/* roulang page: index */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E0440F;
  --grad:linear-gradient(120deg,#FF7A18 0%,#FF3D5E 52%,#E0338F 100%);
  --cyan:#00C2A8;
  --cyan-deep:#00A88F;
  --amber:#FFC24B;
  --purple:#7C3AED;
  --bg:#FFF8F4;
  --bg-2:#FFF1E9;
  --card:#FFFFFF;
  --ink:#1D1815;
  --ink-2:#6E625B;
  --ink-3:#9A8C84;
  --line:#F0E4DC;
  --dark:#16110E;
  --r-xs:6px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --r-2xl:28px;
  --sh-1:0 2px 4px rgba(29,24,21,.04);
  --sh-2:0 14px 34px rgba(255,90,31,.14);
  --sh-3:0 10px 30px rgba(29,24,21,.08);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
summary{list-style:none;cursor:pointer}
summary::-webkit-details-marker{display:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";font-family:"Sora","Inter",system-ui,sans-serif}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{max-width:var(--max);margin:0 auto;padding:0 24px;width:100%}

/* 顶部滚动进度条 */
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:120;transition:width .1s linear}

/* 导航 */
.site-header{position:sticky;top:0;z-index:100;transition:padding .25s ease}
.header-inner{
  max-width:var(--max);margin:0 auto;padding:0 24px;height:68px;
  display:flex;align-items:center;gap:22px;
  background:rgba(255,248,244,.94);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:height .25s ease,box-shadow .25s ease,border-radius .25s ease,background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{padding:8px 16px}
.site-header.is-scrolled .header-inner{
  height:60px;border-radius:16px;
  border:1px solid rgba(240,228,220,.95);
  box-shadow:var(--sh-3);
  background:rgba(255,248,244,.92);
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:17px;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(255,90,31,.30);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:15.5px;font-weight:800;letter-spacing:-.01em}
.logo-text small{font-size:11px;letter-spacing:.06em;color:var(--ink-3);font-weight:500}
.main-nav{display:flex;align-items:center;gap:20px;margin-left:6px}
.nav-link{
  position:relative;font-size:14.5px;font-weight:600;color:var(--ink-2);
  padding:6px 2px;transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;height:40px;width:270px;
  padding:0 10px 0 12px;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cmd-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,31,.12)}
.cmd-search svg{flex:0 0 auto;color:var(--ink-3)}
.cmd-search input{border:0;outline:0;background:transparent;width:100%;font-size:13.5px}
.cmd-search input::placeholder{color:var(--ink-3)}
.kbd{
  flex:0 0 auto;font-size:11px;color:var(--ink-3);background:var(--bg-2);
  border:1px solid var(--line);border-radius:6px;padding:1px 6px;line-height:1.6;
}
.quick-links{display:flex;align-items:center;gap:6px;font-size:13.5px;color:var(--ink-2);font-weight:600}
.quick-links a{transition:color .2s ease;padding:4px 2px}
.quick-links a:hover{color:var(--brand)}
.quick-links .dot{color:var(--ink-3)}
.menu-toggle{
  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;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.2s}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:68px 0 0;background:rgba(255,248,244,.985);z-index:95;
  padding:20px 20px calc(20px + env(safe-area-inset-bottom));
  display:flex;flex-direction:column;gap:4px;overflow-y:auto;
}
.drawer[hidden]{display:none}
.drawer-link{
  font-size:20px;font-weight:700;padding:18px 4px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;color:var(--ink);
}
.drawer-link.is-active{color:var(--brand)}
.drawer-link::after{content:"›";color:var(--ink-3);font-weight:400}
.drawer-cta{margin-top:20px;width:100%}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(255,90,31,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,31,.34)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);border-radius:14px}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-dark{background:rgba(255,248,244,.14);border-color:rgba(255,248,244,.30);color:var(--bg)}
.btn-dark:hover{background:rgba(255,248,244,.22);border-color:rgba(255,248,244,.5)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1.5px;transition:color .2s ease;
}
.link-arrow:hover{color:var(--brand-dark)}
.link-arrow .arrow{transition:transform .2s ease}
.link-arrow:hover .arrow{transform:translateX(3px)}

/* 通用板块 */
.section{padding:96px 0}
.section-alt{background:var(--bg-2)}
.section-head{max-width:760px;margin-bottom:48px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:rgba(255,90,31,.09);border-radius:999px;padding:5px 14px;margin-bottom:16px;
}
.eyebrow.cyan{color:var(--cyan-deep);background:rgba(0,194,168,.12)}
.section-title{font-size:32px;font-weight:700;letter-spacing:-.01em;line-height:1.35;margin-bottom:14px}
.section-desc{color:var(--ink-2);font-size:16px;max-width:720px}

/* Hero */
.hero{
  position:relative;overflow:hidden;padding:72px 0 0;
  background:
    radial-gradient(900px 480px at 6% -12%, rgba(255,122,24,.20), transparent 62%),
    radial-gradient(760px 520px at 98% 4%, rgba(0,194,168,.16), transparent 64%),
    var(--bg);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(29,24,21,.5) 1px, transparent 1px);
  background-size:22px 22px;opacity:.055;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-copy{max-width:640px}
.pill{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-dark);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 16px;margin-bottom:20px;
  box-shadow:var(--sh-1);
}
.pill i{width:7px;height:7px;border-radius:50%;background:var(--grad);display:block}
h1.hero-title{font-size:44px;font-weight:800;line-height:1.25;letter-spacing:-.01em;margin-bottom:18px}
.hero-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:18px;color:var(--ink-2);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:var(--ink-2)}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{
  content:"";width:16px;height:16px;border-radius:50%;background:rgba(0,194,168,.16);
  border:1px solid rgba(0,194,168,.5);
}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;border-radius:var(--r-xl);border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(29,24,21,.12);object-fit:cover;aspect-ratio:4/3;
}
.float-badge{
  position:absolute;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:10px 14px;font-size:12.5px;font-weight:700;color:var(--ink-2);
  box-shadow:var(--sh-2);display:flex;flex-direction:column;line-height:1.3;gap:2px;
}
.float-badge b{font-size:20px;color:var(--brand);font-weight:800}
.float-badge.b1{left:-18px;top:28px}
.float-badge.b2{right:-14px;top:44%;}
.float-badge.b3{left:24px;bottom:-18px}
.hero-stats{
  position:relative;z-index:1;margin-top:72px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
}
.stat{background:#fff;padding:26px 24px;display:flex;flex-direction:column;gap:6px}
.stat .num{font-size:32px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.stat .num small{font-size:15px;font-weight:700;color:var(--brand);margin-left:2px}
.stat-label{font-size:13.5px;color:var(--ink-2)}

/* Bento 卖点 */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:24px;position:relative;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.35)}
.card-icon{
  width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;margin-bottom:16px;
}
.card h3{font-size:20px;font-weight:700;margin-bottom:10px;line-height:1.45}
.card p{font-size:14.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .link-arrow{margin-top:16px}
.b-large{grid-column:span 3;grid-row:span 2;padding:32px;display:flex;flex-direction:column}
.b-large img{border-radius:var(--r-md);aspect-ratio:16/10;object-fit:cover;margin-bottom:20px;width:100%}
.b-large h3{font-size:24px}
.b-large p{-webkit-line-clamp:3;font-size:15px}
.b-mid{grid-column:span 3}
.b-small{grid-column:span 2}
.tagline{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  border-radius:var(--r-xs);padding:3px 9px;margin-bottom:12px;
}
.tag-orange{color:var(--brand-dark);background:rgba(255,90,31,.10)}
.tag-cyan{color:#00806F;background:rgba(0,194,168,.14)}
.tag-amber{color:#9A6A00;background:rgba(255,194,75,.22)}
.tag-purple{color:#5B21B6;background:rgba(124,58,237,.12)}
.tag-ink{color:var(--bg);background:var(--dark)}
.mini-stats{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.mini-stats span{
  font-size:12.5px;font-weight:700;color:var(--brand-dark);background:rgba(255,90,31,.08);
  border-radius:999px;padding:4px 12px;
}

/* 演示 */
.demo-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:40px;align-items:start}
.demo-steps{display:flex;flex-direction:column;gap:12px}
.step-btn{
  text-align:left;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;display:flex;gap:14px;align-items:flex-start;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.step-btn:hover{border-color:rgba(255,90,31,.4);transform:translateX(3px)}
.step-btn.is-active{border-color:var(--brand);box-shadow:0 10px 26px rgba(255,90,31,.14)}
.step-num{
  flex:0 0 auto;width:32px;height:32px;border-radius:10px;background:var(--bg-2);color:var(--ink-2);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;
  transition:background .2s ease,color .2s ease;
}
.step-btn.is-active .step-num{background:var(--grad);color:#fff}
.step-btn strong{display:block;font-size:15.5px;font-weight:700;margin-bottom:4px}
.step-btn small{font-size:13px;color:var(--ink-2);line-height:1.6;display:block}
.device-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-2xl);padding:14px;
  box-shadow:0 20px 50px rgba(29,24,21,.10);
}
.device-frame{border-radius:var(--r-lg);overflow:hidden;position:relative;background:var(--bg-2)}
.device-frame img{aspect-ratio:16/10;object-fit:cover;width:100%}
.device-bar{
  display:flex;align-items:center;gap:7px;padding:0 6px 12px;
}
.device-bar i{width:10px;height:10px;border-radius:50%;background:var(--line);display:block}
.device-bar i:first-child{background:rgba(255,90,31,.5)}
.device-caption{padding:20px 12px 10px}
.device-caption h3{font-size:19px;font-weight:700;margin-bottom:8px}
.device-caption p{font-size:14.5px;color:var(--ink-2)}
.device-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.device-chips span{
  font-size:12.5px;font-weight:600;color:var(--ink-2);background:var(--bg-2);
  border-radius:999px;padding:4px 12px;
}

