/* roulang page: index */
:root{
  --brand:#0EA5A0;
  --brand-dark:#0B7F78;
  --brand-deep:#062E2C;
  --brand-light:#4FD1C5;
  --brand-pale:#D8F5F1;
  --violet:#7B5CFA;
  --orange:#FF8A3D;
  --coral:#FF5E7A;
  --ink:#0B1F1E;
  --text:#3E5453;
  --muted:#7C918F;
  --line:#E3EDEB;
  --bg:#F6F9F8;
  --card:#FFFFFF;
  --dark:#08201F;
  --soft:#F1F5F4;
  --r-lg:24px;
  --r-sm:16px;
  --shadow-sm:0 1px 2px rgba(11,31,30,.05), 0 2px 8px rgba(11,31,30,.04);
  --shadow-md:0 8px 24px -8px rgba(11,31,30,.14);
  --shadow-lg:0 24px 60px -24px rgba(14,165,160,.35);
  --shadow-cta:0 12px 28px -12px rgba(255,94,122,.55);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  text-align:left;
}
img{max-width:100%;display:block;}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25;}
p{margin:0 0 1.2em;text-align:left;}
ul{margin:0;padding:0;list-style:none;}
h1{font-size:clamp(30px,4.6vw,54px);line-height:1.15;font-weight:800;letter-spacing:-0.02em;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
.num{font-variant-numeric:tabular-nums;font-weight:800;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.nav-wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container-x,.nav-wrap{padding:0 32px;}}
@media(min-width:1280px){.container-x,.nav-wrap{padding:0 48px;}}
.section{margin-top:56px;}
@media(min-width:1024px){.section{margin-top:100px;}}
.eyebrow{font-size:12px;letter-spacing:.08em;color:var(--brand-dark);font-weight:600;text-transform:uppercase;}
.grad-text{background-image:linear-gradient(90deg,#0EA5A0,#4FD1C5);-webkit-background-clip:text;background-clip:text;color:transparent;}
.grad-brand{background-image:linear-gradient(135deg,#0EA5A0,#7B5CFA);}
.grad-cta{background-image:linear-gradient(120deg,#FF8A3D,#FF5E7A);}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;border:0;cursor:pointer;text-decoration:none;transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out;}
.btn:hover{text-decoration:none;}
.btn-cta{background-image:linear-gradient(120deg,#FF8A3D,#FF5E7A);color:#fff;box-shadow:var(--shadow-cta);}
.btn-cta:hover{transform:translateY(-1px);color:#fff;box-shadow:0 16px 34px -12px rgba(255,94,122,.65);}
.btn-cta:active{transform:translateY(1px);}
.btn-ghost{background:#fff;border:1.5px solid var(--brand);color:var(--brand-dark);}
.btn-ghost:hover{background:var(--brand-pale);color:var(--brand-dark);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-dark);}
.btn-link svg{transition:transform .2s ease-out;}
.btn-link:hover svg{transform:translateX(3px);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;background:rgba(14,165,160,.09);color:var(--brand-dark);}
.badge-violet{background:rgba(123,92,250,.10);color:#5A3FE0;}
.badge-orange{background:#fff;border:1px solid var(--orange);color:#C25A15;}
.badge-white{background:rgba(255,255,255,.9);color:var(--brand-dark);}
.dot{width:6px;height:6px;border-radius:50%;background:#2BD98A;box-shadow:0 0 0 3px rgba(43,217,138,.18);}
/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(6px);transition:box-shadow .2s ease-out,background-color .2s ease-out;}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);background:rgba(255,255,255,.92);}
.nav-inner{display:flex;align-items:center;gap:16px;height:68px;}
@media(min-width:1024px){.nav-inner{height:76px;}}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:17px;letter-spacing:-.01em;flex-shrink:0;}
.logo:hover{color:var(--ink);text-decoration:none;}
.logo-mark{width:34px;height:34px;border-radius:11px;background-image:linear-gradient(135deg,#0EA5A0,#7B5CFA);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);}
.logo-badge{font-size:11px;font-weight:700;padding:3px 8px;border-radius:999px;background:var(--brand-pale);color:var(--brand-dark);letter-spacing:.04em;}
.nav-links{display:none;align-items:center;gap:4px;margin-left:12px;}
@media(min-width:1024px){.nav-links{display:flex;}}
.nav-links a{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 12px;border-radius:999px;font-size:15px;font-weight:500;color:var(--text);}
.nav-links a:hover{color:var(--brand-dark);text-decoration:none;}
.nav-links a::after{content:"";position:absolute;left:20%;right:20%;bottom:2px;height:2px;border-radius:2px;background-image:linear-gradient(90deg,#0EA5A0,#7B5CFA);transform:scaleX(0);transition:transform .2s ease-out;}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{background:var(--brand-pale);color:var(--brand-dark);font-weight:600;}
.nav-links a.active::after{display:none;}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-status{display:none;}
@media(min-width:1280px){.nav-status{display:inline-flex;}}
.nav-cta{display:none;}
@media(min-width:1024px){.nav-cta{display:inline-flex;height:44px;padding:0 20px;font-size:14px;}}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;cursor:pointer;}
@media(min-width:1024px){.nav-toggle{display:none;}}
.drawer{position:fixed;inset:0;z-index:80;display:none;}
.drawer.open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(8,32,31,.55);backdrop-filter:blur(4px);}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(340px,86vw);background:#fff;padding:20px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;border-radius:24px 0 0 24px;transform:translateX(100%);transition:transform .24s ease-out;}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-panel a.drawer-link{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 14px;border-radius:14px;font-size:16px;font-weight:600;color:var(--ink);}
.drawer-panel a.drawer-link:hover{background:var(--soft);text-decoration:none;}
.drawer-panel a.drawer-link.active{background:var(--brand-pale);color:var(--brand-dark);}
/* Hero */
.hero{position:relative;overflow:hidden;background-image:linear-gradient(135deg,rgba(14,165,160,.16),rgba(123,92,250,.16)),linear-gradient(#ffffff,#ffffff);}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(0px);pointer-events:none;}
.hero::before{width:420px;height:420px;left:-160px;bottom:-180px;background:radial-gradient(circle,rgba(14,165,160,.22),rgba(14,165,160,0) 70%);}
.hero::after{width:380px;height:380px;right:-140px;top:-150px;background:radial-gradient(circle,rgba(123,92,250,.20),rgba(123,92,250,0) 70%);}
.hero-grid{position:relative;z-index:2;display:grid;gap:32px;padding:40px 0 56px;align-items:center;}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px;min-height:600px;padding:64px 0 72px;}}
.hero-wing{position:absolute;right:2%;top:8%;width:26%;max-width:320px;opacity:.07;pointer-events:none;z-index:1;}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.hero-sub{font-size:17px;line-height:1.85;color:var(--text);max-width:600px;margin:18px 0 26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.trust-row{display:flex;flex-wrap:wrap;gap:20px;margin-top:26px;}
.trust-item{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text);}
.trust-item svg{flex-shrink:0;color:var(--brand);}
.hero-media{position:relative;}
.hero-media img{width:100%;height:auto;border-radius:24px;box-shadow:var(--shadow-lg);object-fit:cover;}
.hero-float{position:absolute;background:#fff;border-radius:16px;box-shadow:var(--shadow-md);padding:12px 16px;border:1px solid var(--line);}
.hero-float .k{font-size:12px;color:var(--muted);}
.hero-float .v{font-size:22px;color:var(--ink);}
.hf-1{left:-14px;top:38px;transform:rotate(-3deg);}
.hf-2{right:-10px;bottom:64px;transform:rotate(2deg);}
.hf-3{left:24px;bottom:-18px;background:rgba(255,255,255,.35);backdrop-filter:blur(7px);}
@media(max-width:767px){.hero-float{position:static;display:inline-block;margin:8px 8px 0 0;transform:none;}}
.hero-slider{display:flex;gap:10px;overflow-x:auto;padding:4px 0 12px;margin-top:16px;scrollbar-width:none;}
.hero-slider::-webkit-scrollbar{display:none;}
/* 卡片 */
.card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:24px;transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-light);}
.card-icon{width:40px;height:40px;border-radius:14px;display:flex;align-items:center;justify-content:center;background-image:linear-gradient(135deg,#0EA5A0,#7B5CFA);color:#fff;margin-bottom:16px;}
.card-points{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.card-points li{display:flex;gap:8px;align-items:flex-start;font-size:14.5px;color:var(--text);}
.card-points svg{flex-shrink:0;margin-top:5px;color:var(--brand);}
.card-top-bar{height:3px;border-radius:3px;background-image:linear-gradient(90deg,#0EA5A0,#7B5CFA);width:56px;margin-bottom:18px;}
.pain-list{border-top:1px solid var(--line);}
.pain-item{display:flex;align-items:center;gap:18px;padding:22px 12px;border-bottom:1px solid var(--line);transition:transform .2s ease-out;}
.pain-item:hover{transform:translateX(4px);}
.pain-idx{flex-shrink:0;width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;color:var(--brand-dark);border:1.5px solid var(--brand-light);background:#fff;transition:background-color .2s ease-out,color .2s ease-out;}
.pain-item:hover .pain-idx{background-image:linear-gradient(135deg,#0EA5A0,#7B5CFA);color:#fff;border-color:transparent;}
.pain-q{font-size:16px;font-weight:600;color:var(--ink);}
.pain-d{font-size:14px;color:var(--muted);margin-top:2px;}
/* 数据区 */
.data-band{position:relative;overflow:hidden;background:var(--dark);border-radius:24px;padding:44px 24px;}
@media(min-width:768px){.data-band{padding:64px 48px;}}
.data-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(79,209,197,.16) 1px,transparent 1px);background-size:22px 22px;opacity:.5;pointer-events:none;}
.data-grid{position:relative;z-index:2;display:grid;gap:20px;grid-template-columns:1fr;}
@media(min-width:640px){.data-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.data-grid{grid-template-columns:repeat(4,1fr);}}
.data-card{background:rgba(255,255,255,.05);border:1px solid rgba(79,209,197,.22);border-radius:20px;padding:22px;}
.data-card .num{font-size:clamp(32px,4vw,48px);line-height:1.1;background-image:linear-gradient(90deg,#0EA5A0,#4FD1C5);-webkit-background-clip:text;background-clip:text;color:transparent;}
.data-card .cap{font-size:14px;color:#B7CFCD;margin-top:6px;}
.data-line{height:1px;background-image:linear-gradient(90deg,#0EA5A0,#4FD1C5);opacity:.6;margin:14px 0;}
/* 资讯卡 */
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;height:100%;}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-light);text-decoration:none;}
.news-thumb{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--soft);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-title{font-size:17.5px;font-weight:700;color:var(--ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-sum{font-size:14px;color:var(--text);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);margin-top:auto;}
.empty-box{min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;border:1px dashed var(--line);border-radius:24px;background:#fff;text-align:center;padding:24px;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;font-size:13px;font-weight:600;color:var(--text);background:#fff;border:1px solid var(--line);}
.chip:hover{border-color:var(--brand-light);color:var(--brand-dark);text-decoration:none;}
.chip.active{background-image:linear-gradient(135deg,#0EA5A0,#7B5CFA);color:#fff;border-color:transparent;}
/* 表单 */
.form-shell{display:grid;gap:28px;}
@media(min-width:1024px){.form-shell{grid-template-columns:1fr 1fr;gap:48px;align-items:start;}}
.form-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px 22px;box-shadow:var(--shadow-sm);overflow:hidden;}
.form-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background-image:linear-gradient(120deg,#FF8A3D,#FF5E7A);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.field input,.field select,.field textarea{width:100%;min-height:48px;border:1px solid var(--line);border-radius:14px;padding:11px 14px;background:#fff;font-size:15px;transition:border-color .2s ease-out,box-shadow .2s ease-out;}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,165,160,.14);}
.form-note{display:flex;gap:8px;align-items:flex-start;font-size:12.5px;color:var(--muted);margin-top:12px;}
/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:20px;background:#fff;overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out;}
.faq-item+.faq-item{margin-top:12px;}
.faq-item:hover{border-color:var(--brand-light);box-shadow:var(--shadow-sm);}
.faq-item summary{display:flex;align-items:center;gap:12px;min-height:56px;padding:12px 20px;cursor:pointer;font-size:16px;font-weight:600;color:var(--ink);list-style:none;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-q{width:26px;height:26px;flex-shrink:0;border-radius:50%;background:var(--brand-pale);color:var(--brand-dark);font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;}
.faq-plus{margin-left:auto;color:var(--brand);font-size:20px;line-height:1;transition:transform .22s ease-out;}
.faq-item[open] .faq-plus{transform:rotate(45deg);}
.faq-body{padding:0 20px 20px 58px;font-size:15px;line-height:1.85;color:var(--text);}
@media(max-width:639px){.faq-body{padding-left:20px;}}
/* 隐私 & CTA */
.soft-panel{background:var(--soft);border-radius:20px;padding:28px 22px;}
@media(min-width:768px){.soft-panel{padding:36px 40px;}}
.cta-bar{position:relative;overflow:hidden;border-radius:28px;background-image:linear-gradient(135deg,#0EA5A0,#7B5CFA);padding:36px 24px;display:grid;gap:24px;}
@media(min-width:768px){.cta-bar{grid-template-columns:1fr auto;align-items:center;padding:44px 48px;}}
.cta-bar h2,.cta-bar p{color:#fff;}
.cta-wing{position:absolute;right:-40px;bottom:-60px;width:300px;opacity:.10;pointer-events:none;}
/* 页脚 */
.site-footer{position:relative;background:var(--dark);color:#B7CFCD;margin-top:64px;overflow:hidden;}
@media(min-width:1024px){.site-footer{margin-top:110px;}}
.footer-wing{position:absolute;left:-60px;top:-40px;width:320px;opacity:.08;pointer-events:none;}
.footer-inner{position:relative;z-index:2;padding:52px 0 28px;}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr 1.3fr;}}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;}
.footer-logo:hover{color:#fff;text-decoration:none;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;}
.footer-links a{display:block;font-size:14px;color:#B7CFCD;padding:5px 0;}
.footer-links a:hover{color:var(--brand-light);text-decoration:none;}
.footer-input{display:flex;gap:8px;margin-top:12px;}
.footer-input input{flex:1;min-height:44px;border-radius:14px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;}
.footer-input input::placeholder{color:#7C918F;}
.footer-input input:focus{outline:none;border-color:var(--brand-light);}
.footer-bottom{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.12);padding:18px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8FA9A7;}
.footer-bottom a{color:#8FA9A7;}
.footer-bottom a:hover{color:var(--brand-light);}
/* 弹层 */
.modal{position:fixed;inset:0;z-index:90;display:none;}
.modal.open{display:block;}
.modal-mask{position:absolute;inset:0;background:rgba(8,32,31,.55);backdrop-filter:blur(4px);}
.modal-panel{position:absolute;left:0;right:0;bottom:0;background:#fff;border-radius:24px 24px 0 0;padding:24px;max-height:90vh;overflow-y:auto;}
@media(min-width:768px){.modal-panel{left:50%;bottom:auto;top:50%;transform:translate(-50%,-50%);width:480px;border-radius:24px;}}
.modal-close{position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;}
.success-box{text-align:center;padding:26px 6px 8px;}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .card:hover,.news-card:hover,.btn:hover,.pain-item:hover{transform:none!important;}
}

