/* roulang page: index */
:root{
  --bs-body-font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --bs-body-color:#161226;
  --bs-body-bg:#F5F3FB;
  --bs-link-color:#6C4CF1;
  --bs-link-hover-color:#FF3D8A;
  --bs-border-radius:14px;
  --ink:#161226;
  --ink-2:#5B5570;
  --ink-3:#8B86A0;
  --deep:#1B1040;
  --deep-2:#241457;
  --purple:#6C4CF1;
  --pink:#FF3D8A;
  --cyan:#2BE3C4;
  --bg:#F5F3FB;
  --card:#FFFFFF;
  --line:#E6E2F2;
  --soft:#EFEBFB;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-xl:26px;
  --sh-1:0 6px 18px rgba(27,16,64,.06);
  --sh-2:0 18px 40px rgba(27,16,64,.16);
  --sh-3:0 26px 60px rgba(27,16,64,.24);
  --pad-y:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--purple);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--pink)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:750;line-height:1.3}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--pad-y) 0}
.section-tight{padding:56px 0}
.section-dark{background:var(--deep);color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.section-alt{background:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:650;letter-spacing:.06em;
  color:var(--purple);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--pink);border-radius:2px}
.section-head{max-width:760px;margin-bottom:44px}
.section-title{font-size:clamp(24px,2.6vw,34px);font-weight:750}
.section-desc{margin-top:14px;color:var(--ink-2);font-size:16px;max-width:740px}
.section-dark .section-desc{color:rgba(255,255,255,.72)}
.text-cyan{color:var(--cyan)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(27,16,64,.42);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 8px 30px rgba(0,0,0,.18);
  transition:background .28s ease,box-shadow .28s ease,height .28s ease,backdrop-filter .28s ease;
}
.site-header.is-stuck{
  background:#1B1040;
  box-shadow:0 4px 18px rgba(27,16,64,.28);
}
.nav-inner{
  display:flex;align-items:center;gap:28px;
  height:76px;transition:height .28s ease;
}
.site-header.is-stuck .nav-inner{height:64px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:#fff;letter-spacing:-.3px;
  white-space:nowrap;
}
.brand:hover{color:#fff}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(120deg,#FF3D8A,#6C4CF1);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;color:#fff;flex:0 0 auto;
}
.brand-dot{width:6px;height:6px;border-radius:50%;background:var(--pink);display:inline-block;margin-left:2px}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-link{
  position:relative;color:rgba(255,255,255,.9);font-size:15px;font-weight:600;
  padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--cyan);transition:width .25s ease;border-radius:2px;
}
.nav-link:hover,.nav-link:focus-visible{color:#2BE3C4}
.nav-link:hover::after,.nav-link:focus-visible::after{width:100%}
.nav-link.active{color:#fff}
.nav-link.active::after{width:100%;background:var(--cyan)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.26);background:rgba(255,255,255,.06);
  color:#fff;font-size:15px;cursor:pointer;transition:.22s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.5)}
.icon-btn:focus-visible{outline:3px solid rgba(43,227,196,.6);outline-offset:2px}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 20px;border-radius:999px;
  background:linear-gradient(120deg,#FF3D8A,#6C4CF1);
  color:#fff;font-size:15px;font-weight:650;border:none;
  box-shadow:0 10px 24px rgba(255,61,138,.34);
  transition:transform .2s ease,box-shadow .2s ease,background-position .3s ease;
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,61,138,.44)}
.nav-cta:active{transform:translateY(0)}
.nav-cta:focus-visible{outline:3px solid rgba(43,227,196,.7);outline-offset:3px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid rgba(255,255,255,.26);background:rgba(255,255,255,.06);
  color:#fff;font-size:17px;cursor:pointer;
}
.mobile-drawer{
  position:fixed;inset:0;z-index:1200;background:rgba(20,11,48,.97);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  padding:28px 24px 40px;display:flex;flex-direction:column;gap:8px;
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform .32s ease,opacity .32s ease;
}
.mobile-drawer.open{transform:translateY(0);opacity:1;pointer-events:auto}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.26);
  background:transparent;color:#fff;font-size:18px;cursor:pointer;
}
.drawer-link{
  display:block;padding:16px 4px;color:#fff;font-size:18px;font-weight:650;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer-link.active{color:var(--cyan)}
.drawer-cta{
  margin-top:26px;display:flex;align-items:center;justify-content:center;gap:8px;
  height:52px;border-radius:999px;color:#fff;font-weight:700;
  background:linear-gradient(120deg,#FF3D8A,#6C4CF1);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:158px 0 96px;
  background:linear-gradient(135deg,#1B1040 0%,#2A1667 55%,#3A1A6E 100%);
  color:#fff;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.22;mix-blend-mode:screen;
}
.hero::after{
  content:"";position:absolute;width:620px;height:620px;right:-180px;top:-200px;
  background:radial-gradient(circle,rgba(255,61,138,.42),transparent 66%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:center}
.badge-pill{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;border-radius:999px;
  border:1px solid rgba(43,227,196,.55);
  background:rgba(43,227,196,.1);
  color:var(--cyan);font-size:13px;font-weight:650;letter-spacing:.02em;
}
.badge-pill i{font-size:12px}
.hero-title{
  margin:22px 0 0;
  font-size:clamp(30px,4.4vw,54px);
  font-weight:800;line-height:1.18;letter-spacing:-.5px;color:#fff;
}
.hero-sub{
  margin-top:20px;max-width:620px;
  font-size:17px;line-height:1.85;color:rgba(255,255,255,.76);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.btn-main{
  display:inline-flex;align-items:center;gap:10px;
  height:54px;padding:0 30px;border-radius:999px;border:none;
  background:linear-gradient(120deg,#FF3D8A,#6C4CF1);
  color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 16px 34px rgba(255,61,138,.36);
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 40px rgba(255,61,138,.46)}
.btn-main:active{transform:translateY(1px)}
.btn-main:focus-visible{outline:3px solid rgba(43,227,196,.8);outline-offset:3px}
.btn-main .ver{font-size:12px;font-weight:500;opacity:.82;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.btn-ghost{
  display:inline-flex;align-items:center;gap:10px;
  height:54px;padding:0 26px;border-radius:999px;
  border:1px solid rgba(255,255,255,.36);
  background:rgba(255,255,255,.05);
  color:#fff;font-size:16px;font-weight:600;
  transition:background .22s ease,border-color .22s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.7);color:#fff;transform:translateY(-2px)}
.btn-ghost:focus-visible{outline:3px solid rgba(43,227,196,.8);outline-offset:3px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0 34px;margin-top:38px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.16);
}
.stat{min-width:120px;padding:6px 0}
.stat-key{font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.04em}
.stat-val{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:20px;font-weight:700;color:#fff;margin-top:2px;
}
.stat-val.cyan{color:var(--cyan)}
.hero-visual{position:relative}
.hero-shot{
  border-radius:var(--r-xl);overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 34px 70px rgba(0,0,0,.42);
  background:rgba(255,255,255,.04);
}
.hero-shot img{width:100%;height:auto}
.hero-float{
  position:absolute;left:-22px;bottom:-24px;
  background:#fff;border-radius:var(--r-md);padding:14px 18px;
  box-shadow:0 22px 46px rgba(0,0,0,.3);color:var(--ink);
  display:flex;align-items:center;gap:12px;
}
.hero-float .ok{
  width:34px;height:34px;border-radius:50%;
  background:rgba(43,227,196,.16);color:#0f9c85;
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.hero-float strong{display:block;font-size:14px;font-weight:700}
.hero-float span{display:block;font-size:12px;color:var(--ink-3)}

/* ---------- 特性交错 ---------- */
.feature-row{
  display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:48px;align-items:center;padding:38px 0;
}
.feature-row.reverse{grid-template-columns:minmax(0,8fr) minmax(0,4fr)}
.feature-row.reverse .feature-media{order:2}
.feature-row.reverse .feature-body{order:1}
.feature-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-2);background:#fff;
}
.feature-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.feature-body h3{font-size:20px;font-weight:700;margin-bottom:12px}
.feature-body p{color:var(--ink-2);max-width:640px}
.feature-list{margin-top:18px;display:grid;gap:10px}
.feature-list li{
  position:relative;padding-left:26px;color:var(--ink-2);font-size:15px;line-height:1.8;
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--pink);
}
.step-no{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:13px;color:var(--purple);font-weight:700;letter-spacing:.08em;
}

