/* roulang page: index */
:root{
  --brand-1:#6240E8;
  --brand-2:#FF6B4A;
  --brand-3:#14C8A8;
  --grad-brand:linear-gradient(120deg,#6240E8 0%,#A64CE0 45%,#FF6B4A 100%);
  --grad-dark:linear-gradient(150deg,#160E33 0%,#2A1B5E 55%,#4527A0 100%);
  --ink-900:#14121F;
  --ink-700:#3A3654;
  --ink-500:#6E6A88;
  --bg:#F6F5FA;
  --bg-soft:#F0EEF9;
  --surface:#FFFFFF;
  --line:#E8E5F5;
  --line-strong:#D8D3EE;
  --on-dark:#F7F5FF;
  --on-dark-2:rgba(247,245,255,.72);
  --warn:#F5A524;
  --error:#E5484D;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow-1:0 6px 24px rgba(31,20,80,.06);
  --shadow-2:0 18px 48px rgba(31,20,80,.12);
  --shadow-brand:0 12px 32px rgba(98,64,232,.28);
  --ease:220ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--brand-1);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-2)}
img{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px}

h1{font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:800;letter-spacing:-.5px;color:var(--ink-900)}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;color:var(--ink-900)}
h3{font-size:21px;line-height:1.4;font-weight:700;color:var(--ink-900)}
p{font-size:16px;line-height:1.85}
.small{font-size:13px;line-height:1.7;color:var(--ink-500)}
.tabular{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--soft{background:var(--bg-soft)}
.section--dark{background:var(--grad-dark);color:var(--on-dark)}
.section--dark h2,.section--dark h3{color:var(--on-dark)}
.section--dark p{color:var(--on-dark-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px;flex-wrap:wrap}
.section-head p{max-width:640px;margin-top:14px;color:var(--ink-500)}
.section--dark .section-head p{color:var(--on-dark-2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.02em;padding:6px 14px;border-radius:var(--r-pill);background:rgba(98,64,232,.08);color:var(--brand-1)}
.eyebrow i{font-size:11px}
.section--dark .eyebrow{background:rgba(255,255,255,.10);color:var(--on-dark)}
.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:600;line-height:1;white-space:nowrap;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{color:#fff;filter:brightness(1.06);box-shadow:var(--shadow-brand);transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{border:1.5px solid var(--brand-1);color:var(--brand-1);background:transparent}
.btn-outline:hover{background:rgba(98,64,232,.08);color:var(--brand-1)}
.btn-light{border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.10);color:#fff}
.btn-light:hover{background:#fff;color:var(--brand-1);border-color:#fff}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-1)}
.text-link i{transition:transform var(--ease)}
.text-link:hover i{transform:translateX(4px)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(20,14,45,.28);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:0 4px 24px rgba(20,14,45,.18);
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
  --nav-fg:#F7F5FF;
  --nav-fg-2:rgba(247,245,255,.72);
}
.site-header.is-solid{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-1);
  --nav-fg:#14121F;
  --nav-fg-2:#6E6A88;
}
.nav{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:flex;align-items:center;gap:12px;color:var(--nav-fg);flex-shrink:0}
.logo:hover{color:var(--nav-fg)}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);display:grid;place-items:center;box-shadow:0 8px 20px rgba(98,64,232,.35);flex-shrink:0}
.logo-mark i{color:#fff;font-size:17px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16px;font-weight:800;letter-spacing:-.2px;color:var(--nav-fg)}
.logo-text span{font-size:12px;color:var(--nav-fg-2);font-weight:500}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{position:relative;padding:10px 14px;font-size:14.5px;font-weight:500;color:var(--nav-fg);border-radius:var(--r-sm);transition:color var(--ease),background var(--ease)}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform var(--ease)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link:hover{color:var(--nav-fg)}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:12px}
.nav-icon{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:var(--nav-fg);border:1px solid rgba(255,255,255,.22);transition:background var(--ease),color var(--ease),border-color var(--ease)}
.site-header.is-solid .nav-icon{border-color:var(--line-strong)}
.nav-icon:hover{background:rgba(98,64,232,.12);color:var(--brand-1)}
.nav-cta{padding:11px 22px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;place-items:center;color:var(--nav-fg);border:1px solid rgba(255,255,255,.22)}
.site-header.is-solid .nav-toggle{border-color:var(--line-strong)}
.nav-toggle i{font-size:18px}

.drawer-mask{position:fixed;inset:0;background:rgba(20,14,45,.55);opacity:0;pointer-events:none;transition:opacity var(--ease);z-index:130}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:140;background:rgba(22,14,51,.92);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-left:1px solid rgba(255,255,255,.14);padding:28px 24px;transform:translateX(100%);transition:transform 260ms ease-out;display:flex;flex-direction:column;gap:6px;overflow-y:auto}
body.drawer-open .drawer{transform:none}
body.drawer-open .drawer-mask{opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head b{color:#fff;font-size:16px;font-weight:800}
.drawer-close{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:#fff;border:1px solid rgba(255,255,255,.24)}
.drawer-link{padding:16px 14px;border-radius:var(--r-sm);color:var(--on-dark);font-size:16px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:space-between}
.drawer-link:hover{background:rgba(255,255,255,.08);color:#fff}
.drawer-link.is-active{color:#fff;background:rgba(98,64,232,.35)}
.drawer .btn{margin-top:20px;width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;padding:150px 0 96px;background:var(--grad-dark);overflow:hidden;color:var(--on-dark)}
.hero::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;opacity:.34}
.hero::after{content:"";position:absolute;inset:0;background:rgba(22,14,51,.6)}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;padding:7px 16px;border-radius:var(--r-pill);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);color:var(--on-dark);letter-spacing:.02em}
.hero-tag i{color:var(--brand-3)}
.hero h1{margin:22px 0 18px;color:#fff}
.hero-sub{font-size:17px;line-height:1.75;color:var(--on-dark-2);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
.stat{padding:18px 16px;border-radius:var(--r-md);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14)}
.stat b{display:block;font-size:24px;font-weight:800;line-height:1.2;color:var(--brand-3);font-variant-numeric:tabular-nums}
.stat b .unit{font-size:13px;font-weight:600;color:var(--on-dark-2);margin-left:3px}
.stat span{display:block;margin-top:6px;font-size:12.5px;color:var(--on-dark-2);line-height:1.5}
.hero-visual{position:relative}
.hero-card{position:relative;border-radius:var(--r-lg);padding:4px;background:var(--grad-brand);box-shadow:0 26px 60px rgba(12,6,34,.5)}
.hero-media{border-radius:20px;overflow:hidden;aspect-ratio:16/9;background:var(--grad-brand)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-float{position:absolute;left:-18px;bottom:-22px;display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:var(--r-md);background:rgba(255,255,255,.96);box-shadow:var(--shadow-2);color:var(--ink-700)}
.hero-float i{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:rgba(20,200,168,.12);color:var(--brand-3);font-size:16px}
.hero-float b{display:block;font-size:14px;color:var(--ink-900)}
.hero-float span{font-size:12.5px;color:var(--ink-500)}
.scroll-hint{display:flex;justify-content:flex-end;margin-top:40px}
.scroll-hint a{display:inline-flex;align-items:center;gap:10px;font-size:13px;color:var(--on-dark-2)}
.scroll-hint i{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(255,255,255,.28);animation:bob 2.4s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}

/* ---------- 卖点 ---------- */
.features-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.feature-aside{position:sticky;top:100px}
.feature-aside p{margin:18px 0 20px;color:var(--ink-500)}
.feature-list{display:grid;gap:24px}
.feature-card{position:relative;padding:34px 28px 28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease)}
.feature-card::after{content:"";position:absolute;left:0;right:0;top:0;height:2px;border-radius:var(--r-lg) var(--r-lg) 0 0;background:var(--grad-brand);opacity:0;transition:opacity var(--ease)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.feature-card:hover::after{opacity:1}
.feature-card:nth-child(even){margin-left:9%}
.feature-num{font-size:34px;font-weight:800;line-height:1;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.feature-card h3{margin:14px 0 8px;font-size:20px}
.feature-card p{color:var(--ink-500);font-size:15px;line-height:1.75}
.feature-icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:rgba(98,64,232,.08);color:var(--brand-1);font-size:17px;margin-top:16px}

/* ---------- 演示 ---------- */
.demo-grid{display:grid;grid-template-columns:8fr 4fr;gap:40px;align-items:center}
.browser{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-strong);background:#fff;box-shadow:var(--shadow-2)}
.browser-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#F3F1FB;border-bottom:1px solid var(--line)}
.browser-bar .dot{width:11px;height:11px;border-radius:50%}
.dot--r{background:#F5A524}
.dot--y{background:#A64CE0}
.dot--g{background:var(--brand-3)}
.browser-bar span{margin-left:10px;font-size:12.5px;color:var(--ink-500);background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:3px 14px}
.browser-body{aspect-ratio:16/9;background:var(--grad-brand)}
.browser-body img{width:100%;height:100%;object-fit:cover}
.thumb-row{display:flex;gap:12px;margin-top:24px}
.thumb{flex:1;aspect-ratio:16/10;border-radius:var(--r-sm);overflow:hidden;border:2px solid transparent;background:var(--bg-soft);cursor:pointer;transition:border-color var(--ease),transform var(--ease)}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb:hover{transform:translateY(-3px)}
.thumb.is-active{border-color:var(--brand-1)}
.demo-side h2{margin-bottom:16px}
.demo-side p{color:var(--ink-500)}
.demo-list{margin:24px 0 28px;display:grid;gap:12px}
.demo-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-700)}
.demo-list i{color:var(--brand-3);margin-top:5px}

