/* roulang page: index */
:root{
  --brand-1:#E24B2E;
  --brand-1-dark:#B3352A;
  --brand-2:#0F7A6C;
  --brand-2-light:#14A08C;
  --brand-3:#F2B233;
  --grad-brand:linear-gradient(118deg,#E24B2E 0%,#F0773A 45%,#F2B233 100%);
  --grad-cool:linear-gradient(120deg,#0F7A6C 0%,#14A08C 100%);
  --bg:#FFF8F3;
  --bg-soft:#FDEFE7;
  --card:#FFFFFF;
  --dark:#1C1917;
  --ink:#1C1917;
  --ink-2:#57534E;
  --ink-3:#8A8580;
  --line:#F0E4DD;
  --line-2:#E7DAD2;
  --on-dark:#FFF8F3;
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:12px;
  --sh-1:0 4px 14px rgba(226,75,46,.06);
  --sh-2:0 12px 32px rgba(226,75,46,.10);
  --sh-3:0 24px 64px rgba(120,40,20,.14);
  --wrap:1200px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC", 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:1.85;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-1-dark);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(226,75,46,.28);outline-offset:2px;border-radius:6px;}

/* 容器 */
.grid-container{
  width:100%;
  max-width:var(--wrap);
  padding-left:32px;
  padding-right:32px;
  margin-left:auto;
  margin-right:auto;
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:700;line-height:1;
  padding:15px 28px;border-radius:999px;border:0;cursor:pointer;
  transition:transform .22s ease, box-shadow .22s ease, background-position .28s ease, background-color .2s ease, color .2s ease;
  text-align:center;
}
.btn-primary{
  color:#FFF8F3;
  background-image:var(--grad-brand);
  background-size:200% 100%;
  background-position:0% 50%;
  box-shadow:var(--sh-1);
}
.btn-primary:hover,.btn-primary:focus{
  color:#FFF8F3;
  background-position:60% 50%;
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  color:var(--brand-1);
  background:#FFFFFF;
  border:1.5px solid var(--brand-1);
}
.btn-ghost:hover,.btn-ghost:focus{
  color:var(--brand-1-dark);
  background:var(--bg-soft);
  transform:translateY(-2px);
}
.btn-sm{padding:11px 22px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand-1);
}
.link-arrow::after{content:"→";transition:transform .22s ease;}
.link-arrow:hover::after{transform:translateX(3px);}
.link-arrow:hover{text-decoration:underline;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease, background-color .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  box-shadow:var(--sh-1);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:26px;height:26px;border-radius:9px;
  background-image:var(--grad-brand);
  box-shadow:0 4px 12px rgba(226,75,46,.28);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;background:#FFF8F3;opacity:.9;
}
.brand-text{
  font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;
}
.main-nav ul{display:flex;align-items:center;gap:28px;}
.main-nav a{
  position:relative;display:block;padding:6px 0;
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color .2s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background-image:var(--grad-brand);
  transition:width .22s ease;
}
.main-nav a:hover{color:var(--brand-1);}
.main-nav a:hover::after{width:100%;}
.main-nav a.is-active{color:var(--brand-1);font-weight:700;}
.main-nav a.is-active::after{width:100%;}
.header-cta{display:flex;align-items:center;gap:18px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;
  padding:0;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease, opacity .2s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:88vw;
  background:#FFFFFF;z-index:90;
  transform:translateX(102%);
  transition:transform .3s cubic-bezier(.2,.8,.25,1);
  padding:88px 26px 32px;
  display:flex;flex-direction:column;gap:22px;
  box-shadow:-16px 0 48px rgba(120,40,20,.16);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer ul{display:flex;flex-direction:column;gap:4px;}
.drawer ul a{
  display:block;padding:14px 4px;font-size:18px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer ul a.is-active{color:var(--brand-1);}
.drawer-note{font-size:13px;color:var(--ink-3);line-height:1.7;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,25,23,.5);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .22s ease, visibility .22s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* 通用板块 */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--soft{background:var(--bg-soft);}
.section--white{background:#FFFFFF;}
.sec-head{max-width:720px;margin-bottom:48px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-title{
  font-size:clamp(24px,3.2vw,38px);font-weight:700;line-height:1.28;letter-spacing:-.01em;
}
.sec-title .accent{color:var(--brand-1);}
.sec-sub{margin-top:14px;font-size:16px;color:var(--ink-2);line-height:1.8;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-1);background:var(--bg-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}

/* Hero */
.hero{position:relative;overflow:hidden;padding:104px 0 96px;background:var(--bg);}
.hero-bg{
  position:absolute;top:0;right:0;width:46%;height:100%;
  background-image:var(--grad-brand);
  border-bottom-left-radius:40px;
  opacity:.96;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 22% 26%, rgba(255,255,255,.22) 0, rgba(255,255,255,0) 42%),
                   radial-gradient(circle at 78% 74%, rgba(255,255,255,.16) 0, rgba(255,255,255,0) 46%),
                   repeating-linear-gradient(135deg, rgba(255,255,255,.07) 0 2px, rgba(255,255,255,0) 2px 14px);
  border-bottom-left-radius:40px;
}
.hero-grid{position:relative;z-index:2;}
.hero-copy{max-width:620px;}
.hero-copy h1{
  font-size:clamp(30px,4.6vw,54px);font-weight:800;line-height:1.18;letter-spacing:-.01em;
}
.hero-copy h1 em{font-style:normal;color:var(--brand-1);}
.title-bar{display:block;width:64px;height:3px;border-radius:3px;background-image:var(--grad-brand);margin:24px 0;}
.hero-sub{font-size:18px;color:var(--ink-2);line-height:1.78;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px;}
.trust-row{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;}
.trust-row li{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ink-2);}
.check{
  width:16px;height:16px;border-radius:50%;background:rgba(15,122,108,.12);
  border:1.5px solid var(--brand-2);position:relative;flex-shrink:0;
}
.check::after{
  content:"";position:absolute;left:4px;top:1px;width:4px;height:8px;
  border-right:2px solid var(--brand-2);border-bottom:2px solid var(--brand-2);transform:rotate(40deg);
}

/* Hero 视觉 */
.hero-visual{position:relative;padding:12px 0 12px 24px;}
.hero-photo{
  border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-soft);
  box-shadow:var(--sh-3);border:6px solid #FFFFFF;
}
.hero-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-badge{
  position:absolute;left:-6px;bottom:6px;background:#FFFFFF;border-radius:var(--radius-md);
  padding:18px 24px;box-shadow:var(--sh-2);border:1px solid var(--line);
}
.hero-badge .num{
  display:block;font-size:clamp(30px,4vw,42px);font-weight:800;line-height:1;
  color:var(--brand-3);
}
.hero-badge .label{display:block;margin-top:8px;font-size:13px;color:var(--ink-3);font-weight:600;}
.hero-mini{
  position:absolute;right:-8px;top:0;width:230px;background:#FFFFFF;
  border-radius:var(--radius-md);padding:18px;box-shadow:var(--sh-2);border:1px solid var(--line);
}
.hero-mini .line{height:10px;border-radius:6px;background:var(--bg-soft);margin-bottom:10px;}
.hero-mini .line.short{width:60%;}
.hero-mini .btn{margin-top:6px;}

/* 痛点区 */
.pain-grid{align-items:flex-start;}
.pain-list{position:sticky;top:104px;display:flex;flex-direction:column;gap:10px;}
.pain-item{
  display:flex;align-items:flex-start;gap:14px;
  padding:16px 18px;border-radius:var(--radius-sm);cursor:pointer;
  border:1px solid transparent;transition:background-color .22s ease, border-color .22s ease;
}
.pain-item:hover{background:#FFFFFF;border-color:var(--line);}
.pain-item.is-active{background:#FFFFFF;border-color:var(--line);box-shadow:var(--sh-1);}
.pain-num{
  font-size:22px;font-weight:800;color:var(--brand-3);line-height:1.3;flex-shrink:0;
}
.pain-item p{font-size:15px;font-weight:600;color:var(--ink-2);line-height:1.6;}
.pain-item.is-active p{color:var(--ink);}
.pain-panel{display:none;}
.pain-panel.is-active{display:block;}
.pain-card{
  background:var(--bg-soft);border-radius:var(--radius-md);
  padding:34px 34px 34px 30px;position:relative;overflow:hidden;
}
.pain-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background-image:var(--grad-brand);
}
.pain-card h3{font-size:clamp(19px,2vw,24px);font-weight:700;margin-bottom:14px;}
.pain-card p{font-size:16px;color:var(--ink-2);line-height:1.85;}
.pain-card p + p{margin-top:12px;}
.pain-points{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.pain-points li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);}
.pain-points li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--brand-1);margin-top:11px;flex-shrink:0;}

/* 方案卡片 */
.plan-card{
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:28px;box-shadow:var(--sh-1);height:100%;
  transition:transform .26s cubic-bezier(.2,.7,.3,1), box-shadow .26s ease;
  display:flex;flex-direction:column;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.plan-card--feature{
  flex-direction:row;gap:30px;border-radius:var(--radius-lg);padding:30px;align-items:center;
}
.plan-card--feature .plan-media{flex:0 0 44%;border-radius:var(--radius-md);overflow:hidden;background:var(--bg-soft);}
.plan-card--feature .plan-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease;}
.plan-card--feature:hover .plan-media img{transform:scale(1.03);}
.plan-media{overflow:hidden;border-radius:var(--radius-md);background:var(--bg-soft);margin-bottom:20px;}
.plan-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease;}
.plan-card:hover .plan-media img{transform:scale(1.03);}
.badge{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.02em;
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.badge--green{background:rgba(15,122,108,.10);color:var(--brand-2);}
.badge--gold{background:rgba(242,178,51,.16);color:#9A6A08;}
.badge--orange{background:rgba(226,75,46,.10);color:var(--brand-1);}
.plan-card h3{font-size:clamp(19px,2vw,24px);font-weight:700;line-height:1.4;margin-bottom:12px;}
.plan-card p{font-size:15px;color:var(--ink-2);line-height:1.8;}
.plan-points{margin:18px 0 20px;display:flex;flex-direction:column;gap:9px;}
.plan-points li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);}
.plan-points li .check{margin-top:5px;}
.plan-card .link-arrow{margin-top:auto;}
.plan-stack{display:flex;flex-direction:column;gap:24px;height:100%;}

