/* roulang page: index */
:root{
  --brand-a:#12C7A0;
  --brand-b:#6C5CE7;
  --accent:#FF7A3D;
  --bg:#F7F8FB;
  --card:#FFFFFF;
  --dark:#101326;
  --dark-2:#141833;
  --text:#151825;
  --text-2:#5A5F73;
  --text-3:#8A90A6;
  --line:#E6E8F0;
  --line-dark:rgba(255,255,255,.10);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-xs:12px;
  --sh-1:0 8px 24px rgba(16,19,38,.06);
  --sh-2:0 16px 40px rgba(16,19,38,.12);
  --sh-brand:0 10px 24px rgba(18,199,160,.28);
  --grad:linear-gradient(135deg,#12C7A0 0%,#6C5CE7 100%);
  --grad-soft:linear-gradient(135deg,rgba(18,199,160,.12) 0%,rgba(108,92,231,.12) 100%);
  --container:1200px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{letter-spacing:0;line-height:1.25}
table{border-collapse:collapse;width:100%}
::selection{background:rgba(18,199,160,.24)}
:focus-visible{outline:2px solid var(--brand-a);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.25}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-a);letter-spacing:.02em;margin-bottom:12px}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--grad)}
.link-more{font-size:14px;font-weight:600;color:var(--brand-a);display:inline-flex;align-items:center;gap:6px;transition:gap .18s ease,color .18s ease}
.link-more:hover{gap:10px;color:#0eae8c}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,248,251,.86);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(16,19,38,.05)}
.nav-inner{height:var(--nav-h);display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px;
  box-shadow:0 6px 16px rgba(18,199,160,.32);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text b{font-size:19px;font-weight:800;letter-spacing:.01em}
.logo-text span{font-size:11px;color:var(--text-3);font-weight:500;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:8px 12px;border-radius:10px;transition:color .18s ease,background .18s ease;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--text);background:rgba(18,199,160,.08)}
.nav-links a.is-active{color:var(--brand-a);font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:var(--grad);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;
  color:#0d7f68;background:rgba(18,199,160,.12);border:1px solid rgba(18,199,160,.26);
  padding:6px 12px;border-radius:999px;white-space:nowrap;
}
.status-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-a);position:relative}
.status-pill .dot::after{
  content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid rgba(18,199,160,.5);
  animation:breathe 2s ease-in-out infinite;
}
@keyframes breathe{0%,100%{transform:scale(.8);opacity:.9}50%{transform:scale(1.35);opacity:0}}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.2s}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;padding:12px 24px;border-radius:999px;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-brand)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 30px rgba(18,199,160,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(18,199,160,.24)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(255,122,61,.30)}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,122,61,.22)}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-ghost:hover{border-color:rgba(18,199,160,.5);color:#0d7f68;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0);box-shadow:none}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#1a1e3a;transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 72px}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(760px 380px at 8% -10%,rgba(18,199,160,.16),transparent 65%),
    radial-gradient(680px 400px at 92% 6%,rgba(108,92,231,.16),transparent 68%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;min-height:560px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.pill{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;
  padding:6px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);
  color:var(--text-2);box-shadow:var(--sh-1);
}
.pill-brand{background:rgba(18,199,160,.10);border-color:rgba(18,199,160,.26);color:#0d7f68}
.pill-brand .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-a)}
.hero h1{font-size:clamp(30px,4.6vw,50px);font-weight:700;line-height:1.15;margin-bottom:20px}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--text-2);max-width:540px;line-height:1.8;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.trust-row{display:flex;flex-wrap:wrap;gap:12px 26px}
.trust-row li{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text-2);font-weight:500}
.tick{
  width:20px;height:20px;border-radius:50%;background:rgba(18,199,160,.14);
  display:grid;place-items:center;flex-shrink:0;
}
.tick svg{width:11px;height:11px;stroke:#0d7f68;stroke-width:2.6;fill:none;stroke-linecap:round;stroke-linejoin:round}

.hero-media{position:relative}
.media-frame{
  position:relative;border-radius:26px;overflow:hidden;
  box-shadow:0 26px 60px rgba(16,19,38,.18);
  background:#e9ecf5;aspect-ratio:4/3.2;
}
.media-frame img{width:100%;height:100%;object-fit:cover;border-radius:0}
.media-mask{
  position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(18,199,160,.30) 0%,rgba(16,19,38,.10) 45%,rgba(108,92,231,.42) 100%);
}
.float-badge{
  position:absolute;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);
  border-radius:16px;padding:12px 16px;box-shadow:0 14px 32px rgba(16,19,38,.20);
  display:flex;flex-direction:column;gap:2px;min-width:118px;
}
.float-badge b{font-size:20px;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums;line-height:1.2}
.float-badge span{font-size:12px;color:var(--text-3);font-weight:500}
.fb-1{top:22px;left:22px}
.fb-2{top:110px;right:22px}
.countdown-card{
  position:absolute;left:22px;right:22px;bottom:22px;
  background:rgba(16,19,38,.82);backdrop-filter:blur(10px);
  border:1px solid var(--line-dark);border-radius:18px;padding:16px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.countdown-card .cd-label{font-size:12.5px;color:rgba(255,255,255,.72);font-weight:500;display:flex;align-items:center;gap:8px}
.countdown-card .cd-label i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}
.cd-nums{display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums}
.cd-unit{display:flex;flex-direction:column;align-items:center;min-width:42px}
.cd-unit b{font-size:20px;font-weight:800;color:#fff;line-height:1.1}
.cd-unit span{font-size:10.5px;color:rgba(255,255,255,.6);margin-top:3px}
.cd-sep{color:rgba(255,255,255,.35);font-weight:700;padding-bottom:12px}

/* ---------- stat strip ---------- */
.stat-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat-inner{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;padding:26px 24px}
.stat-item{display:flex;flex-direction:column;gap:2px;padding-left:18px;border-left:3px solid rgba(18,199,160,.24)}
.stat-item:nth-child(2){border-left-color:rgba(108,92,231,.30)}
.stat-item:nth-child(3){border-left-color:rgba(255,122,61,.34)}
.stat-item:nth-child(4){border-left-color:rgba(18,199,160,.24)}
.stat-item:nth-child(5){border-left-color:rgba(108,92,231,.30)}
.stat-item b{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2}
.stat-item b em{font-style:normal;font-size:14px;color:var(--text-3);font-weight:600;margin-left:3px}
.stat-item span{font-size:13px;color:var(--text-3)}

/* ---------- features ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.fcard{
  grid-column:span 6;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  display:flex;flex-direction:column;gap:14px;
}
.fcard--small{grid-column:span 3;padding:24px;border-radius:var(--r-md)}
.fcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,199,160,.35)}
.ico-pill{
  width:46px;height:46px;border-radius:14px;background:var(--grad-soft);
  display:grid;place-items:center;color:#0d7f68;flex-shrink:0;
}
.fcard--small .ico-pill{width:40px;height:40px;border-radius:12px}
.ico-pill svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.fcard h3{font-size:20px;font-weight:700}
.fcard--small h3{font-size:17px}
.fcard p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.fcard .card-foot{margin-top:auto;padding-top:6px}
.fcard--wide{position:relative;overflow:hidden}
.fcard--wide::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,199,160,.14),transparent 70%);
}

/* ---------- demo ---------- */
.demo-wrap{background:#fff;border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:var(--sh-1);display:grid;grid-template-columns:300px 1fr;gap:28px}
.demo-steps{display:flex;flex-direction:column;gap:10px;align-self:start}
.demo-step{
  text-align:left;display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;border-radius:16px;border:1px solid transparent;background:var(--bg);
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.demo-step:hover{background:#fff;border-color:rgba(18,199,160,.35);transform:translateY(-1px)}
.demo-step .step-no{
  width:26px;height:26px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;font-size:12.5px;font-weight:700;color:var(--text-3);flex-shrink:0;
  transition:.18s;
}
.demo-step .step-txt b{display:block;font-size:15px;font-weight:600;color:var(--text);margin-bottom:3px}
.demo-step .step-txt span{font-size:13px;color:var(--text-3);line-height:1.7;display:block}
.demo-step.is-active{background:var(--grad-soft);border-color:rgba(18,199,160,.42);box-shadow:0 8px 22px rgba(18,199,160,.14)}
.demo-step.is-active .step-no{background:var(--grad);color:#fff;border-color:transparent}
.demo-step.is-active .step-txt b{color:#0d7f68}
.demo-stage{position:relative;border-radius:24px;overflow:hidden;background:#eef0f7;box-shadow:0 0 0 1px rgba(18,199,160,.16),0 0 44px rgba(108,92,231,.22);min-height:340px}
.demo-stage img{width:100%;height:100%;min-height:340px;object-fit:cover;position:absolute;inset:0;opacity:0;transition:opacity .32s ease}
.demo-stage img.is-show{opacity:1;position:relative}
.demo-caption{
  position:absolute;left:18px;bottom:18px;right:18px;
  background:rgba(16,19,38,.78);backdrop-filter:blur(8px);border:1px solid var(--line-dark);
  border-radius:14px;padding:12px 16px;font-size:13.5px;color:rgba(255,255,255,.86);
}

