/* roulang page: index */
/* ============ 设计令牌 ============ */
:root{
  --ink:#1B1235;
  --ink-2:#4A3F6B;
  --ink-3:#7C7396;
  --line:#E6E1F2;
  --brand:#6C3BFF;
  --brand-dark:#3A1D8F;
  --brand-deep:#2A1A5C;
  --brand-soft:#EDE7FF;
  --accent:#FF6B2C;
  --accent-soft:#FFEDE4;
  --teal:#12B8A6;
  --teal-dark:#0E8A7C;
  --teal-soft:#E1F7F4;
  --bg:#F7F5FB;
  --card:#FFFFFF;
  --muted-row:#FAF8FF;
  --grad-brand:linear-gradient(135deg,#3A1D8F 0%,#6C3BFF 48%,#FF6B2C 118%);
  --grad-night:linear-gradient(165deg,#1B1235 0%,#2A1A5C 55%,#3A1D8F 100%);
  --grad-soft:linear-gradient(180deg,#FFFFFF 0%,#F3EFFF 100%);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(27,18,53,.06);
  --sh-2:0 12px 28px -16px rgba(27,18,53,.28);
  --sh-3:0 26px 60px -30px rgba(58,29,143,.45);
  --sh-accent:0 14px 28px -14px rgba(255,107,44,.55);
  --max:1200px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;font-weight:800;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
img{max-width:100%;display:block;border:0;background:var(--brand-soft);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,button{font-size:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ============ 容器与通用 ============ */
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:36px;max-width:760px;}
.section-head .tag{display:inline-block;margin-bottom:12px;}
.section-head h2{font-size:clamp(24px,2.4vw,32px);margin-bottom:10px;}
.section-head p{font-size:15px;color:var(--ink-3);line-height:1.8;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head-row .section-head{margin-bottom:0;}

/* ============ 标签 / 徽章 / 药丸 ============ */
.tag{
  display:inline-block;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  line-height:1.6;
}
.pill{
  display:inline-block;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  line-height:1.7;
  background:var(--brand-soft);
  color:var(--brand);
}
.pill-teal{background:var(--teal-soft);color:var(--teal-dark);}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 12px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  line-height:1.6;
  background:var(--brand-soft);
  color:var(--brand);
}
.badge b{font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;}
.badge-teal{background:var(--teal-soft);color:var(--teal-dark);}
.badge-ghost{background:rgba(255,255,255,.14);color:#fff;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-accent);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 18px 32px -14px rgba(255,107,44,.7);color:#fff;}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-white{background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.4);}
.btn-white:hover{background:rgba(255,255,255,.14);transform:translateY(-1px);color:#fff;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-size:14px;
  font-weight:600;
  transition:gap .18s ease,color .18s ease;
}
.btn-text:hover{gap:10px;text-decoration:underline;text-underline-offset:4px;}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:24px;height:24px;border-radius:8px;
  background:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;flex-shrink:0;
}
.logo-mark svg{width:14px;height:14px;}
.logo-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.01em;}
.logo-badge{
  padding:2px 8px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:11px;
  font-weight:700;
  line-height:1.8;
}
.nav-main{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  padding:6px 0;
  transition:color .18s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;bottom:-2px;
  width:20px;height:3px;
  border-radius:var(--r-pill);
  background:var(--grad-brand);
  transform:translateX(-50%) scaleX(0);
  opacity:0;
  transition:opacity .18s ease,transform .18s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{opacity:.5;transform:translateX(-50%) scaleX(1);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{opacity:1;transform:translateX(-50%) scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  position:relative;
  width:200px;
  flex-shrink:0;
}
.search-box svg{
  position:absolute;
  left:12px;top:50%;
  transform:translateY(-50%);
  width:15px;height:15px;
  color:var(--ink-3);
  pointer-events:none;
}
.search-box input{
  width:100%;
  height:38px;
  padding:0 14px 0 34px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  background:#F1EDFA;
  color:var(--ink);
  font-size:14px;
  outline:none;
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box input:focus{background:#fff;border-color:var(--brand);box-shadow:var(--sh-1);}
.hamburger{
  display:none;
  width:40px;height:40px;
  border-radius:var(--r-s);
  border:1px solid var(--line);
  align-items:center;justify-content:center;
  color:var(--ink);
}
.hamburger svg{width:18px;height:18px;}
.mobile-drawer{
  display:none;
  position:fixed;
  inset:72px 0 0 0;
  background:#fff;
  z-index:88;
  padding:16px 24px 32px;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:flex;
  align-items:center;
  height:56px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.active{color:var(--brand);}
.mobile-drawer .drawer-cta{
  margin-top:24px;
  display:flex;
  width:100%;
  height:46px;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-pill);
  background:var(--grad-brand);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:var(--sh-accent);
}
body.no-scroll{overflow:hidden;}

/* ============ 星野纹理 ============ */
.starry{position:relative;overflow:hidden;isolation:isolate;}
.starry::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(circle,rgba(255,255,255,.75) 1px,transparent 1.3px),
    radial-gradient(circle,rgba(255,255,255,.5) 1.2px,transparent 1.6px);
  background-size:130px 130px,210px 210px;
  background-position:0 0,64px 84px;
  opacity:.16;
  pointer-events:none;
  z-index:0;
}
.starry > *{position:relative;z-index:1;}

/* ============ Hero ============ */
.hero{
  background:var(--grad-night);
  color:#fff;
  padding:88px 0;
}
.hero-grid{
  display:grid;
  grid-template-columns:52% 48%;
  gap:48px;
  align-items:center;
}
.hero .tag{background:rgba(255,255,255,.12);color:#EADFFF;}
.hero h1{
  color:#fff;
  font-size:clamp(30px,3.4vw,46px);
  line-height:1.22;
  margin:16px 0 18px;
  letter-spacing:-.01em;
}
.hero h1 .hl{
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:#B79CFF;
}
.hero-sub{
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.78);
  max-width:520px;
  margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px;}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;}
.hero-visual{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  height:380px;
  box-shadow:var(--sh-3);
  background:var(--brand-deep);
}
.hero-visual img{
  width:100%;height:100%;
  object-fit:cover;
  opacity:.62;
}
.hero-visual::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(165deg,rgba(27,18,53,.72) 0%,rgba(42,26,92,.45) 55%,rgba(58,29,143,.72) 100%);
}
.hero-float{
  position:absolute;
  right:18px;bottom:18px;
  width:220px;
  background:#fff;
  border-radius:var(--r-l);
  box-shadow:var(--sh-3);
  padding:16px 18px;
  z-index:3;
}
.hero-float .num{
  font-size:22px;font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;
  line-height:1.4;
}
.hero-float .num span{font-size:13px;font-weight:600;color:var(--ink-3);margin-left:2px;}
.hero-float .desc{font-size:12px;color:var(--ink-3);line-height:1.7;margin-top:2px;}