/* ---------- 截图轮播 ---------- */
.shots{background:#fff}
.shots-wrap{position:relative}
.shots-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 22px;scrollbar-width:none;
}
.shots-track::-webkit-scrollbar{display:none}
.shot-card{
  flex:0 0 calc((100% - 48px)/3);
  scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-2);
  transition:transform .25s ease,box-shadow .25s ease;
}
.shot-card:hover{transform:translateY(-4px);box-shadow:0 26px 52px rgba(27,16,64,.22)}
.shot-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EFEBFB}
.shot-info{padding:16px 18px 20px}
.shot-info h3{font-size:17px;font-weight:700;margin-bottom:6px}
.shot-info p{font-size:13.5px;color:var(--ink-3);line-height:1.7;margin:0}
.shots-nav{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:6px}
.shots-arrows{display:flex;gap:10px}
.arrow-btn{
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--deep);
  font-size:15px;cursor:pointer;transition:.22s ease;
}
.arrow-btn:hover{border-color:var(--purple);color:var(--purple);transform:translateY(-2px);box-shadow:var(--sh-1)}
.arrow-btn:focus-visible{outline:3px solid rgba(108,76,241,.4);outline-offset:2px}
.dot-bar{display:flex;gap:8px;align-items:center}
.dot-bar i{
  display:block;width:26px;height:5px;border-radius:999px;
  background:rgba(27,16,64,.16);transition:background .25s ease;
}
.dot-bar i.on{background:var(--pink)}

/* ---------- 系统要求 ---------- */
.sys{background:var(--deep-2);color:#fff;position:relative;overflow:hidden}
.sys::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.14;
}
.sys .container{position:relative;z-index:2}
.sys-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:44px;align-items:start}
.sys-panel{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-lg);padding:10px 26px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.sys-list li{
  display:flex;justify-content:space-between;gap:24px;
  padding:17px 0;border-bottom:1px solid rgba(255,255,255,.1);
}
.sys-list li:last-child{border-bottom:none}
.sys-key{color:var(--cyan);font-size:14px;font-weight:650;letter-spacing:.02em}
.sys-val{
  color:#fff;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:14px;text-align:right;
}
.sys-side{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);padding:26px}
.sys-side h3{font-size:18px;margin-bottom:12px}
.sys-side p{color:rgba(255,255,255,.72);font-size:14.5px}
.copy-btn{
  margin-top:18px;width:100%;height:48px;border-radius:12px;
  border:1px solid rgba(43,227,196,.5);background:rgba(43,227,196,.12);
  color:var(--cyan);font-size:15px;font-weight:650;cursor:pointer;
  transition:.22s ease;display:inline-flex;align-items:center;justify-content:center;gap:9px;
}
.copy-btn:hover{background:rgba(43,227,196,.2)}
.copy-btn:focus-visible{outline:3px solid rgba(43,227,196,.6);outline-offset:2px}
.sys-note{margin-top:14px;font-size:12.5px;color:rgba(255,255,255,.5)}

/* ---------- 评价墙 ---------- */
.reviews{background:var(--bg)}
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:22px 22px 24px;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease;
}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.review-card.tall{padding-bottom:34px}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:16px;
}
.av-1{background:#6C4CF1}
.av-2{background:#FF3D8A}
.av-3{background:#2BAE9C}
.av-4{background:#3A1A6E}
.av-5{background:#C2387A}
.av-6{background:#4A3AA8}
.review-name{font-size:15px;font-weight:700;color:var(--ink)}
.review-role{font-size:12.5px;color:var(--ink-3)}
.stars{margin-left:auto;color:var(--pink);font-size:12px;letter-spacing:2px}
.review-text{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.review-foot{margin-top:14px;font-size:12.5px;color:var(--ink-3);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.review-more{display:flex;justify-content:center;margin-top:36px}
.link-more{
  color:var(--pink);font-weight:650;font-size:15px;border-bottom:2px solid transparent;
  padding-bottom:2px;transition:border-color .22s ease;
}
.link-more:hover{border-bottom-color:var(--pink)}

/* ---------- 最新信息 ---------- */
.news{background:#fff}
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:38px}
.news-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px}
.news-main{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);position:relative;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.news-main::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:0;
  background:var(--pink);transition:width .26s ease;
}
.news-main:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DAD3F2}
.news-main:hover::before{width:4px}
.news-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-main-body{padding:22px 26px 26px}
.news-main-body h3{font-size:21px;font-weight:700;line-height:1.45;color:var(--ink)}
.news-main-body p{margin-top:12px;color:var(--ink-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-side{display:flex;flex-direction:column;gap:16px}
.news-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px;position:relative;overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease;
}
.news-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:0;
  background:var(--pink);transition:width .24s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh-1)}
.news-item:hover::before{width:3px}
.news-thumb{
  width:92px;height:70px;border-radius:10px;object-fit:cover;flex:0 0 auto;background:var(--soft);
}
.news-item-body h3{font-size:15.5px;font-weight:650;line-height:1.55;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:10px}
.cate-pill{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  background:var(--soft);color:var(--purple);font-size:12.5px;font-weight:650;
  transition:.22s ease;
}
.cate-pill:hover{background:var(--purple);color:#fff}
.meta-time{font-size:12.5px;color:var(--ink-3);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.empty-state{
  grid-column:1 / -1;text-align:center;padding:64px 24px;
  background:#FBFAFE;border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state .empty-icon{
  width:62px;height:62px;border-radius:50%;margin:0 auto 18px;
  background:var(--soft);color:var(--purple);font-size:22px;
  display:flex;align-items:center;justify-content:center;
}
.empty-state p{color:var(--ink-3);font-size:15px;margin-bottom:18px}
.empty-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.btn-line{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  border:1px solid var(--purple);color:var(--purple);
  background:transparent;font-size:14.5px;font-weight:650;
  transition:.22s ease;
}
.btn-line:hover{background:var(--purple);color:#fff;transform:translateY(-2px)}
.btn-line:focus-visible{outline:3px solid rgba(108,76,241,.4);outline-offset:2px}

/* ---------- FAQ ---------- */
.faq{background:var(--bg)}
.faq-list{max-width:780px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:8px 26px;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  background:transparent;border:none;text-align:left;cursor:pointer;
  padding:22px 0;min-height:48px;color:var(--ink);
  font-size:16px;font-weight:650;line-height:1.6;
}
.faq-q::before{content:"";width:8px;height:20px;border-radius:3px;background:var(--pink);flex:0 0 auto}
.faq-q:focus-visible{outline:3px solid rgba(108,76,241,.35);outline-offset:4px;border-radius:8px}
.faq-icon{
  margin-left:auto;font-size:18px;color:var(--purple);font-weight:400;
  width:26px;height:26px;border-radius:50%;background:var(--soft);
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--pink);color:#fff}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  background:transparent;
}
.faq-a-inner{
  padding:0 0 24px 22px;color:var(--ink-2);font-size:15px;line-height:1.85;
}
.faq-item.open .faq-a{background:#F8F6FD}
.faq-item.open .faq-a-inner{padding-top:16px}

