/* roulang page: index */
:root{
  --brand-1:#FF5A36;
  --brand-2:#FF3D77;
  --brand-3:#7A3BFF;
  --mint:#12D6C0;
  --bg:#FFF9F5;
  --dark:#17131F;
  --text:#1F1A24;
  --muted:#6B6472;
  --line:rgba(31,26,36,.09);
  --card:#FFFFFF;
  --soft:#F7F1EC;
  --radius:26px;
  --radius-sm:16px;
  --radius-xs:14px;
  --shadow:0 10px 30px rgba(31,20,44,.08);
  --shadow-hover:0 18px 45px rgba(255,90,54,.18);
  --grad:linear-gradient(118deg,#FF5A36 0%,#FF3D77 48%,#7A3BFF 100%);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;background:#F2EBE6}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--brand-1)}
button,input,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,90,54,.55);outline-offset:3px;border-radius:6px}

/* Bootstrap 覆盖 */
:root{
  --bs-primary:#FF5A36;
  --bs-body-bg:#FFF9F5;
  --bs-body-color:#1F1A24;
  --bs-border-radius:26px;
  --bs-link-color:#FF5A36;
  --bs-link-hover-color:#7A3BFF;
  --bs-font-sans-serif:var(--font-cn);
}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.btn{border-radius:999px;font-weight:700;padding:.78rem 1.7rem;border:1.5px solid transparent;transition:all .25s var(--ease);letter-spacing:.01em}
.btn:focus-visible{outline:3px solid rgba(255,90,54,.5);outline-offset:3px}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(255,61,119,.28)}
.btn-brand:hover,.btn-brand:active{color:#fff;transform:translateY(-3px);box-shadow:0 18px 40px rgba(255,61,119,.34)}
.btn-ghost{background:#fff;color:var(--text);border-color:rgba(31,26,36,.14)}
.btn-ghost:hover{color:var(--brand-1);border-color:var(--brand-1);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.btn-sm{padding:.55rem 1.15rem;font-size:15px}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,249,245,.92);backdrop-filter:saturate(140%) blur(8px);transition:all .3s var(--ease)}
.site-header.is-stuck{background:#fff;box-shadow:0 8px 26px rgba(31,20,44,.1);border-radius:0 0 18px 18px}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.01em;white-space:nowrap}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:16px;box-shadow:0 8px 20px rgba(255,61,119,.3);flex:0 0 auto}
.brand-text{max-width:290px;overflow:hidden;text-overflow:ellipsis}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;display:inline-block;padding:9px 12px;font-size:15.5px;font-weight:600;color:#3A3340;border-radius:10px}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease)}
.nav-link:hover{color:var(--brand-1)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-1)}
.nav-cta{white-space:nowrap}
@media (max-width:991px){
  .nav-menu,.nav-cta{display:none}
  .nav-bar{height:64px}
  .brand-text{font-size:15.5px;max-width:230px}
}

/* 通用板块 */
.section{padding:92px 0}
.section.tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-3);background:rgba(122,59,255,.09);padding:6px 14px;border-radius:999px;margin-bottom:16px}
.section-head h2{font-size:clamp(24px,3.2vw,34px);margin-bottom:14px}
.section-desc{color:var(--muted);font-size:16.5px;max-width:640px}
@media (max-width:767px){
  .section{padding:58px 0}
  .section-head{margin-bottom:30px}
}

/* Hero */
.hero{position:relative;padding:70px 0 34px;overflow:hidden}
.hero-deco{position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    repeating-linear-gradient(90deg,rgba(255,90,54,.07) 0 1px,transparent 1px 74px),
    repeating-linear-gradient(0deg,rgba(122,59,255,.05) 0 1px,transparent 1px 74px);
  mask-image:radial-gradient(circle at 20% 20%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 20% 20%,#000 0%,transparent 72%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.22;margin-bottom:20px}
.hl{background:linear-gradient(transparent 64%,rgba(255,90,54,.26) 64%);padding:0 3px;border-radius:4px}
.hero-lead{font-size:19px;font-weight:700;color:#2E2733;margin-bottom:10px}
.hero-sub{color:var(--muted);font-size:16.5px;max-width:33em;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual{position:relative;border-radius:28px;overflow:hidden;aspect-ratio:9/16;max-width:400px;margin-left:auto;box-shadow:0 24px 60px rgba(31,20,44,.16);background:#F2EBE6}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,19,31,0) 46%,rgba(23,19,31,.72) 100%)}
.hero-visual-tag{position:absolute;left:18px;right:18px;bottom:18px;z-index:2;color:#fff}
.hero-visual-tag strong{display:block;font-size:17px;font-weight:800;margin-bottom:4px}
.hero-visual-tag span{font-size:13.5px;color:rgba(255,255,255,.82)}
@media (max-width:991px){
  .hero{padding:36px 0 12px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual{width:78vw;max-width:340px;margin:0 auto}
  .hero-actions .btn{flex:1 1 auto;text-align:center}
}

/* 徽章条 */
.badge-strip{padding:8px 0 0}
.badge-row{display:flex;flex-wrap:wrap;gap:14px}
.stat-badge{display:inline-flex;align-items:baseline;gap:8px;background:#fff;border:1.5px solid rgba(18,214,192,.35);border-radius:999px;padding:10px 20px;box-shadow:0 8px 22px rgba(18,214,192,.1)}
.stat-badge b{font-size:21px;font-weight:800;color:var(--brand-1);font-variant-numeric:tabular-nums;line-height:1}
.stat-badge span{font-size:14px;color:var(--muted);font-weight:600}
@media (max-width:575px){
  .stat-badge{padding:9px 15px}
  .stat-badge b{font-size:18px}
  .stat-badge span{font-size:13px}
}

/* 优势卡 */
.feature-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;height:100%;box-shadow:var(--shadow);transition:all .25s var(--ease)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.feature-icon{width:52px;height:52px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,90,54,.1);color:var(--brand-1);font-size:20px;margin-bottom:18px}
.feature-card h3{font-size:20px;margin-bottom:10px}
.feature-card p{color:var(--muted);font-size:15.8px}

/* 片段卡横滑 */
.clip-rail{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.clip-rail::-webkit-scrollbar{height:6px}
.clip-rail::-webkit-scrollbar-thumb{background:rgba(255,90,54,.35);border-radius:999px}
.clip-card{flex:0 0 clamp(200px,56vw,236px);scroll-snap-align:start}
.clip-thumb{position:relative;aspect-ratio:3/4;border-radius:20px;overflow:hidden;background:#F2EBE6;box-shadow:var(--shadow)}
.clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.clip-card:hover .clip-thumb img{transform:scale(1.06)}
.play-dot{position:absolute;left:12px;top:12px;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.92);color:var(--brand-1);display:flex;align-items:center;justify-content:center;font-size:12px;box-shadow:0 6px 16px rgba(31,20,44,.18)}
.dur-pill{position:absolute;right:12px;bottom:12px;background:rgba(23,19,31,.72);color:#fff;font-size:12.5px;font-weight:700;padding:4px 10px;border-radius:999px;font-variant-numeric:tabular-nums}
.clip-card h3{font-size:16.5px;font-weight:700;margin:14px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clip-tag{font-size:13px;color:var(--muted)}

/* 清单 */
.list-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.list-item{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:24px;padding:18px;box-shadow:var(--shadow);transition:all .25s var(--ease)}
.list-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.list-thumb{flex:0 0 96px;aspect-ratio:3/4;border-radius:16px;overflow:hidden;background:#F2EBE6}
.list-thumb img{width:100%;height:100%;object-fit:cover}
.list-idx{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.list-body h3{font-size:18px;margin:2px 0 6px}
.list-body p{color:var(--muted);font-size:15.5px;margin-bottom:10px}
.tag-line{display:flex;flex-wrap:wrap;gap:8px}
.tag-chip{display:inline-block;font-size:12.5px;font-weight:600;color:#4C4553;background:rgba(18,214,192,.14);border-radius:999px;padding:4px 12px}
@media (max-width:767px){
  .list-grid{grid-template-columns:1fr;gap:16px}
  .list-thumb{flex:0 0 78px}
}

/* 自查工具 */
.tool-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.tool-card h3{font-size:21px;margin-bottom:10px}
.tool-card .tool-hint{color:var(--muted);font-size:15.5px;margin-bottom:22px}
.tool-form{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.tool-form select{flex:1 1 220px;height:50px;border-radius:var(--radius-xs);border:1.5px solid rgba(31,26,36,.14);padding:0 16px;background:#FFFDFB;transition:all .25s var(--ease)}
.tool-form select:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(255,90,54,.14)}
.tool-form .btn{height:50px;display:inline-flex;align-items:center}
.tool-result{margin-top:20px;background:var(--soft);border-left:4px solid transparent;border-image:var(--grad) 1;border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:16px 20px;font-size:15.8px;color:#3A3340;display:none}
.tool-result.show{display:block}
@media (max-width:575px){
  .tool-card{padding:22px}
  .tool-form .btn{width:100%;justify-content:center}
}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:all .25s var(--ease)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#F2EBE6}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-cat{align-self:flex-start;font-size:12.5px;font-weight:700;color:var(--brand-3);background:rgba(122,59,255,.1);border-radius:999px;padding:4px 12px;margin-bottom:12px}
.news-title{font-size:18px;line-height:1.5;margin-bottom:10px}
.news-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-summary{color:var(--muted);font-size:15.3px;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.8px;color:var(--muted)}
.news-more{font-weight:700;color:var(--brand-1);white-space:nowrap}
.news-more i{font-size:11px;transition:transform .25s var(--ease)}
.news-more:hover i{transform:translateX(4px)}
.news-empty{background:#fff;border:1px dashed rgba(31,26,36,.16);border-radius:var(--radius);padding:52px 26px;text-align:center;box-shadow:var(--shadow)}
.news-empty-art{width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:rgba(255,90,54,.1);color:var(--brand-1);display:flex;align-items:center;justify-content:center;font-size:24px}
.news-empty p{color:var(--muted);margin-bottom:20px}
.news-empty-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
@media (max-width:991px){.news-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media (max-width:575px){.news-grid{grid-template-columns:1fr}}

