/* roulang page: index */
:root{
  --brand:#FF3E6C;
  --brand-2:#7B4DFF;
  --lime:#17D6B0;
  --ink:#1E1B2E;
  --muted:#6B6580;
  --bg:#FFF7F4;
  --card:#FFFFFF;
  --deep:#1B1436;
  --line:rgba(27,20,54,.08);
  --line-strong:rgba(27,20,54,.14);
  --grad:linear-gradient(135deg,#FF3E6C 0%,#7B4DFF 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,62,108,.10) 0%,rgba(123,77,255,.10) 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh:0 4px 16px rgba(27,20,54,.06);
  --sh-hover:0 12px 32px rgba(255,62,108,.16);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease;}
button,input,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid rgba(123,77,255,.35);outline-offset:2px;border-radius:8px;}
section[id]{scroll-margin-top:96px;}
::selection{background:rgba(255,62,108,.18);}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,background-position .35s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
  color:#fff;
  background-image:linear-gradient(135deg,#FF3E6C 0%,#7B4DFF 50%,#FF3E6C 100%);
  background-size:200% 100%;
  background-position:0 0;
  box-shadow:0 6px 18px rgba(255,62,108,.24);
}
.btn-primary:hover{
  background-position:100% 0;
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(255,62,108,.28);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(255,62,108,.22);}
.btn-ghost{
  color:var(--brand);
  background:#fff;
  border:1px solid rgba(255,62,108,.35);
}
.btn-ghost:hover{background:#FFECF1;border-color:var(--brand);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-dark{
  background:var(--deep);
  color:#fff;
}
.btn-dark:hover{background:#2A2054;transform:translateY(-2px);box-shadow:0 12px 28px rgba(27,20,54,.24);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  background:#FFECF1;
}
.tag-lime{
  color:#0C7C66;
  background:rgba(23,214,176,.14);
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
  box-shadow:var(--sh);
}
.stat{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:14px 18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  min-width:120px;
}
.stat-num{
  font-size:26px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--ink);
  line-height:1.2;
}
.stat-num em{font-style:normal;color:var(--brand);font-size:16px;margin-left:2px;}
.stat-label{font-size:13px;color:var(--muted);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,247,244,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s ease,background-color .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  box-shadow:0 8px 24px rgba(27,20,54,.08);
  border-bottom-color:var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:20px;
  height:76px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:38px;
  height:38px;
  border-radius:12px;
  background-image:var(--grad);
  color:#fff;
  font-size:18px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px rgba(255,62,108,.28);
}
.logo-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
}
.search-box{
  position:relative;
  display:flex;
  align-items:center;
  flex:1 1 auto;
  min-width:320px;
  max-width:640px;
  height:48px;
  background:#fff;
  border:1px solid var(--line-strong);
  border-radius:var(--r-pill);
  padding:4px 4px 4px 18px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.search-box:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(255,62,108,.18);
}
.search-box svg{flex-shrink:0;color:var(--brand);}
.search-box input{
  flex:1;
  height:100%;
  border:0;
  outline:none;
  background:transparent;
  padding:0 12px;
  font-size:15px;
}
.search-box input::placeholder{color:#A9A3B8;}
.search-submit{
  height:40px;
  padding:0 22px;
  border-radius:var(--r-pill);
  background-image:var(--grad);
  color:#fff;
  font-size:14px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:transform .2s ease,box-shadow .2s ease,opacity .2s ease;
}
.search-submit:hover{opacity:.92;box-shadow:0 8px 18px rgba(123,77,255,.28);}
.search-submit:active{transform:scale(.97);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex-shrink:0;
}
.nav-link{
  font-size:14px;
  color:var(--muted);
  font-weight:500;
}
.nav-link:hover{color:var(--brand-2);}
.search-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line-strong);
  align-items:center;
  justify-content:center;
  color:var(--brand);
}
.chip-bar{
  display:flex;
  gap:10px;
  padding:0 0 14px;
  overflow-x:auto;
  scrollbar-width:none;
}
.chip-bar::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 18px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:600;
  color:#9B3A57;
  background:#FFECF1;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease;
}
.chip:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(255,62,108,.16);}
.chip-active{
  color:#fff;
  background-image:var(--grad);
  box-shadow:0 8px 18px rgba(255,62,108,.24);
}
.mobile-search{
  display:none;
  padding:0 0 14px;
}
.mobile-search.is-open{display:block;}
.mobile-search .search-box{min-width:0;max-width:none;width:100%;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:64px 0 72px;
}
.hero::before{
  content:"";
  position:absolute;
  top:-140px;
  right:-120px;
  width:520px;
  height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,62,108,.08) 0%,rgba(255,62,108,0) 70%);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  bottom:-180px;
  left:-100px;
  width:460px;
  height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(123,77,255,.08) 0%,rgba(123,77,255,0) 70%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--brand);
  background:#fff;
  border:1px solid rgba(255,62,108,.22);
  padding:6px 16px;
  border-radius:var(--r-pill);
  box-shadow:var(--sh);
}
.hero h1{
  margin-top:22px;
  font-size:clamp(30px,4vw,48px);
  line-height:1.25;
  letter-spacing:-.01em;
  font-weight:800;
}
.hero h1 .hl{
  background-image:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  margin-top:16px;
  font-size:17px;
  color:var(--muted);
  max-width:560px;
}
.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.stat-row{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:36px;
}
.hero-visual{
  position:relative;
}
.hero-visual img{
  width:100%;
  aspect-ratio:16/9;
  border-radius:var(--r-lg);
  box-shadow:0 24px 56px rgba(27,20,54,.16);
  border:1px solid var(--line);
}
.visual-badge{
  position:absolute;
  right:18px;
  bottom:18px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 18px;
  border-radius:var(--r-pill);
  background:rgba(23,214,176,.95);
  color:#053B30;
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  box-shadow:0 10px 24px rgba(23,214,176,.32);
}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;
  top:76px;
  z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.anchor-inner{
  display:flex;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  padding:12px 0;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-link{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 18px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:500;
  color:var(--muted);
  white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.anchor-link:hover{color:var(--brand);background:#FFECF1;}
.anchor-link.is-active{
  color:#fff;
  background-image:var(--grad);
  font-weight:600;
}

/* ---------- 板块通用 ---------- */
.section{padding:104px 0;}
.section-tight{padding:80px 0;}
.section-head{max-width:720px;}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.01em;
}
.section-head .kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand-2);
  margin-bottom:12px;
}
.section-head .kicker::before{
  content:"";
  width:4px;
  height:16px;
  border-radius:4px;
  background-image:var(--grad);
}
.section-sub{
  margin-top:12px;
  color:var(--muted);
  font-size:16px;
}
.section-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
}
.link-more{
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  border-bottom:2px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.link-more:hover{color:var(--brand-2);border-bottom-color:rgba(123,77,255,.5);}

