/* roulang page: index */
/* ========== 设计变量 ========== */
:root{
  --primary:#6C2BD9;
  --primary-deep:#3A1370;
  --primary-soft:#EDE4FF;
  --accent:#FF7A3D;
  --accent-deep:#F26320;
  --data:#17B978;
  --bg:#FAF7FF;
  --card:#FFFFFF;
  --dark-1:#1B0F35;
  --dark-2:#2A1450;
  --text:#1F1235;
  --text-2:#6B6280;
  --text-3:#9A93AC;
  --border:#E9E1F7;
  --grad:linear-gradient(135deg,#6C2BD9 0%,#8B4DFF 45%,#FF7A3D 100%);
  --r-xl:28px;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 2px 8px rgba(31,18,53,.06);
  --sh-2:0 12px 32px rgba(108,43,217,.12);
  --sh-3:0 12px 32px rgba(108,43,217,.18);
  --ease:200ms cubic-bezier(.2,.8,.2,1);
  --sec-y:96px;
}

/* ========== 基础重置 ========== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Inter,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

/* ========== 容器 ========== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1320px;}}

/* ========== 按钮与标签 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background-position var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{
  color:#fff;background-image:var(--grad);background-size:160% 160%;background-position:0 50%;
  box-shadow:0 8px 20px rgba(108,43,217,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(108,43,217,.32);background-position:8% 50%;}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(108,43,217,.22);}
.btn-ghost{color:var(--primary);background:#fff;border:1px solid var(--border);box-shadow:var(--sh-1);}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--sh-2);}
.btn-ghost:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-light{color:var(--primary-deep);background:#fff;box-shadow:0 8px 20px rgba(0,0,0,.14);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.2);}
.btn-light:active{transform:translateY(0);}

.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  font-size:13px;font-weight:700;
  background:var(--primary-soft);color:var(--primary-deep);
}
.pill--data{background:rgba(23,185,120,.13);color:#0E8C5B;}
.pill--accent{background:rgba(255,122,61,.14);color:#C94F13;}
.text-link{font-size:14px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:6px;transition:color var(--ease),gap var(--ease);}
.text-link:hover{color:var(--accent-deep);gap:10px;}

/* ========== 顶部导航 ========== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--border);box-shadow:0 6px 24px rgba(31,18,53,.07);}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;box-shadow:0 6px 16px rgba(108,43,217,.3);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.main-nav a{
  position:relative;padding:9px 12px;font-size:15px;font-weight:500;color:var(--text-2);
  border-radius:10px;transition:color var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.main-nav a:hover{color:var(--primary);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--primary);font-weight:700;}
.main-nav a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:280px;height:42px;padding:0 10px 0 12px;
  background:var(--primary-soft);border:1px solid transparent;border-radius:var(--r-sm);
  transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.cmd-search:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px rgba(108,43,217,.12);}
.cmd-search svg{flex:0 0 auto;color:var(--primary);}
.cmd-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--text);}
.cmd-search input::placeholder{color:var(--text-3);}
.kbd{
  flex:0 0 auto;font-family:Inter,system-ui,sans-serif;font-size:11px;font-weight:700;color:var(--primary-deep);
  background:#fff;border:1px solid var(--border);border-radius:6px;padding:2px 6px;
}
.icon-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:#fff;
  display:grid;place-items:center;color:var(--primary);box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.icon-btn:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--sh-2);}
.hamburger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:#fff;
  align-items:center;justify-content:center;color:var(--primary);box-shadow:var(--sh-1);
}
.hamburger:hover{border-color:var(--primary);}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:120;background:rgba(27,15,53,.52);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
}
.drawer-mask.show{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;inset:0;z-index:130;background:#fff;padding:20px 20px 32px;
  display:flex;flex-direction:column;overflow-y:auto;
  transform:translateX(100%);transition:transform 300ms cubic-bezier(.2,.8,.2,1);
}
.nav-drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--border);}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--border);display:grid;place-items:center;color:var(--primary);}
.drawer-search{margin-top:20px;}
.drawer-nav{margin-top:10px;display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 4px;font-size:17px;font-weight:600;border-bottom:1px solid var(--border);
  transition:color var(--ease),padding-left var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--primary);padding-left:8px;}
.drawer-cta{margin-top:26px;}
.drawer-cta .btn{width:100%;}

/* ========== Hero ========== */
.hero{padding:32px 0 0;}
.hero-card{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-xl);box-shadow:var(--sh-2);padding:56px 48px;
}
.hero-card::before{
  content:"";position:absolute;top:-170px;left:-130px;width:520px;height:520px;pointer-events:none;
  background:radial-gradient(circle,rgba(108,43,217,.22),rgba(108,43,217,0) 68%);
}
.hero-card::after{
  content:"";position:absolute;bottom:-190px;right:-150px;width:520px;height:520px;pointer-events:none;
  background:radial-gradient(circle,rgba(255,122,61,.2),rgba(255,122,61,0) 68%);
}
.hero-row{position:relative;z-index:2;}
.hero-copy .eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:700;color:var(--primary);background:var(--primary-soft);
}
.hero h1{
  font-size:clamp(34px,4.6vw,56px);font-weight:800;line-height:1.15;letter-spacing:-.02em;margin-top:20px;
}
.hero-sub{margin-top:18px;font-size:18px;color:var(--text-2);}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.hero-visual{position:relative;padding-bottom:10px;}
.hero-image{width:100%;aspect-ratio:4/3;border-radius:var(--r-lg);overflow:hidden;box-shadow:0 20px 48px rgba(31,18,53,.16);}
.hero-image img{width:100%;height:100%;object-fit:cover;}
.float-card{
  position:absolute;left:-16px;bottom:22px;width:min(252px,74%);
  display:flex;align-items:center;gap:12px;padding:12px;border-radius:20px;
  background:#fff;border:1px solid var(--border);box-shadow:0 18px 40px rgba(31,18,53,.18);
}
.float-card img{width:48px;height:48px;border-radius:12px;object-fit:cover;flex:0 0 auto;}
.float-card strong{display:block;font-size:14px;font-weight:700;line-height:1.3;}
.float-card span{font-size:12px;color:var(--text-3);}
.float-badge{
  position:absolute;top:-14px;right:-8px;display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;background:#fff;border:1px solid var(--border);
  box-shadow:0 14px 32px rgba(31,18,53,.16);font-size:13px;font-weight:700;
}
.fb-dot{width:8px;height:8px;border-radius:50%;background:var(--data);box-shadow:0 0 0 4px rgba(23,185,120,.18);}

/* ========== 通用板块 ========== */
.section{padding:var(--sec-y) 0;}
.section--tight{padding-top:64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;}
.section-head h2{position:relative;padding-left:18px;font-size:clamp(26px,3vw,34px);font-weight:700;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:6px;border-radius:4px;background:var(--grad);
}
.section-sub{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px;}

/* ========== 数据徽章行 ========== */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:56px;}
.stat-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.stat-num{font-family:Inter,system-ui,sans-serif;font-size:32px;font-weight:800;line-height:1.1;color:var(--primary);}
.stat-num em{font-style:normal;font-size:18px;color:var(--accent);margin-left:2px;}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-2);}

/* ========== 卡片网格 ========== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.product-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--sh-3);border-color:#DCCDFB;}
.pc-media{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;}
.pc-media img{width:100%;height:100%;object-fit:cover;transition:transform 480ms cubic-bezier(.2,.8,.2,1);}
.product-card:hover .pc-media img{transform:scale(1.03);}
.pc-tag{
  position:absolute;top:14px;left:14px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:700;color:#fff;background-image:var(--grad);
}
.pc-tag--accent{background-image:none;background:var(--accent);}
.pc-tag--data{background-image:none;background:var(--data);}
.pc-body{flex:1;display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;}
.pc-title{font-size:18px;font-weight:700;line-height:1.42;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pc-title a{transition:color var(--ease);}
.product-card:hover .pc-title a{color:var(--primary);}
.pc-desc{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pc-foot{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--border);
  display:flex;align-items:center;justify-content:space-between;
}
.pc-link{font-size:14px;font-weight:700;color:var(--primary);}
.pc-round{
  width:32px;height:32px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;font-weight:700;transition:background var(--ease),color var(--ease),transform var(--ease);
}
.product-card:hover .pc-round{background-image:var(--grad);color:#fff;transform:translateX(3px);}

/* ========== 评价轮播 ========== */
.reviews-band{
  position:relative;overflow:hidden;padding:var(--sec-y) 0;color:#fff;
  background:linear-gradient(150deg,var(--dark-1) 0%,var(--dark-2) 100%);
}
.reviews-band::before{
  content:"";position:absolute;top:-220px;right:-140px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,43,217,.55),rgba(108,43,217,0) 70%);
}
.reviews-band::after{
  content:"";position:absolute;bottom:-240px;left:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,61,.28),rgba(255,122,61,0) 70%);
}
.reviews-band .container{position:relative;z-index:2;}
.reviews-band .section-head h2{color:#fff;}
.reviews-band .section-sub{color:rgba(255,255,255,.66);}
.review-viewport{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 12px;scrollbar-width:none;
}
.review-viewport::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 calc((100% - 48px)/3);scroll-snap-align:start;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--r-lg);padding:26px;
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.review-card:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24);transform:translateY(-4px);}
.review-top{display:flex;align-items:center;gap:14px;}
.avatar{
  width:48px;height:48px;border-radius:50%;background:var(--grad);
  display:grid;place-items:center;font-weight:800;font-size:16px;color:#fff;flex:0 0 auto;
}
.review-name{font-size:15px;font-weight:700;}
.review-role{font-size:13px;color:rgba(255,255,255,.58);}
.stars{margin-top:14px;font-size:15px;letter-spacing:3px;color:var(--accent);}
.review-text{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.82);}
.review-badge{
  display:inline-flex;margin-top:16px;padding:6px 12px;border-radius:999px;
  font-size:12px;font-weight:700;background:rgba(23,185,120,.18);color:#5FE0AB;
}
.review-nav{display:flex;align-items:center;justify-content:space-between;margin-top:28px;gap:20px;}
.review-dots{display:flex;gap:8px;}
.review-dot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.26);transition:background var(--ease),width var(--ease);}
.review-dot.active{width:26px;border-radius:999px;background-image:var(--grad);}
.review-arrows{display:flex;gap:10px;}
.review-arrow{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;color:#fff;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.review-arrow:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.4);transform:translateY(-2px);}

/* ========== 保障条 ========== */
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.g-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:26px 22px;
  box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.g-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCCDFB;}
.g-icon{width:46px;height:46px;border-radius:14px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;}
.g-title{margin-top:16px;font-size:17px;font-weight:700;}
.g-desc{margin-top:8px;font-size:14px;color:var(--text-2);}

/* ========== CTA 条 ========== */
.cta-band{
  position:relative;overflow:hidden;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
  padding:52px 48px;border:2px solid transparent;border-radius:var(--r-xl);
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:var(--sh-2);
}
.cta-band::before{
  content:"";position:absolute;top:-140px;left:-100px;width:400px;height:400px;pointer-events:none;
  background:radial-gradient(circle,rgba(108,43,217,.14),rgba(108,43,217,0) 70%);
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;}
.cta-copy p{margin-top:12px;font-size:15px;color:var(--text-2);}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;}

/* ========== 最新信息 ========== */
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--sh-3);border-color:#DCCDFB;}
.news-media{display:block;aspect-ratio:16/9;overflow:hidden;}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform 480ms cubic-bezier(.2,.8,.2,1);}
.news-card:hover .news-media img{transform:scale(1.03);}
.news-body{flex:1;display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3);}
.news-cat{padding:4px 10px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:700;}
.news-card h3{font-size:17px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card h3 a{transition:color var(--ease);}
.news-card h3 a:hover{color:var(--primary);}
.news-card p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-more{margin-top:auto;padding-top:12px;font-size:14px;font-weight:700;color:var(--primary);transition:color var(--ease);}
.news-more:hover{color:var(--accent-deep);}
.news-empty{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:64px 24px;text-align:center;background:#fff;
  border:2px dashed var(--border);border-radius:var(--r-lg);color:var(--text-3);
}
.news-empty svg{color:var(--text-3);}
.news-empty p{font-size:15px;}

