/* roulang page: index */
:root{
  --rose:#FF5C8A;
  --violet:#7B4DFF;
  --amber:#FFB26B;
  --mint:#35D0BA;
  --night-900:#1B1030;
  --night-700:#3B1F63;
  --night-500:#5A2A6B;
  --bg:#FBF7FE;
  --bg-alt:#F3EDFB;
  --surface:#FFFFFF;
  --line:#EBE3F7;
  --ink:#16112A;
  --ink-2:#4A4166;
  --ink-3:#8C82A6;
  --grad:linear-gradient(120deg,#7B4DFF 0%,#FF5C8A 55%,#FFB26B 100%);
  --night-grad:linear-gradient(160deg,#1B1030 0%,#3B1F63 62%,#5A2A6B 100%);
  --r-lg:28px;
  --r-md:24px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(74,44,120,.08);
  --sh-2:0 18px 44px rgba(74,44,120,.16);
  --sh-night:0 20px 48px rgba(10,6,24,.35);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--violet);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--rose);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;color:var(--ink)}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,92,138,.45);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(251,247,254,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(74,44,120,.08)}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:40px;height:40px;border-radius:14px;flex:none;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:19px;letter-spacing:0;
  box-shadow:0 8px 20px rgba(255,92,138,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand-text small{font-size:11px;color:var(--ink-3);letter-spacing:.02em}
.search-box{flex:1;max-width:320px;position:relative}
.search-box input{
  width:100%;height:40px;border-radius:var(--r-pill);
  border:1px solid transparent;background:#F6F0FF;
  padding:0 16px 0 38px;font-size:14px;color:var(--ink);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.search-box input::placeholder{color:var(--ink-3)}
.search-box input:focus{
  outline:none;background:#fff;
  border-color:rgba(123,77,255,.5);
  box-shadow:0 0 0 3px rgba(123,77,255,.12);
}
.search-box::before{
  content:"";position:absolute;left:14px;top:50%;width:14px;height:14px;
  margin-top:-7px;border:2px solid var(--ink-3);border-radius:50%;
}
.search-box::after{
  content:"";position:absolute;left:25px;top:50%;width:6px;height:2px;
  margin-top:5px;background:var(--ink-3);transform:rotate(45deg);border-radius:2px;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.main-nav a{
  padding:8px 12px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;
  text-decoration:none;transition:background var(--t),color var(--t);
}
.main-nav a:hover{background:#F6F0FF;color:var(--violet);text-decoration:none}
.main-nav a.active{color:var(--violet);background:#F6F0FF;font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:18px;line-height:1;align-items:center;justify-content:center;
  transition:background var(--t),border-color var(--t);
}
.menu-toggle:hover{background:#F6F0FF;border-color:rgba(123,77,255,.35)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;
  text-decoration:none;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t),color var(--t),filter var(--t);
}
.btn:hover{text-decoration:none}
.btn-sm{min-height:36px;padding:0 18px;font-size:13px}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 10px 24px rgba(255,92,138,.26);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);color:#fff;box-shadow:0 12px 28px rgba(255,92,138,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,92,138,.24)}
.btn-secondary{background:#fff;color:var(--violet);border-color:#E3D8F5}
.btn-secondary:hover{background:#F6F0FF;border-color:var(--violet);color:var(--violet);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7)}

/* ---------- badges & tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;color:var(--violet);
  background:rgba(123,77,255,.10);
  border:1px solid rgba(123,77,255,.24);
  white-space:nowrap;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--rose);flex:none}
.badge.amber::before{background:var(--amber)}
.badge.on-night{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.28);color:#fff}
.tag{
  display:inline-block;padding:3px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;color:var(--violet);
  background:rgba(123,77,255,.10);border:1px solid rgba(123,77,255,.2);
  white-space:nowrap;
}
.tag.rose{color:#D93B6A;background:rgba(255,92,138,.10);border-color:rgba(255,92,138,.24)}
.tag.mint{color:#0F9C8A;background:rgba(53,208,186,.12);border-color:rgba(53,208,186,.3)}

/* ---------- layout / sidebar ---------- */
.layout{width:100%;max-width:var(--container);margin:0 auto;padding:28px 24px 0}
main{min-width:0}

.doc-sidebar{display:none}
.sidebar-title{
  font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-3);margin:0 0 12px;
}
.sidebar-nav{display:flex;flex-direction:column;gap:2px}
.sidebar-nav a{
  position:relative;display:block;padding:6px 12px;font-size:13px;line-height:2;
  color:var(--ink-2);border-radius:10px;text-decoration:none;
  border-left:3px solid transparent;transition:all var(--t);
}
.sidebar-nav a:hover{background:#F6F0FF;color:var(--violet);text-decoration:none}
.sidebar-nav a.active{
  color:var(--violet);font-weight:600;background:#F6F0FF;
  border-left-color:var(--rose);
}
.sidebar-card{
  margin-top:22px;padding:16px 18px;border-radius:20px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
}
.sidebar-card h3{font-size:13px;margin-bottom:8px;color:var(--ink)}
.sidebar-card a{
  display:block;font-size:13px;color:var(--ink-2);padding:3px 0;text-decoration:none;
}
.sidebar-card a:hover{color:var(--violet);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}

@media (min-width:1280px){
  .layout{
    display:grid;grid-template-columns:240px minmax(0,1fr);
    gap:44px;align-items:start;padding-top:32px;
  }
  .doc-sidebar{display:block;position:sticky;top:96px}
}
@media (min-width:1024px) and (max-width:1279.98px){
  .doc-sidebar{
    display:block;position:sticky;top:72px;z-index:60;
    background:rgba(251,247,254,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    margin:0 -24px 22px;padding:10px 0;
  }
  .sidebar-title,.sidebar-card{display:none}
  .sidebar-nav{flex-direction:row;gap:8px;overflow-x:auto;padding:0 24px;scrollbar-width:none}
  .sidebar-nav::-webkit-scrollbar{display:none}
  .sidebar-nav a{
    white-space:nowrap;border:1px solid var(--line);border-left-width:1px;
    background:#fff;padding:5px 14px;border-radius:var(--r-pill);font-size:13px;
  }
  .sidebar-nav a.active{border-color:rgba(123,77,255,.5)}
}

/* ---------- sections ---------- */
section{padding:76px 0;scroll-margin-top:96px}
section.tight{padding:56px 0}
.sec-a{background:var(--bg)}
.sec-b{background:var(--bg-alt);border-radius:32px;padding-left:0;padding-right:0}
.sec-b > .sec-inner{padding-left:0;padding-right:0}
.sec-night{
  background:var(--night-grad);color:#fff;
  border-radius:32px;position:relative;overflow:hidden;
}
.sec-night::before,.sec-night::after{
  content:"";position:absolute;border-radius:50%;filter:blur(80px);pointer-events:none;
}
.sec-night::before{width:340px;height:340px;background:rgba(255,92,138,.18);top:-120px;right:-60px}
.sec-night::after{width:300px;height:300px;background:rgba(255,178,107,.16);bottom:-140px;left:-80px}
.sec-night h2,.sec-night h3{color:#fff}
.sec-night p{color:rgba(255,255,255,.78)}

