/* roulang page: index */
:root{
  --bg:#F6FCFA;
  --bg-soft:#EDF7F4;
  --surface:#FFFFFF;
  --surface-2:#F1F9F7;
  --primary:#12B49A;
  --primary-deep:#0A8C7C;
  --primary-soft:rgba(18,180,154,.10);
  --accent:#FF7A45;
  --accent-soft:rgba(255,122,69,.12);
  --amber:#FFC24B;
  --text:#12232E;
  --text-2:#4E6771;
  --text-3:#8299A3;
  --line:rgba(18,35,46,.09);
  --line-strong:rgba(18,35,46,.16);
  --radius:18px;
  --radius-lg:24px;
  --radius-pill:999px;
  --shadow-sm:0 8px 22px -14px rgba(12,60,52,.45);
  --shadow:0 18px 46px -22px rgba(12,60,52,.50);
  --shadow-lg:0 30px 70px -30px rgba(10,80,68,.55);
  --glow:0 0 0 1px rgba(18,180,154,.35), 0 16px 36px -14px rgba(18,180,154,.55);
  --ease:cubic-bezier(.4,0,.2,1);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);
  background:
    radial-gradient(900px 520px at 88% -6%, rgba(18,180,154,.16), transparent 62%),
    radial-gradient(720px 460px at -8% 44%, rgba(255,122,69,.10), transparent 60%),
    linear-gradient(180deg,#F8FDFC 0%, #F2FAF8 46%, #EEF7F5 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(18,180,154,.05) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(18,180,154,.05) 1px, transparent 1px);
  background-size:34px 34px;
  mask-image:radial-gradient(1000px 700px at 50% 0%, rgba(0,0,0,.85), transparent 78%);
  -webkit-mask-image:radial-gradient(1000px 700px at 50% 0%, rgba(0,0,0,.85), transparent 78%);
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--primary-deep);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary);}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin:0 0 44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--primary-deep);
  background:var(--primary-soft);border:1px solid rgba(18,180,154,.22);
  padding:6px 14px;border-radius:var(--radius-pill);margin-bottom:16px;
}
.section-title{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.35;letter-spacing:-.01em;}
.section-title em{font-style:normal;color:var(--primary-deep);}
.section-desc{margin-top:14px;font-size:16px;color:var(--text-2);line-height:1.85;}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong) 18%,var(--line-strong) 82%,transparent);}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  padding:15px 28px;border-radius:14px;border:1px solid transparent;
  transition:all .22s var(--ease);cursor:pointer;
}
.btn-primary{
  background:linear-gradient(180deg,#1CC6AB, var(--primary));
  color:#04302A;box-shadow:var(--glow);
}
.btn-primary:hover{color:#04302A;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(18,180,154,.5),0 22px 42px -14px rgba(18,180,154,.7);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:rgba(255,255,255,.72);color:var(--primary-deep);
  border-color:rgba(18,180,154,.38);box-shadow:var(--shadow-sm);
}
.btn-ghost:hover{background:var(--primary-soft);border-color:rgba(18,180,154,.7);color:var(--primary-deep);transform:translateY(-2px);}
.btn-text{color:var(--primary-deep);padding:8px 0;font-weight:600;}
.btn-text i{transition:transform .22s var(--ease);}
.btn-text:hover i{transform:translateX(4px);}
.btn-sm{padding:11px 20px;font-size:14px;border-radius:12px;}
.btn-block{width:100%;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(248,253,252,.78);
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  border-bottom:1px solid rgba(18,35,46,.07);
  transition:box-shadow .25s var(--ease), background .25s var(--ease), padding .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(248,253,252,.92);box-shadow:0 14px 34px -26px rgba(12,60,52,.7);}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:76px;transition:min-height .25s var(--ease);}
.site-header.is-scrolled .nav-inner{min-height:66px;}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--primary),#0C9A86);
  color:#EAFFFA;display:flex;align-items:center;justify-content:center;
  font-size:17px;box-shadow:0 10px 22px -12px rgba(18,180,154,.9);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text strong{font-size:17px;font-weight:800;color:var(--text);letter-spacing:.02em;}
.logo-text em{font-style:normal;font-size:12px;font-weight:600;color:var(--primary-deep);letter-spacing:.14em;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:10px 14px;border-radius:12px;transition:all .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(18,180,154,.07);}
.nav-link.is-active{color:var(--primary-deep);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.8);border:1px solid var(--line);
  color:var(--text);font-size:18px;align-items:center;justify-content:center;
}
.drawer{
  position:fixed;inset:0;z-index:80;background:rgba(246,252,250,.98);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  padding:22px 20px 32px;display:flex;flex-direction:column;
  transform:translateY(-102%);transition:transform .34s var(--ease);
}
.drawer.is-open{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;font-size:17px;color:var(--text-2);
}
.drawer nav{display:flex;flex-direction:column;}
.drawer nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:54px;padding:0 14px;border-radius:14px;
  font-size:16px;font-weight:500;color:var(--text-2);
  border-left:3px solid transparent;
}
.drawer nav a.is-active{color:var(--primary-deep);border-left-color:var(--primary);background:var(--primary-soft);font-weight:600;}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}

/* ============ hero ============ */
.hero{padding:78px 0 92px;position:relative;overflow:hidden;}
.hero-row{align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:8px 16px;
  background:#fff;border:1px solid rgba(18,180,154,.25);border-radius:var(--radius-pill);
  font-size:13.5px;font-weight:600;color:var(--primary-deep);box-shadow:var(--shadow-sm);
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);}
.hero h1{
  margin:22px 0 0;font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.24;letter-spacing:-.01em;
}
.hero h1 span{color:var(--primary-deep);}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:var(--text-2);max-width:600px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.trust-row{display:flex;flex-wrap:wrap;gap:26px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line);}
.trust-item{display:flex;align-items:center;gap:11px;}
.trust-item i{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary-deep);font-size:15px;
}
.trust-item b{display:block;font-size:14.5px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;}
.trust-item small{display:block;font-size:12.5px;color:var(--text-3);}

.hero-visual{position:relative;}
.visual-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.6);
  aspect-ratio:16/11;background:var(--surface-2);
}
.visual-card img{width:100%;height:100%;object-fit:cover;}
.visual-overlay{
  position:absolute;inset:0;
  background:linear-gradient(150deg, rgba(7,32,30,.55), rgba(7,32,30,.12) 55%, rgba(18,180,154,.28));
}
.visual-badge{
  position:absolute;left:20px;bottom:20px;right:20px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;border-radius:16px;
  background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.4);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  color:#F3FFFC;
}
.visual-badge b{font-size:15px;font-weight:700;display:block;}
.visual-badge small{font-size:12.5px;opacity:.86;}
.visual-badge .arrow{
  width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.9);
  color:var(--primary-deep);display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.float-chip{
  position:absolute;display:flex;align-items:center;gap:10px;
  padding:11px 15px;border-radius:14px;background:rgba(255,255,255,.94);
  border:1px solid rgba(18,180,154,.22);box-shadow:var(--shadow);
  animation:floaty 5.5s ease-in-out infinite;
}
.float-chip i{color:var(--primary-deep);font-size:15px;}
.float-chip b{display:block;font-size:13.5px;font-weight:700;color:var(--text);}
.float-chip small{display:block;font-size:11.5px;color:var(--text-3);}
.chip-a{top:-16px;left:-14px;}
.chip-b{bottom:-18px;right:-10px;animation-delay:1.4s;}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-9px);}}

/* ============ metrics ============ */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:rgba(255,255,255,.7);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;
}
.metric{padding:30px 24px;text-align:center;border-right:1px solid var(--line);}
.metric:last-child{border-right:0;}
.metric b{
  display:block;font-size:30px;font-weight:800;color:var(--primary-deep);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.2;
}
.metric span{display:block;margin-top:8px;font-size:13.5px;color:var(--text-3);}