/* ============ 权益对比 ============ */
.compare-wrap{
  background:#fff;
  border-radius:var(--r-xl);
  box-shadow:var(--sh-3);
  padding:24px;
  border:1px solid var(--line);
}
.compare-head{
  display:grid;
  grid-template-columns:32% 1fr 1fr 1fr;
  gap:16px;
  align-items:end;
  margin-bottom:16px;
}
.compare-corner{
  font-size:13px;
  font-weight:600;
  color:var(--ink-3);
  padding:0 8px 12px;
  line-height:1.7;
}
.tier-card{
  position:relative;
  border-radius:var(--r-l);
  border:1px solid var(--line);
  background:var(--grad-soft);
  padding:22px 20px;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease;
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.tier-card.hot{
  border:2px solid transparent;
  background:
    linear-gradient(#fff,#fff) padding-box,
    var(--grad-brand) border-box;
  box-shadow:var(--sh-3);
  transform:translateY(-8px);
}
.tier-card.hot:hover{transform:translateY(-12px);}
.tier-flag{
  position:absolute;
  top:-12px;left:50%;
  transform:translateX(-50%);
  padding:3px 14px;
  border-radius:var(--r-pill);
  background:var(--grad-brand);
  color:#fff;
  font-size:11px;
  font-weight:700;
  letter-spacing:.06em;
  white-space:nowrap;
  box-shadow:var(--sh-accent);
}
.tier-name{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.tier-price{
  font-size:28px;font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;
  line-height:1.25;
}
.tier-price small{font-size:13px;font-weight:600;color:var(--ink-3);margin-left:4px;}
.tier-note{font-size:13px;color:var(--ink-3);line-height:1.7;margin:6px 0 14px;min-height:44px;}
.tier-card .btn{width:100%;}
.tier-features{display:none;margin-top:16px;}
.tier-features li{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:14px;
  color:var(--ink-2);
  padding:9px 0;
  border-bottom:1px dashed var(--line);
}
.tier-features li:last-child{border-bottom:0;}

.compare-body{border-top:1px solid var(--line);padding-top:8px;}
.compare-row{
  display:grid;
  grid-template-columns:32% 1fr 1fr 1fr;
  gap:16px;
  align-items:center;
  min-height:56px;
  border-radius:12px;
  padding:0 8px;
  border:1px solid transparent;
  transition:border-color .18s ease,background .18s ease;
}
.compare-row:nth-child(odd){background:var(--muted-row);}
.compare-row:hover{border-color:var(--brand-soft);}
.row-label{font-size:15px;font-weight:500;color:var(--ink);}
.row-cell{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--ink-2);
  font-variant-numeric:tabular-nums;
}
.check{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:18px;height:18px;
  flex-shrink:0;
  border-radius:50%;
  background:var(--teal);
  color:#fff;
}
.check svg{width:11px;height:11px;}
.dash{color:#CFC8E4;font-size:14px;font-weight:700;}

/* ============ 等级亮点 ============ */
.highlight-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.hl-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease;
}
.hl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.hl-card.lift{transform:translateY(-6px);box-shadow:var(--sh-3);}
.hl-card.lift:hover{transform:translateY(-10px);}
.hl-icon{
  width:44px;height:44px;
  border-radius:14px;
  background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  color:#fff;
  margin-bottom:18px;
}
.hl-icon svg{width:20px;height:20px;}
.hl-card h3{font-size:20px;font-weight:700;margin-bottom:8px;}
.hl-card .hl-desc{font-size:15px;color:var(--ink-2);line-height:1.85;margin-bottom:16px;min-height:56px;}
.hl-badges{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px;}

/* ============ 内容卡片 ============ */
.card-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card-cover{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--brand-soft);
}
.card-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.card:hover .card-cover img{transform:scale(1.04);}
.card-corner{
  position:absolute;
  top:12px;left:12px;
  padding:3px 10px;
  border-radius:var(--r-pill);
  background:rgba(27,18,53,.72);
  color:#fff;
  font-size:12px;
  font-weight:600;
  line-height:1.7;
  backdrop-filter:blur(2px);
}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-ex{
  font-size:14px;
  color:var(--ink-3);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:8px;
}
.card-time{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;}

/* ============ 最新信息（CMS） ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;
  flex-direction:column;
  gap:10px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:22px 22px 20px;
  box-shadow:var(--sh-1);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-soft);}
.news-title{
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-ex{
  font-size:14px;
  color:var(--ink-3);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:10px;
  border-top:1px solid var(--line);
}
.news-time{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;}
.news-arrow{color:var(--brand);font-size:15px;font-weight:700;transition:transform .18s ease;}
.news-card:hover .news-arrow{transform:translateX(4px);}
.empty-state{
  grid-column:1 / -1;
  border:1px dashed var(--line);
  border-radius:var(--r-l);
  padding:48px 24px;
  text-align:center;
  background:var(--card);
}
.empty-icon{
  display:inline-flex;
  align-items:center;justify-content:center;
  width:44px;height:44px;
  border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:18px;
  margin-bottom:14px;
}
.empty-state p{font-size:14px;color:var(--ink-3);margin-bottom:12px;}

/* ============ 流程 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  counter-reset:step;
}
.step{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-no{
  display:inline-flex;
  align-items:center;justify-content:center;
  width:34px;height:34px;
  border-radius:var(--r-s);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:14px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-3);line-height:1.85;}