/* 证据 */
.proof-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:56px}
.proof-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:26px 24px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.proof-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.proof-item .num{font-size:34px;font-weight:800;letter-spacing:-.02em;display:block;color:var(--ink)}
.proof-item .num small{font-size:15px;color:var(--cyan-deep);font-weight:700;margin-left:2px}
.proof-item span:last-child{font-size:13.5px;color:var(--ink-2);display:block;margin-top:6px}
.quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.quote{
  background:#fff;border:1px solid var(--line);border-left:4px solid transparent;
  border-image:var(--grad) 1;border-radius:0 var(--r-lg) var(--r-lg) 0;
  padding:28px 28px 24px;
}
.quotes .quote:nth-child(2){margin-top:34px}
.quote p{font-size:15.5px;color:var(--ink);margin-bottom:16px}
.quote footer{font-size:13px;color:var(--ink-3);font-weight:600}
.logo-strip{
  margin-top:56px;display:flex;flex-wrap:wrap;gap:18px 42px;align-items:center;justify-content:center;
  padding:26px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
}
.logo-strip span{
  font-size:15px;font-weight:800;letter-spacing:.02em;color:#B9ABA3;
  filter:grayscale(1);transition:color .2s ease,filter .2s ease;
}
.logo-strip span:hover{color:var(--brand);filter:none}

/* 价格 */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-2xl);padding:32px 28px;
  display:flex;flex-direction:column;position:relative;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.price-card.is-featured{
  border:2px solid var(--brand);box-shadow:0 20px 46px rgba(255,90,31,.16);
  transform:translateY(-8px);overflow:hidden;
}
.price-card.is-featured::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:var(--grad)}
.price-badge{
  position:absolute;top:20px;right:22px;font-size:12px;font-weight:800;color:#fff;
  background:var(--grad);border-radius:999px;padding:4px 12px;
}
.price-name{font-size:17px;font-weight:800;margin-bottom:6px}
.price-note{font-size:13.5px;color:var(--ink-2);margin-bottom:22px}
.price-value{display:flex;align-items:flex-end;gap:6px;margin-bottom:22px}
.price-value .num{font-size:44px;font-weight:800;letter-spacing:-.03em;line-height:1}
.price-value .unit{font-size:14px;color:var(--ink-3);padding-bottom:6px}
.price-list{display:flex;flex-direction:column;gap:12px;margin-bottom:28px}
.price-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);align-items:flex-start}
.price-list li::before{
  content:"";flex:0 0 auto;width:18px;height:18px;border-radius:50%;margin-top:5px;
  background:rgba(0,194,168,.14);
  background-image:linear-gradient(transparent,transparent);
  box-shadow:inset 0 0 0 1px rgba(0,194,168,.5);
  position:relative;
}
.price-list li i{
  position:absolute;left:6px;top:0;width:6px;height:10px;border-right:2px solid var(--cyan-deep);
  border-bottom:2px solid var(--cyan-deep);transform:rotate(45deg);margin-top:8px;margin-left:6px;
}
.price-list li{position:relative;padding-left:28px}
.price-list li::before{position:absolute;left:0;top:4px}
.price-list li::after{
  content:"";position:absolute;left:6px;top:8px;width:5px;height:9px;
  border-right:2px solid var(--cyan-deep);border-bottom:2px solid var(--cyan-deep);transform:rotate(45deg);
}
.price-card .btn{width:100%;margin-top:auto}

/* 资讯列表 CMS */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.35)}
.news-cover{position:relative;overflow:hidden;background:var(--bg-2)}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-cat{
  position:absolute;left:12px;top:12px;font-size:11.5px;font-weight:700;border-radius:var(--r-xs);
  padding:3px 9px;background:rgba(255,90,31,.92);color:#fff;backdrop-filter:blur(2px);
}
.news-cat.c1{background:rgba(224,51,143,.92)}
.news-cat.c2{background:rgba(0,168,143,.94)}
.news-cat.c3{background:rgba(124,58,237,.92)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-body h3{
  font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--ink-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);border-top:1px solid var(--line);padding-top:14px;
}
.news-meta .more{font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:4px}
.news-empty{
  grid-column:1/-1;text-align:center;padding:64px 24px;background:#fff;
  border:1px dashed var(--line);border-radius:var(--r-xl);
}
.news-empty .ico{
  width:48px;height:48px;border-radius:14px;background:var(--bg-2);color:var(--ink-3);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:22px;font-weight:800;
}
.news-empty p{color:var(--ink-2);font-size:15px;margin-bottom:12px}

/* FAQ */
.faq-wrap{max-width:840px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(255,90,31,.35)}
.faq-item[open]{border-color:rgba(255,90,31,.45);box-shadow:0 10px 26px rgba(255,90,31,.10)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:700;color:var(--ink);
}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:20px;font-weight:600;color:var(--brand);
  transition:transform .2s ease;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px 22px;font-size:15px;color:var(--ink-2);line-height:1.85;background:rgba(255,248,244,.7)}

/* CTA */
.cta-card{
  background:var(--dark);border-radius:var(--r-2xl);padding:56px 48px;position:relative;overflow:hidden;
  display:flex;align-items:center;gap:48px;justify-content:space-between;
  background-image:radial-gradient(600px 320px at 8% 0%, rgba(255,90,31,.32), transparent 62%),
                   radial-gradient(520px 300px at 96% 100%, rgba(224,51,143,.28), transparent 60%);
}
.cta-copy{max-width:620px}
.cta-copy h2{font-size:30px;color:var(--bg);margin-bottom:14px;letter-spacing:-.01em}
.cta-copy p{color:rgba(255,248,244,.72);font-size:15.5px}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start;flex:0 0 auto}
.cta-actions .btn-primary{min-width:200px}
.cta-actions .link-arrow{color:var(--amber)}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,248,244,.72);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-mark{width:36px;height:36px;border-radius:11px}
.footer-brand strong{color:var(--bg);font-size:16px;font-weight:800}
.footer-about{font-size:14px;line-height:1.9;max-width:320px;margin-bottom:20px}
.footer-social{display:flex;gap:10px}
.footer-social span{
  width:38px;height:38px;border-radius:12px;background:rgba(255,248,244,.08);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:var(--bg);
  transition:background .2s ease,transform .2s ease;cursor:pointer;
}
.footer-social span:hover{background:var(--brand);transform:translateY(-2px)}
.footer-col h4{font-size:13px;letter-spacing:.06em;color:rgba(255,248,244,.5);font-weight:700;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:4px}
.footer-col a{font-size:15px;line-height:2.2;color:rgba(255,248,244,.78);display:inline-block;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact li{font-size:14.5px;line-height:2.2;color:rgba(255,248,244,.78)}
.footer-bottom{
  border-top:1px solid rgba(255,248,244,.12);padding:24px 0 32px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;font-size:13px;
  color:rgba(255,248,244,.55);
}
.footer-bottom a{color:rgba(255,248,244,.7)}
.footer-bottom a:hover{color:var(--brand)}

/* 浮动 CTA 与回到顶部 */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 22px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:700;font-size:14.5px;
  box-shadow:0 14px 34px rgba(255,90,31,.36);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{transform:translateY(-2px)}
.float-cta.is-dim{opacity:.4}
.to-top{
  position:fixed;right:24px;bottom:92px;z-index:90;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:var(--brand);font-size:18px;font-weight:800;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-1);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,transform .2s ease;
}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}

/* 响应式 */
@media (max-width:1279px){
  .cmd-search{width:210px}
  .quick-links{display:none}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .cmd-search{display:none}
  .menu-toggle{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero{padding-top:48px}
  h1.hero-title{font-size:34px}
  .hero-stats{margin-top:48px;grid-template-columns:repeat(2,1fr)}
  .bento{grid-template-columns:repeat(4,1fr)}
  .b-large{grid-column:span 4;grid-row:auto}
  .b-mid{grid-column:span 2}
  .b-small{grid-column:span 2}
  .demo-grid{grid-template-columns:1fr;gap:28px}
  .proof-wall{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto}
  .price-card.is-featured{transform:none}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .cta-card{flex-direction:column;align-items:flex-start;padding:44px 32px}
  .cta-actions{flex-direction:row;flex-wrap:wrap;align-items:center}
  .section{padding:72px 0}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .header-inner{padding:0 16px;height:62px}
  .site-header.is-scrolled{padding:6px 8px}
  .logo-text small{display:none}
  .logo-text strong{font-size:14.5px}
  .drawer{inset:62px 0 0}
  .section{padding:56px 0}
  h1.hero-title{font-size:30px;line-height:1.3}
  .hero-sub{font-size:16px}
  .section-title{font-size:24px}
  .hero-stats{grid-template-columns:1fr 1fr;margin-top:36px}
  .stat{padding:20px 18px}
  .stat .num{font-size:26px}
  .bento{grid-template-columns:1fr;gap:16px}
  .b-large,.b-mid,.b-small{grid-column:span 1}
  .b-large{padding:24px}
  .proof-wall{grid-template-columns:1fr}
  .quotes{grid-template-columns:1fr}
  .quotes .quote:nth-child(2){margin-top:0}
  .news-grid{grid-template-columns:1fr}
  .cta-card{padding:32px 22px}
  .cta-copy h2{font-size:23px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .float-cta{
    right:0;left:0;bottom:0;width:100%;height:56px;border-radius:0;justify-content:center;
    padding-bottom:env(safe-area-inset-bottom);
  }
  .to-top{right:16px;bottom:76px}
  .float-badge{position:static;margin-top:10px;box-shadow:var(--sh-1)}
  .float-badge.b3{left:auto}
  .hero-visual{display:flex;flex-direction:column}
  .hero-visual img{aspect-ratio:16/11}
  .faq-item summary{font-size:16px;padding:18px 18px}
  .faq-answer{padding:0 18px 18px}
}

