/* roulang page: index */
:root{
  --brand-50:#FFF3EC; --brand-100:#FFE1D2; --brand-300:#FFA97A;
  --brand-500:#FF6A2B; --brand-600:#F04E14; --brand-700:#C93A0C;
  --accent-50:#E6FAF5; --accent-500:#0FBFA0; --accent-700:#0A8F79;
  --violet-50:#F0EAFF; --violet-500:#7A4CF0;
  --ink-900:#1B1620; --ink-600:#6A6273; --ink-400:#9C93A6;
  --line:#F1E6DC; --page:#FFF8F3; --card:#FFFFFF; --dark:#17121F;
  --r-sm:12px; --r-md:16px; --r-lg:24px; --r-xl:28px; --r-pill:999px;
  --sh-1:0 2px 8px rgba(27,22,32,.04), 0 12px 32px rgba(255,106,43,.08);
  --sh-2:0 18px 44px rgba(240,78,20,.16);
  --sh-3:0 24px 60px rgba(23,18,31,.28);
  --grad:linear-gradient(115deg,#FF7A2B 0%,#FF3D6E 100%);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--page);color:var(--ink-900);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
h1,h2,h3,h4,p,ul,ol,li,dl,dd,dt,figure{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}
.anchor-target{scroll-margin-top:140px}
.grad-brand{background-image:var(--grad)}
.text-grad{background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.no-scrollbar{scrollbar-width:none;-ms-overflow-style:none}
.no-scrollbar::-webkit-scrollbar{display:none}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,248,243,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topbar{display:flex;align-items:center;gap:16px;height:64px}
@media(min-width:1024px){.topbar{height:72px}}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:38px;height:38px;border-radius:12px;background-image:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:16px;box-shadow:0 8px 18px rgba(240,78,20,.28)}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
@media(min-width:1024px){.logo-text{font-size:19px}}
.search-box{display:none;flex:1;max-width:400px;position:relative}
@media(min-width:768px){.search-box{display:block}}
.search-box input{width:100%;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;padding:0 44px 0 18px;font-size:14px;transition:border-color .24s ease-out, box-shadow .24s ease-out}
.search-box input::placeholder{color:var(--ink-400)}
.search-box input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(255,106,43,.15)}
.search-box svg{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--ink-400);pointer-events:none}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.top-link{display:none;font-size:14px;color:var(--ink-600);transition:color .2s ease-out}
.top-link:hover{color:var(--brand-600)}
@media(min-width:1024px){.top-link{display:inline-block}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);font-weight:600;border:1.5px solid transparent;transition:transform .24s ease-out,filter .24s ease-out,background-color .24s ease-out,border-color .24s ease-out,color .24s ease-out,box-shadow .24s ease-out;white-space:nowrap;text-align:center}
.btn-primary{background-image:var(--grad);color:#fff;padding:11px 24px;font-size:15px;box-shadow:0 10px 24px rgba(240,78,20,.28)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:#fff;border-color:var(--brand-500);color:var(--brand-600);padding:11px 24px;font-size:15px}
.btn-outline:hover{background:var(--brand-50);border-color:var(--brand-600)}
.btn-outline:active{transform:scale(.98)}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.55);color:#fff;padding:11px 24px;font-size:15px}
.btn-ghost:hover{background:rgba(255,255,255,.2);border-color:#fff}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{padding:8px 18px;font-size:14px}
.burger{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;color:var(--ink-900)}
.burger:hover{border-color:var(--brand-300);color:var(--brand-600)}
@media(min-width:1024px){.burger{display:none}}

/* 频道 Tabs */
.tabs-wrap{position:relative;border-bottom:1px solid var(--line)}
.tabs-wrap::before,.tabs-wrap::after{content:'';position:absolute;top:0;bottom:0;width:26px;pointer-events:none;z-index:2}
.tabs-wrap::before{left:0;background:linear-gradient(90deg,rgba(255,248,243,.95),rgba(255,248,243,0))}
.tabs-wrap::after{right:0;background:linear-gradient(270deg,rgba(255,248,243,.95),rgba(255,248,243,0))}
.tabs{display:flex;gap:10px;overflow-x:auto;padding:10px 16px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
@media(min-width:768px){.tabs{padding:10px 24px}}
@media(min-width:1024px){.tabs{padding:10px 32px}}
.tab{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:600;background:#fff;border:1px solid var(--line);color:var(--ink-600);transition:all .24s ease-out}
.tab:hover{border-color:var(--brand-300);color:var(--brand-600)}
.tab.is-active{background-image:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 18px rgba(240,78,20,.24)}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(23,18,31,.5);opacity:0;visibility:hidden;transition:opacity .28s ease-out,visibility .28s ease-out;z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;background:#fff;z-index:80;transform:translateX(104%);transition:transform .3s ease-out;display:flex;flex-direction:column;padding:20px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-title{font-size:16px;font-weight:800;margin-bottom:16px}
.drawer-nav{display:flex;flex-direction:column;gap:8px;margin-bottom:22px}
.drawer-nav a{padding:12px 14px;border-radius:var(--r-sm);border:1px solid var(--line);font-size:15px;font-weight:600;color:var(--ink-600);display:flex;align-items:center;justify-content:space-between}
.drawer-nav a.is-active{background-image:var(--grad);color:#fff;border-color:transparent}
.drawer-nav a:hover{border-color:var(--brand-300);color:var(--brand-600)}
.drawer-nav a.is-active:hover{color:#fff}
.drawer-close{align-self:flex-end;width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;margin-bottom:8px}

/* 卡片 */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:transform .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out}
.card:hover{transform:translateY(-4px);border-color:var(--brand-100);box-shadow:var(--sh-2)}
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;letter-spacing:.02em}
.pill-brand{background:var(--brand-50);color:var(--brand-700)}
.pill-accent{background:var(--accent-50);color:var(--accent-700)}
.pill-violet{background:var(--violet-50);color:var(--violet-500)}
.pill-soft{background:rgba(255,255,255,.14);color:#fff}
.meta{font-size:12.5px;letter-spacing:.02em;color:var(--ink-400)}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.num{font-variant-numeric:tabular-nums;font-weight:800}

/* Hero */
.hero-card{position:relative;border-radius:var(--r-xl);background-image:var(--grad);overflow:hidden;box-shadow:var(--sh-3)}
.hero-card::before{content:'';position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.32),rgba(255,255,255,0) 68%);top:-190px;right:-120px;pointer-events:none}
.hero-card::after{content:'';position:absolute;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(122,76,240,.35),rgba(122,76,240,0) 70%);bottom:-170px;left:-90px;pointer-events:none}
.hero-noise{position:absolute;inset:0;opacity:.07;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(/%23n)' opacity='.6'/%3E%3C/svg%3E")}
.hero-inner{position:relative;z-index:3;display:grid;gap:32px;padding:32px 24px}
@media(min-width:768px){.hero-inner{padding:44px 36px}}
@media(min-width:1024px){.hero-inner{grid-template-columns:1fr 1fr;gap:44px;padding:56px 52px;align-items:center}}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.32);color:#fff;font-size:13px;font-weight:600;backdrop-filter:blur(4px)}
.hero-title{color:#fff;font-size:clamp(30px,4.6vw,50px);font-weight:800;line-height:1.15;letter-spacing:-.02em;text-wrap:balance}
.hero-sub{color:rgba(255,255,255,.9);font-size:clamp(15px,1.5vw,17px);margin-top:18px;max-width:560px}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.3);box-shadow:0 24px 60px rgba(23,18,31,.35);aspect-ratio:16/10;background:rgba(255,255,255,.1)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-stats{position:absolute;left:0;right:0;bottom:0;display:flex;flex-wrap:wrap;gap:10px;padding:14px 16px;background:linear-gradient(0deg,rgba(23,18,31,.72),rgba(23,18,31,0))}
.stat-pill{display:flex;align-items:baseline;gap:5px;padding:7px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.9);color:var(--ink-900);font-size:12px;font-weight:600}
.stat-pill b{font-size:19px;font-weight:800;font-variant-numeric:tabular-nums}
.trust-row{display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;color:rgba(255,255,255,.88);font-size:13px}
.trust-row span{display:inline-flex;align-items:center;gap:7px}