/* ---------- 卖点区 ---------- */
.hl-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:28px;
  margin-top:48px;
  align-items:start;
}
.hl-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--sh);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.hl-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:5px;
  background-image:var(--grad);
}
.hl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.hl-card h3{
  margin-top:18px;
  font-size:20px;
  font-weight:800;
  line-height:1.5;
}
.hl-card p{
  margin-top:12px;
  font-size:15px;
  line-height:1.7;
  color:var(--muted);
}
.hl-card .hl-figure{
  margin-top:22px;
  border-radius:var(--r-sm);
  overflow:hidden;
  border:1px solid var(--line);
}
.hl-card .hl-figure img{width:100%;aspect-ratio:16/9;}
.hl-list{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  overflow:hidden;
}
.hl-item{
  display:flex;
  gap:18px;
  padding:26px 30px;
  border-bottom:1px solid var(--line);
  transition:background-color .2s ease,transform .2s ease;
}
.hl-item:last-child{border-bottom:0;}
.hl-item:hover{background:#FFF9F7;transform:translateX(4px);}
.hl-icon{
  flex-shrink:0;
  width:46px;
  height:46px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--grad-soft);
  color:var(--brand);
  font-weight:800;
}
.hl-icon svg{width:22px;height:22px;}
.hl-item h4{font-size:18px;font-weight:700;line-height:1.5;}
.hl-item p{margin-top:6px;font-size:15px;line-height:1.7;color:var(--muted);}

/* ---------- 演示区 ---------- */
.demo-section{
  background:var(--deep);
  color:#fff;
  padding:104px 0;
  position:relative;
  overflow:hidden;
}
.demo-section::before{
  content:"";
  position:absolute;
  top:-160px;
  right:-80px;
  width:520px;
  height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(123,77,255,.8) 0%,rgba(123,77,255,0) 70%);
  opacity:.18;
  pointer-events:none;
}
.demo-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(240px,300px) 1fr;
  gap:44px;
  align-items:start;
  margin-top:48px;
}
.demo-copy h3{font-size:22px;font-weight:800;line-height:1.5;}
.demo-copy p{margin-top:14px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);}
.demo-copy ul{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.demo-copy li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.82);
}
.demo-copy li::before{
  content:"";
  flex-shrink:0;
  width:8px;height:8px;
  margin-top:9px;
  border-radius:50%;
  background:var(--lime);
}
.demo-stage{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-lg);
  padding:16px;
}
.demo-stage img{
  width:100%;
  aspect-ratio:16/9;
  border-radius:var(--r-md);
}
.demo-thumbs{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
  margin-top:16px;
}
.demo-thumb{
  border-radius:var(--r-sm);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  padding:0;
  transition:transform .2s ease,border-color .2s ease;
}
.demo-thumb img{width:100%;aspect-ratio:4/3;}
.demo-thumb:hover{transform:translateY(-3px);}
.demo-thumb.is-current{
  border:2px solid transparent;
  background-image:linear-gradient(#1B1436,#1B1436),var(--grad);
  background-origin:border-box;
  background-clip:padding-box,border-box;
}
.demo-thumb span{
  display:block;
  font-size:13px;
  color:rgba(255,255,255,.7);
  padding:8px 10px 10px;
  text-align:left;
}
.demo-thumb.is-current span{color:#fff;font-weight:600;}

/* ---------- 证据区 ---------- */
.proof-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:44px;
}
.proof-item{
  background:#fff;
  border:1px solid rgba(23,214,176,.45);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease;
}
.proof-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.proof-num{
  font-size:clamp(28px,3vw,40px);
  font-weight:800;
  line-height:1.15;
  font-variant-numeric:tabular-nums;
  background-image:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.proof-label{margin-top:6px;font-size:14px;color:var(--muted);}
.proof-grid{
  display:grid;
  grid-template-columns:2fr 1fr;
  gap:28px;
  margin-top:28px;
  align-items:start;
}
.proof-cards{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.proof-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease;
}
.proof-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.proof-card img{width:100%;aspect-ratio:4/3;}
.proof-card-body{padding:22px 24px 26px;}
.proof-card-body h3{font-size:18px;font-weight:700;line-height:1.5;}
.proof-card-body p{margin-top:10px;font-size:15px;line-height:1.7;color:var(--muted);}
.quote-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh);
  height:100%;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.quote-user{display:flex;align-items:center;gap:14px;}
.quote-avatar{
  width:48px;height:48px;
  border-radius:50%;
  background-image:var(--grad);
  color:#fff;
  font-weight:800;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.quote-name{font-size:15px;font-weight:700;}
.quote-role{font-size:13px;color:var(--muted);}
.stars{color:#FFB020;font-size:15px;letter-spacing:2px;}
.quote-text{font-size:15px;line-height:1.8;color:var(--ink);}
.quote-foot{margin-top:auto;padding-top:16px;border-top:1px dashed var(--line-strong);font-size:13px;color:var(--muted);}

/* ---------- 价格区 ---------- */
.price-section{background:linear-gradient(180deg,#FFF7F4 0%,#FFECF1 100%);}
.price-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
  margin-top:52px;
  align-items:stretch;
}
.price-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--sh);
  display:flex;
  flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.price-card h3{font-size:18px;font-weight:700;}
.price-desc{margin-top:8px;font-size:14px;color:var(--muted);}
.price-amount{
  margin-top:22px;
  display:flex;
  align-items:baseline;
  gap:6px;
  font-variant-numeric:tabular-nums;
}
.price-amount strong{
  font-size:40px;
  font-weight:800;
  line-height:1;
  letter-spacing:-.02em;
}
.price-amount span{font-size:14px;color:var(--muted);}
.price-list{margin-top:26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.price-list li{
  display:flex;
  gap:10px;
  font-size:15px;
  color:#3A3550;
  line-height:1.7;
}
.price-list li svg{flex-shrink:0;margin-top:5px;color:var(--lime);}
.price-card .btn{margin-top:28px;}
.price-card.is-featured{
  border-color:rgba(255,62,108,.35);
  box-shadow:0 16px 40px rgba(255,62,108,.14);
  transform:translateY(-8px);
}
.price-card.is-featured::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:5px;
  border-radius:var(--r-lg) var(--r-lg) 0 0;
  background-image:var(--grad);
}
.price-card.is-featured:hover{transform:translateY(-12px);}
.rec-badge{
  position:absolute;
  top:20px;right:20px;
  padding:4px 14px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:700;
  color:#fff;
  background-image:var(--grad);
}