/* ============ FAQ ============ */
.faq-list{max-width:880px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-m);
  padding:20px 24px;
  margin-bottom:12px;
  box-shadow:var(--sh-1);
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
  position:relative;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  line-height:1.7;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .arrow{
  flex-shrink:0;
  width:20px;height:20px;
  display:inline-flex;
  align-items:center;justify-content:center;
  color:var(--ink-3);
  transition:transform .2s ease,color .2s ease;
}
.faq-item[open]{
  background:var(--muted-row);
  box-shadow:var(--sh-2);
  border-color:var(--brand-soft);
}
.faq-item[open] summary .arrow{transform:rotate(180deg);color:var(--brand);}
.faq-item[open]::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:var(--r-pill);
  background:var(--grad-brand);
}
.faq-answer{
  font-size:15px;
  line-height:1.9;
  color:var(--ink-2);
  padding-top:12px;
}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--grad-night);
  border-radius:var(--r-xl);
  padding:48px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  color:#fff;
  box-shadow:var(--sh-3);
}
.cta-band .tag{background:rgba(255,255,255,.14);color:#fff;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.2vw,28px);margin:14px 0 10px;line-height:1.35;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.78);line-height:1.8;max-width:560px;}
.cta-side{flex-shrink:0;text-align:center;}
.cta-side .hint{font-size:13px;color:rgba(255,255,255,.6);margin-top:10px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--grad-night);
  color:#fff;
  padding:64px 0 24px;
  margin-top:80px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-badge{background:rgba(255,255,255,.14);color:#fff;}
.footer-desc{
  font-size:14px;
  line-height:2;
  color:rgba(255,255,255,.72);
  margin:16px 0 18px;
  max-width:320px;
}
.footer-badges{display:flex;gap:8px;flex-wrap:wrap;}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:rgba(255,255,255,.9);
  margin-bottom:14px;
}
.footer-col li{margin-bottom:2px;}
.footer-col a{
  position:relative;
  display:inline-block;
  font-size:14px;
  line-height:2.2;
  color:rgba(255,255,255,.72);
  padding-left:0;
  transition:color .18s ease,padding-left .18s ease;
}
.footer-col a::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:2px;height:0;
  background:var(--accent);
  border-radius:var(--r-pill);
  transform:translateY(-50%);
  transition:height .18s ease;
}
.footer-col a:hover{color:#fff;padding-left:10px;}
.footer-col a:hover::before{height:14px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:20px;
  font-size:13px;
  color:rgba(255,255,255,.55);
  flex-wrap:wrap;
}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .card-grid-4{gap:20px;}
  .search-box{width:170px;}
}
@media (max-width:991px){
  .nav-main{display:none;}
  .search-box{display:none;}
  .hamburger{display:inline-flex;}
  .section{padding:64px 0;}
  .hero{padding:64px 0;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual{height:300px;}
  .hero-sub{max-width:none;}
  .compare-head,.compare-body{display:none;}
  .compare-wrap{padding:16px;background:transparent;border:0;box-shadow:none;}
  .tier-grid-mobile{display:grid;grid-template-columns:1fr;gap:20px;}
  .tier-card.hot{transform:none;}
  .tier-card.hot:hover{transform:translateY(-4px);}
  .tier-features{display:block;}
  .highlight-grid{grid-template-columns:1fr;}
  .hl-card.lift{transform:none;}
  .card-grid-4{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 28px;}
  .cta-side{text-align:left;width:100%;}
  .cta-side .btn{width:100%;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .hero{padding:56px 0;}
  .hero-visual{height:260px;}
  .hero-float{position:static;width:100%;margin-top:0;border-radius:0 0 var(--r-xl) var(--r-xl);box-shadow:none;}
  .hero-float-wrap{position:absolute;left:0;right:0;bottom:0;z-index:3;}
  .section-head h2{font-size:24px;}
  .compare-wrap .tier-card{padding:20px 18px;}
  .cta-band{padding:32px 22px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:575px){
  .container{padding:0 18px;}
  .header-inner{height:64px;gap:12px;}
  .mobile-drawer{inset:64px 0 0 0;}
  .logo-text{font-size:16px;}
  .logo-badge{display:none;}
  .hero h1{font-size:28px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-badges{gap:8px;}
  .card-grid-4,.news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-side .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --ink:#1B1235;--ink-2:#4A3F6B;--ink-3:#7C7396;--line:#E6E1F2;
  --brand:#6C3BFF;--brand-dark:#3A1D8F;--brand-deep:#2A1A5C;--brand-soft:#EDE7FF;
  --accent:#FF6B2C;--accent-soft:#FFEDE4;
  --teal:#12B8A6;--teal-soft:#E1F7F4;
  --bg:#F7F5FB;--card:#FFFFFF;--muted-row:#FAF8FF;
  --grad-brand:linear-gradient(135deg,#3A1D8F 0%,#6C3BFF 48%,#FF6B2C 118%);
  --grad-night:linear-gradient(165deg,#1B1235 0%,#2A1A5C 55%,#3A1D8F 100%);
  --grad-soft:linear-gradient(180deg,#FFFFFF 0%,#F3EFFF 100%);
  --r-s:10px;--r-m:16px;--r-l:24px;--r-xl:32px;--r-pill:999px;
  --sh-1:0 2px 8px rgba(27,18,53,.06);
  --sh-2:0 12px 28px -16px rgba(27,18,53,.28);
  --sh-3:0 26px 60px -30px rgba(58,29,143,.45);
  --sh-accent:0 14px 28px -14px rgba(255,107,44,.55);
  --font: "PingFang SC","HarmonyOS Sans","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink-2);font-family:var(--font);
  font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
img{max-width:100%;display:block;border:0}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.starry{position:relative;background-image:radial-gradient(1.6px 1.6px at 18% 22%,rgba(255,255,255,.18) 50%,transparent 51%),radial-gradient(1.2px 1.2px at 72% 38%,rgba(255,255,255,.14) 50%,transparent 51%),radial-gradient(1.4px 1.4px at 44% 74%,rgba(255,255,255,.12) 50%,transparent 51%),radial-gradient(1px 1px at 88% 82%,rgba(255,255,255,.16) 50%,transparent 51%),var(--grad-night);}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:120;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{height:72px;display:flex;align-items:center;gap:24px}
.logo{display:inline-flex;align-items:center;gap:8px;flex-shrink:0}
.logo-mark{width:24px;height:24px;border-radius:8px;background:var(--grad-brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.logo-mark svg{width:15px;height:15px}
.logo-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.02em}
.logo-badge{font-size:11px;font-weight:600;color:var(--brand);background:var(--brand-soft);border-radius:var(--r-pill);padding:3px 9px;line-height:1.4}
.nav-main{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ink-2);padding:6px 0;line-height:1.6}
.nav-link::after{content:"";position:absolute;left:50%;bottom:-2px;width:20px;height:3px;border-radius:var(--r-pill);background:var(--grad-brand);transform:translateX(-50%) scaleX(0);transform-origin:center;transition:transform .18s ease}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after,.nav-link.active::after{transform:translateX(-50%) scaleX(1)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{position:relative}
.nav-search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:15px;height:15px;color:var(--ink-3);pointer-events:none}
.nav-search input{width:200px;height:38px;border:1px solid transparent;background:#F1EDFA;border-radius:var(--r-pill);padding:0 16px 0 34px;font-size:14px;color:var(--ink);transition:all .18s ease}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 2px rgba(108,59,255,.18)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;white-space:nowrap}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-accent)}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:0 18px 34px -14px rgba(255,107,44,.68)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px -12px rgba(255,107,44,.6)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-text{height:auto;padding:0;background:none;border:0;color:var(--brand);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--r-s);border:1px solid var(--line);background:#fff;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{position:fixed;inset:0;z-index:200;background:#fff;display:none;flex-direction:column;padding:20px 24px 32px;overflow-y:auto}
.mobile-drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:var(--r-s);border:1px solid var(--line);background:#fff;color:var(--ink);font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center}
.drawer-links{display:flex;flex-direction:column;padding:8px 0}
.drawer-links a{font-size:16px;font-weight:500;color:var(--ink-2);line-height:56px;border-bottom:1px solid var(--line)}
.drawer-links a.active{color:var(--brand);font-weight:600}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.drawer-actions .btn{width:100%}
body.no-scroll{overflow:hidden}

