/* roulang page: index */
:root{
  --primary:#FF5A3C;
  --primary-soft:#FF9142;
  --grad-brand:linear-gradient(120deg,#FF5A3C,#FF9142);
  --secondary:#0F9E8E;
  --accent:#6C4BFF;
  --ink:#14171C;
  --text:#3A4049;
  --muted:#6C7480;
  --faint:#9AA3AE;
  --line:#ECE6DE;
  --bg:#FFFBF6;
  --bg-band:#F6F1EA;
  --card:#FFFFFF;
  --dark:#14171C;
  --success:#17A673;
  --warn:#F0A020;
  --danger:#E5484D;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --r-xs:12px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(20,23,28,.06),0 8px 24px -12px rgba(20,23,28,.18);
  --shadow-2:0 12px 36px -14px rgba(255,90,60,.32);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --sec:96px;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);
  background:var(--bg);
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.3;}
h1{font-size:clamp(28px,4.2vw,52px);line-height:1.15;font-weight:700;letter-spacing:.01em;}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;}
h3{font-size:22px;font-weight:600;line-height:1.4;}
h4{font-size:18px;font-weight:600;line-height:1.5;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 公告条 ============ */
.notice{background:var(--dark);color:#EFE7DD;font-size:13px;height:40px;display:flex;align-items:center;position:relative;z-index:60;}
.notice .container{display:flex;align-items:center;gap:12px;}
.notice strong{color:#FFB28C;font-weight:600;}
.notice-close{margin-left:auto;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;color:#EFE7DD;font-size:16px;transition:var(--ease);}
.notice-close:hover{background:rgba(255,255,255,.12);color:#fff;}
.notice.is-hidden{display:none;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,251,246,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:var(--ease);}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav{height:72px;display:flex;align-items:center;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:0;}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--grad-brand);display:grid;place-items:center;color:#fff;font-size:15px;font-weight:700;box-shadow:var(--shadow-2);}
.logo-text{font-size:19px;font-weight:700;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:12px;}
.nav-links a{position:relative;padding:10px 12px;font-size:15px;color:var(--text);border-radius:10px;transition:var(--ease);white-space:nowrap;}
.nav-links a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);}
.nav-links a:hover{color:var(--primary);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--primary);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.mega-toggle{display:flex;align-items:center;gap:6px;padding:10px 14px;font-size:15px;border:1px solid var(--line);border-radius:var(--pill);background:#fff;transition:var(--ease);}
.mega-toggle:hover{border-color:var(--primary);color:var(--primary);}
.mega-toggle .caret{transition:transform var(--ease);font-size:11px;}
.mega-toggle[aria-expanded="true"] .caret{transform:rotate(180deg);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--pill);font-size:15px;font-weight:600;transition:var(--ease);border:1px solid transparent;cursor:pointer;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-2);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -14px rgba(255,90,60,.5);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-1);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn-soft{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-soft:hover{background:rgba(255,255,255,.28);transform:translateY(-2px);}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}

/* Mega 面板 */
.mega-wrap{position:relative;}
.mega-panel{position:absolute;right:0;top:calc(100% + 14px);width:800px;background:#fff;border-radius:var(--r-md);box-shadow:var(--shadow-2);border:1px solid var(--line);padding:24px;display:grid;grid-template-columns:1.1fr 1.1fr .9fr;gap:24px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity 160ms var(--ease),transform 160ms var(--ease),visibility 160ms;}
.mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h4{font-size:13px;letter-spacing:.14em;color:var(--faint);text-transform:uppercase;margin-bottom:14px;font-weight:600;}
.mega-list li+li{margin-top:8px;}
.mega-list a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:12px;font-size:14px;color:var(--text);transition:var(--ease);}
.mega-list a:hover{background:#FFF4EE;color:var(--primary);}
.dot{width:8px;height:8px;border-radius:50%;background:var(--grad-brand);flex:none;}
.mega-post{display:block;padding:12px;border:1px solid var(--line);border-radius:14px;transition:var(--ease);}
.mega-post+.mega-post{margin-top:10px;}
.mega-post:hover{border-color:var(--primary);background:#FFF9F6;transform:translateY(-2px);}
.mega-post b{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;}
.mega-post span{font-size:12px;color:var(--faint);}
.mega-cta{background:var(--grad-brand);border-radius:18px;padding:20px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;}
.mega-cta b{font-size:17px;font-weight:700;display:block;line-height:1.4;}
.mega-cta p{font-size:13px;color:rgba(255,255,255,.88);margin:8px 0 16px;line-height:1.7;}
.mega-cta a{display:inline-flex;align-items:center;justify-content:center;height:38px;border-radius:var(--pill);background:#fff;color:var(--primary);font-size:14px;font-weight:600;}

/* 移动抽屉 */
.drawer{position:fixed;inset:0 0 0 auto;width:min(360px,88vw);background:#fff;z-index:120;transform:translateX(102%);transition:transform 240ms var(--ease);box-shadow:-20px 0 48px -20px rgba(20,23,28,.3);padding:20px;overflow-y:auto;}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;font-size:18px;}
.drawer a.drawer-link{display:block;padding:14px 12px;border-radius:12px;font-size:15px;border-bottom:1px solid var(--line);}
.drawer a.drawer-link.active{color:var(--primary);font-weight:600;background:#FFF4EE;}
.drawer-foot{margin-top:18px;}
.scrim{position:fixed;inset:0;background:rgba(20,23,28,.45);z-index:110;opacity:0;visibility:hidden;transition:var(--ease);}
.scrim.is-open{opacity:1;visibility:visible;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:64px 0 72px;background:radial-gradient(1200px 520px at 12% -10%,#FFE7DC 0%,rgba(255,231,220,0) 62%),var(--bg);}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(6px);pointer-events:none;}
.hero::before{width:420px;height:420px;right:-120px;top:-140px;background:radial-gradient(circle,rgba(255,90,60,.20),rgba(255,90,60,0) 70%);}
.hero::after{width:320px;height:320px;left:-100px;bottom:-160px;background:radial-gradient(circle,rgba(15,158,142,.16),rgba(15,158,142,0) 70%);}
.hero-grid{position:relative;display:grid;grid-template-columns:55% 45%;gap:40px;align-items:center;z-index:2;}
.badge-line{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--pill);background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);box-shadow:var(--shadow-1);}
.badge-line i{width:8px;height:8px;border-radius:50%;background:var(--grad-brand);display:block;}
.hero h1{margin:20px 0 16px;max-width:18em;}
.hero-sub{font-size:17px;color:var(--muted);max-width:30em;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-note{margin-top:22px;font-size:13px;color:var(--faint);display:flex;align-items:center;gap:8px;}

/* 竖屏卡组 */
.vertical-stage{position:relative;display:flex;justify-content:flex-end;align-items:center;gap:16px;min-height:460px;}
.v-card{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--grad-brand);box-shadow:var(--shadow-1);transition:var(--ease);}
.v-card img{width:100%;height:100%;object-fit:cover;}
.v-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,23,28,0) 40%,rgba(20,23,28,.55) 100%);}
.v-main{width:min(268px,52%);aspect-ratio:9/16;}
.v-side{width:min(150px,30%);aspect-ratio:9/16;}
.v-side.top{margin-bottom:46px;}
.v-side.bottom{margin-top:46px;}
.v-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.v-caption{position:absolute;left:16px;right:16px;bottom:16px;z-index:2;color:#fff;}
.v-caption b{font-size:15px;font-weight:600;display:block;}
.v-caption span{font-size:12px;color:rgba(255,255,255,.82);}
.v-chip{position:absolute;z-index:3;background:rgba(255,255,255,.95);border-radius:var(--pill);padding:6px 12px;font-size:12px;color:var(--ink);box-shadow:var(--shadow-1);display:flex;align-items:center;gap:6px;}
.v-chip b{font-size:14px;font-weight:700;color:var(--primary);}
.v-chip.pos-a{left:14px;top:14px;}
.v-chip.pos-b{right:-10px;bottom:96px;}
.v-chip.pos-c{left:-14px;bottom:150px;}

/* ============ 数据徽章条 ============ */
.stats{margin-top:8px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-1);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;}
.stat{padding:22px 24px;display:flex;flex-direction:column;gap:4px;}
.stat+.stat{border-left:1px solid var(--line);}
.stat .k{font-size:13px;color:var(--faint);display:flex;align-items:center;gap:6px;}
.stat .v{font-size:26px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;}
.stat .v small{font-size:14px;color:var(--muted);font-weight:500;margin-left:4px;}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0;}
.section.band{background:var(--bg-band);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-head p{color:var(--muted);font-size:15px;margin:10px 0 0;max-width:44em;}
.sec-link{font-size:14px;color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.sec-link:hover{text-decoration:underline;}
.eyebrow{font-size:13px;letter-spacing:.16em;color:var(--primary);font-weight:600;text-transform:uppercase;}

/* ============ 横滑片段卡 ============ */
.rail-wrap{position:relative;}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 22px;scrollbar-width:none;}
.rail::-webkit-scrollbar{width:0;height:0;}
.rail-item{flex:0 0 calc((100% - 60px)/3.5);scroll-snap-align:start;}
.clip{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);transition:var(--ease);display:flex;flex-direction:column;height:100%;}
.clip:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.clip-cover{position:relative;aspect-ratio:9/16;overflow:hidden;background:var(--grad-brand);}
.clip-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.clip:hover .clip-cover img{transform:scale(1.04);}
.clip-tag{position:absolute;left:12px;top:12px;background:rgba(20,23,28,.72);color:#fff;font-size:12px;border-radius:var(--pill);padding:4px 10px;font-variant-numeric:tabular-nums;}
.clip-body{padding:16px;display:flex;flex-direction:column;gap:10px;flex:1;}
.clip-body h3{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-badge{align-self:flex-start;font-size:12px;color:var(--secondary);background:rgba(15,158,142,.12);border-radius:var(--pill);padding:4px 10px;}
.rail-nav{display:flex;gap:10px;justify-content:flex-end;margin-top:4px;}
.rail-btn{width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid var(--line);display:grid;place-items:center;box-shadow:var(--shadow-1);transition:var(--ease);}
.rail-btn:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}

/* ============ 编号清单 ============ */
.checklist{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);}
.check-row{display:flex;align-items:center;gap:22px;padding:24px 26px;transition:var(--ease);border-bottom:1px solid var(--line);}
.check-row:last-child{border-bottom:0;}
.check-row:hover{background:#FFF4EE;}
.check-no{font-size:36px;font-weight:700;line-height:1;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;min-width:64px;}
.check-main{flex:1;}
.check-main b{display:block;font-size:17px;font-weight:600;color:var(--ink);}
.check-main span{font-size:14px;color:var(--muted);}
.check-arrow{font-size:18px;color:var(--faint);transition:var(--ease);}
.check-row:hover .check-arrow{color:var(--primary);transform:translateX(4px);}

/* ============ 资讯卡栅格 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);transition:var(--ease);height:100%;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.card:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.card-cover{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--grad-brand);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.card:hover .card-cover img{transform:scale(1.04);}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--faint);}
.tag{font-size:12px;color:var(--primary);background:#FFF4EE;border-radius:var(--pill);padding:4px 10px;font-weight:600;}
.card-title{font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-text{font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--primary);font-weight:600;padding-top:6px;}
.empty-state{grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-md);padding:56px 24px;text-align:center;}
.empty-icon{width:56px;height:56px;border-radius:18px;background:#F1ECE5;margin:0 auto 16px;display:grid;place-items:center;font-size:22px;color:var(--faint);}
.empty-state p{color:var(--muted);margin:0 0 18px;}