/* ---------- 下载收口 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#1B1040 0%,#2A1667 55%,#3A1A6E 100%);
  color:#fff;padding:80px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:.18;
}
.cta-band .container{position:relative;z-index:2}
.cta-inner{max-width:820px}
.cta-inner h2{font-size:clamp(24px,2.8vw,36px);color:#fff;font-weight:800;line-height:1.28}
.cta-inner p{margin-top:16px;color:rgba(255,255,255,.75);font-size:16px}
.cta-buttons{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.btn-line-light{
  display:inline-flex;align-items:center;gap:9px;
  height:54px;padding:0 26px;border-radius:999px;
  border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.05);
  font-size:15.5px;font-weight:650;transition:.22s ease;
}
.btn-line-light:hover{background:rgba(255,255,255,.15);color:#fff;transform:translateY(-2px)}
.btn-line-light:focus-visible{outline:3px solid rgba(43,227,196,.8);outline-offset:3px}
.cta-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- 页脚 ---------- */
.site-footer{background:#1B1040;color:rgba(255,255,255,.72);padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,2.4fr) minmax(0,2.4fr) minmax(0,3.2fr);gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800}
.footer-brand:hover{color:#fff}
.footer-about{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:340px}
.footer-title{font-size:14px;font-weight:650;color:var(--cyan);margin-bottom:18px;letter-spacing:.02em}
.footer-links li{margin-bottom:12px}
.footer-links a{
  color:rgba(255,255,255,.72);font-size:14.5px;display:inline-block;
  transition:color .2s ease,transform .2s ease;
}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-info li{font-size:14px;color:rgba(255,255,255,.68);margin-bottom:12px;display:flex;gap:10px}
.footer-info i{color:var(--cyan);font-size:13px;margin-top:5px}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0;display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.footer-bottom .ver-tag{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.08);color:var(--cyan);
}
.to-top{
  margin-left:auto;width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(255,61,138,.75);background:transparent;color:var(--pink);
  cursor:pointer;font-size:15px;transition:.22s ease;
}
.to-top:hover{background:var(--pink);color:#fff;transform:translateY(-3px)}
.to-top:focus-visible{outline:3px solid rgba(43,227,196,.7);outline-offset:3px}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--pad-y:76px}
  .hero-grid{gap:40px}
  .feature-row,.feature-row.reverse{grid-template-columns:minmax(0,1fr);gap:28px}
  .feature-row.reverse .feature-media{order:1}
  .feature-row.reverse .feature-body{order:2}
  .shot-card{flex:0 0 calc((100% - 24px)/2)}
  .news-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-cta{display:none}
  .hero{padding:130px 0 76px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:44px}
  .hero-visual{max-width:560px}
  .hero-float{left:0;bottom:-20px}
  .sys-grid{grid-template-columns:minmax(0,1fr)}
  .review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-list{padding:6px 20px}
}
@media (max-width:767.98px){
  :root{--pad-y:56px}
  .container{padding:0 18px}
  .hero{padding:118px 0 64px}
  .hero-sub{font-size:15.5px}
  .hero-stats{gap:0 22px}
  .stat{min-width:96px}
  .shot-card{flex:0 0 82%}
  .review-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .news-head{flex-direction:column;align-items:flex-start}
  .btn-main,.btn-ghost,.btn-line-light{height:52px;width:100%;justify-content:center}
  .hero-cta{gap:12px}
  .hero-float{position:static;margin-top:16px;left:0;bottom:0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{margin-left:0}
}
@media (max-width:575.98px){
  .brand{font-size:17px}
  .brand-mark{width:28px;height:28px}
  .shot-card{flex:0 0 88%}
  .sys-panel{padding:6px 18px}
  .sys-list li{flex-direction:column;gap:6px}
  .sys-val{text-align:left}
  .review-card{padding:18px}
  .cta-buttons{gap:12px}
}

/* roulang page: article */
:root{
  --ink:#1B1040;
  --ink-2:#241457;
  --pink:#FF3D8A;
  --mint:#2BE3C4;
  --violet:#6C4CF1;
  --bg:#F5F3FB;
  --card:#FFFFFF;
  --text:#161226;
  --muted:#5B5570;
  --faint:#8B86A0;
  --line:#E6E2F2;
  --soft:#F8F6FD;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 4px 16px rgba(27,16,64,.06);
  --sh-2:0 18px 40px rgba(27,16,64,.14);
  --sh-3:0 24px 54px rgba(27,16,64,.20);
  --ease:.26s cubic-bezier(.4,.2,.2,1);
  --bs-body-font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --bs-link-color:#6C4CF1;
  --bs-link-hover-color:#FF3D8A;
  --bs-border-radius:14px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--violet);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--pink)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:750;color:var(--text);line-height:1.3}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(255,61,138,.18)}
:focus-visible{outline:3px solid var(--mint);outline-offset:2px;border-radius:6px}

.container{max-width:1180px;padding-left:20px;padding-right:20px;margin:0 auto}

/* ============ 导航 ============ */
.site-header{
  position:absolute;top:0;left:0;right:0;z-index:1030;
  background:rgba(27,16,64,.42);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 8px 30px rgba(0,0,0,.18);
  transition:background var(--ease),box-shadow var(--ease),transform var(--ease);
}
.site-header.is-stuck{
  position:fixed;
  background:#1B1040;
  box-shadow:0 4px 18px rgba(27,16,64,.28);
  border-bottom-color:rgba(255,255,255,.08);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:76px;transition:height var(--ease)}
.site-header.is-stuck .nav-inner{height:64px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-size:19px;font-weight:750;letter-spacing:-.2px;
  white-space:nowrap;flex:0 0 auto;
}
.brand:hover{color:#fff}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:inline-flex;
  align-items:center;justify-content:center;
  background:linear-gradient(120deg,#FF3D8A,#6C4CF1);
  color:#fff;font-size:16px;box-shadow:0 6px 16px rgba(255,61,138,.35);
}
.brand-dot{width:7px;height:7px;border-radius:50%;background:var(--mint);display:inline-block;margin-left:2px;box-shadow:0 0 0 4px rgba(43,227,196,.18)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;color:rgba(255,255,255,.9);font-size:15px;font-weight:500;
  padding:8px 14px;border-radius:var(--r-sm);transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--mint);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);border-radius:2px;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--mint);background:rgba(255,255,255,.06)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link.active{color:#fff;font-weight:650}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.06);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  transition:background var(--ease),transform var(--ease),border-color var(--ease);
}
.icon-btn:hover{background:rgba(43,227,196,.16);border-color:var(--mint);transform:translateY(-1px)}
.icon-btn:active{transform:translateY(0)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-pill);
  background:linear-gradient(120deg,#FF3D8A,#6C4CF1);
  color:#fff;font-size:15px;font-weight:650;
  box-shadow:0 8px 22px rgba(255,61,138,.30);
  transition:transform var(--ease),box-shadow var(--ease),color var(--ease);
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,61,138,.42)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.06);
  color:#fff;align-items:center;justify-content:center;font-size:17px;
}
.nav-toggle:hover{background:rgba(43,227,196,.16);border-color:var(--mint)}
.drawer-cta{display:none}

/* ============ 文章首屏 ============ */
.article-hero{
  position:relative;
  padding:150px 0 68px;
  background:linear-gradient(135deg,#1B1040 0%,#2A1667 55%,#3A1A6E 100%);
  overflow:hidden;
}
.article-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.18;pointer-events:none;
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(180deg,rgba(27,16,64,0) 0%,rgba(27,16,64,.55) 100%);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:var(--mint)}
.crumb .sep{color:rgba(255,255,255,.34)}
.crumb-current{color:#fff;font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  color:#fff;
  font-size:clamp(26px,3.6vw,42px);
  font-weight:800;line-height:1.24;letter-spacing:-.4px;
  max-width:880px;word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.74);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--mint);font-size:13px}
.meta-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 14px;border-radius:var(--r-pill);
  background:rgba(43,227,196,.14);
  border:1px solid rgba(43,227,196,.5);
  color:var(--mint);font-size:13px;font-weight:600;
}