/* ============ feature grid ============ */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(18,180,154,.3);}
.card-icon{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:19px;background:var(--primary-soft);color:var(--primary-deep);margin-bottom:18px;
}
.card h3{font-size:19px;font-weight:700;line-height:1.45;}
.card p{margin-top:12px;font-size:15px;color:var(--text-2);line-height:1.85;}
.card-lg{grid-column:span 6;min-height:320px;display:flex;flex-direction:column;justify-content:center;}
.card-sm{grid-column:span 3;min-height:210px;}
.card-md{grid-column:span 4;min-height:250px;}
.card-lg::before,.card-md::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),transparent);}
.card-md:nth-of-type(4)::before{background:linear-gradient(90deg,var(--accent),transparent);}
.card-md:nth-of-type(5)::before{background:linear-gradient(90deg,var(--amber),transparent);}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:11px;}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2);}
.check-list li i{color:var(--primary);font-size:13px;margin-top:6px;}

/* ============ scenes ============ */
.scene{display:grid;grid-template-columns:repeat(12,1fr);gap:48px;align-items:center;padding:44px 0;}
.scene + .scene{border-top:1px solid var(--line);}
.scene-media{grid-column:span 6;border-radius:var(--radius-lg);overflow:hidden;position:relative;box-shadow:var(--shadow);aspect-ratio:16/10;}
.scene-media img{width:100%;height:100%;object-fit:cover;}
.scene-media::after{content:"";position:absolute;inset:0;background:linear-gradient(140deg,rgba(18,180,154,.16),rgba(255,122,69,.08));}
.scene-body{grid-column:span 6;}
.scene.reverse .scene-media{order:2;}
.scene.reverse .scene-body{order:1;}
.scene-tag{
  display:inline-block;padding:5px 13px;border-radius:var(--radius-pill);
  background:var(--accent-soft);color:#C6552A;font-size:12.5px;font-weight:600;
}
.scene-body h3{margin-top:14px;font-size:23px;font-weight:700;line-height:1.4;}
.scene-body p{margin-top:14px;font-size:15.5px;color:var(--text-2);line-height:1.9;}
.scene-body .btn-text{margin-top:14px;display:inline-flex;align-items:center;gap:6px;font-size:15px;}

/* ============ rail ============ */
.rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.rail-nav{display:flex;gap:10px;}
.rail-btn{
  width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line);
  color:var(--text-2);display:flex;align-items:center;justify-content:center;font-size:15px;
  box-shadow:var(--shadow-sm);transition:all .2s var(--ease);
}
.rail-btn:hover{color:var(--primary-deep);border-color:rgba(18,180,154,.5);box-shadow:var(--glow);}
.rail{display:flex;gap:24px;overflow-x:auto;padding:34px 4px 18px;scroll-snap-type:x mandatory;scrollbar-width:none;}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 360px;scroll-snap-align:start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;
  box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform .22s var(--ease), box-shadow .22s var(--ease);
}
.rail-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.rail-card h3{margin-top:16px;font-size:18px;font-weight:700;line-height:1.5;}
.rail-card p{margin-top:12px;font-size:14.5px;color:var(--text-2);line-height:1.8;}
.rail-stats{display:flex;gap:26px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);}
.rail-stats b{display:block;font-size:17px;font-weight:800;color:var(--primary-deep);font-variant-numeric:tabular-nums;}
.rail-stats small{display:block;font-size:12px;color:var(--text-3);}

/* ============ plans ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.plan-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px 28px;box-shadow:var(--shadow-sm);position:relative;
  transition:transform .22s var(--ease), box-shadow .22s var(--ease);
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.plan-card.featured{
  border-color:rgba(18,180,154,.45);box-shadow:var(--glow);
  padding:58px 28px;margin-top:-24px;background:linear-gradient(180deg,#FFFFFF,#F4FCFA);
}
.ribbon{
  position:absolute;top:18px;right:18px;padding:5px 13px;border-radius:var(--radius-pill);
  background:var(--accent);color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em;
}
.plan-name{font-size:19px;font-weight:700;}
.plan-note{margin-top:8px;font-size:13.5px;color:var(--text-3);}
.plan-price{margin:22px 0 6px;display:flex;align-items:baseline;gap:8px;}
.plan-price b{font-size:38px;font-weight:800;color:var(--text);letter-spacing:-.02em;font-variant-numeric:tabular-nums;}
.plan-card.featured .plan-price b{color:var(--primary-deep);}
.plan-price span{font-size:13.5px;color:var(--text-3);}
.plan-list{margin:24px 0 28px;display:flex;flex-direction:column;gap:12px;}
.plan-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2);}
.plan-list li i{color:var(--primary);font-size:13px;margin-top:6px;}
.plan-foot{font-size:13px;color:var(--text-3);text-align:center;margin-top:26px;}

/* ============ news ============ */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;
  box-shadow:var(--shadow-sm);color:var(--text);
  transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
  position:relative;overflow:hidden;height:100%;
}
.news-card::after{
  content:"";position:absolute;top:0;left:0;width:0;height:2px;background:var(--primary);
  transition:width .3s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(18,180,154,.3);color:var(--text);}
.news-card:hover::after{width:56px;}
.news-badge{
  align-self:flex-start;padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--primary-soft);color:var(--primary-deep);font-size:12.5px;font-weight:600;
}
.news-card h3{
  margin-top:14px;font-size:16.5px;font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  margin-top:12px;font-size:13.5px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.news-meta i{transition:transform .22s var(--ease);}
.news-card:hover .news-meta i{color:var(--primary-deep);transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:54px 24px;
  background:var(--surface-2);border:1px dashed var(--line-strong);border-radius:var(--radius-lg);
}
.empty-state i{font-size:26px;color:var(--primary);}
.empty-state p{margin-top:14px;color:var(--text-2);font-size:15px;}

/* ============ faq ============ */
.faq{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:14px;overflow:hidden;transition:box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.faq-item[open]{border-color:rgba(18,180,154,.35);box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16.5px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-ico{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid rgba(18,180,154,.35);color:var(--primary-deep);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .25s var(--ease), background .25s var(--ease);
}
.faq-item[open] .faq-ico{transform:rotate(45deg);background:var(--primary-soft);}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--text-2);line-height:1.9;border-left:3px solid transparent;}
.faq-item[open] .faq-body{border-left-color:var(--primary);}

/* ============ cta ============ */
.cta-banner{
  position:relative;overflow:hidden;border-radius:26px;
  background:linear-gradient(120deg,#0F8F7E,#12B49A 55%,#3FD8B8);
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 34px 70px -34px rgba(10,120,104,.9);
}
.cta-banner::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  top:-200px;right:-100px;background:rgba(255,255,255,.16);
}
.cta-banner::after{
  content:"";position:absolute;width:300px;height:300px;border-radius:50%;
  bottom:-180px;left:-60px;background:rgba(255,122,69,.28);
}
.cta-text{position:relative;z-index:1;max-width:560px;}
.cta-text h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;color:#F2FFFC;line-height:1.4;}
.cta-text p{margin-top:12px;font-size:15px;color:rgba(242,255,252,.88);line-height:1.85;}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;}
.btn-light{background:#FFFFFF;color:#0A6B5E;box-shadow:0 16px 34px -18px rgba(0,0,0,.5);}
.btn-light:hover{color:#0A6B5E;transform:translateY(-2px);}
.btn-line{background:transparent;color:#F2FFFC;border-color:rgba(255,255,255,.65);}
.btn-line:hover{background:rgba(255,255,255,.14);color:#FFFFFF;transform:translateY(-2px);}

/* ============ footer ============ */
.site-footer{margin-top:96px;background:#0C2622;color:#BFD9D3;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;}
.footer-brand .logo-text strong{color:#F1FFFB;}
.footer-brand .logo-text em{color:#57E0C4;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:#9CBCB5;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:#57E0C4;margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:#A9C7C1;transition:all .2s var(--ease);display:inline-block;}
.footer-col a:hover{color:#FFFFFF;transform:translateX(3px);}
.footer-col li span{font-size:14px;color:#A9C7C1;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.10);
  padding:24px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#84A6A0;
}
.footer-bottom a{color:#9CC4BD;}
.footer-bottom a:hover{color:#57E0C4;}