/* 板块 */
.section{padding:48px 0}
@media(min-width:768px){.section{padding:80px 0}}
@media(min-width:1024px){.section{padding:112px 0}}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.sec-title{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.sec-lead{font-size:14px;color:var(--ink-600);margin-top:10px;max-width:640px}
.link-more{font-size:14px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid transparent;transition:border-color .2s ease-out}
.link-more:hover{border-color:var(--brand-500)}

/* Bento */
.bento{display:grid;gap:20px}
@media(min-width:1024px){.bento{grid-template-columns:7fr 5fr;gap:24px}}
.bento-side{display:grid;gap:20px;align-content:start}
.icon-round{width:44px;height:44px;border-radius:50%;background:var(--accent-50);color:var(--accent-700);display:flex;align-items:center;justify-content:center;flex:0 0 auto}

/* 轮播 */
.snap-row{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 22px;scrollbar-width:none}
.snap-row::-webkit-scrollbar{display:none}
.snap-row>*{scroll-snap-align:start;flex:0 0 auto}
.snap-card{width:78vw;max-width:420px}
@media(min-width:768px){.snap-card{width:360px}}
@media(min-width:1024px){.snap-card{width:420px}}
.arrow-btn{width:42px;height:42px;border-radius:50%;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-600);transition:all .24s ease-out}
.arrow-btn:hover{background-image:var(--grad);color:#fff;border-color:transparent}

/* 系统要求 */
.spec-card{border-radius:var(--r-lg);border:1px solid var(--line);background:#fff;padding:24px;box-shadow:var(--sh-1);transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out}
.spec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.spec-card.is-web{border-color:var(--accent-500);background:var(--accent-50)}
.spec-row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.spec-row:last-child{border-bottom:none}
.spec-row dt{color:var(--ink-600)}
.spec-row dd{color:var(--ink-900);font-weight:600;text-align:right}

/* CMS 列表 */
.lead-card{display:block;border-radius:var(--r-lg);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out}
.lead-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-100)}
.lead-cover{aspect-ratio:16/10;overflow:hidden;background:var(--brand-50)}
.lead-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.lead-card:hover .lead-cover img{transform:scale(1.04)}
.mini-item{display:flex;gap:14px;padding:14px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;transition:transform .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out}
.mini-item:hover{transform:translateY(-3px);border-color:var(--brand-100);box-shadow:var(--sh-1)}
.mini-thumb{width:96px;height:72px;border-radius:var(--r-sm);overflow:hidden;flex:0 0 auto;background:var(--brand-50)}
.mini-thumb img{width:100%;height:100%;object-fit:cover}
.empty-state{border:1px dashed var(--line);border-radius:var(--r-lg);background:#fff;padding:52px 24px;text-align:center}
.empty-icon{width:64px;height:64px;border-radius:50%;background:var(--brand-50);color:var(--brand-600);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}

/* 评价 */
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);transition:transform .24s ease-out,box-shadow .24s ease-out}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.avatar{width:44px;height:44px;border-radius:50%;background-image:var(--grad);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:16px;flex:0 0 auto}
.stars{color:var(--accent-500);letter-spacing:2px;font-size:14px}

/* 数据保障条 */
.assure{display:grid;gap:20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:32px 0}
@media(min-width:768px){.assure{grid-template-columns:repeat(4,1fr)}}
.assure-item{display:flex;gap:14px;align-items:flex-start}

/* FAQ */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;transition:border-color .24s ease-out,box-shadow .24s ease-out}
.faq-item[open]{border-color:var(--brand-100);box-shadow:var(--sh-1)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;font-size:16px;font-weight:600}
.faq-item summary::-webkit-details-marker{display:none}
.faq-toggle{width:30px;height:30px;border-radius:50%;background:var(--brand-50);color:var(--brand-600);display:flex;align-items:center;justify-content:center;flex:0 0 auto;transition:transform .24s ease-out}
.faq-item[open] .faq-toggle{transform:rotate(45deg)}
.faq-body{padding:0 22px 22px;color:var(--ink-600);font-size:15px;line-height:1.8}

/* CTA 尾屏 */
.cta-card{position:relative;border-radius:var(--r-xl);background-color:var(--dark);overflow:hidden;padding:36px 24px}
@media(min-width:768px){.cta-card{padding:56px 44px}}
.cta-card::before{content:'';position:absolute;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,43,.42),rgba(255,106,43,0) 68%);top:-200px;right:-140px}
.cta-inner{position:relative;z-index:2;display:grid;gap:32px}
@media(min-width:1024px){.cta-inner{grid-template-columns:1fr auto;align-items:center}}
.qr-box{width:170px;padding:14px;border-radius:var(--r-md);background:#fff;text-align:center}
.qr-box img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:10px}
.qr-box span{display:block;font-size:12px;color:var(--ink-600);margin-top:8px}

/* 页脚 */
.site-footer{background:var(--dark);color:#fff;padding:56px 0 24px;margin-top:0}
.footer-grid{display:grid;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:repeat(5,1fr) auto;gap:28px}}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col a,.footer-col p{display:block;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:9px;transition:color .2s ease-out}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--brand-500);text-underline-offset:4px}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55)}

@media(min-width:640px){
  .spec-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:1024px){
  .spec-grid{grid-template-columns:repeat(3,1fr)}
  .review-grid{grid-template-columns:repeat(3,1fr)}
  .latest-grid{grid-template-columns:7fr 5fr;gap:24px}
}

/* roulang page: article */
:root{
  --brand-50:#FFF3EC;--brand-100:#FFE1D2;--brand-300:#FFA97A;--brand-500:#FF6A2B;--brand-600:#F04E14;--brand-700:#C93A0C;
  --accent-50:#E6FAF5;--accent-500:#0FBFA0;--accent-700:#0A8F79;
  --violet-50:#F0EAFF;--violet-500:#7A4CF0;
  --ink-900:#1B1620;--ink-600:#6A6273;--ink-400:#9C93A6;
  --bg:#FFF8F3;--card:#FFFFFF;--dark:#17121F;--line:#F1E6DC;
  --r-12:12px;--r-16:16px;--r-20:20px;--r-24:24px;--r-28:28px;--r-pill:999px;
  --shadow-1:0 2px 8px rgba(27,22,32,.04),0 12px 32px rgba(255,106,43,.08);
  --shadow-2:0 18px 44px rgba(240,78,20,.16);
  --grad:linear-gradient(115deg,#FF7A2B 0%,#FF3D6E 100%);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.site-body{margin:0;background:var(--bg);color:var(--ink-900);font-family:var(--font-cn);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p{margin:0}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
.no-scrollbar{-ms-overflow-style:none;scrollbar-width:none}
.no-scrollbar::-webkit-scrollbar{display:none}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,248,243,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topbar{display:flex;align-items:center;gap:14px;min-height:64px}
@media(min-width:1024px){.topbar{min-height:72px;gap:24px}}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px;border-radius:10px;background:var(--grad);color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(240,78,20,.28)}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
@media(max-width:520px){.logo-text{font-size:15px}.logo-mark{width:32px;height:32px;font-size:16px}}
.search-box{display:none;position:relative;align-items:center;flex:1;max-width:420px}
@media(min-width:768px){.search-box{display:flex}}
.search-box input{width:100%;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;padding:0 44px 0 18px;font-size:14px;outline:none;transition:border-color .2s,box-shadow .2s}
.search-box input::placeholder{color:var(--ink-400)}
.search-box input:focus{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(255,106,43,.15)}
.search-box svg{position:absolute;right:16px;color:var(--ink-400);pointer-events:none}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.top-link{display:none;font-size:14px;color:var(--ink-600);padding:6px 4px;transition:color .2s}
@media(min-width:1024px){.top-link{display:inline-flex}}
.top-link:hover{color:var(--brand-600)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .24s ease-out,box-shadow .24s ease-out,filter .24s ease-out,border-color .24s,background .24s,color .24s}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(240,78,20,.24)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 14px 30px rgba(240,78,20,.3)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:#fff;border-color:var(--brand-500);color:var(--brand-600)}
.btn-outline:hover{background:var(--brand-50);border-color:var(--brand-600)}
.btn-outline:active{transform:scale(.98)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.9)}
.burger{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--r-12);border:1px solid var(--line);background:#fff;color:var(--ink-900);transition:border-color .2s,background .2s}
.burger:hover{border-color:var(--brand-300);background:var(--brand-50)}
@media(min-width:1024px){.burger{display:none}}
.tabs-wrap{position:relative;border-top:1px solid var(--line)}
.tabs-wrap::after{content:"";position:absolute;top:0;right:0;bottom:0;width:24px;background:linear-gradient(to right,rgba(255,248,243,0),rgba(255,248,243,.96));pointer-events:none}
.tabs{display:flex;gap:10px;overflow-x:auto;padding:10px 16px;scroll-snap-type:x proximity}
@media(min-width:768px){.tabs{padding:12px 24px}}
@media(min-width:1024px){.tabs{padding:12px 32px;gap:12px}}
.tab{flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;color:var(--ink-600);font-size:14px;font-weight:600;scroll-snap-align:start;transition:border-color .24s,color .24s,background .24s,box-shadow .24s}
.tab:hover{border-color:var(--brand-300);color:var(--brand-600)}
.tab.is-active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 20px rgba(240,78,20,.22)}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(23,18,31,.45);opacity:0;pointer-events:none;transition:opacity .3s ease-out;z-index:80}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;background:#fff;z-index:90;padding:20px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;transform:translateX(100%);transition:transform .3s ease-out;box-shadow:-18px 0 48px rgba(27,22,32,.16)}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:36px;height:36px;border-radius:var(--r-12);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-600)}
.drawer-close:hover{border-color:var(--brand-300);color:var(--brand-600);background:var(--brand-50)}
.drawer-nav a{display:block;padding:12px 14px;border-radius:var(--r-12);font-size:15px;font-weight:600;color:var(--ink-600);transition:background .2s,color .2s}
.drawer-nav a:hover{background:var(--brand-50);color:var(--brand-700)}
.drawer-cta{display:flex;flex-direction:column;gap:10px;margin-top:auto}

