/* roulang page: index */
:root{
  --brand:#0E9F8E;
  --brand-dark:#0B8477;
  --brand-light:#E6F6F3;
  --accent:#FF8A3D;
  --accent-light:#FFF1E6;
  --ink:#0B211E;
  --ink-2:#3D5551;
  --ink-3:#6B817D;
  --line:#DFE7E4;
  --bg:#F5F7F6;
  --card:#FFFFFF;
  --deep:#072522;
  --deep-text:#CFE7E2;
  --grad-main:linear-gradient(120deg,#0B8477 0%,#0E9F8E 52%,#37C6B0 100%);
  --grad-accent:linear-gradient(120deg,#FF8A3D 0%,#FFB86B 100%);
  --r-xl:32px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 1px 2px rgba(11,33,30,.04),0 12px 32px -12px rgba(11,33,30,.12);
  --shadow-hover:0 20px 44px -16px rgba(14,159,142,.28);
  --container:1200px;
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:72px; --sp-9:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-dark);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--brand);}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
table{border-collapse:collapse;width:100%;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:background .18s ease;}
.header-inner{max-width:var(--container);margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;gap:28px;transition:height .18s ease;}
.site-header.scrolled{background:rgba(255,255,255,.96);}
.site-header.scrolled .header-inner{height:60px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:36px;height:36px;flex-shrink:0;display:block;}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--brand-dark);}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;font-size:15px;font-weight:600;color:var(--ink-2);border-radius:10px;transition:color .18s ease,background .18s ease;}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;background:var(--grad-main);transform:scaleX(0);transform-origin:left;transition:transform .18s ease;}
.nav-link:hover{color:var(--brand-dark);background:var(--brand-light);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-dark);}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.mega-wrap{position:relative;}
.mega-trigger{display:inline-flex;align-items:center;gap:6px;height:44px;padding:0 14px;font-size:15px;font-weight:600;color:var(--ink-2);border-radius:10px;transition:color .18s ease,background .18s ease;}
.mega-trigger .caret{font-size:11px;line-height:1;transition:transform .18s ease;}
.mega-trigger:hover{color:var(--brand-dark);background:var(--brand-light);}
.mega-wrap.open .mega-trigger,.mega-wrap:hover .mega-trigger{color:var(--brand-dark);background:var(--brand-light);}
.mega-wrap.open .caret,.mega-wrap:hover .caret{transform:rotate(180deg);}
.mega-panel{position:absolute;right:0;top:calc(100% + 14px);width:700px;background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:0 24px 60px -22px rgba(11,33,30,.28);padding:22px;display:grid;grid-template-columns:1.05fr 1fr 1fr;gap:18px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .16s ease,transform .16s ease,visibility .16s ease;}
.mega-wrap:hover .mega-panel,.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col-title{font-size:12.5px;font-weight:700;color:var(--ink-3);letter-spacing:.04em;margin-bottom:10px;}
.mega-list li{margin-bottom:2px;}
.mega-list a{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:10px;font-size:14.5px;color:var(--ink-2);transition:all .16s ease;}
.mega-list a:hover{color:var(--brand-dark);background:var(--brand-light);transform:translateX(2px);}
.mega-list a .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);flex-shrink:0;}
.mega-mini{display:block;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:8px;transition:all .16s ease;}
.mega-mini:hover{border-color:rgba(14,159,142,.4);box-shadow:var(--shadow);transform:translateY(-2px);}
.mega-mini strong{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;margin-bottom:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.mega-mini span{font-size:12.5px;color:var(--ink-3);}
.mega-cta{background:var(--grad-main);border-radius:var(--r-md);padding:18px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;gap:16px;}
.mega-cta .ic{width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;font-size:18px;}
.mega-cta p{font-size:14.5px;line-height:1.6;font-weight:600;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;white-space:nowrap;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:0 10px 26px -12px rgba(14,159,142,.7);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 36px -14px rgba(14,159,142,.75);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand-dark);border:1px solid rgba(14,159,142,.45);}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--brand-dark);box-shadow:0 12px 28px -14px rgba(4,40,36,.5);}
.btn-white:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-dark);}
.link-more .arrow{transition:transform .18s ease;}
.link-more:hover{color:var(--accent);}
.link-more:hover .arrow{transform:translateX(4px);}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease;}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.open span:nth-child(2){opacity:0;}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(7,37,34,.5);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:90;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:86%;max-width:380px;background:#fff;border-radius:20px 0 0 20px;z-index:95;transform:translateX(102%);transition:transform .24s ease;display:flex;flex-direction:column;padding:20px;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);font-size:20px;color:var(--ink-2);line-height:1;}
.drawer-nav a{display:block;padding:14px 4px;font-size:18px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line);}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand-dark);}
.drawer-group{margin-top:6px;}
.drawer-group summary{padding:14px 4px;font-size:15px;font-weight:600;color:var(--ink-2);cursor:pointer;border-bottom:1px solid var(--line);list-style:none;}
.drawer-group summary::-webkit-details-marker{display:none;}
.drawer-group ul{padding:8px 0 4px 10px;}
.drawer-group li a{display:block;padding:10px 4px;font-size:15px;color:var(--ink-2);}
.drawer-foot{margin-top:auto;padding-top:20px;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--grad-main);color:#fff;}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;pointer-events:none;}
.hero::before{width:640px;height:640px;left:-180px;top:-220px;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 68%);}
.hero::after{width:520px;height:520px;right:-140px;bottom:-220px;background:radial-gradient(circle,rgba(255,138,61,.18),transparent 70%);}
.hero-cloud{position:absolute;inset:0;opacity:.16;pointer-events:none;background-image:radial-gradient(circle at 20% 30%,rgba(255,255,255,.5) 0 1px,transparent 1.6px),radial-gradient(circle at 70% 60%,rgba(255,255,255,.4) 0 1px,transparent 1.6px);background-size:120px 120px,180px 180px;}
.hero-inner{position:relative;z-index:2;max-width:var(--container);margin:0 auto;padding:72px 24px 76px;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;min-height:640px;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);font-size:13.5px;font-weight:600;letter-spacing:.02em;margin-bottom:22px;}
.hero h1{font-size:clamp(30px,4.4vw,54px);font-weight:800;line-height:1.18;letter-spacing:-.02em;margin-bottom:18px;}
.hero-sub{font-size:clamp(16px,1.6vw,18.5px);line-height:1.75;color:rgba(255,255,255,.9);max-width:520px;margin-bottom:28px;}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px;}
.stat-pill{display:inline-flex;align-items:baseline;gap:6px;padding:9px 16px;border-radius:999px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);font-size:13.5px;color:rgba(255,255,255,.94);}
.stat-pill b{font-size:17px;font-weight:800;color:#fff;}
.stat-pill.accent{border-color:rgba(255,184,107,.9);background:rgba(255,138,61,.2);}
.hero-media{position:relative;}
.hero-media .frame{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:0 30px 70px -26px rgba(3,32,29,.6);aspect-ratio:16/10;background:rgba(255,255,255,.12);}
.hero-media .frame img{width:100%;height:100%;object-fit:cover;}
.float-badge{position:absolute;background:#fff;border-radius:var(--r-md);box-shadow:0 18px 40px -18px rgba(3,32,29,.55);padding:12px 16px;display:flex;align-items:center;gap:10px;color:var(--ink);}
.float-badge .fb-ic{width:34px;height:34px;border-radius:10px;background:var(--brand-light);display:flex;align-items:center;justify-content:center;font-size:16px;}
.float-badge strong{display:block;font-size:15px;font-weight:800;line-height:1.2;}
.float-badge span{font-size:12px;color:var(--ink-3);}
.float-1{left:-22px;top:26px;}
.float-2{right:-18px;bottom:26px;}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.sec-title-wrap{max-width:640px;}
.sec-label{display:inline-block;font-size:13px;font-weight:700;color:var(--brand-dark);letter-spacing:.06em;margin-bottom:12px;}
h2.sec-title{font-size:clamp(24px,2.6vw,36px);font-weight:700;line-height:1.28;letter-spacing:-.01em;position:relative;padding-left:16px;}
h2.sec-title::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--grad-main);}
.sec-desc{margin-top:14px;font-size:16px;color:var(--ink-2);line-height:1.8;}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.steps::before{content:"";position:absolute;left:6%;right:6%;top:18px;border-top:2px dashed rgba(14,159,142,.35);z-index:0;}
.step{position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,159,142,.32);}
.step-num{width:36px;height:36px;border-radius:50%;background:var(--grad-main);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;margin-bottom:16px;}
.step h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--ink-2);line-height:1.75;}