/* 口碑条 */
.voices{background:var(--dark);color:#fff;border-radius:32px;padding:56px 44px;margin:0 auto}
.voices .eyebrow{background:rgba(255,255,255,.12);color:#FFD9CE}
.voices h2{color:#fff;margin-bottom:14px}
.voices .section-desc{color:rgba(255,255,255,.72)}
.voice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:8px}
.voice-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:22px}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.voice-avatar{width:40px;height:40px;border-radius:50%;overflow:hidden;flex:0 0 auto;background:#2A2433}
.voice-avatar img{width:100%;height:100%;object-fit:cover}
.voice-name{font-weight:700;font-size:15.5px}
.voice-stars{font-size:12px;color:#FFC65C;letter-spacing:2px}
.voice-card p{color:rgba(255,255,255,.9);font-size:15.5px}
@media (max-width:991px){
  .voices{padding:40px 24px;border-radius:26px}
  .voice-grid{grid-template-columns:1fr}
}

/* CTA 带 */
.cta-band{position:relative;border-radius:32px;overflow:hidden;padding:58px 48px;background:var(--grad);color:#fff;text-align:center}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 82% 10%,rgba(255,255,255,.28),transparent 52%);pointer-events:none}
.cta-band h2{font-size:clamp(24px,3.4vw,34px);color:#fff;margin-bottom:14px;position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.9);max-width:620px;margin:0 auto 28px;position:relative;z-index:2}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;position:relative;z-index:2}
.cta-band .btn-ghost{background:#fff;color:var(--brand-1);border-color:transparent}
.cta-band .btn-ghost:hover{color:var(--brand-3)}
@media (max-width:575px){.cta-band{padding:40px 22px;border-radius:26px}.cta-actions .btn{width:100%;text-align:center}}

/* FAQ */
.faq-acc .accordion-item{background:#fff;border:1px solid var(--line);border-radius:22px!important;margin-bottom:16px;overflow:hidden;box-shadow:var(--shadow)}
.faq-acc .accordion-button{background:#fff;font-weight:700;font-size:17px;color:var(--text);padding:22px 26px;box-shadow:none!important;border-radius:22px!important}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-1);background:#fff}
.faq-acc .accordion-button::after{background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;width:auto;height:auto;transition:transform .3s var(--ease);color:var(--brand-1)}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.faq-acc .accordion-button:focus-visible{outline:3px solid rgba(255,90,54,.5);outline-offset:-4px}
.faq-acc .accordion-body{padding:0 26px 24px;color:var(--muted);font-size:15.8px;border-left:4px solid transparent;border-image:var(--grad) 1;margin-left:0}
@media (max-width:575px){.faq-acc .accordion-button{padding:18px 18px;font-size:16px}.faq-acc .accordion-body{padding:0 18px 20px}}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:96px;padding:72px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .brand{color:#fff;margin-bottom:18px}
.brand--light .brand-text{color:#fff}
.footer-brand p{font-size:15.3px;max-width:32em;color:rgba(255,255,255,.66)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-tags .tag-chip{background:rgba(255,255,255,.1);color:rgba(255,255,255,.8)}
.footer-col h3{font-size:16px;color:#fff;margin-bottom:18px;font-weight:700}
.footer-col li{margin-bottom:11px;font-size:15.2px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:14px;color:rgba(255,255,255,.55)}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr}.site-footer{padding-top:52px;margin-top:64px}}

/* 移动底部 Tab */
.mobile-tabbar{display:none}
@media (max-width:991px){
  .mobile-tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1050;
    background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
    border-top:1px solid rgba(31,26,36,.08);
    padding:8px 6px calc(8px + env(safe-area-inset-bottom));
    box-shadow:0 -8px 26px rgba(31,20,44,.08);
  }
  .tab-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11.5px;font-weight:600;color:#7C7484;padding:4px 0;border-radius:12px;transition:all .25s var(--ease)}
  .tab-item i{font-size:17px}
  .tab-item.active{color:var(--brand-1);transform:translateY(-2px)}
  body{padding-bottom:84px}
}

/* 吸底 CTA */
.bottom-cta{position:fixed;left:14px;right:14px;bottom:calc(84px + env(safe-area-inset-bottom));z-index:1045;display:none;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 10px 9px 20px;box-shadow:0 16px 40px rgba(31,20,44,.18);transform:translateY(150%);opacity:0;transition:all .35s var(--ease)}
.bottom-cta.show{transform:translateY(0);opacity:1}
.bottom-cta p{font-size:14.5px;font-weight:700;flex:1;line-height:1.4}
@media (max-width:991px){.bottom-cta{display:flex}}

/* roulang page: article */
:root{
  --brand:#FF5A36;
  --brand-2:#FF3D77;
  --mint:#12D6C0;
  --purple:#7A3BFF;
  --grad:linear-gradient(118deg,#FF5A36 0%,#FF3D77 48%,#7A3BFF 100%);
  --bg:#FFF9F5;
  --dark:#17131F;
  --ink:#1F1A24;
  --muted:#6B6472;
  --card:#FFFFFF;
  --line:rgba(31,26,36,.10);
  --line-soft:rgba(31,26,36,.06);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh:0 10px 30px rgba(31,20,44,.08);
  --sh-hover:0 18px 45px rgba(255,90,54,.18);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --bs-primary:#FF5A36;
  --bs-body-bg:#FFF9F5;
  --bs-body-color:#1F1A24;
  --bs-border-radius:18px;
  --bs-link-color:#FF5A36;
  --bs-link-hover-color:#7A3BFF;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  padding-bottom:0;
}
img{max-width:100%;display:block;background:#F2EBE6;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--purple);}
h1,h2,h3,h4{font-weight:800;letter-spacing:.01em;color:var(--ink);line-height:1.3;margin:0;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;}
:focus-visible{outline:3px solid rgba(255,90,54,.55);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;
  border-radius:999px;padding:13px 26px;font-size:15.5px;font-weight:700;letter-spacing:.02em;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease);}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(255,90,54,.28);}
.btn-brand:hover{color:#fff;transform:translateY(-3px);box-shadow:var(--sh-hover);}
.btn-brand:active{transform:translateY(-1px);}
.btn-ghost{background:#fff;color:var(--brand);border:1.5px solid rgba(255,90,54,.42);}
.btn-ghost:hover{color:var(--brand);background:#FFF3EE;transform:translateY(-3px);box-shadow:var(--sh);}
.btn-dark{background:var(--dark);color:#fff;}
.btn-dark:hover{color:#fff;transform:translateY(-3px);box-shadow:0 16px 34px rgba(23,19,31,.32);}
.btn-text{background:transparent;color:var(--brand);padding:8px 0;}
.btn-text i{transition:transform var(--ease);}
.btn-text:hover{color:var(--purple);}
.btn-text:hover i{transform:translateX(5px);}
.btn-sm{padding:10px 20px;font-size:14.5px;}

/* ============ 徽章 / 标签 ============ */
.badge-soft{display:inline-flex;align-items:center;gap:7px;padding:7px 15px;border-radius:999px;
  background:rgba(18,214,192,.12);border:1px solid rgba(18,214,192,.42);color:#0B7C73;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;}
.badge-grad{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:12.5px;font-weight:700;letter-spacing:.08em;}
.tag-chip{display:inline-flex;align-items:center;padding:7px 14px;border-radius:999px;background:#fff;
  border:1px solid var(--line);color:var(--muted);font-size:13px;font-weight:600;transition:all var(--ease);}
.tag-chip:hover{color:var(--brand);border-color:rgba(255,90,54,.45);transform:translateY(-2px);}
.stat-row{display:flex;flex-wrap:wrap;gap:14px;}
.stat-pill{flex:1 1 180px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 20px;box-shadow:var(--sh);}
.stat-pill b{display:block;font-size:26px;font-weight:800;color:var(--brand);line-height:1.2;}
.stat-pill span{font-size:13.5px;color:var(--muted);}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,249,245,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;transition:all var(--ease);}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--line-soft);box-shadow:0 8px 24px rgba(31,20,44,.07);}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--ink);font-weight:800;font-size:18px;}
.brand:hover{color:var(--ink);}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;display:inline-flex;
  align-items:center;justify-content:center;font-size:16px;box-shadow:0 8px 20px rgba(255,90,54,.3);}
.brand-text{white-space:nowrap;}
.brand--light{color:#fff;}
.brand--light:hover{color:#fff;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{position:relative;display:inline-block;padding:10px 14px;border-radius:12px;color:var(--ink);
  font-size:15px;font-weight:600;transition:color var(--ease),background-color var(--ease);}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;
  background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);}
.nav-link:hover{color:var(--brand);background:rgba(255,90,54,.07);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{transform:scaleX(1);background:var(--grad);}
.nav-cta{padding:11px 22px;font-size:15px;}