/* 步骤条 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px;position:relative;box-shadow:var(--sh-1);
  transition:transform .26s ease, box-shadow .26s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;background-image:var(--grad-brand);
  color:#FFF8F3;font-weight:800;font-size:16px;margin-bottom:16px;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.step p{font-size:14.5px;color:var(--ink-2);line-height:1.78;}

/* 数据区 */
.stats{
  background:var(--dark);color:var(--on-dark);position:relative;padding:88px 0;
  border-top:2px solid transparent;
  background-image:linear-gradient(var(--dark),var(--dark)),var(--grad-cool);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.stats .sec-title{color:var(--on-dark);}
.stats .sec-sub{color:rgba(255,248,243,.72);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-md);padding:28px 24px;
}
.stat .num{
  display:block;font-size:clamp(34px,5vw,54px);font-weight:800;line-height:1;
  color:var(--brand-3);margin-bottom:14px;
}
.stat .name{display:block;font-size:14px;font-weight:600;color:rgba(255,248,243,.92);}
.stat .src{display:block;margin-top:8px;font-size:12px;color:rgba(255,248,243,.5);line-height:1.7;}
.stats-note{
  margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  font-size:12px;color:rgba(255,248,243,.5);
}

/* 最新信息 */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.news-grid{margin-bottom:0;}
.news-feature{
  display:flex;gap:30px;background:#FFFFFF;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px;box-shadow:var(--sh-1);margin-bottom:24px;
  transition:transform .26s ease, box-shadow .26s ease;align-items:center;
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.news-feature .nf-media{flex:0 0 42%;border-radius:var(--radius-md);overflow:hidden;background:var(--bg-soft);}
.news-feature .nf-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease;}
.news-feature:hover .nf-media img{transform:scale(1.03);}
.news-feature h3{font-size:clamp(19px,2vw,26px);font-weight:700;line-height:1.42;margin:12px 0 12px;}
.news-feature p{font-size:15px;color:var(--ink-2);line-height:1.8;}
.news-card{
  display:flex;flex-direction:column;height:100%;background:#FFFFFF;
  border:1px solid var(--line);border-radius:var(--radius-md);padding:20px;
  box-shadow:var(--sh-1);transition:transform .26s ease, box-shadow .26s ease;margin-bottom:24px;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.news-card .nc-media{border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-soft);margin-bottom:16px;}
.news-card .nc-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .nc-media img{transform:scale(1.03);}
.news-card h3{
  font-size:17px;font-weight:700;line-height:1.55;margin:10px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:15px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.nc-meta,.nf-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--ink-3);
}
.nc-meta{margin-top:auto;padding-top:16px;}
.dot{width:4px;height:4px;border-radius:50%;background:var(--line-2);display:inline-block;}
.cms-empty{
  background:var(--bg-soft);border-radius:var(--radius-md);padding:48px 24px;text-align:center;
}
.cms-empty .empty-ico{
  width:46px;height:46px;border-radius:50%;border:2px solid var(--brand-2);
  margin:0 auto 16px;position:relative;
}
.cms-empty .empty-ico::after{
  content:"";position:absolute;left:14px;top:11px;width:10px;height:16px;
  border-right:2px solid var(--brand-2);border-bottom:2px solid var(--brand-2);transform:rotate(40deg);
}
.cms-empty p{font-size:15px;color:var(--ink-2);}
.cms-empty .btn{margin-top:20px;}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:#FFFFFF;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;
  transition:box-shadow .24s ease, border-color .24s ease;
}
.faq-item.is-open{box-shadow:var(--sh-1);border-color:#F3D9CD;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:20px 22px;font-size:17px;font-weight:700;color:var(--ink);line-height:1.55;
}
.faq-ico{
  position:relative;flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1.5px solid var(--brand-2);
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--brand-2);border-radius:2px;
  transition:transform .24s ease, opacity .24s ease;
}
.faq-ico::before{left:7px;top:12px;width:10px;height:2px;}
.faq-ico::after{left:11px;top:8px;width:2px;height:10px;}
.faq-item.is-open .faq-ico::after{transform:rotate(90deg);opacity:0;}
.faq-a{display:none;padding:0 22px 22px;font-size:15px;color:var(--ink-2);line-height:1.85;}
.faq-item.is-open .faq-a{display:block;}

/* CTA 条 + 隐私 */
.cta-band{
  background:var(--bg-soft);border-radius:var(--radius-lg);
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  border:1px solid #F7E2D7;
}
.cta-band h2{font-size:clamp(21px,2.6vw,30px);font-weight:700;line-height:1.35;}
.cta-band p{margin-top:12px;font-size:15px;color:var(--ink-2);max-width:620px;}
.privacy{
  margin-top:32px;padding:26px 28px;background:#FFFFFF;border:1px solid var(--line);
  border-radius:var(--radius-md);
}
.privacy h3{font-size:16px;font-weight:700;margin-bottom:10px;}
.privacy p{font-size:13px;color:var(--ink-3);line-height:1.85;}
.privacy a{font-weight:600;}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,248,243,.72);padding:72px 0 28px;position:relative;}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;background-image:var(--grad-brand);opacity:.9;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.site-footer .brand-text{color:var(--on-dark);}
.footer-desc{font-size:13px;line-height:1.85;color:rgba(255,248,243,.6);}
.footer-contact{margin-top:16px;font-size:13px;color:rgba(255,248,243,.6);}
.footer-contact a{color:var(--brand-3);}
.footer-title{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--on-dark);margin-bottom:16px;
}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14px;color:rgba(255,248,243,.66);}
.footer-list a:hover{color:var(--brand-3);}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,248,243,.5);
}
.footer-bottom a{color:rgba(255,248,243,.5);}
.footer-bottom a:hover{color:var(--brand-3);}

/* 弹层 */
.modal-mask{
  position:fixed;inset:0;background:rgba(28,25,23,.55);z-index:120;
  opacity:0;visibility:hidden;transition:opacity .18s ease, visibility .18s ease;
  display:flex;align-items:center;justify-content:center;padding:24px;
}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal{
  width:520px;max-width:100%;background:#FFFFFF;border-radius:var(--radius-lg);
  position:relative;overflow:hidden;box-shadow:var(--sh-3);
  transform:translateY(24px);transition:transform .26s cubic-bezier(.2,.8,.25,1);
  max-height:90vh;overflow-y:auto;
}
.modal-mask.is-open .modal{transform:translateY(0);}
.modal::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background-image:var(--grad-brand);}
.modal-inner{padding:34px 32px 30px;}
.modal h3{font-size:22px;font-weight:700;margin-bottom:10px;}
.modal .modal-sub{font-size:14px;color:var(--ink-2);line-height:1.75;margin-bottom:22px;}
.modal-close{
  position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);background:#FFFFFF;cursor:pointer;color:var(--ink-2);
  font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center;
  transition:background-color .2s ease, color .2s ease;
}
.modal-close:hover{background:var(--bg-soft);color:var(--brand-1);}
.form-field{margin-bottom:16px;}
.form-field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:8px;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;height:48px;border-radius:var(--radius-sm);border:1px solid var(--line-2);
  padding:0 14px;font-size:15px;font-family:inherit;color:var(--ink);background:#FFFDFB;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.form-field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(226,75,46,.18);
}
.form-field.has-error input,.form-field.has-error select{border-color:#C0392B;}
.form-tip{display:none;margin-top:6px;font-size:12px;color:#C0392B;}
.form-field.has-error .form-tip{display:block;}
.modal-foot{margin-top:16px;font-size:12px;color:var(--ink-3);line-height:1.7;}

/* 移动吸底 */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.96);border-top:1px solid var(--line);
  padding:12px 18px;box-shadow:0 -8px 24px rgba(226,75,46,.08);
}
.mobile-cta .btn{width:100%;}

/* 响应式 */
@media (max-width:1199px){
  .hero-visual{padding-left:8px;}
  .hero-mini{right:0;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:72px 0 64px;}
  .hero-bg{width:60%;opacity:.14;border-bottom-left-radius:0;}
  .hero-bg::after{display:none;}
  .hero-visual{margin-top:48px;padding:0;}
  .hero-mini{position:static;width:100%;margin-top:20px;}
  .hero-badge{position:static;margin-top:20px;display:inline-block;}
  .pain-list{position:static;margin-bottom:24px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .plan-card--feature{flex-direction:column;align-items:stretch;}
  .plan-card--feature .plan-media{flex:none;}
  .news-feature{flex-direction:column;align-items:stretch;}
  .news-feature .nf-media{flex:none;}
}
@media (max-width:640px){
  .grid-container{padding-left:18px;padding-right:18px;}
  body{font-size:16px;}
  .header-inner{height:60px;}
  .brand-text{font-size:17px;}
  .section{padding:56px 0;}
  .hero{padding:56px 0 48px;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .trust-row{gap:14px;flex-direction:column;align-items:flex-start;}
  .steps{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px;}
  .cta-band .btn{width:100%;}
  .pain-card{padding:24px 22px 24px 20px;}
  .news-feature{padding:20px;}
  .mobile-cta{display:block;}
  body{padding-bottom:76px;}
  .modal-inner{padding:28px 20px 24px;}
  .modal-mask{padding:0;align-items:flex-end;}
  .modal{width:100%;border-radius:28px 28px 0 0;max-height:92vh;}
}

/* roulang page: article */
:root{
  --brand-1:#E24B2E;
  --brand-1-dark:#B3352A;
  --brand-2:#0F7A6C;
  --brand-2-light:#14A08C;
  --brand-3:#F2B233;
  --grad-brand:linear-gradient(118deg,#E24B2E 0%,#F0773A 45%,#F2B233 100%);
  --grad-cool:linear-gradient(120deg,#0F7A6C 0%,#14A08C 100%);
  --bg:#FFF8F3;
  --bg-soft:#FDEFE7;
  --card:#FFFFFF;
  --dark:#1C1917;
  --text:#1C1917;
  --text-2:#57534E;
  --text-3:#8A8580;
  --line:#F0E4DD;
  --line-strong:#E7DAD2;
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:12px;
  --sh-1:0 4px 14px rgba(226,75,46,.06);
  --sh-2:0 12px 32px rgba(226,75,46,.10);
  --sh-3:0 24px 64px rgba(120,40,20,.14);
  --container:1200px;
  --sec-gap:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-1-dark)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:3px solid rgba(226,75,46,.28);outline-offset:2px;border-radius:6px}