/* ========== FAQ ========== */
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;
  transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.faq-item.open{border-color:var(--primary);background:#F8F4FF;box-shadow:var(--sh-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:700;color:var(--text);
}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background-image:var(--grad);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms cubic-bezier(.2,.8,.2,1);}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ========== 咨询表单 ========== */
.contact-band{padding:var(--sec-y) 0 0;}
.contact-card{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);padding:48px;box-shadow:var(--sh-1);
}
.contact-form{display:grid;gap:16px;}
.field label{display:block;margin-bottom:8px;font-size:14px;font-weight:700;color:var(--text-2);}
.field input,.field textarea{
  width:100%;height:48px;padding:0 16px;font-size:15px;color:var(--text);
  background:var(--bg);border:1px solid var(--border);border-radius:var(--r-sm);outline:none;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field textarea{height:112px;padding:12px 16px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px rgba(108,43,217,.14);}
.form-hint{font-size:13px;color:var(--text-3);}
.form-hint.is-error{color:var(--accent-deep);}

/* ========== 页脚 ========== */
.site-footer{
  margin-top:var(--sec-y);padding:72px 0 0;color:rgba(255,255,255,.78);
  background:linear-gradient(160deg,var(--dark-1) 0%,var(--dark-2) 100%);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px;}
.footer-brand span{font-size:17px;font-weight:800;color:#fff;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px;}
.footer-title{margin-bottom:18px;font-size:15px;font-weight:700;color:#fff;letter-spacing:.02em;}
.footer-links a{
  display:block;padding:7px 0;font-size:14px;color:rgba(255,255,255,.7);
  transition:color var(--ease),transform var(--ease);
}
.footer-links a:hover{color:#B99CFF;transform:translateX(3px);}
.footer-contact li{padding:6px 0;font-size:14px;color:rgba(255,255,255,.66);}
.subscribe{display:flex;gap:10px;margin-top:16px;}
.subscribe input{
  flex:1;min-width:0;height:48px;padding:0 16px;font-size:14px;color:#fff;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-sm);outline:none;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.subscribe input::placeholder{color:rgba(255,255,255,.42);}
.subscribe input:focus{border-color:#B99CFF;box-shadow:0 0 0 3px rgba(185,156,255,.18);}
.footer-bottom{
  margin-top:56px;padding:24px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);transition:color var(--ease);}
.footer-bottom a:hover{color:#B99CFF;}

/* ========== 响应式 ========== */
@media (max-width:1023px){
  :root{--sec-y:72px;}
  .main-nav{display:none;}
  .cmd-search{display:none;}
  .icon-btn{display:none;}
  .hamburger{display:inline-flex;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .stats-row{grid-template-columns:repeat(2,1fr);}
  .guarantee-grid{grid-template-columns:repeat(2,1fr);}
  .review-card{flex:0 0 calc((100% - 24px)/2);}
  .contact-card{grid-template-columns:1fr;gap:32px;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero-card{padding:44px 32px;}
}
@media (max-width:639px){
  :root{--sec-y:60px;}
  .container{padding:0 16px;}
  .card-grid{grid-template-columns:1fr;}
  .review-card{flex:0 0 88%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .hero-card{padding:34px 22px;border-radius:24px;}
  .hero-sub{font-size:16px;}
  .hero-visual{padding-bottom:0;}
  .float-card{left:6px;bottom:12px;width:min(230px,80%);}
  .float-badge{top:-10px;right:0;font-size:12px;padding:8px 12px;}
  .cta-band{padding:34px 24px;border-radius:24px;}
  .contact-card{padding:26px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .subscribe{flex-direction:column;}
  .subscribe .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a-inner{padding:0 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --primary:#6C2BD9;
  --primary-deep:#3A1370;
  --primary-soft:#EDE4FF;
  --accent:#FF7A3D;
  --accent-dark:#F26320;
  --data:#17B978;
  --bg:#FAF7FF;
  --card:#FFFFFF;
  --dark:#1B0F35;
  --dark-2:#2A1450;
  --text:#1F1235;
  --muted:#6B6280;
  --weak:#9A93AC;
  --border:#E9E1F7;
  --brand-gradient:linear-gradient(135deg,#6C2BD9 0%,#8B4DFF 45%,#FF7A3D 100%);
  --radius-lg:28px;
  --radius-md:22px;
  --radius-sm:16px;
  --radius-xs:12px;
  --shadow-1:0 2px 8px rgba(31,18,53,.06);
  --shadow-2:0 12px 32px rgba(108,43,217,.12);
  --shadow-3:0 18px 40px rgba(108,43,217,.18);
  --ease:200ms cubic-bezier(.2,.8,.2,1);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","HarmonyOS Sans SC","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease)}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1320px}}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 24px;border-radius:999px;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand-gradient);
  background-size:140% 140%;
  color:#fff;
  box-shadow:0 6px 18px rgba(108,43,217,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(108,43,217,.34);background-position:100% 50%}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(108,43,217,.24)}
.btn-ghost{
  background:#fff;color:var(--primary);border:1px solid var(--border);
  box-shadow:var(--shadow-1);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--shadow-2)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn svg{flex:none}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--border);box-shadow:0 8px 24px rgba(31,18,53,.08)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--brand-gradient);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(108,43,217,.32);
  flex:none;
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--text)}
.main-nav{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.main-nav a{
  position:relative;padding:9px 13px;font-size:15px;font-weight:500;color:var(--muted);border-radius:10px;
}
.main-nav a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;
  background:var(--brand-gradient);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.main-nav a:hover{color:var(--primary)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--primary);font-weight:600}
.main-nav a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.command-search{
  display:flex;align-items:center;gap:8px;width:280px;height:42px;padding:0 12px;
  background:#F5F0FF;border:1px solid transparent;border-radius:var(--radius-xs);
  transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.command-search:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(108,43,217,.10)}
.command-search svg{flex:none;color:var(--weak)}
.command-search input{
  flex:1;min-width:0;border:0;background:transparent;font-size:14px;outline:none;
}
.command-search input::placeholder{color:var(--weak)}
.kbd{
  flex:none;font-family:var(--font-num);font-size:11px;font-weight:600;color:var(--muted);
  background:#fff;border:1px solid var(--border);border-radius:6px;padding:2px 6px;line-height:1.4;
}
.icon-btn{
  width:42px;height:42px;border-radius:var(--radius-xs);display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);border:1px solid var(--border);background:#fff;transition:all var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-xs);border:1px solid var(--border);background:#fff;
  align-items:center;justify-content:center;color:var(--text);
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(27,15,53,.5);opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);z-index:130;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:140;
  background:#fff;box-shadow:-20px 0 48px rgba(27,15,53,.22);
  transform:translateX(102%);transition:transform var(--ease);
  padding:22px 22px 32px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-head strong{font-size:17px}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--muted);
}
.drawer-close:hover{color:var(--primary);border-color:var(--primary)}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:46px;padding:0 12px;background:#F5F0FF;
  border-radius:var(--radius-xs);margin-bottom:20px;
}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.drawer-nav a{
  padding:12px 14px;border-radius:12px;font-size:15px;font-weight:500;color:var(--muted);
  border:1px solid transparent;
}
.drawer-nav a:hover{background:#F8F4FF;color:var(--primary)}
.drawer-nav a.active{background:var(--primary-soft);color:var(--primary);font-weight:600;border-color:rgba(108,43,217,.16)}
.drawer-cta{width:100%}

/* ---------- 页面横幅 ---------- */
.page-banner{
  position:relative;
  min-height:240px;
  display:flex;align-items:center;
  padding:64px 0 56px;
  background-image:
    linear-gradient(120deg,rgba(58,19,112,.94) 0%,rgba(108,43,217,.78) 46%,rgba(255,122,61,.52) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;top:-120px;left:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 68%);
  pointer-events:none;
}
.page-banner .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px;
}
.breadcrumb a:hover{color:#fff}
.breadcrumb span.sep{opacity:.5}
.page-banner h1{
  font-size:clamp(34px,4.6vw,56px);font-weight:800;line-height:1.15;letter-spacing:-.02em;
  color:#fff;text-shadow:0 6px 24px rgba(27,15,53,.28);
}
.banner-sub{
  margin-top:14px;max-width:660px;font-size:16px;line-height:1.7;color:rgba(255,255,255,.88);
}

/* ---------- 状态条 ---------- */
.status-band{
  background:linear-gradient(90deg,var(--dark) 0%,var(--dark-2) 100%);
  padding:20px 0;
}
.status-row{
  display:flex;flex-wrap:wrap;gap:14px 40px;align-items:center;justify-content:space-between;
}
.status-item{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.82);font-size:14px}
.status-dot{
  width:9px;height:9px;border-radius:50%;background:var(--data);flex:none;
  box-shadow:0 0 0 4px rgba(23,185,120,.18);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(23,185,120,.18)}50%{box-shadow:0 0 0 9px rgba(23,185,120,.05)}}
.status-item b{font-family:var(--font-num);font-size:17px;font-weight:700;color:#fff;letter-spacing:-.01em}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;
  margin-bottom:34px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);font-weight:700;letter-spacing:-.02em;
  display:flex;align-items:center;gap:14px;
}
.section-head h2::before{
  content:"";width:6px;height:26px;border-radius:4px;background:var(--brand-gradient);flex:none;
}
.section-head p{margin-top:10px;color:var(--muted);font-size:15px;max-width:680px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);
}
.link-more:hover{gap:10px}
.link-more:hover svg{transform:translateX(2px)}
.link-more svg{transition:transform var(--ease)}

/* ---------- 筛选 chips ---------- */
.chip-row{
  display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px;
}
.chip{
  padding:9px 18px;border-radius:999px;font-size:14px;font-weight:500;color:var(--muted);
  background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-1);
  transition:all var(--ease);
}
.chip:hover{color:var(--primary);border-color:rgba(108,43,217,.4);transform:translateY(-2px)}
.chip.is-active{
  background:var(--brand-gradient);color:#fff;border-color:transparent;
  box-shadow:0 8px 20px rgba(108,43,217,.26);
}

/* ---------- 游戏卡片网格 ---------- */
.card-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;
}
.game-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.game-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-3);border-color:rgba(108,43,217,.24)}
.game-card.is-hidden{display:none}
.card-media{
  position:relative;aspect-ratio:4/3;overflow:hidden;background:#F3EEFF;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.8,.2,1)}
.game-card:hover .card-media img{transform:scale(1.03)}
.card-badge{
  position:absolute;top:12px;left:12px;
  font-size:12px;font-weight:700;line-height:1;padding:7px 11px;border-radius:999px;
  background:var(--brand-gradient);color:#fff;box-shadow:0 6px 14px rgba(108,43,217,.28);
}
.card-badge.badge-accent{background:var(--accent)}
.card-badge.badge-data{background:var(--data)}
.card-body{padding:20px 22px 12px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-body h3{font-size:18px;font-weight:600;transition:color var(--ease)}
.game-card:hover .card-body h3{color:var(--primary)}
.card-body p{font-size:14px;color:var(--muted);line-height:1.7}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 22px 20px;margin-top:auto;
}
.text-link{font-size:14px;font-weight:600;color:var(--primary)}
.text-link:hover{color:var(--primary-deep)}
.round-link{
  width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);transition:all var(--ease);
}
.round-link:hover{background:var(--brand-gradient);color:#fff;transform:translateX(3px)}

/* ---------- 挑选建议 ---------- */
.tip-card{
  height:100%;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:28px 24px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tip-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);border-color:rgba(108,43,217,.22)}
.tip-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;margin-bottom:16px;
  background:var(--primary-soft);color:var(--primary);
  font-family:var(--font-num);font-weight:700;font-size:15px;
}
.tip-card h3{font-size:19px;margin-bottom:10px}
.tip-card p{font-size:15px;color:var(--muted);line-height:1.75}

