/* roulang page: index */
:root{
  --bg-0:#060A11;
  --bg-1:#0A1018;
  --bg-2:#0E1620;
  --brand:#2EE6C5;
  --brand-2:#6E8BFF;
  --accent:#FFB84D;
  --t1:#EAF1F8;
  --t2:#9FB0C4;
  --t3:#6B7C90;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --r-lg:18px;
  --r-md:12px;
  --r-pill:999px;
  --shadow:0 18px 48px rgba(0,0,0,.45);
  --shadow-soft:0 10px 28px rgba(0,0,0,.32);
  --glow-btn:0 0 0 1px rgba(46,230,197,.35),0 10px 34px rgba(46,230,197,.22);
  --container:1200px;
  --gap:24px;
  --header-h:68px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:132px;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t2);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--t1);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;border:0;background:none;color:inherit;cursor:pointer;}
input,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(46,230,197,.28);color:var(--t1);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
}

/* ---------- 通用板块 ---------- */
.section{
  position:relative;
  padding:96px 0;
  background:var(--bg-0);
}
.section--alt{background:var(--bg-1);}
.section--grid::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 76%);
  mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 76%);
  pointer-events:none;
}
.section__head{
  position:relative;
  max-width:760px;
  margin:0 0 44px;
}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section__eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section__eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:linear-gradient(90deg,var(--brand),transparent);
}
.section__title{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.25;
  font-weight:700;
  color:var(--t1);
  letter-spacing:.01em;
}
.section__desc{
  margin-top:14px;
  font-size:15px;
  line-height:1.8;
  color:var(--t2);
  max-width:760px;
}
.section__head--center .section__desc{margin-left:auto;margin-right:auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:14px 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:transform .22s ease,box-shadow .28s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn i{font-size:13px;transition:transform .22s ease;}
.btn--primary{
  background:linear-gradient(120deg,var(--brand) 0%,#39f0cf 55%,#63f5dd 100%);
  color:#04140f;
  box-shadow:var(--glow-btn);
}
.btn--primary:hover{
  color:#04140f;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(46,230,197,.55),0 14px 42px rgba(46,230,197,.34);
}
.btn--primary:hover i{transform:translateX(3px);}
.btn--ghost{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-strong);
  color:var(--t1);
  backdrop-filter:blur(10px);
}
.btn--ghost:hover{
  border-color:rgba(46,230,197,.6);
  background:rgba(46,230,197,.09);
  color:var(--t1);
  transform:translateY(-2px);
}
.btn--sm{padding:11px 20px;font-size:14px;}
.btn:active{transform:translateY(0) scale(.99);}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
}
.link-arrow i{font-size:12px;transition:transform .22s ease;}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  height:var(--header-h);
  background:rgba(6,10,17,.68);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  transition:background .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.site-header.is-scrolled{
  background:rgba(6,10,17,.92);
  border-bottom-color:rgba(46,230,197,.18);
  box-shadow:0 12px 34px rgba(0,0,0,.5);
}
.header-inner{
  height:var(--header-h);
  display:flex;
  align-items:center;
  gap:28px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:8px;
  flex-shrink:0;
  color:var(--t1);
}
.logo__main{
  font-size:19px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--t1);
}
.logo__badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:2px 7px;
  font-size:11px;
  font-weight:700;
  letter-spacing:.1em;
  color:#04140f;
  background:linear-gradient(120deg,var(--brand),#63f5dd);
  border-radius:6px;
  transform:skewX(-8deg);
}
.logo__sub{
  font-size:12px;
  color:var(--t3);
  letter-spacing:.08em;
}
.nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav__link{
  position:relative;
  padding:9px 14px;
  font-size:14.5px;
  color:var(--t2);
  border-radius:var(--r-pill);
  transition:color .22s ease,background .22s ease;
}
.nav__link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .28s ease;
}
.nav__link:hover{color:var(--t1);background:rgba(255,255,255,.04);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--brand);}
.nav__link.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(46,230,197,.7);}
.nav__cta{margin-left:12px;flex-shrink:0;}
@media (max-width:1024px){
  .nav{display:none;}
  .nav__cta{margin-left:auto;}
}
@media (max-width:520px){
  .logo__sub{display:none;}
  .nav__cta{padding:10px 16px;font-size:13px;}
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tab{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:95;
  padding:8px 6px calc(8px + env(safe-area-inset-bottom));
  background:rgba(8,13,21,.94);
  border-top:1px solid var(--line);
  backdrop-filter:blur(18px);
}
.mobile-tab__list{
  display:flex;
  align-items:stretch;
  justify-content:space-around;
}
.mobile-tab__item{
  flex:1 1 0;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:4px;
  padding:6px 2px 4px;
  font-size:10px;
  color:var(--t3);
  border-radius:10px;
  transition:color .22s ease,background .22s ease;
}
.mobile-tab__item i{font-size:16px;line-height:1;}
.mobile-tab__item:hover{color:var(--t1);}
.mobile-tab__item.is-active{
  color:var(--brand);
  background:radial-gradient(ellipse at 50% 0%,rgba(46,230,197,.22),transparent 70%);
}
@media (max-width:768px){
  .mobile-tab{display:block;}
  body{padding-bottom:calc(74px + env(safe-area-inset-bottom));}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:84px 0 88px;
  overflow:hidden;
  background:
    radial-gradient(900px 520px at 78% 6%,rgba(46,230,197,.13),transparent 62%),
    radial-gradient(720px 480px at 12% 92%,rgba(110,139,255,.12),transparent 66%),
    var(--bg-0);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000,transparent 78%);
  mask-image:radial-gradient(circle at 50% 40%,#000,transparent 78%);
  pointer-events:none;
}
.hero__grid{position:relative;z-index:2;}
.hero__eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:7px 16px;
  margin-bottom:22px;
  font-size:13px;
  color:var(--brand);
  background:rgba(46,230,197,.08);
  border:1px solid rgba(46,230,197,.28);
  border-radius:var(--r-pill);
}
.hero__eyebrow i{font-size:12px;}
.hero__title{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.15;
  font-weight:700;
  color:var(--t1);
  letter-spacing:.005em;
  max-width:15em;
}
.hero__sub{
  margin-top:20px;
  font-size:16.5px;
  line-height:1.85;
  color:var(--t2);
  max-width:560px;
}
.hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.hero__trust{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:30px;
}
.hero__trust li{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  font-size:13px;
  color:var(--t2);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  backdrop-filter:blur(8px);
}
.hero__trust i{color:var(--brand);font-size:12px;}
.hero__note{
  margin-top:18px;
  font-size:13px;
  color:var(--t3);
}
.hero__media{
  position:relative;
  margin-left:auto;
  max-width:560px;
}
.hero__figure{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.hero__figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.hero__figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,10,17,.06) 0%,rgba(6,10,17,.34) 58%,rgba(6,10,17,.92) 100%);
}
.hero__info-card{
  position:absolute;
  left:22px;right:22px;bottom:22px;
  z-index:3;
  padding:18px 20px;
  border-radius:var(--r-lg);
  background:rgba(10,16,24,.72);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow-soft);
}
.hero__info-card::before{
  content:"";
  position:absolute;
  left:0;top:18px;bottom:18px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.info-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13.5px;
  color:var(--t2);
}
.info-row + .info-row{margin-top:10px;padding-top:10px;border-top:1px dashed rgba(255,255,255,.1);}
.info-row strong{color:var(--t1);font-weight:600;}
.info-row .ok{color:var(--brand);font-weight:600;}
.stamp{
  position:absolute;
  top:-14px;right:-8px;
  z-index:4;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 15px;
  font-size:12.5px;
  font-weight:600;
  color:#2a1a00;
  background:linear-gradient(120deg,#FFD08A,var(--accent));
  border-radius:var(--r-pill);
  box-shadow:0 10px 26px rgba(255,184,77,.3);
}
.stamp i{font-size:12px;}
@media (max-width:1024px){
  .hero{padding:64px 0 72px;}
  .hero__media{margin:44px auto 0;max-width:100%;}
  .hero__title{max-width:none;}
}
@media (max-width:640px){
  .hero{padding:48px 0 56px;}
  .hero__title{font-size:clamp(26px,7.6vw,34px);}
  .hero__sub{font-size:15px;}
  .hero__actions .btn{flex:1 1 100%;}
  .hero__info-card{position:static;margin-top:-46px;left:auto;right:auto;bottom:auto;margin-left:14px;margin-right:14px;}
  .stamp{top:-16px;right:8px;}
}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;
  top:var(--header-h);
  z-index:80;
  background:rgba(8,13,21,.9);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(16px);
}
.anchor-bar__list{
  display:flex;
  gap:8px;
  padding:12px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-bar__list::-webkit-scrollbar{display:none;}
.anchor-bar__item{
  flex:0 0 auto;
  padding:8px 18px;
  font-size:13.5px;
  color:var(--t2);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  white-space:nowrap;
  transition:color .22s ease,border-color .22s ease,background .22s ease;
}
.anchor-bar__item:hover{color:var(--t1);border-color:rgba(46,230,197,.45);}
.anchor-bar__item.is-active{
  color:var(--brand);
  border-color:rgba(46,230,197,.55);
  background:rgba(46,230,197,.1);
}
@media (max-width:768px){
  .anchor-bar{top:0;}
  html{scroll-padding-top:110px;}
}