/* plans - unequal cards */
.plan-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;overflow:hidden;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,159,142,.32);}
.card-body{padding:28px;}
.card-wide{grid-column:span 7;background:var(--brand-light);border-color:rgba(14,159,142,.2);}
.card-narrow{grid-column:span 5;}
.card-half{grid-column:span 6;}
.card h3{font-size:21px;font-weight:700;margin-bottom:10px;}
.card p.lead{font-size:15px;color:var(--ink-2);line-height:1.8;margin-bottom:18px;}
.check-list li{position:relative;padding-left:24px;font-size:15px;color:var(--ink-2);line-height:1.9;}
.check-list li::before{content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--brand);}
.card-wide-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:20px;align-items:center;}
.card-wide-inner .pic{border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;}
.card-wide-inner .pic img{width:100%;height:100%;object-fit:cover;}
.icon-badge{width:46px;height:46px;border-radius:14px;background:var(--brand-light);color:var(--brand-dark);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:16px;}
.card .card-foot{margin-top:20px;}

/* deep milestone */
.deep-section{padding:0 0 88px;}
.deep-card{background:var(--deep);color:var(--deep-text);border-radius:var(--r-xl);padding:52px 48px;position:relative;overflow:hidden;}
.deep-card::after{content:"";position:absolute;width:420px;height:420px;right:-140px;top:-160px;border-radius:50%;background:radial-gradient(circle,rgba(14,159,142,.35),transparent 70%);}
.deep-head{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:38px;flex-wrap:wrap;}
.deep-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;color:#fff;line-height:1.3;}
.deep-head p{margin-top:10px;font-size:15px;color:var(--deep-text);max-width:560px;}
.track{position:relative;height:8px;border-radius:999px;background:rgba(255,255,255,.16);z-index:2;margin-bottom:30px;}
.track-fill{position:absolute;left:0;top:0;bottom:0;width:62%;border-radius:999px;background:var(--grad-main);}
.milestones{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.milestone{border:1px solid rgba(255,255,255,.12);border-radius:var(--r-md);padding:18px;background:rgba(255,255,255,.04);}
.milestone .m-top{display:flex;align-items:center;gap:8px;margin-bottom:10px;}
.milestone .m-dot{width:10px;height:10px;border-radius:50%;background:var(--brand);}
.milestone.doing .m-dot{background:var(--accent);}
.milestone.todo .m-dot{background:transparent;border:2px solid rgba(255,255,255,.4);}
.milestone strong{display:block;font-size:15px;font-weight:700;color:#fff;margin-bottom:6px;}
.milestone span{font-size:13.5px;color:var(--deep-text);line-height:1.7;}
.pulse{position:relative;}
.pulse::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:2px solid rgba(255,138,61,.6);animation:pulse 1.8s ease-out infinite;}
@keyframes pulse{0%{transform:scale(.7);opacity:.9;}100%{transform:scale(1.7);opacity:0;}}
.m-state{display:inline-block;margin-top:10px;font-size:12px;padding:3px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.24);color:#fff;}
.milestone.doing .m-state{background:var(--accent);border-color:transparent;color:#3a1c05;}
.milestone.todo .m-state{color:var(--deep-text);}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;color:inherit;}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,159,142,.32);}
.news-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-light);}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .thumb img{transform:scale(1.03);}
.news-card .nc-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.badge{display:inline-flex;align-items:center;align-self:flex-start;padding:4px 12px;border-radius:999px;background:var(--brand-light);color:var(--brand-dark);font-size:12.5px;font-weight:600;margin-bottom:12px;}
.news-card h3{font-size:17.5px;font-weight:700;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease;}
.news-card:hover h3{color:var(--brand-dark);}
.news-card .excerpt{font-size:14.5px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);border-top:1px solid var(--line);padding-top:12px;}
.news-meta .sep{width:1px;height:12px;background:var(--line);}
.empty-state{grid-column:1/-1;text-align:center;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-lg);background:#fff;}
.empty-state .e-ic{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;background:var(--brand-light);color:var(--brand-dark);display:flex;align-items:center;justify-content:center;font-size:26px;}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:16px;}

/* trust */
.trust-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.trust-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 14px;text-align:center;transition:border-color .18s ease,transform .18s ease;}
.trust-item:hover{border-color:rgba(14,159,142,.3);transform:translateY(-3px);}
.trust-item strong{display:block;font-size:15px;font-weight:700;margin-bottom:6px;}
.trust-item span{font-size:13px;color:var(--ink-3);}

/* faq */
.faq-wrap{max-width:840px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;transition:background .2s ease,border-color .2s ease;}
.faq-item[open]{background:#F5F7F6;border-color:rgba(14,159,142,.32);}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{position:relative;width:20px;height:20px;flex-shrink:0;transition:transform .22s ease;color:var(--brand-dark);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;}
.faq-icon::before{left:0;right:0;top:9px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.8;}

/* cta banner */
.cta-banner{background:var(--grad-main);border-radius:var(--r-xl);padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:#fff;position:relative;overflow:hidden;}
.cta-banner::after{content:"";position:absolute;width:380px;height:380px;right:-120px;bottom:-180px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.22),transparent 70%);}
.cta-banner h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.3;margin-bottom:12px;position:relative;z-index:2;}
.cta-banner p{font-size:16px;color:rgba(255,255,255,.9);max-width:560px;line-height:1.75;position:relative;z-index:2;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}

/* footer */
.site-footer{background:var(--deep);color:var(--deep-text);padding:70px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text em{color:#5FD9C6;}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.85;color:var(--deep-text);max-width:340px;}
.footer-col h4{font-size:14px;font-weight:700;color:#8FBCB4;letter-spacing:.05em;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--deep-text);display:inline-block;transition:color .16s ease,transform .16s ease;}
.footer-col a:hover{color:#fff;transform:translateX(3px);}
.footer-card{border:1px solid rgba(255,255,255,.16);border-radius:var(--r-md);padding:22px;background:rgba(255,255,255,.04);}
.footer-card p{font-size:14px;line-height:1.8;margin-bottom:16px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:#7FA8A1;}
.to-top{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;transition:transform .18s ease,background .18s ease;}
.to-top:hover{background:var(--brand);transform:translateY(-3px);color:#fff;}