/* ---------- 上手流程 ---------- */
.step-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;position:relative}
.step-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:24px 20px;box-shadow:var(--shadow-1);position:relative;
  transition:transform var(--ease),box-shadow var(--ease);
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step-item::after{
  content:"";position:absolute;top:50%;right:-22px;width:22px;height:2px;
  background:linear-gradient(90deg,var(--border),rgba(108,43,217,.35));
}
.step-item:last-child::after{display:none}
.step-index{
  font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--accent);
  letter-spacing:.08em;margin-bottom:10px;display:block;
}
.step-item h3{font-size:17px;margin-bottom:8px}
.step-item p{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);
  margin-bottom:14px;overflow:hidden;transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.faq-item.is-open{border-color:var(--primary);background:#F8F4FF;box-shadow:var(--shadow-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:600;text-align:left;color:var(--text);
}
.faq-q .faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;position:relative;
  background:var(--primary-soft);transition:transform var(--ease),background var(--ease);
}
.faq-q .faq-icon::before,.faq-q .faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .faq-icon::before{width:12px;height:2px}
.faq-q .faq-icon::after{width:2px;height:12px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--primary)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#fff}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 280ms cubic-bezier(.2,.8,.2,1);
}
.faq-a p{padding:0 22px 22px;font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- CTA 卡 ---------- */
.cta-card{
  position:relative;
  border:2px solid transparent;border-radius:var(--radius-lg);
  background:
    linear-gradient(#fff,#fff) padding-box,
    var(--brand-gradient) border-box;
  padding:52px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-2);
  overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,61,.18),rgba(255,122,61,0) 70%);
  pointer-events:none;
}
.cta-card h2{font-size:clamp(22px,2.3vw,30px);margin-bottom:12px}
.cta-card p{color:var(--muted);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(160deg,var(--dark) 0%,var(--dark-2) 100%);
  color:rgba(255,255,255,.78);
  padding:72px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-links a:hover{color:#B98CFF}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.68)}
.subscribe{display:flex;gap:10px;flex-wrap:wrap}
.subscribe input{
  flex:1;min-width:170px;height:48px;padding:0 14px;border-radius:var(--radius-xs);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;outline:none;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.subscribe input::placeholder{color:rgba(255,255,255,.42)}
.subscribe input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(108,43,217,.28)}
.form-hint{font-size:13px;margin-top:10px;color:rgba(255,255,255,.5)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .command-search{width:220px}
}
@media (max-width:1023px){
  .main-nav,.command-search,.icon-btn{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{justify-content:space-between}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-item::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .page-banner{min-height:200px;padding:48px 0 44px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .card-grid{grid-template-columns:1fr}
  .step-row{grid-template-columns:1fr}
  .cta-card{padding:36px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .status-row{gap:12px 24px}
}
@media (max-width:520px){
  .brand-text{font-size:17px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-actions .btn{width:100%}
  .subscribe{flex-direction:column}
  .subscribe input,.subscribe .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --primary:#6C2BD9;
  --primary-deep:#3A1370;
  --primary-light:#EDE4FF;
  --primary-hover:#8B4DFF;
  --accent:#FF7A3D;
  --accent-deep:#F26320;
  --data:#17B978;
  --bg:#FAF7FF;
  --card:#FFFFFF;
  --dark-1:#1B0F35;
  --dark-2:#2A1450;
  --text:#1F1235;
  --text-mid:#6B6280;
  --text-weak:#9A93AC;
  --border:#E9E1F7;
  --brand-gradient:linear-gradient(135deg,#6C2BD9 0%,#8B4DFF 45%,#FF7A3D 100%);
  --shadow-1:0 2px 8px rgba(31,18,53,.06);
  --shadow-2:0 12px 32px rgba(108,43,217,.12);
  --shadow-3:0 14px 34px rgba(108,43,217,.18);
  --r-xl:28px;
  --r-lg:22px;
  --r-img:16px;
  --r-input:12px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --t:200ms cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--t),opacity var(--t)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){
  .container{max-width:1320px;}
}
/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1200;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--t),border-color var(--t);
}
.site-header.scrolled{
  border-bottom-color:var(--border);
  box-shadow:0 6px 24px rgba(31,18,53,.07);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text);
  flex:0 0 auto;
}
.brand-mark{
  width:32px;height:32px;
  border-radius:10px;
  background:var(--brand-gradient);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(108,43,217,.3);
  flex:0 0 auto;
}
.brand:hover .brand-mark{box-shadow:0 8px 20px rgba(108,43,217,.38)}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--text-mid);
  border-radius:10px;
  white-space:nowrap;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;border-radius:2px;
  background:var(--brand-gradient);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--t);
}
.main-nav a:hover{color:var(--primary)}
.main-nav a:hover::after,
.main-nav a.active::after{transform:scaleX(1)}
.main-nav a.active{color:var(--primary);font-weight:700}
.header-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:280px;height:40px;
  padding:0 10px 0 12px;
  background:var(--primary-light);
  border:1px solid transparent;
  border-radius:var(--r-input);
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.command-search:focus-within{
  background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(108,43,217,.14);
}
.command-search svg{flex:0 0 auto;color:var(--primary)}
.command-search input{
  flex:1 1 auto;min-width:0;
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);
}
.command-search input::placeholder{color:var(--text-weak)}
.kbd{
  flex:0 0 auto;
  font-family:Inter,system-ui,sans-serif;
  font-size:11px;font-weight:700;
  color:var(--primary);
  background:#fff;
  border:1px solid var(--border);
  border-radius:6px;
  padding:2px 6px;
  line-height:1.4;
}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-input);
  background:var(--primary-light);
  color:var(--primary);
  transition:background var(--t),color var(--t),transform var(--t);
}
.icon-btn:hover{background:#E2D6FF;transform:translateY(-2px)}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border-radius:var(--r-input);
  background:var(--primary-light);
  color:var(--primary);
}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-primary{
  background:var(--brand-gradient);
  background-size:130% 130%;
  background-position:0 0;
  color:#fff;
  box-shadow:0 8px 20px rgba(108,43,217,.24);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(108,43,217,.3);
  background-position:6% 0;
}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(108,43,217,.22)}
.btn-ghost{
  background:#fff;
  color:var(--text);
  border:1px solid var(--border);
  box-shadow:var(--shadow-1);
}
.btn-ghost:hover{
  color:var(--primary);
  border-color:#CDB9F5;
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
}
.btn-ghost:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(27,15,53,.55);
  opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);
  z-index:1300;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;
  width:min(360px,88vw);height:100%;
  background:#fff;
  padding:22px 20px 32px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform 280ms var(--ease);
  border-radius:24px 0 0 24px;
}
.drawer-mask.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);
}
.drawer-search{
  display:flex;align-items:center;gap:8px;
  height:44px;padding:0 12px;
  background:var(--primary-light);
  border-radius:var(--r-input);
  margin-bottom:18px;
}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:22px}
.drawer-nav a{
  padding:12px 14px;border-radius:12px;
  font-size:15px;font-weight:500;color:var(--text-mid);
  transition:background var(--t),color var(--t);
}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--primary-light);color:var(--primary);font-weight:700}
.drawer-cta{display:block;text-align:center}
/* ---------- 面包屑 & 文章头 ---------- */
.article-hero{
  padding:36px 0 34px;
  border-bottom:1px solid var(--border);
  background:
    radial-gradient(620px 220px at 10% 0%,rgba(108,43,217,.11),transparent 70%),
    radial-gradient(520px 200px at 90% 6%,rgba(255,122,61,.11),transparent 72%),
    var(--bg);
}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-weak);
  margin-bottom:18px;
}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .current{
  max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:var(--text-mid);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.badge-cat{background:var(--primary-light);color:var(--primary)}
.badge-data{background:rgba(23,185,120,.12);color:var(--data)}
.article-title{
  margin:14px 0 18px;
  font-size:clamp(30px,3.8vw,46px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.02em;
  color:var(--text);
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:13.5px;color:var(--text-mid);
}
.article-meta .dot{
  width:4px;height:4px;border-radius:50%;
  background:var(--text-weak);opacity:.7;
}
/* ---------- 布局 ---------- */
.article-layout{padding:56px 0 76px}
.layout-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:52px;
  align-items:start;
}
.article-main{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  padding:48px 52px;
  box-shadow:var(--shadow-1);
}
.article-body{max-width:760px;font-size:16.5px;line-height:1.9;color:var(--text)}
.article-body p{margin:0 0 22px}
.article-body h2{
  position:relative;
  margin:44px 0 18px;
  padding-left:16px;
  font-size:24px;
  font-weight:700;
  line-height:1.4;
  letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:.3em;
  width:4px;height:.92em;
  border-radius:2px;
  background:var(--brand-gradient);
}
.article-body h3{
  margin:32px 0 14px;
  font-size:20px;
  font-weight:600;
  line-height:1.5;
}
.article-body strong{font-weight:700;color:var(--primary-deep)}
.article-body a{color:var(--primary);font-weight:500;border-bottom:1px solid rgba(108,43,217,.28)}
.article-body a:hover{color:var(--accent-deep);border-bottom-color:rgba(242,99,32,.4)}
.article-body blockquote{
  margin:26px 0;
  padding:20px 24px;
  background:#F5F0FF;
  border-left:4px solid var(--primary);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--text-mid);
  font-size:15.5px;
  line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 24px;padding-left:0}
.article-body ul li,.article-body ol li{
  position:relative;
  padding-left:24px;
  margin-bottom:10px;
}
.article-body ul li::before{
  content:"";
  position:absolute;left:2px;top:.72em;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--brand-gradient);
}
.article-body ol{counter-reset:lic}
.article-body ol li{counter-increment:lic}
.article-body ol li::before{
  content:counter(lic);
  position:absolute;left:0;top:.28em;
  width:18px;height:18px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:6px;
  background:var(--primary-light);
  color:var(--primary);
  font-size:11px;font-weight:700;
}
.article-body img{
  max-width:100%;
  margin:28px auto;
  border-radius:var(--r-img);
  box-shadow:var(--shadow-1);
}
.article-body figure{margin:28px 0}
.article-body figcaption{
  margin-top:10px;
  text-align:center;
  font-size:13px;
  color:var(--text-weak);
}
.article-body hr{
  border:0;height:1px;background:var(--border);margin:36px 0;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--border);border-radius:var(--r-img);overflow:hidden;
}
.article-body thead th{
  background:var(--primary-light);color:var(--primary-deep);
  font-weight:700;text-align:left;padding:12px 14px;
}
.article-body tbody td{padding:12px 14px;border-top:1px solid var(--border)}
.article-body tbody tr:nth-child(even){background:#FBFAFF}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:64px 24px;
  border:1px dashed #CDB9F5;
  border-radius:var(--r-lg);
  background:#FBFAFF;
  text-align:center;
}
.empty-icon{
  width:52px;height:52px;border-radius:16px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);
}
.empty-state p{color:var(--text-mid);font-size:15px}
/* ---------- 侧栏 ---------- */
.sidebar{
  position:sticky;
  top:96px;
  display:flex;flex-direction:column;gap:20px;
}
.side-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--shadow-1);
}
.side-card-title{
  font-size:15px;
  font-weight:700;
  color:var(--text);
  margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.side-card-title::before{
  content:"";
  width:14px;height:3px;border-radius:2px;
  background:var(--brand-gradient);
}
.side-list{display:flex;flex-direction:column;gap:14px}
.side-item{
  display:flex;gap:12px;
  padding:8px;
  border-radius:14px;
  transition:background var(--t),transform var(--t);
}
.side-item:hover{background:#FAF7FF;transform:translateX(2px)}
.side-item img{
  width:80px;height:80px;flex:0 0 80px;
  object-fit:cover;
  border-radius:12px;
  background:var(--primary-light);
}
.side-item-body{min-width:0;display:flex;flex-direction:column;gap:6px}
.side-item-title{
  font-size:14px;font-weight:600;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--t);
}
.side-item:hover .side-item-title{color:var(--primary)}
.side-item-time{font-size:12.5px;color:var(--text-weak)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;
  height:32px;padding:0 14px;
  border-radius:999px;
  background:#F5F0FF;
  border:1px solid var(--border);
  font-size:13px;color:var(--text-mid);
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t);
}
.tag:hover{background:var(--primary-light);color:var(--primary);border-color:#CDB9F5;transform:translateY(-2px)}
.side-note{
  font-size:13px;color:var(--text-weak);line-height:1.7;
}
.side-btn{width:100%}
/* ---------- 互动条 ---------- */
.engage-bar{
  max-width:760px;
  margin:44px 0 0;
  padding:22px 26px;
  border-radius:var(--r-lg);
  background:#F8F4FF;
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.engage-bar p{font-size:15px;font-weight:600;color:var(--primary-deep)}
.engage-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.engage-tip{font-size:13px;color:var(--data);font-weight:600;min-height:20px}
/* ---------- 上/下一篇 ---------- */
.post-nav{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
  margin-top:44px;
}
.post-nav-item{
  display:flex;flex-direction:column;gap:8px;
  padding:20px 22px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.post-nav-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CDB9F5}
.post-nav-label{font-size:12.5px;font-weight:700;color:var(--text-weak);letter-spacing:.04em}
.post-nav-title{font-size:15.5px;font-weight:600;color:var(--text);line-height:1.6}
.post-nav-item:hover .post-nav-title{color:var(--primary)}
.post-nav-item.next{text-align:right;align-items:flex-end}
/* ---------- 相关推荐 ---------- */
.related{padding:0 0 24px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:26px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,30px);
  font-weight:700;letter-spacing:-.01em;line-height:1.3;
}
.section-head p{font-size:14px;color:var(--text-mid);margin-top:8px}
.section-link{
  font-size:14px;font-weight:700;color:var(--primary);
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.section-link:hover{color:var(--accent-deep)}
.related-grid .cell{margin-bottom:24px}
.rel-card{
  display:flex;flex-direction:column;
  height:100%;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.rel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-3);border-color:#CDB9F5}
.rel-media{
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
  background:var(--primary-light);
}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease)}
.rel-card:hover .rel-media img{transform:scale(1.03)}
.rel-badge{
  position:absolute;left:14px;top:14px;
  height:26px;padding:0 12px;
  display:inline-flex;align-items:center;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  color:var(--primary);
  font-size:12px;font-weight:700;
  box-shadow:var(--shadow-1);
}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-title{font-size:16.5px;font-weight:700;line-height:1.5;color:var(--text);transition:color var(--t)}
.rel-card:hover .rel-title{color:var(--primary)}
.rel-desc{
  font-size:13.8px;color:var(--text-mid);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:6px}
.rel-foot span{font-size:13px;font-weight:700;color:var(--primary)}
.rel-arrow{
  width:34px;height:34px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);
  transition:background var(--t),color var(--t),transform var(--t);
}
.rel-card:hover .rel-arrow{background:var(--brand-gradient);color:#fff;transform:rotate(-45deg)}
/* ---------- 返回栏目 CTA ---------- */
.back-cta{
  position:relative;
  margin:20px 0 0;
  padding:2px;
  border-radius:var(--r-xl);
  background:var(--brand-gradient);
  box-shadow:0 18px 40px rgba(108,43,217,.18);
}
.back-cta-inner{
  background:#fff;
  border-radius:calc(var(--r-xl) - 2px);
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
}
.back-cta h2{font-size:24px;font-weight:700;letter-spacing:-.01em;margin-bottom:10px}
.back-cta p{font-size:14.5px;color:var(--text-mid);max-width:620px}
/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:76px;
  padding:72px 0 26px;
  background:linear-gradient(160deg,var(--dark-1) 0%,var(--dark-2) 100%);
  color:rgba(255,255,255,.78);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:40px;
}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:#fff;
  margin-bottom:14px;
}
.footer-desc{font-size:13.8px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px}
.footer-title{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-links a:hover{color:#B79BFF}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:16px}
.subscribe{display:flex;gap:8px}
.subscribe input{
  flex:1;min-width:0;height:40px;
  padding:0 12px;
  border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
  color:#fff;font-size:13.5px;outline:none;
  transition:border-color var(--t),box-shadow var(--t);
}
.subscribe input::placeholder{color:rgba(255,255,255,.45)}
.subscribe input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,61,.2)}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  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:13px;color:rgba(255,255,255,.5);
}
/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .command-search{width:220px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .command-search{display:none}
  .nav-toggle{display:inline-flex}
  .layout-grid{grid-template-columns:1fr;gap:36px}
  .sidebar{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .article-main{padding:30px 22px;border-radius:var(--r-lg)}
  .article-body{font-size:16px}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .post-nav{grid-template-columns:1fr}
  .post-nav-item.next{text-align:left;align-items:flex-start}
  .engage-bar{flex-direction:column;align-items:flex-start}
  .back-cta-inner{padding:30px 24px}
  .back-cta h2{font-size:21px}
}
@media (max-width:639px){
  .container{padding-left:16px;padding-right:16px}
  .header-inner{height:64px;gap:10px}
  .brand{font-size:16.5px}
  .btn-sm{padding:0 14px}
  .article-layout{padding:36px 0 56px}
  .article-hero{padding:26px 0 26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --brand:#6C2BD9;
  --brand-deep:#3A1370;
  --brand-soft:#EDE4FF;
  --brand-light:#F8F4FF;
  --accent:#FF7A3D;
  --accent-dark:#F26320;
  --data:#17B978;
  --bg:#FAF7FF;
  --card:#FFFFFF;
  --dark-1:#1B0F35;
  --dark-2:#2A1450;
  --text:#1F1235;
  --text-2:#6B6280;
  --text-3:#9A93AC;
  --border:#E9E1F7;
  --grad:linear-gradient(135deg,#6C2BD9 0%,#8B4DFF 45%,#FF7A3D 100%);
  --shadow-1:0 2px 8px rgba(31,18,53,.06);
  --shadow-2:0 12px 32px rgba(108,43,217,.12);
  --shadow-3:0 18px 40px rgba(108,43,217,.18);
  --radius-lg:28px;
  --radius-md:22px;
  --radius-img:16px;
  --radius-sm:12px;
  --ease:200ms cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
: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;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-head{margin-bottom:36px;}
.section-head.center{text-align:center;max-width:720px;margin-left:auto;margin-right:auto;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-soft);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
h2{
  font-size:clamp(26px,3vw,34px);
  font-weight:700;line-height:1.25;letter-spacing:-.01em;
}
h2 .bar{
  display:block;width:48px;height:5px;border-radius:999px;
  background:var(--grad);margin-bottom:18px;
}
.section-head.center h2 .bar{margin-left:auto;margin-right:auto;}
h3{font-size:21px;font-weight:600;line-height:1.4;}
.section-desc{margin-top:14px;color:var(--text-2);font-size:16px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--border);
  box-shadow:0 8px 24px rgba(31,18,53,.07);
}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);
  display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(108,43,217,.35);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--text);}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.main-nav a{
  position:relative;
  padding:8px 12px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:color var(--ease),background var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.main-nav a:hover{color:var(--brand);}
.main-nav a:hover::after,
.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--brand);font-weight:700;}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:270px;height:40px;padding:0 12px;
  background:var(--brand-soft);
  border:1px solid transparent;border-radius:var(--radius-sm);
  transition:border-color var(--ease),background var(--ease);
}
.command-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(108,43,217,.12);}
.command-search i{color:var(--brand);font-size:13px;}
.command-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);
}
.command-search input::placeholder{color:var(--text-3);}
.kbd{
  font-size:11px;font-weight:700;color:var(--text-3);
  background:#fff;border:1px solid var(--border);
  border-radius:6px;padding:2px 6px;line-height:1.4;
}
.icon-btn{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  color:var(--brand);background:#fff;border:1px solid var(--border);
  transition:all var(--ease);
}
.icon-btn:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--border);background:#fff;color:var(--brand);
  place-items:center;font-size:16px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background-position var(--ease),border-color var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn-primary{
  color:#fff;background:var(--grad);background-size:150% 150%;background-position:0 50%;
  box-shadow:0 10px 22px rgba(108,43,217,.28);
}
.btn-primary:hover{transform:translateY(-2px);background-position:100% 50%;box-shadow:0 16px 30px rgba(108,43,217,.34);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(108,43,217,.24);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--border);}
.btn-ghost:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}