/* ---------- 证据 ---------- */
.proof-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.stat-matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.stat-card{padding:24px 22px;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-1)}
.stat-card b{display:block;font-size:28px;font-weight:800;line-height:1.2;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.stat-card span{display:block;margin-top:8px;font-size:13px;color:var(--ink-500);line-height:1.6}
.quote-list{display:grid;gap:20px}
.quote-card{padding:28px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease)}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.quote-head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.avatar{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--grad-brand);color:#fff;font-weight:800;font-size:16px;flex-shrink:0}
.quote-head b{display:block;font-size:15px;color:var(--ink-900)}
.quote-head span{font-size:12.5px;color:var(--ink-500)}
.stars{margin-left:auto;color:var(--warn);font-size:13px;letter-spacing:2px}
.quote-card p{font-size:15px;color:var(--ink-700);line-height:1.8}
.logo-wall{display:flex;flex-wrap:wrap;gap:12px;margin-top:48px;padding-top:32px;border-top:1px solid var(--line)}
.logo-item{padding:12px 22px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);color:var(--ink-500);font-size:14px;font-weight:600;filter:grayscale(1);opacity:.72;transition:opacity var(--ease),filter var(--ease),color var(--ease),border-color var(--ease)}
.logo-item:hover{filter:none;opacity:1;color:var(--brand-1);border-color:var(--line-strong)}

/* ---------- 方案 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;margin-top:8px}
.price-card{position:relative;padding:36px 28px 32px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform var(--ease),box-shadow var(--ease)}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.price-card--featured{margin-top:-12px;padding-top:44px;border:2px solid transparent;background:linear-gradient(var(--surface),var(--surface)) padding-box,var(--grad-brand) border-box;box-shadow:var(--shadow-2)}
.ribbon{position:absolute;top:16px;right:20px;padding:5px 14px;border-radius:var(--r-pill);background:var(--brand-2);color:#fff;font-size:12px;font-weight:600;letter-spacing:.02em}
.price-name{font-size:19px;font-weight:700;color:var(--ink-900)}
.price-desc{margin-top:8px;font-size:14px;color:var(--ink-500);min-height:44px}
.price-num{margin:18px 0 4px;font-size:42px;font-weight:800;line-height:1;color:var(--ink-900);font-variant-numeric:tabular-nums}
.price-num small{font-size:14px;font-weight:600;color:var(--ink-500);margin-left:4px}
.price-list{margin:22px 0 26px;display:grid;gap:12px;flex:1}
.price-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-700);align-items:flex-start}
.price-list i{font-size:13px;margin-top:5px;color:var(--brand-3)}
.price-list li.is-off{color:var(--ink-500);opacity:.68}
.price-list li.is-off i{color:var(--ink-500)}
.price-card .btn{width:100%}
.price-note{margin-top:24px;font-size:13px;color:var(--ink-500);text-align:center}

/* ---------- 资讯（CMS） ---------- */
.news-grid{display:grid;grid-template-columns:6fr 6fr;gap:24px;align-items:start}
.news-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);overflow:hidden;transition:transform var(--ease),box-shadow var(--ease)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.news-card--lead{display:grid;grid-template-columns:1fr;height:100%}
.news-media{display:block;aspect-ratio:16/9;background:var(--grad-brand);position:relative;overflow:hidden}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform 260ms ease-out}
.news-card:hover .news-media img{transform:scale(1.03)}
.news-body{padding:24px 26px 26px}
.news-title{margin:14px 0 10px;font-size:20px;line-height:1.45;font-weight:700;color:var(--ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:inherit}
.news-title a:hover{color:var(--brand-1)}
.news-excerpt{font-size:15px;line-height:1.75;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-500)}
.news-side{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-side .news-title{font-size:16px}
.news-side .news-body{padding:18px 18px 20px}
.news-side .news-excerpt{font-size:13.5px;-webkit-line-clamp:2}
.news-side .news-meta{margin-top:12px;padding-top:12px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em}
.chip--purple{background:rgba(98,64,232,.10);color:var(--brand-1)}
.chip--orange{background:rgba(255,107,74,.12);color:#D8481F}
.chip--mint{background:rgba(20,200,168,.14);color:#0B8E77}
.news-empty{padding:72px 24px;text-align:center;border:1px dashed var(--line-strong);border-radius:var(--r-lg);background:var(--surface)}
.news-empty i{font-size:30px;color:var(--brand-1);opacity:.6}
.news-empty p{margin:16px 0 22px;color:var(--ink-500)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease)}
.faq-item:hover{box-shadow:var(--shadow-1)}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;padding:22px 24px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink-900);position:relative}
.faq-q::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;background:var(--grad-brand);opacity:0;transition:opacity var(--ease)}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-q .icon{margin-left:auto;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:rgba(98,64,232,.08);color:var(--brand-1);font-size:12px;flex-shrink:0;transition:transform var(--ease)}
.faq-item.is-open .faq-q .icon{transform:rotate(45deg)}
.faq-a{max-width:820px;padding:0 24px 24px;font-size:15px;line-height:1.8;color:var(--ink-500);display:none}
.faq-item.is-open .faq-a{display:block}

/* ---------- CTA ---------- */
.cta{position:relative;background:var(--grad-dark);color:var(--on-dark);padding:88px 0;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:
  radial-gradient(600px 320px at 12% 18%,rgba(98,64,232,.55),transparent 62%),
  radial-gradient(520px 300px at 86% 78%,rgba(255,107,74,.38),transparent 62%),
  repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 56px),
  repeating-linear-gradient(0deg,rgba(255,255,255,.045) 0 1px,transparent 1px 56px)}
.cta .container{position:relative;z-index:2;text-align:center}
.cta h2{color:#fff;max-width:760px;margin:0 auto}
.cta p{max-width:640px;margin:16px auto 32px;color:var(--on-dark-2)}
.cta-form{display:flex;gap:12px;justify-content:center;max-width:560px;margin:0 auto}
.cta-form input{flex:1;height:48px;padding:0 18px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.10);color:#fff;font-size:15px;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease)}
.cta-form input::placeholder{color:rgba(247,245,255,.55)}
.cta-form input:focus{outline:none;border-color:transparent;background:rgba(255,255,255,.16);box-shadow:0 0 0 2px var(--brand-1),0 0 0 6px rgba(98,64,232,.25)}
.cta-form input.is-error{border-color:var(--error);box-shadow:0 0 0 2px rgba(229,72,77,.5)}
.form-note{margin-top:18px;font-size:13px;color:var(--on-dark-2)}
.form-msg{margin-top:14px;font-size:13.5px;font-weight:600;color:var(--brand-3);min-height:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--grad-dark);color:var(--on-dark-2);padding:72px 0 0;border-top:1px solid rgba(255,255,255,.10)}
.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:12px;margin-bottom:18px}
.footer-brand b{font-size:16px;font-weight:800;color:var(--on-dark)}
.footer-brand span{display:block;font-size:12px;color:var(--on-dark-2)}
.site-footer p{font-size:14px;line-height:1.8;color:var(--on-dark-2);max-width:320px}
.footer-title{position:relative;font-size:14px;font-weight:700;color:var(--on-dark);margin-bottom:20px;padding-bottom:12px}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:32px;height:2px;border-radius:2px;background:var(--grad-brand)}
.footer-links{display:grid;gap:12px}
.footer-links a{font-size:14px;color:var(--on-dark-2)}
.footer-links a:hover{color:var(--brand-3)}
.footer-contact{display:grid;gap:14px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--on-dark-2);align-items:flex-start}
.footer-contact i{color:var(--brand-3);margin-top:5px;font-size:13px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:22px 0;border-top:1px solid rgba(255,255,255,.10);font-size:13px;color:var(--on-dark-2)}
.footer-social{display:flex;gap:14px}
.footer-social a{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(255,255,255,.18);color:var(--on-dark-2)}
.footer-social a:hover{color:var(--brand-3);border-color:rgba(20,200,168,.5)}

/* ---------- 浮动 CTA ---------- */
.float-cta{position:fixed;right:24px;bottom:28px;z-index:110;display:inline-flex;align-items:center;gap:9px;padding:14px 24px;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-size:14.5px;font-weight:600;box-shadow:var(--shadow-brand);opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity 240ms ease-out,transform 240ms ease-out}
.float-cta.is-show{opacity:1;transform:none;pointer-events:auto}
.float-cta.is-hide{opacity:0;transform:translateY(12px);pointer-events:none}
.float-cta:hover{color:#fff;filter:brightness(1.06)}

/* 图片降级 */
.media-fallback{position:relative}
.media-fallback::after{content:"\f11b";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;inset:0;display:grid;place-items:center;color:rgba(255,255,255,.85);font-size:26px;background:var(--grad-brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:100%}
  .hero-grid{gap:36px}
  .stat-row{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .nav-links,.nav-tools .nav-cta,.nav-tools .nav-icon{display:none}
  .nav-toggle{display:grid}
  .section{padding:72px 0}
  .hero{padding:130px 0 72px}
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{order:-1;max-width:620px}
  .features-grid{grid-template-columns:1fr;gap:32px}
  .feature-aside{position:static}
  .feature-card:nth-child(even){margin-left:0}
  .demo-grid{grid-template-columns:1fr;gap:32px}
  .proof-grid{grid-template-columns:1fr}
  .price-grid{grid-template-columns:1fr}
  .price-card--featured{margin-top:0}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{padding-bottom:64px}
  .section{padding:56px 0}
  .hero{padding:118px 0 56px}
  h1{font-size:30px}
  .hero-float{left:0;bottom:-18px}
  .stat-row{grid-template-columns:1fr 1fr;gap:12px}
  .news-side{grid-template-columns:1fr}
  .thumb-row{overflow-x:auto;padding-bottom:6px}
  .thumb{min-width:120px}
  .footer-grid{grid-template-columns:1fr}
  .float-cta{left:0;right:0;bottom:0;border-radius:0;justify-content:center;padding:16px;transform:translateY(0)}
  .float-cta.is-show{transform:none}
  .float-cta.is-hide{opacity:0;transform:translateY(100%)}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .section-head{margin-bottom:32px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .news-body{padding:16px}
  .quote-card,.feature-card,.price-card{padding:24px 18px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .stat{padding:14px 12px}
  .stat b{font-size:20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --brand-1:#6240E8;
  --brand-2:#FF6B4A;
  --brand-3:#14C8A8;
  --grad-brand:linear-gradient(120deg,#6240E8 0%,#A64CE0 45%,#FF6B4A 100%);
  --grad-dark:linear-gradient(150deg,#160E33 0%,#2A1B5E 55%,#4527A0 100%);
  --ink-900:#14121F;
  --ink-700:#3A3654;
  --ink-500:#6E6A88;
  --bg:#F6F5FA;
  --surface:#FFFFFF;
  --line:#E8E5F5;
  --line-strong:#D8D3EE;
  --on-dark:#F7F5FF;
  --on-dark-2:rgba(247,245,255,.72);
  --warn:#F5A524;
  --error:#E5484D;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-1:0 6px 24px rgba(31,20,80,.06);
  --shadow-2:0 18px 48px rgba(31,20,80,.12);
  --shadow-brand:0 12px 32px rgba(98,64,232,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-1);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-2)}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:-.3px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand-1);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0;color:#fff}