/* roulang page: article */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E0440F;
  --brand-soft:rgba(255,90,31,.10);
  --brand-line:rgba(255,90,31,.28);
  --grad:linear-gradient(120deg,#FF7A18 0%,#FF3D5E 52%,#E0338F 100%);
  --cyan:#00C2A8;
  --cyan-soft:rgba(0,194,168,.12);
  --amber:#FFC24B;
  --amber-soft:rgba(255,194,75,.18);
  --bg:#FFF8F4;
  --bg-2:#FFF1E9;
  --ink:#16110E;
  --text:#1D1815;
  --text-2:#6E625B;
  --text-3:#9A8C84;
  --line:#F0E4DC;
  --card:#FFFFFF;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --r-2xl:28px;
  --sh-rest:0 2px 4px rgba(29,24,21,.04);
  --sh-hover:0 14px 34px rgba(255,90,31,.14);
  --header-h:68px;
  --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Sora","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
::selection{background:rgba(255,90,31,.18)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.01em}

/* ============ 顶部滚动进度 ============ */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:var(--grad);z-index:120;transition:width .12s linear;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,248,244,.94);
  border-bottom:1px solid var(--line);
  transition:padding .25s ease,background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-shrink{
  margin:10px 16px 0;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:rgba(255,248,244,.92);
  backdrop-filter:blur(6px);
  box-shadow:0 10px 30px rgba(29,24,21,.07);
}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:var(--header-h);
  display:flex;align-items:center;gap:24px;
}
.site-header.is-shrink .header-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);color:#FFF8F4;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:700;font-size:15px;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(255,90,31,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.brand-sub{font-size:11px;letter-spacing:.06em;color:var(--text-3);margin-top:2px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;
  padding:8px 10px;border-radius:8px;
  font-size:14.5px;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:270px;height:40px;padding:0 10px 0 12px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  color:var(--text-3);font-size:13.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:hover{border-color:var(--brand-line)}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,31,.12)}
.search-box svg{flex-shrink:0}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:13.5px;color:var(--text)}
.search-box input::placeholder{color:var(--text-3)}
.kbd{
  flex-shrink:0;font-family:var(--font-num);font-size:11px;
  padding:2px 6px;border:1px solid var(--line);border-radius:6px;
  background:var(--bg-2);color:var(--text-2);
}
.quick-links{display:flex;align-items:center;gap:6px;font-size:13.5px;color:var(--text-3)}
.quick-links a{color:var(--text-2);transition:color .2s ease}
.quick-links a:hover{color:var(--brand)}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;transition:background .2s}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease;
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.hamburger.is-open span{background:transparent}
.hamburger.is-open span::before{transform:translateY(6px) rotate(45deg)}
.hamburger.is-open span::after{transform:translateY(-6px) rotate(-45deg)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad);color:#FFF8F4;box-shadow:0 8px 22px rgba(255,90,31,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,31,.32)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(255,90,31,.24)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 移动抽屉 ============ */
.mobile-drawer{
  position:fixed;inset:0;z-index:99;
  background:rgba(255,248,244,.98);
  backdrop-filter:blur(8px);
  padding:calc(var(--header-h) + 28px) 24px 120px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  overflow-y:auto;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  font-size:20px;font-weight:600;color:var(--text);
  padding:20px 0;border-bottom:1px solid var(--line);
}
.mobile-drawer a.drawer-link:hover{color:var(--brand)}
.drawer-foot{position:fixed;left:0;right:0;bottom:0;padding:16px 24px calc(16px + env(safe-area-inset-bottom));background:rgba(255,248,244,.96);border-top:1px solid var(--line)}

/* ============ 文章页头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:44px 0 48px;
  background:linear-gradient(180deg,#FFF3EB 0%,#FFF8F4 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,90,31,.14) 1px,transparent 1px);
  background-size:22px 22px;opacity:.45;pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--text-2);margin-bottom:20px}
.breadcrumb a{color:var(--text-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .muted{color:var(--text-3);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-h1{
  font-size:40px;line-height:1.3;font-weight:800;letter-spacing:-.01em;
  max-width:900px;margin-bottom:20px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13.5px;color:var(--text-2)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:6px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-brand{background:var(--brand-soft);color:var(--brand-dark)}
.badge-cyan{background:var(--cyan-soft);color:#00897A}
.badge-amber{background:var(--amber-soft);color:#9A6A00}

/* ============ 文章主体 ============ */
.article-section{padding:56px 0 24px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
.article-main{min-width:0}
.article-cover{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(120deg,#FFE7DA,#FFD9E4);margin-bottom:36px;
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-content{font-size:17px;line-height:1.9;color:var(--text);max-width:760px}
.article-content p{margin:0 0 1.2em}
.article-content h2{
  position:relative;font-size:24px;font-weight:700;line-height:1.45;
  margin:44px 0 18px;padding-left:16px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
  border-radius:4px;background:var(--grad);
}
.article-content h3{font-size:19px;font-weight:700;line-height:1.5;margin:32px 0 12px}
.article-content h4{font-size:17px;font-weight:600;margin:24px 0 10px}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:1.4em}
.article-content ul li{position:relative;list-style:none;margin-bottom:.45em}
.article-content ul li::before{
  content:"";position:absolute;left:-1.05em;top:.78em;
  width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.article-content ol li{list-style:decimal;margin-bottom:.45em}
.article-content ol li::marker{color:var(--brand);font-weight:700}
.article-content blockquote{
  margin:24px 0;padding:18px 22px;
  border-left:4px solid transparent;
  border-image:var(--grad) 1;
  background:#FFF4EC;border-radius:0 12px 12px 0;
  color:var(--text-2);
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:16px;margin:24px 0}
.article-content figcaption{font-size:13px;color:var(--text-3);text-align:center;margin:-12px 0 24px}
.article-content a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--brand-dark)}
.article-content code{
  font-family:var(--font-num);font-size:.92em;
  background:#FFF1E9;border-radius:6px;padding:2px 6px;color:#B33A0F;
}
.article-content pre{
  background:#FFF4EC;border:1px solid var(--line);border-radius:16px;
  padding:18px 20px;overflow-x:auto;margin:0 0 1.2em;
}
.article-content pre code{background:none;padding:0;color:var(--text)}
.article-content table{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:15px;overflow:hidden;border-radius:12px}
.article-content thead th{background:#FFF1E9;font-weight:700;text-align:left}
.article-content th,.article-content td{padding:12px 14px;border-bottom:1px solid var(--line)}
.article-content tbody tr:nth-child(even){background:#FFFAF7}
.article-content hr{border:0;border-top:1px solid var(--line);margin:36px 0}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-xl);
}
.empty-state svg{margin:0 auto 18px;display:block}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--text-2);max-width:440px;margin:0 auto 24px;font-size:15px}

/* ============ 侧栏 ============ */
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.aside-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px}
.aside-title{font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--text-2);margin-bottom:14px}
.toc-list li{margin-bottom:2px}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--text-2);
  padding:7px 10px;border-left:2px solid var(--line);border-radius:0 8px 8px 0;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.toc-list a:hover{color:var(--brand);background:var(--brand-soft)}
.toc-list a.is-current{color:var(--brand);border-left-color:var(--brand);background:var(--brand-soft);font-weight:600}
.toc-list a.depth-3{padding-left:22px;font-size:13.5px;color:var(--text-3)}
.mini-post{display:block;padding:12px 0;border-bottom:1px solid var(--line);transition:padding-left .2s ease}
.mini-post:last-child{border-bottom:0;padding-bottom:0}
.mini-post strong{display:block;font-size:14.5px;font-weight:600;line-height:1.5;color:var(--text);transition:color .2s ease}
.mini-post span{display:block;font-size:12.5px;color:var(--text-3);margin-top:4px}
.mini-post:hover{padding-left:4px}
.mini-post:hover strong{color:var(--brand)}
.aside-cta{
  position:relative;background:#fff;border-radius:var(--r-lg);padding:22px;
  border:1px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.aside-cta p{font-size:14.5px;font-weight:600;margin-bottom:14px}