/* ---------- Mobile drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(27,15,53,.5);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:90;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:#fff;z-index:100;padding:22px 20px 32px;
  transform:translateX(105%);transition:transform 260ms cubic-bezier(.2,.8,.2,1);
  display:flex;flex-direction:column;gap:20px;overflow-y:auto;
  box-shadow:-16px 0 40px rgba(31,18,53,.18);
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--border);
  display:grid;place-items:center;font-size:18px;color:var(--text-2);
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  padding:12px 14px;border-radius:12px;font-size:15px;font-weight:500;color:var(--text-2);
  transition:background var(--ease),color var(--ease);
}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand);}
.drawer-nav a.active{background:var(--brand-soft);color:var(--brand);font-weight:700;}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;
  min-height:288px;
  display:flex;align-items:center;
  color:#fff;
  border-radius:0 0 var(--radius-lg) var(--radius-lg);
  overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(27,15,53,.94) 0%,rgba(58,19,112,.82) 48%,rgba(255,122,61,.42) 100%);
}
.page-banner::after{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  right:-140px;top:-200px;
  background:radial-gradient(circle,rgba(139,77,255,.55) 0%,rgba(139,77,255,0) 70%);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;padding:52px 0 54px;width:100%;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.5;}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  color:#fff;margin-bottom:18px;
}
.banner-title{
  font-size:clamp(32px,4.4vw,52px);
  font-weight:800;line-height:1.15;letter-spacing:-.02em;
}
.banner-title .h1-brand{
  display:inline-block;margin-left:14px;font-size:.46em;font-weight:700;
  color:#D9C6FF;letter-spacing:.02em;vertical-align:middle;
}
.banner-sub{
  margin-top:16px;max-width:640px;
  font-size:16px;color:rgba(255,255,255,.82);
}
.banner-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;
  font-size:13px;font-weight:700;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);color:#fff;
}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--data);}

/* ---------- Z sections ---------- */
.z-block{
  display:grid;grid-template-columns:1fr 1fr;
  gap:56px;align-items:center;
}
.z-block + .z-block{margin-top:88px;}
.z-block.reverse .z-media{order:2;}
.z-media{
  position:relative;
  border-radius:var(--radius-md);
  overflow:hidden;
  aspect-ratio:4/3;
  box-shadow:var(--shadow-2);
}
.z-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.8,.2,1);}
.z-media:hover img{transform:scale(1.03);}
.z-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(27,15,53,0) 45%,rgba(27,15,53,.35) 100%);
}
.z-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:14px;
  background:var(--grad);color:#fff;
  font-family:Inter,"HarmonyOS Sans SC",sans-serif;
  font-size:15px;font-weight:800;letter-spacing:.04em;
  box-shadow:0 10px 22px rgba(108,43,217,.26);
  margin-bottom:18px;
}
.z-text h3{margin-bottom:14px;}
.z-text p{color:var(--text-2);font-size:16px;}
.z-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;
  font-size:13px;font-weight:600;
  background:var(--brand-soft);color:var(--brand);
  border:1px solid #DDD0FB;
}
.tag.warm{background:#FFEDE4;color:var(--accent-dark);border-color:#FFD3BE;}
.tag.data{background:#E4F8F0;color:#0F8A5B;border-color:#BFEEDC;}

/* ---------- Feature cards ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:28px 24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-3);border-color:#D9C6FF;}
.card-icon{
  width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);
  font-size:18px;margin-bottom:18px;
}
.card h3{font-size:18px;margin-bottom:10px;}
.card p{color:var(--text-2);font-size:15px;}