/* ============ 正文区 ============ */
.article-main{padding:64px 0 88px}
.article-card{
  max-width:880px;margin:0 auto;background:var(--card);
  border-radius:var(--r-lg);border:1px solid var(--line);
  box-shadow:var(--sh-1);
  padding:56px 60px 48px;
}
.article-body{font-size:16px;line-height:1.85;color:var(--text);max-width:760px;margin:0 auto}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;padding-left:16px;
  font-size:clamp(20px,2.2vw,26px);font-weight:750;
  margin:44px 0 16px;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;
  border-radius:3px;background:var(--pink);
}
.article-body h3{
  font-size:18px;font-weight:650;margin:32px 0 12px;color:var(--ink);
}
.article-body h4{font-size:16px;font-weight:650;margin:24px 0 10px;color:var(--ink-2)}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.2em}
.article-body ul li{list-style:disc;margin-bottom:.5em}
.article-body ol li{list-style:decimal;margin-bottom:.5em}
.article-body li::marker{color:var(--violet)}
.article-body a{color:var(--violet);text-decoration:underline;text-decoration-color:rgba(108,76,241,.35);text-underline-offset:3px}
.article-body a:hover{color:var(--pink);text-decoration-color:rgba(255,61,138,.5)}
.article-body blockquote{
  background:var(--soft);border-left:4px solid var(--violet);
  border-radius:0 var(--r-md) var(--r-md) 0;
  padding:18px 24px;margin:24px 0;color:var(--muted);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  max-width:100%;border-radius:12px;margin:26px auto;
  box-shadow:var(--sh-2);
}
.article-body figure{margin:26px 0}
.article-body figcaption{
  text-align:center;font-size:13px;color:var(--faint);margin-top:10px;
}
.article-body pre{
  background:#1B1040;color:#EDEAFA;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13.5px;line-height:1.75;
  padding:18px 20px;border-radius:12px;overflow-x:auto;margin:22px 0;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13.5px;background:#EFEBFB;color:#4A2FCF;
  padding:2px 7px;border-radius:6px;
}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);
}
.article-body th{background:var(--soft);color:var(--ink);font-weight:650;font-size:14.5px}
.article-body tr:last-child td{border-bottom:none}
.article-body hr{border:none;border-top:1px dashed var(--line);margin:36px 0}

/* 空态 */
.empty-state{
  text-align:center;padding:36px 20px 12px;color:var(--muted);
}
.empty-state i{font-size:44px;color:var(--violet);opacity:.7;margin-bottom:18px;display:block}
.empty-state h2{font-size:22px;margin-bottom:12px;color:var(--ink)}
.empty-state p{max-width:520px;margin:0 auto 26px;font-size:15px;color:var(--muted)}

/* ============ 通用按钮 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 30px;border-radius:var(--r-pill);border:none;
  background:linear-gradient(120deg,#FF3D8A,#6C4CF1);
  color:#fff;font-size:16px;font-weight:650;
  box-shadow:0 12px 28px rgba(255,61,138,.30);
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease);
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(255,61,138,.42)}
.btn-main:active{transform:translateY(0);box-shadow:0 8px 20px rgba(255,61,138,.30)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:52px;padding:0 26px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.42);background:rgba(255,255,255,.06);
  color:#fff;font-size:15.5px;font-weight:600;
  transition:transform var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-ghost:hover{color:#fff;background:rgba(43,227,196,.14);border-color:var(--mint);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 26px;border-radius:var(--r-pill);
  border:1px solid var(--violet);background:#fff;color:var(--violet);
  font-size:15.5px;font-weight:600;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-line:hover{background:var(--violet);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(108,76,241,.28)}
.btn-line:active{transform:translateY(0)}

/* ============ 相关推荐 ============ */
.related{padding:0 0 88px}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:28px;
}
.sec-head h2{font-size:clamp(20px,2.4vw,28px);color:var(--ink)}
.sec-head p{margin:6px 0 0;font-size:14.5px;color:var(--muted)}
.link-more{font-size:14.5px;font-weight:600;color:var(--violet);display:inline-flex;align-items:center;gap:7px}
.link-more:hover{color:var(--pink)}
.link-more i{font-size:12px;transition:transform var(--ease)}
.link-more:hover i{transform:translateX(3px)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,76,241,.35)}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-2)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.05)}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-tag{
  align-self:flex-start;font-size:12px;font-weight:600;
  color:var(--violet);background:#EFEBFB;border-radius:var(--r-pill);
  padding:3px 12px;transition:background var(--ease),color var(--ease);
}
.rel-card:hover .rel-tag{background:var(--violet);color:#fff}
.rel-body h3{font-size:17px;font-weight:650;line-height:1.5;color:var(--ink)}
.rel-body h3 a{color:inherit}
.rel-body h3 a:hover{color:var(--pink)}
.rel-desc{font-size:14px;color:var(--muted);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-time{font-size:12.5px;color:var(--faint);margin-top:auto;display:inline-flex;align-items:center;gap:6px}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;background:#241457;color:#fff;overflow:hidden;
  padding:76px 0;
}
.cta-band .cta-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:.16;
}
.cta-band .container{position:relative;z-index:2}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-lg);
  padding:44px 48px;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.cta-inner h2{color:#fff;font-size:clamp(21px,2.4vw,30px);margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.76);font-size:15px;margin:0;max-width:600px}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{background:#1B1040;color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-size:18px;font-weight:750;margin-bottom:18px;
}
.footer-brand:hover{color:#fff}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.68);max-width:420px;margin:0}
.footer-title{font-size:14px;font-weight:650;color:var(--mint);margin-bottom:18px;letter-spacing:.4px}
.footer-links li{margin-bottom:12px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;display:inline-block;transition:color var(--ease),transform var(--ease)}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-info li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.68);margin-bottom:14px}
.footer-info i{color:var(--mint);margin-top:5px;font-size:13px;flex:0 0 auto}
.footer-bottom{
  margin-top:56px;padding:22px 0 26px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.ver-tag{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12.5px;padding:3px 12px;border-radius:var(--r-pill);
  background:rgba(43,227,196,.14);border:1px solid rgba(43,227,196,.4);color:var(--mint);
}
.to-top{
  margin-left:auto;width:42px;height:42px;border-radius:50%;
  border:1px solid rgba(255,61,138,.6);background:transparent;color:var(--pink);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.to-top:hover{background:var(--pink);color:#fff;transform:translateY(-3px)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .related-grid{gap:20px}
  .article-card{padding:48px 44px 42px}
}
@media (max-width:991.98px){
  .nav-links{
    position:fixed;inset:0;z-index:1050;
    flex-direction:column;justify-content:center;align-items:center;gap:26px;
    background:rgba(18,10,44,.97);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  }
  .nav-links.open{opacity:1;visibility:visible;transform:none}
  .nav-link{font-size:20px;padding:10px 22px}
  .nav-link::after{left:22px;right:22px}
  .drawer-cta{
    display:inline-flex;align-items:center;gap:9px;
    height:50px;padding:0 28px;border-radius:var(--r-pill);
    background:linear-gradient(120deg,#FF3D8A,#6C4CF1);color:#fff;
    font-size:16px;font-weight:650;box-shadow:0 12px 28px rgba(255,61,138,.34);
  }
  .drawer-cta:hover{color:#fff}
  .nav-toggle{display:inline-flex}
  .icon-btn{display:none}
  .article-hero{padding:126px 0 56px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:36px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767.98px){
  .nav-inner{height:66px;gap:16px}
  .brand{font-size:16px}
  .brand-mark{width:32px;height:32px;border-radius:10px;font-size:14px}
  .nav-cta{height:38px;padding:0 15px;font-size:14px}
  .article-hero{padding:112px 0 46px}
  .article-title{font-size:24px}
  .article-main{padding:44px 0 64px}
  .article-card{padding:32px 22px 28px;border-radius:16px}
  .article-body{font-size:15.5px}
  .related-grid{grid-template-columns:1fr}
  .cta-band{padding:56px 0}
  .cta-inner{padding:30px 24px;border-radius:16px}
  .btn-row{width:100%}
  .btn-row .btn-main,.btn-row .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{margin-top:40px}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .nav-cta span{display:none}
  .article-meta{gap:8px 16px;font-size:13px}
  .article-body h2{font-size:19px}
  .btn-main,.btn-ghost{height:50px;font-size:15px;width:100%}
  .cta-inner .btn-row{flex-direction:column}
}