/* ---------- page ---------- */
.page-main{padding:22px 0 64px}
@media(min-width:1024px){.page-main{padding:30px 0 88px}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);margin-bottom:20px}
.breadcrumb a{transition:color .2s}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:#D9CEC4}
.breadcrumb .current{color:var(--ink-600);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pill{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600}
.pill-brand{background:var(--brand-50);color:var(--brand-700)}
.pill-accent{background:var(--accent-50);color:var(--accent-700)}
.pill-violet{background:var(--violet-50);color:var(--violet-500)}
.article-head{max-width:880px}
.article-title{font-size:clamp(27px,4vw,42px);font-weight:800;line-height:1.22;letter-spacing:-.02em;margin:16px 0 14px;text-wrap:balance}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-400);letter-spacing:.02em}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#D9CEC4}
.article-layout{display:grid;grid-template-columns:1fr;gap:28px;margin-top:26px}
@media(min-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:40px;margin-top:32px}}
.article-main{min-width:0}
.article-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-24);box-shadow:var(--shadow-1);padding:22px}
@media(min-width:768px){.article-card{padding:34px 36px}}
.article-summary{background:var(--brand-50);border:1px solid var(--brand-100);border-radius:var(--r-16);padding:16px 18px;margin-bottom:26px}
.summary-label{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--brand-700);margin-bottom:8px}
.article-summary p{font-size:14px;line-height:1.85;color:var(--ink-600)}

/* ---------- article body ---------- */
.article-body{font-size:16px;line-height:1.85;color:var(--ink-900);word-break:break-word}
.article-body>*+*{margin-top:1.2em}
.article-body h2{font-size:clamp(20px,2.3vw,25px);font-weight:700;line-height:1.35;letter-spacing:-.01em;margin:32px 0 12px;padding-left:15px;position:relative;scroll-margin-top:120px}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:var(--r-pill);background:var(--grad)}
.article-body h3{font-size:19px;font-weight:600;line-height:1.45;margin:24px 0 10px;scroll-margin-top:120px}
.article-body p{font-size:16px;line-height:1.85}
.article-body ul,.article-body ol{padding-left:22px;margin:14px 0}
.article-body li{margin:8px 0;line-height:1.8}
.article-body ul{list-style:none;padding-left:20px}
.article-body ul>li{position:relative}
.article-body ul>li::before{content:"";position:absolute;left:-16px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--brand-300)}
.article-body ol{list-style:decimal}
.article-body ol>li::marker{color:var(--brand-600);font-weight:700}
.article-body blockquote{margin:20px 0;padding:14px 18px;background:var(--accent-50);border-left:4px solid var(--accent-500);border-radius:var(--r-12);color:var(--ink-600);font-size:15px;line-height:1.8}
.article-body img{width:100%;border-radius:var(--r-16);margin:20px 0 8px}
.article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:4px;transition:color .2s}
.article-body a:hover{color:var(--brand-700)}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;border:1px solid var(--line);border-radius:var(--r-16);margin:20px 0;font-size:14px}
.article-body thead{background:var(--brand-50)}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{font-weight:700;color:var(--brand-700)}
.article-body tr:last-child td{border-bottom:0}
.article-body code{background:#F6F1EB;border-radius:8px;padding:2px 7px;font-size:14px}
.empty-state{text-align:center;padding:40px 16px 12px}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--ink-600);font-size:15px;margin-bottom:22px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-600);transition:border-color .2s,color .2s,background .2s}
.tag:hover{border-color:var(--brand-300);color:var(--brand-600);background:var(--brand-50)}

/* ---------- sidebar ---------- */
.side{display:none}
@media(min-width:1024px){.side{display:block}}
.side-inner{position:sticky;top:120px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-20);padding:18px;box-shadow:var(--shadow-1)}
.side-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;margin-bottom:12px}
.side-title svg{color:var(--brand-500)}
.toc{display:flex;flex-direction:column;gap:2px;max-height:300px;overflow-y:auto;padding-right:4px}
.toc a{font-size:13px;line-height:1.5;color:var(--ink-600);padding:7px 10px;border-radius:var(--r-12);border-left:3px solid transparent;transition:background .2s,color .2s,border-color .2s}
.toc a:hover{background:var(--brand-50);color:var(--brand-700)}
.toc a.is-current{background:var(--brand-50);color:var(--brand-700);border-left-color:var(--brand-500);font-weight:600}
.hot-item{display:flex;gap:10px;align-items:center;padding:9px 0;border-bottom:1px solid var(--line);transition:transform .2s}
.hot-item:last-child{border-bottom:0;padding-bottom:0}
.hot-item:hover{transform:translateX(3px)}
.hot-thumb{width:56px;height:42px;border-radius:var(--r-12);object-fit:cover;flex-shrink:0}
.hot-name{font-size:13px;font-weight:600;line-height:1.45}
.hot-sub{font-size:12px;color:var(--ink-400);margin-top:2px}
.qr-box{background:#fff;border-radius:var(--r-16);padding:10px;display:flex;flex-direction:column;align-items:center;gap:6px}
.qr-box img{border-radius:8px;width:100%;height:auto}
.qr-box span{font-size:12px;color:var(--ink-400)}