/* ---------- Scene list ---------- */
.scene-panel{
  background:linear-gradient(160deg,#FFFFFF 0%,#F8F4FF 100%);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:44px;
  box-shadow:var(--shadow-1);
}
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:28px;}
.scene-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-img);padding:18px 20px;
  transition:border-color var(--ease),transform var(--ease);
}
.scene-item:hover{border-color:var(--brand);transform:translateY(-3px);}
.scene-item i{color:var(--accent);font-size:16px;margin-top:4px;}
.scene-item span{font-size:15px;color:var(--text-2);}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step;}
.step{
  position:relative;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:30px 24px 26px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);}
.step-no{
  font-family:Inter,"HarmonyOS Sans SC",sans-serif;
  font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--brand);
  display:block;margin-bottom:12px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:18px;
  overflow:hidden;transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.faq-item.open{border-color:var(--brand);background:var(--brand-light);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
}
.faq-icon{
  position:relative;flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  background:var(--brand-soft);
  transition:transform var(--ease),background var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
  transition:background var(--ease);
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);}
.faq-item.open .faq-icon::before,
.faq-item.open .faq-icon::after{background:#fff;}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 260ms cubic-bezier(.2,.8,.2,1);}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{padding:0 22px 22px;color:var(--text-2);font-size:15px;}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  padding:56px 48px;
  background:linear-gradient(140deg,#2A1450 0%,#3A1370 55%,#6C2BD9 100%);
  color:#fff;
  display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:center;
  box-shadow:var(--shadow-3);
}
.cta-card::before{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,61,.45) 0%,rgba(255,122,61,0) 70%);
}
.cta-card > *{position:relative;z-index:2;}
.cta-card h2{color:#fff;font-size:clamp(24px,2.6vw,32px);}
.cta-card p{margin-top:14px;color:rgba(255,255,255,.78);font-size:15px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-card .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.36);}
.cta-card .btn-ghost:hover{background:rgba(255,255,255,.2);border-color:#fff;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:96px;
  background:linear-gradient(160deg,var(--dark-1) 0%,var(--dark-2) 100%);
  color:rgba(255,255,255,.7);
  padding:72px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.5fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:800;}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-links a:hover{color:#C7A6FF;}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.66);}
.subscribe{display:flex;gap:8px;margin-top:16px;}
.subscribe input{
  flex:1;min-width:0;height:44px;padding:0 14px;
  border-radius:var(--radius-sm);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
  color:#fff;font-size:14px;outline:none;
  transition:border-color var(--ease),background var(--ease);
}
.subscribe input::placeholder{color:rgba(255,255,255,.42);}
.subscribe input:focus{border-color:var(--accent);background:rgba(255,255,255,.14);}
.subscribe .btn-primary{box-shadow:none;height:44px;}
.form-hint{color:rgba(255,255,255,.5);margin-top:10px;font-size:13px;}
.footer-bottom{
  margin-top:56px;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 20px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .command-search{display:none;}
  .menu-toggle{display:grid;}
  .header-actions .btn{display:none;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .cta-card{grid-template-columns:1fr;padding:44px 32px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px;}
  .section{padding:72px 0;}
}
@media (max-width:900px){
  .z-block{grid-template-columns:1fr;gap:30px;}
  .z-block.reverse .z-media{order:0;}
  .z-block + .z-block{margin-top:56px;}
  .scene-panel{padding:32px 24px;}
  .scene-grid{grid-template-columns:1fr;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .header-inner{height:64px;gap:14px;}
  .brand-text{font-size:17px;}
  .page-banner{min-height:0;border-radius:0 0 22px 22px;}
  .banner-inner{padding:36px 0 40px;}
  .banner-title .h1-brand{display:block;margin:8px 0 0;font-size:.5em;}
  .grid-4{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .section-sm{padding:44px 0;}
  .cta-card{padding:34px 22px;border-radius:22px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left;}
  .site-footer{margin-top:64px;padding-top:52px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --brand:#6C2BD9;
  --brand-deep:#3A1370;
  --brand-soft:#EDE4FF;
  --accent:#FF7A3D;
  --accent-dark:#F26320;
  --data:#17B978;
  --bg:#FAF7FF;
  --card:#FFFFFF;
  --dark-1:#1B0F35;
  --dark-2:#2A1450;
  --text:#1F1235;
  --text-2:#6B6280;
  --text-3:#9A93AC;
  --border:#E9E1F7;
  --grad:linear-gradient(135deg,#6C2BD9 0%,#8B4DFF 45%,#FF7A3D 100%);
  --r-lg:28px;
  --r-md:22px;
  --r-img:16px;
  --r-input:12px;
  --sh-1:0 2px 8px rgba(31,18,53,.06);
  --sh-2:0 12px 32px rgba(108,43,217,.12);
  --sh-3:0 12px 32px rgba(108,43,217,.18);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Inter,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--text)}
h1{font-size:clamp(34px,4.6vw,56px);font-weight:800;line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(26px,3vw,34px)}
h3{font-size:20px;font-weight:600}
p{margin:0}
: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}
@media(min-width:1440px){.container{max-width:1320px}}
@media(max-width:640px){.container{padding:0 16px}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-position .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background-image:var(--grad);background-size:150% 150%;background-position:0 0;color:#fff;
  box-shadow:0 8px 22px rgba(108,43,217,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(108,43,217,.32);background-position:100% 0;color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(108,43,217,.22)}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--border);box-shadow:var(--sh-1)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--sh-2);color:var(--brand)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--border);box-shadow:0 8px 26px rgba(31,18,53,.08)}
.header-inner{display:flex;align-items:center;gap:26px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--text);flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background-image:var(--grad);box-shadow:0 6px 16px rgba(108,43,217,.28);
}
.brand-text{white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:6px}
.main-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 2px;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background-image:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--brand);font-weight:600}
.main-nav a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.command-search{
  position:relative;display:flex;align-items:center;
  width:280px;height:42px;border-radius:var(--r-input);
  background:var(--brand-soft);border:1px solid transparent;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.command-search:focus-within{border-color:var(--brand);background:#fff}
.command-search svg{margin:0 10px 0 14px;flex:0 0 auto;color:var(--brand)}
.command-search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);
}
.command-search input::placeholder{color:var(--text-3)}
.kbd{
  flex:0 0 auto;margin-right:8px;padding:2px 7px;border-radius:6px;
  background:#fff;border:1px solid var(--border);
  font-size:11px;font-weight:600;color:var(--text-3);letter-spacing:.02em;
}
.icon-btn{
  width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--border);color:var(--brand);box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
}
.icon-btn:hover{transform:translateY(-2px);box-shadow:var(--sh-2);color:var(--brand)}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;background:#fff;border:1px solid var(--border);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;box-shadow:var(--sh-1);
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.2s var(--ease)}

/* ---------- mobile drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(27,15,53,.5);z-index:70;opacity:0;pointer-events:none;
  transition:opacity .25s var(--ease);
}
.drawer-mask.show{opacity:1;pointer-events:auto}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);z-index:80;
  background:#fff;padding:22px 22px 32px;overflow-y:auto;
  transform:translateX(102%);transition:transform .3s var(--ease);
  box-shadow:-18px 0 48px rgba(31,18,53,.18);
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:36px;height:36px;border-radius:10px;background:var(--brand-soft);color:var(--brand-deep);font-size:20px;line-height:1;display:inline-flex;align-items:center;justify-content:center}
.drawer-search{width:100%;margin-bottom:20px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.drawer-nav a{
  padding:12px 14px;border-radius:12px;font-size:15px;font-weight:500;color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-nav a:hover{background:#F8F4FF;color:var(--brand)}
.drawer-nav a.active{background:var(--brand-soft);color:var(--brand);font-weight:600}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;display:flex;align-items:flex-end;
  min-height:240px;padding:48px 0 36px;
  background-image:linear-gradient(120deg,rgba(58,19,112,.90) 0%,rgba(108,43,217,.66) 55%,rgba(255,122,61,.55) 100%),url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;top:-120px;left:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(139,77,255,.55),rgba(139,77,255,0) 70%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:14px}
.breadcrumb a{color:rgba(255,255,255,.78)}
.breadcrumb a:hover{color:#fff}
.breadcrumb span.sep{opacity:.6}
.page-hero h1{color:#fff;max-width:880px}
.page-hero .hero-sub{
  margin-top:14px;font-size:16px;color:rgba(255,255,255,.88);max-width:620px;
}

/* ---------- section base ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);
  margin-bottom:10px;
}
.section-head h2{position:relative;padding-left:18px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:6px;border-radius:6px;background-image:var(--grad);
}
.section-head p{color:var(--text-2);font-size:15px;max-width:560px;margin-top:10px}
.link-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-more:hover{gap:10px;color:var(--accent-dark)}

/* ---------- stat band ---------- */
.stat-band{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:26px;margin-top:-56px;position:relative;z-index:5;
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.stat-item{display:flex;align-items:center;gap:14px;padding:6px 10px}
.stat-icon{
  width:44px;height:44px;border-radius:14px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);
}
.stat-item:nth-child(2) .stat-icon{background:#FFF1E8;color:var(--accent-dark)}
.stat-item:nth-child(3) .stat-icon{background:#E4F8EF;color:var(--data)}
.stat-num{font-size:22px;font-weight:800;line-height:1.1;color:var(--text)}
.stat-label{font-size:13px;color:var(--text-2)}

/* ---------- intro cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.intro-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  display:flex;flex-direction:column;
}
.intro-card:hover{transform:translateY(-6px);box-shadow:var(--sh-3)}
.intro-card .thumb{position:relative;aspect-ratio:4/3;overflow:hidden}
.intro-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.intro-card:hover .thumb img{transform:scale(1.03)}
.badge{
  position:absolute;top:14px;left:14px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:700;color:#fff;background-image:var(--grad);
  box-shadow:0 6px 16px rgba(108,43,217,.25);
}
.badge.orange{background-image:linear-gradient(135deg,#FF7A3D 0%,#F26320 100%);box-shadow:0 6px 16px rgba(242,99,32,.28)}
.intro-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.intro-body h3{font-size:19px}
.intro-body p{font-size:14.5px;color:var(--text-2)}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:12px}
.card-foot .arrow{color:var(--brand);font-weight:700;font-size:15px}

/* ---------- timeline ---------- */
.timeline-wrap{position:relative;max-width:900px;margin:0 auto}
.timeline{position:relative;padding:8px 0}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(108,43,217,0),rgba(108,43,217,.55) 12%,rgba(255,122,61,.55) 88%,rgba(255,122,61,0));
}
.tl-item{position:relative;width:50%;padding:0 52px 44px 0}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 44px 52px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;top:14px;right:-10px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:4px solid var(--brand);box-shadow:0 0 0 5px rgba(108,43,217,.10);
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.tl-item:nth-child(even)::before{left:-10px;right:auto;border-color:var(--accent)}
.tl-item:hover::before{box-shadow:0 0 0 8px rgba(108,43,217,.16)}
.tl-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCCCFB}
.tl-num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:38px;height:26px;padding:0 10px;border-radius:8px;
  font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--brand);background:var(--brand-soft);
  margin-bottom:12px;
}
.tl-item:nth-child(even) .tl-num{color:var(--accent-dark);background:#FFF1E8}
.tl-card h3{font-size:18px;margin-bottom:8px}
.tl-card p{font-size:14.5px;color:var(--text-2)}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--text-2);background:#F6F2FF;border:1px solid var(--border);
}
.tag.ok{color:#0E7A50;background:#E4F8EF;border-color:#C6EFDD}