/* ---------- proof ---------- */
.proof{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.proof::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(560px 320px at 12% 0%,rgba(18,199,160,.20),transparent 68%),
    radial-gradient(620px 360px at 88% 100%,rgba(108,92,231,.24),transparent 70%);
}
.proof .container{position:relative}
.proof .section-head h2{color:#fff}
.proof .section-head p{color:rgba(255,255,255,.72)}
.proof .eyebrow{color:#4fe3c3}
.proof .eyebrow::before{background:linear-gradient(135deg,#12C7A0,#6C5CE7)}
.data-scroll{display:flex;gap:14px;overflow-x:auto;padding:4px 0 18px;scrollbar-width:thin}
.data-chip{
  flex:0 0 auto;display:flex;flex-direction:column;gap:2px;padding:14px 20px;border-radius:16px;
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);min-width:150px;
}
.data-chip b{font-size:24px;font-weight:800;color:#4fe3c3;font-variant-numeric:tabular-nums;line-height:1.2}
.data-chip span{font-size:12.5px;color:rgba(255,255,255,.62)}
.proof-grid{display:grid;grid-template-columns:1fr 1fr 0.9fr;gap:22px;margin-top:8px}
.quote-card{
  background:rgba(255,255,255,.055);border:1px solid var(--line-dark);border-radius:var(--r-lg);
  padding:28px;display:flex;flex-direction:column;gap:16px;
  transition:border-color .18s ease,transform .18s ease,background .18s ease;
}
.quote-card:hover{border-color:rgba(18,199,160,.45);transform:translateY(-4px);background:rgba(255,255,255,.075)}
.quote-card .quote-mark{font-size:34px;line-height:1;color:rgba(79,227,195,.7);font-weight:700}
.quote-card p{font-size:15px;color:rgba(255,255,255,.86);line-height:1.85}
.quote-meta{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:8px;border-top:1px solid var(--line-dark)}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-size:14px;font-weight:700;color:#fff}
.quote-meta .m-txt b{display:block;font-size:14px;font-weight:600;color:#fff}
.quote-meta .m-txt span{font-size:12.5px;color:rgba(255,255,255,.6)}
.rank-card{
  background:linear-gradient(160deg,rgba(18,199,160,.16),rgba(108,92,231,.18));
  border:1px solid rgba(18,199,160,.28);border-radius:var(--r-lg);padding:26px;
  display:flex;flex-direction:column;gap:16px;
}
.rank-card h3{font-size:17px;font-weight:700;color:#fff}
.rank-list{display:flex;flex-direction:column;gap:14px}
.rank-item{display:grid;grid-template-columns:22px 1fr auto;gap:10px;align-items:center;font-size:13.5px;color:rgba(255,255,255,.86)}
.rank-item i{font-style:normal;font-weight:800;color:#4fe3c3;font-variant-numeric:tabular-nums}
.rank-bar{grid-column:2/4;height:6px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden;margin-top:-4px}
.rank-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#12C7A0,#6C5CE7)}
.rank-note{font-size:12px;color:rgba(255,255,255,.55);margin-top:auto;line-height:1.7}

/* ---------- price ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.pcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;
  display:flex;flex-direction:column;gap:18px;box-shadow:var(--sh-1);position:relative;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,199,160,.35)}
.pcard--main{
  transform:scale(1.06);z-index:2;
  border:1px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  box-shadow:0 22px 48px rgba(16,19,38,.14);
}
.pcard--main:hover{transform:scale(1.06) translateY(-4px)}
.pcard .rec{
  position:absolute;top:-13px;left:32px;padding:5px 14px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:12px;font-weight:700;letter-spacing:.02em;
  box-shadow:0 8px 18px rgba(255,122,61,.30);
}
.pcard h3{font-size:19px;font-weight:700}
.pcard .p-target{font-size:13.5px;color:var(--text-3)}
.pcard .p-num{display:flex;align-items:flex-end;gap:6px;font-variant-numeric:tabular-nums;padding:4px 0 6px}
.pcard .p-num b{font-size:42px;font-weight:800;line-height:1;letter-spacing:0}
.pcard .p-num b::first-letter{color:inherit}
.pcard .p-num span{font-size:13px;color:var(--text-3);padding-bottom:6px}
.pcard--main .p-num b{color:#0d7f68}
.pcard ul{display:flex;flex-direction:column;gap:11px;margin-top:2px}
.pcard li{display:flex;gap:9px;font-size:14px;color:var(--text-2);line-height:1.7;align-items:flex-start}
.pcard li .tick{margin-top:3px}
.pcard .p-foot{margin-top:auto;padding-top:12px;font-size:12px;color:var(--text-3);line-height:1.7}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ncard{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.ncard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,199,160,.35)}
.ncard-media{position:relative;aspect-ratio:16/9;background:#eef0f7;overflow:hidden}
.ncard-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.ncard:hover .ncard-media img{transform:scale(1.04)}
.ncard-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.ncard h3{font-size:16.5px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease}
.ncard:hover h3{color:var(--brand-a)}
.ncard .n-excerpt{font-size:13.5px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ncard-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:#0d7f68;
  background:rgba(18,199,160,.10);border:1px solid rgba(18,199,160,.22);
  padding:3px 10px;border-radius:999px;white-space:nowrap;
}
.n-time{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;white-space:nowrap}
.empty-state{
  grid-column:1/-1;min-height:220px;border:1px dashed var(--line);border-radius:var(--r-lg);
  background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:36px 24px;
}
.empty-state .e-ico{width:52px;height:52px;border-radius:16px;background:var(--grad-soft);display:grid;place-items:center;color:var(--brand-a)}
.empty-state .e-ico svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{font-size:14px;color:var(--text-3)}

/* ---------- faq ---------- */
.faq-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 28px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:background .18s ease,color .18s ease;
}
.faq-q:hover{background:rgba(18,199,160,.05);color:#0d7f68}
.faq-q .fx{
  width:28px;height:28px;border-radius:50%;border:1px solid var(--line);flex-shrink:0;
  display:grid;place-items:center;position:relative;transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.faq-q .fx::before,.faq-q .fx::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;transition:background .2s ease;
}
.faq-q .fx::before{width:12px;height:2px}
.faq-q .fx::after{width:2px;height:12px}
.faq-item.is-open .faq-q{color:#0d7f68;background:rgba(18,199,160,.05)}
.faq-item.is-open .fx{transform:rotate(45deg);background:var(--grad);border-color:transparent}
.faq-item.is-open .fx::before,.faq-item.is-open .fx::after{background:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a p{padding:0 28px 22px;font-size:15px;color:var(--text-2);line-height:1.8}

/* ---------- cta band ---------- */
.cta-band{
  border-radius:28px;padding:52px 48px;position:relative;overflow:hidden;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 26px 56px rgba(18,199,160,.28);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 68%);
}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;position:relative;margin-bottom:10px}
.cta-band p{font-size:15px;color:rgba(255,255,255,.88);position:relative;max-width:560px}
.cta-band .btn{position:relative;background:#fff;color:#0d7f68;box-shadow:0 12px 28px rgba(16,19,38,.20)}
.cta-band .btn:hover{transform:translateY(-1px);filter:none;background:#f4fffb}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#fff;position:relative;margin-top:96px;padding-top:3px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:4fr 2.2fr 2.2fr 2.6fr;gap:40px;padding:64px 24px 40px}
.f-brand .logo-text b{color:#fff}
.f-brand .logo-text span{color:rgba(255,255,255,.55)}
.f-brand p{font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.85;margin-top:18px;max-width:330px}
.f-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.01em}
.f-col ul{display:flex;flex-direction:column;gap:11px}
.f-col a{font-size:13.5px;color:rgba(255,255,255,.62);transition:color .18s ease}
.f-col a:hover{color:var(--brand-a)}
.f-col li span{font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.75}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:20px 24px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.6)}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom .fb-links a{font-size:13px;color:rgba(255,255,255,.6);transition:color .18s ease}
.footer-bottom .fb-links a:hover{color:var(--brand-a)}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:32px;bottom:32px;z-index:90;
  display:inline-flex;align-items:center;gap:10px;height:56px;padding:0 26px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;box-shadow:0 16px 34px rgba(18,199,160,.34);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease,filter .18s ease;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{filter:brightness(1.06);transform:translateY(-1px)}
.float-cta svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.mobile-bar{display:none}

/* ---------- mobile drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:200;background:rgba(247,248,251,.98);
  backdrop-filter:blur(14px);display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-top{height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;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;position:relative}
.drawer-close::before,.drawer-close::after{content:"";position:absolute;width:16px;height:2px;background:var(--text);border-radius:2px}
.drawer-close::before{transform:rotate(45deg)}
.drawer-close::after{transform:rotate(-45deg)}
.drawer-nav{padding:20px 18px;display:flex;flex-direction:column;gap:6px;overflow-y:auto}
.drawer-nav a{
  padding:14px 16px;border-radius:14px;font-size:16px;font-weight:600;color:var(--text-2);
  background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:#0d7f68;border-color:rgba(18,199,160,.4);background:rgba(18,199,160,.07)}
.drawer-nav a.is-active::after{content:"当前";font-size:11px;font-weight:700;color:#0d7f68;background:rgba(18,199,160,.14);padding:2px 8px;border-radius:999px}
.drawer-foot{margin-top:auto;padding:18px;display:flex;flex-direction:column;gap:12px}
body.no-scroll{overflow:hidden}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .hero-grid{gap:40px}
  .demo-wrap{grid-template-columns:260px 1fr}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .status-pill{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:0}
  .hero-media{order:2}
  .media-frame{aspect-ratio:16/10}
  .stat-inner{grid-template-columns:repeat(3,1fr);gap:16px}
  .stat-item:nth-child(4),.stat-item:nth-child(5){display:none}
  .feature-grid{grid-template-columns:repeat(6,1fr);gap:20px}
  .fcard{grid-column:span 3}
  .fcard--small{grid-column:span 3}
  .proof-grid{grid-template-columns:1fr 1fr}
  .rank-card{grid-column:1/-1}
  .price-grid{grid-template-columns:1fr;gap:20px}
  .pcard--main{transform:none}
  .pcard--main:hover{transform:translateY(-4px)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 24px 32px}
  .f-brand{grid-column:1/-1}
  .demo-wrap{grid-template-columns:1fr;padding:20px}
  .demo-steps{flex-direction:row;overflow-x:auto;gap:10px;padding-bottom:6px}
  .demo-step{flex:0 0 auto;min-width:190px}
  .section{padding:72px 0}
  .float-cta{right:20px;bottom:20px}
}
@media (max-width:767px){
  :root{--nav-h:60px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .hero{padding:40px 0 48px}
  .hero h1{font-size:clamp(26px,7vw,30px)}
  .hero-sub{font-size:15.5px}
  .stat-inner{grid-template-columns:repeat(2,1fr);padding:20px 18px}
  .stat-item:nth-child(3){display:none}
  .feature-grid{grid-template-columns:1fr}
  .fcard,.fcard--small{grid-column:span 1}
  .proof-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .demo-stage,.demo-stage img{min-height:220px}
  .faq-q{padding:18px 20px;font-size:15px}
  .faq-a p{padding:0 20px 18px;font-size:14.5px}
  .cta-band{padding:36px 26px;border-radius:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;padding:40px 18px 28px}
  .footer-bottom{padding:18px;flex-direction:column;align-items:flex-start}
  .float-cta{display:none}
  .mobile-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:95;gap:10px;
    padding:10px 14px calc(10px + env(safe-area-inset-bottom));
    background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
    border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(16,19,38,.08);
    transform:translateY(110%);transition:transform .24s ease;
  }
  .mobile-bar.is-show{transform:translateY(0)}
  .mobile-bar .btn{flex:1;padding:12px 10px;font-size:14.5px}
  body{padding-bottom:76px}
  .countdown-card{flex-direction:column;align-items:flex-start;gap:10px}
  .fb-1,.fb-2{display:none}
  .hero-actions .btn{flex:1 1 100%}
  .trust-row{gap:10px 18px}
}
@media (max-width:479px){
  .hero-badges .pill{font-size:12px;padding:5px 11px}
  .stat-inner{grid-template-columns:1fr}
  .stat-item:nth-child(2){display:none}
  .price-grid .pcard{padding:26px 22px}
  .cd-unit{min-width:38px}
  .cd-unit b{font-size:18px}
}