/* ============ responsive ============ */
@media screen and (max-width:1199px){
  .news-grid{grid-template-columns:repeat(3,1fr);}
  .card-sm{grid-column:span 6;}
}
@media screen and (max-width:991px){
  .main-nav,.nav-actions{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .section{padding:72px 0;}
  .hero{padding:56px 0 68px;}
  .hero-visual{margin-top:48px;}
  .chip-a{left:6px;}
  .chip-b{right:6px;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(2){border-right:0;}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line);}
  .card-lg,.card-sm,.card-md{grid-column:span 12;min-height:0;}
  .scene{grid-template-columns:1fr;gap:26px;padding:36px 0;}
  .scene-media,.scene-body{grid-column:span 12;}
  .scene.reverse .scene-media{order:1;}
  .scene.reverse .scene-body{order:2;}
  .plan-grid{grid-template-columns:1fr;gap:20px;}
  .plan-card.featured{margin-top:0;padding:34px 28px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-banner{padding:40px 30px;}
}
@media screen and (max-width:599px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .hero h1{font-size:29px;}
  .hero-sub{font-size:15.5px;}
  .hero-cta .btn{flex:1 1 100%;}
  .trust-row{gap:18px;}
  .metrics{grid-template-columns:1fr;}
  .metric{border-right:0;border-bottom:1px solid var(--line);}
  .metric:last-child{border-bottom:0;}
  .news-grid{grid-template-columns:1fr;}
  .rail-card{flex:0 0 84%;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-item summary{padding:17px 18px;font-size:15.5px;}
  .faq-body{padding:0 18px 20px;}
  .cta-banner{padding:34px 22px;border-radius:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
}

/* roulang page: article */
:root{
  --bg:#070B14;
  --bg-2:#0B1220;
  --surface:#101A2B;
  --surface-2:#16223A;
  --primary:#2FE3C0;
  --primary-deep:#16A8A0;
  --accent:#FF7A45;
  --amber:#FFC24B;
  --text:#EAF2FF;
  --text-2:#A7B6CE;
  --text-3:#6E7F99;
  --line:rgba(255,255,255,.08);
  --glass-bg:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.09);
  --radius-lg:20px;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 8px 24px -12px rgba(0,0,0,.7);
  --shadow-hover:0 18px 44px -16px rgba(0,0,0,.85);
  --glow:0 0 0 1px rgba(47,227,192,.45),0 10px 34px -10px rgba(47,227,192,.55);
  --container:1200px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(760px 520px at 88% -6%,rgba(47,227,192,.10),transparent 62%),
    radial-gradient(680px 480px at -8% 82%,rgba(255,122,69,.07),transparent 62%),
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px) 0 0/32px 32px,
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px) 0 0/32px 32px;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color 220ms var(--ease),border-color 220ms var(--ease);}
a:hover{color:#7CF2DC;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.35;letter-spacing:-.01em;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#04211C;padding:10px 18px;border-radius:0 0 12px 0;z-index:999;}
.skip-link:focus{left:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(7,11,20,.72);
  border-bottom:1px solid transparent;
  transition:background 260ms var(--ease),border-color 260ms var(--ease),backdrop-filter 260ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.86);
  border-bottom-color:rgba(255,255,255,.10);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:inset 0 -1px 0 rgba(255,255,255,.06);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;}
.site-header.is-scrolled .nav-inner{height:66px;}
.logo{display:inline-flex;align-items:center;gap:12px;color:var(--text);}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(47,227,192,.28),rgba(47,227,192,.06));
  border:1px solid rgba(47,227,192,.42);
  color:var(--primary);font-size:17px;
  box-shadow:0 0 22px -8px rgba(47,227,192,.7);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:17px;font-weight:800;letter-spacing:.01em;}
.logo-text em{font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:.14em;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;
}
.nav-link:hover{color:var(--text);}
.nav-link.is-active{color:var(--text);}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);
  opacity:0;transform:scaleX(.5);transition:opacity 240ms var(--ease),transform 240ms var(--ease);
}
.nav-link:hover::after,.nav-link.is-active::after{opacity:1;transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--glass-bg);border:1px solid var(--glass-line);color:var(--text-2);font-size:17px;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{color:var(--primary);border-color:rgba(47,227,192,.42);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);padding:14px 28px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform 220ms var(--ease),background 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease),color 220ms var(--ease);
}
.btn-sm{padding:10px 20px;font-size:14px;border-radius:10px;}
.btn-primary{background:var(--primary);color:#04231D;box-shadow:var(--glow);}
.btn-primary:hover{background:#4FEFD3;color:#04231D;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(47,227,192,.6),0 16px 40px -12px rgba(47,227,192,.75);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--primary);border-color:rgba(47,227,192,.4);}
.btn-ghost:hover{background:rgba(47,227,192,.10);border-color:rgba(47,227,192,.7);color:var(--primary);}
.btn-line{background:var(--glass-bg);border-color:var(--glass-line);color:var(--text-2);}
.btn-line:hover{color:var(--text);border-color:rgba(255,255,255,.2);background:rgba(255,255,255,.07);}

/* ---------- Hero / breadcrumb ---------- */
main{padding-top:72px;position:relative;z-index:1;}
.article-hero{
  position:relative;
  padding:56px 0 52px;
  background-image:linear-gradient(180deg,rgba(7,11,20,.74),rgba(7,11,20,.96)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:rgba(255,255,255,.2);}
.breadcrumb .current{
  color:var(--primary);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(47,227,192,.12);border:1px solid rgba(47,227,192,.28);color:var(--primary);
}
.article-hero h1{
  font-size:clamp(26px,3.4vw,40px);font-weight:700;line-height:1.35;margin:18px 0 20px;max-width:920px;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3);}
.post-meta .dot{color:rgba(255,255,255,.2);}
.post-meta span{display:inline-flex;align-items:center;gap:6px;}

/* ---------- Article body ---------- */
.article-section{padding:72px 0 24px;}
.article-wrap{max-width:760px;margin:0 auto;}
.article-content{font-size:17px;line-height:1.9;color:var(--text-2);}
.article-content p{margin:0 0 1.1em;}
.article-content h2{
  font-size:clamp(20px,2.2vw,26px);font-weight:700;color:var(--text);
  margin:40px 0 16px;padding-left:16px;position:relative;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:.95em;border-radius:3px;background:var(--primary);
}
.article-content h3{font-size:19px;font-weight:600;color:var(--text);margin:28px 0 12px;}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-content ul{list-style:disc;}
.article-content ol{list-style:decimal;}
.article-content li{margin-bottom:10px;}
.article-content li::marker{color:var(--primary);}
.article-content strong{color:var(--text);font-weight:600;}
.article-content a{color:var(--primary);border-bottom:1px solid rgba(47,227,192,.35);}
.article-content a:hover{border-bottom-color:var(--primary);}
.article-content blockquote{
  margin:24px 0;padding:16px 22px;border-left:3px solid var(--primary);
  background:rgba(47,227,192,.08);border-radius:0 14px 14px 0;color:var(--text-2);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:16px;margin:24px 0;}
.article-content figure{margin:24px 0;}
.article-content figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-content table{
  width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;font-size:15px;
  border-radius:14px;overflow:hidden;background:var(--glass-bg);
}
.article-content thead th{background:rgba(255,255,255,.06);color:var(--text);font-weight:600;}
.article-content th,.article-content td{padding:12px 16px;text-align:left;border:0;}
.article-content tbody tr:nth-child(odd){background:rgba(255,255,255,.03);}
.article-content tbody tr:hover{background:rgba(47,227,192,.06);}
.article-content hr{border:0;height:1px;background:var(--line);margin:36px 0;}
.article-foot{margin-top:52px;padding-top:26px;border-top:1px solid var(--line);}
.article-foot .label{font-size:13px;color:var(--text-3);margin-bottom:14px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag-row a,.tag-row span{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;font-size:13px;
  background:var(--glass-bg);border:1px solid var(--glass-line);color:var(--text-2);
}
.tag-row a:hover{color:var(--primary);border-color:rgba(47,227,192,.4);background:rgba(47,227,192,.08);}
.empty-state{
  text-align:center;padding:64px 26px;border-radius:var(--radius-lg);
  background:var(--glass-bg);border:1px dashed rgba(255,255,255,.16);
}
.empty-state i{font-size:30px;color:var(--text-3);}
.empty-state h2{font-size:20px;margin:18px 0 10px;}
.empty-state p{color:var(--text-3);font-size:15px;margin-bottom:24px;}
.back-row{display:flex;justify-content:center;margin-top:44px;}