/* ============ 口碑横滑 ============ */
.quote-rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 22px;scrollbar-width:none;}
.quote-rail::-webkit-scrollbar{width:0;height:0;}
.quote{flex:0 0 calc((100% - 40px)/3);scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--shadow-1);transition:var(--ease);}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.quote-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;flex:none;}
.quote-head b{display:block;font-size:15px;color:var(--ink);}
.quote-head span{font-size:12px;color:var(--faint);}
.quote p{font-size:14px;color:var(--muted);margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.stars{font-size:13px;color:var(--warn);letter-spacing:2px;}

/* ============ 快速入口通栏 ============ */
.quick{background:var(--grad-brand);border-radius:28px;padding:44px;color:#fff;display:flex;align-items:center;gap:32px;justify-content:space-between;position:relative;overflow:hidden;}
.quick::after{content:"";position:absolute;right:-60px;bottom:-90px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.14);}
.quick h2{color:#fff;}
.quick p{color:rgba(255,255,255,.9);margin:10px 0 0;max-width:40em;}
.quick-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}

/* ============ FAQ ============ */
.faq{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-1);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 24px;font-size:17px;font-weight:600;color:var(--ink);text-align:left;transition:var(--ease);}
.faq-q:hover{color:var(--primary);background:#FFFBF6;}
.faq-sign{width:28px;height:28px;border-radius:50%;background:#FFF4EE;color:var(--primary);display:grid;place-items:center;font-size:16px;flex:none;transition:transform var(--ease);}
.faq-q[aria-expanded="true"] .faq-sign{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease);}
.faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.9;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#E9E2D9;padding:64px 0 0;margin-top:var(--sec);}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.foot-brand .logo{color:#fff;}
.foot-brand p{font-size:14px;color:#A9A29A;margin:16px 0 0;line-height:1.9;}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.04em;}
.foot-col li+li{margin-top:10px;}
.foot-col a{font-size:14px;color:#A9A29A;transition:var(--ease);}
.foot-col a:hover{color:#FFB28C;}
.foot-form{display:flex;gap:10px;margin-top:16px;}
.foot-form input{flex:1;height:44px;border-radius:var(--r-xs);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;transition:var(--ease);}
.foot-form input::placeholder{color:#8C857D;}
.foot-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,90,60,.16);}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:#8C857D;}
.foot-bottom a{color:#A9A29A;}
.foot-bottom a:hover{color:#FFB28C;}

/* ============ 响应式 ============ */
@media(max-width:1279px){
  :root{--sec:80px;}
  .rail-item{flex:0 0 calc((100% - 40px)/3);}
  .quote{flex:0 0 calc((100% - 20px)/2);}
}
@media(max-width:1023px){
  :root{--sec:72px;}
  .container{padding:0 20px;}
  .nav-links,.mega-wrap{display:none;}
  .burger{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero h1{max-width:none;}
  .vertical-stage{justify-content:flex-start;overflow-x:auto;padding:8px 4px 18px;scroll-snap-type:x mandatory;scrollbar-width:none;}
  .vertical-stage::-webkit-scrollbar{height:0;}
  .v-main{flex:0 0 62%;width:auto;}
  .v-side{flex:0 0 34%;width:auto;}
  .v-side.top{margin-bottom:0;}
  .v-side.bottom{margin-top:32px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .rail-item{flex:0 0 calc((100% - 20px)/2.2);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(3){border-left:0;}
  .stat:nth-child(n+3){border-top:1px solid var(--line);}
  .quick{flex-direction:column;align-items:flex-start;padding:36px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:767px){
  :root{--sec:56px;}
  .container{padding:0 16px;}
  .rail-item{flex:0 0 78%;}
  .quote{flex:0 0 86%;}
  .rail-nav{display:none;}
  .news-grid{grid-template-columns:1fr;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .check-row{gap:14px;padding:20px 18px;}
  .check-no{font-size:22px;min-width:36px;}
  .hero{padding:44px 0 56px;}
  .quick{padding:28px;border-radius:22px;}
  .faq-q{font-size:16px;padding:18px;}
  .faq-a-inner{padding:0 18px 18px;}
  .foot-grid{grid-template-columns:1fr;gap:32px;}
}
@media(max-width:479px){
  .stats{grid-template-columns:1fr;}
  .stat+.stat{border-left:0;border-top:1px solid var(--line);}
  .hero-actions .btn{width:100%;}
  .v-main{flex:0 0 76%;}
  .v-side{flex:0 0 52%;}
  .v-chip.pos-a,.v-chip.pos-b,.v-chip.pos-c{display:none;}
}

/* roulang page: article */
/* ===================== 设计变量 ===================== */
:root{
  --primary:#FF5A3C;
  --primary-2:#FF9142;
  --grad-brand:linear-gradient(120deg,#FF5A3C,#FF9142);
  --secondary:#0F9E8E;
  --accent:#6C4BFF;
  --ink:#14171C;
  --text:#3A4049;
  --muted:#6C7480;
  --weak:#9AA3AE;
  --border:#ECE6DE;
  --bg:#FFFBF6;
  --band:#F6F1EA;
  --card:#FFFFFF;
  --dark:#14171C;
  --success:#17A673;
  --warn:#F0A020;
  --error:#E5484D;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-1:0 1px 2px rgba(20,23,28,.06),0 8px 24px -12px rgba(20,23,28,.18);
  --shadow-2:0 12px 36px -14px rgba(255,90,60,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:200ms;
  --sec:96px;
  --head-h:72px;
}

/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color var(--t) var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
h1{font-size:clamp(28px,4.2vw,52px);line-height:1.15;}
h2{font-size:clamp(24px,2.8vw,34px);}
h3{font-size:22px;line-height:1.4;font-weight:600;}
h4{font-size:18px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

/* ===================== 容器与通用 ===================== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sec) 0;}
.section--band{background:var(--band);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head .lead{color:var(--muted);font-size:15px;margin:8px 0 0;}
.section-link{color:var(--primary);font-size:15px;font-weight:600;white-space:nowrap;}
.section-link:hover{color:var(--primary-2);}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.5;
  background:rgba(255,90,60,.1);color:var(--primary);
}
.badge--teal{background:rgba(15,158,142,.12);color:var(--secondary);}
.badge--ghost{background:var(--band);color:var(--muted);}
.tag{
  display:inline-flex;align-items:center;padding:7px 14px;border-radius:999px;
  background:var(--card);border:1px solid var(--border);color:var(--muted);
  font-size:13px;transition:all var(--t) var(--ease);
}
.tag:hover{border-color:rgba(255,90,60,.45);color:var(--primary);background:#FFF4EE;}

.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;white-space:nowrap;
  transition:all var(--t) var(--ease);border:1px solid transparent;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px -10px rgba(255,90,60,.7);}
.btn-primary:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.btn-ghost{background:var(--card);border-color:var(--border);color:var(--ink);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn-light{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.5);color:#fff;}
.btn-light:hover{background:rgba(255,255,255,.28);}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ===================== 头部导航 ===================== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,251,246,.94);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--t) var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav{display:flex;align-items:center;gap:20px;height:var(--head-h);}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad-brand);
  color:#fff;font-weight:700;font-size:17px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -8px rgba(255,90,60,.9);
}
.logo-text{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:12px;flex:1;}
.nav-links > a{
  position:relative;padding:8px 12px;font-size:15px;color:var(--text);
  border-radius:10px;white-space:nowrap;
}
.nav-links > a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad-brand);
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--t) var(--ease);
}
.nav-links > a:hover{color:var(--primary);}
.nav-links > a:hover::after{transform:scaleX(1);}
.nav-links > a.active{color:var(--primary);font-weight:600;}
.nav-links > a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}

.mega-wrap{position:relative;}
.mega-toggle{
  display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 16px;border-radius:999px;
  border:1px solid var(--border);background:var(--card);
  font-size:14px;color:var(--text);
  transition:all var(--t) var(--ease);
}
.mega-toggle:hover{border-color:var(--primary);color:var(--primary);}
.mega-toggle .caret{font-size:11px;transition:transform var(--t) var(--ease);}
.mega-toggle[aria-expanded="true"] .caret{transform:rotate(180deg);}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:780px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:0 24px 60px -28px rgba(20,23,28,.35);
  padding:26px;display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity 160ms var(--ease),transform 160ms var(--ease),visibility 160ms;
}
.mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h4{font-size:14px;color:var(--weak);font-weight:600;letter-spacing:.08em;margin-bottom:14px;}
.mega-list li + li{margin-top:4px;}
.mega-list a{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:12px;
  font-size:14.5px;color:var(--text);transition:all var(--t) var(--ease);
}
.mega-list a:hover{background:#FFF4EE;color:var(--primary);}
.mega-list .dot{width:6px;height:6px;border-radius:50%;background:var(--grad-brand);flex-shrink:0;}
.mega-post{display:block;padding:12px;border-radius:14px;background:var(--band);margin-bottom:10px;transition:all var(--t) var(--ease);}
.mega-post:hover{background:#FFF4EE;transform:translateY(-2px);}
.mega-post b{display:block;font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.5;}
.mega-post span{display:block;margin-top:6px;font-size:12.5px;color:var(--muted);}
.mega-cta{
  background:var(--grad-brand);border-radius:var(--r-md);padding:20px;color:#fff;
  display:flex;flex-direction:column;justify-content:space-between;gap:14px;
}
.mega-cta b{font-size:17px;color:#fff;}
.mega-cta p{font-size:13px;color:rgba(255,255,255,.9);margin:6px 0 0;line-height:1.6;}
.mega-cta a{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;border-radius:999px;background:#fff;color:var(--primary);
  font-size:14px;font-weight:600;transition:all var(--t) var(--ease);
}
.mega-cta a:hover{transform:translateY(-2px);box-shadow:0 10px 20px -10px rgba(0,0,0,.4);}

.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:var(--card);align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:all var(--t) var(--ease);}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,23,28,.45);opacity:0;visibility:hidden;
  transition:all var(--t) var(--ease);z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(360px,88vw);
  background:var(--card);z-index:80;padding:20px 20px 40px;
  transform:translateX(102%);transition:transform 240ms var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  display:inline-flex;align-items:center;justify-content:center;font-size:20px;color:var(--muted);
}
.drawer-close:hover{color:var(--primary);border-color:var(--primary);}
.drawer-nav a{
  display:block;padding:14px 12px;border-radius:12px;font-size:15.5px;color:var(--text);
  border-bottom:1px solid var(--border);
}
.drawer-nav a:hover,.drawer-nav a.active{background:#FFF4EE;color:var(--primary);}
.drawer-cta{margin-top:24px;display:flex;flex-direction:column;gap:12px;}

/* ===================== 面包屑 ===================== */
.crumb-bar{border-bottom:1px solid var(--border);background:var(--card);}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);padding:16px 0;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--weak);}
.crumb .cur{color:var(--weak);}

/* ===================== 文章头 ===================== */
.article-hero{padding:52px 0 0;}
.article-hero .badge{margin-bottom:18px;}
.article-hero h1{max-width:980px;}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  margin-top:22px;font-size:14px;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--border);}
.article-rule{margin-top:30px;height:1px;background:var(--border);}

