/* roulang page: index */
:root{
  --brand-900:#08231F;
  --brand-700:#0E4E42;
  --brand-500:#17876F;
  --brand-300:#4FBF9E;
  --lime:#B9E937;
  --coral:#FF6B3D;
  --bg-page:#F6F4EE;
  --bg-deep:#08231F;
  --surface:#FFFFFF;
  --surface-alt:#F0EDE4;
  --text-strong:#13211D;
  --text-body:#44534E;
  --text-muted:#8B9793;
  --line:#E4E0D6;
  --line-soft:#EFEBE1;
  --grad-brand:linear-gradient(135deg,#08231F 0%,#0E4E42 52%,#17876F 100%);
  --grad-hot:linear-gradient(90deg,#B9E937,#FF6B3D);
  --r-lg:24px;
  --r-md:18px;
  --r-btn:14px;
  --r-input:12px;
  --r-img:16px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(8,35,31,.06);
  --sh-2:0 10px 28px rgba(8,35,31,.10);
  --sh-3:0 22px 48px rgba(8,35,31,.16);
  --w-1:8px;
  --w-2:16px;
  --w-3:24px;
  --w-4:32px;
  --w-5:48px;
  --w-6:64px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-body);
  background:var(--bg-page);
  font-weight:400;
}
h1,h2,h3,h4{color:var(--text-strong);margin:0;font-weight:700;line-height:1.3;}
p{margin:0 0 16px;}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-700);}
img{max-width:100%;display:block;}
button,input,select,textarea{font-family:inherit;font-size:16px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部工具条 ============ */
.topline{
  background:var(--brand-900);
  color:rgba(255,255,255,.72);
  font-size:14px;
  line-height:36px;
  height:36px;
}
.topline .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topline-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topline-links{display:flex;gap:20px;flex-shrink:0;}
.topline-links a{color:rgba(255,255,255,.72);font-size:14px;}
.topline-links a:hover{color:var(--lime);}

/* ============ 页头 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  color:var(--lime);font-weight:700;font-size:18px;
  box-shadow:var(--sh-1);
}
.logo-text{font-size:19px;font-weight:700;color:var(--text-strong);letter-spacing:.5px;white-space:nowrap;}
.logo-text span{color:var(--brand-500);}
.main-nav{flex:1;min-width:0;}
.chip-row{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  padding:4px 0;
}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 18px;
  border-radius:var(--r-pill);
  background:var(--surface-alt);
  color:var(--text-body);
  font-size:15px;
  font-weight:500;
  white-space:nowrap;
  position:relative;
  border:1px solid transparent;
  transition:all .2s ease;
}
.chip:hover{background:#E7E3D8;color:var(--text-strong);}
.chip.is-active{
  background:var(--brand-700);
  color:#fff;
  font-weight:600;
}
.chip.is-active::after{
  content:"";
  position:absolute;
  left:50%;bottom:-6px;
  transform:translateX(-50%);
  width:26px;height:2px;border-radius:2px;
  background:var(--lime);
}
.header-cta{
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 24px;
  border-radius:var(--r-btn);
  background:var(--grad-brand);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.header-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.08);}
.header-cta:active{transform:translateY(0);}
.burger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--surface);
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
  cursor:pointer;
}
.burger i{display:block;width:18px;height:2px;background:var(--text-strong);border-radius:2px;}

/* 抽屉 */
.drawer{
  position:fixed;
  inset:0 0 0 auto;
  width:82%;
  max-width:340px;
  background:var(--surface);
  box-shadow:var(--sh-3);
  transform:translateX(105%);
  transition:transform .28s ease;
  z-index:90;
  display:flex;
  flex-direction:column;
  padding:24px 20px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface-alt);color:var(--text-strong);font-size:18px;cursor:pointer;line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;gap:8px;flex:1;}
.drawer-nav a{
  display:block;
  padding:14px 16px;
  border-radius:var(--r-btn);
  background:var(--surface-alt);
  color:var(--text-strong);
  font-size:16px;
  font-weight:500;
}
.drawer-nav a.is-active{background:var(--brand-700);color:#fff;}
.drawer-cta{
  margin-top:20px;
  display:flex;align-items:center;justify-content:center;
  min-height:48px;border-radius:var(--r-btn);
  background:var(--grad-brand);color:#fff;font-weight:600;
}
.drawer-cta:hover{color:#fff;}
.mask{
  position:fixed;inset:0;background:rgba(8,35,31,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:80;
}
.mask.is-open{opacity:1;visibility:visible;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;
  border-radius:var(--r-btn);
  font-size:16px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.08);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--brand-500);}
.btn-ghost:hover{background:rgba(23,135,111,.08);color:var(--brand-700);border-color:var(--brand-700);}
.btn-lime{background:var(--lime);color:#0B2A23;}
.btn-lime:hover{color:#0B2A23;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-sm{min-height:44px;padding:0 20px;font-size:15px;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-sm{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-alt{background:var(--surface);}
.section-deep{background:var(--bg-deep);color:rgba(255,255,255,.8);}
.section-deep h2,.section-deep h3{color:#fff;}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--brand-500);
  background:rgba(23,135,111,.10);
  padding:6px 14px;border-radius:var(--r-pill);
  margin-bottom:16px;
}
.section-deep .eyebrow{background:rgba(185,233,55,.14);color:var(--lime);}
.section-title{font-size:30px;line-height:1.35;margin-bottom:14px;}
.section-sub{font-size:16px;color:var(--text-body);margin:0;}
.section-deep .section-sub{color:rgba(255,255,255,.7);}

/* ============ Hero ============ */
.hero-wrap{padding:40px 0 0;background:var(--bg-page);}
.hero{
  position:relative;
  border-radius:var(--r-lg);
  background:var(--grad-brand);
  overflow:hidden;
  box-shadow:var(--sh-3);
}
.hero::after{
  content:"";
  position:absolute;
  right:-120px;bottom:-160px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(185,233,55,.18) 0%,rgba(185,233,55,0) 68%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:40px;
  align-items:center;
  padding:56px;
  min-height:600px;
}
.hero-brand{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--lime);
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  padding:6px 14px;border-radius:var(--r-pill);
  margin-bottom:20px;
}
.hero h1{
  color:#fff;
  font-size:44px;
  line-height:1.25;
  letter-spacing:-.5px;
  margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero-lead{
  font-size:17px;
  font-weight:500;
  color:rgba(255,255,255,.82);
  line-height:1.7;
  margin-bottom:28px;
  max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.badge{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-md);
  padding:12px 18px;
  min-width:132px;
}
.badge b{
  display:block;
  font-size:32px;
  line-height:1.1;
  font-weight:700;
  color:var(--lime);
  font-variant-numeric:tabular-nums;
}
.badge span{font-size:12px;color:rgba(255,255,255,.66);display:block;margin-top:4px;}
.hero-visual{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  height:440px;
  border:1px solid rgba(255,255,255,.16);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,35,31,.05) 0%,rgba(8,35,31,.45) 100%);
}
.hero-float{
  position:absolute;
  left:20px;bottom:20px;right:20px;
  z-index:3;
  background:rgba(8,35,31,.72);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);
  padding:16px 18px;
  backdrop-filter:blur(6px);
}
.hero-float strong{display:block;color:#fff;font-size:16px;margin-bottom:4px;}
.hero-float span{font-size:13px;color:rgba(255,255,255,.7);}
.hero-lightbar{
  height:6px;
  background:var(--grad-hot);
  margin-top:-6px;
  border-radius:0 0 var(--r-lg) var(--r-lg);
  position:relative;
  z-index:3;
}