.grid-container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%}
.section{padding:var(--sec-gap) 0}
.section--tight{padding:56px 0}
.section--soft{background:var(--bg-soft)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--brand-1);text-transform:uppercase}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--grad-brand)}
.sec-title{font-size:clamp(24px,3.2vw,38px);line-height:1.28;margin:14px 0 12px}
.sec-sub{font-size:16px;color:var(--text-2);max-width:760px}

.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(255,255,255,.94)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--grad-brand);position:relative;flex:0 0 auto;box-shadow:var(--sh-1)}
.brand-mark::after{content:"";position:absolute;inset:8px;border-radius:50%;border:2px solid rgba(255,255,255,.92)}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em}
.main-nav ul{display:flex;align-items:center;gap:28px;margin:0;padding:0;list-style:none}
.main-nav a{position:relative;display:inline-block;padding:6px 0;font-size:15.5px;font-weight:600;color:var(--text-2)}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;border-radius:2px;background:var(--grad-brand);transition:width .22s ease}
.main-nav a:hover{color:var(--brand-1)}
.main-nav a:hover::after{width:100%}
.main-nav a.is-active{color:var(--text);font-weight:700}
.main-nav a.is-active::after{width:100%}
.header-cta{display:flex;align-items:center;gap:18px}
.link-arrow{font-size:14.5px;font-weight:600;color:var(--brand-1);display:inline-flex;align-items:center}
.link-arrow::after{content:"→";margin-left:6px;transition:transform .2s ease}
.link-arrow:hover::after{transform:translateX(3px)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;border-radius:999px;font-weight:700;font-size:16px;
  padding:14px 28px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background-position .3s ease,background-color .2s ease,color .2s ease;
}
.btn-primary{background-image:var(--grad-brand);background-size:200% 100%;background-position:0% 50%;color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{color:#fff;background-position:100% 50%;box-shadow:var(--sh-2);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-ghost{background:#fff;border:1.5px solid var(--brand-1);color:var(--brand-1);padding:12.5px 26px}
.btn-ghost:hover{background:var(--bg-soft);color:var(--brand-1-dark)}
.btn-sm{padding:10px 20px;font-size:14.5px}
.btn-block{width:100%}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line-strong);background:#fff;border-radius:12px;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.drawer-mask{position:fixed;inset:0;background:rgba(28,25,23,.5);opacity:0;visibility:hidden;transition:opacity .2s ease;z-index:80}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{position:fixed;top:0;right:0;height:100%;width:320px;max-width:100%;background:#fff;z-index:90;transform:translateX(100%);transition:transform .28s cubic-bezier(.2,.8,.25,1);display:flex;flex-direction:column;padding:22px 22px 28px;overflow-y:auto}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line-strong);background:#fff;font-size:20px;line-height:1;cursor:pointer}
.drawer-nav ul{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:4px}
.drawer-nav a{display:block;padding:13px 12px;border-radius:12px;font-size:17px;font-weight:600;color:var(--text)}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--bg-soft);color:var(--brand-1)}
.drawer-cta{margin-top:20px}
.drawer-note{margin-top:16px;font-size:13px;color:var(--text-3);line-height:1.7}

.page-head{position:relative;overflow:hidden;padding:28px 0 0;background:var(--bg)}
.page-head::before{content:"";position:absolute;top:-180px;right:-140px;width:520px;height:520px;border-radius:50%;background:var(--grad-brand);opacity:.10;pointer-events:none}
.crumb{position:relative;font-size:14px;color:var(--text-3)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--line-strong)}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand-1)}
.crumb [aria-current="page"]{color:var(--text-2)}

.article-head{position:relative;padding:28px 0 36px;max-width:820px}
.pill{display:inline-flex;align-items:center;padding:5px 14px;border-radius:999px;background:rgba(15,122,108,.10);color:var(--brand-2);font-size:13px;font-weight:600;letter-spacing:.02em}
.article-title{font-size:clamp(28px,4vw,46px);line-height:1.22;font-weight:800;margin:18px 0 0}
.title-bar{width:64px;height:3px;border-radius:3px;background:var(--grad-brand);margin:20px 0 22px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.meta-dot{width:5px;height:5px;border-radius:50%;background:var(--line-strong);display:inline-block}
.article-cover{margin:0 0 8px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--sh-2);background:var(--bg-soft);aspect-ratio:16/9}
.article-cover img{width:100%;height:100%;object-fit:cover}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 268px;gap:56px;align-items:start;padding-top:56px;padding-bottom:8px}
.article-main{max-width:800px;width:100%;min-width:0}
.article-body{font-size:17px;line-height:1.9;color:var(--text)}
.article-body>*+*{margin-top:1.2em}
.article-body h2{font-size:clamp(21px,2.3vw,28px);line-height:1.35;margin-top:52px;padding-left:16px;position:relative;scroll-margin-top:100px}
.article-body h2::before{content:"";position:absolute;left:0;top:.28em;width:4px;height:20px;border-radius:3px;background:var(--grad-brand)}
.article-body h3{font-size:clamp(18px,1.9vw,22px);line-height:1.4;margin-top:36px}
.article-body p{color:#2A2523}
.article-body a{color:var(--brand-1);text-decoration:none;border-bottom:1px solid rgba(226,75,46,.35)}
.article-body a:hover{color:var(--brand-1-dark);border-bottom-color:var(--brand-1-dark)}
.article-body ul,.article-body ol{margin:1.2em 0;padding-left:1.4em}
.article-body ul{list-style:none;padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin:.5em 0}
.article-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand-1)}
.article-body ol{list-style:decimal}
.article-body ol li{margin:.5em 0;padding-left:4px}
.article-body blockquote{margin:1.6em 0;padding:18px 22px;background:var(--bg-soft);border-left:4px solid var(--brand-2);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-weight:600;color:#2A2523}
.article-body img{border-radius:16px;margin:1.6em auto;box-shadow:var(--sh-1)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--text-3)}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border-radius:12px;overflow:hidden;box-shadow:var(--sh-1)}
.article-body thead th{background:var(--bg-soft);color:#2A2523;font-weight:700;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FFFAF6}
.article-body code{background:var(--bg-soft);padding:2px 6px;border-radius:6px;font-size:.92em;color:var(--brand-1-dark)}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.4em 0}

.article-aside{position:sticky;top:104px}
.toc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 20px 22px;box-shadow:var(--sh-1)}
.toc-title{font-size:14px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:8px;margin-bottom:12px}
.toc-title::before{content:"";width:14px;height:3px;border-radius:2px;background:var(--grad-brand)}
.toc-card ol{list-style:none;margin:0;padding:0;counter-reset:toc}
.toc-card li{counter-increment:toc;margin:2px 0}
.toc-card a{display:block;padding:7px 10px 7px 30px;position:relative;border-radius:10px;font-size:14px;color:var(--text-2);line-height:1.55}
.toc-card a::before{content:counter(toc,decimal-leading-zero);position:absolute;left:8px;top:7px;font-size:12px;font-weight:700;color:var(--brand-3);font-variant-numeric:tabular-nums}
.toc-card a:hover{background:var(--bg-soft);color:var(--brand-1)}
.toc-card a.is-current{background:var(--bg-soft);color:var(--brand-1);font-weight:600}

.empty-card{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-md);padding:48px 28px;text-align:center}
.empty-icon{width:52px;height:52px;border-radius:16px;border:2px solid var(--brand-2);margin:0 auto 16px;position:relative}
.empty-icon::after{content:"";position:absolute;inset:14px;border-radius:6px;background:rgba(15,122,108,.16)}
.empty-card h3{font-size:20px;margin-bottom:8px}
.empty-card p{color:var(--text-2);font-size:15px;margin-bottom:20px}

.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line)}
.tag-label{font-size:13px;color:var(--text-3);font-weight:600;margin-right:4px}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;background:var(--bg-soft);color:var(--brand-1-dark);font-size:13px;font-weight:600}
.tag:hover{background:rgba(226,75,46,.14);color:var(--brand-1-dark)}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:22px}
.share-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-strong);background:#fff;display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);cursor:pointer;transition:color .2s ease,border-color .2s ease,transform .2s ease}
.share-btn:hover{color:var(--brand-1);border-color:var(--brand-1);transform:translateY(-2px)}
.share-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

.cta-band{margin-top:64px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px 34px;display:flex;align-items:center;justify-content:space-between;gap:26px}
.cta-band h3{font-size:22px;margin-bottom:8px}
.cta-band p{color:var(--text-2);font-size:15px;max-width:560px}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}

.grid-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:36px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .26s cubic-bezier(.2,.7,.3,1),box-shadow .26s ease}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.post-thumb{aspect-ratio:16/10;background:var(--bg-soft);overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.post-card h3{font-size:18px;line-height:1.45}
.post-card p{font-size:14.5px;color:var(--text-2);line-height:1.75}
.post-card .link-arrow{margin-top:auto;font-size:14px}

.privacy-strip{background:#fff;border-top:1px solid var(--line);padding:44px 0}
.privacy-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;align-items:start}
.privacy-inner h3{font-size:18px;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.privacy-inner h3::before{content:"";width:16px;height:3px;border-radius:2px;background:var(--grad-cool)}
.privacy-inner p{font-size:13.5px;color:var(--text-3);line-height:1.8}

.site-footer{background:var(--dark);color:#FFF8F3;position:relative;margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding:64px 0 44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#FFF8F3;font-size:18px;font-weight:800}
.footer-desc{font-size:13.5px;color:rgba(255,248,243,.62);line-height:1.8;max-width:320px}
.footer-contact{margin-top:14px;font-size:13.5px;color:rgba(255,248,243,.62)}
.footer-contact a{color:var(--brand-3)}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.06em;color:rgba(255,248,243,.5);margin-bottom:16px}
.footer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-list a{font-size:14px;color:rgba(255,248,243,.78)}
.footer-list a:hover{color:var(--brand-3)}
.footer-bottom{border-top:1px solid rgba(255,248,243,.12);padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,248,243,.55)}
.footer-bottom a{color:rgba(255,248,243,.7)}
.footer-bottom a:hover{color:var(--brand-3)}