/* ============ Header ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  background:rgba(20,14,45,.28);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:0 8px 28px rgba(10,6,30,.18);
  transition:background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-solid{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:78px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo:hover{color:inherit}
.logo-mark{
  width:42px;height:42px;border-radius:14px;
  background:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;
  box-shadow:0 8px 20px rgba(98,64,232,.32);
  flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text b{color:#fff;font-size:17px;font-weight:800;letter-spacing:-.2px;transition:color .22s var(--ease)}
.logo-text span{font-size:12px;color:var(--on-dark-2);transition:color .22s var(--ease)}
.site-header.is-solid .logo-text b{color:var(--ink-900)}
.site-header.is-solid .logo-text span{color:var(--ink-500)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  color:rgba(255,255,255,.86);
  border-radius:10px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad-brand);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:#fff}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.site-header.is-solid .nav-link{color:var(--ink-700)}
.site-header.is-solid .nav-link:hover{color:var(--brand-1)}
.site-header.is-solid .nav-link.is-active{color:var(--brand-1);font-weight:600}
.nav-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-icon{
  width:42px;height:42px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);
  transition:.2s var(--ease);
}
.nav-icon:hover{background:rgba(255,255,255,.2);color:#fff}
.site-header.is-solid .nav-icon{color:var(--ink-700);border-color:var(--line);background:#fff}
.site-header.is-solid .nav-icon:hover{color:var(--brand-1);border-color:var(--line-strong)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  color:#fff;font-size:18px;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);
}
.site-header.is-solid .nav-toggle{color:var(--ink-900);border-color:var(--line);background:#fff}

/* drawer */
.nav-drawer{
  position:fixed;inset:0;z-index:130;
  background:rgba(15,10,35,.55);
  opacity:0;visibility:hidden;transition:.24s var(--ease);
}
.nav-drawer.is-open{opacity:1;visibility:visible}
.nav-drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(86vw,360px);
  background:var(--grad-dark);
  border-left:1px solid rgba(255,255,255,.14);
  padding:26px 24px 32px;
  display:flex;flex-direction:column;gap:8px;
  transform:translateX(100%);
  transition:transform .26s var(--ease);
  overflow-y:auto;
}
.nav-drawer.is-open .nav-drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{width:40px;height:40px;border-radius:12px;color:#fff;font-size:18px;border:1px solid rgba(255,255,255,.24)}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:14px;
  color:rgba(255,255,255,.86);font-size:16px;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.05);
  transition:.2s var(--ease);
}
.drawer-link:hover{background:rgba(255,255,255,.14);color:#fff}
.drawer-link.is-active{background:rgba(98,64,232,.4);border-color:rgba(255,255,255,.28);color:#fff;font-weight:600}
.drawer-cta{margin-top:18px;width:100%;justify-content:center}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),filter .2s var(--ease);
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 22px rgba(98,64,232,.24)}
.btn-primary:hover{color:#fff;filter:brightness(1.06);box-shadow:var(--shadow-brand)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{border:1.5px solid var(--brand-1);color:var(--brand-1);background:transparent}
.btn-outline:hover{background:rgba(98,64,232,.08);color:var(--brand-1)}
.btn-outline:active{transform:scale(.98)}
.btn-ghost{border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.1);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--brand-1);border-color:#fff}
.btn-sm{padding:11px 22px;font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-1);
}
.link-arrow i{transition:transform .2s var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}

/* ============ Page hero ============ */
.page-hero{
  position:relative;
  padding:150px 0 96px;
  background:var(--grad-dark);
  color:var(--on-dark);
  overflow:hidden;
}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 82% 18%,rgba(255,107,74,.34),transparent 55%),radial-gradient(circle at 12% 78%,rgba(20,200,168,.26),transparent 52%);
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;margin-bottom:26px;color:var(--on-dark-2)}
.breadcrumb a{color:var(--on-dark-2)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .dot{width:6px;height:6px;border-radius:50%;background:var(--grad-brand);display:inline-block}
.breadcrumb .current{color:#fff;font-weight:600}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:13px;font-weight:600;letter-spacing:.02em;
  margin-bottom:20px;
}
.hero-chip i{color:var(--brand-3)}
.page-hero h1{
  color:#fff;
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.5px;
  margin-bottom:20px;
}
.hero-sub{font-size:17px;line-height:1.8;color:var(--on-dark-2);max-width:620px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-card{
  position:relative;border-radius:var(--radius-lg);
  overflow:hidden;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.22);
  box-shadow:0 26px 60px rgba(8,4,26,.42);
}
.hero-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-card::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius-lg);
  padding:1px;background:var(--grad-brand);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  pointer-events:none;opacity:.7;
}
.hero-card-badge{
  position:absolute;left:18px;bottom:18px;
  display:flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:999px;
  background:rgba(15,10,40,.72);
  border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(10px);
  font-size:12px;color:var(--on-dark-2);
}
.hero-card-badge b{font-size:18px;font-weight:800;color:var(--brand-3);font-variant-numeric:tabular-nums}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  margin-top:56px;padding-top:34px;
  border-top:1px solid rgba(255,255,255,.14);
}
.stat{
  padding:16px 18px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
}
.stat b{display:block;font-size:26px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2}
.stat b em{font-style:normal;font-size:14px;color:var(--brand-3);margin-left:4px;font-weight:700}
.stat span{display:block;font-size:13px;color:var(--on-dark-2);margin-top:6px;line-height:1.6}

/* ============ Sections ============ */
.section{padding:96px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:48px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-1);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand)}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--ink-500);line-height:1.8}

/* ============ Entry cards (alternating) ============ */
.entry-list{display:flex;flex-direction:column;gap:32px}
.entry-card{
  position:relative;
  display:grid;grid-template-columns:45% 1fr;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  min-height:320px;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.entry-card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--grad-brand);opacity:0;transition:opacity .22s var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.entry-card:hover::after{opacity:1}
.entry-card.reverse{grid-template-columns:1fr 45%}
.entry-card.reverse .entry-media{order:2}
.entry-card.reverse .entry-body{order:1}
.entry-media{position:relative;min-height:280px;background:var(--grad-brand);overflow:hidden}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.entry-card:hover .entry-media img{transform:scale(1.04)}
.entry-body{padding:40px 42px;display:flex;flex-direction:column;justify-content:center;gap:16px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  width:fit-content;
}
.chip-purple{background:rgba(98,64,232,.1);color:var(--brand-1)}
.chip-orange{background:rgba(255,107,74,.12);color:#D8451F}
.chip-mint{background:rgba(20,200,168,.14);color:#0B8F77}
.entry-body h3{font-size:22px;line-height:1.4}
.entry-body p{font-size:15px;color:var(--ink-500);line-height:1.8}
.entry-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--ink-500)}
.entry-meta span{display:inline-flex;align-items:center;gap:6px}
.entry-meta i{color:var(--brand-3)}

/* ============ Check cards ============ */
.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.check-card{
  position:relative;
  padding:30px 26px;border-radius:var(--radius-lg);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.check-card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  border-radius:var(--radius-lg) var(--radius-lg) 0 0;
  background:var(--grad-brand);opacity:0;transition:opacity .22s var(--ease);
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.check-card:hover::after{opacity:1}
.check-icon{
  width:48px;height:48px;border-radius:14px;
  background:rgba(98,64,232,.09);
  color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;margin-bottom:18px;
}
.check-card h3{font-size:18px;margin-bottom:10px}
.check-card p{font-size:14.5px;color:var(--ink-500);line-height:1.8}

/* ============ Flow ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.flow-step{
  position:relative;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px 26px 28px;
  box-shadow:var(--shadow-1);
}
.flow-num{
  font-size:32px;font-weight:800;line-height:1;
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.flow-step h3{font-size:17px;margin-bottom:10px}
.flow-step p{font-size:14.5px;color:var(--ink-500);line-height:1.8}
.flow-step::after{
  content:"";position:absolute;top:50%;right:-16px;width:8px;height:8px;border-radius:50%;
  background:var(--grad-brand);
}
.flow-step:last-child::after{display:none}