/* responsive */
@media (max-width:1439px){
  .container,.header-inner,.hero-inner{max-width:1200px;}
}
@media (max-width:1199px){
  .hero-inner{grid-template-columns:1fr;gap:40px;min-height:auto;padding:56px 24px 64px;}
  .hero-media{order:2;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
  .card-wide,.card-narrow,.card-half{grid-column:span 6;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .trust-strip{grid-template-columns:repeat(3,1fr);}
  .milestones{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .mega-panel{width:560px;grid-template-columns:1fr 1fr;}
  .mega-col-cta{display:none;}
}
@media (max-width:1023px){
  .nav-main,.mega-wrap,.header-right .btn{display:none;}
  .burger{display:flex;}
  .hero-media .float-1,.hero-media .float-2{display:none;}
  .section{padding:64px 0;}
  .deep-card{padding:40px 28px;}
}
@media (max-width:767px){
  .container,.header-inner,.hero-inner{padding-left:16px;padding-right:16px;}
  .header-inner{height:64px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .steps{grid-template-columns:1fr;}
  .step{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;}
  .step-num{margin-bottom:0;}
  .step-body h3{margin-top:2px;}
  .card-wide,.card-narrow,.card-half{grid-column:span 12;}
  .card-wide-inner{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .trust-strip{grid-template-columns:repeat(2,1fr);}
  .milestones{grid-template-columns:1fr;}
  .track{display:none;}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:36px 24px;}
  .cta-banner .cta-actions{width:100%;}
  .cta-banner .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .hero-cta .btn{width:100%;}
}
@media (max-width:520px){
  body{font-size:15px;}
  h2.sec-title{font-size:23px;}
  .hero h1{font-size:29px;line-height:1.24;}
  .hero-sub{font-size:15.5px;}
  .card-body{padding:22px 18px;}
  .deep-card{padding:32px 20px;border-radius:24px;}
  .cta-banner{border-radius:24px;}
  .stat-pill{font-size:12.5px;padding:8px 13px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --brand:#0E9F8E;
  --brand-dark:#0B8477;
  --brand-light:#E6F6F3;
  --accent:#FF8A3D;
  --accent-light:#FFF1E6;
  --ink:#0B211E;
  --ink-2:#3D5551;
  --ink-3:#6C837F;
  --line:#DFE7E4;
  --bg:#F5F7F6;
  --card:#FFFFFF;
  --deep:#072522;
  --deep-text:#CFE7E2;
  --grad-main:linear-gradient(120deg,#0B8477 0%,#0E9F8E 50%,#37C6B0 100%);
  --grad-accent:linear-gradient(120deg,#FF8A3D 0%,#FFB86B 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,33,30,.04),0 12px 32px -12px rgba(11,33,30,.12);
  --sh-2:0 20px 44px -16px rgba(14,159,142,.28);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button{font-family:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-alt{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,2.6vw,36px);font-weight:700;line-height:1.28;position:relative;padding-left:18px}
.section-head h2::before{content:"";position:absolute;left:0;top:.18em;width:5px;height:1em;border-radius:3px;background:var(--grad-main)}
.section-head p{color:var(--ink-2);font-size:15px;max-width:620px;margin-top:10px}
.text-link{color:var(--brand);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.text-link i{transition:transform .2s var(--ease)}
.text-link:hover{color:var(--accent)}
.text-link:hover i{transform:translateX(4px)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:0 10px 24px -12px rgba(14,159,142,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(14,159,142,.5)}
.btn-ghost:hover{background:var(--brand-light);transform:translateY(-2px);color:var(--brand-dark)}
.btn-white{background:#fff;color:var(--brand-dark);box-shadow:0 14px 30px -16px rgba(0,0,0,.4)}
.btn-white:hover{background:var(--brand-light);transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:300;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s var(--ease);
}
.site-header.shrink{box-shadow:0 10px 30px -22px rgba(11,33,30,.45)}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;gap:28px;
  transition:height .18s var(--ease);
}
.site-header.shrink .header-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{display:flex;width:36px;height:36px;transition:transform .25s var(--ease)}
.logo:hover .logo-mark{transform:rotate(-6deg) scale(1.05)}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.logo-text em{font-style:normal;color:var(--brand);font-weight:700}
.nav-main{display:flex;align-items:center;gap:6px;flex:1}
.nav-link{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad-main);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--brand-light)}
.nav-link.active{color:var(--brand);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.header-right{display:flex;align-items:center;gap:14px}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:7px;
  min-height:42px;padding:0 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--ink-2);border:1px solid var(--line);
  background:#fff;transition:all .2s var(--ease);
}
.mega-trigger:hover{color:var(--brand);border-color:rgba(14,159,142,.45);background:var(--brand-light)}
.mega-trigger .caret{font-size:10px;transition:transform .2s var(--ease)}
.mega-wrap:hover .caret,.mega-wrap.open .caret{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:680px;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:0 30px 60px -30px rgba(11,33,30,.35);
  padding:24px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .12s var(--ease),transform .12s var(--ease),visibility .12s;
}
.mega-wrap:hover .mega-panel,.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.08em;margin-bottom:12px}
.mega-list li+li{margin-top:6px}
.mega-list a{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:10px;font-size:14px;color:var(--ink-2)}
.mega-list a:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateX(2px)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--brand);flex-shrink:0}
.mega-post{display:block;padding:10px;border-radius:12px;border:1px solid var(--line);transition:all .2s var(--ease)}
.mega-post+.mega-post{margin-top:8px}
.mega-post:hover{border-color:rgba(14,159,142,.5);box-shadow:var(--sh-1);transform:translateY(-2px)}
.mega-post span{display:block;font-size:13.5px;font-weight:600;color:var(--ink);line-height:1.5}
.mega-post em{font-style:normal;font-size:12.5px;color:var(--ink-3)}
.mega-card{
  border-radius:16px;padding:18px;background:var(--grad-main);color:#fff;
  display:flex;flex-direction:column;justify-content:space-between;gap:14px;
}
.mega-card i{font-size:20px}
.mega-card strong{display:block;font-size:15px;line-height:1.5;font-weight:700}
.mega-card .btn{align-self:flex-start;min-height:38px;padding:0 18px;font-size:13.5px}
.mobile-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.mobile-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.mobile-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.mobile-toggle.active span:nth-child(2){opacity:0}
.mobile-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- drawer ---------- */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(7,37,34,.45);opacity:0;visibility:hidden;
  transition:opacity .25s var(--ease),visibility .25s;z-index:400;
}
.drawer-overlay.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:380px;background:#fff;z-index:401;
  transform:translateX(102%);transition:transform .28s var(--ease);
  border-radius:20px 0 0 20px;padding:22px 20px 32px;overflow-y:auto;
}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);font-size:22px;line-height:1;color:var(--ink-2);background:#fff}
.drawer-nav a{display:block;padding:14px 12px;border-radius:12px;font-size:18px;font-weight:700;color:var(--ink)}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--brand-light);color:var(--brand-dark)}
.drawer-group{margin-top:20px}
.drawer-group-title{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.08em;margin-bottom:10px}
.drawer-group a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:10px;font-size:15px;color:var(--ink-2)}
.drawer-group a:hover{background:var(--bg);color:var(--brand-dark)}
.drawer-cta{width:100%;margin-top:24px}

/* ---------- reading progress ---------- */
.read-progress{position:absolute;left:0;right:0;bottom:-1px;height:3px;background:rgba(14,159,142,.12);overflow:hidden}
.read-progress span{display:block;height:100%;width:0;background:var(--grad-main);transition:width .1s linear}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb-inner{max-width:1200px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:10px;overflow-x:auto;white-space:nowrap;scrollbar-width:none}
.crumb-inner::-webkit-scrollbar{display:none}
.breadcrumb{font-size:14px;color:var(--ink-3);display:flex;align-items:center;gap:8px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom}

/* ---------- article head ---------- */
.article-hero{background:#fff;padding:44px 0 36px;border-bottom:1px solid var(--line)}
.article-head{max-width:860px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;background:var(--brand-light);color:var(--brand-dark);
}
.badge-accent{background:var(--accent-light);color:#C25A12;border:1px solid rgba(255,138,61,.4)}
.article-title{
  font-size:clamp(28px,4vw,46px);font-weight:800;line-height:1.2;letter-spacing:-.02em;
  margin:18px 0 20px;color:var(--ink);
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:14px;color:var(--ink-3)}
.article-meta i{margin-right:5px;color:var(--brand)}
.article-meta a{color:var(--brand);font-weight:600}
.article-meta a:hover{color:var(--accent)}
.article-cover{margin-top:32px;border-radius:20px;overflow:hidden;box-shadow:var(--sh-1);aspect-ratio:16/9;background:var(--brand-light)}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;padding-top:56px;padding-bottom:24px;align-items:start}
.article-main{min-width:0;max-width:820px}
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}