/* ---------- feature split ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.feature .figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--sh-2);
}
.feature .figure img{width:100%;height:100%;object-fit:cover}
.feature .figure .float-chip{
  position:absolute;left:18px;bottom:18px;padding:10px 16px;border-radius:14px;
  background:rgba(255,255,255,.94);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  box-shadow:0 10px 26px rgba(31,18,53,.16);
  font-size:13px;font-weight:700;color:var(--brand-deep);display:flex;align-items:center;gap:8px;
}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--data);box-shadow:0 0 0 4px rgba(23,185,120,.18)}
.feature-copy h2{padding-left:18px;position:relative;margin-bottom:16px}
.feature-copy h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:6px;border-radius:6px;background-image:var(--grad)}
.feature-copy p{color:var(--text-2);margin-bottom:14px}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:18px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text-2)}
.check-list .ic{
  width:22px;height:22px;border-radius:8px;flex:0 0 auto;margin-top:3px;
  background:var(--brand-soft);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;
}

/* ---------- notice list ---------- */
.notice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.notice{
  display:flex;gap:16px;background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-1);transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.notice:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.notice .idx{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;color:#fff;background-image:var(--grad);
}
.notice:nth-child(2n) .idx{background-image:linear-gradient(135deg,#FF7A3D,#F26320)}
.notice h3{font-size:16px;margin-bottom:6px}
.notice p{font-size:14px;color:var(--text-2)}

/* ---------- faq ---------- */
.faq{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;transition:border-color .25s var(--ease),background .25s var(--ease);
}
.faq-item.open{border-color:var(--brand);background:#F8F4FF}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
}
.faq-q .plus{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;line-height:1;
  transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 24px 22px;font-size:14.5px;color:var(--text-2)}

/* ---------- cta ---------- */
.cta-card{
  position:relative;border-radius:var(--r-lg);background:#fff;padding:52px 40px;text-align:center;
  box-shadow:var(--sh-2);overflow:hidden;
}
.cta-card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:2px;background-image:var(--grad);
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.cta-card::after{
  content:"";position:absolute;right:-110px;top:-110px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,61,.22),rgba(255,122,61,0) 70%);pointer-events:none;
}
.cta-card h2{position:relative;z-index:2;margin-bottom:14px}
.cta-card p{position:relative;z-index:2;color:var(--text-2);max-width:560px;margin:0 auto 28px}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- footer ---------- */
.site-footer{
  background:linear-gradient(160deg,var(--dark-1) 0%,var(--dark-2) 100%);
  color:rgba(255,255,255,.72);padding:76px 0 28px;margin-top:8px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-links a:hover{color:#B79BFF}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.66)}
.subscribe{display:flex;gap:8px}
.subscribe input{
  flex:1 1 auto;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;outline:none;
  font-size:14px;transition:border-color .2s var(--ease),background .2s var(--ease);
}
.subscribe input::placeholder{color:rgba(255,255,255,.42)}
.subscribe input:focus{border-color:var(--brand);background:rgba(255,255,255,.14)}
.subscribe .btn-sm{height:44px;flex:0 0 auto}
.form-hint{font-size:13px;color:rgba(255,255,255,.5);margin-top:10px}
.form-hint.error{color:#FFB08A}
.footer-bottom{
  margin-top:52px;padding-top:22px;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,.48);
}

/* ---------- responsive ---------- */
@media(max-width:1023px){
  .main-nav{display:none}
  .command-search{display:none}
  .header-actions .icon-btn{display:none}
  .menu-toggle{display:inline-flex}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .stat-band{grid-template-columns:1fr 1fr;padding:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media(max-width:767px){
  .section{padding:60px 0}
  .section.tight{padding:52px 0}
  .page-hero{min-height:220px;padding:40px 0 30px}
  .grid-3,.grid-2,.notice-grid,.feature{grid-template-columns:1fr}
  .feature{gap:28px}
  .stat-band{grid-template-columns:1fr;margin-top:-44px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .timeline::before{left:10px;transform:none}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 32px 40px}
  .tl-item::before,.tl-item:nth-child(even)::before{left:1px;right:auto;top:16px}
  .cta-card{padding:38px 22px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column}
  .subscribe{flex-direction:column}
  .subscribe .btn-sm{width:100%}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category4 */
:root{
  --primary:#6C2BD9;
  --primary-deep:#3A1370;
  --primary-light:#EDE4FF;
  --primary-soft:#F8F4FF;
  --accent:#FF7A3D;
  --accent-dark:#F26320;
  --data:#17B978;
  --bg:#FAF7FF;
  --card:#FFFFFF;
  --dark:#1B0F35;
  --dark-2:#2A1450;
  --text:#1F1235;
  --text-2:#6B6280;
  --text-3:#9A93AC;
  --border:#E9E1F7;
  --grad:linear-gradient(135deg,#6C2BD9 0%,#8B4DFF 45%,#FF7A3D 100%);
  --r-lg:28px;
  --r-md:22px;
  --r-img:16px;
  --r-in:12px;
  --sh-1:0 2px 8px rgba(31,18,53,.06);
  --sh-2:0 12px 32px rgba(108,43,217,.12);
  --sh-3:0 16px 40px rgba(108,43,217,.18);
  --t:200ms cubic-bezier(.2,.8,.2,1);
}

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

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

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;border-style:none;}
a{color:var(--primary);text-decoration:none;transition:color var(--t),opacity var(--t);}
a:hover{color:var(--primary-deep);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
button{border:0;background:none;cursor:pointer;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
table{border-collapse:collapse;width:100%;}

:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){ .container{max-width:1320px;} }
@media (max-width:640px){ .container{padding:0 16px;} }

/* ---------- 顶部命令栏导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--t),border-color var(--t),background var(--t);
}
.site-header.scrolled{
  border-bottom-color:var(--border);
  box-shadow:0 6px 24px rgba(31,18,53,.07);
  background:rgba(255,255,255,.94);
}
.nav-bar{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text);
  flex:0 0 auto;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:32px;height:32px;
  border-radius:10px;
  background:var(--grad);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px rgba(108,43,217,.28);
}
.brand-mark svg{display:block;}

.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1 1 auto;
  min-width:0;
  overflow:hidden;
}
.main-nav a{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  white-space:nowrap;
  border-radius:10px;
  transition:color var(--t),background var(--t);
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t);
}
.main-nav a:hover{color:var(--primary);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--primary);font-weight:600;}
.main-nav a.active::after{transform:scaleX(1);}

.nav-tools{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.command-search{
  position:relative;
  display:flex;
  align-items:center;
  width:280px;
  height:42px;
  padding:0 12px;
  background:var(--primary-light);
  border:1px solid transparent;
  border-radius:var(--r-in);
  transition:border-color var(--t),background var(--t),box-shadow var(--t);
}
.command-search:focus-within{
  background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(108,43,217,.14);
}
.command-search svg{flex:0 0 auto;stroke:var(--text-3);}
.command-search input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  background:transparent;
  padding:0 8px;
  font-size:14px;
  color:var(--text);
  outline:none;
}
.command-search input::placeholder{color:var(--text-3);}
.kbd{
  flex:0 0 auto;
  font-size:11px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--text-2);
  background:#fff;
  border:1px solid var(--border);
  border-bottom-width:2px;
  border-radius:6px;
  padding:2px 6px;
}
.icon-btn{
  width:42px;height:42px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--text-2);
  transition:color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--sh-1);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  border-radius:999px;
  padding:12px 24px;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t),filter var(--t);
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{
  background-image:var(--grad);
  background-size:140% 140%;
  background-position:0% 50%;
  color:#fff;
  box-shadow:0 8px 22px rgba(108,43,217,.26);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(108,43,217,.32);
  background-position:6% 50%;
}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(108,43,217,.24);}
.btn-ghost{
  background:#fff;
  color:var(--primary);
  border:1px solid var(--border);
  box-shadow:var(--sh-1);
}
.btn-ghost:hover{color:var(--primary-deep);border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost:active{transform:translateY(0);}

.nav-burger{
  display:none;
  width:42px;height:42px;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--text);
}
.nav-burger span{
  display:block;
  width:18px;height:2px;
  background:currentColor;
  border-radius:2px;
  position:relative;
}
.nav-burger span::before,
.nav-burger span::after{
  content:"";
  position:absolute;left:0;
  width:18px;height:2px;background:currentColor;border-radius:2px;
}
.nav-burger span::before{top:-6px;}
.nav-burger span::after{top:6px;}

/* ---------- 移动抽屉 ---------- */
.nav-mask{
  position:fixed;
  inset:0;
  background:rgba(27,15,53,.5);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--t),visibility var(--t);
  z-index:70;
}
.nav-mask.show{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;
  top:0;right:0;
  width:min(360px,88vw);
  height:100%;
  background:#fff;
  z-index:80;
  padding:22px 20px 32px;
  transform:translateX(104%);
  transition:transform 260ms cubic-bezier(.2,.8,.2,1);
  display:flex;
  flex-direction:column;
  gap:18px;
  overflow-y:auto;
}
.nav-drawer.show{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.drawer-close{
  width:38px;height:38px;
  border-radius:12px;
  border:1px solid var(--border);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);
}
.drawer-close:hover{color:var(--primary);border-color:var(--primary);}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{
  padding:12px 14px;
  border-radius:12px;
  font-size:16px;
  font-weight:500;
  color:var(--text-2);
  background:#fff;
}
.drawer-links a:hover{background:var(--primary-soft);color:var(--primary);}
.drawer-links a.active{background:var(--primary-light);color:var(--primary);font-weight:700;}
.drawer-search{
  display:flex;align-items:center;gap:8px;
  height:48px;padding:0 12px;
  background:var(--primary-light);
  border-radius:var(--r-in);
}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:15px;color:var(--text);}
.drawer-search input::placeholder{color:var(--text-3);}

/* ---------- 分类横幅 ---------- */
.cat-banner{
  position:relative;
  min-height:240px;
  display:flex;
  align-items:flex-end;
  background-image:linear-gradient(120deg,rgba(27,15,53,.86) 0%,rgba(58,19,112,.7) 48%,rgba(255,122,61,.42) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  border-radius:0 0 var(--r-lg) var(--r-lg);
  overflow:hidden;
}
.cat-banner::after{
  content:"";
  position:absolute;
  top:-90px;left:-60px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28) 0%,rgba(255,255,255,0) 68%);
  pointer-events:none;
}
.banner-inner{
  position:relative;
  z-index:2;
  padding:44px 0 34px;
  width:100%;
}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.78);
  margin-bottom:14px;
}
.crumbs a{color:rgba(255,255,255,.9);}
.crumbs a:hover{color:#fff;}
.crumbs .sep{opacity:.5;}
.crumbs .cur{color:#fff;font-weight:600;}
.cat-banner h1{
  color:#fff;
  font-size:clamp(34px,4.6vw,56px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
  max-width:820px;
}
.banner-sub{
  margin-top:12px;
  color:rgba(255,255,255,.86);
  font-size:15px;
  max-width:620px;
}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
@media (max-width:1023px){ .section{padding:72px 0;} }
@media (max-width:640px){ .section{padding:56px 0;} .section-sm{padding:48px 0;} }

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-title{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
}
.section-title::before{
  content:"";
  display:block;
  width:46px;height:4px;
  border-radius:4px;
  background:var(--grad);
  margin-bottom:14px;
}
.section-desc{
  margin-top:12px;
  color:var(--text-2);
  font-size:15px;
  max-width:720px;
}
.link-more{
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.link-more:hover{gap:10px;}

/* ---------- 数据徽章 ---------- */
.stat-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
@media (max-width:900px){ .stat-row{grid-template-columns:repeat(2,1fr);} }
@media (max-width:520px){ .stat-row{grid-template-columns:1fr;} }
.stat-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:22px 20px;
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.stat-num{
  font-family:Inter,"HarmonyOS Sans SC",system-ui,sans-serif;
  font-size:30px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--primary);
}
.stat-num.data{color:var(--data);}
.stat-label{margin-top:6px;font-size:14px;color:var(--text-2);}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:700;
  line-height:1;
  padding:6px 10px;
  border-radius:999px;
}
.badge-grad{background:var(--grad);color:#fff;}
.badge-soft{background:var(--primary-light);color:var(--primary);}
.badge-accent{background:rgba(255,122,61,.14);color:var(--accent-dark);}
.badge-data{background:rgba(23,185,120,.13);color:#0E8557;}