/* roulang page: category1 */
:root{
  --ink:#1B1040;
  --ink-2:#241457;
  --ink-3:#2A1667;
  --magenta:#FF3D8A;
  --mint:#2BE3C4;
  --violet:#6C4CF1;
  --bg:#F5F3FB;
  --card:#FFFFFF;
  --text:#161226;
  --text-2:#5B5570;
  --text-3:#8B86A0;
  --line:#E6E2F2;
  --radius-s:12px;
  --radius:16px;
  --radius-l:22px;
  --shadow-s:0 6px 18px rgba(27,16,64,.06);
  --shadow:0 14px 34px rgba(27,16,64,.10);
  --shadow-l:0 24px 54px rgba(27,16,64,.16);
  --bs-body-font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --bs-body-color:#161226;
  --bs-body-bg:#F5F3FB;
  --bs-link-color:#6C4CF1;
  --bs-link-hover-color:#FF3D8A;
  --bs-border-color:#E6E2F2;
  --bs-border-radius:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto}
a{text-decoration:none;color:var(--violet);transition:color .2s ease,background-color .2s ease,border-color .2s ease,opacity .2s ease}
a:hover{color:var(--magenta)}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:750;line-height:1.32;letter-spacing:-.3px}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid rgba(43,227,196,.7);outline-offset:2px}
.container{width:100%;max-width:1180px;margin:0 auto;padding-left:20px;padding-right:20px}

/* ---------- 导航 ---------- */
.site-header{
  position:absolute;top:0;left:0;right:0;z-index:1000;
  background:rgba(27,16,64,.42);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 8px 30px rgba(0,0,0,.18);
  transition:background-color .28s ease,box-shadow .28s ease;
}
.site-header.is-stuck{position:fixed;background:#1B1040;box-shadow:0 4px 18px rgba(27,16,64,.28)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:76px;padding:10px 0;transition:min-height .28s ease}
.site-header.is-stuck .nav-inner{min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:750;letter-spacing:-.2px;white-space:nowrap}
.brand:hover{color:#fff}
.brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(120deg,#FF3D8A,#6C4CF1);color:#fff;font-size:15px;box-shadow:0 6px 16px rgba(255,61,138,.32)}
.brand-dot{width:7px;height:7px;border-radius:50%;background:var(--mint);display:inline-block;margin-left:2px;box-shadow:0 0 0 4px rgba(43,227,196,.18)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{position:relative;color:rgba(255,255,255,.9);font-size:15px;font-weight:500;padding:6px 0}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform .26s ease}
.nav-link:hover{color:var(--mint)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#fff;font-weight:650}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.06);color:#fff;font-size:15px;display:inline-flex;align-items:center;justify-content:center;transition:background-color .2s ease,border-color .2s ease,transform .2s ease}
.icon-btn:hover{background:rgba(43,227,196,.18);border-color:var(--mint);color:var(--mint);transform:translateY(-1px)}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;background:linear-gradient(120deg,#FF3D8A,#6C4CF1);color:#fff;font-size:14.5px;font-weight:650;box-shadow:0 10px 24px rgba(255,61,138,.28);transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}
.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,61,138,.38);filter:saturate(1.08)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.06);color:#fff;font-size:16px}

/* ---------- 分类首屏 ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:148px 0 74px;
  background:linear-gradient(135deg,#1B1040 0%,#2A1667 55%,#3A1A6E 100%);
  color:#fff;
}
.cat-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.2}
.cat-hero .container{position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:22px}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:var(--mint)}
.crumbs i{font-size:10px;opacity:.6}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;border:1px solid rgba(43,227,196,.55);background:rgba(43,227,196,.1);color:var(--mint);font-size:13px;font-weight:600;letter-spacing:.2px;margin-bottom:20px}
.cat-hero h1{color:#fff;font-size:clamp(28px,4vw,48px);font-weight:800;line-height:1.2;letter-spacing:-.6px;max-width:820px}
.hero-sub{margin:16px 0 30px;max-width:640px;color:rgba(255,255,255,.82);font-size:17px;line-height:1.7}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.btn-main{
  display:inline-flex;align-items:center;gap:10px;padding:15px 30px;border-radius:999px;
  background:linear-gradient(120deg,#FF3D8A,#6C4CF1);color:#fff;font-size:16px;font-weight:650;
  border:none;box-shadow:0 14px 32px rgba(255,61,138,.30);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(255,61,138,.40);filter:saturate(1.1)}
.btn-main:active{transform:translateY(1px)}
.btn-main em{font-style:normal;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;padding:2px 8px;border-radius:999px;background:rgba(255,255,255,.2)}
.btn-line{
  display:inline-flex;align-items:center;gap:9px;padding:14px 26px;border-radius:999px;
  border:1px solid rgba(255,255,255,.36);background:rgba(255,255,255,.06);color:#fff;
  font-size:15px;font-weight:600;transition:background-color .2s ease,border-color .2s ease,transform .2s ease,color .2s ease;
}
.btn-line:hover{color:var(--mint);border-color:var(--mint);background:rgba(43,227,196,.12);transform:translateY(-2px)}
.btn-line:active{transform:translateY(1px)}
.btn-line.dark{border-color:#D9D3EE;background:#fff;color:var(--ink);box-shadow:var(--shadow-s)}
.btn-line.dark:hover{border-color:var(--violet);color:var(--violet);background:#fff}
.btn-line.sm{padding:10px 20px;font-size:14px;border-color:rgba(108,76,241,.35);color:var(--violet);background:rgba(108,76,241,.06)}
.btn-line.sm:hover{background:rgba(108,76,241,.12);color:var(--violet);border-color:var(--violet)}
.trust-row{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid rgba(255,255,255,.16);padding-top:22px}
.trust-row li{display:flex;flex-direction:column;gap:3px;padding-right:34px;margin-right:34px;border-right:1px solid rgba(255,255,255,.16)}
.trust-row li:last-child{border-right:none;margin-right:0;padding-right:0}
.trust-row .k{font-size:12.5px;color:rgba(255,255,255,.6);letter-spacing:.4px}
.trust-row .v{font-size:15px;font-weight:650;color:#fff;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section.white{background:var(--card)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:38px}
.section-head.center{flex-direction:column;align-items:center;text-align:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:650;letter-spacing:1.2px;color:var(--violet);text-transform:uppercase;margin-bottom:10px}
.eyebrow.light{color:var(--mint)}
.section-head h2{font-size:clamp(23px,2.6vw,34px);font-weight:750}
.section-sub{color:var(--text-2);font-size:15.5px;max-width:660px;margin:12px 0 0}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--magenta)}
.text-link:hover{color:var(--violet);text-decoration:underline}
.text-link i{transition:transform .2s ease}
.text-link:hover i{transform:translateX(3px)}
.intro-inner p{max-width:820px;font-size:16.5px;color:var(--text-2);margin:0}
.cat-intro{padding:64px 0 8px}

/* ---------- 通道横向大卡 ---------- */
.dl-list{display:grid;gap:26px;margin-top:34px}
.dl-card{
  display:grid;grid-template-columns:340px 1fr;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-l);
  overflow:hidden;box-shadow:var(--shadow-s);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-l);border-color:rgba(108,76,241,.34)}
.dl-media{display:block;overflow:hidden;background:var(--ink-2)}
.dl-media img{width:100%;height:100%;min-height:250px;object-fit:cover;transition:transform .5s ease}
.dl-card:hover .dl-media img{transform:scale(1.045)}
.dl-body{padding:28px 30px;display:flex;flex-direction:column;gap:12px}
.dl-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;padding:4px 13px;border-radius:999px;background:#EFEBFB;color:var(--violet);font-size:12.5px;font-weight:650}
.chip:hover{background:var(--violet);color:#fff}
.mini-time{font-size:13px;color:var(--text-3);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.dl-body h3{font-size:19.5px;font-weight:700}
.dl-body p{color:var(--text-2);font-size:15px;line-height:1.8;margin:0}
.dl-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:2px}
.dl-points li{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2)}
.dl-points i{color:var(--mint);font-size:12px}
.dl-body .btn-line.sm{align-self:flex-start;margin-top:6px}

/* ---------- 安装流程 ---------- */
.section-alt{background:#fff}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step-card{position:relative;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,61,138,.35)}
.step-no{display:inline-block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;font-weight:700;color:var(--magenta);letter-spacing:1px;margin-bottom:12px}
.step-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.step-card p{font-size:14.5px;color:var(--text-2);line-height:1.78;margin:0}

