/* roulang page: index */
:root{
  --bg-base:#0D0B14;
  --bg-elev:#141122;
  --bg-card:#1B1730;
  --bg-soft:#171426;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#6C4BFF;
  --brand-2:#FF6B35;
  --brand-2-deep:#FF4D2E;
  --accent:#2AE0B0;
  --warn:#FFC53D;
  --text-hi:#F5F3FF;
  --text-mid:#B9B3D0;
  --text-low:#7E7896;
  --paper:#F6F4FF;
  --paper-text:#1A1730;
  --paper-muted:#56506E;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --s1:0 2px 8px rgba(0,0,0,.35);
  --s2:0 18px 48px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(255,107,53,.45),0 12px 32px rgba(108,75,255,.35);
  --container:1200px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:"Inter",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text-mid);
  background:var(--bg-base);
  background-image:radial-gradient(900px 420px at 78% -8%,rgba(108,75,255,.20),transparent 62%),radial-gradient(700px 340px at 8% 6%,rgba(255,107,53,.10),transparent 60%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--text-hi);font-weight:800;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(255,107,53,.35);color:#fff}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.sec{padding:88px 0}
.sec-head{max-width:760px;margin-bottom:32px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand-2);font-weight:700;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--brand-2),transparent);border-radius:2px}
.sec-head h2{font-size:clamp(22px,2.6vw,32px)}
.sec-head p{margin-top:12px;color:var(--text-mid);font-size:15.5px;max-width:680px}
.sec-head--center p{margin-left:auto;margin-right:auto}
.divider{height:1px;border:0;margin:0;background:linear-gradient(90deg,transparent,rgba(108,75,255,.55),rgba(255,107,53,.45),transparent)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,filter .22s ease;
  white-space:nowrap;
}
.btn-primary{
  height:50px;padding:0 30px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--brand-2),var(--brand-2-deep));
  color:#fff;box-shadow:0 10px 26px rgba(255,77,46,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary:disabled{filter:saturate(.4);cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{border:1px solid rgba(255,255,255,.18);color:var(--text-hi);background:transparent}
.btn-ghost:hover{background:rgba(108,75,255,.16);border-color:rgba(108,75,255,.75)}
.btn-ghost:active{transform:translateY(1px)}
.btn-minor{height:36px;padding:0 16px;font-size:14px;font-weight:600;border-radius:10px;border:1px solid var(--line-strong);color:var(--text-mid)}
.btn-minor:hover{color:var(--text-hi);border-color:rgba(255,107,53,.6);background:rgba(255,107,53,.08)}
.btn-hero{height:56px;padding:0 34px;font-size:16.5px}
.btn-lg{height:54px;padding:0 32px;font-size:16px}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:8px;font-size:12px;font-weight:700;letter-spacing:.08em;
  background:rgba(108,75,255,.16);color:#C9BCFF;border:1px solid rgba(108,75,255,.35);
}
.badge--live{background:rgba(42,224,176,.12);color:var(--accent);border-color:rgba(42,224,176,.35)}
.badge--hot{background:rgba(255,197,61,.12);color:var(--warn);border-color:rgba(255,197,61,.32)}
.badge--brand{background:rgba(255,107,53,.14);color:#FFB393;border-color:rgba(255,107,53,.32)}
.tag{
  display:inline-block;padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;color:var(--text-mid);border:1px solid var(--line-strong);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.tag:hover{color:var(--text-hi);border-color:rgba(108,75,255,.7);background:rgba(108,75,255,.12)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(13,11,20,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease;
}
.site-header.is-compact{background:rgba(13,11,20,.92);box-shadow:0 10px 30px rgba(0,0,0,.45)}
.topbar{
  display:flex;align-items:center;gap:20px;
  height:56px;overflow:hidden;
  transition:height .25s ease,opacity .2s ease;
}
.site-header.is-compact .topbar{height:0;opacity:0}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(140deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;
  box-shadow:0 6px 18px rgba(108,75,255,.45);
}
.brand-text{font-size:17px;font-weight:800;color:var(--text-hi);letter-spacing:-.01em;white-space:nowrap}
.topbar-note{font-size:13px;color:var(--text-low);margin-left:4px;white-space:nowrap}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.trend{
  display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;
  max-width:520px;
}
.trend::-webkit-scrollbar{display:none}
.trend-chip{
  flex-shrink:0;display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--text-mid);padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:color .2s,border-color .2s,background .2s;
}
.trend-chip:hover{color:var(--text-hi);border-color:rgba(255,107,53,.5);background:rgba(255,107,53,.1)}
.trend-chip i{width:6px;height:6px;border-radius:50%;background:var(--brand-2);display:inline-block}
.search-btn{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--text-mid);
  transition:color .2s,border-color .2s,background .2s;
}
.search-btn:hover{color:var(--text-hi);border-color:rgba(108,75,255,.7);background:rgba(108,75,255,.12)}
.search-box{display:flex;align-items:center;overflow:hidden;width:0;opacity:0;transition:width .28s ease,opacity .2s ease}
.search-box.is-open{width:220px;opacity:1}
.search-box input{
  width:100%;height:38px;border-radius:10px;padding:0 14px;
  background:var(--bg-card);border:1px solid var(--line-strong);color:var(--text-hi);font-size:14px;
}
.search-box input::placeholder{color:var(--text-low)}
.search-box input:focus{border-color:var(--brand);outline:none}
.navbar{height:44px;display:flex;align-items:center;gap:8px;border-top:1px solid var(--line)}
.site-header.is-compact .navbar{border-top:1px solid transparent}
.nav-list{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:44px;padding:0 14px;font-size:14px;color:var(--text-mid);
  border-radius:8px;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text-hi);background:rgba(108,75,255,.14)}
.nav-link.is-active{color:var(--text-hi);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-2),#FF9B6E);
}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-cta .btn-minor{height:32px;font-size:13px}
.hamburger{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
  place-items:center;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--text-hi);border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-hi);border-radius:2px}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(6,5,12,.7);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);z-index:95;
  background:var(--bg-elev);border-left:1px solid var(--line-strong);
  transform:translateX(102%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  padding:22px 20px calc(22px + 56px);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line-strong);color:var(--text-mid);display:grid;place-items:center;font-size:18px}
.drawer-close:hover{color:var(--text-hi);border-color:rgba(255,107,53,.6)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px}
.drawer-nav a{padding:12px 14px;border-radius:12px;font-size:15px;color:var(--text-mid);border:1px solid transparent;transition:.2s}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--text-hi);background:rgba(108,75,255,.14);border-color:rgba(108,75,255,.35)}
.drawer-title{font-size:12px;letter-spacing:.14em;color:var(--text-low);margin:18px 0 10px;text-transform:uppercase}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 72px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.16;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,11,20,.55) 0%,rgba(13,11,20,.88) 62%,var(--bg-base) 100%),
             radial-gradient(620px 320px at 22% 30%,rgba(108,75,255,.35),transparent 68%),
             radial-gradient(420px 240px at 82% 78%,rgba(255,107,53,.20),transparent 70%);
}
.hero-dots{
  position:absolute;inset:0;z-index:0;opacity:.06;
  background-image:radial-gradient(rgba(245,243,255,.9) 1px,transparent 1px);
  background-size:22px 22px;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:repeat(12,1fr);gap:32px;align-items:center}
.hero-copy{grid-column:span 6}
.hero-status{
  display:inline-flex;align-items:center;gap:10px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(20,17,34,.8);border:1px solid var(--line-strong);font-size:13px;color:var(--text-mid);
  margin-bottom:20px;
}
.hero-status .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(42,224,176,.16)}
.hero h1{font-size:clamp(30px,4.4vw,56px);line-height:1.12;font-weight:800}
.hero h1 em{
  font-style:normal;position:relative;color:#FF8A5C;
  background:linear-gradient(180deg,transparent 62%,rgba(255,107,53,.28) 62%);
  padding:0 2px;border-radius:3px;
}
.hero-sub{margin-top:18px;font-size:17px;color:var(--text-mid);max-width:520px}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.hero-metrics{
  margin-top:36px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;
  padding-top:24px;border-top:1px solid var(--line);
}
.metric{min-width:0}
.metric b{display:block;font-family:var(--mono);font-size:22px;font-weight:700;color:var(--text-hi);letter-spacing:-.02em}
.metric span{display:block;font-size:12.5px;color:var(--text-low);margin-top:2px}

.hero-visual{grid-column:span 6;position:relative;display:flex;justify-content:center}
.phone-frame{
  position:relative;width:min(300px,80%);
  border-radius:24px;padding:10px;
  background:linear-gradient(150deg,rgba(108,75,255,.55),rgba(255,107,53,.35));
  box-shadow:0 30px 70px rgba(108,75,255,.32),0 0 0 1px rgba(255,255,255,.07);
  transform:rotateY(-8deg) rotateX(2deg);transform-style:preserve-3d;
  transition:transform .5s ease;
}
.phone-frame:hover{transform:rotateY(-3deg) rotateX(0deg) translateY(-4px)}
.phone-frame img{width:100%;aspect-ratio:9/16;object-fit:cover;border-radius:16px;background:var(--bg-card)}
.float-card{
  position:absolute;left:-6%;bottom:8%;z-index:2;
  background:rgba(27,23,48,.94);border:1px solid var(--line-strong);
  border-radius:14px;padding:12px 16px;box-shadow:var(--s2);min-width:172px;
}
.float-card b{display:block;font-family:var(--mono);font-size:19px;color:var(--warn)}
.float-card span{font-size:12.5px;color:var(--text-low)}
.hero-badge-float{
  position:absolute;right:-2%;top:6%;z-index:2;
  background:rgba(20,17,34,.94);border:1px solid rgba(42,224,176,.4);
  border-radius:12px;padding:9px 14px;font-size:13px;color:var(--accent);font-weight:700;
  box-shadow:var(--s1);
}