@media(min-width:1024px){
  .resolve-grid{grid-template-columns:repeat(3,1fr);}
  .wide-card-grid{grid-template-columns:1.15fr .85fr;}
  .news-grid{grid-template-columns:repeat(3,1fr);}
  .news-card-big{grid-column:span 2;}
  .news-card-big .news-title{font-size:22px;-webkit-line-clamp:2;}
  .news-card-big .news-sum{-webkit-line-clamp:3;font-size:15px;}
  .news-card-big .news-thumb{aspect-ratio:21/9;}
  .faq-grid{grid-template-columns:repeat(2,1fr);gap:0 24px;}
}
@media(min-width:640px) and (max-width:1023px){
  .resolve-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-card-big{grid-column:span 2;}
}

/* roulang page: article */
:root{
  --brand:#0EA5A0;
  --brand-dark:#0B7F78;
  --brand-deep:#062E2C;
  --brand-light:#4FD1C5;
  --brand-pale:#D8F5F1;
  --purple:#7B5CFA;
  --orange:#FF8A3D;
  --coral:#FF5E7A;
  --ink:#0B1F1E;
  --body:#3E5453;
  --muted:#7C918F;
  --line:#E3EDEB;
  --page:#F6F9F8;
  --card:#FFFFFF;
  --dark:#08201F;
  --pale:#F1F5F4;
  --shadow-sm:0 1px 2px rgba(11,31,30,.05),0 2px 8px rgba(11,31,30,.04);
  --shadow-md:0 8px 24px -8px rgba(11,31,30,.14);
  --shadow-lg:0 24px 60px -24px rgba(14,165,160,.35);
  --shadow-cta:0 12px 28px -12px rgba(255,94,122,.55);
  --r-lg:24px;
  --r-sm:16px;
  --grad-brand:linear-gradient(135deg,#0EA5A0 0%,#7B5CFA 100%);
  --grad-cta:linear-gradient(120deg,#FF8A3D 0%,#FF5E7A 100%);
  --grad-data:linear-gradient(90deg,#0EA5A0 0%,#4FD1C5 100%);
  --font-cn:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
button,input,select,textarea{font-family:inherit;font-size:100%;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink);}
ul,ol{margin:0;}
p{margin:0;}
svg{display:block;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.num,[data-num]{font-variant-numeric:tabular-nums;font-weight:800;}

.container-x{max-width:1280px;margin:0 auto;padding:0 20px;}
.container-main{max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container-x,.container-main{padding:0 32px;}}
@media(min-width:1280px){.container-x,.container-main{padding:0 48px;}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease-out,background-color .22s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);background:rgba(255,255,255,.97);}
.nav-inner{
  max-width:1280px;margin:0 auto;padding:0 20px;
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:14px;
}
@media(min-width:768px){.nav-inner{padding:0 32px;}}
@media(min-width:1024px){.nav-inner{height:76px;}}
@media(min-width:1280px){.nav-inner{padding:0 48px;}}
.logo{display:inline-flex;align-items:center;gap:8px;font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em;text-decoration:none;white-space:nowrap;}
.logo:hover{color:var(--ink);text-decoration:none;}
.logo-mark{width:32px;height:32px;border-radius:10px;background:var(--grad-brand);display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);flex:none;}
.logo-badge{font-size:11px;font-weight:600;letter-spacing:.08em;color:var(--brand-dark);background:var(--brand-pale);border-radius:999px;padding:2px 8px;}
.nav-links{display:none;}
@media(min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:26px;}
  .nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--body);padding:7px 2px;text-decoration:none;}
  .nav-links a::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:60%;height:2px;border-radius:2px;background:var(--grad-brand);opacity:0;transition:opacity .2s ease-out;}
  .nav-links a:hover{color:var(--brand-dark);text-decoration:none;}
  .nav-links a:hover::after{opacity:1;}
  .nav-links a.active{color:var(--brand-dark);background:var(--brand-pale);border-radius:999px;padding:7px 14px;}
  .nav-links a.active::after{opacity:0;}
}
.nav-right{display:flex;align-items:center;gap:10px;}
.nav-status{display:none;}
@media(min-width:900px){.nav-status{display:inline-flex;}}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;line-height:1.6;padding:4px 10px;border-radius:999px;background:rgba(14,165,160,.08);color:var(--brand-dark);white-space:nowrap;}
.badge .dot{width:6px;height:6px;border-radius:50%;background:#22C55E;box-shadow:0 0 0 3px rgba(34,197,94,.18);flex:none;}
.badge-orange{background:rgba(255,138,61,.12);color:#B9541A;border:1px solid rgba(255,138,61,.35);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;border:none;
  font-size:15px;font-weight:600;line-height:1;text-decoration:none;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}
.btn-cta{background:var(--grad-cta);color:#fff;box-shadow:var(--shadow-cta);position:relative;overflow:hidden;}
.btn-cta:hover{color:#fff;box-shadow:0 16px 34px -14px rgba(255,94,122,.72);}
.btn-cta::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.42),transparent);transform:skewX(-18deg);transition:left .5s ease-out;}
.btn-cta:hover::after{left:120%;}
.nav-cta{height:40px;padding:0 18px;font-size:14px;}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:var(--pale);border:1px solid var(--line);}
.nav-toggle:hover{background:var(--brand-pale);}
@media(min-width:1024px){.nav-toggle{display:none;}}

/* ============ 移动抽屉 ============ */
.mobile-drawer{position:fixed;inset:0;z-index:80;pointer-events:none;}
.mobile-drawer .drawer-mask{position:absolute;inset:0;background:rgba(8,32,31,.55);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);opacity:0;transition:opacity .24s ease-out;}
.mobile-drawer .drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:84%;max-width:340px;
  background:#fff;padding:22px 20px 32px;overflow-y:auto;
  transform:translateX(100%);transition:transform .24s ease-out;
  box-shadow:-16px 0 40px -20px rgba(11,31,30,.4);
}
.mobile-drawer.open{pointer-events:auto;}
.mobile-drawer.open .drawer-mask{opacity:1;}
.mobile-drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.drawer-title{font-size:13px;letter-spacing:.08em;color:var(--muted);font-weight:700;}
.drawer-close{width:36px;height:36px;border-radius:50%;background:var(--pale);border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;}
.drawer-panel > a{display:block;font-size:16px;font-weight:500;color:var(--ink);padding:14px 4px;border-bottom:1px solid var(--line);text-decoration:none;}
.drawer-panel > a:hover{color:var(--brand-dark);background:var(--pale);text-decoration:none;}
.drawer-status{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.drawer-cta{width:100%;margin-top:18px;}

/* ============ 文章页主体 ============ */
.page-wrap{padding-top:28px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--muted);text-decoration:none;}
.breadcrumb a:hover{color:var(--brand-dark);}
.breadcrumb .sep{color:#C6D6D4;}
.breadcrumb .current{color:var(--ink);max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
@media(min-width:768px){.breadcrumb .current{max-width:420px;}}

.article-layout{
  max-width:1200px;margin:0 auto;padding:0 20px;
  display:grid;grid-template-columns:minmax(0,1fr);gap:36px;
}
@media(min-width:768px){.article-layout{padding:0 32px;}}
@media(min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:44px;padding:0 48px;align-items:start;}
}
.article-head{padding:26px 0 0;}
.article-title{
  font-size:clamp(26px,3.4vw,40px);line-height:1.25;font-weight:800;letter-spacing:-.02em;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-top:18px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;margin-top:18px;font-size:14px;color:var(--muted);}
.article-meta .tag-cat{font-size:13px;font-weight:600;color:var(--brand-dark);background:var(--brand-pale);border-radius:999px;padding:3px 12px;}
.article-meta .sep{color:#C6D6D4;}
.article-cover{margin:26px 0 0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

.article-body-card{margin-top:34px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 20px;box-shadow:var(--shadow-sm);}
@media(min-width:768px){.article-body-card{padding:40px 44px;}}