/* ============ Notice strip ============ */
.notice{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
  padding:34px;border-radius:var(--radius-lg);
  background:var(--grad-dark);
  border:1px solid rgba(255,255,255,.12);
  color:var(--on-dark);
}
.notice h3{color:#fff;font-size:20px;margin-bottom:12px}
.notice p{color:var(--on-dark-2);font-size:15px;line-height:1.8}
.notice-list{display:grid;gap:14px}
.notice-item{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--on-dark-2);line-height:1.75}
.notice-item i{color:var(--brand-3);margin-top:6px;flex-shrink:0}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.faq-item summary{
  position:relative;
  list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px 20px 30px;
  font-size:16.5px;font-weight:600;color:var(--ink-900);
  cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:14px;top:50%;transform:translateY(-50%) scaleY(.4);
  width:3px;height:26px;border-radius:3px;background:var(--grad-brand);
  opacity:0;transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.faq-item[open] summary::before{opacity:1;transform:translateY(-50%) scaleY(1)}
.faq-item summary i{
  color:var(--brand-1);font-size:14px;
  transition:transform .24s var(--ease);
  flex-shrink:0;
}
.faq-item[open] summary i{transform:rotate(135deg)}
.faq-body{padding:0 24px 22px 30px;max-width:820px}
.faq-body p{font-size:15px;line-height:1.8;color:var(--ink-700)}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  padding:96px 0;
  background:var(--grad-dark);
  color:var(--on-dark);
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 40%,#000,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000,transparent 78%);
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:800px;margin:0 auto}
.cta-inner h2{color:#fff;font-size:clamp(24px,3vw,36px);line-height:1.28;margin-bottom:16px}
.cta-inner p{color:var(--on-dark-2);font-size:16px;margin-bottom:32px}
.cta-form{display:flex;gap:12px;justify-content:center;align-items:center;flex-wrap:wrap}
.cta-form input{
  height:48px;min-width:300px;flex:1 1 300px;max-width:400px;
  padding:0 18px;border-radius:var(--radius-sm);
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.1);
  color:#fff;font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.cta-form input::placeholder{color:rgba(247,245,255,.6)}
.cta-form input:focus{
  outline:none;background:rgba(255,255,255,.16);
  border-color:transparent;
  box-shadow:0 0 0 2px rgba(98,64,232,.9),0 0 0 6px rgba(98,64,232,.22);
}
.cta-note{margin-top:18px;font-size:13px;color:rgba(247,245,255,.6)}

/* ============ Floating CTA ============ */
.floating-cta{
  position:fixed;right:24px;bottom:24px;z-index:110;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:999px;
  background:var(--grad-brand);color:#fff;
  font-size:15px;font-weight:600;
  box-shadow:var(--shadow-brand);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease),filter .2s var(--ease);
}
.floating-cta:hover{color:#fff;filter:brightness(1.06)}
.floating-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto}

/* ============ Footer ============ */
.site-footer{
  position:relative;
  background:var(--grad-dark);
  color:var(--on-dark-2);
  border-top:1px solid rgba(255,255,255,.1);
  padding:72px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand b{display:block;color:#fff;font-size:16px;font-weight:800;line-height:1.3}
.footer-brand span span{font-size:12px;color:var(--on-dark-2)}
.site-footer p{font-size:14.5px;line-height:1.85;color:var(--on-dark-2);max-width:340px}
.footer-title{
  position:relative;
  color:#fff;font-size:14px;font-weight:700;
  margin-bottom:20px;padding-bottom:12px;
}
.footer-title::after{
  content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;border-radius:2px;background:var(--grad-brand);
}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14.5px;color:var(--on-dark-2)}
.footer-links a:hover{color:var(--brand-3)}
.footer-contact{display:flex;flex-direction:column;gap:14px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;line-height:1.7}
.footer-contact i{color:var(--brand-3);margin-top:5px;flex-shrink:0}
.footer-social{display:flex;gap:12px}
.footer-social a{
  width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--on-dark-2);font-size:16px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);
  transition:.2s var(--ease);
}
.footer-social a:hover{color:var(--brand-3);border-color:rgba(20,200,168,.5);background:rgba(20,200,168,.12)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 28px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(247,245,255,.6);
}

/* ============ Responsive ============ */
@media (min-width:1440px){
  .container{max-width:1280px}
}
@media (max-width:1199px){
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-step::after{display:none}
}
@media (max-width:1024px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-card{max-width:560px}
  .entry-card,.entry-card.reverse{grid-template-columns:1fr;min-height:0}
  .entry-card.reverse .entry-media{order:0}
  .entry-card.reverse .entry-body{order:1}
  .entry-media{min-height:240px}
  .entry-body{padding:32px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .notice{grid-template-columns:1fr}
  .section{padding:72px 0}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .page-hero{padding:126px 0 64px}
  .section{padding:56px 0}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:12px;margin-top:40px}
  .check-grid,.flow{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .floating-cta{
    left:0;right:0;bottom:0;border-radius:0;
    justify-content:center;padding:15px 18px;
  }
  body{padding-bottom:62px}
  .cta-form input{max-width:none}
  .cta-form .btn{width:100%}
}
@media (max-width:520px){
  h1,.page-hero h1{font-size:30px}
  .entry-body{padding:26px 20px}
  .check-card{padding:24px 20px}
  .hero-actions .btn{width:100%}
  .hero-chip{font-size:12px}
  .stat b{font-size:22px}
  .faq-item summary{padding:18px 18px 18px 26px;font-size:15.5px}
  .faq-body{padding:0 18px 20px 26px}
  .hero-stats{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --brand-1:#6240E8;
  --brand-2:#FF6B4A;
  --brand-3:#14C8A8;
  --grad-brand:linear-gradient(120deg,#6240E8 0%,#A64CE0 45%,#FF6B4A 100%);
  --grad-dark:linear-gradient(150deg,#160E33 0%,#2A1B5E 55%,#4527A0 100%);
  --ink-900:#14121F;
  --ink-700:#3A3654;
  --ink-500:#6E6A88;
  --bg:#F6F5FA;
  --surface:#FFFFFF;
  --line:#E8E5F5;
  --line-strong:#D8D3EE;
  --on-dark:#F7F5FF;
  --on-dark-2:rgba(247,245,255,.72);
  --warn:#F5A524;
  --error:#E5484D;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow-1:0 6px 24px rgba(31,20,80,.06);
  --shadow-2:0 18px 48px rgba(31,20,80,.12);
  --shadow-brand:0 12px 32px rgba(98,64,232,.28);
  --ease:220ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-1);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease)}
a:hover{color:var(--brand-2)}
button{font:inherit;cursor:pointer;border:0;background:none}
input{font:inherit}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(20,14,45,.28);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.scrolled{box-shadow:var(--shadow-1)}
.site-header.is-solid{background:rgba(255,255,255,.94);border-bottom-color:var(--line)}
.site-header.is-solid.scrolled{box-shadow:var(--shadow-1)}
.nav{display:flex;align-items:center;gap:20px;height:76px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;font-size:18px;box-shadow:var(--shadow-brand);flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text b{font-size:17px;font-weight:800;letter-spacing:-.3px;color:var(--on-dark)}
.logo-text span{font-size:12px;letter-spacing:.02em;color:var(--on-dark-2)}
.site-header.is-solid .logo-text b{color:var(--ink-900)}
.site-header.is-solid .logo-text span{color:var(--ink-500)}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-link{
  position:relative;padding:10px 14px;border-radius:var(--r-pill);
  font-size:15px;color:rgba(255,255,255,.84);white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.10)}
.nav-link.is-active{color:#fff;font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:3px;background:var(--grad-brand);
}
.site-header.is-solid .nav-link{color:var(--ink-700)}
.site-header.is-solid .nav-link:hover{color:var(--brand-1);background:rgba(98,64,232,.08)}
.site-header.is-solid .nav-link.is-active{color:var(--ink-900)}
.nav-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-icon{
  width:40px;height:40px;border-radius:var(--r-pill);display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.24);color:var(--on-dark);font-size:15px;
}
.nav-icon:hover{background:rgba(255,255,255,.14);color:#fff}
.site-header.is-solid .nav-icon{border-color:var(--line-strong);color:var(--ink-700)}
.site-header.is-solid .nav-icon:hover{background:rgba(98,64,232,.08);color:var(--brand-1)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:14px;place-items:center;
  border:1px solid rgba(255,255,255,.24);color:var(--on-dark);font-size:16px;
}
.site-header.is-solid .nav-toggle{border-color:var(--line-strong);color:var(--ink-900)}
.drawer-cta{display:none}
.nav-overlay{
  position:fixed;inset:0;background:rgba(14,9,32,.52);opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);z-index:110;
}
.nav-overlay.open{opacity:1;visibility:visible}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),filter var(--ease);
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-brand)}
.btn-primary:hover{color:#fff;filter:brightness(1.06);box-shadow:0 16px 40px rgba(98,64,232,.36)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{border:1.5px solid var(--brand-1);color:var(--brand-1);background:transparent}
.btn-ghost:hover{background:rgba(98,64,232,.08);color:var(--brand-1)}
.btn-ghost:active{transform:scale(.98)}
.btn-soft{border:1.5px solid var(--line-strong);color:var(--ink-700);background:var(--surface)}
.btn-soft:hover{border-color:var(--brand-1);color:var(--brand-1)}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-1);font-weight:600;font-size:15px;padding:0}
.btn-link i{transition:transform var(--ease)}
.btn-link:hover i{transform:translateX(4px)}
.nav-cta{padding:12px 22px;font-size:14px}

/* ---------- breadcrumb / hero ---------- */
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-500);margin-bottom:22px}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand-1)}
.breadcrumb .dot{width:6px;height:6px;border-radius:var(--r-pill);background:var(--grad-brand);flex-shrink:0}
.breadcrumb .current{
  color:var(--ink-700);max-width:520px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-hero{
  padding:150px 0 44px;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(98,64,232,.08);color:var(--brand-1);font-size:12px;font-weight:600;letter-spacing:.02em;margin-bottom:18px;
}
.article-hero h1{
  margin:0;color:var(--ink-900);font-weight:800;letter-spacing:-.5px;
  font-size:clamp(28px,3.8vw,44px);line-height:1.2;max-width:940px;
}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;margin-top:24px;font-size:13px;color:var(--ink-500)}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-row i{color:var(--brand-1);font-size:13px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(98,64,232,.10);color:var(--brand-1);
}
.chip.chip-orange{background:rgba(255,107,74,.12);color:#E4472A}
.chip.chip-mint{background:rgba(20,200,168,.14);color:#0E8F79}