.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:block}
.modal-mask{position:absolute;inset:0;background:rgba(28,25,23,.55);opacity:0;transition:opacity .18s ease}
.modal.is-visible .modal-mask{opacity:1}
.modal-panel{position:relative;z-index:2;width:520px;max-width:100%;background:#fff;border-radius:var(--radius-lg) var(--radius-lg) 0 0;margin:auto;position:absolute;left:50%;bottom:0;transform:translate(-50%,24px);opacity:0;transition:transform .26s cubic-bezier(.2,.8,.25,1),opacity .26s ease;padding:30px 30px 26px;box-shadow:var(--sh-3);max-height:92vh;overflow-y:auto}
.modal.is-visible .modal-panel{transform:translate(-50%,0);opacity:1}
.modal-bar{position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand);border-radius:var(--radius-lg) var(--radius-lg) 0 0}
.modal-close{position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:12px;border:1px solid var(--line-strong);background:#fff;font-size:18px;line-height:1;cursor:pointer}
.modal-close:hover{border-color:var(--brand-1);color:var(--brand-1)}
.modal-panel h3{font-size:22px;margin-bottom:8px}
.modal-sub{font-size:14px;color:var(--text-2);margin-bottom:20px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;color:var(--text-2)}
.form-field input,.form-field select,.form-field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--radius-sm);
  border:1px solid var(--line-strong);background:#fff;font-size:15px;transition:box-shadow .2s ease,border-color .2s ease;
}
.form-field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.6}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(226,75,46,.18)
}
.form-tip{font-size:12px;color:var(--text-3);margin-top:8px}
.form-note{font-size:12.5px;color:var(--text-3);line-height:1.75;margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.form-success{display:none;background:var(--bg-soft);border-radius:var(--radius-sm);padding:12px 14px;font-size:13.5px;color:var(--brand-2);margin-top:14px}
.form-success.is-show{display:block}

@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-aside{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:1023px){
  .grid-container{padding:0 24px}
  .main-nav,.header-cta{display:none}
  .nav-toggle{display:flex}
  :root{--sec-gap:72px}
  .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .privacy-inner{grid-template-columns:minmax(0,1fr);gap:24px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .header-inner{height:66px}
}
@media (max-width:767px){
  :root{--sec-gap:56px}
  .grid-container{padding:0 18px}
  .grid-cards{grid-template-columns:minmax(0,1fr);gap:16px}
  .article-body{font-size:16px}
  .article-body h2{margin-top:40px}
  .article-head{padding:20px 0 26px}
  .article-cover{border-radius:var(--radius-md)}
  .cta-band{padding:24px 20px;border-radius:var(--radius-md)}
  .footer-grid{grid-template-columns:minmax(0,1fr);padding:48px 0 32px}
  .footer-bottom{flex-direction:column}
  .modal-panel{width:100%;padding:26px 20px 22px}
  .article-layout{padding-top:36px}
  .btn{padding:13px 22px;font-size:15px}
}
@media (max-width:520px){
  .article-title{font-size:26px}
  .brand-text{font-size:17px}
  .article-meta{gap:8px}
}

/* roulang page: category2 */
:root{
  --brand-1:#E24B2E;
  --brand-1-dark:#B3352A;
  --brand-2:#0F7A6C;
  --brand-2-light:#14A08C;
  --brand-3:#F2B233;
  --grad-brand:linear-gradient(118deg,#E24B2E 0%,#F0773A 45%,#F2B233 100%);
  --grad-cool:linear-gradient(120deg,#0F7A6C 0%,#14A08C 100%);
  --bg:#FFF8F3;
  --card:#FFFFFF;
  --soft:#FDEFE7;
  --dark:#1C1917;
  --t1:#1C1917;
  --t2:#57534E;
  --t3:#8A8580;
  --line:#F0E4DD;
  --line-in:#E7DAD2;
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --sh-1:0 4px 14px rgba(226,75,46,.06);
  --sh-2:0 12px 32px rgba(226,75,46,.10);
  --sh-3:0 24px 64px rgba(120,40,20,.14);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
  overflow-x:hidden;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-1-dark);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(226,75,46,.28);outline-offset:2px;border-radius:6px;}

/* ---------- 容器与板块 ---------- */
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;}
.section{padding:88px 0;}
.section--soft{background:var(--soft);}
.section--tight{padding:56px 0;}
.section--dark{background:var(--dark);color:#FFF8F3;position:relative;}
.section--dark::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-cool);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3.2vw,38px);font-weight:700;line-height:1.28;letter-spacing:-.01em;}
.section-head p{margin-top:12px;color:var(--t2);font-size:15px;}
.title-bar{width:64px;height:3px;border-radius:2px;background:var(--grad-brand);margin:16px 0 18px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-2);text-transform:uppercase;}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-1);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(255,255,255,.94);}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:26px;height:26px;border-radius:9px;background:var(--grad-brand);
  position:relative;box-shadow:var(--sh-1);flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;border-radius:3px;background:rgba(255,255,255,.92);
}
.brand-text{font-size:19px;font-weight:800;color:var(--t1);letter-spacing:-.01em;white-space:nowrap;}
.main-nav{margin-left:auto;}
.main-nav ul{display:flex;align-items:center;gap:4px;margin:0;padding:0;list-style:none;}
.main-nav a{
  position:relative;display:block;padding:9px 13px;font-size:15px;font-weight:500;
  color:var(--t2);border-radius:10px;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--grad-brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.main-nav a:hover{color:var(--brand-1);}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--brand-1);font-weight:700;}
.header-cta{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:12px;padding:0;cursor:pointer;position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--t1);
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-mask{
  position:fixed;inset:0;background:rgba(28,25,23,.5);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:65;
}
.nav-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 按钮族 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:700;line-height:1;
  padding:15px 28px;border-radius:999px;border:none;cursor:pointer;
  background:var(--grad-brand);background-size:200% 100%;background-position:0% 0;
  color:#FFF8F3;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,background-position .3s ease;
  text-align:center;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background-position:40% 0;color:#FFF8F3;}
.btn:active{transform:translateY(1px);}
.btn:disabled{opacity:.45;transform:none;cursor:not-allowed;}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-ghost{
  background:#FFFFFF;color:var(--brand-1);border:1.5px solid var(--brand-1);
  box-shadow:none;
}
.btn-ghost:hover{background:var(--soft);color:var(--brand-1-dark);border-color:var(--brand-1-dark);}
.btn-soft{
  background:rgba(255,248,243,.12);color:#FFF8F3;border:1.5px solid rgba(255,248,243,.42);
  box-shadow:none;
}
.btn-soft:hover{background:rgba(255,248,243,.2);color:#FFF8F3;border-color:#FFF8F3;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-1);
}
.link-arrow i{font-size:12px;transition:transform .22s ease;}
.link-arrow:hover i{transform:translateX(3px);}
.link-arrow:hover{text-decoration:underline;}

/* ---------- 页头 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:52px 0 44px;
  background:
    radial-gradient(900px 420px at 88% -10%, rgba(240,119,58,.20), transparent 62%),
    radial-gradient(720px 380px at 4% 112%, rgba(15,122,108,.12), transparent 60%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.09;
  background-image:url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
}
.page-hero .grid-container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--t3);margin-bottom:22px;}
.breadcrumb a{color:var(--t3);}
.breadcrumb a:hover{color:var(--brand-1);}
.breadcrumb .sep{color:#C9BEB6;}
.breadcrumb .current{color:var(--t2);font-weight:600;}
.topic-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--brand-2);background:rgba(15,122,108,.09);
  border-radius:999px;padding:7px 15px;letter-spacing:.02em;
}
.page-hero h1{
  font-size:clamp(30px,4.6vw,54px);font-weight:800;line-height:1.18;letter-spacing:-.01em;
  margin:20px 0 0;max-width:900px;
}
.hero-sub{max-width:720px;margin-top:18px;font-size:17px;line-height:1.78;color:var(--t2);}
.channel-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 18px;border-radius:999px;font-size:13.5px;font-weight:600;
  border:1.5px solid var(--line-in);background:#fff;color:var(--t2);
  transition:all .22s ease;
}
.pill:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-1px);}
.pill.is-current{background:var(--grad-brand);border-color:transparent;color:#FFF8F3;box-shadow:var(--sh-1);}
.pill.is-current:hover{color:#FFF8F3;}

/* ---------- 主体两栏 ---------- */
.layout-grid{padding:72px 0 0;}
.article-body{max-width:100%;}
.body-block{margin-bottom:52px;}
.body-block:last-child{margin-bottom:0;}
.body-block h2{
  font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.01em;
  padding-left:16px;position:relative;
}
.body-block h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background:var(--grad-brand);
}
.body-block h3{font-size:clamp(19px,2vw,24px);font-weight:700;margin-bottom:10px;}
.body-block p{margin-top:16px;font-size:16.5px;line-height:1.9;color:var(--t2);}
.body-figure{margin-top:24px;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);background:var(--soft);}
.body-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.body-figure figcaption{font-size:13px;color:var(--t3);padding:10px 16px;background:#fff;}

.check-list{margin-top:22px;display:grid;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:16px 18px;font-size:15.5px;color:var(--t2);box-shadow:var(--sh-1);
}
.check-list i{color:var(--brand-2);font-size:15px;margin-top:5px;flex:0 0 auto;}
.check-list strong{color:var(--t1);font-weight:700;}

.signal-list{margin-top:22px;display:grid;gap:12px;}
.signal-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 20px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand-1);
  box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease;
}
.signal-list li:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.signal-list .dot{
  width:10px;height:10px;border-radius:50%;background:var(--brand-1);
  margin-top:9px;flex:0 0 auto;box-shadow:0 0 0 4px rgba(226,75,46,.14);
}
.signal-list .sig-title{font-weight:700;color:var(--t1);font-size:16px;}
.signal-list .sig-desc{font-size:14.5px;color:var(--t2);margin-top:4px;line-height:1.75;}

.mini-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:24px;}
.mini-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 20px;box-shadow:var(--sh-1);
  transition:transform .26s cubic-bezier(.2,.7,.3,1),box-shadow .26s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.mini-card .mc-badge{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.05em;
  padding:5px 11px;border-radius:999px;background:rgba(15,122,108,.1);color:var(--brand-2);
  margin-bottom:12px;
}
.mini-card h3{font-size:17px;margin-bottom:8px;}
.mini-card p{font-size:14.5px;color:var(--t2);line-height:1.8;}