.prose-cn{max-width:760px;font-size:17px;line-height:1.9;color:var(--body);}
.prose-cn > *:first-child{margin-top:0;}
.prose-cn p{margin:0 0 1.2em;}
.prose-cn h2{
  position:relative;font-size:24px;line-height:1.4;font-weight:700;color:var(--ink);
  margin:2.1em 0 .8em;padding-left:14px;scroll-margin-top:110px;
}
.prose-cn h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--grad-brand);}
.prose-cn h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--ink);margin:1.7em 0 .6em;}
.prose-cn h4{font-size:17px;font-weight:700;color:var(--ink);margin:1.4em 0 .5em;}
.prose-cn ul,.prose-cn ol{padding-left:1.4em;margin:0 0 1.2em;}
.prose-cn li{margin:.45em 0;}
.prose-cn ul li::marker{color:var(--brand);}
.prose-cn ol li::marker{color:var(--brand);font-weight:800;}
.prose-cn blockquote{margin:1.6em 0;padding:16px 20px;background:var(--brand-pale);border-left:4px solid var(--brand);border-radius:12px;color:#1D4E4B;}
.prose-cn blockquote p:last-child{margin-bottom:0;}
.prose-cn img{border-radius:16px;margin:1.5em auto;height:auto;}
.prose-cn figure{margin:1.6em 0;}
.prose-cn figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.prose-cn code{background:var(--pale);border-radius:6px;padding:2px 6px;font-size:.92em;color:var(--brand-deep);}
.prose-cn pre{background:var(--dark);color:#D8F5F1;border-radius:16px;padding:18px;overflow-x:auto;font-size:14px;line-height:1.7;margin:1.6em 0;}
.prose-cn pre code{background:transparent;color:inherit;padding:0;}
.prose-cn table{
  width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);
  border-radius:14px;overflow:hidden;margin:1.6em 0;font-size:15px;
}
.prose-cn th{background:var(--pale);color:var(--ink);font-weight:700;text-align:left;padding:12px 14px;}
.prose-cn td{padding:12px 14px;border-top:1px solid var(--line);}
.prose-cn tbody tr:nth-child(even) td{background:#FAFCFC;}
.prose-cn a{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;}
.prose-cn a:hover{color:var(--brand);}
.prose-cn hr{border:none;border-top:1px solid var(--line);margin:2.2em 0;}

.empty-state{
  min-height:300px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:44px 20px;background:var(--card);border:1px solid var(--line);border-radius:20px;margin-top:34px;
}
.empty-state h2{font-size:20px;font-weight:700;}
.empty-state p{font-size:15px;color:var(--muted);max-width:420px;}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.tag{font-size:13px;color:var(--brand-dark);background:var(--brand-pale);border-radius:999px;padding:7px 15px;text-decoration:none;transition:background-color .2s ease-out,color .2s ease-out;}
.tag:hover{background:var(--brand);color:#fff;text-decoration:none;}

.article-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:26px;padding-top:24px;border-top:1px solid var(--line);}
.btn-ghost{background:#fff;border:1.5px solid var(--brand);color:var(--brand-dark);}
.btn-ghost:hover{background:var(--brand-pale);color:var(--brand-dark);}

/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:20px;margin-top:8px;}
@media(min-width:1280px){.article-side{position:sticky;top:100px;margin-top:44px;}}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow-sm);}
.side-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;}
.side-title i{width:8px;height:8px;border-radius:3px;background:var(--grad-brand);display:inline-block;flex:none;}
.side-list a{display:block;font-size:14px;padding:10px 0;border-bottom:1px dashed var(--line);color:var(--body);text-decoration:none;transition:color .2s ease-out,padding-left .2s ease-out;}
.side-list a:last-child{border-bottom:none;}
.side-list a:hover{color:var(--brand-dark);padding-left:4px;text-decoration:none;}
.side-cta{background:var(--grad-brand);border:none;color:#fff;}
.side-cta .side-title{color:#fff;}
.side-cta p{font-size:14px;color:rgba(255,255,255,.86);margin:0 0 16px;}
.side-cta .btn-light{background:#fff;color:var(--brand-dark);width:100%;}
.side-cta .btn-light:hover{color:var(--brand-dark);background:#F3FFFE;}

/* 相关推荐 */
.related-section{padding:64px 0 0;}
@media(min-width:1024px){.related-section{padding:88px 0 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.01em;}
.section-head p{font-size:14px;color:var(--muted);margin-top:8px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-dark);text-decoration:none;}
.link-more svg{transition:transform .2s ease-out;}
.link-more:hover{text-decoration:none;color:var(--brand);}
.link-more:hover svg{transform:translateX(3px);}
.rel-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:640px){.rel-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.rel-grid{grid-template-columns:repeat(3,1fr);}}
.rel-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:20px;
  overflow:hidden;text-decoration:none;box-shadow:var(--shadow-sm);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-light);text-decoration:none;}
.rel-card .rel-pic{overflow:hidden;aspect-ratio:16/9;background:var(--pale);}
.rel-card .rel-pic img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
.rel-card:hover .rel-pic img{transform:scale(1.03);}
.rel-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-tag{font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--brand-dark);background:var(--brand-pale);border-radius:999px;padding:3px 10px;align-self:flex-start;}
.rel-body h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-body p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}
.rel-foot .num{color:var(--ink);}

/* CTA 条 */
.cta-band{
  margin:64px 0 0;border-radius:28px;padding:34px 26px;
  background:var(--grad-brand);color:#fff;
  display:flex;flex-direction:column;gap:24px;
  box-shadow:var(--shadow-lg);scroll-margin-top:110px;
}
@media(min-width:900px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:40px 48px;gap:40px;}}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,32px);line-height:1.3;font-weight:800;letter-spacing:-.01em;max-width:560px;}
.cta-band p{color:rgba(255,255,255,.88);font-size:15px;margin-top:12px;max-width:560px;}
.cta-band-form{display:flex;flex-wrap:wrap;gap:10px;min-width:0;}
.cta-band-form input{
  flex:1 1 200px;min-width:0;height:50px;border-radius:14px;border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.16);color:#fff;padding:0 16px;font-size:15px;outline:none;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.cta-band-form input::placeholder{color:rgba(255,255,255,.75);}
.cta-band-form input:focus{border-color:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.24);}
.btn-light{background:#fff;color:var(--brand-dark);box-shadow:0 10px 24px -14px rgba(8,32,31,.5);height:50px;}
.btn-light:hover{color:var(--brand-dark);background:#F2FFFE;}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.78);margin-top:10px;display:flex;align-items:center;gap:6px;}
.cta-count{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#fff;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.34);border-radius:999px;padding:5px 14px;margin-bottom:16px;}
.cta-count b{font-variant-numeric:tabular-nums;font-size:15px;}
.form-ok{font-size:14px;font-weight:600;color:#fff;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);border-radius:14px;padding:12px 16px;}

/* ============ 页脚 ============ */
.site-footer{position:relative;margin-top:88px;background:var(--dark);color:#9AB6B4;padding:60px 0 0;overflow:hidden;}
.footer-wing{position:absolute;top:0;right:4%;width:280px;max-width:30vw;opacity:.08;pointer-events:none;}
.footer-grid{position:relative;display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr 1.4fr;gap:28px;}}
.footer-logo{display:inline-flex;align-items:center;gap:8px;font-size:17px;font-weight:800;color:#fff;text-decoration:none;}
.footer-logo:hover{color:#fff;text-decoration:none;}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.02em;margin-bottom:14px;}
.footer-links a{display:block;font-size:14px;color:#9AB6B4;padding:5px 0;text-decoration:none;}
.footer-links a:hover{color:var(--brand-light);text-decoration:none;}
.footer-input{display:flex;gap:8px;margin-top:14px;}
.footer-input input{
  flex:1;min-width:0;height:44px;border-radius:14px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;outline:none;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.footer-input input::placeholder{color:#6F8C8A;}
.footer-input input:focus{border-color:var(--brand-light);box-shadow:0 0 0 4px rgba(79,209,197,.18);}
.footer-input .btn{height:44px;padding:0 18px;font-size:14px;}
.footer-bottom{
  position:relative;margin-top:46px;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;
  font-size:13px;color:#7C918F;
}
.footer-bottom a{color:#9AB6B4;text-decoration:none;}
.footer-bottom a:hover{color:var(--brand-light);}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .btn:hover,.rel-card:hover{transform:none !important;}
}

/* roulang page: category1 */
:root{
  --brand:#0EA5A0;
  --brand-dark:#0B7F78;
  --brand-deep:#062E2C;
  --brand-light:#4FD1C5;
  --brand-pale:#D8F5F1;
  --violet:#7B5CFA;
  --orange:#FF8A3D;
  --coral:#FF5E7A;
  --ink:#0B1F1E;
  --text:#3E5453;
  --muted:#7C918F;
  --line:#E3EDEB;
  --page:#F6F9F8;
  --card:#FFFFFF;
  --dark:#08201F;
  --soft:#F1F5F4;
  --grad-brand:linear-gradient(135deg,#0EA5A0 0%,#7B5CFA 100%);
  --grad-cta:linear-gradient(120deg,#FF8A3D 0%,#FF5E7A 100%);
  --grad-data:linear-gradient(90deg,#0EA5A0 0%,#4FD1C5 100%);
  --shadow-sm:0 1px 2px rgba(11,31,30,.05),0 2px 8px rgba(11,31,30,.04);
  --shadow-md:0 8px 24px -8px rgba(11,31,30,.14);
  --shadow-lg:0 24px 60px -24px rgba(14,165,160,.35);
  --shadow-cta:0 12px 28px -12px rgba(255,94,122,.55);
  --r-lg:24px;--r-md:16px;--r-sm:14px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s ease-out,text-decoration-color .2s ease-out;}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
p{margin:0 0 1.2em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;font-weight:800;}

.container-x{
  width:100%;max-width:1200px;margin:0 auto;
  padding-left:20px;padding-right:20px;
}
@media(min-width:768px){.container-x{padding-left:32px;padding-right:32px;}}
@media(min-width:1280px){.container-x{padding-left:48px;padding-right:48px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s ease-out,background .24s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);background:rgba(255,255,255,.92);}
.nav-wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.nav-wrap{padding:0 32px;}}
@media(min-width:1280px){.nav-wrap{padding:0 48px;}}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px;}
@media(min-width:1024px){.nav-inner{height:76px;}}
.logo{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;text-decoration:none;}
.logo:hover{color:var(--ink);text-decoration:none;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -8px rgba(14,165,160,.75);
  flex:0 0 auto;
}
.logo-badge{
  font-size:11px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-dark);background:var(--brand-pale);
  padding:3px 8px;border-radius:999px;line-height:1.4;
}
.nav-links{display:none;}
@media(min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:26px;}
  .nav-links a{
    position:relative;font-size:15px;font-weight:500;color:var(--text);
    padding:6px 2px;text-decoration:none;
  }
  .nav-links a::after{
    content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;
    transform:translateX(-50%);
    background:var(--grad-brand);border-radius:2px;
    transition:width .22s ease-out;
  }
  .nav-links a:hover{color:var(--brand-dark);text-decoration:none;}
  .nav-links a:hover::after{width:60%;}
  .nav-links a.active{
    color:var(--brand-dark);font-weight:700;
    background:var(--brand-pale);border-radius:999px;padding:6px 14px;
  }
  .nav-links a.active::after{width:0;}
}
.nav-right{display:flex;align-items:center;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:999px;
  font-size:12px;line-height:1;font-weight:600;
  background:rgba(14,165,160,.08);color:var(--brand-dark);
  white-space:nowrap;
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:#22C55E;box-shadow:0 0 0 3px rgba(34,197,94,.18);flex:0 0 auto;}
.badge-orange{background:rgba(255,138,61,.08);color:#C2521A;border:1px solid rgba(255,138,61,.42);}
.nav-status{display:none;}
@media(min-width:1024px){.nav-status{display:inline-flex;}}
@media(min-width:1280px){.nav-status{display:inline-flex;}}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out;
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(1px);}
.btn-cta{background:var(--grad-cta);color:#fff;box-shadow:var(--shadow-cta);}
.btn-cta:hover{color:#fff;box-shadow:0 16px 32px -12px rgba(255,94,122,.7);}
.btn-ghost{background:#fff;border:1.5px solid var(--brand);color:var(--brand-dark);}
.btn-ghost:hover{background:var(--brand-pale);color:var(--brand-deep);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-dark);font-weight:600;font-size:15px;height:auto;padding:0;}
.btn-text .arrow{transition:transform .2s ease-out;}
.btn-text:hover .arrow{transform:translateX(3px);}
.nav-cta{display:none;height:42px;padding:0 20px;font-size:14px;}
@media(min-width:1024px){.nav-cta{display:inline-flex;}}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
}
@media(min-width:1024px){.nav-toggle{display:none;}}
@media(max-width:1023px){
  .nav-links{
    display:flex;flex-direction:column;gap:4px;
    position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);
    background:#fff;padding:88px 24px 32px;
    box-shadow:-20px 0 60px -30px rgba(11,31,30,.4);
    transform:translateX(102%);transition:transform .24s ease-out;
    z-index:70;overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a{font-size:17px;font-weight:600;color:var(--ink);padding:14px 12px;border-radius:14px;text-decoration:none;}
  .nav-links a:hover{background:var(--soft);text-decoration:none;}
  .nav-links a.active{background:var(--brand-pale);color:var(--brand-dark);}
}
.nav-mask{
  position:fixed;inset:0;background:rgba(8,32,31,.55);
  backdrop-filter:blur(4px);z-index:65;opacity:0;pointer-events:none;
  transition:opacity .24s ease-out;
}
.nav-mask.is-open{opacity:1;pointer-events:auto;}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:20px 0 0;font-size:13px;color:var(--muted);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;list-style:none;margin:0;padding:0;}
.breadcrumb li{display:inline-flex;align-items:center;gap:6px;}
.breadcrumb li+li::before{content:"/";color:#C3D3D1;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .current{color:var(--brand-dark);font-weight:600;}