/* ---------- article layout ---------- */
.article-section{padding:56px 0 96px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.article-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px;box-shadow:var(--shadow-1);min-width:0;position:relative;overflow:hidden;
}
.article-main::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);opacity:.9}
.article-content{font-size:16px;line-height:1.9;color:var(--ink-700);max-width:820px;overflow-wrap:break-word}
.article-content>:first-child{margin-top:0}
.article-content p{margin:0 0 1.25em}
.article-content h2{
  position:relative;margin:48px 0 20px;padding-left:16px;font-size:clamp(20px,2.3vw,26px);
  line-height:1.35;font-weight:700;color:var(--ink-900);
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--grad-brand);
}
.article-content h3{margin:32px 0 14px;font-size:19px;font-weight:700;color:var(--ink-900);line-height:1.45}
.article-content h4{margin:26px 0 12px;font-size:17px;font-weight:700;color:var(--ink-900)}
.article-content a{color:var(--brand-1);text-decoration:underline;text-decoration-thickness:.5px;text-underline-offset:3px}
.article-content a:hover{color:var(--brand-2)}
.article-content strong{color:var(--ink-900)}
.article-content blockquote{
  position:relative;margin:28px 0;padding:20px 22px 20px 26px;border-radius:0 var(--r-sm) var(--r-sm) 0;
  background:rgba(98,64,232,.06);color:var(--ink-700);
}
.article-content blockquote::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;border-radius:4px;background:var(--grad-brand)}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:16px;box-shadow:var(--shadow-1);margin:28px auto}
.article-content figure{margin:28px 0}
.article-content figcaption{margin-top:10px;font-size:13px;color:var(--ink-500);text-align:center}
.article-content ul{margin:0 0 1.25em;padding-left:1.5em;list-style:none}
.article-content ul>li{position:relative;margin:.5em 0}
.article-content ul>li::before{
  content:"";position:absolute;left:-1.2em;top:.72em;width:8px;height:8px;border-radius:var(--r-pill);background:var(--grad-brand);
}
.article-content ol{margin:0 0 1.25em;padding-left:1.7em}
.article-content ol>li{margin:.5em 0;color:var(--ink-700)}
.article-content ol>li::marker{color:var(--brand-1);font-weight:700}
.article-content table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;margin:24px 0}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-content th{background:rgba(98,64,232,.06);color:var(--ink-900);font-weight:700}
.article-content pre{overflow-x:auto;padding:18px;border-radius:var(--r-sm);background:#1A1330;color:#EDE9FF;font-size:14px;line-height:1.7}
.article-content hr{border:0;height:1px;background:var(--line);margin:36px 0}

.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}
.article-tags .tag{
  padding:7px 15px;border-radius:var(--r-pill);font-size:13px;font-weight:600;
  background:rgba(98,64,232,.08);color:var(--brand-1);
}
.article-tags .tag:nth-child(3n+2){background:rgba(255,107,74,.12);color:#E4472A}
.article-tags .tag:nth-child(3n+3){background:rgba(20,200,168,.14);color:#0E8F79}
.article-tags .tag:hover{filter:brightness(.96)}
.article-foot{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.article-foot .btn{padding:12px 22px;font-size:14px}

.empty-state{
  text-align:center;padding:56px 20px;border-radius:var(--r-lg);
  background:rgba(98,64,232,.05);border:1px dashed var(--line-strong);
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;font-size:24px;box-shadow:var(--shadow-brand);
}
.empty-state h2{margin:0 0 10px;font-size:22px;color:var(--ink-900)}
.empty-state p{margin:0 auto 24px;max-width:520px;font-size:15px;color:var(--ink-500)}
.empty-state .btn{margin:0 6px 10px}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow-1);
}
.side-title{
  display:flex;align-items:center;gap:9px;margin:0 0 16px;padding-bottom:12px;
  border-bottom:1px solid var(--line);font-size:15px;font-weight:700;color:var(--ink-900);
}
.side-title::before{content:"";width:18px;height:3px;border-radius:3px;background:var(--grad-brand)}
.toc-list li a{
  display:block;padding:8px 12px;border-left:2px solid transparent;border-radius:0 10px 10px 0;
  font-size:14px;line-height:1.6;color:var(--ink-500);
}
.toc-list li a:hover{background:rgba(98,64,232,.06);color:var(--brand-1)}
.toc-list li a.active{border-left-color:var(--brand-1);background:rgba(98,64,232,.08);color:var(--brand-1);font-weight:600}
.side-links li+li{margin-top:6px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;
  border-radius:12px;font-size:14px;color:var(--ink-700);background:rgba(98,64,232,.04);
}
.side-links a i{color:var(--brand-1);font-size:12px;transition:transform var(--ease)}
.side-links a:hover{background:rgba(98,64,232,.10);color:var(--brand-1)}
.side-links a:hover i{transform:translateX(3px)}
.badge-mini{
  display:flex;align-items:center;gap:12px;padding:14px;border-radius:var(--r-sm);
  background:linear-gradient(135deg,rgba(98,64,232,.10),rgba(20,200,168,.12));
}
.badge-mini .num{font-size:24px;font-weight:800;color:var(--brand-1);font-variant-numeric:tabular-nums;line-height:1}
.badge-mini .txt{font-size:13px;color:var(--ink-500);line-height:1.5}

/* ---------- related ---------- */
.related-section{padding:0 0 96px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head h2{margin:0;font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;color:var(--ink-900);letter-spacing:-.4px}
.section-head p{margin:8px 0 0;font-size:15px;color:var(--ink-500)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  position:relative;display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);height:100%;
}
.post-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-brand);
  opacity:0;transition:opacity var(--ease);z-index:3;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.post-card:hover::before{opacity:1}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--grad-brand)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 260ms ease-out}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-body h3{
  margin:0;font-size:18px;line-height:1.45;font-weight:700;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  margin:0;font-size:15px;line-height:1.7;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:13px;color:var(--ink-500)}
.post-meta span{display:inline-flex;align-items:center;gap:6px}
.post-meta i{color:var(--brand-1);font-size:12px}

/* ---------- cta ---------- */
.cta-section{padding:0 0 104px}
.cta-box{
  position:relative;overflow:hidden;border-radius:28px;padding:72px 40px;text-align:center;
  background:var(--grad-dark);color:var(--on-dark);
}
.cta-box::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:48px 48px;opacity:.5;pointer-events:none;
}
.cta-box h2{position:relative;margin:0 0 14px;font-size:clamp(24px,3vw,34px);font-weight:700;color:var(--on-dark);letter-spacing:-.4px}
.cta-box p{position:relative;margin:0 auto 30px;max-width:640px;font-size:15px;line-height:1.75;color:var(--on-dark-2)}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.btn-dark-ghost{border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.08);color:var(--on-dark)}
.btn-dark-ghost:hover{background:#fff;color:var(--brand-1)}
.cta-note{position:relative;margin-top:22px;font-size:13px;color:var(--on-dark-2)}

/* ---------- float cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;
  box-shadow:var(--shadow-brand);opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease),filter var(--ease);
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{color:#fff;filter:brightness(1.06)}
.float-cta i{font-size:15px}

/* ---------- footer ---------- */
.site-footer{
  position:relative;background:var(--grad-dark);color:var(--on-dark);
  border-top:1px solid rgba(255,255,255,.10);padding:72px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand b{display:block;font-size:16px;font-weight:800;color:var(--on-dark)}
.footer-brand span span{display:block;font-size:12px;color:var(--on-dark-2);margin-top:2px}
.site-footer p{margin:0;font-size:14px;line-height:1.8;color:var(--on-dark-2);max-width:360px}
.footer-title{
  position:relative;margin-bottom:18px;padding-bottom:12px;font-size:14px;font-weight:700;color:var(--on-dark);
}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;border-radius:2px;background:var(--grad-brand)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--on-dark-2)}
.footer-links a:hover{color:var(--brand-3)}
.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--on-dark-2);line-height:1.6}
.footer-contact i{color:var(--brand-3);margin-top:5px;font-size:13px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.18);color:var(--on-dark-2);font-size:14px;
}
.footer-social a:hover{color:var(--brand-3);border-color:rgba(20,200,168,.6)}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--on-dark-2);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:32px}
  .article-main{padding:36px}
}
@media (max-width:1024px){
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(320px,86vw);margin:0;
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:6px;
    padding:96px 24px 32px;z-index:120;
    background:linear-gradient(160deg,rgba(22,14,51,.98) 0%,rgba(69,39,160,.98) 100%);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-left:1px solid rgba(255,255,255,.14);
    transform:translateX(100%);transition:transform 260ms ease-out;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-link{color:var(--on-dark);font-size:17px;padding:14px 16px}
  .nav-link.is-active{background:rgba(255,255,255,.10)}
  .nav-link.is-active::after{left:0;right:auto;top:16px;bottom:16px;width:3px;height:auto;border-radius:3px}
  .drawer-cta{display:inline-flex;margin-top:20px}
  .nav-toggle{display:grid}
  .nav-cta{display:none}
  .article-layout{grid-template-columns:1fr}
  .article-side{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-box{padding:56px 28px}
}
@media (max-width:768px){
  body{padding-bottom:68px}
  .article-hero{padding:122px 0 32px}
  .article-main{padding:26px 20px;border-radius:var(--r-md)}
  .article-section{padding:40px 0 64px}
  .related-section{padding:0 0 64px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .card-grid{grid-template-columns:1fr}
  .cta-section{padding:0 0 72px}
  .cta-box{border-radius:22px;padding:48px 22px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-top:56px}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;justify-content:center;padding:16px 20px;transform:translateY(100%);
  }
  .float-cta.show{transform:translateY(0)}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .logo-text span{display:none}
  .article-hero h1{font-size:28px}
  .article-main{padding:22px 16px}
  .article-foot .btn{width:100%}
  .empty-state{padding:40px 16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .post-card:hover{transform:none}
  .float-cta{transform:none}
}

