/* roulang page: index */
:root{
  --c-bg:#070E13;
  --c-bg2:#0B1620;
  --c-card:#10202C;
  --line:rgba(255,255,255,.08);
  --glass-border:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.055);
  --lime:#C6F53C;
  --lime-press:#9EE01F;
  --teal:#2FE0C8;
  --teal-deep:#0E9C86;
  --orange:#FF7A29;
  --light-bg:#F4F7F5;
  --light-card:#FFFFFF;
  --light-line:#E6ECEA;
  --t-white:#FFFFFF;
  --t-body:#B7C6CE;
  --t-mute:#7E8F99;
  --t-dark:#0B1A22;
  --t-dark-body:#45565F;
  --t-dark-mute:#7C8B93;
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --shadow-light:0 2px 4px rgba(16,24,32,.04),0 12px 28px -16px rgba(16,24,32,.16);
  --shadow-glass:0 20px 40px -24px rgba(198,245,60,.35);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;--sp-10:128px;
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","HarmonyOS Sans SC","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:var(--font-cn);font-size:16px;line-height:1.85;color:var(--t-body);background:var(--c-bg);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--teal);text-decoration:none;text-underline-offset:3px;}
a:hover{text-decoration:underline;text-decoration-thickness:1px;}
button{font-family:inherit;cursor:pointer;}
input,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:#FFFFFF;border-bottom:1px solid #E8ECEF;transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(16,24,32,.08);}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--t-dark);text-decoration:none;flex-shrink:0;}
.brand:hover{text-decoration:none;}
.brand-mark{width:28px;height:28px;flex:0 0 28px;}
.brand-text{font-size:15px;font-weight:700;letter-spacing:.02em;color:var(--t-dark);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:8px;}
.main-nav a{display:block;font-size:14px;color:#3A4A55;padding:10px 12px;border-radius:8px;text-decoration:none;transition:background .2s,color .2s;position:relative;}
.main-nav a:hover{background:rgba(14,156,134,.08);color:var(--teal-deep);text-decoration:none;}
.main-nav a.active{color:var(--teal-deep);font-weight:600;}
.main-nav a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--teal-deep);border-radius:2px;}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box svg{position:absolute;left:12px;width:16px;height:16px;color:#8A9AA3;pointer-events:none;}
.search-box input{width:220px;height:40px;padding:0 14px 0 36px;background:#F2F5F4;border:1px solid #E4EAE8;border-radius:var(--r-pill);font-size:14px;color:var(--t-dark);transition:border-color .2s,background .2s;}
.search-box input::placeholder{color:#8A9AA3;}
.search-box input:focus{outline:none;border-color:var(--teal-deep);background:#fff;box-shadow:0 0 0 3px rgba(14,156,134,.12);}
.search-icon-btn{display:none;width:40px;height:40px;align-items:center;justify-content:center;border:1px solid #E4EAE8;background:#F2F5F4;border-radius:50%;color:#3A4A55;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:var(--r-pill);font-weight:700;font-size:15px;padding:14px 26px;min-height:44px;transition:transform .2s ease,box-shadow .25s ease,background .2s ease,color .2s ease,border-color .2s ease;text-decoration:none;}
.btn:hover{text-decoration:none;}
.btn-primary{background:linear-gradient(135deg,#C6F53C,#9EE01F);color:#06131A;box-shadow:0 0 0 1px rgba(198,245,60,.45),0 10px 28px -10px rgba(198,245,60,.55);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(198,245,60,.5),0 0 32px rgba(198,245,60,.5);}
.btn-primary:active{transform:none;}
.btn-ghost{background:transparent;color:#E8F1EC;border:1px solid rgba(255,255,255,.18);}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px);}
.btn-dark{background:#0B1A22;color:#fff;padding:10px 20px;font-size:14px;min-height:40px;}
.btn-dark:hover{background:var(--lime);color:#0B1A22;box-shadow:0 0 24px rgba(198,245,60,.45);}
.btn-light{background:#0B1A22;color:#fff;}
.btn-light:hover{background:var(--lime);color:#0B1A22;transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;min-height:40px;}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid #E4EAE8;background:#F2F5F4;border-radius:10px;align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.nav-toggle span{display:block;width:16px;height:2px;background:#3A4A55;border-radius:2px;transition:transform .2s,opacity .2s;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-drawer{display:none;position:fixed;inset:60px 0 0 0;background:#fff;z-index:89;padding:8px 18px 96px;overflow-y:auto;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{display:block;font-size:17px;color:#2C3B45;padding:16px 4px;border-bottom:1px solid #EEF2F1;text-decoration:none;}
.mobile-drawer a.active{color:var(--teal-deep);font-weight:700;}
.mobile-drawer .drawer-cta{position:fixed;left:18px;right:18px;bottom:18px;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--c-bg);padding:0 0 96px;min-height:84vh;display:flex;align-items:center;}
.hero::before{content:"";position:absolute;top:0;left:0;right:0;height:24px;background:linear-gradient(180deg,#FFFFFF 0%,rgba(7,14,19,.55) 60%,rgba(7,14,19,0) 100%);z-index:2;}
.hero-bg{position:absolute;inset:0;background-image:linear-gradient(180deg,rgba(7,14,19,.72),rgba(7,14,19,.96)),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.9;}
.hero-glow{position:absolute;inset:0;background:radial-gradient(600px 400px at 15% 20%,rgba(198,245,60,.06),transparent 70%),radial-gradient(520px 380px at 85% 70%,rgba(47,224,200,.05),transparent 70%);}
.hero-grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:40px 40px;opacity:.6;}
.hero-inner{position:relative;z-index:3;display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;padding-top:72px;}
.hero-brandline{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);background:rgba(198,245,60,.12);color:var(--lime);font-size:13px;letter-spacing:.02em;border:1px solid rgba(198,245,60,.22);}
.hero h1{font-size:clamp(32px,5vw,60px);font-weight:800;line-height:1.12;letter-spacing:-.02em;color:var(--t-white);margin-top:24px;}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.8;color:var(--t-body);max-width:560px;}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-stats{margin-top:40px;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--r-card);padding:20px 8px;backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);box-shadow:inset 0 1px 0 rgba(255,255,255,.12);}
.hero-stats div{text-align:center;padding:0 6px;}
.hero-stats b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:28px;font-weight:700;color:var(--t-white);line-height:1.2;}
.hero-stats span{display:block;font-size:12px;color:var(--t-mute);margin-top:4px;}
.hero-card{position:relative;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--glass-border);padding:16px;backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 30px 60px -30px rgba(0,0,0,.8);}
.hero-card-media{position:relative;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;background:#0B1620;}
.hero-card-media img{width:100%;height:100%;object-fit:cover;}
.hero-card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(47,224,200,.28),rgba(7,14,19,.05) 55%,rgba(7,14,19,.7));}
.hero-badge{position:absolute;top:14px;right:14px;z-index:4;display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);font-size:12px;background:rgba(198,245,60,.14);color:var(--lime);border:1px solid rgba(198,245,60,.3);}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:block;box-shadow:0 0 10px var(--lime);}
.hero-card-list{margin-top:14px;display:grid;gap:10px;}
.hero-card-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--line);font-size:14px;color:var(--t-body);}
.hero-card-list li b{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--lime);font-size:14px;}

/* ---------- Sections ---------- */
.section{padding:96px 0;position:relative;}
.section--light{background:var(--light-bg);color:var(--t-dark-body);}
.section--dark{background:var(--c-bg);}
.section--dark2{background:var(--c-bg2);}
.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,3vw,38px);font-weight:700;line-height:1.25;color:var(--t-white);}
.section--light .section-head h2{color:var(--t-dark);}
.section-head p{font-size:14px;color:var(--t-mute);margin-top:10px;letter-spacing:.01em;max-width:640px;}
.section--light .section-head p{color:var(--t-dark-mute);}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--teal);white-space:nowrap;}
.link-more:hover{color:var(--lime);}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.bento-card{position:relative;display:flex;flex-direction:column;gap:14px;padding:28px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--glass-border);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);box-shadow:inset 0 1px 0 rgba(255,255,255,.12);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.bento-card:hover{transform:translateY(-4px);border-color:rgba(198,245,60,.35);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),var(--shadow-glass);text-decoration:none;}
.bento-lg{grid-column:span 4;}
.bento-md{grid-column:span 2;}
.bento-sm{grid-column:span 2;}
.bento-icon{width:44px;height:44px;border-radius:14px;background:rgba(198,245,60,.12);display:flex;align-items:center;justify-content:center;color:var(--lime);}
.bento-icon svg{width:22px;height:22px;}
.bento-card h3{font-size:20px;font-weight:700;line-height:1.4;color:var(--t-white);}
.bento-card p{font-size:15px;line-height:1.8;color:var(--t-body);}
.bento-lg{flex-direction:row;align-items:center;gap:28px;}
.bento-lg .bento-text{flex:1;display:flex;flex-direction:column;gap:14px;}
.bento-media{flex:0 0 44%;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;border:1px solid var(--glass-border);}
.bento-media img{width:100%;height:100%;object-fit:cover;}
.bento-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.01em;background:rgba(198,245,60,.12);color:var(--lime);}
.section--light .tag{background:rgba(14,156,134,.1);color:var(--teal-deep);}

/* ---------- Scenes ---------- */
.scene-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:40px 0;border-top:1px solid var(--line);}
.scene-row:first-of-type{border-top:0;padding-top:0;}
.scene-row.reverse .scene-text{order:2;}
.scene-row.reverse .scene-media{order:1;}
.scene-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;color:var(--lime);letter-spacing:.08em;}
.scene-text h3{font-size:22px;font-weight:700;color:var(--t-white);margin-top:10px;line-height:1.4;}
.scene-text p{font-size:15px;color:var(--t-body);margin-top:12px;max-width:520px;}
.scene-text .link-more{margin-top:16px;}
.scene-media{border-radius:var(--r-card);background:var(--glass);border:1px solid var(--glass-border);padding:14px;backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);box-shadow:inset 0 1px 0 rgba(255,255,255,.12);}
.scene-media .scene-img{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;}
.scene-media img{width:100%;height:100%;object-fit:cover;}
.scene-meta{display:flex;gap:20px;margin-top:12px;padding:0 4px 4px;font-size:13px;color:var(--t-mute);flex-wrap:wrap;}
.scene-meta b{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--teal);font-weight:700;font-size:13px;}