.step-list{margin-top:24px;counter-reset:step;display:grid;gap:14px;}
.step-list li{
  counter-increment:step;position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px 20px 74px;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease;
}
.step-list li:hover{transform:translateX(4px);box-shadow:var(--sh-2);}
.step-list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:20px;top:20px;
  font-size:22px;font-weight:800;color:var(--brand-3);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.step-list .st-title{font-weight:700;color:var(--t1);font-size:16px;}
.step-list .st-desc{font-size:14.5px;color:var(--t2);margin-top:5px;line-height:1.78;}

/* ---------- 数据面板 ---------- */
.stat-panel{
  margin-top:26px;background:var(--dark);border-radius:var(--r-lg);
  padding:32px 28px;position:relative;overflow:hidden;
}
.stat-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-cool);
}
.stat-panel::after{
  content:"";position:absolute;right:-60px;bottom:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle, rgba(242,178,51,.18), transparent 68%);
}
.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;position:relative;z-index:2;}
.stat-item{text-align:left;}
.stat-num{
  font-size:clamp(34px,5vw,52px);font-weight:800;color:var(--brand-3);line-height:1.05;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-num small{font-size:.42em;font-weight:700;margin-left:6px;color:var(--brand-3);letter-spacing:.02em;}
.stat-label{margin-top:8px;font-size:13.5px;font-weight:600;color:#FFF8F3;}
.stat-note{margin-top:4px;font-size:12px;color:rgba(255,248,243,.5);line-height:1.6;}
.stat-foot{
  margin-top:26px;padding-top:16px;border-top:1px solid rgba(255,248,243,.12);
  font-size:12px;color:rgba(255,248,243,.5);position:relative;z-index:2;
}

/* ---------- 侧栏 ---------- */
.sidebar{position:relative;}
.side-sticky{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
}
.side-card-body{padding:24px 22px;}
.side-form{border-top:4px solid transparent;border-image:linear-gradient(118deg,#E24B2E,#F0773A 45%,#F2B233) 1;}
.side-card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.side-card p{font-size:14.5px;color:var(--t2);line-height:1.8;}
.side-form form{margin-top:18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--t2);margin-bottom:6px;letter-spacing:.01em;}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:15px;color:var(--t1);
  min-height:48px;padding:12px 14px;
  border:1px solid var(--line-in);border-radius:var(--r-sm);background:#FFFDFB;
  transition:border-color .2s ease,box-shadow .2s ease;outline:none;
}
.field textarea{min-height:96px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(226,75,46,.18);
}
.field input.is-error,.field select.is-error,.field textarea.is-error{border-color:#C0392B;}
.field .err{display:none;font-size:12px;color:#C0392B;margin-top:5px;}
.field.has-error .err{display:block;}
.form-hint{font-size:12px;color:var(--t3);line-height:1.7;margin-top:12px;}
.side-list{padding:6px 22px 20px;}
.side-list li{
  display:flex;gap:11px;align-items:flex-start;
  padding:13px 0;border-bottom:1px dashed var(--line);
  font-size:14.5px;color:var(--t2);line-height:1.75;
}
.side-list li:last-child{border-bottom:none;}
.side-list i{color:var(--brand-3);font-size:14px;margin-top:5px;flex:0 0 auto;}
.side-privacy{padding:20px 22px;background:var(--soft);}
.side-privacy h4{font-size:14px;font-weight:700;color:var(--brand-2);margin-bottom:8px;}
.side-privacy p{font-size:13px;color:var(--t3);line-height:1.75;}
.side-thumb{border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);background:var(--soft);}
.side-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  margin-bottom:14px;overflow:hidden;transition:box-shadow .24s ease;
}
.faq-item.is-open{box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:none;cursor:pointer;text-align:left;
  padding:20px 22px;font-size:17px;font-weight:700;color:var(--t1);line-height:1.55;
}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  border:1.5px solid var(--brand-2);color:var(--brand-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;transition:transform .26s ease,background .26s ease,color .26s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand-2);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--t2);}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--soft);border-radius:var(--r-lg);
  padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  border:1px solid var(--line);
}
.cta-bar h3{font-size:clamp(19px,2.2vw,26px);font-weight:700;line-height:1.35;}
.cta-bar p{margin-top:8px;font-size:14.5px;color:var(--t2);max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}

/* ---------- 隐私说明 ---------- */
.privacy-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 32px;box-shadow:var(--sh-1);
}
.privacy-block h2{font-size:20px;font-weight:700;display:flex;align-items:center;gap:10px;}
.privacy-block h2 i{color:var(--brand-2);font-size:17px;}
.privacy-block p{margin-top:12px;font-size:14px;color:var(--t3);line-height:1.85;}
.privacy-block a{font-weight:600;}

/* ---------- 弹层 ---------- */
.modal{
  position:fixed;inset:0;z-index:120;display:none;
}
.modal.is-open{display:block;}
.modal-mask{
  position:absolute;inset:0;background:rgba(28,25,23,.55);
  opacity:0;transition:opacity .18s ease;
}
.modal.is-open .modal-mask{opacity:1;}
.modal-panel{
  position:absolute;left:50%;top:50%;transform:translate(-50%,calc(-50% + 24px));
  width:520px;max-width:calc(100% - 32px);max-height:calc(100vh - 48px);overflow-y:auto;
  background:#fff;border-radius:var(--r-xl);box-shadow:var(--sh-3);
  opacity:0;transition:opacity .26s cubic-bezier(.2,.8,.25,1),transform .26s cubic-bezier(.2,.8,.25,1);
}
.modal.is-open .modal-panel{opacity:1;transform:translate(-50%,-50%);}
.modal-panel::before{
  content:"";display:block;height:4px;background:var(--grad-brand);
  border-radius:var(--r-xl) var(--r-xl) 0 0;
}
.modal-body{padding:28px 30px 30px;position:relative;}
.modal-body h3{font-size:22px;font-weight:700;line-height:1.4;}
.modal-body > p{margin-top:10px;font-size:14.5px;color:var(--t2);}
.modal-close{
  position:absolute;top:18px;right:18px;width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--t2);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;
  transition:all .2s ease;
}
.modal-close:hover{color:var(--brand-1);border-color:var(--brand-1);transform:rotate(90deg);}
.modal-foot{margin-top:14px;font-size:12px;color:var(--t3);line-height:1.7;}

/* ---------- 移动端吸底 CTA ---------- */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:rgba(255,255,255,.96);border-top:1px solid var(--line);
  padding:12px 18px calc(12px + env(safe-area-inset-bottom));
  box-shadow:0 -6px 24px rgba(226,75,46,.08);
}
.mobile-cta .btn{width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:#FFF8F3;position:relative;
  padding:72px 0 28px;margin-top:88px;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-text{color:#FFF8F3;font-size:18px;}
.footer-desc{font-size:13px;line-height:1.85;color:rgba(255,248,243,.66);max-width:330px;}
.footer-contact{margin-top:14px;font-size:13px;color:rgba(255,248,243,.66);}
.footer-contact a{color:var(--brand-3);}
.footer-contact a:hover{color:#fff;}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:#FFF8F3;margin-bottom:16px;}
.footer-list li{margin-bottom:11px;}
.footer-list a{font-size:13.5px;color:rgba(255,248,243,.7);}
.footer-list a:hover{color:var(--brand-3);}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,248,243,.12);
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,248,243,.55);
}
.footer-bottom a{color:rgba(255,248,243,.7);}
.footer-bottom a:hover{color:var(--brand-3);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .mini-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1023px){
  .grid-container{padding-left:22px;padding-right:22px;}
  .header-inner{height:64px;gap:16px;}
  .main-nav{
    position:fixed;top:0;right:0;width:320px;max-width:88vw;height:100%;
    background:#fff;padding:88px 22px 32px;
    transform:translateX(102%);transition:transform .3s cubic-bezier(.2,.8,.25,1);
    box-shadow:var(--sh-3);z-index:70;overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:2px;}
  .main-nav a{font-size:18px;padding:14px 12px;border-radius:12px;}
  .main-nav a::after{display:none;}
  .main-nav a.is-active{background:var(--soft);}
  .nav-toggle{display:block;margin-left:auto;}
  .header-cta .link-arrow{display:none;}
  .header-cta .btn{display:none;}
  .section{padding:64px 0;}
  .layout-grid{padding-top:52px;}
  .side-sticky{position:static;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:28px;gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .mobile-cta{display:block;}
  .site-footer{padding-bottom:96px;}
}
@media (max-width:767px){
  .page-hero{padding:34px 0 32px;}
  .hero-sub{font-size:16px;}
  .mini-cards{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .section{padding:52px 0;}
  .body-block{margin-bottom:42px;}
  .body-block p{font-size:16px;}
  .modal-panel{width:100%;max-width:calc(100% - 20px);}
  .modal-body{padding:24px 20px 26px;}
}
@media (max-width:520px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .brand-text{font-size:16.5px;}
  .topic-tag{font-size:12px;padding:6px 12px;}
  .pill{font-size:13px;padding:8px 14px;}
  .btn{padding:14px 22px;font-size:15px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .step-list li{padding:18px 18px 18px 62px;}
  .step-list li::before{left:16px;top:18px;font-size:19px;}
}