/* roulang page: category3 */
:root{
  --brand-1:#6240E8;
  --brand-2:#FF6B4A;
  --brand-3:#14C8A8;
  --grad-brand:linear-gradient(120deg,#6240E8 0%,#A64CE0 45%,#FF6B4A 100%);
  --grad-dark:linear-gradient(150deg,#160E33 0%,#2A1B5E 55%,#4527A0 100%);
  --ink-900:#14121F;
  --ink-700:#3A3654;
  --ink-500:#6E6A88;
  --bg:#F6F5FA;
  --surface:#FFFFFF;
  --line:#E8E5F5;
  --line-strong:#D8D3EE;
  --on-dark:#F7F5FF;
  --on-dark-2:rgba(247,245,255,.72);
  --warn:#F5A524;
  --error:#E5484D;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow-1:0 6px 24px rgba(31,20,80,.06);
  --shadow-2:0 18px 48px rgba(31,20,80,.12);
  --shadow-brand:0 12px 32px rgba(98,64,232,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-2)}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700}
p{margin:0 0 16px}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);border:1.5px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;line-height:1;
  transition:transform .2s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 22px rgba(98,64,232,.22)}
.btn-primary:hover{color:#fff;filter:brightness(1.06);box-shadow:var(--shadow-brand);transform:translateY(-2px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;border-color:var(--brand-1);color:var(--brand-1)}
.btn-ghost:hover{background:rgba(98,64,232,.08);color:var(--brand-1)}
.btn-dark-ghost{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.32);color:#fff}
.btn-dark-ghost:hover{background:#fff;color:var(--brand-1)}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--brand-1);padding:4px 0}
.btn-text i{transition:transform .22s ease}
.btn-text:hover i{transform:translateX(4px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}

/* ===== 导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(20,14,45,.28);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:0 8px 26px rgba(12,7,36,.22);
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.logo{display:flex;align-items:center;gap:12px;color:#fff}
.site-header.is-scrolled .logo{color:var(--ink-900)}
.logo:hover{color:#fff}
.site-header.is-scrolled .logo:hover{color:var(--ink-900)}
.logo-mark{
  width:42px;height:42px;border-radius:14px;flex:0 0 42px;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;font-size:18px;
  box-shadow:0 8px 20px rgba(98,64,232,.34);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text b{font-size:16px;font-weight:800;letter-spacing:.2px}
.logo-text span{font-size:11px;opacity:.72;letter-spacing:.4px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;padding:8px 12px;font-size:14.5px;font-weight:500;
  color:rgba(247,245,255,.86);border-radius:10px;
}
.site-header.is-scrolled .nav-link{color:var(--ink-700)}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad-brand);transform:scaleX(0);
  transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:#fff}
.site-header.is-scrolled .nav-link:hover{color:var(--ink-900)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff;font-weight:700}
.site-header.is-scrolled .nav-link.is-active{color:var(--brand-1)}
.nav-tools{display:flex;align-items:center;gap:14px}
.nav-icon{
  width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:rgba(247,245,255,.9);background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-icon:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-1px)}
.site-header.is-scrolled .nav-icon{color:var(--ink-700);background:rgba(98,64,232,.08);border-color:var(--line)}
.site-header.is-scrolled .nav-icon:hover{color:var(--brand-1);background:rgba(98,64,232,.14)}
.nav-cta{padding:12px 22px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;cursor:pointer;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:17px;
}
.site-header.is-scrolled .nav-toggle{color:var(--ink-900);background:rgba(98,64,232,.08);border-color:var(--line)}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,7,36,.55);opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;z-index:130;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:140;
  background:rgba(24,16,56,.96);
  backdrop-filter:blur(20px) saturate(140%);
  -webkit-backdrop-filter:blur(20px) saturate(140%);
  border-left:1px solid rgba(255,255,255,.14);
  padding:28px 24px;display:flex;flex-direction:column;gap:8px;
  transform:translateX(100%);transition:transform .26s ease;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.1);color:#fff;cursor:pointer;font-size:16px;
}
.drawer .drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;color:rgba(247,245,255,.86);font-size:16px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer .drawer-link:hover,.drawer .drawer-link.is-active{color:#fff}
.drawer .drawer-link.is-active{font-weight:700}
.drawer-cta{margin-top:auto}

/* ===== Hero ===== */
.page-hero{
  position:relative;overflow:hidden;padding:150px 0 96px;
  background:var(--grad-dark);color:var(--on-dark);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.34;mix-blend-mode:screen;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(700px 380px at 12% 8%,rgba(98,64,232,.5),transparent 62%),
             radial-gradient(620px 340px at 88% 92%,rgba(255,107,74,.32),transparent 64%);
}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--on-dark-2);margin-bottom:22px;flex-wrap:wrap}
.crumbs a{color:var(--on-dark-2)}
.crumbs a:hover{color:#fff}
.crumbs .dot{width:6px;height:6px;border-radius:50%;background:var(--grad-brand)}
.crumbs .now{color:#fff;font-weight:600}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  font-size:13px;font-weight:600;letter-spacing:.02em;color:#fff;margin-bottom:22px;
}
.hero-tag i{color:var(--brand-3)}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:800;letter-spacing:-.5px;
  color:#fff;max-width:840px;margin-bottom:20px;
}
.page-hero .lede{font-size:17px;line-height:1.75;color:var(--on-dark-2);max-width:720px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-badges{display:flex;flex-wrap:wrap;gap:16px}
.badge-card{
  flex:1 1 180px;min-width:160px;padding:18px 20px;border-radius:var(--r-md);
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);
}
.badge-card .num{
  font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#14C8A8,#7CF0DA);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.badge-card .num small{font-size:13px;font-weight:700;-webkit-text-fill-color:var(--brand-3)}
.badge-card .cap{font-size:13px;color:var(--on-dark-2);line-height:1.6;margin-top:2px}

/* ===== 通用区块 ===== */
.section{padding:96px 0}
.section.alt{background:var(--surface)}
.section-head{max-width:820px;margin-bottom:48px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-1);text-transform:uppercase;margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:26px;height:3px;border-radius:3px;background:var(--grad-brand)}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--ink-500);margin:0}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:48px}
.head-row .section-head{margin-bottom:0}

/* ===== 时间线（编号节奏流） ===== */
.timeline{position:relative;padding-left:76px}
.timeline::before{
  content:"";position:absolute;left:25px;top:10px;bottom:10px;width:4px;border-radius:4px;
  background:var(--grad-brand);opacity:.85;
}
.tl-item{position:relative;margin-bottom:34px}
.tl-item:last-child{margin-bottom:0}
.tl-node{
  position:absolute;left:-76px;top:22px;width:54px;height:54px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface);border:2px solid var(--line-strong);
  font-weight:800;font-size:17px;font-variant-numeric:tabular-nums;color:var(--brand-1);
  box-shadow:var(--shadow-1);
}
.tl-item:nth-child(2n) .tl-node{color:var(--brand-2)}
.tl-item:nth-child(3n) .tl-node{color:var(--brand-3)}
.tl-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease;
}
.tl-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;border-radius:var(--r-lg) var(--r-lg) 0 0;
  background:var(--grad-brand);opacity:0;transition:opacity .22s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.tl-card:hover::before{opacity:1}
.tl-card h3{font-size:21px;line-height:1.4;margin-bottom:10px}
.tl-card p{font-size:15px;line-height:1.8;color:var(--ink-700);margin:0 0 14px}
.tl-card p:last-child{margin-bottom:0}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;margin-bottom:12px;
}
.chip-purple{background:rgba(98,64,232,.10);color:var(--brand-1)}
.chip-orange{background:rgba(255,107,74,.12);color:#D9421F}
.chip-mint{background:rgba(20,200,168,.14);color:#0B8F79}
.tl-media{border-radius:var(--r-md);overflow:hidden;margin-top:16px;box-shadow:var(--shadow-1)}
.tl-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.tl-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--ink-500)}
.tl-meta span{display:inline-flex;align-items:center;gap:6px}
.tl-meta i{color:var(--brand-1);font-size:12px}

/* ===== 礼包类型速览 ===== */
.type-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.type-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease;
}
.type-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.type-card .ic{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(98,64,232,.09);color:var(--brand-1);font-size:18px;margin-bottom:16px;
}
.type-card:nth-child(2) .ic{background:rgba(255,107,74,.12);color:var(--brand-2)}
.type-card:nth-child(3) .ic{background:rgba(20,200,168,.14);color:var(--brand-3)}
.type-card:nth-child(4) .ic{background:rgba(245,165,36,.14);color:#B77A0C}
.type-card h3{font-size:17px;margin-bottom:8px;line-height:1.45}
.type-card p{font-size:14px;line-height:1.75;color:var(--ink-500);margin:0}

/* ===== 自查清单 ===== */
.check-wrap{
  background:var(--grad-dark);border-radius:var(--r-lg);padding:48px;color:var(--on-dark);
  position:relative;overflow:hidden;
}
.check-wrap::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,74,.36),transparent 68%);
}
.check-wrap h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin-bottom:12px;position:relative;z-index:2}
.check-wrap .sub{color:var(--on-dark-2);font-size:15px;margin-bottom:32px;position:relative;z-index:2}
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;position:relative;z-index:2}
.check-item{
  display:flex;gap:14px;padding:18px 20px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
}
.check-item i{color:var(--brand-3);font-size:17px;margin-top:4px}
.check-item b{display:block;color:#fff;font-size:15px;margin-bottom:4px}
.check-item span{font-size:13.5px;color:var(--on-dark-2);line-height:1.7}

/* ===== FAQ ===== */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-1);position:relative;
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink-900);position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;
  background:var(--grad-brand);opacity:0;transition:opacity .22s ease;
}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-q .plus{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(98,64,232,.09);color:var(--brand-1);font-size:13px;
  transition:transform .24s ease,background .24s ease,color .24s ease;
}
.faq-item.is-open .faq-q .plus{transform:rotate(90deg);background:var(--grad-brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-700);max-width:820px}
.faq-item.is-open .faq-a{max-height:420px}

/* ===== CTA ===== */
.cta-band{
  position:relative;background:var(--grad-dark);color:var(--on-dark);padding:96px 0;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.22;mix-blend-mode:screen;
}
.cta-inner{position:relative;z-index:2;max-width:760px;margin:0 auto;text-align:center}
.cta-inner h2{color:#fff;font-size:clamp(24px,3vw,36px);margin-bottom:14px}
.cta-inner p{color:var(--on-dark-2);font-size:16px;margin-bottom:32px}
.cta-form{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta-form input{
  height:48px;flex:1 1 260px;max-width:340px;padding:0 18px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.10);color:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.cta-form input::placeholder{color:rgba(247,245,255,.52)}
.cta-form input:focus{
  border-color:transparent;background:rgba(255,255,255,.16);
  box-shadow:0 0 0 2px var(--brand-1),0 0 0 6px rgba(98,64,232,.22);
}
.cta-note{font-size:13px;color:var(--on-dark-2);margin-top:20px}