/* roulang page: category1 */
:root{
  --brand-1:#12C7A0;
  --brand-2:#6C5CE7;
  --accent:#FF7A3D;
  --bg:#F7F8FB;
  --card:#FFFFFF;
  --dark:#101326;
  --dark-2:#141833;
  --text:#151825;
  --text-2:#5A5F73;
  --text-3:#8A90A6;
  --line:#E6E8F0;
  --line-dark:rgba(255,255,255,.10);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-xs:12px;
  --sh-1:0 8px 24px rgba(16,19,38,.06);
  --sh-2:0 16px 40px rgba(16,19,38,.12);
  --sh-btn:0 10px 24px rgba(18,199,160,.28);
  --grad:linear-gradient(135deg,#12C7A0 0%,#6C5CE7 100%);
  --container:1200px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  padding-bottom:0;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,248,251,.86);
  backdrop-filter:saturate(160%) blur(12px);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(16,19,38,.05);background:rgba(255,255,255,.92)}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--nav-h)}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:700;font-size:18px;
  box-shadow:0 8px 18px rgba(18,199,160,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:17px;font-weight:700;letter-spacing:.2px}
.logo-text span{font-size:11px;color:var(--text-3);letter-spacing:.5px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:10px;
  font-size:15px;color:var(--text-2);transition:color .18s ease,background .18s ease;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);opacity:0;transform:scaleX(.6);transition:opacity .18s ease,transform .18s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(18,199,160,.08)}
.nav-links a.is-active{color:var(--brand-1);font-weight:600}
.nav-links a.is-active::after{opacity:1;transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.status-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:#0F6B58;background:rgba(18,199,160,.12);border:1px solid rgba(18,199,160,.28);
}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--brand-1);box-shadow:0 0 0 0 rgba(18,199,160,.5);animation:pulse 2.4s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(18,199,160,.45)}
  70%{box-shadow:0 0 0 8px rgba(18,199,160,0)}
  100%{box-shadow:0 0 0 0 rgba(18,199,160,0)}
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;border:1px solid transparent;
  font-weight:600;font-size:15px;line-height:1.2;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-btn)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 30px rgba(18,199,160,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(18,199,160,.22)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(255,122,61,.30)}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,122,61,.22)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:rgba(18,199,160,.5);color:#0F6B58;background:rgba(18,199,160,.06);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn[disabled]{opacity:.45;pointer-events:none}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--dark);color:#fff}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(16,19,38,.92) 0%,rgba(16,19,38,.72) 45%,rgba(108,92,231,.55) 100%);
}
.hero-inner{position:relative;z-index:2;padding:56px 0 64px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);flex-wrap:wrap}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:#fff}
.crumbs .sep{opacity:.5}
.crumbs .current{color:#fff}
.hero-title{
  margin-top:18px;font-size:clamp(30px,4.4vw,48px);line-height:1.15;font-weight:700;
  letter-spacing:0;max-width:820px;
}
.hero-title em{font-style:normal;background:linear-gradient(135deg,#3FE7C2,#9C8CFF);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{margin-top:16px;max-width:660px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.78)}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;font-size:13.5px;font-weight:500;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);color:#fff;
  transition:background .18s ease,border-color .18s ease,transform .18s ease;
}
.pill:hover{background:rgba(18,199,160,.22);border-color:rgba(18,199,160,.5);transform:translateY(-1px)}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--brand-1);display:inline-block}

/* ---------- Section basics ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:1px;text-transform:uppercase;
  color:#0F6B58;background:rgba(18,199,160,.12);border-radius:999px;padding:6px 14px;
}
.section-title{margin-top:14px;font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700}
.section-desc{margin-top:12px;color:var(--text-2);font-size:16px;line-height:1.8}

/* ---------- Overview layout ---------- */
.overview-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;margin-top:40px;align-items:start}
.note-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.note-card:hover{box-shadow:var(--sh-2);border-color:rgba(18,199,160,.35);transform:translateY(-3px)}
.note-card .thumb{position:relative;aspect-ratio:16/9;background:#EDEFF6;overflow:hidden}
.note-card .thumb img{width:100%;height:100%;object-fit:cover}
.note-card .thumb .tag{
  position:absolute;left:16px;top:16px;padding:5px 12px;border-radius:999px;
  background:rgba(16,19,38,.72);color:#fff;font-size:12px;font-weight:600;backdrop-filter:blur(6px);
}
.note-body{padding:24px}
.note-body h3{font-size:20px;font-weight:600;line-height:1.45}
.note-body p{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.85}
.note-list{margin-top:18px;display:grid;gap:10px}
.note-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text-2)}
.note-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;
  background:var(--brand-1);
}
.entry-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:26px;
}
.entry-panel h3{font-size:20px;font-weight:600}
.entry-panel .sub{margin-top:6px;font-size:14px;color:var(--text-3)}
.entry-list{margin-top:18px;display:grid;gap:10px}
.entry-item{
  display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#FBFCFE;
  transition:border-color .18s ease,background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.entry-item:hover{border-color:rgba(18,199,160,.45);background:#fff;transform:translateX(3px);box-shadow:var(--sh-1)}
.entry-icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(18,199,160,.12);color:#0F6B58;font-weight:700;font-size:15px;
}
.entry-item:nth-child(2) .entry-icon{background:rgba(108,92,231,.12);color:#5A4BD1}
.entry-item:nth-child(3) .entry-icon{background:rgba(255,122,61,.14);color:#C1521E}
.entry-item:nth-child(4) .entry-icon{background:rgba(18,199,160,.12);color:#0F6B58}
.entry-text{flex:1 1 auto;min-width:0}
.entry-text b{display:block;font-size:15px;font-weight:600;color:var(--text)}
.entry-text span{display:block;font-size:13px;color:var(--text-3);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.entry-arrow{flex:0 0 auto;color:var(--text-3);font-size:16px;transition:color .18s ease,transform .18s ease}
.entry-item:hover .entry-arrow{color:var(--brand-1);transform:translateX(2px)}

/* ---------- Badges strip ---------- */
.badge-strip{
  display:flex;gap:14px;overflow-x:auto;padding:4px 2px 10px;margin-top:36px;
  scrollbar-width:thin;
}
.badge-strip::-webkit-scrollbar{height:6px}
.badge-strip::-webkit-scrollbar-thumb{background:rgba(90,95,115,.25);border-radius:99px}
.data-badge{
  flex:0 0 auto;display:flex;align-items:center;gap:12px;
  padding:14px 20px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
}
.data-badge b{font-size:22px;font-weight:700;color:var(--brand-1);font-variant-numeric:tabular-nums;line-height:1}
.data-badge span{font-size:13px;color:var(--text-3);white-space:nowrap}

/* ---------- Steps ---------- */
.steps-wrap{margin-top:40px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 22px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,199,160,.35)}
.step-num{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.step-card h3{margin-top:14px;font-size:17px;font-weight:600}
.step-card p{margin-top:8px;font-size:14.5px;color:var(--text-2);line-height:1.8}
.step-card::after{
  content:"";position:absolute;top:42px;right:-14px;width:8px;height:8px;border-radius:50%;
  background:rgba(18,199,160,.35);
}
.step-card:last-child::after{display:none}

/* ---------- Checklist ---------- */
.check-band{
  background:var(--dark);color:#fff;border-radius:28px;position:relative;overflow:hidden;
  padding:56px 48px;
}
.check-band::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;right:-120px;top:-160px;
  background:radial-gradient(circle,rgba(18,199,160,.35),rgba(18,199,160,0) 70%);
}
.check-band::after{
  content:"";position:absolute;width:360px;height:360px;border-radius:50%;left:-100px;bottom:-180px;
  background:radial-gradient(circle,rgba(108,92,231,.35),rgba(108,92,231,0) 70%);
}
.check-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:center}
.check-inner h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700}
.check-inner .lead{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.72)}
.check-list{display:grid;gap:14px}
.check-item{
  display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);
  transition:background .18s ease,border-color .18s ease;
}
.check-item:hover{background:rgba(255,255,255,.10);border-color:rgba(18,199,160,.4)}
.check-item .mark{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  background:rgba(18,199,160,.18);color:#3FE7C2;font-size:12px;font-weight:700;margin-top:3px;
}
.check-item b{display:block;font-size:15px;font-weight:600;color:#fff}
.check-item span{display:block;font-size:13.5px;color:rgba(255,255,255,.68);margin-top:3px;line-height:1.7}

/* ---------- Tip row ---------- */
.tip-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.tip-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,199,160,.35)}
.tip-card h3{font-size:16.5px;font-weight:600;display:flex;align-items:center;gap:10px}
.tip-card h3 i{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block}
.tip-card p{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-wrap{margin-top:36px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);transition:color .18s ease,background .18s ease;
}
.faq-q:hover{color:#0F6B58;background:rgba(18,199,160,.04)}
.faq-q .ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:rgba(18,199,160,.12);color:#0F6B58;font-size:16px;line-height:1;
  transition:transform .2s ease,background .2s ease;
}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);background:rgba(18,199,160,.2)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a p{padding:0 26px 22px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- CTA band ---------- */
.cta-band{
  margin:0 auto;max-width:var(--container);
  border-radius:28px;padding:52px 48px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(135deg,#12C7A0 0%,#6C5CE7 100%);
  box-shadow:0 24px 60px rgba(108,92,231,.24);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;width:360px;height:360px;border-radius:50%;right:-100px;top:-140px;
  background:radial-gradient(circle,rgba(255,255,255,.28),rgba(255,255,255,0) 70%);
}
.cta-copy{position:relative;z-index:2;max-width:640px}
.cta-copy h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.3}
.cta-copy p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.86)}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .btn-light{background:#fff;color:#151825}
.cta-actions .btn-light:hover{filter:brightness(.98);transform:translateY(-1px)}
.cta-actions .btn-outline{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.4)}
.cta-actions .btn-outline:hover{background:rgba(255,255,255,.24);transform:translateY(-1px)}