/* ============ 文末 ============ */
.article-footer{max-width:760px;margin-top:48px;padding-top:32px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:32px}
.tag-label{font-size:13px;color:var(--text-3);letter-spacing:.04em}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border:1px solid var(--line);border-radius:999px;
  font-size:13px;color:var(--text-2);background:#fff;
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.tag:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:44px}
.post-nav-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-nav-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--brand-line)}
.post-nav-card span{display:block;font-size:12.5px;color:var(--text-3);margin-bottom:6px}
.post-nav-card strong{font-size:15px;font-weight:600;line-height:1.5}
.related-block h2{font-size:22px;font-weight:700;margin-bottom:20px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:36px}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--brand-line)}
.related-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.related-card:hover img{transform:scale(1.03)}
.related-card .rc-body{padding:16px 18px 18px}
.related-card h3{font-size:15px;font-weight:600;line-height:1.5;margin-bottom:8px}
.related-card .rc-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3)}
.back-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--brand);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:4px;
  text-decoration-color:rgba(255,90,31,.22);
}
.back-link:hover{color:var(--brand-dark);text-decoration-color:var(--brand)}

/* ============ 底部 CTA ============ */
.cta-section{padding:72px 0 88px}
.cta-card{
  position:relative;overflow:hidden;
  background:var(--ink);border-radius:var(--r-2xl);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-card::before{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:var(--grad);opacity:.32;filter:blur(48px);
}
.cta-card h2{position:relative;color:#FFF8F4;font-size:28px;font-weight:700;line-height:1.4;margin-bottom:10px}
.cta-card p{position:relative;color:rgba(255,248,244,.72);font-size:15px;max-width:520px}
.cta-actions{position:relative;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.link-arrow{
  color:#FFF8F4;font-size:14.5px;font-weight:600;
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:4px;
  text-decoration-color:rgba(255,248,244,.3);
  transition:color .2s ease,text-decoration-color .2s ease;
}
.link-arrow:hover{color:var(--amber);text-decoration-color:var(--amber)}
.link-arrow:focus-visible{outline-color:var(--amber)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,248,244,.74);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-name{color:#FFF8F4}
.footer-brand .brand-sub{color:rgba(255,248,244,.5)}
.footer-brand p{font-size:14px;line-height:1.85;margin:18px 0 20px;max-width:300px}
.socials{display:flex;gap:10px}
.socials a{
  width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,248,244,.07);border:1px solid rgba(255,248,244,.12);
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.socials a:hover{background:var(--brand);border-color:var(--brand);transform:translateY(-2px)}
.socials svg{width:17px;height:17px;fill:#FFF8F4}
.footer-col h3{
  font-size:13px;letter-spacing:.06em;font-weight:700;
  color:#FFF8F4;margin-bottom:16px;
}
.footer-col li{line-height:2.2}
.footer-col a{font-size:15px;color:rgba(255,248,244,.72);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:var(--brand);transform:translateX(2px)}
.footer-col .plain{font-size:15px;color:rgba(255,248,244,.72)}
.footer-bottom{
  border-top:1px solid rgba(255,248,244,.12);
  padding:22px 24px 28px;display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,248,244,.52);
}
.footer-tech{font-family:var(--font-num);letter-spacing:.02em}

/* ============ 浮动元素 ============ */
.float-cta{
  position:fixed;right:24px;bottom:28px;z-index:95;
  display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 22px;
  border-radius:999px;background:var(--grad);color:#FFF8F4;
  font-size:14.5px;font-weight:600;box-shadow:0 12px 28px rgba(255,90,31,.3);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{transform:translateY(-2px)}
.float-cta.is-dim{opacity:.4}
.back-top{
  position:fixed;right:24px;bottom:92px;z-index:94;
  width:46px;height:46px;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:var(--text);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-rest);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,box-shadow .2s ease,border-color .2s ease;
}
.back-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--sh-hover)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 268px;gap:40px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1100px){
  .search-box{width:200px}
  .quick-links{display:none}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .search-box{display:none}
  .hamburger{display:flex}
  .header-actions{gap:10px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-aside{position:static;order:2;margin-top:40px}
  .article-content{max-width:none}
  .article-h1{font-size:32px}
  .article-meta{gap:8px 14px}
}
@media (max-width:768px){
  .page-hero{padding:32px 0 36px}
  .article-section{padding:40px 0 16px}
  .article-h1{font-size:28px}
  .article-content{font-size:16.5px}
  .article-content h2{font-size:21px;margin:36px 0 14px}
  .related-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .cta-card{padding:32px 24px;border-radius:var(--r-xl)}
  .cta-card h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
  .float-cta{
    right:12px;left:12px;bottom:0;height:56px;justify-content:center;
    padding:0 18px 0;
    padding-bottom:env(safe-area-inset-bottom);
    border-radius:16px 16px 0 0;
  }
  .back-top{right:16px;bottom:78px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-inner{padding:0 16px;gap:12px}
  .brand-name{font-size:15px}
  .brand-sub{display:none}
  .related-card h3{font-size:14.5px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E0440F;
  --brand-soft:rgba(255,90,31,.10);
  --grad:linear-gradient(120deg,#FF7A18 0%,#FF3D5E 52%,#E0338F 100%);
  --cyan:#00C2A8;
  --cyan-soft:rgba(0,194,168,.12);
  --amber:#FFC24B;
  --amber-soft:rgba(255,194,75,.18);
  --purple:#7C3AED;
  --purple-soft:rgba(124,58,237,.10);
  --bg:#FFF8F4;
  --bg-2:#FFF1E9;
  --dark:#16110E;
  --ink:#1D1815;
  --ink-2:#6E625B;
  --ink-3:#9A8C84;
  --line:#F0E4DC;
  --card:#FFFFFF;
  --ok:#00A88F;
  --warn:#E0A100;
  --err:#D93A2B;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-rest:0 2px 4px rgba(29,24,21,.04);
  --sh-hover:0 14px 34px rgba(255,90,31,.14);
  --sh-nav:0 10px 30px rgba(29,24,21,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.35;letter-spacing:-.01em}
.num{font-family:"Sora","Inter",system-ui,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:0}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);outline-offset:3px;border-radius:8px;
}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:999}
.skip-link:focus{left:0}

/* ============ 顶部滚动进度 ============ */
.scroll-progress{
  position:fixed;left:0;top:0;height:3px;width:0;
  background:var(--grad);z-index:120;transition:width .12s linear;
}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,248,244,.82);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  padding:0 16px;
}
.nav-shell{
  max-width:1200px;margin:0 auto;height:68px;
  display:flex;align-items:center;
  border:1px solid transparent;border-radius:16px;
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,248,244,.92);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-color:var(--line);
  box-shadow:var(--sh-nav);
}
.nav-inner{display:flex;align-items:center;gap:24px;width:100%;padding:0 20px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-family:"Sora",sans-serif;
  font-weight:700;font-size:18px;box-shadow:0 6px 16px rgba(255,90,31,.28);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-weight:800;font-size:17px;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.brand-sub{font-size:11px;letter-spacing:.06em;color:var(--ink-3);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;font-size:15px;color:var(--ink-2);padding:8px 12px;
  border-radius:10px;white-space:nowrap;transition:.2s var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;
  border-radius:2px;background:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;width:262px;height:40px;
  padding:0 10px 0 12px;border:1px solid var(--line);border-radius:12px;
  background:#fff;transition:.2s var(--ease);
}
.search-box:hover{border-color:#FFD1BC}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,31,.12)}
.search-box svg{flex:0 0 auto;color:var(--ink-3)}
.search-box input{
  flex:1;min-width:0;border:0;outline:none;background:transparent;
  font-size:14px;color:var(--ink);
}
.search-box input::placeholder{color:var(--ink-3)}
.search-box kbd{
  font-family:"Sora",sans-serif;font-size:11px;color:var(--ink-3);
  background:var(--bg-2);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;line-height:1.4;
}
.quick-links{display:flex;align-items:center;gap:6px;font-size:13.5px;color:var(--ink-2);white-space:nowrap}
.quick-links a:hover{color:var(--brand)}
.quick-links .dot{color:var(--line)}
.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:700;line-height:1;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--grad);color:#FFF8F4;box-shadow:0 8px 20px rgba(255,90,31,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,31,.34);filter:saturate(1.08)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#FFF8F4;color:var(--brand-dark)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(22,17,14,.22)}
.btn-sm{height:40px;padding:0 20px;font-size:14px;border-radius:var(--r-pill)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ============ 移动抽屉 ============ */
.mobile-drawer{
  position:fixed;inset:0;z-index:110;background:var(--bg);
  transform:translateY(-102%);transition:transform .35s var(--ease);
  display:flex;flex-direction:column;padding:20px 24px 0;
}
.mobile-drawer.is-open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;font-size:20px;color:var(--ink-2);
}
.drawer-nav{display:flex;flex-direction:column;padding:16px 0;flex:1;overflow-y:auto}
.drawer-nav a{
  font-size:20px;font-weight:600;padding:14px 4px;color:var(--ink);
  border-bottom:1px solid var(--line);min-height:44px;display:flex;align-items:center;
}
.drawer-nav a.is-active{color:var(--brand)}
.drawer-nav a:hover{color:var(--brand)}
.drawer-foot{padding:18px 0 32px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}