/* ---------- 价值区 ---------- */
.value-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.value-card{
  position:relative;background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:30px 28px;overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .3s ease;
}
.value-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2),transparent);
  opacity:.65;
}
.value-card:nth-child(2){transform:translateY(18px)}
.value-card:nth-child(3){transform:translateY(-6px)}
.value-card:hover{transform:translateY(-6px);border-color:rgba(255,107,53,.4);box-shadow:var(--s2)}
.value-card:nth-child(2):hover{transform:translateY(12px)}
.value-ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  border:2px solid rgba(108,75,255,.55);color:#B9A8FF;margin-bottom:18px;font-size:19px;font-weight:800;
}
.value-card h3{font-size:19px;margin-bottom:10px}
.value-card p{font-size:14.5px;color:var(--text-mid)}
.text-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:14px;font-weight:700;color:var(--brand-2);
  transition:gap .2s ease,color .2s ease;
}
.text-link:hover{gap:10px;color:#FF9B6E}

/* ---------- 截图轮播 ---------- */
.shots{position:relative}
.shot-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:8px 4px 20px;scrollbar-width:none;
}
.shot-track::-webkit-scrollbar{display:none}
.shot-card{
  flex:0 0 232px;scroll-snap-align:start;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:12px;transition:border-color .25s ease,transform .25s ease;
}
.shot-card:hover{border-color:rgba(108,75,255,.6);transform:translateY(-4px)}
.shot-card img{width:100%;aspect-ratio:9/19.5;object-fit:cover;border-radius:var(--r-img);background:var(--bg-soft)}
.shot-card p{margin-top:12px;font-size:14px;color:var(--text-hi);font-weight:600}
.shot-card span{font-size:12.5px;color:var(--text-low)}
.shot-nav{display:flex;gap:8px;margin-top:8px}
.shot-dot{
  width:34px;height:4px;border-radius:99px;background:rgba(255,255,255,.16);
  transition:background .25s ease,width .25s ease;
}
.shot-dot.is-active{background:var(--brand-2);width:52px}
.shot-arrows{position:absolute;right:0;top:-56px;display:flex;gap:10px}
.arrow-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line-strong);color:var(--text-mid);
  display:grid;place-items:center;font-size:16px;transition:.2s;
}
.arrow-btn:hover{color:var(--text-hi);border-color:rgba(255,107,53,.6);background:rgba(255,107,53,.1)}
.arrow-btn:active{transform:scale(.96)}

/* ---------- 资讯列表 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  display:flex;flex-direction:column;background:var(--bg-card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .3s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(255,107,53,.3);box-shadow:var(--s2)}
.news-card:hover h3{color:#FF9B6E}
.news-thumb{aspect-ratio:16/9;width:100%;object-fit:cover;background:var(--bg-soft)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-card h3{
  font-size:17px;line-height:1.45;color:var(--text-hi);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-card .excerpt{
  font-size:14px;color:var(--text-mid);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line)}
.news-foot time{font-family:var(--mono);font-size:12.5px;color:var(--text-low)}
.news-foot .go{color:var(--brand-2);font-size:14px;font-weight:700;transition:transform .2s ease}
.news-card:hover .go{transform:translateX(4px)}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  border:1px dashed var(--line-strong);border-radius:var(--r-card);background:var(--bg-soft);
}
.empty-state .illu{
  width:64px;height:64px;margin:0 auto 16px;border-radius:18px;
  background:linear-gradient(140deg,rgba(108,75,255,.35),rgba(255,107,53,.25));
  display:grid;place-items:center;color:var(--text-hi);font-size:24px;
}
.empty-state p{color:var(--text-mid);margin-bottom:18px}

/* ---------- 系统要求 ---------- */
.spec-wrap{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.spec-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px}
.spec-card--rec{border-color:rgba(108,75,255,.45);background:linear-gradient(180deg,rgba(108,75,255,.12),rgba(27,23,48,.9))}
.spec-card h3{display:flex;align-items:center;gap:10px;font-size:19px;margin-bottom:20px}
.spec-row{
  display:flex;align-items:baseline;gap:12px;padding:11px 0;font-size:14.5px;
}
.spec-row + .spec-row{border-top:1px dashed rgba(255,255,255,.10)}
.spec-row .label{color:var(--text-low);flex-shrink:0;min-width:96px}
.spec-row .dots{flex:1;border-bottom:1px dashed rgba(255,255,255,.14);transform:translateY(-4px)}
.spec-row .value{font-family:var(--mono);color:var(--text-hi);text-align:right}

/* ---------- 评价墙 ---------- */
.review-wall{columns:3;column-gap:22px}
.review-card{
  break-inside:avoid;margin-bottom:22px;padding:24px;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--bg-card);
  transform:rotate(-.8deg);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.review-card:nth-child(2n){transform:rotate(.9deg);background:linear-gradient(160deg,rgba(255,107,53,.10),rgba(27,23,48,.95))}
.review-card:nth-child(3n){transform:rotate(-.5deg);background:linear-gradient(160deg,rgba(42,224,176,.08),rgba(27,23,48,.95))}
.review-card:hover{transform:rotate(0deg) translateY(-4px);box-shadow:var(--s2);border-color:var(--line-strong)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#fff;background:linear-gradient(140deg,var(--brand),var(--brand-2));
}
.review-top b{display:block;font-size:14.5px;color:var(--text-hi)}
.stars{color:var(--warn);font-size:12.5px;letter-spacing:.12em}
.review-card p{font-size:14.5px;color:var(--text-mid)}
.review-meta{margin-top:14px;font-size:12.5px;color:var(--text-low);font-family:var(--mono)}

/* ---------- 下载区 ---------- */
.download{
  position:relative;overflow:hidden;border-radius:26px;
  border:1px solid var(--line-strong);
  background:radial-gradient(700px 320px at 50% 120%,rgba(255,107,53,.28),transparent 68%),linear-gradient(180deg,rgba(27,23,48,.95),rgba(13,11,20,.98));
  padding:56px 40px;text-align:center;
}
.download::before{
  content:"";position:absolute;left:8%;right:8%;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(108,75,255,.8),rgba(255,107,53,.8),transparent);
}
.download h2{font-size:clamp(22px,2.6vw,32px)}
.download > p{margin-top:12px;color:var(--text-mid);max-width:560px;margin-left:auto;margin-right:auto}
.dl-platforms{margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px}
.dl-platforms .btn-primary{height:64px;padding:0 40px;font-size:17px}
.qr-card{
  margin:34px auto 0;width:160px;background:#fff;border-radius:12px;padding:12px;
  box-shadow:0 14px 34px rgba(0,0,0,.5);
}
.qr-pattern{
  width:100%;height:136px;border-radius:6px;
  background-image:repeating-conic-gradient(#141122 0% 25%,#ffffff 0% 50%);
  background-size:16px 16px;
}
.qr-label{margin-top:12px;font-size:13px;color:var(--text-low)}
.dl-note{margin-top:20px;font-size:13.5px;color:var(--text-low);font-family:var(--mono)}
.dl-note a{color:var(--text-mid);text-decoration:underline;text-underline-offset:3px}
.dl-note a:hover{color:var(--brand-2)}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item:hover{border-color:rgba(108,75,255,.55)}
.faq-item[open]{border-color:rgba(255,107,53,.45);background:rgba(27,23,48,.9)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 60px 20px 24px;font-size:16px;font-weight:700;color:var(--text-hi);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--brand-2);transition:transform .28s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item[open] summary::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-2)}
.faq-item .faq-body{padding:0 24px 22px;font-size:14.5px;color:var(--text-mid)}

/* ---------- 尾部 CTA 条 ---------- */
.cta-strip{
  margin-top:72px;border-radius:22px;padding:36px 40px;
  background:linear-gradient(120deg,rgba(108,75,255,.9),rgba(255,107,53,.82));
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.cta-strip h2{color:#fff;font-size:clamp(20px,2.2vw,26px)}
.cta-strip p{color:rgba(255,255,255,.86);font-size:14.5px;margin-top:6px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;background:#0A0912;border-top:1px solid transparent;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(108,75,255,.75),rgba(255,107,53,.6),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding:64px 0 44px;
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-text{font-size:16.5px}
.footer-col h4{font-size:14px;letter-spacing:.1em;color:var(--text-hi);margin-bottom:18px;text-transform:uppercase}
.footer-col p{font-size:14px;color:var(--text-low);max-width:320px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-low);transition:color .2s,padding-left .2s}
.footer-links a:hover{color:var(--brand-2);padding-left:4px}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 34px;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-low);
}
.footer-bottom .mono{font-family:var(--mono)}