/* ---------- 对比表 ---------- */
.table-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:10px;
  overflow:hidden;
}
.compare-table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  border-radius:20px;
  overflow:hidden;
  font-size:15px;
}
.compare-table thead th{
  background:var(--grad);
  color:#fff;
  font-size:14px;
  font-weight:700;
  text-align:left;
  padding:16px 16px;
  white-space:nowrap;
  letter-spacing:.01em;
}
.compare-table tbody td{
  padding:16px;
  border-bottom:1px solid var(--border);
  color:var(--text-2);
  vertical-align:middle;
}
.compare-table tbody tr:nth-child(odd) td{background:#FBF8FF;}
.compare-table tbody tr:nth-child(even) td{background:#fff;}
.compare-table tbody tr:hover td{background:var(--primary-soft);}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table td.name{
  font-weight:700;
  color:var(--text);
  font-size:15px;
}
.compare-table td.range{
  font-family:Inter,"HarmonyOS Sans SC",system-ui,sans-serif;
  color:var(--text);
  font-weight:600;
}
.compare-table td.score{
  font-family:Inter,"HarmonyOS Sans SC",system-ui,sans-serif;
  font-weight:800;
  color:var(--data);
}
.table-note{
  margin-top:16px;
  font-size:13px;
  color:var(--text-3);
}

@media (max-width:767px){
  .table-card{padding:0;border:0;box-shadow:none;background:transparent;}
  .compare-table thead{display:none;}
  .compare-table,
  .compare-table tbody,
  .compare-table tr,
  .compare-table td{display:block;width:100%;}
  .compare-table{border-radius:0;}
  .compare-table tbody tr{
    background:#fff;
    border:1px solid var(--border);
    border-radius:var(--r-md);
    box-shadow:var(--sh-1);
    padding:8px 6px;
    margin-bottom:16px;
  }
  .compare-table tbody tr:nth-child(odd) td,
  .compare-table tbody tr:nth-child(even) td{background:transparent;}
  .compare-table tbody tr:hover td{background:transparent;}
  .compare-table tbody td{
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:16px;
    border-bottom:1px dashed var(--border);
    padding:12px 14px;
    font-size:14px;
  }
  .compare-table tbody td:last-child{border-bottom:0;}
  .compare-table tbody td::before{
    content:attr(data-label);
    flex:0 0 84px;
    color:var(--text-3);
    font-size:13px;
    font-weight:600;
  }
  .compare-table td.name{font-size:16px;}
}

/* ---------- 差异解读卡 ---------- */
.diff-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
@media (max-width:1023px){ .diff-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:640px){ .diff-grid{grid-template-columns:1fr;} }
.diff-card{
  position:relative;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:28px 24px;
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.diff-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:#DCCCFB;}
.diff-index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border-radius:12px;
  background:var(--primary-light);
  color:var(--primary);
  font-family:Inter,system-ui,sans-serif;
  font-weight:800;
  font-size:15px;
  margin-bottom:16px;
}
.diff-card h3{font-size:20px;font-weight:600;margin-bottom:10px;}
.diff-card p{font-size:15px;color:var(--text-2);}

/* ---------- 适用场景（图文） ---------- */
.scene{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
  align-items:center;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:36px;
  box-shadow:var(--sh-1);
}
@media (max-width:900px){ .scene{grid-template-columns:1fr;gap:26px;padding:24px;} }
.scene-media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  aspect-ratio:4/3;
  background:var(--primary-light);
}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.8,.2,1);}
.scene:hover .scene-media img{transform:scale(1.03);}
.scene-float{
  position:absolute;
  left:16px;bottom:16px;
  background:rgba(255,255,255,.94);
  border-radius:14px;
  padding:10px 14px;
  box-shadow:var(--sh-2);
  font-size:13px;
  font-weight:700;
  color:var(--text);
  display:flex;
  align-items:center;
  gap:8px;
}
.dot-live{
  width:8px;height:8px;border-radius:50%;
  background:var(--data);
  box-shadow:0 0 0 4px rgba(23,185,120,.18);
}
.scene h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.32;margin-bottom:14px;}
.scene p{color:var(--text-2);font-size:15px;}
.scene-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.scene-list li{
  display:flex;
  gap:10px;
  font-size:15px;
  color:var(--text-2);
}
.scene-list li strong{color:var(--text);font-weight:700;}
.tick{
  flex:0 0 22px;
  width:22px;height:22px;
  border-radius:7px;
  background:var(--primary-light);
  color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;
  margin-top:3px;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.faq-item.open{border-color:var(--primary);background:var(--primary-soft);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  text-align:left;
  padding:20px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  flex:0 0 26px;
  width:26px;height:26px;
  border-radius:9px;
  border:1px solid var(--border);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--primary);
  transition:transform var(--t),background var(--t),border-color var(--t),color var(--t);
  font-size:16px;
  line-height:1;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--primary);border-color:var(--primary);color:#fff;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms cubic-bezier(.2,.8,.2,1);
}
.faq-a-inner{
  padding:0 22px 22px;
  font-size:15px;
  color:var(--text-2);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  padding:52px 44px;
  background:linear-gradient(135deg,#1B0F35 0%,#2A1450 100%);
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band::before{
  content:"";
  position:absolute;
  top:-120px;right:-60px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,61,.32) 0%,rgba(108,43,217,0) 70%);
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:var(--r-lg);
  padding:1px;
  background:var(--grad);
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
  pointer-events:none;
  opacity:.6;
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{
  color:#fff;
  font-size:clamp(22px,2.6vw,32px);
  font-weight:800;
  line-height:1.3;
  letter-spacing:-.01em;
}
.cta-copy p{margin-top:12px;color:rgba(255,255,255,.76);font-size:15px;}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}
.btn-light{
  background:#fff;
  color:var(--primary);
  box-shadow:0 10px 26px rgba(0,0,0,.2);
}
.btn-light:hover{color:var(--primary-deep);transform:translateY(-2px);box-shadow:0 16px 32px rgba(0,0,0,.26);}
.btn-line{
  border:1px solid rgba(255,255,255,.4);
  color:#fff;
}
.btn-line:hover{color:#fff;border-color:#fff;transform:translateY(-2px);}
@media (max-width:640px){
  .cta-band{padding:36px 22px;border-radius:var(--r-md);}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;
  background:linear-gradient(160deg,#1B0F35 0%,#2A1450 100%);
  color:rgba(255,255,255,.78);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:36px;
}
@media (max-width:1023px){ .footer-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:640px){ .footer-grid{grid-template-columns:1fr;gap:28px;} }
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:17px;
  font-weight:800;
  margin-bottom:14px;
}
.footer-brand:hover{color:#fff;}
.footer-desc{font-size:14px;color:rgba(255,255,255,.62);max-width:340px;}
.footer-title{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--accent);}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:18px;}
.subscribe{display:flex;gap:10px;flex-wrap:wrap;}
.subscribe input{
  flex:1 1 160px;
  min-width:0;
  height:48px;
  padding:0 14px;
  border-radius:var(--r-in);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  color:#fff;
  font-size:14px;
  outline:none;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.subscribe input::placeholder{color:rgba(255,255,255,.45);}
.subscribe input:focus{border-color:var(--primary);background:rgba(255,255,255,.14);box-shadow:0 0 0 3px rgba(108,43,217,.35);}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

@media (max-width:1023px){
  .nav-tools .command-search{display:none;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-burger{display:inline-flex;}
}
@media (max-width:520px){
  .nav-tools .icon-btn{display:none;}
  .nav-bar{height:64px;gap:12px;}
  .brand{font-size:16px;}
  .nav-tools .btn-sm{padding:8px 14px;font-size:13px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}

/* roulang page: category5 */
:root{
  --brand:#6C2BD9;
  --brand-deep:#3A1370;
  --brand-light:#EDE4FF;
  --brand-soft:#F8F4FF;
  --accent:#FF7A3D;
  --accent-hover:#F26320;
  --data:#17B978;
  --bg:#FAF7FF;
  --card:#FFFFFF;
  --dark-1:#1B0F35;
  --dark-2:#2A1450;
  --text:#1F1235;
  --text-2:#6B6280;
  --text-3:#9A93AC;
  --border:#E9E1F7;
  --grad:linear-gradient(135deg,#6C2BD9 0%,#8B4DFF 45%,#FF7A3D 100%);
  --r-xl:28px;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(31,18,53,.06);
  --sh-2:0 12px 32px rgba(108,43,217,.12);
  --sh-3:0 16px 40px rgba(108,43,217,.18);
  --ease:cubic-bezier(.2,.8,.2,1);
  --nav-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
::selection{background:var(--brand-light);color:var(--brand-deep)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1320px}}
@media (max-width:639px){.container{padding:0 16px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease),background 200ms var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--border);
  box-shadow:0 6px 24px rgba(31,18,53,.08);
  background:rgba(255,255,255,.96);
}
.header-inner{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:19px;
  letter-spacing:-.01em;
  color:var(--text);
  flex:0 0 auto;
}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:11px;
  background-image:var(--grad);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px rgba(108,43,217,.28);
}
.brand-mark svg{display:block}
.brand:hover .brand-mark{transform:translateY(-1px);transition:transform 200ms var(--ease)}

.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
  flex:1 1 auto;
}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-radius:10px;
  transition:color 200ms var(--ease);
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background-image:var(--grad);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 220ms var(--ease);
}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--brand);font-weight:600}
.main-nav a.active::after{transform:scaleX(1)}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.command-search{
  position:relative;
  width:280px;
}
.command-search input{
  width:100%;
  height:42px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  background:var(--brand-soft);
  padding:0 58px 0 40px;
  font-size:14px;
  color:var(--text);
  transition:border-color 200ms var(--ease),background 200ms var(--ease),box-shadow 200ms var(--ease);
}
.command-search input::placeholder{color:var(--text-3)}
.command-search input:focus{
  outline:none;
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(108,43,217,.14);
}
.command-search .search-icon{
  position:absolute;
  left:13px;
  top:50%;
  transform:translateY(-50%);
  width:16px;
  height:16px;
  color:var(--text-3);
  pointer-events:none;
}
.command-search .kbd{
  position:absolute;
  right:10px;
  top:50%;
  transform:translateY(-50%);
  font-size:11px;
  font-weight:600;
  color:var(--text-3);
  background:#fff;
  border:1px solid var(--border);
  border-radius:7px;
  padding:2px 7px;
  line-height:1.5;
  letter-spacing:.02em;
  pointer-events:none;
}
.icon-btn{
  width:42px;
  height:42px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-sm);
  background:var(--brand-soft);
  color:var(--brand);
  transition:background 200ms var(--ease),transform 200ms var(--ease);
}
.icon-btn:hover{background:var(--brand-light);transform:translateY(-2px)}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:var(--r-sm);
  background:var(--brand-soft);
  color:var(--brand);
  align-items:center;
  justify-content:center;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),background-position 200ms var(--ease),border-color 200ms var(--ease),color 200ms var(--ease);
}
.btn-primary{
  color:#fff;
  background-image:var(--grad);
  background-size:150% 150%;
  background-position:0% 50%;
  box-shadow:0 8px 20px rgba(108,43,217,.26);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-3);background-position:8% 50%}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(108,43,217,.22)}
.btn-ghost{
  color:var(--brand);
  background:#fff;
  border:1px solid var(--border);
  box-shadow:var(--sh-1);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--brand);color:var(--brand-deep);box-shadow:var(--sh-2)}
.btn-ghost:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(27,15,53,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity 220ms var(--ease),visibility 220ms var(--ease);
  z-index:140;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(88vw,360px);
  background:#fff;
  z-index:150;
  transform:translateX(100%);
  transition:transform 260ms var(--ease);
  display:flex;
  flex-direction:column;
  padding:20px;
  gap:18px;
  overflow-y:auto;
  box-shadow:-18px 0 40px rgba(31,18,53,.16);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:38px;height:38px;border-radius:var(--r-sm);
  background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  padding:12px 14px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  transition:background 200ms var(--ease),color 200ms var(--ease);
}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand)}
.drawer-nav a.active{background:var(--brand-light);color:var(--brand-deep);font-weight:600}