/* ---------- 最新信息 ---------- */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
  margin-top:44px;
}
.news-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.news-thumb{position:relative;}
.news-thumb img{width:100%;aspect-ratio:16/9;}
.news-time{
  position:absolute;
  top:14px;right:14px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);
  font-size:12px;
  font-weight:600;
  color:var(--brand-2);
  font-variant-numeric:tabular-nums;
}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-title{
  font-size:17px;
  font-weight:700;
  line-height:1.55;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card:hover .news-title{color:var(--brand);}
.news-summary{
  font-size:15px;
  line-height:1.7;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--muted);
}
.news-foot .go{color:var(--brand);font-weight:600;}
.empty-state{
  margin-top:44px;
  padding:64px 24px;
  background:#fff;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-lg);
  text-align:center;
}
.empty-icon{
  width:72px;height:72px;
  margin:0 auto 18px;
  border-radius:24px;
  background:var(--grad-soft);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);
}
.empty-state p{color:var(--muted);font-size:15px;}
.empty-state .btn{margin-top:22px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:44px auto 0;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:rgba(255,62,108,.35);box-shadow:0 12px 32px rgba(255,62,108,.10);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 26px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-icon{
  flex-shrink:0;
  width:28px;height:28px;
  border-radius:50%;
  background:var(--grad-soft);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
  font-weight:600;
  transition:transform .2s ease,background-color .2s ease,color .2s ease;
}
.faq-item.is-open .faq-icon{
  transform:rotate(45deg);
  background-image:var(--grad);
  color:#fff;
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{
  padding:0 26px 24px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}

/* ---------- CTA 表单 ---------- */
.cta-section{padding:0 0 104px;}
.cta-box{
  position:relative;
  overflow:hidden;
  background:var(--deep);
  border-radius:32px;
  padding:56px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
  align-items:center;
  color:#fff;
}
.cta-box::before{
  content:"";
  position:absolute;
  top:-120px;right:-60px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,62,108,.55) 0%,rgba(255,62,108,0) 70%);
  opacity:.22;
  pointer-events:none;
}
.cta-copy{position:relative;}
.cta-copy h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.35;}
.cta-copy p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.72);max-width:460px;}
.cta-points{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;}
.cta-points span{
  font-size:13px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.82);
}
.cta-form{
  position:relative;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-lg);
  padding:28px;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.form-row{display:flex;flex-direction:column;gap:8px;}
.form-row label{font-size:13px;color:rgba(255,255,255,.62);}
.form-row input,.form-row select{
  height:50px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.94);
  padding:0 16px;
  font-size:15px;
  color:var(--ink);
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-row input:focus,.form-row select:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(255,62,108,.20);
}
.form-inline{
  display:grid;
  grid-template-columns:1fr 1fr auto;
  gap:16px;
  align-items:end;
}
.form-note{font-size:13px;color:rgba(255,255,255,.5);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--deep);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,rgba(255,62,108,.6),rgba(123,77,255,.6),rgba(255,255,255,.05));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;}
.footer-brand .logo-mark{box-shadow:none;}
.footer-brand span{font-size:17px;font-weight:800;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:300px;}
.footer-col h3{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col li{
  font-size:14px;
  color:rgba(255,255,255,.62);
  line-height:1.7;
}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.48);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:28px;
  bottom:28px;
  z-index:70;
  display:flex;
  align-items:center;
  gap:8px;
  opacity:0;
  visibility:hidden;
  transform:translateY(16px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-mini{
  width:44px;height:44px;
  border-radius:50%;
  background:#fff;
  border:1px solid var(--line-strong);
  color:var(--muted);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh);
}
.float-mini:hover{color:var(--brand);}
.mobile-cta{display:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:80px 0;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero{padding:48px 0 56px;}
  .hl-grid{grid-template-columns:1fr;}
  .demo-grid{grid-template-columns:1fr;gap:32px;}
  .proof-strip{grid-template-columns:repeat(2,1fr);}
  .proof-grid{grid-template-columns:1fr;}
  .proof-cards{grid-template-columns:repeat(2,1fr);}
  .price-grid{grid-template-columns:repeat(2,1fr);}
  .price-card.is-featured{transform:none;}
  .price-card.is-featured:hover{transform:translateY(-4px);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-box{grid-template-columns:1fr;padding:40px;border-radius:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .anchor-bar{top:72px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .nav-wrap{height:64px;gap:12px;}
  .search-box{display:none;}
  .search-toggle{display:inline-flex;}
  .logo-text{font-size:15px;}
  .nav-actions .nav-link{display:none;}
  .anchor-bar{top:64px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .hero-sub{font-size:16px;}
  .stat-row{gap:10px;}
  .stat{flex:1 1 calc(50% - 5px);min-width:0;padding:12px 14px;}
  .stat-num{font-size:22px;}
  .demo-thumbs{grid-template-columns:repeat(2,1fr);}
  .proof-strip{grid-template-columns:1fr;}
  .proof-cards{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;gap:20px;}
  .news-grid{grid-template-columns:1fr;}
  .cta-box{padding:28px 20px;border-radius:20px;}
  .cta-form{padding:20px;}
  .form-inline{grid-template-columns:1fr;}
  .form-inline .btn{width:100%;}
  .hl-item{padding:20px;}
  .section-head-row{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .float-cta{display:none;}
  .mobile-cta{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    position:fixed;
    left:0;right:0;bottom:0;
    height:64px;
    padding:0 16px;
    background:rgba(255,255,255,.97);
    backdrop-filter:blur(8px);
    border-top:1px solid var(--line);
    box-shadow:0 -6px 20px rgba(27,20,54,.08);
    z-index:80;
    transform:translateY(0);
    transition:transform .3s ease;
  }
  .mobile-cta.is-hidden{transform:translateY(100%);}
  .mobile-cta span{font-size:14px;font-weight:600;color:var(--ink);}
  .cta-section{padding-bottom:96px;}
  .faq-q{padding:18px 20px;font-size:16px;}
  .faq-a-inner{padding:0 20px 20px;}
}
@media (max-width:520px){
  .hero h1{font-size:26px;}
  .logo-text{max-width:110px;overflow:hidden;text-overflow:ellipsis;}
  .price-amount strong{font-size:34px;}
  .proof-num{font-size:28px;}
}