/* ---------- Cases ---------- */
.case-wrap{display:grid;grid-template-columns:360px 1fr;gap:32px;align-items:start;}
.case-panel{background:#fff;border:1px solid var(--light-line);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-light);}
.case-panel h3{font-size:20px;font-weight:700;color:var(--t-dark);}
.case-panel p{font-size:14px;color:var(--t-dark-body);margin-top:10px;}
.case-metrics{margin-top:24px;display:grid;gap:16px;}
.case-metrics div{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px dashed var(--light-line);}
.case-metrics div:last-child{border-bottom:0;padding-bottom:0;}
.case-metrics b{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:28px;font-weight:800;color:var(--teal-deep);}
.case-metrics span{font-size:13px;color:var(--t-dark-mute);text-align:right;}
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.case-card{background:var(--light-card);border:1px solid var(--light-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-light);transition:transform .25s ease,box-shadow .25s ease;}
.case-card:hover{transform:translateY(-4px);box-shadow:0 4px 8px rgba(16,24,32,.05),0 20px 36px -18px rgba(16,24,32,.22);}
.case-card:nth-child(even){margin-top:28px;}
.case-card h3{font-size:18px;font-weight:700;color:var(--t-dark);}
.case-card p{font-size:14px;color:var(--t-dark-body);margin-top:10px;}
.case-card .case-nums{display:flex;gap:24px;margin-top:18px;padding-top:16px;border-top:1px solid var(--light-line);}
.case-card .case-nums b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:22px;font-weight:800;color:var(--t-dark);}
.case-card .case-nums span{font-size:12px;color:var(--t-dark-mute);}

/* ---------- Pricing ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--light-line);border-radius:var(--r-card);padding:32px 28px;box-shadow:var(--shadow-light);transition:transform .25s ease,box-shadow .25s ease;}
.price-card:hover{transform:translateY(-4px);}
.price-card.featured{border:1.5px solid var(--lime);box-shadow:0 20px 44px -22px rgba(198,245,60,.65);}
.price-badge{position:absolute;top:-13px;left:28px;padding:4px 14px;border-radius:var(--r-pill);background:linear-gradient(135deg,#C6F53C,#9EE01F);color:#06131A;font-size:12px;font-weight:700;letter-spacing:.02em;}
.price-card h3{font-size:18px;font-weight:700;color:var(--t-dark);}
.price-card .price-desc{font-size:14px;color:var(--t-dark-mute);margin-top:8px;min-height:44px;}
.price-amount{display:flex;align-items:baseline;gap:6px;margin-top:20px;}
.price-amount b{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:44px;font-weight:800;color:var(--t-dark);line-height:1;}
.price-amount span{font-size:13px;color:var(--t-dark-mute);}
.price-features{margin-top:24px;display:grid;gap:12px;flex:1;}
.price-features li{display:flex;gap:10px;font-size:14px;color:var(--t-dark-body);line-height:1.7;}
.price-features svg{flex:0 0 18px;width:18px;height:18px;color:var(--teal-deep);margin-top:4px;}
.price-card .btn{margin-top:24px;width:100%;}
.price-note{margin-top:28px;font-size:13px;color:var(--t-dark-mute);}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{display:flex;}
.news-card a{display:flex;flex-direction:column;width:100%;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--glass-border);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);box-shadow:inset 0 1px 0 rgba(255,255,255,.12);overflow:hidden;color:inherit;text-decoration:none;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.news-card a:hover{transform:translateY(-4px);border-color:rgba(198,245,60,.35);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),var(--shadow-glass);text-decoration:none;}
.news-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0B1620;}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card a:hover .news-media img{transform:scale(1.04);}
.news-media .badge{position:absolute;top:12px;left:12px;}
.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.01em;background:rgba(198,245,60,.14);color:var(--lime);border:1px solid rgba(198,245,60,.28);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--t-white);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{font-size:14px;color:var(--t-body);line-height:1.75;margin-top:10px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1;}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--t-mute);}
.news-foot .date{font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.news-foot .arrow{display:inline-flex;align-items:center;gap:6px;color:var(--teal);}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;padding:64px 24px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--glass-border);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);box-shadow:inset 0 1px 0 rgba(255,255,255,.12);text-align:center;}
.empty-state svg{width:36px;height:36px;color:var(--teal);}
.empty-state p{font-size:14px;color:var(--t-body);}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-intro h2{font-size:clamp(24px,3vw,38px);font-weight:700;line-height:1.25;color:var(--t-white);}
.faq-intro p{font-size:14px;color:var(--t-mute);margin-top:14px;}
.faq-list{display:grid;gap:12px;}
.faq-list details{border-radius:var(--r-card);background:var(--glass);border:1px solid var(--glass-border);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);box-shadow:inset 0 1px 0 rgba(255,255,255,.12);overflow:hidden;}
.faq-list summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 22px;min-height:56px;font-size:16px;font-weight:600;color:var(--t-white);cursor:pointer;}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary::after{content:"+";flex:0 0 auto;font-size:20px;line-height:1;color:var(--t-mute);transition:transform .25s ease,color .25s ease;}
.faq-list details[open] summary::after{transform:rotate(45deg);color:var(--lime);}
.faq-list details[open]{border-color:rgba(198,245,60,.3);}
.faq-answer{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--t-body);}

/* ---------- CTA ---------- */
.cta{position:relative;overflow:hidden;background:var(--c-bg2);border-top:1px solid var(--line);padding:96px 0;}
.cta-glow{position:absolute;inset:0;background:radial-gradient(560px 320px at 50% 0%,rgba(198,245,60,.08),transparent 70%),radial-gradient(460px 300px at 80% 100%,rgba(47,224,200,.06),transparent 70%);}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:760px;margin:0 auto;}
.cta-inner h2{font-size:clamp(24px,3vw,38px);font-weight:700;color:var(--t-white);line-height:1.25;}
.cta-inner p{margin-top:16px;font-size:16px;color:var(--t-body);}
.cta-actions{margin-top:32px;display:flex;justify-content:center;flex-wrap:wrap;gap:14px;}

/* ---------- Footer ---------- */
.site-footer{background:#05090D;border-top:1px solid var(--line);padding:64px 0 0;color:var(--t-mute);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--t-white);text-decoration:none;font-weight:700;font-size:15px;letter-spacing:.02em;}
.footer-brand:hover{text-decoration:none;color:var(--lime);}
.footer-col h4{font-size:15px;font-weight:700;color:var(--t-white);margin-bottom:18px;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:var(--t-mute);text-decoration:none;transition:color .2s;}
.footer-col a:hover{color:var(--lime);}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.8;color:var(--t-mute);max-width:320px;}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#5F6E77;}
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;display:none;align-items:center;justify-content:center;background:rgba(255,255,255,.08);border:1px solid var(--glass-border);color:var(--lime);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);z-index:80;transition:transform .2s,box-shadow .25s;}
.to-top:hover{transform:translateY(-3px);box-shadow:0 0 24px rgba(198,245,60,.4);}
.to-top.is-visible{display:flex;}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  .container{max-width:1200px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .search-box input{width:160px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding-top:56px;}
  .hero{min-height:auto;padding-bottom:72px;}
  .hero h1{font-size:clamp(30px,6vw,44px);}
  .bento{grid-template-columns:repeat(2,1fr);gap:20px;}
  .bento-lg,.bento-md,.bento-sm{grid-column:span 1;}
  .bento-lg{flex-direction:column;align-items:stretch;}
  .bento-media{flex:none;width:100%;}
  .case-wrap{grid-template-columns:1fr;gap:24px;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .news-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .price-grid{grid-template-columns:1fr;gap:20px;}
  .price-card .price-desc{min-height:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .site-header .search-box{display:none;}
  .search-icon-btn{display:inline-flex;}
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
  .header-inner{height:60px;gap:12px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .scene-row{grid-template-columns:1fr;gap:24px;padding:28px 0;}
  .scene-row.reverse .scene-text,.scene-row.reverse .scene-media{order:0;}
  .case-grid{grid-template-columns:1fr;}
  .case-card:nth-child(even){margin-top:0;}
  .news-grid{grid-template-columns:1fr;gap:16px;}
  .bento{grid-template-columns:1fr;gap:16px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:16px;padding:18px 12px;}
  .hero-actions .btn{width:100%;}
  .cta{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15px;}
  .section-head h2{font-size:24px;}
  .brand-text{font-size:14px;}
  .price-amount b{font-size:36px;}
}

/* roulang page: article */
:root{
  --bg:#070E13;
  --bg-2:#0B1620;
  --card:#10202C;
  --line:rgba(255,255,255,.08);
  --glass-border:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --lime:#C6F53C;
  --lime-press:#9EE01F;
  --aqua:#2FE0C8;
  --aqua-deep:#0E9C86;
  --orange:#FF7A29;
  --light:#F4F7F5;
  --white:#FFFFFF;
  --light-line:#E6ECEA;
  --t1:#FFFFFF;
  --t2:#B7C6CE;
  --t3:#7E8F99;
  --lt1:#0B1A22;
  --lt2:#45565F;
  --lt3:#7C8B93;
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --shadow-light:0 2px 4px rgba(16,24,32,.04), 0 12px 28px -16px rgba(16,24,32,.16);
  --shadow-nav:0 8px 24px rgba(16,24,32,.08);
  --glow-lime:0 0 0 1px rgba(198,245,60,.45), 0 10px 28px -10px rgba(198,245,60,.55);
  --ff:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ff-num:"Inter","HarmonyOS Sans SC","PingFang SC",system-ui,sans-serif;
  --w-lg:1320px;
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--aqua);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;transition:color .2s ease;}
a:hover{color:var(--lime);}
h1,h2,h3,h4{color:var(--t1);margin:0;font-weight:700;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;cursor:pointer;}
input,button{font-size:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 32px;}
@media (min-width:1400px){.container{max-width:var(--w-lg);}}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:var(--white);
  border-bottom:1px solid #E8ECEF;
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-nav);}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:68px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  text-decoration:none;flex-shrink:0;
}
.brand-mark{width:28px;height:28px;flex-shrink:0;}
.brand-text{
  font-size:15px;font-weight:700;letter-spacing:.02em;color:var(--lt1);
  white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:8px;flex:1;}
.main-nav a{
  display:inline-block;position:relative;
  font-size:14px;color:#3A4A55;text-decoration:none;
  padding:10px 12px;border-radius:8px;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.main-nav a:hover{background:rgba(14,156,134,.08);color:var(--aqua-deep);}
.main-nav a.active{color:var(--aqua-deep);font-weight:600;}
.main-nav a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--aqua-deep);border-radius:2px;
}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 12px;
  background:#F2F5F4;border:1px solid #E4EAE8;border-radius:var(--r-pill);
}
.search-box svg{width:16px;height:16px;color:#8A9AA3;flex-shrink:0;}
.search-box input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--lt1);
}
.search-box input::placeholder{color:#8A9AA3;}
.search-box:focus-within{border-color:var(--aqua-deep);background:#fff;}
.search-icon-btn{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  background:#F2F5F4;border:1px solid #E4EAE8;border-radius:50%;color:#3A4A55;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;text-decoration:none;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#C6F53C,#9EE01F);color:#06131A;
  box-shadow:var(--glow-lime);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(198,245,60,.5),0 0 32px rgba(198,245,60,.5);color:#06131A;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;border-color:rgba(255,255,255,.18);color:#E8F1EC;
}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);}
.btn-dark{
  background:var(--lt1);color:#fff;padding:10px 20px;min-height:40px;font-size:14px;
}
.btn-dark:hover{background:var(--lime);color:var(--lt1);box-shadow:0 0 24px rgba(198,245,60,.45);}
.header-cta{white-space:nowrap;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid #E4EAE8;background:#F7FAF9;
  border-radius:10px;padding:0;position:relative;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--lt1);margin:3px auto;border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(5px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