/* ============ 页头 ============ */
.page-hero{
  position:relative;overflow:hidden;padding:48px 0 56px;
  background:linear-gradient(180deg,#FFF3EC 0%,#FFF8F4 100%);
  border-bottom:1px solid var(--line);
}
.page-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.16;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,90,31,.20) 1px,transparent 1px);
  background-size:18px 18px;opacity:.5;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--ink-3);margin-bottom:18px;
}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#D9C9BE}
.breadcrumb .current{color:var(--ink-2);font-weight:600}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:18px;
}
.page-hero h1{
  font-size:44px;font-weight:800;max-width:860px;margin-bottom:18px;
}
.page-hero .lead{
  font-size:17px;color:var(--ink-2);max-width:720px;line-height:1.85;
}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.stat-badge{
  display:flex;flex-direction:column;gap:2px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 20px;min-width:150px;box-shadow:var(--sh-rest);
  transition:.25s var(--ease);
}
.stat-badge:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#FFD1BC}
.stat-badge .val{
  font-family:"Sora",sans-serif;font-weight:700;font-size:24px;color:var(--brand);line-height:1.2;
}
.stat-badge .val em{font-style:normal;font-size:13px;color:var(--ink-2);margin-left:3px;font-weight:500}
.stat-badge .lab{font-size:12.5px;color:var(--ink-3);letter-spacing:.02em}
.stat-badge.is-cyan .val{color:var(--cyan)}
.stat-badge.is-amber .val{color:#D99A00}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-alt{background:var(--bg-2)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-title{
  font-size:32px;font-weight:700;position:relative;padding-left:16px;margin-bottom:14px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--grad);
}
.section-head.center .section-title{padding-left:0}
.section-head.center .section-title::before{display:none}
.section-sub{font-size:15.5px;color:var(--ink-2);line-height:1.85}

/* ============ 图文交错 ============ */
.media-row{
  display:grid;grid-template-columns:1.45fr 1fr;gap:48px;align-items:center;
  padding:36px 0;
}
.media-row + .media-row{border-top:1px dashed var(--line)}
.media-row.is-reverse .media-copy{order:2}
.media-row.is-reverse .media-figure{order:1}
.media-copy .chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:5px 12px;border-radius:6px;margin-bottom:16px;
}
.chip-brand{background:var(--brand-soft);color:var(--brand)}
.chip-cyan{background:var(--cyan-soft);color:#00897A}
.chip-amber{background:var(--amber-soft);color:#A87700}
.chip-purple{background:var(--purple-soft);color:var(--purple)}
.media-copy h3{font-size:22px;font-weight:700;margin-bottom:12px}
.media-copy p{color:var(--ink-2);font-size:15.5px;line-height:1.9;margin-bottom:18px}
.check-list{display:grid;gap:10px;margin-bottom:20px}
.check-list li{
  position:relative;padding-left:28px;font-size:15px;color:var(--ink-2);line-height:1.75;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:50%;
  background:var(--brand-soft);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:13px;width:6px;height:3px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;
  color:var(--brand);padding-bottom:4px;border-bottom:1px solid transparent;
}
.link-arrow:hover{border-bottom-color:var(--brand)}
.media-figure{
  border-radius:var(--r-lg);overflow:hidden;position:relative;
  border:1px solid var(--line);background:#fff;box-shadow:var(--sh-rest);
}
.media-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s var(--ease)}
.media-figure:hover img{transform:scale(1.03)}
.figure-tag{
  position:absolute;left:16px;top:16px;background:rgba(22,17,14,.82);color:#FFF8F4;
  font-size:12px;font-weight:600;padding:6px 12px;border-radius:8px;backdrop-filter:blur(4px);
}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:4px;max-width:900px}
.timeline::before{
  content:"";position:absolute;left:29px;top:16px;bottom:24px;width:2px;
  background:var(--grad);opacity:.28;border-radius:2px;
}
.timeline-item{position:relative;display:flex;gap:24px;padding-bottom:32px}
.timeline-item:last-child{padding-bottom:0}
.timeline-dot{
  position:relative;z-index:1;flex:0 0 58px;width:58px;height:58px;border-radius:50%;
  background:#fff;border:2px solid #FFD9C7;color:var(--brand);
  display:grid;place-items:center;font-family:"Sora",sans-serif;font-weight:700;font-size:16px;
  box-shadow:var(--sh-rest);transition:.25s var(--ease);
}
.timeline-item:hover .timeline-dot{transform:translateY(-3px);box-shadow:0 10px 24px rgba(255,90,31,.18);border-color:var(--brand)}
.timeline-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 26px;flex:1;transition:.25s var(--ease);
}
.timeline-body:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#FFD1BC}
.timeline-body h3{font-size:18px;font-weight:700;margin-bottom:8px}
.timeline-body p{font-size:15px;color:var(--ink-2);line-height:1.85}
.timeline-body .tag{
  display:inline-block;margin-top:12px;font-size:12.5px;color:var(--ink-2);
  background:var(--bg-2);border-radius:6px;padding:4px 10px;
}

/* ============ FAQ ============ */
.faq-list{max-width:840px;margin:0 auto;display:grid;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  transition:.25s var(--ease);
}
.faq-item:hover{border-color:#FFD1BC}
.faq-item[open]{border-color:#FFC9B0;box-shadow:var(--sh-hover)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;
  gap:16px;padding:20px 24px;font-size:17px;font-weight:700;line-height:1.6;min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-family:"Sora",sans-serif;font-size:22px;font-weight:500;
  color:var(--brand);line-height:1;transition:transform .25s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{
  padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-2);
  background:linear-gradient(180deg,#FFFDFB,#FFF8F4);
}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#FFF8F4;
  padding:56px;display:flex;align-items:center;gap:40px;justify-content:space-between;
  box-shadow:0 24px 50px rgba(255,90,31,.24);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{font-size:30px;font-weight:800;margin-bottom:12px;color:#FFF8F4}
.cta-copy p{font-size:15.5px;line-height:1.85;color:rgba(255,248,244,.9)}
.cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-actions .text-link{color:#FFF8F4;font-size:14.5px;border-bottom:1px solid rgba(255,248,244,.6);padding-bottom:2px}
.cta-actions .text-link:hover{border-color:#FFF8F4}

/* ============ 浮动 CTA / 回到顶部 ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;height:52px;
  display:inline-flex;align-items:center;gap:10px;padding:0 24px;
  border-radius:var(--r-pill);background:var(--grad);color:#FFF8F4;
  font-size:14.5px;font-weight:700;box-shadow:0 14px 32px rgba(255,90,31,.32);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:.3s var(--ease);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{transform:translateY(-2px)}
.to-top{
  position:fixed;right:24px;bottom:92px;z-index:90;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  display:grid;place-items:center;box-shadow:var(--sh-rest);
  opacity:0;visibility:hidden;transition:.3s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-3px)}

/* ============ Footer ============ */
.site-footer{background:var(--dark);color:rgba(255,248,244,.78);padding:72px 0 0;margin-top:96px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:48px;
}
.footer-brand .brand-mark{margin-bottom:16px}
.footer-brand .footer-logo{
  display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#FFF8F4;margin-bottom:14px;
}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,248,244,.62);max-width:320px}
.social-row{display:flex;gap:10px;margin-top:20px}
.social-row a{
  width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,248,244,.16);
  display:grid;place-items:center;font-size:13px;color:rgba(255,248,244,.72);
}
.social-row a:hover{border-color:var(--brand);color:#fff;background:rgba(255,90,31,.16)}
.footer-title{
  font-size:13px;letter-spacing:.06em;color:rgba(255,248,244,.5);
  font-weight:700;margin-bottom:16px;
}
.footer-links{display:grid;gap:2px}
.footer-links a{
  font-size:15px;line-height:2.2;color:rgba(255,248,244,.78);
  display:inline-block;transition:.2s var(--ease);
}
.footer-links a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact{display:grid;gap:10px;font-size:14.5px;color:rgba(255,248,244,.72)}
.footer-contact strong{color:#FFF8F4;font-weight:600}
.footer-bottom{
  border-top:1px solid rgba(255,248,244,.12);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;font-size:13.5px;
  color:rgba(255,248,244,.5);
}
.footer-bottom .tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-bottom .tags span{
  border:1px solid rgba(255,248,244,.16);border-radius:6px;padding:3px 10px;font-size:12.5px;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .search-box{width:220px}
  .quick-links{display:none}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .search-box{display:none}
  .nav-toggle{display:flex}
  .page-hero h1{font-size:36px}
  .media-row{grid-template-columns:1fr;gap:28px}
  .media-row.is-reverse .media-copy{order:1}
  .media-row.is-reverse .media-figure{order:2}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .section{padding:72px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .site-header{padding:0 8px}
  .nav-inner{padding:0 12px;gap:12px}
  .brand-sub{display:none}
  .brand-name{font-size:15.5px}
  .page-hero{padding:36px 0 44px}
  .page-hero h1{font-size:30px}
  .page-hero .lead{font-size:15.5px}
  .section{padding:56px 0}
  .section-title{font-size:24px}
  .media-copy h3{font-size:19px}
  .timeline::before{left:23px}
  .timeline-dot{flex:0 0 46px;width:46px;height:46px;font-size:14px}
  .timeline-item{gap:16px}
  .timeline-body{padding:20px}
  .faq-item summary{font-size:16px;padding:18px 18px}
  .faq-answer{padding:0 18px 20px}
  .cta-band{padding:34px 24px;border-radius:22px}
  .cta-copy h2{font-size:24px}
  .cta-actions{align-items:stretch;width:100%}
  .cta-actions .btn{width:100%}
  .float-cta{
    left:0;right:0;bottom:0;height:56px;border-radius:0;justify-content:center;
    padding:0 16px calc(0px + env(safe-area-inset-bottom));
  }
  .to-top{display:none}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding-top:56px}
}
@media (max-width:520px){
  .stat-badge{min-width:calc(50% - 6px);flex:1 1 calc(50% - 6px);padding:12px 16px}
  .stat-badge .val{font-size:20px}
  .badge-row{gap:10px}
}