.sec-head{max-width:820px;margin-bottom:38px}
.sec-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--rose);
  letter-spacing:.04em;margin-bottom:12px;
}
.sec-head .kicker::before{
  content:"";width:22px;height:3px;border-radius:3px;background:var(--grad);
}
.sec-head h2{font-size:clamp(23px,2.6vw,34px);margin-bottom:14px}
.sec-head p{font-size:15px;color:var(--ink-2);margin:0}
.sec-night .sec-head p{color:rgba(255,255,255,.78)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  border-radius:32px;
  background:var(--night-grad);
  color:#fff;
  padding:56px 0 60px;
  box-shadow:var(--sh-night);
}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(80px);pointer-events:none}
.hero::before{width:420px;height:420px;background:rgba(255,92,138,.18);top:-160px;right:-100px}
.hero::after{width:340px;height:340px;background:rgba(255,178,107,.15);bottom:-160px;left:-100px}
.hero-inner{position:relative;z-index:2;padding:0 40px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:44px;align-items:start}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:800;
  letter-spacing:-.01em;color:#fff;margin-bottom:18px;
}
.hero h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .lead{font-size:16px;line-height:1.9;color:rgba(255,255,255,.78);margin-bottom:26px;max-width:620px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-points{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:rgba(255,255,255,.75)}
.hero-points span{display:inline-flex;align-items:center;gap:8px}
.hero-points span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--amber);flex:none}
.hero-media{position:relative}
.hero-media .media-frame{
  border-radius:26px;overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  box-shadow:var(--sh-night);
  background:#2A1642;
  aspect-ratio:16/10;
}
.hero-media .media-frame img{width:100%;height:100%;object-fit:cover;opacity:.94}
.hero-float{
  position:relative;margin-top:-56px;margin-left:12px;margin-right:12px;
  background:rgba(255,255,255,.96);
  border-radius:20px;padding:18px 20px;
  box-shadow:0 18px 40px rgba(10,6,24,.35);
  color:var(--ink);
}
.hero-float h3{font-size:13px;color:var(--ink-3);font-weight:600;margin-bottom:10px;letter-spacing:.04em}
.cloud{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:16px}
.cloud span{
  font-size:12.5px;padding:4px 11px;border-radius:var(--r-pill);
  background:#F6F0FF;color:var(--violet);border:1px solid rgba(123,77,255,.18);
}
.countdown-row{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:14px;
}
.countdown-row .cd-label{font-size:12.5px;color:var(--ink-3);flex:1 1 120px}
.countdown{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.cd-num{
  min-width:34px;text-align:center;padding:3px 6px;border-radius:9px;
  background:var(--night-grad);color:#fff;font-size:14px;font-weight:700;
}
.cd-sep{color:var(--ink-3);font-weight:700}
#remindBtn{min-height:36px;padding:0 16px;font-size:13px}

/* ---------- download ---------- */
.dl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:34px;
  display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);gap:32px;align-items:center;
}
.dl-left h2{font-size:clamp(21px,2.2vw,28px);margin-bottom:12px}
.dl-left p{font-size:15px;color:var(--ink-2);margin-bottom:16px}
.plat-tags{display:flex;flex-wrap:wrap;gap:8px}
.plat-tags span{
  font-size:13px;padding:5px 14px;border-radius:var(--r-pill);
  background:var(--bg-alt);color:var(--ink-2);border:1px solid var(--line);
}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.dl-item{
  border:1px solid var(--line);border-radius:20px;padding:20px 18px;
  background:linear-gradient(180deg,#fff 0%,#FDFAFF 100%);
  display:flex;flex-direction:column;gap:10px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.dl-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,92,138,.45)}
.dl-ico{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:#F6F0FF;color:var(--violet);font-weight:800;font-size:13px;letter-spacing:.02em;
}
.dl-item h3{font-size:15px}
.dl-item p{font-size:13px;color:var(--ink-3);line-height:1.7;margin:0;min-height:44px}
.dl-item .btn{margin-top:2px;width:100%}

/* ---------- value cards ---------- */
.value-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.value-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,92,138,.45)}
.value-card.tall{grid-row:span 2;background:var(--night-grad);color:#fff;border-color:transparent}
.value-card.tall h3{color:#fff}
.value-card.tall p{color:rgba(255,255,255,.78)}
.value-ico{
  width:46px;height:46px;border-radius:14px;margin-bottom:16px;
  background:rgba(123,77,255,.1);display:flex;align-items:center;justify-content:center;
  font-size:18px;color:var(--violet);font-weight:700;
}
.value-card.tall .value-ico{background:rgba(255,255,255,.14);color:#fff}
.value-card h3{font-size:17px;margin-bottom:8px}
.value-card p{font-size:14px;color:var(--ink-2);margin:0}

/* ---------- feature tabs ---------- */
.tabs-wrap{display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px;align-items:start}
.tab-list{display:flex;flex-direction:column;gap:8px}
.tab-btn{
  text-align:left;padding:14px 18px;border-radius:16px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:14px;font-weight:600;transition:all var(--t);
}
.tab-btn:hover{border-color:rgba(123,77,255,.4);color:var(--violet)}
.tab-btn.active{
  background:var(--night-grad);color:#fff;border-color:transparent;
  box-shadow:0 12px 28px rgba(59,31,99,.28);
}
.tab-panel{display:none}
.tab-panel.active{display:block;animation:fadeIn .24s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.feature-list{display:flex;flex-direction:column;gap:14px}
.feature-item{
  display:flex;align-items:center;gap:16px;padding:18px 20px;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.feature-item:hover{transform:translateX(4px);box-shadow:var(--sh-1);border-color:rgba(255,92,138,.4)}
.feature-ico{
  width:44px;height:44px;flex:none;border-radius:14px;background:#F6F0FF;
  display:flex;align-items:center;justify-content:center;color:var(--violet);font-weight:700;font-size:15px;
}
.feature-item h3{font-size:15px;margin-bottom:2px}
.feature-item p{font-size:13.5px;color:var(--ink-3);margin:0;line-height:1.7}
.feature-arrow{color:var(--ink-3);font-size:16px;margin-left:auto;flex:none}

/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,92,138,.45)}
.scene-media{position:relative;aspect-ratio:16/9;background:#F3EDFB;overflow:hidden}
.scene-media img{width:100%;height:100%;object-fit:cover}
.scene-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(27,16,48,0) 45%,rgba(27,16,48,.6) 100%);
}
.scene-media .scene-label{
  position:absolute;left:14px;bottom:12px;z-index:2;
  font-size:12.5px;color:#fff;padding:3px 11px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);
  backdrop-filter:blur(6px);
}
.scene-body{padding:20px 22px 24px}
.scene-body h3{font-size:17px;margin-bottom:8px}
.scene-body p{font-size:14px;color:var(--ink-2);margin:0}