/* ===== 资讯入口 ===== */
.news-entry{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease;display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.news-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--grad-brand)}
.news-card .thumb img{width:100%;height:100%;object-fit:cover}
.news-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card h3{font-size:16.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:14px;line-height:1.75;color:var(--ink-500);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-500)}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--grad-dark);color:var(--on-dark);padding:72px 0 0;
  border-top:1px solid rgba(255,255,255,.10);position:relative;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;color:#fff}
.footer-brand b{display:block;font-size:16px;font-weight:800}
.footer-brand span span{font-size:12px;color:var(--on-dark-2)}
.site-footer p{font-size:14px;line-height:1.8;color:var(--on-dark-2);margin:0}
.footer-title{
  font-size:14px;font-weight:700;color:#fff;margin-bottom:20px;position:relative;padding-bottom:12px;
}
.footer-title::after{
  content:"";position:absolute;left:0;bottom:0;width:30px;height:3px;border-radius:3px;background:var(--grad-brand);
}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:var(--on-dark-2)}
.footer-links a:hover{color:var(--brand-3)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--on-dark-2);margin-bottom:12px;line-height:1.7}
.footer-contact i{color:var(--brand-3);margin-top:5px;font-size:13px}
.footer-social{display:flex;gap:12px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:var(--on-dark-2);
  transition:color .2s ease,background .2s ease,transform .2s ease;
}
.footer-social a:hover{color:var(--brand-3);background:rgba(20,200,168,.14);transform:translateY(-2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:22px 0;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:var(--on-dark-2);
}

/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:110;
  display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;
  box-shadow:var(--shadow-brand);opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
}
.float-cta:hover{color:#fff;filter:brightness(1.06)}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-bar{display:none}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .type-grid{grid-template-columns:repeat(2,1fr)}
  .news-entry{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:1024px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex;align-items:center;justify-content:center}
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .check-list{grid-template-columns:1fr}
  .check-wrap{padding:36px 28px}
}
@media (max-width:768px){
  .page-hero{padding:128px 0 64px}
  .hero-badges{gap:12px}
  .badge-card{flex:1 1 100%}
  .timeline{padding-left:52px}
  .timeline::before{left:16px}
  .tl-node{left:-52px;width:40px;height:40px;border-radius:13px;font-size:14px;top:20px}
  .tl-card{padding:22px}
  .type-grid,.news-entry{grid-template-columns:1fr}
  .section{padding:56px 0}
  .float-cta{display:none}
  .mobile-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:110;
    background:rgba(22,14,51,.96);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    border-top:1px solid rgba(255,255,255,.14);padding:12px 16px;gap:12px;
  }
  .mobile-bar .btn{flex:1}
  body{padding-bottom:76px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:64px 0}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .page-hero h1{font-size:30px}
  .tl-card{padding:18px}
  .hero-actions .btn{width:100%}
  .cta-form input{max-width:none;flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --brand-1:#6240E8;
  --brand-2:#FF6B4A;
  --brand-3:#14C8A8;
  --grad-brand:linear-gradient(120deg,#6240E8 0%,#A64CE0 45%,#FF6B4A 100%);
  --grad-dark:linear-gradient(150deg,#160E33 0%,#2A1B5E 55%,#4527A0 100%);
  --ink-900:#14121F;
  --ink-700:#3A3654;
  --ink-500:#6E6A88;
  --bg:#F6F5FA;
  --surface:#FFFFFF;
  --line:#E8E5F5;
  --line-strong:#D8D3EE;
  --on-dark:#F7F5FF;
  --on-dark-2:rgba(247,245,255,.72);
  --warn:#F5A524;
  --error:#E5484D;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow-1:0 6px 24px rgba(31,20,80,.06);
  --shadow-2:0 18px 48px rgba(31,20,80,.12);
  --shadow-brand:0 12px 32px rgba(98,64,232,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
:focus-visible{outline:3px solid rgba(98,64,232,.45);outline-offset:2px;border-radius:8px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
@media(min-width:1440px){.container{max-width:1280px}}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(20,14,45,.28);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:0 8px 28px rgba(10,6,30,.18);
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-1);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--grad-brand);
  display:grid;place-items:center;
  color:#fff;font-size:17px;
  box-shadow:0 8px 20px rgba(98,64,232,.32);
  flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text b{font-size:16px;font-weight:800;color:var(--on-dark);letter-spacing:.2px;transition:color .2s ease}
.logo-text span{font-size:12px;color:var(--on-dark-2);transition:color .2s ease}
.site-header.is-scrolled .logo-text b{color:var(--ink-900)}
.site-header.is-scrolled .logo-text span{color:var(--ink-500)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  font-weight:500;
  color:rgba(247,245,255,.86);
  border-radius:var(--r-pill);
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--grad-brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.10)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff;font-weight:700}
.site-header.is-scrolled .nav-link{color:var(--ink-700)}
.site-header.is-scrolled .nav-link:hover{color:var(--brand-1);background:rgba(98,64,232,.08)}
.site-header.is-scrolled .nav-link.is-active{color:var(--brand-1)}
.nav-tools{display:flex;align-items:center;gap:12px}
.nav-icon{
  width:38px;height:38px;border-radius:var(--r-pill);
  display:grid;place-items:center;
  color:var(--on-dark);font-size:15px;
  border:1px solid rgba(255,255,255,.22);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.nav-icon:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.4)}
.site-header.is-scrolled .nav-icon{color:var(--ink-700);border-color:var(--line-strong)}
.site-header.is-scrolled .nav-icon:hover{background:rgba(98,64,232,.08);color:var(--brand-1)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  color:var(--on-dark);font-size:18px;
  border:1px solid rgba(255,255,255,.22);
  place-items:center;
}
.site-header.is-scrolled .nav-toggle{color:var(--ink-900);border-color:var(--line-strong)}
.drawer-cta{display:none}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease,filter .22s ease;
  white-space:nowrap;
}
.btn i{font-size:13px}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 22px rgba(98,64,232,.22)}
.btn-primary:hover{filter:brightness(1.06);box-shadow:var(--shadow-brand);transform:translateY(-2px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{
  background:rgba(255,255,255,.10);color:var(--on-dark);
  border:1px solid rgba(255,255,255,.32);
}
.btn-ghost:hover{background:#fff;color:var(--brand-1);border-color:#fff}
.btn-outline{
  background:transparent;color:var(--brand-1);
  border:1.5px solid var(--brand-1);
}
.btn-outline:hover{background:rgba(98,64,232,.08)}
.btn-outline i{transition:transform .2s ease}
.btn-outline:hover i{transform:translateX(4px)}
.btn-sm{padding:11px 22px;font-size:14px}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:var(--grad-dark);
  color:var(--on-dark);
  padding:150px 0 80px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:.30;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(22,14,51,.86) 0%,rgba(42,27,94,.76) 55%,rgba(69,39,160,.70) 100%);
}
.hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--on-dark-2);margin-bottom:26px;
}
.breadcrumb a{color:var(--on-dark-2);transition:color .2s ease}
.breadcrumb a:hover{color:#fff}
.breadcrumb .dot{width:6px;height:6px;border-radius:50%;background:var(--grad-brand);display:inline-block}
.breadcrumb .current{color:#fff;font-weight:600}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.20);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  color:var(--on-dark);
}
.hero-tag i{color:var(--brand-3)}
.hero h1{
  margin:22px 0 18px;
  color:var(--on-dark);
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.5px;
  max-width:900px;
}
.hero-sub{
  font-size:clamp(16px,1.4vw,18px);
  line-height:1.75;
  color:var(--on-dark-2);
  max-width:720px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;gap:16px;margin-top:48px;flex-wrap:wrap}
.stat-badge{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);
  padding:14px 20px;
  min-width:152px;
  transition:background .2s ease,transform .2s ease;
}
.stat-badge:hover{background:rgba(255,255,255,.16);transform:translateY(-3px)}
.stat-num{
  font-size:21px;font-weight:800;line-height:1.2;
  color:var(--brand-3);
  font-variant-numeric:tabular-nums;
  display:flex;align-items:baseline;gap:4px;
}
.stat-num .unit{font-size:11px;font-weight:600;color:var(--on-dark-2);letter-spacing:.04em}
.stat-label{font-size:12px;color:var(--on-dark-2);margin-top:4px;line-height:1.6}

/* ---------- Section ---------- */
.section{padding:96px 0}
.section-soft{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-1);
  margin-bottom:14px;
}
.eyebrow i{color:var(--brand-2)}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700}
.section-head p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-500)}

/* ---------- Layout 3/9 ---------- */
.layout{display:grid;grid-template-columns:1fr;gap:32px;align-items:start}
@media(min-width:1024px){.layout{grid-template-columns:minmax(250px,3fr) 9fr;gap:40px}}
.side{display:flex;flex-direction:column;gap:24px}
@media(min-width:1024px){.side{position:sticky;top:104px}}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--shadow-1);
}
.side-title{
  font-size:13px;font-weight:700;letter-spacing:.05em;
  color:var(--ink-900);margin-bottom:16px;
  display:flex;align-items:center;gap:10px;
}
.side-title::after{content:"";flex:1;height:2px;border-radius:2px;background:var(--grad-brand);opacity:.5}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-nav a{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px 12px 18px;
  border-radius:var(--r-sm);
  font-size:14px;
  color:var(--ink-700);
  transition:background .18s ease,color .18s ease;
}
.side-nav a i{font-size:12px;color:var(--ink-500);transition:transform .18s ease,color .18s ease}
.side-nav a:hover{background:rgba(98,64,232,.06);color:var(--brand-1)}
.side-nav a:hover i{transform:translateX(3px);color:var(--brand-1)}
.side-nav a.is-current{background:rgba(98,64,232,.08);color:var(--brand-1);font-weight:700}
.side-nav a.is-current i{color:var(--brand-1)}
.side-nav a.is-current::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:3px;background:var(--grad-brand);
}
.side-badge{
  background:var(--grad-dark);
  border:1px solid rgba(255,255,255,.12);
  color:var(--on-dark);
  padding:26px 24px;
}
.side-badge .badge-num{
  font-size:34px;font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#14C8A8 0%,#7CE7D2 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.side-badge .badge-label{font-size:14px;font-weight:700;margin-top:6px;color:var(--on-dark)}
.side-badge .badge-desc{font-size:13px;line-height:1.75;color:var(--on-dark-2);margin-top:10px}