/* ---------- 卖点区 ---------- */
.feature-big{
  position:relative;
  padding:28px;
  border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(20,30,42,.86),rgba(10,16,24,.9));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .3s ease,border-color .3s ease;
  height:100%;
}
.feature-big:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.42);}
.feature-big__figure{
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--line);
  margin-bottom:22px;
}
.feature-big__figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.feature-big h3{
  font-size:20px;
  font-weight:600;
  color:var(--t1);
  line-height:1.45;
}
.feature-big p{
  margin-top:12px;
  font-size:14.5px;
  color:var(--t2);
}
.feature-list{margin-top:18px;}
.feature-list li{
  position:relative;
  padding-left:22px;
  font-size:14.5px;
  color:var(--t2);
  line-height:1.8;
}
.feature-list li + li{margin-top:9px;}
.feature-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 10px rgba(46,230,197,.6);
}
.feature-small{
  position:relative;
  padding:24px;
  border-radius:var(--r-lg);
  background:rgba(14,22,32,.72);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  transition:transform .3s ease,border-color .3s ease;
}
.feature-small:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.42);}
.feature-small + .feature-small{margin-top:var(--gap);}
.feature-small__num{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--brand);
  margin-bottom:12px;
}
.feature-small h3{
  font-size:17.5px;
  font-weight:600;
  color:var(--t1);
  line-height:1.5;
}
.feature-small p{
  margin-top:10px;
  font-size:14px;
  color:var(--t2);
}
.feature-small__icon{
  position:absolute;
  top:22px;right:22px;
  width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  color:var(--brand);
  background:rgba(46,230,197,.1);
  border:1px solid rgba(46,230,197,.26);
  font-size:15px;
}

/* ---------- 演示区 ---------- */
.demo__figure{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.demo__figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.demo__figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,10,17,.15),rgba(6,10,17,.78));
}
.demo__badge{
  position:absolute;
  left:18px;bottom:18px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  font-size:13px;
  color:var(--t1);
  background:rgba(10,16,24,.8);
  border:1px solid var(--line-strong);
  border-radius:var(--r-pill);
  backdrop-filter:blur(10px);
}
.demo__badge i{color:var(--brand);}
.step-list{position:relative;padding-left:4px;}
.step-item{
  position:relative;
  padding:0 0 30px 46px;
}
.step-item:last-child{padding-bottom:0;}
.step-item::before{
  content:"";
  position:absolute;
  left:15px;
  top:34px;
  bottom:6px;
  width:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
  opacity:.5;
}
.step-item:last-child::before{display:none;}
.step-num{
  position:absolute;
  left:0;top:2px;
  width:32px;height:32px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  font-size:13px;
  font-weight:700;
  color:#04140f;
  background:linear-gradient(120deg,var(--brand),#63f5dd);
  box-shadow:0 0 0 4px rgba(46,230,197,.12);
}
.step-item h3{
  font-size:17.5px;
  font-weight:600;
  color:var(--t1);
  line-height:1.5;
}
.step-item p{
  margin-top:8px;
  font-size:14.5px;
  color:var(--t2);
  max-width:520px;
}
.step-item__tag{
  display:inline-block;
  margin-top:12px;
  padding:4px 12px;
  font-size:12px;
  color:var(--brand);
  background:rgba(46,230,197,.08);
  border:1px solid rgba(46,230,197,.26);
  border-radius:var(--r-pill);
}
@media (max-width:640px){
  .step-item{padding-left:42px;}
}

/* ---------- 证据区 ---------- */
.metric-card{
  position:relative;
  height:100%;
  padding:26px 22px;
  border-radius:var(--r-lg);
  background:rgba(14,22,32,.72);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  overflow:hidden;
  transition:transform .3s ease,border-color .3s ease;
}
.metric-card:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.4);}
.metric-card::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2),transparent);
}
.metric-num{
  display:flex;
  align-items:baseline;
  gap:4px;
  font-size:clamp(36px,4.4vw,52px);
  font-weight:700;
  line-height:1;
  color:var(--t1);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.metric-num span{
  font-size:15px;
  font-weight:600;
  color:var(--brand);
  letter-spacing:0;
}
.metric-card p{
  margin-top:14px;
  font-size:14px;
  color:var(--t2);
  line-height:1.75;
}
.compare{
  margin-top:var(--gap);
  height:100%;
  padding:26px 24px;
  border-radius:var(--r-lg);
  background:rgba(14,22,32,.72);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
}
.compare--good{border-color:rgba(46,230,197,.32);}
.compare--warn{border-color:rgba(255,184,77,.3);}
.compare__head{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:600;
  color:var(--t1);
  margin-bottom:16px;
}
.compare__head i{font-size:15px;}
.compare--good .compare__head i{color:var(--brand);}
.compare--warn .compare__head i{color:var(--accent);}
.compare ul li{
  position:relative;
  padding-left:22px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--t2);
}
.compare ul li + li{margin-top:11px;padding-top:11px;border-top:1px solid rgba(255,255,255,.06);}
.compare ul li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:8px;height:2px;
  border-radius:2px;
}
.compare--good ul li::before{background:var(--brand);}
.compare--warn ul li::before{background:var(--accent);}
.disclaimer-line{
  margin-top:28px;
  padding:16px 20px;
  font-size:13px;
  line-height:1.8;
  color:var(--t3);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:var(--r-md);
}
.disclaimer-line i{color:var(--accent);margin-right:8px;}

/* ---------- 资讯区 ---------- */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--gap);
}
.news-card{
  position:relative;
  display:flex;
  flex-direction:column;
  min-height:260px;
  padding:24px;
  border-radius:var(--r-lg);
  background:rgba(14,22,32,.72);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  overflow:hidden;
}
.news-card:hover{
  transform:translateY(-4px);
  border-color:rgba(46,230,197,.42);
  box-shadow:var(--shadow);
}
.news-card::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:3px;
  background:linear-gradient(90deg,rgba(46,230,197,.7),rgba(110,139,255,.5),transparent);
}
.news-tag{
  align-self:flex-start;
  padding:4px 12px;
  font-size:12px;
  color:var(--brand);
  background:rgba(46,230,197,.09);
  border:1px solid rgba(46,230,197,.26);
  border-radius:var(--r-pill);
  margin-bottom:14px;
}
.news-card__title{
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  color:var(--t1);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:52px;
  transition:color .22s ease;
}
.news-card:hover .news-card__title{color:var(--brand);}
.news-card__desc{
  margin-top:12px;
  font-size:14px;
  line-height:1.8;
  color:var(--t2);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:75px;
}
.news-card__foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,.07);
}
.news-card__meta{font-size:13px;color:var(--t3);}
.news-card__more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
}
.news-card__more i{font-size:11px;transition:transform .22s ease;}
.news-card:hover .news-card__more i{transform:translateX(3px);}
.news-empty{
  grid-column:1/-1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:16px;
  min-height:220px;
  padding:36px 24px;
  text-align:center;
  border-radius:var(--r-lg);
  background:rgba(14,22,32,.6);
  border:1px dashed rgba(255,255,255,.16);
}
.news-empty i{font-size:26px;color:var(--t3);}
.news-empty p{font-size:15px;color:var(--t2);}
@media (max-width:1024px){
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:640px){
  .news-grid{grid-template-columns:1fr;}
}

/* ---------- 方案区 ---------- */
.plan-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--gap);
  align-items:stretch;
}
.plan-card{
  position:relative;
  display:flex;
  flex-direction:column;
  padding:30px 26px;
  border-radius:var(--r-lg);
  background:rgba(14,22,32,.72);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.plan-card:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.4);}
.plan-card--hot{
  background:linear-gradient(165deg,rgba(46,230,197,.12),rgba(14,22,32,.9) 46%);
  border-color:rgba(46,230,197,.5);
  box-shadow:0 0 0 1px rgba(46,230,197,.22),var(--shadow);
}
.plan-badge{
  position:absolute;
  top:-12px;left:26px;
  padding:5px 14px;
  font-size:12px;
  font-weight:700;
  color:#04140f;
  background:linear-gradient(120deg,var(--brand),#63f5dd);
  border-radius:var(--r-pill);
  box-shadow:0 8px 20px rgba(46,230,197,.28);
}
.plan-card h3{
  font-size:18px;
  font-weight:600;
  color:var(--t1);
  line-height:1.5;
}
.plan-card__sub{
  margin-top:10px;
  font-size:13.5px;
  color:var(--t2);
  line-height:1.75;
  min-height:46px;
}
.plan-price{
  display:flex;
  align-items:baseline;
  gap:6px;
  margin:20px 0 18px;
  padding-bottom:18px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.plan-price strong{
  font-size:36px;
  font-weight:700;
  color:var(--t1);
  line-height:1;
  font-variant-numeric:tabular-nums;
}
.plan-price em{
  font-style:normal;
  font-size:13px;
  color:var(--t3);
}
.plan-list{flex:1 1 auto;}
.plan-list li{
  position:relative;
  padding-left:22px;
  font-size:14px;
  line-height:1.75;
  color:var(--t2);
}
.plan-list li + li{margin-top:10px;}
.plan-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;top:3px;
  font-size:11px;
  color:var(--brand);
}
.plan-card .btn{margin-top:24px;width:100%;}
@media (max-width:1024px){
  .plan-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .plan-card--hot{grid-column:1/-1;}
}
@media (max-width:640px){
  .plan-grid{grid-template-columns:1fr;}
  .plan-card--hot{grid-column:auto;}
}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;}
.faq__item{
  position:relative;
  border-radius:var(--r-md);
  background:rgba(14,22,32,.7);
  border:1px solid var(--line);
  overflow:hidden;
  transition:border-color .26s ease,background .26s ease;
}
.faq__item + .faq__item{margin-top:10px;}
.faq__item.is-open{
  border-color:rgba(46,230,197,.45);
  background:rgba(16,26,36,.86);
}
.faq__item.is-open::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
  box-shadow:0 0 14px rgba(46,230,197,.6);
}
.faq__btn{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  width:100%;
  padding:20px 22px;
  text-align:left;
  font-size:15.5px;
  font-weight:600;
  color:var(--t1);
  line-height:1.6;
}
.faq__icon{
  flex:0 0 auto;
  width:28px;height:28px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  color:var(--brand);
  font-size:12px;
  transition:transform .28s ease,background .28s ease,border-color .28s ease;
}
.faq__item.is-open .faq__icon{
  transform:rotate(45deg);
  background:rgba(46,230,197,.14);
  border-color:rgba(46,230,197,.5);
}
.faq__panel{
  max-height:0;
  overflow:hidden;
  transition:max-height .34s ease;
}
.faq__panel-inner{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--t2);
}