/* ===================== 正文布局 ===================== */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 288px;
  gap:56px;padding:48px 0 var(--sec);
  align-items:start;
}
.article-body{
  max-width:760px;width:100%;
  font-size:16px;line-height:1.85;color:var(--text);
}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,30px);line-height:1.35;
  margin:2.2em 0 .8em;padding-left:16px;scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:4px;background:var(--grad-brand);
}
.article-body h3{
  font-size:20px;line-height:1.45;margin:1.8em 0 .7em;color:var(--ink);
  scroll-margin-top:96px;
}
.article-body h4{font-size:17.5px;margin:1.6em 0 .6em;scroll-margin-top:96px;}
.article-body p{margin:0 0 1.2em;}
.article-body a{color:var(--secondary);border-bottom:1px solid rgba(15,158,142,.35);}
.article-body a:hover{color:var(--primary);border-bottom-color:var(--primary);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:2px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin-bottom:10px;line-height:1.8;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.75em;width:6px;height:6px;border-radius:50%;
  background:var(--grad-brand);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;padding-left:34px;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.15em;
  width:22px;height:22px;border-radius:8px;background:rgba(255,90,60,.1);color:var(--primary);
  font-size:12.5px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--band);border-left:3px solid var(--primary);
  border-radius:0 14px 14px 0;color:var(--muted);font-size:15.5px;line-height:1.8;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:1.6em auto;box-shadow:var(--shadow-1);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption,
.article-body .caption{text-align:center;font-size:13px;color:var(--weak);margin-top:10px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body thead{background:var(--band);}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border);}
.article-body th{font-weight:600;color:var(--ink);}
.article-body tr:last-child td{border-bottom:0;}
.article-body pre{
  background:var(--dark);color:#F5EFE8;border-radius:var(--r-sm);
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:1.6em 0;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;background:var(--band);padding:2px 7px;border-radius:7px;color:var(--primary);
}
.article-body pre code{background:none;padding:0;color:inherit;}
.article-body hr{border:0;height:1px;background:var(--border);margin:2.2em 0;}

/* 侧目录 */
.toc{position:sticky;top:calc(var(--head-h) + 24px);}
.toc-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-1);
}
.toc-card h4{font-size:13px;letter-spacing:.1em;color:var(--weak);margin-bottom:14px;}
.toc-list li + li{margin-top:2px;}
.toc-list a{
  display:block;padding:8px 10px;border-radius:10px;font-size:14px;color:var(--muted);
  border-left:2px solid transparent;line-height:1.6;
}
.toc-list a:hover{background:#FFF4EE;color:var(--primary);}
.toc-list a.active{color:var(--primary);border-left-color:var(--primary);background:#FFF4EE;}
.toc-list a.lv3{padding-left:22px;font-size:13.5px;color:var(--weak);}
.toc-side-cta{
  margin-top:18px;background:var(--grad-brand);border-radius:var(--r-md);padding:20px;color:#fff;
}
.toc-side-cta b{font-size:16px;color:#fff;display:block;}
.toc-side-cta p{font-size:13px;color:rgba(255,255,255,.92);margin:8px 0 14px;line-height:1.65;}
.toc-side-cta a{
  display:flex;align-items:center;justify-content:center;height:40px;border-radius:999px;
  background:#fff;color:var(--primary);font-size:14px;font-weight:600;transition:all var(--t) var(--ease);
}
.toc-side-cta a:hover{transform:translateY(-2px);}

/* 文末 */
.article-foot{margin-top:52px;padding-top:32px;border-top:1px solid var(--border);}
.article-foot h4{font-size:14px;color:var(--weak);letter-spacing:.08em;margin-bottom:14px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:8px;}
.pn-card{
  display:block;background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--shadow-1);transition:all var(--t) var(--ease);
}
.pn-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,60,.35);}
.pn-card span{font-size:12.5px;color:var(--weak);}
.pn-card b{display:block;margin-top:8px;font-size:15.5px;color:var(--ink);line-height:1.55;font-weight:600;}
.pn-card.next{text-align:right;}
.back-row{margin-top:24px;}
.back-row a{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--primary);
}
.back-row a:hover{color:var(--primary-2);}

/* 相关推荐卡 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:block;background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-1);transition:all var(--t) var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,60,.28);}
.card-cover{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--grad-brand);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--t) var(--ease);}
.card:hover .card-cover img{transform:scale(1.04);}
.card-cover .chip{
  position:absolute;left:14px;top:14px;padding:5px 11px;border-radius:999px;
  background:rgba(20,23,28,.72);color:#fff;font-size:12.5px;font-weight:600;
}
.card-body{padding:20px;}
.card-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--weak);margin-bottom:10px;}
.card-body h3{
  font-size:17px;line-height:1.5;font-weight:600;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13.5px;font-weight:600;color:var(--primary);padding-top:14px;border-top:1px solid var(--border);
}

/* 空态 */
.empty{
  grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:64px 24px;background:var(--card);border:1px dashed var(--border);
  border-radius:var(--r-lg);
}
.empty .ico{
  width:56px;height:56px;border-radius:18px;background:var(--band);
  display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px;color:var(--weak);
}
.empty p{color:var(--muted);font-size:15px;margin:0 0 20px;}

/* 深色结束语区 */
.body-empty{padding:56px 24px;text-align:center;background:var(--card);border:1px dashed var(--border);border-radius:var(--r-lg);}
.body-empty h2{font-size:24px;margin-bottom:12px;}
.body-empty p{color:var(--muted);margin-bottom:22px;}

/* CTA 通栏 */
.cta-band{background:var(--grad-brand);border-radius:var(--r-xl);padding:52px;color:#fff;overflow:hidden;position:relative;}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-band::before{
  content:"";position:absolute;left:-60px;bottom:-90px;width:220px;height:220px;border-radius:50%;
  background:rgba(255,255,255,.1);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:clamp(24px,2.8vw,32px);}
.cta-band p{color:rgba(255,255,255,.92);margin:10px 0 0;font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ===================== 页脚 ===================== */
.site-footer{background:var(--dark);color:#EDE7DF;margin-top:var(--sec);padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;}
.foot-brand .logo-text{color:#fff;}
.foot-brand p{font-size:14px;color:#A9A29A;line-height:1.8;margin:18px 0 0;max-width:340px;}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.foot-col ul li + li{margin-top:10px;}
.foot-col a{font-size:14px;color:#A9A29A;}
.foot-col a:hover{color:var(--primary-2);}
.foot-form{display:flex;gap:8px;margin-top:14px;}
.foot-form input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid #2C3138;background:#1B1F26;color:#fff;font-size:14px;
  transition:all var(--t) var(--ease);
}
.foot-form input::placeholder{color:#7C828B;font-size:14px;}
.foot-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,90,60,.16);}
.foot-form .btn{height:44px;padding:0 18px;font-size:14px;}
.foot-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid #24282F;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7C828B;
}

/* ===================== 响应式 ===================== */
@media (max-width:1279px){
  .mega-panel{width:680px;}
  .nav-links > a{padding:8px 9px;font-size:14.5px;}
}
@media (max-width:1024px){
  :root{--sec:72px;}
  .nav-links{display:none;}
  .mega-wrap{display:none;}
  .hamburger{display:inline-flex;}
  .article-layout{grid-template-columns:1fr;gap:40px;padding-top:36px;}
  .toc{position:static;}
  .article-body{max-width:100%;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec:56px;--head-h:64px;}
  .container{padding:0 16px;}
  .nav{height:var(--head-h);}
  .logo-text{font-size:16.5px;}
  .nav-cta{display:none;}
  .article-hero{padding:32px 0 0;}
  .article-meta{font-size:13px;gap:8px 14px;}
  .cta-band{padding:32px 24px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .pn-grid{grid-template-columns:1fr;}
  .pn-card.next{text-align:left;}
  .rel-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;gap:32px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .article-body h2{margin-top:1.8em;}
}
@media (max-width:479px){
  .btn{height:46px;padding:0 20px;font-size:14.5px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .article-layout{padding-bottom:72px;}
}

/* roulang page: category1 */
:root{
  --primary:#FF5A3C;
  --primary-dark:#E8462A;
  --secondary:#0F9E8E;
  --accent:#6C4BFF;
  --success:#17A673;
  --warn:#F0A020;
  --danger:#E5484D;
  --ink:#14171C;
  --text:#3A4049;
  --muted:#6C7480;
  --weak:#9AA3AE;
  --border:#ECE6DE;
  --bg:#FFFBF6;
  --band:#F6F1EA;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#FF5A3C,#FF9142);
  --grad-soft:linear-gradient(120deg,rgba(255,90,60,.10),rgba(15,158,142,.10));
  --radius-lg:24px;
  --radius:20px;
  --radius-sm:14px;
  --radius-xs:12px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(20,23,28,.06),0 8px 24px -12px rgba(20,23,28,.18);
  --shadow-2:0 12px 36px -14px rgba(255,90,60,.32);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --section-gap:96px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.01em}
h1{font-size:clamp(28px,4.2vw,52px);line-height:1.15}
h2{font-size:clamp(24px,3vw,32px);line-height:1.3}
h3{font-size:22px;line-height:1.4;font-weight:600}
h4{font-size:18px;line-height:1.5;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--section-gap) 0}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head .lead{max-width:620px}
.section-head p{color:var(--muted);margin-top:10px;font-size:15px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);
  background:rgba(255,90,60,.10);border-radius:var(--pill);padding:6px 14px;letter-spacing:.04em}
.eyebrow.teal{color:var(--secondary);background:rgba(15,158,142,.12)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;
  border-radius:var(--pill);font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-2)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px -12px rgba(255,90,60,.5)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px -10px rgba(255,90,60,.45)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--ink);box-shadow:var(--shadow-1)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-outline-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--primary-dark)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 30px -12px rgba(20,23,28,.4)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:120;background:rgba(255,251,246,.94);backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--border);transition:box-shadow var(--ease),background var(--ease)}
.site-header.scrolled{box-shadow:var(--shadow-1);background:rgba(255,251,246,.97)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px;border-radius:12px;background:var(--grad-brand);color:#fff;font-weight:800;
  display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:var(--shadow-2)}
.logo-text{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;flex-wrap:wrap}
.nav-links a{position:relative;padding:10px 12px;font-size:15px;color:var(--muted);border-radius:10px}
.nav-links a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform var(--ease)}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.mega-wrap{position:relative}
.mega-toggle{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 16px;border-radius:var(--pill);
  border:1px solid var(--border);background:#fff;font-size:14px;font-weight:600;color:var(--ink);box-shadow:var(--shadow-1)}
.mega-toggle:hover{border-color:var(--primary);color:var(--primary)}
.caret{transition:transform var(--ease);font-size:12px}
.mega-toggle[aria-expanded="true"] .caret{transform:rotate(180deg)}
.mega-panel{position:absolute;right:0;top:calc(100% + 14px);width:760px;background:#fff;border-radius:var(--radius);
  box-shadow:var(--shadow-2);border:1px solid var(--border);padding:24px;display:grid;
  grid-template-columns:1.15fr 1fr .9fr;gap:22px;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity 160ms ease,transform 160ms ease,visibility 160ms;pointer-events:none}
.mega-panel.open{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.mega-col h4{font-size:14px;color:var(--weak);letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px;font-weight:700}
.mega-list li+li{margin-top:2px}
.mega-list a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:12px;font-size:14px;color:var(--text)}
.mega-list a:hover{background:#FFF4EE;color:var(--primary)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--grad-brand);flex-shrink:0}
.mega-post{display:block;padding:12px;border-radius:14px;border:1px solid var(--border);margin-bottom:10px;transition:border-color var(--ease),transform var(--ease)}
.mega-post:hover{border-color:var(--primary);transform:translateY(-2px)}
.mega-post b{display:block;font-size:14px;color:var(--ink);line-height:1.5;font-weight:600}
.mega-post span{display:block;font-size:12px;color:var(--weak);margin-top:4px}
.mega-cta{background:var(--grad-brand);border-radius:var(--radius-sm);padding:20px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;gap:16px}
.mega-cta b{font-size:16px;display:block}
.mega-cta p{margin:6px 0 0;font-size:13px;line-height:1.7;color:rgba(255,255,255,.9)}
.mega-cta a{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 18px;border-radius:var(--pill);
  background:#fff;color:var(--primary-dark);font-size:14px;font-weight:700}
.mega-cta a:hover{transform:translateY(-2px)}
.menu-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:#fff;
  align-items:center;justify-content:center;font-size:18px;color:var(--ink)}