/* ============ 移动底部 Tab ============ */
.mobile-tab{display:none;}
@media (max-width:991.98px){
  .nav-menu{display:none;}
  .nav-cta{display:none;}
  body{padding-bottom:88px;}
  .mobile-tab{position:fixed;left:0;right:0;bottom:0;z-index:1040;display:flex;justify-content:space-around;
    align-items:stretch;background:#fff;border-top:1px solid var(--line);padding:8px 6px calc(8px + env(safe-area-inset-bottom));
    box-shadow:0 -8px 26px rgba(31,20,44,.08);}
  .mobile-tab a{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px 2px;
    color:var(--muted);font-size:11.5px;font-weight:600;border-radius:12px;transition:all var(--ease);}
  .mobile-tab a i{font-size:17px;}
  .mobile-tab a.active{color:var(--brand);transform:translateY(-3px);background:rgba(255,90,54,.08);}
}

/* ============ 面包屑 ============ */
.crumb-wrap{padding:26px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);}
.crumb a{color:var(--muted);font-weight:600;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(31,26,36,.3);}
.crumb .current{color:var(--ink);font-weight:700;}

/* ============ 文章头部 ============ */
.article-head{padding:22px 0 34px;border-bottom:1px solid var(--line-soft);}
.article-head h1{font-size:clamp(28px,4.2vw,42px);max-width:20em;margin:16px 0 18px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;color:var(--muted);font-size:13.8px;}
.meta-row .item{display:inline-flex;align-items:center;gap:7px;}
.meta-row .item i{color:var(--brand);font-size:13px;}
.meta-author{display:inline-flex;align-items:center;gap:9px;font-weight:600;color:var(--ink);}
.meta-author img{width:32px;height:32px;border-radius:50%;object-fit:cover;}

/* ============ 布局 ============ */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:44px;padding:46px 0 72px;align-items:start;}
@media (max-width:991.98px){
  .layout{grid-template-columns:1fr;gap:34px;padding:34px 0 56px;}
}

/* ============ 正文阅读区 ============ */
.article-body{max-width:800px;background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-xl);
  padding:34px 36px 38px;box-shadow:var(--sh);}
@media (max-width:575.98px){
  .article-body{padding:24px 20px 28px;border-radius:var(--r-lg);}
}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;font-size:16.8px;line-height:1.9;color:#2B2430;}
.article-body h2{position:relative;font-size:clamp(21px,2.6vw,26px);margin:2em 0 .85em;padding-left:16px;}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:4px;background:var(--grad);}
.article-body h3{font-size:19.5px;margin:1.6em 0 .7em;color:#241E2B;}
.article-body h4{font-size:17px;margin:1.4em 0 .6em;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:0;}
.article-body ul li,.article-body ol li{position:relative;padding-left:26px;margin-bottom:.62em;line-height:1.85;color:#2B2430;}
.article-body ul li::before{content:"";position:absolute;left:6px;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--mint);}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{content:counter(li);position:absolute;left:0;top:.12em;width:20px;height:20px;
  border-radius:50%;background:var(--grad);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.article-body blockquote{margin:1.5em 0;padding:18px 22px;background:#FFF6F1;border-left:4px solid;
  border-image:var(--grad) 1;border-radius:0 var(--r-sm) var(--r-sm) 0;color:#4A3F55;font-size:16.3px;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:1.4em auto;height:auto;}
.article-body a{font-weight:600;border-bottom:1px solid rgba(255,90,54,.35);}
.article-body a:hover{border-bottom-color:var(--purple);}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:1.4em 0;font-size:15.4px;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;}
.article-body thead th{background:var(--dark);color:#fff;font-weight:700;text-align:left;padding:13px 16px;}
.article-body tbody td{padding:12px 16px;border-top:1px solid var(--line-soft);background:#fff;}
.article-body tbody tr:nth-child(even) td{background:#FFFBF8;}
.article-body .table-wrap{overflow-x:auto;}
.article-body hr{border:none;height:1px;background:var(--line);margin:2em 0;}
.empty-state{text-align:center;padding:26px 10px 10px;}
.empty-state i{font-size:40px;color:rgba(255,90,54,.5);margin-bottom:16px;}
.empty-state h2{font-size:23px;padding:0;margin:0 0 10px;}
.empty-state h2::before{display:none;}
.empty-state p{color:var(--muted);font-size:15.5px;max-width:34em;margin:0 auto 20px;}

/* ============ 文末标签 ============ */
.post-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:28px;padding-top:24px;border-top:1px dashed var(--line);}
.post-tags .label{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.08em;}

/* ============ 相关推荐 ============ */
.block-title{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:0 0 20px;}
.block-title h2{font-size:clamp(21px,2.6vw,26px);}
.block-title p{margin:6px 0 0;color:var(--muted);font-size:14.5px;}
.related{margin-top:52px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
@media (max-width:991.98px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:575.98px){.related-grid{grid-template-columns:1fr;}}
.rcard{display:block;background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);transition:transform var(--ease),box-shadow var(--ease);color:var(--ink);}
.rcard:hover{transform:translateY(-5px);box-shadow:var(--sh-hover);color:var(--ink);}
.rcard .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#F2EBE6;}
.rcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.rcard:hover .thumb img{transform:scale(1.05);}
.rcard .thumb .badge-soft{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);}
.rcard .body{padding:18px 20px 20px;}
.rcard h3{font-size:16.8px;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rcard .sub{font-size:13.6px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rcard .foot{margin-top:14px;font-size:12.8px;color:var(--muted);display:flex;align-items:center;justify-content:space-between;}

/* ============ 上一篇/下一篇 ============ */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px;}
@media (max-width:575.98px){.pager{grid-template-columns:1fr;}}
.pager a{display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line-soft);
  border-radius:var(--r-md);padding:16px 20px;box-shadow:var(--sh);color:var(--ink);transition:all var(--ease);}
.pager a:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);color:var(--brand);}
.pager span{font-size:12.5px;color:var(--muted);letter-spacing:.08em;font-weight:700;}
.pager strong{font-size:15.6px;font-weight:700;}
.back-line{margin-top:26px;}

/* ============ 侧栏 ============ */
.side-card{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--sh);margin-bottom:22px;}
.side-card h3{font-size:17.5px;margin-bottom:6px;}
.side-card .hint{font-size:13.6px;color:var(--muted);margin-bottom:16px;}
.side-list li{display:flex;gap:14px;padding:13px 0;border-bottom:1px dashed var(--line);}
.side-list li:last-child{border-bottom:none;padding-bottom:0;}
.side-list .idx{flex:0 0 30px;height:30px;border-radius:10px;background:rgba(255,90,54,.1);color:var(--brand);
  font-weight:800;font-size:13.5px;display:flex;align-items:center;justify-content:center;}
.side-list a{font-size:15px;font-weight:600;color:var(--ink);line-height:1.6;}
.side-list a:hover{color:var(--brand);}
.side-list .meta{display:block;font-size:12.6px;color:var(--muted);margin-top:3px;font-weight:500;}
.entry-card{background:var(--dark);color:#fff;border-radius:var(--r-lg);padding:26px;box-shadow:0 18px 40px rgba(23,19,31,.24);}
.entry-card h3{color:#fff;font-size:18px;margin-bottom:10px;}
.entry-card p{color:rgba(255,255,255,.78);font-size:14.5px;line-height:1.8;margin-bottom:18px;}
.entry-card .btn{width:100%;}
.entry-card .mini{display:flex;align-items:center;gap:9px;color:rgba(255,255,255,.72);font-size:13px;margin-top:14px;}
.entry-card .dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(18,214,192,.18);}

/* ============ CTA 带 ============ */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-xl);padding:46px 42px;color:#fff;
  background:var(--grad);display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  box-shadow:0 22px 50px rgba(122,59,255,.22);}
.cta-band::after{content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.14);}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,30px);position:relative;}
.cta-band p{color:rgba(255,255,255,.9);margin:8px 0 0;font-size:15.4px;position:relative;max-width:46em;}
.cta-band .actions{position:relative;display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-ghost{background:#fff;color:var(--brand);border-color:transparent;}
.cta-band .btn-ghost:hover{background:#FFF3EE;color:var(--brand);}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.86);margin-top:80px;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px;}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand p{color:rgba(255,255,255,.72);font-size:14.4px;line-height:1.85;margin:16px 0 16px;max-width:32em;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags .tag-chip{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:rgba(255,255,255,.82);}
.footer-tags .tag-chip:hover{color:#fff;border-color:rgba(255,255,255,.4);}
.footer-col h3{color:#fff;font-size:15.6px;margin-bottom:16px;letter-spacing:.06em;}
.footer-col ul li{margin-bottom:11px;font-size:14.2px;color:rgba(255,255,255,.72);}
.footer-col ul li a{color:rgba(255,255,255,.72);}
.footer-col ul li a:hover{color:var(--mint);}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13.2px;color:rgba(255,255,255,.6);}
.footer-bottom p{margin:0;}