/* ---------- demo ---------- */
.demo-wrap{padding:0 40px;position:relative;z-index:2}
.demo-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.demo-tab{
  padding:8px 18px;border-radius:var(--r-pill);font-size:13.5px;font-weight:600;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28);color:#fff;
  transition:all var(--t);
}
.demo-tab:hover{background:rgba(255,255,255,.18)}
.demo-tab.active{background:#fff;color:var(--night-900);border-color:#fff}
.demo-panels{position:relative}
.demo-panel{display:none}
.demo-panel.active{display:block;animation:fadeIn .24s ease}
.demo-stage{
  display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:20px;align-items:end;
}
.device{
  border-radius:20px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);padding:12px;
  box-shadow:0 20px 48px rgba(10,6,24,.35);
}
.device.pc{border-radius:24px}
.device .screen{
  border-radius:14px;overflow:hidden;background:#2A1642;aspect-ratio:16/10;
}
.device.phone .screen{aspect-ratio:9/16;border-radius:18px}
.device .screen img{width:100%;height:100%;object-fit:cover}
.demo-note{margin-top:24px;display:flex;flex-wrap:wrap;align-items:center;gap:18px}
.demo-note p{font-size:14px;color:rgba(255,255,255,.72);margin:0;flex:1 1 320px}

/* ---------- cases ---------- */
.case-list{display:flex;flex-direction:column;gap:20px}
.case-item{
  display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.case-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,92,138,.4)}
.case-media{border-radius:16px;overflow:hidden;aspect-ratio:4/3;background:#F3EDFB}
.case-media img{width:100%;height:100%;object-fit:cover}
.case-body h3{font-size:18px;margin-bottom:8px}
.case-body .meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.case-body ul{display:flex;flex-direction:column;gap:6px}
.case-body li{
  position:relative;padding-left:18px;font-size:14px;color:var(--ink-2);line-height:1.75;
}
.case-body li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--grad);
}

/* ---------- safety ---------- */
.safety-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:34px;
}
.safety-card h2{font-size:clamp(21px,2.2vw,28px);margin-bottom:12px}
.safety-card p{font-size:15px;color:var(--ink-2)}
.safety-list{display:flex;flex-direction:column;gap:16px}
.safety-list li{display:flex;gap:14px;align-items:flex-start}
.safety-num{
  width:30px;height:30px;flex:none;border-radius:50%;
  background:var(--grad);color:#fff;font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.safety-list strong{display:block;font-size:15px;color:var(--ink);margin-bottom:2px}
.safety-list span{font-size:13.5px;color:var(--ink-3);line-height:1.7;display:block}

/* ---------- plans ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:start}
.plan-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px 24px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
  display:flex;flex-direction:column;gap:16px;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.plan-card.featured{
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  border:2px solid transparent;
  transform:translateY(-8px);
  box-shadow:0 24px 52px rgba(123,77,255,.18);
}
.plan-card.featured:hover{transform:translateY(-12px)}
.plan-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.plan-card h3{font-size:18px}
.plan-card .plan-desc{font-size:13.5px;color:var(--ink-3);margin:0}
.plan-card ul{display:flex;flex-direction:column;gap:10px;flex:1}
.plan-card li{
  position:relative;padding-left:22px;font-size:14px;color:var(--ink-2);line-height:1.7;
}
.plan-card li::before{
  content:"";position:absolute;left:0;top:.62em;width:10px;height:10px;border-radius:3px;
  background:rgba(123,77,255,.16);
  box-shadow:inset 0 0 0 2px var(--violet);
}
.plan-price{
  font-size:13.5px;color:var(--ink-3);padding:12px 14px;border-radius:14px;
  background:var(--bg-alt);border:1px dashed var(--line);line-height:1.7;
}
.plan-note{font-size:12.5px;color:var(--ink-3);margin-top:18px;text-align:center}

/* ---------- tag wall ---------- */
.wall-grid{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:36px;align-items:start}
.wall-cloud{display:flex;flex-wrap:wrap;gap:10px}
.wall-cloud span{
  padding:7px 16px;border-radius:var(--r-pill);font-size:13.5px;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  transition:all var(--t);
}
.wall-cloud span:hover{border-color:rgba(255,92,138,.45);color:var(--violet);transform:translateY(-2px)}
.wall-cloud span.big{font-size:15px;font-weight:600;padding:9px 20px;color:var(--violet);background:#F6F0FF;border-color:rgba(123,77,255,.22)}

/* ---------- flow ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.flow-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 22px;box-shadow:var(--sh-1);position:relative;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,92,138,.45)}
.flow-step{
  font-size:34px;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.flow-card h3{font-size:16px;margin-bottom:8px}
.flow-card p{font-size:13.5px;color:var(--ink-2);margin:0}

/* ---------- channels ---------- */
.channel-card{
  display:flex;align-items:center;gap:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 28px;box-shadow:var(--sh-1);position:relative;
  border-left:4px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  transition:transform var(--t),box-shadow var(--t);
  text-decoration:none;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);text-decoration:none}
.channel-card .ch-ico{
  width:52px;height:52px;flex:none;border-radius:16px;background:var(--night-grad);
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;
}
.channel-card h3{font-size:18px;margin-bottom:6px;color:var(--ink)}
.channel-card p{font-size:14px;color:var(--ink-2);margin:0}
.channel-card .ch-go{margin-left:auto;font-size:14px;font-weight:600;color:var(--violet);white-space:nowrap}

/* ---------- news ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.news-head .more{font-size:14px;font-weight:600;color:var(--violet);text-decoration:none}
.news-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1.35fr);gap:26px;align-items:start}
.news-lead{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-lead:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,92,138,.45)}
.news-lead-media{display:block;aspect-ratio:16/9;background:var(--bg-alt);overflow:hidden}
.news-lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-lead:hover .news-lead-media img{transform:scale(1.04)}
.news-lead-body{padding:22px 24px 26px}
.news-lead-body .tag{margin-bottom:12px}
.news-lead-body h3{font-size:19px;margin-bottom:10px}
.news-lead-body h3 a{color:var(--ink);text-decoration:none}
.news-lead-body h3 a:hover{color:var(--violet);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.news-lead-body p{font-size:14px;color:var(--ink-2);margin-bottom:14px}
.news-meta{font-size:12.5px;color:var(--ink-3);display:flex;gap:14px;flex-wrap:wrap}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{
  display:block;background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:18px 20px;box-shadow:0 4px 14px rgba(74,44,120,.05);
  text-decoration:none;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-item:hover{transform:translateX(4px);box-shadow:var(--sh-1);border-color:rgba(255,92,138,.4);text-decoration:none}
.news-item h3{
  font-size:15.5px;margin-bottom:6px;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-item p{
  font-size:13px;color:var(--ink-3);margin:0 0 8px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.news-empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-md);
  padding:44px 24px;text-align:center;color:var(--ink-3);font-size:14px;
}
.news-empty a{font-weight:600}

/* ---------- themes ---------- */
.theme-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.theme-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:22px 24px;text-decoration:none;box-shadow:0 4px 14px rgba(74,44,120,.05);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.theme-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,92,138,.45);text-decoration:none}
.theme-card h3{font-size:16px;margin:10px 0 6px;color:var(--ink)}
.theme-card p{font-size:13.5px;color:var(--ink-3);margin:0}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item.open{border-color:rgba(123,77,255,.35);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:none;text-align:left;
  font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.5;
  transition:color var(--t);
}
.faq-q:hover{color:var(--violet)}
.faq-item.open .faq-q{color:var(--violet)}
.faq-icon{
  width:22px;height:22px;flex:none;position:relative;transition:transform .22s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{left:3px;top:10px;width:16px;height:2px}
.faq-icon::after{left:10px;top:3px;width:2px;height:16px}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a p{padding:0 22px 20px;font-size:14.5px;color:var(--ink-2);margin:0}