/* roulang page: article */
:root{
  --brand:#FF3E6C;
  --brand-2:#7B4DFF;
  --lime:#17D6B0;
  --ink:#1E1B2E;
  --muted:#6B6580;
  --bg:#FFF7F4;
  --card:#FFFFFF;
  --dark:#1B1436;
  --pink-soft:#FFECF1;
  --line:rgba(27,20,54,.08);
  --line-strong:rgba(27,20,54,.14);
  --grad:linear-gradient(135deg,#FF3E6C 0%,#7B4DFF 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 4px 16px rgba(27,20,54,.06);
  --sh-2:0 12px 32px rgba(255,62,108,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;}
button,input,select{font-family:inherit;font-size:inherit;color:inherit;}
button{border:none;background:none;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
::selection{background:rgba(255,62,108,.2);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.btn-primary{
  background-image:var(--grad);background-size:160% 160%;background-position:0 0;
  color:#fff;box-shadow:0 6px 18px rgba(255,62,108,.28);
}
.btn-primary:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(255,62,108,.24);}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--pink-soft);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn:focus-visible,.chip:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:3px solid rgba(123,77,255,.35);outline-offset:2px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,247,244,.94);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  box-shadow:0 8px 24px rgba(27,20,54,.08);
}
.header-main{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;gap:24px;padding:14px 0 10px;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink);white-space:nowrap;}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background-image:var(--grad);
  color:#fff;display:grid;place-items:center;font-size:16px;font-weight:800;flex:none;
}
.logo-short{display:none;}
.search-box{
  position:relative;display:flex;align-items:center;
  width:100%;max-width:640px;min-width:320px;height:48px;margin:0 auto;
  background:#fff;border:1px solid var(--line-strong);border-radius:999px;
  padding:0 6px 0 44px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),max-width .22s var(--ease);
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,62,108,.18);max-width:660px;}
.search-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--brand);}
.search-box input{
  flex:1;height:100%;border:none;outline:none;background:transparent;font-size:15px;
}
.search-box input::placeholder{color:#A9A2B8;}
.search-btn{
  height:40px;padding:0 20px;border-radius:999px;background-image:var(--grad);
  color:#fff;font-size:14px;font-weight:600;flex:none;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.search-btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,62,108,.28);}
.header-actions{display:flex;align-items:center;gap:16px;}
.link-quiet{font-size:15px;font-weight:600;color:var(--ink);transition:color .2s var(--ease);}
.link-quiet:hover{color:var(--brand-2);}
.menu-toggle{display:none;width:42px;height:42px;border-radius:14px;border:1px solid var(--line-strong);background:#fff;align-items:center;justify-content:center;}

/* 分类胶囊条 */
.chip-wrap{padding-bottom:12px;overflow:hidden;}
.chip-bar{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding:4px 0;}
.chip-bar::-webkit-scrollbar{display:none;}
.chip{
  flex:none;padding:8px 16px;border-radius:999px;background:var(--pink-soft);
  color:#8A2447;font-size:14px;font-weight:600;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.chip:hover{transform:translateY(-2px);color:var(--brand-2);}
.chip-active{background-image:var(--grad);color:#fff;}
.chip-active:hover{color:#fff;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);padding:22px 0 6px;
}
.breadcrumb a{color:var(--muted);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--brand-2);}
.breadcrumb .sep{color:rgba(27,20,54,.25);}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-head{padding:14px 0 26px;}
.category-pill{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:linear-gradient(135deg,rgba(255,62,108,.13),rgba(123,77,255,.14));
  color:var(--brand-2);font-size:13px;font-weight:700;
}
.article-head h1{
  font-size:clamp(26px,3.5vw,36px);line-height:1.25;letter-spacing:-.01em;
  font-weight:800;margin:14px 0 14px;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--muted);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(27,20,54,.18);}
.meta-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;font-weight:700;font-variant-numeric:tabular-nums;
  background:rgba(23,214,176,.12);border:1px solid rgba(23,214,176,.45);color:#0E8C74;font-size:12px;
}

/* ---------- 正文布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:240px minmax(0,1fr);gap:32px;align-items:start;
  padding-bottom:8px;
}
.toc{
  position:sticky;top:120px;font-size:14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--sh-1);
}
.toc h2{font-size:13px;letter-spacing:.08em;color:var(--muted);font-weight:700;margin-bottom:12px;}
.toc ul{display:flex;flex-direction:column;gap:8px;max-height:52vh;overflow:auto;}
.toc a{color:var(--muted);line-height:1.6;display:block;border-left:2px solid transparent;padding-left:10px;}
.toc a:hover{color:var(--brand-2);}
.toc a.is-active{color:var(--brand);font-weight:700;border-left-color:var(--brand);}
.article-main{max-width:760px;margin:0 auto;width:100%;}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:48px;
}
.article-body{font-size:17px;line-height:1.9;color:var(--ink);}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:24px;line-height:1.4;font-weight:800;
  margin:32px 0 16px;padding-left:14px;scroll-margin-top:120px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;
  background-image:var(--grad);
}
.article-body h3{font-size:20px;color:var(--brand);margin:24px 0 12px;font-weight:700;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:22px;}
.article-body ul li{position:relative;margin-bottom:8px;}
.article-body ul li::before{
  content:"";position:absolute;left:-14px;top:.78em;width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin-bottom:8px;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:4px solid var(--brand);
  background:var(--pink-soft);border-radius:0 var(--r-sm) var(--r-sm) 0;color:#4A3350;
}
.article-body img{border-radius:var(--r-sm);margin:24px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{margin-top:12px;font-size:13px;color:var(--muted);text-align:center;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th{background:#FFF0F4;text-align:left;font-weight:700;padding:12px 14px;border:1px solid var(--line);}
.article-body td{padding:12px 14px;border:1px solid var(--line);}
.article-body tbody tr:nth-child(odd) td{background:#FFFBFA;}
.article-body pre{
  background:var(--dark);color:#F1ECFF;padding:20px;border-radius:var(--r-sm);
  overflow-x:auto;font-size:14px;line-height:1.7;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;margin:24px 0;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.94em;}
.article-body p code,.article-body li code{background:#F6F2FF;color:var(--brand-2);padding:2px 6px;border-radius:6px;}
.article-body a{color:var(--brand-2);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand);}

/* 空态 */
.empty-state{text-align:center;padding:40px 10px;}
.empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;
  background:linear-gradient(135deg,rgba(255,62,108,.14),rgba(123,77,255,.14));
  color:var(--brand);display:grid;place-items:center;font-size:26px;font-weight:800;
}
.empty-state p{font-size:18px;font-weight:700;margin-bottom:8px;}
.empty-sub{font-size:15px;color:var(--muted);font-weight:400;margin-bottom:22px;}

/* ---------- 标签与文末 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
  padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line-strong);
  font-size:13px;color:var(--muted);transition:all .2s var(--ease);
}
.tag:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
.article-foot{margin-top:24px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;}
.text-link{
  font-size:15px;font-weight:600;color:var(--brand-2);
  border-bottom:2px solid transparent;padding-bottom:2px;transition:all .2s var(--ease);
}
.text-link:hover{color:var(--brand);border-bottom-color:var(--brand);}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.01em;line-height:1.35;}
.section-head p{font-size:15px;color:var(--muted);margin-top:10px;}
.section-head .text-link{align-self:center;}