/* ---------- 移动抽屉 ---------- */
.drawer-overlay{position:fixed;inset:0;background:rgba(20,23,28,.5);z-index:200;opacity:0;transition:opacity var(--ease)}
.drawer-overlay.show{opacity:1}
.mobile-drawer{position:fixed;top:0;right:0;height:100%;width:min(88vw,360px);background:#fff;z-index:210;
  transform:translateX(102%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);display:flex;flex-direction:column;padding:20px;overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:16px}
.drawer-nav{display:flex;flex-direction:column;gap:2px;padding:16px 0;flex:1}
.drawer-nav a{padding:14px 12px;border-radius:12px;font-size:15px;color:var(--text)}
.drawer-nav a:hover{background:#FFF4EE;color:var(--primary)}
.drawer-nav a.active{background:#FFF4EE;color:var(--primary);font-weight:600}
.drawer-cta{width:100%}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13px;color:var(--muted);padding:18px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--weak)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb [aria-current="page"]{color:var(--weak)}

/* ---------- Hero 深色 ---------- */
.hero-dark{position:relative;overflow:hidden;border-radius:0 0 32px 32px;
  background-image:linear-gradient(120deg,rgba(20,23,28,.95) 8%,rgba(232,70,42,.88) 62%,rgba(255,145,66,.86)),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;color:#fff;padding:72px 0 80px}
.hero-dark::before,.hero-dark::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.hero-dark::before{width:420px;height:420px;right:-120px;top:-140px;background:radial-gradient(circle,rgba(255,255,255,.20),transparent 68%)}
.hero-dark::after{width:320px;height:320px;left:-100px;bottom:-160px;background:radial-gradient(circle,rgba(108,75,255,.28),transparent 70%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-dark h1{color:#fff}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);border-radius:var(--pill);padding:6px 14px;margin-bottom:18px}
.hero-sub{font-size:18px;color:rgba(255,255,255,.9);margin-top:16px;max-width:520px}
.hero-text{font-size:15px;color:rgba(255,255,255,.78);margin-top:14px;max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-actions .btn{color:#fff}
.hero-actions .btn-primary{background:#fff;color:var(--primary-dark);box-shadow:0 16px 36px -14px rgba(0,0,0,.55)}
.hero-actions .btn-primary:hover{box-shadow:0 20px 40px -14px rgba(0,0,0,.6)}
.hero-panel{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-lg);
  padding:22px;backdrop-filter:blur(6px)}
.hero-panel h3{color:#fff;font-size:17px;margin-bottom:14px}
.hero-steps{counter-reset:hs}
.hero-steps li{counter-increment:hs;display:flex;gap:12px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.9);
  padding:10px 0;border-top:1px solid rgba(255,255,255,.16)}
.hero-steps li:first-child{border-top:0}
.hero-steps li::before{content:counter(hs,decimal-leading-zero);font-weight:800;font-size:13px;color:#fff;
  background:rgba(255,255,255,.18);border-radius:8px;padding:3px 8px;flex-shrink:0;font-variant-numeric:tabular-nums}
.hero-media{margin-top:20px;border-radius:var(--radius-sm);overflow:hidden;aspect-ratio:16/9;background:rgba(255,255,255,.12)}
.hero-media img{width:100%;height:100%;object-fit:cover}

/* ---------- 数据徽章小模块 ---------- */
.badge-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-1);overflow:hidden;margin-top:-36px;position:relative;z-index:5}
.badge-item{display:flex;align-items:center;gap:14px;padding:24px 22px;border-left:1px solid var(--border)}
.badge-item:first-child{border-left:0}
.badge-ico{width:44px;height:44px;border-radius:14px;background:var(--grad-soft);display:flex;align-items:center;justify-content:center;
  font-size:18px;color:var(--primary);flex-shrink:0}
.badge-item b{display:block;font-size:24px;font-weight:800;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums}
.badge-item span{font-size:13px;color:var(--muted)}

/* ---------- 三列大卡栅格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.feature-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);height:100%;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,60,.35)}
.card-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--grad-brand)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.feature-card:hover .card-media img{transform:scale(1.04)}
.card-index{position:absolute;left:14px;top:14px;background:rgba(20,23,28,.78);color:#fff;font-size:12px;font-weight:700;
  border-radius:var(--pill);padding:5px 12px;font-variant-numeric:tabular-nums;letter-spacing:.06em}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--secondary);
  background:rgba(15,158,142,.12);border-radius:var(--pill);padding:4px 12px;width:fit-content}
.chip.orange{color:var(--primary);background:rgba(255,90,60,.12)}
.chip.violet{color:var(--accent);background:rgba(108,75,255,.12)}
.card-body h3{font-size:18px}
.card-body p{font-size:14px;color:var(--muted);line-height:1.8}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--border);display:flex;align-items:center;
  justify-content:space-between;font-size:13px;color:var(--weak)}
.card-foot .arrow{color:var(--primary);font-weight:700;transition:transform var(--ease)}
.feature-card:hover .card-foot .arrow{transform:translateX(4px)}

/* ---------- 说明带 ---------- */
.band{background:var(--band);border-radius:var(--radius-lg);padding:44px}
.band .grid-2{gap:32px}
.checklist li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--border);font-size:15px;color:var(--text)}
.checklist li:last-child{border-bottom:0}
.checklist li::before{content:"✓";color:var(--secondary);font-weight:800;flex-shrink:0}
.mini-note{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-1)}
.mini-note h4{margin-bottom:10px}
.mini-note p{font-size:14px;color:var(--muted)}

/* ---------- 底部统计徽章条 ---------- */
.stats-bar{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:12px}
.stat-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease)}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.stat-card .ico{width:42px;height:42px;border-radius:12px;background:var(--grad-soft);display:flex;align-items:center;
  justify-content:center;font-size:17px;color:var(--primary);margin-bottom:14px}
.stat-card b{display:block;font-size:30px;font-weight:800;color:var(--ink);line-height:1.15;font-variant-numeric:tabular-nums}
.stat-card span{display:block;font-size:14px;color:var(--muted);margin-top:6px}
.stat-card em{display:block;font-style:normal;font-size:13px;color:var(--weak);margin-top:8px}

/* ---------- CTA 通栏 ---------- */
.cta-band{background:var(--grad-brand);border-radius:var(--radius-lg);padding:44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;box-shadow:var(--shadow-2)}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px)}
.cta-band p{color:rgba(255,255,255,.92);margin-top:8px;font-size:15px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#F3EDE7;margin-top:var(--section-gap);padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.foot-brand .logo-text{color:#fff}
.foot-brand p{font-size:14px;color:#A9A29A;margin-top:16px;max-width:340px;line-height:1.8}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.foot-col ul li+li{margin-top:10px}
.foot-col a{font-size:14px;color:#A9A29A}
.foot-col a:hover{color:#fff}
.foot-form{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.foot-form input{flex:1;min-width:180px;height:44px;border-radius:var(--radius-xs);border:1px solid #2C3138;
  background:#1C2026;color:#fff;padding:0 14px;font-size:14px;transition:border-color var(--ease),box-shadow var(--ease)}
.foot-form input::placeholder{color:var(--weak)}
.foot-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,90,60,.12)}
.foot-form .btn{min-height:44px}
.foot-bottom{margin-top:48px;border-top:1px solid #2C3138;padding:22px 0;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#8E8880}
.foot-bottom a{color:#A9A29A}
.foot-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-links a{padding:10px 8px;font-size:14px}
  .mega-panel{width:680px}
}
@media (max-width:1023px){
  .nav-links,.nav-actions .nav-cta,.mega-wrap{display:none}
  .menu-btn{display:inline-flex}
  :root{--section-gap:72px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .badge-strip{grid-template-columns:repeat(2,1fr);margin-top:-24px}
  .badge-item{border-left:0;border-top:1px solid var(--border)}
  .badge-item:nth-child(1),.badge-item:nth-child(2){border-top:0}
  .badge-item:nth-child(odd){border-right:1px solid var(--border)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  :root{--section-gap:56px}
  .section-head{margin-bottom:26px}
  .hero-dark{padding:52px 0 64px;border-radius:0 0 24px 24px}
  .hero-sub{font-size:16px}
  .grid-3,.grid-2,.stats-bar{grid-template-columns:1fr}
  .band,.cta-band{padding:28px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .badge-strip{grid-template-columns:1fr}
  .badge-item{border-right:0 !important;border-top:1px solid var(--border)}
  .badge-item:first-child{border-top:0}
}
@media (max-width:519px){
  .container{padding:0 16px}
  .logo-text{font-size:16px}
  .logo-mark{width:32px;height:32px;font-size:16px}
  .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .cta-actions{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .card-body{padding:18px}
}

/* roulang page: category2 */
:root{
  --primary:#FF5A3C;
  --primary-dark:#E8462A;
  --secondary:#0F9E8E;
  --accent:#6C4BFF;
  --ink:#14171C;
  --text:#3A4049;
  --muted:#6C7480;
  --weak:#9AA3AE;
  --line:#ECE6DE;
  --bg:#FFFBF6;
  --bg-band:#F6F1EA;
  --card:#FFFFFF;
  --dark:#14171C;
  --success:#17A673;
  --warn:#F0A020;
  --danger:#E5484D;
  --grad-brand:linear-gradient(120deg,#FF5A3C,#FF9142);
  --grad-soft:linear-gradient(120deg,#FFF1EA,#FFF7F0);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --r-xs:12px;
  --shadow-1:0 1px 2px rgba(20,23,28,.06),0 8px 24px -12px rgba(20,23,28,.18);
  --shadow-2:0 12px 36px -14px rgba(255,90,60,.32);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.3;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}

.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section-alt{background:var(--bg-band)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,2.6vw,32px)}
.section-head p{color:var(--muted);font-size:15px;margin-top:8px;max-width:640px}
.link-more{color:var(--primary);font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--primary-dark);gap:10px}

/* ===== 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:600;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-2)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -14px rgba(255,90,60,.45)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-1)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-1)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-light:hover{background:rgba(255,255,255,.28);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* ===== 标签 ===== */
.tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:999px;font-size:13px;font-weight:600;background:#FFF1EA;color:var(--primary);
}
.tag-green{background:rgba(15,158,142,.12);color:var(--secondary)}
.tag-violet{background:rgba(108,75,255,.12);color:var(--accent)}
.tag-ink{background:rgba(20,23,28,.06);color:var(--muted)}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:70;background:rgba(255,251,246,.94);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.site-header.is-stuck{box-shadow:var(--shadow-1);border-bottom-color:var(--line);background:rgba(255,251,246,.96)}
.nav{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:17px;box-shadow:var(--shadow-2);
}
.logo-text{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;min-width:0}
.nav-links a{
  position:relative;font-size:15px;color:var(--text);padding:22px 10px;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:10px;right:10px;bottom:14px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--primary);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.mega-wrap{position:relative}
.mega-toggle{
  display:inline-flex;align-items:center;gap:6px;height:42px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink);font-weight:600;
  transition:all var(--ease);
}
.mega-toggle:hover{border-color:var(--primary);color:var(--primary)}
.mega-toggle .caret{transition:transform var(--ease);font-size:11px}
.mega-toggle[aria-expanded="true"] .caret{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:760px;background:#fff;border-radius:var(--r-md);
  box-shadow:var(--shadow-2);border:1px solid var(--line);padding:26px;
  display:grid;grid-template-columns:1.1fr 1.1fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:all 160ms cubic-bezier(.2,.7,.3,1);
}
.mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:13px;color:var(--weak);letter-spacing:.08em;margin-bottom:14px;text-transform:uppercase}
.mega-list li{margin-bottom:4px}
.mega-list a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:var(--r-xs);font-size:14px;color:var(--text)}
.mega-list a:hover{background:#FFF4EE;color:var(--primary)}
.mega-list .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);flex:0 0 auto}
.mega-post{display:block;padding:12px;border-radius:var(--r-xs);transition:background var(--ease)}
.mega-post:hover{background:#FFF4EE}
.mega-post b{display:block;font-size:14px;color:var(--ink);line-height:1.5;margin-bottom:4px}
.mega-post span{font-size:12px;color:var(--weak)}
.mega-cta{
  background:var(--grad-brand);border-radius:var(--r-md);padding:22px;color:#fff;
  display:flex;flex-direction:column;justify-content:space-between;gap:18px;
}
.mega-cta b{color:#fff;font-size:17px}
.mega-cta p{font-size:13px;color:rgba(255,255,255,.9);margin-top:6px;line-height:1.7}
.mega-cta a{
  display:inline-flex;align-items:center;justify-content:center;height:42px;border-radius:999px;
  background:#fff;color:var(--primary);font-size:14px;font-weight:700;
}
.mega-cta a:hover{background:#FFF1EA}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* ===== 面包屑 ===== */
.crumb-bar{padding:20px 0 0}
.crumbs{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:var(--weak)}
.crumbs .current{color:var(--weak)}