/* ---------- 结尾 CTA ---------- */
.cta-band{
  position:relative;
  padding:0 0 96px;
  background:var(--bg-0);
}
.cta-band__inner{
  position:relative;
  overflow:hidden;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  padding:52px 44px;
  border-radius:22px;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
  background-image:linear-gradient(90deg,rgba(6,10,17,.94) 0%,rgba(6,10,17,.8) 52%,rgba(6,10,17,.62) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.cta-band__inner::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(46,230,197,.22),transparent 68%);
  pointer-events:none;
}
.cta-band__text{position:relative;z-index:2;max-width:640px;}
.cta-band__text h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.3;
  font-weight:700;
  color:var(--t1);
}
.cta-band__text p{
  margin-top:12px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--t2);
}
.cta-band__actions{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
@media (max-width:768px){
  .cta-band{padding-bottom:64px;}
  .cta-band__inner{padding:36px 24px;}
  .cta-band__actions .btn{flex:1 1 100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  padding:64px 0 26px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{
  font-size:13.5px;
  line-height:1.85;
  color:var(--t3);
  max-width:320px;
}
.footer-domain{
  display:inline-block;
  margin-top:14px;
  font-size:13px;
  color:var(--t3);
  letter-spacing:.04em;
}
.footer-title{
  font-size:14px;
  font-weight:600;
  color:var(--t1);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-links li + li{margin-top:10px;}
.footer-links a{
  font-size:13.5px;
  color:var(--t3);
}
.footer-links a:hover{color:var(--t1);}
.footer-contact li{
  font-size:13.5px;
  color:var(--t3);
  line-height:1.8;
}
.footer-contact li + li{margin-top:10px;}
.footer-contact i{color:var(--brand);width:16px;margin-right:8px;font-size:12px;}
.footer-note{
  margin-top:18px;
  padding:14px 16px;
  font-size:12.5px;
  line-height:1.8;
  color:var(--t3);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:var(--r-md);
}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--t3);
}
.footer-bottom p{font-size:13px;color:var(--t3);}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:48px;}
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:26px;
  bottom:26px;
  z-index:88;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px;
  border-radius:var(--r-pill);
  background:rgba(10,16,24,.86);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
  backdrop-filter:blur(16px);
  opacity:0;
  transform:translateY(18px);
  pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta .btn{padding:11px 20px;font-size:13.5px;}
.float-cta__ghost{
  padding:11px 16px;
  font-size:13.5px;
  color:var(--t2);
  border-radius:var(--r-pill);
  transition:color .22s ease,background .22s ease;
}
.float-cta__ghost:hover{color:var(--t1);background:rgba(255,255,255,.06);}
@media (max-width:1024px){
  .float-cta{display:none;}
}
.float-bar{
  display:none;
  position:fixed;
  left:12px;right:12px;
  bottom:calc(78px + env(safe-area-inset-bottom));
  z-index:88;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 12px 10px 18px;
  border-radius:var(--r-pill);
  background:rgba(10,16,24,.94);
  border:1px solid rgba(46,230,197,.32);
  box-shadow:0 12px 34px rgba(0,0,0,.5);
  backdrop-filter:blur(16px);
  opacity:0;
  transform:translateY(14px);
  pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.float-bar.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-bar span{font-size:13px;color:var(--t2);}
.float-bar .btn{padding:9px 16px;font-size:13px;}
@media (max-width:768px){
  .float-bar{display:flex;}
}

/* ---------- 入场动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .42s ease,transform .42s ease;
}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .btn,.feature-big,.feature-small,.metric-card,.news-card,.plan-card,.faq__icon,.float-cta,.float-bar{transition:none;}
  .feature-big:hover,.feature-small:hover,.metric-card:hover,.news-card:hover,.plan-card:hover,.btn:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --bg-0:#060A11;
  --bg-1:#0A1018;
  --bg-2:#0E1620;
  --brand:#2EE6C5;
  --brand-2:#6E8BFF;
  --accent:#FFB84D;
  --t1:#EAF1F8;
  --t2:#9FB0C4;
  --t3:#6B7C90;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow:0 18px 48px rgba(0,0,0,.45);
  --shadow-soft:0 10px 28px rgba(0,0,0,.32);
  --glow:0 0 0 1px rgba(46,230,197,.35), 0 10px 34px rgba(46,230,197,.22);
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-geo:"Space Grotesk","HarmonyOS Sans SC","PingFang SC",system-ui,sans-serif;
  --pad-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t2);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(46,230,197,.10), transparent 68%),
    radial-gradient(760px 480px at 92% 4%, rgba(110,139,255,.10), transparent 70%);
  z-index:0;
}
img{max-width:100%;display:block;height:auto;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:#7CF2DE;}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;letter-spacing:.2px;}
p{margin:0 0 18px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1;}
@media (min-width:1024px){ .container{padding:0 32px;} }
@media (min-width:1440px){ .container{max-width:1280px;} }

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn i{font-size:13px;transition:transform .22s ease;}
.btn--primary{
  background:linear-gradient(135deg,var(--brand),#19CDB0);
  color:#04120F;
  box-shadow:var(--glow);
}
.btn--primary:hover{transform:translateY(-2px);color:#04120F;box-shadow:0 0 0 1px rgba(46,230,197,.55),0 14px 40px rgba(46,230,197,.32);}
.btn--ghost{
  background:rgba(255,255,255,.045);
  color:var(--t1);
  border-color:var(--line-strong);
  backdrop-filter:blur(8px);
}
.btn--ghost:hover{transform:translateY(-2px);color:var(--t1);border-color:rgba(46,230,197,.6);background:rgba(46,230,197,.09);}
.btn--sm{padding:10px 20px;font-size:13.5px;}
.btn:active{transform:translateY(0) scale(.985);}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:600;
  color:var(--brand);
}
.link-more i{transition:transform .22s ease;}
.link-more:hover i{transform:translateX(3px);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,10,17,.72);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(6,10,17,.92);box-shadow:0 12px 28px rgba(0,0,0,.42);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.logo{display:inline-flex;align-items:center;gap:8px;text-decoration:none;}
.logo__main{
  font-family:var(--font-geo);
  font-size:19px;
  font-weight:700;
  color:var(--t1);
  letter-spacing:1px;
}
.logo__badge{
  font-family:var(--font-geo);
  font-size:11px;
  font-weight:700;
  letter-spacing:1.4px;
  color:var(--brand);
  border:1px solid rgba(46,230,197,.45);
  border-radius:6px;
  padding:2px 6px;
  line-height:1.2;
  background:rgba(46,230,197,.08);
}
.logo__sub{font-size:12px;color:var(--t3);letter-spacing:1px;}
.nav{display:flex;align-items:center;gap:6px;}
.nav__link{
  position:relative;
  padding:10px 14px;
  font-size:14.5px;
  color:var(--t2);
  border-radius:10px;
  transition:color .22s ease,background .22s ease;
}
.nav__link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  box-shadow:0 0 10px rgba(46,230,197,.75);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .26s ease;
}
.nav__link:hover{color:var(--t1);background:rgba(255,255,255,.05);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--brand);}
.nav__link.is-active::after{transform:scaleX(1);}
.nav__cta{flex-shrink:0;}

/* ---------- 面包屑 ---------- */
.crumb-bar{border-bottom:1px solid var(--line);background:rgba(10,16,24,.6);}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  padding:14px 0;
  font-size:13px;
  color:var(--t3);
}
.crumb a{color:var(--t3);}
.crumb a:hover{color:var(--t1);}
.crumb i{font-size:9px;opacity:.6;}
.crumb .is-current{color:var(--brand);}

/* ---------- 同级分类切换 ---------- */
.switch-bar{padding:26px 0 0;}
.switch-pills{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 18px;
  font-size:13.5px;
  color:var(--t2);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.035);
  transition:all .22s ease;
}
.pill i{font-size:12px;opacity:.8;}
.pill:hover{color:var(--t1);border-color:rgba(46,230,197,.45);background:rgba(46,230,197,.08);}
.pill.is-active{
  color:#04120F;
  background:linear-gradient(135deg,var(--brand),#1CD3B7);
  border-color:transparent;
  font-weight:600;
  box-shadow:0 8px 24px rgba(46,230,197,.24);
}
.pill.is-active i{opacity:1;}

/* ---------- 小 Hero ---------- */
.page-hero{padding:40px 0 0;}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:1px;
  color:var(--brand);
  border:1px solid rgba(46,230,197,.3);
  border-radius:var(--r-pill);
  padding:6px 14px;
  background:rgba(46,230,197,.07);
  margin-bottom:20px;
}
.eyebrow i{font-size:11px;}
.page-hero h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.22;
  margin-bottom:18px;
}
.page-hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.lede{font-size:16px;line-height:1.85;color:var(--t2);max-width:620px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;}
.fact{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t2);
  padding:8px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(6px);
}
.fact i{color:var(--brand);font-size:12px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;
  border-radius:20px;
  object-fit:cover;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
  aspect-ratio:16/11;
}
.hero-visual::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:52%;
  border-radius:0 0 20px 20px;
  background:linear-gradient(180deg,transparent,rgba(6,10,17,.88));
  pointer-events:none;
}
.visual-tag{
  position:absolute;
  left:18px;
  bottom:18px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  color:var(--t1);
  padding:8px 14px;
  border-radius:var(--r-pill);
  background:rgba(10,16,24,.78);
  border:1px solid rgba(46,230,197,.35);
  backdrop-filter:blur(10px);
}
.visual-tag i{color:var(--accent);}