/* ---------- Section head ---------- */
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:15px;line-height:1.85;}

/* ---------- Guide cards ---------- */
.guide-section{padding:72px 0;border-top:1px solid var(--line);margin-top:56px;}
.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass-bg);border:1px solid var(--glass-line);border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(47,227,192,.3);box-shadow:var(--shadow-hover);}
.post-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.post-card:hover .thumb img{transform:scale(1.05);}
.post-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.05),rgba(7,11,20,.65));
}
.post-card .card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-card h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--text);}
.post-card p{font-size:14px;color:var(--text-3);line-height:1.75;}
.post-card .card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.post-card .card-foot i{transition:transform 220ms var(--ease),color 220ms var(--ease);}
.post-card:hover .card-foot i{transform:translateX(4px);color:var(--primary);}
.card-tag{
  align-self:flex-start;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(47,227,192,.12);border:1px solid rgba(47,227,192,.26);color:var(--primary);
}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 88px;}
.cta-inner{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:40px 44px;border-radius:var(--radius-lg);
  background:linear-gradient(130deg,rgba(47,227,192,.12),rgba(16,26,43,.9) 58%);
  border:1px solid rgba(47,227,192,.24);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 24px 60px -30px rgba(47,227,192,.5);
}
.cta-inner::before,.cta-inner::after{
  content:"";position:absolute;width:260px;height:260px;border-radius:50%;filter:blur(60px);pointer-events:none;
}
.cta-inner::before{background:rgba(47,227,192,.22);top:-140px;left:-60px;}
.cta-inner::after{background:rgba(255,122,69,.16);bottom:-150px;right:-70px;}
.cta-copy{position:relative;z-index:1;max-width:600px;}
.cta-copy h2{font-size:clamp(20px,2.3vw,28px);margin-bottom:10px;}
.cta-copy p{color:var(--text-2);font-size:15px;}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,18,32,.6),rgba(7,11,20,.95));
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.85;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--primary);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col li a,.footer-col li span{font-size:14px;color:var(--text-2);transition:color 220ms var(--ease),transform 220ms var(--ease);display:inline-block;}
.footer-col li a:hover{color:var(--text);transform:translateX(2px);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .main-nav{
    position:fixed;top:72px;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    padding:24px 24px 40px;
    background:rgba(7,11,20,.94);
    backdrop-filter:blur(18px) saturate(140%);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    border-top:1px solid var(--line);
    transform:translateY(-14px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity 240ms var(--ease),transform 240ms var(--ease),visibility 240ms var(--ease);
    overflow-y:auto;
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:none;pointer-events:auto;}
  .nav-link{height:52px;display:flex;align-items:center;font-size:16px;border-bottom:1px solid var(--line);padding-left:14px;position:relative;}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--primary);}
  .nav-link.is-active::before{
    content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;background:var(--primary);
  }
  .nav-actions{display:none;}
  .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{padding:32px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  main{padding-top:66px;}
  .nav-inner{height:66px;}
  .article-hero{padding:40px 0 40px;}
  .breadcrumb .current{max-width:200px;}
  .article-section{padding:48px 0 16px;}
  .article-content{font-size:16px;}
  .guide-section{padding:56px 0;}
  .guide-grid{grid-template-columns:1fr;}
  .cta-band{padding:0 0 64px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .logo-text strong{font-size:15px;}
  .logo-text em{font-size:11px;}
  .logo-mark{width:34px;height:34px;border-radius:10px;}
  .article-content h2{padding-left:12px;}
  .btn{padding:13px 22px;font-size:14px;}
  .btn-sm{padding:10px 16px;}
}

/* roulang page: category1 */
:root{
  --bg:#F4FAF8;
  --bg-soft:#E9F5F0;
  --surface:#FFFFFF;
  --surface-2:#F2F9F6;
  --ink:#123029;
  --ink-2:#4C6C64;
  --ink-3:#83A199;
  --line:#DCECE7;
  --primary:#12B48C;
  --primary-600:#0C9473;
  --primary-soft:#E1F6EF;
  --accent:#FF7A45;
  --accent-soft:#FFEDE4;
  --amber:#FFB43B;
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:12px;
  --shadow-sm:0 8px 22px -16px rgba(12,72,58,.45);
  --shadow:0 18px 44px -26px rgba(12,72,58,.5);
  --shadow-lg:0 30px 64px -34px rgba(12,72,58,.55);
  --ease:cubic-bezier(.4,0,.2,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 420px at 88% -6%,rgba(18,180,140,.14),transparent 70%),
    radial-gradient(620px 400px at -6% 78%,rgba(255,122,69,.10),transparent 72%);
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary-600);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{
  width:min(1200px,100% - 48px);
  margin-inline:auto;
  position:relative;
  z-index:1;
}
.section{padding:84px 0}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:clamp(23px,2.5vw,32px);font-weight:800;line-height:1.35}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:15.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-600);
  font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:16px;
}
.eyebrow i{font-size:12px}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(244,250,248,.82);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.9);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -26px rgba(12,72,58,.6);
}
.nav-inner{display:flex;align-items:center;gap:26px;height:78px;transition:height .3s var(--ease)}
.site-header.is-scrolled .nav-inner{height:68px}
.logo{display:inline-flex;align-items:center;gap:11px;color:var(--ink)}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:13px;
  display:grid;place-items:center;color:#fff;font-size:17px;
  background:linear-gradient(135deg,#17C79A,#0C9473);
  box-shadow:0 12px 24px -14px rgba(18,180,140,.9);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:16px;font-weight:800;letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:12px;font-weight:600;color:var(--ink-3);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 12px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,rgba(18,180,140,0),var(--primary),rgba(18,180,140,0));
  transform:scaleX(0);transform-origin:center;transition:transform .26s var(--ease);
}
.nav-link:hover{color:var(--primary-600);background:rgba(18,180,140,.07)}
.nav-link.is-active{color:var(--primary-600);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  cursor:pointer;font-size:17px;align-items:center;justify-content:center;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary-600)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:13px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn:focus-visible{outline:3px solid rgba(18,180,140,.35);outline-offset:2px}
.btn-primary{
  background:linear-gradient(135deg,#16C79A,#0C9473);color:#fff;
  box-shadow:0 16px 30px -18px rgba(18,180,140,.95);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 38px -18px rgba(18,180,140,1);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:#fff;color:var(--primary-600);border-color:rgba(18,180,140,.4);
}
.btn-ghost:hover{background:var(--primary-soft);border-color:rgba(18,180,140,.75);transform:translateY(-2px)}
.btn-light{background:#fff;color:#0C7A5F}
.btn-light:hover{background:#F0FBF7;transform:translateY(-2px);color:#0C7A5F}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-light:hover{background:rgba(255,255,255,.16);color:#fff}
.btn-sm{padding:9px 17px;font-size:14px;border-radius:11px}
.btn-link{
  display:inline-flex;align-items:center;gap:7px;font-weight:600;font-size:14.5px;color:var(--primary-600);
}
.btn-link i{transition:transform .22s var(--ease)}
.btn-link:hover i{transform:translateX(4px)}

/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:22px;
  display:flex;flex-direction:column;
  transform:translateX(102%);
  transition:transform .34s var(--ease);
  visibility:hidden;
}
body.nav-open .drawer{transform:none;visibility:visible}
body.nav-open{overflow:hidden}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:18px;cursor:pointer;
}
.drawer-link{
  display:flex;align-items:center;height:52px;padding-left:14px;
  border-bottom:1px solid var(--line);
  font-size:16px;font-weight:600;color:var(--ink);
}
.drawer-link.is-active{color:var(--primary-600);box-shadow:inset 3px 0 0 var(--primary)}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:24px}
.drawer-cta .btn{width:100%}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--ink-3);margin-bottom:20px;
}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--primary-600)}
.breadcrumb .sep{opacity:.6}
.breadcrumb .current{color:var(--primary-600);font-weight:600}