.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.recent-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.recent-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,62,108,.2);}
.recent-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#FFE3EA,#EDE6FF);}
.recent-cover img{width:100%;height:100%;transition:transform .4s var(--ease);}
.recent-card:hover .recent-cover img{transform:scale(1.04);}
.recent-cover .card-cat{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--brand-2);font-size:12px;font-weight:700;
}
.recent-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.recent-body h3{
  font-size:18px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.recent-body p{
  font-size:15px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1;
}
.recent-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);padding-top:12px;border-top:1px solid var(--line);}

/* ---------- 底部 CTA ---------- */
.cta-band{
  margin-top:72px;background:var(--dark);color:#fff;border-radius:var(--r-lg);
  padding:48px;display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,62,108,.28),transparent 70%);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.35;position:relative;z-index:1;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-top:12px;position:relative;z-index:1;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:1;}
.cta-band .btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);margin-top:80px;padding:64px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);margin-top:14px;max-width:320px;}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a{color:rgba(255,255,255,.68);transition:color .2s var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .toc{display:none;}
}
@media (max-width:1024px){
  .header-main{grid-template-columns:auto minmax(0,1fr) auto;gap:16px;}
  .link-quiet{display:none;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;padding:40px;}
  .cta-actions{justify-content:flex-start;}
  .article-card{padding:36px;}
}
@media (max-width:768px){
  .header-main{grid-template-columns:auto auto;justify-content:space-between;gap:12px;}
  .search-box{grid-column:1 / -1;min-width:0;max-width:none;margin:4px 0 0;}
  .search-box:focus-within{max-width:none;}
  .logo-text{font-size:16px;}
  .menu-toggle{display:flex;}
  .chip-wrap{padding-bottom:8px;}
  .grid-3{grid-template-columns:minmax(0,1fr);}
  .section{padding:56px 0 0;}
  .article-card{padding:24px;}
  .article-head h1{font-size:26px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .cta-band{padding:32px 24px;border-radius:20px;}
  .site-footer{padding:48px 0 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .logo-text{display:none;}
  .logo-short{display:inline;}
  .btn{height:44px;padding:0 20px;font-size:14px;}
  .btn-sm{height:38px;padding:0 16px;}
  .search-box{height:46px;padding-left:40px;}
  .search-btn{padding:0 14px;}
  .article-card{padding:20px;border-radius:18px;}
  .recent-body{padding:20px;}
}

/* roulang page: category2 */
:root{
  --coral:#FF3E6C;
  --purple:#7B4DFF;
  --lime:#17D6B0;
  --ink:#1B1436;
  --bg:#FFF7F4;
  --card:#FFFFFF;
  --text:#1E1B2E;
  --muted:#6B6580;
  --line:rgba(27,20,54,.08);
  --line-soft:rgba(27,20,54,.06);
  --grad:linear-gradient(135deg,#FF3E6C 0%,#7B4DFF 100%);
  --shadow-sm:0 4px 16px rgba(27,20,54,.06);
  --shadow-hover:0 12px 32px rgba(255,62,108,.16);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select{font-family:inherit;font-size:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(123,77,255,.35);outline-offset:2px}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,247,244,.86);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  box-shadow:0 8px 24px rgba(27,20,54,.08);
  border-bottom-color:var(--line);
}
.nav-top{
  display:flex;align-items:center;gap:24px;height:76px;position:relative;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.01em;white-space:nowrap}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;font-weight:800;flex:0 0 auto;
  box-shadow:0 6px 16px rgba(255,62,108,.28);
}
.search-wrap{flex:1 1 44%;min-width:320px;max-width:640px;margin:0 auto;transition:max-width .25s ease}
.search-form{
  display:flex;align-items:center;height:48px;border-radius:999px;
  background:#fff;border:1px solid var(--line);padding:0 6px 0 18px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form:focus-within{border-color:var(--coral);box-shadow:0 0 0 4px rgba(255,62,108,.18)}
.search-ico{width:20px;height:20px;flex:0 0 auto;color:var(--coral)}
.search-form input{
  flex:1;min-width:0;border:0;outline:0;background:transparent;
  font-size:15px;color:var(--text);padding:0 12px;height:100%;
}
.search-form input::placeholder{color:#9A95AB}
.search-btn{
  flex:0 0 auto;height:40px;padding:0 20px;border:0;border-radius:999px;
  background:var(--grad);background-size:180% 180%;background-position:0% 50%;
  color:#fff;font-size:14px;font-weight:700;cursor:pointer;
  transition:background-position .3s ease,box-shadow .3s ease,transform .2s ease;
}
.search-btn:hover{background-position:100% 50%;box-shadow:0 8px 18px rgba(255,62,108,.24)}
.search-btn:active{transform:translateY(1px)}
.search-toggle{
  display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;color:var(--coral);cursor:pointer;
}
.nav-actions{display:flex;align-items:center;gap:18px;white-space:nowrap}
.nav-link{font-size:15px;color:var(--muted);font-weight:600;transition:color .2s ease}
.nav-link:hover{color:var(--purple)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}

.chip-bar{display:flex;gap:10px;padding:8px 0 14px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.chip-bar::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:8px 18px;border-radius:999px;background:#FFECF1;color:#8A2143;
  font-size:14px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.chip:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(255,62,108,.14)}
.chip-active{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(255,62,108,.22)}
.chip-active:hover{transform:translateY(-2px)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:1px solid transparent;
  font-size:16px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background-position .35s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  background-size:200% 200%;background-position:0% 50%;
}
.btn-primary{background-image:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,62,108,.22)}
.btn-primary:hover{background-position:100% 50%;box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--coral);border-color:rgba(255,62,108,.4)}
.btn-ghost:hover{background:#FFECF1;transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,62,108,.12)}
.btn-ghost:active{transform:translateY(1px)}

/* ---------- 通用 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;color:var(--coral);letter-spacing:.02em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:4px;height:16px;border-radius:999px;background:var(--grad)}
.section{padding:96px 0}
.section-tint{background:#fff}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{
  font-size:32px;line-height:1.3;letter-spacing:-.01em;font-weight:800;margin-bottom:14px;
}
.section-sub{font-size:16px;color:var(--muted);line-height:1.8}
.section-head.light h2{color:#fff}
.section-head.light .section-sub{color:rgba(255,255,255,.72)}

/* ---------- Hero ---------- */
.cat-hero{padding:56px 0 80px;position:relative;overflow:hidden}
.cat-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,62,108,.08),rgba(255,62,108,0) 68%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero-grid h1{
  font-size:40px;line-height:1.25;letter-spacing:-.01em;font-weight:800;margin-bottom:18px;
}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:560px;margin-bottom:26px}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.stat-badge{
  display:inline-flex;align-items:baseline;gap:8px;
  border:1px solid rgba(23,214,176,.5);background:#fff;border-radius:999px;
  padding:9px 18px;font-size:13px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.stat-badge b{font-size:21px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  aspect-ratio:4/3;background:#FFECF1;margin:0;
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media figcaption{
  position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.94);
  border-radius:999px;padding:7px 16px;font-size:13px;color:var(--ink);font-weight:600;
  box-shadow:0 6px 16px rgba(27,20,54,.1);
}