/* ============ 优惠阶梯 ============ */
.tier-track{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.tier-track::before{
  content:"";
  position:absolute;
  left:2%;right:2%;top:22px;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px);
}
.tier{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 24px 24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  margin-top:0;
}
.tier:nth-child(1){margin-top:0;}
.tier:nth-child(2){margin-top:20px;}
.tier:nth-child(3){margin-top:40px;}
.tier:nth-child(4){margin-top:60px;}
.tier:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.tier.is-hot{
  border:2px solid var(--brand-500);
  box-shadow:var(--sh-3);
}
.tier-num{
  width:40px;height:40px;border-radius:50%;
  border:2px solid var(--brand-500);
  background:#fff;
  color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;
  position:relative;z-index:2;
  font-variant-numeric:tabular-nums;
}
.tier h3{font-size:20px;margin:18px 0 6px;}
.tier-threshold{
  font-size:13px;color:var(--text-muted);margin-bottom:14px;
  display:block;
}
.tier ul{display:flex;flex-direction:column;gap:10px;margin-bottom:20px;}
.tier li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  line-height:1.6;
  color:var(--text-body);
}
.tier li::before{
  content:"";
  position:absolute;left:0;top:8px;
  width:14px;height:8px;
  border-left:2px solid var(--brand-500);
  border-bottom:2px solid var(--brand-500);
  transform:rotate(-45deg);
}
.ribbon{
  position:absolute;
  top:-12px;right:20px;
  background:var(--coral);
  color:#fff;
  font-size:12px;
  font-weight:600;
  padding:4px 12px;
  border-radius:var(--r-pill);
  box-shadow:0 6px 16px rgba(255,107,61,.35);
}
.tier-price{
  font-size:26px;font-weight:700;color:var(--brand-700);
  font-variant-numeric:tabular-nums;
  border-top:1px solid var(--line-soft);
  padding-top:16px;
}
.tier-price small{font-size:13px;font-weight:400;color:var(--text-muted);}

/* ============ 套餐对比 ============ */
.plan-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:start;
}
.plan{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
  position:relative;
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.plan.is-reco{
  border:2px solid var(--brand-500);
  margin-top:-8px;
  box-shadow:var(--sh-3);
}
.plan.is-reco:hover{transform:translateY(-12px);}
.plan-tag{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--coral);color:#fff;font-size:12px;font-weight:600;
  padding:4px 14px;border-radius:var(--r-pill);
}
.plan h3{font-size:20px;margin-bottom:6px;}
.plan-desc{font-size:13px;color:var(--text-muted);margin-bottom:18px;}
.plan-price{
  font-size:36px;font-weight:700;color:var(--brand-700);
  font-variant-numeric:tabular-nums;
  line-height:1.1;margin-bottom:4px;
}
.plan-price span{font-size:14px;font-weight:400;color:var(--text-muted);}
.plan-rows{margin:20px 0 24px;border-top:1px solid var(--line-soft);}
.plan-row{
  display:flex;justify-content:space-between;gap:12px;
  padding:12px 0;
  border-bottom:1px solid var(--line-soft);
  font-size:15px;
}
.plan-row dt{color:var(--text-muted);margin:0;flex-shrink:0;}
.plan-row dd{margin:0;color:var(--text-strong);font-weight:600;text-align:right;}
.plan:not(.is-reco){opacity:.94;}
.plan-foot{font-size:13px;color:var(--text-muted);margin:0;}
.compare-note{font-size:13px;color:var(--text-muted);margin-top:24px;line-height:1.8;}

/* ============ 资讯列表 ============ */
.news-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:32px;flex-wrap:wrap;
}
.news-head .section-title{margin-bottom:8px;}
.more-link{font-size:15px;font-weight:600;color:var(--brand-500);white-space:nowrap;}
.more-link:hover{color:var(--brand-700);}
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-lead{
  grid-column:1/-1;
  display:grid;
  grid-template-columns:1.1fr 1fr;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.news-lead:hover,.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.news-lead-thumb{position:relative;overflow:hidden;min-height:300px;}
.news-lead-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.news-lead:hover .news-lead-thumb img{transform:scale(1.03);}
.news-lead-body{padding:32px;display:flex;flex-direction:column;justify-content:center;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.news-card-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;}
.news-card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.news-card:hover .news-card-thumb img{transform:scale(1.03);}
.news-card-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.news-chip{
  display:inline-flex;
  align-self:flex-start;
  font-size:12px;font-weight:600;
  color:var(--brand-700);
  background:rgba(23,135,111,.10);
  padding:4px 12px;border-radius:var(--r-pill);
  margin-bottom:12px;
}
.news-chip.on-thumb{
  position:absolute;top:14px;left:14px;z-index:2;margin:0;
  background:rgba(255,255,255,.92);
}
.news-title{
  font-size:19px;font-weight:700;color:var(--text-strong);
  line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-lead .news-title{font-size:26px;line-height:1.4;}
.news-excerpt{
  font-size:15px;color:var(--text-body);line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-lead .news-excerpt{-webkit-line-clamp:4;}
.news-foot{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-muted);
  border-top:1px solid var(--line-soft);
  padding-top:14px;
}
.news-foot .arrow{transition:transform .2s ease;color:var(--brand-500);font-weight:700;}
.news-card:hover .news-foot .arrow,.news-lead:hover .news-foot .arrow{transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  padding:64px 24px;
  text-align:center;
}
.empty-state .empty-icon{
  width:64px;height:64px;border-radius:20px;
  background:var(--surface-alt);
  margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  font-size:26px;color:var(--brand-300);
}
.empty-state p{font-size:15px;color:var(--text-muted);margin-bottom:18px;}

/* ============ 限时条带 ============ */
.hot-band{
  border-radius:var(--r-lg);
  background:var(--grad-brand);
  position:relative;
  overflow:hidden;
  padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-3);
}
.hot-band::before{
  content:"";
  position:absolute;left:0;top:0;bottom:0;width:6px;
  background:var(--grad-hot);
}
.hot-band::after{
  content:"";
  position:absolute;right:-100px;top:-120px;
  width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,61,.20) 0%,rgba(255,107,61,0) 70%);
}
.hot-body{position:relative;z-index:2;}
.hot-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,107,61,.18);
  border:1px solid rgba(255,107,61,.5);
  color:#FFD9CC;
  font-size:13px;font-weight:600;
  padding:4px 14px;border-radius:var(--r-pill);
  margin-bottom:14px;
}
.hot-band h3{font-size:26px;color:#fff;margin-bottom:10px;}
.hot-band p{color:rgba(255,255,255,.72);font-size:15px;margin:0;max-width:560px;}
.countdown{display:flex;gap:10px;margin-top:20px;}
.countdown span{
  min-width:56px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-input);
  padding:8px 10px;
  text-align:center;
  color:#fff;
  font-size:20px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.countdown span i{display:block;font-size:11px;font-weight:400;font-style:normal;color:rgba(255,255,255,.6);}
.hot-cta{position:relative;z-index:2;flex-shrink:0;}

/* ============ 流程步骤 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flow-item{position:relative;padding-top:34px;}
.flow-item::before{
  content:"";
  position:absolute;top:12px;left:0;width:100%;height:2px;
  background:var(--line);
}
.flow-item:last-child::before{width:0;}
.flow-item::after{
  content:"";
  position:absolute;top:6px;left:0;
  width:14px;height:14px;border-radius:50%;
  background:var(--brand-500);
  border:3px solid var(--surface);
  box-shadow:0 0 0 2px var(--brand-500);
}
.flow-num{
  font-size:32px;font-weight:700;color:var(--lime);
  -webkit-text-stroke:1px var(--brand-700);
  font-variant-numeric:tabular-nums;
  line-height:1;margin-bottom:12px;
}
.flow-item h3{font-size:18px;margin-bottom:8px;}
.flow-item p{font-size:15px;color:var(--text-body);margin:0;}

/* ============ 信任区块 ============ */
.trust-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:center;
}
.trust-visual{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:4/3;
}
.trust-visual img{width:100%;height:100%;object-fit:cover;}
.trust-list{display:flex;flex-direction:column;gap:20px;margin-top:28px;}
.trust-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.trust-item:hover{transform:translateX(4px);box-shadow:var(--sh-2);}
.trust-item .ti-num{
  width:36px;height:36px;border-radius:12px;
  background:var(--grad-brand);color:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:14px;flex-shrink:0;
  font-variant-numeric:tabular-nums;
}
.trust-item h3{font-size:17px;margin-bottom:4px;}
.trust-item p{font-size:14px;margin:0;color:var(--text-body);}