/* ---------- 移动端底部下载条 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:56px;padding:0 16px;align-items:center;gap:12px;
  background:rgba(13,11,20,.96);border-top:1px solid var(--line-strong);
  backdrop-filter:blur(12px);
}
.mobile-bar .mini{font-size:13px;color:var(--text-mid);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mobile-bar .btn-primary{height:40px;padding:0 20px;font-size:14px;flex-shrink:0}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  :root{--container:1320px}
}
@media (max-width:1199px){
  .hero-copy{grid-column:span 7}
  .hero-visual{grid-column:span 5}
  .review-wall{columns:2}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:28px}
  .footer-col:last-child{grid-column:1/-1}
  .trend{max-width:340px}
}
@media (max-width:991px){
  .sec{padding:64px 0}
  .hero{padding:48px 0 56px}
  .hero-inner{gap:40px}
  .hero-copy{grid-column:span 12}
  .hero-visual{grid-column:span 12;margin-top:12px}
  .hero-sub{max-width:none}
  .value-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .value-card:nth-child(2),.value-card:nth-child(3){transform:none}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .spec-wrap{grid-template-columns:1fr}
  .nav-cta .btn-minor{display:none}
  .nav-list{gap:0}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .sec{padding:48px 0}
  .topbar{height:56px}
  .topbar-note,.trend{display:none}
  .hamburger{display:grid}
  .nav-list{display:none}
  .nav-cta{margin-left:auto}
  .navbar{height:52px;border-top:1px solid var(--line)}
  .site-header.is-compact .navbar{border-top-color:var(--line)}
  .hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .hero-bg{opacity:.10}
  .hero-dots{display:none}
  .phone-frame{transform:none;width:min(260px,78%)}
  .phone-frame:hover{transform:translateY(-4px)}
  .float-card{left:0;bottom:-6%}
  .value-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .review-wall{columns:1}
  .review-card{transform:none !important}
  .download{padding:40px 22px;border-radius:20px}
  .dl-platforms .btn-primary{height:56px;padding:0 30px;font-size:16px}
  .cta-strip{padding:28px 24px;margin-top:56px}
  .footer-grid{grid-template-columns:1fr 1fr;padding:48px 0 32px}
  .footer-col:first-child{grid-column:1/-1}
  .footer-col:last-child{grid-column:1/-1}
  .shot-arrows{display:none}
  .shot-track{padding-right:12%}
  .mobile-bar{display:flex}
  body{padding-bottom:56px}
  .news-head{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:480px){
  .hero h1{font-size:29px}
  .hero-actions{gap:10px}
  .btn-hero,.btn-lg{width:100%;padding:0 20px}
  .hero-status{font-size:12px}
  .shot-card{flex:0 0 200px}
  .spec-row{flex-direction:column;align-items:flex-start;gap:4px}
  .spec-row .dots{display:none}
  .spec-row .value{text-align:left}
  .footer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}

/* roulang page: article */
:root{
  --bg-base:#0D0B14;
  --bg-elev:#141122;
  --bg-card:#1B1730;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#6C4BFF;
  --brand-2:#FF6B35;
  --accent:#2AE0B0;
  --warn:#FFC53D;
  --text-hi:#F5F3FF;
  --text-mid:#B9B3D0;
  --text-low:#7E7896;
  --paper:#F6F4FF;
  --paper-text:#1A1730;
  --paper-muted:#56506E;
  --shadow-1:0 2px 8px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.55);
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-hi);
  font-family:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.32}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.mono{font-family:'Inter',ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1320px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(13,11,20,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease;
}
.header-inner{display:flex;align-items:center;gap:30px;height:72px;transition:height .25s ease}
.site-header.is-compact .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;white-space:nowrap}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;font-size:16px;font-weight:800;color:#fff;
  box-shadow:0 6px 18px rgba(108,75,255,.35);
}
.brand-text{font-size:17px;font-weight:800;color:var(--text-hi);transition:font-size .25s ease}
.site-header.is-compact .brand-text{font-size:15.5px}
.navbar{display:flex;align-items:center;justify-content:space-between;gap:20px;flex:1;min-width:0}
.nav-list{display:flex;align-items:center;gap:26px;list-style:none}
.nav-link{
  position:relative;display:inline-block;padding:8px 2px;
  font-size:14px;color:var(--text-mid);transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand-2);transform:scaleX(0);transition:transform .22s ease;
}
.nav-link:hover{color:var(--text-hi)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text-hi)}
.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line-strong);flex-direction:column;gap:5px;
  align-items:center;justify-content:center;transition:.2s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-hi);transition:.2s ease}
.nav-toggle:hover{border-color:var(--brand);background:rgba(108,75,255,.14)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;border-radius:var(--r-btn);cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-primary{
  height:50px;padding:0 30px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,#FF6B35,#FF4D2E);color:#fff;font-size:15.5px;
  box-shadow:0 10px 26px rgba(255,77,46,.26);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 0 0 1px rgba(255,107,53,.45),0 12px 32px rgba(108,75,255,.35)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary[disabled]{filter:saturate(.4);cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);color:var(--text-hi);font-size:15px;
}
.btn-ghost:hover{background:rgba(108,75,255,.16);border-color:var(--brand);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-minor{
  height:36px;padding:0 16px;border-radius:10px;font-size:14px;font-weight:600;
  border:1px solid var(--line-strong);color:var(--text-mid);background:rgba(255,255,255,.02);
}
.btn-minor:hover{border-color:var(--brand);color:var(--text-hi);background:rgba(108,75,255,.14)}
.btn-minor:active{transform:translateY(1px)}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(6,4,12,.62);
  opacity:0;pointer-events:none;transition:opacity .3s ease;backdrop-filter:blur(2px);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;z-index:90;height:100%;width:min(320px,86vw);
  background:var(--bg-elev);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .3s ease;
  padding:22px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line-strong);font-size:18px;line-height:1;color:var(--text-mid)}
.drawer-close:hover{border-color:var(--brand-2);color:var(--text-hi)}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-link{padding:12px 12px;border-radius:12px;font-size:15px;color:var(--text-mid);transition:.2s ease}
.drawer-link:hover,.drawer-link.is-active{background:rgba(108,75,255,.16);color:var(--text-hi)}

/* ============ 文章主体 ============ */
.article-main{padding-top:26px;padding-bottom:10px}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:12.5px;color:var(--text-low)}
.breadcrumb a{color:#A79FD0;transition:color .2s}
.breadcrumb a:hover{color:var(--brand-2)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--brand-2);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{margin:22px 0 26px;max-width:860px}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:8px;
  background:rgba(108,75,255,.18);border:1px solid rgba(108,75,255,.35);
  color:#C9BEFF;font-size:12.5px;letter-spacing:.08em;
}
.article-head h1{
  margin:16px 0 16px;font-size:clamp(24px,3vw,34px);line-height:1.34;font-weight:800;
  letter-spacing:-.015em;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px 20px;font-size:14px;color:var(--text-low)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong)}
.article-actions{display:flex;align-items:center;gap:10px;margin-top:18px;flex-wrap:wrap}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;align-items:start}

/* 纸面正文 */
.paper{
  background:var(--paper);color:var(--paper-text);border-radius:var(--r-card);
  padding:56px 64px;box-shadow:var(--shadow-2);
  font-size:17px;line-height:1.95;overflow-wrap:break-word;
}
.paper>*:first-child{margin-top:0}
.paper p{margin:0 0 1.4em}
.paper h2{
  font-size:clamp(22px,2.4vw,26px);line-height:1.42;font-weight:800;
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--brand-2);
  scroll-margin-top:110px;
}
.paper h3{font-size:19px;margin:28px 0 12px;font-weight:700;color:#221D3C}
.paper h4{font-size:17px;margin:22px 0 10px;color:#2B2547}
.paper ul,.paper ol{margin:0 0 1.4em;padding-left:1.35em}
.paper li{margin-bottom:8px}
.paper li::marker{color:var(--brand-2)}
.paper blockquote{
  margin:24px 0;padding:16px 22px;background:#EDE8FF;
  border-left:4px solid var(--brand);border-radius:0 12px 12px 0;color:#3A3358;
}
.paper blockquote p:last-child{margin-bottom:0}
.paper img{border-radius:var(--r-img);margin:26px auto;height:auto}
.paper figure{margin:26px 0}
.paper figcaption{font-size:13px;color:var(--paper-muted);text-align:center;margin-top:10px}
.paper a{color:#5B3DF5;text-decoration:underline;text-underline-offset:3px;transition:color .2s}
.paper a:hover{color:var(--brand-2)}
.paper code{
  background:#EDE8FF;padding:2px 6px;border-radius:6px;
  font-family:'Inter',ui-monospace,monospace;font-size:14.5px;color:#3A2E86;
}
.paper pre{
  background:#1A1730;color:#E9E5FF;padding:20px 22px;border-radius:var(--r-img);
  overflow-x:auto;margin:24px 0;font-size:14.5px;line-height:1.7;
}
.paper pre code{background:none;color:inherit;padding:0}
.paper table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15.5px;
  display:block;overflow-x:auto;border:1px solid #E1DAFB;border-radius:var(--r-img);
}
.paper thead th{background:#EEE9FF;font-weight:700;color:#2B2547}
.paper th,.paper td{padding:12px 16px;border-bottom:1px solid #E7E1FB;text-align:left;white-space:nowrap}
.paper tbody tr:nth-child(even){background:#F1EEFF}
.paper hr{border:0;border-top:1px solid #E1DAFB;margin:32px 0}

.empty-state{text-align:center;padding:28px 0 12px;color:var(--paper-muted)}
.empty-state .empty-title{font-size:22px;font-weight:800;color:var(--paper-text);margin-bottom:10px}
.empty-state p{margin-bottom:22px;font-size:15.5px}

/* 正文下方 */
.article-foot{margin-top:26px;display:flex;flex-direction:column;gap:22px}
.tag-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px}
.tag-row .tag-label{font-size:13.5px;color:var(--text-low);letter-spacing:.06em}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--bg-card);border:1px solid var(--line);font-size:13.5px;color:var(--text-mid);
  transition:.2s ease;
}
.tag:hover{border-color:var(--brand);color:var(--text-hi);background:rgba(108,75,255,.16)}
.foot-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(108,75,255,.42),rgba(255,107,53,.26) 68%,rgba(42,224,176,.18));
  padding:30px 34px;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;top:-60%;right:-10%;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,53,.35),transparent 66%);pointer-events:none;
}
.cta-band-text{position:relative;max-width:560px}
.cta-band-text h3{font-size:21px;margin-bottom:8px}
.cta-band-text p{font-size:14.8px;color:rgba(245,243,255,.82);margin:0}
.cta-band .btn{position:relative}