/* ---------- 页面横幅 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--dark-2);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  opacity:.6;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(115deg,rgba(58,19,112,.94) 0%,rgba(108,43,217,.80) 52%,rgba(255,122,61,.58) 100%);
}
.page-hero .container{
  position:relative;
  z-index:2;
  min-height:240px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding-top:38px;
  padding-bottom:64px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:14px;
}
.breadcrumb a{color:rgba(255,255,255,.72);transition:color 200ms var(--ease)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.6}
.breadcrumb .cur{color:#fff;font-weight:600}
.page-title{
  font-size:clamp(32px,4.4vw,52px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
  color:#fff;
}
.page-sub{
  margin-top:12px;
  font-size:clamp(15px,1.6vw,17px);
  color:rgba(255,255,255,.86);
  max-width:640px;
}
.chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:34px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  color:#fff;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  transition:background 200ms var(--ease),transform 200ms var(--ease);
}
.chip:hover{background:rgba(255,255,255,.28);transform:translateY(-2px)}
.chip.is-active{background:#fff;color:var(--brand-deep);border-color:#fff}

/* ---------- 数据条 ---------- */
.stat-band{
  margin-top:-44px;
  position:relative;
  z-index:3;
}
.stat-inner{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-2);
  display:grid;
  grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}
.stat-item{
  padding:26px 24px;
  border-right:1px solid var(--border);
}
.stat-item:last-child{border-right:0}
.stat-num{
  font-family:Inter,"HarmonyOS Sans SC","PingFang SC",sans-serif;
  font-size:30px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--brand-deep);
  line-height:1.2;
}
.stat-num .unit{font-size:15px;font-weight:700;margin-left:2px;color:var(--text-2)}
.stat-label{
  margin-top:6px;
  font-size:13px;
  color:var(--text-2);
}
.stat-label .dot{
  display:inline-block;
  width:7px;height:7px;border-radius:50%;
  background:var(--data);
  margin-right:6px;
  vertical-align:middle;
  box-shadow:0 0 0 3px rgba(23,185,120,.16);
}

/* ---------- 通用板块 ---------- */
.section{
  padding:92px 0;
}
.section.tight{padding-top:72px}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:34px;
}
.section-title{
  font-size:clamp(24px,2.8vw,34px);
  font-weight:700;
  letter-spacing:-.02em;
  position:relative;
  padding-left:16px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:.18em;
  bottom:.18em;
  width:5px;
  border-radius:3px;
  background-image:var(--grad);
}
.section-desc{
  margin-top:10px;
  font-size:14px;
  color:var(--text-2);
  max-width:620px;
}
.section-link{
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:6px;
  flex:0 0 auto;
  transition:gap 200ms var(--ease),color 200ms var(--ease);
}
.section-link:hover{gap:10px;color:var(--brand-deep)}

/* ---------- 前三名大卡 ---------- */
.podium-grid{gap:0}
.podium-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  overflow:hidden;
  height:100%;
  display:flex;
  flex-direction:column;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.podium-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:#DCD0F7}
.podium-card .topline{height:5px;background-image:var(--grad)}
.podium-card.rank-1 .topline{background-image:linear-gradient(90deg,#FF7A3D,#FFB07A)}
.podium-card.rank-1{border-color:rgba(255,122,61,.42);box-shadow:0 10px 30px rgba(255,122,61,.14)}
.rank-watermark{
  position:absolute;
  top:6px;
  right:16px;
  font-family:Inter,"HarmonyOS Sans SC",sans-serif;
  font-size:96px;
  font-weight:800;
  line-height:1;
  letter-spacing:-.05em;
  color:rgba(108,43,217,.08);
  pointer-events:none;
  user-select:none;
}
.podium-card.rank-1 .rank-watermark{color:rgba(255,122,61,.14)}
.podium-thumb{
  margin:26px 24px 0;
  border-radius:var(--r-md);
  overflow:hidden;
  aspect-ratio:16/10;
  background:var(--brand-soft);
}
.podium-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease)}
.podium-card:hover .podium-thumb img{transform:scale(1.03)}
.podium-body{padding:20px 24px 26px;display:flex;flex-direction:column;flex:1 1 auto}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  align-self:flex-start;
  height:26px;
  padding:0 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:700;
  color:var(--brand-deep);
  background:var(--brand-light);
}
.badge.badge-hot{color:#fff;background-image:linear-gradient(135deg,#FF7A3D,#F26320)}
.badge.badge-data{color:#0E7A4F;background:rgba(23,185,120,.14)}
.podium-name{
  margin-top:12px;
  font-size:21px;
  font-weight:700;
  letter-spacing:-.01em;
  transition:color 200ms var(--ease);
}
.podium-card:hover .podium-name{color:var(--brand)}
.podium-text{
  margin-top:8px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.score-row{
  margin-top:18px;
  display:flex;
  align-items:center;
  gap:12px;
}
.score-value{
  font-family:Inter,"HarmonyOS Sans SC",sans-serif;
  font-size:22px;
  font-weight:800;
  color:var(--brand-deep);
  letter-spacing:-.02em;
}
.score-bar{
  flex:1 1 auto;
  height:8px;
  border-radius:var(--r-pill);
  background:var(--brand-light);
  overflow:hidden;
}
.score-fill{
  display:block;
  height:100%;
  border-radius:inherit;
  background-image:linear-gradient(90deg,#6C2BD9,#8B4DFF 55%,#FF7A3D);
}
.podium-foot{
  margin-top:auto;
  padding-top:20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.meta-list{display:flex;flex-wrap:wrap;gap:8px}
.meta-tag{
  font-size:12px;
  color:var(--text-2);
  background:var(--brand-soft);
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  padding:3px 10px;
}
.arrow-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  transition:gap 200ms var(--ease);
}
.arrow-link:hover{gap:10px;color:var(--brand-deep)}

/* ---------- 榜单列表 ---------- */
.rank-list{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.rank-head{
  display:grid;
  grid-template-columns:76px 1fr 170px 120px 60px;
  gap:16px;
  align-items:center;
  padding:16px 26px;
  font-size:13px;
  font-weight:600;
  color:var(--text-2);
  background:var(--brand-soft);
  border-bottom:1px solid var(--border);
}
.rank-row{
  display:grid;
  grid-template-columns:76px 1fr 170px 120px 60px;
  gap:16px;
  align-items:center;
  padding:16px 26px;
  border-bottom:1px solid var(--border);
  transition:background 200ms var(--ease),transform 200ms var(--ease);
}
.rank-row:last-child{border-bottom:0}
.rank-row:hover{background:var(--brand-soft);transform:translateY(-2px)}
.rank-index{
  font-family:Inter,"HarmonyOS Sans SC",sans-serif;
  font-size:18px;
  font-weight:800;
  color:var(--text-3);
  letter-spacing:-.02em;
}
.rank-item{display:flex;align-items:center;gap:14px;min-width:0}
.rank-thumb{
  width:64px;
  height:64px;
  border-radius:var(--r-sm);
  overflow:hidden;
  flex:0 0 auto;
  background:var(--brand-soft);
}
.rank-thumb img{width:100%;height:100%;object-fit:cover}
.rank-text{min-width:0}
.rank-name{
  font-size:16px;
  font-weight:600;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  transition:color 200ms var(--ease);
}
.rank-row:hover .rank-name{color:var(--brand)}
.rank-desc{
  margin-top:2px;
  font-size:13px;
  color:var(--text-2);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.rank-tags{display:flex;flex-wrap:wrap;gap:6px}
.rank-score{
  display:flex;
  align-items:center;
  gap:8px;
  font-family:Inter,"HarmonyOS Sans SC",sans-serif;
  font-weight:800;
  color:var(--brand-deep);
  font-size:17px;
}
.stars{color:var(--accent);font-size:13px;letter-spacing:1px}
.rank-arrow{
  width:36px;height:36px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--brand-soft);
  color:var(--brand);
  transition:background 200ms var(--ease),transform 200ms var(--ease);
}
.rank-row:hover .rank-arrow{background:var(--brand-light);transform:translateX(3px)}

/* ---------- 评分维度 ---------- */
.dim-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.dim-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.dim-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2)}
.dim-icon{
  width:44px;height:44px;
  border-radius:14px;
  background:var(--brand-light);
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.dim-title{margin-top:16px;font-size:17px;font-weight:700}
.dim-text{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.7}
.dim-value{
  margin-top:16px;
  display:flex;
  align-items:baseline;
  gap:8px;
  font-family:Inter,"HarmonyOS Sans SC",sans-serif;
}
.dim-value strong{font-size:24px;font-weight:800;color:var(--brand-deep);letter-spacing:-.02em}
.dim-value span{font-size:12px;color:var(--text-3)}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color 200ms var(--ease),background 200ms var(--ease);
}
.faq-item.is-open{border-color:var(--brand);background:var(--brand-soft)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:20px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--brand-light);
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  font-weight:700;
  line-height:1;
  transition:transform 240ms var(--ease),background 200ms var(--ease),color 200ms var(--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 300ms var(--ease);
}
.faq-a p{
  padding:0 24px 22px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 96px}
.cta-card{
  border-radius:var(--r-xl);
  padding:2px;
  background-image:var(--grad);
  box-shadow:var(--sh-2);
}
.cta-inner{
  background:#fff;
  border-radius:26px;
  padding:52px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-title{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  letter-spacing:-.02em;
}
.cta-text{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  max-width:520px;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  background-image:linear-gradient(160deg,var(--dark-1) 0%,var(--dark-2) 100%);
  color:rgba(255,255,255,.78);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:44px;
  padding-bottom:52px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  color:#fff;
}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.62);
  max-width:340px;
}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.66);
  transition:color 200ms var(--ease),transform 200ms var(--ease);
  width:fit-content;
}
.footer-links a:hover{color:#B79BFF;transform:translateX(3px)}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.66)}
.subscribe{display:flex;gap:10px}
.subscribe input{
  flex:1 1 auto;
  min-width:0;
  height:44px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
  color:#fff;
  padding:0 14px;
  font-size:14px;
  transition:border-color 200ms var(--ease),background 200ms var(--ease),box-shadow 200ms var(--ease);
}
.subscribe input::placeholder{color:rgba(255,255,255,.42)}
.subscribe input:focus{
  outline:none;
  border-color:var(--brand);
  background:rgba(255,255,255,.14);
  box-shadow:0 0 0 3px rgba(108,43,217,.28);
}
.subscribe input.is-error{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,61,.24)}
.form-hint{font-size:13px;color:rgba(255,255,255,.5);margin-top:10px}
.form-hint.is-error{color:#FFB48C}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.48);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .command-search{width:220px}
}
@media (max-width:1023px){
  .main-nav,.command-search{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{gap:14px}
  .brand{margin-right:auto}
  .section{padding:72px 0}
  .stat-inner{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--border)}
  .dim-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px}
  .rank-head{display:none}
  .rank-row{grid-template-columns:52px 1fr 90px;gap:12px;padding:16px 18px}
  .rank-tags{display:none}
  .rank-arrow{display:none}
  .rank-score{justify-content:flex-end}
}
@media (max-width:767px){
  .section{padding:58px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .page-hero .container{min-height:200px;padding-top:28px;padding-bottom:56px}
  .stat-band{margin-top:-38px}
  .stat-item{padding:20px 18px}
  .stat-num{font-size:25px}
  .podium-grid{margin-left:0!important;margin-right:0!important}
  .podium-grid > .cell{padding-left:0!important;padding-right:0!important;margin-bottom:20px}
  .cta-inner{padding:36px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media (max-width:519px){
  .stat-inner{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid var(--border)}
  .stat-item:last-child{border-bottom:0}
  .dim-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .rank-row{grid-template-columns:44px 1fr;gap:10px}
  .rank-score{grid-column:2;justify-content:flex-start;margin-top:6px}
  .rank-row{padding:14px}
  .rank-thumb{width:56px;height:56px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}