/* roulang page: category1 */
:root{
  --brand-1:#FF5A36;
  --brand-2:#FF3D77;
  --brand-3:#7A3BFF;
  --mint:#12D6C0;
  --bg:#FFF9F5;
  --dark:#17131F;
  --text:#1F1A24;
  --muted:#6B6472;
  --line:rgba(31,26,36,.10);
  --img-bg:#F2EBE6;
  --grad:linear-gradient(118deg,#FF5A36 0%,#FF3D77 48%,#7A3BFF 100%);
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-sm:0 10px 30px rgba(31,20,44,.08);
  --shadow-hover:0 18px 45px rgba(255,90,54,.18);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --bs-primary:#FF5A36;
  --bs-body-bg:#FFF9F5;
  --bs-body-color:#1F1A24;
  --bs-border-radius:18px;
  --bs-link-color:#1F1A24;
  --bs-link-hover-color:#FF5A36;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  padding-bottom:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;background:var(--img-bg);}
a{color:var(--text);text-decoration:none;transition:color var(--ease),background var(--ease),transform var(--ease),box-shadow var(--ease);}
a:hover{color:var(--brand-1);}
h1,h2,h3,h4{font-weight:800;letter-spacing:.01em;line-height:1.28;margin:0;color:var(--text);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
:focus-visible{outline:3px solid rgba(255,90,54,.45);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section-head{margin-bottom:40px;max-width:760px;}
.eyebrow{
  display:inline-block;
  font-size:12.5px;
  letter-spacing:.08em;
  font-weight:700;
  color:var(--brand-1);
  background:rgba(255,90,54,.10);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:14px;
}
.section-title{font-size:clamp(24px,3.2vw,34px);}
.section-desc{color:var(--muted);margin-top:14px;font-size:16.5px;max-width:38em;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,249,245,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{
  background:#fff;
  box-shadow:0 8px 26px rgba(31,20,44,.08);
  border-bottom-color:var(--line);
}
.nav-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:14px 0;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:17.5px;
  color:var(--text);
  flex:0 0 auto;
}
.brand-mark{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-size:16px;
  box-shadow:0 8px 20px rgba(255,90,54,.28);
}
.brand-text{white-space:nowrap;}
.brand:hover{color:var(--text);}
.brand--light{color:#fff;}
.brand--light:hover{color:#fff;}
.nav-menu{
  display:flex;
  align-items:center;
  gap:6px;
  margin:0 auto 0 18px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  border-radius:12px;
  font-size:15.5px;
  font-weight:600;
  color:var(--muted);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--mint);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-1);}
.nav-link.active::after{transform:scaleX(1);background:var(--brand-1);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:0;
  border-radius:999px;
  font-weight:700;
  font-size:15.5px;
  padding:12px 26px;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-brand{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 26px rgba(255,90,54,.28);
}
.btn-brand:hover,.btn-brand:focus{color:#fff;transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,90,54,.34);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;
  color:var(--brand-1);
  border:2px solid rgba(255,90,54,.28);
  padding:10px 24px;
}
.btn-ghost:hover{color:var(--brand-1);border-color:var(--brand-1);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-ghost:active{transform:translateY(0);}
.btn-dark{
  background:var(--dark);
  color:#fff;
}
.btn-dark:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 36px rgba(23,19,31,.28);}
.nav-cta{padding:11px 22px;font-size:15px;flex:0 0 auto;}

/* ---------- 移动底部 Tab ---------- */
.mobile-tab{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1040;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding:8px 6px calc(8px + env(safe-area-inset-bottom,0px));
  box-shadow:0 -8px 26px rgba(31,20,44,.08);
}
.mobile-tab__inner{
  display:flex;
  align-items:stretch;
  justify-content:space-between;
  gap:2px;
}
.tab-item{
  flex:1 1 0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  padding:6px 2px;
  border-radius:14px;
  font-size:11.5px;
  font-weight:600;
  color:var(--muted);
  line-height:1.2;
  text-align:center;
}
.tab-item i{font-size:17px;}
.tab-item.active{color:var(--brand-1);background:rgba(255,90,54,.08);transform:translateY(-2px);}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand-1);}
.crumb .sep{color:rgba(31,26,36,.28);}
.crumb .current{font-weight:700;color:var(--text);}

/* ---------- Hero ---------- */
.page-hero{padding:24px 0 0;}
.hero-card{
  position:relative;
  border-radius:var(--radius-xl);
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-sm);
}
.hero-card__media{
  position:relative;
  height:260px;
  overflow:hidden;
}
.hero-card__media img{
  width:100%;height:100%;
  object-fit:cover;
  object-position:center;
}
.hero-card__media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,19,31,.10) 0%,rgba(23,19,31,.55) 100%);
}
.hero-card__tag{
  position:absolute;
  left:24px;top:22px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 15px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  color:var(--brand-1);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.06em;
}
.hero-card__body{
  padding:36px 40px 40px;
}
.hero-card h1{
  font-size:clamp(30px,5vw,52px);
  margin-bottom:14px;
}
.hero-card h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:17.5px;
  color:var(--muted);
  max-width:38em;
  margin-bottom:8px;
}
.hero-note{
  font-size:15px;
  color:rgba(107,100,114,.85);
  max-width:38em;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:26px;
}

/* ---------- 数据徽章 ---------- */
.badge-strip{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.data-badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 20px;
  border-radius:999px;
  background:#fff;
  border:1.5px solid rgba(18,214,192,.45);
  font-size:14.5px;
  color:var(--muted);
  font-weight:600;
  box-shadow:0 6px 18px rgba(31,20,44,.05);
}
.data-badge b{
  font-variant-numeric:tabular-nums;
  font-size:19px;
  font-weight:800;
  color:var(--text);
  letter-spacing:.01em;
}
.data-badge i{color:var(--mint);}

/* ---------- 导语 ---------- */
.lead-block{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:40px;
  align-items:start;
}
.lead-text p{color:var(--muted);font-size:16.5px;max-width:38em;}
.lead-aside{
  background:#fff;
  border-radius:var(--radius-lg);
  padding:26px 28px;
  box-shadow:var(--shadow-sm);
  border:1px solid rgba(255,90,54,.10);
}
.lead-aside h3{font-size:19px;margin-bottom:14px;}
.lead-aside ul li{
  display:flex;
  gap:10px;
  font-size:15.5px;
  color:var(--muted);
  padding:9px 0;
  border-bottom:1px dashed var(--line);
}
.lead-aside ul li:last-child{border-bottom:0;}
.lead-aside ul li i{color:var(--brand-1);margin-top:6px;font-size:13px;}

/* ---------- 编号清单 ---------- */
.checklist-layout{
  display:grid;
  grid-template-columns:.85fr 1.6fr;
  gap:44px;
  align-items:start;
}
.vertical-card{
  position:relative;
  border-radius:var(--radius-xl);
  overflow:hidden;
  background:var(--img-bg);
  box-shadow:var(--shadow-sm);
  position:sticky;
  top:96px;
}
.vertical-card img{
  width:100%;
  aspect-ratio:3/4;
  object-fit:cover;
}
.vertical-card__overlay{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:24px;
  background:linear-gradient(180deg,rgba(23,19,31,0) 0%,rgba(23,19,31,.82) 100%);
  color:#fff;
}
.vertical-card__overlay span{
  display:inline-block;
  font-size:12px;
  letter-spacing:.08em;
  font-weight:700;
  color:#fff;
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.28);
  border-radius:999px;
  padding:5px 12px;
  margin-bottom:10px;
}
.vertical-card__overlay p{
  margin:0;
  font-size:14.5px;
  color:rgba(255,255,255,.9);
  line-height:1.7;
}
.step-list{display:grid;gap:16px;}
.step-item{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:20px;
  background:#fff;
  border-radius:var(--radius-lg);
  padding:24px 26px;
  box-shadow:var(--shadow-sm);
  border:1px solid rgba(31,26,36,.05);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(255,90,54,.22);
}
.step-num{
  font-variant-numeric:tabular-nums;
  font-size:24px;
  font-weight:800;
  line-height:1;
  padding-top:6px;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.step-item h3{font-size:19.5px;margin-bottom:8px;}
.step-item p{color:var(--muted);font-size:15.8px;margin:0;}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag-chip{
  display:inline-block;
  font-size:12.5px;
  font-weight:600;
  color:var(--brand-1);
  background:rgba(255,90,54,.09);
  border-radius:999px;
  padding:5px 12px;
}
.tag-chip--mint{color:#0B9C8C;background:rgba(18,214,192,.13);}

/* ---------- 环境卡片 ---------- */
.env-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.env-card{
  background:#fff;
  border-radius:var(--radius-lg);
  padding:28px 26px;
  box-shadow:var(--shadow-sm);
  border:1px solid rgba(31,26,36,.05);
  transition:transform var(--ease),box-shadow var(--ease);
}
.env-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.env-icon{
  width:52px;height:52px;
  border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(18,214,192,.14);
  color:#0B9C8C;
  font-size:20px;
  margin-bottom:18px;
}
.env-card h3{font-size:19px;margin-bottom:10px;}
.env-card p{color:var(--muted);font-size:15.5px;margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{
  border:0;
  border-radius:var(--radius-lg)!important;
  background:#fff;
  box-shadow:var(--shadow-sm);
  margin-bottom:14px;
  overflow:hidden;
}
.accordion-button{
  font-size:17px;
  font-weight:700;
  color:var(--text);
  background:#fff;
  padding:20px 24px;
  border-radius:var(--radius-lg)!important;
  box-shadow:none!important;
  gap:14px;
}
.accordion-button:not(.collapsed){
  color:var(--brand-1);
  background:#fff;
  box-shadow:inset 4px 0 0 0 var(--brand-1)!important;
}
.accordion-button::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free","Font Awesome 5 Free";
  font-weight:900;
  background-image:none;
  width:auto;height:auto;
  font-size:13px;
  color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;
  transition:transform var(--ease);
  margin-left:auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-body{
  padding:4px 24px 24px;
  color:var(--muted);
  font-size:16px;
  line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-xl);
  background:var(--dark);
  color:#fff;
  padding:56px 48px;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:18px;
  box-shadow:0 24px 60px rgba(23,19,31,.24);
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,54,.55) 0%,rgba(122,59,255,.0) 70%);
  pointer-events:none;
}
.cta-band::after{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:5px;
  background:var(--grad);
}
.cta-band h2{
  color:#fff;
  font-size:clamp(24px,3.2vw,34px);
  position:relative;
}
.cta-band p{
  color:rgba(255,255,255,.82);
  max-width:38em;
  margin:0;
  position:relative;
  font-size:16.5px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;margin-top:6px;}
.cta-band .btn-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.38);
}
.cta-band .btn-ghost:hover{color:#fff;border-color:#fff;box-shadow:0 16px 36px rgba(255,255,255,.12);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.86);
  padding:72px 0 28px;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand p{
  color:rgba(255,255,255,.66);
  font-size:15px;
  max-width:32em;
  margin-top:16px;
}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.site-footer .tag-chip{
  color:rgba(255,255,255,.86);
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.16);
}
.footer-col h3{
  color:#fff;
  font-size:16px;
  margin-bottom:16px;
  font-weight:700;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a,
.footer-col ul li span{
  color:rgba(255,255,255,.68);
  font-size:15px;
}
.footer-col ul li a:hover{color:var(--mint);}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
}
.footer-bottom p{
  margin:0;
  font-size:13.5px;
  color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-menu{gap:2px;}
  .nav-link{padding:8px 9px;font-size:14.5px;}
}
@media (max-width:991px){
  body{padding-bottom:84px;}
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .mobile-tab{display:block;}
  .nav-menu{
    display:flex;
    flex-wrap:nowrap;
    overflow-x:auto;
    margin:0 0 0 10px;
    padding-bottom:2px;
    scrollbar-width:none;
    -ms-overflow-style:none;
  }
  .nav-menu::-webkit-scrollbar{display:none;}
  .nav-cta{display:none;}
  .hero-card__body{padding:28px 24px 32px;}
  .lead-block{grid-template-columns:1fr;gap:26px;}
  .checklist-layout{grid-template-columns:1fr;gap:28px;}
  .vertical-card{position:static;}
  .vertical-card img{aspect-ratio:16/10;}
  .env-grid{grid-template-columns:1fr 1fr;gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:44px 28px;}
  .site-footer{margin-top:64px;padding-top:56px;}
}
@media (max-width:575px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  .brand-text{font-size:15.5px;}
  .brand-mark{width:34px;height:34px;font-size:15px;}
  .nav-bar{padding:12px 0;gap:8px;}
  .hero-card__media{height:180px;}
  .hero-card__tag{left:16px;top:14px;font-size:12px;padding:6px 12px;}
  .hero-card__body{padding:24px 18px 28px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .badge-strip{gap:10px;margin-top:20px;}
  .data-badge{padding:10px 16px;font-size:13.5px;width:100%;justify-content:flex-start;}
  .step-item{grid-template-columns:48px 1fr;gap:14px;padding:20px 18px;}
  .step-num{font-size:20px;}
  .env-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{padding:36px 20px;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;}
  .crumb{font-size:13px;}
}