/* ============ ARTICLE HERO ============ */
.page-band{
  height:24px;width:100%;
  background:linear-gradient(180deg,#FFFFFF 0%,rgba(255,255,255,.35) 45%,rgba(7,14,19,0) 100%);
}
.article-hero{
  position:relative;
  padding:44px 0 56px;
  background-image:linear-gradient(180deg,rgba(7,14,19,.72),rgba(7,14,19,.96)),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(600px 320px at 12% 8%,rgba(198,245,60,.06),transparent 70%),
    radial-gradient(520px 300px at 88% 92%,rgba(47,224,200,.05),transparent 70%);
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--t3);letter-spacing:.01em;
}
.breadcrumb a{color:var(--t2);text-decoration:none;}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{color:var(--t3);}
.breadcrumb .current{color:var(--t3);}
.article-head{max-width:900px;margin-top:22px;}
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(198,245,60,.12);color:var(--lime);letter-spacing:.01em;
}
.article-head h1{
  margin-top:16px;
  font-size:clamp(24px,3.4vw,38px);
  font-weight:800;line-height:1.28;letter-spacing:-.01em;
  color:var(--t1);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:13px;color:var(--t3);letter-spacing:.01em;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--t3);display:inline-block;}
.article-meta .num{font-family:var(--ff-num);font-variant-numeric:tabular-nums;color:var(--t2);}

/* ============ ARTICLE BODY ============ */
.article-main{padding:56px 0 96px;background:var(--bg);}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 240px;
  gap:56px;
  align-items:start;
}
.article-panel{max-width:800px;min-width:0;}
.article-body{
  font-size:17px;line-height:1.9;color:var(--t2);
  word-wrap:break-word;overflow-wrap:break-word;
}
.article-body > * + *{margin-top:20px;}
.article-body p{margin:0;font-size:17px;line-height:1.9;}
.article-body h2{
  position:relative;
  margin:48px 0 0;
  padding-left:14px;
  font-size:clamp(20px,2.4vw,26px);
  font-weight:700;line-height:1.35;color:var(--t1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;
  background:var(--lime);border-radius:2px;
}
.article-body h2 + *{margin-top:18px;}
.article-body h3{
  margin:34px 0 0;font-size:20px;font-weight:700;line-height:1.4;color:var(--t1);
}
.article-body h3 + *{margin-top:14px;}
.article-body h4{margin:26px 0 0;font-size:17px;font-weight:700;color:var(--t1);}
.article-body ul,.article-body ol{padding-left:0;list-style:none;display:grid;gap:10px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;font-size:16.5px;line-height:1.85;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--lime);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-family:var(--ff-num);font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:700;color:var(--lime);letter-spacing:.04em;
}
.article-body ol li{padding-left:32px;}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;
  background:var(--glass);
  border-left:3px solid var(--lime);
  border-radius:var(--r-input);
  color:var(--t2);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.article-body blockquote p{font-size:16.5px;}
.article-body code{
  font-family:"JetBrains Mono",Consolas,Menlo,monospace;
  font-size:14px;color:var(--aqua);
  background:rgba(47,224,200,.08);
  padding:2px 6px;border-radius:6px;
}
.article-body pre{
  background:#05090D;
  border:1px solid var(--glass-border);
  border-radius:var(--r-input);
  padding:18px 20px;
  overflow-x:auto;
  font-size:14px;line-height:1.7;
}
.article-body pre code{background:transparent;color:var(--aqua);padding:0;}
.article-body img{
  border-radius:var(--r-img);
  border:1px solid var(--glass-border);
  margin:24px 0;
  width:100%;
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  text-align:center;font-size:13px;color:var(--t3);margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;
  display:block;overflow-x:auto;max-width:100%;
}
.article-body table thead th{
  text-align:left;font-weight:700;color:var(--t1);
  background:var(--glass-strong);
  padding:12px 14px;border-bottom:1px solid var(--glass-border);white-space:nowrap;
}
.article-body table td{
  padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top;
}
.article-body hr{border:0;height:1px;background:var(--line);margin:40px 0;}
.article-body strong{color:var(--t1);font-weight:700;}

.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:64px 28px;text-align:center;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--r-card);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
}
.empty-state .ico{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:rgba(198,245,60,.12);color:var(--lime);
}
.empty-state p{font-size:14px;color:var(--t2);}

/* ============ TOC ============ */
.toc{
  position:sticky;top:96px;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--r-card);
  padding:20px 18px;
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
}
.toc h4{font-size:13px;letter-spacing:.08em;color:var(--t3);font-weight:700;text-transform:uppercase;}
.toc ol{list-style:none;margin-top:14px;display:grid;gap:2px;counter-reset:toc;}
.toc a{
  display:block;position:relative;
  font-size:13.5px;line-height:1.6;color:var(--t2);text-decoration:none;
  padding:8px 10px;border-radius:8px;
  transition:background .2s ease,color .2s ease;
  overflow:hidden;text-overflow:ellipsis;
}
.toc a:hover{background:rgba(255,255,255,.06);color:var(--lime);}
.toc a.is-active{color:var(--lime);background:rgba(198,245,60,.10);font-weight:600;}
.toc a.is-sub{padding-left:22px;font-size:13px;color:var(--t3);}
.toc-toggle{display:none;}

/* ============ RELATED ============ */
.related{padding:0 0 96px;background:var(--bg);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;
}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.25;}
.section-head .sub{font-size:14px;color:var(--t3);margin-top:10px;}
.section-head .more{
  font-size:14px;color:var(--aqua);text-decoration:none;white-space:nowrap;
}
.section-head .more:hover{color:var(--lime);}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.glass-card{
  display:flex;flex-direction:column;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--r-card);
  overflow:hidden;
  text-decoration:none;
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.glass-card:hover{
  transform:translateY(-4px);
  border-color:rgba(198,245,60,.35);
  box-shadow:0 20px 40px -24px rgba(198,245,60,.35);
}
.glass-card .thumb{
  position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--card);
}
.glass-card .thumb img{width:100%;height:100%;object-fit:cover;}
.glass-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(47,224,200,.18),transparent 60%);
}
.glass-card .body{padding:20px 20px 18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.glass-card h3{
  font-size:17px;font-weight:700;line-height:1.5;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.glass-card .desc{
  font-size:14px;line-height:1.75;color:var(--t2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.glass-card .foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--t3);
}
.glass-card .foot .arrow{color:var(--lime);font-weight:700;}

/* ============ CTA ============ */
.final-cta{
  position:relative;
  padding:96px 0;
  background:var(--bg-2);
  border-top:1px solid var(--line);
  overflow:hidden;
}
.final-cta::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(700px 360px at 50% 0%,rgba(198,245,60,.07),transparent 70%);
}
.final-cta .container{position:relative;z-index:2;text-align:center;}
.final-cta h2{font-size:clamp(24px,3vw,38px);font-weight:700;}
.final-cta p{margin:16px auto 0;max-width:640px;font-size:16px;color:var(--t2);}
.final-cta .actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px;}

/* ============ FOOTER ============ */
.site-footer{
  background:#05090D;
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:15px;font-weight:700;letter-spacing:.02em;color:var(--t1);
  text-decoration:none;
}
.footer-brand:hover{color:var(--lime);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:var(--t3);max-width:360px;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{list-style:none;display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--t3);text-decoration:none;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:20px 0 28px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);letter-spacing:.01em;
}

/* ============ BACK TOP ============ */
.back-top{
  position:fixed;right:24px;bottom:24px;z-index:80;
  width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(255,255,255,.08);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  color:var(--lime);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
}
.back-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{border-color:rgba(198,245,60,.5);box-shadow:0 0 28px rgba(198,245,60,.35);}

/* ============ RESPONSIVE ============ */
@media (max-width:1180px){
  .search-box{width:170px;}
  .main-nav a{padding:10px 9px;font-size:13.5px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .toc{position:static;}
  .toc-toggle{
    display:flex;align-items:center;justify-content:space-between;width:100%;
    background:transparent;border:0;padding:0;color:var(--t1);font-size:14px;font-weight:700;
  }
  .toc-body{display:none;margin-top:12px;}
  .toc.is-open .toc-body{display:block;}
  .toc h4{display:none;}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:860px){
  .main-nav{
    position:fixed;inset:60px 0 0 0;z-index:95;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:12px 18px 96px;overflow-y:auto;
  }
  body.nav-open .main-nav{display:flex;}
  .main-nav a{
    font-size:17px;padding:16px 4px;border-radius:0;
    border-bottom:1px solid #EEF2F1;color:var(--lt1);
  }
  .main-nav a.active::after{left:4px;right:auto;width:22px;bottom:10px;}
  .nav-toggle{display:block;}
  .search-box{display:none;}
  .search-icon-btn{display:inline-flex;}
  .header-cta{display:none;}
  .header-inner{height:60px;gap:12px;}
  body.nav-open::before{
    content:"";position:fixed;inset:60px 0 0 0;z-index:94;background:rgba(7,14,19,.35);
  }
}
@media (max-width:768px){
  .page-band,.header-inner{gap:10px;}
  .article-hero{padding:32px 0 44px;}
  .article-main{padding:40px 0 64px;}
  .final-cta{padding:64px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .related{padding-bottom:64px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  body{font-size:16px;}
  .brand-text{font-size:14px;}
  .article-meta{font-size:12.5px;gap:8px;}
  .article-body{font-size:16px;}
  .article-body p{font-size:16px;}
  .btn{width:100%;}
  .final-cta .actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}