/* ---------- 分类头 ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  margin-top:24px;border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(14,165,160,.10),rgba(123,92,250,.10)),#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow-md);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.16;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;bottom:-140px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,209,197,.35),transparent 70%);
}
.cat-hero-inner{position:relative;z-index:2;padding:38px 24px 40px;}
@media(min-width:768px){.cat-hero-inner{padding:56px 48px 56px;}}
@media(min-width:1280px){.cat-hero-inner{padding:64px 64px 60px;}}
.cat-tag{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(14,165,160,.10);color:var(--brand-dark);
  font-size:12px;font-weight:700;letter-spacing:.08em;margin-bottom:18px;
}
.cat-hero h1{
  font-size:clamp(28px,4.4vw,50px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
  max-width:900px;
}
.cat-hero .lead{
  margin-top:16px;font-size:16px;line-height:1.85;color:var(--text);max-width:660px;
}
.cat-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.cat-stats{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  gap:14px;margin-top:32px;max-width:760px;
}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 16px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.stat-card:hover{transform:translateY(-4px);border-color:var(--brand-light);box-shadow:var(--shadow-md);}
.stat-card .v{
  font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.1;
  background:var(--grad-data);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.stat-card .u{font-size:13px;color:var(--muted);margin-top:6px;}

/* ---------- 锚点导航 ---------- */
.anchor-nav{
  position:sticky;top:68px;z-index:40;
  margin-top:28px;background:rgba(246,249,248,.94);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
@media(min-width:1024px){.anchor-nav{top:76px;}}
.anchor-scroll{
  display:flex;gap:10px;overflow-x:auto;padding:12px 0;
  scrollbar-width:none;-ms-overflow-style:none;
}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-scroll a{
  flex:0 0 auto;display:inline-flex;align-items:center;
  height:38px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--text);text-decoration:none;
  transition:all .2s ease-out;
}
.anchor-scroll a:hover{border-color:var(--brand-light);color:var(--brand-dark);background:var(--brand-pale);text-decoration:none;}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:80px 0;}}
@media(min-width:1280px){.section{padding:96px 0;}}
.section-head{max-width:720px;margin-bottom:34px;}
.section-head .eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand-dark);
  display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:20px;height:2px;background:var(--grad-brand);border-radius:2px;}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;}
.section-head p{margin-top:12px;color:var(--text);font-size:16px;}

/* ---------- 图文交替 ---------- */
.zz{
  display:grid;grid-template-columns:1fr;gap:28px;align-items:center;
  padding:32px 0;
}
@media(min-width:1024px){
  .zz{grid-template-columns:1fr 1fr;gap:56px;padding:44px 0;}
  .zz.reverse .zz-media{order:2;}
  .zz.reverse .zz-body{order:1;}
}
.zz+.zz{border-top:1px solid var(--line);}
.zz-media{position:relative;}
.zz-media img{
  width:100%;border-radius:20px;box-shadow:var(--shadow-md);
  aspect-ratio:4/3;object-fit:cover;
}
.zz-media .float-badge{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;background:#fff;
  font-size:13px;font-weight:700;color:var(--brand-dark);
  box-shadow:var(--shadow-md);
}
@media(min-width:1024px){
  .zz-media{margin-left:8%;}
  .zz.reverse .zz-media{margin-left:0;margin-right:8%;}
  .zz-body{padding-right:8%;}
  .zz.reverse .zz-body{padding-right:0;padding-left:8%;}
}
.zz-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:14px;
  background:var(--grad-brand);color:#fff;
  font-size:15px;font-weight:800;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.zz-body h2{font-size:clamp(22px,2.6vw,32px);line-height:1.25;margin-bottom:14px;}
.zz-body p{font-size:16px;color:var(--text);}
.feature-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.feature-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;line-height:1.75;color:var(--text);
}
.feature-list .tick{
  flex:0 0 auto;width:20px;height:20px;border-radius:50%;margin-top:5px;
  background:var(--brand-pale);display:inline-flex;align-items:center;justify-content:center;
}
.feature-list .tick svg{width:12px;height:12px;}

/* ---------- 时段表卡 ---------- */
.tile-grid{display:grid;grid-template-columns:1fr;gap:18px;}
@media(min-width:640px){.tile-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.tile-grid{grid-template-columns:repeat(3,1fr);}}
.tile{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.tile::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-light);}
.tile h3{font-size:20px;margin-bottom:10px;}
.tile p{font-size:15px;color:var(--text);margin-bottom:14px;}
.tile .link{font-size:14px;font-weight:600;}

/* ---------- 深色数据区 ---------- */
.dark-band{
  background:var(--dark);color:#CFE7E4;position:relative;overflow:hidden;
  border-radius:var(--r-lg);padding:44px 24px;
}
@media(min-width:768px){.dark-band{padding:56px 48px;}}
.dark-band .wing{position:absolute;right:-10px;top:-20px;width:280px;opacity:.08;pointer-events:none;}
.dark-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);}
.dark-band .sub{color:#9AB6B4;margin-top:12px;max-width:640px;}
.dark-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:18px;margin-top:30px;position:relative;z-index:2;
}
.dark-grid .cell{border-left:1px solid rgba(79,209,197,.28);padding-left:18px;}
.dark-grid .cell .v{
  font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1.05;
  background:var(--grad-data);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.dark-grid .cell .k{font-size:13px;color:#9AB6B4;margin-top:8px;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr;gap:14px;}
@media(min-width:900px){.faq-grid{grid-template-columns:1fr 1fr;gap:16px 24px;align-items:start;}}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item:hover{border-color:var(--brand-light);box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;
  min-height:56px;display:flex;align-items:center;gap:12px;
  padding:14px 20px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .q{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--brand-pale);color:var(--brand-dark);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
}
.faq-item summary .sign{
  margin-left:auto;flex:0 0 auto;width:22px;height:22px;position:relative;
}
.faq-item summary .sign::before,
.faq-item summary .sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-dark);border-radius:2px;
  transition:transform .22s ease-out;
}
.faq-item summary .sign::before{width:12px;height:2px;transform:translate(-50%,-50%);}
.faq-item summary .sign::after{width:2px;height:12px;transform:translate(-50%,-50%);}
.faq-item[open] summary .sign::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item .faq-body{padding:0 20px 20px 58px;font-size:15px;line-height:1.85;color:var(--text);}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--grad-brand);border-radius:28px;
  padding:36px 24px;color:#fff;position:relative;overflow:hidden;
  display:flex;flex-direction:column;gap:22px;
}
@media(min-width:900px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 48px;}
}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,32px);line-height:1.25;max-width:700px;}
.cta-band p{color:rgba(255,255,255,.86);margin-top:10px;font-size:15px;}
.cta-band .cta-right{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.btn-light{background:#fff;color:var(--brand-dark);box-shadow:var(--shadow-md);}
.btn-light:hover{color:var(--brand-deep);background:#fff;}
.count-pill{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.4);
  color:#fff;font-size:13px;font-weight:600;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:#9AB6B4;position:relative;overflow:hidden;
  margin-top:72px;padding:56px 0 28px;
}
@media(min-width:768px){.site-footer{margin-top:96px;padding:72px 0 32px;}}
.footer-wing{
  position:absolute;left:-30px;top:-30px;width:300px;opacity:.08;pointer-events:none;
}
.footer-inner{position:relative;z-index:2;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px 28px;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr 1.6fr;}}
.footer-logo{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:800;color:#fff;text-decoration:none;}
.footer-logo:hover{color:#fff;text-decoration:none;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#9AB6B4;text-decoration:none;}
.footer-links a:hover{color:var(--brand-light);text-decoration:none;}
.footer-input{
  display:flex;gap:8px;margin-top:14px;
}
.footer-input input{
  flex:1 1 auto;min-width:0;height:44px;padding:0 14px;border-radius:14px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);color:#fff;
}
.footer-input input::placeholder{color:#7A9492;}
.footer-input input:focus{outline:none;border-color:var(--brand-light);box-shadow:0 0 0 4px rgba(79,209,197,.18);}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-direction:column;gap:10px;font-size:13px;color:#7A9492;
}
@media(min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}
.footer-bottom a{color:#9AB6B4;}
.footer-bottom a:hover{color:var(--brand-light);}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .tile:hover,.stat-card:hover,.btn:hover{transform:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --brand:#0EA5A0;
  --brand-deep:#062E2C;
  --brand-dark:#0B7F78;
  --brand-light:#4FD1C5;
  --brand-pale:#D8F5F1;
  --violet:#7B5CFA;
  --orange:#FF8A3D;
  --coral:#FF5E7A;
  --ink:#0B1F1E;
  --text:#3E5453;
  --muted:#7C918F;
  --line:#E3EDEB;
  --page:#F6F9F8;
  --card:#FFFFFF;
  --dark:#08201F;
  --soft:#F1F5F4;
  --grad-brand:linear-gradient(135deg,#0EA5A0,#7B5CFA);
  --grad-cta:linear-gradient(120deg,#FF8A3D,#FF5E7A);
  --grad-data:linear-gradient(90deg,#0EA5A0,#4FD1C5);
  --shadow-sm:0 1px 2px rgba(11,31,30,.05),0 2px 8px rgba(11,31,30,.04);
  --shadow-md:0 8px 24px -8px rgba(11,31,30,.14);
  --shadow-lg:0 24px 60px -24px rgba(14,165,160,.35);
  --shadow-cta:0 12px 28px -12px rgba(255,94,122,.55);
  --r-lg:24px;
  --r-md:16px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  background:var(--page);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin:0 0 1.2em}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;font-weight:800}