/* 侧栏 */
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.aside-card{background:var(--bg-card);border:1px solid var(--line);border-radius:16px;padding:20px}
.aside-title{
  font-size:13px;letter-spacing:.1em;color:var(--text-low);font-weight:700;
  margin-bottom:14px;text-transform:uppercase;
}
.toc-list{list-style:none;display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;padding:8px 10px;border-radius:10px;font-size:14px;color:var(--text-mid);
  border-left:2px solid transparent;transition:.2s ease;
}
.toc-list a:hover{background:rgba(108,75,255,.14);color:var(--text-hi);border-left-color:var(--brand-2)}
.aside-post{
  display:grid;grid-template-columns:72px 1fr;gap:12px;align-items:center;
  padding:9px;border-radius:14px;transition:.2s ease;
}
.aside-post+.aside-post{margin-top:6px}
.aside-post:hover{background:rgba(108,75,255,.14)}
.aside-post img{width:72px;height:48px;object-fit:cover;border-radius:10px;background:#241F3D}
.aside-post-title{font-size:14.5px;font-weight:700;color:var(--text-hi);line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.aside-post-meta{font-size:12.5px;color:var(--text-low);margin-top:4px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-y) 0 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-title{font-size:clamp(22px,2.6vw,32px);margin-bottom:12px}
.section-desc{color:var(--text-mid);font-size:15.5px;line-height:1.85;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.12em;
  color:var(--accent);margin-bottom:14px;font-weight:700;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--accent)}

/* 图文交错 */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.split-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;background:#241F3D}
.media-badge{
  position:absolute;left:16px;bottom:16px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:13px;
  background:rgba(13,11,20,.78);border:1px solid var(--line-strong);color:var(--text-hi);
  backdrop-filter:blur(8px);
}
.steps{list-style:none;display:flex;flex-direction:column;gap:16px;margin-top:26px}
.step{display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start}
.step-index{
  display:grid;place-items:center;height:40px;border-radius:12px;
  background:rgba(108,75,255,.16);border:1px solid rgba(108,75,255,.32);
  color:#C9BEFF;font-size:14px;font-weight:700;
}
.step h3{font-size:17px;margin-bottom:6px}
.step p{color:var(--text-mid);font-size:14.8px;line-height:1.8;margin:0}

/* 配置清单 */
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.spec-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;
  transition:.25s ease;
}
.spec-card:hover{border-color:rgba(108,75,255,.45);box-shadow:var(--shadow-1)}
.spec-card.is-hi{border-color:rgba(255,107,53,.32);background:linear-gradient(160deg,rgba(255,107,53,.1),rgba(27,23,48,1) 52%)}
.spec-card h3{font-size:18px;margin-bottom:6px}
.spec-card .spec-note{font-size:13.5px;color:var(--text-low);margin-bottom:18px}
.spec-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px dashed var(--line-strong);font-size:14.5px;
}
.spec-row:last-child{border-bottom:0;padding-bottom:0}
.spec-row .k{color:var(--text-low)}
.spec-row .v{color:var(--text-hi);font-weight:700}

/* FAQ */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#171426;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.faq-item:hover{border-color:rgba(108,75,255,.55)}
.faq-item.is-open{border-color:rgba(255,107,53,.45);box-shadow:inset 3px 0 0 var(--brand-2);background:#1A1630}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:700;color:var(--text-hi);
}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--text-mid);font-size:15px;
  transition:transform .25s ease,color .25s ease,border-color .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--brand-2);border-color:rgba(255,107,53,.5)}
.faq-a{display:none;padding:0 20px 20px;color:var(--text-mid);font-size:15px;line-height:1.85}
.faq-a p{margin:0}
.faq-item.is-open .faq-a{display:block}

/* 空态 */
.skeleton-line{height:12px;border-radius:6px;background:linear-gradient(90deg,rgba(255,255,255,.06),rgba(255,255,255,.14),rgba(255,255,255,.06));background-size:200% 100%;animation:shimmer 1.4s infinite}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.notice{
  display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:14px;
  border:1px solid rgba(255,197,61,.4);background:rgba(255,197,61,.08);
  color:#FFE0A3;font-size:14.5px;max-width:860px;margin:24px auto 0;
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;background:#0A0912;border-top:1px solid rgba(108,75,255,.28);
  padding:56px 0 24px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(108,75,255,.7),rgba(255,107,53,.7),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:30px;height:30px;font-size:15px}
.footer-brand .brand-text{font-size:16px;font-weight:800}
.footer-col p{color:var(--text-low);font-size:14.5px;line-height:1.85;max-width:320px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text-hi)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14.5px;color:var(--text-mid);transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:var(--brand-2);transform:translateX(2px)}
.footer-bottom{
  margin-top:42px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  color:var(--text-low);font-size:13.5px;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:26px}
  .paper{padding:44px 40px}
}
@media (max-width:991px){
  :root{--sec-y:64px}
  .article-layout{grid-template-columns:1fr}
  .article-aside{position:static;top:auto}
  .split{grid-template-columns:1fr;gap:28px}
  .spec-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:920px){
  .nav-toggle{display:flex}
  .navbar .nav-list{display:none}
  .nav-cta{display:none}
  .header-inner{justify-content:space-between;gap:16px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .paper{padding:28px 22px;font-size:16.5px;line-height:1.9}
  .article-head h1{font-size:clamp(23px,6vw,28px)}
  .cta-band{padding:24px 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-col p{max-width:none}
  .article-meta{gap:6px 14px;font-size:13.5px}
}
@media (max-width:520px){
  .brand-text{font-size:15px}
  .site-header.is-compact .brand-text{font-size:14px}
  .btn-primary{height:46px;padding:0 24px;font-size:15px}
  .btn-ghost{height:42px;padding:0 18px;font-size:14.5px}
  .step{grid-template-columns:44px 1fr;gap:12px}
  .aside-post{grid-template-columns:64px 1fr}
  .aside-post img{width:64px;height:44px}
  .footer-bottom{font-size:12.5px}
}

/* roulang page: category1 */
:root{
  --bg-base:#0D0B14;
  --bg-elev:#141122;
  --bg-card:#1B1730;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#6C4BFF;
  --brand-2:#FF6B35;
  --accent:#2AE0B0;
  --warn:#FFC53D;
  --text-hi:#F5F3FF;
  --text-mid:#B9B3D0;
  --text-low:#7E7896;
  --paper:#F6F4FF;
  --paper-text:#1A1730;
  --paper-muted:#56506E;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --s1:0 2px 8px rgba(0,0,0,.35);
  --s2:0 18px 48px rgba(0,0,0,.55);
  --container:1200px;
  --sec:88px;
  --font-cn:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono:'Inter',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-hi);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.28}
p{margin:0}
input,select,textarea{font:inherit;color:inherit}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
::selection{background:rgba(255,107,53,.35);color:#fff}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media(min-width:1440px){:root{--container:1320px}}
.section{padding:var(--sec) 0;position:relative}
.section-head{margin-bottom:32px;max-width:760px}
.section-head h2{font-size:clamp(22px,2.6vw,32px)}
.section-head p{margin-top:12px;color:var(--text-mid);font-size:15.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.08em;font-weight:700;
  color:var(--brand-2);text-transform:uppercase;
  background:rgba(255,107,53,.1);border:1px solid rgba(255,107,53,.28);
  padding:5px 12px;border-radius:999px;margin-bottom:16px;
}
.divider-line{height:1px;background:linear-gradient(90deg,rgba(108,75,255,0),rgba(108,75,255,.55),rgba(255,107,53,.35),rgba(255,107,53,0))}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:700;font-size:15px;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
  white-space:nowrap;cursor:pointer;border:1px solid transparent;
}
.btn-primary{
  background:linear-gradient(180deg,#FF6B35,#FF4D2E);color:#fff;
  height:50px;padding:0 30px;border-radius:999px;
  box-shadow:0 10px 26px rgba(255,77,46,.26);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 0 0 1px rgba(255,107,53,.45),0 12px 32px rgba(108,75,255,.35)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary[disabled],.btn[aria-disabled="true"]{filter:saturate(.55);opacity:.65;cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{
  background:transparent;border:1px solid rgba(255,255,255,.18);color:var(--text-hi);
  height:46px;padding:0 24px;border-radius:999px;
}
.btn-ghost:hover{background:rgba(108,75,255,.16);border-color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-minor{
  height:36px;font-size:14px;padding:0 16px;border-radius:10px;
  border:1px solid var(--line-strong);color:var(--text-mid);
}
.btn-minor:hover{color:var(--text-hi);border-color:var(--brand);background:rgba(108,75,255,.14)}
.btn-cta-l{height:58px;font-size:16.5px;padding:0 40px;box-shadow:0 16px 40px rgba(255,77,46,.34)}
.btn-arrow{transition:transform .2s ease}
.btn:hover .btn-arrow{transform:translateX(4px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
  padding:4px 10px;border-radius:8px;line-height:1.5;
}
.badge-brand{background:rgba(108,75,255,.22);color:#C3B6FF;border:1px solid rgba(108,75,255,.4)}
.badge-hot{background:rgba(255,107,53,.16);color:#FFB08C;border:1px solid rgba(255,107,53,.36)}
.badge-ok{background:rgba(42,224,176,.14);color:#7FF0D3;border:1px solid rgba(42,224,176,.32)}
.badge-ghost{background:rgba(255,255,255,.05);color:var(--text-mid);border:1px solid var(--line)}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(13,11,20,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar{
  height:56px;display:flex;align-items:center;
  border-bottom:1px solid var(--line);
  transition:height .28s ease,opacity .22s ease,border-color .28s ease;
  overflow:hidden;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex-shrink:0;
  display:grid;place-items:center;font-weight:800;font-size:16px;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 6px 18px rgba(108,75,255,.4);
}
.brand-text{font-weight:800;font-size:16.5px;letter-spacing:-.01em;white-space:nowrap}
.topbar-tools{display:flex;align-items:center;gap:16px;min-width:0}
.search-wrap{
  display:flex;align-items:center;gap:6px;
  height:34px;width:38px;padding:0 6px;overflow:hidden;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:999px;transition:width .28s ease,border-color .2s ease,background .2s ease;
}
.search-wrap:hover{border-color:var(--line-strong)}
.search-wrap.is-open{width:250px;border-color:rgba(108,75,255,.5);background:rgba(108,75,255,.08)}
.search-toggle{width:24px;height:24px;display:grid;place-items:center;flex-shrink:0;color:var(--text-mid)}
.search-toggle:hover{color:var(--text-hi)}
.search-input{
  background:none;border:0;outline:none;width:100%;min-width:0;
  font-size:13.5px;color:var(--text-hi);
}
.search-input::placeholder{color:var(--text-low)}
.hot-tags{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.hot-tags::-webkit-scrollbar{display:none}
.hot-tag{
  font-size:12.5px;color:var(--text-mid);white-space:nowrap;
  padding:5px 12px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);transition:.2s;
}
.hot-tag:hover{color:var(--text-hi);border-color:rgba(255,107,53,.45);background:rgba(255,107,53,.1)}
.navbar-wrap{height:44px}
.navbar-inner{display:flex;align-items:center;height:100%}
.navbar{display:flex;align-items:center;justify-content:space-between;flex:1;min-width:0}
.nav-list{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none;height:100%}
.nav-list::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;
  font-size:14px;color:var(--text-mid);white-space:nowrap;transition:color .2s ease;
}
.nav-link::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand-2);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--text-hi)}
.nav-link:hover::after{transform:scaleX(1);background:rgba(108,75,255,.8)}
.nav-link.is-active{color:var(--text-hi);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1);background:var(--brand-2)}
.nav-cta{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-cta .btn-primary{height:32px;padding:0 18px;font-size:13.5px}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.menu-toggle span{display:block;width:17px;height:2px;background:var(--text-hi);border-radius:2px;transition:.24s}
.menu-toggle:hover{border-color:var(--brand);background:rgba(108,75,255,.14)}
.site-header.is-scrolled .topbar{height:0;opacity:0;border-color:transparent}
.site-header.is-scrolled .brand-mark{width:26px;height:26px;font-size:13px}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(6,5,12,.7);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(84vw,340px);
  background:var(--bg-elev);border-left:1px solid var(--line);
  z-index:90;transform:translateX(100%);
  transition:transform .34s cubic-bezier(.22,.8,.28,1);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;color:var(--text-mid)}
.drawer-close:hover{color:var(--text-hi);border-color:var(--brand)}
.drawer-title{font-size:12.5px;letter-spacing:.08em;color:var(--text-low);font-weight:700;margin:18px 0 10px}
.drawer-nav a{
  display:block;padding:12px 14px;border-radius:12px;font-size:15px;
  color:var(--text-mid);border:1px solid transparent;transition:.2s;
}
.drawer-nav a:hover{color:var(--text-hi);background:rgba(108,75,255,.14);border-color:rgba(108,75,255,.3)}
.drawer-nav a.is-active{color:var(--text-hi);background:rgba(255,107,53,.12);border-color:rgba(255,107,53,.4);font-weight:700}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:12px;
}
.drawer-search input{background:none;border:0;outline:none;width:100%;font-size:14px}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px}
.drawer-cta{margin-top:auto;padding-top:24px}