/* ---------- article body ---------- */
.article-body{font-size:16.5px;line-height:1.9;color:#16302C}
.article-body>*+*{margin-top:1.2em}
.article-body h2{
  font-size:24px;font-weight:700;line-height:1.4;color:var(--ink);
  margin-top:44px;padding-left:14px;position:relative;scroll-margin-top:110px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;width:4px;height:1em;border-radius:2px;background:var(--grad-main)}
.article-body h3{font-size:19px;font-weight:600;margin-top:30px;color:var(--ink);scroll-margin-top:110px}
.article-body p{margin-top:1.2em}
.article-body ul,.article-body ol{margin-top:1.2em;padding-left:1.4em}
.article-body ul{list-style:none;padding-left:0}
.article-body ul>li{position:relative;padding-left:1.4em;margin-top:8px}
.article-body ul>li::before{content:"";position:absolute;left:.3em;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.article-body ol{list-style:decimal}
.article-body ol>li{margin-top:8px;padding-left:.2em}
.article-body ol>li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{
  margin-top:1.4em;padding:20px 22px;background:var(--brand-light);
  border-left:4px solid var(--brand);border-radius:0 12px 12px 0;color:var(--ink-2);
}
.article-body blockquote p{margin:0}
.article-body img{border-radius:16px;margin:1.6em auto;width:100%}
.article-body figure{margin:1.6em 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-3);margin-top:10px}
.article-body a{color:var(--brand);box-shadow:inset 0 -1px 0 rgba(14,159,142,.4)}
.article-body a:hover{color:var(--accent);box-shadow:inset 0 -1px 0 rgba(255,138,61,.55)}
.article-body table{width:100%;border-collapse:collapse;border-radius:12px;overflow:hidden;font-size:15px}
.article-body .table-wrap{width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.article-body th{background:var(--brand-light);color:var(--brand-dark);text-align:left;font-weight:700}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:rgba(11,33,30,.02)}
.article-body code{background:var(--bg);padding:2px 6px;border-radius:6px;font-size:.92em}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:2em 0}

/* ---------- toc ---------- */
.toc-mobile{display:none;margin-bottom:28px}
.toc-mobile summary{
  list-style:none;cursor:pointer;padding:14px 18px;border-radius:14px;background:#fff;
  border:1px solid var(--line);font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:space-between;
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"▾";font-size:12px;color:var(--brand);transition:transform .2s var(--ease)}
.toc-mobile[open] summary::after{transform:rotate(180deg)}
.toc-mobile .toc-list{padding:10px 6px 4px}

.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1)}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--brand)}
.toc-list a{
  display:block;padding:8px 10px;border-radius:8px;font-size:14px;color:var(--ink-2);
  border-left:3px solid transparent;line-height:1.55;
}
.toc-list a:hover{background:var(--brand-light);color:var(--brand-dark)}
.toc-list a.current{color:var(--brand-dark);border-left-color:var(--brand);background:var(--brand-light);font-weight:600}
.side-post{display:block;padding:12px 0;border-bottom:1px dashed var(--line)}
.side-post:last-child{border-bottom:0;padding-bottom:0}
.side-post strong{display:block;font-size:14px;font-weight:600;line-height:1.55;color:var(--ink)}
.side-post:hover strong{color:var(--brand)}
.side-post em{font-style:normal;font-size:12.5px;color:var(--ink-3)}
.side-grad{
  border-radius:var(--r-md);padding:22px;background:var(--grad-main);color:#fff;
  box-shadow:0 20px 40px -22px rgba(14,159,142,.65);
}
.side-grad i{font-size:22px;opacity:.9}
.side-grad strong{display:block;font-size:16px;font-weight:700;margin:10px 0 6px}
.side-grad p{font-size:13.5px;color:rgba(255,255,255,.86);line-height:1.65;margin-bottom:16px}
.side-grad .btn{width:100%;min-height:42px;padding:0 16px;font-size:14px}

/* ---------- tags / post nav ---------- */
.tag-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.tag-row .label{font-size:14px;color:var(--ink-3);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--brand-light);color:var(--brand-dark);font-size:13.5px;font-weight:600;
  transition:all .2s var(--ease);
}
.tag:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:34px}
.post-nav-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px;box-shadow:var(--sh-1);transition:all .25s var(--ease);
}
.post-nav-card:hover{transform:translateY(-4px);border-color:rgba(14,159,142,.45);box-shadow:var(--sh-2)}
.post-nav-card em{font-style:normal;font-size:12.5px;color:var(--ink-3);letter-spacing:.06em}
.post-nav-card strong{display:block;font-size:15.5px;font-weight:700;margin-top:8px;line-height:1.55;color:var(--ink)}
.post-nav-card span{display:block;font-size:13.5px;color:var(--ink-2);margin-top:6px;line-height:1.6}
.back-link{margin-top:26px;display:inline-flex}

/* ---------- empty state ---------- */
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;
}
.empty-state .ico{
  width:64px;height:64px;border-radius:50%;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:24px;margin:0 auto 18px;
}
.empty-state h3{font-size:20px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:22px}

/* ---------- related cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;height:100%;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 44px -18px rgba(14,159,142,.35);border-color:rgba(14,159,142,.35)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--brand-light)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18px;font-weight:700;line-height:1.45}
.card:hover .card-body h3{color:var(--brand-dark)}
.card-body p{font-size:15px;color:var(--ink-2);line-height:1.7;flex:1}
.card-meta{display:flex;align-items:center;gap:12px;font-size:13.5px;color:var(--ink-3);border-top:1px solid var(--line);padding-top:14px}
.card-meta i{color:var(--brand);margin-right:5px}

/* ---------- faq ---------- */
.faq-wrap{max-width:840px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item.open{border-color:rgba(14,159,142,.45);box-shadow:var(--sh-1);background:#fff}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);text-align:left;min-height:44px;
}
.faq-item.open .faq-q{background:var(--bg)}
.faq-q:hover{color:var(--brand-dark)}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--brand-light);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.8}