/* ============ FAQ ============ */
.faq-box{
  background:var(--surface);
  border-radius:var(--r-md);
  border:1px solid var(--line);
  overflow:hidden;
  max-width:900px;
  margin:0 auto;
}
.faq-item + .faq-item{border-top:1px solid var(--line-soft);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;
  background:transparent;border:0;
  text-align:left;
  font-size:17px;font-weight:600;color:var(--text-strong);
  cursor:pointer;
  min-height:44px;
}
.faq-q:hover{background:var(--surface-alt);}
.faq-icon{
  width:26px;height:26px;flex-shrink:0;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-500);font-size:16px;line-height:1;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(90deg);background:var(--brand-500);color:#fff;border-color:var(--brand-500);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-body);
}
.faq-item.is-open .faq-a{max-height:420px;}

/* ============ 表单 ============ */
.contact-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:start;
}
.contact-info h2{font-size:30px;margin-bottom:16px;}
.contact-info p{font-size:16px;color:var(--text-body);}
.contact-points{display:flex;flex-direction:column;gap:14px;margin-top:24px;}
.contact-points li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;
}
.contact-points li::before{
  content:"";
  width:8px;height:8px;border-radius:50%;
  background:var(--lime);
  margin-top:9px;flex-shrink:0;
  box-shadow:0 0 0 4px rgba(185,233,55,.22);
}
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--sh-2);
}
.form-row{margin-bottom:20px;}
.form-row label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--text-strong);
  margin-bottom:8px;
}
.form-row label .req{color:var(--coral);margin-left:2px;}
.form-row input,
.form-row select,
.form-row textarea{
  width:100%;
  min-height:48px;
  padding:12px 16px;
  border-radius:var(--r-input);
  border:1px solid var(--line);
  background:var(--surface-alt);
  color:var(--text-strong);
  line-height:1.5;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  appearance:none;
}
.form-row textarea{min-height:110px;resize:vertical;}
.form-row select{
  background-image:linear-gradient(45deg,transparent 50%,var(--text-muted) 50%),linear-gradient(135deg,var(--text-muted) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus{
  outline:none;
  background:#fff;
  border-color:var(--brand-500);
  box-shadow:0 0 0 4px rgba(23,135,111,.14);
}
.form-row.has-error input,
.form-row.has-error select,
.form-row.has-error textarea{
  border-color:var(--coral);
  box-shadow:0 0 0 4px rgba(255,107,61,.12);
}
.err-text{display:none;font-size:12px;color:var(--coral);margin-top:6px;}
.form-row.has-error .err-text{display:block;}
.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.form-submit{
  width:100%;min-height:52px;border:0;border-radius:var(--r-btn);
  background:var(--grad-brand);color:#fff;
  font-size:16px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.form-submit:hover{transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.08);}
.form-submit:active{transform:translateY(0);}
.form-note{font-size:12px;color:var(--text-muted);margin:14px 0 0;line-height:1.7;}
.form-success{
  display:none;
  background:rgba(23,135,111,.10);
  border:1px solid rgba(23,135,111,.35);
  color:var(--brand-700);
  border-radius:var(--r-input);
  padding:14px 18px;
  font-size:14px;
  margin-bottom:20px;
}
.form-success.is-show{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-deep);color:rgba(255,255,255,.7);padding:72px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo-mark{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:0;max-width:320px;}
.footer-col h4{
  font-size:15px;color:var(--lime);margin-bottom:18px;font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-col li span{font-size:14px;color:rgba(255,255,255,.7);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(255,255,255,.5);
  flex-wrap:wrap;
}
.footer-bottom a{color:rgba(255,255,255,.5);}
.footer-bottom a:hover{color:#fff;}

/* ============ 返回顶部 ============ */
.back-top{
  position:fixed;right:24px;bottom:28px;
  width:46px;height:46px;border-radius:50%;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  border:0;cursor:pointer;font-size:18px;
  box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .25s ease;z-index:70;
}
.back-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{filter:brightness(1.1);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;padding:40px;min-height:auto;gap:32px;}
  .hero-visual{height:340px;}
  .tier-track{grid-template-columns:repeat(2,1fr);}
  .tier:nth-child(3),.tier:nth-child(4){margin-top:0;}
  .tier-track::before{display:none;}
  .plan-grid{grid-template-columns:repeat(2,1fr);}
  .plan.is-reco{margin-top:0;}
  .news-list{grid-template-columns:repeat(2,1fr);}
  .news-lead{grid-template-columns:1fr;}
  .news-lead-thumb{min-height:240px;}
  .flow{grid-template-columns:repeat(2,1fr);gap:32px;}
  .flow-item::before{display:none;}
  .trust-grid,.contact-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .header-cta{display:none;}
  .burger{display:flex;}
  .header-inner{justify-content:space-between;}
}
@media (max-width:768px){
  .container{padding-left:20px;padding-right:20px;}
  .section{padding:72px 0;}
  .section-sm{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .hero h1{font-size:32px;}
  .hero-inner{padding:28px 20px;}
  .hero-visual{height:270px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .badge{min-width:calc(50% - 6px);flex:1;}
  .badge b{font-size:26px;}
  .section-title{font-size:24px;}
  .hot-band{flex-direction:column;align-items:flex-start;padding:28px 24px;}
  .hot-band h3{font-size:22px;}
  .hot-cta,.hot-cta .btn{width:100%;}
  .tier-track,.plan-grid,.news-list,.flow{grid-template-columns:1fr;}
  .form-grid-2{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .topline-links a:nth-child(n+3){display:none;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .hero h1{font-size:28px;}
  .hero-lead{font-size:15px;}
  .logo-text{font-size:16px;}
  .plan-price{font-size:30px;}
  .news-lead .news-title{font-size:21px;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a-inner{padding:0 18px 20px;}
  .form-card{padding:22px 18px;}
  .back-top{right:16px;bottom:16px;width:44px;height:44px;}
  .countdown span{min-width:48px;font-size:17px;}
}