/* ---------- sections ---------- */
.section{margin-top:46px}
@media(min-width:1024px){.section{margin-top:64px}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}
.section-head h2{font-size:clamp(20px,2.4vw,28px);font-weight:700;letter-spacing:-.01em;line-height:1.3}
.section-head p{margin-top:6px;font-size:14px;color:var(--ink-600)}
.link-more{font-size:14px;font-weight:600;color:var(--brand-600);white-space:nowrap;transition:color .2s,transform .2s;display:inline-flex;align-items:center;gap:4px}
.link-more:hover{color:var(--brand-700);transform:translateX(2px)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-20);box-shadow:var(--shadow-1);transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s}
.card:hover{transform:translateY(-4px);border-color:var(--brand-100);box-shadow:var(--shadow-2)}
.grid-two{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:768px){.grid-two{grid-template-columns:repeat(2,1fr);gap:20px}}
.link-card{display:block;padding:22px}
.link-card h3{font-size:17px;font-weight:600;line-height:1.45;margin:12px 0 8px}
.link-card p{font-size:14px;line-height:1.75;color:var(--ink-600)}
.link-card .arrow{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:600;color:var(--brand-600)}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:1024px){.related-grid{grid-template-columns:1.25fr 1fr}}
.stack{display:grid;gap:20px}
.media-card{overflow:hidden;display:block}
.media-card .thumb{width:100%;aspect-ratio:16/10;object-fit:cover}
.media-card .body{padding:20px}
.media-card h3{font-size:18px;font-weight:600;line-height:1.45;margin:12px 0 8px}
.media-card p{font-size:14px;line-height:1.75;color:var(--ink-600)}
.mini-card{display:flex;gap:14px;padding:16px;align-items:center}
.mini-card img{width:96px;height:72px;border-radius:var(--r-12);object-fit:cover;flex-shrink:0}
.mini-card h3{font-size:15px;font-weight:600;line-height:1.45}
.mini-card .meta{font-size:12px;color:var(--ink-400);margin-top:6px}
@media(max-width:520px){.mini-card img{width:78px;height:62px}}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-28);background:var(--grad);color:#fff;padding:30px 22px;box-shadow:0 24px 60px rgba(240,78,20,.28)}
@media(min-width:768px){.cta-band{padding:42px 44px}}
.cta-band::after{content:"";position:absolute;width:340px;height:340px;border-radius:50%;background:rgba(255,255,255,.18);right:-90px;top:-140px;filter:blur(6px);pointer-events:none}
.cta-band::before{content:"";position:absolute;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.1);left:-70px;bottom:-120px;pointer-events:none}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:24px;align-items:center}
@media(min-width:1024px){.cta-inner{grid-template-columns:1fr 200px}}
.cta-band h2{font-size:clamp(21px,2.6vw,30px);font-weight:800;line-height:1.3}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.9);max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.cta-qr{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);border-radius:var(--r-20);padding:12px;text-align:center;backdrop-filter:blur(6px)}
.cta-qr img{border-radius:var(--r-12);width:100%;margin-bottom:8px}
.cta-qr span{font-size:12px;color:rgba(255,255,255,.85)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-16);overflow:hidden;transition:border-color .24s,box-shadow .24s}
.faq-item:hover{border-color:var(--brand-100);box-shadow:var(--shadow-1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;font-size:15px;font-weight:600;line-height:1.55;text-align:left;color:var(--ink-900)}
.faq-icon{flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-600);transition:transform .28s ease-out,background .24s,color .24s,border-color .24s}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--grad);color:#fff;border-color:transparent}
.faq-a{display:none;padding:0 18px 18px;font-size:15px;line-height:1.85;color:var(--ink-600)}
.faq-item.is-open .faq-a{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#fff;margin-top:64px;padding:46px 0 24px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:26px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:repeat(5,1fr) 1.2fr;gap:24px}}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:12px}
.footer-col p{font-size:14px;color:rgba(255,255,255,.7);margin-bottom:8px;line-height:1.7}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.7);padding:5px 0;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.footer-col a:hover{color:#fff;border-bottom-color:var(--brand-500)}
.footer-bottom{margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);line-height:1.7}

/* roulang page: category1 */
:root{
    --brand-50:#FFF3EC;
    --brand-100:#FFE1D2;
    --brand-300:#FFA97A;
    --brand-500:#FF6A2B;
    --brand-600:#F04E14;
    --brand-700:#C93A0C;
    --accent-50:#E6FAF5;
    --accent-500:#0FBFA0;
    --accent-700:#0A8F79;
    --violet-50:#F0EAFF;
    --violet-500:#7A4CF0;
    --bg:#FFF8F3;
    --card:#FFFFFF;
    --dark:#17121F;
    --ink-900:#1B1620;
    --ink-600:#6A6273;
    --ink-400:#9C93A6;
    --line:#F1E6DC;
    --r-sm:12px;
    --r-md:16px;
    --r-lg:24px;
    --r-xl:28px;
    --r-pill:999px;
    --shadow-1:0 2px 8px rgba(27,22,32,.04), 0 12px 32px rgba(255,106,43,.08);
    --shadow-2:0 18px 44px rgba(240,78,20,.16);
    --grad:linear-gradient(115deg,#FF7A2B 0%,#FF3D6E 100%);
    --head-h:112px;
  }

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

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

  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
    background:var(--bg);
    color:var(--ink-900);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }

  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block;height:auto}
  button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
  input{font:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  h1,h2,h3,h4{letter-spacing:-.01em;text-wrap:balance}

  :focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:8px}

  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 16px}
  @media (min-width:768px){.container{padding:0 24px}}
  @media (min-width:1280px){.container{padding:0 32px}}

  section[id],div[id]{scroll-margin-top:130px}

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,248,243,.88);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }

  .topbar{display:flex;align-items:center;gap:16px;height:64px}
  @media (min-width:1024px){.topbar{height:72px}}

  .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;transition:opacity .2s}
  .logo:hover{opacity:.86}
  .logo-mark{
    width:34px;height:34px;flex:0 0 auto;border-radius:10px;
    background:var(--grad);color:#fff;font-size:17px;font-weight:800;
    display:grid;place-items:center;
    box-shadow:0 6px 16px rgba(240,78,20,.28);
  }
  .logo-text{font-size:16px;font-weight:800;white-space:nowrap;letter-spacing:-.015em}
  @media (max-width:420px){.logo-text{font-size:14px}}

  .search-box{
    display:none;flex:1 1 auto;max-width:420px;margin:0 auto;
    align-items:center;gap:8px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
    padding:0 16px;height:44px;color:var(--ink-400);
    transition:border-color .2s, box-shadow .2s;
  }
  @media (min-width:900px){.search-box{display:flex}}
  .search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(255,106,43,.15)}
  .search-box input{flex:1;border:0;outline:0;background:transparent;font-size:14px;color:var(--ink-900);height:100%}
  .search-box input::placeholder{color:var(--ink-400)}
  .search-box svg{flex:0 0 auto;color:var(--ink-400)}

  .top-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
  .top-link{display:none;font-size:14px;color:var(--ink-600);font-weight:600;padding:6px 4px;transition:color .2s}
  .top-link:hover{color:var(--brand-600)}
  @media (min-width:1024px){.top-link{display:inline-block}}

  .burger{
    width:42px;height:42px;display:grid;place-items:center;
    border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;color:var(--ink-900);
    transition:border-color .2s,color .2s;
  }
  .burger:hover{border-color:var(--brand-300);color:var(--brand-600)}
  @media (min-width:1024px){.burger{display:none}}

  /* 第二层 Tabs */
  .tabs-wrap{
    position:relative;
    border-top:1px solid var(--line);
    background:rgba(255,248,243,.72);
  }
  .tabs{
    display:flex;gap:10px;align-items:center;
    max-width:1240px;margin:0 auto;
    padding:10px 16px;
    overflow-x:auto;
    scrollbar-width:none;
    -ms-overflow-style:none;
  }
  .tabs::-webkit-scrollbar{display:none}
  @media (min-width:768px){.tabs{padding:10px 24px}}
  @media (min-width:1280px){.tabs{padding:10px 32px}}
  @media (max-width:1023px){
    .tabs{
      -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 22px,#000 calc(100% - 22px),transparent 100%);
      mask-image:linear-gradient(90deg,transparent 0,#000 22px,#000 calc(100% - 22px),transparent 100%);
    }
  }
  .tab{
    flex:0 0 auto;
    padding:8px 18px;border-radius:var(--r-pill);
    border:1px solid var(--line);background:#fff;
    color:var(--ink-600);font-size:14px;font-weight:600;
    transition:all .24s ease-out;
  }
  .tab:hover{border-color:var(--brand-300);color:var(--brand-600)}
  .tab.is-active{
    background:var(--grad);border-color:transparent;color:#fff;
    box-shadow:0 8px 20px rgba(240,78,20,.24);
  }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-pill);
    border:1.5px solid transparent;
    padding:12px 26px;font-size:15px;font-weight:700;
    transition:transform .2s ease-out, filter .2s ease-out, background-color .2s ease-out, border-color .2s ease-out;
  }
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(240,78,20,.28)}
  .btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
  .btn-primary:active{transform:scale(.98)}
  .btn-outline{background:#fff;color:var(--brand-600);border-color:var(--brand-500)}
  .btn-outline:hover{background:var(--brand-50);transform:translateY(-1px)}
  .btn-outline:active{transform:scale(.98)}
  .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
  .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.85)}
  .btn-ghost:active{transform:scale(.98)}
  .btn-sm{padding:9px 18px;font-size:14px}