/* roulang page: category1 */
:root{
  --bg:#070E13;
  --bg-2:#0B1620;
  --bg-3:#10202C;
  --line:rgba(255,255,255,.08);
  --glass-line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.055);
  --lime:#C6F53C;
  --lime-press:#9EE01F;
  --teal:#2FE0C8;
  --teal-deep:#0E9C86;
  --warm:#FF7A29;
  --text:#FFFFFF;
  --text-2:#B7C6CE;
  --text-3:#7E8F99;
  --light-bg:#F4F7F5;
  --light-line:#E6ECEA;
  --ink:#0B1A22;
  --ink-2:#45565F;
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --shadow-lift:0 20px 40px -24px rgba(198,245,60,.35);
  --shadow-soft:0 2px 4px rgba(16,24,32,.04),0 12px 28px -16px rgba(16,24,32,.16);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border-radius:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0}
ul{list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
::selection{background:rgba(198,245,60,.3);color:#fff}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#FFFFFF;
  border-bottom:1px solid #E8ECEF;
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 8px 24px rgba(16,24,32,.08)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:28px;height:28px;flex:0 0 auto}
.brand-text{font-size:15px;font-weight:700;letter-spacing:.02em;color:#0B1A22;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;flex:1 1 auto}
.main-nav a{
  position:relative;font-size:14px;color:#3A4A55;padding:10px 12px;border-radius:8px;
  white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.main-nav a:hover{background:rgba(14,156,134,.08);color:var(--teal-deep)}
.main-nav a.active{color:var(--teal-deep);font-weight:600}
.main-nav a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--teal-deep);border-radius:2px;
}
.main-nav .mobile-cta{display:none}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;width:220px;padding:0 14px;
  background:#F2F5F4;border:1px solid #E4EAE8;border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:rgba(14,156,134,.55);box-shadow:0 0 0 3px rgba(14,156,134,.10)}
.search-box svg{width:16px;height:16px;color:#8A9AA3;flex:0 0 auto}
.search-box input{
  width:100%;border:0;background:transparent;font-size:14px;color:#0B1A22;outline:none;
}
.search-box input::placeholder{color:#8A9AA3}
.search-icon-btn{
  display:none;width:42px;height:42px;border-radius:12px;background:#F2F5F4;
  border:1px solid #E4EAE8;color:#0B1A22;align-items:center;justify-content:center;cursor:pointer;
}
.search-icon-btn:hover{background:rgba(14,156,134,.10);color:var(--teal-deep)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;padding:14px 26px;min-height:44px;
  cursor:pointer;border:1px solid transparent;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#C6F53C,#9EE01F);color:#06131A;
  box-shadow:0 0 0 1px rgba(198,245,60,.45),0 10px 28px -10px rgba(198,245,60,.55);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(198,245,60,.6),0 0 32px rgba(198,245,60,.5)}
.btn-primary:active{transform:translateY(0);background:linear-gradient(135deg,#9EE01F,#9EE01F)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:#E8F1EC}
.btn-ghost:hover{border-color:rgba(198,245,60,.6);color:var(--lime);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-dark{background:#0B1A22;color:#FFFFFF;height:40px;min-height:40px;padding:0 20px;font-size:14px}
.btn-dark:hover{background:var(--lime);color:#0B1A22;box-shadow:0 0 22px rgba(198,245,60,.45)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;background:#F2F5F4;border:1px solid #E4EAE8;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#0B1A22;border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:56px 0 96px;background:var(--bg)}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(7,14,19,.74),rgba(7,14,19,.97)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 420px at 12% 8%,rgba(198,245,60,.07),transparent 70%),
    radial-gradient(680px 380px at 88% 26%,rgba(47,224,200,.06),transparent 70%);
}
.hero-fade{
  position:absolute;top:0;left:0;right:0;height:24px;z-index:3;
  background:linear-gradient(180deg,#FFFFFF 0%,rgba(255,255,255,.55) 45%,rgba(255,255,255,0) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;padding-top:32px}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:var(--text-2);transition:color .2s ease}
.crumb a:hover{color:var(--lime)}
.crumb .sep{color:rgba(255,255,255,.24)}
.crumb .current{color:var(--teal)}
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;background:rgba(198,245,60,.12);color:var(--lime);
  border:1px solid rgba(198,245,60,.24);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px rgba(198,245,60,.8)}
.hero h1{
  font-size:clamp(32px,5vw,60px);font-weight:800;line-height:1.12;letter-spacing:-.02em;
  margin:20px 0 20px;
}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px}
.hero-sub span{display:block}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:34px 0 40px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);overflow:hidden;
}
.hero-stats:hover{transform:none;border-color:var(--glass-line)}
.stat{padding:18px 20px;border-right:1px solid var(--glass-line)}
.stat:last-child{border-right:0}
.stat .num{display:block;font-size:28px;font-weight:700;line-height:1.2;color:#fff}
.stat small{display:block;font-size:12px;color:var(--text-3);letter-spacing:.01em;margin-top:4px}
.glass{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.glass:hover{
  transform:translateY(-4px);border-color:rgba(198,245,60,.35);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12),var(--shadow-lift);
}
.hero-visual{position:relative;padding:16px;border-radius:22px}
.hero-visual:hover{transform:none}
.hero-visual .status-badge{
  position:absolute;top:-14px;right:20px;z-index:3;
  display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;
  font-size:12px;color:#06131A;background:linear-gradient(135deg,#C6F53C,#9EE01F);font-weight:700;
  box-shadow:0 10px 24px -12px rgba(198,245,60,.8);
}
.hero-visual figure{position:relative;border-radius:var(--r-img);overflow:hidden}
.hero-visual figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(47,224,200,.30),rgba(7,14,19,0) 62%);
}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img)}
.hero-visual-foot{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.hero-visual-foot div{
  padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.hero-visual-foot .num{display:block;font-size:24px;font-weight:700;color:var(--lime);line-height:1.2}
.hero-visual-foot small{font-size:12px;color:var(--text-3)}

/* ---------- Sections ---------- */
.section{position:relative;padding:96px 0}
.section-alt{background:var(--bg-2)}
.section-dark{background:var(--bg)}
.section-glow::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 320px at 80% 0%,rgba(47,224,200,.06),transparent 72%);
  pointer-events:none;
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;position:relative;z-index:1}
.section-head h2{font-size:clamp(24px,3vw,38px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.section-head .sub{font-size:14px;color:var(--text-3);margin-top:10px;max-width:640px}
.link-more{
  color:var(--teal);font-size:14px;white-space:nowrap;padding-bottom:2px;
  border-bottom:1px solid rgba(47,224,200,.4);transition:color .2s ease,border-color .2s ease;
}
.link-more:hover{color:var(--lime);border-color:rgba(198,245,60,.55)}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.bento .b-lg{grid-column:span 4;display:flex;flex-direction:column}
.bento .b-md{grid-column:span 2}
.bento .b-sm{grid-column:span 2}
.card{padding:28px;display:flex;flex-direction:column;height:100%}
.icon-box{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;flex:0 0 auto;
  background:rgba(198,245,60,.12);color:var(--lime);
}
.card h3{font-size:20px;font-weight:700;line-height:1.4;margin:18px 0 10px;color:#fff}
.card p{font-size:15px;color:var(--text-2);line-height:1.85}
.card .text-link{
  margin-top:auto;padding-top:20px;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--teal);transition:color .2s ease,gap .2s ease;
}
.card .text-link:hover{color:var(--lime);gap:10px}
.card-lg-body{display:grid;grid-template-columns:1.02fr .98fr;gap:28px;align-items:center;height:100%}
.card-lg-body figure{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
.card-lg-body img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s ease}
.card-lg-body figure:hover img{transform:scale(1.04)}
.card-lg-body h3{margin-top:16px}
.mini-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  font-size:12px;padding:5px 12px;border-radius:999px;
  background:rgba(198,245,60,.10);color:var(--lime);border:1px solid rgba(198,245,60,.2);
}
.tag-teal{background:rgba(47,224,200,.10);color:var(--teal);border-color:rgba(47,224,200,.24)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;z-index:1}
.step{position:relative;padding:32px 28px 28px}
.step .step-no{
  font-size:14px;font-weight:700;color:var(--lime);letter-spacing:.08em;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;font-weight:700;margin:14px 0 10px;line-height:1.4}
.step p{font-size:15px;color:var(--text-2)}
.step::before{
  content:"";position:absolute;top:44px;right:-12px;width:24px;height:1px;background:rgba(255,255,255,.14);
}
.step:last-child::before{display:none}

/* ---------- Strip ---------- */
.strip{
  display:flex;gap:16px;overflow-x:auto;padding:6px 4px 18px;scroll-snap-type:x mandatory;
  position:relative;z-index:1;
}
.strip::-webkit-scrollbar{height:6px}
.strip::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:999px}
.strip::-webkit-scrollbar-thumb{background:rgba(198,245,60,.45);border-radius:999px}
.strip-card{
  flex:0 0 232px;scroll-snap-align:start;padding:22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-line);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.strip-card:hover{transform:translateY(-4px);border-color:rgba(198,245,60,.35);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),var(--shadow-lift)}
.strip-card .label{font-size:13px;color:var(--text-3)}
.strip-card .value{display:block;font-size:30px;font-weight:800;line-height:1.2;margin-top:10px;color:#fff;font-variant-numeric:tabular-nums}
.strip-card .value em{font-style:normal;font-size:15px;font-weight:600;color:var(--text-2);margin-left:4px}

