/* roulang page: index */
:root{
  --primary:#0FB5A3;
  --primary-dark:#087F72;
  --primary-soft:#E6F7F3;
  --accent:#FF6B4A;
  --accent-dark:#D94A2B;
  --lemon:#FFC94A;
  --ink:#121619;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --text:#1A1E22;
  --text-2:#5C6570;
  --text-3:#8B939C;
  --border:#E6E1D8;
  --success:#2E9E6B;
  --error:#D64545;
  --r-sm:10px;
  --r-md:20px;
  --r-lg:28px;
  --shadow-sm:0 1px 2px rgba(18,22,25,.06),0 12px 32px -12px rgba(18,22,25,.16);
  --shadow-md:0 18px 40px -16px rgba(18,22,25,.24);
  --shadow-cta:0 10px 26px -10px rgba(15,181,163,.65);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(15,181,163,.32);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:96px 0;}
.section-alt{background:#fff;}
.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(24px,2.6vw,34px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:.01em;
}
.section-sub{
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
  margin-top:10px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--primary-dark);
  background:var(--primary-soft);
  border-radius:999px;
  padding:6px 14px;
  letter-spacing:.02em;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:rgba(247,244,238,.96);
  border-bottom:1px solid var(--border);
  backdrop-filter:saturate(140%) blur(6px);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:206px;
  flex:none;
}
.brand-mark{
  width:36px;
  height:36px;
  flex:none;
  border-radius:10px;
  background:var(--ink);
  display:grid;
  place-items:center;
  box-shadow:0 6px 16px -8px rgba(18,22,25,.6);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{
  font-size:17px;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--ink);
}
.brand-sub{
  font-size:11px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--primary-dark);
  margin-top:3px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-pill{
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-pill:hover{background:var(--primary-soft);color:var(--primary-dark);}
.nav-pill.active{
  background:rgba(15,181,163,.12);
  color:var(--primary-dark);
  box-shadow:inset 0 -3px 0 var(--primary);
}
.header-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:999px;
  background:var(--primary);
  color:var(--ink);
  font-size:15px;
  font-weight:700;
  white-space:nowrap;
  box-shadow:var(--shadow-cta);
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.header-cta:hover{
  background:#0ea695;
  color:var(--ink);
  transform:translateY(-2px);
  box-shadow:0 16px 32px -12px rgba(15,181,163,.8);
}
.header-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  margin-left:auto;
  border:1px solid var(--border);
  border-radius:12px;
  background:#fff;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  position:relative;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* Drawer */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(18,22,25,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:1050;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  width:min(86vw,340px);
  height:100%;
  background:#fff;
  z-index:1060;
  transform:translateX(100%);
  transition:transform .28s ease;
  display:flex;
  flex-direction:column;
  padding:20px 20px 24px;
  box-shadow:-20px 0 60px -30px rgba(18,22,25,.6);
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--border);
}
.drawer-close{
  width:36px;height:36px;
  border:none;background:var(--primary-soft);
  border-radius:10px;color:var(--primary-dark);
  font-size:18px;line-height:1;cursor:pointer;
}
.drawer-links{margin-top:12px;flex:1;overflow-y:auto;}
.drawer-links a{
  display:flex;
  align-items:center;
  height:48px;
  padding:0 12px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
}
.drawer-links a:hover{background:var(--primary-soft);color:var(--primary-dark);}
.drawer-links a.active{background:rgba(15,181,163,.12);color:var(--primary-dark);}
.drawer-foot{padding-top:16px;border-top:1px solid var(--border);}
.drawer-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  height:48px;
  width:100%;
  border-radius:999px;
  background:var(--primary);
  color:var(--ink);
  font-weight:700;
  font-size:15px;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:76px 0 96px;
  overflow:hidden;
  background:
    radial-gradient(700px 460px at 84% 18%, rgba(15,181,163,.20), transparent 68%),
    radial-gradient(520px 380px at 8% 88%, rgba(255,201,74,.16), transparent 70%),
    var(--bg);
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:radial-gradient(circle, rgba(18,22,25,.07) 1px, transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:radial-gradient(560px 420px at 82% 26%, #000 0%, transparent 76%);
  mask-image:radial-gradient(560px 420px at 82% 26%, #000 0%, transparent 76%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;
  align-items:center;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--primary-soft);
  color:var(--primary-dark);
  border-radius:999px;
  padding:7px 16px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
}
.hero-badge i{
  width:7px;height:7px;border-radius:50%;
  background:var(--primary);
  display:inline-block;
}
.hero h1{
  font-size:clamp(34px,4.2vw,56px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:.01em;
  margin-top:20px;
  color:var(--ink);
}
.hero h1 em{
  font-style:normal;
  color:var(--primary-dark);
  background:linear-gradient(180deg,transparent 62%,rgba(15,181,163,.22) 62%);
}
.hero-lead{
  font-size:17px;
  line-height:1.8;
  color:var(--text-2);
  margin-top:18px;
  max-width:36em;
}
.hero-subline{
  font-size:15px;
  font-weight:600;
  color:var(--primary-dark);
  margin-top:14px;
}
.hero-actions{
  display:flex;
  align-items:center;
  gap:14px;
  margin-top:30px;
  flex-wrap:wrap;
}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:999px;
  border:none;
  background:var(--primary);
  color:var(--ink);
  font-size:16px;
  font-weight:700;
  box-shadow:var(--shadow-cta);
  cursor:pointer;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.btn-main:hover{
  background:#0ea695;
  color:var(--ink);
  transform:translateY(-2px);
  box-shadow:0 16px 34px -12px rgba(15,181,163,.8);
}
.btn-main:active{transform:translateY(0);}
.btn-line{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  border:1.5px solid var(--primary);
  background:transparent;
  color:var(--primary-dark);
  font-size:16px;
  font-weight:700;
  transition:background .2s ease,transform .2s ease,color .2s ease;
}
.btn-line:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-2px);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:40px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--text-2);
  font-size:14px;
  font-weight:600;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);background:var(--primary-soft);}
.hero-facts{
  display:flex;
  align-items:center;
  gap:26px;
  margin-top:34px;
  flex-wrap:wrap;
}
.hero-fact{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
}
.hero-fact svg{color:var(--primary);flex:none;}

.hero-visual{
  position:relative;
  display:flex;
  justify-content:flex-end;
  min-height:480px;
  padding-left:80px;
}
.phone-card{
  position:relative;
  width:min(330px,100%);
  aspect-ratio:9/16;
  border-radius:24px;
  overflow:hidden;
  background:var(--ink);
  box-shadow:var(--shadow-md);
}
.phone-card img{
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.92;
}
.phone-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(18,22,25,.55) 0%,rgba(18,22,25,.05) 34%,rgba(18,22,25,.86) 100%);
}
.phone-tag{
  position:absolute;
  top:16px;
  left:16px;
  z-index:3;
  background:rgba(255,255,255,.94);
  color:var(--primary-dark);
  font-size:12px;
  font-weight:700;
  border-radius:999px;
  padding:5px 12px;
}
.play-dot{
  position:absolute;
  z-index:4;
  left:50%;
  top:44%;
  transform:translate(-50%,-50%);
  width:64px;
  height:64px;
  border-radius:50%;
  border:none;
  background:rgba(255,255,255,.92);
  display:grid;
  place-items:center;
  cursor:pointer;
  box-shadow:0 14px 30px -12px rgba(0,0,0,.55);
  transition:transform .25s ease,background .25s ease;
}
.play-dot:hover{transform:translate(-50%,-50%) scale(1.06);background:#fff;}
.phone-body{
  position:absolute;
  z-index:3;
  left:18px;
  right:18px;
  bottom:18px;
  color:#fff;
}
.phone-title{font-size:17px;font-weight:700;line-height:1.4;}
.phone-desc{font-size:13px;color:rgba(255,255,255,.78);margin-top:6px;}
.float-card{
  position:absolute;
  width:104px;
  aspect-ratio:3/4;
  border-radius:14px;
  overflow:hidden;
  border:3px solid #fff;
  box-shadow:var(--shadow-sm);
  z-index:2;
}
.float-card img{width:100%;height:100%;object-fit:cover;}
.float-a{left:6px;top:56px;}
.float-b{left:34px;bottom:24px;}

/* ---------- Clip cards ---------- */
.clip-track{
  display:flex;
  gap:24px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 4px 14px;
  scrollbar-width:none;
}
.clip-track::-webkit-scrollbar{display:none;}
.clip-card{
  flex:0 0 calc((100% - 72px) / 4);
  scroll-snap-align:start;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.clip-card:hover{transform:translateY(-4px);border-color:rgba(15,181,163,.35);box-shadow:var(--shadow-md);}
.clip-media{
  position:relative;
  aspect-ratio:3/4;
  overflow:hidden;
  background:var(--primary-soft);
}
.clip-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.clip-card:hover .clip-media img{transform:scale(1.03);}
.clip-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(18,22,25,.42) 0%,rgba(18,22,25,0) 42%,rgba(18,22,25,.62) 100%);
}
.clip-cat{
  position:absolute;
  top:12px;
  left:12px;
  z-index:2;
  background:rgba(255,255,255,.94);
  color:var(--primary-dark);
  font-size:12px;
  font-weight:700;
  border-radius:999px;
  padding:4px 10px;
}
.clip-time{
  position:absolute;
  right:12px;
  bottom:12px;
  z-index:2;
  background:rgba(18,22,25,.74);
  color:#fff;
  font-size:12px;
  font-weight:600;
  border-radius:999px;
  padding:3px 10px;
}
.clip-play{
  position:absolute;
  z-index:3;
  left:50%;
  top:46%;
  transform:translate(-50%,-50%);
  width:48px;
  height:48px;
  border-radius:50%;
  background:rgba(255,255,255,.9);
  display:grid;
  place-items:center;
  transition:transform .25s ease;
}
.clip-card:hover .clip-play{transform:translate(-50%,-50%) scale(1.08);}
.clip-body{padding:18px 18px 20px;}
.clip-body h3{font-size:16px;font-weight:700;line-height:1.45;}
.clip-body p{font-size:13px;line-height:1.7;color:var(--text-2);margin-top:8px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.scroll-hint{
  display:none;
  font-size:13px;
  color:var(--text-3);
  margin-top:6px;
}

/* ---------- Pick list ---------- */
.chips{display:flex;gap:10px;flex-wrap:wrap;}
.chip{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 16px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--border);
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  cursor:pointer;
  transition:all .2s ease;
}
.chip:hover{border-color:var(--primary);color:var(--primary-dark);}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff;}
.pick-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0 56px;
  margin-top:8px;
}
.pick-item{
  display:flex;
  align-items:flex-start;
  gap:20px;
  padding:24px 0;
  border-bottom:1px solid var(--border);
  transition:transform .2s ease;
}
.pick-item:hover{transform:translateX(4px);}
.pick-num{
  flex:none;
  font-size:48px;
  font-weight:800;
  line-height:1;
  color:rgba(15,181,163,.18);
  -webkit-text-stroke:1.4px rgba(15,181,163,.5);
  font-variant-numeric:tabular-nums;
  min-width:64px;
}
.pick-content{flex:1;min-width:0;}
.pick-content h3{font-size:18px;font-weight:700;line-height:1.45;}
.pick-content p{font-size:14px;color:var(--text-2);margin-top:6px;line-height:1.7;}
.pick-arrow{
  flex:none;
  color:var(--text-3);
  margin-left:8px;
  transition:transform .2s ease,color .2s ease;
}
.pick-item:hover .pick-arrow{transform:translateX(4px);color:var(--primary);}

/* ---------- News ---------- */
.news-card{
  height:100%;
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(15,181,163,.35);box-shadow:var(--shadow-md);}
.news-cover{
  display:block;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--primary-soft);
}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1;gap:10px;}
.badge-soft{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  font-size:12px;
  font-weight:600;
  color:var(--primary-dark);
  background:rgba(15,181,163,.10);
  border-radius:999px;
  padding:4px 10px;
}
.news-title{
  font-size:17px;
  font-weight:700;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-title a:hover{color:var(--primary-dark);}
.news-desc{
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}
.news-more{font-size:13px;font-weight:600;color:var(--primary-dark);}
.empty-state{
  border:1.5px dashed var(--border);
  border-radius:var(--r-md);
  background:#fff;
  padding:56px 24px;
  text-align:center;
}
.empty-state svg{color:var(--primary);margin-bottom:16px;}
.empty-state h3{font-size:18px;font-weight:700;}
.empty-state p{font-size:14px;color:var(--text-2);margin-top:8px;}
.empty-state .btn-line{margin-top:20px;height:42px;font-size:15px;}

