color:inherit}
.tile::after{content:"→";position:absolute;right:24px;top:24px;width:40px;height:40px;border-radius:50%;background:rgba(99,102,241,.1);color:var(--c-primary-strong);font-size:18px;display:flex;align-items:center;justify-content:center;transition:background var(--transition),transform var(--transition)}
.tile:hover::after{background:var(--c-primary-strong);color:#fff;transform:translate(4px,-4px)}
.tile__icon{width:60px;height:60px;border-radius:18px;display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:20px;background:linear-gradient(135deg,var(--c-primary),var(--c-violet))}
.tile--orange .tile__icon{background:linear-gradient(135deg,var(--c-accent),#fb7185)}
.tile--cyan .tile__icon{background:linear-gradient(135deg,var(--c-cyan),#0ea5e9)}
.tile h3{font-size:21px;margin-bottom:10px}
.tile p{color:var(--c-text-soft);font-size:15px;margin-bottom:14px}
.tile small{display:inline-block;color:var(--c-mute);font-size:13px}
@media (max-width:960px){.tiles{grid-template-columns:1fr}}

/* ---------- 用户评价 ---------- */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{background:#fff;border-radius:var(--radius-lg);padding:26px;border:1px solid var(--c-border);box-shadow:var(--c-shadow);display:flex;flex-direction:column;gap:14px}
.review__quote{color:var(--c-text);font-size:15px;line-height:1.8;flex:1}
.review__quote::before{content:"“";color:var(--c-violet);font-size:36px;line-height:1;display:inline-block;margin-right:4px;vertical-align:-8px}
.review__user{display:flex;align-items:center;gap:12px;border-top:1px solid var(--c-border);padding-top:14px}
.review__avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--c-primary),var(--c-violet));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.review__meta{display:flex;flex-direction:column}
.review__name{font-weight:700;font-size:14.5px}
.review__role{color:var(--c-mute);font-size:12.5px}
.review__stars{color:#f59e0b;font-size:14px;letter-spacing:1px}
@media (max-width:960px){.reviews{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.reviews{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px;max-width:860px;margin:0 auto}
.faq__item{background:#fff;border:1px solid var(--c-border);border-radius:16px;overflow:hidden;transition:box-shadow var(--transition)}
.faq__item.is-open{box-shadow:var(--c-shadow);border-color:rgba(99,102,241,.4)}
.faq__q{padding:18px 22px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;font-weight:600;color:var(--c-text)}
.faq__q .arrow{width:30px;height:30px;border-radius:50%;background:rgba(99,102,241,.1);color:var(--c-primary-strong);display:flex;align-items:center;justify-content:center;transition:transform var(--transition),background var(--transition);font-weight:800}
.faq__item.is-open .faq__q .arrow{transform:rotate(45deg);background:var(--c-primary-strong);color:#fff}
.faq__a{max-height:0;overflow:hidden;transition:max-height var(--transition)}
.faq__a-inner{padding:0 22px 22px;color:var(--c-text-soft);font-size:15px;line-height:1.85}
.faq__a-inner p+p{margin-top:10px}
.faq__a-inner ol,.faq__a-inner ul{margin:8px 0 8px 22px}
.faq__a-inner ol li,.faq__a-inner ul li{margin-bottom:4px}