/* roulang page: category2 */
:root{
  --brand:#FF5A36;
  --brand-2:#FF3D77;
  --mint:#12D6C0;
  --violet:#7A3BFF;
  --grad:linear-gradient(118deg,#FF5A36 0%,#FF3D77 48%,#7A3BFF 100%);
  --bg:#FFF9F5;
  --dark:#17131F;
  --text:#1F1A24;
  --muted:#6B6472;
  --line:#F0E5DE;
  --surface:#FFFFFF;
  --placeholder:#F2EBE6;
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow:0 10px 30px rgba(31,20,44,.08);
  --shadow-hover:0 18px 45px rgba(255,90,54,.18);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --gap-section:100px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-bottom:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;line-height:1.35;}
p{margin:0;}
button,input{font-family:inherit;}
:focus-visible{outline:3px solid rgba(255,90,54,.55);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}

/* ============ 按钮 ============ */
.btn{
  --bs-btn-focus-box-shadow:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  font-weight:700;
  font-size:15.5px;
  padding:12px 26px;
  border:1.5px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn:active{transform:translateY(1px) scale(.99);}
.btn-brand{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(255,90,54,.28);
}
.btn-brand:hover{color:#fff;transform:translateY(-3px);box-shadow:0 18px 40px rgba(255,90,54,.35);}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  border-color:rgba(255,90,54,.45);
  box-shadow:0 6px 18px rgba(31,20,44,.06);
}
.btn-ghost:hover{color:var(--brand-2);border-color:var(--brand-2);transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.btn-dark-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.5);
}
.btn-dark-ghost:hover{color:#fff;background:rgba(255,255,255,.12);transform:translateY(-3px);}
.btn-link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:700;
  color:var(--brand);
  padding:0;
  border:0;
  background:none;
}
.btn-link-arrow i{transition:transform var(--ease);}
.btn-link-arrow:hover i{transform:translateX(5px);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  padding:14px 0;
  transition:padding var(--ease),background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  padding:8px 0;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(8px);
  box-shadow:0 8px 26px rgba(31,20,44,.09);
}
.nav-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:18px;
  color:var(--text);
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-size:16px;
  box-shadow:0 8px 20px rgba(255,90,54,.3);
  flex:0 0 auto;
}
.brand--light{color:#fff;}
.brand--light:hover{color:#fff;}

.nav-menu{
  display:flex;
  align-items:center;
  gap:6px;
  margin:0;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15.5px;
  font-weight:600;
  color:var(--muted);
  border-radius:999px;
  transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,90,54,.06);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{transform:scaleX(1);}
.nav-cta{padding:10px 22px;font-size:15px;}

/* ============ 面包屑 ============ */
.breadcrumb-bar{
  padding:22px 0 4px;
}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--muted);
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:#C9BEB6;}
.crumbs .current{color:var(--text);font-weight:700;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:34px 0 60px;
  overflow:hidden;
}
.hero-wave{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  opacity:.07;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  max-width:840px;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--brand);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  box-shadow:0 6px 18px rgba(31,20,44,.05);
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,5vw,52px);
  font-weight:800;
  line-height:1.22;
  margin-bottom:20px;
}
.hero h1 .hl{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  font-size:17.5px;
  color:var(--muted);
  max-width:640px;
  margin-bottom:14px;
}
.hero-sub{
  font-size:15.5px;
  color:#8A8391;
  max-width:620px;
  margin-bottom:30px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:38px;
}
.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.data-badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 20px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:0 8px 22px rgba(31,20,44,.06);
}
.data-badge .num{
  font-variant-numeric:tabular-nums;
  font-size:22px;
  font-weight:800;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  letter-spacing:-.01em;
}
.data-badge .lbl{
  font-size:13.5px;
  color:var(--muted);
  font-weight:600;
}

/* ============ 板块通用 ============ */
.section{padding:var(--gap-section) 0;}
.section--tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.sec-tag{
  display:inline-block;
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.08em;
  color:var(--violet);
  background:rgba(122,59,255,.09);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:16px;
}
.sec-title{
  font-size:clamp(24px,3.2vw,34px);
  margin-bottom:14px;
}
.sec-desc{
  color:var(--muted);
  font-size:16.5px;
  max-width:660px;
}

/* ============ 卡片瀑布 ============ */
.card-waterfall .step-card{
  height:100%;
  background:var(--surface);
  border-radius:var(--r-xl);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;
  flex-direction:column;
}
.card-waterfall .step-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(255,90,54,.25);
}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  background:var(--placeholder);
  overflow:hidden;
}
.card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s cubic-bezier(.2,.7,.3,1);
}
.step-card:hover .card-media img{transform:scale(1.04);}
.card-corner{
  position:absolute;
  top:14px;left:14px;
  padding:6px 14px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.04em;
  color:#fff;
  background:var(--grad);
  box-shadow:0 8px 20px rgba(255,90,54,.32);
}
.card-corner--mint{
  background:var(--mint);
  color:#0B3B36;
  box-shadow:0 8px 20px rgba(18,214,192,.3);
}
.card-corner--violet{
  background:var(--violet);
  box-shadow:0 8px 20px rgba(122,59,255,.3);
}
.card-body{
  padding:24px 26px 26px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.card-title{
  font-size:20px;
  font-weight:800;
  line-height:1.45;
}
.card-text{
  color:var(--muted);
  font-size:15.5px;
}
.card-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px dashed var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.chip{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  color:var(--brand);
  background:rgba(255,90,54,.08);
}
.chip--mint{color:#0E8E81;background:rgba(18,214,192,.13);}
.chip--violet{color:#6A31E8;background:rgba(122,59,255,.1);}

/* ============ 对比徽章条 ============ */
.compare-wrap{
  margin-top:52px;
  padding:26px 0 6px;
  border-top:1px solid var(--line);
}
.compare-title{
  font-size:15px;
  font-weight:800;
  color:var(--muted);
  letter-spacing:.08em;
  margin-bottom:18px;
}
.compare-strip{
  display:flex;
  gap:14px;
  overflow-x:auto;
  padding-bottom:12px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.compare-strip::-webkit-scrollbar{height:6px;}
.compare-strip::-webkit-scrollbar-thumb{background:#E9DCD4;border-radius:999px;}
.compare-item{
  flex:0 0 auto;
  scroll-snap-align:start;
  min-width:210px;
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 20px;
  border-radius:var(--r-md);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:0 6px 18px rgba(31,20,44,.05);
  transition:transform var(--ease),box-shadow var(--ease);
}
.compare-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.compare-item .ic{
  width:38px;height:38px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(18,214,192,.14);
  color:#0E8E81;
  font-size:16px;
}
.compare-item strong{
  display:block;
  font-size:15px;
  font-weight:800;
}
.compare-item span{
  display:block;
  font-size:13px;
  color:var(--muted);
}