/* ---------- 板块通用 ---------- */
.section{padding:var(--pad-y) 0;position:relative;}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--alt::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 30% 20%,rgba(0,0,0,.7),transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 30% 20%,rgba(0,0,0,.7),transparent 78%);
  pointer-events:none;
}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:clamp(23px,2.6vw,33px);line-height:1.3;margin-bottom:14px;}
.section-head p{font-size:15.5px;color:var(--t2);margin:0;}
.section-label{
  display:inline-block;
  font-size:12.5px;
  letter-spacing:1.6px;
  color:var(--brand);
  margin-bottom:12px;
  text-transform:uppercase;
  font-family:var(--font-geo);
}

/* ---------- 图文交替 ---------- */
.alt-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
  padding:36px 0;
}
.alt-row + .alt-row{border-top:1px dashed var(--line);}
.alt-row__media{position:relative;}
.alt-row__media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-soft);
}
.media-badge{
  position:absolute;
  top:16px;
  left:16px;
  font-family:var(--font-geo);
  font-size:12px;
  letter-spacing:1px;
  color:#04120F;
  background:var(--brand);
  border-radius:var(--r-pill);
  padding:5px 12px;
  font-weight:700;
}
.alt-row__body h3{font-size:21px;line-height:1.45;margin-bottom:14px;}
.alt-row__body p{font-size:15px;line-height:1.85;color:var(--t2);}
.chech-list{margin-top:20px;display:grid;gap:10px;}
.chech-list li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:var(--t2);
  line-height:1.7;
}
.chech-list li i{
  color:var(--brand);
  font-size:12px;
  margin-top:7px;
  flex-shrink:0;
}
.alt-row--reverse .alt-row__media{order:2;}
.alt-row--reverse .alt-row__body{order:1;}

/* ---------- 要点清单卡 ---------- */
.checklist-card{
  margin-top:16px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  padding:32px;
  box-shadow:var(--shadow-soft);
}
.checklist-card h3{font-size:19px;margin-bottom:8px;}
.checklist-card .hint{font-size:14px;color:var(--t3);margin-bottom:22px;}
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.check-item{
  display:flex;
  gap:12px;
  padding:16px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:rgba(10,16,24,.6);
  transition:border-color .22s ease,transform .22s ease;
}
.check-item:hover{border-color:rgba(46,230,197,.42);transform:translateY(-2px);}
.check-item .num{
  font-family:var(--font-geo);
  font-size:13px;
  font-weight:700;
  color:var(--brand);
  border:1px solid rgba(46,230,197,.35);
  border-radius:8px;
  min-width:32px;
  height:28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.check-item h4{font-size:14.5px;margin-bottom:4px;}
.check-item p{font-size:13.5px;line-height:1.7;color:var(--t3);margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:rgba(255,255,255,.04);
  margin-bottom:10px;
  overflow:hidden;
  transition:border-color .24s ease,background .24s ease;
}
.faq-item[open]{
  border-color:rgba(46,230,197,.45);
  background:rgba(46,230,197,.045);
  box-shadow:inset 3px 0 0 var(--brand);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  font-size:15.5px;
  font-weight:600;
  color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .mark{
  width:26px;
  height:26px;
  flex-shrink:0;
  border-radius:50%;
  border:1px solid var(--line-strong);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--brand);
  font-size:12px;
  transition:transform .26s ease,border-color .26s ease;
}
.faq-item[open] summary .mark{transform:rotate(45deg);border-color:rgba(46,230,197,.6);}
.faq-body{padding:0 22px 20px;font-size:14.8px;line-height:1.85;color:var(--t2);}

/* ---------- 下一步引导条 ---------- */
.next-step{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  padding:28px 32px;
  border-radius:var(--r-lg);
  border:1px solid rgba(46,230,197,.28);
  background:linear-gradient(120deg,rgba(46,230,197,.10),rgba(110,139,255,.08));
  box-shadow:var(--shadow-soft);
}
.next-step h3{font-size:18px;margin-bottom:6px;}
.next-step p{font-size:14px;color:var(--t2);margin:0;}
.next-step__actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  border-radius:22px;
  overflow:hidden;
  border:1px solid var(--line-strong);
  padding:56px 44px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(6,10,17,.94),rgba(6,10,17,.72));
}
.cta-inner{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;margin-bottom:10px;max-width:620px;}
.cta-inner p{font-size:14.5px;color:var(--t2);margin:0;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 26px;
  margin-top:96px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.footer-brand p{font-size:13.5px;line-height:1.85;color:var(--t3);margin:16px 0 14px;max-width:320px;}
.footer-domain{
  font-family:var(--font-geo);
  font-size:12.5px;
  color:var(--t3);
  letter-spacing:1px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:4px 12px;
  display:inline-block;
}
.footer-title{font-size:14px;color:var(--t1);margin-bottom:16px;letter-spacing:.6px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:13.5px;color:var(--t3);}
.footer-links a:hover{color:var(--t1);}
.footer-contact li{
  font-size:13.5px;
  color:var(--t3);
  margin-bottom:10px;
  display:flex;
  gap:9px;
  line-height:1.7;
}
.footer-contact i{color:var(--brand);font-size:12px;margin-top:6px;}
.footer-note{font-size:12.5px;color:var(--t3);line-height:1.75;margin:16px 0 0;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  padding-top:22px;
  font-size:13px;
  color:var(--t3);
}
.footer-bottom p{margin:0;}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tab{
  display:none;
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:70;
  background:rgba(8,13,20,.94);
  backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  padding:8px 6px calc(8px + env(safe-area-inset-bottom));
}
.mobile-tab__list{display:flex;align-items:stretch;justify-content:space-around;gap:2px;}
.mobile-tab__link{
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:4px;
  padding:7px 2px;
  border-radius:10px;
  color:var(--t3);
  font-size:10.5px;
  line-height:1.2;
  transition:color .2s ease,background .2s ease;
}
.mobile-tab__link i{font-size:16px;}
.mobile-tab__link.is-active{
  color:var(--brand);
  background:radial-gradient(circle at 50% 0,rgba(46,230,197,.18),transparent 70%);
}
.mobile-tab__link.is-active i{filter:drop-shadow(0 0 8px rgba(46,230,197,.6));}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s ease,transform .42s ease;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--pad-y:72px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .alt-row{grid-template-columns:1fr;gap:28px;}
  .alt-row--reverse .alt-row__media{order:0;}
  .alt-row--reverse .alt-row__body{order:0;}
  .check-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav{display:none;}
  .mobile-tab{display:block;}
  body{padding-bottom:78px;}
  .nav__cta{display:none;}
}
@media (max-width:768px){
  :root{--pad-y:56px;}
  .header-inner{min-height:64px;}
  .page-hero{padding:26px 0 0;}
  .cta-band{padding:38px 24px;border-radius:18px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .next-step{padding:22px 20px;}
  .checklist-card{padding:22px;}
  .site-footer{margin-top:64px;padding-top:48px;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .hero-visual img{aspect-ratio:4/3;}
  .lede{font-size:15px;}
  .faq-item summary{font-size:14.5px;padding:16px 16px;}
  .faq-body{padding:0 16px 18px;font-size:14px;}
  .hero-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg-0:#060A11; --bg-1:#0A1018; --bg-2:#0E1620;
  --brand:#2EE6C5; --brand-2:#6E8BFF; --accent:#FFB84D;
  --t1:#EAF1F8; --t2:#9FB0C4; --t3:#6B7C90;
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.045);
  --r-lg:18px; --r-md:12px; --r-pill:999px;
  --shadow:0 18px 48px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(46,230,197,.35),0 10px 34px rgba(46,230,197,.22);
  --max:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  min-height:100vh;
  background:
    radial-gradient(1000px 620px at 88% -8%, rgba(46,230,197,.10), transparent 62%),
    radial-gradient(900px 520px at 2% 6%, rgba(110,139,255,.10), transparent 62%),
    var(--bg-0);
  color:var(--t1);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:inherit;color:var(--t1);margin:0;line-height:1.3;font-weight:700;letter-spacing:.01em;}
p{margin:0 0 18px;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px;}
::selection{background:rgba(46,230,197,.28);color:#fff;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.btn--primary{background:linear-gradient(135deg,var(--brand),#7CF3DC);color:#04120F;box-shadow:var(--glow);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(46,230,197,.55),0 14px 40px rgba(46,230,197,.34);}
.btn--ghost{background:var(--glass);border-color:var(--line);color:var(--t1);}
.btn--ghost:hover{border-color:rgba(46,230,197,.55);background:rgba(46,230,197,.08);transform:translateY(-2px);}
.btn--sm{padding:10px 20px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:7px;color:var(--brand);font-weight:600;font-size:14px;}
.link-arrow i{transition:transform .25s var(--ease);font-size:12px;}
.link-arrow:hover i{transform:translateX(4px);}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,10,17,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(6,10,17,.94);box-shadow:0 14px 36px rgba(0,0,0,.5);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;}
.logo{display:inline-flex;align-items:center;gap:8px;flex-wrap:nowrap;}
.logo__main{font-size:19px;font-weight:700;letter-spacing:.03em;}
.logo__badge{
  font-family:"Space Grotesk","Segoe UI",Arial,sans-serif;font-size:11px;font-weight:700;letter-spacing:.14em;
  color:#04120F;background:linear-gradient(135deg,var(--brand),#8AF6E1);
  padding:3px 7px;border-radius:6px;transform:skewX(-8deg);
}
.logo__sub{font-size:12px;letter-spacing:.16em;color:var(--t3);}
.nav{display:flex;align-items:center;gap:4px;}
.nav__link{
  position:relative;padding:10px 15px;font-size:15px;color:var(--t2);border-radius:var(--r-pill);
  transition:color .25s var(--ease),background .25s var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);box-shadow:0 0 12px rgba(46,230,197,.6);
}
.nav__link:hover{color:var(--t1);background:rgba(255,255,255,.035);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--brand);}
.nav__link.is-active::after{transform:scaleX(1);}
.nav__cta{flex:none;}