/* roulang page: category2 */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E0440F;
  --grad:linear-gradient(120deg,#FF7A18 0%,#FF3D5E 52%,#E0338F 100%);
  --cyan:#00C2A8;
  --amber:#FFC24B;
  --purple:#7C3AED;
  --ink:#1D1815;
  --ink-2:#6E625B;
  --ink-3:#9A8C84;
  --bg:#FFF8F4;
  --bg-2:#FFF1E9;
  --dark:#16110E;
  --line:#F0E4DC;
  --white:#FFFFFF;
  --ok:#00A88F;
  --warn:#E0A100;
  --err:#D93A2B;
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 4px rgba(29,24,21,.04);
  --sh-2:0 14px 34px rgba(255,90,31,.14);
  --sh-3:0 24px 60px rgba(255,61,94,.20);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,transform .2s ease}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.num{font-variant-numeric:tabular-nums;letter-spacing:.01em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.narrow{max-width:840px}

/* 顶部滚动进度 */
.progress-bar{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:120;transition:width .12s linear;border-radius:0 3px 3px 0}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,248,244,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(6px);
  transition:padding .28s ease,background .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{padding:10px 16px 0;background:transparent;border-bottom-color:transparent;backdrop-filter:none}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;gap:22px;height:68px;
  transition:background .28s ease,border-radius .28s ease,box-shadow .28s ease,padding .28s ease;
}
.site-header.is-scrolled .header-inner{
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:0 12px 30px rgba(255,90,31,.12);
  padding:0 20px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
  box-shadow:0 8px 18px rgba(255,61,94,.28);letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.06em;color:var(--ink-3)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:6px}
.nav-link{
  position:relative;padding:8px 12px;border-radius:10px;font-size:15px;color:var(--ink-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover{color:var(--ink);background:var(--bg-2)}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:16px}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 10px 0 12px;
  width:268px;background:#fff;border:1px solid var(--line);border-radius:12px;
  color:var(--ink-3);font-size:13.5px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,31,.14)}
.search-box i{font-size:13px;color:var(--ink-3)}
.search-box input{border:0;outline:0;background:transparent;flex:1;min-width:0;font-size:13.5px}
.search-box input::placeholder{color:var(--ink-3)}
.kbd{
  font-size:11px;padding:2px 6px;border-radius:6px;background:var(--bg-2);
  border:1px solid var(--line);color:var(--ink-3);font-family:ui-monospace,monospace;
}
.quick{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2)}
.quick a:hover{color:var(--brand)}
.quick i{color:var(--line);font-style:normal}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;font-weight:700;font-size:15px;border-radius:var(--r-pill);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  height:46px;padding:0 24px;color:#fff;background:var(--grad);
  box-shadow:0 10px 24px rgba(255,61,94,.26);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,61,94,.32);filter:saturate(1.06)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,61,94,.24)}
.btn-ghost{
  height:46px;padding:0 22px;background:#fff;border:1px solid var(--line);color:var(--ink);border-radius:14px;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;font-size:14px;padding:0 18px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none!important;box-shadow:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;background:#fff;border:1px solid var(--line);
  cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:130;background:var(--bg);
  padding:24px 24px 40px;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:18px;cursor:pointer}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  font-size:20px;font-weight:700;padding:14px 0;line-height:3.2;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--brand)}
.drawer-cta{margin-top:auto;width:100%;height:54px}

/* 页头 */
.page-hero{
  position:relative;overflow:hidden;padding:72px 0 64px;
  background:
    radial-gradient(900px 380px at 10% -12%,rgba(255,90,31,.16),transparent 70%),
    radial-gradient(720px 320px at 92% 0%,rgba(0,194,168,.13),transparent 72%),
    linear-gradient(180deg,#FFF1E9 0%,#FFF8F4 100%);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.75;
  background-image:radial-gradient(rgba(29,24,21,.055) 1px,transparent 1px);
  background-size:22px 22px;
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);margin-bottom:20px}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--ink-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,90,31,.10);color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.04em;
  margin-bottom:18px;
}
.page-hero h1{font-size:44px;line-height:1.25;font-weight:800;letter-spacing:-.01em;max-width:900px}
.page-hero .lede{margin-top:18px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:720px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);
}
.tag i{color:var(--cyan);font-size:12px}

/* 板块通用 */
.section{padding:96px 0}
.section-alt{background:var(--bg-2)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .eyebrow{margin-bottom:14px}
.section-head h2{font-size:32px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:14.5px;
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.text-link:hover{border-bottom-color:var(--brand)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* Bento */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.b-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;display:flex;flex-direction:column;gap:12px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.b-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.35)}
.b-lg{grid-column:span 6;padding:0;overflow:hidden}
.b-sm{grid-column:span 3}
.b-card .card-icon{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,90,31,.10);color:var(--brand);font-size:18px;flex:none;
}
.b-card .card-icon.cyan{background:rgba(0,194,168,.12);color:#009B86}
.b-card .card-icon.amber{background:rgba(255,194,75,.20);color:#B4791B}
.b-card .card-icon.purple{background:rgba(124,58,237,.12);color:var(--purple)}
.b-card h3{font-size:20px;font-weight:700;line-height:1.45}
.b-card p{color:var(--ink-2);font-size:14.5px;line-height:1.75}
.b-lg .media{position:relative;aspect-ratio:16/9;overflow:hidden}
.b-lg .media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.b-lg:hover .media img{transform:scale(1.03)}
.b-lg .media .badge-float{
  position:absolute;left:18px;top:18px;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(22,17,14,.72);color:#fff;font-size:12.5px;display:inline-flex;align-items:center;gap:6px;
}
.b-lg .body{padding:24px;display:flex;flex-direction:column;gap:12px}
.badge-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-cat.c1{background:rgba(255,90,31,.12);color:var(--brand-dark)}
.badge-cat.c2{background:rgba(0,194,168,.14);color:#008B77}
.badge-cat.c3{background:rgba(255,194,75,.24);color:#9A6610}
.badge-cat.c4{background:rgba(124,58,237,.12);color:var(--purple)}

/* 步骤条 */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding-top:8px}
.steps::before{
  content:"";position:absolute;top:35px;left:9%;right:9%;height:2px;border-radius:2px;
  background:var(--grad);opacity:.3;
}
.step{position:relative;text-align:center;background:transparent}
.step-num{
  position:relative;z-index:1;width:56px;height:56px;margin:0 auto 16px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:800;color:var(--brand);
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  border:2px solid transparent;box-shadow:0 8px 20px rgba(255,90,31,.14);
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75;max-width:250px;margin:0 auto}
.step .step-meta{display:inline-block;margin-top:12px;font-size:12.5px;color:var(--ink-3)}

/* 数据徽章条 */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.3)}
.stat .num{font-size:34px;font-weight:800;color:var(--brand);line-height:1.1;display:block}
.stat .num.cyan{color:#00A38C}
.stat .num.amber{color:#C98A1B}
.stat .num.purple{color:var(--purple)}
.stat .label{margin-top:10px;font-size:14px;color:var(--ink-2)}

/* 清单区 */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.3)}
.check-card h3{font-size:18px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.check-card h3 i{color:var(--brand)}
.check-list li{position:relative;padding-left:22px;margin-bottom:12px;font-size:15px;color:var(--ink-2);line-height:1.75}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:50%;background:var(--grad);
}
.check-list.dot li::before{background:var(--cyan);border-radius:2px;transform:rotate(45deg);width:8px;height:8px}

/* FAQ */
.faq-list{max-width:840px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:18px;margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(255,90,31,.3)}
.faq-item[open]{border-color:rgba(255,90,31,.4);box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 58px 20px 24px;font-size:17px;font-weight:700;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:24px;line-height:1;color:var(--brand);transition:transform .2s ease-out;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-body{padding:0 24px 22px;color:var(--ink-2);font-size:15px;line-height:1.85;background:var(--bg)}

/* 资讯卡片 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.3)}
.news-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .thumb img{transform:scale(1.03)}
.news-card .thumb .badge-cat{position:absolute;left:14px;top:14px}
.news-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card h3{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:14px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);padding-top:14px;border-top:1px solid var(--line)}
.news-card .meta .arrow{color:var(--brand);transition:transform .2s ease}
.news-card:hover .meta .arrow{transform:translateX(4px)}