/* ---------- 分类方向卡 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.topic-card{
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,62,108,.24)}
.topic-thumb{aspect-ratio:4/3;overflow:hidden;background:#FFECF1}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.topic-card:hover .topic-thumb img{transform:scale(1.04)}
.topic-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:10px;flex:1}
.topic-body h3{font-size:20px;font-weight:700;line-height:1.4}
.topic-body p{font-size:15px;line-height:1.7;color:var(--muted)}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--coral);
  transition:color .2s ease;margin-top:auto;padding-top:6px;
}
.text-link:hover{color:var(--purple)}
.text-link span{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px}

/* ---------- 深色对比带 ---------- */
.dark-band{
  position:relative;background:var(--ink);color:#fff;padding:88px 0;overflow:hidden;
}
.dark-band::before{
  content:"";position:absolute;left:-140px;bottom:-160px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(123,77,255,.8),rgba(123,77,255,0) 70%);opacity:.08;pointer-events:none;
}
.compare-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;z-index:1}
.compare-item{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-md);padding:26px 24px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.compare-item:hover{transform:translateY(-4px);border-color:rgba(23,214,176,.5);box-shadow:0 12px 32px rgba(0,0,0,.28)}
.compare-num{
  font-size:38px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.compare-item h3{font-size:17px;font-weight:700;color:#fff;margin:12px 0 8px}
.compare-item p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.7)}
.lime-pill{
  display:inline-block;border:1px solid rgba(23,214,176,.6);color:#17D6B0;
  border-radius:999px;padding:3px 12px;font-size:12px;font-weight:700;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.step-num{
  width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:8px}
.step p{font-size:15px;line-height:1.7;color:var(--muted)}

/* ---------- 精选卡 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pick-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.pick-thumb{aspect-ratio:16/9;overflow:hidden;background:#FFECF1}
.pick-thumb img{width:100%;height:100%;object-fit:cover}
.pick-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.tag{
  display:inline-block;align-self:flex-start;padding:4px 14px;border-radius:999px;
  background:#FFECF1;color:#8A2143;font-size:13px;font-weight:600;
}
.pick-body h3{font-size:18px;font-weight:700;line-height:1.45}
.pick-body p{font-size:15px;line-height:1.7;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item:hover{border-color:rgba(255,62,108,.28)}
.faq-item.open{box-shadow:var(--shadow-hover)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--purple)}
.faq-item.open .faq-q{color:var(--coral)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;border:1px solid rgba(255,62,108,.35);
  display:flex;align-items:center;justify-content:center;color:var(--coral);
  font-size:16px;font-weight:700;line-height:1;transition:transform .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;background:var(--ink);color:#fff;padding:80px 0;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-160px;top:-160px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,62,108,.9),rgba(255,62,108,0) 70%);opacity:.08;pointer-events:none;
}
.cta-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center;position:relative;z-index:1}
.cta-grid h2{font-size:32px;line-height:1.3;font-weight:800;color:#fff;margin-bottom:14px}
.cta-grid p{font-size:16px;line-height:1.8;color:rgba(255,255,255,.74);max-width:480px}
.cta-form{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:end;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-lg);padding:26px;
}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;color:rgba(255,255,255,.66)}
.field input,.field select{
  height:48px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;padding:0 16px;outline:0;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:rgba(255,255,255,.42)}
.field select option{color:#1E1B2E}
.field input:focus,.field select:focus{border-color:var(--coral);box-shadow:0 0 0 4px rgba(255,62,108,.18)}
.cta-form .btn{grid-column:1 / -1;width:100%}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:72px 0 28px;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;left:50%;top:0;width:900px;height:220px;transform:translateX(-50%);
  background:radial-gradient(ellipse at top,rgba(123,77,255,.5),rgba(123,77,255,0) 70%);opacity:.08;pointer-events:none;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;position:relative;z-index:1}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.64);max-width:320px}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col li,.footer-col a{font-size:14px;color:rgba(255,255,255,.68);line-height:1.7}
.footer-col a{transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding-top:20px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:rgba(255,255,255,.56);position:relative;z-index:1;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-grid h1{font-size:36px}
}
@media (max-width:1023px){
  .container{padding:0 20px}
  .nav-top{height:70px;gap:16px}
  .search-wrap{min-width:0;flex:1 1 auto;max-width:none}
  .section{padding:72px 0}
  .cat-hero{padding:44px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{max-width:640px}
  .grid-2{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .compare-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .dark-band,.cta-band{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .nav-top{height:64px;gap:12px}
  .brand{font-size:16px}
  .brand-suffix{display:none}
  .search-wrap{display:none}
  .search-toggle{display:inline-flex}
  .site-header.search-open .search-wrap{
    display:block;position:absolute;left:0;right:0;top:10px;margin:0;max-width:none;z-index:8;
  }
  .nav-link{display:none}
  .section{padding:56px 0}
  .dark-band,.cta-band{padding:56px 0}
  .cat-hero{padding:32px 0 52px}
  .hero-grid h1{font-size:30px}
  .hero-lead{font-size:16px}
  .section-head h2{font-size:28px}
  .cta-grid h2{font-size:26px}
  .grid-2,.grid-3,.compare-grid,.steps{grid-template-columns:1fr}
  .card,.topic-card,.pick-card{box-shadow:var(--shadow-sm)}
  .topic-card:hover,.pick-card:hover,.step:hover,.compare-item:hover{transform:none}
  .topic-body{padding:20px}
  .pick-body{padding:20px}
  .compare-num{font-size:32px}
  .faq-q{font-size:16px;padding:18px 20px}
  .faq-a-inner{padding:0 20px 20px}
  .cta-form{grid-template-columns:1fr;padding:22px}
  .cta-form .btn{grid-column:auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:56px 0 24px}
  .footer-bottom{flex-direction:column;gap:8px;margin-top:36px}
}
@media (max-width:519px){
  .container{padding:0 16px}
  .hero-grid h1{font-size:26px}
  .badge-row{gap:10px}
  .stat-badge{padding:8px 14px;font-size:12px}
  .stat-badge b{font-size:18px}
  .hero-cta .btn{width:100%}
  .btn{height:44px;font-size:15px;padding:0 22px}
}