/* ===== 面包屑 / 栏目条 ===== */
.page-main{padding:34px 0 84px;}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--t3);}
.crumb a{color:var(--t3);}
.crumb a:hover{color:var(--brand);}
.crumb__sep{color:rgba(255,255,255,.22);}
.crumb__cur{color:var(--brand);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.chip-bar{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 30px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--glass);
  font-size:14px;color:var(--t2);
  transition:border-color .25s var(--ease),color .25s var(--ease),background .25s var(--ease),transform .25s var(--ease);
}
.chip:hover{border-color:rgba(46,230,197,.5);color:var(--t1);transform:translateY(-2px);}
.chip.is-active{border-color:rgba(46,230,197,.65);color:var(--brand);background:rgba(46,230,197,.09);box-shadow:0 0 0 1px rgba(46,230,197,.18);}

/* ===== 文章布局 ===== */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:44px;align-items:start;}
.article-main{min-width:0;}
.article-head{
  position:relative;
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  box-shadow:var(--shadow);
  padding:34px 34px 30px;
  margin-bottom:30px;
  overflow:hidden;
}
.article-head::before{
  content:"";position:absolute;inset:0 0 auto 0;height:2px;
  background:linear-gradient(90deg,transparent,var(--brand),var(--brand-2),transparent);
  opacity:.8;
}
.article-head h1{font-size:clamp(26px,3.3vw,40px);line-height:1.28;margin:16px 0 20px;letter-spacing:.005em;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;letter-spacing:.04em;
  color:var(--brand);background:rgba(46,230,197,.10);
  border:1px solid rgba(46,230,197,.32);
}
.tag--amber{color:var(--accent);background:rgba(255,184,77,.10);border-color:rgba(255,184,77,.34);}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13px;color:var(--t3);}
.meta-row i{color:rgba(46,230,197,.8);margin-right:6px;font-size:12px;}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.2);}
.article-cover{margin-top:26px;border-radius:14px;overflow:hidden;border:1px solid var(--line);position:relative;}
.article-cover img{width:100%;height:auto;object-fit:cover;aspect-ratio:16/8;}
.article-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(6,10,17,.55));pointer-events:none;}

/* ===== 正文排版 ===== */
.article-body{
  max-width:760px;margin:0 auto;
  font-size:16px;line-height:1.9;color:var(--t2);
  padding:6px 2px 4px;
}
.article-body h2{
  position:relative;padding-left:16px;margin:40px 0 14px;
  font-size:clamp(21px,2.2vw,25px);color:var(--t1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
  box-shadow:0 0 14px rgba(46,230,197,.5);
}
.article-body h3{font-size:19px;color:var(--t1);margin:30px 0 10px;font-weight:600;}
.article-body h4{font-size:17px;color:var(--t1);margin:24px 0 8px;font-weight:600;}
.article-body p{margin:0 0 18px;}
.article-body strong{color:var(--t1);font-weight:600;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  transform:rotate(45deg);background:var(--brand);opacity:.9;
}
.article-body ol{counter-reset:li;}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:li;}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:.1em;font-size:13px;font-weight:700;color:var(--brand);
  font-family:"Space Grotesk",Arial,sans-serif;
}
.article-body blockquote{
  margin:24px 0;padding:18px 24px;border-left:3px solid var(--brand);
  background:rgba(46,230,197,.06);border-radius:var(--r-md);color:var(--t1);
  border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:14px;margin:22px 0 8px;width:100%;height:auto;object-fit:cover;border:1px solid var(--line);}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(46,230,197,.4);}
.article-body a:hover{border-bottom-color:var(--brand);}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:22px 0;font-size:15px;border:1px solid var(--line);border-radius:12px;overflow:hidden;}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;}
.article-body th{background:rgba(255,255,255,.045);color:var(--t1);font-weight:600;}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0;}

/* ===== 声明 / 相关 / 返回 ===== */
.article-note{
  max-width:760px;margin:36px auto 0;
  padding:18px 22px;border-radius:var(--r-md);
  border:1px solid rgba(255,184,77,.28);
  background:rgba(255,184,77,.06);
  font-size:13.5px;line-height:1.85;color:var(--t2);
}
.article-note i{color:var(--accent);margin-right:8px;}
.related{margin-top:46px;}
.section-title{font-size:21px;margin-bottom:6px;}
.section-desc{font-size:14px;color:var(--t3);margin-bottom:20px;}
.related__list{
  border:1px dashed rgba(255,255,255,.14);
  border-radius:var(--r-md);
  background:rgba(255,255,255,.02);
  padding:22px;min-height:96px;display:flex;align-items:center;
}
.related__empty{font-size:14px;color:var(--t3);margin:0;}
.back-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;align-items:center;}
.empty-state{
  max-width:760px;margin:0 auto;text-align:center;
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  box-shadow:var(--shadow);
  padding:56px 28px;
}
.empty-state i{font-size:30px;color:var(--brand);opacity:.85;}
.empty-state h2{font-size:21px;margin:16px 0 10px;}
.empty-state p{font-size:14.5px;color:var(--t2);max-width:440px;margin:0 auto 22px;}

/* ===== 侧栏 ===== */
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px;}
.side-card{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  box-shadow:var(--shadow);
  padding:22px;
}
.side-card__title{font-size:15.5px;margin-bottom:16px;display:flex;align-items:center;gap:9px;}
.side-card__title::before{content:"";width:3px;height:14px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--brand-2));}
.step-list li{display:flex;gap:12px;padding-bottom:16px;margin-bottom:16px;border-bottom:1px solid var(--line);}
.step-list li:last-child{padding-bottom:0;margin-bottom:0;border-bottom:0;}
.step-list__num{
  flex:none;font-family:"Space Grotesk",Arial,sans-serif;font-size:13px;font-weight:700;
  color:var(--brand);border:1px solid rgba(46,230,197,.35);border-radius:8px;
  width:30px;height:30px;display:flex;align-items:center;justify-content:center;
}
.step-list strong{display:block;font-size:14.5px;color:var(--t1);margin-bottom:2px;}
.step-list p{font-size:13px;line-height:1.7;color:var(--t3);margin:0;}
.side-links li + li{border-top:1px solid var(--line);}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 2px;font-size:14px;color:var(--t2);}
.side-links a i{font-size:11px;color:var(--t3);transition:transform .25s var(--ease),color .25s var(--ease);}
.side-links a:hover{color:var(--brand);}
.side-links a:hover i{transform:translateX(4px);color:var(--brand);}
.side-card--tip{background:rgba(46,230,197,.05);border-color:rgba(46,230,197,.22);}
.side-tip{font-size:13px;line-height:1.85;color:var(--t2);margin:0;}
.side-tip i{color:var(--brand);margin-right:8px;}

/* ===== CTA 带 ===== */
.cta-band{position:relative;margin-top:20px;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.28;
}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,10,17,.94),rgba(6,10,17,.72));}
.cta-band__inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:56px 32px;flex-wrap:wrap;}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;}
.cta-band p{font-size:15px;color:var(--t2);margin:0;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:66px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand p{font-size:13.5px;line-height:1.85;color:var(--t3);margin:16px 0 12px;max-width:320px;}
.footer-domain{display:inline-block;font-size:12.5px;letter-spacing:.08em;color:rgba(46,230,197,.72);border:1px solid rgba(46,230,197,.24);border-radius:var(--r-pill);padding:3px 12px;}
.footer-title{font-size:14px;color:var(--t1);margin-bottom:16px;letter-spacing:.04em;}
.footer-links li{margin-bottom:10px;}
.footer-links a,.footer-contact li{font-size:13.5px;color:var(--t3);}
.footer-links a:hover{color:var(--t1);}
.footer-contact li{margin-bottom:10px;line-height:1.7;}
.footer-contact i{color:rgba(46,230,197,.75);margin-right:8px;font-size:12px;width:14px;}
.footer-note{font-size:12.5px;line-height:1.8;color:var(--t3);margin-top:14px;padding-top:14px;border-top:1px solid var(--line);}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:44px;padding-top:20px;border-top:1px solid var(--line);}
.footer-bottom p{font-size:13px;color:var(--t3);margin:0;}