/* ============ Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  padding:42px 0 44px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  min-height:240px;display:flex;align-items:center;
}
.cat-hero::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(720px 320px at 80% 8%,rgba(255,107,53,.26),transparent 68%),
    radial-gradient(600px 300px at 8% 90%,rgba(108,75,255,.3),transparent 70%),
    linear-gradient(180deg,rgba(13,11,20,.86),rgba(13,11,20,.95));
}
.cat-hero .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--text-low);margin-bottom:16px}
.crumb a{color:#A79EE0;transition:color .2s}
.crumb a:hover{color:var(--brand-2)}
.crumb .sep{opacity:.5}
.crumb .current{color:var(--brand-2);font-weight:700}
.cat-hero h1{font-size:clamp(26px,3.6vw,40px);max-width:820px}
.cat-hero h1 em{font-style:normal;color:var(--brand-2)}
.cat-hero .hero-sub{margin-top:14px;color:var(--text-mid);font-size:16px;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.stat-chip{
  display:flex;flex-direction:column;gap:2px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:12px;padding:10px 16px;min-width:130px;
}
.stat-chip b{font-family:var(--font-mono);font-size:16px;font-weight:700;color:var(--text-hi)}
.stat-chip span{font-size:12px;color:var(--text-low)}
.stat-chip.is-accent b{color:var(--accent)}
.stat-chip.is-warn b{color:var(--warn)}

/* ============ 介绍段 ============ */
.intro-wrap{max-width:860px}
.intro-wrap p{color:var(--text-mid);font-size:16px;line-height:1.85}
.intro-wrap p + p{margin-top:14px}
.intro-wrap strong{color:var(--text-hi)}

/* ============ 通道布局 ============ */
.cat-layout{display:grid;grid-template-columns:236px minmax(0,1fr);gap:36px;align-items:start}
.side-nav{position:sticky;top:120px}
.side-title{font-size:13px;letter-spacing:.08em;color:var(--text-low);font-weight:700;margin-bottom:12px;text-transform:uppercase}
.side-list{display:flex;flex-direction:column;gap:4px}
.side-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:12px;font-size:14.5px;color:var(--text-mid);
  border:1px solid transparent;transition:.2s;
}
.side-link span.count{font-family:var(--font-mono);font-size:12px;color:var(--text-low)}
.side-link:hover{color:var(--text-hi);background:rgba(108,75,255,.12);border-color:rgba(108,75,255,.28)}
.side-link.is-active{
  color:var(--text-hi);font-weight:700;
  background:linear-gradient(90deg,rgba(255,107,53,.18),rgba(255,107,53,.04));
  border-color:rgba(255,107,53,.4);
  box-shadow:inset 3px 0 0 var(--brand-2);
}
.side-tip{
  margin-top:22px;padding:16px;border-radius:14px;
  background:var(--bg-card);border:1px solid var(--line);
  font-size:13px;color:var(--text-mid);line-height:1.7;
}
.side-tip b{display:block;color:var(--text-hi);font-size:13.5px;margin-bottom:6px}

.channel-list{display:flex;flex-direction:column;gap:18px}
.channel-card{
  display:grid;grid-template-columns:216px minmax(0,1fr);gap:22px;
  background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:18px;
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.channel-card:hover{transform:translateY(-4px);border-color:rgba(255,107,53,.3);box-shadow:var(--s2)}
.channel-thumb{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  aspect-ratio:16/10;background:rgba(255,255,255,.04);display:block;
}
.channel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.channel-card:hover .channel-thumb img{transform:scale(1.05)}
.channel-thumb::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,11,20,0),rgba(13,11,20,.45));
}
.channel-body{display:flex;flex-direction:column;min-width:0}
.channel-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.channel-body h3{font-size:19px;line-height:1.4}
.channel-body h3 a{transition:color .2s}
.channel-card:hover .channel-body h3 a{color:var(--brand-2)}
.channel-body p{
  margin-top:8px;color:var(--text-mid);font-size:14.5px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.channel-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-low);
}
.channel-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line-strong)}
.channel-more{margin-left:auto;color:var(--brand-2);font-weight:700;font-size:13.5px;display:inline-flex;align-items:center;gap:6px}
.channel-card:hover .channel-more .btn-arrow{transform:translateX(4px)}

/* ============ 分页 ============ */
.pager{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:32px}
.pager-btn,.pager-num{
  min-width:40px;height:40px;padding:0 14px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;color:var(--text-mid);border:1px solid var(--line);
  background:rgba(255,255,255,.03);transition:.2s;
}
.pager-btn:hover,.pager-num:hover{color:var(--text-hi);border-color:var(--brand);background:rgba(108,75,255,.14)}
.pager-num.is-active{color:#fff;background:linear-gradient(180deg,#FF6B35,#FF4D2E);border-color:transparent;font-weight:700}
.pager-num.is-active:hover{color:#fff}

/* ============ 安装流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.flow-step{
  position:relative;padding:24px 20px;border-radius:var(--r-card);
  background:var(--bg-card);border:1px solid var(--line);transition:.24s;
}
.flow-step:hover{transform:translateY(-4px);border-color:rgba(108,75,255,.4);box-shadow:var(--s1)}
.flow-step .num{
  font-family:var(--font-mono);font-size:13px;font-weight:700;
  color:var(--brand-2);letter-spacing:.1em;margin-bottom:12px;display:block;
}
.flow-step h3{font-size:17px;margin-bottom:8px}
.flow-step p{color:var(--text-mid);font-size:14px;line-height:1.7}

/* ============ 版本更新 ============ */
.news-list{display:flex;flex-direction:column;gap:0;border-left:1px solid var(--line);padding-left:26px;max-width:900px}
.news-item{position:relative;padding:0 0 28px}
.news-item::before{
  content:'';position:absolute;left:-32px;top:8px;width:11px;height:11px;border-radius:50%;
  background:var(--bg-base);border:2px solid var(--brand-2);
}
.news-item .when{font-family:var(--font-mono);font-size:12.5px;color:var(--text-low)}
.news-item h3{font-size:17px;margin:6px 0 6px}
.news-item p{color:var(--text-mid);font-size:14.5px}

/* ============ 配置清单 ============ */
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.spec-panel{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px}
.spec-panel h3{font-size:18px;display:flex;align-items:center;gap:10px;margin-bottom:18px}
.spec-row{
  display:flex;align-items:baseline;gap:12px;padding:11px 0;
  border-bottom:1px dashed var(--line);font-size:14.5px;
}
.spec-row:last-child{border-bottom:0}
.spec-row .label{color:var(--text-mid);flex-shrink:0}
.spec-row .filler{flex:1;border-bottom:1px dotted rgba(255,255,255,.14);transform:translateY(-4px)}
.spec-row .value{font-family:var(--font-mono);color:var(--text-hi);font-weight:600;text-align:right}
.spec-panel.recommend{border-color:rgba(108,75,255,.4);box-shadow:0 0 0 1px rgba(108,75,255,.18)}