/* ---------- Footer ---------- */
.site-footer{position:relative;background:var(--dark);color:rgba(255,255,255,.72);margin-top:96px;padding-top:3px}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:32px;padding-top:56px;padding-bottom:40px}
.f-brand .logo{margin-bottom:16px}
.f-brand .logo-text b{color:#fff}
.f-brand .logo-text span{color:rgba(255,255,255,.5)}
.f-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.f-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.f-col ul{display:grid;gap:10px}
.f-col li a,.f-col li span{font-size:14px;color:rgba(255,255,255,.62);transition:color .18s ease}
.f-col li a:hover{color:var(--brand-1)}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding-top:20px;padding-bottom:28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.55)}
.fb-links{display:flex;gap:18px;flex-wrap:wrap}
.fb-links a{font-size:13px;color:rgba(255,255,255,.6)}
.fb-links a:hover{color:var(--brand-1)}

/* ---------- Floating CTA ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;height:56px;padding:0 24px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:600;font-size:15px;box-shadow:var(--sh-btn);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease,filter .18s ease;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{filter:brightness(1.06)}
.float-cta:active{transform:translateY(0) scale(.99)}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .overview-grid{grid-template-columns:1fr}
  .check-inner{grid-template-columns:1fr;gap:28px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .nav-links a{padding:8px 9px;font-size:14px}
  .steps-wrap{grid-template-columns:repeat(2,1fr)}
  .step-card::after{display:none}
  .tip-row{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .f-brand{grid-column:1 / -1}
  .check-band{padding:44px 32px}
  .cta-band{padding:40px 32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .header-inner{height:60px;gap:12px}
  .nav-toggle{display:flex}
  .header-actions .status-badge{display:none}
  .header-actions .btn-primary{display:none}
  .nav-links{
    position:fixed;inset:0;z-index:90;flex-direction:column;align-items:stretch;gap:6px;
    background:rgba(255,255,255,.98);padding:88px 24px 32px;margin:0;
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
    overflow-y:auto;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
  .nav-links a{font-size:16px;padding:14px 12px;border-radius:12px;border-bottom:1px solid var(--line)}
  .nav-links a::after{display:none}
  .nav-links a.is-active{background:rgba(18,199,160,.10)}
  .nav-close{
    display:flex;position:absolute;top:16px;right:20px;width:42px;height:42px;border-radius:12px;
    align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;font-size:20px;color:var(--text);cursor:pointer;
  }
  .hero-inner{padding:40px 0 48px}
  .hero-title{font-size:clamp(26px,7vw,34px)}
  .steps-wrap{grid-template-columns:1fr}
  .tip-row{grid-template-columns:1fr}
  .section{padding:56px 0}
  .faq-q{padding:18px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
  .cta-band{padding:32px 22px;border-radius:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .site-footer{margin-top:56px}
  .footer-grid{padding-top:40px}
  .float-cta{right:16px;bottom:16px;height:50px;padding:0 18px;font-size:14px}
}
@media (max-width:519px){
  .footer-grid{grid-template-columns:1fr}
  .badge-strip{gap:10px}
  .data-badge{padding:12px 16px}
  .data-badge b{font-size:19px}
  .check-band{padding:34px 20px;border-radius:20px}
  .btn{width:100%}
  .hero-pills .pill{font-size:12.5px;padding:7px 13px}
}
.nav-close{display:none}

/* roulang page: article */
:root{
  --brand:#12C7A0;
  --brand-2:#6C5CE7;
  --accent:#FF7A3D;
  --bg:#F7F8FB;
  --card:#FFFFFF;
  --ink:#151825;
  --ink-2:#5A5F73;
  --ink-3:#8A90A6;
  --line:#E6E8F0;
  --dark:#101326;
  --dark-2:#141833;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-xs:12px;
  --sh-1:0 8px 24px rgba(16,19,38,.06);
  --sh-2:0 16px 40px rgba(16,19,38,.12);
  --sh-brand:0 10px 24px rgba(18,199,160,.28);
  --grad:linear-gradient(135deg,#12C7A0 0%,#6C5CE7 100%);
  --grad-soft:linear-gradient(135deg,rgba(18,199,160,.12) 0%,rgba(108,92,231,.12) 100%);
  --wrap:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  letter-spacing:0;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  line-height:1.2;border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),filter .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-brand)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 30px rgba(18,199,160,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(18,199,160,.24)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(255,122,61,.28)}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,122,61,.22)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:rgba(18,199,160,.55);color:var(--brand);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.24)}
.btn-light:hover{background:rgba(255,255,255,.2);transform:translateY(-1px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(247,248,251,.86);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  height:72px;display:flex;align-items:center;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(16,19,38,.05)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:18px;box-shadow:0 6px 16px rgba(18,199,160,.3);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:0}
.logo-text span{font-size:11px;color:var(--ink-3);letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:10px;
  font-size:15px;color:var(--ink-2);font-weight:500;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-links a:hover{color:var(--ink);background:rgba(18,199,160,.08)}
.nav-links a.is-active{color:var(--brand);font-weight:600;background:rgba(18,199,160,.1)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:#0B7F66;background:rgba(18,199,160,.12);border:1px solid rgba(18,199,160,.24);
  white-space:nowrap;
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--brand);display:inline-block;animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(18,199,160,.45)}50%{box-shadow:0 0 0 6px rgba(18,199,160,0)}}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;margin-left:auto;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-2);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.menu-toggle:hover span{background:var(--brand)}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:200;background:#fff;
  display:flex;flex-direction:column;padding:20px 20px calc(24px + env(safe-area-inset-bottom));
  transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.drawer.is-open{opacity:1;transform:translateY(0);visibility:visible;pointer-events:auto}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:22px;line-height:1;color:var(--ink-2);display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{color:var(--brand);border-color:rgba(18,199,160,.5)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:18px 0;overflow-y:auto}
.drawer-nav a{
  padding:14px 12px;border-radius:12px;font-size:16px;font-weight:500;color:var(--ink-2);
  display:flex;align-items:center;justify-content:space-between;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.drawer-nav a::after{content:"›";color:var(--ink-3);font-size:18px}
.drawer-nav a:hover,.drawer-nav a.is-active{background:rgba(18,199,160,.1);color:var(--brand)}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:10px}

/* ---------- breadcrumb & hero ---------- */
.crumb{font-size:13.5px;color:rgba(255,255,255,.72);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a{color:rgba(255,255,255,.82);transition:color .18s var(--ease)}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb i{font-style:normal;opacity:.5}
.crumb .cur{color:#fff;opacity:.92;max-width:min(70vw,560px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-hero{position:relative;color:#fff;background:var(--dark);overflow:hidden;padding:34px 0 56px}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.42;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(18,199,160,.42) 0%,rgba(108,92,231,.62) 100%),
             linear-gradient(180deg,rgba(16,19,38,.05) 0%,rgba(16,19,38,.88) 100%);
}
.article-hero .container{position:relative;z-index:1}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
}
.article-hero h1{
  margin-top:16px;font-size:clamp(26px,4vw,44px);line-height:1.22;font-weight:700;
  max-width:900px;letter-spacing:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{
  margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13.5px;color:rgba(255,255,255,.78);font-variant-numeric:tabular-nums;
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{font-style:normal;opacity:.45}
.article-meta .cat{
  padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.22);font-weight:600;color:#fff;
}

/* ---------- article layout ---------- */
.article-wrap{padding:56px 0 80px}
.article-layout{
  display:grid;grid-template-columns:minmax(0,820px) 300px;
  gap:32px;justify-content:center;align-items:start;
}
.article-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:40px 44px;box-shadow:var(--sh-1);min-width:0;
}
.lead{
  font-size:16.5px;line-height:1.9;color:var(--ink-2);
  padding:18px 22px;border-radius:var(--r-sm);background:var(--grad-soft);
  border-left:4px solid var(--brand);margin-bottom:28px;
}
.lead b{color:var(--ink)}

/* ---------- article body typography ---------- */
.article-body{font-size:16px;line-height:1.85;color:#2B3040;word-wrap:break-word;overflow-wrap:break-word}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(20px,2.3vw,25px);line-height:1.45;font-weight:700;color:var(--ink);
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--brand);scroll-margin-top:96px;
}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--ink);margin:28px 0 12px;scroll-margin-top:96px}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:22px 0 10px}
.article-body p{margin:0 0 18px}
.article-body a{color:#0B8F72;text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand)}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 18px}
.article-body ul{list-style:none;padding-left:6px}
.article-body ul>li{position:relative;padding-left:20px;margin:8px 0}
.article-body ul>li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand);
}
.article-body ol{list-style:decimal}
.article-body ol>li{margin:8px 0;padding-left:4px}
.article-body ol>li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;border-radius:0 var(--r-sm) var(--r-sm) 0;
  background:#F1FBF8;border-left:4px solid var(--brand);color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:24px auto;max-width:100%;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px;line-height:1.7}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;display:block;overflow-x:auto;
  border-radius:var(--r-xs);border:1px solid var(--line);
}
.article-body thead th{background:#F3F5FA;font-weight:600;color:var(--ink);text-align:left}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
.article-body tbody tr:nth-child(even){background:#FAFBFD}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body code{background:#F2F4F9;border-radius:6px;padding:2px 6px;font-size:14px;color:#0B7F66}

/* ---------- tags / related ---------- */
.article-foot{margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-row .label{font-size:13px;color:var(--ink-3);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;padding:7px 16px;border-radius:999px;
  font-size:13px;font-weight:500;color:var(--ink-2);background:#F3F5FA;border:1px solid var(--line);
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.tag:hover{color:var(--brand);background:rgba(18,199,160,.1);border-color:rgba(18,199,160,.35);transform:translateY(-1px)}