/* ===== 页面 Hero ===== */
.page-hero{padding:36px 0 0}
.hero-box{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--grad-soft);border:1px solid var(--line);
  display:grid;grid-template-columns:1.15fr .85fr;gap:0;
}
.hero-copy{padding:44px 40px 44px 44px;position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;color:var(--secondary);font-size:13px;font-weight:600;box-shadow:var(--shadow-1);margin-bottom:18px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--secondary);display:block}
.hero-copy h1{font-size:clamp(27px,3.5vw,42px);line-height:1.22;letter-spacing:-.01em}
.hero-copy h1 em{font-style:normal;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:16px;font-size:16px;color:var(--muted);max-width:32em;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:26px;border-top:1px dashed var(--line)}
.hero-facts div b{display:block;font-size:22px;color:var(--ink)}
.hero-facts div span{font-size:13px;color:var(--muted)}
.hero-media{position:relative;min-height:320px;background:var(--grad-brand)}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.92}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,251,246,.85),rgba(255,251,246,0) 55%)}
.hero-float{
  position:absolute;left:24px;bottom:24px;z-index:3;background:#fff;border-radius:var(--r-sm);
  padding:14px 18px;box-shadow:var(--shadow-1);border:1px solid var(--line);
}
.hero-float b{display:block;font-size:15px;color:var(--ink)}
.hero-float span{font-size:12px;color:var(--muted)}

/* ===== 筛选胶囊 ===== */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:22px 0 0;
}
.chip{
  height:40px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--muted);font-weight:600;transition:all var(--ease);
}
.chip:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.chip.is-active{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:var(--shadow-2)}
.filter-note{font-size:13px;color:var(--weak);margin-left:auto}

/* ===== 主体两栏 ===== */
.layout{display:grid;grid-template-columns:272px minmax(0,1fr);gap:36px;align-items:start}
.toc{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.toc-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow-1)}
.toc-card h4{font-size:14px;color:var(--weak);letter-spacing:.08em;margin-bottom:16px}
.toc-list li a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--r-xs);
  font-size:14px;color:var(--text);border-left:2px solid transparent;
}
.toc-list li a:hover{background:#FFF4EE;color:var(--primary);border-left-color:var(--primary)}
.toc-list li a b{font-size:12px;color:var(--weak);font-weight:600;min-width:20px}
.side-cta{
  background:var(--dark);color:#fff;border-radius:var(--r-md);padding:26px;position:relative;overflow:hidden;
}
.side-cta::after{
  content:"";position:absolute;width:150px;height:150px;border-radius:50%;
  background:rgba(255,90,60,.35);filter:blur(38px);right:-40px;top:-40px;
}
.side-cta h4{color:#fff;font-size:18px;margin-bottom:10px;position:relative;z-index:2}
.side-cta p{font-size:13px;color:#B9B3AC;line-height:1.8;position:relative;z-index:2}
.side-cta .btn{margin-top:18px;width:100%;position:relative;z-index:2}
.side-list{margin-top:18px;position:relative;z-index:2;display:flex;flex-direction:column;gap:10px}
.side-list a{font-size:13px;color:#D6D1CA;display:flex;justify-content:space-between;align-items:center;gap:8px}
.side-list a:hover{color:#fff}

/* ===== 卡片 ===== */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.info-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#FFE0D3}
.card-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--grad-brand)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.info-card:hover .card-media img{transform:scale(1.04)}
.card-media .corner{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--ink);
  font-size:12px;font-weight:700;height:26px;display:inline-flex;align-items:center;padding:0 10px;border-radius:999px;
}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:19px;line-height:1.45}
.card-body p{font-size:14px;color:var(--muted);line-height:1.8}
.card-points{display:flex;flex-direction:column;gap:8px;margin-top:2px}
.card-points li{font-size:13px;color:var(--text);display:flex;gap:8px;line-height:1.7}
.card-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--secondary);margin-top:8px;flex:0 0 auto}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--weak);
}
.card-foot .go{color:var(--primary);font-weight:700;display:inline-flex;align-items:center;gap:6px}
.info-card:hover .card-foot .go{gap:10px}
.info-card.is-hidden{display:none}

/* ===== 横滑口碑 ===== */
.rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.rail-btns{display:flex;gap:10px}
.rail-btn{
  width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink);box-shadow:var(--shadow-1);transition:all var(--ease);
}
.rail-btn:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 12px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{height:0;width:0}
.quote-card{
  flex:0 0 320px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow-1);transition:all var(--ease);
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.quote-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:44px;height:44px;border-radius:50%;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:16px;flex:0 0 auto;
}
.quote-top b{display:block;font-size:15px;color:var(--ink)}
.quote-top span{font-size:12px;color:var(--weak)}
.quote-card p{font-size:14px;color:var(--muted);line-height:1.8}
.quote-card .tag{margin-top:16px}

/* ===== 问答卡 ===== */
.qa-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.qa-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px;box-shadow:var(--shadow-1);transition:all var(--ease)}
.qa-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.qa-card h3{font-size:17px;line-height:1.5;display:flex;gap:10px}
.qa-card h3 i{
  font-style:normal;width:26px;height:26px;border-radius:9px;background:#FFF1EA;color:var(--primary);
  font-size:13px;font-weight:800;display:grid;place-items:center;flex:0 0 auto;margin-top:2px;
}
.qa-card p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.85}

/* ===== CTA 通栏 ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--grad-brand);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-2);
}
.cta-band::before,.cta-band::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.16)}
.cta-band::before{width:220px;height:220px;right:-60px;top:-90px}
.cta-band::after{width:140px;height:140px;left:-50px;bottom:-70px}
.cta-band h2{color:#fff;font-size:clamp(23px,2.6vw,30px);position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.92);font-size:15px;margin-top:10px;position:relative;z-index:2;max-width:36em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:#D9D4CD;margin-top:var(--sec);padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.foot-brand .logo-text{color:#fff}
.foot-brand p{font-size:14px;color:#A9A29A;line-height:1.85;margin-top:16px;max-width:34em}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:18px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col a{font-size:14px;color:#A9A29A}
.foot-col a:hover{color:var(--primary)}
.foot-form{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.foot-form input{
  flex:1 1 150px;height:46px;padding:0 14px;border-radius:var(--r-xs);border:1px solid #2A2E35;
  background:#1B1F25;color:#fff;font-size:14px;transition:all var(--ease);
}
.foot-form input::placeholder{color:#7E786F}
.foot-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,90,60,.14)}
.foot-form .btn{height:46px}
.foot-bottom{
  border-top:1px solid #23272E;padding:22px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8B857D;
}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  :root{--sec:80px}
  .mega-panel{width:680px}
  .nav-links a{padding:22px 8px;font-size:14px}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .container{padding:0 20px}
  .burger{display:inline-flex}
  .nav{gap:14px}
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(340px,86vw);background:#fff;z-index:90;
    flex-direction:column;align-items:stretch;gap:0;padding:88px 20px 32px;margin:0;
    box-shadow:-16px 0 40px -20px rgba(20,23,28,.35);transform:translateX(105%);
    transition:transform 220ms cubic-bezier(.2,.7,.3,1);overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-links a{padding:16px 8px;border-bottom:1px solid var(--line);font-size:16px}
  .nav-links a::after{display:none}
  .mega-wrap{display:none}
  .mega-panel.is-open{opacity:1;visibility:visible}
  .layout{grid-template-columns:1fr;gap:28px}
  .toc{position:static;flex-direction:row;flex-wrap:wrap}
  .toc-card{flex:1 1 300px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-box{grid-template-columns:1fr}
  .hero-media{min-height:240px}
  .hero-media::after{background:linear-gradient(180deg,rgba(255,251,246,.9),rgba(255,251,246,0) 60%)}
  .hero-copy{padding:36px 28px}
  .cta-band{padding:38px 30px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding:0 16px}
  .hero-copy{padding:30px 22px}
  .hero-facts{gap:20px}
  .card-grid{grid-template-columns:1fr}
  .qa-grid{grid-template-columns:1fr}
  .quote-card{flex:0 0 82%}
  .rail-btns{display:none}
  .section-head{margin-bottom:28px}
  .cta-band{padding:30px 22px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .filter-note{display:none}
}
@media (max-width:519px){
  .logo-text{font-size:16px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 100%}
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .quote-card{flex:0 0 88%}
}