.container-x{max-width:1200px;margin:0 auto;padding:0 20px}
.wide-x{max-width:1280px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container-x,.wide-x{padding:0 32px}}
@media(min-width:1280px){.container-x,.wide-x{padding:0 48px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s ease-out,background .22s ease-out}
.site-header.scrolled{box-shadow:var(--shadow-sm);background:rgba(255,255,255,.92)}
.nav-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:14px}
@media(min-width:1024px){.nav-inner{height:76px}}
.logo{display:inline-flex;align-items:center;gap:8px;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.logo:hover{text-decoration:none;color:var(--ink)}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--grad-brand);display:grid;place-items:center;flex:none}
.logo-badge{font-size:12px;font-weight:600;padding:3px 8px;border-radius:999px;background:var(--brand-pale);color:var(--brand-dark);letter-spacing:.04em}
.nav-links{display:none}
@media(min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:6px}
  .nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--text);padding:9px 13px;border-radius:999px;border:1px solid transparent}
  .nav-links a::after{content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);width:0;height:2px;border-radius:2px;background:var(--grad-brand);transition:width .22s ease-out}
  .nav-links a:hover{color:var(--brand-dark);text-decoration:none}
  .nav-links a:hover::after{width:60%}
  .nav-links a.active{background:#EAF7F5;border-color:#CFEDE9;color:var(--brand-dark);font-weight:600}
  .nav-links a.active::after{width:0}
}
.nav-right{display:flex;align-items:center;gap:10px}
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 11px;border-radius:999px;background:rgba(14,165,160,.08);color:var(--brand-dark);font-size:12px;font-weight:600;white-space:nowrap}
.badge .dot{width:6px;height:6px;border-radius:50%;background:#22C55E;box-shadow:0 0 0 3px rgba(34,197,94,.16);flex:none}
.badge-orange{background:#FFF1E8;color:#C25A16;border:1px solid #FFD9C0}
.nav-status{display:none}
@media(min-width:1180px){.nav-status{display:inline-flex}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font-weight:600;text-decoration:none;transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn-cta{height:48px;padding:0 24px;border-radius:999px;background:var(--grad-cta);color:#fff;font-size:15px;box-shadow:var(--shadow-cta);position:relative;overflow:hidden}
.btn-cta::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.38),transparent);transform:skewX(-18deg);transition:left .5s ease-out}
.btn-cta:hover::after{left:120%}
.btn-ghost{height:48px;padding:0 22px;border-radius:999px;background:#fff;border:1.5px solid var(--brand);color:var(--brand-dark);font-size:15px}
.btn-ghost:hover{background:var(--brand-pale);color:var(--brand-dark)}
.btn-plain{display:inline-flex;align-items:center;gap:6px;color:var(--brand-dark);font-weight:600;font-size:15px}
.btn-plain svg{transition:transform .2s ease-out}
.btn-plain:hover svg{transform:translateX(3px)}
.nav-cta{height:42px;padding:0 18px;font-size:14px;display:none}
@media(min-width:640px){.nav-cta{display:inline-flex}}
.nav-toggle{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;transition:background .2s ease-out}
.nav-toggle:hover{background:var(--soft)}
@media(min-width:1024px){.nav-toggle{display:none}}

/* drawer */
.nav-mask{position:fixed;inset:0;background:rgba(8,32,31,.55);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .24s ease-out;z-index:90}
.nav-mask.open{opacity:1;pointer-events:auto}
.nav-drawer{position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);background:#fff;z-index:100;transform:translateX(100%);transition:transform .24s ease-out;padding:22px;display:flex;flex-direction:column;gap:8px;overflow:auto}
.nav-drawer.open{transform:translateX(0)}
.nav-drawer a.drawer-link{display:block;padding:13px 14px;border-radius:14px;font-size:16px;font-weight:600;color:var(--ink);border:1px solid var(--line)}
.nav-drawer a.drawer-link:hover{text-decoration:none;background:var(--soft);border-color:var(--brand-light)}
.nav-drawer a.drawer-link.active{background:#EAF7F5;border-color:#CFEDE9;color:var(--brand-dark)}
.drawer-close{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;display:grid;place-items:center;cursor:pointer}

/* ---------- breadcrumb ---------- */
.crumb{font-size:13px;color:var(--muted);padding:18px 0 0;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand-dark)}
.crumb .sep{opacity:.6}
.crumb .now{color:var(--brand-dark);font-weight:600}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:28px 0 56px;background:
  radial-gradient(760px 340px at 8% 4%,rgba(14,165,160,.18),transparent 62%),
  radial-gradient(620px 320px at 96% 96%,rgba(123,92,250,.16),transparent 64%),
  linear-gradient(180deg,#FFFFFF 0%,#F1FAF8 100%);
}
@media(min-width:1024px){.hero{padding:36px 0 96px;min-height:600px}}
.hero-grid{display:grid;gap:32px}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px;align-items:center}}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.hero h1{margin-bottom:16px}
.hero h1 em{font-style:normal;background:var(--grad-data);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--text);max-width:560px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.trust-row{display:flex;flex-wrap:wrap;gap:18px;font-size:14px;color:var(--muted)}
.trust-row span{display:inline-flex;align-items:center;gap:7px}
.trust-row svg{flex:none}
.hero-visual{position:relative}
.hero-visual img{width:100%;height:100%;max-height:420px;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--shadow-lg)}
.float-card{position:absolute;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);border:1px solid rgba(227,237,235,.9);border-radius:18px;padding:12px 14px;box-shadow:var(--shadow-md);min-width:132px}
.float-card .k{font-size:12px;color:var(--muted);letter-spacing:.06em}
.float-card .v{font-size:20px;background:var(--grad-data);-webkit-background-clip:text;background-clip:text;color:transparent}
.float-card .line{height:1px;background:var(--grad-data);opacity:.5;margin:6px 0}
.float-card.f1{top:-14px;left:-10px;transform:rotate(-3deg)}
.float-card.f2{bottom:38px;right:-12px;transform:rotate(2deg)}
.float-card.f3{bottom:-16px;left:16px;transform:rotate(-2deg)}
@media(max-width:640px){
  .hero-visual{margin-top:8px}
  .float-card{position:static;transform:none;display:inline-block;margin:10px 8px 0 0}
}

/* ---------- anchor pills ---------- */
.anchor-bar{position:sticky;top:68px;z-index:60;background:rgba(246,249,248,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
@media(min-width:1024px){.anchor-bar{top:76px}}
.anchor-scroll{display:flex;gap:10px;overflow-x:auto;padding:12px 20px;scrollbar-width:thin}
@media(min-width:768px){.anchor-scroll{padding:12px 32px}}
.pill{flex:none;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--text);font-size:14px;font-weight:500}
.pill:hover{border-color:var(--brand-light);color:var(--brand-dark);text-decoration:none;background:#F2FBFA}

/* ---------- sections ---------- */
section.block{padding:56px 0}
@media(min-width:1024px){section.block{padding:96px 0}}
.sec-head{max-width:760px;margin-bottom:36px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--brand-dark);font-weight:700;background:rgba(14,165,160,.09);border-radius:999px;padding:5px 12px;margin-bottom:14px}
.sec-head p{margin:14px 0 0;color:var(--text)}
[data-anchor]{scroll-margin-top:132px}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:56px}
.timeline::before{content:"";position:absolute;left:17px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,#0EA5A0,#7B5CFA 70%,rgba(123,92,250,0));border-radius:2px}
@media(min-width:768px){.timeline{padding-left:76px}.timeline::before{left:17px}}
.tl-item{position:relative;margin-bottom:26px}
.tl-item:last-child{margin-bottom:0}
.tl-node{position:absolute;left:-56px;top:2px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-size:14px;font-weight:800;color:var(--brand-dark);background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;border:2px solid transparent;box-shadow:var(--shadow-sm)}
@media(min-width:768px){.tl-node{left:-76px}}
.tl-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px 22px;transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-light)}
.tl-card h3{margin-bottom:8px}
.tl-card p{margin-bottom:12px;font-size:15px}
.mini-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--soft);color:var(--brand-dark);border:1px solid var(--line)}
.tag-violet{background:rgba(123,92,250,.1);color:#5B3FD6;border-color:rgba(123,92,250,.22)}
.tag-orange{background:#FFF1E8;color:#C25A16;border-color:#FFD9C0}

/* ---------- cards ---------- */
.grid-3{display:grid;gap:24px}
@media(min-width:640px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-light)}
.card-top{height:3px;background:var(--grad-brand)}
.card-cover{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card-cover{transform:scale(1.03)}
.cover-wrap{overflow:hidden}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:19px}
.card-body p{font-size:15px;margin:0}
.check{display:flex;gap:9px;font-size:14px;color:var(--text);line-height:1.7}
.check svg{flex:none;margin-top:5px}

/* ---------- pitfall list ---------- */
.pitfall{border:1px solid var(--line);border-radius:20px;background:#fff;overflow:hidden}
.pitfall-row{display:flex;gap:16px;padding:20px 22px;border-bottom:1px solid var(--line);transition:transform .22s ease-out,background .22s ease-out}
.pitfall-row:last-child{border-bottom:0}
.pitfall-row:hover{transform:translateX(4px);background:#F7FCFB}
.pitfall-idx{font-size:22px;font-weight:800;line-height:1.2;color:transparent;background:var(--grad-data);-webkit-background-clip:text;background-clip:text;flex:none;letter-spacing:-.02em}
.pitfall-row h3{font-size:17px;margin-bottom:4px}
.pitfall-row p{margin:0;font-size:15px}

/* ---------- dark data ---------- */
.dark-block{position:relative;background:var(--dark);color:#CFE7E4;overflow:hidden}
.dark-block::before{content:"";position:absolute;inset:0;background-image:
  linear-gradient(rgba(79,209,197,.07) 1px,transparent 1px),
  linear-gradient(90deg,rgba(79,209,197,.07) 1px,transparent 1px);
  background-size:56px 56px;opacity:.6}
.dark-block .inner{position:relative}
.dark-block h2{color:#fff}
.dark-block p{color:#9AB6B4}
.data-grid{display:grid;gap:20px;margin-top:36px}
@media(min-width:640px){.data-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.data-grid{grid-template-columns:repeat(4,1fr)}}
.data-card{background:rgba(255,255,255,.05);border:1px solid rgba(79,209,197,.22);border-radius:20px;padding:22px;transition:transform .22s ease-out,border-color .22s ease-out}
.data-card:hover{transform:translateY(-4px);border-color:var(--brand-light)}
.data-card .v{font-size:clamp(32px,4vw,44px);line-height:1.1;background:var(--grad-data);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;font-weight:800}
.data-card .d{margin-top:10px;font-size:14px;color:#9AB6B4}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;gap:16px}
@media(min-width:1024px){.faq-grid{grid-template-columns:repeat(2,1fr);align-items:start}}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:0 22px;min-height:56px;font-size:16px;font-weight:600;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q-ico{width:26px;height:26px;border-radius:50%;background:rgba(14,165,160,.1);color:var(--brand-dark);display:grid;place-items:center;font-size:13px;font-weight:800;flex:none}
.faq-item summary .sign{margin-left:auto;width:22px;height:22px;flex:none;display:grid;place-items:center;color:var(--brand-dark);transition:transform .22s ease-out}
.faq-item[open] summary .sign{transform:rotate(45deg)}
.faq-answer{padding:0 22px 20px 62px;font-size:15px;line-height:1.85;color:var(--text)}
.faq-answer p{margin:0}