.rel-title{font-size:19px;font-weight:700;margin:36px 0 16px;color:var(--ink)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,199,160,.35)}
.rel-card .thumb{aspect-ratio:16/9;background:#EEF1F7;overflow:hidden}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rel-card:hover .thumb img{transform:scale(1.04)}
.rel-card .rc-body{padding:14px 16px 16px}
.rel-card .rc-body h4{font-size:14.5px;font-weight:600;line-height:1.55;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card:hover .rc-body h4{color:var(--brand)}
.rel-card .rc-body p{font-size:12.5px;color:var(--ink-3);margin-top:6px}
.back-row{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:96px;align-self:start;display:flex;flex-direction:column;gap:18px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1)}
.side-card h3{font-size:14px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:8px;margin-bottom:14px}
.side-card h3::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--grad)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:320px;overflow:auto}
.toc-list a{
  font-size:13.5px;color:var(--ink-2);padding:7px 10px;border-radius:8px;line-height:1.5;
  transition:color .16s var(--ease),background .16s var(--ease);
  display:block;
}
.toc-list a:hover{color:var(--brand);background:rgba(18,199,160,.08)}
.toc-empty{font-size:13px;color:var(--ink-3)}
.side-pic{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:#EEF1F7}
.side-pic img{width:100%;aspect-ratio:4/3;object-fit:cover}
.side-links{display:flex;flex-direction:column;gap:8px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:13.5px;color:var(--ink-2);padding:9px 12px;border-radius:10px;background:#F7F8FB;
  border:1px solid transparent;transition:all .18s var(--ease);
}
.side-links a::after{content:"›";color:var(--ink-3)}
.side-links a:hover{color:var(--brand);background:rgba(18,199,160,.08);border-color:rgba(18,199,160,.24)}
.side-tip{font-size:12.5px;line-height:1.75;color:var(--ink-3)}

/* ---------- empty state ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:260px;padding:40px 24px;text-align:center;
  background:#FBFCFE;border:1px dashed #D7DCE8;border-radius:var(--r-md);
}
.empty-state .ico{
  width:56px;height:56px;border-radius:50%;background:var(--grad-soft);
  display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--brand);
}
.empty-state p{font-size:15px;color:var(--ink-2)}

/* ---------- CTA band ---------- */
.cta-band{padding:0 0 88px}
.cta-inner{
  position:relative;overflow:hidden;border-radius:28px;background:var(--grad);
  padding:48px 52px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 22px 48px rgba(108,92,231,.24);
}
.cta-inner::before{
  content:"";position:absolute;width:340px;height:340px;right:-90px;top:-140px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28),transparent 68%);
}
.cta-copy{position:relative;z-index:1;max-width:620px;color:#fff}
.cta-copy h2{font-size:clamp(22px,2.8vw,30px);line-height:1.35;font-weight:700}
.cta-copy p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.86);line-height:1.8}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .btn-accent{box-shadow:0 12px 26px rgba(16,19,38,.2)}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:4fr 2.4fr 2.4fr 2.8fr;gap:32px;padding-bottom:44px}
.f-brand .logo{margin-bottom:16px}
.f-brand .logo-text b{color:#fff}
.f-brand .logo-text span{color:rgba(255,255,255,.5)}
.f-brand p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.f-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.f-col ul{display:flex;flex-direction:column;gap:10px}
.f-col li a,.f-col li span{font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.7;transition:color .18s var(--ease)}
.f-col li a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.5)}
.fb-links{display:flex;gap:18px;flex-wrap:wrap}
.fb-links a{font-size:13px;color:rgba(255,255,255,.5);transition:color .18s var(--ease)}
.fb-links a:hover{color:var(--brand)}

/* ---------- floating CTA ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:110;
  display:inline-flex;align-items:center;gap:10px;height:56px;padding:0 24px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;box-shadow:var(--sh-brand);
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease),filter .18s var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{filter:brightness(1.06);transform:translateY(-1px)}
.mobile-bar{display:none}

@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,780px) 290px;gap:26px}
}
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,820px)}
  .article-side{position:static;top:auto}
}
@media (max-width:1023px){
  .nav-links,.nav-actions{display:none}
  .menu-toggle{display:flex}
  .article-main{padding:32px 28px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .f-brand{grid-column:1 / -1}
  .cta-inner{padding:40px 32px}
  .article-hero{padding:28px 0 48px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .site-header{height:60px}
  .header-inner{height:60px}
  .logo-mark{width:34px;height:34px;border-radius:11px;font-size:16px}
  .logo-text b{font-size:15.5px}
  .logo-text span{font-size:10px}
  .article-wrap{padding:36px 0 56px}
  .article-main{padding:24px 20px;border-radius:var(--r-md)}
  .article-hero h1{font-size:clamp(22px,6vw,30px);-webkit-line-clamp:3}
  .article-meta{font-size:12.5px;gap:8px}
  .lead{font-size:15px;padding:14px 16px}
  .article-body{font-size:15.5px;line-height:1.9}
  .rel-grid{grid-template-columns:1fr}
  .cta-band{padding:0 0 64px}
  .cta-inner{padding:32px 22px;border-radius:22px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .float-cta{display:none}
  .mobile-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:130;
    display:flex;gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-top:1px solid var(--line);
  }
  .mobile-bar .btn{flex:1 1 0;padding:12px 10px;font-size:14px}
  body{padding-bottom:76px}
  .footer-bottom{padding:18px}
}
@media (max-width:479px){
  .btn{padding:12px 20px}
  .article-main{padding:20px 16px}
  .hero-tags{gap:6px}
  .hero-tag{font-size:11.5px;padding:5px 11px}
  .footer-grid{gap:24px}
}

/* roulang page: category2 */
:root{
  --brand:#12C7A0;
  --brand-2:#6C5CE7;
  --accent:#FF7A3D;
  --bg:#F7F8FB;
  --card:#FFFFFF;
  --ink:#151825;
  --ink-2:#5A5F73;
  --ink-3:#8A90A6;
  --line:#E6E8F0;
  --dark:#101326;
  --dark-2:#141833;
  --line-dark:rgba(255,255,255,.10);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 8px 24px rgba(16,19,38,.06);
  --sh-2:0 16px 40px rgba(16,19,38,.12);
  --sh-brand:0 10px 24px rgba(18,199,160,.28);
  --sec:96px;
  --w:1200px;
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;letter-spacing:0}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit}
::selection{background:rgba(18,199,160,.22)}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}
.nums{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,248,251,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color var(--ease),box-shadow var(--ease)}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(16,19,38,.05)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;font-weight:700;font-size:18px;line-height:1;box-shadow:var(--sh-brand)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:17px;font-weight:700;letter-spacing:0}
.logo-text span{font-size:11px;color:var(--ink-3);line-height:1.5}
.nav-links{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.nav-links a{position:relative;padding:8px 12px;font-size:15px;color:var(--ink-2);border-radius:10px;transition:color var(--ease),background var(--ease)}
.nav-links a:hover{color:var(--ink);background:rgba(18,199,160,.09)}
.nav-links a.is-active{color:var(--ink);font-weight:600}
.nav-links a.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;border-radius:2px;background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.nav-links a:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.status-pill{display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:12.5px;font-weight:600;color:var(--ink-2);box-shadow:var(--sh-1)}
.status-pill i{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 0 rgba(18,199,160,.55);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(18,199,160,.5)}70%{box-shadow:0 0 0 8px rgba(18,199,160,0)}100%{box-shadow:0 0 0 0 rgba(18,199,160,0)}}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;box-shadow:var(--sh-1)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative}
.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}
.nav-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* mobile drawer */
.mobile-drawer{position:fixed;inset:0;z-index:120;background:#fff;display:flex;flex-direction:column;padding:20px 22px 32px;transform:translateY(-100%);opacity:0;pointer-events:none;transition:transform .26s ease,opacity .26s ease;overflow-y:auto}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.md-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.md-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;font-size:16px;color:var(--ink-2);background:#fff}
.md-close:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.md-links{display:flex;flex-direction:column;margin-top:12px}
.md-links a{padding:15px 4px;font-size:16px;color:var(--ink-2);border-bottom:1px solid var(--line);transition:color var(--ease)}
.md-links a:hover{color:var(--ink)}
.md-links a.is-active{color:var(--brand);font-weight:600}
.md-cta{margin-top:24px;width:100%}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),background var(--ease),color var(--ease),border-color var(--ease)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:var(--sh-brand)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 30px rgba(18,199,160,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(18,199,160,.24)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(255,122,61,.28)}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 30px rgba(255,122,61,.34)}
.btn-accent:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,122,61,.24)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-ghost:hover{transform:translateY(-1px);border-color:rgba(18,199,160,.45);box-shadow:var(--sh-2);color:var(--ink)}
.btn-ghost:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;padding:44px 0 72px}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.png");background-size:cover;background-position:center;opacity:.42}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(16,19,38,.78),rgba(108,92,231,.52))}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72)}
.crumb a{transition:color var(--ease)}
.crumb a:hover{color:#fff}
.crumb a:focus-visible{outline:2px solid #fff;outline-offset:2px;border-radius:4px}
.crumb span{opacity:.55}
.crumb .current{color:#fff;font-weight:600}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-top:26px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);font-size:12.5px;font-weight:600;letter-spacing:.02em}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.page-hero h1{margin-top:18px;font-size:clamp(30px,4.4vw,50px);line-height:1.18;font-weight:700;max-width:860px}
.page-hero .lede{margin-top:16px;max-width:660px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.84)}
.hero-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;font-size:14px;font-weight:600;color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);transition:background var(--ease),transform var(--ease)}
.pill:hover{background:rgba(255,255,255,.26);transform:translateY(-1px)}
.pill:active{transform:translateY(0)}
.pill:focus-visible{outline:2px solid #fff;outline-offset:2px}

/* ---------- sections ---------- */
.section{padding:var(--sec) 0}
.section--tight{padding:64px 0}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head .kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.04em}
.sec-head .kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.sec-head h2{margin-top:12px;font-size:clamp(24px,3vw,36px);line-height:1.28;font-weight:700}
.sec-head p{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--ink-2)}

/* badge strip */
.badge-strip{display:flex;gap:14px;overflow-x:auto;padding:4px 2px 8px;margin-bottom:34px;scrollbar-width:thin}
.badge-strip::-webkit-scrollbar{height:6px}
.badge-strip::-webkit-scrollbar-thumb{background:rgba(18,199,160,.35);border-radius:99px}
.dbadge{flex:0 0 auto;display:flex;align-items:baseline;gap:9px;padding:12px 20px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1)}
.dbadge b{font-size:22px;font-weight:700;line-height:1;background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.dbadge span{font-size:13px;color:var(--ink-3);white-space:nowrap}

/* module grid */
.mod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mod-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.mod-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,199,160,.35)}
.mod-card:focus-within{border-color:rgba(18,199,160,.45)}
.mod-media{position:relative;aspect-ratio:16/9;background:#EDF0F7;overflow:hidden}
.mod-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.mod-card:hover .mod-media img{transform:scale(1.04)}
.mod-tag{position:absolute;left:14px;top:14px;display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;color:#fff;background:rgba(16,19,38,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.mod-tag.is-brand{background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.mod-tag.is-accent{background:var(--accent)}
.mod-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.mod-body h3{font-size:20px;line-height:1.4;font-weight:600}
.mod-body p{font-size:14.5px;line-height:1.78;color:var(--ink-2)}
.mod-body p:last-of-type{margin-top:-2px}
.mod-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3)}
.mod-meta .dotline{display:inline-flex;align-items:center;gap:7px}
.mod-meta i{width:6px;height:6px;border-radius:50%;background:var(--brand)}