/* roulang page: category3 */
:root{
  --primary:#FF5A3C;
  --primary-soft:#FFF4EE;
  --secondary:#0F9E8E;
  --accent:#6C4BFF;
  --ink:#14171C;
  --text:#3A4049;
  --muted:#6C7480;
  --faint:#9AA3AE;
  --border:#ECE6DE;
  --bg:#FFFBF6;
  --bg-band:#F6F1EA;
  --card:#FFFFFF;
  --success:#17A673;
  --warning:#F0A020;
  --danger:#E5484D;
  --grad-brand:linear-gradient(120deg,#FF5A3C,#FF9142);
  --grad-soft:linear-gradient(120deg,rgba(255,90,60,.12),rgba(255,145,66,.12));
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:14px;
  --radius-xs:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,23,28,.06),0 8px 24px -12px rgba(20,23,28,.18);
  --shadow-2:0 12px 36px -14px rgba(255,90,60,.32);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--secondary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--primary)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.01em}
h1{font-size:clamp(28px,4.2vw,52px);line-height:1.15}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3}
h3{font-size:22px;line-height:1.4;font-weight:600}
h4{font-size:18px;line-height:1.5;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-2)}
.btn-primary:hover{transform:translateY(-2px);color:#fff;box-shadow:0 16px 40px -16px rgba(255,90,60,.55)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-1)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--border);box-shadow:var(--shadow-1)}
.btn-ghost:hover{color:var(--primary);border-color:rgba(255,90,60,.45);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px);box-shadow:none}
.btn-light{background:rgba(255,255,255,.92);color:var(--ink);border-color:rgba(255,255,255,.9)}
.btn-light:hover{background:#fff;color:var(--primary);transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,251,246,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);background:rgba(255,251,246,.97)}
.nav{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;font-weight:700;font-size:17px;letter-spacing:0;
  box-shadow:var(--shadow-2);
}
.logo-text{font-size:19px;font-weight:700;color:var(--ink);white-space:nowrap}
.logo:hover .logo-text{color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:72px;padding:0 12px;
  font-size:15px;color:var(--text);white-space:nowrap;font-weight:500;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:16px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--primary);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-cta{height:42px;padding:0 20px;font-size:15px}
.mega-wrap{position:relative}
.mega-toggle{
  display:inline-flex;align-items:center;gap:6px;height:42px;padding:0 16px;
  border-radius:var(--radius-pill);border:1px solid var(--border);background:#fff;
  color:var(--ink);font-size:14px;font-weight:600;transition:var(--ease);
}
.mega-toggle:hover{color:var(--primary);border-color:rgba(255,90,60,.4);box-shadow:var(--shadow-1)}
.caret{font-size:11px;transition:transform var(--ease)}
.mega-toggle[aria-expanded="true"] .caret{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:780px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);padding:24px;
  display:grid;grid-template-columns:1.1fr 1fr .9fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity 160ms ease,transform 160ms ease,visibility 160ms;
}
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:14px;color:var(--muted);font-weight:600;letter-spacing:.06em;margin-bottom:12px}
.mega-list li+li{margin-top:6px}
.mega-list a{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text);padding:6px 0}
.mega-list a:hover{color:var(--primary)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--grad-brand);flex:0 0 auto}
.mega-post{display:block;padding:12px;border-radius:var(--radius-xs);background:var(--bg-band);transition:var(--ease)}
.mega-post+.mega-post{margin-top:10px}
.mega-post b{display:block;font-size:14px;color:var(--ink);line-height:1.5}
.mega-post span{font-size:13px;color:var(--muted)}
.mega-post:hover{background:var(--primary-soft);transform:translateY(-2px)}
.mega-cta{
  display:flex;flex-direction:column;justify-content:space-between;gap:16px;
  background:var(--grad-brand);color:#fff;border-radius:var(--radius-sm);padding:20px;
}
.mega-cta b{font-size:17px;display:block;margin-bottom:6px}
.mega-cta p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.9)}
.mega-cta a{
  display:inline-flex;align-items:center;justify-content:center;height:40px;border-radius:var(--radius-pill);
  background:#fff;color:var(--primary);font-size:14px;font-weight:700;
}
.mega-cta a:hover{color:#fff;background:rgba(0,0,0,.22)}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:var(--ease)}
.mobile-drawer{
  position:fixed;inset:0 0 0 auto;width:min(86vw,360px);background:#fff;z-index:90;
  transform:translateX(102%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);
  box-shadow:-12px 0 40px -20px rgba(20,23,28,.4);display:flex;flex-direction:column;
  padding:20px 20px 28px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:#fff;font-size:18px;color:var(--ink)}
.drawer-list{margin-top:12px}
.drawer-list a{display:block;padding:14px 4px;font-size:16px;color:var(--text);border-bottom:1px solid var(--border);font-weight:500}
.drawer-list a.active{color:var(--primary);font-weight:700}
.drawer-cta{margin-top:20px}
.drawer-cta .btn{width:100%}
.scrim{position:fixed;inset:0;background:rgba(20,23,28,.42);opacity:0;visibility:hidden;transition:var(--ease);z-index:80}
.scrim.show{opacity:1;visibility:visible}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--muted)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--faint)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb .current{color:var(--faint)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:48px 0 64px}
.hero-bg{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(680px 340px at 8% -10%,rgba(255,90,60,.14),transparent 70%),
    radial-gradient(520px 320px at 96% 6%,rgba(15,158,142,.12),transparent 72%),
    var(--bg);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--radius-pill);
  background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;margin-bottom:18px;
  border:1px solid rgba(255,90,60,.18);
}
.hero h1{max-width:16em}
.hero-sub{margin-top:18px;font-size:17px;color:var(--muted);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-note{margin-top:20px;font-size:13px;color:var(--faint);display:flex;align-items:center;gap:8px}

/* 步骤指示条（本页独有模块） */
.steps-bar{
  margin-top:34px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:20px 22px;box-shadow:var(--shadow-1);
}
.steps-bar h4{font-size:14px;color:var(--muted);font-weight:600;letter-spacing:.06em;margin-bottom:16px}
.steps-track{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.step-chip{position:relative;padding-left:34px}
.step-chip::before{
  content:"";position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:50%;
  background:var(--grad-brand);box-shadow:0 6px 16px -8px rgba(255,90,60,.7);
}
.step-chip::after{
  content:attr(data-step);position:absolute;left:0;top:2px;width:22px;height:22px;
  display:grid;place-items:center;color:#fff;font-size:12px;font-weight:700;
}
.step-chip b{display:block;font-size:14px;color:var(--ink);line-height:1.5}
.step-chip span{font-size:13px;color:var(--muted)}
.step-chip:not(:last-child)::marker{content:none}

.hero-media{position:relative}
.hero-shot{
  border-radius:var(--radius-lg);overflow:hidden;background:var(--grad-brand);
  box-shadow:var(--shadow-1);aspect-ratio:16/11;
}
.hero-shot img{width:100%;height:100%;object-fit:cover}
.float-chip{
  position:absolute;background:#fff;border-radius:var(--radius-sm);padding:12px 16px;
  box-shadow:var(--shadow-1);border:1px solid var(--border);
}
.float-chip b{display:block;font-size:18px;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums}
.float-chip span{font-size:12px;color:var(--muted)}
.float-chip.c1{left:-16px;bottom:34px}
.float-chip.c2{right:-10px;top:28px}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0 0}
.section.band{margin-top:96px;padding:80px 0;background:var(--bg-band)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--primary);
  text-transform:uppercase;margin-bottom:12px;
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px}
.section-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:84px}
.timeline::before{
  content:"";position:absolute;left:33px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(255,90,60,.55),rgba(255,145,66,.35),rgba(15,158,142,.35));
}
.tl-item{position:relative;padding-bottom:52px}
.tl-item:last-child{padding-bottom:0}
.tl-node{
  position:absolute;left:-84px;top:0;width:48px;height:48px;border-radius:50%;
  background:#fff;border:2px solid rgba(255,90,60,.4);display:grid;place-items:center;
  color:var(--primary);font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
  box-shadow:var(--shadow-1);z-index:1;
}
.tl-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:26px 28px;box-shadow:var(--shadow-1);
  display:grid;grid-template-columns:1.25fr .75fr;gap:26px;align-items:center;
  transition:transform var(--ease),box-shadow var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.tl-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-pill);
  background:var(--bg-band);color:var(--secondary);font-size:12px;font-weight:700;margin-bottom:12px;
}
.tl-card h3{margin-bottom:10px}
.tl-card p{font-size:15px;color:var(--muted)}
.tl-points{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.tl-points span{
  font-size:13px;color:var(--text);background:var(--primary-soft);
  border-radius:var(--radius-pill);padding:5px 12px;border:1px solid rgba(255,90,60,.14);
}
.tl-media{
  border-radius:var(--radius-sm);overflow:hidden;aspect-ratio:4/3;background:var(--grad-brand);
  border:1px solid var(--border);
}
.tl-media img{width:100%;height:100%;object-fit:cover}

/* ---------- 横滑容器 ---------- */
.rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.rail-nav{display:flex;gap:10px}
.rail-btn{
  width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid var(--border);
  color:var(--ink);font-size:16px;display:grid;place-items:center;box-shadow:var(--shadow-1);
  transition:var(--ease);
}
.rail-btn:hover{color:var(--primary);border-color:rgba(255,90,60,.4)}
.rail-btn:active{transform:translateY(1px);box-shadow:none}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 18px;margin:0 -4px;scrollbar-width:none;
}
.rail::-webkit-scrollbar{width:0;height:0;display:none}
.rail>*{scroll-snap-align:start;flex:0 0 calc((100% - 60px)/3.5)}
.rail-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow-1);display:block;
  transition:transform var(--ease),box-shadow var(--ease);
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.rail-cover{position:relative;aspect-ratio:9/16;overflow:hidden;background:var(--grad-brand)}
.rail-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.rail-card:hover .rail-cover img{transform:scale(1.04)}
.rail-badge{
  position:absolute;left:12px;top:12px;height:26px;padding:0 10px;border-radius:var(--radius-pill);
  background:rgba(20,23,28,.62);color:#fff;font-size:12px;display:inline-flex;align-items:center;font-weight:600;
}
.rail-body{padding:16px 18px 18px}
.rail-body h3{font-size:16px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-foot{margin-top:12px;display:flex;align-items:center;justify-content:space-between}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;background:rgba(15,158,142,.12);color:var(--secondary);
}
.chip.orange{background:var(--primary-soft);color:var(--primary)}

/* ---------- 检查清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.check-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:28px;
  box-shadow:var(--shadow-1);transition:var(--ease);
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.check-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad-soft);color:var(--primary);font-size:20px;margin-bottom:16px;font-weight:700;
}
.check-card h3{font-size:19px;margin-bottom:12px}
.check-card ul{margin-top:6px}
.check-card li{
  position:relative;padding-left:18px;font-size:15px;color:var(--muted);line-height:1.9;
}
.check-card li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--secondary);
}
.check-card li+li{margin-top:4px}

/* ---------- 口碑条 ---------- */
.voice-rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 16px;margin:0 -4px;scrollbar-width:none}
.voice-rail::-webkit-scrollbar{width:0;height:0;display:none}
.voice-card{
  scroll-snap-align:start;flex:0 0 calc((100% - 48px)/4);
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow-1);transition:var(--ease);
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:44px;height:44px;border-radius:50%;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:16px;flex:0 0 auto;
}
.voice-top b{display:block;font-size:15px;color:var(--ink)}
.voice-top span{font-size:12px;color:var(--faint)}
.voice-card p{font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.voice-foot{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  margin-top:96px;background:var(--grad-brand);border-radius:var(--radius-lg);
  padding:48px 52px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 24px 60px -30px rgba(255,90,60,.7);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px)}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.92);font-size:15px;max-width:36em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;background:var(--ink);color:#E9E4DE;padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.site-footer .logo-mark{box-shadow:none}
.site-footer .logo-text{color:#fff}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:#A9A29A;max-width:32em}
.foot-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:.04em}
.foot-col ul li+li{margin-top:10px}
.foot-col a{color:#A9A29A;font-size:14px}
.foot-col a:hover{color:#fff}
.foot-form{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}
.foot-form input{
  flex:1 1 140px;height:44px;border-radius:var(--radius-xs);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;transition:var(--ease);
}
.foot-form input::placeholder{color:#8C857D}
.foot-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,90,60,.18)}
.foot-form .btn{height:44px;padding:0 20px;font-size:14px}
.foot-bottom{
  margin-top:56px;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:#8C857D;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .rail>*{flex:0 0 calc((100% - 40px)/3)}
  .voice-card{flex:0 0 calc((100% - 36px)/3)}
  .mega-panel{width:700px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .hamburger{display:inline-flex}
  .mega-wrap{display:none}
  .nav-cta{display:none}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-shot{aspect-ratio:16/10}
  .check-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .tl-card{grid-template-columns:1fr;gap:20px}
  .tl-media{aspect-ratio:16/9;order:-1}
  .rail>*{flex:0 0 calc((100% - 20px)/2.2)}
  .voice-card{flex:0 0 calc((100% - 20px)/2.2)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0 0}
  .section.band{margin-top:56px;padding:56px 0}
  .section-head{margin-bottom:28px}
  .section-head.row{flex-direction:column;align-items:flex-start}
  .hero{padding:28px 0 40px}
  .hero-actions .btn{flex:1 1 100%}
  .steps-track{grid-template-columns:1fr 1fr;gap:16px}
  .timeline{padding-left:56px}
  .timeline::before{left:21px}
  .tl-node{left:-56px;width:36px;height:36px;font-size:13px}
  .tl-card{padding:20px}
  .check-grid{grid-template-columns:1fr}
  .rail{padding-bottom:12px}
  .rail>*{flex:0 0 78%}
  .rail-nav{display:none}
  .voice-card{flex:0 0 84%}
  .cta-band{padding:32px 22px;margin-top:56px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding-top:48px;margin-top:56px}
  .foot-bottom{flex-direction:column;align-items:flex-start;margin-top:36px}
  .float-chip.c1{left:8px;bottom:14px}
  .float-chip.c2{right:8px;top:14px}
}
@media (max-width:480px){
  .logo-text{font-size:16px}
  .hero h1{font-size:26px}
  .rail>*{flex:0 0 86%}
  .steps-track{grid-template-columns:1fr}
  .section-head p{font-size:15px}
}