/* ---------- cta ---------- */
.cta-band{
  border-radius:32px;background:var(--grad-main);color:#fff;padding:56px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 30px 60px -34px rgba(14,159,142,.8);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-band h2{font-size:clamp(22px,2.4vw,32px);font-weight:800;line-height:1.3;position:relative;z-index:1}
.cta-band p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.9);max-width:560px;position:relative;z-index:1}
.cta-band .btn{position:relative;z-index:1;flex-shrink:0}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:var(--deep-text);padding:76px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:56px}
.footer-brand .logo-text{color:#fff;font-size:20px}
.footer-brand .logo-text em{color:#7FE3D3}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.8;color:var(--deep-text);max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:#7FE3D3;letter-spacing:.08em;margin-bottom:16px}
.footer-col li+li{margin-top:2px}
.footer-col a{display:inline-flex;align-items:center;min-height:40px;font-size:14px;color:var(--deep-text)}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-card{border:1px solid rgba(255,255,255,.16);border-radius:var(--r-md);padding:22px;background:rgba(255,255,255,.04)}
.footer-card p{font-size:14px;line-height:1.75;color:var(--deep-text);margin-bottom:16px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(207,231,226,.75);
}
.to-top{
  width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;
  transition:all .2s var(--ease);
}
.to-top:hover{background:var(--brand);transform:translateY(-3px)}
.fixed-top{
  position:fixed;right:22px;bottom:26px;z-index:250;width:44px;height:44px;border-radius:50%;
  background:var(--grad-main);color:#fff;display:none;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);font-size:16px;
}
.fixed-top.show{display:flex}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:1fr;gap:0;padding-top:44px}
  .article-main{max-width:100%}
  .article-side{display:none}
  .toc-mobile{display:block}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  .nav-main{display:none}
  .mega-wrap{display:none}
  .mobile-toggle{display:flex}
  .header-inner{gap:12px}
  .logo{margin-right:auto}
  .section{padding:64px 0}
  .cta-band{padding:40px 28px;flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .header-inner{padding:0 16px;height:64px}
  .crumb-inner{padding:12px 16px}
  .article-hero{padding:30px 0 26px}
  .article-title{font-size:clamp(24px,6.4vw,32px)}
  .article-body{font-size:16px}
  .article-body h2{font-size:21px;margin-top:34px}
  .grid-3{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .section{padding:56px 0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{width:100%}
  .btn.btn-auto{width:auto}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px}
}
@media (max-width:480px){
  .logo-text{font-size:17px}
  .article-title{font-size:24px}
  .card-body{padding:18px}
  .cta-band{border-radius:24px}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E9F8E;
  --c-primary-dark:#0B8477;
  --c-primary-light:#37C6B0;
  --c-primary-soft:#E6F6F3;
  --c-accent:#FF8A3D;
  --c-accent-soft:#FFF1E6;
  --c-ink:#0B211E;
  --c-text:#3D5551;
  --c-line:#DFE7E4;
  --c-bg:#F5F7F6;
  --c-surface:#FFFFFF;
  --c-deep:#072522;
  --c-deep-text:#CFE7E2;
  --grad-main:linear-gradient(120deg,#0B8477 0%,#0E9F8E 55%,#37C6B0 100%);
  --grad-accent:linear-gradient(120deg,#FF8A3D 0%,#FFB86B 100%);
  --r-xl:32px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(11,33,30,.04),0 12px 32px -12px rgba(11,33,30,.12);
  --sh-2:0 20px 44px -16px rgba(14,159,142,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
time{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
body.no-scroll{overflow:hidden}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.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}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:13px 28px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1.2;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:0 14px 28px -16px rgba(14,159,142,.75)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 36px -16px rgba(14,159,142,.62);filter:saturate(1.06)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--c-primary-dark);border:1px solid var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-soft);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--c-primary-dark);box-shadow:0 12px 26px -16px rgba(4,32,28,.6)}
.btn-light:hover{background:var(--c-primary-soft);transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:10px 20px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary-dark)}
.link-arrow .arw{transition:transform .18s ease}
.link-arrow:hover{color:var(--c-accent)}
.link-arrow:hover .arw{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  font-variant-numeric:tabular-nums;
}
.badge-accent{background:var(--c-accent-soft);color:#C25A16;border:1px solid rgba(255,138,61,.45)}
.badge-outline{background:#fff;border:1px solid var(--c-line);color:var(--c-text)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);
  transition:background .18s ease,box-shadow .18s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.88);backdrop-filter:blur(12px);box-shadow:0 10px 26px -22px rgba(11,33,30,.5)}
.header-inner{
  max-width:1280px;margin:0 auto;height:72px;padding:0 24px;
  display:flex;align-items:center;gap:20px;
  transition:height .18s ease;
}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{display:inline-flex;width:36px;height:36px;flex-shrink:0}
.logo-text{font-size:19px;font-weight:800;color:var(--c-ink);letter-spacing:-.02em;white-space:nowrap}
.logo-text em{font-style:normal;font-size:15px;font-weight:700;color:var(--c-primary);margin-left:2px}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:44px;padding:0 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--c-text);
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--c-primary-dark);background:var(--c-primary-soft)}
.nav-link.active{color:var(--c-primary-dark)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  border-radius:2px;background:var(--grad-main);
}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  height:44px;padding:0 16px;border-radius:999px;
  border:1px solid var(--c-line);background:#fff;
  font-size:14px;font-weight:600;color:var(--c-ink);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.mega-trigger:hover{border-color:var(--c-primary);color:var(--c-primary-dark);background:var(--c-primary-soft)}
.mega-trigger .caret{font-size:10px;transform:translateY(-1px);transition:transform .18s ease}
.mega-wrap.is-open .mega-trigger .caret{transform:rotate(180deg) translateY(1px)}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:700px;
  padding:22px;border-radius:20px;border:1px solid var(--c-line);
  background:#fff;box-shadow:0 30px 70px -30px rgba(11,33,30,.4);
  display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:20px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .12s ease,transform .12s ease,visibility .12s;
}
.mega-wrap:hover .mega-panel,.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--c-text);margin-bottom:10px}
.mega-list{display:grid;gap:2px}
.mega-list a{
  display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:10px;
  font-size:14.5px;font-weight:600;color:var(--c-ink);
  transition:color .18s ease,background .18s ease,transform .18s ease;
}
.mega-list a:hover{color:var(--c-primary-dark);background:var(--c-primary-soft);transform:translateX(2px)}
.mega-list .dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary-light);flex-shrink:0}
.mega-news{display:block;padding:12px;border-radius:12px;border:1px solid var(--c-line);transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}
.mega-news + .mega-news{margin-top:8px}
.mega-news:hover{border-color:rgba(14,159,142,.45);box-shadow:var(--sh-1);transform:translateY(-2px)}
.mega-news strong{display:block;font-size:14px;font-weight:600;color:var(--c-ink);line-height:1.5}
.mega-news span{display:block;margin-top:6px;font-size:12.5px;color:var(--c-text);font-variant-numeric:tabular-nums}
.mega-card{
  padding:20px;border-radius:16px;background:var(--grad-main);color:#fff;
  display:flex;flex-direction:column;justify-content:space-between;gap:16px;height:100%;
}
.mega-card strong{color:#fff;font-size:16px;line-height:1.5}
.mega-card p{font-size:13px;color:rgba(255,255,255,.86);margin-top:6px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .2s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(7,37,34,.5);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s;z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:370px;z-index:95;
  background:#fff;border-radius:20px 0 0 20px;padding:22px;
  transform:translateX(100%);transition:transform .24s ease;
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);font-size:18px;color:var(--c-text)}
.drawer-group-title{font-size:13px;font-weight:700;color:var(--c-text);letter-spacing:.04em;margin-bottom:8px}
.drawer-link{display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:12px;font-size:17px;font-weight:700;color:var(--c-ink);transition:background .18s ease,color .18s ease}
.drawer-link:hover,.drawer-link.active{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.drawer-sub a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--c-text)}
.drawer-sub a:hover{background:var(--c-bg);color:var(--c-primary-dark)}
.drawer-foot{margin-top:auto}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-text);margin-bottom:18px}
.breadcrumb a{color:var(--c-text)}
.breadcrumb a:hover{color:var(--c-primary-dark)}
.breadcrumb .sep{color:#A9BCB8}
.breadcrumb .current{color:var(--c-ink);font-weight:600}

/* ---------- 次级 Hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#E6F6F3 0%,#F3FAF8 52%,#FFF1E6 100%)}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;opacity:.13;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,138,61,.22),rgba(255,138,61,0) 68%);
}
.cat-hero-inner{
  position:relative;z-index:1;padding:42px 0 66px;
  display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center;
}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--c-primary-dark);background:rgba(255,255,255,.75);border:1px solid rgba(14,159,142,.28);padding:6px 14px;border-radius:999px;margin-bottom:18px}
.cat-hero h1{font-size:clamp(30px,4.2vw,50px);font-weight:800;line-height:1.18;letter-spacing:-.02em;color:var(--c-ink)}
.cat-hero .hero-sub{margin-top:16px;font-size:17px;line-height:1.7;color:var(--c-text);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-stat{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;
  background:rgba(255,255,255,.82);border:1px solid rgba(14,159,142,.2);
  font-size:13.5px;font-weight:600;color:var(--c-text);
}
.hero-stat strong{font-size:17px;font-weight:800;color:var(--c-primary-dark);font-variant-numeric:tabular-nums}
.hero-stat.is-accent{border-color:rgba(255,138,61,.55);background:var(--c-accent-soft);color:#B9530F}
.hero-stat.is-accent strong{color:#C25A16}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);box-shadow:0 26px 60px -30px rgba(11,33,30,.5);aspect-ratio:16/10;background:#fff}
.hero-media img{width:100%;height:100%;object-fit:cover}
.float-chip{
  position:absolute;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:12px 16px;box-shadow:0 18px 36px -22px rgba(11,33,30,.45);
}
.float-chip span{display:block;font-size:12.5px;color:var(--c-text)}
.float-chip strong{display:block;font-size:19px;font-weight:800;color:var(--c-primary-dark);font-variant-numeric:tabular-nums;line-height:1.3}
.float-chip.fc-top{left:18px;top:18px}
.float-chip.fc-bottom{right:18px;bottom:18px}
.float-chip.fc-bottom strong{color:#C25A16}