/* ============ 内页 Hero ============ */
.page-hero{position:relative;padding:52px 0 66px;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.16;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(180deg,rgba(244,250,248,.72),rgba(244,250,248,.96));
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.hero-copy h1{
  font-size:clamp(29px,3.6vw,46px);font-weight:800;line-height:1.25;margin-bottom:18px;
}
.hero-copy h1 .hl{
  background:linear-gradient(120deg,#12B48C,#0C9473 70%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lede{font-size:16.5px;color:var(--ink-2);line-height:1.95;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.stat-chip{
  display:flex;align-items:center;gap:10px;
  padding:11px 16px;border-radius:14px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  font-size:13.5px;color:var(--ink-2);font-weight:500;
}
.stat-chip i{color:var(--primary);font-size:14px}
.hero-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-lg);background:#fff;
}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-visual .visual-bar{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-radius:16px;padding:14px 16px;display:flex;gap:14px;align-items:center;
  box-shadow:var(--shadow-sm);
}
.visual-bar .vb-icon{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary-600);font-size:16px;
}
.visual-bar strong{display:block;font-size:14.5px;font-weight:700}
.visual-bar span{font-size:12.5px;color:var(--ink-3)}
.float-tag{
  position:absolute;top:16px;left:16px;
  padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.94);
  font-size:12.5px;font-weight:600;color:var(--primary-600);
  box-shadow:var(--shadow-sm);display:inline-flex;align-items:center;gap:7px;
}
.float-tag i{color:var(--accent)}

/* ============ 侧栏 + 正文 ============ */
.layout-side{display:grid;grid-template-columns:262px 1fr;gap:52px;align-items:start}
.side-toc{
  position:sticky;top:104px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;box-shadow:var(--shadow-sm);
}
.toc-title{
  font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.08em;
  margin-bottom:14px;padding-left:12px;
}
.toc-list{display:flex;flex-direction:column;gap:4px}
.toc-link{
  display:block;padding:10px 12px;border-radius:11px;
  font-size:14.5px;color:var(--ink-2);
  border-left:3px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.toc-link:hover{background:var(--surface-2);color:var(--primary-600)}
.toc-link.is-current{
  background:var(--primary-soft);color:var(--primary-600);font-weight:600;
  border-left-color:var(--primary);
}
.toc-note{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:12.5px;color:var(--ink-3);line-height:1.75;
}
.article-body{max-width:820px}
.article-body h2{
  font-size:clamp(21px,2.1vw,27px);font-weight:800;line-height:1.4;
  padding-left:15px;border-left:4px solid var(--primary);
  margin:52px 0 18px;border-radius:2px;
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:18px;font-weight:700;margin:30px 0 12px}
.article-body p{color:var(--ink-2);margin-bottom:18px;line-height:1.95}
.article-body p strong{color:var(--ink)}
.article-body ol,.article-body ul{margin:0 0 20px}
.tick-list li{
  position:relative;padding-left:30px;margin-bottom:13px;color:var(--ink-2);line-height:1.85;
}
.tick-list li i{
  position:absolute;left:0;top:5px;color:var(--primary);font-size:15px;
}
.num-list{counter-reset:step}
.num-list li{
  position:relative;padding-left:44px;margin-bottom:16px;color:var(--ink-2);line-height:1.85;
  counter-increment:step;
}
.num-list li::before{
  content:counter(step);
  position:absolute;left:0;top:2px;
  width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary-600);
  font-size:13.5px;font-weight:700;font-variant-numeric:tabular-nums;
}
.num-list li strong{color:var(--ink)}
.callout{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 20px;border-radius:16px;margin:24px 0;
  background:var(--primary-soft);border:1px solid rgba(18,180,140,.22);
}
.callout.warn{background:var(--accent-soft);border-color:rgba(255,122,69,.28)}
.callout i{font-size:17px;color:var(--primary-600);margin-top:3px}
.callout.warn i{color:var(--accent)}
.callout p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.85}
.callout p strong{color:var(--ink)}
.shot{margin:26px 0;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.shot img{width:100%;aspect-ratio:16/9;object-fit:cover}
.shot figcaption{font-size:13px;color:var(--ink-3);padding:11px 16px;text-align:center}
.split-points{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px;margin:22px 0 26px}
.split-points div{
  padding:16px 18px;border-radius:14px;background:var(--surface-2);
  border:1px solid var(--line);font-size:14.5px;color:var(--ink-2);line-height:1.8;
}
.split-points strong{display:block;color:var(--ink);font-size:15px;margin-bottom:4px}

/* ============ 卡片 / 栅格 ============ */
.row{max-width:none;margin-left:-12px;margin-right:-12px}
.row .column,.row .columns{padding-left:12px;padding-right:12px;margin-bottom:24px}
.card{
  height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(18,180,140,.4)}
.card-icon{
  width:48px;height:48px;border-radius:15px;display:grid;place-items:center;
  font-size:18px;margin-bottom:16px;
}
.ic-green{background:var(--primary-soft);color:var(--primary-600)}
.ic-orange{background:var(--accent-soft);color:var(--accent)}
.ic-amber{background:#FFF5E0;color:#C9880B}
.ic-blue{background:#E7F1FF;color:#3B78D8}
.card h3{font-size:17.5px;font-weight:700;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--ink-2);line-height:1.85;margin-bottom:0}
.card .card-meta{
  display:inline-block;margin-bottom:14px;padding:5px 12px;border-radius:999px;
  background:var(--surface-2);color:var(--ink-3);font-size:12px;font-weight:600;
}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}

/* ============ 流程时间线 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.flow-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.flow-item:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.flow-num{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#16C79A,#0C9473);color:#fff;
  font-weight:700;font-size:15px;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  margin-bottom:14px;overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item[open]{border-color:rgba(18,180,140,.45);box-shadow:0 0 0 3px rgba(18,180,140,.08)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary-600)}
.faq-item[open] summary{color:var(--primary-600)}
.faq-ico{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;background:var(--primary-soft);color:var(--primary-600);
  font-size:12px;transition:transform .28s var(--ease);
}
.faq-item[open] .faq-ico{transform:rotate(45deg)}
.faq-answer{padding:0 24px 22px;color:var(--ink-2);font-size:15px;line-height:1.9}