/* ---------- Voice strip ---------- */
.voice-strip{
  background:var(--primary-soft);
  border-top:1px solid rgba(15,181,163,.22);
  border-bottom:1px solid rgba(15,181,163,.22);
  padding:64px 0;
}
.voice-grid{
  display:grid;
  grid-template-columns:minmax(0,3fr) minmax(0,9fr);
  gap:40px;
  align-items:center;
}
.voice-grid h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;}
.voice-grid .section-sub{color:var(--text-2);}
.voice-track{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding-bottom:8px;
  scrollbar-width:none;
}
.voice-track::-webkit-scrollbar{display:none;}
.voice-card{
  flex:0 0 calc((100% - 40px) / 3);
  scroll-snap-align:start;
  background:#fff;
  border-radius:var(--r-md);
  border:1px solid rgba(15,181,163,.18);
  padding:22px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.voice-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.stars{display:flex;gap:3px;color:var(--lemon);}
.voice-text{
  font-size:15px;
  font-weight:600;
  line-height:1.65;
  margin-top:12px;
  color:var(--text);
  min-height:50px;
}
.voice-user{display:flex;align-items:center;gap:10px;margin-top:16px;}
.avatar{
  width:36px;height:36px;border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary-dark);
  display:grid;place-items:center;
  font-size:14px;font-weight:700;
  flex:none;
}
.voice-name{font-size:14px;font-weight:700;}
.voice-tag{font-size:12px;color:var(--text-3);}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--ink);
  color:#fff;
  padding:56px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:36px;
  align-items:center;
  box-shadow:var(--shadow-md);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(420px 300px at 88% 12%, rgba(15,181,163,.42), transparent 70%),
    radial-gradient(circle, rgba(255,255,255,.10) 1px, transparent 1px);
  background-size:auto, 22px 22px;
  pointer-events:none;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;
  bottom:-80px;
  width:340px;
  height:340px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,107,74,.30), transparent 70%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{
  font-size:clamp(24px,2.8vw,34px);
  font-weight:800;
  line-height:1.3;
  color:#fff;
}
.cta-band p{
  font-size:15px;
  line-height:1.75;
  color:rgba(255,255,255,.74);
  margin-top:14px;
  max-width:34em;
}
.cta-action{display:flex;flex-direction:column;align-items:flex-start;gap:12px;}
.btn-cta-lg{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  height:56px;
  padding:0 36px;
  border-radius:999px;
  background:var(--primary);
  color:var(--ink);
  font-size:17px;
  font-weight:800;
  white-space:nowrap;
  box-shadow:0 16px 34px -14px rgba(15,181,163,.9);
  transition:transform .2s ease,background .2s ease;
}
.btn-cta-lg:hover{background:#12c6b1;color:var(--ink);transform:translateY(-2px);}
.btn-cta-lg:active{transform:translateY(0);}
.cta-note{font-size:13px;color:rgba(255,255,255,.6);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-accordion .accordion-item{
  border:1px solid var(--border);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  background:#fff;
  box-shadow:0 1px 2px rgba(18,22,25,.04);
}
.faq-accordion .accordion-button{
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--text);
  background:#fff;
  padding:18px 22px;
  box-shadow:none!important;
  border:none;
}
.faq-accordion .accordion-button:not(.collapsed){
  background:var(--primary-soft);
  color:var(--primary-dark);
}
.faq-accordion .accordion-button::after{
  width:24px;
  height:24px;
  flex:none;
  margin-left:16px;
  border-radius:50%;
  background-color:rgba(15,181,163,.14);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23087F72' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  background-size:14px 14px;
  background-position:center;
  background-repeat:no-repeat;
  transition:transform .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23087F72' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
}
.faq-accordion .accordion-body{
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
  padding:4px 22px 22px;
}
.faq-foot{text-align:center;margin-top:28px;font-size:14px;color:var(--text-2);}
.faq-foot a{color:var(--primary-dark);font-weight:600;border-bottom:1px solid rgba(15,181,163,.4);}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:var(--primary);}
.footer-brand .brand-mark{background:var(--primary);}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.6);
  margin-top:18px;
  max-width:24em;
}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:36px;height:36px;
  border-radius:10px;
  background:rgba(255,255,255,.08);
  display:grid;place-items:center;
  color:rgba(255,255,255,.78);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.footer-social a:hover{background:var(--primary);color:var(--ink);transform:translateY(-2px);}
.footer-title{
  font-size:14px;
  font-weight:700;
  color:#fff;
  letter-spacing:.05em;
  margin-bottom:16px;
}
.footer-links li{margin-bottom:2px;}
.footer-links a{
  font-size:14px;
  line-height:2;
  color:rgba(255,255,255,.62);
}
.footer-links a:hover{color:var(--primary);}
.footer-contact p{font-size:14px;line-height:2;color:rgba(255,255,255,.62);}
.footer-contact strong{color:rgba(255,255,255,.9);font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:44px;
  height:44px;
  border-radius:50%;
  border:none;
  background:var(--primary);
  color:var(--ink);
  display:grid;
  place-items:center;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  box-shadow:0 12px 28px -12px rgba(15,181,163,.9);
  z-index:900;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:#12c6b1;}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .clip-card{flex:0 0 calc((100% - 48px) / 3);}
  .hero-visual{padding-left:56px;}
}
@media (max-width:1099.98px){
  .main-nav{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}
  .brand{min-width:auto;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .hero{padding:56px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-visual{justify-content:center;padding-left:0;min-height:0;margin-top:8px;}
  .phone-card{width:min(72vw,320px);}
  .float-card{display:none;}
  .voice-grid{grid-template-columns:1fr;gap:24px;}
  .voice-card{flex:0 0 62%;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .clip-card{flex:0 0 calc((100% - 24px) / 2);}
  .scroll-hint{display:block;}
}
@media (max-width:767.98px){
  .section{padding:56px 0;}
  .section-head{margin-bottom:24px;}
  .pick-list{grid-template-columns:1fr;gap:0;}
  .pick-num{font-size:40px;min-width:54px;}
  .news-body{padding:18px;}
  .hero-facts{gap:16px;}
  .cta-band{padding:32px 22px;border-radius:22px;}
  .btn-cta-lg{width:100%;height:52px;font-size:16px;}
  .cta-action{width:100%;}
  .voice-card{flex:0 0 78%;}
  .clip-card{flex:0 0 78%;}
  .site-footer{margin-top:56px;padding-top:56px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .header-inner{height:64px;}
  .brand-name{font-size:15px;}
  .hero h1{font-size:32px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn-main,.btn-line{width:100%;}
  .phone-card{width:78vw;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-accordion .accordion-button{padding:16px 18px;font-size:15px;}
  .faq-accordion .accordion-body{padding:2px 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --teal:#0FB5A3;
  --teal-deep:#087F72;
  --teal-mid:#0CA594;
  --teal-soft:#E6F7F3;
  --coral:#FF6B4A;
  --coral-deep:#D94A2B;
  --lemon:#FFC94A;
  --ink:#121619;
  --cream:#F7F4EE;
  --card:#FFFFFF;
  --text:#1A1E22;
  --muted:#5C6570;
  --weak:#8B939C;
  --line:#E6E1D8;
  --ok:#2E9E6B;
  --err:#D64545;
  --r-sm:10px;
  --r-md:20px;
  --r-lg:28px;
  --shadow-sm:0 1px 2px rgba(18,22,25,.06),0 12px 32px -12px rgba(18,22,25,.16);
  --shadow-lg:0 18px 40px -16px rgba(18,22,25,.24);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(15,181,163,.32);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(247,244,238,.97);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:36px;height:36px;border-radius:var(--r-sm);
  background:var(--teal);display:grid;place-items:center;flex:none;
  transition:transform .2s ease,box-shadow .2s ease;
}
.brand:hover .brand-mark{transform:translateY(-2px);box-shadow:0 10px 20px -10px rgba(15,181,163,.8);}
.brand-name{display:block;font-size:16px;font-weight:800;line-height:1.15;color:var(--ink);letter-spacing:.01em;}
.brand-sub{display:block;font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--muted);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-pill{
  position:relative;display:inline-flex;align-items:center;
  height:44px;padding:0 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--muted);
  transition:background .2s ease,color .2s ease;
}
.nav-pill:hover{background:var(--teal-soft);color:var(--teal-deep);}
.nav-pill.active{background:rgba(15,181,163,.12);color:var(--teal-deep);}
.nav-pill.active::after{
  content:"";position:absolute;left:50%;bottom:5px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:2px;background:var(--teal);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--teal);color:var(--ink);}
.btn-primary:hover{background:var(--teal-mid);transform:translateY(-2px);box-shadow:0 12px 24px -10px rgba(15,181,163,.65);color:var(--ink);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:transparent;border-color:var(--teal);color:var(--teal-deep);}
.btn-outline:hover{background:var(--teal-soft);transform:translateY(-2px);color:var(--teal-deep);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--teal-deep);border-color:transparent;padding:0 14px;}
.btn-ghost:hover{background:var(--teal-soft);}
.btn-lg{height:56px;padding:0 32px;font-size:16px;}
.btn-nav{height:44px;padding:0 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--card);border:1px solid var(--line);
  place-items:center;
}
.nav-toggle:hover{border-color:var(--teal);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* Drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,22,25,.45);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:1100;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;z-index:1200;
  width:min(86vw,340px);height:100%;
  background:var(--card);border-left:1px solid var(--line);
  display:flex;flex-direction:column;gap:6px;
  padding:20px;transform:translateX(102%);
  transition:transform .3s ease;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-title{font-size:15px;font-weight:700;color:var(--ink);}
.drawer-close{width:40px;height:40px;border-radius:12px;background:var(--cream);display:grid;place-items:center;font-size:18px;color:var(--muted);}
.drawer-close:hover{background:var(--teal-soft);color:var(--teal-deep);}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--muted);
}
.drawer-link:hover,.drawer-link.active{background:var(--teal-soft);color:var(--teal-deep);}
.drawer-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;}

/* ---------- Page hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:56px 0 52px;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.15;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 320px at 84% 18%,rgba(15,181,163,.22),transparent 72%),
             radial-gradient(400px 260px at 12% 92%,rgba(255,107,74,.12),transparent 70%);
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--weak);margin-bottom:20px;
}
.breadcrumb a:hover{color:var(--teal-deep);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--teal-deep);font-weight:600;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 12px;border-radius:999px;
  background:var(--teal-soft);color:var(--teal-deep);
  font-size:13px;font-weight:600;margin-bottom:18px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--teal);}
h1{
  font-size:clamp(34px,4.2vw,52px);
  font-weight:800;line-height:1.15;letter-spacing:.01em;
  color:var(--ink);max-width:20ch;
}
.hero-lead{margin-top:16px;font-size:17px;line-height:1.8;color:var(--muted);max-width:56ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:28px;}
.hero-meta-item{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--muted);}
.hero-meta-item svg{color:var(--teal-deep);flex:none;}

/* ---------- Sections ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head .head-text{max-width:640px;}
h2{
  font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.3;
  color:var(--ink);letter-spacing:.01em;
}
.section-sub{margin-top:12px;font-size:15px;line-height:1.8;color:var(--muted);}
h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--ink);}

/* ---------- Entry cards ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.entry-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.entry-card:hover{transform:translateY(-4px);border-color:rgba(15,181,163,.35);box-shadow:var(--shadow-lg);}
.entry-icon{
  width:48px;height:48px;border-radius:14px;
  background:var(--teal-soft);color:var(--teal-deep);
  display:grid;place-items:center;margin-bottom:18px;
  transition:background .2s ease,color .2s ease;
}
.entry-card:hover .entry-icon{background:var(--teal);color:var(--ink);}
.entry-card h3{font-size:20px;margin-bottom:10px;}
.entry-card p{font-size:15px;line-height:1.8;color:var(--muted);}
.entry-arrow{
  margin-top:20px;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--teal-deep);
  transition:transform .2s ease;
}
.entry-card:hover .entry-arrow{transform:translateX(4px);}

/* ---------- Steps ---------- */
.steps-wrap{background:var(--cream);}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:26px 24px;box-shadow:var(--shadow-sm);
}
.step-num{
  width:44px;height:44px;border-radius:999px;
  background:var(--ink);color:#F7F4EE;
  display:grid;place-items:center;font-size:16px;font-weight:700;
  margin-bottom:18px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;margin-bottom:10px;}
.step p{font-size:15px;line-height:1.8;color:var(--muted);}
.step:not(:last-child)::after{
  content:"";position:absolute;top:48px;right:calc(-1 * var(--gap));
  width:var(--gap);border-top:2px dashed rgba(15,181,163,.45);
}

/* ---------- Notice bar ---------- */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  margin-top:32px;padding:20px 24px;
  background:#FFF7E2;border:1px solid #F5DFA8;border-radius:var(--r-md);
}
.notice-icon{
  width:36px;height:36px;border-radius:10px;flex:none;
  background:rgba(255,201,74,.45);color:#8A6100;
  display:grid;place-items:center;
}
.notice-title{font-size:15px;font-weight:700;color:#6B4C00;margin-bottom:4px;}
.notice p{font-size:14px;line-height:1.8;color:#7A5A10;}

/* ---------- Split / checklist ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split-media{position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,22,25,0) 55%,rgba(18,22,25,.28) 100%);
}
.split-body p{font-size:16px;line-height:1.85;color:var(--muted);margin-top:14px;}
.check-list{margin-top:24px;display:grid;gap:14px;}
.check-item{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.8;color:var(--text);}
.check-item .tick{
  width:24px;height:24px;border-radius:999px;flex:none;margin-top:2px;
  background:var(--teal-soft);color:var(--teal-deep);display:grid;place-items:center;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;
  border-radius:999px;background:var(--teal-soft);color:var(--teal-deep);
  font-size:13px;font-weight:600;
}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);border-radius:var(--r-lg);
  padding:48px;display:grid;grid-template-columns:1.3fr .7fr;
  gap:32px;align-items:center;color:#F2F5F4;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.18;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 240px at 82% 30%,rgba(15,181,163,.35),transparent 70%);
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{color:#FFFFFF;font-size:clamp(24px,2.6vw,32px);}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(242,245,244,.78);max-width:44ch;}
.cta-side{display:flex;flex-direction:column;align-items:flex-start;gap:12px;}
.cta-side .btn{width:100%;max-width:280px;}
.cta-note{font-size:13px;color:rgba(242,245,244,.62);}

/* ---------- Cross links ---------- */
.cross-links{padding-top:0;}
.cross-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:16px;}
.chips{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  display:inline-flex;align-items:center;height:44px;padding:0 20px;
  border-radius:999px;background:var(--card);border:1px solid var(--line);
  font-size:15px;font-weight:600;color:var(--muted);
  transition:transform .2s ease,border-color .2s ease,color .2s ease,background .2s ease;
}
.chip:hover{transform:translateY(-2px);border-color:var(--teal);background:var(--teal-soft);color:var(--teal-deep);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#C9CFD4;padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-mark{background:var(--teal);}
.footer-brand .brand-name{color:#FFFFFF;}
.footer-brand .brand-sub{color:rgba(201,207,212,.72);}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(201,207,212,.72);}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:12px;
  background:rgba(255,255,255,.06);color:#E6EAEA;
  display:grid;place-items:center;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.footer-social a:hover{background:var(--teal);color:var(--ink);transform:translateY(-2px);}
.footer-title{font-size:15px;font-weight:700;color:#FFFFFF;margin-bottom:16px;}
.footer-links{display:grid;gap:2px;}
.footer-links a{display:inline-block;font-size:14px;line-height:2;color:rgba(201,207,212,.78);}
.footer-links a:hover{color:var(--teal);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px 24px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(201,207,212,.6);
}
.footer-bottom a{color:rgba(201,207,212,.78);}
.footer-bottom a:hover{color:var(--teal);}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:900;
  width:44px;height:44px;border-radius:999px;
  background:var(--teal);color:var(--ink);
  display:grid;place-items:center;
  box-shadow:0 12px 28px -12px rgba(15,181,163,.9);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background .2s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--teal-mid);}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 20px;}
  .main-nav{display:none;}
  .nav-toggle{display:grid;}
  .header-actions .btn-nav{display:none;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .entry-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
  .step:not(:last-child)::after{display:none;}
  .split{grid-template-columns:1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  h1{max-width:26ch;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  h1{font-size:clamp(30px,8vw,36px);}
  .page-hero{padding:36px 0 40px;}
  .hero-lead{font-size:16px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-meta{gap:14px;}
  .entry-grid{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .cta-band{padding:28px 22px;border-radius:24px;}
  .cta-side .btn{max-width:none;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding-top:56px;}
  .footer-bottom{font-size:12px;}
  .to-top{right:16px;bottom:16px;}
  .brand-name{font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --primary:#0FB5A3;
  --primary-dark:#087F72;
  --primary-soft:#E6F7F3;
  --accent:#FF6B4A;
  --accent-dark:#D94A2B;
  --lemon:#FFC94A;
  --ink:#121619;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --text:#1A1E22;
  --muted:#5C6570;
  --weak:#8B939C;
  --line:#E6E1D8;
  --ok:#2E9E6B;
  --err:#D64545;
  --r-sm:10px;
  --r-md:16px;
  --r-card:20px;
  --r-lg:28px;
  --shadow-sm:0 1px 2px rgba(18,22,25,.06),0 12px 32px -12px rgba(18,22,25,.16);
  --shadow-md:0 18px 40px -16px rgba(18,22,25,.24);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure{margin:0}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(15,181,163,.32);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(247,244,238,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(2px);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;
  background:var(--primary);display:grid;place-items:center;
  box-shadow:0 8px 18px -10px rgba(15,181,163,.95);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.01em;color:var(--ink)}
.brand-sub{font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--primary-dark)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-pill{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  border-radius:999px;font-size:15px;font-weight:600;color:var(--muted);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-pill:hover{background:var(--primary-soft);color:var(--primary-dark)}
.nav-pill.active{background:rgba(15,181,163,.12);color:var(--primary-dark)}
.nav-pill.active::after{
  content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:3px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:var(--ink);box-shadow:0 10px 24px -14px rgba(15,181,163,.95)}
.btn-primary:hover{background:#0da695;transform:translateY(-2px);box-shadow:0 16px 32px -14px rgba(15,181,163,.95)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--primary);color:var(--primary-dark);background:transparent}
.btn-outline:hover{background:var(--primary-soft);transform:translateY(-2px)}
.btn-nav{height:44px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary-dark)}