/* roulang page: category1 */
:root{
  --brand:#FF3E6C;
  --brand-2:#7B4DFF;
  --lime:#17D6B0;
  --ink-dark:#1B1436;
  --bg:#FFF7F4;
  --card:#FFFFFF;
  --ink:#1E1B2E;
  --muted:#6B6580;
  --line:rgba(27,20,54,0.08);
  --line-strong:rgba(27,20,54,0.14);
  --grad:linear-gradient(135deg,#FF3E6C 0%,#7B4DFF 100%);
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-1:0 4px 16px rgba(27,20,54,0.06);
  --shadow-2:0 12px 32px rgba(255,62,108,0.16);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select{font:inherit;}
h1,h2,h3,p,ul,ol,figure{margin:0;}
ul{padding:0;list-style:none;}
.container{width:min(var(--container),100% - 48px);margin-inline:auto;}
.num{font-variant-numeric:tabular-nums;font-weight:800;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,247,244,0.96);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
  backdrop-filter:blur(6px);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,0.94);
  box-shadow:0 8px 24px rgba(27,20,54,0.08);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  padding-top:14px;padding-bottom:12px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;line-height:1;
  box-shadow:0 6px 16px rgba(255,62,108,0.28);
}
.brand-text{font-weight:800;font-size:17px;letter-spacing:-0.01em;white-space:nowrap;}
.brand-text-short{display:none;font-weight:800;font-size:17px;white-space:nowrap;}

.search-box{
  position:relative;display:flex;align-items:center;gap:8px;
  flex:1 1 auto;min-width:320px;max-width:640px;height:48px;
  margin-inline:auto;
  background:#fff;border:1px solid var(--line-strong);border-radius:999px;
  padding:0 6px 0 18px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.search-box:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(255,62,108,0.18);
  transform:scale(1.01);
}
.search-box .icon{width:20px;height:20px;flex:0 0 auto;color:var(--brand);}
.search-box input{
  flex:1 1 auto;min-width:0;border:0;outline:none;background:transparent;
  font-size:15px;color:var(--ink);height:100%;
}
.search-box input::placeholder{color:#9A94AC;}
.search-btn{
  flex:0 0 auto;height:40px;padding:0 20px;border-radius:999px;
  background:var(--grad);background-size:160% 160%;background-position:0% 50%;
  color:#fff;font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
  transition:background-position .35s ease,box-shadow .25s ease,transform .2s ease;
}
.search-btn:hover{background-position:100% 50%;box-shadow:0 8px 20px rgba(255,62,108,0.28);}
.search-btn:active{transform:translateY(1px);}
.search-btn:focus-visible{outline:3px solid rgba(123,77,255,0.35);outline-offset:2px;}

.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.text-link{font-size:15px;color:var(--muted);font-weight:500;}
.text-link:hover{color:var(--brand-2);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:0.01em;
  transition:transform .2s ease,box-shadow .25s ease,background-position .35s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn:focus-visible{outline:3px solid rgba(123,77,255,0.35);outline-offset:2px;}
.btn-primary{
  background:var(--grad);background-size:160% 160%;background-position:0% 50%;color:#fff;
  box-shadow:0 8px 22px rgba(255,62,108,0.22);
}
.btn-primary:hover{background-position:100% 50%;box-shadow:var(--shadow-2);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:#fff;border:1px solid var(--brand);color:var(--brand);
}
.btn-ghost:hover{background:#FFECF1;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-light{background:#fff;color:var(--brand);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,0.22);}

/* ---------- Chips ---------- */
.chip-bar{
  display:flex;align-items:center;gap:10px;
  padding:4px 0 14px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.chip-bar::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  padding:8px 18px;border-radius:999px;
  background:#FFECF1;color:var(--ink);
  font-size:14px;font-weight:500;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.chip:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(255,62,108,0.16);color:var(--brand);}
.chip-active{background:var(--grad);color:#fff;font-weight:600;box-shadow:0 8px 18px rgba(255,62,108,0.24);}
.chip-active:hover{color:#fff;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:56px 0 80px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:0.08;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;top:-120px;right:-80px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(255,62,108,0.10) 0%,rgba(255,62,108,0) 70%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.crumb{font-size:13px;color:var(--muted);margin-bottom:20px;}
.crumb a:hover{color:var(--brand-2);}
.crumb span.sep{margin:0 8px;color:#C4BFD2;}
.hero-grid{
  display:grid;grid-template-columns:1.05fr 0.95fr;gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;color:var(--brand);
  letter-spacing:0.06em;margin-bottom:16px;
}
.eyebrow::before{
  content:"";width:4px;height:16px;border-radius:2px;background:var(--grad);
}
.hero h1{
  font-size:clamp(32px,4vw,42px);
  line-height:1.25;letter-spacing:-0.01em;font-weight:800;
  margin-bottom:16px;
}
.grad-text{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero-sub{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.badge-row{display:flex;flex-wrap:wrap;gap:14px;}
.stat-badge{
  background:#fff;border:1px solid rgba(23,214,176,0.5);
  border-radius:999px;padding:8px 18px;
  display:inline-flex;align-items:baseline;gap:8px;
  box-shadow:var(--shadow-1);
}
.stat-badge .num{font-size:19px;color:var(--ink);}
.stat-badge .unit{font-size:13px;color:var(--muted);}
.hero-figure{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:4/3;box-shadow:0 18px 40px rgba(27,20,54,0.14);
  border:1px solid var(--line);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure .tag-float{
  position:absolute;left:16px;bottom:16px;
  background:rgba(255,255,255,0.94);border-radius:999px;
  padding:8px 16px;font-size:13px;font-weight:600;color:var(--ink);
  box-shadow:0 8px 20px rgba(27,20,54,0.14);
}
.hero-figure .tag-float i{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--lime);margin-right:8px;
}

/* ---------- Section base ---------- */
.section{padding:96px 0;}
.section-tight{padding:64px 0 96px;}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{
  font-size:clamp(24px,3vw,32px);line-height:1.3;letter-spacing:-0.01em;
  font-weight:800;margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:16px;}
.band-soft{background:#FFF1EC;}

/* ---------- Alternating cards ---------- */
.alt-list{display:flex;flex-direction:column;gap:28px;}
.alt-card{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease;
}
.alt-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.alt-card.reverse .alt-media{order:2;}
.alt-media{
  position:relative;border-radius:var(--radius-md);overflow:hidden;
  aspect-ratio:16/9;background:#FFF1EC;
}
.alt-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.alt-card:hover .alt-media img{transform:scale(1.03);}
.alt-body{padding-inline:8px;}
.alt-body h3{font-size:20px;font-weight:700;margin-bottom:12px;}
.alt-body p{font-size:15px;line-height:1.7;color:var(--muted);margin-bottom:16px;}
.link-arrow{
  font-size:15px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
}
.link-arrow::after{content:"→";transition:transform .2s ease;}
.link-arrow:hover{color:var(--brand-2);text-decoration:underline;text-underline-offset:4px;}
.link-arrow:hover::after{transform:translateX(4px);}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:28px 24px;box-shadow:var(--shadow-1);position:relative;
  transition:transform .25s ease,box-shadow .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step-num{
  width:44px;height:44px;border-radius:999px;background:var(--grad);
  color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
  box-shadow:0 8px 18px rgba(255,62,108,0.24);
}
.step-card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.step-card p{font-size:15px;line-height:1.7;color:var(--muted);}