/* ============ CTA ============ */
.cta-wrap{padding:0 0 84px}
.cta-band{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:44px 46px;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,#0C9473,#12B48C 58%,#3AD5AE);
  color:#fff;box-shadow:0 30px 60px -34px rgba(12,148,115,.95);
}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  right:-120px;top:-190px;background:radial-gradient(circle,rgba(255,255,255,.35),transparent 68%);
}
.cta-band::after{
  content:"";position:absolute;width:320px;height:320px;border-radius:50%;
  left:-140px;bottom:-190px;background:radial-gradient(circle,rgba(255,122,69,.4),transparent 70%);
}
.cta-text{position:relative;z-index:1;max-width:600px}
.cta-text h2{color:#fff;font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1.4}
.cta-text p{margin-top:10px;color:rgba(255,255,255,.9);font-size:15px}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:#0E2721;color:#BFD8D1;padding:66px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:36px}
.site-footer .logo{color:#fff;margin-bottom:16px}
.site-footer .logo-text em{color:#7FA79D}
.footer-brand p{color:#9ABCB3;line-height:1.9;font-size:13.5px;max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;color:#54E0BD;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{color:#9ABCB3;font-size:13.5px;line-height:1.7}
.footer-col a:hover{color:#fff;padding-left:2px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#87AAA1;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .layout-side{grid-template-columns:230px 1fr;gap:38px}
  .flow{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .main-nav,.nav-actions{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual{order:2}
  .layout-side{grid-template-columns:1fr;gap:26px}
  .side-toc{position:static;padding:16px 16px 14px}
  .toc-title{display:none}
  .toc-list{flex-direction:row;overflow-x:auto;gap:10px;padding-bottom:4px;scrollbar-width:thin}
  .toc-link{
    white-space:nowrap;border:1px solid var(--line);border-left:1px solid var(--line);
    border-radius:999px;background:#fff;padding:9px 16px;font-size:13.5px;
  }
  .toc-link.is-current{border-color:rgba(18,180,140,.5)}
  .toc-note{display:none}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:62px 0}
}
@media (max-width:767px){
  .container{width:min(1200px,100% - 32px)}
  .page-hero{padding:34px 0 48px}
  .grid-3,.grid-2,.split-points,.flow{grid-template-columns:1fr}
  .cta-band{padding:32px 24px}
  .article-body h2{margin-top:42px}
  .faq-item summary{font-size:15.5px;padding:17px 18px}
  .faq-answer{padding:0 18px 18px;font-size:14.5px}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .hero-stats{flex-direction:column}
  .stat-chip{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:52px 0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --bg:#070B14;
  --bg-2:#0B1220;
  --surface:#101A2B;
  --surface-2:#16223A;
  --glass:rgba(255,255,255,.045);
  --glass-border:rgba(255,255,255,.09);
  --primary:#2FE3C0;
  --primary-deep:#16A8A0;
  --accent:#FF7A45;
  --amber:#FFC24B;
  --text:#EAF2FF;
  --muted:#A7B6CE;
  --weak:#6E7F99;
  --line:rgba(255,255,255,.08);
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:22px;
  --shadow:0 8px 24px -12px rgba(0,0,0,.7);
  --shadow-hover:0 18px 44px -16px rgba(0,0,0,.85);
  --glow:0 0 0 1px rgba(47,227,192,.45),0 10px 34px -10px rgba(47,227,192,.55);
  --ease:cubic-bezier(.4,0,.2,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease),opacity .22s var(--ease);}
a:hover{color:#5ff0d5;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
h1,h2,h3{letter-spacing:-.01em;line-height:1.3;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:80px 0;position:relative;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;line-height:1.85;}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--primary);text-transform:uppercase;margin-bottom:12px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(7,11,20,.72);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-scrolled{background:rgba(7,11,20,.9);box-shadow:0 12px 32px -22px rgba(0,0,0,.95);}
.nav-inner{display:flex;align-items:center;gap:26px;height:74px;transition:height .28s var(--ease);}
.site-header.is-scrolled .nav-inner{height:66px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;flex:none;}
.logo:hover{color:var(--text);}
.logo-mark{
  width:28px;height:28px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04241f;display:grid;place-items:center;font-size:13px;
  box-shadow:0 0 0 1px rgba(47,227,192,.4),0 6px 18px -6px rgba(47,227,192,.75);
  flex:none;
}
.logo-text{display:flex;flex-direction:column;line-height:1.18;}
.logo-text strong{font-size:15px;font-weight:700;color:var(--text);}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--primary);}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--muted);
  padding:10px 0;white-space:nowrap;
}
.nav-link:hover{color:var(--text);}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{
  content:"";position:absolute;left:-8px;right:-8px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);
  box-shadow:0 0 12px rgba(47,227,192,.75);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);border:1px solid transparent;
  padding:14px 28px;font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}
.btn-primary{
  background:var(--primary);color:#04241f;
  box-shadow:0 10px 30px -14px rgba(47,227,192,.85);
}
.btn-primary:hover{background:#54eed3;color:#04241f;transform:translateY(-2px);box-shadow:var(--glow);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--primary);border-color:rgba(47,227,192,.4);}
.btn-ghost:hover{background:rgba(47,227,192,.1);border-color:rgba(47,227,192,.7);color:var(--primary);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-sm);
  border:1px solid var(--glass-border);background:var(--glass);color:var(--text);
  place-items:center;font-size:17px;cursor:pointer;margin-left:auto;
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.nav-toggle:hover{background:rgba(47,227,192,.1);border-color:rgba(47,227,192,.45);}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:70;display:flex;flex-direction:column;
  padding:22px 20px 28px;background:rgba(7,11,20,.96);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform .32s var(--ease),opacity .28s var(--ease);
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:26px;}
.drawer-close{
  width:44px;height:44px;border-radius:var(--radius-sm);display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--glass-border);color:var(--text);
  font-size:17px;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  display:flex;align-items:center;min-height:52px;padding:0 16px;border-radius:var(--radius-sm);
  color:var(--muted);font-size:16px;font-weight:500;border-left:3px solid transparent;
}
.drawer-nav a:hover{background:var(--glass);color:var(--text);}
.drawer-nav a.is-active{color:var(--primary);border-left-color:var(--primary);background:rgba(47,227,192,.08);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}

/* ============ 内页 Hero ============ */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:56px 0 64px;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.3;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 12% 6%,rgba(47,227,192,.2),transparent 58%),
    radial-gradient(circle at 88% 94%,rgba(255,122,69,.14),transparent 55%),
    linear-gradient(180deg,rgba(7,11,20,.7),rgba(7,11,20,.95));
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak);margin-bottom:22px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--weak);opacity:.6;}
.breadcrumb .current{color:var(--primary);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(47,227,192,.12);border:1px solid rgba(47,227,192,.32);
  color:var(--primary);font-size:13px;font-weight:600;margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(28px,4vw,46px);font-weight:800;line-height:1.25;margin-bottom:18px;max-width:880px;
}
.page-hero h1 .hl{
  background:linear-gradient(120deg,var(--primary),#7ff5df);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:720px;color:var(--muted);font-size:16.5px;line-height:1.9;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 指标条 ============ */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.02);
}
.metric{padding:26px 22px;border-left:1px solid var(--line);}
.metric:first-child{border-left:0;}
.metric strong{
  display:block;font-size:26px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;margin-bottom:6px;
}
.metric span{font-size:13.5px;color:var(--muted);line-height:1.6;}

/* ============ 筛选胶囊 ============ */
.filter-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px;}
.chip{
  padding:9px 22px;border-radius:999px;font-size:14px;font-weight:500;
  background:var(--glass);border:1px solid var(--glass-border);color:var(--muted);
  cursor:pointer;transition:all .22s var(--ease);
}
.chip:hover{color:var(--text);border-color:rgba(255,255,255,.2);}
.chip.is-active{
  background:rgba(47,227,192,.14);border-color:rgba(47,227,192,.5);color:var(--primary);
  box-shadow:0 0 0 1px rgba(47,227,192,.18);
}
.chip:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

/* ============ 对照卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.compare-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.compare-card::before{
  content:"";position:absolute;left:18px;top:-1px;width:32px;height:2px;border-radius:2px;
  background:var(--primary);opacity:0;transition:opacity .22s var(--ease);
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(47,227,192,.32);}
.compare-card:hover::before{opacity:1;}
.compare-card.is-hidden{display:none;}
.thumb{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:16/10;margin-bottom:18px;background:var(--surface);}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.compare-card:hover .thumb img{transform:scale(1.06);}
.thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.1),rgba(7,11,20,.62)),rgba(47,227,192,.06);
}
.card-body{display:flex;flex-direction:column;flex:1;}
.tag{
  align-self:flex-start;display:inline-block;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;margin-bottom:12px;
  background:rgba(47,227,192,.14);color:var(--primary);border:1px solid rgba(47,227,192,.24);
}
.tag.tag-accent{background:rgba(255,122,69,.14);color:var(--accent);border-color:rgba(255,122,69,.26);}
.compare-card h3{font-size:17.5px;font-weight:600;margin-bottom:10px;}
.compare-card p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:18px;}
.card-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:var(--muted);
}
.card-link i{transition:transform .22s var(--ease),color .22s var(--ease);font-size:12px;}
.compare-card:hover .card-link{color:var(--primary);}
.compare-card:hover .card-link i{transform:translateX(4px);}

/* ============ 对照表 ============ */
.table-wrap{
  border:1px solid var(--glass-border);border-radius:var(--radius);overflow:hidden;
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.compare-table{width:100%;border-collapse:collapse;margin:0;}
.compare-table thead th{
  padding:18px 22px;text-align:left;font-size:14px;font-weight:600;color:var(--primary);
  background:rgba(47,227,192,.07);border-bottom:1px solid var(--line);white-space:nowrap;
}
.compare-table tbody th{
  padding:17px 22px;text-align:left;font-size:15px;font-weight:600;color:var(--text);
  background:rgba(11,18,32,.92);border-top:1px solid var(--line);
  position:sticky;left:0;z-index:1;white-space:nowrap;
}
.compare-table tbody td{
  padding:17px 22px;font-size:15px;color:var(--muted);border-top:1px solid var(--line);
}
.compare-table tbody tr{transition:background .2s var(--ease);}
.compare-table tbody tr:hover{background:rgba(47,227,192,.06);}
.compare-table tbody td strong{color:var(--text);font-weight:600;}