/* ---------- final cta ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:32px;
  background:var(--night-grad);color:#fff;
  padding:56px 48px;box-shadow:var(--sh-night);
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;
}
.cta-card::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:rgba(255,92,138,.18);filter:blur(80px);top:-160px;right:-120px;
}
.cta-card h2{font-size:clamp(23px,2.6vw,34px);color:#fff;margin-bottom:12px;position:relative}
.cta-card p{color:rgba(255,255,255,.78);margin:0;font-size:15px;position:relative}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative}

/* ---------- footer ---------- */
.site-footer{
  margin-top:64px;background:var(--night-grad);color:#fff;
  border-radius:32px 32px 0 0;padding:56px 0 0;position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;width:380px;height:380px;border-radius:50%;
  background:rgba(255,178,107,.14);filter:blur(80px);bottom:-160px;left:-80px;
}
.footer-inner{max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:2}
.footer-top{
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1.6fr);
  gap:44px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{display:flex;flex-direction:column;gap:16px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text small{color:rgba(255,255,255,.6)}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.7);margin:0;max-width:320px}
.footer-dl{display:flex;flex-wrap:wrap;gap:10px}
.footer-dl a{
  font-size:13px;padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.35);color:#fff;text-decoration:none;
  transition:background var(--t),border-color var(--t);
}
.footer-dl a:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.7);color:#fff;text-decoration:none}
.footer-cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.footer-col h3{font-size:13px;color:rgba(255,255,255,.55);font-weight:600;letter-spacing:.06em;margin-bottom:14px}
.footer-col a{
  display:block;font-size:13.5px;color:rgba(255,255,255,.78);
  padding:4px 0;text-decoration:none;transition:color var(--t);
}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  padding:22px 0 28px;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a{color:rgba(255,255,255,.72);text-decoration:none}
.footer-bottom a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1279.98px){
  .header-inner{padding:0 20px;gap:14px}
  .search-box{max-width:220px}
}
@media (max-width:1023.98px){
  .search-box{display:none}
  .main-nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:12px 18px 18px;box-shadow:0 16px 32px rgba(74,44,120,.12);
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px;font-size:15px}
  .menu-toggle{display:flex}
  .hero-inner{padding:0 24px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:30px}
  .hero-float{margin-top:16px;margin-left:0;margin-right:0}
  .hero-media .media-frame{aspect-ratio:16/9}
  .dl-card{grid-template-columns:minmax(0,1fr);gap:24px;padding:28px}
  .value-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .value-card.tall{grid-row:span 1}
  .tabs-wrap{grid-template-columns:minmax(0,1fr);gap:18px}
  .tab-list{flex-direction:row;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
  .tab-list::-webkit-scrollbar{display:none}
  .tab-btn{white-space:nowrap}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .demo-stage{grid-template-columns:1fr 1fr;align-items:start}
  .demo-stage .device.pc{grid-column:span 2}
  .case-item{grid-template-columns:minmax(0,1fr);gap:16px}
  .case-media{aspect-ratio:16/9}
  .safety-card{grid-template-columns:minmax(0,1fr);gap:24px;padding:28px}
  .plan-grid{grid-template-columns:minmax(0,1fr)}
  .plan-card.featured{transform:none}
  .plan-card.featured:hover{transform:translateY(-4px)}
  .wall-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:minmax(0,1fr)}
  .theme-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-card{grid-template-columns:minmax(0,1fr);padding:40px 28px}
  .footer-top{grid-template-columns:minmax(0,1fr);gap:32px}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .layout{padding:18px 18px 0}
  .header-inner{padding:0 18px;height:60px}
  .container{padding:0 18px}
  .brand-mark{width:34px;height:34px;border-radius:12px;font-size:16px}
  .brand-text strong{font-size:15px}
  .brand-text small{font-size:10px}
  section{padding:52px 0;scroll-margin-top:76px}
  .hero{border-radius:24px;padding:36px 0 40px}
  .hero-inner{padding:0 20px}
  .hero h1{font-size:clamp(26px,7vw,34px)}
  .hero .lead{font-size:15px}
  .hero-cta .btn{width:100%}
  .dl-grid{grid-template-columns:minmax(0,1fr)}
  .dl-item p{min-height:0}
  .value-grid{grid-template-columns:minmax(0,1fr)}
  .scene-grid{grid-template-columns:minmax(0,1fr)}
  .demo-wrap{padding:0 20px}
  .demo-stage{grid-template-columns:minmax(0,1fr)}
  .demo-stage .device.pc{grid-column:span 1}
  .flow-grid{grid-template-columns:minmax(0,1fr)}
  .theme-grid{grid-template-columns:minmax(0,1fr)}
  .footer-cols{grid-template-columns:minmax(0,1fr);gap:22px}
  .cta-card{border-radius:24px;padding:34px 22px}
  .cta-actions .btn{width:100%}
  .site-footer{border-radius:24px 24px 0 0;padding-top:44px}
  .channel-card{flex-direction:column;align-items:flex-start;gap:14px}
  .channel-card .ch-go{margin-left:0}
}
@media (max-width:479.98px){
  .hero h1{font-size:25px}
  .sec-head h2{font-size:21px}
  .dl-card{padding:22px}
  .safety-card{padding:22px}
  .news-lead-body{padding:18px 18px 22px}
}