/* roulang page: article */
:root{
  --brand-900:#08231F;
  --brand-700:#0E4E42;
  --brand-500:#17876F;
  --brand-300:#4FBF9E;
  --accent-lime:#B9E937;
  --accent-coral:#FF6B3D;
  --bg-page:#F6F4EE;
  --bg-deep:#08231F;
  --surface:#FFFFFF;
  --surface-alt:#F0EDE4;
  --text-strong:#13211D;
  --text-body:#44534E;
  --text-muted:#8B9793;
  --line:#E4E0D6;
  --line-soft:#EFEBE1;
  --grad-brand:linear-gradient(135deg,#08231F 0%,#0E4E42 52%,#17876F 100%);
  --grad-accent:linear-gradient(90deg,#B9E937,#FF6B3D);
  --r-lg:24px;
  --r-md:18px;
  --r-btn:14px;
  --r-inp:12px;
  --r-pill:999px;
  --r-img:16px;
  --sh-1:0 2px 8px rgba(8,35,31,.06);
  --sh-2:0 10px 28px rgba(8,35,31,.10);
  --sh-3:0 22px 48px rgba(8,35,31,.16);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-body);
  background:var(--bg-page);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand-500);
  outline-offset:2px;
}
h1,h2,h3,h4{margin:0;color:var(--text-strong);font-weight:700;line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
/* ---------- 顶部工具条 ---------- */
.topbar{
  background:var(--brand-900);
  color:rgba(255,255,255,.78);
  font-size:13.5px;
  line-height:36px;
  height:36px;
  overflow:hidden;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-inner > span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-links{display:flex;align-items:center;gap:20px;flex-shrink:0;}
.topbar-links a{color:rgba(255,255,255,.78);font-size:13.5px;}
.topbar-links a:hover{color:var(--accent-lime);}
/* ---------- 页头 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:76px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:40px;
  height:40px;
  border-radius:12px;
  background:var(--grad-brand);
  color:var(--accent-lime);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:19px;
  font-weight:700;
  box-shadow:var(--sh-1);
}
.logo-text{
  font-size:19px;
  font-weight:700;
  color:var(--text-strong);
  letter-spacing:.5px;
}
.logo-text span{color:var(--brand-500);}
.main-nav{flex:1 1 auto;min-width:0;}
.chip-row{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding:4px 0;
}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 18px;
  border-radius:var(--r-pill);
  background:var(--surface-alt);
  color:var(--text-body);
  font-size:14.5px;
  font-weight:500;
  border:1px solid transparent;
  position:relative;
  white-space:nowrap;
}
.chip:hover{background:#E7E2D6;color:var(--brand-700);}
.chip.is-active{
  background:var(--brand-700);
  color:#fff;
}
.chip.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-7px;
  transform:translateX(-50%);
  width:26px;
  height:2px;
  border-radius:2px;
  background:var(--accent-lime);
}
.header-cta{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--r-btn);
  background:var(--grad-brand);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:var(--sh-1);
}
.header-cta:hover{transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff;}
.header-cta:active{transform:translateY(0);}
.burger{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  padding:0;
  position:relative;
}
.burger i{
  position:absolute;
  left:12px;
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--brand-700);
  transition:transform .2s ease,opacity .2s ease;
}
.burger i:nth-child(1){top:15px;}
.burger i:nth-child(2){top:21px;}
.burger i:nth-child(3){top:27px;}
.burger.is-open i:nth-child(1){transform:translateY(6px) rotate(45deg);}
.burger.is-open i:nth-child(2){opacity:0;}
.burger.is-open i:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line-soft);}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--text-muted);
  padding:16px 0;
}
.crumb a{color:var(--text-muted);}
.crumb a:hover{color:var(--brand-500);}
.crumb .sep{color:var(--line);}
.crumb .current{
  color:var(--text-strong);
  max-width:60%;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
/* ---------- 文章主体 ---------- */
.article-wrap{background:var(--surface);padding:48px 0 72px;}
.article-shell{max-width:760px;margin:0 auto;padding:0 24px;}
.article-head{margin-bottom:32px;}
.head-chip{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(23,135,111,.10);
  color:var(--brand-700);
  font-size:13px;
  font-weight:600;
  margin-bottom:18px;
}
.article-head h1{
  font-size:38px;
  line-height:1.32;
  letter-spacing:-.3px;
  margin-bottom:18px;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  font-size:13.5px;
  color:var(--text-muted);
  padding-bottom:20px;
  border-bottom:1px solid var(--line-soft);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.meta-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--surface-alt);
  color:var(--brand-700);
  font-size:13px;
  font-weight:500;
}
/* ---------- 正文排版 ---------- */
.article-body{
  font-size:16px;
  line-height:1.92;
  color:var(--text-body);
}
.article-body > * + *{margin-top:20px;}
.article-body p{margin:0 0 20px;font-size:16px;line-height:1.92;}
.article-body h2{
  font-size:26px;
  line-height:1.4;
  margin:40px 0 18px;
  padding-left:16px;
  position:relative;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:4px;
  border-radius:4px;
  background:var(--grad-accent);
}
.article-body h3{
  font-size:19px;
  line-height:1.5;
  margin:32px 0 14px;
  color:var(--brand-700);
}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0;}
.article-body ul li,.article-body ol li{
  position:relative;
  padding-left:26px;
  margin-bottom:12px;
  line-height:1.85;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:6px;
  top:12px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--brand-500);
}
.article-body ol{counter-reset:li;}
.article-body ol li::before{
  counter-increment:li;
  content:counter(li);
  position:absolute;
  left:0;
  top:4px;
  width:20px;
  height:20px;
  border-radius:50%;
  background:rgba(23,135,111,.12);
  color:var(--brand-700);
  font-size:12px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  line-height:1;
}
.article-body blockquote{
  margin:24px 0;
  padding:16px 22px;
  border-left:4px solid var(--brand-500);
  background:var(--surface-alt);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--text-strong);
  font-size:15.5px;
  line-height:1.85;
}
.article-body img{
  border-radius:var(--r-img);
  margin:24px 0 8px;
  box-shadow:var(--sh-1);
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--text-muted);
  text-align:center;
  margin-top:8px;
}
.article-body .table-scroll{
  width:100%;
  overflow-x:auto;
  margin:24px 0;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--surface);
}
.article-body table{
  width:100%;
  min-width:520px;
  border-collapse:collapse;
  font-size:14.5px;
}
.article-body thead th{
  background:var(--surface-alt);
  color:var(--text-strong);
  font-weight:600;
  text-align:left;
  padding:12px 16px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.article-body tbody td{
  padding:12px 16px;
  border-bottom:1px solid var(--line-soft);
  color:var(--text-body);
}
.article-body tbody tr:last-child td{border-bottom:none;}
.article-body code{
  background:var(--surface-alt);
  border-radius:8px;
  padding:2px 6px;
  font-size:14px;
  color:var(--brand-700);
}
.article-body pre{
  background:var(--surface-alt);
  border:1px solid var(--line-soft);
  border-radius:var(--r-md);
  padding:18px 20px;
  overflow-x:auto;
  margin:24px 0;
  font-size:14px;
  line-height:1.7;
}
.article-body pre code{background:none;padding:0;color:var(--text-body);}
.article-body a{
  color:var(--brand-500);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-body a:hover{color:var(--brand-700);}
.article-body hr{
  border:none;
  height:1px;
  background:var(--line);
  margin:36px 0;
}
/* ---------- 空态 ---------- */
.article-empty{
  text-align:center;
  padding:56px 24px;
  background:var(--surface-alt);
  border-radius:var(--r-lg);
  border:1px dashed var(--line);
}
.article-empty .empty-mark{
  width:64px;
  height:64px;
  margin:0 auto 20px;
  border-radius:var(--r-md);
  background:var(--grad-brand);
  color:var(--accent-lime);
  font-size:26px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
}
.article-empty h2{font-size:22px;margin-bottom:10px;}
.article-empty p{font-size:15px;color:var(--text-muted);margin-bottom:24px;}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 28px;
  border-radius:var(--r-btn);
  font-size:15.5px;
  font-weight:600;
  border:1px solid transparent;
  transition:all .2s ease;
}
.btn-primary{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:var(--sh-1);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:var(--surface);