/* roulang page: category1 */
:root{
  --brand-1:#E24B2E;
  --brand-1-dark:#B3352A;
  --brand-2:#0F7A6C;
  --brand-2-light:#14A08C;
  --brand-3:#F2B233;
  --grad-brand:linear-gradient(118deg,#E24B2E 0%,#F0773A 45%,#F2B233 100%);
  --grad-cool:linear-gradient(120deg,#0F7A6C 0%,#14A08C 100%);
  --bg:#FFF8F3;
  --bg-soft:#FDEFE7;
  --card:#FFFFFF;
  --dark:#1C1917;
  --text:#1C1917;
  --text-2:#57534E;
  --text-3:#8A8580;
  --line:#F0E4DD;
  --input-line:#E7DAD2;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 4px 14px rgba(226,75,46,.06);
  --sh-2:0 12px 32px rgba(226,75,46,.10);
  --sh-3:0 24px 64px rgba(120,40,20,.14);
  --sec:96px;
  --sec-tight:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-1);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand-1-dark)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul{list-style:none;padding:0}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:3px solid rgba(226,75,46,.28);outline-offset:2px}
.grid-container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;font-size:16px;font-weight:700;
  padding:14px 28px;border-radius:var(--r-pill);
  background:var(--grad-brand);background-size:200% 100%;background-position:0 0;
  color:#FFF8F3;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,background-position .3s ease,opacity .2s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background-position:22% 0;color:#FFF8F3}
.btn:active{transform:translateY(-1px)}
.btn:disabled{opacity:.45;transform:none;cursor:not-allowed}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-ghost{
  background:#fff;color:var(--brand-1);
  border:1.5px solid var(--brand-1);box-shadow:none;
}
.btn-ghost:hover{background:var(--bg-soft);color:var(--brand-1-dark)}
.btn-ghost-light{
  background:rgba(255,248,243,.10);color:#FFF8F3;border:1.5px solid rgba(255,248,243,.55);box-shadow:none;
}
.btn-ghost-light:hover{background:rgba(255,248,243,.2);color:#fff}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-1);
}
.link-arrow::after{content:"→";font-size:14px;transition:transform .22s ease}
.link-arrow:hover::after{transform:translateX(3px)}
.link-arrow:hover{text-decoration:underline}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s ease,background-color .24s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(255,255,255,.94)}
.header-inner{display:flex;align-items:center;gap:26px;height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-size:19px;font-weight:800;letter-spacing:-.01em}
.brand:hover{color:var(--text)}
.brand-mark{
  width:26px;height:26px;border-radius:9px;background:var(--grad-brand);
  position:relative;flex:0 0 26px;box-shadow:var(--sh-1);
}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:3px;background:#fff;opacity:.88}
.brand-text{white-space:nowrap}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:26px}
.main-nav a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:600;color:var(--text-2);
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.main-nav a:hover{color:var(--brand-1)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--brand-1);font-weight:700}
.main-nav a.is-active::after{transform:scaleX(1)}
.header-cta{display:flex;align-items:center;gap:20px}
.header-cta .link-arrow{font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:12px;position:relative;cursor:pointer;margin-left:auto;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;background:var(--text);
  border-radius:2px;transition:transform .24s ease,opacity .2s ease;
}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 移动抽屉 */
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:100%;
  background:#fff;z-index:70;padding:26px 24px;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .28s cubic-bezier(.2,.8,.25,1);
  box-shadow:var(--sh-3);overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:20px;line-height:1;color:var(--text-2);cursor:pointer;
}
.drawer-list li{border-bottom:1px solid var(--line)}
.drawer-list a{display:block;padding:16px 2px;font-size:18px;font-weight:600;color:var(--text)}
.drawer-list a.is-active{color:var(--brand-1)}
.drawer-foot{margin-top:auto;padding-top:24px}
.drawer-foot .btn{width:100%}
.drawer-note{margin-top:14px;font-size:13px;color:var(--text-3);line-height:1.7}

/* ---------- 分类 Hero ---------- */
.cat-hero{padding-top:28px}
.cat-hero-banner{
  position:relative;overflow:hidden;border-radius:0 0 40px 40px;
  background:#1C1917 url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  min-height:372px;display:flex;align-items:center;
}
.cat-hero-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(28,25,23,.94) 0%,rgba(140,45,32,.88) 52%,rgba(226,75,46,.74) 100%);
}
.cat-hero-deco{
  position:absolute;right:-70px;top:-70px;width:300px;height:300px;border-radius:50%;
  border:1px solid rgba(255,248,243,.22);z-index:1;
}
.cat-hero-deco::after{
  content:"";position:absolute;inset:44px;border-radius:50%;
  border:1px solid rgba(242,178,51,.35);
}
.cat-hero-inner{position:relative;z-index:2;padding:56px 0}
.breadcrumb{font-size:14px;color:rgba(255,248,243,.72);margin-bottom:22px}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:rgba(255,248,243,.45)}
.breadcrumb a{color:rgba(255,248,243,.82)}
.breadcrumb a:hover{color:var(--brand-3)}
.breadcrumb .current{color:rgba(255,248,243,.62)}
.cat-hero h1{
  color:#FFF8F3;font-size:clamp(30px,4.6vw,50px);font-weight:800;
  line-height:1.2;letter-spacing:-.01em;max-width:820px;
}
.hero-rule{width:64px;height:3px;background:var(--grad-brand);border-radius:3px;margin:22px 0}
.cat-hero .hero-sub{
  color:rgba(255,248,243,.86);font-size:17px;line-height:1.75;max-width:660px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:20px;margin-top:26px;
  font-size:13px;font-weight:600;letter-spacing:.02em;color:rgba(255,248,243,.78);
}
.hero-trust span{display:inline-flex;align-items:center;gap:7px}
.hero-trust i{
  width:15px;height:15px;border-radius:50%;background:var(--brand-2-light);
  display:inline-flex;align-items:center;justify-content:center;font-size:10px;color:#fff;font-style:normal;
}

/* 频道胶囊切换 */
.channel-bar{background:#fff;border-bottom:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;gap:16px;padding:16px 0;flex-wrap:wrap}
.channel-label{font-size:13px;font-weight:700;letter-spacing:.02em;color:var(--text-3);margin-right:2px}
.channel-pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;padding:8px 18px;border-radius:var(--r-pill);
  border:1.5px solid var(--line);font-size:14px;font-weight:600;color:var(--text-2);
  background:#fff;transition:all .22s ease;
}
.pill:hover{border-color:var(--brand-1);color:var(--brand-1);background:var(--bg-soft)}
.pill.is-active{background:var(--grad-brand);border-color:transparent;color:#FFF8F3;box-shadow:var(--sh-1)}
.pill.is-active:hover{color:#FFF8F3}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0}
.section--tight{padding:var(--sec-tight) 0}
.section--soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--dark{background:var(--dark);color:#FFF8F3;position:relative}
.section--dark::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-cool)}
.section-head{max-width:760px;margin-bottom:48px}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.02em;
  color:var(--brand-1);background:var(--bg-soft);padding:6px 14px;border-radius:var(--r-pill);margin-bottom:16px;
}
.section--dark .section-tag{color:var(--brand-3);background:rgba(255,248,243,.08)}
.section-head h2{font-size:clamp(24px,3.2vw,38px);font-weight:700;line-height:1.28;letter-spacing:-.01em}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.8}
.section--dark .section-head p{color:rgba(255,248,243,.72)}
.rule-short{width:52px;height:3px;background:var(--grad-brand);border-radius:3px;margin-top:18px}

/* ---------- 交替长卡 ---------- */
.alt-list{display:flex;flex-direction:column}
.alt-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;
  align-items:center;padding:44px 0;border-bottom:1px dashed var(--line);
}
.alt-row:last-child{border-bottom:0;padding-bottom:0}
.alt-row--flip .alt-media{order:2}
.alt-row--flip .alt-copy{order:1}
.alt-media{
  position:relative;border-radius:24px;overflow:hidden;background:var(--bg-soft);
  aspect-ratio:4/3;box-shadow:var(--sh-2);
}
.alt-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s cubic-bezier(.2,.7,.3,1);
}
.alt-row:hover .alt-media img{transform:scale(1.03)}
.alt-index{
  position:absolute;left:18px;top:14px;z-index:2;
  font-size:34px;font-weight:800;color:#FFF8F3;letter-spacing:-.02em;
  text-shadow:0 6px 18px rgba(28,25,23,.45);font-variant-numeric:tabular-nums;
}
.alt-copy .alt-step{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.02em;
  color:var(--brand-2);background:rgba(15,122,108,.10);padding:6px 14px;border-radius:var(--r-pill);
}
.alt-copy h3{font-size:clamp(19px,2vw,26px);font-weight:700;line-height:1.4;margin-top:16px}
.alt-copy > p{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.85}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.check-list li{position:relative;padding-left:30px;font-size:15px;color:var(--text-2);line-height:1.8}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:50%;
  background:var(--grad-cool);opacity:.9;
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:14px;width:6px;height:3px;
  border-left:1.6px solid #fff;border-bottom:1.6px solid #fff;transform:rotate(-45deg);
}
.alt-copy .link-arrow{margin-top:22px}

/* ---------- 提示对照 ---------- */
.prompt-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.prompt-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 24px 22px;box-shadow:var(--sh-1);position:relative;
  transition:transform .26s cubic-bezier(.2,.7,.3,1),box-shadow .26s ease;
}
.prompt-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.prompt-card::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:4px;border-radius:0 4px 4px 0;
  background:var(--grad-brand);
}
.prompt-card h3{font-size:17px;font-weight:700;color:var(--brand-1-dark);padding-left:12px}
.prompt-card p{margin-top:10px;padding-left:12px;font-size:15px;color:var(--text-2);line-height:1.8}
.prompt-card .tag-mini{
  display:inline-block;margin-top:14px;margin-left:12px;font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--brand-2);background:rgba(15,122,108,.10);padding:4px 12px;border-radius:var(--r-pill);
}

/* ---------- 数据徽章 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.stat-item{
  background:rgba(255,248,243,.05);border:1px solid rgba(255,248,243,.10);
  border-radius:var(--r-md);padding:26px 22px;text-align:left;
  transition:transform .26s ease,background-color .26s ease;
}
.stat-item:hover{transform:translateY(-4px);background:rgba(255,248,243,.08)}
.stat-num{
  font-size:clamp(34px,5vw,54px);font-weight:800;color:var(--brand-3);
  line-height:1.05;font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-num small{font-size:16px;font-weight:700;margin-left:4px;color:rgba(255,248,243,.8)}
.stat-label{margin-top:12px;font-size:13px;font-weight:600;color:rgba(255,248,243,.82);letter-spacing:.02em}
.stat-note{margin-top:8px;font-size:12px;color:rgba(255,248,243,.5);line-height:1.7}
.stat-foot{margin-top:34px;font-size:12px;color:rgba(255,248,243,.5);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;
  box-shadow:none;transition:box-shadow .24s ease,border-color .24s ease;
}
.faq-item.is-open{box-shadow:var(--sh-1);border-color:#F3DED3}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;font-size:17px;font-weight:700;color:var(--text);
}
.faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--brand-2);color:var(--brand-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:600;line-height:1;transition:transform .26s ease,background-color .26s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(15,122,108,.08)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 22px 22px;color:var(--text-2);font-size:15px;line-height:1.85}
.faq-a-inner strong{color:var(--text)}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--bg-soft);border:1px solid #F3DED3;border-radius:24px;
  padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh-1);
}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);font-weight:700;line-height:1.4}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.8;max-width:640px}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}