/* ---------- Fields ---------- */
.field-wrap{position:relative;z-index:1;padding:36px;border-radius:22px}
.field-wrap h3{font-size:20px;font-weight:700;margin-bottom:8px}
.field-wrap .hint{font-size:14px;color:var(--text-3)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  padding:8px 15px;border-radius:999px;font-size:14px;color:var(--text-2);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-line);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.chip:hover{color:#fff;border-color:rgba(198,245,60,.4);background:rgba(198,245,60,.08)}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;position:relative;z-index:1}
.faq-intro h2{font-size:clamp(24px,3vw,38px);font-weight:700;line-height:1.25}
.faq-intro p{font-size:15px;color:var(--text-3);margin-top:16px;max-width:340px}
.faq-item{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);margin-bottom:12px;overflow:hidden;
  transition:border-color .25s ease;
}
.faq-item:hover{border-color:rgba(198,245,60,.28)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:18px 22px;min-height:56px;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:#fff;
}
.faq-q .plus{
  flex:0 0 auto;width:22px;height:22px;position:relative;color:var(--text-2);
  transition:transform .3s ease,color .3s ease;
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .plus::before{width:14px;height:2px}
.faq-q .plus::after{width:2px;height:14px}
.faq-item.open .faq-q .plus{transform:rotate(45deg);color:var(--lime)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta{
  position:relative;overflow:hidden;padding:88px 0;background:var(--bg-2);border-top:1px solid var(--line);
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(600px 320px at 20% 20%,rgba(198,245,60,.10),transparent 70%),
    radial-gradient(560px 300px at 84% 70%,rgba(47,224,200,.08),transparent 72%);
}
.cta-inner{position:relative;z-index:1;text-align:center;max-width:760px;margin:0 auto}
.cta h2{font-size:clamp(24px,3.4vw,42px);font-weight:800;line-height:1.2;letter-spacing:-.01em}
.cta p{font-size:16px;color:var(--text-2);margin:18px 0 34px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- Footer ---------- */
.site-footer{background:#05090D;border-top:1px solid rgba(255,255,255,.08);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:56px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand span{font-size:15px;font-weight:700;letter-spacing:.02em;color:#fff}
.footer-desc{font-size:14px;color:var(--text-3);max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{font-size:14px;color:var(--text-3);transition:color .2s ease,padding-left .2s ease}
.footer-col ul li a:hover{color:var(--lime);padding-left:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- To top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;z-index:90;cursor:pointer;
  background:rgba(255,255,255,.08);border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  color:var(--lime);opacity:0;pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,border-color .3s ease;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-4px);border-color:rgba(198,245,60,.5)}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  .container{max-width:1160px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-toggle{display:flex}
  .search-icon-btn{display:flex}
  .search-box{display:none}
  .header-cta{display:none}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);margin:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#FFFFFF;padding:86px 22px 28px;
    transform:translateX(105%);transition:transform .3s ease;
    box-shadow:-12px 0 40px rgba(16,24,32,.16);z-index:120;overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0)}
  .main-nav a{
    font-size:17px;color:#0B1A22;padding:16px 4px;border-radius:0;
    border-bottom:1px solid #EEF2F1;
  }
  .main-nav a:hover{background:rgba(14,156,134,.06);color:var(--teal-deep)}
  .main-nav a.active{color:var(--teal-deep)}
  .main-nav a.active::after{display:none}
  .main-nav .mobile-cta{
    display:inline-flex;margin-top:24px;border-bottom:0;justify-content:center;
    background:linear-gradient(135deg,#C6F53C,#9EE01F);color:#06131A;font-weight:700;
    padding:15px 22px;border-radius:999px;font-size:16px;
  }
  .main-nav .mobile-cta:hover{color:#06131A;background:linear-gradient(135deg,#C6F53C,#9EE01F)}
  .hero{padding:40px 0 72px}
  .hero-inner{grid-template-columns:1fr;gap:44px;padding-top:24px}
  .hero-sub{max-width:none}
  .section{padding:72px 0}
  .bento{grid-template-columns:repeat(6,1fr);gap:20px}
  .bento .b-lg{grid-column:span 6}
  .bento .b-md{grid-column:span 3}
  .bento .b-sm{grid-column:span 3}
  .card-lg-body{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step::before{display:none}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-intro p{max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .stat{border-right:1px solid var(--glass-line)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-child(n+3){border-top:1px solid var(--glass-line)}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .brand-text{font-size:14px}
  .header-inner{height:60px;gap:12px}
  .bento{grid-template-columns:1fr;gap:16px}
  .bento .b-lg,.bento .b-md,.bento .b-sm{grid-column:span 1}
  .card{padding:22px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .hero-visual-foot{grid-template-columns:1fr}
  .field-wrap{padding:24px}
  .strip-card{flex:0 0 200px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --bg:#070E13;--bg-2:#0B1620;--card:#10202C;
  --line:rgba(255,255,255,.08);--glass-line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.055);--glass-strong:rgba(255,255,255,.09);
  --lime:#C6F53C;--lime-press:#9EE01F;
  --teal:#2FE0C8;--teal-dark:#0E9C86;
  --orange:#FF7A29;
  --t-1:#FFFFFF;--t-2:#B7C6CE;--t-3:#7E8F99;
  --l-1:#0B1A22;--l-2:#45565F;--l-3:#7C8B93;
  --white:#FFFFFF;--light:#F4F7F5;--light-line:#E6ECEA;
  --r-card:18px;--r-img:16px;--r-input:12px;--r-pill:999px;
  --s1:4px;--s2:8px;--s3:12px;--s4:16px;--s5:24px;--s6:32px;--s7:48px;--s8:64px;--s9:96px;
  --shadow-lime:0 20px 40px -24px rgba(198,245,60,.35);
  --shadow-light:0 2px 4px rgba(16,24,32,.04),0 12px 28px -16px rgba(16,24,32,.16);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","HarmonyOS Sans SC","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font-cn);background:var(--bg);color:var(--t-2);
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--teal);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
a:hover{color:var(--lime);}
h1,h2,h3,h4{margin:0;color:var(--t-1);line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (min-width:1400px){.container{max-width:1320px;}}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:90;background:#FFFFFF;border-bottom:1px solid #E8ECEF;
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(16,24,32,.08);}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.brand-mark{width:28px;height:28px;flex-shrink:0;}
.brand-text{font-size:15px;font-weight:700;letter-spacing:.02em;color:#0B1A22;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:8px;}
.main-nav a{
  display:inline-block;padding:10px 12px;border-radius:8px;font-size:14px;color:#3A4A55;
  text-decoration:none;position:relative;transition:background .2s ease,color .2s ease;
}
.main-nav a:hover{background:rgba(14,156,134,.08);color:#0E9C86;}
.main-nav a.active{color:#0E9C86;font-weight:600;}
.main-nav a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:#0E9C86;border-radius:2px;
}
.nav-cta-mobile{display:none;}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;width:220px;padding:0 14px;
  background:#F2F5F4;border:1px solid #E4EAE8;border-radius:999px;transition:border-color .2s ease,background .2s ease;
}
.search-box:focus-within{border-color:var(--teal-dark);background:#EFF7F5;}
.search-box svg{width:16px;height:16px;color:#8A9AA3;flex-shrink:0;}
.search-box input{
  border:none;background:transparent;outline:none;width:100%;font-size:14px;color:#1D2B33;
}
.search-box input::placeholder{color:#8A9AA3;}
.search-icon-btn{
  display:none;width:40px;height:40px;border-radius:999px;background:#F2F5F4;border:1px solid #E4EAE8;
  align-items:center;justify-content:center;color:#3A4A55;transition:background .2s ease,color .2s ease;
}
.search-icon-btn:hover{background:rgba(14,156,134,.1);color:#0E9C86;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15px;border-radius:999px;padding:14px 26px;
  text-decoration:none;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  min-height:44px;
}
.btn-primary{
  background:linear-gradient(135deg,#C6F53C,#9EE01F);color:#06131A;
  box-shadow:0 0 0 1px rgba(198,245,60,.45),0 10px 28px -10px rgba(198,245,60,.55);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(198,245,60,.5),0 0 32px rgba(198,245,60,.5);color:#06131A;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;color:#E8F1EC;border:1px solid rgba(255,255,255,.18);
}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);}
.btn-dark{
  background:#0B1A22;color:#FFFFFF;padding:10px 20px;font-size:14px;min-height:40px;
}
.btn-dark:hover{background:var(--lime);color:#0B1A22;box-shadow:0 0 24px rgba(198,245,60,.45);}
.header-cta{font-size:14px;padding:10px 20px;min-height:40px;flex-shrink:0;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;background:#F2F5F4;border:1px solid #E4EAE8;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#1D2B33;border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ============ HERO ============ */
.hero{
  position:relative;overflow:hidden;background:var(--bg);
  background-image:linear-gradient(180deg,rgba(7,14,19,.78),rgba(7,14,19,.96)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.hero-top-fade{height:28px;background:linear-gradient(180deg,#FFFFFF 0%,rgba(255,255,255,0) 100%);}
.hero-glow{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 420px at 12% 18%,rgba(198,245,60,.06),transparent 70%),
    radial-gradient(560px 420px at 88% 70%,rgba(47,224,200,.05),transparent 72%);
}
.hero-grid-lines{
  position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:40px 40px;
}
.hero-inner{position:relative;padding:72px 0 88px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-3);margin-bottom:22px;flex-wrap:wrap;}
.crumb a{color:var(--t-3);text-decoration:none;}
.crumb a:hover{color:var(--lime);}
.crumb .sep{opacity:.5;}
.crumb .current{color:var(--t-2);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;padding:5px 12px;border-radius:999px;
  background:rgba(198,245,60,.12);color:var(--lime);border:1px solid rgba(198,245,60,.24);margin-bottom:18px;letter-spacing:.01em;
}
.hero h1{
  font-size:clamp(32px,5vw,60px);font-weight:800;line-height:1.12;letter-spacing:-.02em;max-width:16em;
}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:var(--t-2);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  margin-top:40px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;
  background:rgba(255,255,255,.08);border:1px solid var(--glass-line);border-radius:var(--r-card);overflow:hidden;
}
.hero-stats .stat{
  background:var(--glass);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  padding:20px 22px;box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
}
.hero-stats .stat b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:28px;font-weight:700;color:var(--lime);line-height:1.2;}
.hero-stats .stat span{display:block;font-size:12px;color:var(--t-3);margin-top:6px;letter-spacing:.01em;}

/* ============ SECTIONS ============ */
.section{padding:96px 0;position:relative;}
.section--dark{background:var(--bg);}
.section--dark-2{background:var(--bg-2);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,3vw,38px);font-weight:700;line-height:1.25;}
.section-head .section-note{margin-top:10px;font-size:14px;color:var(--t-3);letter-spacing:.01em;max-width:44em;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--teal);
  text-decoration:none;white-space:nowrap;transition:color .2s ease,gap .2s ease;
}
.text-link:hover{color:var(--lime);gap:10px;}

/* 场景速览卡 */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.glass-card{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
  padding:28px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.glass-card:hover{transform:translateY(-4px);border-color:rgba(198,245,60,.35);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),var(--shadow-lime);}
.icon-box{
  width:44px;height:44px;border-radius:14px;background:rgba(198,245,60,.12);
  display:flex;align-items:center;justify-content:center;color:var(--lime);margin-bottom:20px;
}
.icon-box svg{width:22px;height:22px;}
.glass-card h3{font-size:20px;font-weight:700;line-height:1.4;}
.glass-card p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--t-2);}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.tag{
  font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(47,224,200,.1);
  color:var(--teal);letter-spacing:.01em;
}
.tag--lime{background:rgba(198,245,60,.12);color:var(--lime);}

/* 时间轴 */
.timeline{position:relative;margin-top:8px;}
.tl-item{position:relative;padding-left:76px;padding-bottom:48px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:27px;top:58px;bottom:8px;width:1px;background:rgba(255,255,255,.1);
}
.tl-item:last-child::before{display:none;}
.tl-num{
  position:absolute;left:0;top:0;width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(198,245,60,.1);border:1px solid rgba(198,245,60,.28);
  color:var(--lime);font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:16px;font-weight:700;letter-spacing:.02em;
}
.tl-body{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
  padding:28px;display:grid;grid-template-columns:1.35fr 1fr;gap:28px;align-items:start;
  transition:border-color .25s ease,transform .25s ease;
}
.tl-body:hover{border-color:rgba(198,245,60,.3);transform:translateY(-3px);}
.tl-body h3{font-size:20px;font-weight:700;margin-top:14px;}
.tl-body p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--t-2);}
.tl-fit{margin-top:14px;font-size:13.5px;color:var(--t-3);letter-spacing:.01em;}
.tl-fit b{color:var(--teal);font-weight:600;}
.tl-body .text-link{margin-top:18px;}
.tl-thumb{margin:0;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--glass-line);position:relative;}
.tl-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.tl-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(47,224,200,.22),rgba(7,14,19,.55));
}

/* 统计条 */
.stat-bar{
  margin-top:52px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;
  background:rgba(255,255,255,.08);border:1px solid var(--glass-line);border-radius:var(--r-card);overflow:hidden;
}
.stat-bar .stat{
  background:var(--glass);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  padding:26px 24px;box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
}
.stat-bar .stat b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:32px;font-weight:700;color:var(--teal);line-height:1.15;}
.stat-bar .stat span{display:block;font-size:13px;color:var(--t-3);margin-top:8px;}