/* ---------- drawer ---------- */
.nav-mask{
  position:fixed;inset:0;background:rgba(18,22,25,.45);z-index:1100;
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.nav-mask.show{opacity:1;pointer-events:auto}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);z-index:1200;
  background:var(--card);box-shadow:-20px 0 60px rgba(18,22,25,.18);
  display:flex;flex-direction:column;padding:20px;
  transform:translateX(105%);transition:transform .3s ease;
}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--card);
  font-size:22px;line-height:1;color:var(--muted);cursor:pointer;
}
.drawer-close:hover{color:var(--primary-dark);border-color:var(--primary)}
.drawer-nav{display:flex;flex-direction:column;padding:14px 0;flex:1}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--muted);
}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--primary-soft);color:var(--primary-dark)}
.drawer-cta{margin-top:12px}

/* ---------- article hero ---------- */
.article-hero{padding:36px 0 0}
.breadcrumb-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak)}
.breadcrumb-nav a{color:var(--muted)}
.breadcrumb-nav a:hover{color:var(--primary-dark)}
.breadcrumb-nav .sep{color:#C9C3B8}
.breadcrumb-nav .current{color:var(--primary-dark);font-weight:600}
.article-head{max-width:860px;padding:20px 0 34px}
.badge-cat{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;background:rgba(15,181,163,.1);color:var(--primary-dark);
}
.article-head h1{
  font-size:clamp(28px,3.6vw,44px);font-weight:700;line-height:1.24;
  letter-spacing:.01em;margin-top:14px;color:var(--ink);
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:18px;font-size:14px;color:var(--muted)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--primary)}

/* ---------- layout ---------- */
.article-section{padding:0 0 8px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;padding-bottom:16px}
.article-main{min-width:0}
.article-cover{
  margin-bottom:32px;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow-sm);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-cover figcaption{padding:10px 18px;font-size:13px;color:var(--weak);border-top:1px solid var(--line);background:#FCFAF6}

/* ---------- content typography ---------- */
.article-content{
  font-size:17px;line-height:1.9;color:#23282D;max-width:72ch;overflow-wrap:anywhere;
}
.article-content p{margin:0 0 1.2em}
.article-content h2{
  position:relative;font-size:clamp(22px,2.4vw,27px);font-weight:700;line-height:1.4;
  color:var(--ink);margin:48px 0 16px;padding-left:16px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:4px;background:var(--primary);
}
.article-content h3{font-size:20px;font-weight:600;line-height:1.5;color:var(--ink);margin:32px 0 12px}
.article-content h2:first-child,.article-content h3:first-child{margin-top:0}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:1.3em}
.article-content li{margin:.4em 0;line-height:1.9}
.article-content blockquote{
  margin:28px 0;padding:16px 22px;background:var(--primary-soft);
  border-left:4px solid var(--primary);border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-style:italic;font-size:18px;color:var(--primary-dark);
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:14px;margin:24px 0}
.article-content figure{margin:24px 0}
.article-content figcaption{font-size:13px;color:var(--weak);margin-top:8px;text-align:center}
.article-content table{width:100%;border-collapse:collapse;font-size:15px;margin:20px 0}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-content th{background:var(--primary-soft);font-weight:600}
.article-content code{background:#F0EDE6;padding:2px 7px;border-radius:8px;font-size:.92em}
.article-content a{color:var(--primary-dark);border-bottom:1px solid rgba(15,181,163,.4)}
.article-content a:hover{color:var(--primary)}

/* ---------- empty ---------- */
.post-empty{
  border:1.5px dashed #D8D1C5;border-radius:var(--r-card);background:#FCFAF6;
  padding:48px 24px;text-align:center;
}
.post-empty svg{color:var(--primary);margin-bottom:14px}
.post-empty h2{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:8px}
.post-empty p{font-size:15px;color:var(--muted);margin-bottom:20px}

/* ---------- actions ---------- */
.article-actions{
  margin-top:40px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;background:rgba(15,181,163,.1);color:var(--primary-dark);
  border:1px solid rgba(15,181,163,.18);
}
.tag:hover{background:var(--primary-soft);border-color:rgba(15,181,163,.45)}
.action-btns{display:flex;gap:10px;align-items:center}
.icon-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:var(--card);
  display:grid;place-items:center;color:var(--muted);cursor:pointer;transition:.2s;
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary-dark);background:var(--primary-soft);transform:translateY(-2px)}
.copy-tip{font-size:13px;color:var(--ok);opacity:0;transition:opacity .2s ease}
.copy-tip.show{opacity:1}

/* ---------- post nav ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.post-nav-item{
  display:block;padding:16px 18px;border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--card);box-shadow:var(--shadow-sm);transition:.2s;
}
.post-nav-item:hover{border-color:rgba(15,181,163,.45);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.post-nav-item.next{text-align:right}
.pn-label{display:block;font-size:12px;font-weight:600;color:var(--primary-dark);letter-spacing:.06em}
.pn-title{display:block;font-size:15px;font-weight:600;color:var(--ink);margin-top:4px;line-height:1.5}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:96px;align-self:start;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-sm);
}
.side-title{
  display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--ink);
  margin-bottom:14px;
}
.side-title::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--primary);transform:rotate(45deg)}
.side-posts{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.side-posts a{display:flex;gap:12px;align-items:flex-start}
.side-posts img{
  width:80px;height:60px;flex:0 0 80px;border-radius:10px;object-fit:cover;background:var(--primary-soft);
  transition:transform .2s ease;
}
.side-posts a:hover img{transform:scale(1.04)}
.side-posts strong{
  display:block;font-size:14px;font-weight:600;line-height:1.5;color:var(--ink);
  transition:color .2s ease;
}
.side-posts a:hover strong{color:var(--primary-dark)}
.side-posts em{display:block;font-style:normal;font-size:12px;color:var(--weak);margin-top:4px}
.side-cats{display:flex;flex-wrap:wrap;gap:8px}
.side-cat{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  font-size:13px;font-weight:600;color:var(--muted);border:1px solid var(--line);background:#FCFAF6;
  transition:.2s;
}
.side-cat:hover{color:var(--primary-dark);border-color:rgba(15,181,163,.45);background:var(--primary-soft)}
.side-note{font-size:13px;line-height:1.8;color:var(--muted);margin-bottom:14px}

/* ---------- related ---------- */
.related-section{padding:72px 0 0}
.related-section h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--ink);letter-spacing:.01em}
.related-section .sub{font-size:15px;color:var(--muted);margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:28px}
.rel-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(15,181,163,.35);box-shadow:var(--shadow-md)}
.rel-card .thumb{overflow:hidden;background:var(--primary-soft)}
.rel-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .thumb img{transform:scale(1.03)}
.rel-card .body{padding:20px}
.rel-card h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink)}
.rel-card:hover h3{color:var(--primary-dark)}
.rel-card p{font-size:14px;line-height:1.7;color:var(--muted);margin-top:8px}
.rel-card .more{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:13px;font-weight:600;color:var(--primary-dark);
}

/* ---------- cta band ---------- */
.cta-band{padding:72px 0 0}
.cta-box{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:
    radial-gradient(600px 300px at 85% 20%,rgba(15,181,163,.28),transparent 70%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat,
    var(--ink);
  color:#fff;padding:44px;display:flex;flex-wrap:wrap;gap:24px;
  align-items:center;justify-content:space-between;
  box-shadow:var(--shadow-md);
}
.cta-box::after{
  content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,22,25,.94),rgba(18,22,25,.68));
  z-index:0;
}
.cta-box > *{position:relative;z-index:1}
.cta-box h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:.01em;color:#fff;max-width:620px}
.cta-box p{font-size:15px;color:#B9C2C9;margin-top:10px;max-width:560px}
.cta-right{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.cta-right .hint{font-size:13px;color:#98A1AA}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C7CDD3;padding:64px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-desc{font-size:14px;line-height:1.9;color:#98A1AA;margin:16px 0}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.07);color:#C7CDD3;transition:.2s;
}
.footer-social a:hover{background:var(--primary);color:var(--ink)}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links a{font-size:14px;line-height:2;color:#98A1AA}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0 22px;
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:13px;color:#7D868F;
}
.site-footer .brand-name{color:#fff}
.site-footer .brand-sub{color:var(--primary)}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--primary);color:var(--ink);border:none;display:grid;place-items:center;
  cursor:pointer;box-shadow:0 14px 30px -14px rgba(15,181,163,.95);
  opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s;z-index:900;
}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{background:#0da695}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions{margin-left:auto}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .article-side{position:static}
  .side-posts{flex-direction:row;overflow-x:auto;gap:16px;padding-bottom:6px}
  .side-posts li{flex:0 0 240px}
  .related-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .article-hero{padding-top:24px}
  .article-head{padding:16px 0 26px}
  .related-section{padding-top:56px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{padding-top:56px}
  .cta-box{padding:28px}
  .cta-right{width:100%}
  .cta-right .btn{width:100%}
  .post-nav{grid-template-columns:1fr}
  .post-nav-item.next{text-align:left}
  .site-footer{margin-top:72px;padding-top:48px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-name{font-size:15px;letter-spacing:0}
  .brand-sub{font-size:10px;letter-spacing:.1em}
  .brand-mark{width:34px;height:34px;flex-basis:34px}
  .btn-nav{display:none}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .article-content{font-size:16px;line-height:1.9}
  .article-actions{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
  .to-top{right:16px;bottom:16px}
  .cta-box{padding:22px}
}

/* roulang page: category3 */
:root{
  --brand:#0FB5A3;
  --brand-deep:#087F72;
  --brand-soft:#E6F7F3;
  --coral:#FF6B4A;
  --coral-deep:#D94A2B;
  --lemon:#FFC94A;
  --ink:#121619;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --text:#1A1E22;
  --muted:#5C6570;
  --weak:#8B939C;
  --line:#E6E1D8;
  --ok:#2E9E6B;
  --err:#D64545;
  --r-sm:10px;
  --r-md:20px;
  --r-lg:28px;
  --shadow-sm:0 1px 2px rgba(18,22,25,.06), 0 12px 32px -12px rgba(18,22,25,.16);
  --shadow-hover:0 18px 40px -16px rgba(18,22,25,.24);
  --space:96px;
  --container:1200px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(15,181,163,.32);border-radius:var(--r-sm);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  height:72px;
  background:rgba(247,244,238,.97);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(120%) blur(2px);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:20px;
  justify-content:space-between;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  width:220px;
  flex:0 0 auto;
}
.brand-mark{
  width:36px;height:36px;
  border-radius:var(--r-sm);
  background:linear-gradient(140deg,var(--brand) 0%,#4ED9C6 100%);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -8px rgba(15,181,163,.85);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.01em;}
.brand-sub{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.18em;}

.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  flex-wrap:nowrap;
}
.nav-pill{
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  border-radius:999px;
  position:relative;
  white-space:nowrap;
  border:1px solid transparent;
}
.nav-pill:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-pill.active{
  background:rgba(15,181,163,.12);
  color:var(--brand-deep);
  border-color:rgba(15,181,163,.22);
}
.nav-pill.active::after{
  content:"";
  position:absolute;
  left:50%;transform:translateX(-50%);
  bottom:4px;
  width:18px;height:3px;
  border-radius:999px;
  background:var(--brand-deep);
}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 22px;
  background:var(--brand);
  color:var(--ink);
  font-size:15px;font-weight:700;
  border-radius:999px;
  border:none;
  box-shadow:0 10px 24px -14px rgba(15,181,163,.95);
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease;
  white-space:nowrap;
  flex:0 0 auto;
}
.header-cta:hover{
  background:var(--brand-deep);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 16px 30px -14px rgba(8,127,114,.9);
}
.header-cta:active{transform:translateY(0);}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  cursor:pointer;
  color:var(--ink);
}
.nav-close{
  width:40px;height:40px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:var(--card);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;
  color:var(--ink);
}
.nav-drawer{
  position:fixed;top:0;right:0;
  width:min(86vw,340px);
  height:100%;
  background:var(--bg);
  z-index:1200;
  transform:translateX(105%);
  transition:transform .3s ease;
  display:flex;flex-direction:column;
  padding:18px;
  box-shadow:-18px 0 40px -20px rgba(18,22,25,.4);
  overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-links{display:flex;flex-direction:column;gap:8px;}
.drawer-links a{
  display:flex;align-items:center;
  min-height:48px;padding:0 14px;
  border-radius:var(--r-sm);
  font-weight:600;font-size:16px;
  border:1px solid var(--line);
  background:var(--card);
}
.drawer-links a.active{background:rgba(15,181,163,.12);color:var(--brand-deep);border-color:rgba(15,181,163,.28);}
.drawer-foot{margin-top:auto;padding-top:18px;}
.drawer-foot .header-cta{width:100%;height:48px;}
.nav-mask{
  position:fixed;inset:0;
  background:rgba(18,22,25,.45);
  z-index:1100;
  opacity:0;visibility:hidden;
  transition:opacity .25s ease;
}
.nav-mask.open{opacity:1;visibility:visible;}