/* ============ 核验图文 ============ */
.verify-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.verify-list{display:flex;flex-direction:column;gap:18px;margin-top:26px}
.verify-item{display:flex;gap:14px;align-items:flex-start}
.verify-item .ico{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;display:grid;place-items:center;
  border:1px solid rgba(42,224,176,.35);background:rgba(42,224,176,.1);color:var(--accent);
}
.verify-item h3{font-size:16px;margin-bottom:4px}
.verify-item p{color:var(--text-mid);font-size:14.5px}
.verify-figure{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--s2)}
.verify-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.verify-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:13px;color:var(--text-mid);
  background:linear-gradient(180deg,rgba(13,11,20,0),rgba(13,11,20,.92));
}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px}
.faq-item{
  background:#171426;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease,background .24s ease;
}
.faq-item + .faq-item{margin-top:12px}
.faq-item:hover{border-color:rgba(108,75,255,.5)}
.faq-item.is-open{border-color:rgba(255,107,53,.45);box-shadow:inset 3px 0 0 var(--brand-2),var(--s1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;text-align:left;font-size:16px;font-weight:700;color:var(--text-hi);
}
.faq-q:hover{color:var(--brand-2)}
.faq-icon{
  width:22px;height:22px;flex-shrink:0;position:relative;transition:transform .28s ease;
}
.faq-icon::before,.faq-icon::after{
  content:'';position:absolute;background:var(--text-mid);border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:10px;height:2px}
.faq-icon::after{top:0;bottom:0;left:10px;width:2px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--brand-2)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 20px 20px;color:var(--text-mid);font-size:14.5px;line-height:1.8}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,rgba(20,17,34,.9),rgba(13,11,20,.98));
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(108,75,255,0),rgba(108,75,255,.7),rgba(255,107,53,.6),rgba(255,107,53,0)) 1;
}
.cta-band::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(620px 300px at 50% 0%,rgba(255,107,53,.24),transparent 70%);
  pointer-events:none;
}
.cta-band .container{position:relative;z-index:1}
.cta-inner{text-align:center;max-width:760px;margin:0 auto}
.cta-inner h2{font-size:clamp(24px,3vw,34px)}
.cta-inner>p{margin-top:14px;color:var(--text-mid);font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:14px;margin-top:28px}
.platform-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:22px}
.platform-pill{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-mid);padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);transition:.2s;
}
.platform-pill:hover{color:var(--text-hi);border-color:rgba(108,75,255,.5);background:rgba(108,75,255,.12)}
.qr-row{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:20px;
  margin-top:34px;padding-top:30px;border-top:1px solid var(--line);
}
.qr-card{
  width:160px;height:160px;border-radius:12px;background:#fff;
  display:grid;place-items:center;flex-shrink:0;padding:10px;
}
.qr-note{text-align:left;max-width:320px}
.qr-note b{display:block;font-size:15px;margin-bottom:6px}
.qr-note p{color:var(--text-mid);font-size:13.5px;line-height:1.7}
.qr-note .mono{color:var(--text-low);font-size:12.5px;display:block;margin-top:8px}

/* ============ 页脚 ============ */
.site-footer{
  background:#0A0912;border-top:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(108,75,255,0),rgba(108,75,255,.6),rgba(255,107,53,.4),rgba(255,107,53,0)) 1;
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:30px;height:30px;font-size:15px}
.footer-brand .brand-text{font-weight:800;font-size:16px}
.footer-col p{color:var(--text-mid);font-size:14px;line-height:1.8}
.footer-col h4{font-size:14.5px;margin-bottom:16px;color:var(--text-hi)}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:var(--text-mid);font-size:14px;transition:color .2s,transform .2s}
.footer-links a:hover{color:var(--brand-2);transform:translateX(3px)}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--text-low);
}
.footer-bottom .mono{color:var(--text-low)}

/* ============ 移动底部下载条 ============ */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:56px;display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;background:rgba(20,17,34,.96);
  backdrop-filter:blur(12px);border-top:1px solid var(--line);
}
.mobile-bar .bar-info{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-mid)}
.mobile-bar .bar-info b{color:var(--text-hi);font-size:14px;display:block}
.mobile-bar .btn-primary{height:38px;padding:0 20px;font-size:14px}

/* ============ 响应式 ============ */
@media(max-width:1200px){
  :root{--sec:72px}
  .cat-layout{grid-template-columns:210px minmax(0,1fr);gap:28px}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .hot-tags{display:none}
}
@media(max-width:992px){
  :root{--sec:64px}
  .cat-layout{grid-template-columns:minmax(0,1fr);gap:24px}
  .side-nav{position:static}
  .side-list{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px;scrollbar-width:none}
  .side-list::-webkit-scrollbar{display:none}
  .side-link{white-space:nowrap;border:1px solid var(--line);background:rgba(255,255,255,.03)}
  .side-link span.count{display:none}
  .side-tip{display:none}
  .verify-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .spec-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  :root{--sec:48px}
  .container{padding:0 20px}
  .nav-list,.nav-cta{display:none}
  .menu-toggle{display:flex}
  .navbar-inner{justify-content:flex-end}
  .navbar{justify-content:flex-end}
  .topbar{height:52px}
  .site-header.is-scrolled .topbar{height:52px;opacity:1;border-color:var(--line)}
  .cat-hero{min-height:0;padding:30px 0 34px}
  .channel-card{grid-template-columns:minmax(0,1fr);gap:14px;padding:14px}
  .channel-thumb{aspect-ratio:16/9}
  .flow-grid{grid-template-columns:minmax(0,1fr)}
  .news-list{padding-left:20px}
  .news-item::before{left:-26px}
  .qr-note{text-align:center}
  .mobile-bar{display:flex}
  body{padding-bottom:56px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media(max-width:520px){
  .cat-hero h1{font-size:26px}
  .hero-actions .btn-primary{height:52px;width:100%}
  .hero-actions .btn-ghost{height:46px;width:100%}
  .cta-actions .btn-primary,.cta-actions .btn-ghost{width:100%}
  .stat-chip{flex:1 1 46%;min-width:0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .channel-body h3{font-size:17px}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --bg-base:#0D0B14;
  --bg-elev:#141122;
  --bg-card:#1B1730;
  --bg-soft:#171426;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#6C4BFF;
  --brand-2:#FF6B35;
  --accent:#2AE0B0;
  --warn:#FFC53D;
  --text-hi:#F5F3FF;
  --text-mid:#B9B3D0;
  --text-low:#7E7896;
  --paper:#F6F4FF;
  --paper-text:#1A1730;
  --paper-muted:#56506E;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --s1:0 2px 8px rgba(0,0,0,.35);
  --s2:0 18px 48px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(255,107,53,.45),0 12px 32px rgba(108,75,255,.35);
  --container:1200px;
  --header-h:100px;
  --font-cn:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --font-mono:'Inter',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
@media (min-width:1440px){
  :root{ --container:1320px; }
}

/* ============ reset / base ============ */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text-hi);
  background:var(--bg-base);
  background-image:
    radial-gradient(900px 480px at 12% -6%, rgba(108,75,255,.20), transparent 62%),
    radial-gradient(760px 420px at 92% 4%, rgba(255,107,53,.10), transparent 60%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; border:0; }
a{ color:inherit; text-decoration:none; }
button,input{ font-family:inherit; font-size:inherit; color:inherit; }
button{ background:none; border:0; cursor:pointer; }
h1,h2,h3,h4{ margin:0; font-weight:800; letter-spacing:-.01em; line-height:1.25; }
p{ margin:0; }
ul,ol{ margin:0; padding:0; list-style:none; }
:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; border-radius:6px; }
.mono{ font-family:var(--font-mono); font-variant-numeric:tabular-nums; letter-spacing:.01em; }
::selection{ background:rgba(108,75,255,.5); color:#fff; }

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (max-width:768px){ .container{ padding:0 20px; } }

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  white-space:nowrap;
  border:1px solid transparent;
  transition:transform .18s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease, filter .22s ease;
}
.btn:active{ transform:translateY(1px); }
.btn-primary{
  background:linear-gradient(135deg,#FF6B35,#FF4D2E);
  color:#fff;
  box-shadow:0 10px 26px rgba(255,77,46,.28);
}
.btn-primary:hover{
  transform:translateY(-2px);
  filter:brightness(1.05);
  box-shadow:var(--glow);
}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.18);
  color:var(--text-hi);
}
.btn-ghost:hover{
  background:rgba(108,75,255,.16);
  border-color:rgba(108,75,255,.72);
  transform:translateY(-2px);
}
.btn-minor{
  height:36px;
  padding:0 16px;
  font-size:14px;
  border-radius:10px;
  background:rgba(255,255,255,.05);
  border-color:var(--line);
  color:var(--text-mid);
  font-weight:600;
}
.btn-minor:hover{
  color:var(--text-hi);
  border-color:rgba(108,75,255,.6);
  background:rgba(108,75,255,.16);
}
.btn[disabled],.btn.is-disabled{
  filter:saturate(.4);
  opacity:.6;
  cursor:not-allowed;
  transform:none;
  box-shadow:none;
}
.btn-lg{ height:54px; padding:0 34px; font-size:16px; border-radius:999px; }
.btn-xl{ height:56px; padding:0 36px; font-size:16.5px; border-radius:999px; }