/* 组合对照横滚 */
.scroll-row{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(280px,1fr);gap:20px;
  overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;
}
.scroll-row::-webkit-scrollbar{height:6px;}
.scroll-row::-webkit-scrollbar-thumb{background:rgba(198,245,60,.35);border-radius:999px;}
.scroll-row::-webkit-scrollbar-track{background:rgba(255,255,255,.06);border-radius:999px;}
.combo-card{scroll-snap-align:start;}
.combo-card h3{font-size:17px;font-weight:700;}
.combo-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--t-2);}
.combo-metrics{display:flex;gap:24px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);}
.combo-metrics div b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:22px;font-weight:700;color:var(--lime);}
.combo-metrics div span{display:block;font-size:12px;color:var(--t-3);margin-top:4px;}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-layout h2{font-size:clamp(24px,3vw,38px);font-weight:700;line-height:1.25;}
.faq-layout .faq-lead{margin-top:14px;font-size:14px;color:var(--t-3);line-height:1.8;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 24px;min-height:56px;font-size:16px;font-weight:600;color:var(--t-1);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--lime);}
.faq-ico{
  flex-shrink:0;width:22px;height:22px;position:relative;color:var(--t-3);transition:transform .25s ease,color .25s ease;
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;transform:translate(-50%,-50%);
}
.faq-ico::before{width:14px;height:1.8px;}
.faq-ico::after{width:1.8px;height:14px;}
.faq-item[open] .faq-ico{transform:rotate(45deg);color:var(--lime);}
.faq-body{padding:0 24px 20px;font-size:15px;line-height:1.8;color:var(--t-2);}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;background:var(--bg-2);border-top:1px solid var(--line);
}
.cta-band .cta-glow{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(560px 380px at 18% 30%,rgba(198,245,60,.08),transparent 70%),
    radial-gradient(520px 360px at 82% 74%,rgba(47,224,200,.07),transparent 72%);
}
.cta-inner{position:relative;padding:88px 0;text-align:left;max-width:760px;}
.cta-inner h2{font-size:clamp(26px,3.4vw,42px);font-weight:800;line-height:1.2;letter-spacing:-.01em;}
.cta-inner p{margin-top:16px;font-size:16px;line-height:1.8;color:var(--t-2);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.cta-note{margin-top:20px;font-size:13px;color:var(--t-3);}

/* Footer */
.site-footer{background:#05090D;border-top:1px solid rgba(255,255,255,.08);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#FFFFFF;font-size:15px;font-weight:700;letter-spacing:.02em;}
.footer-brand .brand-mark{width:28px;height:28px;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:#7E8F99;max-width:30em;}
.footer-col h4{font-size:14px;font-weight:700;color:#FFFFFF;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:#7E8F99;text-decoration:none;transition:color .2s ease;}
.footer-col ul li a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;justify-content:space-between;gap:16px;
  font-size:13px;color:#7E8F99;flex-wrap:wrap;
}
.to-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  display:flex;align-items:center;justify-content:center;color:var(--lime);
  opacity:0;visibility:hidden;transform:translateY(12px);transition:all .25s ease;z-index:80;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:rgba(198,245,60,.16);border-color:rgba(198,245,60,.4);}

/* ============ RESPONSIVE ============ */
@media (max-width:1180px){
  .search-box{width:170px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .search-box{display:none;}
  .search-icon-btn{display:flex;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .header-inner{height:60px;gap:16px;}
  .main-nav.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:fixed;left:0;right:0;top:60px;bottom:0;background:#FFFFFF;padding:12px 18px 96px;
    overflow-y:auto;z-index:95;margin:0;box-shadow:0 12px 32px rgba(16,24,32,.12);
  }
  .main-nav.is-open a{
    font-size:17px;padding:16px 8px;border-radius:10px;border-bottom:1px solid #EEF2F1;text-align:left;
  }
  .main-nav.is-open a.active::after{display:none;}
  .main-nav.is-open a.active{background:rgba(14,156,134,.08);}
  .main-nav.is-open .nav-cta-mobile{
    display:inline-flex;justify-content:center;margin-top:20px;background:#0B1A22;color:#FFFFFF;
    border-radius:999px;padding:15px 24px;font-weight:700;font-size:16px;border-bottom:none;
  }
  .hero-inner{padding:56px 0 72px;}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .tl-body{grid-template-columns:1fr;gap:20px;}
  .tl-thumb{order:-1;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .hero-stats,.stat-bar{grid-template-columns:1fr;}
  .hero-stats .stat,.stat-bar .stat{padding:18px 20px;}
  .scene-grid{grid-template-columns:1fr;}
  .tl-item{padding-left:0;padding-bottom:36px;}
  .tl-item::before{display:none;}
  .tl-num{position:static;margin-bottom:16px;width:48px;height:48px;font-size:15px;}
  .tl-body{padding:22px;}
  .cta-inner{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .hero-inner{padding:40px 0 56px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .glass-card{padding:22px;}
  .brand-text{font-size:14px;}
  .scroll-row{grid-auto-columns:minmax(240px,86%);}
}

/* roulang page: category3 */
:root{
  --bg-900:#070E13;
  --bg-800:#0B1620;
  --bg-700:#10202C;
  --line:rgba(255,255,255,.08);
  --glass-border:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.055);
  --lime:#C6F53C;
  --lime-press:#9EE01F;
  --teal:#2FE0C8;
  --teal-deep:#0E9C86;
  --orange:#FF7A29;
  --light-bg:#F4F7F5;
  --light-line:#E6ECEA;
  --dk-title:#FFFFFF;
  --dk-text:#B7C6CE;
  --dk-muted:#7E8F99;
  --lt-title:#0B1A22;
  --lt-text:#45565F;
  --lt-muted:#7C8B93;
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --sh-light:0 2px 4px rgba(16,24,32,.04),0 12px 28px -16px rgba(16,24,32,.16);
  --sh-light-hover:0 18px 40px -22px rgba(16,24,32,.35);
  --container:1200px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Inter","HarmonyOS Sans SC","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--dk-text);
  background:var(--bg-900);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;color:var(--dk-title);letter-spacing:-.01em;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
::selection{background:rgba(198,245,60,.28);color:#fff}

/* ---------- 容器与板块 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:96px 0;position:relative}
.section-light{background:var(--light-bg);color:var(--lt-text)}
.section-light h2,.section-light h3,.section-light h4{color:var(--lt-title)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,38px);line-height:1.25}
.section-head .head-desc{margin-top:12px;font-size:14px;line-height:1.8;color:var(--lt-muted);max-width:640px}
.section-dark .section-head .head-desc{color:var(--dk-muted)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--teal-deep);white-space:nowrap;transition:color .2s ease,gap .2s ease;
}
.link-more::after{content:"→";font-size:14px;transition:transform .2s ease}
.link-more:hover{color:#0A7A69;gap:10px}
.link-more:hover::after{transform:translateX(2px)}
.section-dark .link-more{color:var(--teal)}
.section-dark .link-more:hover{color:var(--lime)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:14px 26px;border:1px solid transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--lime),var(--lime-press));
  color:#06131A;
  box-shadow:0 0 0 1px rgba(198,245,60,.45),0 10px 28px -10px rgba(198,245,60,.55);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(198,245,60,.5),0 0 32px rgba(198,245,60,.5)}
.btn-primary:active{transform:translateY(0);background:linear-gradient(135deg,var(--lime-press),#87C70F);box-shadow:0 0 0 1px rgba(198,245,60,.4),0 6px 16px -10px rgba(198,245,60,.6)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:#E8F1EC}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);color:var(--lime-press);border-color:var(--lime-press)}
.btn-dark{background:#0B1A22;color:#fff}
.btn-dark:hover{background:var(--lime);color:#06131A;box-shadow:0 12px 26px -12px rgba(198,245,60,.7);transform:translateY(-2px)}
.btn-dark:active{transform:translateY(0);background:var(--lime-press)}
.btn-outline-light{background:#fff;color:var(--lt-title);border-color:var(--light-line)}
.btn-outline-light:hover{border-color:var(--teal-deep);color:var(--teal-deep);transform:translateY(-2px)}
.btn[disabled],.btn:disabled{opacity:.45;pointer-events:none}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;font-size:12px;font-weight:600;letter-spacing:.02em;padding:4px 10px;border-radius:var(--r-pill)}
.badge-dark{background:rgba(198,245,60,.12);color:var(--lime)}
.badge-light{background:rgba(14,156,134,.1);color:var(--teal-deep)}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid #E8ECEF;
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(16,24,32,.08)}
.header-inner{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:28px;height:28px;flex-shrink:0}
.brand-text{font-size:15px;font-weight:700;letter-spacing:.02em;color:#0B1A22;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px}
.main-nav > a{
  position:relative;font-size:14px;color:#3A4A55;padding:10px 12px;border-radius:8px;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.main-nav > a:hover{background:rgba(14,156,134,.08);color:var(--teal-deep)}
.main-nav > a.active{color:var(--teal-deep);font-weight:600}
.main-nav > a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--teal-deep);
}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;width:220px;padding:0 14px;
  background:#F2F5F4;border:1px solid #E4EAE8;border-radius:var(--r-pill);color:#8A9AA3;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--teal-deep);box-shadow:0 0 0 3px rgba(14,156,134,.14)}
.search-box svg{width:16px;height:16px;flex-shrink:0}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:13px;color:#0B1A22}
.search-box input::placeholder{color:#8A9AA3}
.search-icon-btn{display:none;width:40px;height:40px;border-radius:50%;align-items:center;justify-content:center;color:#3A4A55;background:#F2F5F4;border:1px solid #E4EAE8;transition:color .2s,border-color .2s}
.search-icon-btn:hover{color:var(--teal-deep);border-color:var(--teal-deep)}
.header-cta{min-height:40px;padding:0 20px;font-size:14px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:4px;background:#F2F5F4;border:1px solid #E4EAE8}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#0B1A22;transition:transform .25s ease,opacity .25s ease}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer-cta{display:none}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background-color:var(--bg-900);
  background-image:linear-gradient(180deg,rgba(7,14,19,.74),rgba(7,14,19,.96)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding-bottom:88px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 340px at 10% 18%,rgba(198,245,60,.06),transparent 66%),
    radial-gradient(540px 300px at 88% 62%,rgba(47,224,200,.05),transparent 68%);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(circle at 32% 42%,#000 0%,transparent 72%);
  mask-image:radial-gradient(circle at 32% 42%,#000 0%,transparent 72%);
}
.hero-fade{height:24px;background:linear-gradient(180deg,#FFFFFF 0%,rgba(255,255,255,0) 100%);position:relative;z-index:3}
.hero-inner{position:relative;z-index:2;padding-top:56px}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--dk-muted);margin-bottom:24px}
.breadcrumb a{color:var(--dk-muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .crumb-current{color:#DDE7EB}
.hero-badge-row{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.cat-hero h1{
  font-size:clamp(32px,5vw,56px);font-weight:800;line-height:1.12;letter-spacing:-.02em;max-width:15em;
}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:var(--dk-text);max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{
  margin-top:52px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--glass-border);border:1px solid var(--glass-border);border-radius:var(--r-card);
  overflow:hidden;max-width:860px;
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
}
.hero-stat{background:var(--glass);padding:22px 26px}
.hero-stat .stat-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:28px;font-weight:700;color:var(--lime);line-height:1.2;letter-spacing:-.01em;
}
.hero-stat .stat-label{margin-top:6px;font-size:12px;letter-spacing:.01em;color:var(--dk-muted)}