/* ---------- 主体两栏 ---------- */
.cat-body{padding:76px 0 92px;background:var(--c-bg)}
.cat-layout{display:grid;grid-template-columns:3fr 9fr;gap:44px;align-items:start}
.toc-card{
  position:sticky;top:96px;background:#fff;border:1px solid var(--c-line);
  border-radius:20px;padding:20px;box-shadow:var(--sh-1);
}
.toc-title{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--c-text);margin-bottom:12px}
.toc-list{display:grid;gap:4px}
.toc-link{
  display:block;padding:10px 12px;border-radius:10px;
  border-left:3px solid transparent;
  font-size:14.5px;font-weight:600;color:var(--c-text);
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.toc-link:hover{color:var(--c-primary-dark);background:var(--c-bg)}
.toc-link.active{color:var(--c-primary-dark);background:var(--c-primary-soft);border-left-color:var(--c-primary)}
.toc-note{margin-top:16px;padding-top:16px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-text);line-height:1.7}

.content-section{scroll-margin-top:100px}
.content-section + .content-section{margin-top:60px;padding-top:60px;border-top:1px solid var(--c-line)}
.section-index{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--c-primary-dark);background:var(--c-primary-soft);border-radius:999px;padding:4px 12px;margin-bottom:14px}
.content-section h2{
  position:relative;padding-left:18px;
  font-size:clamp(22px,2.3vw,31px);font-weight:700;line-height:1.32;
}
.content-section h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--grad-main);
}
.content-section h3{margin-top:26px;font-size:19px;font-weight:600;color:var(--c-ink)}
.content-section p{margin-top:16px;font-size:16px;line-height:1.85;color:var(--c-text)}
.lead{font-size:16.5px;color:var(--c-ink)}

.media-row{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;margin-top:26px}
.media-row.reverse .media-fig{order:2}
.media-fig{
  border-radius:20px;overflow:hidden;border:1px solid var(--c-line);background:#fff;
  aspect-ratio:4/3;box-shadow:var(--sh-1);
}
.media-fig img{width:100%;height:100%;object-fit:cover}

.point-list{display:grid;gap:10px;margin-top:18px}
.point-list li{position:relative;padding-left:22px;font-size:15px;line-height:1.7;color:var(--c-text)}
.point-list li::before{content:"";position:absolute;left:4px;top:11px;width:8px;height:8px;border-radius:50%;background:var(--c-primary)}
.point-list li strong{color:var(--c-ink);font-weight:700}

.note-box{
  margin-top:22px;padding:20px 22px;border-radius:0 var(--r-sm) var(--r-sm) 0;
  border-left:4px solid var(--c-primary);background:var(--c-primary-soft);
  font-size:15px;line-height:1.8;color:#175E56;
}
.note-box strong{color:var(--c-primary-dark)}

.metric-strip{
  margin-top:44px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 10px;display:grid;grid-template-columns:repeat(4,1fr);box-shadow:var(--sh-1);
}
.metric{padding:2px 22px;border-left:1px solid var(--c-line)}
.metric:first-child{border-left:0}
.metric strong{display:block;font-size:clamp(24px,2.6vw,34px);font-weight:800;color:var(--c-primary-dark);font-variant-numeric:tabular-nums;line-height:1.2}
.metric span{display:block;margin-top:6px;font-size:13.5px;color:var(--c-text)}

/* ---------- 相关入口卡 ---------- */
.entry-block{margin-top:72px;padding-top:56px;border-top:1px solid var(--c-line)}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.block-head h2{font-size:clamp(22px,2.3vw,30px);font-weight:700}
.block-head p{margin-top:8px;font-size:15px;color:var(--c-text)}
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px}
.entry-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,159,142,.35)}
.entry-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft)}
.entry-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.entry-card:hover .thumb img{transform:scale(1.03)}
.entry-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.entry-card h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--c-ink);transition:color .18s ease}
.entry-card:hover h3{color:var(--c-primary-dark)}
.entry-card p{font-size:14.5px;line-height:1.7;color:var(--c-text)}
.entry-card .meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text);padding-top:6px}

/* ---------- FAQ ---------- */
.faq-block{margin-top:72px;padding-top:56px;border-top:1px solid var(--c-line)}
.faq-list{margin-top:26px;display:grid;gap:12px;max-width:880px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:border-color .18s ease}
.faq-item[open]{border-color:rgba(14,159,142,.4);background:#F5F7F6}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--c-ink);min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item .icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary-dark);font-size:16px;line-height:1;
  transition:transform .22s ease;
}
.faq-item[open] .icon{transform:rotate(45deg)}
.faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-text)}

/* ---------- CTA ---------- */
.cta-section{padding:8px 0 96px;background:var(--c-bg)}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad-main);
  padding:52px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:0 34px 70px -34px rgba(11,132,119,.7);
}
.cta-band::after{
  content:"";position:absolute;right:-100px;bottom:-140px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 70%);
}
.cta-band h2{position:relative;z-index:1;color:#fff;font-size:clamp(23px,2.5vw,32px);line-height:1.35}
.cta-band p{position:relative;z-index:1;margin-top:12px;color:rgba(255,255,255,.9);font-size:15.5px;max-width:620px}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);color:var(--c-deep-text);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text em{color:var(--c-primary-light)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:var(--c-deep-text);max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col ul{display:grid;gap:8px}
.footer-col li a{
  display:inline-flex;align-items:center;min-height:32px;font-size:14px;color:var(--c-deep-text);
  transition:color .18s ease,transform .18s ease;
}
.footer-col li a:hover{color:#fff;transform:translateX(3px)}
.footer-card{border:1px solid rgba(255,255,255,.16);border-radius:var(--r-md);padding:20px;background:rgba(255,255,255,.04)}
.footer-card p{font-size:14px;line-height:1.75;color:var(--c-deep-text)}
.footer-card .btn{margin-top:16px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(207,231,226,.8);
}
.to-top{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.1);color:#fff;font-size:16px;
  transition:transform .18s ease,background .18s ease;
}
.to-top:hover{background:var(--c-primary);transform:translateY(-3px)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .cat-layout{grid-template-columns:1fr;gap:26px}
  .toc-card{position:sticky;top:64px;z-index:40;padding:10px;border-radius:var(--r-md)}
  .toc-title,.toc-note{display:none}
  .toc-list{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}
  .toc-list::-webkit-scrollbar{display:none}
  .toc-link{white-space:nowrap;border-left:0;border-bottom:3px solid transparent;border-radius:8px;padding:8px 12px}
  .toc-link.active{border-left:0;border-bottom-color:var(--c-primary)}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .header-inner{height:64px;gap:12px}
  .nav-main,.mega-wrap{display:none}
  .header-right .btn{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .cat-hero-inner{grid-template-columns:1fr;gap:34px;padding:32px 0 52px}
  .hero-media{order:2}
  .media-row{grid-template-columns:1fr;gap:20px}
  .media-row.reverse .media-fig{order:0}
  .metric-strip{grid-template-columns:repeat(2,1fr);gap:20px 0}
  .metric:nth-child(3){border-left:0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .header-inner{padding:0 16px}
  .cat-body{padding:56px 0 68px}
  .content-section + .content-section{margin-top:44px;padding-top:44px}
  .entry-grid{grid-template-columns:1fr}
  .hero-stats{gap:8px}
  .hero-stat{padding:8px 12px;font-size:13px}
  .cta-band{padding:30px;border-radius:var(--r-lg)}
  .cta-section{padding-bottom:72px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-item summary{font-size:15.5px;padding:16px 18px}
  .faq-answer{padding:0 18px 18px}
}
@media (max-width:480px){
  .cat-hero h1{font-size:28px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .metric-strip{grid-template-columns:1fr;padding:20px 4px}
  .metric{border-left:0;padding:14px 20px;border-top:1px solid var(--c-line)}
  .metric:first-child{border-top:0}
  .float-chip{padding:9px 12px}
  .float-chip strong{font-size:16px}
}