/* ---------- Breadcrumb ---------- */
.breadcrumb-bar{
  background:linear-gradient(180deg,#F2EEE6 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
  padding:18px 0;
}
.breadcrumb-list{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--weak);
}
.breadcrumb-list a{color:var(--muted);}
.breadcrumb-list a:hover{color:var(--brand-deep);}
.breadcrumb-list .sep{color:#C9C2B6;}
.breadcrumb-list .current{color:var(--brand-deep);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:72px 0 64px;
  overflow:hidden;
  background:
    radial-gradient(720px 380px at 88% 12%,rgba(15,181,163,.16),transparent 68%),
    radial-gradient(520px 320px at 6% 88%,rgba(255,107,74,.10),transparent 70%),
    var(--bg);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.10;
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(18,22,25,.10) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.35;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;
  background:var(--brand-soft);
  color:var(--brand-deep);
  border-radius:999px;
  font-size:12px;font-weight:700;
  letter-spacing:.04em;
  border:1px solid rgba(15,181,163,.22);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);}
.page-hero h1{
  margin-top:20px;
  font-size:clamp(34px,4.2vw,54px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:.01em;
  color:var(--ink);
}
.page-hero h1 span{color:var(--brand-deep);}
.hero-lead{
  margin-top:18px;
  font-size:17px;
  line-height:1.8;
  color:var(--muted);
  max-width:52ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  background:var(--brand);color:var(--ink);
  font-size:15px;font-weight:700;
  border-radius:999px;border:none;
  box-shadow:0 12px 26px -16px rgba(15,181,163,.95);
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease;
}
.btn-main:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(8,127,114,.9);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  background:transparent;color:var(--brand-deep);
  font-size:15px;font-weight:700;
  border-radius:999px;
  border:1.5px solid var(--brand);
  transition:background-color .2s ease,transform .2s ease,color .2s ease;
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}

.hero-media{position:relative;}
.hero-frame{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  background:var(--brand-soft);
  aspect-ratio:4/3;
}
.hero-frame img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.hero-frame:hover img{transform:scale(1.03);}
.hero-frame::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,22,25,0) 40%,rgba(18,22,25,.72) 100%);
}
.hero-frame-tag{
  position:absolute;left:18px;top:18px;z-index:2;
  padding:5px 12px;border-radius:999px;
  background:rgba(18,22,25,.72);
  color:#fff;font-size:12px;font-weight:600;
  letter-spacing:.04em;
}
.hero-frame-cap{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;color:#fff;
}
.hero-frame-cap strong{display:block;font-size:17px;font-weight:700;}
.hero-frame-cap small{font-size:13px;color:rgba(255,255,255,.82);}
.hero-badge-float{
  position:absolute;right:-14px;bottom:-18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  padding:12px 16px;
  display:flex;align-items:center;gap:10px;
  z-index:3;
}
.hero-badge-float .num{font-size:22px;font-weight:800;color:var(--brand-deep);line-height:1;font-variant-numeric:tabular-nums;}
.hero-badge-float .lbl{font-size:12px;color:var(--muted);line-height:1.4;}

/* ---------- Section base ---------- */
.section{padding:var(--space) 0;}
.section-alt{background:#FBF9F4;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:700;line-height:1.3;color:var(--ink);
  letter-spacing:.01em;
}
.section-head p{margin-top:12px;font-size:16px;color:var(--muted);line-height:1.8;}

/* ---------- Steps list ---------- */
.step-list{border-top:1px solid var(--line);}
.step-item{
  display:grid;
  grid-template-columns:120px 1fr auto;
  gap:28px;
  align-items:start;
  padding:28px 4px;
  border-bottom:1px solid var(--line);
  transition:transform .2s ease,background-color .2s ease;
}
.step-item:hover{transform:translateX(4px);background:rgba(230,247,243,.42);}
.step-num{
  font-size:48px;font-weight:800;line-height:1;
  color:transparent;
  -webkit-text-stroke:1.5px rgba(15,181,163,.55);
  font-variant-numeric:tabular-nums;
  padding-top:2px;
}
.step-body h3{font-size:20px;font-weight:700;color:var(--ink);line-height:1.4;}
.step-body p{margin-top:8px;font-size:15px;line-height:1.8;color:var(--muted);}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:999px;
  background:rgba(15,181,163,.10);
  color:var(--brand-deep);
  font-size:12px;font-weight:600;
}
.tag-warm{background:rgba(255,107,74,.12);color:var(--coral-deep);}
.tag-ink{background:rgba(18,22,25,.72);color:#fff;}
.step-arrow{
  color:var(--brand-deep);
  padding-top:8px;
  transition:transform .2s ease;
}
.step-item:hover .step-arrow{transform:translateX(4px);}

/* ---------- Compare table ---------- */
.table-wrap{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.cmp-table{width:100%;border-collapse:collapse;font-size:15px;}
.cmp-table thead th{
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-weight:700;
  font-size:14px;
  text-align:left;
  padding:16px 20px;
  border-bottom:1px solid rgba(15,181,163,.22);
  white-space:nowrap;
}
.cmp-table tbody td{
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  color:var(--muted);
  line-height:1.7;
  vertical-align:top;
}
.cmp-table tbody tr:nth-child(even){background:#FBFAF6;}
.cmp-table tbody tr:last-child td{border-bottom:none;}
.cmp-table tbody td:first-child{font-weight:700;color:var(--ink);}
.cmp-table a{color:var(--brand-deep);font-weight:600;border-bottom:1px dashed rgba(8,127,114,.42);}
.cmp-table a:hover{color:var(--coral-deep);border-color:rgba(217,74,43,.5);}

.notice-bar{
  margin-top:24px;
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 20px;
  border-radius:var(--r-md);
  background:#FFF7E1;
  border:1px solid #F3E2B4;
  color:#6B5417;
  font-size:14px;line-height:1.75;
}
.notice-bar .ico{flex:0 0 auto;color:#B98A12;margin-top:2px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.faq-wrap .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-md) !important;
  background:var(--card);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:0 1px 2px rgba(18,22,25,.04);
}
.faq-wrap .accordion-button{
  background:var(--card);
  color:var(--ink);
  font-size:16px;
  font-weight:600;
  padding:20px 56px 20px 22px;
  box-shadow:none;
  line-height:1.6;
}
.faq-wrap .accordion-button:not(.collapsed){
  background:var(--brand-soft);
  color:var(--brand-deep);
}
.faq-wrap .accordion-button::after{
  content:"+";
  font-size:22px;
  font-weight:400;
  line-height:1;
  width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  background-image:none !important;
  color:var(--brand-deep);
  border:1px solid rgba(15,181,163,.35);
  border-radius:50%;
  margin-left:auto;
  transition:transform .25s ease,background-color .25s ease;
  position:absolute;right:20px;
}
.faq-wrap .accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  background:var(--brand);
  color:#fff;
  border-color:var(--brand);
}
.faq-wrap .accordion-body{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
  background:var(--brand-soft);
}

/* ---------- Cross links ---------- */
.cross-links{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:999px;
  font-size:14px;font-weight:600;color:var(--text);
  transition:border-color .2s ease,color .2s ease,transform .2s ease,background-color .2s ease;
}
.chip:hover{border-color:rgba(15,181,163,.45);color:var(--brand-deep);background:var(--brand-soft);transform:translateY(-2px);}
.chip .chip-dot{width:6px;height:6px;border-radius:50%;background:var(--brand);}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  background:linear-gradient(135deg,#121619 0%,#1C2429 100%);
  color:#fff;
  padding:48px;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:32px;
  align-items:center;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.14;
}
.cta-band::after{
  content:"";
  position:absolute;
  width:420px;height:420px;right:-120px;top:-160px;
  background:radial-gradient(circle,rgba(15,181,163,.42),transparent 68%);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;line-height:1.35;color:#fff;
}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.76);max-width:46ch;}
.cta-right{display:flex;flex-direction:column;align-items:flex-start;gap:10px;}
.cta-right .btn-main{height:56px;padding:0 34px;font-size:16px;}
.cta-right small{font-size:13px;color:rgba(255,255,255,.6);}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
  margin-top:var(--space);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{width:auto;margin-bottom:18px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.52);}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:34ch;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:var(--r-sm);
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);
  color:rgba(255,255,255,.78);
  border:1px solid rgba(255,255,255,.10);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.footer-social a:hover{background:var(--brand);color:var(--ink);transform:translateY(-2px);}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:2px;}
.footer-links a{
  display:inline-block;
  font-size:14px;line-height:2;
  color:rgba(255,255,255,.66);
}
.footer-links a:hover{color:var(--brand);}
.footer-note{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);margin-bottom:12px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 24px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .dot-sep{margin:0 8px;color:rgba(255,255,255,.28);}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;
  width:44px;height:44px;border-radius:50%;
  background:var(--brand);color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  border:none;cursor:pointer;
  box-shadow:0 14px 28px -14px rgba(15,181,163,.95);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background-color .2s ease;
  z-index:900;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-deep);color:#fff;}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease;}
.reveal.in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .main-nav{gap:2px;}
  .nav-pill{padding:0 10px;font-size:14px;}
  .brand{width:190px;}
}
@media (max-width:991px){
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand{width:auto;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .page-hero{padding:48px 0 56px;}
  .hero-media{max-width:520px;}
  .hero-badge-float{right:12px;bottom:-16px;}
  .step-item{grid-template-columns:88px 1fr;gap:18px;}
  .step-arrow{display:none;}
  .cta-band{grid-template-columns:1fr;padding:36px;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  :root{--space:72px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .page-hero h1{font-size:34px;}
  .hero-lead{font-size:16px;}
  .step-num{font-size:40px;}
  .cmp-table thead{display:none;}
  .cmp-table,.cmp-table tbody,.cmp-table tr,.cmp-table td{display:block;width:100%;}
  .cmp-table tbody tr{
    border-bottom:1px solid var(--line);
    padding:16px 18px;
  }
  .cmp-table tbody td{
    border:none;padding:6px 0;
    display:flex;gap:12px;align-items:flex-start;
  }
  .cmp-table tbody td::before{
    content:attr(data-label);
    flex:0 0 76px;
    font-size:13px;font-weight:700;color:var(--brand-deep);
  }
  .cmp-table tbody td:first-child{padding-top:0;font-size:16px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:560px){
  .brand-name{font-size:15px;letter-spacing:0;}
  .brand-sub{font-size:10px;letter-spacing:.12em;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .step-item{grid-template-columns:1fr;gap:6px;padding:22px 2px;}
  .step-num{font-size:34px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;}
  .cta-right{width:100%;}
  .cta-right .btn-main{width:100%;}
  .to-top{right:16px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root {
      --brand: #0FB5A3;
      --brand-dark: #087F72;
      --brand-hover: #0EA394;
      --brand-soft: #E6F7F3;
      --accent: #FF6B4A;
      --accent-dark: #D94A2B;
      --lemon: #FFC94A;
      --ink: #121619;
      --bg: #F7F4EE;
      --card: #FFFFFF;
      --text: #1A1E22;
      --muted: #5C6570;
      --faint: #8B939C;
      --line: #E6E1D8;
      --success: #2E9E6B;
      --error: #D64545;
      --radius-sm: 10px;
      --radius-md: 20px;
      --radius-lg: 28px;
      --radius-pill: 999px;
      --shadow: 0 1px 2px rgba(18, 22, 25, .06), 0 12px 32px -12px rgba(18, 22, 25, .16);
      --shadow-hover: 0 18px 40px -16px rgba(18, 22, 25, .24);
      --container: 1200px;
      --section-space: 96px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 96px;
      -webkit-text-size-adjust: 100%;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

    body.menu-open {
      overflow: hidden;
    }

    h1, h2, h3, h4, p {
      margin-top: 0;
    }

    img {
      display: block;
      max-width: 100%;
    }

    a {
      color: var(--brand-dark);
      text-decoration: none;
      transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
    }

    a:hover {
      color: var(--brand-dark);
    }

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    ::selection {
      background: rgba(15, 181, 163, .26);
      color: var(--ink);
    }

    :focus-visible {
      outline: 3px solid rgba(15, 181, 163, .32);
      outline-offset: 2px;
    }

    [id] {
      scroll-margin-top: 96px;
    }

    .container {
      width: 100%;
      max-width: var(--container);
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .section {
      padding: var(--section-space) 0;
    }

    .section-tight {
      padding: 72px 0;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 30px;
    }

    .section-head h2 {
      margin: 8px 0 0;
      font-size: clamp(24px, 2.6vw, 34px);
      line-height: 1.3;
      font-weight: 700;
      color: var(--ink);
      letter-spacing: .01em;
    }

    .section-sub {
      max-width: 620px;
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.8;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 28px;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      background: var(--brand-soft);
      color: var(--brand-dark);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .08em;
    }

    .skip-link {
      position: absolute;
      left: 16px;
      top: -60px;
      z-index: 2000;
      padding: 10px 16px;
      border-radius: 0 0 10px 10px;
      background: var(--ink);
      color: #fff;
      font-size: 14px;
      font-weight: 600;
    }

    .skip-link:focus {
      top: 0;
      color: #fff;
    }

    /* Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1030;
      background: rgba(247, 244, 238, .96);
      border-bottom: 1px solid var(--line);
    }

    .header-inner {
      display: flex;
      align-items: center;
      gap: 20px;
      min-height: 72px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
      text-decoration: none;
    }

    .brand-mark {
      width: 36px;
      height: 36px;
      border-radius: var(--radius-sm);
      background: var(--brand-soft);
      border: 1px solid rgba(15, 181, 163, .18);
      display: grid;
      place-items: center;
      flex: 0 0 auto;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.1;
    }

    .brand-name {
      color: var(--ink);
      font-size: 17px;
      font-weight: 800;
      letter-spacing: .02em;
      white-space: nowrap;
    }

    .brand-sub {
      margin-top: 3px;
      color: var(--brand-dark);
      font-size: 10.5px;
      font-weight: 600;
      letter-spacing: .18em;
      white-space: nowrap;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      margin-left: auto;
    }

    .nav-pill {
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 10px 14px;
      border-radius: var(--radius-pill);
      color: var(--text);
      font-size: 15px;
      font-weight: 600;
      white-space: nowrap;
    }

    .nav-pill:hover {
      color: var(--brand-dark);
      background: var(--brand-soft);
    }

    .nav-pill.active {
      color: var(--brand-dark);
      background: rgba(15, 181, 163, .12);
    }

    .nav-pill.active::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 3px;
      width: 18px;
      height: 3px;
      border-radius: 3px;
      background: var(--brand);
      transform: translateX(-50%);
    }

    .btn-main,
    .btn-outline,
    .btn-ghost,
    .btn-line-light {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 0 24px;
      border-radius: var(--radius-pill);
      font-size: 15px;
      font-weight: 700;
      line-height: 1.2;
      text-align: center;
      text-decoration: none;
      border: 1px solid transparent;
      transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
    }

    .btn-main {
      background: var(--brand);
      color: var(--ink);
      box-shadow: 0 8px 20px -10px rgba(15, 181, 163, .85);
    }

    .btn-main:hover {
      color: var(--ink);
      background: var(--brand-hover);
      transform: translateY(-2px);
      box-shadow: 0 14px 28px -12px rgba(15, 181, 163, .9);
    }

    .btn-main:active {
      transform: translateY(0);
      box-shadow: 0 4px 12px -8px rgba(15, 181, 163, .8);
    }

    .btn-outline {
      background: transparent;
      color: var(--brand-dark);
      border: 1.5px solid var(--brand);
    }

    .btn-outline:hover {
      color: var(--brand-dark);
      background: var(--brand-soft);
      transform: translateY(-2px);
    }

    .btn-ghost {
      background: transparent;
      color: var(--brand-dark);
      border-color: transparent;
      padding-left: 12px;
      padding-right: 12px;
    }