/* ============ 面包屑 ============ */
.crumb{padding-top:24px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#CFC8E4}
.crumb .current{color:var(--ink);font-weight:500}

/* ============ 文章布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 320px;gap:48px;align-items:start;padding:32px 0 72px}
.article-main{min-width:0}
.tag-pill{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.02em}
.article-head h1{font-size:clamp(26px,2.6vw,36px);line-height:1.28;margin:16px 0 0;word-break:break-word}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.article-meta .dot{width:1px;height:12px;background:#D9D2EA;display:inline-block}
.article-divider{height:1px;background:var(--line);margin:24px 0 32px;border:0}

/* ============ 正文排版 ============ */
.article-body{font-size:16px;line-height:1.9;color:var(--ink-2);word-break:break-word}
.article-body p{margin:0 0 18px}
.article-body h2{font-size:24px;font-weight:700;color:var(--ink);margin:40px 0 16px;padding-left:12px;border-left:4px solid transparent;border-image:var(--grad-brand) 1;line-height:1.4}
.article-body h3{font-size:20px;font-weight:600;color:var(--ink);margin:32px 0 12px;line-height:1.45}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body li::marker{color:var(--brand)}
.article-body blockquote{margin:24px 0;padding:20px 24px;background:var(--brand-soft);border-left:4px solid var(--accent);border-radius:var(--r-m);color:var(--ink-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-m);margin:24px 0 8px;width:100%;height:auto}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{font-weight:600}
.article-body table{width:100%;border-collapse:collapse;font-size:14px}
.article-body pre,.article-body .table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-m);padding:16px;background:#fff;margin:24px 0}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;background:var(--muted-row);padding:2px 6px;border-radius:6px}
.article-body strong{color:var(--ink);font-weight:700}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:40px}
.article-tags span{display:inline-flex;align-items:center;height:26px;padding:0 12px;font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-soft);border-radius:var(--r-pill)}
.empty-card{margin-top:24px;padding:48px 24px;text-align:center;border:1px dashed var(--line);border-radius:var(--r-l);background:#fff}
.empty-card .empty-icon{width:48px;height:48px;margin:0 auto 16px;border-radius:var(--r-m);background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center}
.empty-card p{font-size:14px;color:var(--ink-3);margin-bottom:16px}

/* ============ 相关内容 ============ */
.related{margin-top:56px}
.related h2{font-size:22px;margin-bottom:20px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--sh-1);overflow:hidden;transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-cover img{transform:scale(1.04)}
.card-body{padding:16px}
.card-title{font-size:15px;font-weight:600;color:var(--ink);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover .card-title{color:var(--brand)}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:12px;font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.related-more{display:flex;justify-content:center;margin-top:28px}

/* ============ 侧栏 ============ */
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px}
.side-card{border-radius:var(--r-l);padding:24px;color:#fff;overflow:hidden}
.side-card .tag-light{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:rgba(255,255,255,.16);color:#fff;font-size:12px;font-weight:600;margin-bottom:14px}
.side-card h3{font-size:19px;color:#fff;margin-bottom:10px;line-height:1.45}
.side-card p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.76);margin-bottom:18px}
.side-card .btn{width:100%}
.side-card .side-note{display:block;margin-top:12px;font-size:12px;color:rgba(255,255,255,.6);text-align:center}
.side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-l);padding:20px;box-shadow:var(--sh-1)}
.side-panel h4{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-panel h4::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--grad-brand)}
.side-list li + li{margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.side-item{display:flex;gap:12px;align-items:flex-start}
.side-thumb{width:96px;flex:0 0 96px;aspect-ratio:16/10;border-radius:var(--r-s);overflow:hidden;background:var(--brand-soft)}
.side-thumb img{width:100%;height:100%;object-fit:cover}
.side-item h5{margin:0;font-size:14px;font-weight:600;color:var(--ink);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-item:hover h5{color:var(--brand)}
.side-item time{display:block;margin-top:6px;font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.side-back{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}

/* ============ 页脚 ============ */
.site-footer{margin-top:0;padding:64px 0 24px;color:rgba(255,255,255,.72)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-badge{background:rgba(255,255,255,.14);color:#fff}
.footer-desc{margin:16px 0 20px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.68)}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px}
.badge{display:inline-flex;align-items:center;gap:4px;height:28px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;font-weight:500;font-variant-numeric:tabular-nums}
.badge b{font-size:14px;font-weight:700}
.badge-ghost{background:rgba(255,255,255,.14);color:#fff}
.footer-col h4{font-size:14px;font-weight:700;color:rgba(255,255,255,.92);margin-bottom:14px}
.footer-col li{position:relative;padding-left:0}
.footer-col a{display:inline-block;font-size:14px;line-height:2.2;color:rgba(255,255,255,.72);transition:color .18s ease,padding-left .18s ease}
.footer-col a:hover{color:#fff}
.footer-col a::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);width:2px;height:14px;background:var(--accent);border-radius:2px;transition:transform .18s ease}
.footer-col li:hover a{padding-left:10px;color:#fff}
.footer-col li:hover a::before{transform:translateY(-50%) scaleY(1)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.55)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px}
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
  .related-grid{gap:20px}
}
@media (max-width:991px){
  .nav-main,.nav-search{display:none}
  .nav-toggle{display:flex}
  .nav-right{gap:10px}
  .article-layout{grid-template-columns:1fr;gap:40px}
  .sidebar{position:static}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-body h2{font-size:22px}
}
@media (max-width:767px){
  .article-body{font-size:15px}
  .related h2{font-size:20px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .article-layout{padding-bottom:48px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .btn{width:100%}
  .nav-right .btn-sm{display:none}
  .side-item .side-thumb{width:84px;flex:0 0 84px}
}