/* ---------- CTA strip ---------- */
.cta-strip{background:var(--grad-brand);border-radius:28px;padding:32px;display:grid;gap:22px;align-items:center;color:#fff;position:relative;overflow:hidden}
@media(min-width:768px){.cta-strip{grid-template-columns:1fr auto;padding:44px 48px}}
.cta-strip h2{color:#fff;font-size:clamp(24px,3vw,32px)}
.cta-strip p{color:rgba(255,255,255,.86);margin:10px 0 0;max-width:520px;font-size:15px}
.cta-strip .btn-white{background:#fff;color:var(--brand-dark);height:50px;padding:0 26px;border-radius:999px;font-weight:700;font-size:15px;box-shadow:0 14px 30px -14px rgba(0,0,0,.4)}
.cta-strip .btn-white:hover{background:#F1FBFA;color:var(--brand-dark)}
.cta-side{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
@media(min-width:768px){.cta-side{align-items:flex-end}}
.cta-timer{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 12px;border-radius:999px;background:rgba(255,138,61,.24);border:1px solid rgba(255,255,255,.5);font-size:12px;font-weight:600;color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#9AB6B4;position:relative;overflow:hidden;margin-top:64px;padding:56px 0 28px}
.footer-wing{position:absolute;right:-40px;top:10px;width:280px;max-width:34vw;opacity:.08;pointer-events:none}
.footer-inner{position:relative}
.footer-grid{display:grid;gap:32px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr 1.2fr}}
.footer-logo{display:inline-flex;align-items:center;gap:8px;font-size:17px;font-weight:800;color:#fff}
.footer-logo:hover{color:#fff;text-decoration:none}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:#7FE3DA;margin-bottom:12px}
.footer-links a{display:block;font-size:14px;color:#9AB6B4;padding:6px 0}
.footer-links a:hover{color:#fff;text-decoration:none}
.footer-input{display:flex;gap:8px;margin-top:14px}
.footer-input input{flex:1;min-width:0;height:44px;border-radius:14px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;outline:none}
.footer-input input::placeholder{color:#6E8B89}
.footer-input input:focus{border-color:var(--brand-light);box-shadow:0 0 0 4px rgba(79,209,197,.16)}
.footer-note{font-size:12px;color:#6E8B89;margin-top:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:20px;display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;font-size:13px;color:#6E8B89}
.footer-bottom a{color:#9AB6B4}
.footer-bottom a:hover{color:#fff}
.form-msg{margin-top:10px;font-size:13px;color:#7FE3DA;display:none}
.form-msg.show{display:block}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  .card:hover,.tl-card:hover,.pitfall-row:hover,.data-card:hover,.btn:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --brand:#0EA5A0;
  --brand-deep:#0B7F78;
  --brand-dark:#062E2C;
  --brand-light:#4FD1C5;
  --brand-tint:#D8F5F1;
  --accent:#7B5CFA;
  --cta:#FF8A3D;
  --cta-pink:#FF5E7A;
  --ink:#0B1F1E;
  --text:#3E5453;
  --muted:#7C918F;
  --line:#E3EDEB;
  --bg:#F6F9F8;
  --card:#FFFFFF;
  --dark:#08201F;
  --soft:#F1F5F4;
  --grad-brand:linear-gradient(135deg,#0EA5A0 0%,#7B5CFA 100%);
  --grad-cta:linear-gradient(120deg,#FF8A3D 0%,#FF5E7A 100%);
  --grad-data:linear-gradient(90deg,#0EA5A0 0%,#4FD1C5 100%);
  --shadow-sm:0 1px 2px rgba(11,31,30,.05),0 2px 8px rgba(11,31,30,.04);
  --shadow-md:0 8px 24px -8px rgba(11,31,30,.14);
  --shadow-lg:0 24px 60px -24px rgba(14,165,160,.35);
  --shadow-cta:0 12px 28px -12px rgba(255,94,122,.55);
  --r-lg:24px; --r-md:16px; --r-sm:12px; --r-pill:999px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-0.01em;}
p{margin:0;}
img{max-width:100%;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .2s ease-out,text-underline-offset .2s ease-out;}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-weight:800;}

.container-x{max-width:1280px;margin:0 auto;padding-left:20px;padding-right:20px;}
.container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media(min-width:768px){.container-x,.container{padding-left:32px;padding-right:32px;}}
@media(min-width:1280px){.container-x{padding-left:48px;padding-right:48px;}.container{padding-left:48px;padding-right:48px;}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:70;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s ease-out;}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);}
.nav-inner{display:flex;align-items:center;gap:18px;height:68px;}
@media(min-width:1024px){.nav-inner{height:76px;gap:26px;}}
.logo{display:inline-flex;align-items:center;gap:9px;font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-0.01em;flex-shrink:0;}
.logo:hover{text-decoration:none;color:var(--ink);}
.logo-mark{width:34px;height:34px;border-radius:12px;background:var(--grad-brand);display:grid;place-items:center;box-shadow:0 6px 16px -6px rgba(14,165,160,.7);flex-shrink:0;}
.logo-badge{font-size:11px;font-weight:600;padding:2px 8px;border-radius:var(--r-pill);background:var(--brand-tint);color:var(--brand-deep);letter-spacing:.06em;}
.nav-links{display:none;align-items:center;gap:2px;margin-left:10px;}
@media(min-width:1024px){.nav-links{display:flex;}}
.nav-links a{position:relative;padding:9px 13px;border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--text);}
.nav-links a::after{content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);width:0;height:2px;border-radius:2px;background:var(--grad-brand);transition:width .22s ease-out;}
.nav-links a:hover{color:var(--brand-deep);text-decoration:none;}
.nav-links a:hover::after{width:60%;}
.nav-links a.active{background:var(--brand-tint);color:var(--brand-deep);font-weight:600;border:1px solid rgba(14,165,160,.22);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-status{display:none;}
@media(min-width:1280px){.nav-status{display:inline-flex;}}
.nav-cta{display:none;}
@media(min-width:768px){.nav-cta{display:inline-flex;height:44px;padding:0 20px;font-size:14px;}}
.nav-toggle{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:#fff;cursor:pointer;transition:background .2s ease-out,border-color .2s ease-out;}
.nav-toggle:hover{background:var(--soft);border-color:var(--brand-light);}
@media(min-width:1024px){.nav-toggle{display:none;}}

.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:rgba(14,165,160,.08);color:var(--brand-deep);white-space:nowrap;}
.badge .dot{width:6px;height:6px;border-radius:50%;background:#22C55E;box-shadow:0 0 0 3px rgba(34,197,94,.18);flex-shrink:0;}
.badge-orange{background:#fff;border:1px solid rgba(255,138,61,.5);color:#B95413;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:0;cursor:pointer;white-space:nowrap;transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out;}
.btn:hover{text-decoration:none;}
.btn-cta{background:var(--grad-cta);color:#fff;box-shadow:var(--shadow-cta);}
.btn-cta:hover{transform:translateY(-1px);box-shadow:0 16px 34px -14px rgba(255,94,122,.72);color:#fff;}
.btn-cta:active{transform:translateY(1px);}
.btn-ghost{background:#fff;border:1.5px solid var(--brand);color:var(--brand-deep);}
.btn-ghost:hover{background:var(--brand-tint);color:var(--brand-deep);}
.btn-light{background:#fff;color:var(--brand-deep);box-shadow:0 10px 24px -12px rgba(8,32,31,.5);}
.btn-light:hover{color:var(--brand-deep);transform:translateY(-1px);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-deep);background:none;border:0;padding:0;cursor:pointer;}
.btn-link svg{transition:transform .2s ease-out;}
.btn-link:hover svg{transform:translateX(3px);}
@media(max-width:639px){.btn{height:46px;padding:0 18px;font-size:14px;}}

/* ---------- Hero ---------- */
.crumb-bar{padding-top:22px;padding-bottom:6px;font-size:13px;color:var(--muted);}
.crumb-bar a{color:var(--muted);}
.crumb-bar a:hover{color:var(--brand-deep);}
.crumb-bar .sep{margin:0 8px;color:#C7D6D4;}
.crumb-bar .now{color:var(--ink);font-weight:600;}

.page-hero{background:radial-gradient(620px 340px at 6% -10%,rgba(14,165,160,.16),transparent 62%),radial-gradient(560px 320px at 94% 6%,rgba(123,92,250,.13),transparent 64%),#fff;border-bottom:1px solid var(--line);padding:18px 0 56px;position:relative;overflow:hidden;}
.hero-wing{position:absolute;right:-40px;bottom:-30px;width:min(30%,320px);opacity:.07;pointer-events:none;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:34px;align-items:center;}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:44px;}}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.page-hero h1{font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:800;letter-spacing:-0.02em;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hero-sub{font-size:16px;line-height:1.9;color:var(--text);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.trust-row{display:flex;flex-wrap:wrap;gap:20px;}
.trust-item{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text);font-weight:500;}
.trust-item svg{flex-shrink:0;}

.hero-visual{position:relative;}
.hero-visual-img{width:100%;height:280px;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--shadow-md);}
@media(min-width:768px){.hero-visual-img{height:360px;}}
.float-chip{position:absolute;display:flex;flex-direction:column;gap:2px;padding:12px 16px;border-radius:var(--r-md);background:rgba(255,255,255,.78);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border:1px solid rgba(227,237,235,.9);box-shadow:var(--shadow-md);}
.float-chip .v{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--grad-data);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2;}
.float-chip .k{font-size:12px;color:var(--muted);}
.chip-a{right:-6px;top:22px;transform:rotate(-3deg);}
.chip-b{left:-8px;bottom:56px;transform:rotate(2deg);}
.chip-c{right:16px;bottom:-16px;}
@media(max-width:639px){.float-chip{position:static;transform:none;margin-top:10px;}.chip-b,.chip-c{display:none;}}
.stat-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:30px;}
@media(min-width:768px){.stat-row{grid-template-columns:repeat(3,minmax(0,1fr));}}
.stat-badge{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--shadow-sm);transition:border-color .2s ease-out,transform .2s ease-out;}
.stat-badge:hover{border-color:var(--brand-light);transform:translateY(-4px);}
.stat-badge .sv{font-size:clamp(26px,3vw,34px);font-weight:800;font-variant-numeric:tabular-nums;line-height:1.15;background:var(--grad-data);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat-badge .sl{font-size:14px;color:var(--ink);font-weight:600;margin-top:6px;}
.stat-badge .sd{font-size:12px;color:var(--muted);margin-top:2px;}
.stat-badge .bar{height:2px;border-radius:2px;background:var(--grad-data);margin-top:12px;opacity:.7;}

/* ---------- 锚点胶囊导航 ---------- */
.anchor-bar{position:sticky;top:68px;z-index:50;background:var(--bg);border-bottom:1px solid var(--line);}
@media(min-width:1024px){.anchor-bar{top:76px;}}
.anchor-scroll{display:flex;gap:8px;overflow-x:auto;padding:12px 0;scrollbar-width:none;}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-pill{flex-shrink:0;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;font-size:14px;font-weight:500;color:var(--text);}
.anchor-pill:hover{border-color:var(--brand-light);color:var(--brand-deep);background:var(--brand-tint);text-decoration:none;}
.anchor-pill.active{background:var(--grad-brand);color:#fff;border-color:transparent;}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-soft{background:var(--soft);}
.section-head{max-width:720px;margin-bottom:34px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand-deep);text-transform:none;margin-bottom:12px;}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--grad-brand);}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--text);}
.scroll-anchor{scroll-margin-top:130px;}

/* ---------- 设备速查卡 ---------- */
.device-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:640px){.device-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.device-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.device-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;position:relative;overflow:hidden;}
.device-card::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--grad-brand);}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-light);}
.device-icon{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,rgba(14,165,160,.16),rgba(123,92,250,.16));display:grid;place-items:center;margin-bottom:16px;}
.device-card h3{font-size:20px;margin-bottom:10px;}
.device-card p{font-size:15px;line-height:1.8;margin-bottom:16px;}
.mini-list{list-style:none;margin:0 0 18px;padding:0;}
.mini-list li{position:relative;padding-left:22px;font-size:14px;line-height:1.9;color:var(--text);}
.mini-list li::before{content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand-light);}
.mini-list li + li{margin-top:6px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:var(--soft);color:var(--brand-deep);border:1px solid var(--line);}