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 11px;
  border-radius:8px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.08em;
  background:rgba(108,75,255,.18);
  color:#C9BAFF;
  border:1px solid rgba(108,75,255,.32);
}
.badge-orange{ background:rgba(255,107,53,.16); color:#FFB594; border-color:rgba(255,107,53,.34); }
.badge-green{ background:rgba(42,224,176,.14); color:#8DF2D6; border-color:rgba(42,224,176,.3); }
.badge-warn{ background:rgba(255,197,61,.14); color:#FFDD8C; border-color:rgba(255,197,61,.3); letter-spacing:.02em; }
.tag-pill{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 13px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  color:var(--text-mid);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  transition:all .2s ease;
}
.tag-pill:hover{ color:var(--text-hi); border-color:var(--line-strong); background:rgba(255,255,255,.08); }

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(13,11,20,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled{
  background:rgba(13,11,20,.86);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.header-brand-row{
  border-bottom:1px solid var(--line);
  overflow:hidden;
  transition:height .28s ease, opacity .24s ease, border-color .24s ease;
}
.site-header.is-scrolled .header-brand-row{
  height:0!important;
  opacity:0;
  border-color:transparent;
}
.brand-row-inner{
  height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:30px;
  height:30px;
  display:grid;
  place-items:center;
  border-radius:9px;
  font-size:15px;
  font-weight:800;
  color:#fff;
  background:linear-gradient(135deg,var(--brand),#4B2FD6);
  box-shadow:0 6px 18px rgba(108,75,255,.42);
}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text-hi);
  white-space:nowrap;
}
.brand-tools{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
}
.hot-tags{
  display:flex;
  align-items:center;
  gap:8px;
  overflow:hidden;
  min-width:0;
}
.hot-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  color:var(--text-mid);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  transition:all .2s ease;
  white-space:nowrap;
}
.hot-tag::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand-2);
  flex-shrink:0;
}
.hot-tag:hover{ color:var(--text-hi); background:rgba(108,75,255,.16); border-color:rgba(108,75,255,.5); }
.search-wrap{ position:relative; display:flex; align-items:center; }
.search-toggle{
  width:34px;
  height:34px;
  display:grid;
  place-items:center;
  border-radius:10px;
  border:1px solid var(--line);
  color:var(--text-mid);
  background:rgba(255,255,255,.04);
  transition:all .2s ease;
}
.search-toggle:hover{ color:var(--text-hi); border-color:rgba(108,75,255,.6); background:rgba(108,75,255,.16); }
.search-input{
  position:absolute;
  right:40px;
  top:50%;
  transform:translateY(-50%) scaleX(.6);
  transform-origin:right center;
  width:220px;
  height:36px;
  padding:0 14px;
  border-radius:10px;
  border:1px solid var(--line-strong);
  background:var(--bg-elev);
  font-size:14px;
  opacity:0;
  pointer-events:none;
  transition:all .24s ease;
}
.search-wrap.is-open .search-input{
  opacity:1;
  pointer-events:auto;
  transform:translateY(-50%) scaleX(1);
}
.search-input::placeholder{ color:var(--text-low); }
.menu-toggle{
  display:none;
  width:34px;
  height:34px;
  border-radius:10px;
  border:1px solid var(--line);
  color:var(--text-hi);
  background:rgba(255,255,255,.04);
  place-items:center;
}
.header-channel-row{ height:44px; }
.channel-row-inner{
  height:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.navbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex:1;
  min-width:0;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:28px;
  min-width:0;
}
.nav-link{
  position:relative;
  display:inline-block;
  font-size:14px;
  font-weight:600;
  color:var(--text-mid);
  padding:11px 10px;
  border-radius:8px;
  transition:color .2s ease, background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{ color:var(--text-hi); background:rgba(108,75,255,.16); }
.nav-link.is-active{ color:var(--text-hi); }
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:10px;
  right:10px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--brand-2);
}
.nav-cta{ display:flex; align-items:center; gap:12px; }

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  color:var(--text-low);
  flex-wrap:wrap;
}
.crumbs a{ transition:color .2s ease; }
.crumbs a:hover{ color:var(--text-mid); }
.crumbs .sep{ color:rgba(255,255,255,.22); }
.crumbs .current{ color:var(--brand-2); font-weight:600; }

/* ============ 矮 Hero ============ */
.cat2-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(180deg, rgba(13,11,20,.82), rgba(13,11,20,.94)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.cat2-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(560px 240px at 22% 120%, rgba(255,107,53,.20), transparent 68%);
  pointer-events:none;
}
.cat2-hero .container{ position:relative; z-index:2; padding-top:26px; padding-bottom:30px; }
.cat2-hero h1{
  margin-top:16px;
  font-size:clamp(26px,3.6vw,40px);
  max-width:820px;
}
.cat2-hero h1 .hl{
  color:var(--brand-2);
  position:relative;
  white-space:nowrap;
}
.cat2-hero h1 .hl::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-4px;
  height:3px;
  border-radius:3px;
  background:linear-gradient(90deg,rgba(255,107,53,.9),rgba(255,107,53,0));
}
.hero-sub{
  margin-top:14px;
  font-size:15px;
  color:var(--text-mid);
  max-width:760px;
}
.hero-meta{
  margin-top:18px;
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}

/* ============ 横向标签组 ============ */
.tabs-band{
  border-bottom:1px solid var(--line);
  background:rgba(20,17,34,.6);
}
.tabs-scroll{
  display:flex;
  align-items:center;
  gap:6px;
  overflow-x:auto;
  padding:6px 0;
  scrollbar-width:none;
}
.tabs-scroll::-webkit-scrollbar{ display:none; }
.tab-item{
  position:relative;
  flex-shrink:0;
  padding:12px 14px 14px;
  font-size:14px;
  font-weight:600;
  color:var(--text-mid);
  transition:color .2s ease;
  white-space:nowrap;
}
.tab-item::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:6px;
  height:2px;
  border-radius:2px;
  background:transparent;
  transition:background .2s ease;
}
.tab-item:hover{ color:var(--text-hi); }
.tab-item.is-active{ color:var(--text-hi); }
.tab-item.is-active::after{ background:var(--brand-2); }
.tabs-hint{
  margin-left:auto;
  font-size:12.5px;
  color:var(--text-low);
  white-space:nowrap;
  padding-left:16px;
}

/* ============ 板块通用 ============ */
.section{ padding:88px 0 0; }
.section-last{ padding-bottom:88px; }
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.section-head h2{ font-size:clamp(22px,2.6vw,32px); }
.section-head p{
  margin-top:10px;
  color:var(--text-mid);
  font-size:15px;
  max-width:660px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.12em;
  color:#C9BAFF;
  text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}
.divider-grad{
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(108,75,255,.55),rgba(255,107,53,.4),transparent);
  border:0;
  margin:0;
}

/* ============ 网格卡片 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.vcard{
  display:flex;
  flex-direction:column;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--s1);
  transition:transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}
.vcard:hover{
  transform:translateY(-4px);
  border-color:rgba(255,107,53,.32);
  box-shadow:var(--s2);
}
.vcard-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(135deg,#221C3C,#141122);
}
.vcard-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.vcard:hover .vcard-media img{ transform:scale(1.05); }
.vcard-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(13,11,20,0) 40%,rgba(13,11,20,.78) 100%);
}
.vcard-tag{
  position:absolute;
  top:12px;
  left:12px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  color:#DCD2FF;
  background:rgba(20,17,34,.78);
  border:1px solid rgba(108,75,255,.42);
  backdrop-filter:blur(6px);
}
.vcard-body{
  padding:18px 18px 16px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.vcard-title{
  font-size:17px;
  font-weight:700;
  line-height:1.45;
  color:var(--text-hi);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s ease;
}
.vcard:hover .vcard-title{ color:#FFB594; }
.vcard-desc{
  font-size:14px;
  line-height:1.7;
  color:var(--text-mid);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.vcard-foot{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12.5px;
  color:var(--text-low);
}
.vcard-foot .arrow{
  color:var(--brand-2);
  font-weight:700;
  transition:transform .2s ease;
}
.vcard:hover .vcard-foot .arrow{ transform:translateX(3px); }

/* 空态 / 骨架 */
.empty-state{
  grid-column:1/-1;
  display:none;
  flex-direction:column;
  align-items:center;
  gap:14px;
  padding:56px 24px;
  text-align:center;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-card);
  background:rgba(23,20,38,.6);
}
.empty-state.is-visible{ display:flex; }
.empty-illus{
  width:64px;
  height:64px;
  border-radius:20px;
  display:grid;
  place-items:center;
  font-size:22px;
  font-weight:800;
  color:#C9BAFF;
  background:rgba(108,75,255,.16);
  border:1px solid rgba(108,75,255,.34);
}
.empty-state p{ color:var(--text-mid); font-size:14.5px; }
.skeleton{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(90deg,#1B1730 25%,#241E3E 37%,#1B1730 63%);
  background-size:400% 100%;
  animation:shimmer 1.5s ease infinite;
  min-height:220px;
}
@keyframes shimmer{
  0%{ background-position:100% 0; }
  100%{ background-position:0 0; }
}
.load-more-wrap{
  margin-top:36px;
  display:flex;
  justify-content:center;
}

/* ============ 图文交错介绍块 ============ */
.feature-split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.feature-split.reverse .fs-media{ order:2; }
.fs-media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--s2);
  aspect-ratio:16/10;
  background:linear-gradient(135deg,#221C3C,#141122);
}
.fs-media img{ width:100%; height:100%; object-fit:cover; }
.fs-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(13,11,20,.06),rgba(13,11,20,.55));
}
.fs-float{
  position:absolute;
  left:18px;
  bottom:18px;
  z-index:2;
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 16px;
  border-radius:14px;
  background:rgba(20,17,34,.86);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(10px);
}
.fs-float strong{ font-size:20px; color:var(--brand-2); font-family:var(--font-mono); }
.fs-float span{ font-size:12.5px; color:var(--text-mid); }
.fs-body h2{ font-size:clamp(22px,2.6vw,30px); margin-bottom:16px; }
.fs-body p{ color:var(--text-mid); font-size:15.5px; line-height:1.85; }
.fs-list{ margin-top:20px; display:flex; flex-direction:column; gap:12px; }
.fs-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:var(--text-hi);
}
.fs-list li::before{
  content:"";
  flex-shrink:0;
  width:8px;
  height:8px;
  margin-top:9px;
  border-radius:2px;
  background:var(--brand-2);
}