/* note bar */
.note-bar{display:flex;gap:14px;align-items:flex-start;margin-top:32px;padding:20px 24px;border-radius:var(--r-md);background:linear-gradient(135deg,rgba(18,199,160,.09),rgba(108,92,231,.09));border:1px solid rgba(18,199,160,.2);font-size:14.5px;line-height:1.8;color:var(--ink-2)}
.note-bar strong{color:var(--ink);font-weight:600}
.note-bar .nb-icon{flex:0 0 auto;width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;margin-top:2px}

/* flow */
.flow-wrap{padding:0 0 var(--sec)}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,199,160,.35)}
.flow-step b{display:block;font-size:34px;line-height:1;font-weight:700;background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.flow-step h3{margin-top:12px;font-size:17px;font-weight:600;line-height:1.4}
.flow-step p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--ink-2)}

/* faq */
.faq-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:8px 28px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 0;text-align:left;font-size:16px;font-weight:600;line-height:1.55;transition:color var(--ease)}
.faq-q:hover{color:var(--brand)}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:4px;border-radius:6px}
.faq-q .ico{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;position:relative;transition:transform var(--ease),border-color var(--ease),background var(--ease)}
.faq-q .ico::before,.faq-q .ico::after{content:"";position:absolute;background:var(--ink-2);border-radius:2px;transition:background var(--ease)}
.faq-q .ico::before{width:11px;height:2px}
.faq-q .ico::after{width:2px;height:11px}
.faq-item.is-open .faq-q{color:var(--ink)}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);border-color:rgba(18,199,160,.5);background:rgba(18,199,160,.1)}
.faq-item.is-open .faq-q .ico::before,.faq-item.is-open .faq-q .ico::after{background:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a p{padding:0 44px 24px 0;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* cta band */
.cta-band{position:relative;overflow:hidden;border-radius:28px;background:linear-gradient(135deg,var(--dark),var(--dark-2));color:#fff;padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;box-shadow:var(--sh-2)}
.cta-band::before{content:"";position:absolute;right:-80px;top:-90px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(18,199,160,.35),transparent 68%)}
.cta-band::after{content:"";position:absolute;left:-60px;bottom:-120px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(108,92,231,.32),transparent 68%)}
.cta-band .cta-text{position:relative;z-index:2;max-width:560px}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.72)}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.32);box-shadow:none}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--dark);color:rgba(255,255,255,.72);margin-top:0}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--accent))}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 24px 44px}
.f-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:330px}
.site-footer .logo-text b{color:#fff}
.site-footer .logo-text span{color:rgba(255,255,255,.55)}
.f-col h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px}
.f-col ul{display:flex;flex-direction:column;gap:11px}
.f-col li{font-size:14px;line-height:1.7}
.f-col a{color:rgba(255,255,255,.68);transition:color var(--ease)}
.f-col a:hover{color:var(--brand)}
.f-col a:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
.f-col span{color:rgba(255,255,255,.52);font-size:13.5px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px 32px;border-top:1px solid var(--line-dark)}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.55);line-height:1.7}
.fb-links{display:flex;gap:20px;flex-wrap:wrap}
.fb-links a{font-size:13px;color:rgba(255,255,255,.55);transition:color var(--ease)}
.fb-links a:hover{color:var(--brand)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  :root{--w:1100px}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:64px;gap:16px}
  .status-pill{display:none}
  .mod-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 24px 36px}
  .f-brand{grid-column:1 / -1}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .page-hero{padding:36px 0 60px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding:0 18px}
  .header-inner{height:60px}
  .page-hero h1{font-size:30px}
  .page-hero .lede{font-size:15px}
  .mod-grid{grid-template-columns:1fr;gap:20px}
  .flow{grid-template-columns:1fr}
  .faq-card{padding:4px 20px}
  .faq-q{font-size:15px;padding:18px 0}
  .faq-a p{padding-right:0}
  .footer-grid{grid-template-columns:1fr 1fr;padding:44px 18px 28px;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;padding:18px 18px 28px}
  .note-bar{flex-direction:row;padding:18px}
  .cta-band{padding:34px 24px;border-radius:22px}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{flex:1 1 auto}
}
@media (max-width:479px){
  .hero-pills .pill{font-size:13px;padding:8px 14px}
  .header-actions .btn-sm{padding:8px 14px;font-size:13px}
  .f-col h4{font-size:14px}
  .cta-band .cta-actions{flex-direction:column}
  .cta-band .cta-actions .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --brand-1:#12C7A0;
  --brand-2:#6C5CE7;
  --brand-ink:#0E8C74;
  --accent:#FF7A3D;
  --accent-2:#FF9A5E;
  --bg:#F7F8FB;
  --card:#FFFFFF;
  --dark:#101326;
  --dark-2:#141833;
  --text:#151825;
  --text-2:#5A5F73;
  --text-3:#8A90A6;
  --line:#E6E8F0;
  --line-dark:rgba(255,255,255,.10);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-xs:12px;
  --sh-1:0 8px 24px rgba(16,19,38,.06);
  --sh-2:0 16px 40px rgba(16,19,38,.12);
  --sh-btn:0 10px 24px rgba(18,199,160,.28);
  --sh-accent:0 10px 24px rgba(255,122,61,.28);
  --grad:linear-gradient(135deg,#12C7A0 0%,#6C5CE7 100%);
  --grad-accent:linear-gradient(135deg,#FF7A3D 0%,#FF9A5E 100%);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{letter-spacing:0;line-height:1.25}
::selection{background:rgba(18,199,160,.22)}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--dark);color:#fff;padding:12px 20px;border-radius:0 0 12px 0;
}
.skip-link:focus{left:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:700}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;color:var(--brand-ink);
  background:rgba(18,199,160,.10);
  border:1px solid rgba(18,199,160,.24);
  border-radius:999px;padding:5px 14px;margin-bottom:16px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand-1);display:block}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease),background .18s,color .18s,border-color .18s;
}
.btn:focus-visible{outline:2px solid var(--brand-ink);outline-offset:2px}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:var(--sh-accent)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 5px 12px rgba(255,122,61,.24)}
.btn-brand{background:var(--grad);color:#fff;box-shadow:var(--sh-btn)}
.btn-brand:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-brand:active{transform:translateY(0);box-shadow:0 5px 12px rgba(18,199,160,.22)}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line);box-shadow:var(--sh-1)}
.btn-ghost:hover{border-color:rgba(18,199,160,.45);color:var(--brand-ink);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0);box-shadow:none}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.45;pointer-events:none}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,248,251,.92);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .18s,box-shadow .18s;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(16,19,38,.05)}
.header-inner{display:flex;align-items:center;gap:22px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-size:17px;font-weight:700;
  box-shadow:0 8px 18px rgba(18,199,160,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16px;font-weight:700}
.logo-text span{font-size:11.5px;color:var(--text-3)}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto;font-size:15px}
.nav-links a{position:relative;padding:6px 0;color:var(--text-2);transition:color .18s}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand-ink);font-weight:600}
.nav-links a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.status-pill{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:12.5px;font-weight:500;color:var(--text-2);box-shadow:var(--sh-1);
}
.status-pill .dot{
  width:7px;height:7px;border-radius:50%;background:var(--brand-1);
  box-shadow:0 0 0 0 rgba(18,199,160,.55);
  animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(18,199,160,.55)}
  70%{box-shadow:0 0 0 8px rgba(18,199,160,0)}
  100%{box-shadow:0 0 0 0 rgba(18,199,160,0)}
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
  transition:border-color .18s,color .18s;
}
.nav-toggle:hover{border-color:rgba(18,199,160,.45);color:var(--brand-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}

/* 移动端抽屉 */
.nav-drawer{
  position:fixed;inset:0;z-index:120;background:#fff;
  transform:translateX(100%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;gap:8px;padding:18px 20px 32px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  display:grid;place-items:center;font-size:22px;line-height:1;color:var(--text-2);
  transition:border-color .18s,color .18s;
}
.drawer-close:hover{border-color:rgba(18,199,160,.45);color:var(--brand-ink)}
.drawer-nav{display:flex;flex-direction:column;padding:10px 0 18px}
.drawer-nav a{
  padding:14px 4px;font-size:16px;font-weight:500;color:var(--text-2);
  border-bottom:1px solid var(--line);transition:color .18s,padding-left .18s;
}
.drawer-nav a:hover,.drawer-nav a:focus-visible{color:var(--brand-ink);padding-left:10px}
.drawer-nav a.is-active{color:var(--brand-ink);font-weight:700}
.drawer-cta{display:flex;flex-direction:column;gap:12px;margin-top:auto}
body.is-locked{overflow:hidden}

/* ============ 页面头 ============ */
.page-hero{position:relative;overflow:hidden;padding:56px 0 60px;background:#fff;border-bottom:1px solid var(--line)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.16;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.82) 45%,rgba(247,248,251,.72) 100%);
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-2);transition:color .18s}
.breadcrumb a:hover{color:var(--brand-ink)}
.breadcrumb .sep{color:var(--text-3);opacity:.7}
.breadcrumb .current{color:var(--text);font-weight:600}
.page-hero h1{font-size:clamp(30px,4.4vw,50px);font-weight:700;line-height:1.15;max-width:16em}
.page-hero .lede{margin-top:18px;max-width:620px;font-size:17px;color:var(--text-2)}
.hero-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;font-weight:500;color:var(--text-2);box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),border-color .18s,color .18s,box-shadow .18s;
}
.pill:hover{transform:translateY(-1px);border-color:rgba(18,199,160,.45);color:var(--brand-ink);box-shadow:var(--sh-2)}
.pill:focus-visible{outline:2px solid var(--brand-ink);outline-offset:2px}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--brand-1);display:block}