/* ---------- 文章正文 ---------- */
.article{max-width:820px;margin:0 auto;background:#fff;border-radius:var(--radius-lg);padding:48px 56px;box-shadow:var(--c-shadow);border:1px solid var(--c-border)}
.article h1{font-size:32px;line-height:1.3;margin-bottom:18px}
.article .meta{color:var(--c-mute);font-size:13.5px;margin-bottom:30px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.article .meta .tag{padding:3px 10px;border-radius:999px;background:rgba(99,102,241,.1);color:var(--c-primary-strong);font-weight:600}
.article h2{font-size:22px;margin:38px 0 14px;padding-left:14px;border-left:4px solid var(--c-primary);line-height:1.4}
.article h3{font-size:18px;margin:26px 0 10px;color:var(--c-primary-strong)}
.article p{margin-bottom:14px;color:var(--c-text-soft);font-size:15.5px;line-height:1.85}
.article ul,.article ol{margin:8px 0 14px 24px;color:var(--c-text-soft);font-size:15.5px}
.article ul li,.article ol li{margin-bottom:6px;list-style:disc}
.article ol li{list-style:decimal}
.article ol li strong,.article ul li strong{color:var(--c-text)}
.article .step{margin:16px 0;padding:20px 22px;border-radius:14px;background:linear-gradient(135deg,rgba(99,102,241,.07),rgba(139,92,246,.07));border:1px solid rgba(99,102,241,.18)}
.article .step h3{margin:0 0 8px;font-size:17px;display:flex;align-items:center;gap:10px}
.article .step h3 .num{flex:0 0 30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--c-primary),var(--c-violet));color:#fff;font-weight:800;display:inline-flex;align-items:center;justify-content:center;font-size:14px}
.article .callout{padding:16px 20px;border-radius:12px;background:rgba(249,115,22,.08);border-left:4px solid var(--c-accent);font-size:14.5px;color:var(--c-text);margin:16px 0}
.article .callout b{color:var(--c-accent-strong)}
.article .toc{background:var(--c-bg-alt);border-radius:14px;padding:18px 22px;margin-bottom:30px}
.article .toc h3{margin:0 0 10px;font-size:14px;color:var(--c-text-soft);text-transform:uppercase;letter-spacing:1px}
.article .toc ol{margin:0 0 0 22px}
.article .toc a{font-size:14.5px;color:var(--c-primary-strong)}
.article blockquote{margin:16px 0;padding:14px 18px;border-left:3px solid var(--c-violet);background:rgba(139,92,246,.06);border-radius:0 12px 12px 0;color:var(--c-text-soft)}
.article figure{margin:24px 0;text-align:center}
.article figure img{border-radius:14px;box-shadow:var(--c-shadow);max-width:320px;margin:0 auto}
.article figure figcaption{color:var(--c-mute);font-size:13px;margin-top:8px}
.article .related{background:var(--c-bg-alt);border-radius:14px;padding:22px 26px;margin-top:30px}
.article .related h3{margin:0 0 10px;font-size:16px}
.article .related ul{margin-left:20px}
@media (max-width:640px){.article{padding:30px 22px}.article h1{font-size:26px}.article h2{font-size:20px}}

/* ---------- 底部下载通道 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  padding:80px 0;
  background:linear-gradient(120deg,#1e1b4b 0%,#4338ca 50%,#7c3aed 100%);
  color:#fff;
}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 380px at 100% 0%,rgba(249,115,22,.45),transparent 60%)}
.cta-band .inner{display:flex;flex-wrap:wrap;align-items:center;gap:30px;justify-content:space-between;position:relative;z-index:1}
.cta-band h2{font-size:32px;line-height:1.2;font-weight:800;max-width:560px}
.cta-band p{color:rgba(255,255,255,.82);margin-top:10px}
@media (max-width:720px){.cta-band{padding:56px 0}.cta-band h2{font-size:24px}}

/* ---------- 页脚 ---------- */
.footer{
  background:#0b1020;color:#cbd5e1;padding:60px 0 30px;
}
.footer__grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px}
.footer h5{font-size:14px;color:#fff;font-weight:700;margin-bottom:14px;letter-spacing:1px;text-transform:uppercase}
.footer ul li{margin-bottom:8px;font-size:14.5px}
.footer ul li a{color:#94a3b8;transition:color var(--transition)}
.footer ul li a:hover{color:#fb923c}
.footer .brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer .brand img{height:42px}
.footer p{font-size:14px;color:#94a3b8;max-width:340px;line-height:1.8}
.footer__bottom{border-top:1px solid rgba(148,163,184,.18);margin-top:36px;padding-top:22px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#64748b}
.footer__bottom .icons{display:flex;gap:10px}
.footer__bottom .icons a{width:36px;height:36px;border-radius:50%;background:rgba(148,163,184,.1);color:#94a3b8;display:inline-flex;align-items:center;justify-content:center}
.footer__bottom .icons a:hover{background:#fb923c;color:#fff}
@media (max-width:860px){.footer__grid{grid-template-columns:1fr 1fr}}
@media (max-width:540px){.footer__grid{grid-template-columns:1fr}}

/* ---------- 通用小工具 ---------- */
.tag-pill{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:rgba(99,102,241,.1);color:var(--c-primary-strong);font-weight:600;font-size:12.5px}
.divider{height:1px;background:var(--c-border);margin:24px 0}

/* ---------- 面包屑 ---------- */
.crumbs{max-width:1180px;margin:24px auto 0;padding:0 24px;font-size:13.5px;color:var(--c-mute)}
.crumbs a{color:var(--c-text-soft)}
.crumbs .sep{margin:0 8px;color:var(--c-mute)}
@media (max-width:640px){.crumbs{padding:0 18px}}