    .btn-ghost:hover {
      color: var(--brand-dark);
      background: var(--brand-soft);
    }

    .btn-line-light {
      background: transparent;
      color: #FFFFFF;
      border: 1.5px solid rgba(255, 255, 255, .62);
    }

    .btn-line-light:hover {
      color: #FFFFFF;
      background: rgba(255, 255, 255, .12);
      transform: translateY(-2px);
    }

    .header-cta {
      min-height: 46px;
      padding: 0 20px;
      font-size: 14px;
      flex-shrink: 0;
    }

    .hamburger {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      border-radius: 50%;
      background: var(--card);
      color: var(--ink);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      flex-shrink: 0;
    }

    .hamburger span {
      display: block;
      width: 18px;
      height: 2px;
      border-radius: 2px;
      background: currentColor;
      transition: transform .2s ease, opacity .2s ease;
    }

    .hamburger:hover {
      border-color: rgba(15, 181, 163, .42);
      background: var(--brand-soft);
    }

    /* Mobile drawer */
    .drawer-overlay {
      position: fixed;
      inset: 0;
      z-index: 1040;
      background: rgba(18, 22, 25, .45);
      opacity: 0;
      visibility: hidden;
      transition: opacity .25s ease, visibility .25s ease;
    }

    .drawer-overlay.is-open {
      opacity: 1;
      visibility: visible;
    }

    .mobile-drawer {
      position: fixed;
      top: 0;
      right: 0;
      bottom: 0;
      z-index: 1050;
      width: min(86vw, 340px);
      display: flex;
      flex-direction: column;
      background: var(--bg);
      box-shadow: -20px 0 40px rgba(18, 22, 25, .18);
      transform: translateX(100%);
      transition: transform .28s ease;
    }

    .mobile-drawer.is-open {
      transform: translateX(0);
    }

    .drawer-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 20px;
      border-bottom: 1px solid var(--line);
    }

    .drawer-close {
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      border-radius: 50%;
      background: var(--card);
      color: var(--ink);
      display: grid;
      place-items: center;
      flex-shrink: 0;
    }

    .drawer-close:hover {
      background: var(--brand-soft);
      border-color: rgba(15, 181, 163, .35);
    }

    .drawer-nav {
      display: flex;
      flex-direction: column;
      gap: 4px;
      padding: 16px 14px;
      overflow-y: auto;
    }

    .drawer-link {
      display: flex;
      align-items: center;
      min-height: 48px;
      padding: 0 14px;
      border-radius: 12px;
      color: var(--text);
      font-size: 15px;
      font-weight: 600;
    }

    .drawer-link:hover,
    .drawer-link.active {
      color: var(--brand-dark);
      background: var(--brand-soft);
    }

    .drawer-link.active {
      box-shadow: inset 3px 0 0 var(--brand);
    }

    .drawer-foot {
      margin-top: auto;
      padding: 16px 20px 24px;
      border-top: 1px solid var(--line);
      background: var(--card);
    }

    .drawer-note {
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 12px;
      text-align: center;
    }

    /* Hero */
    .page-hero {
      position: relative;
      overflow: hidden;
      padding: 72px 0 80px;
      color: #FFFFFF;
      background: var(--ink);
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 0;
      background-image:
        linear-gradient(90deg, rgba(18, 22, 25, .94) 0%, rgba(18, 22, 25, .78) 52%, rgba(18, 22, 25, .42) 100%),
        url("/assets/images/backpic/back-1.webp");
      background-position: center;
      background-size: cover;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 0;
      pointer-events: none;
      background:
        radial-gradient(circle at 88% 20%, rgba(15, 181, 163, .28), transparent 34%),
        linear-gradient(180deg, transparent 58%, rgba(18, 22, 25, .68) 100%);
    }

    .hero-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
      gap: 56px;
      align-items: center;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      margin: 0 0 22px;
      padding: 0;
      list-style: none;
      font-size: 13px;
      color: rgba(255, 255, 255, .66);
    }

    .breadcrumb li {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .breadcrumb li + li::before {
      content: "/";
      color: rgba(255, 255, 255, .38);
    }

    .breadcrumb a {
      color: rgba(255, 255, 255, .8);
    }

    .breadcrumb a:hover {
      color: var(--brand);
    }

    .breadcrumb .current {
      color: #FFFFFF;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 30px;
      padding: 4px 13px;
      margin-bottom: 18px;
      border-radius: var(--radius-pill);
      background: rgba(15, 181, 163, .2);
      border: 1px solid rgba(15, 181, 163, .36);
      color: #C9FFF7;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .08em;
    }

    .page-hero h1 {
      max-width: 760px;
      margin: 0 0 18px;
      font-size: clamp(34px, 4.2vw, 56px);
      line-height: 1.15;
      font-weight: 800;
      letter-spacing: .01em;
      color: #FFFFFF;
    }

    .hero-lead {
      max-width: 600px;
      margin: 0 0 28px;
      color: rgba(255, 255, 255, .82);
      font-size: 17px;
      line-height: 1.8;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 30px;
    }

    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 16px 22px;
      color: rgba(255, 255, 255, .76);
      font-size: 14px;
    }

    .hero-meta span {
      display: inline-flex;
      align-items: center;
      gap: 7px;
    }

    .hero-meta svg {
      color: var(--brand);
      flex-shrink: 0;
    }

    .hero-poster {
      position: relative;
      width: min(100%, 340px);
      margin-left: auto;
      aspect-ratio: 9 / 16;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, .22);
      border-radius: var(--radius-lg);
      background: var(--brand-soft);
      box-shadow: 0 28px 60px -20px rgba(0, 0, 0, .55);
    }

    .hero-poster img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .hero-poster::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(18, 22, 25, 0) 38%, rgba(18, 22, 25, .84) 100%);
    }

    .poster-tag {
      position: absolute;
      top: 18px;
      left: 18px;
      z-index: 2;
      min-height: 28px;
      padding: 4px 11px;
      border-radius: var(--radius-pill);
      background: rgba(18, 22, 25, .72);
      color: #FFFFFF;
      font-size: 12px;
      font-weight: 600;
      backdrop-filter: blur(4px);
    }

    .poster-play {
      position: absolute;
      top: 50%;
      left: 50%;
      z-index: 2;
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: rgba(247, 244, 238, .94);
      color: var(--ink);
      display: grid;
      place-items: center;
      transform: translate(-50%, -50%);
      box-shadow: 0 12px 30px -10px rgba(0, 0, 0, .5);
      transition: transform .2s ease, background-color .2s ease;
    }

    .poster-play:hover {
      color: var(--ink);
      transform: translate(-50%, -50%) scale(1.06);
      background: #FFFFFF;
    }

    .poster-info {
      position: absolute;
      left: 20px;
      right: 20px;
      bottom: 20px;
      z-index: 2;
    }

    .poster-title {
      margin: 0 0 4px;
      color: #FFFFFF;
      font-size: 18px;
      line-height: 1.45;
      font-weight: 700;
    }

    .poster-sub {
      margin: 0;
      color: rgba(255, 255, 255, .72);
      font-size: 13px;
      line-height: 1.6;
    }

    /* Anchor and feature layout */
    .anchor-layout {
      display: grid;
      grid-template-columns: 280px minmax(0, 1fr);
      gap: 40px;
      align-items: start;
    }

    .anchor-card {
      position: sticky;
      top: 96px;
      padding: 22px;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow);
    }

    .anchor-card h2 {
      margin: 0;
      color: var(--ink);
      font-size: 17px;
      font-weight: 700;
    }

    .anchor-list {
      display: grid;
      gap: 4px;
      margin: 14px 0 0;
      padding: 0;
      list-style: none;
    }

    .anchor-link {
      display: flex;
      align-items: center;
      min-height: 42px;
      padding: 0 12px;
      border: 1px solid transparent;
      border-radius: var(--radius-sm);
      color: var(--muted);
      font-size: 14px;
      font-weight: 600;
      line-height: 1.4;
    }

    .anchor-link:hover {
      color: var(--brand-dark);
      background: var(--brand-soft);
    }

    .anchor-link.is-active {
      color: var(--brand-dark);
      background: var(--brand-soft);
      border-color: rgba(15, 181, 163, .22);
    }

    .anchor-note {
      margin: 16px 0 0;
      padding-top: 14px;
      border-top: 1px solid var(--line);
      color: var(--faint);
      font-size: 12.5px;
      line-height: 1.7;
    }

    .feature-stack {
      display: grid;
      gap: 28px;
    }

    .feature-row {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
      gap: 40px;
      align-items: center;
      padding: 34px;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 24px;
      box-shadow: var(--shadow);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .feature-row:hover {
      transform: translateY(-3px);
      border-color: rgba(15, 181, 163, .35);
      box-shadow: var(--shadow-hover);
    }

    .feature-row.reverse .feature-media {
      order: -1;
    }

    .feature-kicker {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      margin-bottom: 12px;
      color: var(--brand-dark);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .1em;
    }

    .feature-kicker::before {
      content: "";
      width: 18px;
      height: 3px;
      border-radius: 3px;
      background: var(--brand);
    }

    .feature-copy h2 {
      margin: 0 0 14px;
      color: var(--ink);
      font-size: clamp(24px, 2.2vw, 30px);
      line-height: 1.32;
      font-weight: 700;
    }

    .feature-copy p {
      margin: 0 0 12px;
      color: var(--muted);
      font-size: 15.5px;
      line-height: 1.85;
    }

    .check-list {
      display: grid;
      gap: 10px;
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
    }

    .check-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--text);
      font-size: 14.5px;
      line-height: 1.65;
      font-weight: 500;
    }

    .check-ico {
      display: inline-grid;
      place-items: center;
      width: 22px;
      height: 22px;
      margin-top: 1px;
      border-radius: 50%;
      background: var(--brand-soft);
      color: var(--brand-dark);
      flex: 0 0 auto;
    }

    .feature-media {
      min-width: 0;
    }

    .media-frame {
      position: relative;
      overflow: hidden;
      aspect-ratio: 4 / 3;
      border: 1px solid var(--line);
      border-radius: 18px;
      background:
        radial-gradient(circle, rgba(15, 181, 163, .18) 1px, transparent 1px) 0 0 / 14px 14px,
        var(--brand-soft);
    }

    .media-frame img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .35s ease;
    }

    .feature-row:hover .media-frame img {
      transform: scale(1.03);
    }

    .media-tag {
      position: absolute;
      left: 14px;
      bottom: 14px;
      min-height: 26px;
      padding: 3px 10px;
      border-radius: var(--radius-pill);
      background: rgba(18, 22, 25, .72);
      color: #FFFFFF;
      font-size: 11.5px;
      font-weight: 600;
      letter-spacing: .03em;
    }

    .media-caption {
      margin: 10px 0 0;
      color: var(--faint);
      font-size: 12.5px;
      line-height: 1.6;
    }

    /* Quick strip */
    .quick-band {
      padding: 10px 24px;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 24px;
      box-shadow: var(--shadow);
    }

    .quick-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .quick-item {
      padding: 22px 20px;
      border-left: 1px solid var(--line);
    }

    .quick-item:first-child {
      padding-left: 0;
      border-left: 0;
    }

    .quick-item:last-child {
      padding-right: 0;
    }

    .quick-num {
      color: var(--brand-dark);
      font-size: 12.5px;
      font-weight: 800;
      letter-spacing: .14em;
      font-variant-numeric: tabular-nums;
    }

    .quick-item h3 {
      margin: 7px 0 4px;
      color: var(--ink);
      font-size: 17px;
      line-height: 1.4;
      font-weight: 700;
    }

    .quick-item p {
      margin: 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.65;
    }

    /* Process */
    .soft-band {
      background: var(--brand-soft);
      border-top: 1px solid rgba(15, 181, 163, .14);
      border-bottom: 1px solid rgba(15, 181, 163, .14);
    }

    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 24px;
    }

    .process-step {
      position: relative;
      padding: 24px;
      background: rgba(255, 255, 255, .76);
      border: 1px solid rgba(15, 181, 163, .2);
      border-radius: 18px;
    }

    .process-step:not(:last-child)::after {
      content: "";
      position: absolute;
      top: 46px;
      right: -17px;
      width: 32px;
      border-top: 2px dashed rgba(8, 127, 114, .32);
    }

    .process-num {
      display: grid;
      place-items: center;
      width: 44px;
      height: 44px;
      margin-bottom: 16px;
      border-radius: 50%;
      background: var(--brand);
      color: var(--ink);
      font-size: 15px;
      font-weight: 800;
      font-variant-numeric: tabular-nums;
      box-shadow: 0 8px 20px -10px rgba(15, 181, 163, .9);
    }

    .process-step h3 {
      margin: 0 0 7px;
      color: var(--ink);
      font-size: 18px;
      line-height: 1.4;
      font-weight: 700;
    }

    .process-step p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

    /* FAQ */
    .faq-wrap {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-wrap .accordion-item {
      margin-bottom: 12px;
      overflow: hidden;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 16px;
      box-shadow: 0 1px 2px rgba(18, 22, 25, .04);
    }

    .faq-wrap .accordion-item:last-child {
      margin-bottom: 0;
    }

    .faq-wrap .accordion-header {
      margin: 0;
    }

    .faq-wrap .accordion-button {
      display: flex;
      align-items: center;
      gap: 16px;
      width: 100%;
      min-height: 66px;
      padding: 18px 22px;
      background: var(--card);
      color: var(--text);
      font-size: 16px;
      font-weight: 600;
      line-height: 1.55;
      text-align: left;
      border: 0;
      border-radius: 16px;
      box-shadow: none;
    }

    .faq-wrap .accordion-button::after {
      display: none;
    }

    .faq-wrap .accordion-button:not(.collapsed) {
      color: var(--brand-dark);
      background: var(--brand-soft);
      box-shadow: none;
    }

    .faq-wrap .accordion-button:focus {
      box-shadow: none;
      border-color: transparent;
    }

    .faq-wrap .accordion-button:focus-visible {
      outline: 3px solid rgba(15, 181, 163, .32);
      outline-offset: -3px;
    }

    .faq-plus {
      position: relative;
      display: inline-block;
      width: 20px;
      height: 20px;
      margin-left: auto;
      flex: 0 0 auto;
      transition: transform .25s ease;
    }

    .faq-plus::before,
    .faq-plus::after {
      content: "";
      position: absolute;
      top: 50%;
      left: 50%;
      border-radius: 2px;
      background: var(--brand-dark);
      transform: translate(-50%, -50%);
    }

    .faq-plus::before {
      width: 14px;
      height: 2px;
    }

    .faq-plus::after {
      width: 2px;
      height: 14px;
    }

    .faq-wrap .accordion-button:not(.collapsed) .faq-plus {
      transform: rotate(45deg);
    }

    .faq-wrap .accordion-body {
      padding: 0 22px 22px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.85;
      background: var(--brand-soft);
    }

    /* Chips */
    .chip-panel {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      padding: 26px 28px;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 22px;
      box-shadow: var(--shadow);
    }