/* roulang page: category1 */
:root{
  --ink:#1B1235;
  --ink-2:#4A3F6B;
  --ink-3:#7C7396;
  --line:#E6E1F2;
  --brand:#6C3BFF;
  --brand-dark:#3A1D8F;
  --brand-deep:#2A1A5C;
  --brand-soft:#EDE7FF;
  --accent:#FF6B2C;
  --accent-soft:#FFEDE4;
  --teal:#12B8A6;
  --teal-soft:#E1F7F4;
  --bg:#F7F5FB;
  --card:#FFFFFF;
  --muted-row:#FAF8FF;
  --grad-brand:linear-gradient(135deg,#3A1D8F 0%,#6C3BFF 48%,#FF6B2C 118%);
  --grad-night:linear-gradient(165deg,#1B1235 0%,#2A1A5C 55%,#3A1D8F 100%);
  --grad-soft:linear-gradient(180deg,#FFFFFF 0%,#F3EFFF 100%);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(27,18,53,.06);
  --sh-2:0 12px 28px -16px rgba(27,18,53,.28);
  --sh-3:0 26px 60px -30px rgba(58,29,143,.45);
  --sh-accent:0 14px 28px -14px rgba(255,107,44,.55);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font:inherit}
input{font:inherit}
::selection{background:var(--brand-soft);color:var(--brand-dark)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section--tight{padding:64px 0}
.section--soft{background:var(--bg)}
.section--white{background:#fff}
.section--grad{background:var(--grad-soft)}
.starry{
  position:relative;
  background-color:#2A1A5C;
  background-image:
    radial-gradient(rgba(255,255,255,.14) 1px,transparent 1.5px),
    radial-gradient(rgba(255,255,255,.08) 1px,transparent 1.4px),
    var(--grad-night);
  background-size:96px 96px,58px 58px,100% 100%;
  background-position:0 0,24px 36px,0 0;
}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;text-align:center;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-accent)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 18px 34px -14px rgba(255,107,44,.7)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px -12px rgba(255,107,44,.6)}
.btn-secondary{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-secondary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7);transform:translateY(-1px)}
.btn-text{height:auto;padding:0;background:none;border:0;color:var(--brand);font-size:15px;font-weight:600}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:6px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;background:var(--brand-soft);color:var(--brand);
}
.badge b{font-size:14px;font-weight:700;font-variant-numeric:tabular-nums}
.badge-teal{background:var(--teal-soft);color:#0E8A7C}
.badge-ghost{background:rgba(255,255,255,.14);color:#fff}
.badge-ghost b{color:#fff}
.eyebrow{
  display:inline-flex;align-items:center;
  padding:6px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:inline-flex;align-items:center;gap:8px;flex:0 0 auto}
.logo-mark{
  width:24px;height:24px;border-radius:8px;background:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;flex:0 0 auto;
}
.logo-mark svg{width:14px;height:14px}
.logo-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.02em}
.logo-badge{
  font-size:11px;font-weight:600;padding:2px 8px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);letter-spacing:.04em;
}
.nav-main{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ink-2);padding:6px 0;transition:color .18s ease}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;width:20px;height:3px;border-radius:var(--r-pill);
  background:var(--grad-brand);transform:translateX(-50%) scaleX(0);opacity:0;
  transition:transform .18s ease,opacity .18s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:translateX(-50%) scaleX(1);opacity:1}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{transform:translateX(-50%) scaleX(1);opacity:1}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{position:relative;width:200px;flex:0 0 auto}
.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:15px;height:15px;color:var(--ink-3);pointer-events:none}
.search-box input{
  width:100%;height:38px;border-radius:var(--r-pill);border:1px solid transparent;
  background:#F1EDFA;padding:0 14px 0 34px;font-size:14px;color:var(--ink);
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.search-box input::placeholder{color:var(--ink-3)}
.search-box input:focus{
  background:#fff;border-color:var(--brand);outline:none;
  box-shadow:0 0 0 1px var(--brand),var(--sh-1);
}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
  transition:background .18s ease,color .18s ease;
}
.nav-toggle svg{width:20px;height:20px}
.nav-toggle:hover{background:var(--brand-soft);color:var(--brand)}
.mobile-drawer{
  position:fixed;left:0;right:0;top:72px;bottom:0;z-index:55;
  background:#fff;padding:8px 24px 32px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-link{
  display:flex;align-items:center;height:56px;font-size:16px;font-weight:500;
  color:var(--ink-2);border-bottom:1px solid var(--line);
}
.drawer-link.active{color:var(--brand);font-weight:600}
.drawer-cta{width:100%;margin-top:24px}
body.drawer-open{overflow:hidden}

/* ---------- 页面头 ---------- */
.page-hero{background:var(--grad-soft);border-bottom:1px solid var(--line);padding:56px 0}
.page-hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.page-hero h1{
  font-size:clamp(30px,3.2vw,40px);line-height:1.25;font-weight:800;
  color:var(--ink);margin-top:16px;letter-spacing:-.01em;
}
.hero-lead{font-size:15px;line-height:1.9;color:var(--ink-2);margin-top:14px;max-width:640px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.page-visual{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  min-height:220px;aspect-ratio:16/10;box-shadow:var(--sh-3);background:var(--brand-soft);
}
.page-visual img{width:100%;height:100%;object-fit:cover}
.page-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(27,18,53,.55),rgba(58,29,143,.32));
}
.visual-tag{
  position:absolute;left:20px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);color:#fff;font-size:12px;font-weight:600;
  backdrop-filter:blur(2px);
}

/* ---------- 区块头 ---------- */
.section-head{max-width:780px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;color:var(--ink);line-height:1.25;margin-top:12px}
.section-head p{font-size:15px;color:var(--ink-3);margin-top:10px}
.section-foot{display:flex;justify-content:flex-end;margin-top:28px}

/* ---------- 对比组件 ---------- */
.compare-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:24px;box-shadow:var(--sh-3);
}
.compare-head{
  display:grid;grid-template-columns:30% repeat(3,minmax(0,1fr));
  gap:16px 24px;align-items:end;margin-bottom:12px;
}
.ch-label{font-size:13px;font-weight:600;color:var(--ink-3);padding-bottom:10px;letter-spacing:.04em}
.plan-head{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:22px;transition:box-shadow .22s ease,transform .22s ease;
}
.plan-head.featured{
  border:2px solid transparent;padding:22px;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;
  box-shadow:var(--sh-2);transform:translateY(-8px);
}
.plan-flag{
  position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--grad-brand);color:#fff;font-size:12px;font-weight:600;
  padding:3px 12px;border-radius:var(--r-pill);white-space:nowrap;letter-spacing:.04em;
}
.plan-name{font-size:18px;font-weight:700;color:var(--ink);line-height:1.4}
.plan-price{font-size:28px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;margin-top:6px;line-height:1.2}
.plan-price span{font-size:13px;font-weight:500;color:var(--ink-3);margin-left:2px}
.plan-note{font-size:13px;color:var(--ink-3);margin-top:4px;line-height:1.7}
.plan-head .btn{width:100%;margin-top:14px}
.compare-row{
  display:grid;grid-template-columns:30% repeat(3,minmax(0,1fr));
  gap:16px 24px;align-items:center;min-height:56px;padding:8px 12px;border-radius:12px;
  transition:box-shadow .18s ease;
}
.compare-row:nth-child(even){background:var(--muted-row)}
.compare-row:hover{box-shadow:inset 0 0 0 1px var(--brand-soft)}
.cr-label{font-size:15px;font-weight:500;color:var(--ink);line-height:1.6}
.cr-cell{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);line-height:1.6}
.cr-cell.featured{color:var(--brand-dark);font-weight:600}
.tick{
  width:18px;height:18px;border-radius:50%;background:var(--teal);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:11px;flex:0 0 auto;
}
.dash{color:#CFC8E4;font-size:14px;flex:0 0 auto}
.compare-mobile{display:none}
.cm-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:20px;box-shadow:var(--sh-1);
}
.cm-card.featured{border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;box-shadow:var(--sh-2)}
.cm-card h3{font-size:18px;font-weight:700;color:var(--ink)}
.cm-card .cm-price{font-size:26px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;margin-top:4px}
.cm-card .cm-price span{font-size:13px;font-weight:500;color:var(--ink-3)}
.cm-card ul{list-style:none;margin:14px 0 0;display:grid;gap:10px}
.cm-card li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--ink-2);line-height:1.7}
.cm-card .btn{width:100%;margin-top:16px}