  /* ============ Hero ============ */
  .page-hero{
    position:relative;overflow:hidden;
    margin-top:24px;
    border-radius:var(--r-xl);
    background:var(--grad);
    color:#fff;
    padding:34px 22px 30px;
    box-shadow:0 24px 60px rgba(240,78,20,.22);
  }
  @media (min-width:768px){.page-hero{padding:48px 44px 44px}}
  @media (min-width:1280px){.page-hero{padding:56px 56px 50px}}

  .blob{position:absolute;border-radius:50%;filter:blur(6px);pointer-events:none}
  .blob-a{width:300px;height:300px;right:-90px;top:-110px;background:rgba(255,255,255,.20)}
  .blob-b{width:240px;height:240px;left:-80px;bottom:-120px;background:rgba(122,76,240,.28)}

  .hero-grid{position:relative;z-index:2;display:grid;gap:28px;align-items:center}
  @media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:40px}}

  .hero-tag{
    display:inline-block;padding:6px 14px;border-radius:var(--r-pill);
    background:rgba(255,255,255,.18);
    box-shadow:inset 0 0 0 1px rgba(255,255,255,.32);
    font-size:13px;font-weight:600;letter-spacing:.02em;
  }

  .page-hero h1{
    margin-top:16px;
    font-size:clamp(28px,4.6vw,48px);
    font-weight:800;line-height:1.16;letter-spacing:-.02em;
  }
  .h1-mark{
    display:inline-block;padding:0 10px;border-radius:14px;
    background:rgba(255,255,255,.22);
    box-shadow:inset 0 0 0 1px rgba(255,255,255,.34);
  }
  .hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.92);max-width:560px}

  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .hero-actions .btn{padding:12px 24px}

  .hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:24px}
  .hero-points li{
    position:relative;padding-left:20px;font-size:14px;color:rgba(255,255,255,.9);
  }
  .hero-points li::before{
    content:"";position:absolute;left:0;top:8px;
    width:8px;height:8px;border-radius:50%;background:#fff;
    box-shadow:0 0 0 3px rgba(255,255,255,.28);
  }

  .hero-media{position:relative}
  .hero-media img{
    width:100%;aspect-ratio:16/11;object-fit:cover;
    border-radius:var(--r-lg);
    box-shadow:0 22px 50px rgba(23,18,31,.28);
    background:linear-gradient(115deg,#FF7A2B,#FF3D6E);
  }
  .hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
  .badge-ghost{
    display:inline-flex;align-items:center;gap:6px;
    padding:7px 14px;border-radius:var(--r-pill);
    background:rgba(255,255,255,.18);
    box-shadow:inset 0 0 0 1px rgba(255,255,255,.3);
    font-size:13px;font-weight:600;
  }

  /* ============ 筛选 pill ============ */
  .filter-bar{padding:26px 0 6px}
  .filter-pills{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
  .filter-pills::-webkit-scrollbar{display:none}
  .filter-pill{
    flex:0 0 auto;padding:8px 18px;border-radius:var(--r-pill);
    background:#fff;border:1px solid var(--line);
    color:var(--ink-600);font-size:14px;font-weight:600;
    transition:all .24s ease-out;
  }
  .filter-pill:hover{border-color:var(--brand-300);color:var(--brand-600)}
  .filter-pill.is-on{background:var(--brand-50);border-color:var(--brand-100);color:var(--brand-700)}

  /* ============ 主体布局 ============ */
  .main-grid{display:grid;gap:28px;padding-top:22px;padding-bottom:20px}
  @media (min-width:1024px){.main-grid{grid-template-columns:216px minmax(0,1fr);gap:36px}}

  .side-nav{display:none}
  @media (min-width:1024px){
    .side-nav{
      display:block;position:sticky;top:132px;align-self:start;
      background:#fff;border:1px solid var(--line);border-radius:20px;
      padding:14px;box-shadow:var(--shadow-1);
    }
  }
  .side-nav h2{
    font-size:13px;font-weight:700;color:var(--ink-400);
    letter-spacing:.04em;padding:4px 12px 10px;
  }
  .side-nav a{
    display:block;padding:9px 12px;border-radius:var(--r-sm);
    font-size:14px;color:var(--ink-600);
    border-left:3px solid transparent;
    transition:all .2s ease-out;
  }
  .side-nav a:hover{background:var(--brand-50);color:var(--brand-700)}
  .side-nav a.is-on{
    border-left-color:var(--brand-500);
    background:var(--brand-50);color:var(--brand-700);font-weight:700;
  }

  /* ============ 板块通用 ============ */
  .block{padding-top:52px}
  .block:first-child{padding-top:6px}
  .block-head{margin-bottom:24px}
  .block-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.28}
  .block-head p{margin-top:10px;font-size:14.5px;color:var(--ink-600);max-width:720px}

  /* ============ 场景卡片网格 ============ */
  .card-grid{display:grid;gap:20px}
  @media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

  .card{
    display:flex;flex-direction:column;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow-1);
    overflow:hidden;
    transition:transform .24s ease-out, box-shadow .24s ease-out, border-color .24s ease-out;
  }
  .card:hover{transform:translateY(-4px);border-color:var(--brand-100);box-shadow:var(--shadow-2)}
  .card:hover .card-arrow{color:var(--brand-600);transform:translateX(4px)}

  .card-media{position:relative;overflow:hidden;background:linear-gradient(115deg,#FF7A2B,#FF3D6E)}
  .card-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}

  .pill{
    display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
    font-size:12.5px;font-weight:700;letter-spacing:.02em;
  }
  .pill-brand{background:var(--brand-50);color:var(--brand-700)}
  .pill-accent{background:var(--accent-50);color:var(--accent-700)}
  .pill-violet{background:var(--violet-50);color:var(--violet-500)}

  .card h3{font-size:17.5px;font-weight:600;line-height:1.4}
  .card p{font-size:14.5px;color:var(--ink-600);line-height:1.8}
  .card-foot{
    margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    font-size:13px;color:var(--ink-400);
  }
  .card-arrow{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--brand-500);transition:transform .22s ease-out,color .22s ease-out}

  /* ============ Bento 能力区 ============ */
  .bento{display:grid;gap:20px}
  @media (min-width:1024px){.bento{grid-template-columns:repeat(12,minmax(0,1fr))}}

  .bento-main{
    grid-column:span 12;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
    box-shadow:var(--shadow-1);overflow:hidden;
    display:flex;flex-direction:column;
    transition:transform .24s ease-out, box-shadow .24s ease-out;
  }
  @media (min-width:1024px){.bento-main{grid-column:span 7}}
  .bento-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
  .bento-main img{width:100%;aspect-ratio:16/9;object-fit:cover;background:linear-gradient(115deg,#FF7A2B,#FF3D6E)}
  .bento-main .bento-body{padding:22px 24px 24px}
  .bento-main h3{font-size:20px;font-weight:700}
  .bento-main p{margin-top:10px;font-size:14.5px;color:var(--ink-600);line-height:1.85}