/* ===== 移动端底部 Tab ===== */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;
  background:rgba(8,13,20,.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  padding:8px 8px calc(8px + env(safe-area-inset-bottom));
}
.mobile-tab__list{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;}
.mobile-tab a{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:5px;
  padding:7px 2px;border-radius:10px;font-size:10px;letter-spacing:.02em;color:var(--t3);
  transition:color .25s var(--ease),background .25s var(--ease);
}
.mobile-tab a i{font-size:16px;line-height:1;}
.mobile-tab a.is-active{color:var(--brand);background:rgba(46,230,197,.09);}
.mobile-tab a.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand);box-shadow:0 0 10px var(--brand);
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav{display:none;}
  .article-layout{grid-template-columns:1fr;gap:34px;}
  .side{position:static;order:2;display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .side-card--tip{grid-column:1 / -1;}
  .mobile-tab{display:block;}
  body{padding-bottom:78px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .page-main{padding:24px 0 64px;}
  .article-head{padding:24px 20px;}
  .article-cover img{aspect-ratio:16/9;}
  .cta-band__inner{padding:44px 24px;flex-direction:column;align-items:flex-start;}
  .side{grid-template-columns:1fr;}
  .site-footer{padding:48px 0 20px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .header-inner{min-height:64px;gap:12px;}
  .logo__sub{display:none;}
  .nav__cta{padding:9px 15px;font-size:13px;}
  .article-head h1{font-size:24px;}
  .article-body{font-size:15.5px;}
  .back-links .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --bg-0:#060A11;
  --bg-1:#0A1018;
  --bg-2:#0E1620;
  --brand:#2EE6C5;
  --brand-2:#6E8BFF;
  --accent:#FFB84D;
  --t1:#EAF1F8;
  --t2:#9FB0C4;
  --t3:#6B7C90;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --radius-lg:18px;
  --radius-sm:12px;
  --shadow:0 18px 48px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(46,230,197,.35),0 10px 34px rgba(46,230,197,.22);
  --container:1200px;
  --font:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Space Grotesk","HarmonyOS Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 10% -8%, rgba(46,230,197,.10), transparent 62%),
    radial-gradient(760px 480px at 94% 2%, rgba(110,139,255,.10), transparent 60%);
  background-repeat:no-repeat;
  color:var(--t1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease;}
a:hover{color:#7CF6DF;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:3px;
  border-radius:6px;
}
button{font-family:inherit;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;position:relative;}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:2px;color:var(--brand);
  text-transform:uppercase;margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--brand);box-shadow:0 0 10px rgba(46,230,197,.8);}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.3px;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
.section-desc{color:var(--t2);font-size:15.5px;margin-top:14px;max-width:760px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(6,10,17,.74);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(6,10,17,.92);box-shadow:0 10px 30px rgba(0,0,0,.45);}
.header-inner{display:flex;align-items:center;gap:22px;min-height:72px;}
.logo{display:inline-flex;align-items:center;gap:8px;color:var(--t1);flex-shrink:0;}
.logo:hover{color:var(--t1);}
.logo__main{font-size:19px;font-weight:700;letter-spacing:.6px;}
.logo__badge{
  font-family:var(--font-num);font-size:11px;font-weight:700;letter-spacing:1.2px;
  color:#04211C;background:linear-gradient(135deg,var(--brand),#5EF0D6);
  padding:3px 7px;border-radius:6px;line-height:1.2;
}
.logo__sub{font-size:12px;color:var(--t3);letter-spacing:1.4px;padding-left:8px;border-left:1px solid var(--line);}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav__link{
  position:relative;display:inline-block;padding:10px 15px;border-radius:999px;
  font-size:14.5px;color:var(--t2);transition:color .22s ease, background .22s ease;
}
.nav__link:hover{color:var(--t1);background:rgba(255,255,255,.045);}
.nav__link.is-active{color:var(--brand);}
.nav__link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 12px rgba(46,230,197,.85);
}
.nav__cta{margin-left:8px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;border:1px solid transparent;cursor:pointer;
  font-weight:600;font-size:15px;line-height:1;padding:14px 27px;
  transition:transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease, border-color .22s ease, filter .22s ease;
}
.btn i{font-size:13px;}
.btn--primary{
  background:linear-gradient(135deg,var(--brand),#25CDB2);
  color:#04211C;box-shadow:var(--glow);
}
.btn--primary:hover{
  color:#04211C;transform:translateY(-2px);filter:brightness(1.07);
  box-shadow:0 0 0 1px rgba(46,230,197,.5),0 14px 40px rgba(46,230,197,.3);
}
.btn--ghost{
  background:rgba(255,255,255,.04);border-color:var(--line);color:var(--t1);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.btn--ghost:hover{
  color:var(--brand);border-color:rgba(46,230,197,.55);background:rgba(46,230,197,.08);
  transform:translateY(-2px);
}
.btn--sm{padding:10px 19px;font-size:13.5px;}
.text-link{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;}
.text-link i{transition:transform .22s ease;}
.text-link:hover i{transform:translateX(3px);}

/* ---------- subnav ---------- */
.subnav-wrap{padding:22px 0 0;}
.subnav{display:flex;flex-wrap:wrap;gap:10px;}
.subnav__item{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;font-size:13.5px;font-weight:600;
  color:var(--t2);border:1px solid var(--line);background:rgba(255,255,255,.035);
  transition:all .22s ease;
}
.subnav__item:hover{color:var(--t1);border-color:rgba(46,230,197,.4);background:rgba(46,230,197,.07);}
.subnav__item.is-current{
  color:#04211C;background:linear-gradient(135deg,var(--brand),#25CDB2);
  border-color:transparent;box-shadow:var(--glow);
}
.subnav__item.is-current:hover{color:#04211C;}

/* ---------- hero ---------- */
.hero{padding:56px 0 88px;position:relative;overflow:hidden;}
.hero__grid{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;}
.hero__title{font-size:clamp(30px,4.2vw,50px);line-height:1.16;font-weight:700;letter-spacing:-.6px;}
.hero__title em{
  font-style:normal;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__lead{color:var(--t2);font-size:16.5px;line-height:1.8;margin-top:20px;max-width:620px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero__trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:999px;font-size:13px;color:var(--t2);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.chip i{color:var(--brand);font-size:12px;}
.hero__media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.hero__media img{width:100%;aspect-ratio:16/10;object-fit:cover;filter:saturate(1.05);}
.hero__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,17,.12) 0%,rgba(6,10,17,.72) 100%);
  pointer-events:none;
}
.hero__card{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  padding:16px 18px;border-radius:var(--radius-sm);
  background:rgba(10,16,24,.78);
  border:1px solid var(--line-strong);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.hero__card-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--t2);padding:5px 0;}
.hero__card-row strong{color:var(--t1);font-family:var(--font-num);font-size:13.5px;letter-spacing:.5px;}
.stamp{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  padding:6px 13px;border-radius:999px;font-size:12px;font-weight:700;
  color:var(--accent);border:1px solid rgba(255,184,77,.45);
  background:rgba(255,184,77,.10);
}
.hero__glow{
  position:absolute;width:420px;height:420px;right:-120px;top:-140px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,230,197,.18),transparent 66%);
  pointer-events:none;filter:blur(10px);
}

/* ---------- index cards ---------- */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.idx-card{
  position:relative;display:flex;flex-direction:column;
  padding:28px 26px 24px;border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.018));
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:transform .28s ease, border-color .28s ease, box-shadow .28s ease;
  overflow:hidden;
}
.idx-card::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  opacity:.55;
}
.idx-card:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.42);box-shadow:0 22px 54px rgba(0,0,0,.55);}
.idx-card__num{
  font-family:var(--font-num);font-size:52px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(46,230,197,.55);
  margin-bottom:16px;letter-spacing:1px;
}
.idx-card:hover .idx-card__num{-webkit-text-stroke-color:rgba(46,230,197,.9);}
.idx-card h3{margin-bottom:10px;font-size:18.5px;}
.idx-card p{color:var(--t2);font-size:14.5px;line-height:1.8;}
.idx-card__foot{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:600;color:var(--brand);
  border-top:1px solid var(--line);margin-top:20px;
}
.idx-card__foot i{font-size:12px;transition:transform .22s ease;}
.idx-card:hover .idx-card__foot i{transform:translateX(4px);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative;}
.step{
  position:relative;padding:26px 24px;border-radius:var(--radius-lg);
  background:rgba(14,22,32,.72);border:1px solid var(--line);
  transition:border-color .25s ease, transform .25s ease;
}
.step:hover{border-color:rgba(110,139,255,.5);transform:translateY(-3px);}
.step__tag{
  display:inline-flex;align-items:center;gap:7px;font-family:var(--font-num);
  font-size:12.5px;font-weight:700;letter-spacing:1.4px;color:var(--brand-2);
  margin-bottom:14px;
}
.step__tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 10px rgba(110,139,255,.9);}
.step h3{font-size:17.5px;margin-bottom:10px;}
.step p{color:var(--t2);font-size:14.5px;}
.step__line{position:absolute;right:-14px;top:56px;width:28px;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));opacity:.5;}
.step:last-child .step__line{display:none;}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:36px;}
.compare__col{padding:26px 26px 22px;border-radius:var(--radius-lg);border:1px solid var(--line);background:rgba(255,255,255,.03);}
.compare__col--ok{border-color:rgba(46,230,197,.34);background:rgba(46,230,197,.055);}
.compare__col--warn{border-color:rgba(255,184,77,.32);background:rgba(255,184,77,.055);}
.compare__col h3{display:flex;align-items:center;gap:10px;font-size:17.5px;margin-bottom:16px;}
.compare__col--ok h3 i{color:var(--brand);}
.compare__col--warn h3 i{color:var(--accent);}
.compare__col li{
  position:relative;padding-left:24px;font-size:14.5px;color:var(--t2);
  margin-bottom:12px;line-height:1.75;
}
.compare__col--ok li::before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:700;}
.compare__col--warn li::before{content:"!";position:absolute;left:2px;color:var(--accent);font-weight:700;}

/* ---------- faq ---------- */
.faq{max-width:820px;margin:0 auto;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(255,255,255,.035);margin-bottom:12px;overflow:hidden;
  transition:border-color .25s ease, background .25s ease;
}
.faq-item[open]{border-color:rgba(46,230,197,.5);background:rgba(46,230,197,.055);box-shadow:inset 3px 0 0 rgba(46,230,197,.75);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;cursor:pointer;font-size:15.5px;font-weight:600;color:var(--t1);
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"＋";flex-shrink:0;font-size:17px;line-height:1;color:var(--brand);
  transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"－";transform:rotate(180deg);}
.faq-body{padding:0 22px 20px;color:var(--t2);font-size:14.8px;line-height:1.85;}

/* ---------- next bar ---------- */
.next-bar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:26px 30px;border-radius:var(--radius-lg);
  border:1px solid rgba(110,139,255,.32);
  background:linear-gradient(100deg,rgba(110,139,255,.13),rgba(46,230,197,.07));
  margin-top:44px;flex-wrap:wrap;
}
.next-bar__txt{display:flex;align-items:center;gap:16px;color:var(--t1);font-size:15.5px;font-weight:600;}
.next-bar__txt i{color:var(--brand);font-size:20px;}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);}
.cta-band__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.32;
}
.cta-band__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,10,17,.94),rgba(6,10,17,.78));
}
.cta-band .container{position:relative;z-index:2;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;padding:72px 0;}
.cta-inner h2{max-width:640px;}
.cta-inner p{color:var(--t2);margin-top:12px;font-size:15.5px;max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:40px;}
.footer-brand p{color:var(--t2);font-size:14px;line-height:1.8;margin-top:16px;max-width:320px;}
.footer-domain{
  display:inline-block;margin-top:14px;font-family:var(--font-num);font-size:13px;
  letter-spacing:1px;color:var(--t3);padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.footer-title{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:16px;letter-spacing:.5px;}
.footer-links li,.footer-contact li{margin-bottom:11px;}
.footer-links a{font-size:13.5px;color:var(--t3);}
.footer-links a:hover{color:var(--t1);}
.footer-contact li{font-size:13.5px;color:var(--t3);display:flex;gap:9px;align-items:flex-start;line-height:1.7;}
.footer-contact i{color:var(--brand);font-size:12px;margin-top:6px;}
.footer-note{font-size:12.5px;color:var(--t3);line-height:1.75;margin-top:16px;max-width:320px;}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12.8px;color:var(--t3);}