/* ============ 流程时间轴 + 侧栏 ============ */
.flow-section{padding:88px 0}
.flow-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start}
.timeline{position:relative;padding-left:56px}
.timeline::before{
  content:"";position:absolute;left:19px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(18,199,160,.65) 0%,rgba(108,92,231,.45) 100%);
}
.tl-item{position:relative;margin-bottom:24px}
.tl-item:last-child{margin-bottom:0}
.tl-num{
  position:absolute;left:-56px;top:2px;width:40px;height:40px;border-radius:50%;
  background:var(--grad);color:#fff;display:grid;place-items:center;
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
  border:3px solid #fff;box-shadow:0 8px 18px rgba(18,199,160,.26);
}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,199,160,.35)}
.tl-card h3{font-size:20px;font-weight:600}
.tl-card .tl-desc{margin-top:10px;font-size:15.5px;color:var(--text-2)}
.tl-points{margin-top:16px;display:grid;gap:8px}
.tl-points li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--text-2);line-height:1.75;
}
.tl-points li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand-1);
}
.rail{display:flex;flex-direction:column;gap:18px;position:sticky;top:98px}
.rail-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-1);
}
.rail-card h4{font-size:14px;font-weight:600;color:var(--text-3);letter-spacing:.02em}
.rail-stat{display:flex;align-items:baseline;gap:8px;margin-top:6px}
.rail-stat b{
  font-size:42px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.rail-stat span{font-size:14px;color:var(--text-2)}
.rail-card p{margin-top:10px;font-size:13.5px;line-height:1.7;color:var(--text-3)}
.rail-figure{border-radius:var(--r-sm);overflow:hidden;background:#EEF1F7}
.rail-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rail-note{
  font-size:13px;line-height:1.7;color:var(--text-3);
  border-left:3px solid rgba(18,199,160,.45);padding-left:12px;
}

/* ============ 方案速览表 ============ */
.plans-section{padding:0 0 96px}
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--card);box-shadow:var(--sh-1);
}
table{width:100%;border-collapse:collapse;min-width:720px;font-size:15px}
thead th{
  background:#F2F5FA;text-align:left;padding:15px 20px;
  font-size:13.5px;font-weight:600;color:var(--text-2);white-space:nowrap;
}
tbody td{padding:16px 20px;border-top:1px solid var(--line);color:var(--text-2);vertical-align:top}
tbody td:first-child{font-weight:600;color:var(--text);white-space:nowrap}
tbody tr:nth-child(even){background:#FAFBFD}
tbody tr:hover{background:rgba(18,199,160,.05)}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;font-size:12.5px;font-weight:500;
  background:rgba(18,199,160,.10);color:var(--brand-ink);border:1px solid rgba(18,199,160,.22);
}
.tag.accent{background:rgba(255,122,61,.10);color:#C24E13;border-color:rgba(255,122,61,.24)}
.tag.neutral{background:#F1F3F8;color:var(--text-2);border-color:var(--line)}

/* ============ 核对要点 ============ */
.points-section{padding:0 0 96px}
.points-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.point-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,199,160,.35)}
.point-card h3{font-size:21px;font-weight:600;margin-bottom:12px}
.point-card p{font-size:15.5px;color:var(--text-2)}
.point-list{margin-top:18px;display:grid;gap:10px}
.point-list li{
  display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.75;
}
.point-list li::before{
  content:"✓";flex:0 0 auto;width:20px;height:20px;border-radius:50%;
  background:rgba(18,199,160,.12);color:var(--brand-ink);
  font-size:12px;display:grid;place-items:center;margin-top:4px;
}

/* ============ 近期调整 ============ */
.news-section{padding:0 0 96px}
.note-list{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.note-item{
  display:flex;gap:16px;align-items:flex-start;padding:24px 28px;
  transition:background .18s;
}
.note-item + .note-item{border-top:1px solid var(--line)}
.note-item:hover{background:#FAFBFD}
.note-icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:rgba(108,92,231,.10);
  color:var(--brand-2);display:grid;place-items:center;font-size:15px;font-weight:700;
}
.note-body h4{font-size:16px;font-weight:600}
.note-body p{font-size:14.5px;color:var(--text-2);margin-top:6px}
.note-meta{font-size:12.5px;color:var(--text-3);margin-top:8px;font-variant-numeric:tabular-nums}

/* ============ FAQ ============ */
.faq-section{padding:0 0 96px}
.faq-list{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 26px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:color .18s,background .18s;
}
.faq-q:hover{color:var(--brand-ink);background:#FAFBFD}
.faq-q:focus-visible{outline:2px solid var(--brand-ink);outline-offset:-2px}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text-2);position:relative;
  transition:transform .22s var(--ease),border-color .18s,color .18s;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:rgba(18,199,160,.5);color:var(--brand-ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-a p{padding:0 26px 22px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ============ 底部 CTA ============ */
.cta-section{padding:0 0 96px}
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;
  background:linear-gradient(135deg,#101326 0%,#141833 60%,#1B2145 100%);
  padding:52px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--sh-2);
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,199,160,.30) 0%,rgba(18,199,160,0) 70%);
}
.cta-band::after{
  content:"";position:absolute;left:-60px;bottom:-160px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,92,231,.32) 0%,rgba(108,92,231,0) 70%);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.3}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.72);font-size:15.5px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}
.cta-actions .btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
.cta-actions .btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);background:rgba(18,199,160,.08)}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--dark);color:#fff;padding:64px 0 28px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);
}
.footer-grid{
  display:grid;grid-template-columns:4fr 2.2fr 2.2fr 3fr;gap:40px;
}
.f-brand .logo{margin-bottom:18px}
.f-brand .logo-text b{color:#fff}
.f-brand .logo-text span{color:rgba(255,255,255,.55)}
.f-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px}
.f-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.f-col ul{display:grid;gap:10px}
.f-col a{font-size:14px;color:rgba(255,255,255,.62);transition:color .18s}
.f-col a:hover{color:var(--brand-1)}
.f-col span{font-size:14px;color:rgba(255,255,255,.55);line-height:1.7}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.6)}
.fb-links{display:flex;gap:20px;flex-wrap:wrap}
.fb-links a{font-size:13px;color:rgba(255,255,255,.6);transition:color .18s}
.fb-links a:hover{color:var(--brand-1)}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:32px;bottom:32px;z-index:80;
  display:inline-flex;align-items:center;gap:10px;height:56px;padding:0 26px;
  border-radius:999px;background:var(--grad-accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--sh-accent);opacity:0;pointer-events:none;transform:translateY(12px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),filter .18s;
}
.float-cta.is-on{opacity:1;pointer-events:auto;transform:translateY(0)}
.float-cta:hover{filter:brightness(1.06)}
.float-cta:focus-visible{outline:2px solid #fff;outline-offset:3px}
.float-cta i{width:8px;height:8px;border-radius:50%;background:#fff;display:block;opacity:.9}
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  gap:12px;padding:12px 18px calc(12px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-top:1px solid var(--line);
}
.mobile-bar .btn{flex:1;height:46px}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .flow-grid{grid-template-columns:minmax(0,1fr) 290px;gap:36px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .header-actions .status-pill{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:64px;gap:14px}
  .flow-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .rail{position:static;flex-direction:row;flex-wrap:wrap}
  .rail-card{flex:1 1 260px}
  .rail-figure{flex:1 1 100%}
  .float-cta{display:none}
  .mobile-bar{display:flex}
  body{padding-bottom:80px}
  .section{padding:72px 0}
  .flow-section,.plans-section,.points-section,.news-section,.faq-section,.cta-section{padding-bottom:72px}
  .flow-section{padding-top:72px}
  .points-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .f-brand{grid-column:1 / -1}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px;gap:26px}
  .cta-actions{width:100%}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .site-header .logo-text span{display:none}
  .page-hero{padding:40px 0 44px}
  .page-hero .lede{font-size:16px}
  .timeline{padding-left:44px}
  .timeline::before{left:15px}
  .tl-num{left:-44px;width:32px;height:32px;font-size:13px;border-width:2px}
  .tl-card{padding:20px}
  .tl-card h3{font-size:18px}
  .point-card{padding:24px}
  .faq-q{font-size:15px;padding:18px 20px}
  .faq-a p{padding:0 20px 20px}
  .note-item{padding:20px}
  .cta-band{padding:32px 24px;border-radius:22px}
  .cta-actions .btn{flex:1 1 100%}
  .section{padding:56px 0}
  .flow-section,.plans-section,.points-section,.news-section,.faq-section,.cta-section{padding-bottom:56px}
  .flow-section{padding-top:56px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:479px){
  .page-hero h1{font-size:28px}
  .btn{height:44px;padding:0 20px;font-size:14.5px}
  .hero-pills .pill{flex:1 1 100%;justify-content:center}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .rail-card{flex:1 1 100%}
  .rail-stat b{font-size:34px}
}