  .bento-side{grid-column:span 12;display:grid;gap:20px}
  @media (min-width:1024px){.bento-side{grid-column:span 5;align-content:start}}

  .bento-mini{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow-1);padding:22px;
    transition:transform .24s ease-out, box-shadow .24s ease-out, border-color .24s ease-out;
  }
  .bento-mini:hover{transform:translateY(-4px);border-color:var(--brand-100);box-shadow:var(--shadow-2)}
  .icon-dot{
    width:44px;height:44px;border-radius:50%;
    display:grid;place-items:center;
    background:var(--accent-50);color:var(--accent-700);
  }
  .icon-dot.is-violet{background:var(--violet-50);color:var(--violet-500)}
  .bento-mini h3{margin-top:14px;font-size:17px;font-weight:600}
  .bento-mini p{margin-top:8px;font-size:14.5px;color:var(--ink-600);line-height:1.8}

  /* ============ 流程时间轴 ============ */
  .timeline{position:relative;display:grid;gap:22px}
  .step{display:grid;grid-template-columns:44px minmax(0,1fr);gap:18px;align-items:start;position:relative}
  .step::before{
    content:"";position:absolute;left:21px;top:52px;bottom:-22px;width:2px;background:var(--line);
  }
  .step:last-child::before{display:none}
  .step-num{
    width:44px;height:44px;border-radius:50%;
    background:var(--grad);color:#fff;
    display:grid;place-items:center;
    font-weight:800;font-size:17px;
    font-variant-numeric:tabular-nums;
    box-shadow:0 10px 22px rgba(240,78,20,.24);
    position:relative;z-index:2;
  }
  .step-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:18px 20px;box-shadow:var(--shadow-1);
    transition:transform .24s ease-out, box-shadow .24s ease-out, border-color .24s ease-out;
  }
  .step-card:hover{transform:translateY(-3px);border-color:var(--brand-100);box-shadow:var(--shadow-2)}
  .step-card h3{font-size:17px;font-weight:700}
  .step-card p{margin-top:8px;font-size:14.5px;color:var(--ink-600);line-height:1.85}

  /* ============ 配置对照 ============ */
  .spec-grid{display:grid;gap:20px}
  @media (min-width:768px){.spec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  .spec-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:22px;box-shadow:var(--shadow-1);
    transition:transform .24s ease-out, box-shadow .24s ease-out, border-color .24s ease-out;
  }
  .spec-card:hover{transform:translateY(-4px);border-color:var(--brand-100);box-shadow:var(--shadow-2)}
  .spec-card.is-accent{border-color:rgba(15,191,160,.45);background:linear-gradient(180deg,var(--accent-50),#fff 60%)}
  .spec-head{display:flex;align-items:center;gap:12px}
  .spec-head h3{font-size:17.5px;font-weight:700}
  .spec-icon{
    width:42px;height:42px;border-radius:12px;
    display:grid;place-items:center;
    background:var(--brand-50);color:var(--brand-700);
  }
  .spec-card.is-accent .spec-icon{background:#fff;color:var(--accent-700);box-shadow:inset 0 0 0 1px rgba(15,191,160,.35)}
  .spec-list{margin-top:16px}
  .spec-row{
    display:flex;gap:14px;padding:12px 0;
    border-top:1px solid var(--line);
    font-size:14.5px;
  }
  .spec-row dt{flex:0 0 76px;color:var(--ink-400);font-weight:600}
  .spec-row dd{margin:0;color:var(--ink-600);line-height:1.75}
  .spec-note{margin-top:14px;font-size:13px;color:var(--ink-400)}

  .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
  .tag{
    padding:7px 15px;border-radius:var(--r-pill);
    background:#fff;border:1px solid var(--line);
    font-size:13.5px;color:var(--ink-600);font-weight:600;
  }

  /* ============ FAQ ============ */
  .faq-wrap{max-width:860px}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    margin-bottom:12px;overflow:hidden;
    transition:border-color .24s ease-out, box-shadow .24s ease-out;
  }
  .faq-item:hover{border-color:var(--brand-100)}
  .faq-item[open]{border-color:var(--brand-100);box-shadow:var(--shadow-1)}
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 20px;font-size:16px;font-weight:600;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-sign{
    flex:0 0 auto;width:30px;height:30px;border-radius:50%;
    display:grid;place-items:center;
    background:var(--brand-50);color:var(--brand-600);
    transition:transform .24s ease-out;
  }
  .faq-item[open] .faq-sign{transform:rotate(45deg)}
  .faq-item p{padding:0 20px 20px;font-size:14.5px;color:var(--ink-600);line-height:1.85}

  /* ============ 底部 CTA ============ */
  .cta-band{
    position:relative;overflow:hidden;
    margin-top:56px;
    border-radius:var(--r-xl);
    background:var(--dark);
    color:#fff;
    padding:34px 22px;
    display:grid;gap:26px;align-items:center;
  }
  @media (min-width:768px){.cta-band{padding:44px 40px}}
  @media (min-width:1024px){.cta-band{grid-template-columns:1.5fr .8fr;gap:36px;padding:48px 56px}}
  .cta-band::before{
    content:"";position:absolute;width:360px;height:360px;border-radius:50%;
    right:-120px;top:-140px;background:radial-gradient(circle,rgba(255,106,43,.45),transparent 68%);
    pointer-events:none;
  }
  .cta-band h2{position:relative;font-size:clamp(22px,2.8vw,32px);font-weight:800;line-height:1.28}
  .cta-band p{position:relative;margin-top:12px;font-size:15px;color:rgba(255,255,255,.75);max-width:560px;line-height:1.85}
  .cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

  .qr-box{
    background:#fff;border-radius:var(--r-md);padding:12px;text-align:center;
    box-shadow:0 16px 40px rgba(0,0,0,.28);
    width:100%;max-width:190px;margin:0 auto;
  }
  .qr-box img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:10px;background:linear-gradient(115deg,#FF7A2B,#FF3D6E)}
  .qr-box span{display:block;margin-top:10px;font-size:12.5px;color:var(--ink-600)}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--dark);color:#fff;margin-top:64px;padding:56px 0 24px}
  .footer-grid{display:grid;gap:28px;grid-template-columns:repeat(2,minmax(0,1fr))}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.25fr 1fr 1fr 1fr 1fr 1.15fr;gap:24px}}
  .footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:12px}
  .footer-col p{font-size:13px;color:rgba(255,255,255,.62);line-height:1.8;margin-bottom:6px}
  .footer-col a{
    display:block;font-size:14px;color:rgba(255,255,255,.7);
    padding:5px 0;border-bottom:1px solid transparent;
    transition:color .2s ease-out, border-color .2s ease-out;
  }
  .footer-col a:hover{color:#fff;border-bottom-color:var(--brand-500)}
  .footer-bottom{
    margin-top:36px;padding-top:18px;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:12.5px;color:rgba(255,255,255,.55);line-height:1.8;
  }

  /* ============ 移动端抽屉 ============ */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(23,18,31,.45);
    opacity:0;visibility:hidden;transition:opacity .28s ease-out, visibility .28s;
    z-index:80;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;
    width:84vw;max-width:360px;
    background:var(--bg);
    padding:20px;
    overflow-y:auto;
    transform:translateX(102%);
    transition:transform .28s ease-out;
    z-index:90;
    box-shadow:-20px 0 60px rgba(23,18,31,.2);
  }
  .drawer.is-open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
  .drawer-close{
    width:38px;height:38px;border-radius:var(--r-sm);
    border:1px solid var(--line);background:#fff;
    display:grid;place-items:center;color:var(--ink-900);
    transition:border-color .2s,color .2s;
  }
  .drawer-close:hover{border-color:var(--brand-300);color:var(--brand-600)}
  .drawer-nav a{
    display:block;padding:13px 14px;border-radius:var(--r-sm);
    font-size:15px;font-weight:600;color:var(--ink-600);
    border:1px solid transparent;
    transition:all .2s ease-out;
  }
  .drawer-nav a:hover{background:#fff;border-color:var(--line);color:var(--brand-600)}
  .drawer-nav a.is-active{background:var(--grad);color:#fff;font-weight:700}
  .drawer-search{
    display:flex;align-items:center;gap:8px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
    padding:0 16px;height:44px;margin-bottom:18px;color:var(--ink-400);
  }
  .drawer-search input{flex:1;border:0;outline:0;background:transparent;font-size:14px;height:100%;color:var(--ink-900)}
  .drawer-actions{margin-top:22px;display:grid;gap:10px}
  .drawer-actions .btn{width:100%}
  .drawer-foot{margin-top:24px;font-size:12.5px;color:var(--ink-400);line-height:1.8}