/* ---------- 双栏说明 ---------- */
.split{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
.split h2{font-size:clamp(22px,2.2vw,28px);font-weight:800;color:var(--ink);line-height:1.3;margin-top:12px}
.split-lead{font-size:15px;color:var(--ink-2);margin-top:12px}
.bullet-list{list-style:none;margin:18px 0 0;display:grid;gap:12px}
.bullet-list li{position:relative;padding-left:22px;font-size:15px;color:var(--ink-2)}
.bullet-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;
  background:var(--grad-brand);
}
.split-figure{margin:24px 0 0;border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line);background:#fff}
.split-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.split-figure figcaption{font-size:13px;color:var(--ink-3);padding:10px 16px;border-top:1px solid var(--line)}

/* ---------- 三卡 ---------- */
.cards-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.spot-card{
  display:flex;flex-direction:column;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease;
}
.spot-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.spot-card.is-mid{box-shadow:var(--sh-3);transform:translateY(-6px)}
.spot-card.is-mid:hover{transform:translateY(-10px)}
.spot-icon{
  width:44px;height:44px;border-radius:14px;background:var(--grad-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
}
.spot-icon svg{width:20px;height:20px}
.spot-card h3{font-size:20px;font-weight:700;color:var(--ink);line-height:1.4}
.spot-card p{font-size:15px;color:var(--ink-2);line-height:1.8}
.card-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:8px}
.spot-card .btn-text{align-self:flex-start}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  padding:4px 10px;border-radius:var(--r-pill);background:var(--brand-soft);
  color:var(--brand);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:700;color:var(--ink);margin-top:12px;line-height:1.5}
.step p{font-size:14px;color:var(--ink-3);margin-top:6px;line-height:1.8}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  padding:20px 24px;transition:background .2s ease,box-shadow .2s ease;
}
.faq-item + .faq-item{margin-top:12px}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  list-style:none;cursor:pointer;font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";width:8px;height:8px;flex:0 0 auto;margin-right:4px;
  border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);
  transform:rotate(45deg);transition:transform .2s ease,border-color .2s ease;
}
.faq-item[open]{background:var(--muted-row);box-shadow:var(--sh-1)}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--brand)}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--grad-brand);
}
.faq-answer{margin-top:12px;font-size:15px;line-height:1.9;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  padding:48px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;
}
.cta-band .eyebrow{background:rgba(255,255,255,.14);color:#fff}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);font-weight:800;line-height:1.3;margin-top:12px}
.cta-band p{font-size:15px;color:rgba(255,255,255,.78);margin-top:8px;max-width:560px}
.cta-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex:0 0 auto}
.cta-side small{font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- 页脚 ---------- */
.site-footer{padding:64px 0 24px;color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-badge{background:rgba(255,255,255,.14);color:#fff}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);margin:16px 0 20px;max-width:320px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.footer-col h3{font-size:14px;font-weight:700;color:rgba(255,255,255,.9);margin-bottom:9px}
.footer-col ul{list-style:none}
.footer-col a{
  position:relative;display:inline-block;font-size:14px;line-height:2.2;
  color:rgba(255,255,255,.72);transition:color .18s ease;
}
.footer-col a::before{
  content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);
  width:2px;height:14px;border-radius:2px;background:var(--accent);opacity:0;
  transition:opacity .18s ease;
}
.footer-col a:hover{color:#fff}
.footer-col a:hover::before{opacity:1}
.footer-bottom{
  margin-top:48px;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:1199px){
  .compare-head,.compare-row{gap:14px 18px}
  .cards-3{gap:20px}
  .steps{gap:20px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
  .nav-main,.search-box{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{gap:16px}
  .page-hero{padding:48px 0}
  .page-hero-grid{grid-template-columns:1fr;gap:32px}
  .page-visual{aspect-ratio:21/9;min-height:200px}
  .split{grid-template-columns:1fr;gap:32px}
  .cards-3{grid-template-columns:1fr;gap:20px}
  .spot-card.is-mid{transform:none;box-shadow:var(--sh-2)}
  .spot-card.is-mid:hover{transform:translateY(-4px)}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 28px}
  .cta-side{align-items:stretch;width:100%}
  .cta-side .btn{width:100%}
  .cta-side small{text-align:left}
}
@media (max-width:767px){
  .compare-panel{display:none}
  .compare-mobile{display:grid;gap:16px}
  .steps{grid-template-columns:1fr}
  .page-visual{aspect-ratio:16/9}
}
@media (max-width:575px){
  .container{padding:0 20px}
  .section{padding:48px 0}
  .section--tight{padding:44px 0}
  .header-inner{height:64px}
  .logo-text{font-size:16px}
  .logo-badge{font-size:10px}
  .mobile-drawer{top:64px;padding:8px 20px 32px}
  .btn{width:100%}
  .header-actions .btn{width:auto}
  .hero-meta .badge{font-size:12px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-item{padding:16px 18px}
  .faq-item summary{font-size:16px}
}