/* ---------- 系统要求（深色） ---------- */
.spec-section{position:relative;background:#241457;color:#fff;overflow:hidden}
.spec-section::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:.14}
.spec-section .container{position:relative;z-index:1}
.spec-section h2{color:#fff;font-size:clamp(23px,2.6vw,34px)}
.spec-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:start}
.spec-list{margin-top:26px;display:grid;gap:0}
.spec-list li{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:15px}
.spec-list li:first-child{border-top:1px solid rgba(255,255,255,.12)}
.spec-list .k{color:var(--mint);font-weight:600;font-size:14.5px}
.spec-list .v{color:rgba(255,255,255,.92);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14.5px}
.spec-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-l);padding:26px 24px;backdrop-filter:blur(6px)}
.spec-card h3{color:#fff;font-size:17px;margin-bottom:12px}
.spec-card p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8}
.spec-card .btn-line{width:100%;justify-content:center;margin-top:6px}
.spec-card .mini-time{display:block;margin-top:14px;color:rgba(255,255,255,.55)}

/* ---------- 更新要点 ---------- */
.news-list{display:grid;gap:18px;margin-top:34px}
.news-item{
  display:grid;grid-template-columns:120px 1fr;gap:22px;align-items:start;
  background:var(--card);border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:var(--radius);padding:22px 26px;
  transition:transform .24s ease,box-shadow .24s ease,border-left-color .24s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-left-color:var(--magenta)}
.news-ver{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15px;font-weight:700;color:var(--ink);display:block}
.news-date{display:block;font-size:12.5px;color:var(--text-3);margin-top:4px}
.news-item h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.news-item p{margin:0;color:var(--text-2);font-size:14.5px;line-height:1.8}

/* ---------- 评价 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:34px}
.review-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-s);transition:transform .24s ease,box-shadow .24s ease}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:15px}
.avatar.a1{background:linear-gradient(120deg,#FF3D8A,#6C4CF1)}
.avatar.a2{background:linear-gradient(120deg,#6C4CF1,#2BE3C4)}
.avatar.a3{background:linear-gradient(120deg,#2A1667,#FF3D8A)}
.review-name{font-size:14.5px;font-weight:650}
.review-role{display:block;font-size:12.5px;color:var(--text-3)}
.stars{margin-left:auto;color:var(--magenta);font-size:12.5px;letter-spacing:2px}
.review-card p{margin:0;font-size:14.5px;color:var(--text-2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:34px auto 0}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:box-shadow .24s ease,border-color .24s ease}
.faq-item:hover{border-color:rgba(108,76,241,.3);box-shadow:var(--shadow-s)}
.faq-item.open{box-shadow:var(--shadow)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:transparent;border:none;text-align:left;
  font-size:16px;font-weight:650;color:var(--text);min-height:56px;position:relative;
}
.faq-q::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:0 3px 3px 0;background:var(--magenta);opacity:0;transition:opacity .24s ease}
.faq-item.open .faq-q::before{opacity:1}
.faq-q:hover{color:var(--violet)}
.faq-icon{width:22px;height:22px;position:relative;flex:0 0 22px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--magenta);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.faq-icon::before{left:3px;right:3px;top:10px;height:2px}
.faq-icon::after{top:3px;bottom:3px;left:10px;width:2px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;background:#F8F6FD}
.faq-a p{margin:0;padding:18px 22px 22px;font-size:14.8px;color:var(--text-2);line-height:1.85}

/* ---------- CTA ---------- */
.cta-section{padding:88px 0}
.cta-panel{
  position:relative;overflow:hidden;text-align:center;
  background:linear-gradient(135deg,#1B1040 0%,#2A1667 60%,#3A1A6E 100%);
  border-radius:26px;padding:56px 30px 50px;color:#fff;
}
.cta-panel::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.16}
.cta-panel > *{position:relative;z-index:1}
.cta-panel h2{color:#fff;font-size:clamp(23px,2.6vw,32px)}
.cta-panel > p{color:rgba(255,255,255,.8);font-size:15.5px;max-width:620px;margin:14px auto 30px}
.cta-group{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-group .btn-main{padding:16px 40px;font-size:16.5px}
.cta-note{margin:24px auto 0;font-size:13px;color:rgba(255,255,255,.55);max-width:640px}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:34px}
.rel-card{
  display:flex;align-items:center;gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:24px;box-shadow:var(--shadow-s);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(43,227,196,.5)}
.rel-icon{width:48px;height:48px;flex:0 0 48px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;background:#EFEBFB;color:var(--violet);font-size:18px}
.rel-card h3{font-size:16.5px;font-weight:700;margin-bottom:4px}
.rel-card p{margin:0;font-size:14px;color:var(--text-2)}
.rel-arrow{margin-left:auto;color:var(--text-3);transition:transform .22s ease,color .22s ease}
.rel-card:hover .rel-arrow{transform:translateX(4px);color:var(--magenta)}

/* ---------- 页脚 ---------- */
.site-footer{background:#1B1040;color:rgba(255,255,255,.72);padding:66px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:38px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17.5px;font-weight:750;margin-bottom:16px}
.footer-brand:hover{color:#fff}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;margin:0}
.footer-title{font-size:14px;font-weight:650;color:var(--mint);margin-bottom:16px;letter-spacing:.4px}
.footer-links li{margin-bottom:11px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;display:inline-block;transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-info li{display:flex;gap:10px;font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.66);margin-bottom:12px}
.footer-info i{color:var(--mint);margin-top:5px;font-size:12px}
.footer-bottom{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.6);
}
.ver-tag{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;padding:2px 10px;border-radius:999px;background:rgba(255,61,138,.16);color:#FF7AB4;font-size:12px}
.to-top{
  margin-left:auto;width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,61,138,.6);background:transparent;color:#FF7AB4;font-size:14px;
  display:inline-flex;align-items:center;justify-content:center;transition:background-color .2s ease,transform .2s ease,color .2s ease;
}
.to-top:hover{background:rgba(255,61,138,.18);color:#fff;transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .spec-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
}
@media (max-width:991px){
  .nav-links{gap:20px}
  .dl-card{grid-template-columns:280px 1fr}
  .revive-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:56px 0}
  .cat-intro{padding:48px 0 0}
  .cat-hero{padding:120px 0 56px}
  .nav-links{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:1200;
    flex-direction:column;align-items:flex-start;justify-content:center;gap:22px;
    padding:90px 30px;background:rgba(27,16,64,.985);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .24s ease,transform .24s ease,visibility .24s;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:none}
  .nav-link{font-size:18px;color:#fff}
  .nav-link::after{height:2px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;position:relative;z-index:1300}
  .icon-btn{display:none}
  .nav-cta{padding:10px 16px;font-size:13.5px}
  .trust-row{gap:18px;flex-direction:column}
  .trust-row li{border-right:none;padding-right:0;margin-right:0;flex-direction:row;align-items:baseline;gap:10px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn-main,.hero-cta .btn-line{justify-content:center;min-height:52px}
  .step-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .dl-card{grid-template-columns:1fr}
  .dl-media img{min-height:190px}
  .dl-body{padding:22px 20px}
  .news-item{grid-template-columns:1fr;gap:10px}
  .spec-list li{grid-template-columns:1fr;gap:4px}
  .cta-panel{padding:44px 20px 40px;border-radius:22px}
  .cta-group{flex-direction:column;align-items:stretch}
  .cta-group .btn-main,.cta-group .btn-line{justify-content:center;width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .to-top{margin-left:0}
}
@media (max-width:575px){
  .brand{font-size:15.5px}
  .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:13px}
  .cat-hero h1{font-size:26px}
  .hero-sub{font-size:15.5px}
  .dl-points{gap:8px 16px}
}