/* roulang page: category2 */
:root{
  --brand-50:#FFF3EC;--brand-100:#FFE1D2;--brand-300:#FFA97A;
  --brand-500:#FF6A2B;--brand-600:#F04E14;--brand-700:#C93A0C;
  --accent-50:#E6FAF5;--accent-500:#0FBFA0;--accent-700:#0A8F79;
  --violet-50:#F0EAFF;--violet-500:#7A4CF0;
  --bg:#FFF8F3;--card:#FFFFFF;--dark:#17121F;
  --ink-900:#1B1620;--ink-600:#6A6273;--ink-400:#9C93A6;--line:#F1E6DC;
  --grad:linear-gradient(115deg,#FF7A2B 0%,#FF3D6E 100%);
  --r12:12px;--r16:16px;--r24:24px;--r28:28px;--rfull:999px;
  --sh1:0 2px 8px rgba(27,22,32,.04),0 12px 32px rgba(255,106,43,.08);
  --sh2:0 18px 44px rgba(240,78,20,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink-900);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:8px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media(max-width:640px){.container{padding:0 16px}}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,248,243,.9);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.topbar{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px;border-radius:10px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:18px;line-height:1;
  box-shadow:0 8px 18px rgba(240,78,20,.24)}
.logo-text{font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.search-box{flex:1;max-width:420px;display:flex;align-items:center;gap:8px;height:44px;
  padding:0 14px 0 18px;background:#fff;border:1px solid var(--line);border-radius:var(--rfull);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease)}
.search-box input{flex:1;border:0;outline:none;background:transparent;font-size:14px}
.search-box input::placeholder{color:var(--ink-400)}
.search-box svg{color:var(--ink-400);flex-shrink:0}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(255,106,43,.15)}
.top-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.top-link{font-size:14px;color:var(--ink-600);transition:color .2s var(--ease)}
.top-link:hover{color:var(--brand-600)}
.burger{display:none;width:40px;height:40px;border-radius:var(--r12);border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;transition:.2s var(--ease)}
.burger:hover{border-color:var(--brand-300);color:var(--brand-600)}
.tabs-wrap{position:relative}
.tabs-wrap::before,.tabs-wrap::after{content:"";position:absolute;top:0;bottom:0;width:24px;
  pointer-events:none;z-index:2}
.tabs-wrap::before{left:0;background:linear-gradient(90deg,rgba(255,248,243,.98),rgba(255,248,243,0))}
.tabs-wrap::after{right:0;background:linear-gradient(270deg,rgba(255,248,243,.98),rgba(255,248,243,0))}
.tabs{display:flex;gap:10px;overflow-x:auto;padding:0 24px 12px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.no-scrollbar{scrollbar-width:none}
.tab{padding:8px 16px;border-radius:var(--rfull);background:#fff;border:1px solid var(--line);
  color:var(--ink-600);font-size:14px;white-space:nowrap;
  transition:border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease)}
.tab:hover{border-color:var(--brand-300);color:var(--brand-600)}
.tab.is-active{background:var(--grad);color:#fff;border-color:transparent;
  box-shadow:0 8px 18px rgba(240,78,20,.22)}
.tab:active{transform:scale(.98)}

/* ============ buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;
  padding:0 26px;border-radius:var(--rfull);border:1.5px solid transparent;font-size:15px;
  font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),filter .22s var(--ease)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(240,78,20,.24)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 14px 30px rgba(240,78,20,.3)}
.btn-primary:active{transform:scale(.98)}
.btn-secondary{background:#fff;border-color:var(--brand-500);color:var(--brand-600)}
.btn-secondary:hover{background:var(--brand-50);transform:translateY(-1px)}
.btn-secondary:active{transform:scale(.98)}
.btn-light{background:#fff;color:var(--brand-600);box-shadow:0 12px 26px rgba(23,18,31,.16)}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(23,18,31,.22)}
.btn-light:active{transform:scale(.98)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.62);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:54px;padding:0 30px;font-size:16px}
.btn.on-dark{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4);color:#fff}
.btn.on-dark:hover{background:rgba(255,255,255,.24);border-color:#fff}

/* ============ badges ============ */
.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--rfull);
  font-size:13px;font-weight:600;line-height:1.2}
.badge-brand{background:var(--brand-50);color:var(--brand-700)}
.badge-accent{background:var(--accent-50);color:var(--accent-700)}
.badge-violet{background:var(--violet-50);color:var(--violet-500)}
.badge-glass{background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.28);
  flex-direction:column;align-items:flex-start;gap:2px;padding:10px 18px;border-radius:var(--r16)}
.badge-glass b{font-size:19px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2}
.badge-glass i{font-style:normal;font-size:12px;opacity:.82;letter-spacing:.02em}

/* ============ breadcrumb ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:20px 0 0;
  font-size:13px;color:var(--ink-400)}
.crumb a{color:var(--ink-400);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--brand-600)}
.crumb span.sep{color:#D9CBBE}
.crumb .now{color:var(--ink-600)}

/* ============ hero ============ */
.hero-band{padding:22px 0 6px}
.hero-card{position:relative;overflow:hidden;border-radius:var(--r28);padding:46px 44px 42px;
  background:var(--grad);color:#fff;box-shadow:0 24px 60px rgba(240,78,20,.24)}
.hero-card::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:14px 14px;opacity:.5}
.spark{position:absolute;border-radius:50%;background:rgba(255,255,255,.26);filter:blur(46px);pointer-events:none}
.spark.s1{width:300px;height:300px;top:-110px;right:-60px}
.spark.s2{width:210px;height:210px;bottom:-100px;left:16%}
.spark.s3{width:150px;height:150px;top:40%;right:22%;opacity:.6}
.hero-inner{position:relative;z-index:2;max-width:780px}
.hero-eyebrow{display:inline-block;padding:6px 14px;border-radius:var(--rfull);
  background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.3);
  font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:18px}
.hero-card h1{font-size:clamp(30px,4.6vw,50px);font-weight:800;line-height:1.15;
  letter-spacing:-.02em;text-wrap:balance}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.92);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* ============ sections ============ */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:76px 0}}
@media(min-width:1024px){.section{padding:92px 0}}
.section-tight{padding:40px 0}
@media(min-width:1024px){.section-tight{padding:56px 0}}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.25;
  letter-spacing:-.01em;text-wrap:balance}
.section-head p{margin-top:12px;color:var(--ink-600);font-size:15px;line-height:1.8}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ============ timeline ============ */
.timeline{position:relative;max-width:960px}
.tl-item{position:relative;display:grid;grid-template-columns:48px 1fr;gap:22px;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item:not(:last-child)::before{content:"";position:absolute;left:23px;top:56px;bottom:6px;
  width:2px;background:var(--line)}
.tl-num{width:48px;height:48px;border-radius:50%;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:19px;font-variant-numeric:tabular-nums;
  box-shadow:0 10px 22px rgba(240,78,20,.24);position:relative;z-index:2}
.tl-card{background:#fff;border:1px solid var(--line);border-radius:var(--r24);padding:24px 26px;
  box-shadow:var(--sh1);transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease)}
.tl-card:hover{transform:translateY(-4px);border-color:var(--brand-100);box-shadow:var(--sh2)}
.tl-card h3{font-size:18px;font-weight:700;line-height:1.45}
.tl-card p{margin-top:10px;color:var(--ink-600);font-size:15px;line-height:1.85}
.tl-meta{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.tl-meta span{padding:4px 12px;border-radius:var(--rfull);background:var(--brand-50);
  color:var(--brand-700);font-size:12px;font-weight:600}