/* ============ 步骤流程 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  counter-reset:step;
}
.step{
  position:relative;
  padding:24px 20px 22px;
  border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(27,23,48,.9),rgba(20,17,34,.9));
  border:1px solid var(--line);
  transition:border-color .24s ease, transform .24s ease;
}
.step:hover{ border-color:rgba(108,75,255,.5); transform:translateY(-3px); }
.step-num{
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--brand-2);
}
.step h3{ margin-top:12px; font-size:17px; }
.step p{ margin-top:10px; font-size:14px; color:var(--text-mid); line-height:1.75; }

/* ============ 数据面板 ============ */
.stat-panel{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
}
.stat-cell{
  background:var(--bg-elev);
  padding:26px 22px;
  transition:background .24s ease;
}
.stat-cell:hover{ background:#181430; }
.stat-cell .num{
  font-family:var(--font-mono);
  font-size:clamp(24px,3vw,32px);
  font-weight:700;
  color:var(--text-hi);
  letter-spacing:-.02em;
}
.stat-cell .num em{
  font-style:normal;
  font-size:15px;
  color:var(--text-mid);
  margin-left:4px;
}
.stat-cell .label{
  margin-top:8px;
  font-size:13.5px;
  color:var(--text-mid);
}
.stat-cell .state{
  margin-top:12px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--accent);
}
.stat-cell .state::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 3px rgba(42,224,176,.16);
}

/* ============ FAQ ============ */
.faq-wrap{ max-width:860px; margin:0 auto; display:flex; flex-direction:column; gap:14px; }
.faq-item{
  border-radius:14px;
  background:#171426;
  border:1px solid var(--line);
  overflow:hidden;
  transition:border-color .24s ease, background .24s ease;
}
.faq-item:hover{ border-color:rgba(108,75,255,.5); }
.faq-item[open]{
  border-color:rgba(255,107,53,.4);
  background:#1A1630;
}
.faq-item summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:18px 54px 18px 22px;
  font-size:16px;
  font-weight:700;
  color:var(--text-hi);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;
  top:14px;
  bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:transparent;
  transition:background .2s ease;
}
.faq-item[open] summary::before{ background:var(--brand-2); }
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  font-size:20px;
  font-weight:400;
  color:var(--text-mid);
  transition:transform .25s ease, color .2s ease;
  line-height:1;
}
.faq-item[open] summary::after{
  transform:translateY(-50%) rotate(45deg);
  color:var(--brand-2);
}
.faq-answer{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-mid);
}
.faq-answer strong{ color:var(--text-hi); }

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  border:1px solid rgba(108,75,255,.32);
  background:
    radial-gradient(620px 260px at 50% 0%, rgba(255,107,53,.22), transparent 70%),
    linear-gradient(135deg,#1E1840,#120F22 70%);
  padding:48px 40px;
  text-align:center;
}
.cta-band::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,107,53,.8),transparent);
}
.cta-band h2{ font-size:clamp(22px,2.8vw,32px); }
.cta-band p{
  margin:14px auto 0;
  max-width:640px;
  color:var(--text-mid);
  font-size:15.5px;
}
.cta-actions{
  margin-top:28px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
}
.cta-note{
  margin-top:20px;
  font-size:13px;
  color:var(--text-low);
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  background:#0A0912;
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(108,75,255,0),rgba(108,75,255,.75),rgba(255,107,53,.55),rgba(108,75,255,0)) 1;
  padding-top:56px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-brand .brand-mark{
  width:28px;
  height:28px;
  border-radius:8px;
  font-size:14px;
}
.footer-brand .brand-text{ font-size:16px; }
.footer-col p{
  font-size:14px;
  color:var(--text-mid);
  line-height:1.8;
  max-width:340px;
}
.footer-col h4{
  font-size:15px;
  margin-bottom:16px;
  color:var(--text-hi);
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-links a{
  font-size:14px;
  color:var(--text-mid);
  transition:color .2s ease, transform .2s ease;
  width:fit-content;
}
.footer-links a:hover{ color:var(--brand-2); transform:translateX(3px); }
.footer-bottom{
  margin-top:44px;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-low);
}

/* ============ 移动端抽屉 / 底部条 ============ */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(6,5,12,.66);
  backdrop-filter:blur(3px);
  opacity:0;
  pointer-events:none;
  transition:opacity .28s ease;
  z-index:200;
}
.drawer-mask.is-open{ opacity:1; pointer-events:auto; }
.drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(320px,86vw);
  background:var(--bg-elev);
  border-left:1px solid var(--line-strong);
  transform:translateX(102%);
  transition:transform .3s cubic-bezier(.32,.72,.28,1);
  z-index:210;
  padding:20px;
  overflow-y:auto;
  display:flex;
  flex-direction:column;
  gap:22px;
}
.drawer.is-open{ transform:translateX(0); }
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.drawer-close{
  width:34px;
  height:34px;
  border-radius:10px;
  border:1px solid var(--line);
  color:var(--text-mid);
  display:grid;
  place-items:center;
  transition:all .2s ease;
}
.drawer-close:hover{ color:var(--text-hi); border-color:rgba(108,75,255,.6); }
.drawer-nav{ display:flex; flex-direction:column; gap:6px; }
.drawer-nav a{
  padding:12px 14px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  color:var(--text-mid);
  border:1px solid transparent;
  transition:all .2s ease;
}
.drawer-nav a:hover{ color:var(--text-hi); background:rgba(108,75,255,.16); border-color:rgba(108,75,255,.36); }
.drawer-nav a.is-active{ color:var(--text-hi); background:rgba(255,107,53,.12); border-color:rgba(255,107,53,.34); }
.drawer-label{ font-size:12px; letter-spacing:.12em; color:var(--text-low); text-transform:uppercase; margin-bottom:10px; }
.drawer-search{
  width:100%;
  height:42px;
  padding:0 14px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:var(--bg-base);
  font-size:14px;
}
.drawer-search::placeholder{ color:var(--text-low); }
.drawer-tags{ display:flex; flex-wrap:wrap; gap:8px; }

.mobile-download-bar{
  display:none;
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:180;
  height:56px;
  padding:0 16px;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  background:rgba(13,11,20,.94);
  backdrop-filter:blur(14px);
  border-top:1px solid var(--line-strong);
}
.mdb-info{ display:flex; align-items:center; gap:10px; min-width:0; }
.mdb-icon{
  width:32px;
  height:32px;
  border-radius:10px;
  display:grid;
  place-items:center;
  font-size:14px;
  font-weight:800;
  color:#fff;
  background:linear-gradient(135deg,var(--brand),#4B2FD6);
  flex-shrink:0;
}
.mdb-info strong{ display:block; font-size:13.5px; line-height:1.3; }
.mdb-info span{ display:block; font-size:11.5px; color:var(--text-low); }
.mobile-download-bar .btn{ height:38px; padding:0 20px; font-size:13.5px; flex-shrink:0; }

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .card-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .steps{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .stat-panel{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .feature-split{ gap:32px; }
  .hot-tags .hot-tag:nth-child(n+4){ display:none; }
}
@media (max-width:991px){
  .section{ padding:64px 0 0; }
  .section-last{ padding-bottom:64px; }
  .site-footer{ margin-top:64px; }
  .feature-split{ grid-template-columns:1fr; }
  .feature-split.reverse .fs-media{ order:0; }
  .footer-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); gap:28px; }
  .nav-list{ gap:16px; }
  .nav-link{ padding:11px 8px; font-size:13.5px; }
}
@media (max-width:768px){
  :root{ --header-h:44px; }
  .header-brand-row{ height:auto!important; opacity:1!important; }
  .site-header.is-scrolled .header-brand-row{
    height:auto!important;
    opacity:1!important;
    border-color:var(--line);
  }
  .brand-row-inner{ height:52px; }
  .brand-text{ font-size:15.5px; }
  .hot-tags{ display:none; }
  .menu-toggle{ display:grid; }
  .search-input{ right:0; width:200px; }
  .nav-list{ gap:4px; overflow-x:auto; scrollbar-width:none; padding-bottom:2px; }
  .nav-list::-webkit-scrollbar{ display:none; }
  .nav-link{ font-size:13px; padding:8px 6px; }
  .nav-link.is-active::after{ left:6px; right:6px; bottom:1px; }
  .nav-cta{ display:none; }
  .channel-row-inner{ gap:12px; }
  .cat2-hero .container{ padding-top:18px; padding-bottom:22px; }
  .cat2-hero h1{ margin-top:12px; font-size:24px; }
  .hero-sub{ font-size:14px; }
  .card-grid{ grid-template-columns:1fr; gap:18px; }
  .steps{ grid-template-columns:1fr; }
  .stat-panel{ grid-template-columns:1fr; }
  .cta-band{ padding:34px 22px; border-radius:20px; }
  .cta-actions{ flex-direction:column; align-items:stretch; }
  .cta-actions .btn{ width:100%; }
  .footer-grid{ grid-template-columns:1fr; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; gap:8px; }
  .mobile-download-bar{ display:flex; }
  body{ padding-bottom:56px; }
  .tabs-hint{ display:none; }
}
@media (max-width:480px){
  .container{ padding:0 16px; }
  .btn-lg,.btn-xl{ width:100%; }
  .vcard-body{ padding:16px 14px 14px; }
  .section{ padding:48px 0 0; }
  .section-last{ padding-bottom:48px; }
  .site-footer{ margin-top:48px; padding-top:40px; }
  .cta-band h2{ font-size:22px; }
}