/* roulang page: category2 */
:root{
  --ink:#1B1040;
  --ink-2:#241457;
  --ink-3:#2A1667;
  --pink:#FF3D8A;
  --mint:#2BE3C4;
  --violet:#6C4CF1;
  --bg:#F5F3FB;
  --card:#FFFFFF;
  --text:#161226;
  --muted:#5B5570;
  --weak:#8B86A0;
  --line:#E6E2F2;
  --soft:#EFEBFB;
  --grad-hero:linear-gradient(135deg,#1B1040 0%,#2A1667 55%,#3A1A6E 100%);
  --grad-btn:linear-gradient(120deg,#FF3D8A,#6C4CF1);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:18px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(27,16,64,.08);
  --sh-2:0 18px 40px rgba(27,16,64,.16);
  --sh-3:0 24px 52px rgba(27,16,64,.22);
  --bs-body-font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--text);
  --bs-link-color:var(--violet);
  --bs-link-hover-color:var(--pink);
  --bs-border-color:var(--line);
  --bs-primary:var(--pink);
  --bs-border-radius:var(--r-sm);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--violet);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--pink);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.2px;}
p{margin:0 0 1.2em;max-width:780px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--mint);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1220px;
  margin:0 auto;
  padding:0 20px;
}

/* ---------- 导航 ---------- */
.site-header{
  position:absolute;
  top:0;left:0;right:0;
  z-index:1040;
  background:rgba(27,16,64,.42);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 8px 30px rgba(0,0,0,.18);
  transition:background .28s ease,box-shadow .28s ease,transform .28s ease;
}
.site-header.is-scrolled{
  position:fixed;
  background:#1B1040;
  box-shadow:0 4px 18px rgba(27,16,64,.28);
}
.nav-inner{
  display:flex;
  align-items:center;
  height:76px;
  transition:height .28s ease;
}
.site-header.is-scrolled .nav-inner{height:64px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:18px;
  font-weight:750;
  letter-spacing:-.2px;
  white-space:nowrap;
}
.brand:hover{color:#fff;}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:var(--grad-btn);
  color:#fff;
  font-size:15px;
  box-shadow:0 6px 18px rgba(255,61,138,.36);
}
.brand-dot{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--pink);
  display:inline-block;
  margin-left:2px;
  box-shadow:0 0 0 4px rgba(255,61,138,.18);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  color:rgba(255,255,255,.9);
  font-size:15px;
  font-weight:600;
  border-radius:10px;
  transition:color .22s ease,background .22s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--mint);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .26s ease;
}
.nav-link:hover{color:var(--mint);background:rgba(255,255,255,.06);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:#fff;}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:22px;
}
.icon-btn{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.06);
  color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.icon-btn:hover{background:rgba(43,227,196,.16);border-color:var(--mint);color:var(--mint);}
.icon-btn:active{transform:scale(.94);}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  border-radius:var(--r-pill);
  background:var(--grad-btn);
  color:#fff;
  font-size:14.5px;
  font-weight:700;
  white-space:nowrap;
  box-shadow:0 10px 24px rgba(255,61,138,.3);
  transition:transform .22s ease,box-shadow .22s ease,background-position .5s ease;
  background-size:150% 100%;
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,61,138,.42);background-position:100% 0;}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.06);
  color:#fff;
  cursor:pointer;
  font-size:17px;
  align-items:center;justify-content:center;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.14);border-color:var(--mint);color:var(--mint);}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  background-image:var(--grad-hero);
  color:#fff;
  padding:148px 0 74px;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.2;
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.68);
  margin-bottom:22px;
}
.crumbs a{color:rgba(255,255,255,.75);}
.crumbs a:hover{color:var(--mint);}
.crumbs i{font-size:11px;opacity:.7;}
.crumbs .current{color:#fff;font-weight:600;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:var(--r-pill);
  border:1px solid rgba(43,227,196,.6);
  background:rgba(43,227,196,.1);
  color:var(--mint);
  font-size:13px;
  font-weight:600;
  margin-bottom:20px;
}
.hero-badge i{font-size:12px;}
.cat-hero h1{
  color:#fff;
  font-size:clamp(30px,4.4vw,50px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.5px;
  max-width:900px;
}
.hero-sub{
  margin-top:16px;
  max-width:640px;
  font-size:16.5px;
  color:rgba(255,255,255,.78);
  line-height:1.8;
}
.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.btn-main{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:15px 30px;
  border:none;
  border-radius:var(--r-pill);
  background:var(--grad-btn);
  background-size:150% 100%;
  color:#fff;
  font-size:16px;
  font-weight:700;
  cursor:pointer;
  box-shadow:0 12px 28px rgba(255,61,138,.32);
  transition:transform .22s ease,box-shadow .22s ease,background-position .5s ease;
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,61,138,.44);background-position:100% 0;}
.btn-main:active{transform:translateY(0) scale(.99);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:15px 28px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.38);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:15.5px;
  font-weight:600;
  cursor:pointer;
  transition:background .22s ease,border-color .22s ease,transform .22s ease,color .22s ease;
}
.btn-ghost:hover{background:rgba(43,227,196,.14);border-color:var(--mint);color:var(--mint);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  margin-top:40px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.14);
}
.stat{
  padding:0 26px;
  border-left:1px solid rgba(255,255,255,.16);
}
.stat:first-child{padding-left:0;border-left:none;}
.stat-label{
  display:block;
  font-size:12.5px;
  color:rgba(255,255,255,.58);
  letter-spacing:.4px;
}
.stat-value{
  display:block;
  margin-top:4px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:16px;
  font-weight:700;
  color:#fff;
}
.stat-value.mint{color:var(--mint);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-soft{background:#fff;}
.section-dark{
  position:relative;
  background:var(--ink-2);
  color:#fff;
  overflow:hidden;
}
.section-dark::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity:.12;
  pointer-events:none;
}
.section-dark .container{position:relative;z-index:2;}
.section-dark h2,
.section-dark h3{color:#fff;}
.sec-head{
  max-width:780px;
  margin-bottom:40px;
}
.sec-eyebrow{
  display:inline-block;
  padding:5px 14px;
  border-radius:var(--r-pill);
  background:var(--soft);
  color:var(--violet);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.6px;
  margin-bottom:14px;
}
.section-dark .sec-eyebrow{
  background:rgba(43,227,196,.14);
  color:var(--mint);
}
.sec-title{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:750;
  line-height:1.3;
}
.sec-desc{
  margin-top:14px;
  color:var(--muted);
  font-size:16px;
  line-height:1.85;
  max-width:760px;
}
.section-dark .sec-desc{color:rgba(255,255,255,.7);}

/* ---------- 分类说明区 ---------- */
.intro-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:start;
}
.intro-text p{color:var(--muted);}
.intro-list{
  display:grid;
  gap:14px;
}
.intro-item{
  display:flex;
  gap:16px;
  padding:20px 22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.intro-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(108,76,241,.35);}
.intro-icon{
  flex:0 0 42px;
  width:42px;height:42px;
  border-radius:13px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--soft);
  color:var(--violet);
  font-size:16px;
}
.intro-item h3{font-size:17px;font-weight:700;margin-bottom:4px;}
.intro-item p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.75;}

/* ---------- 筛选 + 卡片栅格 ---------- */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:30px;
}
.chip{
  padding:9px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-1px);}
.chip:active{transform:translateY(0);}
.chip.active{
  background:var(--soft);
  border-color:var(--violet);
  color:var(--violet);
}
.adapt-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.adapt-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.adapt-card::after{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:3px;
  background:var(--grad-btn);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .3s ease;
}
.adapt-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:rgba(108,76,241,.3);}
.adapt-card:hover::after{transform:scaleX(1);}
.adapt-cover{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--soft);
}
.adapt-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.adapt-card:hover .adapt-cover img{transform:scale(1.05);}
.adapt-body{
  padding:22px 22px 24px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1 1 auto;
}
.tag{
  display:inline-block;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--soft);
  color:var(--violet);
  font-size:12.5px;
  font-weight:600;
  transition:background .2s ease,color .2s ease;
  align-self:flex-start;
}
.adapt-card:hover .tag{background:var(--violet);color:#fff;}
.adapt-body h3{font-size:18px;font-weight:700;line-height:1.5;}
.adapt-body p{
  font-size:14.5px;
  color:var(--muted);
  line-height:1.8;
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.adapt-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:12.8px;
  color:var(--weak);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  display:flex;
  justify-content:space-between;
  gap:10px;
}