/* roulang page: category2 */
:root{
  --ink:#1B1235;
  --ink-2:#4A3F6B;
  --ink-3:#7C7396;
  --line:#E6E1F2;
  --brand:#6C3BFF;
  --brand-dark:#3A1D8F;
  --brand-deep:#2A1A5C;
  --brand-soft:#EDE7FF;
  --accent:#FF6B2C;
  --accent-soft:#FFEDE4;
  --teal:#12B8A6;
  --teal-soft:#E1F7F4;
  --teal-ink:#0E8A7C;
  --bg:#F7F5FB;
  --card:#FFFFFF;
  --muted-row:#FAF8FF;
  --grad-brand:linear-gradient(135deg,#3A1D8F 0%,#6C3BFF 48%,#FF6B2C 118%);
  --grad-night:linear-gradient(165deg,#1B1235 0%,#2A1A5C 55%,#3A1D8F 100%);
  --grad-soft:linear-gradient(180deg,#FFFFFF 0%,#F3EFFF 100%);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(27,18,53,.06);
  --sh-2:0 12px 28px -16px rgba(27,18,53,.28);
  --sh-3:0 26px 60px -30px rgba(58,29,143,.45);
  --sh-accent:0 14px 28px -14px rgba(255,107,44,.55);
  --fz-12:12px;--fz-13:13px;--fz-14:14px;--fz-16:16px;--fz-18:18px;--fz-20:20px;--fz-22:22px;--fz-28:28px;--fz-34:34px;--fz-44:44px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:var(--fz-16);
  line-height:1.9;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);line-height:1.25;font-weight:800;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
input,button,textarea,select{font:inherit;color:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.starry{position:relative;overflow:hidden;}
.starry::before{
  content:"";
  position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(1.4px 1.4px at 18% 22%,rgba(255,255,255,.85) 50%,transparent 51%),
    radial-gradient(1.2px 1.2px at 72% 14%,rgba(255,255,255,.7) 50%,transparent 51%),
    radial-gradient(1.6px 1.6px at 46% 68%,rgba(255,255,255,.55) 50%,transparent 51%),
    radial-gradient(1.1px 1.1px at 88% 52%,rgba(255,255,255,.6) 50%,transparent 51%),
    radial-gradient(1.3px 1.3px at 12% 78%,rgba(255,255,255,.5) 50%,transparent 51%),
    radial-gradient(1.2px 1.2px at 62% 88%,rgba(255,255,255,.45) 50%,transparent 51%);
  opacity:.18;
}
.starry > *{position:relative;z-index:1;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-inner{
  height:72px;
  display:flex;align-items:center;gap:24px;
  max-width:1200px;margin:0 auto;padding:0 24px;
}
.logo{display:inline-flex;align-items:center;gap:8px;flex:none;}
.logo-mark{
  width:24px;height:24px;border-radius:8px;
  background:var(--grad-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  flex:none;
}
.logo-mark svg{width:14px;height:14px;}
.logo-text{font-size:var(--fz-18);font-weight:800;color:var(--ink);letter-spacing:.01em;}
.logo-badge{
  font-size:11px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);
  padding:3px 9px;border-radius:var(--r-pill);
  line-height:1.5;
}
.nav-main{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink-2);
  padding:24px 0;
  transition:color .18s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:16px;
  width:0;height:3px;border-radius:var(--r-pill);
  background:var(--grad-brand);
  transform:translateX(-50%);
  opacity:0;transition:width .18s ease,opacity .18s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{width:20px;opacity:.5;}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{width:20px;opacity:1;}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:200px;height:38px;padding:0 14px;
  background:#F1EDFA;border-radius:var(--r-pill);
  border:2px solid transparent;
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:var(--sh-1);}
.nav-search svg{width:15px;height:15px;color:var(--ink-3);flex:none;}
.nav-search input{
  border:0;background:transparent;outline:none;
  font-size:var(--fz-14);color:var(--ink);width:100%;
}
.nav-search input::placeholder{color:var(--ink-3);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-sm{height:38px;padding:0 18px;font-size:var(--fz-14);}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-accent);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 18px 34px -14px rgba(255,107,44,.65);}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px -12px rgba(255,107,44,.6);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand-soft);color:var(--brand-dark);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7);}
.btn-text{background:none;border:0;padding:0;height:auto;color:var(--brand);font-weight:600;font-size:var(--fz-14);}
.btn-text:hover{text-decoration:underline;text-underline-offset:3px;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-s);
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-drawer{
  position:fixed;inset:0;z-index:90;background:#fff;
  padding:88px 24px 32px;
  display:none;flex-direction:column;
  overflow-y:auto;
}
.nav-drawer.open{display:flex;}
.nav-drawer .drawer-close{
  position:absolute;top:20px;right:20px;
  width:40px;height:40px;border-radius:var(--r-s);
  border:1px solid var(--line);background:#fff;cursor:pointer;
  font-size:20px;line-height:1;color:var(--ink);
}
.nav-drawer a.drawer-link{
  display:flex;align-items:center;height:56px;
  font-size:var(--fz-16);font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.nav-drawer a.drawer-link.active{color:var(--brand);}
.nav-drawer .drawer-actions{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.nav-drawer .drawer-actions .btn{width:100%;}
body.nav-lock{overflow:hidden;}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:var(--fz-12);font-weight:600;letter-spacing:.04em;
  color:var(--brand);background:var(--brand-soft);
  padding:5px 12px;border-radius:var(--r-pill);
}
.section-head h2{font-size:var(--fz-28);margin-top:12px;}
.section-head p{font-size:15px;color:var(--ink-3);margin-top:10px;}
.badge{
  display:inline-flex;align-items:center;gap:4px;
  font-size:var(--fz-13);line-height:1.4;
  padding:6px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-dark);font-weight:600;
  font-variant-numeric:tabular-nums;
}
.badge b{font-size:var(--fz-14);font-weight:700;margin-right:2px;}
.badge-teal{background:var(--teal-soft);color:var(--teal-ink);}
.badge-ghost{background:rgba(255,255,255,.14);color:#fff;}
.badge-accent{background:var(--accent-soft);color:#B8460F;}

/* ============ 页头区 ============ */
.page-hero{
  background:var(--grad-night);
  color:#fff;
  padding:72px 0 64px;
}
.page-hero .hero-grid{
  display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;
}
.page-hero .eyebrow{background:rgba(255,255,255,.14);color:#fff;}
.page-hero h1{
  color:#fff;
  font-size:clamp(30px,3.4vw,42px);
  margin-top:16px;
  letter-spacing:-.01em;
}
.page-hero h1 .hl{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:#FF8A4C;
}
.page-hero .hero-sub{
  margin-top:14px;font-size:var(--fz-16);color:rgba(255,255,255,.78);
  max-width:620px;
}
.page-hero .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-visual{
  position:relative;
  border-radius:var(--r-xl);
  min-height:230px;
  background-image:linear-gradient(160deg,rgba(27,18,53,.72),rgba(58,29,143,.62)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  box-shadow:var(--sh-3);
  overflow:hidden;
}
.hero-visual .float-card{
  position:absolute;right:18px;bottom:18px;
  background:#fff;color:var(--ink);
  border-radius:var(--r-m);padding:14px 18px;
  box-shadow:var(--sh-3);min-width:190px;
}
.hero-visual .float-card .num{
  font-size:var(--fz-22);font-weight:800;color:var(--brand-dark);
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.hero-visual .float-card .cap{font-size:var(--fz-12);color:var(--ink-3);line-height:1.6;}