/* ============ feature split ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:28px}}
.pill-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.pill{padding:8px 16px;border-radius:var(--rfull);background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--ink-600);transition:.24s var(--ease)}
.pill:hover{border-color:var(--brand-300);color:var(--brand-600);transform:translateY(-2px)}
.feat-list{margin:24px 0 0;padding:0;list-style:none}
.feat-list li{position:relative;padding-left:26px;margin-bottom:12px;font-size:15px;color:var(--ink-600);line-height:1.8}
.feat-list li::before{content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:50%;
  background:var(--grad)}
.media-card{position:relative;border-radius:var(--r24);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh1);background:var(--brand-50)}
.media-card img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s var(--ease)}
.media-card:hover img{transform:scale(1.03)}
.media-tag{position:absolute;left:16px;bottom:16px;padding:8px 16px;border-radius:var(--rfull);
  background:rgba(23,18,31,.72);color:#fff;font-size:13px;font-weight:600;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}

/* ============ spec cards ============ */
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media(max-width:820px){.compare-grid{grid-template-columns:1fr}}
.spec-card{background:#fff;border:1px solid var(--line);border-radius:var(--r24);padding:28px 26px;
  box-shadow:var(--sh1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.spec-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:var(--brand-100)}
.spec-card.is-accent{background:var(--accent-50);border-color:var(--accent-500)}
.spec-head{display:flex;align-items:center;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.spec-icon{width:42px;height:42px;border-radius:var(--r12);display:grid;place-items:center;
  background:var(--brand-50);color:var(--brand-600);flex-shrink:0}
.spec-card.is-accent .spec-icon{background:#fff;color:var(--accent-700)}
.spec-head h3{font-size:18px;font-weight:700}
.spec-head small{display:block;font-size:12px;color:var(--ink-400);font-weight:400;letter-spacing:.02em}
.spec-list{margin:6px 0 0;padding:0;list-style:none}
.spec-list li{display:flex;justify-content:space-between;gap:18px;padding:14px 0;
  border-bottom:1px dashed var(--line);font-size:15px}
.spec-list li:last-child{border-bottom:0}
.spec-list dt{color:var(--ink-400);flex-shrink:0}
.spec-list dd{margin:0;color:var(--ink-900);font-weight:600;text-align:right;
  font-variant-numeric:tabular-nums}

/* ============ trouble cards ============ */
.trouble-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:22px}
@media(max-width:980px){.trouble-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.trouble-grid{grid-template-columns:1fr}}
.trouble-card{background:#fff;border:1px solid var(--line);border-radius:var(--r24);padding:26px 24px;
  box-shadow:var(--sh1);display:flex;flex-direction:column;gap:12px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.trouble-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:var(--brand-100)}
.trouble-card h3{font-size:17px;font-weight:700;line-height:1.45}
.trouble-card p{color:var(--ink-600);font-size:15px;line-height:1.85}
.trouble-card .mini{margin-top:auto;font-size:13px;font-weight:700;color:var(--brand-600)}
.trouble-num{width:38px;height:38px;border-radius:var(--r12);display:grid;place-items:center;
  background:var(--violet-50);color:var(--violet-500);font-weight:800;font-size:16px;
  font-variant-numeric:tabular-nums}

/* ============ faq ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r16);
  margin-bottom:14px;overflow:hidden;transition:border-color .24s var(--ease),box-shadow .24s var(--ease)}
.faq-item:hover{border-color:var(--brand-100);box-shadow:var(--sh1)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:20px 22px;font-size:16px;font-weight:600;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq-item[open] summary{color:var(--brand-700)}
.faq-icon{position:relative;width:24px;height:24px;flex:0 0 24px;border-radius:50%;
  background:var(--brand-50);transition:transform .24s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand-600);border-radius:2px}
.faq-icon::before{width:12px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:12px;transform:translate(-50%,-50%)}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;color:var(--ink-600);font-size:15px;line-height:1.85}
.faq-body p+p{margin-top:10px}

/* ============ dark cta ============ */
.cta-card{position:relative;overflow:hidden;border-radius:var(--r28);background:var(--dark);color:#fff;
  padding:48px 44px;display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center;
  box-shadow:0 26px 60px rgba(23,18,31,.28)}
.cta-card::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:rgba(255,106,43,.28);filter:blur(80px);top:-160px;left:-80px;pointer-events:none}
.cta-inner{position:relative;z-index:2}
.cta-card h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.25;text-wrap:balance}
.cta-card p{margin-top:14px;color:rgba(255,255,255,.74);font-size:15px;line-height:1.85;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-qr{position:relative;z-index:2;justify-self:end;width:100%;max-width:230px;background:#fff;
  border-radius:var(--r24);padding:16px;text-align:center}
.cta-qr img{border-radius:var(--r12);width:100%;aspect-ratio:1/1;object-fit:cover}
.cta-qr span{display:block;margin-top:10px;font-size:13px;color:var(--ink-600);font-weight:600}
@media(max-width:900px){.cta-card{grid-template-columns:1fr;padding:36px 24px}.cta-qr{justify-self:start;max-width:190px}}

/* ============ footer ============ */
.site-footer{background:var(--dark);color:#fff;margin-top:72px;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr 1fr 1.3fr;gap:28px}
@media(max-width:1024px){.footer-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:24px}}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:14px;color:#fff}
.footer-col p{margin-bottom:8px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.7}
.footer-col a{display:block;padding:5px 0;font-size:14px;color:rgba(255,255,255,.7);transition:color .2s var(--ease)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--brand-500);
  text-underline-offset:4px;text-decoration-thickness:1px}
.qr-box{background:#fff;border-radius:var(--r16);padding:10px;text-align:center}
.qr-box img{border-radius:8px;width:100%;aspect-ratio:1/1;object-fit:cover}
.qr-box span{display:block;margin-top:6px;font-size:12px;color:var(--ink-600)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:36px;
  padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.55)}

/* ============ drawer ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(23,18,31,.45);opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;background:#fff;z-index:100;
  transform:translateX(105%);transition:transform .3s var(--ease);padding:22px;overflow-y:auto;
  box-shadow:-20px 0 60px rgba(27,22,32,.18)}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.drawer-close{width:36px;height:36px;border-radius:var(--r12);border:1px solid var(--line);background:#fff;
  cursor:pointer;font-size:18px;line-height:1;transition:.2s var(--ease)}
.drawer-close:hover{border-color:var(--brand-300);color:var(--brand-600)}
.drawer-title{font-size:12px;letter-spacing:.08em;color:var(--ink-400);margin:18px 0 10px}
.drawer-link{display:block;padding:12px 14px;border-radius:var(--r12);font-size:15px;font-weight:600;
  color:var(--ink-600);transition:.2s var(--ease)}
.drawer-link:hover{background:var(--brand-50);color:var(--brand-700)}
.drawer-link.is-active{background:var(--grad);color:#fff}
.drawer .btn{width:100%;margin-top:10px}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;margin-top:6px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r12)}
.drawer-search input{flex:1;border:0;outline:none;background:transparent;font-size:14px}
.drawer-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(255,106,43,.15)}

@media(max-width:960px){
  .search-box{display:none}
  .top-link{display:none}
  .burger{display:inline-flex}
  .topbar{gap:12px;height:64px}
}
@media(max-width:640px){
  .logo-text{font-size:15px}
  .logo-mark{width:32px;height:32px;font-size:16px}
  .btn-sm{height:36px;padding:0 14px;font-size:13px}
  .hero-card{padding:32px 22px 30px;border-radius:var(--r24)}
  .tl-item{grid-template-columns:42px 1fr;gap:14px}
  .tl-num{width:42px;height:42px;font-size:17px}
  .tl-item:not(:last-child)::before{left:20px;top:48px}
  .tl-card{padding:20px 18px;border-radius:var(--r16)}
  .spec-card{padding:22px 18px;border-radius:var(--r16)}
  .section-head{margin-bottom:24px}
}