  color:var(--brand-700);
  border-color:var(--brand-300);
}
.btn-ghost:hover{background:rgba(23,135,111,.08);border-color:var(--brand-500);color:var(--brand-700);}
/* ---------- 相关推荐 ---------- */
.related-section{
  background:var(--bg-page);
  padding:72px 0;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-head h2{font-size:26px;line-height:1.4;}
.section-head p{font-size:14px;color:var(--text-muted);margin-top:6px;}
.section-head .more{
  font-size:14.5px;
  font-weight:600;
  color:var(--brand-500);
  white-space:nowrap;
}
.section-head .more:hover{color:var(--brand-700);}
.related-list{display:grid;gap:16px;}
.related-item{
  display:flex;
  align-items:center;
  gap:20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:16px 20px;
  transition:all .2s ease;
}
.related-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:var(--brand-300);
}
.related-item .thumb{
  flex:0 0 132px;
  width:132px;
  height:82px;
  border-radius:var(--r-img);
  overflow:hidden;
}
.related-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.related-item:hover .thumb img{transform:scale(1.05);}
.related-item .info{flex:1 1 auto;min-width:0;}
.related-item .info .tag{
  display:inline-block;
  font-size:12.5px;
  color:var(--brand-700);
  background:rgba(23,135,111,.10);
  border-radius:var(--r-pill);
  padding:2px 10px;
  margin-bottom:8px;
}
.related-item .info h3{
  font-size:16.5px;
  line-height:1.5;
  margin-bottom:6px;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-item .info p{
  font-size:13.5px;
  color:var(--text-muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-item .arrow{
  flex:0 0 auto;
  width:36px;
  height:36px;
  border-radius:50%;
  background:var(--surface-alt);
  color:var(--brand-700);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  transition:transform .2s ease,background .2s ease;
}
.related-item:hover .arrow{transform:translateX(4px);background:var(--brand-500);color:#fff;}
.back-row{margin-top:28px;text-align:center;}
/* ---------- 咨询 CTA ---------- */
.consult-section{background:var(--bg-deep);padding:72px 0;position:relative;overflow:hidden;}
.consult-section::after{
  content:"";
  position:absolute;
  right:-120px;
  bottom:-160px;
  width:460px;
  height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(185,233,55,.18) 0%,rgba(185,233,55,0) 68%);
  pointer-events:none;
}
.consult-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:start;
  position:relative;
  z-index:2;
}
.consult-intro h2{
  color:#fff;
  font-size:30px;
  line-height:1.4;
  margin-bottom:16px;
}
.consult-intro > p{
  color:rgba(255,255,255,.72);
  font-size:15.5px;
  line-height:1.85;
  margin-bottom:26px;
}
.intro-points{display:grid;gap:14px;}
.intro-points li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  color:rgba(255,255,255,.86);
  font-size:15px;
}
.intro-points li .tick{
  flex:0 0 auto;
  width:22px;
  height:22px;
  margin-top:2px;
  border-radius:50%;
  background:rgba(185,233,55,.16);
  color:var(--accent-lime);
  font-size:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
}
.consult-form{
  background:var(--surface);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--sh-3);
}
.form-row{margin-bottom:18px;}
.form-row label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--text-strong);
  margin-bottom:8px;
}
.form-row label .req{color:var(--accent-coral);margin-left:4px;}
.form-row input,
.form-row select,
.form-row textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  font-size:15px;
  font-family:inherit;
  color:var(--text-strong);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-inp);
  transition:border-color .2s ease,box-shadow .2s ease;
  appearance:none;
}
.form-row textarea{min-height:96px;resize:vertical;line-height:1.7;}
.form-row select{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath fill='%2317876F' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 16px center;
  background-size:12px 8px;
  padding-right:40px;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus{
  outline:none;
  border-color:var(--brand-500);
  box-shadow:0 0 0 4px rgba(23,135,111,.14);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-submit{
  width:100%;
  min-height:52px;
  border:none;
  border-radius:var(--r-btn);
  background:var(--grad-brand);
  color:#fff;
  font-size:16px;
  font-weight:600;
  letter-spacing:.5px;
  transition:all .2s ease;
}
.form-submit:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.form-submit:active{transform:translateY(0);}
.form-note{
  font-size:12px;
  color:var(--text-muted);
  margin-top:14px;
  line-height:1.7;
}
/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.7);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .logo-mark{margin-bottom:16px;}
.footer-brand .logo-text{display:block;color:#fff;margin-bottom:14px;}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
  max-width:320px;
}
.footer-col h4{
  font-size:15px;
  color:var(--accent-lime);
  margin-bottom:18px;
  font-weight:600;
}
.footer-col ul{display:grid;gap:12px;}
.footer-col li a,.footer-col li span{
  font-size:14px;
  color:rgba(255,255,255,.7);
  line-height:1.6;
}
.footer-col li a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;
  bottom:28px;
  width:46px;
  height:46px;
  border-radius:50%;
  border:none;
  background:var(--grad-brand);
  color:#fff;
  font-size:17px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:var(--sh-2);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:all .25s ease;
  z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{box-shadow:var(--sh-3);}
/* ---------- 响应式 ---------- */
@media (max-width:991px){
  .header-inner{gap:16px;}
  .main-nav{
    position:fixed;
    top:0;
    right:0;
    width:290px;
    max-width:86vw;
    height:100vh;
    background:var(--surface);
    box-shadow:var(--sh-3);
    padding:96px 24px 24px;
    transform:translateX(105%);
    transition:transform .28s ease;
    z-index:80;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .chip-row{flex-direction:column;align-items:stretch;gap:10px;overflow:visible;padding:0;}
  .chip{height:48px;justify-content:flex-start;border-radius:var(--r-inp);}
  .chip.is-active::after{display:none;}
  .header-cta{margin-left:auto;}
  .burger{display:block;}
  .article-head h1{font-size:30px;}
  .consult-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px;}
  .topbar{font-size:12.5px;}
  .topbar-links{display:none;}
  .header-cta{display:none;}
  .article-wrap{padding:32px 0 56px;}
  .article-shell{padding:0 20px;}
  .article-head h1{font-size:26px;}
  .article-body,.article-body p{font-size:15.5px;line-height:1.88;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .related-item{align-items:flex-start;}
  .related-item .thumb{flex:0 0 96px;width:96px;height:68px;}
  .related-item .arrow{display:none;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .consult-form{padding:24px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .to-top{right:16px;bottom:16px;width:44px;height:44px;}
}
@media (max-width:575px){
  .article-head h1{font-size:23px;}
  .crumb{font-size:12.5px;}
  .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --brand-900:#08231F;
  --brand-700:#0E4E42;
  --brand-500:#17876F;
  --brand-300:#4FBF9E;
  --lime:#B9E937;
  --coral:#FF6B3D;
  --bg-page:#F6F4EE;
  --bg-deep:#08231F;
  --surface:#FFFFFF;
  --surface-alt:#F0EDE4;
  --text-strong:#13211D;
  --text-body:#44534E;
  --text-muted:#8B9793;
  --line:#E4E0D6;
  --line-soft:#EFEBE1;
  --grad:linear-gradient(135deg,#08231F 0%,#0E4E42 52%,#17876F 100%);
  --grad-accent:linear-gradient(90deg,#B9E937,#FF6B3D);
  --r-lg:24px;
  --r-md:18px;
  --r-btn:14px;
  --r-in:12px;
  --r-img:16px;
  --sh-1:0 2px 8px rgba(8,35,31,.06);
  --sh-2:0 10px 28px rgba(8,35,31,.10);
  --sh-3:0 22px 48px rgba(8,35,31,.16);
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  background:var(--bg-page);
  color:var(--text-body);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-700);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:76px;
}
.logo{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  color:var(--text-strong);
  font-weight:700;
  font-size:19px;
  letter-spacing:.2px;
}
.logo:hover{color:var(--text-strong);}
.logo-mark{
  width:42px;
  height:42px;
  border-radius:var(--r-btn);
  background:var(--grad);
  color:var(--lime);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  font-weight:700;
  box-shadow:var(--sh-1);
}
.logo-text span{color:var(--brand-500);}