    .chip-panel h2 {
      margin: 0;
      color: var(--ink);
      font-size: 20px;
      line-height: 1.4;
      font-weight: 700;
    }

    .chip-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .chip-link {
      display: inline-flex;
      align-items: center;
      min-height: 40px;
      padding: 0 17px;
      border: 1px solid var(--line);
      border-radius: var(--radius-pill);
      background: var(--card);
      color: var(--text);
      font-size: 14px;
      font-weight: 600;
    }

    .chip-link:hover {
      color: var(--brand-dark);
      background: var(--brand-soft);
      border-color: rgba(15, 181, 163, .42);
      transform: translateY(-1px);
    }

    /* CTA */
    .cta-section {
      padding: 0 0 96px;
    }

    .cta-card {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 36px;
      overflow: hidden;
      padding: 48px;
      border-radius: var(--radius-lg);
      color: #FFFFFF;
      background-image:
        linear-gradient(112deg, rgba(18, 22, 25, .96) 0%, rgba(18, 22, 25, .84) 58%, rgba(18, 22, 25, .68) 100%),
        url("/assets/images/backpic/back-2.webp");
      background-position: center;
      background-size: cover;
      box-shadow: 0 24px 54px -24px rgba(18, 22, 25, .5);
    }

    .cta-card::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background:
        radial-gradient(circle at 84% 30%, rgba(15, 181, 163, .32), transparent 28%),
        radial-gradient(circle, rgba(247, 244, 238, .13) 1px, transparent 1px) 0 0 / 16px 16px;
      opacity: .75;
    }

    .cta-copy,
    .cta-actions {
      position: relative;
      z-index: 1;
    }

    .cta-copy {
      max-width: 640px;
    }

    .cta-copy h2 {
      margin: 0 0 10px;
      color: #FFFFFF;
      font-size: clamp(25px, 3vw, 36px);
      line-height: 1.3;
      font-weight: 800;
    }

    .cta-copy p {
      margin: 0;
      color: rgba(255, 255, 255, .74);
      font-size: 15px;
      line-height: 1.75;
    }

    .cta-actions {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      flex: 0 0 auto;
    }

    .cta-actions .btn-main {
      min-height: 56px;
      padding: 0 34px;
      font-size: 16px;
    }

    .cta-note {
      margin: 0;
      color: rgba(255, 255, 255, .58);
      font-size: 12.5px;
      white-space: nowrap;
    }

    /* Footer */
    .site-footer {
      background: var(--ink);
      color: rgba(247, 244, 238, .72);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding: 64px 0 48px;
    }

    .footer-brand .brand-name {
      color: #FFFFFF;
    }

    .footer-brand .brand-sub {
      color: var(--brand);
    }

    .footer-brand .brand-mark {
      background: rgba(15, 181, 163, .16);
      border-color: rgba(15, 181, 163, .3);
    }

    .footer-brand .brand-mark svg * {
      fill: #FFFFFF;
    }

    .footer-desc {
      margin: 18px 0 20px;
      color: rgba(247, 244, 238, .62);
      font-size: 14px;
      line-height: 1.9;
    }

    .footer-social {
      display: flex;
      gap: 10px;
    }

    .footer-social a {
      display: grid;
      place-items: center;
      width: 36px;
      height: 36px;
      border: 1px solid rgba(247, 244, 238, .2);
      border-radius: 50%;
      color: rgba(247, 244, 238, .78);
      background: rgba(255, 255, 255, .03);
    }

    .footer-social a:hover {
      color: var(--ink);
      background: var(--brand);
      border-color: var(--brand);
      transform: translateY(-2px);
    }

    .footer-title {
      margin: 4px 0 16px;
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 700;
      letter-spacing: .02em;
    }

    .footer-links {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .footer-links li {
      line-height: 2;
    }

    .footer-links a {
      color: rgba(247, 244, 238, .68);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--brand);
    }

    .footer-note {
      margin: 14px 0 0;
      color: rgba(247, 244, 238, .44);
      font-size: 12.5px;
      line-height: 1.8;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px 24px;
      flex-wrap: wrap;
      padding: 20px 0;
      border-top: 1px solid rgba(247, 244, 238, .12);
      color: rgba(247, 244, 238, .5);
      font-size: 13px;
    }

    .footer-bottom p {
      margin: 0;
    }

    .footer-domain {
      color: rgba(247, 244, 238, .62);
      font-variant-numeric: tabular-nums;
    }

    /* Back to top */
    .back-top {
      position: fixed;
      right: 24px;
      bottom: 24px;
      z-index: 1020;
      display: grid;
      place-items: center;
      width: 44px;
      height: 44px;
      border: 0;
      border-radius: 50%;
      background: var(--brand);
      color: var(--ink);
      box-shadow: 0 12px 26px -12px rgba(18, 22, 25, .55);
      opacity: 0;
      visibility: hidden;
      transform: translateY(10px);
      transition: opacity .2s ease, visibility .2s ease, transform .2s ease, background-color .2s ease;
    }

    .back-top.is-visible {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .back-top:hover {
      background: var(--brand-hover);
      transform: translateY(-2px);
    }

    .reveal-init {
      opacity: 0;
      transform: translateY(12px);
      transition: opacity .4s ease, transform .4s ease;
    }

    .reveal-init.is-visible {
      opacity: 1;
      transform: translateY(0);
    }

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }

      *,
      *::before,
      *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
      }

      .reveal-init {
        opacity: 1;
        transform: none;
      }
    }

    @media (max-width: 1100px) {
      .main-nav {
        display: none;
      }

      .hamburger {
        display: inline-flex;
      }

      .header-cta {
        margin-left: auto;
      }

      .anchor-layout {
        grid-template-columns: 240px minmax(0, 1fr);
        gap: 28px;
      }

      .feature-row {
        gap: 28px;
        padding: 28px;
      }
    }

    @media (min-width: 1101px) {
      .mobile-drawer,
      .drawer-overlay {
        display: none;
      }
    }

    @media (max-width: 991px) {
      :root {
        --section-space: 72px;
      }

      .hero-inner {
        grid-template-columns: 1fr;
        gap: 38px;
      }

      .hero-content {
        max-width: 760px;
      }

      .hero-poster {
        width: min(64vw, 320px);
        margin: 0 auto;
      }

      .anchor-layout {
        grid-template-columns: 1fr;
      }

      .anchor-card {
        position: static;
      }

      .anchor-list {
        display: flex;
        gap: 8px;
        overflow-x: auto;
        padding-bottom: 4px;
        scrollbar-width: none;
        scroll-snap-type: x proximity;
      }

      .anchor-list::-webkit-scrollbar {
        display: none;
      }

      .anchor-list li {
        flex: 0 0 auto;
        scroll-snap-align: start;
      }

      .anchor-link {
        min-height: 40px;
        padding: 0 15px;
        white-space: nowrap;
        background: var(--card);
        border-color: var(--line);
      }

      .feature-row {
        grid-template-columns: 1fr;
        padding: 24px;
      }

      .feature-row.reverse .feature-media {
        order: 0;
      }

      .process-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .process-step:nth-child(2)::after {
        display: none;
      }

      .quick-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .quick-item {
        border-top: 1px solid var(--line);
      }

      .quick-item:nth-child(1),
      .quick-item:nth-child(2) {
        border-top: 0;
      }

      .quick-item:nth-child(3) {
        border-left: 0;
        padding-left: 0;
      }

      .quick-item:nth-child(4) {
        padding-right: 0;
      }

      .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 767px) {
      :root {
        --section-space: 56px;
      }

      .container {
        padding-left: 20px;
        padding-right: 20px;
      }

      .header-inner {
        gap: 12px;
      }

      .page-hero {
        padding: 48px 0 56px;
      }

      .page-hero h1 {
        font-size: clamp(32px, 7vw, 44px);
      }

      .hero-lead {
        font-size: 16px;
      }

      .hero-actions {
        margin-bottom: 24px;
      }

      .section-head {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
        margin-bottom: 24px;
      }

      .feature-row {
        padding: 20px;
        border-radius: 20px;
      }

      .feature-copy h2 {
        font-size: 24px;
      }

      .quick-band {
        padding: 4px 20px;
      }

      .quick-grid {
        grid-template-columns: 1fr;
      }

      .quick-item {
        padding: 18px 0;
        border-left: 0;
        border-top: 1px solid var(--line);
      }

      .quick-item:first-child {
        border-top: 0;
      }

      .quick-item:nth-child(3) {
        padding-left: 0;
      }

      .process-grid {
        grid-template-columns: 1fr;
      }

      .process-step::after {
        display: none !important;
      }

      .chip-panel {
        align-items: flex-start;
        flex-direction: column;
        padding: 22px;
      }

      .cta-section {
        padding-bottom: 72px;
      }

      .cta-card {
        align-items: flex-start;
        flex-direction: column;
        padding: 32px 24px;
        border-radius: 24px;
      }

      .cta-actions {
        width: 100%;
        align-items: stretch;
      }

      .cta-actions .btn-main {
        width: 100%;
      }

      .cta-note {
        white-space: normal;
        text-align: center;
      }

      .footer-grid {
        gap: 30px 20px;
        padding: 48px 0 36px;
      }

      .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
      }

      .back-top {
        right: 16px;
        bottom: 16px;
      }
    }

    @media (max-width: 560px) {
      .header-cta {
        display: none;
      }

      .hamburger {
        margin-left: auto;
      }

      .brand-name {
        font-size: 16px;
      }

      .brand-sub {
        font-size: 9.5px;
      }

      .hero-actions {
        align-items: stretch;
        flex-direction: column;
      }

      .hero-actions .btn-main,
      .hero-actions .btn-line-light {
        width: 100%;
      }

      .hero-meta {
        gap: 10px 16px;
        font-size: 13px;
      }

      .poster-title {
        font-size: 16px;
      }

      .anchor-card {
        padding: 18px;
      }

      .feature-row {
        padding: 18px;
      }

      .faq-wrap .accordion-button {
        min-height: 60px;
        padding: 16px 18px;
        font-size: 15px;
      }

      .faq-wrap .accordion-body {
        padding: 0 18px 18px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

/* roulang page: category4 */
:root{
    --brand:#0FB5A3;
    --brand-dark:#087F72;
    --brand-soft:#E6F7F3;
    --accent:#FF6B4A;
    --accent-dark:#D94A2B;
    --lemon:#FFC94A;
    --ink:#121619;
    --ink-soft:#1D2327;
    --bg:#F7F4EE;
    --card:#FFFFFF;
    --text:#1A1E22;
    --muted:#5C6570;
    --weak:#8B939C;
    --line:#E6E1D8;
    --ok:#2E9E6B;
    --err:#D64545;
    --r-sm:10px;
    --r-md:20px;
    --r-lg:28px;
    --shadow-1:0 1px 2px rgba(18,22,25,.06),0 12px 32px -12px rgba(18,22,25,.16);
    --shadow-2:0 18px 40px -16px rgba(18,22,25,.24);
    --space-section:96px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--text);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{max-width:100%;display:block;border:0;}
  a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
  h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:.01em;font-weight:700;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  button{font-family:inherit;}
  ::selection{background:rgba(15,181,163,.24);}
  :focus-visible{outline:3px solid rgba(15,181,163,.32);outline-offset:3px;border-radius:8px;}

  .container{
    max-width:1200px;
    padding-left:24px;
    padding-right:24px;
    margin-left:auto;
    margin-right:auto;
  }
  @media (max-width:768px){
    .container{padding-left:20px;padding-right:20px;}
  }
  @media (max-width:520px){
    .container{padding-left:16px;padding-right:16px;}
  }

  /* ---------- Header / Nav ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:1030;
    background:rgba(247,244,238,.97);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    display:flex;
    align-items:center;
    gap:18px;
    min-height:72px;
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .brand-mark{
    width:36px;
    height:36px;
    border-radius:10px;
    background:var(--brand);
    display:grid;
    place-items:center;
    box-shadow:0 8px 18px -10px rgba(15,181,163,.95);
    transition:transform .2s ease;
  }
  .brand:hover .brand-mark{transform:translateY(-2px) rotate(-3deg);}
  .brand-text{display:flex;flex-direction:column;line-height:1.12;}
  .brand-name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.01em;}
  .brand-sub{font-size:11px;color:var(--muted);letter-spacing:.18em;}

  .main-nav{
    display:flex;
    align-items:center;
    gap:2px;
    margin-left:auto;
  }
  .nav-pill{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:44px;
    padding:10px 14px;
    border-radius:999px;
    font-size:15px;
    font-weight:600;
    color:var(--text);
    white-space:nowrap;
    transition:background-color .2s ease,color .2s ease;
  }
  .nav-pill:hover{background:var(--brand-soft);color:var(--brand-dark);}
  .nav-pill.active{
    background:rgba(15,181,163,.12);
    color:var(--brand-dark);
  }
  .nav-pill.active::after{
    content:"";
    position:absolute;
    left:50%;
    bottom:5px;
    transform:translateX(-50%);
    width:18px;
    height:3px;
    border-radius:2px;
    background:var(--brand-dark);
  }
  .nav-cta{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    height:46px;
    padding:0 22px;
    margin-left:14px;
    border-radius:999px;
    background:var(--brand);
    color:var(--ink);
    font-size:15px;
    font-weight:700;
    white-space:nowrap;
    box-shadow:0 10px 22px -12px rgba(15,181,163,.95);
    transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease;
  }
  .nav-cta:hover{
    background:var(--brand-dark);
    color:#fff;
    transform:translateY(-2px);
    box-shadow:0 16px 28px -14px rgba(8,127,114,.9);
  }
  .nav-cta:active{transform:translateY(0);}

  .menu-toggle{
    display:none;
    width:44px;
    height:44px;
    margin-left:auto;
    border:1px solid var(--line);
    border-radius:12px;
    background:#fff;
    align-items:center;
    justify-content:center;
    cursor:pointer;
    transition:background-color .2s ease,border-color .2s ease;
  }
  .menu-toggle:hover{background:var(--brand-soft);border-color:rgba(15,181,163,.4);}

  @media (max-width:1100px){
    .main-nav{display:none;}
    .nav-cta{display:none;}
    .menu-toggle{display:inline-flex;}
  }

  /* ---------- 移动抽屉 ---------- */
  .drawer-mask{
    position:fixed;
    inset:0;
    background:rgba(18,22,25,.45);
    opacity:0;
    visibility:hidden;
    transition:opacity .25s ease,visibility .25s ease;
    z-index:1040;
  }
  .drawer-mask.open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;
    top:0;
    right:0;
    height:100%;
    width:min(86vw,340px);
    background:var(--bg);
    border-left:1px solid var(--line);
    transform:translateX(102%);
    transition:transform .28s ease;
    z-index:1050;
    display:flex;
    flex-direction:column;
    padding:18px 18px 20px;
  }
  .drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);}
  .drawer-close{
    width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
    display:grid;place-items:center;cursor:pointer;color:var(--muted);
  }
  .drawer-close:hover{background:var(--brand-soft);color:var(--brand-dark);}
  .drawer-nav{display:flex;flex-direction:column;gap:4px;padding:16px 0;overflow-y:auto;flex:1;}
  .drawer-nav a{
    display:flex;
    align-items:center;
    height:48px;
    padding:0 14px;
    border-radius:12px;
    font-size:16px;
    font-weight:600;
    color:var(--text);
  }
  .drawer-nav a:hover{background:var(--brand-soft);color:var(--brand-dark);}
  .drawer-nav a.active{background:rgba(15,181,163,.12);color:var(--brand-dark);}
  .drawer-cta{width:100%;height:48px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:var(--brand);color:var(--ink);font-weight:700;box-shadow:0 12px 24px -14px rgba(15,181,163,.95);}