/* ---------- 更新日志时间线 ---------- */
.timeline{
  display:grid;
  gap:18px;
  max-width:860px;
}
.tl-item{
  position:relative;
  padding:22px 24px 22px 32px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);
  transition:background .24s ease,border-color .24s ease,transform .24s ease;
}
.tl-item::before{
  content:"";
  position:absolute;
  left:12px;top:26px;bottom:26px;
  width:2px;
  border-radius:2px;
  background:rgba(255,255,255,.2);
}
.tl-item:hover{background:rgba(255,255,255,.1);border-color:rgba(43,227,196,.42);transform:translateX(3px);}
.tl-head{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-bottom:8px;
}
.tl-ver{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;
  font-weight:700;
  color:var(--mint);
  padding:3px 12px;
  border-radius:var(--r-pill);
  background:rgba(43,227,196,.12);
  border:1px solid rgba(43,227,196,.32);
}
.tl-date{
  font-size:13px;
  color:rgba(255,255,255,.58);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.tl-item h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.tl-item p{font-size:14.8px;color:rgba(255,255,255,.72);margin:0;line-height:1.8;}

/* ---------- 自检流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
  counter-reset:step;
}
.step{
  position:relative;
  padding:26px 22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,61,138,.3);}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:12px;
  background:var(--grad-btn);
  color:#fff;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:15px;
  font-weight:700;
  margin-bottom:14px;
  box-shadow:0 8px 20px rgba(255,61,138,.26);
}
.step h3{font-size:16.5px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14.4px;color:var(--muted);margin:0;line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:780px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item:hover{border-color:rgba(108,76,241,.3);}
.faq-item.open{border-color:rgba(255,61,138,.4);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 22px 20px 30px;
  background:none;
  border:none;
  text-align:left;
  font-size:16px;
  font-weight:650;
  color:var(--text);
  cursor:pointer;
  position:relative;
  min-height:48px;
  transition:color .2s ease;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:14px;
  top:20px;
  bottom:20px;
  width:4px;
  border-radius:3px;
  background:var(--pink);
}
.faq-q:hover{color:var(--violet);}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--violet);
  font-size:14px;
  font-weight:700;
  transition:transform .25s ease,background .2s ease,color .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--violet);color:#fff;border-color:var(--violet);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
  background:#F8F6FD;
}
.faq-item.open .faq-a{max-height:400px;}
.faq-a p{
  padding:18px 26px 20px 30px;
  margin:0;
  font-size:15px;
  color:var(--muted);
  line-height:1.85;
  max-width:none;
}

/* ---------- 相关分类 ---------- */
.rel-card{
  display:grid;
  grid-template-columns:260px 1fr;
  gap:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  color:var(--text);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,76,241,.32);color:var(--text);}
.rel-card img{width:100%;height:100%;object-fit:cover;min-height:170px;}
.rel-body{padding:26px 28px;display:flex;flex-direction:column;gap:10px;justify-content:center;}
.rel-body h3{font-size:19px;font-weight:700;}
.rel-body p{font-size:14.8px;color:var(--muted);margin:0;}
.rel-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--pink);
  font-size:14.5px;
  font-weight:700;
  margin-top:4px;
}
.rel-card:hover .rel-more{color:var(--violet);}

/* ---------- CTA 收口 ---------- */
.cta-box{
  position:relative;
  overflow:hidden;
  padding:52px 46px;
  border-radius:var(--r-xl);
  background:var(--ink-2);
  color:#fff;
  box-shadow:var(--sh-3);
}
.cta-box::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.16;
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;}
.cta-box h2{
  color:#fff;
  font-size:clamp(22px,2.4vw,30px);
  font-weight:750;
  line-height:1.35;
}
.cta-box p{
  margin-top:12px;
  color:rgba(255,255,255,.75);
  font-size:15.5px;
}
.dl-group{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.dl-main{
  flex:1 1 340px;
  min-height:56px;
}
.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  flex:0 1 220px;
  min-height:56px;
  padding:14px 24px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.34);
  background:rgba(255,255,255,.05);
  color:#fff;
  font-size:15px;
  font-weight:600;
  transition:background .22s ease,border-color .22s ease,color .22s ease,transform .22s ease;
}
.btn-outline:hover{background:rgba(43,227,196,.14);border-color:var(--mint);color:var(--mint);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.dl-note{
  margin-top:18px;
  font-size:13px;
  color:rgba(255,255,255,.52);
  max-width:none;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:#fff;
  padding:70px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:17px;
  font-weight:750;
  margin-bottom:16px;
}
.footer-brand:hover{color:#fff;}
.footer-about{
  font-size:14.2px;
  color:rgba(255,255,255,.66);
  line-height:1.85;
  margin:0;
}
.footer-title{
  font-size:14px;
  font-weight:650;
  color:var(--mint);
  margin-bottom:18px;
  letter-spacing:.4px;
}
.footer-links li{margin-bottom:11px;}
.footer-links a{
  color:rgba(255,255,255,.72);
  font-size:14.2px;
  display:inline-block;
  transition:color .2s ease,transform .2s ease;
}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-info li{
  display:flex;
  gap:10px;
  font-size:13.8px;
  color:rgba(255,255,255,.66);
  line-height:1.8;
  margin-bottom:12px;
}
.footer-info i{
  color:var(--mint);
  font-size:13px;
  margin-top:6px;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 0 26px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13.4px;
  color:rgba(255,255,255,.6);
}
.ver-tag{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12.6px;
  color:var(--mint);
  border:1px solid rgba(43,227,196,.36);
  border-radius:var(--r-pill);
  padding:3px 12px;
}
.to-top{
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid rgba(255,61,138,.6);
  background:rgba(255,61,138,.12);
  color:var(--pink);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.to-top:hover{background:var(--pink);color:#fff;transform:translateY(-3px);}
.to-top:active{transform:translateY(0);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .intro-grid{gap:36px;}
  .adapt-grid{gap:20px;}
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:fixed;
    top:0;right:0;bottom:0;
    width:min(84vw,340px);
    background:#1B1040;
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-start;
    gap:6px;
    padding:96px 26px 40px;
    margin:0;
    transform:translateX(105%);
    transition:transform .3s ease;
    box-shadow:-18px 0 40px rgba(0,0,0,.36);
    overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-link{
    width:100%;
    font-size:16px;
    padding:14px 12px;
    color:rgba(255,255,255,.88);
  }
  .nav-link::after{left:12px;right:auto;width:22px;bottom:8px;}
  .nav-actions{margin-left:auto;gap:10px;}
  .nav-cta{padding:10px 16px;font-size:13.5px;}
  .cat-hero{padding:130px 0 62px;}
  .intro-grid{grid-template-columns:1fr;}
  .adapt-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .section{padding:56px 0;}
  .cat-hero{padding:120px 0 54px;}
  .hero-stats{gap:18px 0;padding-top:22px;}
  .stat{padding:0 18px;}
  .stat:first-child{padding-left:0;}
  .adapt-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .rel-card{grid-template-columns:1fr;}
  .rel-card img{min-height:190px;}
  .cta-box{padding:36px 24px;}
  .btn-main,.btn-ghost{width:100%;justify-content:center;}
  .dl-main,.btn-outline{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:519.98px){
  .container{padding:0 16px;}
  .brand{font-size:15.5px;gap:8px;}
  .brand-mark{width:30px;height:30px;border-radius:10px;font-size:13px;}
  .nav-cta{padding:9px 13px;font-size:12.8px;}
  .nav-cta i{display:none;}
  .icon-btn{display:none;}
  .hero-badge{font-size:12px;}
  .hero-sub{font-size:15px;}
  .stat{padding:0 14px;}
  .stat-value{font-size:14px;}
  .sec-head{margin-bottom:28px;}
  .adapt-body{padding:18px;}
  .faq-q{font-size:15px;padding:18px 18px 18px 26px;}
  .faq-q::before{left:12px;}
  .faq-a p{padding:16px 20px 18px 26px;font-size:14.5px;}
  .cta-box{padding:30px 20px;}
}