/* ---------- 三端对比矩阵 ---------- */
.matrix-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow-sm);}
.matrix{min-width:760px;}
.matrix-head{display:grid;grid-template-columns:190px repeat(3,minmax(0,1fr));background:var(--grad-brand);color:#fff;}
.matrix-head > div{padding:15px 18px;font-size:14px;font-weight:700;letter-spacing:.02em;}
.matrix-head > div:first-child{background:rgba(255,255,255,.08);border-top-left-radius:20px;}
.matrix-head > div:last-child{border-top-right-radius:20px;}
.matrix-row{display:grid;grid-template-columns:190px repeat(3,minmax(0,1fr));border-top:1px solid var(--line);}
.cell{padding:16px 18px;font-size:14px;line-height:1.8;color:var(--text);}
.cell-label{position:sticky;left:0;z-index:2;background:var(--soft);font-weight:600;color:var(--ink);border-right:1px solid var(--line);}
.matrix-row:nth-child(even) .cell:not(.cell-label){background:#F6F9F8;}
.cell-tag{display:none;}
.cell strong{color:var(--ink);font-weight:700;}
.dot-good{display:inline-block;width:8px;height:8px;border-radius:50%;background:#22C55E;margin-right:6px;vertical-align:1px;}
.dot-mid{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--cta);margin-right:6px;vertical-align:1px;}
@media(max-width:767px){
  .matrix-scroll{border:0;background:transparent;box-shadow:none;overflow:visible;}
  .matrix{min-width:0;}
  .matrix-head{display:none;}
  .matrix-row{grid-template-columns:1fr;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-sm);margin-bottom:14px;overflow:hidden;}
  .matrix-row:first-child{border-top:1px solid var(--line);}
  .cell{padding:12px 16px;}
  .cell-label{position:static;background:linear-gradient(120deg,rgba(14,165,160,.12),rgba(123,92,250,.10));border-right:0;font-size:15px;padding:14px 16px;}
  .matrix-row:nth-child(even) .cell:not(.cell-label){background:transparent;}
  .cell:not(.cell-label) + .cell:not(.cell-label){border-top:1px solid var(--line);}
  .cell-tag{display:block;font-size:12px;color:var(--muted);margin-bottom:2px;letter-spacing:.04em;}
}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:768px){.scene-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-light);}
.scene-card img{width:100%;height:180px;object-fit:cover;transition:transform .3s ease-out;}
.scene-card:hover img{transform:scale(1.03);}
.scene-body{padding:22px 22px 24px;}
.scene-body h3{font-size:19px;margin-bottom:10px;}
.scene-body p{font-size:15px;line-height:1.85;}
.scene-meta{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}

/* ---------- 切换步骤 ---------- */
.step-grid{display:grid;grid-template-columns:1fr;gap:18px;}
@media(min-width:640px){.step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.step-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
.step-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .22s ease-out,border-color .22s ease-out;}
.step-card:hover{transform:translateY(-4px);border-color:var(--brand-light);}
.step-no{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;font-size:14px;font-weight:800;color:var(--brand-deep);margin-bottom:16px;font-variant-numeric:tabular-nums;}
.step-card h3{font-size:17px;margin-bottom:8px;}
.step-card p{font-size:14px;line-height:1.85;}

/* ---------- 网络与画质速查条 ---------- */
.speed-list{border:1px solid var(--line);border-radius:20px;background:#fff;overflow:hidden;box-shadow:var(--shadow-sm);}
.speed-row{display:grid;grid-template-columns:1fr;gap:4px;padding:18px 20px;transition:background .2s ease-out,transform .2s ease-out;}
@media(min-width:768px){.speed-row{grid-template-columns:1.1fr 1fr 1fr;align-items:center;gap:16px;padding:20px 24px;}}
.speed-row + .speed-row{border-top:1px solid var(--line);}
.speed-row:nth-child(odd){background:#F6F9F8;}
.speed-row:hover{transform:translateX(4px);}
.speed-name{font-size:16px;font-weight:600;color:var(--ink);}
.speed-cell{font-size:14px;color:var(--text);}
.speed-cell .k{color:var(--muted);font-size:12px;display:block;}
@media(min-width:768px){.speed-cell .k{display:none;}}
.speed-val{font-weight:700;color:var(--brand-deep);font-variant-numeric:tabular-nums;}
.net-note{margin-top:20px;background:var(--brand-tint);border-radius:var(--r-md);padding:18px 20px;font-size:14px;line-height:1.85;color:var(--brand-dark);display:flex;gap:12px;align-items:flex-start;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr;gap:14px;}
@media(min-width:1024px){.faq-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 20px;}}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out;}
.faq-item:hover{border-color:var(--brand-light);}
.faq-item.open{border-color:var(--brand-light);box-shadow:var(--shadow-sm);}
.faq-q{width:100%;display:flex;align-items:center;gap:14px;min-height:56px;padding:14px 20px;background:none;border:0;text-align:left;cursor:pointer;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;}
.faq-q .idx{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--brand-tint);color:var(--brand-deep);font-size:12px;font-weight:800;flex-shrink:0;font-variant-numeric:tabular-nums;}
.faq-q .sign{margin-left:auto;width:22px;height:22px;flex-shrink:0;display:grid;place-items:center;color:var(--brand-deep);transition:transform .22s ease-out;}
.faq-item.open .faq-q .sign{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out;}
.faq-a p{padding:0 20px 20px 60px;font-size:15px;line-height:1.85;color:var(--text);}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--grad-brand);border-radius:28px;padding:34px 26px;display:flex;flex-direction:column;gap:22px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;}
@media(min-width:768px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 48px;}}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.88);font-size:15px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.cta-count{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.4);color:#fff;font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--dark);color:#9AB6B4;margin-top:64px;overflow:hidden;}
.footer-wing{position:absolute;right:-30px;top:10px;width:min(32%,300px);opacity:.08;pointer-events:none;}
.footer-inner{position:relative;z-index:2;padding-top:56px;padding-bottom:28px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr 1.3fr;gap:30px;}}
.footer-logo{display:inline-flex;align-items:center;gap:9px;font-size:16px;font-weight:800;color:#fff;}
.footer-logo:hover{color:#fff;text-decoration:none;}
.footer-logo .logo-badge{background:rgba(79,209,197,.18);color:#8FE9E0;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.footer-links a{display:block;font-size:14px;color:#9AB6B4;padding:5px 0;}
.footer-links a:hover{color:var(--brand-light);text-decoration:none;}
.footer-input{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap;}
.footer-input input{flex:1 1 150px;height:44px;border-radius:14px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;outline:none;transition:border-color .2s ease-out;}
.footer-input input::placeholder{color:#7C918F;}
.footer-input input:focus{border-color:var(--brand-light);background:rgba(255,255,255,.1);}
.footer-tip{font-size:12px;color:#7C918F;margin-top:10px;}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;gap:10px;font-size:13px;color:#7C918F;}
@media(min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}
.footer-bottom a{color:#9AB6B4;}
.footer-bottom a:hover{color:var(--brand-light);}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(8,32,31,.55);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;z-index:90;}
.drawer-mask.show{opacity:1;visibility:visible;}
.nav-drawer{position:fixed;top:0;right:0;height:100%;width:82%;max-width:330px;background:#fff;z-index:100;transform:translateX(102%);transition:transform .24s ease-out;padding:22px 20px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;box-shadow:-20px 0 50px -30px rgba(8,32,31,.6);}
.nav-drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;display:grid;place-items:center;cursor:pointer;}
.nav-drawer a.drawer-link{display:block;padding:14px 14px;border-radius:var(--r-md);font-size:16px;font-weight:600;color:var(--ink);}
.nav-drawer a.drawer-link:hover{background:var(--soft);text-decoration:none;color:var(--brand-deep);}
.nav-drawer a.drawer-link.active{background:var(--brand-tint);color:var(--brand-deep);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;padding-top:18px;border-top:1px solid var(--line);}

.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%,20px);background:var(--dark);color:#fff;font-size:14px;padding:12px 22px;border-radius:var(--r-pill);box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transition:all .24s ease-out;z-index:120;}
.toast.show{opacity:1;visibility:visible;transform:translate(-50%,0);}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .device-card:hover,.scene-card:hover,.step-card:hover,.stat-badge:hover,.btn:hover,.scene-card:hover img,.speed-row:hover{transform:none !important;}
}

/* roulang page: category4 */
:root{
  --brand:#0EA5A0;
  --brand-deep:#0B7F78;
  --brand-dark:#062E2C;
  --brand-light:#4FD1C5;
  --brand-pale:#D8F5F1;
  --violet:#7B5CFA;
  --orange:#FF8A3D;
  --coral:#FF5E7A;
  --ink:#0B1F1E;
  --text:#3E5453;
  --muted:#7C918F;
  --line:#E3EDEB;
  --bg:#F6F9F8;
  --card:#FFFFFF;
  --dark:#08201F;
  --soft:#F1F5F4;
  --grad-brand:linear-gradient(135deg,#0EA5A0 0%,#7B5CFA 100%);
  --grad-cta:linear-gradient(120deg,#FF8A3D 0%,#FF5E7A 100%);
  --grad-data:linear-gradient(90deg,#0EA5A0 0%,#4FD1C5 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:14px;
  --shadow-sm:0 1px 2px rgba(11,31,30,.05),0 2px 8px rgba(11,31,30,.04);
  --shadow-md:0 8px 24px -8px rgba(11,31,30,.14);
  --shadow-lg:0 24px 60px -24px rgba(14,165,160,.35);
  --shadow-cta:0 12px 28px -12px rgba(255,94,122,.55);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--brand-deep);text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num,.tabular{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.narrow{max-width:1000px;margin-left:auto;margin-right:auto}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease-out,background-color .22s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);background:rgba(255,255,255,.94)}
.nav-wrap{width:100%;max-width:1280px;margin:0 auto;padding-left:20px;padding-right:20px}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:17px;letter-spacing:-.01em}
.logo:hover{text-decoration:none;color:var(--ink)}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);box-shadow:0 8px 18px -10px rgba(14,165,160,.7);flex:0 0 auto;
}
.logo-badge{
  font-size:11px;line-height:1;font-weight:600;color:var(--brand-deep);
  background:var(--brand-pale);border:1px solid #B7EBE4;border-radius:999px;padding:4px 8px;letter-spacing:.04em;
}
.nav-links{display:none;align-items:center;gap:4px}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;font-weight:500;color:var(--ink);border-radius:999px;
  transition:color .2s ease-out,background-color .2s ease-out;
}
.nav-links a:hover{color:var(--brand-deep);text-decoration:none;background:var(--soft)}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(0);
  width:60%;height:2px;border-radius:2px;background:var(--grad-brand);
  transition:transform .22s ease-out;transform-origin:center;
}
.nav-links a:hover::after{transform:translateX(-50%) scaleX(1)}
.nav-links a.active{background:var(--brand-pale);color:var(--brand-deep);font-weight:600}
.nav-links a.active::after{transform:translateX(-50%) scaleX(0)}
.nav-right{display:flex;align-items:center;gap:10px}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--brand-deep);background:rgba(14,165,160,.08);white-space:nowrap;
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:#2BD9A0;box-shadow:0 0 0 3px rgba(43,217,160,.18);flex:0 0 auto}
.badge-orange{color:#B24A12;background:rgba(255,138,61,.10);border:1px solid rgba(255,138,61,.42)}
.badge-orange .num{font-weight:800;color:#C2571A}
.nav-status{display:none}
.nav-cta{display:none}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;transition:background-color .2s ease-out,border-color .2s ease-out;
}
.nav-toggle:hover{background:var(--soft);border-color:#C9DEDB}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,32,31,.55);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:280px;max-width:86vw;background:#fff;z-index:80;
  transform:translateX(100%);transition:transform .24s ease-out;
  display:flex;flex-direction:column;padding:20px;box-shadow:-20px 0 50px -30px rgba(11,31,30,.5);
}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:var(--soft)}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{padding:12px 14px;border-radius:14px;font-size:16px;color:var(--ink);font-weight:500}
.drawer-links a:hover{background:var(--soft);text-decoration:none;color:var(--brand-deep)}
.drawer-links a.active{background:var(--brand-pale);color:var(--brand-deep);font-weight:700}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:20px;border-top:1px solid var(--line)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;border:0;
  font-size:15px;font-weight:600;line-height:1;text-decoration:none;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out;
}
.btn:hover{text-decoration:none}
.btn-cta{background:var(--grad-cta);color:#fff;box-shadow:var(--shadow-cta)}
.btn-cta:hover{transform:translateY(-1px);color:#fff;box-shadow:0 16px 34px -12px rgba(255,94,122,.7)}
.btn-cta:active{transform:translateY(1px)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-lg)}
.btn-primary:hover{transform:translateY(-1px);color:#fff}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--brand-deep);border:1.5px solid var(--brand);box-shadow:none}
.btn-ghost:hover{background:var(--brand-pale);color:var(--brand-deep);transform:translateY(-1px);text-decoration:none}
.btn-white{background:#fff;color:var(--brand-deep);font-weight:700}
.btn-white:hover{transform:translateY(-1px);color:var(--brand-deep)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-deep)}
.link-arrow svg{transition:transform .2s ease-out}
.link-arrow:hover{text-decoration:none;color:var(--brand)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:20px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#B7C7C5}
.crumb .current{color:var(--brand-deep);font-weight:600}