.main-nav{flex:1 1 auto;min-width:0;}
.chip-row{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 18px;
  border-radius:999px;
  background:var(--surface-alt);
  color:var(--text-body);
  font-size:15px;
  font-weight:500;
  white-space:nowrap;
  border:1px solid transparent;
  position:relative;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.chip:hover{background:#E7E3D8;color:var(--text-strong);}
.chip.is-active{
  background:var(--brand-700);
  color:#fff;
  box-shadow:var(--sh-1);
}
.chip.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-10px;
  transform:translateX(-50%);
  width:22px;
  height:2px;
  border-radius:2px;
  background:var(--lime);
}
.header-cta{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  background:var(--grad);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.header-cta:hover{
  color:#fff;
  filter:brightness(1.06);
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}
.header-cta:active{transform:translateY(0);}

.burger{
  display:none;
  width:44px;
  height:44px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:var(--surface);
  cursor:pointer;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.burger i{display:block;width:20px;height:2px;background:var(--text-strong);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.burger.is-active i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.is-active i:nth-child(2){opacity:0;}
.burger.is-active i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  min-height:380px;
  display:flex;
  align-items:center;
  overflow:hidden;
  background:var(--brand-900);
}
.page-hero-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
  opacity:.55;
}
.page-hero-mask{
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(8,35,31,.94) 0%,rgba(14,78,66,.86) 52%,rgba(23,135,111,.72) 100%);
}
.page-hero-mask::after{
  content:"";
  position:absolute;
  right:-120px;
  bottom:-160px;
  width:460px;
  height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(185,233,55,.18) 0%,rgba(185,233,55,0) 70%);
}
.page-hero-inner{
  position:relative;
  z-index:2;
  padding:64px 24px;
}
.breadcrumb{
  font-size:13px;
  color:rgba(255,255,255,.68);
  margin-bottom:16px;
}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb span{margin:0 8px;color:rgba(255,255,255,.4);}
.page-hero h1{
  font-size:40px;
  line-height:1.28;
  font-weight:700;
  color:#fff;
  max-width:760px;
  letter-spacing:.4px;
}
.page-hero .hero-sub{
  margin-top:18px;
  font-size:17px;
  line-height:1.7;
  color:rgba(255,255,255,.86);
  font-weight:500;
  max-width:640px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.hero-badge{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding:12px 20px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.92);
  font-size:13px;
}
.hero-badge b{
  font-size:32px;
  line-height:1;
  font-weight:700;
  color:var(--lime);
  font-variant-numeric:tabular-nums;
}
.hero-badge small{font-size:12px;color:rgba(255,255,255,.7);}

/* ---------- Section basics ---------- */
.section{padding:88px 0;}
.section.tight{padding:72px 0;}
.section.alt{background:var(--surface);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(23,135,111,.10);
  color:var(--brand-700);
  font-size:13px;
  font-weight:600;
  letter-spacing:.4px;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:8px;height:8px;border-radius:50%;
  background:var(--grad-accent);
}
.section-head h2{
  font-size:30px;
  line-height:1.4;
  font-weight:700;
  color:var(--text-strong);
}
.section-head p{
  margin-top:14px;
  font-size:16px;
  color:var(--text-body);
}

/* ---------- Checklist ---------- */
.check-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,2fr);
  gap:48px;
  align-items:start;
}
.check-aside{
  position:sticky;
  top:110px;
  background:var(--grad);
  border-radius:var(--r-lg);
  padding:32px;
  color:#fff;
  box-shadow:var(--sh-2);
}
.check-aside h3{font-size:20px;font-weight:700;margin-bottom:14px;}
.check-aside p{font-size:15px;color:rgba(255,255,255,.82);}
.check-aside .aside-tip{
  margin-top:24px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.16);
  font-size:13px;
  color:rgba(255,255,255,.7);
}
.check-list{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.check-item{
  display:flex;
  gap:20px;
  padding:24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.check-num{
  flex:0 0 auto;
  width:40px;
  height:40px;
  border-radius:50%;
  border:1px solid var(--brand-500);
  color:var(--brand-700);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  font-size:16px;
  background:rgba(23,135,111,.06);
}
.check-body h3{
  font-size:19px;
  font-weight:700;
  color:var(--text-strong);
  margin-bottom:8px;
}
.check-body p{font-size:15px;color:var(--text-body);}
.check-body .mini{
  margin-top:10px;
  font-size:13px;
  color:var(--brand-700);
  background:rgba(185,233,55,.22);
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  font-weight:600;
}

/* ---------- Split (alternating) ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.split + .split{margin-top:72px;}
.split.reverse .split-media{order:2;}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
}
.split-text h3{
  font-size:24px;
  font-weight:700;
  color:var(--text-strong);
  margin-bottom:16px;
}
.split-text > p{font-size:16px;color:var(--text-body);}
.dot-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.dot-list li{
  position:relative;
  padding-left:28px;
  font-size:15px;
  color:var(--text-body);
}
.dot-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:14px;
  height:14px;
  border-radius:50%;
  background:rgba(23,135,111,.14);
  border:1px solid var(--brand-300);
}
.dot-list li::after{
  content:"";
  position:absolute;
  left:4px;
  top:13px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand-500);
}

/* ---------- Channel cards ---------- */
.channel-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:24px;
}
.channel-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.channel-card:hover .channel-cover img{transform:scale(1.03);}
.channel-cover{overflow:hidden;border-radius:0;}
.channel-cover img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:0;
  transition:transform .25s ease;
}
.channel-card.large{grid-row:span 2;}
.channel-card.large .channel-cover img{aspect-ratio:16/10;}
.channel-card.large .channel-body{padding:28px;}
.channel-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.tag{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:rgba(23,135,111,.10);
  color:var(--brand-700);
}
.tag.hot{background:rgba(255,107,61,.12);color:#C43F17;}
.channel-body h3{
  font-size:19px;
  font-weight:700;
  color:var(--text-strong);
  line-height:1.5;
}
.channel-body p{font-size:15px;color:var(--text-body);}
.channel-meta{
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--line-soft);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-muted);
}
.channel-meta i{transition:transform .2s ease;color:var(--brand-500);}
.channel-card:hover .channel-meta i{transform:translateX(4px);}

/* ---------- Timeline steps ---------- */
.timeline{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.timeline::before{
  content:"";
  position:absolute;
  top:20px;
  left:8%;
  right:8%;
  height:2px;
  background:var(--line);
  z-index:0;
}
.tl-item{position:relative;z-index:1;padding-top:0;}
.tl-num{
  width:40px;
  height:40px;
  border-radius:50%;
  background:var(--surface);
  border:2px solid var(--brand-500);
  color:var(--brand-700);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  font-size:15px;
  margin-bottom:20px;
  font-variant-numeric:tabular-nums;
}
.tl-item h4{
  font-size:18px;
  font-weight:700;
  color:var(--text-strong);
  margin-bottom:10px;
}
.tl-item p{font-size:15px;color:var(--text-body);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.faq-item + .faq-item{border-top:1px solid var(--line-soft);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 24px;
  background:transparent;
  border:0;
  cursor:pointer;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--text-strong);
  min-height:44px;
}
.faq-q:hover{color:var(--brand-700);}
.faq-icon{
  flex:0 0 auto;
  position:relative;
  width:20px;
  height:20px;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--brand-500);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-item.is-open .faq-q{color:var(--brand-700);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease,padding .3s ease;
  padding:0 24px;
}
.faq-item.is-open .faq-a{max-height:360px;padding:0 24px 22px;}
.faq-a p{font-size:15px;line-height:1.8;color:var(--text-body);}

/* ---------- CTA band ---------- */
.cta-band{padding:0 0 96px;}
.cta-inner{
  position:relative;
  border-radius:var(--r-lg);
  background:var(--grad);
  padding:56px;
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
  gap:40px;
  align-items:center;
  overflow:hidden;
  box-shadow:var(--sh-3);
}
.cta-inner::after{
  content:"";
  position:absolute;
  right:-100px;
  top:-120px;
  width:360px;
  height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(185,233,55,.16) 0%,rgba(185,233,55,0) 70%);
}
.cta-text{position:relative;z-index:2;}
.cta-text h2{
  font-size:28px;
  font-weight:700;
  color:#fff;
  line-height:1.4;
}
.cta-text p{
  margin-top:14px;
  font-size:15px;
  color:rgba(255,255,255,.84);
  max-width:560px;
}
.cta-actions{
  position:relative;
  z-index:2;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:52px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:16px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#B9E937 0%,#4FBF9E 100%);
  color:var(--brand-900);
  box-shadow:var(--sh-2);
}
.btn-primary:hover{
  color:var(--brand-900);
  filter:brightness(1.05);
  transform:translateY(-2px);
  box-shadow:var(--sh-3);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.4);
  color:#fff;
}
.btn-ghost:hover{
  background:rgba(255,255,255,.10);
  border-color:rgba(255,255,255,.7);
  color:#fff;
}
.btn-outline{
  background:var(--surface);
  border-color:var(--brand-500);
  color:var(--brand-700);
}
.btn-outline:hover{
  background:rgba(23,135,111,.08);
  border-color:var(--brand-700);
  color:var(--brand-700);
  transform:translateY(-2px);
  box-shadow:var(--sh-1);
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--bg-deep);
  color:rgba(255,255,255,.7);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo-mark{margin-bottom:16px;}
.footer-brand .logo-text{
  display:block;
  color:#fff;
  font-size:19px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-brand .logo-text span{color:var(--brand-300);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:300px;}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:var(--lime);
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col span{
  font-size:14px;
  color:rgba(255,255,255,.7);
}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:rgba(255,255,255,.55);
  flex-wrap:wrap;
}