/* CTA 大卡 */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:56px;color:#fff;
  background:var(--grad);box-shadow:var(--sh-3);
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);background-size:20px 20px;
}
.cta-card > *{position:relative;z-index:1}
.cta-card h2{font-size:30px;font-weight:800;line-height:1.35;letter-spacing:-.01em;max-width:560px}
.cta-card p{margin-top:12px;font-size:16px;line-height:1.8;color:rgba(255,248,244,.92);max-width:560px}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.btn-white{height:52px;padding:0 28px;background:#fff;color:var(--brand-dark);border-radius:var(--r-pill);font-weight:800}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(22,17,14,.2)}
.cta-link{color:#fff;font-weight:700;border-bottom:1px solid rgba(255,255,255,.6);padding-bottom:2px}
.cta-link:hover{border-bottom-color:#fff}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,248,244,.78);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text em{color:rgba(255,248,244,.5)}
.f-brand p{margin-top:18px;font-size:14.5px;line-height:1.8;color:rgba(255,248,244,.66);max-width:340px}
.f-note{margin-top:12px;font-size:13px;color:var(--amber)!important}
.socials{display:flex;gap:12px;margin-top:20px}
.socials a{
  width:40px;height:40px;border-radius:12px;background:rgba(255,248,244,.08);
  display:flex;align-items:center;justify-content:center;color:rgba(255,248,244,.8);font-size:15px;
}
.socials a:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.f-col h4{font-size:13px;letter-spacing:.06em;color:rgba(255,248,244,.5);font-weight:700;margin-bottom:18px}
.f-col li{margin-bottom:2px}
.f-col a{display:inline-block;font-size:15px;line-height:2.2;color:rgba(255,248,244,.82)}
.f-col a:hover{color:var(--brand);transform:translateX(2px)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,248,244,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,248,244,.55);
}
.footer-bottom .lic{color:rgba(255,248,244,.4)}

/* 浮动 CTA + 回顶 */
.float-cta{
  position:fixed;right:24px;bottom:28px;z-index:90;
  display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 16px 34px rgba(255,61,94,.3);
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta.is-quiet{opacity:.4}
.float-cta:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(255,61,94,.36)}
.back-top{
  position:fixed;left:24px;bottom:28px;z-index:90;width:48px;height:48px;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:var(--brand);cursor:pointer;
  box-shadow:var(--sh-1);opacity:0;pointer-events:none;transition:.28s ease;
}
.back-top.is-visible{opacity:1;pointer-events:auto}
.back-top:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand)}

/* 响应式 */
@media (max-width:1279px){
  .quick{display:none}
  .search-box{width:220px}
}
@media (max-width:1023px){
  .main-nav,.search-box{display:none}
  .nav-toggle{display:flex}
  .section{padding:64px 0}
  .page-hero{padding:52px 0 48px}
  .page-hero h1{font-size:34px}
  .bento .b-lg{grid-column:span 12}
  .bento .b-sm{grid-column:span 6}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px}
  .steps::before{display:none}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{padding:40px}
  .cta-card h2{font-size:26px}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .header-inner{padding:0 16px;gap:12px}
  .brand-text em{display:none}
  .page-hero{padding:40px 0 40px}
  .page-hero h1{font-size:30px;line-height:1.3}
  .page-hero .lede{font-size:15.5px}
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .bento .b-sm{grid-column:span 12}
  .steps{grid-template-columns:1fr;gap:28px}
  .stat-strip{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-card{padding:28px}
  .cta-card h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .btn-primary,.btn-ghost{height:48px}
  .float-cta{
    left:0;right:0;bottom:0;height:56px;border-radius:0;justify-content:center;
    padding:0 16px;padding-bottom:env(safe-area-inset-bottom);
  }
  .back-top{display:none}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E0440F;
  --brand-soft:rgba(255,90,31,.10);
  --grad:linear-gradient(120deg,#FF7A18,#FF3D5E,#E0338F);
  --cyan:#00C2A8;
  --cyan-soft:rgba(0,194,168,.12);
  --amber:#FFC24B;
  --purple:#7C3AED;
  --ink:#16110E;
  --bg:#FFF8F4;
  --bg-2:#FFF1E9;
  --card:#FFFFFF;
  --text:#1D1815;
  --muted:#6E625B;
  --faint:#9A8C84;
  --line:#F0E4DC;
  --danger:#D93A2B;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --r-2xl:28px;
  --sh-1:0 2px 4px rgba(29,24,21,.04);
  --sh-2:0 14px 34px rgba(255,90,31,.14);
  --num-font:"Sora","Inter","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Sora","Inter",-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0}
.num{font-family:var(--num-font);font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:min(1200px,100% - 48px);margin-inline:auto}
.section{padding:96px 0}
.section--alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section-head h2{font-size:32px;font-weight:700;letter-spacing:-.01em}
.section-head .lead{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85}

/* ============ 顶部滚动进度 ============ */
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:120;transition:width .12s linear}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:70;transition:padding .25s ease}
.nav-shell{
  max-width:1200px;margin:0 auto;height:68px;
  display:flex;align-items:center;gap:22px;
  padding:0 24px;
  background:rgba(255,248,244,.92);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:height .25s ease,margin .25s ease,border-radius .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{padding:10px 16px}
.site-header.is-scrolled .nav-shell{
  height:60px;border:1px solid var(--line);border-radius:16px;
  box-shadow:0 10px 26px rgba(255,90,31,.13);
  background:rgba(255,248,244,.95);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;
  box-shadow:0 6px 16px rgba(255,61,94,.28);letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16.5px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.06em;color:var(--faint);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:6px}
.main-nav .nav-link{
  position:relative;padding:9px 2px;font-size:15px;color:var(--muted);
  white-space:nowrap;transition:color .18s ease;
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.main-nav .nav-link:hover{color:var(--text)}
.main-nav .nav-link:hover::after{transform:scaleX(1)}
.main-nav .nav-link.is-active{color:var(--brand);font-weight:600}
.main-nav .nav-link.is-active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:250px;height:40px;padding:0 10px 0 12px;
  border:1px solid var(--line);border-radius:12px;background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.cmd-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,31,.12)}
.cmd-search svg{flex:0 0 auto;color:var(--faint)}
.cmd-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px}
.cmd-search input::placeholder{color:var(--faint);font-size:13.5px}
.cmd-search kbd{
  font-family:var(--num-font);font-size:11px;color:var(--muted);
  border:1px solid var(--line);background:var(--bg-2);border-radius:6px;padding:1px 5px;
}
.quick-links{font-size:13.5px;color:var(--faint);white-space:nowrap}
.quick-links a{color:var(--muted);transition:color .18s ease}
.quick-links a:hover{color:var(--brand)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease,background .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,90,31,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,61,94,.3)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,90,31,.24)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text);border-radius:14px}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--brand-dark);border-radius:999px}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(22,17,14,.18)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
  transition:color .18s ease;
}
.btn-link:hover{color:var(--brand-dark)}
.btn-link:disabled{opacity:.4;cursor:not-allowed}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer{
  position:fixed;inset:0;z-index:110;background:var(--bg);
  display:none;flex-direction:column;padding:22px 20px 0;
}
.drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;
  cursor:pointer;font-size:20px;line-height:1;color:var(--muted);
}
.drawer-nav{display:flex;flex-direction:column;gap:2px;flex:1}
.drawer-nav a{font-size:20px;padding:18px 6px;border-bottom:1px solid var(--line);color:var(--text)}
.drawer-nav a.is-active{color:var(--brand);font-weight:700}
.drawer-foot{padding:20px 0 28px;position:sticky;bottom:0;background:var(--bg)}
.drawer-foot .btn{width:100%;height:52px}

/* ============ 分类页头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:52px 0 64px;
  background:linear-gradient(160deg,#FFF3EA 0%,#FFF8F4 55%,#FFF1E9 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,90,31,.09) 1px,transparent 1px);
  background-size:18px 18px;opacity:.85;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,24,.20),rgba(224,51,143,.06) 60%,transparent 72%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--faint)}
.breadcrumb a{color:var(--muted);transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .cur{color:var(--faint)}
.page-hero h1{
  font-size:clamp(28px,4.6vw,44px);font-weight:800;letter-spacing:-.01em;
  max-width:920px;margin:20px 0 16px;line-height:1.25;
}
.page-hero .hero-note{max-width:660px;font-size:17px;color:var(--muted);line-height:1.8}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.badge-stat{
  display:flex;align-items:baseline;gap:8px;padding:10px 18px;border-radius:999px;
  background:rgba(255,255,255,.9);border:1px solid var(--line);box-shadow:var(--sh-1);
  font-size:13.5px;color:var(--muted);
}
.badge-stat b{font-family:var(--num-font);font-size:19px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.badge-stat.c b{color:var(--cyan)}
.badge-stat.a b{color:#B8860B}

/* ============ 异常现象卡 ============ */
.issue-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.issue-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.issue-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.32)}
.issue-card .idx{
  width:38px;height:38px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-weight:800;font-family:var(--num-font);margin-bottom:18px;
}
.issue-card h3{font-size:19px;font-weight:700;margin-bottom:10px;line-height:1.45}
.issue-card p{font-size:14.5px;color:var(--muted);line-height:1.85}
.issue-card .tag{
  display:inline-block;margin-top:16px;font-size:12px;padding:4px 10px;border-radius:6px;
  background:var(--cyan-soft);color:#00806F;font-weight:600;
}