/* ---------- 隐私说明 ---------- */
.privacy-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 28px;display:flex;gap:18px;align-items:flex-start;box-shadow:var(--sh-1);
}
.privacy-icon{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;background:rgba(15,122,108,.10);
  display:flex;align-items:center;justify-content:center;color:var(--brand-2);font-size:19px;font-weight:700;
}
.privacy-box h2{font-size:18px;font-weight:700;margin-bottom:8px}
.privacy-box p{font-size:13px;color:var(--text-3);line-height:1.8}
.privacy-box a{font-weight:600}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#FFF8F3;margin-top:0;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand)}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#FFF8F3}
.footer-desc{margin-top:16px;font-size:13px;line-height:1.85;color:rgba(255,248,243,.6);max-width:320px}
.footer-contact{margin-top:14px;font-size:13px;color:rgba(255,248,243,.6)}
.footer-contact a{color:var(--brand-3)}
.footer-contact a:hover{color:#FFF8F3}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.02em;color:#FFF8F3;margin-bottom:18px}
.footer-list li{margin-bottom:12px}
.footer-list a{font-size:14px;color:rgba(255,248,243,.66)}
.footer-list a:hover{color:var(--brand-3)}
.footer-bottom{
  border-top:1px solid rgba(255,248,243,.12);padding:22px 0 30px;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,248,243,.5);
}
.footer-bottom a{color:rgba(255,248,243,.62)}
.footer-bottom a:hover{color:var(--brand-3)}

/* ---------- 弹层 ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:120;background:rgba(28,25,23,.55);
  display:none;padding:20px;overflow-y:auto;
}
.modal-mask.is-open{display:flex;align-items:center;justify-content:center;animation:fadeIn .18s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.modal-panel{
  position:relative;width:520px;max-width:100%;background:#fff;border-radius:28px;
  box-shadow:var(--sh-3);overflow:hidden;animation:rise .26s cubic-bezier(.2,.8,.25,1);
}
.modal-panel::before{content:"";display:block;height:4px;background:var(--grad-brand)}
.modal-body{padding:26px 28px 28px}
.modal-body h3{font-size:21px;font-weight:700}
.modal-body .modal-sub{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.75}
.modal-close{
  position:absolute;right:16px;top:18px;width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:17px;line-height:1;
  cursor:pointer;transition:all .22s ease;
}
.modal-close:hover{background:var(--bg-soft);color:var(--brand-1);border-color:#F3DED3}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:22px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;color:var(--text-2);letter-spacing:.02em}
.field input,.field select,.field textarea{
  height:48px;border:1px solid var(--input-line);border-radius:var(--r-sm);
  padding:0 14px;background:#fff;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(226,75,46,.18);
}
.form-note{margin-top:16px;font-size:12px;color:var(--text-3);line-height:1.75}
.form-actions{margin-top:20px}
.form-actions .btn{width:100%}
.form-feedback{margin-top:14px;font-size:13px;color:var(--brand-2);display:none}
.form-feedback.is-visible{display:block}

/* ---------- 移动吸底 ---------- */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:rgba(255,255,255,.96);border-top:1px solid var(--line);
  padding:10px 18px 12px;box-shadow:0 -6px 20px rgba(120,40,20,.08);
}
.mobile-cta .btn{width:100%}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  :root{--sec:80px}
  .alt-row{gap:38px}
}
@media screen and (max-width:1023px){
  :root{--sec:72px;--sec-tight:52px}
  .grid-container{padding:0 24px}
  .main-nav{display:none}
  .header-cta .link-arrow{display:none}
  .nav-toggle{display:block}
  .alt-row{grid-template-columns:minmax(0,1fr);gap:26px;padding:32px 0}
  .alt-row--flip .alt-media{order:0}
  .alt-row--flip .alt-copy{order:0}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;padding:52px 0 34px}
}
@media screen and (max-width:767px){
  body{font-size:16px}
  .grid-container{padding:0 18px}
  .header-inner{height:60px;gap:14px}
  .brand{font-size:17px}
  .header-cta{display:none}
  .cat-hero{padding-top:16px}
  .cat-hero-banner{border-radius:0 0 28px 28px;min-height:auto}
  .cat-hero-inner{padding:38px 0 42px}
  .hero-actions .btn{width:100%}
  .prompt-grid{grid-template-columns:minmax(0,1fr)}
  .stat-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:26px 22px}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{width:100%}
  .privacy-box{flex-direction:column;gap:12px;padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:10px}
  .form-grid{grid-template-columns:minmax(0,1fr)}
  .modal-mask{padding:0;align-items:flex-end}
  .modal-panel{width:100%;border-radius:28px 28px 0 0;animation:rise .26s cubic-bezier(.2,.8,.25,1)}
  .mobile-cta{display:block}
  body{padding-bottom:74px}
  .alt-index{font-size:26px;left:14px;top:12px}
}
@media screen and (min-width:1440px){
  .grid-container{max-width:1200px}
}

/* roulang page: category3 */
:root{
  --brand-1:#E24B2E;
  --brand-1-dark:#B3352A;
  --brand-2:#0F7A6C;
  --brand-3:#F2B233;
  --grad-brand:linear-gradient(118deg,#E24B2E 0%,#F0773A 45%,#F2B233 100%);
  --grad-cool:linear-gradient(120deg,#0F7A6C 0%,#14A08C 100%);
  --bg:#FFF8F3;
  --card:#FFFFFF;
  --soft:#FDEFE7;
  --dark:#1C1917;
  --ink:#1C1917;
  --ink-2:#57534E;
  --ink-3:#8A8580;
  --inv:#FFF8F3;
  --line:#F0E4DD;
  --input-line:#E7DAD2;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:12px;
  --sh-1:0 4px 14px rgba(226,75,46,.06);
  --sh-2:0 12px 32px rgba(226,75,46,.10);
  --sh-3:0 24px 64px rgba(120,40,20,.14);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-1-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--ink);}
p{margin:0;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 容器与栅格 ---------- */
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;}
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-x.grid-margin-x > .cell{padding-left:12px;padding-right:12px;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--soft{background:var(--soft);}
.section--plain{background:var(--card);}
.sec-head{max-width:780px;margin-bottom:48px;}
.sec-head .eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--brand-2);background:rgba(15,122,108,.09);border-radius:999px;padding:5px 14px;margin-bottom:16px;}
.sec-head h2{font-size:clamp(24px,3.2vw,38px);font-weight:700;line-height:1.28;}
.sec-head h2::after{content:"";display:block;width:64px;height:3px;border-radius:2px;background:var(--grad-brand);margin-top:16px;}
.sec-head p{margin-top:16px;font-size:17px;color:var(--ink-2);line-height:1.8;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:999px;font-size:16px;font-weight:700;line-height:1;
  padding:15px 28px;text-align:center;cursor:pointer;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,background-position .35s ease,background-color .2s ease,color .2s ease;
}
.btn-primary{
  background-image:var(--grad-brand);background-size:200% 100%;background-position:0 0;
  color:#fff;box-shadow:var(--sh-1);
}
.btn-primary:hover{background-position:100% 0;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-1);}
.btn-ghost{background:#fff;border:1.5px solid var(--brand-1);color:var(--brand-1);}
.btn-ghost:hover{background:var(--soft);color:var(--brand-1-dark);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(226,75,46,.28);}
.btn[disabled]{opacity:.45;pointer-events:none;}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-1);}
.link-arrow::after{content:"→";font-size:14px;transition:transform .22s ease;}
.link-arrow:hover::after{transform:translateX(3px);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-1);background:rgba(255,255,255,.94);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--grad-brand);
  position:relative;box-shadow:var(--sh-1);flex:0 0 auto;
}
.brand-mark::after{content:"";position:absolute;left:50%;top:50%;width:9px;height:9px;border-radius:50%;background:#fff;transform:translate(-50%,-50%);}
.brand-text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand:hover .brand-text{color:var(--brand-1);}
.main-nav ul{display:flex;align-items:center;gap:28px;}
.main-nav a{
  position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:600;color:var(--ink-2);
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;border-radius:2px;
  background:var(--grad-brand);transition:width .22s ease;
}
.main-nav a:hover{color:var(--brand-1);}
.main-nav a:hover::after{width:100%;}
.main-nav a.is-active{color:var(--brand-1);font-weight:700;}
.main-nav a.is-active::after{width:100%;}
.header-cta{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;
  position:relative;padding:0;
}
.nav-toggle span{
  position:absolute;left:11px;right:11px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span:nth-child(1){top:13px;}
.nav-toggle span:nth-child(2){top:20px;}
.nav-toggle span:nth-child(3){top:27px;}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0;}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.crumb{font-size:14px;color:var(--ink-3);padding:20px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:#C9BDB5;}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand-1);}
.crumb .current{color:var(--ink-2);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--bg);padding:40px 0 88px;}
.hero::before{
  content:"";position:absolute;top:-8%;right:-6%;width:46%;height:120%;
  background:var(--grad-brand);opacity:.15;border-radius:0 0 0 40px;
}
.hero::after{
  content:"";position:absolute;right:10%;top:8%;width:190px;height:190px;border-radius:50%;
  border:1px solid rgba(226,75,46,.28);pointer-events:none;
}
.hero .grid-container{position:relative;z-index:1;}
.hero-copy{max-width:620px;padding-top:26px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-1);
  background:rgba(226,75,46,.09);border-radius:999px;padding:6px 14px;margin-bottom:22px;
}
.hero-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-1);}
.hero h1{font-size:clamp(30px,4.6vw,54px);font-weight:800;line-height:1.18;letter-spacing:-.01em;}
.hero h1 em{font-style:normal;color:var(--brand-1);}
.hero h1::after{content:"";display:block;width:64px;height:3px;border-radius:2px;background:var(--grad-brand);margin-top:22px;}
.hero-sub{margin-top:22px;font-size:18px;line-height:1.75;color:var(--ink-2);}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-trust{margin-top:28px;display:flex;flex-wrap:wrap;gap:22px;}
.hero-trust span{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ink-2);}
.hero-trust span::before{content:"✓";color:var(--brand-2);font-weight:800;}