/* ---------- mobile tabbar ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:130;
  background:rgba(8,13,20,.94);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
  padding:8px 6px calc(8px + env(safe-area-inset-bottom));
}
.tabbar__inner{display:flex;justify-content:space-around;align-items:stretch;}
.tabbar__item{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:6px 2px 4px;border-radius:10px;color:var(--t3);font-size:10.5px;
  position:relative;transition:color .2s ease;
}
.tabbar__item i{font-size:17px;line-height:1;}
.tabbar__item:hover{color:var(--t2);}
.tabbar__item.is-active{color:var(--brand);}
.tabbar__item.is-active::before{
  content:"";position:absolute;top:-8px;left:50%;transform:translateX(-50%);
  width:26px;height:6px;border-radius:0 0 6px 6px;
  background:var(--brand);box-shadow:0 0 14px rgba(46,230,197,.9);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .container{max-width:100%;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .hero{padding:44px 0 64px;}
  .hero__grid{grid-template-columns:1fr;gap:36px;}
  .hero__lead{max-width:none;}
  .cards-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
  .step__line{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .compare{grid-template-columns:1fr;}
}
@media (max-width:900px){
  .nav{display:none;}
  .nav__cta{display:none;}
  .tabbar{display:block;}
  body{padding-bottom:calc(68px + env(safe-area-inset-bottom));}
  .header-inner{min-height:62px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .hero{padding:34px 0 52px;}
  .hero__title{font-size:clamp(26px,7.4vw,34px);}
  .hero__lead{font-size:15.5px;}
  .hero__actions .btn{flex:1 1 100%;}
  .cards-grid{grid-template-columns:1fr;}
  .idx-card{padding:24px 20px 20px;}
  .idx-card__num{font-size:44px;}
  .next-bar{flex-direction:column;align-items:flex-start;padding:22px;}
  .cta-inner{padding:56px 0;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;}
  .logo__sub{display:none;}
  .subnav__item{font-size:12.5px;padding:9px 14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --bg-0:#060A11;
  --bg-1:#0A1018;
  --bg-2:#0E1620;
  --brand:#2EE6C5;
  --brand-2:#6E8BFF;
  --accent:#FFB84D;
  --t1:#EAF1F8;
  --t2:#9FB0C4;
  --t3:#6B7C90;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --glass:rgba(18,26,38,.62);
  --glass-soft:rgba(18,26,38,.42);
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow:0 18px 48px rgba(0,0,0,.45);
  --shadow-sm:0 10px 26px rgba(0,0,0,.32);
  --glow:0 0 0 1px rgba(46,230,197,.35),0 10px 34px rgba(46,230,197,.22);
  --sp-section:clamp(56px,7vw,96px);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t2);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 82% -8%,rgba(46,230,197,.12),transparent 62%),
    radial-gradient(760px 460px at 6% 12%,rgba(110,139,255,.10),transparent 66%),
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
h1,h2,h3,h4{color:var(--t1);font-weight:700;line-height:1.25;}
h1{font-size:clamp(30px,4.2vw,50px);line-height:1.15;letter-spacing:-.5px;}
h2{font-size:clamp(24px,2.6vw,34px);}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{font-size:16px;line-height:1.85;color:var(--t2);}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--t1);}
img{max-width:100%;display:block;border-radius:var(--r-md);object-fit:cover;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 20px;
  position:relative;
  z-index:1;
}
@media (min-width:1024px){
  .container{max-width:1280px;padding:0 32px;}
}
.grid-x{margin-left:0;margin-right:0;}
.section{padding:var(--sp-section) 0;position:relative;}
.section--alt{background:linear-gradient(180deg,rgba(10,16,24,0),rgba(14,22,32,.86) 22%,rgba(14,22,32,.86) 78%,rgba(10,16,24,0));}
.section__head{max-width:760px;margin-bottom:40px;}
.section__head h2{margin-bottom:14px;}
.section__head p{font-size:15px;line-height:1.8;color:var(--t2);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brand);
  border:1px solid rgba(46,230,197,.28);
  background:rgba(46,230,197,.07);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:18px;
  font-weight:600;
}
/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(6,10,17,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.site-header.is-scrolled{
  background:rgba(6,10,17,.92);
  box-shadow:0 14px 40px rgba(0,0,0,.45);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:30px;
  height:74px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:9px;
  flex:0 0 auto;
  color:var(--t1);
}
.logo__main{
  font-size:20px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--t1);
}
.logo__badge{
  font-size:11px;
  font-weight:700;
  letter-spacing:.12em;
  color:#04120F;
  background:linear-gradient(135deg,var(--brand),#1FC6A8);
  border-radius:6px;
  padding:3px 6px;
  line-height:1;
  box-shadow:0 0 16px rgba(46,230,197,.35);
}
.logo__sub{
  font-size:12px;
  color:var(--t3);
  letter-spacing:.18em;
  border-left:1px solid var(--line-strong);
  padding-left:9px;
  line-height:1.2;
}
.nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav__link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  color:var(--t2);
  border-radius:var(--r-pill);
  transition:color .22s ease,background .22s ease;
}
.nav__link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .28s ease;
  box-shadow:0 0 12px rgba(46,230,197,.7);
}
.nav__link:hover{color:var(--t1);background:rgba(255,255,255,.04);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--t1);}
.nav__link.is-active::after{transform:scaleX(1);}
.nav__cta{margin-left:8px;flex:0 0 auto;}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  padding:13px 28px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  text-align:center;
}
.btn--sm{padding:9px 20px;font-size:14px;}
.btn--primary{
  background:linear-gradient(135deg,var(--brand),#1ED3B4);
  color:#04120F;
  box-shadow:var(--glow);
}
.btn--primary:hover{
  color:#04120F;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(46,230,197,.55),0 16px 42px rgba(46,230,197,.34);
}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--line-strong);
  color:var(--t1);
}
.btn--ghost:hover{
  color:var(--t1);
  border-color:rgba(46,230,197,.6);
  background:rgba(46,230,197,.08);
  transform:translateY(-2px);
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
}
.link-arrow i{font-size:12px;transition:transform .22s ease;}
.link-arrow:hover{color:var(--t1);}
.link-arrow:hover i{transform:translateX(3px);}
/* ---------- breadcrumb & tabs ---------- */
.crumbs{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:13px;
  color:var(--t3);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.crumbs a{color:var(--t3);}
.crumbs a:hover{color:var(--t1);}
.crumbs .is-current{color:var(--brand);}
.cat-tabs{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:26px;
}
.cat-tab{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 18px;
  font-size:14px;
  color:var(--t2);
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:all .22s ease;
}
.cat-tab:hover{color:var(--t1);border-color:rgba(46,230,197,.45);background:rgba(46,230,197,.07);}
.cat-tab.is-active{
  color:#04120F;
  background:linear-gradient(135deg,var(--brand),#1ED3B4);
  border-color:transparent;
  font-weight:600;
  box-shadow:0 8px 24px rgba(46,230,197,.24);
}
/* ---------- hero ---------- */
.page-hero{
  padding:44px 0 clamp(48px,6vw,80px);
  position:relative;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-10%;
  top:-24%;
  width:640px;
  height:640px;
  background:radial-gradient(circle,rgba(46,230,197,.14),transparent 66%);
  pointer-events:none;
}
.hero-lead{
  font-size:17px;
  line-height:1.8;
  color:var(--t2);
  max-width:600px;
  margin-top:20px;
}
.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-top:30px;
}
.chips{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:26px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t2);
  background:var(--glass-soft);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:7px 15px;
  backdrop-filter:blur(10px);
}
.chip i{color:var(--brand);font-size:12px;}
.hero-figure{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
  margin-top:12px;
}
.hero-figure img{
  width:100%;
  aspect-ratio:16/11;
  border-radius:0;
  filter:saturate(1.05) contrast(1.02);
}
.hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,10,17,.10) 0%,rgba(6,10,17,.72) 72%,rgba(6,10,17,.94) 100%);
  pointer-events:none;
}
.glass-note{
  position:absolute;
  left:18px;
  right:18px;
  bottom:18px;
  z-index:2;
  background:rgba(12,19,28,.78);
  border:1px solid var(--line-strong);
  border-radius:var(--r-md);
  padding:16px 18px;
  backdrop-filter:blur(14px);
  display:flex;
  align-items:center;
  gap:16px;
  justify-content:space-between;
  flex-wrap:wrap;
}
.glass-note__item{font-size:13px;color:var(--t3);line-height:1.5;}
.glass-note__item strong{display:block;font-size:18px;color:var(--t1);font-weight:700;letter-spacing:.02em;}
.seal{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:12px;
  font-weight:700;
  color:var(--accent);
  border:1px dashed rgba(255,184,77,.55);
  background:rgba(255,184,77,.10);
  border-radius:var(--r-pill);
  padding:6px 13px;
}
/* ---------- timeline layout ---------- */
.check-layout{align-items:flex-start;}
.timeline{
  position:relative;
  padding-left:22px;
  margin-bottom:28px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:5px;
  top:8px;
  bottom:8px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2) 70%,transparent);
  opacity:.55;
}
.timeline__item{
  position:relative;
  padding:0 0 26px 6px;
}
.timeline__item:last-child{padding-bottom:0;}
.timeline__item::before{
  content:"";
  position:absolute;
  left:-22px;
  top:8px;
  width:12px;
  height:12px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(46,230,197,.16),0 0 16px rgba(46,230,197,.7);
}
.timeline__title{