/* roulang page: category1 */
:root{
  --rose:#FF5C8A;
  --violet:#7B4DFF;
  --amber:#FFB26B;
  --mint:#35D0BA;
  --night-900:#1B1030;
  --night-700:#3B1F63;
  --night-500:#5A2A6B;
  --bg:#FBF7FE;
  --bg-alt:#F3EDFB;
  --surface:#FFFFFF;
  --line:#EBE3F7;
  --ink:#16112A;
  --ink-2:#4A4166;
  --ink-3:#8C82A6;
  --grad:linear-gradient(120deg,#7B4DFF 0%,#FF5C8A 55%,#FFB26B 100%);
  --night-grad:linear-gradient(160deg,#1B1030 0%,#3B1F63 62%,#5A2A6B 100%);
  --r-lg:28px;
  --r-md:24px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(74,44,120,.08);
  --sh-2:0 18px 44px rgba(74,44,120,.16);
  --sh-night:0 20px 48px rgba(10,6,24,.35);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--violet);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--rose);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,92,138,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(251,247,254,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(74,44,120,.08)}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:40px;height:40px;border-radius:14px;flex:none;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:19px;
  box-shadow:0 8px 20px rgba(255,92,138,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand-text small{font-size:11px;color:var(--ink-3);letter-spacing:.02em}
.search-box{flex:1;max-width:320px;position:relative}
.search-box input{
  width:100%;height:40px;border-radius:var(--r-pill);
  border:1px solid transparent;background:#F6F0FF;
  padding:0 16px 0 38px;font-size:14px;color:var(--ink);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.search-box input::placeholder{color:var(--ink-3)}
.search-box input:focus{
  outline:none;background:#fff;
  border-color:rgba(123,77,255,.5);
  box-shadow:0 0 0 3px rgba(123,77,255,.12);
}
.search-box::before{
  content:"";position:absolute;left:14px;top:50%;width:14px;height:14px;
  margin-top:-7px;border:2px solid var(--ink-3);border-radius:50%;
}
.search-box::after{
  content:"";position:absolute;left:25px;top:50%;width:6px;height:2px;
  margin-top:5px;background:var(--ink-3);transform:rotate(45deg);border-radius:2px;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.main-nav a{
  padding:8px 12px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;
  text-decoration:none;transition:background var(--t),color var(--t);
}
.main-nav a:hover{background:#F6F0FF;color:var(--violet);text-decoration:none}
.main-nav a.active{color:var(--violet);background:#F6F0FF;font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:18px;line-height:1;align-items:center;justify-content:center;
  transition:background var(--t),border-color var(--t);
}
.menu-toggle:hover{background:#F6F0FF;border-color:rgba(123,77,255,.35)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;
  text-decoration:none;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t),color var(--t),filter var(--t);
}
.btn:hover{text-decoration:none}
.btn-sm{min-height:36px;padding:0 18px;font-size:13px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,92,138,.26)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);color:#fff;box-shadow:0 12px 28px rgba(255,92,138,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,92,138,.24)}
.btn-secondary{background:#fff;color:var(--violet);border-color:#E3D8F5}
.btn-secondary:hover{background:#F6F0FF;border-color:var(--violet);color:var(--violet);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7)}

/* ---------- badges & tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;color:var(--violet);
  background:rgba(123,77,255,.10);
  border:1px solid rgba(123,77,255,.24);
  white-space:nowrap;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--rose);flex:none}
.badge.amber::before{background:var(--amber)}
.badge.on-night{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.28);color:#fff}
.tag{
  display:inline-block;padding:3px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;color:var(--violet);
  background:rgba(123,77,255,.10);border:1px solid rgba(123,77,255,.2);
  white-space:nowrap;
}
.tag.rose{color:#D93B6A;background:rgba(255,92,138,.10);border-color:rgba(255,92,138,.24)}
.tag.mint{color:#0F9C8A;background:rgba(53,208,186,.12);border-color:rgba(53,208,186,.3)}

/* ---------- layout ---------- */
.layout{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:240px minmax(0,1fr);
  gap:36px;align-items:start;
}
.page-sidebar{position:sticky;top:84px;padding:34px 0 40px}
.sidebar-title{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--ink-3);margin:0 0 12px;text-transform:none}
.sidebar-nav{display:flex;flex-direction:column;gap:2px}
.sidebar-nav a{
  font-size:13px;line-height:2.1;color:var(--ink-2);
  padding:3px 12px;border-left:3px solid transparent;border-radius:0 10px 10px 0;
  text-decoration:none;transition:background var(--t),color var(--t),border-color var(--t);
}
.sidebar-nav a:hover{background:#F6F0FF;color:var(--violet);text-decoration:none}
.sidebar-nav a.active{background:#F6F0FF;color:var(--violet);border-left-color:var(--rose);font-weight:600}
.sidebar-card{
  margin-top:22px;padding:16px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
}
.sidebar-card h3{font-size:13px;font-weight:700;margin-bottom:8px}
.sidebar-card a{display:block;font-size:13px;line-height:2;color:var(--ink-2);text-decoration:none}
.sidebar-card a:hover{color:var(--violet);text-decoration:underline}
main{min-width:0;padding:26px 0 8px}

/* ---------- category hero ---------- */
.cat-hero{padding:6px 0 30px}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:18px;align-items:center}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb span.sep{color:#C9BEDF}
.cat-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:center}
.cat-hero h1{
  font-size:clamp(28px,3.4vw,42px);line-height:1.2;font-weight:800;
  letter-spacing:-.015em;margin:14px 0 16px;
}
.cat-hero .lead{font-size:16px;line-height:1.9;color:var(--ink-2);max-width:640px}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cat-hero-media{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);background:var(--bg-alt);
}
.cat-hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}

/* ---------- blocks ---------- */
.block{padding:38px 0;border-top:1px solid var(--line)}
.block:first-of-type{border-top:0}
.block-head{margin-bottom:22px}
.block-head h2{
  font-size:clamp(21px,2.3vw,28px);font-weight:700;line-height:1.3;
  padding-left:14px;position:relative;
}
.block-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--grad);
}
.block-head p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:720px}

/* ---------- filter / direction pills ---------- */
.direction-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:16px 18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-1);
}
.direction-bar .label{font-size:13px;color:var(--ink-3);margin-right:4px}
.pill{
  display:inline-flex;align-items:center;min-height:34px;padding:0 16px;
  border-radius:var(--r-pill);font-size:13px;font-weight:500;
  color:var(--ink-2);background:#F6F0FF;border:1px solid transparent;
  text-decoration:none;transition:all var(--t);
}
.pill:hover{background:#fff;border-color:rgba(123,77,255,.4);color:var(--violet);text-decoration:none;transform:translateY(-1px)}
.pill.is-on{background:rgba(123,77,255,.12);border-color:rgba(123,77,255,.35);color:var(--violet);font-weight:600}

/* ---------- post list ---------- */
.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.post-card{
  display:flex;flex-direction:column;gap:10px;
  padding:24px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--sh-1);text-decoration:none;color:inherit;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.post-card:hover{
  transform:translateY(-4px);box-shadow:var(--sh-2);
  border-color:rgba(255,92,138,.45);text-decoration:none;color:inherit;
}
.post-card h3{
  font-size:18px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card p{
  font-size:14px;line-height:1.8;color:var(--ink-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{font-size:13px;color:var(--ink-3);margin-top:auto;font-variant-numeric:tabular-nums}
.post-card .tag{align-self:flex-start}
.empty-state{
  padding:34px 24px;border-radius:var(--r-md);background:#fff;
  border:1px dashed var(--line);text-align:center;color:var(--ink-3);font-size:14px;
}

/* ---------- slot cards ---------- */
.slot-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.slot-card{
  padding:24px;border-radius:var(--r-md);background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.slot-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,92,138,.45)}
.slot-card .time{font-size:13px;font-weight:700;color:var(--rose);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.slot-card h3{font-size:18px;margin:8px 0 10px}
.slot-card p{font-size:14px;line-height:1.8;color:var(--ink-2);margin:0}

/* ---------- scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.scene-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-md);background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,92,138,.45)}
.scene-card .thumb{position:relative;background:var(--bg-alt)}
.scene-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.scene-body{padding:20px 22px 24px}
.scene-body h3{font-size:18px;margin-bottom:8px}
.scene-body p{font-size:14px;line-height:1.8;color:var(--ink-2);margin:0}
.scene-body .tag{margin-bottom:10px}