/* ============ 筛选条 ============ */
.filter-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  justify-content:space-between;
  padding:24px 0 0;
}
.pill-group{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:38px;padding:0 18px;border-radius:var(--r-pill);
  font-size:var(--fz-14);font-weight:600;color:var(--ink-2);
  background:#fff;border:1px solid var(--line);
  transition:color .18s ease,background .18s ease,border-color .18s ease,transform .18s ease;
  cursor:pointer;
}
.pill:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.pill.is-on{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:var(--sh-2);}
.filter-stats{display:flex;gap:10px;flex-wrap:wrap;}

/* ============ 画廊网格 ============ */
.gallery-wrap{background:var(--bg);}
.gallery-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:24px;
  padding-top:8px;
}
.gallery-head h2{font-size:var(--fz-20);}
.gallery-head .sub{font-size:var(--fz-14);color:var(--ink-3);margin-top:6px;}
.gallery-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.media-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh-1);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s cubic-bezier(.2,.7,.3,1),border-color .22s ease;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCD4F4;}
.media-thumb{
  position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--brand-soft);
}
.media-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s cubic-bezier(.2,.7,.3,1);
}
.media-card:hover .media-thumb img{transform:scale(1.04);}
.thumb-tag{
  position:absolute;left:12px;top:12px;
  background:rgba(27,18,53,.72);color:#fff;
  font-size:var(--fz-12);font-weight:600;
  padding:4px 10px;border-radius:var(--r-pill);
  backdrop-filter:saturate(120%);
}
.media-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.media-body h3{font-size:17px;font-weight:600;line-height:1.5;}
.media-body p{
  font-size:var(--fz-14);color:var(--ink-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.media-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:12px;border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;align-items:center;
  font-size:var(--fz-12);font-weight:600;color:var(--brand-dark);
  background:var(--brand-soft);padding:4px 10px;border-radius:var(--r-pill);
}
.time-meta{font-size:var(--fz-13);color:var(--ink-3);font-variant-numeric:tabular-nums;}

/* ============ 数据条 ============ */
.stat-strip{
  background:var(--grad-soft);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  padding:40px 0;
}
.stat-item .num{
  font-size:var(--fz-34);font-weight:800;color:var(--brand-dark);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-item .num small{font-size:var(--fz-14);font-weight:700;color:var(--ink-3);margin-left:4px;}
.stat-item .cap{font-size:var(--fz-14);color:var(--ink-3);margin-top:6px;}

/* ============ 流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.flow-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:24px;box-shadow:var(--sh-1);position:relative;
  transition:transform .22s ease,box-shadow .22s ease;
}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.flow-num{
  width:40px;height:40px;border-radius:12px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:var(--fz-16);
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.flow-card h3{font-size:var(--fz-18);margin-bottom:8px;}
.flow-card p{font-size:var(--fz-14);color:var(--ink-3);}

/* ============ 权益提示条 ============ */
.tip-bar{
  display:flex;align-items:center;gap:20px;justify-content:space-between;
  background:var(--grad-soft);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:22px 28px;
  box-shadow:var(--sh-1);
  flex-wrap:wrap;
}
.tip-bar .tip-left{display:flex;align-items:center;gap:16px;}
.tip-icon{
  width:44px;height:44px;border-radius:14px;
  background:var(--teal-soft);color:var(--teal-ink);
  display:flex;align-items:center;justify-content:center;flex:none;
}
.tip-icon svg{width:22px;height:22px;}
.tip-bar p{font-size:var(--fz-14);color:var(--ink-2);}

/* ============ FAQ ============ */
.faq-list{max-width:880px;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  padding:0;overflow:hidden;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";width:9px;height:9px;flex:none;
  border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);
  transform:rotate(45deg);transition:transform .2s ease;
  margin-right:4px;
}
.faq-item[open]{background:var(--muted-row);box-shadow:var(--sh-1);}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:var(--r-pill);
  background:var(--grad-brand);
}
.faq-answer{padding:0 24px 20px;font-size:15px;line-height:1.9;color:var(--ink-2);}

/* ============ CTA 带 ============ */
.cta-band-wrap{padding:0 0 80px;}
.cta-band{
  background:var(--grad-night);
  border-radius:var(--r-xl);
  padding:48px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;
  box-shadow:var(--sh-3);
}
.cta-band .eyebrow{background:rgba(255,255,255,.14);color:#fff;}
.cta-band h2{color:#fff;font-size:26px;margin-top:14px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:15px;margin-top:10px;max-width:560px;}
.cta-right{display:flex;flex-direction:column;align-items:center;gap:10px;flex:none;}
.cta-right .note{font-size:var(--fz-13);color:rgba(255,255,255,.62);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--grad-night);
  color:rgba(255,255,255,.72);
  padding:64px 0 24px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-badge{background:rgba(255,255,255,.14);color:#fff;}
.footer-desc{font-size:var(--fz-14);line-height:2;color:rgba(255,255,255,.7);max-width:320px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.footer-col h4{
  font-size:var(--fz-14);font-weight:700;color:rgba(255,255,255,.9);
  margin-bottom:12px;
}
.footer-col li{line-height:2.2;}
.footer-col a{
  position:relative;font-size:var(--fz-14);color:rgba(255,255,255,.72);
  transition:color .18s ease,padding-left .18s ease;
}
.footer-col a::before{
  content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);
  width:2px;height:0;background:var(--accent);border-radius:2px;
  transition:height .18s ease;
}
.footer-col a:hover{color:#fff;}
.footer-col a:hover::before{height:14px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:var(--fz-13);color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .gallery-grid{gap:20px;}
}
@media (max-width:991px){
  .nav-main,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-inner{gap:16px;}
  .page-hero{padding:56px 0 48px;}
  .page-hero .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual{min-height:200px;}
  .section{padding:64px 0;}
  .gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .cta-right{align-items:flex-start;width:100%;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .section-head h2{font-size:var(--fz-22);}
  .gallery-grid{grid-template-columns:1fr;gap:16px;}
  .flow-grid{grid-template-columns:1fr;}
  .filter-row{flex-direction:column;align-items:flex-start;}
  .media-body h3{font-size:var(--fz-16);}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .nav-inner{padding:0 16px;height:64px;}
  .logo-text{font-size:var(--fz-16);}
  .page-hero h1{font-size:28px;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:16px;padding:32px 0;}
  .stat-item .num{font-size:var(--fz-28);}
  .btn{width:100%;}
  .nav-right .btn{width:auto;}
  .tip-bar{padding:18px 20px;}
  .cta-band{padding:32px 22px;}
  .cta-band h2{font-size:var(--fz-22);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-item summary{padding:16px 18px;font-size:var(--fz-16);}
  .faq-answer{padding:0 18px 18px;}
}