/* roulang page: category4 */
:root{
  --primary:#FF5A3C;
  --primary-soft:#FFF4EE;
  --secondary:#0F9E8E;
  --accent:#6C4BFF;
  --ink:#14171C;
  --text:#3A4049;
  --muted:#6C7480;
  --faint:#9AA3AE;
  --border:#ECE6DE;
  --bg:#FFFBF6;
  --band:#F6F1EA;
  --card:#FFFFFF;
  --dark:#14171C;
  --success:#17A673;
  --warn:#F0A020;
  --danger:#E5484D;
  --grad-brand:linear-gradient(120deg,#FF5A3C,#FF9142);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --shadow-1:0 1px 2px rgba(20,23,28,.06),0 8px 24px -12px rgba(20,23,28,.18);
  --shadow-2:0 12px 36px -14px rgba(255,90,60,.32);
  --sp-section:96px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button,input{font:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,251,246,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav{display:flex;align-items:center;gap:22px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{
  width:34px;height:34px;border-radius:12px;flex:none;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:700;
  box-shadow:var(--shadow-2);
}
.logo-text{font-size:19px;font-weight:700;color:var(--ink);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:20px;flex:1;min-width:0;}
.nav-links a{
  position:relative;font-size:15px;color:var(--text);
  padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-5px;height:2px;
  background:var(--grad-brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--primary);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--primary);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.mega-wrap{position:relative;}
.mega-toggle{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 20px;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;
  border:0;cursor:pointer;box-shadow:var(--shadow-2);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.mega-toggle:hover{transform:translateY(-2px);}
.mega-toggle:active{transform:translateY(1px);}
.caret{font-size:12px;line-height:1;}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);
  width:800px;max-width:calc(100vw - 48px);
  background:#fff;border:1px solid var(--border);border-radius:20px;
  box-shadow:var(--shadow-2);
  padding:24px;display:grid;grid-template-columns:1.1fr 1fr .85fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .16s var(--ease),transform .16s var(--ease),visibility .16s var(--ease);
}
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
@media (hover:hover){
  .mega-wrap:hover .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
}
.mega-col h4,.mega-panel h4{font-size:14px;color:var(--faint);font-weight:600;margin-bottom:14px;letter-spacing:.06em;}
.mega-list li{margin-bottom:10px;}
.mega-list a{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--text);}
.mega-list a:hover{color:var(--primary);}
.mega-list .dot{width:6px;height:6px;border-radius:50%;background:var(--grad-brand);flex:none;}
.mega-post{display:block;padding:10px 12px;border-radius:14px;background:var(--band);margin-bottom:10px;}
.mega-post b{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.6;}
.mega-post span{font-size:12px;color:var(--faint);}
.mega-post:hover{background:var(--primary-soft);}
.mega-post:hover b{color:var(--primary);}
.mega-cta{
  background:var(--grad-brand);border-radius:18px;padding:20px;color:#fff;
  display:flex;flex-direction:column;justify-content:space-between;gap:16px;
}
.mega-cta b{font-size:17px;}
.mega-cta p{font-size:13px;color:rgba(255,255,255,.88);margin-top:6px;line-height:1.7;}
.mega-cta a{
  display:block;text-align:center;background:#fff;color:var(--primary);
  border-radius:999px;padding:9px 16px;font-size:14px;font-weight:600;
}
.mega-cta a:hover{transform:translateY(-2px);}

/* ---------- breadcrumb / badge / button ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:20px;
}
.breadcrumb a{color:var(--secondary);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--faint);}
.breadcrumb .current{color:var(--muted);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:999px;padding:5px 14px;font-size:13px;font-weight:600;
}
.badge-soft{background:var(--primary-soft);color:var(--primary);}
.badge-teal{background:rgba(15,158,142,.12);color:var(--secondary);}
.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;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-2);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px -14px rgba(255,90,60,.5);}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--ink);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--primary);}
.btn-line{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.65);color:#fff;}
.btn-line:hover{background:rgba(255,255,255,.24);}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:52px 0 76px;
  background-image:linear-gradient(180deg,rgba(255,251,246,.93),rgba(255,251,246,.99)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;width:440px;height:440px;border-radius:50%;
  top:-190px;right:-90px;
  background:radial-gradient(circle,rgba(255,90,60,.18),transparent 70%);
}
.page-hero::after{
  content:"";position:absolute;width:320px;height:320px;border-radius:50%;
  bottom:-160px;left:-120px;
  background:radial-gradient(circle,rgba(15,158,142,.16),transparent 70%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center;
}
.hero-title{font-size:clamp(28px,4.2vw,44px);line-height:1.18;font-weight:700;margin:14px 0 16px;}
.hero-lead{font-size:17px;color:var(--muted);max-width:30em;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags li{
  font-size:13px;color:var(--muted);
  background:#fff;border:1px solid var(--border);
  border-radius:999px;padding:6px 14px;
}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/5;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);
  background:var(--grad-brand);
}
.hero-float{
  position:absolute;left:-20px;bottom:30px;
  background:#fff;border-radius:16px;box-shadow:var(--shadow-2);
  padding:14px 18px;display:flex;gap:12px;align-items:center;
}
.hero-float .num{font-size:22px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;}
.hero-float span{font-size:13px;color:var(--muted);line-height:1.5;}

/* ---------- section ---------- */
.section{padding:var(--sp-section) 0;}
.section-band{background:var(--band);}
.section-head{max-width:660px;margin-bottom:44px;}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700;margin-bottom:12px;}
.section-head p{color:var(--muted);}

/* ---------- notice strip ---------- */
.notice-strip{
  position:relative;z-index:3;margin-top:-40px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);padding:24px;
}
.notice-strip li{display:flex;gap:12px;align-items:flex-start;}
.notice-num{
  flex:none;width:28px;height:28px;border-radius:10px;
  background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.notice-strip b{display:block;font-size:15px;color:var(--ink);margin-bottom:4px;}
.notice-strip span{font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-col{border-radius:var(--r-lg);padding:30px;border:1px solid var(--border);}
.compare-left{background:var(--band);}
.compare-right{background:#fff;border-color:rgba(255,90,60,.3);box-shadow:var(--shadow-1);}
.compare-col h3{font-size:22px;font-weight:600;margin-bottom:8px;}
.compare-col .ctag{display:block;font-size:13px;font-weight:600;color:var(--faint);margin-bottom:18px;letter-spacing:.06em;}
.compare-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:15px 0;border-top:1px dashed var(--border);font-size:15px;
}
.compare-list li:first-child{border-top:0;padding-top:0;}
.compare-idx{
  flex:none;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:13px;font-weight:700;
  background:#fff;color:var(--muted);border:1px solid var(--border);
  font-variant-numeric:tabular-nums;
}
.compare-right .compare-idx{background:var(--primary);color:#fff;border-color:transparent;}

/* ---------- spec cards ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.spec-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.spec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.spec-label{font-size:13px;color:var(--faint);letter-spacing:.06em;margin-bottom:10px;}
.spec-value{
  font-size:20px;font-weight:700;color:var(--ink);margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
.spec-note{font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- entry layout ---------- */
.entry-layout{display:grid;grid-template-columns:1.45fr .9fr;gap:34px;align-items:start;}
.entry-points li{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px 0;border-bottom:1px solid var(--border);
}
.entry-points li:first-child{padding-top:0;}
.entry-points h4{font-size:17px;font-weight:600;margin-bottom:6px;}
.entry-points p{font-size:14px;color:var(--muted);line-height:1.75;}
.entry-flag{
  flex:none;width:40px;height:40px;border-radius:14px;
  background:rgba(15,158,142,.12);color:var(--secondary);
  display:grid;place-items:center;font-size:16px;font-weight:700;
}
.entry-aside{position:sticky;top:96px;}
.entry-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:28px;
}
.entry-card h3{font-size:20px;font-weight:600;margin-bottom:10px;}
.entry-card > p{font-size:14px;color:var(--muted);margin-bottom:20px;}
.entry-links li a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:13px 16px;border-radius:var(--r-sm);background:var(--band);
  font-size:15px;margin-bottom:10px;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.entry-links li a:hover{background:var(--primary-soft);color:var(--primary);transform:translateX(3px);}
.entry-links .arrow{font-size:14px;color:var(--faint);}
.entry-links li a:hover .arrow{color:var(--primary);}
.entry-foot{
  margin-top:18px;font-size:13px;line-height:1.75;color:var(--secondary);
  background:rgba(15,158,142,.1);border-radius:var(--r-sm);padding:14px 16px;
}

/* ---------- cta ---------- */
.cta-band{
  background:var(--grad-brand);border-radius:28px;
  padding:46px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-2);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;margin-bottom:10px;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.9);max-width:34em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:none;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--dark);color:#EDE7E0;
  margin-top:var(--sp-section);padding:64px 0 28px;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.35fr;gap:34px;}
.foot-brand .logo{margin-bottom:6px;}
.foot-brand .logo-text{color:#fff;}
.foot-brand p{font-size:14px;color:#A9A29A;line-height:1.8;margin-top:10px;}
.foot-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px;}
.foot-col ul li{margin-bottom:11px;}
.foot-col ul a{font-size:14px;color:#C7C0B8;}
.foot-col ul a:hover{color:var(--primary);}
.foot-form{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.foot-form input{
  flex:1;min-width:0;height:44px;padding:0 14px;
  border-radius:12px;border:1px solid #35302B;background:#1D2126;
  color:#fff;font-size:14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.foot-form input::placeholder{color:#8B857D;font-size:14px;}
.foot-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,90,60,.16);}
.foot-form .btn{height:44px;padding:0 20px;font-size:14px;}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  border-top:1px solid rgba(255,255,255,.1);
  margin-top:48px;padding-top:22px;
  font-size:13px;color:#9AA3AE;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--sp-section:72px;}
  .nav{flex-wrap:wrap;height:auto;padding:12px 0;gap:14px 18px;}
  .nav-links{
    order:3;width:100%;flex:1 0 100%;
    overflow-x:auto;padding-bottom:6px;gap:18px;
    -ms-overflow-style:none;scrollbar-width:none;
  }
  .nav-links::-webkit-scrollbar{height:0;width:0;}
  .nav-actions{margin-left:auto;}
  .mega-panel{grid-template-columns:1fr 1fr;width:min(620px,calc(100vw - 40px));}
  .mega-cta{grid-column:1 / -1;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{max-width:440px;}
  .spec-grid{grid-template-columns:repeat(2,1fr);}
  .entry-layout{grid-template-columns:1fr;gap:28px;}
  .entry-aside{position:static;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:38px;}
}
@media (max-width:768px){
  :root{--sp-section:56px;}
  .container{padding:0 20px;}
  .notice-strip{grid-template-columns:1fr;gap:16px;padding:20px;}
  .compare{grid-template-columns:1fr;}
  .compare-col{padding:24px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section-head{margin-bottom:32px;}
  .hero-float{left:12px;bottom:-18px;}
}
@media (max-width:560px){
  .container{padding:0 16px;}
  .logo-text{font-size:16px;}
  .mega-toggle{padding:0 16px;font-size:14px;}
  .mega-panel{grid-template-columns:1fr;padding:20px;width:calc(100vw - 32px);}
  .hero-media img{aspect-ratio:3/4;}
  .spec-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .entry-card{padding:22px;}
  .btn{width:100%;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .cta-actions{width:100%;}
}