/* ============ 要点双列 ============ */
.point-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 32px;}
.point-item{
  display:flex;gap:14px;padding:18px 20px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--glass-border);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.point-item:hover{border-color:rgba(47,227,192,.3);transform:translateY(-2px);}
.point-item i{color:var(--primary);font-size:15px;margin-top:6px;flex:none;}
.point-item h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.point-item p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius-sm);
  margin-bottom:14px;overflow:hidden;transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item[open]{border-color:rgba(47,227,192,.34);background:rgba(47,227,192,.05);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:17px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:var(--primary);opacity:0;transition:opacity .22s var(--ease);
}
.faq-item[open] summary::before{opacity:1;}
.faq-icon{color:var(--muted);font-size:14px;transition:transform .25s var(--ease),color .25s var(--ease);flex:none;}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--primary);}
.faq-body{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.9;}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:44px 46px;border-radius:var(--radius-lg);
  border:1px solid rgba(47,227,192,.28);
  background:linear-gradient(135deg,rgba(47,227,192,.14),rgba(22,34,58,.6) 46%,rgba(255,122,69,.1));
}
.cta-band::before{
  content:"";position:absolute;width:280px;height:280px;left:-90px;top:-120px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,192,.35),transparent 68%);pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;width:240px;height:240px;right:-80px;bottom:-140px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,69,.28),transparent 68%);pointer-events:none;
}
.cta-text{position:relative;z-index:2;}
.cta-text h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;margin-bottom:10px;}
.cta-text p{color:var(--muted);font-size:15px;max-width:520px;}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;flex:none;}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--line);background:var(--bg-2);
  padding:64px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;max-width:380px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--primary);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{display:inline-block;font-size:14px;color:var(--muted);transition:color .22s var(--ease),transform .22s var(--ease);}
.footer-col a:hover{color:var(--text);transform:translateX(2px);}
.footer-col span{font-size:14px;color:var(--muted);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--weak);
}
.footer-bottom .mono{font-variant-numeric:tabular-nums;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(3){border-left:0;}
  .metric:nth-child(n+3){border-top:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .main-nav,.nav-actions{display:none;}
  .nav-toggle{display:grid;}
  .point-list{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:52px 0;}
  .section-tight{padding:40px 0;}
  .page-hero{padding:40px 0 48px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}

  /* 表格转卡片堆叠 */
  .table-wrap{border:0;background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none;}
  .compare-table thead{display:none;}
  .compare-table,.compare-table tbody,.compare-table tr,.compare-table th,.compare-table td{display:block;width:100%;}
  .compare-table tbody tr{
    background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius);
    margin-bottom:16px;padding:6px 0;overflow:hidden;
  }
  .compare-table tbody tr:hover{background:rgba(47,227,192,.06);}
  .compare-table tbody th{
    position:static;background:transparent;border-top:0;border-bottom:1px solid var(--line);
    color:var(--primary);font-size:16px;padding:14px 18px;
  }
  .compare-table tbody td{border-top:0;padding:12px 18px;position:relative;}
  .compare-table tbody td::before{
    content:attr(data-label);display:block;font-size:12px;color:var(--weak);
    letter-spacing:.08em;margin-bottom:3px;
  }
}
@media (max-width:520px){
  .metrics{grid-template-columns:1fr;}
  .metric{border-left:0;}
  .metric:nth-child(n+2){border-top:1px solid var(--line);}
  .logo-text strong{font-size:14px;}
  .logo-text em{font-size:10px;letter-spacing:.12em;}
  .filter-row{gap:9px;}
  .chip{padding:8px 16px;font-size:13px;}
}

/* roulang page: category3 */
:root{
  --bg:#F4F8F9;
  --bg-tint:#E9F3F2;
  --surface:#FFFFFF;
  --surface-soft:#F8FCFC;
  --ink:#0E1B22;
  --ink-2:#2B3F49;
  --muted:#5E7480;
  --line:rgba(14,27,34,.10);
  --line-soft:rgba(14,27,34,.07);
  --primary:#12B8A0;
  --primary-strong:#0C9384;
  --primary-soft:rgba(18,184,160,.12);
  --accent:#FF7A45;
  --accent-soft:rgba(255,122,69,.13);
  --amber:#F5B23B;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:26px;
  --shadow-sm:0 6px 18px -12px rgba(9,38,45,.55);
  --shadow:0 16px 38px -24px rgba(9,38,45,.55);
  --shadow-lg:0 30px 64px -32px rgba(9,38,45,.55);
  --container:1200px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
a{color:var(--primary-strong);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary)}
img{max-width:100%;display:block}
button{font-family:inherit;background:none;border:none;cursor:pointer;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:78px 0}
.section--tint{background:var(--bg-tint)}
.section-head{max-width:760px;margin-bottom:38px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--primary-strong);background:var(--primary-soft);
  border-radius:999px;padding:7px 16px;margin-bottom:16px;
}
.eyebrow i{font-size:12px}
h1{font-size:clamp(28px,3.9vw,46px);font-weight:800;line-height:1.3;letter-spacing:-.01em}
h2{font-size:clamp(22px,2.5vw,32px);font-weight:700;line-height:1.4;letter-spacing:-.01em}
h3{font-size:19px;font-weight:600;line-height:1.5}
.lead{font-size:16.5px;color:var(--muted);line-height:1.9}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow .28s var(--ease),background .28s var(--ease);
}
.site-header.is-scrolled{background:rgba(255,255,255,.95);box-shadow:0 14px 34px -26px rgba(9,38,45,.7)}
.nav-inner{display:flex;align-items:center;gap:26px;height:78px;transition:height .28s var(--ease)}
.site-header.is-scrolled .nav-inner{height:70px}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#16CBAD,#0E9E8E);
  color:#fff;font-size:16px;
  box-shadow:0 10px 22px -12px rgba(18,184,160,.95);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.logo-text em{font-size:12px;font-style:normal;color:var(--muted);letter-spacing:.14em}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--ink);background:var(--primary-soft)}
.nav-link.is-active{color:var(--primary-strong);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,rgba(18,184,160,0),var(--primary),rgba(18,184,160,0));
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:17px;margin-left:auto;align-items:center;justify-content:center;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;border-radius:12px;
  padding:13px 26px;border:1px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#17CDAF,#0EA391);
  color:#fff;box-shadow:0 14px 28px -16px rgba(18,184,160,1);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 36px -16px rgba(18,184,160,1)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(18,184,160,.45);color:var(--primary-strong)}
.btn-ghost:hover{background:var(--primary-soft);border-color:rgba(18,184,160,.8);color:var(--primary-strong)}
.btn-light{background:#fff;color:var(--primary-strong);border-color:rgba(255,255,255,.6)}
.btn-light:hover{background:#EAF7F5;color:var(--primary-strong)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.45);color:#EAF7F5}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-sm{padding:10px 20px;font-size:14px;border-radius:10px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px}
.text-link i{transition:transform .22s var(--ease)}
.text-link:hover i{transform:translateX(4px)}

/* ---------- Hero ---------- */
.page-hero{position:relative;padding:44px 0 78px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  opacity:.16;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.2) 72%,transparent 100%);
  mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.2) 72%,transparent 100%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,184,160,.22),transparent 66%);
  pointer-events:none;
}
.page-hero::before{
  content:"";position:absolute;left:-180px;bottom:-200px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,69,.16),transparent 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted);margin-bottom:26px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary-strong)}
.breadcrumb .sep{color:rgba(14,27,34,.28)}
.breadcrumb .current{color:var(--primary-strong);font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}
.hero-copy h1{margin-bottom:20px}
.hero-copy h1 .hl{
  background:linear-gradient(120deg,#12B8A0,#0E9E8E 60%,#17CDAF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:16.5px;color:var(--ink-2);line-height:1.95;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 30px}
.hero-mini{display:flex;flex-wrap:wrap;gap:26px}
.hero-mini li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}
.hero-mini i{color:var(--primary);font-size:15px}
.hero-mini strong{color:var(--ink);font-weight:700}