/* ============ 对比表 ============ */
.compare{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.compare-col{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-xl);padding:32px 26px 28px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.compare-col:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.compare-col.is-recommended{
  border:2px solid var(--brand);transform:translateY(-8px);
  box-shadow:0 18px 40px rgba(255,90,31,.18);
}
.compare-col.is-recommended:hover{transform:translateY(-11px)}
.compare-col.is-recommended::before{
  content:"";position:absolute;left:-2px;right:-2px;top:-2px;height:6px;
  border-radius:22px 22px 0 0;background:var(--grad);
}
.rec-badge{
  position:absolute;top:-14px;right:24px;background:var(--grad);color:#fff;
  font-size:12px;font-weight:700;padding:5px 14px;border-radius:999px;
  box-shadow:0 6px 16px rgba(255,61,94,.3);
}
.compare-col h3{font-size:20px;font-weight:700;margin-top:6px}
.compare-col .csub{font-size:13.5px;color:var(--faint);margin:8px 0 18px;line-height:1.7}
.crow{display:grid;grid-template-columns:92px 1fr;gap:10px;padding:12px 0;border-top:1px solid var(--line);font-size:14px;line-height:1.7}
.crow .ck{color:var(--faint)}
.crow .cv{color:var(--text)}
.crow .cv.hi{color:var(--brand-dark);font-weight:600}
.compare-col .btn{width:100%;margin-top:22px}

/* ============ 双列清单 ============ */
.split-lists{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.list-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:36px 32px;box-shadow:var(--sh-1);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.list-card:hover{border-color:rgba(255,90,31,.3);box-shadow:var(--sh-2)}
.list-card .lc-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.list-card .lc-head span{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-size:16px;font-weight:700;
}
.list-card.do .lc-head span{background:var(--cyan-soft);color:#00806F}
.list-card.avoid .lc-head span{background:rgba(217,58,43,.10);color:var(--danger)}
.list-card h3{font-size:20px;font-weight:700}
.list-card .lc-sub{font-size:14px;color:var(--faint);margin-bottom:22px}
.list-card li{position:relative;padding-left:32px;margin-bottom:14px;font-size:15px;line-height:1.8;color:var(--muted)}
.list-card li:last-child{margin-bottom:0}
.list-card.do li::before{
  content:"✓";position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:50%;
  background:var(--cyan);color:#fff;font-size:12px;display:grid;place-items:center;font-weight:700;
}
.list-card.avoid li::before{
  content:"";position:absolute;left:7px;top:12px;width:7px;height:7px;border-radius:50%;background:var(--brand);
}

/* ============ 步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step:not(:last-child)::after{
  content:"";position:absolute;top:48px;right:-16px;width:12px;height:2px;
  background:linear-gradient(90deg,var(--brand),#FF3D5E);border-radius:2px;
}
.step .num-circle{
  width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:18px;font-family:var(--num-font);
  box-shadow:0 8px 18px rgba(255,61,94,.26);margin-bottom:16px;
}
.step h4{font-size:17px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.8}
.step-visual{
  margin-top:36px;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);
}
.step-visual img{width:100%;height:280px;object-fit:cover}

/* ============ 服务动态 ============ */
.news-list{border-top:1px solid var(--line)}
.news-item{
  display:grid;grid-template-columns:130px 1fr auto;gap:24px;align-items:center;
  padding:24px 6px;border-bottom:1px solid var(--line);
  transition:background .2s ease,transform .2s ease;
}
.news-item:hover{background:#fff;transform:translateX(3px)}
.news-item .date{font-family:var(--num-font);font-size:13.5px;color:var(--faint);letter-spacing:.02em}
.news-item h3{font-size:17px;font-weight:600;margin-bottom:6px;line-height:1.5}
.news-item p{font-size:14px;color:var(--muted);line-height:1.75}
.news-item .go{font-size:20px;color:var(--brand);transition:transform .2s ease}
.news-item:hover .go{transform:translateX(4px)}

/* ============ FAQ ============ */
.faq{max-width:840px;margin:0 auto}
.faq details{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.faq details:hover{border-color:rgba(255,90,31,.32)}
.faq details[open]{border-color:rgba(255,90,31,.38);background:#FFFDFB;box-shadow:var(--sh-1)}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17px;font-weight:600;line-height:1.6;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";flex:0 0 auto;font-size:22px;font-weight:400;color:var(--brand);
  transition:transform .2s ease;line-height:1;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq-body{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--muted)}

/* ============ CTA ============ */
.cta-wrap{
  position:relative;overflow:hidden;border-radius:var(--r-2xl);
  background:var(--grad);color:#fff;padding:56px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  box-shadow:0 24px 60px rgba(224,51,143,.24);
}
.cta-wrap::after{
  content:"";position:absolute;left:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 70%);pointer-events:none;
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{font-size:32px;font-weight:800;margin-bottom:16px;letter-spacing:-.01em;line-height:1.3}
.cta-copy p{font-size:16px;color:rgba(255,255,255,.9);line-height:1.85;margin-bottom:26px;max-width:460px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.cta-actions .btn-link{color:#fff}
.cta-actions .btn-link:hover{color:rgba(255,255,255,.8)}
.form-card{
  position:relative;z-index:2;background:#fff;border-radius:var(--r-lg);
  padding:30px;box-shadow:0 18px 44px rgba(22,17,14,.18);color:var(--text);
}
.form-card h3{font-size:18px;font-weight:700;margin-bottom:6px}
.form-card .fc-sub{font-size:13.5px;color:var(--faint);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;border:1px solid var(--line);border-radius:12px;
  padding:0 14px;background:#FFFDFB;font-size:15px;outline:0;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:92px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--faint)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,31,.14);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.form-card .btn{width:100%;height:50px;margin-top:6px}
.form-tip{font-size:12.5px;color:var(--faint);margin-top:12px;line-height:1.7;text-align:center}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,248,244,.78);padding:72px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px}
.foot-brand .brand-text strong{color:#FFF8F4}
.foot-brand .brand-text em{color:rgba(255,248,244,.5)}
.foot-desc{font-size:14px;line-height:1.85;color:rgba(255,248,244,.62);margin:18px 0 20px;max-width:300px}
.foot-tags{display:flex;flex-wrap:wrap;gap:8px}
.foot-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:rgba(255,248,244,.08);border:1px solid rgba(255,248,244,.14);color:rgba(255,248,244,.75);
}
.foot-title{font-size:13px;font-weight:600;letter-spacing:.06em;color:rgba(255,248,244,.55);margin-bottom:18px}
.foot-links li{margin-bottom:13px;font-size:15px}
.foot-links a{display:inline-block;color:rgba(255,248,244,.82);transition:color .18s ease,transform .18s ease}
.foot-links a:hover{color:var(--brand);transform:translateX(2px)}
.foot-bottom{
  border-top:1px solid rgba(255,248,244,.12);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13.5px;color:rgba(255,248,244,.55);
}

/* ============ 浮动组件 ============ */
.float-cta{
  position:fixed;right:24px;bottom:28px;z-index:80;
  display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;
  border-radius:999px;background:var(--grad);color:#fff;font-weight:600;font-size:15px;
  box-shadow:0 14px 30px rgba(255,61,94,.32);
  opacity:0;pointer-events:none;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease;
}
.float-cta.is-show{opacity:1;pointer-events:auto;transform:translateY(0)}
.float-cta:hover{transform:translateY(-2px)}
.to-top{
  position:fixed;right:28px;bottom:92px;z-index:79;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:var(--muted);cursor:pointer;
  display:grid;place-items:center;box-shadow:var(--sh-1);
  opacity:0;pointer-events:none;transition:opacity .3s ease,transform .2s ease,color .2s ease;
}
.to-top.is-show{opacity:1;pointer-events:auto}
.to-top:hover{color:var(--brand);transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .cmd-search{width:210px}
  .quick-links{display:none}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .cmd-search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-shell{gap:14px}
  .issue-grid{grid-template-columns:1fr 1fr}
  .compare{grid-template-columns:1fr}
  .compare-col.is-recommended{transform:none}
  .compare-col.is-recommended:hover{transform:translateY(-3px)}
  .steps{grid-template-columns:1fr 1fr}
  .step:not(:last-child)::after{display:none}
  .cta-wrap{grid-template-columns:1fr;padding:40px;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .container{width:min(1200px,100% - 32px)}
  .page-hero{padding:32px 0 44px}
  .page-hero h1{margin:16px 0 12px}
  .page-hero .hero-note{font-size:15.5px}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:24px}
  .issue-grid{grid-template-columns:1fr}
  .split-lists{grid-template-columns:1fr}
  .list-card{padding:28px 22px}
  .steps{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr;gap:8px;padding:20px 4px}
  .news-item .go{display:none}
  .cta-wrap{padding:32px 22px;border-radius:24px}
  .cta-copy h2{font-size:24px}
  .form-card{padding:24px 20px}
  .foot-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .site-footer{padding-top:52px}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;height:56px;justify-content:center;
    padding:0 16px calc(0px + env(safe-area-inset-bottom));
    transform:translateY(100%);
  }
  .float-cta.is-show{transform:translateY(0)}
  .to-top{display:none}
  .brand-text strong{font-size:15px}
  .brand-text em{font-size:10px}
}
@media (max-width:420px){
  .brand-text em{display:none}
  .hero-badges{gap:8px}
  .badge-stat{padding:8px 14px;font-size:12.5px}
}