/* roulang page: category5 */
:root{
  --primary:#FF5A3C;
  --primary-deep:#E8462A;
  --secondary:#0F9E8E;
  --accent:#6C4BFF;
  --ink:#14171C;
  --text:#3A4049;
  --muted:#6C7480;
  --faint:#9AA3AE;
  --line:#ECE6DE;
  --bg:#FFFBF6;
  --bg-band:#F6F1EA;
  --card:#FFFFFF;
  --dark:#14171C;
  --success:#17A673;
  --warn:#F0A020;
  --danger:#E5484D;
  --grad-brand:linear-gradient(120deg,#FF5A3C,#FF9142);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(20,23,28,.06),0 8px 24px -12px rgba(20,23,28,.18);
  --shadow-2:0 12px 36px -14px rgba(255,90,60,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section-band{background:var(--bg-band)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,2.6vw,32px)}
.sec-head p{color:var(--muted);font-size:15px;margin-top:8px}
.sec-head .sec-more{font-size:14px;font-weight:600;color:var(--secondary);display:inline-flex;align-items:center;gap:6px;transition:gap var(--t),color var(--t)}
.sec-head .sec-more:hover{gap:12px;color:var(--primary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn:active{transform:translateY(1px);box-shadow:none}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-2)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -16px rgba(255,90,60,.55)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--ink);box-shadow:var(--shadow-1)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.5);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.28);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;
  border-radius:var(--r-pill);font-size:13px;font-weight:600;line-height:1;
  background:rgba(255,90,60,.12);color:var(--primary-deep);
}
.badge-teal{background:rgba(15,158,142,.12);color:var(--secondary)}
.badge-ink{background:rgba(20,23,28,.08);color:var(--ink)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,251,246,.94);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.scrolled{box-shadow:var(--shadow-1)}
.nav{display:flex;align-items:center;gap:22px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;font-size:17px;font-weight:800;letter-spacing:0;
}
.logo-text{font-size:19px;font-weight:700;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;padding:10px 9px;font-size:14.5px;color:var(--text);
  border-radius:10px;white-space:nowrap;transition:color var(--t);
}
.nav-links a::after{
  content:"";position:absolute;left:9px;right:9px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transition:transform var(--t);
}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--primary);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.mega-wrap{position:relative}
.mega-toggle{
  display:inline-flex;align-items:center;gap:6px;height:42px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:var(--ink);transition:border-color var(--t),color var(--t);
}
.mega-toggle:hover{border-color:var(--primary);color:var(--primary)}
.caret{font-size:11px;transition:transform var(--t)}
.mega-toggle[aria-expanded="true"] .caret{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:760px;
  background:#fff;border-radius:var(--r-md);box-shadow:0 24px 60px -22px rgba(20,23,28,.35);
  border:1px solid var(--line);padding:24px;
  display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:24px;
  opacity:0;transform:translateY(8px);pointer-events:none;visibility:hidden;
  transition:opacity 160ms var(--ease),transform 160ms var(--ease),visibility 160ms;
}
.mega-panel.open{opacity:1;transform:translateY(0);pointer-events:auto;visibility:visible}
.mega-col h4{font-size:13px;letter-spacing:.08em;color:var(--faint);font-weight:700;margin-bottom:12px}
.mega-list li+li{margin-top:6px}
.mega-list a{
  display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:12px;
  font-size:14px;color:var(--text);transition:background var(--t),color var(--t);
}
.mega-list a:hover{background:#FFF4EE;color:var(--primary-deep)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--grad-brand);flex:none}
.mega-post{display:block;padding:10px;border-radius:12px;transition:background var(--t)}
.mega-post:hover{background:#F6F1EA}
.mega-post b{display:block;font-size:14px;color:var(--ink);line-height:1.55;font-weight:600}
.mega-post span{font-size:12px;color:var(--faint)}
.mega-cta{
  grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--grad-brand);border-radius:var(--r-sm);padding:16px 20px;color:#fff;
}
.mega-cta b{display:block;font-size:15px}
.mega-cta p{font-size:13px;color:rgba(255,255,255,.9);margin-top:2px}
.mega-cta a{
  flex:none;height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:#fff;color:var(--primary-deep);font-size:14px;font-weight:700;
  display:inline-flex;align-items:center;transition:transform var(--t);
}
.mega-cta a:hover{transform:translateY(-2px)}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,23,28,.45);z-index:90;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:100;
  background:#fff;box-shadow:-20px 0 60px -20px rgba(20,23,28,.4);
  transform:translateX(102%);transition:transform 260ms var(--ease);
  overflow-y:auto;padding:20px;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);font-size:20px;line-height:1;display:grid;place-items:center}
.drawer-nav a{
  display:block;padding:13px 12px;border-radius:12px;font-size:15px;color:var(--text);
  border-bottom:1px solid var(--line);transition:background var(--t),color var(--t);
}
.drawer-nav a:hover,.drawer-nav a.active{background:#FFF4EE;color:var(--primary-deep)}
.drawer-group{margin-top:20px}
.drawer-group h4{font-size:13px;color:var(--faint);letter-spacing:.08em;margin-bottom:10px}
.drawer-group a{display:block;padding:11px 12px;border-radius:12px;font-size:14px;color:var(--muted)}
.drawer-group a:hover{background:#F6F1EA;color:var(--ink)}
.drawer-cta{margin-top:22px;display:grid;gap:10px}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:20px 0 0}
.breadcrumb a{color:var(--muted);transition:color var(--t)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--faint)}
.breadcrumb .current{color:var(--faint)}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(255,251,246,.92),rgba(255,251,246,.98)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  padding-bottom:64px;
}
.page-hero::before,.page-hero::after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;
}
.page-hero::before{width:340px;height:340px;left:-120px;top:-140px;background:radial-gradient(circle,rgba(255,90,60,.16),transparent 70%)}
.page-hero::after{width:420px;height:420px;right:-160px;bottom:-200px;background:radial-gradient(circle,rgba(15,158,142,.14),transparent 70%)}
.hero-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;
  gap:48px;align-items:center;padding-top:36px;
}
.hero-copy h1{
  font-size:clamp(28px,4.2vw,48px);line-height:1.15;font-weight:700;margin:16px 0 14px;
  max-width:18em;
}
.hero-sub{font-size:17px;color:var(--muted);max-width:26em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:0 26px 60px -28px rgba(20,23,28,.5);
  background:var(--grad-brand);
}
.hero-float{
  position:absolute;left:-18px;bottom:24px;background:#fff;border-radius:18px;
  padding:14px 18px;box-shadow:var(--shadow-1);display:flex;align-items:center;gap:12px;
}
.hero-float b{font-size:26px;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1}
.hero-float span{font-size:13px;color:var(--muted);line-height:1.4;display:block}
.hero-float .live{width:9px;height:9px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(23,166,115,.16)}

/* ---------- 标签云 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:14px;color:var(--text);
  transition:transform var(--t),border-color var(--t),color var(--t),box-shadow var(--t);
}
.tag:hover{transform:translateY(-3px);border-color:var(--primary);color:var(--primary-deep);box-shadow:var(--shadow-1)}
.tag-lg{height:48px;padding:0 24px;font-size:16px;font-weight:600}
.tag-xl{height:54px;padding:0 28px;font-size:18px;font-weight:700;background:var(--grad-brand);color:#fff;border-color:transparent}
.tag-xl:hover{color:#fff;border-color:transparent}
.tag-teal{border-color:rgba(15,158,142,.3);color:var(--secondary)}

/* ---------- 错位瀑布栅格 ---------- */
.waterfall{display:grid;grid-template-columns:repeat(3,1fr);gap:36px 28px;align-items:start}
.post{
  display:block;background:var(--card);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t);
}
.post:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.post:nth-child(3n+2){margin-top:56px}
.post:nth-child(3n+3){margin-top:26px}
.post-media{position:relative;overflow:hidden;background:var(--grad-brand)}
.post-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  transition:transform var(--t);
}
.post:hover .post-media img{transform:scale(1.04)}
.post-type{
  position:absolute;left:12px;top:12px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(20,23,28,.72);color:#fff;font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;backdrop-filter:blur(6px);
}
.post-body{padding:20px 22px 24px}
.post-meta{font-size:13px;color:var(--faint);display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums}
.post-title{font-size:19px;line-height:1.45;margin:10px 0 8px;font-weight:700}
.post-desc{font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{
  margin-top:16px;font-size:14px;font-weight:600;color:var(--secondary);
  display:inline-flex;align-items:center;gap:6px;transition:gap var(--t),color var(--t);
}
.post:hover .post-foot{gap:12px;color:var(--primary)}

/* ---------- 三步说明 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px 26px;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-1);border-color:rgba(255,90,60,.35)}
.step-num{
  font-size:34px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.step h3{font-size:19px;margin:14px 0 8px}
.step p{font-size:14.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{background:#fff;border-radius:var(--r-md);border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow-1)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{margin:0}
.faq-toggle{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  transition:background var(--t);
}
.faq-toggle:hover{background:#FFF8F3}
.faq-icon{position:relative;width:16px;height:16px;flex:none;color:var(--primary)}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:transform 220ms var(--ease),opacity 220ms var(--ease);
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 240ms var(--ease)}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden}
.faq-a p{padding:0 26px 24px;font-size:15px;color:var(--muted);max-width:60em}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  background:var(--grad-brand);border-radius:0;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;width:460px;height:460px;right:-160px;top:-220px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-inner{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:28px;padding:56px 0;color:#fff;
}
.cta-inner h2{color:#fff;font-size:clamp(24px,2.6vw,32px)}
.cta-inner p{color:rgba(255,255,255,.92);font-size:15px;margin-top:8px;max-width:32em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn-primary{background:#fff;color:var(--primary-deep);box-shadow:0 16px 34px -18px rgba(20,23,28,.6)}
.cta-actions .btn-primary:hover{background:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#EDE8E2;padding:72px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand .logo{color:#fff}
.foot-brand .logo-text{color:#fff}
.foot-brand p{font-size:14px;color:#A9A29A;margin-top:16px;max-width:30em}
.foot-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.foot-col ul li+li{margin-top:10px}
.foot-col a{font-size:14px;color:#A9A29A;transition:color var(--t)}
.foot-col a:hover{color:var(--primary)}
.foot-form{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.foot-form input{
  flex:1;min-width:150px;height:44px;border-radius:12px;border:1px solid #2C2F36;
  background:#1C2027;color:#fff;padding:0 14px;font-size:14px;transition:border-color var(--t),box-shadow var(--t);
}
.foot-form input::placeholder{color:var(--faint);font-size:14px}
.foot-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,90,60,.16)}
.foot-bottom{
  margin-top:56px;border-top:1px solid #262A31;padding:22px 0 28px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#8B8580;
}

/* ---------- 响应式 ---------- */
@media (max-width:1300px){
  .nav-links{display:none}
  .nav-burger{display:flex}
  .nav-actions{margin-left:auto}
}
@media (max-width:1024px){
  :root{--sec:72px}
  .container{padding:0 20px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media img{aspect-ratio:16/10}
  .waterfall{grid-template-columns:repeat(2,1fr)}
  .post:nth-child(3n+2),.post:nth-child(3n+3){margin-top:0}
  .post:nth-child(2n){margin-top:48px}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .mega-panel{width:min(560px,92vw);grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  :root{--sec:56px}
  .nav{height:64px}
  .logo-text{font-size:17px}
  .waterfall{grid-template-columns:1fr;gap:24px}
  .post:nth-child(2n){margin-top:0}
  .hero-float{left:12px;bottom:12px;padding:12px 14px}
  .hero-float b{font-size:22px}
  .cta-inner{padding:44px 0}
  .faq-toggle{padding:18px 20px;font-size:16px}
  .faq-a p{padding:0 20px 20px}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero-copy h1{font-size:clamp(26px,7vw,32px)}
  .hero-actions .btn{width:100%}
  .tag-xl{height:48px;padding:0 22px;font-size:16px}
  .btn{height:46px;padding:0 22px}
  .sec-head{margin-bottom:26px}
}

/* 状态与占位 */
.skeleton{
  background:linear-gradient(90deg,#F1ECE5 25%,#F8F4EF 37%,#F1ECE5 63%);
  background-size:400% 100%;animation:sk 1.4s ease infinite;border-radius:12px;
}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}
.empty-state{text-align:center;padding:56px 20px;color:var(--muted)}
.empty-state .ico{
  width:56px;height:56px;border-radius:18px;margin:0 auto 16px;display:grid;place-items:center;
  background:rgba(255,90,60,.12);color:var(--primary);font-size:24px;font-weight:700;
}