/* ============ 准备事项（图文） ============ */
.prep{
  background:#fff;
  border-radius:var(--r-xl);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.prep-media{
  position:relative;
  height:100%;
  min-height:320px;
  background:var(--placeholder);
}
.prep-media img{
  width:100%;height:100%;
  object-fit:cover;
  position:absolute;inset:0;
}
.prep-content{padding:44px 44px 44px 30px;}
.prep-list{margin-top:26px;display:grid;gap:16px;}
.prep-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:16px 18px;
  border-radius:var(--r-md);
  background:#FFF9F5;
  border:1px solid var(--line);
  transition:transform var(--ease),box-shadow var(--ease);
}
.prep-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.prep-item .dot{
  width:30px;height:30px;flex:0 0 auto;
  border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad);
  color:#fff;font-size:13px;font-weight:800;
}
.prep-item h3{font-size:17px;margin-bottom:4px;}
.prep-item p{font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ============ FAQ ============ */
.faq .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-lg) !important;
  background:#fff;
  margin-bottom:16px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.faq .accordion-button{
  position:relative;
  background:#fff;
  color:var(--text);
  font-weight:700;
  font-size:17px;
  padding:22px 56px 22px 26px;
  box-shadow:none !important;
  transition:color var(--ease),background var(--ease);
}
.faq .accordion-button:not(.collapsed){color:var(--brand);background:#fff;}
.faq .accordion-button::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:4px;
  border-radius:0 4px 4px 0;
  background:var(--grad);
  opacity:0;
  transition:opacity var(--ease);
}
.faq .accordion-button:not(.collapsed)::before{opacity:1;}
.faq .accordion-button::after{
  background-image:none;
  width:10px;height:10px;
  border-right:2.5px solid var(--muted);
  border-bottom:2.5px solid var(--muted);
  transform:rotate(45deg);
  transition:transform var(--ease),border-color var(--ease);
  position:absolute;
  right:26px;
  margin:0;
}
.faq .accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg);
  border-color:var(--brand);
}
.faq .accordion-body{
  padding:0 26px 24px;
  color:var(--muted);
  font-size:15.8px;
  line-height:1.9;
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  border-radius:var(--r-xl);
  background:var(--dark);
  overflow:hidden;
  padding:56px 46px;
  color:#fff;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-90px;top:-90px;
  width:340px;height:340px;
  border-radius:50%;
  background:var(--grad);
  opacity:.42;
  filter:blur(6px);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.cta-band h2{
  font-size:clamp(23px,3vw,32px);
  margin-bottom:12px;
}
.cta-band p{
  color:rgba(255,255,255,.82);
  max-width:600px;
  font-size:16px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.86);
  padding:74px 0 34px;
  margin-top:var(--gap-section);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:44px;
}
.footer-brand p{
  margin:18px 0 20px;
  font-size:14.8px;
  line-height:1.9;
  color:rgba(255,255,255,.7);
  max-width:340px;
}
.footer-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag-chip{
  display:inline-block;
  padding:5px 14px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  color:#fff;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
}
.footer-col h3{
  font-size:15.5px;
  font-weight:800;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.04em;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col li{
  font-size:14.5px;
  color:rgba(255,255,255,.68);
}
.footer-col a{
  color:rgba(255,255,255,.75);
  font-size:14.5px;
}
.footer-col a:hover{color:var(--mint);}
.footer-bottom{
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13.5px;
  color:rgba(255,255,255,.55);
}

/* ============ 移动底部 Tab ============ */
.mobile-tab{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1100;
  display:none;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  box-shadow:0 -8px 24px rgba(31,20,44,.08);
  padding:8px 6px calc(8px + env(safe-area-inset-bottom));
}
.mobile-tab ul{
  display:flex;
  align-items:flex-end;
  justify-content:space-around;
}
.mobile-tab a{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:4px;
  font-size:11.5px;
  font-weight:600;
  color:var(--muted);
  padding:4px 2px;
  border-radius:12px;
  transition:color var(--ease),transform var(--ease);
}
.mobile-tab a i{font-size:17px;}
.mobile-tab a:hover{color:var(--brand);}
.mobile-tab a.active{
  color:var(--brand);
  transform:translateY(-4px);
}
.mobile-tab a.active i{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* ============ 响应式 ============ */
@media (max-width:991px){
  :root{
    --gap-section:64px;
  }
  body{padding-bottom:84px;}
  .nav-menu{display:none;}
  .nav-cta{display:none;}
  .mobile-tab{display:block;}
  .site-header{padding:10px 0;}
  .hero{padding:22px 0 40px;}
  .section{padding:var(--gap-section) 0;}
  .prep-content{padding:32px 26px;}
  .prep-media{min-height:220px;position:relative;height:220px;}
  .cta-band{padding:38px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:575.98px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  .brand{font-size:16px;}
  .brand-mark{width:34px;height:34px;font-size:14px;}
  .hero-actions .btn{width:100%;}
  .data-badge{width:100%;justify-content:flex-start;}
  .card-body{padding:20px 20px 22px;}
  .card-title{font-size:18px;}
  .section{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category3 */
:root{
  --brand:#FF5A36;
  --brand-2:#FF3D77;
  --brand-3:#7A3BFF;
  --mint:#12D6C0;
  --bg:#FFF9F5;
  --dark:#17131F;
  --text:#1F1A24;
  --muted:#6B6472;
  --line:#F0E5DD;
  --card:#FFFFFF;
  --soft:#FFF2EC;
  --grad:linear-gradient(118deg,#FF5A36 0%,#FF3D77 48%,#7A3BFF 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-1:0 10px 30px rgba(31,20,44,.08);
  --shadow-2:0 18px 45px rgba(255,90,54,.18);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --sec:100px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-bottom:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:var(--ease);}
a:hover{color:var(--brand-2);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;line-height:1.3;}
p{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,90,54,.35);border-radius:8px;}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em;}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.section{padding:var(--sec) 0;}
.section--tight{padding:72px 0;}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:700;color:var(--brand);
  background:var(--soft);border:1px solid #FFD9CB;border-radius:999px;
  padding:6px 14px;margin-bottom:16px;
}
.sec-title{font-size:clamp(24px,3.2vw,34px);}
.sec-desc{margin-top:14px;color:var(--muted);max-width:38em;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,249,245,.96);
  border-bottom:1px solid transparent;
  transition:var(--ease);
}
.site-header.scrolled{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:0 8px 26px rgba(31,20,44,.07);
}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:16px;
  box-shadow:0 8px 18px rgba(255,90,54,.3);
}
.brand-text{font-size:17px;color:var(--text);letter-spacing:.01em;}
.brand--light .brand-text{color:#fff;}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--muted);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;
  background:var(--mint);transform:scaleX(0);transform-origin:left;transition:var(--ease);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{transform:scaleX(1);background:var(--grad);}
.nav-cta{padding:11px 22px;font-size:15px;}

/* ============ Buttons ============ */
.btn{border-radius:999px;font-weight:700;transition:var(--ease);border:2px solid transparent;display:inline-flex;align-items:center;gap:8px;}
.btn-brand{background:var(--grad);color:#fff;padding:13px 28px;box-shadow:0 10px 24px rgba(255,90,54,.28);}
.btn-brand:hover,.btn-brand:focus{color:#fff;transform:translateY(-3px);box-shadow:var(--shadow-2);}
.btn-brand:active{transform:translateY(-1px);}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand);padding:11px 26px;}
.btn-ghost:hover,.btn-ghost:focus{background:var(--soft);color:var(--brand);transform:translateY(-3px);box-shadow:0 12px 26px rgba(255,90,54,.14);}
.btn-light{background:#fff;color:var(--dark);padding:13px 28px;}
.btn-light:hover{color:var(--brand);transform:translateY(-3px);box-shadow:0 18px 40px rgba(0,0,0,.22);}
.link-more{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--brand);}
.link-more i{transition:var(--ease);}
.link-more:hover i{transform:translateX(5px);}

/* ============ Tags / Badges ============ */
.tag-chip{
  display:inline-block;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--muted);
}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.stat-badge{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:10px 18px;border-radius:999px;background:#fff;
  border:1px solid #D8F6F1;box-shadow:0 8px 20px rgba(18,214,192,.10);
}
.stat-badge .v{font-size:20px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;}
.stat-badge .u{font-size:13px;font-weight:700;color:var(--mint);}
.stat-badge .t{font-size:13px;color:var(--muted);}

/* ============ Breadcrumb ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#D9CCC4;}
.crumb .cur{color:var(--text);font-weight:700;}

/* ============ Hero ============ */
.hero{position:relative;padding:56px 0 84px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:linear-gradient(90deg,#FF5A36 1px,transparent 1px),linear-gradient(#FF5A36 1px,transparent 1px);
  background-size:64px 64px;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.22;}
.hero h1 em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:20px;font-size:17px;color:var(--muted);max-width:34em;}
.hero-sub strong{color:var(--text);font-weight:700;}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);
  box-shadow:var(--shadow-1);background:#F2EBE6;
}
.hero-float{
  position:absolute;left:-14px;bottom:-18px;background:#fff;border-radius:var(--r-md);
  padding:14px 18px;box-shadow:var(--shadow-1);display:flex;align-items:center;gap:12px;
}
.hero-float i{color:var(--mint);font-size:20px;}
.hero-float span{font-size:13.5px;color:var(--muted);}
.hero-float b{display:block;color:var(--text);font-size:15px;}
.hero-badges{margin-top:42px;}

/* ============ Matrix ============ */
.matrix{
  background:#fff;border-radius:var(--r-xl);box-shadow:var(--shadow-1);overflow:hidden;
  border:1px solid var(--line);
}
.matrix-head{
  display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr 1.5fr;gap:14px;
  background:var(--dark);color:#fff;padding:20px 26px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
}
.matrix-row{
  display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr 1.5fr;gap:14px;
  padding:20px 26px;align-items:center;border-top:1px solid var(--line);
  font-size:15px;color:var(--muted);
}
.matrix-row:nth-child(odd){background:#FFFBF8;}
.matrix-row:hover{background:#FFF6F1;}
.mx-name{display:flex;align-items:center;gap:11px;color:var(--text);font-weight:700;font-size:15.5px;}
.mx-name i{
  width:30px;height:30px;border-radius:10px;display:grid;place-items:center;
  background:var(--soft);color:var(--brand);font-size:13px;flex:0 0 auto;
}
.mx-cell{display:flex;align-items:center;gap:7px;}
.mx-cell i.ok{color:var(--mint);font-size:12px;}
.mx-cell i.half{color:#F2A03D;font-size:12px;}
.mx-tip{color:var(--text);font-size:14.5px;}