/* ---------- 筛选胶囊 ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.filter-chip{
  padding:9px 18px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--light-line);
  font-size:14px;color:var(--lt-text);transition:border-color .2s ease,color .2s ease,background .2s ease,box-shadow .2s ease;
}
.filter-chip:hover{border-color:var(--teal-deep);color:var(--teal-deep)}
.filter-chip.is-active{background:var(--teal-deep);border-color:var(--teal-deep);color:#fff;box-shadow:0 10px 22px -14px rgba(14,156,134,.8)}
.filter-chip:active{transform:translateY(1px)}

/* ---------- 案例卡 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--light-line);
  border-radius:var(--r-card);box-shadow:var(--sh-light);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.case-card:hover{transform:translateY(-4px);border-color:rgba(14,156,134,.35);box-shadow:var(--sh-light-hover)}
.case-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E7EFEC}
.case-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.case-card:hover .case-thumb img{transform:scale(1.04)}
.case-thumb-badge{
  position:absolute;left:14px;top:14px;font-size:12px;font-weight:600;color:#fff;
  padding:5px 12px;border-radius:var(--r-pill);background:rgba(11,26,34,.72);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.case-body{display:flex;flex-direction:column;gap:12px;padding:22px 24px 26px;flex:1}
.case-tags{display:flex;flex-wrap:wrap;gap:8px}
.case-name{font-size:17px;font-weight:700;line-height:1.5}
.case-quote{font-size:15px;line-height:1.8;color:var(--lt-text)}
.case-metrics{display:flex;flex-wrap:wrap;gap:32px;margin-top:auto;padding-top:16px;border-top:1px dashed var(--light-line)}
.metric-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:24px;font-weight:800;color:var(--teal-deep);line-height:1.25;letter-spacing:-.01em}
.metric-label{margin-top:2px;font-size:12px;color:var(--lt-muted)}

/* ---------- 记录口径 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step-card{
  background:#fff;border:1px solid var(--light-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-light);transition:transform .25s ease,box-shadow .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-light-hover)}
.step-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--teal-deep)}
.step-card h3{margin-top:14px;font-size:17px;line-height:1.5}
.step-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--lt-text)}

/* ---------- 数据汇总 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--light-line);border:1px solid var(--light-line);border-radius:var(--r-card);overflow:hidden;
}
.stat-cell{background:#fff;padding:32px 30px}
.stat-cell .cell-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:36px;font-weight:800;color:var(--teal-deep);line-height:1.2;letter-spacing:-.02em}
.stat-cell .cell-label{margin-top:8px;font-size:13px;color:var(--lt-muted)}
.strip-note{margin-top:18px;font-size:13px;color:var(--lt-muted)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--light-line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(14,156,134,.3)}
.faq-item[open]{border-color:rgba(198,245,60,.55);box-shadow:0 14px 30px -24px rgba(16,24,32,.4)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:18px 24px;font-size:16px;font-weight:600;color:var(--lt-title);
  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 .25s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--lt-muted);border-radius:2px;transition:background .25s ease}
.faq-icon::before{left:2px;right:2px;top:9px;height:2px}
.faq-icon::after{top:2px;bottom:2px;left:9px;width:2px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:var(--lime-press)}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--lt-text)}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;background:var(--bg-800);
  border:1px solid var(--glass-border);border-radius:24px;padding:64px 48px;text-align:center;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(520px 260px at 18% 12%,rgba(198,245,60,.12),transparent 68%),
    radial-gradient(460px 260px at 84% 84%,rgba(47,224,200,.10),transparent 70%);
}
.cta-panel > *{position:relative;z-index:1}
.cta-panel h2{font-size:clamp(24px,3vw,38px);line-height:1.25}
.cta-panel p{margin:16px auto 0;max-width:620px;font-size:16px;line-height:1.85;color:var(--dk-text)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px}
.cta-note{margin-top:20px;font-size:13px;color:var(--dk-muted)}

/* ---------- 页脚 ---------- */
.site-footer{background:#05090D;border-top:1px solid var(--line);padding:72px 0 0;color:var(--dk-muted)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;font-size:15px;font-weight:700;letter-spacing:.02em}
.footer-brand .brand-mark{width:26px;height:26px}
.footer-desc{font-size:14px;line-height:1.85;color:var(--dk-muted);max-width:340px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--dk-muted);transition:color .2s ease}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);padding:20px 0 28px;font-size:13px;color:var(--dk-muted);
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;color:var(--lime);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{box-shadow:0 0 0 1px rgba(198,245,60,.45),0 10px 24px -12px rgba(198,245,60,.6)}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .header-inner{gap:18px}
  .main-nav > a{font-size:13px;padding:10px 9px}
  .search-box{width:170px}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .stat-strip{grid-template-columns:1fr}
}
@media (max-width:900px){
  .search-box{display:none}
  .search-icon-btn{display:inline-flex}
  .nav-toggle{display:flex}
  .header-tools{gap:10px}
  .main-nav{
    position:fixed;left:0;right:0;top:60px;bottom:0;z-index:75;
    flex-direction:column;align-items:stretch;gap:0;padding:16px 18px 110px;
    background:#fff;overflow-y:auto;
    transform:translateX(101%);transition:transform .3s ease;
  }
  body.nav-open .main-nav{transform:translateX(0)}
  .main-nav > a{font-size:17px;padding:15px 4px;border-bottom:1px solid #EEF2F1;border-radius:0}
  .main-nav > a.active::after{display:none}
  .main-nav > a.active{color:var(--teal-deep)}
  .drawer-cta{display:inline-flex;width:100%;margin-top:24px}
  .header-cta{display:none}
  .header-inner{height:60px}
  .cat-hero{padding-bottom:64px}
  .hero-inner{padding-top:40px}
  .hero-stats{grid-template-columns:1fr;max-width:100%}
  .case-grid{grid-template-columns:1fr}
}
@media (min-width:1024px){
  .case-grid{padding-bottom:44px}
  .case-grid .case-card:nth-child(even){margin-top:44px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{flex:1 1 auto}
  .case-metrics{gap:22px}
  .cta-panel{padding:44px 22px;border-radius:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:56px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .step-grid{grid-template-columns:1fr}
  .stat-cell{padding:24px 20px}
  .stat-cell .cell-num{font-size:30px}
  .hero-stats{margin-top:36px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-body{padding:0 18px 20px}
  .case-body{padding:20px 18px 22px}
}

/* roulang page: category4 */
:root{
  --ink-950:#070E13;
  --ink-900:#0B1620;
  --ink-800:#10202C;
  --line-dark:rgba(255,255,255,.08);
  --glass-border:rgba(255,255,255,.10);
  --glass-fill:rgba(255,255,255,.055);
  --lime:#C6F53C;
  --lime-press:#9EE01F;
  --teal:#2FE0C8;
  --teal-deep:#0E9C86;
  --orange:#FF7A29;
  --light-bg:#F4F7F5;
  --card:#FFFFFF;
  --line-light:#E6ECEA;
  --t-dark:#FFFFFF;
  --t-dark-body:#B7C6CE;
  --t-dark-mute:#7E8F99;
  --t-light:#0B1A22;
  --t-light-body:#45565F;
  --t-light-mute:#7C8B93;
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --shadow-light:0 2px 4px rgba(16,24,32,.04), 0 12px 28px -16px rgba(16,24,32,.16);
  --shadow-hover:0 20px 40px -24px rgba(198,245,60,.35);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t-light-body);
  background:var(--ink-950);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
svg{display:block}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid #E8ECEF;
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 8px 24px rgba(16,24,32,.08)}
.header-inner{display:flex;align-items:center;gap:28px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:28px;height:28px;flex-shrink:0}
.brand-text{font-size:15px;font-weight:700;letter-spacing:.02em;color:#0B1A22;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.main-nav a{
  position:relative;font-size:14px;color:#3A4A55;padding:10px 12px;border-radius:8px;
  transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.main-nav a:hover{background:rgba(14,156,134,.08);color:var(--teal-deep)}
.main-nav a.active{color:var(--teal-deep);font-weight:700}
.main-nav a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--teal-deep);border-radius:2px;
}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;width:220px;padding:0 14px;
  background:#F2F5F4;border:1px solid #E4EAE8;border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box svg{width:16px;height:16px;color:#8A9AA3;flex-shrink:0}
.search-box input{
  border:0;background:transparent;outline:none;width:100%;font-size:14px;color:#0B1A22;
}
.search-box input::placeholder{color:#8A9AA3}
.search-box:focus-within{border-color:var(--teal-deep);box-shadow:0 0 0 3px rgba(14,156,134,.12)}
.search-icon-btn{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  background:#F2F5F4;border:1px solid #E4EAE8;border-radius:50%;color:#3A4A55;cursor:pointer;
}
.search-icon-btn:hover{color:var(--teal-deep);border-color:var(--teal-deep)}
.nav-toggle{
  display:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  background:#F2F5F4;border:1px solid #E4EAE8;border-radius:12px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#0B1A22;border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:13px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#C6F53C,#9EE01F);color:#06131A;
  box-shadow:0 0 0 1px rgba(198,245,60,.45), 0 10px 28px -10px rgba(198,245,60,.55);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(198,245,60,.6), 0 0 32px rgba(198,245,60,.5)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#E8F1EC;border-color:rgba(255,255,255,.18)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn-dark{background:#0B1A22;color:#fff;box-shadow:0 10px 24px -16px rgba(11,26,34,.6)}
.btn-dark:hover{background:var(--lime);color:#0B1A22;box-shadow:0 0 0 1px rgba(198,245,60,.5), 0 12px 26px -12px rgba(198,245,60,.65);transform:translateY(-2px)}
.btn-light{background:#fff;color:#0B1A22;border-color:#E6ECEA;box-shadow:var(--shadow-light)}
.btn-light:hover{border-color:var(--teal-deep);color:var(--teal-deep);transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.header-cta{height:40px;min-height:40px;padding:0 22px;font-size:14px}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;color:var(--t-dark);
  padding:88px 0 84px;
  background:#070E13 url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,14,19,.78),rgba(7,14,19,.95));
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:40px 40px;opacity:.5;pointer-events:none;
}
.hero-fade{
  position:absolute;top:0;left:0;right:0;height:24px;z-index:3;
  background:linear-gradient(180deg,rgba(255,255,255,.9),rgba(255,255,255,0));
  pointer-events:none;
}
.hero-glow{
  position:absolute;width:820px;height:820px;right:-240px;top:-360px;z-index:1;
  background:radial-gradient(circle,rgba(198,245,60,.10),transparent 62%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:4}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t-dark-mute);margin-bottom:26px;flex-wrap:wrap}
.breadcrumb a{color:var(--t-dark-mute);transition:color .2s ease}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb span{color:rgba(255,255,255,.22)}
.breadcrumb em{font-style:normal;color:var(--t-dark-body)}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:4px 12px;
  border-radius:var(--r-pill);letter-spacing:.01em;
}
.badge-lime{background:rgba(198,245,60,.12);color:var(--lime);border:1px solid rgba(198,245,60,.28)}
.badge-teal{background:rgba(47,224,200,.12);color:var(--teal);border:1px solid rgba(47,224,200,.26)}
.page-hero h1{
  font-size:clamp(30px,4.6vw,54px);font-weight:800;line-height:1.14;
  letter-spacing:-.02em;margin:20px 0 18px;max-width:20em;
}
.hero-sub{font-size:17px;line-height:1.8;color:var(--t-dark-body);max-width:44em}
.hero-sub br{display:block}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  margin-top:48px;border-radius:var(--r-card);overflow:hidden;
  background:var(--glass-fill);border:1px solid var(--glass-border);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
}
.hero-stats li{padding:22px 24px;border-right:1px solid var(--line-dark)}
.hero-stats li:last-child{border-right:0}
.hero-stats b{display:block;font-size:28px;font-weight:700;line-height:1.2;color:#fff}
.hero-stats span{display:block;font-size:12px;color:var(--t-dark-mute);margin-top:6px}