.hero-visual{position:relative;margin-top:26px;}
.hero-photo{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3);background:var(--soft);
  border:1px solid rgba(255,255,255,.7);
}
.hero-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-badge{
  position:absolute;left:-14px;bottom:34px;background:#fff;border-radius:var(--r-md);
  box-shadow:var(--sh-2);padding:16px 22px;border:1px solid var(--line);
}
.hero-badge .num{display:block;font-size:30px;font-weight:800;color:var(--brand-3);line-height:1.1;}
.hero-badge .lbl{display:block;font-size:12px;color:var(--ink-3);margin-top:6px;}

/* ---------- 问题分类卡 ---------- */
.q-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  height:100%;display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .26s cubic-bezier(.2,.7,.3,1),box-shadow .26s ease;
}
.q-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.q-media{position:relative;overflow:hidden;background:var(--soft);}
.q-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1);}
.q-card:hover .q-media img{transform:scale(1.03);}
.q-chip{
  position:absolute;left:16px;top:16px;font-size:12px;font-weight:700;letter-spacing:.02em;
  padding:6px 12px;border-radius:999px;color:#fff;background:var(--grad-cool);
}
.q-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.q-body h3{font-size:20px;font-weight:700;}
.q-body p{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.8;}
.q-list{margin-top:16px;display:grid;gap:8px;}
.q-list li{position:relative;padding-left:20px;font-size:14px;color:var(--ink-2);}
.q-list li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:var(--brand-1);}
.q-body .link-arrow{margin-top:auto;padding-top:20px;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;max-width:920px;margin:0 auto;padding-left:38px;}
.timeline::before{
  content:"";position:absolute;left:8px;top:14px;bottom:14px;width:2px;border-radius:2px;background:var(--grad-brand);
}
.tl-item{position:relative;margin-bottom:22px;}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-37px;top:30px;width:14px;height:14px;border-radius:50%;
  background:var(--brand-3);box-shadow:0 0 0 5px rgba(242,178,51,.20);
}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 26px;
  box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.tl-step{display:inline-block;font-size:13px;font-weight:800;letter-spacing:.06em;color:var(--brand-3);font-variant-numeric:tabular-nums;margin-bottom:8px;}
.tl-card h3{font-size:20px;font-weight:700;}
.tl-card p{margin-top:10px;font-size:15px;color:var(--ink-2);line-height:1.8;}
.tl-tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}
.tl-tags span{font-size:12px;font-weight:600;color:var(--brand-2);background:rgba(15,122,108,.09);border-radius:999px;padding:5px 12px;}

/* ---------- 数据徽章横条 ---------- */
.stat-bar{
  position:relative;background:var(--dark);border-radius:var(--r-lg);padding:48px 40px 40px;overflow:hidden;
}
.stat-bar::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-cool);}
.stat-bar h2{color:var(--inv);font-size:24px;font-weight:700;}
.stat-bar .bar-sub{margin-top:10px;font-size:15px;color:rgba(255,248,243,.62);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:36px;}
.stat-item{border-left:1px solid rgba(255,248,243,.12);padding-left:20px;}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-item .num{display:block;font-size:clamp(34px,5vw,60px);font-weight:800;color:var(--brand-3);line-height:1.05;}
.stat-item .lbl{display:block;font-size:13px;font-weight:600;color:var(--inv);margin-top:12px;}
.stat-item .src{display:block;font-size:12px;color:rgba(255,248,243,.5);margin-top:6px;}
.stat-note{margin-top:32px;font-size:12px;color:rgba(255,248,243,.5);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion{background:transparent;border:0;margin:0;}
.accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;
  transition:box-shadow .24s ease,transform .24s ease;
}
.accordion .accordion-item.is-active{box-shadow:var(--sh-1);}
.accordion .accordion-title{
  position:relative;display:block;padding:19px 62px 19px 22px;border:0;background:transparent;
  font-size:17px;font-weight:700;color:var(--ink);transition:background-color .2s ease,color .2s ease;
}
.accordion .accordion-title:hover{background:var(--soft);color:var(--brand-1-dark);}
.accordion .accordion-title::before{
  content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;line-height:25px;text-align:center;border-radius:50%;
  border:1.5px solid var(--brand-2);color:var(--brand-2);font-size:17px;font-weight:700;margin-top:0;
  transition:transform .25s ease,background-color .2s ease,color .2s ease;
}
.accordion .accordion-item.is-active > .accordion-title::before{
  transform:translateY(-50%) rotate(45deg);background:var(--brand-2);color:#fff;
}
.accordion .accordion-content{padding:0 22px 22px;border:0;background:transparent;}
.accordion .accordion-content p{font-size:15px;line-height:1.85;color:var(--ink-2);}
.accordion .accordion-content p + p{margin-top:10px;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--soft);border-radius:24px;padding:44px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;}
.cta-band p{margin-top:12px;font-size:16px;color:var(--ink-2);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto;}

/* ---------- 频道切换胶囊 ---------- */
.chan-switch{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:56px;}
.chan-switch a{
  display:inline-block;padding:10px 20px;border-radius:999px;border:1.5px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:var(--ink-2);transition:all .2s ease;
}
.chan-switch a:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);}
.chan-switch a.is-current{background-image:var(--grad-brand);color:#fff;border-color:transparent;}

/* ---------- 隐私说明 ---------- */
.privacy-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:28px 30px;
  display:flex;gap:20px;align-items:flex-start;
}
.privacy-icon{
  flex:0 0 auto;width:44px;height:44px;border-radius:14px;background:rgba(15,122,108,.1);
  color:var(--brand-2);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;
}
.privacy-card h3{font-size:17px;font-weight:700;}
.privacy-card p{margin-top:10px;font-size:13px;line-height:1.85;color:var(--ink-3);}

/* ---------- 表单与弹层 ---------- */
.modal-mask{
  position:fixed;inset:0;background:rgba(28,25,23,.55);z-index:120;
  display:flex;align-items:center;justify-content:center;padding:24px;
  opacity:0;visibility:hidden;transition:opacity .18s ease,visibility .18s ease;
}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal-panel{
  position:relative;width:520px;max-width:100%;background:#fff;border-radius:28px;
  padding:34px 34px 28px;box-shadow:var(--sh-3);max-height:90vh;overflow-y:auto;
  transform:translateY(24px);transition:transform .26s cubic-bezier(.2,.8,.25,1);
}
.modal-mask.is-open .modal-panel{transform:translateY(0);}
.modal-panel::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;border-radius:28px 28px 0 0;background:var(--grad-brand);}
.modal-panel h3{font-size:22px;font-weight:700;}
.modal-sub{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.75;}
.modal-close{
  position:absolute;right:16px;top:16px;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;
  transition:all .2s ease;
}
.modal-close:hover{background:var(--soft);color:var(--brand-1);border-color:var(--brand-1);}
.lead-form{margin-top:22px;display:grid;gap:16px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px;}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;height:48px;margin:0;padding:0 14px;border:1px solid var(--input-line);border-radius:12px;
  background:#fff;font-size:15px;color:var(--ink);line-height:normal;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(226,75,46,.18);}
.form-tip{margin-top:4px;font-size:13px;color:var(--brand-2);display:none;}
.form-tip.is-visible{display:block;}
.modal-note{margin-top:18px;font-size:13px;line-height:1.8;color:var(--ink-3);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--inv);position:relative;padding:72px 0 0;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .brand-text{color:var(--inv);font-size:18px;font-weight:800;}
.footer-desc{margin-top:16px;font-size:13px;line-height:1.85;color:rgba(255,248,243,.6);max-width:300px;}
.footer-contact{margin-top:14px;font-size:13px;color:rgba(255,248,243,.6);}
.footer-contact a{color:var(--brand-3);}
.footer-contact a:hover{color:#fff;}
.footer-title{font-size:14px;font-weight:700;color:var(--inv);margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14px;color:rgba(255,248,243,.62);}
.footer-list a:hover{color:var(--brand-3);}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,248,243,.12);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,248,243,.5);
}
.footer-bottom a{color:rgba(255,248,243,.62);}
.footer-bottom a:hover{color:var(--brand-3);}

/* ---------- 移动吸底 CTA ---------- */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:55;
  padding:12px 18px;background:rgba(255,248,243,.97);border-top:1px solid var(--line);
}
.mobile-cta .btn{width:100%;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .hero{padding:28px 0 64px;}
  .hero-copy{padding-top:10px;max-width:none;}
  .hero-visual{margin-top:40px;}
  .hero-badge{left:14px;bottom:18px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px 20px;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 32px;}
  .main-nav{
    position:fixed;top:0;right:-100%;width:320px;max-width:88vw;height:100%;
    background:#fff;padding:96px 26px 34px;box-shadow:var(--sh-3);z-index:70;
    transition:right .3s cubic-bezier(.2,.8,.25,1);overflow-y:auto;
  }
  .site-header.nav-open .main-nav{right:0;}
  .main-nav ul{flex-direction:column;align-items:flex-start;gap:4px;width:100%;}
  .main-nav li{width:100%;}
  .main-nav a{display:block;font-size:18px;padding:13px 0;width:100%;}
  .main-nav a::after{display:none;}
  .main-nav a.is-active{color:var(--brand-1);}
  .header-cta .link-arrow{display:none;}
  .nav-toggle{display:block;z-index:80;}
}
@media (max-width:767px){
  .mobile-cta{display:block;}
  .site-footer{padding-bottom:88px;}
}
@media (max-width:640px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .grid-x.grid-margin-x{margin-left:-8px;margin-right:-8px;}
  .grid-x.grid-margin-x > .cell{padding-left:8px;padding-right:8px;}
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .sec-head{margin-bottom:32px;}
  .sec-head p{font-size:16px;}
  .header-inner{height:60px;}
  .brand-text{font-size:17px;}
  .header-cta .btn{display:none;}
  .hero h1::after{margin-top:16px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .hero-trust{gap:14px;}
  .timeline{padding-left:28px;}
  .timeline::before{left:5px;}
  .tl-item::before{left:-29px;top:26px;}
  .tl-card{padding:20px 20px;}
  .stat-bar{padding:36px 24px 30px;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:24px 16px;}
  .cta-band{padding:28px 22px;border-radius:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .privacy-card{flex-direction:column;gap:14px;padding:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .modal-mask{padding:0;align-items:flex-end;}
  .modal-panel{width:100%;border-radius:28px 28px 0 0;padding:28px 22px 24px;transform:translateY(100%);}
  .modal-mask.is-open .modal-panel{transform:translateY(0);}
}
@media (max-width:400px){
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:1fr;}
}