  display:block;
  font-size:15px;
  font-weight:600;
  color:var(--t1);
  margin-bottom:4px;
}
.timeline__desc{font-size:13px;line-height:1.7;color:var(--t3);}
.timeline-box{
  background:var(--glass-soft);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  backdrop-filter:blur(12px);
}
.timeline-box__head{
  font-size:13px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--brand);
  margin-bottom:18px;
  font-weight:600;
}
/* ---------- check cards ---------- */
.check-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 26px 24px;
  margin-bottom:16px;
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow-sm);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.check-card:hover{
  transform:translateY(-4px);
  border-color:rgba(46,230,197,.42);
  box-shadow:0 22px 48px rgba(0,0,0,.5);
}
.check-card:last-child{margin-bottom:0;}
.check-card__top{
  display:flex;
  align-items:flex-start;
  gap:16px;
  margin-bottom:12px;
  flex-wrap:wrap;
}
.check-card__num{
  font-size:15px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--brand);
  border:1px solid rgba(46,230,197,.35);
  border-radius:9px;
  padding:4px 10px;
  line-height:1.4;
  flex:0 0 auto;
}
.check-card__top h3{font-size:19px;flex:1 1 220px;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:600;
  padding:5px 12px;
  border-radius:var(--r-pill);
  white-space:nowrap;
  flex:0 0 auto;
}
.badge--pass{
  color:var(--brand);
  background:rgba(46,230,197,.10);
  border:1px solid rgba(46,230,197,.34);
}
.badge--warn{
  color:var(--accent);
  background:rgba(255,184,77,.10);
  border:1px solid rgba(255,184,77,.38);
}
.badge i{font-size:11px;}
.check-card p{font-size:15px;line-height:1.8;margin-bottom:14px;}
.check-list{display:grid;gap:8px;}
.check-list li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  line-height:1.75;
  color:var(--t2);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:7px;
  height:7px;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 10px rgba(46,230,197,.6);
}
.check-card--warn .check-list li::before{background:var(--accent);box-shadow:0 0 10px rgba(255,184,77,.55);}
/* ---------- contrast columns ---------- */
.contrast{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.contrast-card{
  background:var(--glass-soft);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 26px;
  backdrop-filter:blur(12px);
  transition:transform .28s ease,border-color .28s ease;
}
.contrast-card:hover{transform:translateY(-4px);}
.contrast-card--ok{border-color:rgba(46,230,197,.30);}
.contrast-card--ok:hover{border-color:rgba(46,230,197,.6);}
.contrast-card--warn{border-color:rgba(255,184,77,.28);}
.contrast-card--warn:hover{border-color:rgba(255,184,77,.58);}
.contrast-card__head{
  display:flex;
  align-items:center;
  gap:11px;
  margin-bottom:18px;
}
.contrast-card__head i{
  width:34px;
  height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  font-size:14px;
  flex:0 0 auto;
}
.contrast-card--ok .contrast-card__head i{color:var(--brand);background:rgba(46,230,197,.12);}
.contrast-card--warn .contrast-card__head i{color:var(--accent);background:rgba(255,184,77,.12);}
.contrast-card__head h3{font-size:18px;}
.contrast-card ul{display:grid;gap:12px;}
.contrast-card li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--t2);
}
.contrast-card li::before{
  content:"";
  position:absolute;
  left:0;
  top:10px;
  width:6px;
  height:6px;
  border-radius:50%;
}
.contrast-card--ok li::before{background:var(--brand);}
.contrast-card--warn li::before{background:var(--accent);}
/* ---------- record cards ---------- */
.record-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.record-card{
  background:var(--glass-soft);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px 22px;
  backdrop-filter:blur(12px);
  transition:transform .28s ease,border-color .28s ease;
}
.record-card:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.45);}
.record-card__idx{
  font-size:13px;
  font-weight:700;
  color:var(--brand-2);
  letter-spacing:.14em;
  display:block;
  margin-bottom:12px;
}
.record-card h3{font-size:17px;margin-bottom:9px;}
.record-card p{font-size:14px;line-height:1.75;color:var(--t3);}
/* ---------- faq ---------- */
.faq{max-width:820px;margin:0 auto;display:grid;gap:10px;}
.faq__item{
  background:var(--glass-soft);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq__item.is-open{
  border-color:rgba(46,230,197,.55);
  background:rgba(20,30,42,.72);
  box-shadow:inset 2px 0 0 var(--brand);
}
.faq__btn{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:19px 22px;
  background:none;
  border:0;
  color:var(--t1);
  font-size:16px;
  font-weight:600;
  text-align:left;
  line-height:1.5;
}
.faq__icon{
  flex:0 0 auto;
  width:28px;
  height:28px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  color:var(--brand);
  transition:transform .28s ease,background .25s ease;
}
.faq__item.is-open .faq__icon{
  transform:rotate(45deg);
  background:rgba(46,230,197,.14);
  border-color:rgba(46,230,197,.5);
}
.faq__panel{
  max-height:0;
  overflow:hidden;
  transition:max-height .34s ease;
}
.faq__panel p{
  padding:0 22px 21px;
  font-size:15px;
  line-height:1.8;
  color:var(--t2);
  margin:0;
}
/* ---------- next step bar ---------- */
.next-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  flex-wrap:wrap;
  background:linear-gradient(120deg,rgba(46,230,197,.10),rgba(110,139,255,.08));
  border:1px solid rgba(46,230,197,.24);
  border-radius:var(--r-lg);
  padding:26px 28px;
}
.next-bar h3{font-size:18px;margin-bottom:6px;}
.next-bar p{font-size:14px;color:var(--t3);line-height:1.7;max-width:520px;}
.next-bar__actions{display:flex;gap:12px;flex-wrap:wrap;}
.next-links{display:flex;gap:18px;flex-wrap:wrap;margin-top:14px;}
/* ---------- cta band ---------- */
.cta-band{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  border:1px solid var(--line-strong);
  padding:clamp(38px,5vw,64px);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(6,10,17,.94) 12%,rgba(6,10,17,.78) 58%,rgba(6,10,17,.62) 100%);
}
.cta-band__inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;}
.cta-band h2{max-width:620px;margin-bottom:12px;}
.cta-band p{font-size:15px;color:var(--t2);max-width:560px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}
/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 30px;
  margin-top:var(--sp-section);
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:38px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--t3);max-width:320px;}
.footer-domain{
  display:inline-block;
  margin-top:14px;
  font-size:13px;
  letter-spacing:.1em;
  color:var(--t3);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:4px 14px;
}
.footer-title{
  font-size:14px;
  color:var(--t1);
  letter-spacing:.06em;
  margin-bottom:16px;
  font-weight:600;
}
.footer-links li,.footer-contact li{margin-bottom:11px;font-size:13px;}
.footer-links a{color:var(--t3);}
.footer-links a:hover{color:var(--t1);}
.footer-contact li{color:var(--t3);display:flex;gap:9px;align-items:flex-start;font-size:13px;line-height:1.7;}
.footer-contact i{color:var(--brand);font-size:12px;margin-top:5px;}
.footer-note{
  font-size:12.5px;
  line-height:1.75;
  color:var(--t3);
  margin-top:16px;
  padding-top:14px;
  border-top:1px dashed var(--line);
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  font-size:13px;
  color:var(--t3);
}
.footer-bottom p{font-size:13px;color:var(--t3);}
/* ---------- mobile tab ---------- */
.mobile-tab{
  display:none;
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:90;
  background:rgba(8,13,20,.96);
  border-top:1px solid var(--line-strong);
  backdrop-filter:blur(16px);
  padding:8px 6px calc(8px + env(safe-area-inset-bottom));
  box-shadow:0 -12px 34px rgba(0,0,0,.5);
}
.mobile-tab__inner{display:flex;align-items:stretch;justify-content:space-around;}
.mobile-tab__item{
  flex:1 1 0;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:5px;
  padding:6px 2px 4px;
  font-size:11px;
  color:var(--t3);
  border-radius:10px;
  transition:color .22s ease,background .22s ease;
}
.mobile-tab__item i{font-size:16px;}
.mobile-tab__item.is-active{
  color:var(--brand);
  background:rgba(46,230,197,.09);
  box-shadow:inset 0 6px 0 -4px var(--brand);
}
.mobile-tab__item:hover{color:var(--t1);}
/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s ease,transform .42s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  .btn,.check-card,.contrast-card,.record-card,.faq__icon{transition:none;}
  .check-card:hover,.contrast-card:hover,.record-card:hover,.btn:hover{transform:none;}
}
/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav{display:none;}
  .nav__cta{display:none;}
  .mobile-tab{display:block;}
  body{padding-bottom:82px;}
  .header-inner{height:66px;justify-content:space-between;}
  .record-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .hero-figure{margin-top:34px;}
  .timeline-box{margin-bottom:28px;}
  .next-bar{padding:22px;}
}
@media (max-width:768px){
  .contrast{grid-template-columns:1fr;}
  .cta-band__inner{flex-direction:column;align-items:flex-start;}
  .section{padding:56px 0;}
  .hero-lead{font-size:16px;}
  .glass-note{padding:14px;gap:12px;}
}
@media (max-width:640px){
  body{font-size:15px;}
  .container{padding:0 18px;}
  h1{font-size:clamp(26px,8vw,34px);}
  h2{font-size:clamp(21px,6vw,26px);}
  .record-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .hero-actions .btn{width:100%;}
  .cat-tabs{gap:8px;}
  .cat-tab{font-size:13px;padding:8px 14px;}
  .check-card{padding:20px 18px;}
  .contrast-card,.record-card{padding:20px 18px;}
  .faq__btn{padding:16px 16px;font-size:15px;}
  .faq__panel p{padding:0 16px 18px;}
  .next-bar__actions .btn,.cta-band__actions .btn{width:100%;}
  .timeline-box{padding:20px 18px;}
}