  /* ---------- 按钮 ---------- */
  .btn-main,.btn-outline{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:48px;
    padding:0 26px;
    border-radius:999px;
    font-size:15px;
    font-weight:700;
    border:0;
    cursor:pointer;
    transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  }
  .btn-main{
    background:var(--brand);
    color:var(--ink);
    box-shadow:0 12px 26px -14px rgba(15,181,163,.95);
  }
  .btn-main:hover{
    background:var(--brand-dark);
    color:#fff;
    transform:translateY(-2px);
    box-shadow:0 18px 32px -16px rgba(8,127,114,.9);
  }
  .btn-main:active{transform:translateY(0);}
  .btn-outline{
    background:transparent;
    border:1.5px solid var(--brand);
    color:var(--brand-dark);
  }
  .btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px);}
  .btn-outline:active{transform:translateY(0);}
  .btn-quiet{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:700;
    color:var(--brand-dark);
    padding:8px 4px;
    border-radius:8px;
  }
  .btn-quiet:hover{color:var(--accent-dark);}
  .btn-quiet svg{transition:transform .2s ease;}
  .btn-quiet:hover svg{transform:translateX(3px);}

  /* ---------- 面包屑 ---------- */
  .crumb{
    display:flex;
    align-items:center;
    gap:8px;
    flex-wrap:wrap;
    font-size:13px;
    color:var(--muted);
    padding:24px 0 18px;
  }
  .crumb a{color:var(--muted);}
  .crumb a:hover{color:var(--brand-dark);}
  .crumb .sep{color:var(--weak);}
  .crumb .current{color:var(--brand-dark);font-weight:600;}

  /* ---------- Hero ---------- */
  .page-hero{
    position:relative;
    border-radius:var(--r-lg);
    overflow:hidden;
    background:var(--ink);
    color:#fff;
    padding:52px 48px 48px;
    display:flex;
    align-items:center;
    min-height:340px;
  }
  .page-hero-bg{
    position:absolute;
    inset:0;
    background-image:url("/assets/images/backpic/back-1.webp");
    background-size:cover;
    background-position:center;
    opacity:.6;
  }
  .page-hero-veil{
    position:absolute;
    inset:0;
    background:linear-gradient(100deg,rgba(18,22,25,.95) 0%,rgba(18,22,25,.86) 44%,rgba(18,22,25,.42) 100%);
  }
  .page-hero-inner{position:relative;z-index:2;max-width:740px;}
  .hero-badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 14px;
    border-radius:999px;
    background:rgba(255,255,255,.14);
    border:1px solid rgba(255,255,255,.22);
    color:#fff;
    font-size:12px;
    font-weight:600;
    letter-spacing:.04em;
  }
  .hero-badge .dot-live{
    width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(15,181,163,.24);
  }
  .page-hero h1{
    color:#fff;
    font-size:clamp(32px,4.2vw,52px);
    line-height:1.15;
    font-weight:800;
    margin:18px 0 14px;
  }
  .hero-lead{
    font-size:clamp(15px,1.5vw,17px);
    line-height:1.8;
    color:rgba(255,255,255,.82);
    max-width:560px;
  }
  .hero-meta{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:26px;
  }
  .hero-meta span{
    display:inline-flex;
    align-items:center;
    gap:7px;
    padding:7px 14px;
    border-radius:999px;
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.16);
    font-size:13px;
    color:rgba(255,255,255,.9);
  }
  .hero-meta svg{color:var(--brand);}
  @media (max-width:768px){
    .page-hero{padding:36px 24px 34px;min-height:0;border-radius:24px;}
    .hero-meta span{font-size:12px;padding:6px 12px;}
  }

  /* ---------- 通用板块 ---------- */
  .section{padding:var(--space-section) 0;}
  .section--tight{padding-top:56px;padding-bottom:64px;}
  .section--paper{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:32px;
  }
  .section-head h2{
    font-size:clamp(24px,2.6vw,34px);
    line-height:1.3;
    font-weight:700;
  }
  .section-sub{
    margin-top:10px;
    font-size:15px;
    color:var(--muted);
    max-width:640px;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12px;
    font-weight:700;
    letter-spacing:.14em;
    color:var(--brand-dark);
    text-transform:uppercase;
    margin-bottom:12px;
  }
  .eyebrow::before{
    content:"";
    width:22px;
    height:2px;
    border-radius:2px;
    background:var(--brand);
  }
  @media (max-width:768px){
    :root{--space-section:72px;}
    .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px;}
  }
  @media (max-width:520px){
    :root{--space-section:56px;}
  }

  /* ---------- 四步安全卡 ---------- */
  .step-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:24px;
  }
  .step-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    padding:20px;
    box-shadow:var(--shadow-1);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .step-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-2);
    border-color:rgba(15,181,163,.35);
  }
  .step-media{
    position:relative;
    border-radius:14px;
    overflow:hidden;
    aspect-ratio:16/9;
    background:var(--brand-soft);
  }
  .step-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .5s ease;
  }
  .step-card:hover .step-media img{transform:scale(1.03);}
  .step-num{
    position:absolute;
    top:12px;
    left:12px;
    width:38px;
    height:38px;
    border-radius:12px;
    background:rgba(255,255,255,.94);
    color:var(--brand-dark);
    font-size:15px;
    font-weight:800;
    display:grid;
    place-items:center;
    letter-spacing:.02em;
    box-shadow:0 8px 18px -10px rgba(18,22,25,.6);
  }
  .step-card h3{
    font-size:20px;
    line-height:1.4;
    margin:16px 0 8px;
  }
  .step-card p{
    font-size:15px;
    line-height:1.75;
    color:var(--muted);
  }
  .step-tip{
    display:flex;
    align-items:flex-start;
    gap:8px;
    margin-top:14px;
    padding:10px 12px;
    border-radius:12px;
    background:var(--brand-soft);
    color:var(--brand-dark);
    font-size:13px;
    line-height:1.6;
  }
  .step-tip svg{flex-shrink:0;margin-top:2px;}
  @media (max-width:860px){
    .step-grid{grid-template-columns:1fr;}
  }

  /* ---------- 浏览器示意框 ---------- */
  .browser-frame{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    overflow:hidden;
    box-shadow:var(--shadow-1);
  }
  .browser-bar{
    display:flex;
    align-items:center;
    gap:8px;
    padding:12px 16px;
    background:#FBFAF6;
    border-bottom:1px solid var(--line);
  }
  .browser-bar .dot{width:10px;height:10px;border-radius:50%;background:#DCD6CB;}
  .browser-bar .dot:nth-child(1){background:#FF6B4A;}
  .browser-bar .dot:nth-child(2){background:#FFC94A;}
  .browser-bar .dot:nth-child(3){background:#0FB5A3;}
  .browser-url{
    flex:1;
    margin-left:10px;
    height:30px;
    border-radius:999px;
    background:#F1EEE7;
    color:var(--weak);
    font-size:12px;
    display:flex;
    align-items:center;
    padding:0 14px;
    font-variant-numeric:tabular-nums;
  }
  .browser-body img{width:100%;height:auto;aspect-ratio:16/8;object-fit:cover;}
  .figure-note{
    font-size:13px;
    line-height:1.7;
    color:var(--weak);
    margin-top:12px;
  }

  /* ---------- 注意事项 ---------- */
  .notice-card{
    background:#FFFBEC;
    border:1px solid #F2E4B8;
    border-radius:var(--r-md);
    padding:30px 32px;
  }
  .notice-card h3{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:20px;
    line-height:1.4;
    margin-bottom:16px;
  }
  .notice-card h3 .badge-icon{
    width:34px;height:34px;border-radius:10px;background:rgba(255,201,74,.32);
    display:grid;place-items:center;color:#8A6300;
  }
  .notice-list{display:grid;gap:12px;}
  .notice-list li{
    display:flex;
    gap:10px;
    align-items:flex-start;
    font-size:15px;
    line-height:1.75;
    color:#4A4230;
  }
  .notice-list svg{flex-shrink:0;margin-top:4px;color:#B58A1B;}
  @media (max-width:768px){
    .notice-card{padding:22px 20px;}
  }

  /* ---------- 自查清单 ---------- */
  .check-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:14px;
  }
  .check-item{
    display:flex;
    align-items:flex-start;
    gap:12px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:14px;
    padding:16px 18px;
    font-size:15px;
    line-height:1.7;
    transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .check-item:hover{border-color:rgba(15,181,163,.4);transform:translateY(-2px);box-shadow:var(--shadow-1);}
  .check-item .tick{
    flex-shrink:0;
    width:24px;height:24px;border-radius:8px;background:var(--brand-soft);
    display:grid;place-items:center;color:var(--brand-dark);margin-top:2px;
  }
  @media (max-width:768px){
    .check-grid{grid-template-columns:1fr;}
  }

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:880px;}
  .ayx-faq .accordion-item{
    border:1px solid var(--line);
    border-radius:14px;
    background:#fff;
    margin-bottom:12px;
    overflow:hidden;
    box-shadow:none;
  }
  .ayx-faq .accordion-item:has(.accordion-button:not(.collapsed)){
    border-color:rgba(15,181,163,.45);
    background:var(--brand-soft);
  }
  .ayx-faq .accordion-button{
    width:100%;
    padding:18px 20px;
    font-size:16px;
    font-weight:600;
    color:var(--ink);
    background:transparent;
    box-shadow:none;
    border:0;
    line-height:1.6;
    text-align:left;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
  }
  .ayx-faq .accordion-button:focus{box-shadow:none;outline:3px solid rgba(15,181,163,.32);outline-offset:-4px;}
  .ayx-faq .accordion-button::after{
    flex-shrink:0;
    width:26px;
    height:26px;
    border-radius:8px;
    background-color:rgba(15,181,163,.16);
    background-image:
      linear-gradient(var(--brand-dark),var(--brand-dark)),
      linear-gradient(var(--brand-dark),var(--brand-dark));
    background-repeat:no-repeat;
    background-position:center center,center center;
    background-size:12px 2px,2px 12px;
    transition:transform .25s ease,background-color .25s ease;
  }
  .ayx-faq .accordion-button:not(.collapsed){
    color:var(--brand-dark);
    background:transparent;
  }
  .ayx-faq .accordion-button:not(.collapsed)::after{
    transform:rotate(45deg);
    background-color:rgba(15,181,163,.28);
  }
  .ayx-faq .accordion-body{
    padding:0 20px 20px;
    font-size:15px;
    line-height:1.85;
    color:var(--muted);
  }
  @media (max-width:520px){
    .ayx-faq .accordion-button{font-size:15px;padding:16px;}
    .ayx-faq .accordion-body{padding:0 16px 16px;}
  }

  /* ---------- CTA 带 ---------- */
  .cta-band{padding:0 0 var(--space-section);}
  .cta-inner{
    position:relative;
    overflow:hidden;
    border-radius:var(--r-lg);
    background:var(--ink);
    color:#fff;
    padding:52px 48px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:36px;
  }
  .cta-bg{
    position:absolute;
    inset:0;
    background-image:url("/assets/images/backpic/back-2.webp");
    background-size:cover;
    background-position:center;
    opacity:.28;
  }
  .cta-glow{
    position:absolute;
    right:-80px;
    top:-90px;
    width:340px;
    height:340px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(15,181,163,.4) 0%,rgba(15,181,163,0) 68%);
  }
  .cta-copy{position:relative;z-index:2;max-width:620px;}
  .cta-copy h2{
    color:#fff;
    font-size:clamp(24px,2.6vw,34px);
    line-height:1.3;
  }
  .cta-copy p{
    margin-top:12px;
    font-size:15px;
    line-height:1.8;
    color:rgba(255,255,255,.78);
  }
  .cta-action{
    position:relative;
    z-index:2;
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
    flex-shrink:0;
  }
  .cta-action .btn-main{height:56px;padding:0 34px;font-size:16px;}
  .cta-note{font-size:13px;color:rgba(255,255,255,.62);}
  @media (max-width:900px){
    .cta-inner{flex-direction:column;align-items:flex-start;padding:36px 24px;gap:24px;}
    .cta-action{width:100%;}
    .cta-action .btn-main{width:100%;}
  }

  /* ---------- 交叉链接 ---------- */
  .cross-links{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:10px;
    padding:0 0 var(--space-section);
  }
  .cross-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--weak);margin-right:4px;}
  .chip{
    display:inline-flex;
    align-items:center;
    height:40px;
    padding:0 18px;
    border-radius:999px;
    background:#fff;
    border:1px solid var(--line);
    font-size:14px;
    font-weight:600;
    color:var(--text);
    transition:border-color .2s ease,color .2s ease,background-color .2s ease,transform .2s ease;
  }
  .chip:hover{
    border-color:var(--brand);
    background:var(--brand-soft);
    color:var(--brand-dark);
    transform:translateY(-2px);
  }

  /* ---------- Footer ---------- */
  .site-footer{
    background:var(--ink);
    color:#C6CDD2;
    padding:72px 0 0;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.7fr 1fr 1fr 1.2fr;
    gap:44px;
    padding-bottom:48px;
  }
  .site-footer .brand{margin-bottom:18px;}
  .site-footer .brand-name{color:#fff;}
  .site-footer .brand-sub{color:#8B939C;}
  .site-footer .brand-mark{background:var(--brand);}
  .site-footer .brand-mark svg rect,
  .site-footer .brand-mark svg path{fill:#121619;}
  .footer-desc{font-size:14px;line-height:1.9;color:#A9B2B8;}
  .footer-social{display:flex;gap:10px;margin-top:20px;}
  .footer-social a{
    width:38px;height:38px;border-radius:12px;
    border:1px solid rgba(255,255,255,.16);
    display:grid;place-items:center;
    color:#C6CDD2;
    transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  }
  .footer-social a:hover{background:var(--brand);color:var(--ink);border-color:var(--brand);transform:translateY(-2px);}
  .footer-title{
    color:#fff;
    font-size:15px;
    font-weight:700;
    margin-bottom:16px;
    letter-spacing:.02em;
  }
  .footer-links li a{
    display:inline-block;
    padding:5px 0;
    font-size:14px;
    line-height:2;
    color:#C6CDD2;
  }
  .footer-links li a:hover{color:var(--brand);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);
    padding:20px 0 26px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:10px;
    font-size:13px;
    color:#8B939C;
  }
  .footer-bottom .domain{font-variant-numeric:tabular-nums;}
  @media (max-width:1024px){
    .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  }
  @media (max-width:560px){
    .site-footer{padding-top:52px;}
    .footer-grid{grid-template-columns:1fr;gap:30px;}
  }