/* ---------- Responsive ---------- */
@media screen and (max-width:991px){
  .header-inner{min-height:68px;gap:16px;}
  .main-nav{
    position:fixed;
    inset:68px 0 auto 0;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh-2);
    padding:0 24px;
    max-height:0;
    overflow:hidden;
    transition:max-height .3s ease,padding .3s ease;
  }
  .main-nav.is-open{max-height:420px;padding:20px 24px 26px;}
  .chip-row{flex-direction:column;align-items:stretch;gap:10px;overflow:visible;}
  .chip{height:46px;justify-content:flex-start;padding:0 18px;border-radius:var(--r-btn);}
  .chip.is-active::after{left:18px;transform:none;bottom:8px;width:16px;}
  .burger{display:flex;margin-left:auto;}
  .header-cta{display:none;}

  .section{padding:64px 0;}
  .section.tight{padding:56px 0;}
  .check-layout{grid-template-columns:1fr;gap:32px;}
  .check-aside{position:static;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split.reverse .split-media{order:0;}
  .split + .split{margin-top:56px;}
  .channel-grid{grid-template-columns:1fr;}
  .channel-card.large{grid-row:auto;}
  .timeline{grid-template-columns:repeat(2,1fr);gap:32px;}
  .timeline::before{display:none;}
  .cta-inner{grid-template-columns:1fr;gap:28px;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media screen and (max-width:767px){
  .page-hero{min-height:340px;}
  .page-hero-inner{padding:48px 20px;}
  .page-hero h1{font-size:30px;}
  .page-hero .hero-sub{font-size:16px;}
  .hero-badge b{font-size:26px;}
  .section-head h2{font-size:24px;}
  .cta-text h2{font-size:22px;}
  .container{padding:0 20px;}
}

@media screen and (max-width:575px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .page-hero h1{font-size:26px;}
  .hero-badges{gap:10px;}
  .hero-badge{padding:10px 16px;}
  .hero-badge b{font-size:22px;}
  .section{padding:52px 0;}
  .section.tight{padding:48px 0;}
  .check-item{padding:20px;gap:16px;}
  .check-body h3{font-size:17px;}
  .split-text h3{font-size:20px;}
  .channel-body{padding:18px;}
  .timeline{grid-template-columns:1fr;gap:28px;}
  .cta-inner{padding:28px 22px;}
  .cta-band{padding-bottom:64px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a{padding:0 18px;}
  .faq-item.is-open .faq-a{padding:0 18px 18px;}
}

/* roulang page: category2 */
:root{
  --brand-900:#08231F;
  --brand-700:#0E4E42;
  --brand-500:#17876F;
  --brand-300:#4FBF9E;
  --accent-lime:#B9E937;
  --accent-coral:#FF6B3D;
  --bg-page:#F6F4EE;
  --bg-deep:#08231F;
  --surface:#FFFFFF;
  --surface-alt:#F0EDE4;
  --text-strong:#13211D;
  --text-body:#44534E;
  --text-muted:#8B9793;
  --line:#E4E0D6;
  --line-soft:#EFEBE1;
  --grad-brand:linear-gradient(135deg,#08231F 0%,#0E4E42 52%,#17876F 100%);
  --grad-tip:linear-gradient(90deg,#B9E937,#FF6B3D);
  --r-lg:24px;
  --r-md:18px;
  --r-btn:14px;
  --r-pill:999px;
  --r-img:16px;
  --sh-1:0 2px 8px rgba(8,35,31,.06);
  --sh-2:0 10px 28px rgba(8,35,31,.10);
  --sh-3:0 22px 48px rgba(8,35,31,.16);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-body);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--brand-700)}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-strong);font-weight:700;line-height:1.3;font-family:inherit}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* 顶部工具条 */
.topbar{background:var(--brand-900);color:rgba(255,255,255,.72);font-size:13px;line-height:1.4}
.topbar-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.topbar-note{letter-spacing:.2px}
.topbar-links{display:flex;gap:20px}
.topbar-links a{color:rgba(255,255,255,.72);font-size:13px;min-height:36px;display:inline-flex;align-items:center}
.topbar-links a:hover{color:var(--accent-lime)}

/* 页头 */
.site-header{position:sticky;top:0;z-index:50;background:var(--surface);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text-strong);font-weight:700;font-size:19px;letter-spacing:.2px;flex:0 0 auto}
.logo:hover{color:var(--text-strong)}
.logo-mark{width:36px;height:36px;border-radius:12px;background:var(--grad-brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;flex:0 0 auto}
.logo-text span{color:var(--brand-500)}
.main-nav{flex:1 1 auto;min-width:0}
.chip-row{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.chip-row::-webkit-scrollbar{display:none}
.chip{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 18px;border-radius:var(--r-pill);background:var(--surface-alt);color:var(--text-body);font-size:14px;font-weight:500;white-space:nowrap;transition:background-color .2s ease,color .2s ease,transform .2s ease}
.chip:hover{background:#E7E2D6;color:var(--text-strong)}
.chip.is-active{background:var(--brand-500);color:#fff;box-shadow:inset 0 -2px 0 var(--accent-lime)}
.chip.is-active:hover{background:var(--brand-700);color:#fff}
.header-cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 24px;border-radius:var(--r-btn);background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;box-shadow:var(--sh-1);flex:0 0 auto;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}
.header-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.06)}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--surface);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0}
.burger i{display:block;width:18px;height:2px;background:var(--text-strong);border-radius:2px}
.drawer-cta{display:none}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 28px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,filter .2s ease,color .2s ease}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:var(--surface);border-color:var(--brand-500);color:var(--brand-700)}
.btn-outline:hover{background:rgba(23,135,111,.08);border-color:var(--brand-700);color:var(--brand-700)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}

/* 小 Hero */
.hero-wrap{padding:24px 24px 0}
.page-hero{position:relative;max-width:1200px;margin:0 auto;border-radius:var(--r-lg);overflow:hidden;min-height:380px;display:flex;align-items:center;color:#fff;background-color:var(--brand-900);background-image:linear-gradient(135deg,rgba(8,35,31,.94) 0%,rgba(14,78,66,.88) 52%,rgba(23,135,111,.74) 100%),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;box-shadow:var(--sh-2)}
.page-hero::after{content:"";position:absolute;right:-120px;bottom:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(185,233,55,.18),rgba(185,233,55,0) 68%);pointer-events:none}
.page-hero .container{position:relative;z-index:1;padding-top:56px;padding-bottom:56px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:18px}
.crumbs a{color:rgba(255,255,255,.68)}
.crumbs a:hover{color:var(--accent-lime)}
.crumbs .current{color:rgba(255,255,255,.94)}
.tag-pill{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);color:var(--accent-lime);font-size:13px;font-weight:500;letter-spacing:.3px}
.page-hero h1{margin:18px 0 14px;font-size:40px;line-height:1.25;color:#fff;max-width:760px}
.hero-sub{font-size:16px;color:rgba(255,255,255,.82);max-width:600px}
.hero-badges{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px}
.badge{display:flex;flex-direction:column;gap:2px;min-width:132px;padding:12px 18px;border-radius:var(--r-md);background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14)}
.badge-num{font-size:32px;font-weight:700;line-height:1.1;color:var(--accent-lime);font-variant-numeric:tabular-nums}
.badge-unit{font-size:12px;color:rgba(255,255,255,.78)}
.hero-strip{height:4px;border-radius:var(--r-pill);background:var(--grad-tip);max-width:1200px;margin:24px auto 0}