/* ---------- Anchor / value band ---------- */
.anchor-bar{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px;
}
.anchor-pill{
  padding:9px 20px;border-radius:999px;background:#fff;
  border:1px solid var(--line);font-size:14px;color:var(--muted);font-weight:500;
  transition:transform .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.anchor-pill:hover{transform:translateY(-2px);color:var(--brand);border-color:rgba(255,62,108,0.4);box-shadow:0 8px 18px rgba(255,62,108,0.14);}
.value-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:stretch;}
.value-main{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:36px 32px;overflow:hidden;
  box-shadow:var(--shadow-1);
}
.value-main::before{
  content:"";position:absolute;top:0;left:0;right:0;height:5px;background:var(--grad);
}
.value-main h3{font-size:22px;font-weight:800;margin:14px 0 14px;line-height:1.4;}
.value-main p{font-size:15px;line-height:1.75;color:var(--muted);margin-bottom:22px;}
.value-list{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:12px 32px;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;justify-content:center;
}
.value-item{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line);}
.value-item:last-child{border-bottom:0;}
.value-item .vi-icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;
  background:#FFECF1;color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;
}
.value-item h4{font-size:18px;font-weight:700;margin-bottom:6px;}
.value-item p{font-size:15px;line-height:1.7;color:var(--muted);}

/* ---------- Dark band ---------- */
.dark-panel{
  position:relative;overflow:hidden;
  background:var(--ink-dark);border-radius:32px;
  padding:56px 48px;color:#fff;
}
.dark-panel::after{
  content:"";position:absolute;top:-140px;right:-100px;width:480px;height:480px;
  background:radial-gradient(circle,rgba(123,77,255,0.28) 0%,rgba(123,77,255,0) 70%);
  pointer-events:none;
}
.dark-panel .eyebrow{color:#FFB3C6;}
.dark-panel .eyebrow::before{background:var(--grad);}
.dark-panel h2{font-size:clamp(24px,3vw,30px);font-weight:800;line-height:1.3;margin-bottom:14px;}
.dark-panel .lead{color:rgba(255,255,255,0.74);font-size:16px;max-width:640px;margin-bottom:40px;position:relative;z-index:2;}
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;z-index:2;}
.spec-card{
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.10);
  border-radius:var(--radius-md);padding:24px 20px;
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.spec-card:hover{transform:translateY(-4px);border-color:rgba(23,214,176,0.55);background:rgba(255,255,255,0.08);}
.spec-card .num{font-size:28px;color:var(--lime);display:block;line-height:1.2;}
.spec-card .label{font-size:14px;color:rgba(255,255,255,0.72);margin-top:8px;display:block;}
.spec-note{
  margin-top:32px;font-size:14px;color:rgba(255,255,255,0.6);
  border-top:1px solid rgba(255,255,255,0.10);padding-top:20px;position:relative;z-index:2;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin-inline:auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  margin-bottom:16px;overflow:hidden;box-shadow:var(--shadow-1);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item.is-open{border-color:rgba(255,62,108,0.35);box-shadow:0 12px 30px rgba(255,62,108,0.12);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-icon{
  position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:#FFECF1;transition:transform .2s ease,background .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  top:50%;left:50%;transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;transition:transform .2s ease;}
.faq-item.is-open .faq-icon{background:var(--grad);}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#fff;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- CTA ---------- */
.cta-panel{
  background:var(--ink-dark);border-radius:32px;padding:56px 48px;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  position:relative;overflow:hidden;color:#fff;
}
.cta-panel::after{
  content:"";position:absolute;bottom:-160px;left:-100px;width:460px;height:460px;
  background:radial-gradient(circle,rgba(255,62,108,0.22) 0%,rgba(255,62,108,0) 70%);
  pointer-events:none;
}
.cta-panel h2{font-size:clamp(24px,3vw,30px);font-weight:800;line-height:1.32;margin-bottom:14px;position:relative;z-index:2;}
.cta-panel p{color:rgba(255,255,255,0.72);font-size:15px;position:relative;z-index:2;}
.cta-form{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;color:rgba(255,255,255,0.6);}
.field input,.field select{
  height:48px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,0.18);
  background:rgba(255,255,255,0.06);color:#fff;padding:0 16px;font-size:15px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field select option{color:#1E1B2E;}
.field input::placeholder{color:rgba(255,255,255,0.42);}
.field input:focus,.field select:focus{
  border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,62,108,0.22);
  background:rgba(255,255,255,0.1);
}
.cta-form .btn{grid-column:1 / -1;width:100%;}
.form-tip{grid-column:1 / -1;font-size:13px;color:rgba(255,255,255,0.5);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-dark);color:rgba(255,255,255,0.72);margin-top:96px;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;font-weight:800;font-size:17px;}
.footer-brand .logo-mark{width:34px;height:34px;font-size:16px;border-radius:10px;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,0.6);max-width:300px;}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-col li{font-size:14px;margin-bottom:12px;color:rgba(255,255,255,0.6);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,0.10);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,0.5);
}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .header-inner{flex-wrap:wrap;row-gap:12px;}
  .search-box{order:3;flex:1 1 100%;max-width:none;min-width:0;}
  .hero{padding:40px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure{max-width:620px;}
  .alt-card{grid-template-columns:1fr;gap:24px;}
  .alt-card.reverse .alt-media{order:0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .value-grid{grid-template-columns:1fr;}
  .spec-grid{grid-template-columns:repeat(2,1fr);}
  .cta-panel{grid-template-columns:1fr;gap:32px;padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  .container{width:min(var(--container),100% - 32px);}
  .brand-text{display:none;}
  .brand-text-short{display:inline;}
  .header-actions{gap:12px;}
  .header-actions .text-link{display:none;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .btn{height:44px;padding:0 22px;font-size:15px;}
  .search-box{height:44px;padding-left:14px;}
  .search-btn{height:36px;padding:0 14px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .steps{grid-template-columns:1fr;}
  .spec-grid{grid-template-columns:1fr;}
  .dark-panel{padding:36px 24px;border-radius:24px;}
  .cta-panel{padding:36px 24px;border-radius:24px;}
  .cta-form{grid-template-columns:1fr;}
  .alt-card{padding:20px;}
  .value-main,.value-list{padding:24px 20px;}
  .value-list{padding-top:8px;padding-bottom:8px;}
  .faq-q{padding:18px 20px;font-size:16px;}
  .faq-a p{padding:0 20px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .site-footer{padding:48px 0 24px;margin-top:64px;}
}