/* ============ Scene cards ============ */
.card-soft{
  background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-1);
  border:1px solid var(--line);overflow:hidden;height:100%;transition:var(--ease);
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.card-soft img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#F2EBE6;}
.card-body{padding:24px 26px 28px;}
.card-body h3{font-size:20px;margin-bottom:12px;}
.card-body p{color:var(--muted);font-size:15px;}
.card-meta{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px;}

/* ============ Notes list ============ */
.note-list{display:grid;gap:16px;}
.note-item{
  display:flex;gap:18px;align-items:flex-start;background:#fff;border-radius:var(--r-lg);
  padding:22px 24px;border:1px solid var(--line);box-shadow:0 6px 20px rgba(31,20,44,.05);
  transition:var(--ease);
}
.note-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#FFD9CB;}
.note-no{
  flex:0 0 auto;width:44px;height:44px;border-radius:14px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;box-shadow:0 8px 18px rgba(255,90,54,.26);
}
.note-item h3{font-size:17.5px;margin-bottom:6px;}
.note-item p{color:var(--muted);font-size:15px;}

/* ============ Dark panel ============ */
.panel-dark{
  background:var(--dark);border-radius:var(--r-xl);padding:56px 44px;color:#fff;
  position:relative;overflow:hidden;
}
.panel-dark::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:var(--grad);opacity:.22;filter:blur(10px);
}
.panel-dark h2{font-size:clamp(22px,3vw,30px);position:relative;z-index:2;}
.panel-dark p.lead-line{color:rgba(255,255,255,.78);margin-top:14px;max-width:38em;position:relative;z-index:2;}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:40px;position:relative;z-index:2;}
.metric{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-md);padding:22px 24px;}
.metric .n{font-size:32px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.metric .n span{font-size:16px;color:var(--mint);-webkit-text-fill-color:var(--mint);margin-left:4px;}
.metric .d{color:rgba(255,255,255,.72);font-size:14px;margin-top:6px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;}
.accordion-item{
  border:1px solid var(--line);border-radius:var(--r-lg)!important;overflow:hidden;
  background:#fff;box-shadow:0 6px 20px rgba(31,20,44,.05);margin-bottom:16px;
}
.accordion-button{
  font-weight:700;font-size:16.5px;color:var(--text);background:#fff;
  padding:22px 26px;box-shadow:none!important;position:relative;gap:16px;
}
.accordion-button::after{
  background:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand);transition:var(--ease);transform:none;
  width:auto;height:auto;display:grid;place-items:center;margin-left:auto;
}
.accordion-button:not(.collapsed){color:var(--brand);background:#FFFBF8;}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;background:var(--grad);
}
.accordion-body{padding:0 26px 24px;color:var(--muted);font-size:15.5px;}

/* ============ CTA ============ */
.cta-band{
  background:var(--grad);border-radius:var(--r-xl);padding:56px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  box-shadow:0 22px 50px rgba(122,59,255,.22);
}
.cta-band h2{font-size:clamp(22px,3vw,32px);max-width:18em;}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.88);max-width:30em;font-size:15.5px;}

/* ============ Footer ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.82);padding:76px 0 28px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand p{margin-top:18px;font-size:14.5px;color:rgba(255,255,255,.68);max-width:30em;}
.footer-tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags .tag-chip{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14);color:rgba(255,255,255,.78);}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:11px;}
.footer-col li,.footer-col a{font-size:14.5px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--mint);}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.55);}

/* ============ Mobile tab ============ */
.mobile-tab{display:none;}

@media (max-width:991px){
  :root{--sec:60px;}
  body{padding-bottom:88px;}
  .nav-menu{display:none;}
  .nav-cta{display:none;}
  .site-header{background:#fff;border-bottom-color:var(--line);}
  .hero{padding:36px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media img{aspect-ratio:16/10;}
  .hero-float{position:static;margin-top:14px;left:0;bottom:0;}
  .metric-grid{grid-template-columns:1fr;}
  .panel-dark{padding:40px 24px;}
  .cta-band{padding:40px 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .mobile-tab{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -8px 26px rgba(31,20,44,.10);
    padding:8px 6px calc(8px + env(safe-area-inset-bottom));
  }
  .tab-item{
    flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;
    font-size:11.5px;font-weight:600;color:var(--muted);padding:6px 2px;border-radius:14px;
  }
  .tab-item i{font-size:17px;}
  .tab-item.active{color:var(--brand);transform:translateY(-3px);}
  .tab-item.active i{filter:drop-shadow(0 6px 10px rgba(255,90,54,.35));}
}

@media (max-width:767px){
  .matrix-head{display:none;}
  .matrix{border-radius:var(--r-lg);background:transparent;box-shadow:none;border:none;}
  .matrix-row{
    display:block;background:#fff!important;border:1px solid var(--line);
    border-radius:var(--r-lg);padding:18px 20px;margin-bottom:14px;
    box-shadow:0 6px 20px rgba(31,20,44,.06);
  }
  .mx-name{margin-bottom:10px;font-size:16px;}
  .mx-cell{
    display:flex;justify-content:space-between;align-items:center;gap:14px;
    padding:9px 0;border-bottom:1px dashed var(--line);font-size:14.5px;
  }
  .mx-cell:last-child{border-bottom:0;}
  .mx-cell::before{
    content:attr(data-label);font-weight:700;color:var(--text);font-size:13px;flex:0 0 auto;
  }
}

@media (max-width:575px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;justify-content:center;}
  .stat-badge{padding:9px 14px;}
  .stat-badge .v{font-size:18px;}
  .panel-dark,.cta-band{padding:32px 20px;border-radius:var(--r-lg);}
}

/* roulang page: category4 */
:root{
  --brand-1:#FF5A36;
  --brand-2:#FF3D77;
  --brand-3:#7A3BFF;
  --mint:#12D6C0;
  --brand-gradient:linear-gradient(118deg,#FF5A36 0%,#FF3D77 48%,#7A3BFF 100%);
  --bg:#FFF9F5;
  --bg-soft:#FFF3EE;
  --dark:#17131F;
  --dark-soft:#221C2C;
  --text:#1F1A24;
  --muted:#6B6472;
  --line:#EFE4DD;
  --white:#FFFFFF;
  --img-bg:#F2EBE6;
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-sm:0 8px 22px rgba(31,20,44,.06);
  --shadow:0 10px 30px rgba(31,20,44,.08);
  --shadow-hover:0 18px 45px rgba(255,90,54,.18);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#FFF9F5;
  --bs-body-color:#1F1A24;
  --bs-primary:#FF5A36;
  --bs-primary-rgb:255,90,54;
  --bs-border-radius:18px;
  --bs-border-radius-lg:24px;
  --bs-link-color:#FF5A36;
  --bs-link-hover-color:#12D6C0;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-1)}
p{margin:0 0 1em}
h1,h2,h3,h4{font-weight:800;letter-spacing:.01em;line-height:1.32;margin:0 0 .6em;color:var(--text)}
h1{font-size:clamp(30px,5vw,52px)}
h2{font-size:clamp(24px,3.2vw,34px)}
h3{font-size:21px}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(255,90,54,.55);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:1200px;padding-inline:20px;margin-inline:auto}
.section{padding:clamp(56px,8vw,104px) 0}
.section--tight{padding:clamp(44px,6vw,72px) 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;font-weight:700;
  color:var(--brand-1);text-transform:uppercase;
  background:rgba(255,90,54,.09);border-radius:999px;padding:7px 16px;margin-bottom:18px;
}
.section-lead{max-width:640px;color:var(--muted);font-size:17px;margin-bottom:0}
.center{text-align:center}
.center .section-lead{margin-inline:auto}
.text-grad{background:var(--brand-gradient);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,249,245,.92);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow var(--ease),background var(--ease),border-color var(--ease)}
.site-header.is-stuck{background:rgba(255,255,255,.96);box-shadow:0 8px 26px rgba(31,20,44,.09);border-bottom-color:var(--line)}
.nav-bar{display:flex;align-items:center;gap:26px;height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-gradient);color:#fff;font-size:17px;
  box-shadow:0 8px 18px rgba(255,90,54,.32);
}
.brand-text{font-weight:800;font-size:18px;letter-spacing:.01em;white-space:nowrap}
.brand--light .brand-text{color:#fff}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;padding:9px 14px;border-radius:12px;
  font-size:15.5px;font-weight:600;color:var(--text);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover{color:var(--brand-1)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-1)}
.nav-link.active::after{transform:scaleX(1)}
.nav-cta{flex:0 0 auto}
.btn{border-radius:999px;font-weight:700;font-size:15.5px;padding:12px 24px;border:1px solid transparent;transition:all var(--ease);line-height:1.2}
.btn:focus-visible{outline:3px solid rgba(255,90,54,.55);outline-offset:3px}
.btn-brand{background:var(--brand-gradient);color:#fff;box-shadow:0 10px 26px rgba(255,90,54,.3)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,90,54,.36)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand-1);border-color:rgba(255,90,54,.45);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{color:var(--brand-1);border-color:var(--brand-1);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-light-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-light-ghost:hover{color:#fff;background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand-1);font-weight:700;padding:0}
.btn-link-arrow i{transition:transform var(--ease)}
.btn-link-arrow:hover i{transform:translateX(5px)}
.nav-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;width:44px;height:44px;color:var(--text);font-size:18px;align-items:center;justify-content:center}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:clamp(48px,7vw,88px) 0 clamp(40px,5vw,64px)}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 320px at 8% 12%,rgba(255,90,54,.13),transparent 70%),
    radial-gradient(520px 300px at 92% 0%,rgba(122,59,255,.12),transparent 72%),
    radial-gradient(420px 260px at 60% 100%,rgba(18,214,192,.10),transparent 70%);
  pointer-events:none;
}
.hero-wave{position:absolute;left:0;right:0;bottom:0;height:120px;opacity:.08;pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:center}
.hero h1{margin-bottom:18px}
.hero-hello{display:block;font-size:13px;letter-spacing:.16em;font-weight:700;color:var(--brand-1);margin-bottom:14px;text-transform:uppercase}
.hero-sub{font-size:18px;color:var(--text);max-width:36ch;margin-bottom:8px;font-weight:600}
.hero-note{font-size:15.5px;color:var(--muted);max-width:40ch;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-visual{position:relative;border-radius:var(--radius-xl);overflow:hidden;box-shadow:0 24px 60px rgba(31,20,44,.16);background:var(--img-bg)}
.hero-visual img{width:100%;aspect-ratio:4/5;object-fit:cover}
.hero-float{
  position:absolute;left:18px;bottom:18px;right:18px;
  background:rgba(23,19,31,.86);color:#fff;border-radius:var(--radius-md);
  padding:14px 18px;display:flex;align-items:center;gap:12px;backdrop-filter:blur(6px);
}
.hero-float i{color:var(--mint);font-size:18px}
.hero-float span{font-size:14.5px;line-height:1.5;color:rgba(255,255,255,.9)}