/* roulang page: category4 */
:root{
  --brand-a:#12C7A0;
  --brand-b:#6C5CE7;
  --accent:#FF7A3D;
  --bg:#F7F8FB;
  --card:#FFFFFF;
  --dark:#101326;
  --dark-2:#141833;
  --text:#151825;
  --text-2:#5A5F73;
  --text-3:#8A90A6;
  --line:#E6E8F0;
  --line-dark:rgba(255,255,255,.10);
  --grad:linear-gradient(135deg,#12C7A0 0%,#6C5CE7 100%);
  --grad-soft:linear-gradient(135deg,rgba(18,199,160,.12),rgba(108,92,231,.12));
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-xs:12px;
  --sh-1:0 8px 24px rgba(16,19,38,.06);
  --sh-2:0 16px 40px rgba(16,19,38,.12);
  --sh-brand:0 10px 24px rgba(18,199,160,.28);
  --container:1200px;
  --t:180ms ease-out;
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
input,textarea,select{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--brand-a);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-a);
  background:rgba(18,199,160,.10);
  border:1px solid rgba(18,199,160,.22);
  padding:6px 14px;border-radius:999px;line-height:1.4;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-a)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{
  font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;
  margin-top:16px;letter-spacing:0;
}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.8}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);color:#fff;box-shadow:var(--sh-brand);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 30px rgba(18,199,160,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(18,199,160,.20)}
.btn-ghost{
  background:transparent;color:var(--text);border:1px solid var(--line);
}
.btn-ghost:hover{border-color:rgba(18,199,160,.5);color:var(--brand-a);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-ghost:active{transform:translateY(0);box-shadow:none}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(255,122,61,.28)}
.btn-accent:hover{transform:translateY(-1px);filter:brightness(1.06)}
.btn-accent:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,122,61,.2)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-lg{height:54px;padding:0 32px;font-size:16px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(247,248,251,.92);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(16,19,38,.05)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-size:18px;font-weight:700;
  box-shadow:0 6px 16px rgba(18,199,160,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text b{font-size:17px;font-weight:700;letter-spacing:0}
.logo-text span{font-size:11px;color:var(--text-3);font-weight:500;letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;padding:8px 12px;font-size:15px;font-weight:500;color:var(--text-2);
  border-radius:10px;transition:color var(--t),background var(--t);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;
  background:var(--grad);opacity:0;transform:scaleX(.4);transition:opacity var(--t),transform var(--t);
}
.nav-links a:hover{color:var(--text);background:rgba(18,199,160,.07)}
.nav-links a.is-active{color:var(--brand-a);font-weight:600}
.nav-links a.is-active::after{opacity:1;transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.live-badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:600;color:var(--text-2);
  background:#fff;border:1px solid var(--line);
  padding:6px 12px;border-radius:999px;line-height:1.3;
}
.live-badge .dot{
  width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 0 rgba(255,122,61,.5);animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,122,61,.45)}
  70%{box-shadow:0 0 0 8px rgba(255,122,61,0)}
  100%{box-shadow:0 0 0 0 rgba(255,122,61,0)}
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- Drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;background:var(--bg);
  display:flex;flex-direction:column;
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform 260ms ease,opacity 200ms ease;
  padding:20px 24px calc(28px + env(safe-area-inset-bottom));
}
.drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:20px;line-height:1;display:grid;place-items:center;color:var(--text-2);
}
.drawer-close:hover{color:var(--text);border-color:rgba(18,199,160,.4)}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-top:16px;overflow-y:auto}
.drawer-links a{
  padding:14px 12px;border-radius:12px;font-size:16px;font-weight:500;color:var(--text);
  transition:background var(--t),color var(--t);
}
.drawer-links a:hover{background:rgba(18,199,160,.08)}
.drawer-links a.is-active{color:var(--brand-a);background:rgba(18,199,160,.10);font-weight:600}
.drawer-cta{margin-top:auto;width:100%}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  padding:88px 0 76px;
  background-image:linear-gradient(135deg,rgba(16,19,38,.94) 0%,rgba(20,24,51,.88) 55%,rgba(108,92,231,.62) 100%),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,199,160,.28),transparent 65%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px}
.crumbs a{color:rgba(255,255,255,.78);transition:color var(--t)}
.crumbs a:hover{color:#fff}
.crumbs .sep{opacity:.45}
.crumbs .cur{color:#fff;font-weight:500}
.page-hero .eyebrow{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.18);color:#fff}
.page-hero .eyebrow .dot{background:var(--accent)}
.page-hero h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.18;font-weight:700;
  margin-top:18px;max-width:16em;letter-spacing:0;
}
.page-hero .lead{
  margin-top:16px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.78);max-width:44em;
}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.pill-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;font-size:14px;font-weight:600;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.20);color:#fff;
  transition:background var(--t),border-color var(--t),transform var(--t);
}
.pill-link:hover{background:rgba(255,255,255,.16);border-color:rgba(18,199,160,.6);transform:translateY(-1px)}
.pill-link:active{transform:translateY(0)}
.pill-link i{font-style:normal;color:var(--brand-a);font-weight:700}

/* ---------- Compare ---------- */
.compare-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.compare-head{
  display:grid;grid-template-columns:1fr 1fr;
  background:var(--grad-soft);border-bottom:1px solid var(--line);
}
.compare-head div{
  padding:20px 28px;font-size:15px;font-weight:700;
}
.compare-head div:first-child{color:var(--text-2)}
.compare-head div:last-child{color:var(--brand-a);border-left:1px solid var(--line)}
.compare-row{
  display:grid;grid-template-columns:1fr 1fr;
  border-bottom:1px solid var(--line);
  transition:background var(--t);
}
.compare-row:last-child{border-bottom:0}
.compare-row:hover{background:#FBFCFE}
.compare-cell{padding:24px 28px;display:flex;gap:14px;align-items:flex-start;font-size:15px;line-height:1.8}
.compare-cell:last-child{border-left:1px solid var(--line)}
.compare-cell .num{
  flex:none;width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
  font-size:12px;font-weight:700;margin-top:3px;
}
.compare-cell.muted .num{background:#EEF0F6;color:var(--text-3)}
.compare-cell.muted p{color:var(--text-2)}
.compare-cell.truth .num{background:rgba(18,199,160,.14);color:var(--brand-a)}
.compare-cell.truth p{color:var(--text);font-weight:500}
.compare-note{
  padding:18px 28px;background:#FBFCFE;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ---------- Check / 图文 ---------- */
.check-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:30px}
.check-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(18,199,160,.35)}
.check-item .ic{
  flex:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad-soft);color:var(--brand-a);font-size:16px;font-weight:700;
}
.check-item h3{font-size:16px;font-weight:600;line-height:1.5}
.check-item p{font-size:14px;color:var(--text-2);line-height:1.75;margin-top:4px}
.check-media{position:relative}
.check-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:var(--sh-2);background:#EEF0F6;
}
.media-tag{
  position:absolute;left:20px;bottom:20px;
  background:rgba(16,19,38,.86);color:#fff;
  padding:12px 18px;border-radius:14px;font-size:13px;line-height:1.5;
  backdrop-filter:blur(6px);
}
.media-tag b{display:block;font-size:20px;color:var(--brand-a);font-variant-numeric:tabular-nums}

/* ---------- Data strip ---------- */
.data-strip{
  display:flex;gap:14px;overflow-x:auto;padding:6px 2px 12px;
  scrollbar-width:thin;
}
.data-badge{
  flex:none;display:inline-flex;align-items:baseline;gap:8px;
  background:var(--card);border:1px solid var(--line);border-radius:999px;
  padding:10px 20px;box-shadow:var(--sh-1);font-size:13px;color:var(--text-2);
  white-space:nowrap;
}
.data-badge b{
  font-size:18px;font-weight:700;color:var(--brand-a);font-variant-numeric:tabular-nums;
}

/* ---------- FAQ ---------- */
.faq-shell{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:8px 28px;
}
.acc-item{border-bottom:1px solid var(--line)}
.acc-item:last-child{border-bottom:0}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 2px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:color var(--t);
}
.acc-btn:hover{color:var(--brand-a)}
.acc-btn .ic{
  flex:none;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  position:relative;transition:transform 220ms ease,border-color var(--t),background var(--t);
}
.acc-btn .ic::before,.acc-btn .ic::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--text-2);border-radius:2px;
  transform:translate(-50%,-50%);transition:background var(--t);
}
.acc-btn .ic::before{width:12px;height:2px}
.acc-btn .ic::after{width:2px;height:12px}
.acc-item.open .acc-btn{color:var(--brand-a)}
.acc-item.open .acc-btn .ic{transform:rotate(45deg);border-color:rgba(18,199,160,.5);background:rgba(18,199,160,.08)}
.acc-item.open .acc-btn .ic::before,.acc-item.open .acc-btn .ic::after{background:var(--brand-a)}
.acc-panel{max-height:0;overflow:hidden;transition:max-height 220ms ease}
.acc-panel p{
  padding:0 2px 22px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:62em;
}

/* ---------- CTA band ---------- */
.cta-band{padding:0 0 96px}
.cta-inner{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#101326 0%,#141833 60%,#241d5e 100%);
  border-radius:28px;padding:56px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  color:#fff;
}
.cta-inner::before{
  content:"";position:absolute;right:-80px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,199,160,.30),transparent 65%);
}
.cta-inner > *{position:relative;z-index:2}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;letter-spacing:0}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.72);max-width:36em;line-height:1.8}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:none}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.28)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.5)}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;background:var(--dark);color:rgba(255,255,255,.72);
  padding:64px 0 28px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);
}
.footer-grid{
  display:grid;grid-template-columns:4fr 2.2fr 2.2fr 3fr;gap:48px;
}
.f-brand .logo{margin-bottom:18px}
.f-brand .logo-text b{color:#fff}
.f-brand .logo-text span{color:rgba(255,255,255,.5)}
.f-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:30em}
.f-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.f-col ul{display:flex;flex-direction:column;gap:11px}
.f-col a,.f-col span{font-size:14px;color:rgba(255,255,255,.62);line-height:1.7;transition:color var(--t)}
.f-col a:hover{color:var(--brand-a)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.45)}
.fb-links{display:flex;gap:22px}
.fb-links a{font-size:13px;color:rgba(255,255,255,.55);transition:color var(--t)}
.fb-links a:hover{color:var(--brand-a)}

/* ---------- Float CTA ---------- */
.float-cta{
  position:fixed;right:32px;bottom:32px;z-index:80;
  display:inline-flex;align-items:center;gap:10px;height:56px;padding:0 26px;
  border-radius:999px;background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 14px 34px rgba(18,199,160,.34);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity 220ms ease,transform 220ms ease,filter var(--t);
}
.float-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{filter:brightness(1.06);transform:translateY(-1px)}
.float-cta:active{transform:translateY(0)}
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:85;
  background:rgba(247,248,251,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding:10px 18px calc(10px + env(safe-area-inset-bottom));
  gap:10px;
}
.mobile-bar .btn{flex:1;height:46px}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .footer-grid{grid-template-columns:3fr 2fr 2fr;gap:40px}
  .f-brand{grid-column:1 / -1}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .live-badge{display:none}
  .header-inner{height:64px;gap:16px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .check-grid{grid-template-columns:1fr;gap:36px}
  .check-media{order:-1}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:44px 36px;gap:28px}
  .page-hero{padding:64px 0 56px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .header-actions .btn-primary{display:none}
  .page-hero{padding:48px 0 44px}
  .page-hero .lead{font-size:15px}
  .compare-head{grid-template-columns:1fr}
  .compare-head div:last-child{border-left:0;border-top:1px solid var(--line)}
  .compare-row{grid-template-columns:1fr}
  .compare-cell{padding:18px 20px}
  .compare-cell:last-child{border-left:0;border-top:1px dashed var(--line)}
  .faq-shell{padding:4px 18px}
  .acc-btn{padding:18px 2px;font-size:15px}
  .cta-inner{padding:34px 24px;border-radius:22px}
  .cta-band{padding-bottom:56px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  .float-cta{display:none}
  .mobile-bar{display:flex}
  body{padding-bottom:80px}
  .data-strip{margin:0 -18px;padding-left:18px;padding-right:18px}
}
@media (max-width:519px){
  .logo-text span{display:none}
  .btn{width:100%}
  .header-actions .btn{width:auto}
  .mobile-bar .btn{width:auto}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .hero-pills .pill-link{width:100%;justify-content:center}
  .check-item{padding:16px}
}