/* ============ Sections ============ */
.section{padding:96px 0}
.section-dark{background:var(--ink-950);color:var(--t-dark-body)}
.section-light{background:var(--light-bg);color:var(--t-light-body)}
.section-white{background:#fff;color:var(--t-light-body)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:40px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.25;letter-spacing:-.01em;
  color:var(--t-light);
}
.section-dark .section-head h2{color:#fff}
.section-note{font-size:14px;color:var(--t-light-mute);margin-top:10px}
.section-dark .section-note{color:var(--t-dark-mute)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;
  color:var(--teal-deep);padding-bottom:2px;
  border-bottom:1px solid rgba(14,156,134,.35);
  transition:color .2s ease,border-color .2s ease,gap .2s ease;
}
.link-more:hover{color:#0A7C6B;border-color:#0A7C6B;gap:10px}
.section-dark .link-more{color:var(--teal);border-color:rgba(47,224,200,.4)}
.section-dark .link-more:hover{color:var(--lime);border-color:var(--lime)}

/* ============ Price cards ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}
.price-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line-light);border-radius:var(--r-card);
  padding:34px 30px 30px;box-shadow:var(--shadow-light);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:0 2px 4px rgba(16,24,32,.05),0 22px 40px -22px rgba(16,24,32,.24)}
.price-card.featured{
  border-color:rgba(198,245,60,.9);
  box-shadow:0 0 0 1px rgba(198,245,60,.55), 0 28px 52px -30px rgba(198,245,60,.85);
  transform:translateY(-10px);
}
.price-card.featured:hover{transform:translateY(-14px)}
.ribbon{
  position:absolute;top:-13px;left:30px;
  background:linear-gradient(135deg,#C6F53C,#9EE01F);color:#06131A;
  font-size:12px;font-weight:800;letter-spacing:.04em;
  padding:5px 14px;border-radius:var(--r-pill);
  box-shadow:0 8px 20px -10px rgba(198,245,60,.9);
}
.plan-name{font-size:19px;font-weight:700;color:var(--t-light)}
.plan-for{font-size:14px;color:var(--t-light-mute);margin-top:6px;min-height:44px}
.plan-price{display:flex;align-items:baseline;gap:8px;margin:18px 0 6px}
.plan-price .amount{font-size:44px;font-weight:800;line-height:1;letter-spacing:-.02em;color:var(--t-light)}
.plan-price .unit{font-size:14px;color:var(--t-light-mute)}
.plan-tax{font-size:13px;color:var(--t-light-mute);margin-bottom:22px}
.feature-list{display:flex;flex-direction:column;gap:12px;margin-bottom:28px}
.feature-list li{position:relative;padding-left:26px;font-size:15px;color:var(--t-light-body);line-height:1.7}
.feature-list li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--teal-deep);font-weight:800;font-size:14px;
}
.price-card .btn{width:100%;margin-top:auto}
.fineprint{font-size:13px;color:var(--t-light-mute);margin-top:26px;line-height:1.9}

/* ============ Compare table ============ */
.compare-wrap{
  background:#fff;border:1px solid var(--line-light);border-radius:var(--r-card);
  overflow-x:auto;box-shadow:var(--shadow-light);
}
table.compare{width:100%;min-width:680px;border-collapse:collapse}
table.compare thead th{
  background:linear-gradient(180deg,#F8FBF9,#EDF4F1);
  backdrop-filter:blur(10px);
  font-size:14px;font-weight:700;color:var(--t-light);
  text-align:center;padding:18px 16px;border-bottom:1px solid var(--line-light);
  position:sticky;top:0;
}
table.compare thead th:first-child{text-align:left;padding-left:28px}
table.compare tbody td{
  padding:16px;border-bottom:1px solid var(--line-light);
  font-size:15px;text-align:center;color:var(--t-light-body);
}
table.compare tbody td:first-child{text-align:left;font-weight:700;color:var(--t-light);padding-left:28px}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:hover td{background:#FAFCFB}
.mark-yes{color:var(--teal-deep);font-weight:800}
.mark-no{color:#B3C0C6}
.compare-stack{display:none;flex-direction:column;gap:16px}
.stack-card{background:#fff;border:1px solid var(--line-light);border-radius:var(--r-card);padding:22px 20px;box-shadow:var(--shadow-light)}
.stack-card h4{font-size:17px;font-weight:700;color:var(--t-light);margin-bottom:14px}
.stack-card dl{display:grid;grid-template-columns:1fr auto;gap:10px 12px;font-size:14px}
.stack-card dt{color:var(--t-light-mute)}
.stack-card dd{margin:0;text-align:right;font-weight:700;color:var(--t-light)}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-side h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.28;color:var(--t-light);letter-spacing:-.01em}
.faq-side p{font-size:15px;color:var(--t-light-body);margin-top:16px;line-height:1.85}
.faq-side figure{margin-top:26px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line-light);box-shadow:var(--shadow-light)}
.faq-side figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.faq-help{
  margin-top:24px;padding:20px;border-radius:var(--r-card);
  background:#fff;border:1px solid var(--line-light);box-shadow:var(--shadow-light);
}
.faq-help b{display:block;font-size:15px;color:var(--t-light);margin-bottom:6px}
.faq-help span{font-size:14px;color:var(--t-light-mute)}
.faq-help a{color:var(--teal-deep);border-bottom:1px solid rgba(14,156,134,.35);transition:color .2s}
.faq-help a:hover{color:#0A7C6B}
.faq-list{display:flex;flex-direction:column}
.faq-item{
  background:#fff;border:1px solid var(--line-light);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;box-shadow:0 2px 4px rgba(16,24,32,.04);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:#CFE0DA}
.faq-item.open{border-color:rgba(14,156,134,.45);box-shadow:0 16px 32px -22px rgba(14,156,134,.5)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:18px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--t-light);line-height:1.6;
}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;display:grid;place-items:center;
  font-size:18px;font-weight:700;color:var(--teal-deep);
  background:rgba(14,156,134,.08);border-radius:50%;
  transition:transform .28s ease,background .25s ease,color .25s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(198,245,60,.28);color:#5C7A16}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--t-light-body);margin:0}

/* ============ Final CTA ============ */
.final-cta{
  position:relative;overflow:hidden;background:var(--ink-950);color:var(--t-dark);
  padding:96px 0;text-align:center;
}
.final-cta::before{
  content:"";position:absolute;width:760px;height:760px;left:50%;top:-46%;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(198,245,60,.16),transparent 62%);pointer-events:none;
}
.final-cta::after{
  content:"";position:absolute;width:520px;height:520px;right:-160px;bottom:-260px;
  background:radial-gradient(circle,rgba(47,224,200,.14),transparent 64%);pointer-events:none;
}
.final-cta .container{position:relative;z-index:2}
.final-cta h2{font-size:clamp(26px,3.4vw,42px);font-weight:800;line-height:1.24;letter-spacing:-.02em;color:#fff}
.final-cta p{max-width:56em;margin:18px auto 0;font-size:16px;line-height:1.85;color:var(--t-dark-body)}
.final-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:34px}

/* ============ Footer ============ */
.site-footer{
  background:#05090D;border-top:1px solid rgba(255,255,255,.08);
  padding:64px 0 28px;color:var(--t-dark-mute);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:15px;font-weight:700;letter-spacing:.02em}
.footer-brand span{color:#fff}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:var(--t-dark-mute);max-width:34em}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:var(--t-dark-mute);transition:color .2s ease}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#6E7E88;
}

/* ============ To top ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:90;
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  color:var(--lime);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,visibility .25s ease,transform .25s ease,box-shadow .25s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{box-shadow:0 0 26px rgba(198,245,60,.4);border-color:rgba(198,245,60,.5)}

/* ============ Responsive ============ */
@media (max-width:1279px){
  .container{padding:0 28px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .header-inner{min-height:60px;gap:16px}
  .search-box{display:none}
  .search-icon-btn{display:flex}
  .nav-toggle{display:flex}
  .header-cta{
    height:38px;min-height:38px;padding:0 16px;font-size:13px;
  }
  .main-nav{
    position:fixed;left:0;right:0;top:60px;z-index:79;
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    background:#fff;padding:8px 18px 26px;
    border-bottom:1px solid #EEF2F1;
    box-shadow:0 24px 48px -24px rgba(16,24,32,.28);
    max-height:calc(100vh - 60px);overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-14px);pointer-events:none;
    transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  }
  .site-header.nav-open .main-nav{opacity:1;visibility:visible;transform:none;pointer-events:auto}
  .main-nav a{padding:16px 6px;font-size:17px;border-bottom:1px solid #EEF2F1;border-radius:0}
  .main-nav a:hover{background:transparent}
  .main-nav a.active::after{display:none}
  .section{padding:72px 0}
  .price-grid{grid-template-columns:1fr;gap:20px}
  .price-card.featured{transform:none}
  .price-card.featured:hover{transform:translateY(-4px)}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-stats li:nth-child(2){border-right:0}
  .hero-stats li:nth-child(1),.hero-stats li:nth-child(2){border-bottom:1px solid var(--line-dark)}
}
@media (max-width:767px){
  .page-hero{padding:64px 0 60px}
  .page-hero h1{font-size:clamp(26px,7vw,36px)}
  .hero-sub{font-size:16px}
  .hero-sub br{display:none}
  .hero-actions .btn{flex:1 1 100%}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .compare-wrap{display:none}
  .compare-stack{display:flex}
  .hero-stats b{font-size:24px}
  .final-cta{padding:64px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:16px;width:44px;height:44px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .brand-text{font-size:14px}
  .header-cta{display:none}
  .plan-price .amount{font-size:38px}
  .hero-stats li{padding:18px 16px}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px}
}