/* ---------- badges ---------- */
.badge-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:clamp(30px,4vw,48px)}
.badge-card{
  background:#fff;border-radius:var(--radius-lg);padding:20px 22px;box-shadow:var(--shadow);
  border:1px solid var(--line);transition:transform var(--ease),box-shadow var(--ease)
}
.badge-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.badge-num{font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1;background:var(--brand-gradient);-webkit-background-clip:text;background-clip:text;color:transparent}
.badge-num small{font-size:15px;font-weight:700;margin-left:3px}
.badge-label{display:block;font-size:14px;color:var(--muted);margin-top:6px}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14.5px;color:var(--muted);padding:18px 0 0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand-1)}
.crumb .sep{color:#C9BEB6}
.crumb strong{color:var(--text);font-weight:700}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:clamp(28px,4vw,44px)}
.timeline::before{
  content:"";position:absolute;left:26px;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,#FF5A36 0%,#FF3D77 48%,#7A3BFF 100%);opacity:.45;
}
.step{position:relative;display:flex;gap:22px;align-items:flex-start;padding-bottom:26px}
.step:last-child{padding-bottom:0}
.step-node{
  flex:0 0 54px;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand-gradient);color:#fff;font-weight:800;font-size:18px;
  font-variant-numeric:tabular-nums;box-shadow:0 12px 26px rgba(255,90,54,.28);position:relative;z-index:1
}
.step-card{
  flex:1;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 26px;box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease)
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.step-card h3{margin-bottom:8px;font-size:20px}
.step-card p{color:var(--muted);font-size:16px;margin-bottom:10px}
.step-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.02em;color:#0B7C72;background:rgba(18,214,192,.14);border-radius:999px;padding:5px 12px}
.tag--warm{color:#C2320F;background:rgba(255,90,54,.12)}

/* ---------- quick cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.qcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform var(--ease),box-shadow var(--ease)
}
.qcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.qcard-media{position:relative;background:var(--img-bg)}
.qcard-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.qcard-chip{
  position:absolute;top:14px;left:14px;background:rgba(23,19,31,.82);color:#fff;
  font-size:12.5px;font-weight:700;border-radius:999px;padding:6px 13px;backdrop-filter:blur(4px)
}
.qcard-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.qcard-body h3{font-size:19.5px;margin-bottom:8px}
.qcard-body p{font-size:15.5px;color:var(--muted);margin-bottom:14px}
.qcard-body .btn-link-arrow{margin-top:auto}

/* ---------- voice ---------- */
.voice{background:var(--dark);color:#fff;border-radius:var(--radius-xl);padding:clamp(36px,5vw,56px);position:relative;overflow:hidden}
.voice::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:var(--brand-gradient);opacity:.18;filter:blur(6px)
}
.voice h2{color:#fff;position:relative}
.voice .section-lead{color:rgba(255,255,255,.7);position:relative}
.voice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:32px;position:relative}
.voice-item{
  display:flex;gap:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-lg);padding:20px 22px;transition:background var(--ease),transform var(--ease)
}
.voice-item:hover{background:rgba(255,255,255,.11);transform:translateY(-3px)}
.voice-avatar{width:44px;height:44px;border-radius:50%;overflow:hidden;flex:0 0 44px;background:#2C2436}
.voice-avatar img{width:100%;height:100%;object-fit:cover}
.voice-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:4px}
.voice-name{font-weight:700;font-size:15.5px;color:#fff}
.voice-stars{color:#FFC14D;font-size:12.5px;letter-spacing:2px}
.voice-item p{color:rgba(255,255,255,.78);font-size:15px;margin:0;line-height:1.7}

/* ---------- faq ---------- */
.accordion{--bs-accordion-border-width:0;--bs-accordion-bg:#fff}
.accordion-item{
  border:none;border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow);
  margin-bottom:14px;overflow:hidden;border:1px solid var(--line)
}
.accordion-button{
  font-weight:700;font-size:17.5px;color:var(--text);background:#fff;
  padding:22px 26px;border-radius:var(--radius-lg)!important;box-shadow:none!important;gap:14px
}
.accordion-button:not(.collapsed){color:var(--brand-1);background:var(--bg-soft)}
.accordion-button::after{
  content:"";width:10px;height:10px;border-right:2px solid var(--brand-1);border-bottom:2px solid var(--brand-1);
  background-image:none;transform:rotate(45deg);transition:transform var(--ease);flex:0 0 auto;margin-left:auto;margin-top:-5px
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);margin-top:4px}
.accordion-button:focus{box-shadow:none;outline:3px solid rgba(255,90,54,.45);outline-offset:-3px}
.accordion-body{padding:4px 26px 24px;color:var(--muted);font-size:16px;background:#fff}
.accordion-body strong{color:var(--text)}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);padding:clamp(38px,5vw,62px);
  background:var(--brand-gradient);color:#fff;text-align:center;box-shadow:0 24px 60px rgba(255,90,54,.28)
}
.cta-band::before{
  content:"";position:absolute;left:-60px;bottom:-80px;width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.16)
}
.cta-band h2{color:#fff;position:relative}
.cta-band p{color:rgba(255,255,255,.9);max-width:56ch;margin:0 auto 26px;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;position:relative}
.cta-band .btn-ghost{background:#fff;color:var(--brand-1);border-color:#fff}
.cta-band .btn-ghost:hover{background:#FFF3EE;color:var(--brand-1)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.82);padding:clamp(48px,6vw,76px) 0 26px;margin-top:clamp(56px,8vw,96px)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand p{color:rgba(255,255,255,.66);font-size:15px;margin:16px 0 18px;max-width:34ch}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag-chip{font-size:12.5px;font-weight:700;color:#fff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:5px 12px}
.footer-col h3{font-size:16px;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:11px;font-size:15px;color:rgba(255,255,255,.7)}
.footer-col ul li a{color:rgba(255,255,255,.78)}
.footer-col ul li a:hover{color:var(--mint)}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:14px;color:rgba(255,255,255,.56)
}
.footer-bottom p{margin:0}

/* ---------- mobile tabbar ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;
  background:rgba(255,255,255,.98);border-top:1px solid var(--line);
  box-shadow:0 -8px 24px rgba(31,20,44,.08);
  padding:8px 6px calc(8px + env(safe-area-inset-bottom));
}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;
  font-size:11.5px;font-weight:700;color:var(--muted);padding:6px 2px;border-radius:14px;transition:all var(--ease)
}
.tabbar a i{font-size:18px}
.tabbar a.active{color:var(--brand-1);transform:translateY(-3px)}
.tabbar a.active i{filter:drop-shadow(0 6px 10px rgba(255,90,54,.35))}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .nav-menu{gap:2px}
  .nav-link{padding:9px 10px;font-size:15px}
}
@media (max-width:991.98px){
  body{padding-bottom:86px}
  .nav-menu,.nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-bar{height:66px}
  .site-header.is-open .nav-menu{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;left:16px;right:16px;top:70px;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius-lg);box-shadow:0 20px 44px rgba(31,20,44,.14);padding:14px
  }
  .site-header.is-open .nav-menu .nav-link{padding:13px 14px;border-radius:14px;background:#FFF9F5}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-visual{max-width:420px;margin-inline:auto}
  .badge-strip{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .tabbar{display:flex}
}
@media (max-width:575.98px){
  body{font-size:16px}
  .container{padding-inline:16px}
  .hero{padding-top:32px}
  .hero-sub{font-size:17px}
  .badge-strip{grid-template-columns:1fr;gap:12px}
  .grid-3,.grid-2,.voice-grid{grid-template-columns:1fr}
  .timeline::before{left:22px}
  .step{gap:14px}
  .step-node{flex:0 0 46px;width:46px;height:46px;font-size:16px}
  .step-card{padding:20px 20px;border-radius:var(--radius-lg)}
  .accordion-button{padding:18px 18px;font-size:16.5px}
  .accordion-body{padding:2px 18px 20px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}
  .hero-actions .btn{width:100%;justify-content:center;text-align:center}
  .cta-actions .btn{width:100%;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}