.hero-visual{position:relative}
.visual-frame{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.7);
  background:#fff;
}
.visual-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,184,160,.06),rgba(14,27,34,.22));
  pointer-events:none;
}
.visual-frame img{width:100%;aspect-ratio:16/11;object-fit:cover}
.float-card{
  position:absolute;display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.85);
  border-radius:16px;padding:13px 18px;
  box-shadow:0 20px 40px -22px rgba(9,38,45,.6);
}
.float-card strong{display:block;font-size:14px;font-weight:700;color:var(--ink);line-height:1.35}
.float-card em{font-style:normal;font-size:12.5px;color:var(--muted)}
.float-card i,.float-card .dot{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-size:14px;
  background:var(--primary-soft);color:var(--primary-strong);flex:0 0 34px;
}
.float-card .dot{background:var(--accent-soft);color:var(--accent)}
.float-card .dot::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(255,122,69,.18)}
.float-a{left:-24px;top:16%}
.float-b{right:-18px;bottom:12%}

/* ---------- 指标条 ---------- */
.stat-strip{background:#fff;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-cell{padding:30px 26px;border-right:1px solid var(--line-soft);text-align:left}
.stat-cell:last-child{border-right:none}
.stat-cell strong{display:block;font-size:30px;font-weight:800;color:var(--primary-strong);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-cell span{display:block;font-size:14px;color:var(--muted);margin-top:6px}

/* ---------- 步骤流 ---------- */
.step-flow{position:relative;max-width:920px;margin-top:8px}
.step-flow::before{
  content:"";position:absolute;left:23px;top:16px;bottom:36px;width:2px;
  background:linear-gradient(180deg,rgba(18,184,160,.85),rgba(18,184,160,.06));
}
.step-item{position:relative;display:flex;gap:24px;padding-bottom:26px}
.step-item:last-child{padding-bottom:0}
.step-node{
  width:48px;height:48px;flex:0 0 48px;border-radius:50%;
  display:grid;place-items:center;
  background:#fff;border:2px solid rgba(18,184,160,.55);
  color:var(--primary-strong);font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;
  box-shadow:0 12px 24px -18px rgba(18,184,160,1);
  z-index:2;
}
.step-body{
  flex:1;background:#fff;border:1px solid var(--line-soft);
  border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step-body:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(18,184,160,.32)}
.step-body h3{margin-bottom:9px}
.step-body p{font-size:15px;color:var(--muted);line-height:1.85}
.step-tag{
  display:inline-block;margin-top:12px;font-size:12.5px;font-weight:600;
  color:var(--primary-strong);background:var(--primary-soft);
  border-radius:999px;padding:4px 12px;
}

/* ---------- 要点双列 ---------- */
.points-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.point-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:28px 28px 22px;box-shadow:var(--shadow-sm);
}
.point-card h3{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.point-card h3 i{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  font-size:14px;background:var(--primary-soft);color:var(--primary-strong);
}
.point-card.is-warm h3 i{background:var(--accent-soft);color:var(--accent)}
.point-card>p{font-size:14.5px;color:var(--muted);margin-bottom:14px}
.point-list li{
  display:flex;gap:11px;align-items:flex-start;
  padding:11px 0;font-size:15px;color:var(--ink-2);
  border-bottom:1px dashed var(--line-soft);
}
.point-list li:last-child{border-bottom:none}
.point-list i{color:var(--primary);font-size:13px;margin-top:7px}
.point-card.is-warm .point-list i{color:var(--accent)}

/* ---------- 礼包卡片 ---------- */
.gift-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.gift-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.gift-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(18,184,160,.3)}
.gift-thumb{position:relative;overflow:hidden}
.gift-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
.gift-card:hover .gift-thumb img{transform:scale(1.05)}
.gift-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,184,160,.05),rgba(14,27,34,.28))}
.gift-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.gift-tag{
  align-self:flex-start;font-size:12.5px;font-weight:600;color:var(--primary-strong);
  background:var(--primary-soft);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.gift-tag.is-accent{color:var(--accent);background:var(--accent-soft)}
.gift-tag.is-amber{color:#B67B0B;background:rgba(245,178,59,.16)}
.gift-body h3{margin-bottom:9px}
.gift-body p{font-size:14.6px;color:var(--muted);line-height:1.85;flex:1}
.gift-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line-soft);
  font-size:13.5px;color:var(--muted);
}
.gift-meta i{color:var(--primary)}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line-soft);border-radius:16px;
  margin-bottom:14px;overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item.is-open{border-color:rgba(18,184,160,.35);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);
  line-height:1.6;
}
.faq-q:hover{color:var(--primary-strong)}
.faq-icon{
  width:30px;height:30px;flex:0 0 30px;border-radius:9px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary-strong);font-size:12px;
  transition:transform .28s var(--ease),background .28s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.9;max-width:780px}

/* ---------- CTA 横幅 ---------- */
.cta-band{padding:20px 0 84px}
.cta-inner{
  position:relative;overflow:hidden;
  background:linear-gradient(125deg,#0C2A31,#123B45 55%,#0E3038);
  border-radius:var(--radius-lg);
  padding:46px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;
  box-shadow:0 34px 70px -40px rgba(9,38,45,.9);
}
.cta-inner::before{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,184,160,.36),transparent 66%);
}
.cta-inner::after{
  content:"";position:absolute;left:-100px;bottom:-140px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,69,.24),transparent 68%);
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{color:#fff;font-size:clamp(21px,2.3vw,28px);margin-bottom:10px}
.cta-copy p{color:rgba(234,247,245,.76);font-size:15px;max-width:520px}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#0B1A20;color:#9DB4BD;padding:66px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:44px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-text strong{color:#F2FAF9}
.footer-brand .logo-text em{color:#7E97A0}
.footer-brand p{font-size:14px;line-height:1.9;color:#8AA1AA;max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:#E6F5F3;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:11px}
.footer-col a,.footer-col span{font-size:14px;color:#8AA1AA;transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-col a:hover{color:#fff;padding-left:3px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.09);
  padding:22px 0 26px;font-size:13px;color:#6E838C;
}

/* ---------- 移动端抽屉 ---------- */
.nav-drawer{
  position:fixed;inset:0;z-index:90;background:rgba(255,255,255,.98);
  backdrop-filter:blur(18px);
  transform:translateX(102%);transition:transform .34s var(--ease);
  padding:18px 22px 32px;display:flex;flex-direction:column;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  display:grid;place-items:center;font-size:16px;background:#fff;
}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  height:52px;display:flex;align-items:center;padding:0 14px;border-radius:12px;
  font-size:16px;font-weight:500;color:var(--ink-2);
  border-left:3px solid transparent;
}
.drawer-nav a.is-active{color:var(--primary-strong);font-weight:700;border-left-color:var(--primary);background:var(--primary-soft)}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:26px}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .float-a{left:-10px}
  .float-b{right:-8px}
}
@media screen and (max-width:991px){
  .main-nav,.nav-actions{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:2}
  .float-a{left:14px}
  .float-b{right:14px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-cell:nth-child(2){border-right:none}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line-soft)}
  .gift-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:38px 32px}
}
@media screen and (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .page-hero{padding:28px 0 56px}
  .points-grid{grid-template-columns:1fr}
  .gift-grid{grid-template-columns:1fr}
  .step-flow::before{left:19px}
  .step-item{gap:16px}
  .step-node{width:40px;height:40px;flex:0 0 40px;font-size:13.5px}
  .step-body{padding:18px 20px}
  .hero-mini{gap:16px 22px}
  .faq-q{font-size:15.5px;padding:18px 18px}
  .faq-a p{padding:0 18px 20px}
  .cta-band{padding:8px 0 60px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media screen and (max-width:519px){
  .stat-grid{grid-template-columns:1fr}
  .stat-cell{border-right:none;border-bottom:1px solid var(--line-soft)}
  .stat-cell:last-child{border-bottom:none}
  .hero-actions .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .float-card{padding:10px 14px}
  .float-card strong{font-size:13px}
}