/* ---------- hero ---------- */
.cat-hero{position:relative;padding:28px 0 56px;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;left:-120px;top:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,165,160,.16),rgba(14,165,160,0) 68%);pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;right:-140px;bottom:-120px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(123,92,250,.14),rgba(123,92,250,0) 68%);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
.hero-pills{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.hero-h1{
  font-size:clamp(30px,4.6vw,50px);line-height:1.15;font-weight:800;letter-spacing:-.02em;color:var(--ink);
}
.hero-h1 .hl{
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:var(--text);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.stat-badge{
  flex:1 1 150px;min-width:150px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 16px;box-shadow:var(--shadow-sm);
}
.stat-badge .v{
  display:block;font-size:26px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums;
  background:var(--grad-data);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-badge .k{display:block;margin-top:4px;font-size:13px;color:var(--muted)}
.stat-badge .bar{display:block;height:1px;margin-top:10px;background:var(--grad-data);opacity:.6}
.hero-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-md);aspect-ratio:16/11;
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual figcaption{
  position:absolute;left:14px;bottom:14px;right:14px;background:rgba(255,255,255,.94);
  border:1px solid var(--line);border-radius:14px;padding:10px 14px;font-size:13px;color:var(--text);
}
.float-chip{
  position:absolute;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 14px;
  box-shadow:var(--shadow-md);font-size:12px;color:var(--muted);line-height:1.5;
}
.float-chip b{display:block;font-size:18px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.chip-a{top:16px;right:16px;transform:rotate(2deg)}
.chip-b{bottom:70px;left:-8px;transform:rotate(-3deg)}

/* ---------- anchor nav ---------- */
.anchor-nav{
  position:sticky;top:68px;z-index:40;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.anchor-scroll{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:thin}
.anchor-scroll::-webkit-scrollbar{height:4px}
.anchor-scroll::-webkit-scrollbar-thumb{background:#CFE3E0;border-radius:4px}
.anchor-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:14px;font-weight:500;color:var(--text);white-space:nowrap;
  transition:all .2s ease-out;
}
.anchor-pill:hover{border-color:var(--brand);color:var(--brand-deep);background:var(--brand-pale);text-decoration:none}

/* ---------- sections ---------- */
.section{padding:56px 0}
.section-head{max-width:680px;margin-bottom:32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-deep);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand)}
.section-title{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-desc{margin-top:14px;font-size:16px;color:var(--text)}

/* ---------- waterfall ---------- */
.waterfall{display:grid;grid-template-columns:1fr;gap:20px}
.wf-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.wf-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:var(--grad-brand);opacity:.85}
.wf-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-light)}
.icon-block{
  width:46px;height:46px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(14,165,160,.14),rgba(123,92,250,.16));color:var(--brand-deep);
  border:1px solid rgba(14,165,160,.22);
}
.wf-card h3{margin-top:16px;font-size:21px;line-height:1.4;font-weight:600}
.wf-card p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--text)}
.ticks{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.ticks li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;color:var(--text)}
.ticks svg{flex:0 0 auto;margin-top:5px}
.wf-note{margin-top:16px;font-size:13px;color:var(--muted)}
.wf-wide{display:grid;grid-template-columns:1fr;gap:24px}
.wf-wide-media{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10}
.wf-wide-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.wf-card:hover .wf-wide-media img{transform:scale(1.03)}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(14,165,160,.08);color:var(--brand-deep);
}
.tag-violet{background:rgba(123,92,250,.10);color:#5A3ED6}
.tag-orange{background:rgba(255,138,61,.12);color:#B24A12}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:18px}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;
  display:flex;gap:16px;align-items:flex-start;transition:border-color .22s ease-out,transform .22s ease-out;
}
.step:hover{border-color:var(--brand-light);transform:translateY(-3px)}
.step-num{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;color:var(--brand-deep);background:#fff;border:1.5px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad-brand);background-origin:border-box;background-clip:padding-box,border-box;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:600;line-height:1.5}
.step p{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--text)}

/* ---------- channel list ---------- */
.channel-list{display:flex;flex-direction:column;gap:14px}
.channel{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.channel:hover{transform:translateX(4px);border-color:var(--brand-light);box-shadow:var(--shadow-md)}
.channel .c-main{flex:1 1 320px;min-width:0}
.channel h3{font-size:19px;font-weight:600}
.channel p{margin-top:6px;font-size:14.5px;color:var(--text)}
.channel .c-side{flex:0 0 auto;display:flex;align-items:center;gap:14px}
.channel .c-meta{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq-wrap{border:1px solid var(--line);border-radius:20px;background:#fff;overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;gap:16px;min-height:64px;padding:12px 22px;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);list-style:none;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--soft);color:var(--brand-deep)}
.faq-q-mark{
  flex:0 0 auto;width:30px;height:30px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:var(--brand-deep);background:var(--brand-pale);font-variant-numeric:tabular-nums;
}
.faq-item summary .q-text{flex:1 1 auto;min-width:0}
.faq-toggle{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);position:relative;
  transition:transform .24s ease-out,border-color .24s ease-out,background-color .24s ease-out;
}
.faq-toggle::before,.faq-toggle::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-deep);border-radius:2px;
}
.faq-toggle::before{width:12px;height:2px;transform:translate(-50%,-50%)}
.faq-toggle::after{width:2px;height:12px;transform:translate(-50%,-50%)}
.faq-item[open] .faq-toggle{transform:rotate(135deg);border-color:var(--brand);background:var(--brand-pale)}
.faq-item[open] summary{background:var(--soft)}
.faq-body{padding:0 22px 22px 68px;font-size:15px;line-height:1.85;color:var(--text)}
.faq-body p + p{margin-top:10px}

/* ---------- lead form ---------- */
.lead-card{
  display:grid;grid-template-columns:1fr;gap:30px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-xl);padding:28px;box-shadow:var(--shadow-md);position:relative;overflow:hidden;
}
.lead-card::before{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:var(--grad-brand)}
.lead-points{display:flex;flex-direction:column;gap:12px;margin-top:20px}
.lead-points li{display:flex;gap:10px;font-size:14.5px;color:var(--text);line-height:1.75}
.lead-points svg{flex:0 0 auto;margin-top:5px}
.form-grid{display:grid;grid-template-columns:1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;
  font-size:15px;color:var(--ink);font-family:inherit;outline:none;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#A9BDBA}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,165,160,.14);
}
.field.has-error input,.field.has-error select{border-color:var(--coral);box-shadow:0 0 0 4px rgba(255,94,122,.12)}
.field .err{font-size:12px;color:#D63E5B;display:none}
.field.has-error .err{display:block}
.privacy-hint{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);margin-top:4px}
.privacy-hint svg{flex:0 0 auto}
.form-success{
  display:none;text-align:center;padding:28px 10px;
}
.form-success.show{display:block}
.form-success .ok-icon{
  width:56px;height:56px;border-radius:50%;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-pale);color:var(--brand-deep);
}
.form-success h3{font-size:19px;font-weight:700}
.form-success p{margin-top:8px;font-size:14.5px;color:var(--text)}

/* ---------- privacy note ---------- */
.privacy-note{
  margin-top:24px;background:var(--soft);border:1px solid var(--line);border-radius:20px;padding:24px;
}
.privacy-note h3{font-size:17px;font-weight:700}
.privacy-note p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--text)}
.privacy-note ul{margin-top:14px;display:grid;grid-template-columns:1fr;gap:10px}
.privacy-note li{display:flex;gap:10px;font-size:14px;color:var(--text)}
.privacy-note li svg{flex:0 0 auto;margin-top:5px}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--grad-brand);border-radius:var(--r-xl);padding:34px 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.12);pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:800;letter-spacing:-.01em;max-width:620px}
.cta-band p{color:rgba(255,255,255,.9);font-size:15px;margin-top:10px;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;position:relative;z-index:1}
.cta-count{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.5);color:#fff;font-size:13px;font-weight:600;
  font-variant-numeric:tabular-nums;
}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--dark);color:#B9D2D0;margin-top:64px;overflow:hidden}
.footer-wing{position:absolute;left:-40px;top:-20px;width:300px;height:200px;opacity:.08;pointer-events:none}
.footer-inner{position:relative;z-index:1;padding-top:56px;padding-bottom:28px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
.footer-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px}
.footer-logo:hover{color:#fff;text-decoration:none}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.06em;color:#6F918E;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#B9D2D0}
.footer-links a:hover{color:var(--brand-light);text-decoration:none}
.site-footer a{color:#B9D2D0}
.site-footer a:hover{color:var(--brand-light)}
.footer-input{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.footer-input input{
  flex:1 1 160px;min-width:0;height:44px;padding:0 14px;border-radius:12px;border:1px solid #1C4341;
  background:#0E2C2A;color:#E6F3F2;font-size:14px;outline:none;
}
.footer-input input::placeholder{color:#6F918E}
.footer-input input:focus{border-color:var(--brand-light);box-shadow:0 0 0 4px rgba(79,209,197,.12)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:#7E9C99;
}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-in{opacity:1;transform:none}

@media (min-width:640px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:repeat(2,1fr)}
  .form-grid .full{grid-column:1 / -1}
  .privacy-note ul{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:768px){
  .container-x{padding-left:32px;padding-right:32px}
  .nav-wrap{padding-left:32px;padding-right:32px}
  .nav-inner{height:76px}
  .crumb-bar{padding-top:24px}
  .cat-hero{padding:34px 0 72px}
  .section{padding:80px 0}
  .lead-card{padding:36px}
  .cta-band{padding:44px 40px}
  .footer-grid{gap:38px}
}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:7fr 5fr;gap:48px}
  .waterfall{grid-template-columns:repeat(2,1fr);gap:24px}
  .waterfall .wf-offset{margin-top:44px}
  .waterfall .wf-wide{grid-column:1 / -1}
  .wf-wide{grid-template-columns:1.05fr .95fr;align-items:center;gap:32px}
  .steps{grid-template-columns:repeat(4,1fr)}
  .lead-card{grid-template-columns:1fr 1fr;gap:44px;align-items:start}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr 1.3fr}
  .nav-status{display:inline-flex}
  .nav-cta{display:inline-flex}
  .nav-toggle{display:none}
  .nav-links{display:flex}
}
@media (min-width:1280px){
  .container-x{padding-left:48px;padding-right:48px}
  .nav-wrap{padding-left:48px;padding-right:48px}
}
@media (max-width:1023px){
  .chip-b{left:8px}
}
@media (max-width:639px){
  .logo span:nth-child(2){font-size:16px}
  .hero-actions .btn{flex:1 1 100%}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .faq-body{padding-left:22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}