/* ---------- steps ---------- */
.step-list{display:flex;flex-direction:column;gap:14px}
.step-item{
  display:flex;gap:18px;align-items:flex-start;
  padding:20px 22px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:border-color var(--t),box-shadow var(--t);
}
.step-item:hover{border-color:rgba(123,77,255,.4);box-shadow:var(--sh-2)}
.step-num{
  flex:none;width:36px;height:36px;border-radius:50%;
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:16px;margin-bottom:4px}
.step-item p{font-size:14px;line-height:1.8;color:var(--ink-2);margin:0}

/* ---------- safety card ---------- */
.safety-card{
  padding:30px;border-radius:var(--r-lg);
  background:var(--bg-alt);border:1px solid var(--line);
}
.safety-card h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;margin-bottom:16px}
.safety-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 28px}
.safety-grid li{
  display:flex;gap:10px;font-size:14px;line-height:1.8;color:var(--ink-2);
}
.safety-grid li::before{
  content:"";flex:none;width:8px;height:8px;margin-top:9px;border-radius:50%;
  background:var(--grad);
}
.safety-foot{margin-top:20px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* ---------- faq ---------- */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 20px;box-shadow:var(--sh-1);
  transition:border-color var(--t),box-shadow var(--t);
}
.faq details[open]{border-color:rgba(123,77,255,.35);box-shadow:var(--sh-2)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:16px;font-weight:600;color:var(--ink);
  transition:color var(--t);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";flex:none;width:10px;height:10px;margin-right:4px;
  border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);
  transform:rotate(45deg);transition:transform 220ms cubic-bezier(.2,.7,.3,1),border-color var(--t);
}
.faq details[open] summary{color:var(--violet)}
.faq details[open] summary::after{transform:rotate(-135deg);border-color:var(--violet)}
.faq .answer{padding:0 0 20px;font-size:15px;line-height:1.9;color:var(--ink-2)}

/* ---------- download cta ---------- */
.dl-band{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;
  padding:30px;border-radius:var(--r-lg);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
}
.dl-band h2{font-size:clamp(19px,2.1vw,24px);margin-bottom:8px}
.dl-band p{font-size:14px;color:var(--ink-2);margin:0}
.dl-actions{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- footer ---------- */
.site-footer{
  position:relative;overflow:hidden;margin-top:56px;
  border-radius:32px 32px 0 0;
  background:var(--night-grad);color:#fff;padding:56px 0 0;
}
.site-footer::before{
  content:"";position:absolute;width:520px;height:520px;right:-140px;top:-220px;
  background:radial-gradient(circle,rgba(255,92,138,.18),transparent 70%);
  filter:blur(60px);pointer-events:none;
}
.site-footer::after{
  content:"";position:absolute;width:420px;height:420px;left:-120px;bottom:-200px;
  background:radial-gradient(circle,rgba(255,178,107,.14),transparent 70%);
  filter:blur(60px);pointer-events:none;
}
.footer-inner{position:relative;z-index:1;max-width:var(--container);margin:0 auto;padding:0 24px}
.footer-top{display:grid;grid-template-columns:300px minmax(0,1fr);gap:40px;padding-bottom:34px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text small{color:rgba(255,255,255,.6)}
.footer-brand p{color:rgba(255,255,255,.72);font-size:14px;margin:16px 0 18px}
.footer-dl{display:flex;flex-wrap:wrap;gap:10px}
.footer-dl a{
  display:inline-flex;align-items:center;min-height:36px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:13px;text-decoration:none;
  transition:background var(--t),border-color var(--t);
}
.footer-dl a:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6);color:#fff;text-decoration:none}
.footer-cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin:0 0 12px}
.footer-col a{
  display:block;font-size:13px;line-height:2.1;color:rgba(255,255,255,.72);text-decoration:none;
  transition:color var(--t);
}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:18px 0 26px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .layout{grid-template-columns:minmax(0,1fr);gap:0}
  .page-sidebar{
    position:sticky;top:72px;z-index:80;
    background:rgba(251,247,254,.95);
    backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    margin:0 -24px;padding:10px 24px;
  }
  .sidebar-title{display:none}
  .sidebar-nav{
    flex-direction:row;gap:8px;overflow-x:auto;
    scrollbar-width:none;-ms-overflow-style:none;padding-bottom:2px;
  }
  .sidebar-nav::-webkit-scrollbar{display:none}
  .sidebar-nav a{
    flex:none;white-space:nowrap;padding:7px 14px;border-radius:var(--r-pill);
    border-left:0;font-size:13px;background:#F6F0FF;
  }
  .sidebar-nav a.active{border-left:0;background:rgba(123,77,255,.16);color:var(--violet)}
  .sidebar-card{display:none}
  main{padding-top:18px}
}
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:minmax(0,1fr)}
  .cat-hero-media{order:-1;max-width:620px}
  .main-nav{
    display:none;position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:12px 18px 18px;box-shadow:0 12px 28px rgba(74,44,120,.12);
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px;border-radius:12px;font-size:15px}
  .menu-toggle{display:inline-flex}
  .search-box{display:none}
  .slot-grid{grid-template-columns:minmax(0,1fr)}
  .footer-top{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .container,.layout{padding-left:18px;padding-right:18px}
  .page-sidebar{margin:0 -18px;padding:10px 18px;top:60px}
  .header-inner{height:60px;padding:0 18px;gap:12px}
  .main-nav{top:60px}
  .post-grid,.scene-grid,.safety-grid{grid-template-columns:minmax(0,1fr)}
  .block{padding:30px 0}
  .cat-hero{padding-bottom:22px}
  .cat-hero .lead{font-size:15px}
  .dl-band{grid-template-columns:minmax(0,1fr);padding:24px}
  .safety-card{padding:24px}
  .btn{min-height:44px;padding:0 22px;font-size:14px}
  .btn-sm{min-height:36px;padding:0 16px}
  .footer-cols{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  h1{font-size:26px}
  .block-head h2{font-size:20px}
  .post-card,.slot-card,.scene-body{padding:18px}
  .step-item{padding:16px;gap:12px}
  .brand-text small{display:none}
  .cat-hero-media img{aspect-ratio:4/3}
}