/* 板块 */
.section{padding:88px 0}
.section-alt{background:var(--surface)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:30px;line-height:1.35;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--text-body)}
.row-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.scroll-hint{font-size:13px;color:var(--text-muted);white-space:nowrap;padding-bottom:6px}

/* 要点清单 */
.spec-list{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.spec-item{display:grid;grid-template-columns:44px 1fr;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.spec-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.spec-num{width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:var(--brand-700);background:rgba(23,135,111,.08);border:1px solid var(--brand-300);font-variant-numeric:tabular-nums}
.spec-item h3{font-size:18px;margin-bottom:8px}
.spec-item p{font-size:15px;color:var(--text-body)}

/* 套餐卡带 */
.band-scroll{display:flex;gap:24px;overflow-x:auto;padding:12px 4px 28px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.band-scroll::-webkit-scrollbar{height:6px}
.band-scroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:var(--r-pill)}
.plan-card{position:relative;flex:0 0 320px;scroll-snap-align:start;display:flex;flex-direction:column;background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.plan-card.is-featured{background:var(--surface);border-color:var(--brand-500);box-shadow:var(--sh-3);transform:translateY(-8px)}
.plan-card.is-featured:hover{transform:translateY(-10px)}
.plan-flag{position:absolute;top:18px;right:18px;height:26px;padding:0 12px;display:inline-flex;align-items:center;border-radius:var(--r-pill);background:var(--accent-coral);color:#fff;font-size:12px;font-weight:600}
.plan-name{font-size:20px;color:var(--text-strong);font-weight:700}
.plan-desc{font-size:13px;color:var(--text-muted);margin-top:6px}
.plan-price{margin:18px 0 4px;font-size:36px;font-weight:700;color:var(--brand-700);line-height:1.1;font-variant-numeric:tabular-nums}
.plan-price small{font-size:13px;font-weight:400;color:var(--text-muted)}
.plan-list{display:grid;gap:10px;margin:20px 0 26px}
.plan-list li{position:relative;padding-left:22px;font-size:15px;color:var(--text-body)}
.plan-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--brand-500);font-weight:700}
.plan-card .btn{margin-top:auto;width:100%}

/* 参数对照 */
.param-table{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.param-head,.param-row{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;align-items:center;gap:8px;padding:18px 24px;border-bottom:1px solid var(--line-soft)}
.param-head{background:var(--surface-alt);font-size:15px;font-weight:700;color:var(--text-strong)}
.param-row:last-child{border-bottom:0}
.param-row>span:first-child{color:var(--text-muted);font-weight:500}
.param-row>span{font-size:15px;color:var(--text-body)}
.param-head>span:nth-child(3),.param-row>span:nth-child(3){color:var(--brand-700);font-weight:700}
.param-foot{margin-top:16px;font-size:13px;color:var(--text-muted)}

/* 图文交替 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split+.split{margin-top:80px}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-2)}
.split-reverse .split-media{order:2}
.split-body h3{font-size:24px;margin-bottom:16px}
.split-body p{font-size:16px;margin-bottom:16px}
.mini-list{display:grid;gap:12px;margin-top:8px}
.mini-list li{position:relative;padding-left:20px;font-size:15px}
.mini-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--accent-lime)}
.stat-strip{display:flex;flex-wrap:wrap;gap:28px;margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}
.stat-strip .stat strong{display:block;font-size:28px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums}
.stat-strip .stat span{font-size:13px;color:var(--text-muted)}

/* FAQ */
.narrow{max-width:880px}
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item+.faq-item{border-top:1px solid var(--line-soft)}
.faq-q{width:100%;min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;background:none;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--text-strong);cursor:pointer;transition:background-color .2s ease}
.faq-q:hover{background:var(--surface-alt)}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand-500);border-radius:2px;transform:translate(-50%,-50%);transition:transform .25s ease,opacity .25s ease}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text-body)}

/* 底部 CTA */
.cta-wrap{padding:0 24px 88px}
.cta-band{position:relative;max-width:1200px;margin:0 auto;border-radius:var(--r-lg);background:var(--grad-brand);color:#fff;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:40px;overflow:hidden;box-shadow:var(--sh-2)}
.cta-band::after{content:"";position:absolute;right:-100px;top:-120px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(185,233,55,.16),rgba(185,233,55,0) 70%);pointer-events:none}
.cta-band h2{font-size:28px;color:#fff;margin-bottom:10px}
.cta-band p{font-size:15px;color:rgba(255,255,255,.82);max-width:520px}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;position:relative;z-index:1}
.cta-band .btn-primary{background:#fff;color:var(--brand-700)}
.cta-band .btn-primary:hover{background:#fff;color:var(--brand-900)}

/* 页脚 */
.site-footer{background:var(--bg-deep);color:rgba(255,255,255,.7);padding:72px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-text{color:#fff;font-size:19px;font-weight:700;margin-left:10px;vertical-align:middle}
.footer-brand .logo-mark{vertical-align:middle}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h4{font-size:15px;color:var(--accent-lime);margin-bottom:18px;font-weight:600}
.footer-col ul{display:grid;gap:12px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.7)}
.footer-col a{display:inline-flex;min-height:24px;align-items:center}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55)}

/* 返回顶部 */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;border:0;background:var(--grad-brand);color:#fff;font-size:18px;cursor:pointer;box-shadow:var(--sh-2);display:none;align-items:center;justify-content:center;z-index:40}
.to-top.is-show{display:flex}

/* 响应式 */
@media (max-width:991px){
  .header-inner{height:64px;gap:16px}
  .main-nav{position:fixed;top:0;right:0;height:100vh;width:290px;max-width:86vw;background:var(--surface);transform:translateX(105%);transition:transform .28s ease;z-index:60;padding:84px 24px 120px;overflow-y:auto;box-shadow:var(--sh-3);flex:none}
  .main-nav.is-open{transform:translateX(0)}
  .chip-row{flex-direction:column;align-items:stretch;overflow:visible}
  .chip{height:46px;justify-content:flex-start;padding:0 18px}
  .header-cta{display:none}
  .drawer-cta{display:inline-flex;align-items:center;justify-content:center;position:absolute;left:24px;right:24px;bottom:32px;height:52px;border-radius:var(--r-btn);background:var(--grad-brand);color:#fff;font-weight:600}
  .drawer-cta:hover{color:#fff;filter:brightness(1.06)}
  .burger{display:flex;margin-left:auto}
  .spec-list{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .split-reverse .split-media{order:0}
  .split+.split{margin-top:56px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-hero h1{font-size:32px}
  .section{padding:64px 0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px}
}
@media (max-width:767px){
  .topbar-links{display:none}
  .topbar-inner{justify-content:center;text-align:center}
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .page-hero{min-height:340px}
  .page-hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .hero-badges{gap:12px}
  .badge{min-width:104px;padding:10px 14px}
  .badge-num{font-size:24px}
  .param-head{display:none}
  .param-row{display:block;padding:20px}
  .param-row>span{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px dashed var(--line-soft)}
  .param-row>span:last-child{border-bottom:0}
  .param-row>span::before{content:attr(data-label);font-size:13px;color:var(--text-muted);font-weight:500}
  .param-row>span:first-child{color:var(--text-strong);font-weight:700}
  .plan-card{flex:0 0 84%}
  .cta-wrap{padding:0 20px 72px}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .hero-wrap{padding:16px 16px 0}
  .section{padding:48px 0}
  .spec-item{padding:20px;grid-template-columns:36px 1fr;gap:14px}
  .spec-num{width:36px;height:36px;font-size:14px}
  .plan-card{padding:24px 20px}
  .btn{width:100%}
  .header-cta,.header-inner .btn{width:auto}
}