/* roulang page: category2 */
:root{
  --brand:#0E9F8E;
  --brand-dark:#0B8477;
  --brand-soft:#E6F6F3;
  --accent:#FF8A3D;
  --accent-soft:#FFF1E6;
  --ink:#0B211E;
  --ink-2:#3D5551;
  --line:#DFE7E4;
  --bg:#F5F7F6;
  --card:#FFFFFF;
  --deep:#072522;
  --deep-text:#CFE7E2;
  --grad-main:linear-gradient(120deg,#0B8477 0%,#0E9F8E 52%,#37C6B0 100%);
  --grad-accent:linear-gradient(120deg,#FF8A3D 0%,#FFB86B 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(11,33,30,.04),0 12px 32px -12px rgba(11,33,30,.12);
  --sh-hover:0 20px 44px -16px rgba(14,159,142,.28);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:72px;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
::selection{background:rgba(14,159,142,.2);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container.narrow{max-width:920px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease,border-color .16s ease;
}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:0 12px 28px -14px rgba(14,159,142,.6);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px -16px rgba(14,159,142,.7);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;border-color:rgba(14,159,142,.45);color:var(--brand-dark);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--brand-dark);}
.btn-white:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:9px 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-dark);font-weight:600;font-size:15px;
  transition:color .16s ease;
}
.text-link span{transition:transform .16s ease;}
.text-link:hover{color:var(--accent);}
.text-link:hover span{transform:translateX(4px);}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1.4;
  background:var(--brand-soft);color:var(--brand-dark);
}
.badge-accent{background:var(--accent-soft);color:#C2571A;}
.data-badge{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:9px 18px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;font-weight:600;
}
.data-badge b{font-size:19px;font-weight:800;font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .18s ease,box-shadow .18s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.96);box-shadow:0 8px 24px -18px rgba(11,33,30,.35);}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;gap:26px;
  transition:height .18s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{display:inline-flex;width:36px;height:36px;flex:0 0 36px;}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.logo-text em{font-style:normal;color:var(--brand-dark);}
.nav-main{display:flex;align-items:center;gap:6px;margin-right:auto;}
.nav-link{
  position:relative;
  padding:10px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color .16s ease,background .16s ease;
}
.nav-link:hover{color:var(--brand-dark);background:var(--brand-soft);}
.nav-link.active{color:var(--brand-dark);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad-main);
}
.header-right{display:flex;align-items:center;gap:14px;}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:7px;
  height:42px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:14.5px;font-weight:600;cursor:pointer;
  transition:border-color .16s ease,color .16s ease,background .16s ease;
}
.mega-trigger:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.mega-trigger .caret{font-size:9px;transition:transform .18s ease;}
.mega-wrap:hover .mega-trigger .caret,.mega-wrap.open .mega-trigger .caret{transform:rotate(180deg);}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:690px;
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px;
  padding:22px;background:#fff;border:1px solid var(--line);
  border-radius:20px;box-shadow:0 28px 64px -24px rgba(11,33,30,.3);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .12s ease,transform .12s ease,visibility .12s ease;
}
.mega-wrap:hover .mega-panel,.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col-title{font-size:13px;font-weight:700;color:var(--brand-dark);letter-spacing:.04em;margin-bottom:12px;}
.mega-list li+li{margin-top:2px;}
.mega-list a{
  display:flex;align-items:center;gap:9px;
  padding:8px 10px;border-radius:10px;
  font-size:14.5px;color:var(--ink-2);
  transition:color .16s ease,background .16s ease,transform .16s ease;
}
.mega-list a:hover{color:var(--brand-dark);background:var(--brand-soft);transform:translateX(2px);}
.mega-list .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);flex:0 0 6px;}
.mega-item{
  display:block;padding:10px 12px;border-radius:12px;
  border:1px solid var(--line);
  transition:border-color .16s ease,transform .16s ease,box-shadow .16s ease;
}
.mega-item+.mega-item{margin-top:10px;}
.mega-item:hover{border-color:rgba(14,159,142,.4);transform:translateY(-2px);box-shadow:var(--sh);}
.mega-item-title{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;}
.mega-item-time{display:block;margin-top:4px;font-size:12.5px;color:var(--ink-2);font-variant-numeric:tabular-nums;}
.mega-cta{
  height:100%;border-radius:16px;padding:20px 18px;
  background:var(--grad-main);color:#fff;
  display:flex;flex-direction:column;gap:12px;
  box-shadow:0 16px 34px -18px rgba(11,132,119,.7);
}
.mega-cta-icon{font-size:14px;opacity:.85;}
.mega-cta p{font-size:14px;line-height:1.65;}
.mega-cta .btn{margin-top:auto;}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .18s ease,opacity .18s ease;}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(7,37,34,.45);
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;z-index:95;
  background:#fff;border-radius:20px 0 0 20px;
  padding:20px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(102%);transition:transform .24s ease;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;font-size:22px;line-height:1;color:var(--ink-2);cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-link{
  padding:13px 12px;border-radius:12px;font-size:17px;font-weight:700;color:var(--ink);
  transition:background .16s ease,color .16s ease;
}
.drawer-link:hover,.drawer-link.active{background:var(--brand-soft);color:var(--brand-dark);}
.drawer-sub{border-top:1px solid var(--line);padding-top:10px;margin-top:6px;}
.drawer-sub-toggle{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:13px 12px;border:0;background:transparent;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--ink-2);cursor:pointer;
}
.drawer-sub-toggle .caret{font-size:9px;transition:transform .2s ease;}
.drawer-sub.open .drawer-sub-toggle .caret{transform:rotate(180deg);}
.drawer-sub-body{display:none;padding:4px 0 6px;}
.drawer-sub.open .drawer-sub-body{display:block;}
.drawer-sub-body a{display:block;padding:11px 12px 11px 24px;border-radius:10px;font-size:15px;color:var(--ink-2);}
.drawer-sub-body a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.drawer-cta{margin-top:auto;width:100%;}

/* ---------- Category Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;text-align:center;color:#fff;
  background:var(--grad-main);
  padding:92px 0 84px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.15;mix-blend-mode:luminosity;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(520px 300px at 14% 18%,rgba(255,255,255,.16),transparent 70%),
    radial-gradient(460px 300px at 86% 84%,rgba(255,138,61,.16),transparent 72%);
}
.cat-hero .container{position:relative;z-index:2;}
.crumb{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.82);margin-bottom:20px;
}
.crumb a{color:rgba(255,255,255,.82);}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb .sep{opacity:.65;}
.crumb .now{color:#fff;font-weight:600;}
.cat-hero h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;line-height:1.18;letter-spacing:-.02em;
  max-width:900px;margin:0 auto;
}
.hero-sub{
  margin:18px auto 0;max-width:640px;
  font-size:17px;line-height:1.7;color:rgba(255,255,255,.92);
}
.hero-actions{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:30px;
}
.hero-badges{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:34px;
}
.hero-badge{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:10px 20px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.3);
  color:#fff;
}
.hero-badge b{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;}
.hero-badge span{font-size:13px;opacity:.9;}
.hero-badge.is-accent{border-color:rgba(255,184,107,.9);background:rgba(255,138,61,.24);}

/* ---------- Sections ---------- */
.sec{padding:92px 0;}
.sec-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-dark);margin-bottom:12px;
}
.sec-kicker::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--grad-main);}
.sec h2{
  font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em;
  position:relative;
}
.sec-sub{margin-top:14px;font-size:16px;line-height:1.75;color:var(--ink-2);}
.sec-foot{margin-top:36px;display:flex;justify-content:flex-start;}