/* roulang page: article */
:root{
  --rose:#FF5C8A;
  --violet:#7B4DFF;
  --amber:#FFB26B;
  --mint:#35D0BA;
  --night-900:#1B1030;
  --night-700:#3B1F63;
  --night-500:#5A2A6B;
  --bg:#FBF7FE;
  --bg-alt:#F3EDFB;
  --surface:#FFFFFF;
  --line:#EBE3F7;
  --ink:#16112A;
  --ink-2:#4A4166;
  --ink-3:#8C82A6;
  --grad:linear-gradient(120deg,#7B4DFF 0%,#FF5C8A 55%,#FFB26B 100%);
  --night-grad:linear-gradient(160deg,#1B1030 0%,#3B1F63 62%,#5A2A6B 100%);
  --r-lg:28px;
  --r-md:24px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(74,44,120,.08);
  --sh-2:0 18px 44px rgba(74,44,120,.16);
  --sh-night:0 20px 48px rgba(10,6,24,.35);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--violet);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--rose);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid rgba(255,92,138,.45);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
[id]{scroll-margin-top:150px}
@media(min-width:1280px){[id]{scroll-margin-top:104px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(251,247,254,.86);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(74,44,120,.08)}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;gap:20px;position:relative;
}
.brand{display:flex;align-items:center;gap:10px;flex:none;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:40px;height:40px;border-radius:14px;flex:none;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:19px;box-shadow:0 8px 20px rgba(255,92,138,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand-text small{font-size:11px;color:var(--ink-3);letter-spacing:.02em}
.search-box{flex:1;max-width:320px;position:relative}
.search-box input{
  width:100%;height:40px;border-radius:var(--r-pill);
  border:1px solid transparent;background:#F6F0FF;
  padding:0 16px 0 38px;font-size:14px;color:var(--ink);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.search-box input::placeholder{color:var(--ink-3)}
.search-box input:focus{outline:none;background:#fff;border-color:rgba(123,77,255,.5);box-shadow:0 0 0 3px rgba(123,77,255,.12)}
.search-box::before{content:"";position:absolute;left:14px;top:50%;width:14px;height:14px;margin-top:-8px;border:2px solid var(--ink-3);border-radius:50%}
.search-box::after{content:"";position:absolute;left:25px;top:50%;width:6px;height:2px;margin-top:4px;background:var(--ink-3);transform:rotate(45deg);border-radius:2px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.main-nav a{
  padding:8px 12px;border-radius:var(--r-pill);font-size:14px;font-weight:500;
  color:var(--ink-2);white-space:nowrap;text-decoration:none;
  transition:background var(--t),color var(--t);
}
.main-nav a:hover{background:#F6F0FF;color:var(--violet);text-decoration:none}
.main-nav a.active{color:var(--violet);background:#F6F0FF;font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.lang-switch{position:relative}
.lang-switch summary{
  list-style:none;display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:13px;cursor:pointer;transition:border-color var(--t),color var(--t);
}
.lang-switch summary::-webkit-details-marker{display:none}
.lang-switch summary:hover{border-color:rgba(123,77,255,.45);color:var(--violet)}
.lang-switch summary::after{content:"";width:6px;height:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px)}
.lang-panel{
  position:absolute;right:0;top:calc(100% + 10px);min-width:170px;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--sh-2);padding:8px;z-index:140;
}
.lang-panel span{display:block;padding:8px 12px;font-size:13px;color:var(--ink-2);border-radius:10px}
.lang-panel span.cur{color:var(--violet);background:#F6F0FF;font-weight:600}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:18px;line-height:1;align-items:center;justify-content:center;
  transition:background var(--t),border-color var(--t);
}
.menu-toggle:hover{background:#F6F0FF;border-color:rgba(123,77,255,.35)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;
  text-decoration:none;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t),color var(--t),filter var(--t);
}
.btn:hover{text-decoration:none}
.btn-sm{min-height:36px;padding:0 18px;font-size:13px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,92,138,.26)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);color:#fff;box-shadow:0 12px 28px rgba(255,92,138,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,92,138,.24)}
.btn-secondary{background:#fff;color:var(--violet);border-color:#E3D8F5}
.btn-secondary:hover{background:#F6F0FF;border-color:var(--violet);color:var(--violet);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7)}

/* ---------- badge / tag ---------- */
.badge{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 14px;
  border-radius:var(--r-pill);font-size:13px;font-weight:500;color:var(--violet);
  background:rgba(123,77,255,.10);border:1px solid rgba(123,77,255,.24);white-space:nowrap;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--rose);flex:none}
.badge.amber::before{background:var(--amber)}
.tag{
  display:inline-block;padding:3px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;color:var(--violet);
  background:rgba(123,77,255,.10);border:1px solid rgba(123,77,255,.2);white-space:nowrap;
}
.tag.rose{color:#D93B6A;background:rgba(255,92,138,.10);border-color:rgba(255,92,138,.24)}
.tag.mint{color:#0F9C8A;background:rgba(53,208,186,.12);border-color:rgba(53,208,186,.3)}

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

/* ---------- doc sidebar ---------- */
.doc-sidebar{
  position:sticky;top:72px;z-index:80;
  margin:0 -24px;padding:10px 0;
  background:rgba(251,247,254,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.sidebar-title{display:none}
.sidebar-nav{display:flex;gap:8px;overflow-x:auto;padding:0 24px;scrollbar-width:none}
.sidebar-nav::-webkit-scrollbar{display:none}
.sidebar-nav a{
  flex:none;white-space:nowrap;font-size:13px;padding:6px 14px;
  border-radius:var(--r-pill);color:var(--ink-2);background:#F1EAFB;
  text-decoration:none;transition:background var(--t),color var(--t);
}
.sidebar-nav a:hover{background:#E8DDFB;color:var(--violet);text-decoration:none}
.sidebar-nav a.active{background:var(--grad);color:#fff}
.sidebar-extra{display:none}

@media(min-width:1280px){
  .layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:44px;padding:36px 0 20px}
  .doc-sidebar{
    position:sticky;top:88px;margin:0;padding:18px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    box-shadow:var(--sh-1);backdrop-filter:none;-webkit-backdrop-filter:none;
    align-self:start;
  }
  .sidebar-title{
    display:block;font-size:12px;font-weight:700;letter-spacing:.14em;
    color:var(--ink-3);margin:0 0 12px;padding-left:10px;text-transform:uppercase;
  }
  .sidebar-nav{flex-direction:column;overflow:visible;padding:0;gap:2px}
  .sidebar-nav a{
    background:transparent;border-radius:10px;padding:7px 10px;font-size:13px;
    border-left:3px solid transparent;transition:background var(--t),color var(--t),border-color var(--t);
  }
  .sidebar-nav a:hover{background:#F6F0FF;color:var(--violet)}
  .sidebar-nav a.active{
    background:#F6F0FF;color:var(--violet);font-weight:600;
    border-left-color:var(--rose);border-radius:0 10px 10px 0;
  }
  .sidebar-extra{display:block;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
  .sidebar-extra h4{margin:0 0 10px;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--ink-3)}
  .sidebar-extra a{display:block;font-size:13px;color:var(--ink-2);padding:4px 0}
  .sidebar-extra a:hover{color:var(--violet)}
  .sidebar-safe{
    margin-top:14px;display:inline-flex;align-items:center;gap:7px;
    font-size:12px;color:#0F9C8A;background:rgba(53,208,186,.12);
    border:1px solid rgba(53,208,186,.3);border-radius:var(--r-pill);padding:5px 12px;
  }
}

/* ---------- main column ---------- */
.main-col{min-width:0;padding:26px 0 64px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb .sep{color:#C9BEDF}
.breadcrumb .cur{color:var(--ink-3);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crumb-badge{margin-left:auto}

/* article hero */
.article-hero{padding-bottom:26px;border-bottom:1px solid var(--line)}
.article-hero h1{
  font-size:clamp(26px,4vw,42px);line-height:1.25;font-weight:800;
  letter-spacing:-.01em;margin:16px 0 16px;color:var(--ink);
}
.article-lead{
  max-width:760px;font-size:17px;line-height:1.8;color:var(--ink-2);
  margin:0 0 20px;font-weight:500;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-3)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#D6C9EC}
.article-cover{
  margin:26px 0 8px;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);background:var(--bg-alt);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-cover figcaption{font-size:13px;color:var(--ink-3);padding:12px 18px;border-top:1px solid var(--line);background:#fff}