  /* ---------- 返回顶部 ---------- */
  .to-top{
    position:fixed;
    right:24px;
    bottom:24px;
    width:44px;
    height:44px;
    border-radius:50%;
    border:0;
    background:var(--brand);
    color:var(--ink);
    display:grid;
    place-items:center;
    cursor:pointer;
    box-shadow:0 14px 28px -14px rgba(15,181,163,.95);
    opacity:0;
    visibility:hidden;
    transform:translateY(12px);
    transition:opacity .25s ease,visibility .25s ease,transform .25s ease,background-color .2s ease;
    z-index:1020;
  }
  .to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
  .to-top:hover{background:var(--brand-dark);color:#fff;}
  @media (max-width:520px){
    .to-top{right:16px;bottom:16px;}
  }

  /* ---------- 入场动效 ---------- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease;}
  .reveal.in{opacity:1;transform:translateY(0);}
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
    .reveal{opacity:1;transform:none;transition:none;}
    *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  }

/* roulang page: category5 */
:root{
  --teal:#0FB5A3;
  --teal-d:#087F72;
  --teal-l:#E6F7F3;
  --coral:#FF6B4A;
  --coral-d:#D94A2B;
  --lemon:#FFC94A;
  --ink:#121619;
  --text:#1A1E22;
  --muted:#5C6570;
  --faint:#8B939C;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --line:#E6E1D8;
  --ok:#2E9E6B;
  --err:#D64545;
  --r-s:10px;
  --r-m:20px;
  --r-l:26px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(18,22,25,.06),0 12px 32px -12px rgba(18,22,25,.16);
  --sh2:0 18px 40px -16px rgba(18,22,25,.24);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--teal-d)}
button{font:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:.01em;font-weight:700}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(15,181,163,.32);border-radius:6px}
.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:24px}
.section{padding:88px 0}
.section-head{max-width:720px;margin-bottom:34px}
.section-title{font-size:clamp(24px,2.6vw,32px);line-height:1.3;margin-bottom:10px}
.section-sub{color:var(--muted);font-size:15px;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--teal-l);color:var(--teal-d);
  font-size:12px;font-weight:600;letter-spacing:.08em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--teal)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(247,244,238,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(6px);
}
.header-inner{display:flex;align-items:center;gap:14px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:var(--r-s);
  background:var(--teal-l);border:1px solid rgba(15,181,163,.28);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-name{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.16em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-pill{
  position:relative;height:44px;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--muted);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-pill:hover{background:var(--teal-l);color:var(--teal-d)}
.nav-pill.active{background:rgba(15,181,163,.12);color:var(--teal-d)}
.nav-pill.active::after{
  content:"";position:absolute;left:50%;bottom:4px;
  transform:translateX(-50%);
  width:18px;height:3px;border-radius:2px;background:var(--teal);
}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary-x{background:var(--teal);color:var(--ink);box-shadow:0 10px 24px -14px rgba(15,181,163,.95)}
.btn-primary-x:hover{background:var(--teal-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh2)}
.btn-primary-x:active{transform:translateY(0)}
.btn-ghost-x{background:transparent;border-color:var(--teal);color:var(--teal-d)}
.btn-ghost-x:hover{background:var(--teal-l);transform:translateY(-2px)}
.btn-ghost-x:active{transform:translateY(0)}
.btn-dark-x{background:var(--ink);color:#fff}
.btn-dark-x:hover{background:#000;color:#fff;transform:translateY(-2px);box-shadow:var(--sh2)}
.header-cta{margin-left:10px;height:46px;padding:0 20px}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  border:1px solid var(--line);border-radius:12px;background:#fff;
  align-items:center;justify-content:center;color:var(--ink);
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,22,25,.45);
  opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:1100;
}
.drawer-mask.show{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);
  background:var(--bg);z-index:1200;display:flex;flex-direction:column;
  padding:18px;transform:translateX(105%);
  transition:transform .3s ease;box-shadow:-24px 0 60px rgba(18,22,25,.22);
}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--muted);display:grid;place-items:center;font-size:18px;line-height:1;
}
.drawer-links{display:flex;flex-direction:column;gap:6px}
.drawer-links a{
  display:flex;align-items:center;height:48px;padding:0 14px;
  border-radius:12px;font-size:15px;font-weight:600;color:var(--text);
}
.drawer-links a:hover{background:var(--teal-l);color:var(--teal-d)}
.drawer-links a.active{background:rgba(15,181,163,.12);color:var(--teal-d)}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}
.drawer-foot .btn-x{width:100%}
.drawer-tip{font-size:12px;color:var(--faint);margin:10px 0 0;text-align:center}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:60px 0 76px;background:linear-gradient(180deg,#FBF9F4 0%,#F1F7F5 100%)}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(560px 420px at 88% 12%,rgba(15,181,163,.20),transparent 70%),
    radial-gradient(420px 320px at 6% 88%,rgba(255,201,74,.20),transparent 72%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center}
.crumb{font-size:13px;color:var(--faint);margin-bottom:18px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--teal-d)}
.crumb .sep{color:#C9C3B8}
.crumb .cur{color:var(--teal-d);font-weight:600}
.hero-title{
  font-size:clamp(34px,4.2vw,52px);font-weight:800;line-height:1.15;
  margin:18px 0 16px;color:var(--ink);
}
.hero-title .accent{color:var(--teal-d)}
.hero-lead{font-size:17px;color:var(--muted);max-width:32em;margin:0}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 14px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--muted);
}
.meta-chip svg{color:var(--teal-d);flex:0 0 auto}
.hero-card{
  background:var(--ink);border-radius:var(--r-l);padding:14px;
  box-shadow:var(--sh2);color:#fff;position:relative;
}
.hero-card img{border-radius:18px;width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-card-body{padding:16px 8px 6px}
.hero-card-title{font-size:16px;font-weight:700;color:#fff;margin:0 0 6px}
.hero-card-desc{font-size:13px;line-height:1.7;color:rgba(255,255,255,.68);margin:0}
.hero-card-tag{
  position:absolute;top:26px;left:26px;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(18,22,25,.72);color:#fff;font-size:12px;font-weight:600;
  backdrop-filter:blur(4px);
}

/* ---------- faq layout ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:32px;align-items:start}
.anchor-nav{
  position:sticky;top:96px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-m);padding:22px;box-shadow:var(--sh1);
}
.toc-title{font-size:12px;letter-spacing:.18em;color:var(--faint);font-weight:700;margin:0 0 14px}
.anchor-link{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;
  border-radius:12px;font-size:14px;font-weight:600;color:var(--muted);
  transition:background .2s ease,color .2s ease;
}
.anchor-link:hover{background:var(--teal-l);color:var(--teal-d)}
.anchor-link .num{
  width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  background:var(--teal-l);color:var(--teal-d);font-size:11px;font-weight:700;flex:0 0 auto;
}
.anchor-note{margin:16px 0 0;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--faint);line-height:1.7}

.faq-group-title{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--ink);
  margin:0 0 14px;padding-left:12px;border-left:4px solid var(--teal);
}
.faq-group{margin-bottom:34px}
.faq-group:last-child{margin-bottom:0}
.faq-group-sub{font-size:13px;color:var(--faint);margin:-6px 0 16px;padding-left:16px}

.accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.accordion-item:hover{border-color:rgba(15,181,163,.4);box-shadow:var(--sh2)}
.accordion-button{
  position:relative;width:100%;text-align:left;
  padding:18px 56px 18px 20px;border:0;background:transparent;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.55;
  box-shadow:none!important;border-radius:16px!important;
  transition:background .2s ease,color .2s ease;
}
.accordion-button:not(.collapsed){background:var(--teal-l);color:var(--teal-d)}
.accordion-button::after{display:none!important}
.pm{
  position:absolute;right:18px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:50%;
  background:rgba(15,181,163,.14);
  transition:transform .25s ease,background .25s ease;
}
.pm::before,.pm::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--teal-d);border-radius:2px;transform:translate(-50%,-50%);
}
.pm::before{width:11px;height:2px}
.pm::after{width:2px;height:11px}
.accordion-button:not(.collapsed) .pm{transform:translateY(-50%) rotate(45deg);background:var(--teal)}
.accordion-button:not(.collapsed) .pm::before,
.accordion-button:not(.collapsed) .pm::after{background:#fff}
.accordion-body{
  padding:6px 20px 20px;font-size:15px;line-height:1.8;color:var(--muted);
}
.accordion-body strong{color:var(--text);font-weight:600}
.accordion-body a{color:var(--teal-d);font-weight:600;border-bottom:1px solid rgba(15,181,163,.4)}
.accordion-body a:hover{border-bottom-color:var(--teal-d)}

/* ---------- tips ---------- */
.tips-wrap{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tip-card{
  background:#FDFCFA;border:1px solid var(--line);border-radius:var(--r-m);
  padding:24px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.tip-card:hover{transform:translateY(-4px);border-color:rgba(15,181,163,.4);box-shadow:var(--sh2)}
.tip-num{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--teal-l);color:var(--teal-d);font-size:14px;font-weight:800;margin-bottom:14px;
}
.tip-card h3{font-size:17px;margin-bottom:8px}
.tip-card p{font-size:14px;color:var(--muted);line-height:1.75;margin:0}

/* ---------- form ---------- */
.form-layout{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  padding:32px;box-shadow:var(--sh1);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column}
.field.full{grid-column:1/-1}
.field label{font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px}
.field label .req{color:var(--coral-d)}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;font-size:15px;font-family:inherit;
  color:var(--text);background:#FDFCFA;border:1.5px solid var(--line);
  border-radius:12px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:auto;min-height:132px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#B3AEA4}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--teal);background:#fff;
  box-shadow:0 0 0 4px rgba(15,181,163,.16);outline:none;
}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--err);background:#FFF7F6}
.err-msg{display:none;font-size:13px;color:var(--err);margin-top:6px}
.field.invalid .err-msg{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);line-height:1.7}
.check-row input{width:18px;height:18px;flex:0 0 auto;margin-top:3px;accent-color:var(--teal)}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px}
.form-hint{font-size:13px;color:var(--faint);margin:0}
.form-ok{
  display:none;align-items:flex-start;gap:10px;margin-top:18px;
  padding:14px 16px;border-radius:12px;background:#EDF8F2;
  border:1px solid rgba(46,158,107,.32);color:#1D6A49;font-size:14px;line-height:1.7;
}
.form-ok.show{display:flex}
.form-ok svg{flex:0 0 auto;margin-top:2px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;box-shadow:var(--sh1);
}
.side-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.side-card-body{padding:24px}
.side-card h3{font-size:18px;margin-bottom:12px}
.side-list li{
  display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.75;
  padding:9px 0;border-bottom:1px dashed var(--line);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list .mark{
  flex:0 0 auto;width:18px;height:18px;border-radius:50%;
  background:var(--teal-l);color:var(--teal-d);display:grid;place-items:center;
  font-size:11px;font-weight:800;margin-top:4px;
}
.side-foot{
  margin-top:16px;padding:12px 14px;border-radius:12px;
  background:rgba(255,201,74,.16);border:1px solid rgba(255,201,74,.5);
  font-size:13px;color:#7A5710;line-height:1.7;
}

/* ---------- chips / cross links ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 18px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:var(--muted);
  transition:transform .2s ease,border-color .2s ease,background .2s ease,color .2s ease;
}
.chip:hover{border-color:var(--teal);background:var(--teal-l);color:var(--teal-d);transform:translateY(-2px)}
.chip svg{color:var(--teal-d)}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);border-radius:28px;
  padding:46px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--sh2);
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.16;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,181,163,.55),transparent 68%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.3;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin:0;max-width:34em}
.cta-band .btn-x{height:56px;padding:0 32px;flex:0 0 auto}
.cta-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.cta-side small{font-size:12px;color:rgba(255,255,255,.55)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#fff;padding:68px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.5)}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18)}
.footer-desc{font-size:13px;line-height:1.9;color:rgba(255,255,255,.6);margin:0 0 18px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.78);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.footer-social a:hover{background:var(--teal);color:var(--ink);transform:translateY(-2px)}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin:0 0 16px;letter-spacing:.04em}
.footer-links li{margin-bottom:4px}
.footer-links a{font-size:14px;line-height:2;color:rgba(255,255,255,.65)}
.footer-links a:hover{color:var(--teal)}
.footer-contact li{font-size:14px;line-height:2;color:rgba(255,255,255,.65)}
.footer-contact span{color:rgba(255,255,255,.45)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom .dotline{display:flex;gap:18px;flex-wrap:wrap}

/* back top */
.back-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--teal);color:var(--ink);border:0;display:grid;place-items:center;
  box-shadow:var(--sh2);z-index:900;opacity:0;pointer-events:none;
  transform:translateY(8px);transition:opacity .25s ease,transform .25s ease,background .2s ease;
}
.back-top.show{opacity:1;pointer-events:auto;transform:none}
.back-top:hover{background:var(--teal-d);color:#fff}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .section{padding:76px 0}
  .hero-grid{gap:32px}
}
@media (max-width:991px){
  .main-nav,.header-cta{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-card{max-width:460px}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .anchor-nav{position:static}
  .anchor-nav .anchor-links{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
  .anchor-nav .anchor-links::-webkit-scrollbar{display:none}
  .anchor-link{flex:0 0 auto;height:40px;padding:0 14px;border:1px solid var(--line);background:#FDFCFA}
  .anchor-note{display:none}
  .form-layout{grid-template-columns:1fr}
  .tip-grid{grid-template-columns:1fr 1fr}
  .cta-band{flex-direction:column;align-items:stretch;padding:36px 28px;gap:24px}
  .cta-side{align-items:stretch}
  .cta-band .btn-x{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:68px 0}
}
@media (max-width:767px){
  .container{padding-inline:20px}
  .page-hero{padding:44px 0 56px}
  .hero-title{font-size:clamp(30px,7.6vw,38px)}
  .hero-lead{font-size:16px}
  .section{padding:56px 0}
  .tip-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:24px 20px;border-radius:var(--r-m)}
  .accordion-button{font-size:15px;padding:16px 52px 16px 16px}
  .accordion-body{padding:4px 16px 18px;font-size:14.5px}
  .faq-group-title{font-size:17px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-band{border-radius:22px;padding:30px 22px}
  .back-top{right:16px;bottom:16px}
}
@media (max-width:520px){
  .brand-name{font-size:15px}
  .brand-sub{font-size:10px;letter-spacing:.12em}
  .hero-meta{gap:8px}
  .meta-chip{height:34px;font-size:12px;padding:0 12px}
  .btn-x{width:100%;padding:0 20px}
  .hero-card{max-width:100%}
  .crumb{font-size:12px}
}