/* ---------- Plan grid (big cards) ---------- */
.plan-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.plan-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);padding:32px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(14,159,142,.35);}
.plan-card-soft{background:var(--brand-soft);border-color:rgba(14,159,142,.22);}
.icon-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:14px;
  background:var(--grad-main);color:#fff;font-size:18px;font-weight:800;
  box-shadow:0 12px 26px -14px rgba(14,159,142,.75);
  margin-bottom:18px;
}
.plan-card h3{font-size:22px;font-weight:700;line-height:1.4;margin-bottom:14px;}
.tick-list{margin-top:6px;}
.tick-list li{
  position:relative;padding-left:24px;font-size:15px;line-height:1.7;color:var(--ink-2);
}
.tick-list li+li{margin-top:10px;}
.tick-list li::before{
  content:"";position:absolute;left:4px;top:10px;
  width:8px;height:8px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 0 4px rgba(14,159,142,.14);
}
.plan-card .text-link{margin-top:24px;}
.plan-card-media{
  position:relative;padding:0;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--line);background:#fff;box-shadow:var(--sh);
}
.plan-card-media img{width:100%;height:100%;min-height:340px;object-fit:cover;aspect-ratio:4/5;}
.float-badge{
  position:absolute;display:inline-flex;align-items:baseline;gap:6px;
  padding:10px 16px;border-radius:14px;background:#fff;
  box-shadow:0 16px 34px -18px rgba(11,33,30,.45);
  font-size:12.5px;color:var(--ink-2);
}
.float-badge b{font-size:18px;font-weight:800;color:var(--brand-dark);font-variant-numeric:tabular-nums;}
.float-badge-tl{top:20px;left:20px;}
.float-badge-br{bottom:20px;right:20px;}

/* ---------- Info cards (2 + 1) ---------- */
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.info-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(14,159,142,.35);}
.info-card h3{font-size:20px;font-weight:700;margin:16px 0 10px;}
.info-card p{font-size:15px;line-height:1.7;color:var(--ink-2);}
.info-card .tick-list{margin-top:16px;}
.info-card-wide{
  grid-column:1 / -1;
  display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center;
}
.info-card-wide img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);
}
.info-card-wide h3{margin-top:0;}

/* ---------- Compare bar ---------- */
.compare-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);overflow:hidden;
}
.compare-item{position:relative;padding:30px 22px;text-align:center;}
.compare-item+.compare-item::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:1px;background:var(--line);
}
.compare-item b{
  display:block;font-size:30px;font-weight:800;color:var(--brand-dark);
  line-height:1.2;font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.compare-item span{display:block;margin-top:6px;font-size:14px;color:var(--ink-2);}

/* ---------- Accordion ---------- */
.acc{margin-top:8px;}
.acc-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.acc-item+.acc-item{margin-top:12px;}
.acc-item[open]{background:#F5F7F6;border-color:rgba(14,159,142,.35);box-shadow:var(--sh);}
.acc-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.acc-item summary::-webkit-details-marker{display:none;}
.acc-item summary:hover{color:var(--brand-dark);}
.acc-plus{position:relative;width:20px;height:20px;flex:0 0 20px;}
.acc-plus::before,.acc-plus::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.acc-plus::before{left:0;top:9px;width:20px;height:2px;}
.acc-plus::after{left:9px;top:0;width:2px;height:20px;}
.acc-item[open] .acc-plus::after{transform:rotate(90deg);opacity:0;}
.acc-body{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--ink-2);}
.acc-body p+p{margin-top:10px;}

/* ---------- Link cards ---------- */
.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.link-card{
  display:flex;flex-direction:column;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(14,159,142,.35);}
.link-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-sm);}
.link-card h3{font-size:18px;font-weight:700;line-height:1.45;}
.link-card p{font-size:15px;line-height:1.7;color:var(--ink-2);}
.link-card .text-link{margin-top:auto;}

/* ---------- CTA ---------- */
.cta-box{
  position:relative;overflow:hidden;
  border-radius:32px;padding:52px 56px;
  background:var(--grad-main);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 30px 60px -30px rgba(11,132,119,.7);
}
.cta-box::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px 260px at 88% 12%,rgba(255,255,255,.22),transparent 70%);
}
.cta-box h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1.3;position:relative;z-index:2;}
.cta-box p{margin-top:12px;font-size:15.5px;line-height:1.7;color:rgba(255,255,255,.92);max-width:520px;position:relative;z-index:2;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------- Footer ---------- */
.site-footer{background:var(--deep);color:var(--deep-text);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text em{color:#7FE3D3;}
.footer-brand p{margin-top:14px;font-size:14.5px;line-height:1.8;color:rgba(207,231,226,.86);max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:#8FD9CD;letter-spacing:.05em;margin-bottom:16px;}
.footer-col ul li+li{margin-top:10px;}
.footer-col ul a{
  font-size:14px;color:var(--deep-text);transition:color .16s ease,transform .16s ease;
  display:inline-block;
}
.footer-col ul a:hover{color:#fff;transform:translateX(3px);}
.footer-card{
  border:1px solid rgba(255,255,255,.16);border-radius:var(--r-md);
  padding:20px;background:rgba(255,255,255,.04);
}
.footer-card p{font-size:14px;line-height:1.75;color:rgba(207,231,226,.88);}
.footer-card .btn{margin-top:16px;}
.footer-bottom{
  margin-top:52px;padding:22px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(207,231,226,.72);
}
.to-top{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.22);color:#fff;font-size:16px;
  transition:transform .16s ease,background .16s ease;
}
.to-top:hover{background:rgba(255,255,255,.12);transform:translateY(-3px);}

/* ---------- Responsive ---------- */
@media (min-width:1440px){
  .container{max-width:1280px;}
}
@media (max-width:1199px){
  .mega-panel{width:600px;}
}
@media (max-width:1023px){
  .nav-main{display:none;}
  .nav-toggle{display:flex;}
  .mega-wrap{display:none;}
  .header-right{margin-left:auto;}
  .sec{padding:72px 0;}
  .plan-grid{grid-template-columns:1fr;}
  .plan-card-media img{min-height:280px;aspect-ratio:16/10;}
  .compare-bar{grid-template-columns:repeat(2,1fr);}
  .compare-item:nth-child(3)::before,.compare-item:nth-child(1)::before{display:none;}
  .compare-item:nth-child(3),.compare-item:nth-child(4){border-top:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  body{padding-top:64px;}
  .header-inner{height:64px;padding:0 16px;gap:14px;}
  .site-header.is-scrolled .header-inner{height:58px;}
  .logo-text{font-size:17px;}
  .logo-mark,.logo-mark svg{width:32px;height:32px;}
  .container{padding:0 16px;}
  .sec{padding:56px 0;}
  .cat-hero{padding:64px 0 60px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-badges{gap:10px;}
  .hero-badge{padding:8px 15px;}
  .hero-badge b{font-size:17px;}
  .sec-head{margin-bottom:32px;}
  .plan-card{padding:24px;}
  .info-grid{grid-template-columns:1fr;}
  .info-card-wide{grid-template-columns:1fr;}
  .info-card{padding:24px;}
  .compare-bar{grid-template-columns:1fr;}
  .compare-item+.compare-item{border-top:1px solid var(--line);}
  .compare-item+.compare-item::before{display:none;}
  .compare-item b{font-size:26px;}
  .link-grid{grid-template-columns:1fr;}
  .cta-box{flex-direction:column;align-items:flex-start;padding:34px 24px;border-radius:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .cat-hero h1{font-size:26px;}
  .sec h2{font-size:22px;}
  .btn{padding:13px 22px;font-size:14.5px;}
  .plan-card h3,.info-card h3{font-size:18px;}
  .float-badge{padding:8px 13px;}
  .float-badge b{font-size:16px;}
}