/* blocks */
.block{margin-top:44px}
.block-title{
  font-size:clamp(21px,2.4vw,27px);line-height:1.35;font-weight:700;
  margin:0 0 18px;color:var(--ink);letter-spacing:-.01em;
}
.block-sub{margin:-8px 0 20px;font-size:14px;color:var(--ink-3)}

/* key points */
.key-points{
  background:var(--bg-alt);border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px 26px;margin:30px 0;
}
.key-points h2{font-size:18px;margin:0 0 14px;font-weight:700;color:var(--ink)}
.key-points ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.key-points li{
  position:relative;padding-left:28px;font-size:15px;line-height:1.75;color:var(--ink-2);
}
.key-points li::before{
  content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:6px;
  background:var(--grad);opacity:.9;
}
.key-points li::after{
  content:"";position:absolute;left:5px;top:11px;width:6px;height:3px;
  border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg);
}

/* article body */
.article-body{max-width:760px;font-size:16px;line-height:1.85;color:var(--ink-2)}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  position:relative;font-size:24px;line-height:1.4;font-weight:700;color:var(--ink);
  margin:38px 0 14px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:4px;
  border-radius:3px;background:var(--grad);
}
.article-body h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--ink);margin:28px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:4px;list-style:none}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.5em}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--rose);opacity:.85;
}
.article-body ol{counter-reset:step}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:.6em;counter-increment:step}
.article-body ol li::before{
  content:counter(step);position:absolute;left:0;top:.28em;width:20px;height:20px;
  border-radius:50%;background:var(--grad);color:#fff;font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;border-left:3px solid var(--rose);
  background:var(--bg-alt);border-radius:0 14px 14px 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:22px auto;box-shadow:var(--sh-1)}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}
.article-body a{font-weight:500}
.article-body table{
  width:100%;border-collapse:collapse;font-size:14px;
  display:block;overflow-x:auto;margin:20px 0;border-radius:14px;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:var(--bg-alt);color:var(--ink);font-weight:600}
.empty-state{
  text-align:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:48px 24px;box-shadow:var(--sh-1);
}
.empty-state p{margin:0 0 16px;color:var(--ink-3)}

/* safety strip */
.safety-strip{
  display:flex;gap:16px;align-items:flex-start;flex-wrap:wrap;
  background:rgba(53,208,186,.10);border:1px solid rgba(53,208,186,.32);
  border-radius:var(--r-md);padding:20px 22px;margin-top:38px;
}
.safety-strip .ic{
  width:40px;height:40px;border-radius:14px;flex:none;
  background:rgba(53,208,186,.18);color:#0F9C8A;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
}
.safety-strip p{margin:0;font-size:14.5px;color:#0B6F63;line-height:1.75}
.safety-strip a{color:#0B6F63;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}

/* checklist cards */
.check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 22px 20px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,92,138,.45)}
.check-card .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:10px;background:var(--grad);color:#fff;
  font-size:14px;font-weight:700;margin-bottom:12px;
}
.check-card h3{margin:0 0 8px;font-size:16px;font-weight:700;color:var(--ink)}
.check-card p{margin:0;font-size:14px;line-height:1.75;color:var(--ink-2)}

/* download band */
.download-band{
  position:relative;overflow:hidden;margin-top:46px;
  background:var(--night-grad);border-radius:var(--r-lg);
  padding:38px 34px;color:#fff;box-shadow:var(--sh-night);
}
.download-band::before{
  content:"";position:absolute;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,92,138,.35),transparent 70%);
  top:-90px;right:-60px;filter:blur(40px);
}
.download-band h2{margin:0 0 10px;font-size:clamp(21px,2.4vw,27px);color:#fff;position:relative}
.download-band p{margin:0 0 22px;font-size:14.5px;color:rgba(255,255,255,.72);max-width:620px;position:relative}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;position:relative}
.dl-card{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:18px;padding:18px;display:flex;flex-direction:column;gap:6px;
  transition:background var(--t),border-color var(--t),transform var(--t);
}
.dl-card:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.42);transform:translateY(-3px)}
.dl-card strong{font-size:15px;color:#fff}
.dl-card span{font-size:13px;color:rgba(255,255,255,.66)}
.dl-card .btn{margin-top:8px;width:100%}

/* foot nav */
.article-foot{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  margin-top:36px;padding-top:26px;border-top:1px solid var(--line);
}

/* ---------- footer ---------- */
.site-footer{
  position:relative;overflow:hidden;margin-top:72px;
  background:var(--night-grad);color:#fff;
  border-radius:32px 32px 0 0;padding:58px 0 26px;
}
.site-footer::before{
  content:"";position:absolute;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,178,107,.28),transparent 70%);
  bottom:-140px;left:-80px;filter:blur(50px);
}
.footer-inner{max-width:var(--container);margin:0 auto;padding:0 24px;position:relative}
.footer-top{display:grid;grid-template-columns:1fr 2fr;gap:44px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text small{color:rgba(255,255,255,.6)}
.footer-brand p{color:rgba(255,255,255,.72);font-size:14px;margin:14px 0 0;max-width:300px}
.footer-dl{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.footer-dl a{
  padding:6px 16px;border-radius:var(--r-pill);font-size:13px;color:#fff;
  border:1px solid rgba(255,255,255,.3);transition:background var(--t),border-color var(--t);
}
.footer-dl a:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6);color:#fff;text-decoration:none}
.footer-cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.footer-col h3{margin:0 0 12px;font-size:14px;font-weight:700;color:#fff}
.footer-col a{display:block;font-size:13px;color:rgba(255,255,255,.72);padding:4px 0;transition:color var(--t)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom .links{display:flex;gap:16px;flex-wrap:wrap}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:#fff}

/* ---------- responsive ---------- */
@media(max-width:1279px){
  .check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:1024px){
  .header-inner{height:64px;gap:12px}
  .search-box{display:none}
  .lang-switch{display:none}
  .menu-toggle{display:flex}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;margin:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--sh-1);padding:10px 16px;display:none;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:11px 14px;border-radius:12px;font-size:15px}
  .doc-sidebar{top:64px}
  .footer-top{grid-template-columns:1fr;gap:32px}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
}
@media(max-width:768px){
  .container,.header-inner,.layout-wrap,.footer-inner{padding-left:18px;padding-right:18px}
  .doc-sidebar{margin:0 -18px;top:64px}
  .sidebar-nav{padding:0 18px}
  .main-col{padding:22px 0 48px}
  .article-hero h1{font-size:26px}
  .check-grid{grid-template-columns:1fr}
  .dl-grid{grid-template-columns:1fr}
  .download-band{padding:28px 20px;border-radius:22px}
  .btn{min-height:44px;padding:0 20px;font-size:14.5px}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .site-footer{padding:40px 0 22px;border-radius:24px 24px 0 0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media(max-width:480px){
  body{font-size:15px}
  .brand-text small{display:none}
  .article-lead{font-size:15.5px}
  .block-title{font-size:20px}
  .key-points{padding:20px 18px}
}