/* ---------- News list (category2 主版式) ---------- */
.news-list{counter-reset:newsrow;border-top:1px solid var(--line)}
.news-row{
  counter-increment:newsrow;
  display:grid;
  grid-template-columns:56px minmax(0,1fr) 104px 20px;
  align-items:center;
  gap:20px;
  padding:22px 16px;
  border-bottom:1px solid var(--line);
  border-radius:var(--r-sm);
  transition:background .2s ease;
}
.news-row::before{
  content:counter(newsrow,decimal-leading-zero);
  font-size:17px;font-weight:800;
  font-variant-numeric:tabular-nums;
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:.02em;
}
.news-row:hover{background:rgba(98,64,232,.06)}
.news-row:hover .row-arrow{transform:translateX(5px);color:var(--brand-1)}
.row-title{
  font-size:17px;font-weight:700;line-height:1.5;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-row:hover .row-title{color:var(--brand-1)}
.row-desc{
  font-size:13px;line-height:1.7;color:var(--ink-500);margin-top:6px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.row-time{
  font-size:13px;color:var(--ink-500);text-align:right;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.row-arrow{font-size:13px;color:var(--line-strong);transition:transform .2s ease,color .2s ease;text-align:right}
.list-foot{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap}
.list-note{font-size:13px;color:var(--ink-500);margin-top:14px}

/* ---------- Coverage ---------- */
.coverage-list{display:flex;flex-direction:column;gap:16px}
.coverage-item{
  display:flex;align-items:flex-start;gap:20px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 28px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  position:relative;overflow:hidden;
}
.coverage-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad-brand);border-radius:0 4px 4px 0;
  transform:scaleY(.35);transform-origin:center;transition:transform .22s ease;
}
.coverage-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);background:var(--surface)}
.coverage-item:hover::before{transform:scaleY(1)}
.coverage-icon{
  width:48px;height:48px;border-radius:14px;flex-shrink:0;
  display:grid;place-items:center;font-size:18px;color:#fff;
  background:var(--grad-brand);
}
.coverage-item:nth-child(2) .coverage-icon{background:linear-gradient(120deg,#FF6B4A 0%,#FF9A6B 100%)}
.coverage-item:nth-child(3) .coverage-icon{background:linear-gradient(120deg,#14C8A8 0%,#5FE0C6 100%)}
.coverage-item h3{font-size:19px;font-weight:700}
.coverage-item p{margin-top:8px;font-size:15px;line-height:1.8;color:var(--ink-500)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;
  font-size:16px;font-weight:700;color:var(--ink-900);
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:26px;border-radius:3px;background:var(--grad-brand);
  transition:transform .2s ease;
}
.faq-item[open] summary::before{transform:translateY(-50%) scaleY(1)}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:700;color:var(--brand-1);
  transition:transform .22s ease-out;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(90deg);content:"+";}
.faq-body{padding:0 26px 24px;max-width:820px}
.faq-body p{font-size:15px;line-height:1.8;color:var(--ink-700)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad-dark);
  color:var(--on-dark);
  padding:96px 0;
  text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 18% 30%,rgba(98,64,232,.38) 0%,transparent 42%),
    radial-gradient(circle at 82% 72%,rgba(255,107,74,.30) 0%,transparent 46%);
}
.cta-band::after{
  content:"";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:56px 56px;
  opacity:.5;
}
.cta-band .container{position:relative;z-index:2}
.cta-band h2{color:var(--on-dark);font-size:clamp(24px,3vw,36px)}
.cta-band p{margin:16px auto 32px;max-width:640px;color:var(--on-dark-2);font-size:16px;line-height:1.8}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-note{margin-top:24px;font-size:13px;color:var(--on-dark-2)}

/* ---------- Floating CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;
  font-size:14px;font-weight:700;
  box-shadow:var(--shadow-brand);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease,filter .2s ease;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta.is-hidden{opacity:0;visibility:hidden;transform:translateY(12px)}
.float-cta:hover{filter:brightness(1.06)}
.float-cta i{font-size:13px}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;
  background:var(--grad-dark);
  color:var(--on-dark);
  padding:72px 0 28px;
  border-top:1px solid rgba(255,255,255,.10);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand b{font-size:15px;font-weight:800;color:var(--on-dark);display:block}
.footer-brand span span,.footer-brand>span>span{font-size:12px;color:var(--on-dark-2)}
.footer-brand span b{display:block;line-height:1.4}
.site-footer p{font-size:14px;line-height:1.85;color:var(--on-dark-2);max-width:340px}
.footer-title{
  font-size:14px;font-weight:700;color:var(--on-dark);
  margin-bottom:18px;position:relative;padding-bottom:12px;
}
.footer-title::after{
  content:"";position:absolute;left:0;bottom:0;width:32px;height:2px;border-radius:2px;
  background:var(--grad-brand);
}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:var(--on-dark-2);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:var(--brand-3);transform:translateX(3px)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--on-dark-2);line-height:1.7}
.footer-contact li i{color:var(--brand-3);margin-top:5px;font-size:13px}
.footer-social{display:flex;gap:12px}
.footer-social a{
  width:38px;height:38px;border-radius:var(--r-pill);
  display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.22);
  color:var(--on-dark-2);font-size:14px;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.footer-social a:hover{color:var(--brand-3);border-color:var(--brand-3);background:rgba(20,200,168,.10)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:var(--on-dark-2);
}

/* ---------- Overlay ---------- */
.nav-overlay{
  position:fixed;inset:0;z-index:110;
  background:rgba(12,8,28,.52);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.nav-overlay.is-open{opacity:1;visibility:visible}

/* ---------- Responsive ---------- */
@media(max-width:1199px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media(max-width:1024px){
  .section{padding:72px 0}
  .nav-toggle{display:grid}
  .nav-cta{display:none}
  .nav-links{
    position:fixed;top:0;right:0;z-index:120;
    width:min(320px,86vw);height:100vh;
    flex-direction:column;align-items:stretch;gap:8px;
    padding:96px 24px 32px;
    background:rgba(22,14,51,.96);
    -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
    border-left:1px solid rgba(255,255,255,.12);
    transform:translateX(100%);
    transition:transform .24s ease-out;
    overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-link{color:var(--on-dark);font-size:16px;font-weight:600;padding:14px 12px}
  .nav-link:hover{background:rgba(255,255,255,.08);color:#fff}
  .nav-link.is-active{color:var(--brand-3)}
  .drawer-cta{display:inline-flex;margin-top:20px;justify-content:center}
}
@media(max-width:768px){
  body{padding-bottom:76px}
  .hero{padding:126px 0 64px}
  .section{padding:56px 0}
  .hero-stats{gap:12px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .stat-badge{min-width:168px;flex:0 0 auto}
  .news-row{grid-template-columns:38px minmax(0,1fr);gap:14px;padding:20px 12px}
  .row-time{grid-column:2;text-align:left}
  .row-arrow{display:none}
  .coverage-item{flex-direction:column;gap:14px;padding:22px 20px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:64px 0}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;
    justify-content:center;padding:16px 20px;
    transform:translateY(100%);
  }
  .float-cta.is-show{transform:translateY(0)}
  .float-cta.is-hidden{transform:translateY(100%)}
}
@media(max-width:480px){
  .container{padding:0 16px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .list-foot .btn{width:100%}
  .side-card{padding:18px}
  .faq-item summary{padding:18px 18px;font-size:15px}
  .faq-body{padding:0 18px 20px}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .news-row:hover .row-arrow,.footer-links a:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --brand-1:#6240E8;
  --brand-2:#FF6B4A;
  --brand-3:#14C8A8;
  --grad-brand:linear-gradient(120deg,#6240E8 0%,#A64CE0 45%,#FF6B4A 100%);
  --grad-dark:linear-gradient(150deg,#160E33 0%,#2A1B5E 55%,#4527A0 100%);
  --ink-900:#14121F;
  --ink-700:#3A3654;
  --ink-500:#6E6A88;
  --bg:#F6F5FA;
  --surface:#FFFFFF;
  --line:#E8E5F5;
  --line-strong:#D8D3EE;
  --on-dark:#F7F5FF;
  --on-dark-2:rgba(247,245,255,.72);
  --warn:#F5A524;
  --error:#E5484D;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow-1:0 6px 24px rgba(31,20,80,.06);
  --shadow-2:0 18px 48px rgba(31,20,80,.12);
  --shadow-brand:0 12px 32px rgba(98,64,232,.28);
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-2);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;}
p{margin:0;}
ul,ol,dl,dd{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(20,14,45,.28);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:0 6px 24px rgba(12,7,36,.18);
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-1);
}
.nav{display:flex;align-items:center;gap:18px;height:76px;}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-mark{
  width:42px;height:42px;border-radius:13px;
  background:var(--grad-brand);
  display:grid;place-items:center;
  color:#fff;font-size:19px;
  box-shadow:0 8px 20px rgba(98,64,232,.34);
  flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-text b{font-size:16px;font-weight:800;letter-spacing:.2px;color:var(--on-dark);white-space:nowrap;}
.logo-text span{font-size:12px;color:var(--on-dark-2);letter-spacing:.02em;}
.site-header.is-scrolled .logo-text b{color:var(--ink-900);}
.site-header.is-scrolled .logo-text span{color:var(--ink-500);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:14px;
  font-weight:500;
  color:var(--on-dark);
  border-radius:10px;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad-brand);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease;
}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link:hover{color:#fff;}
.site-header.is-scrolled .nav-link{color:var(--ink-700);}
.site-header.is-scrolled .nav-link:hover,
.site-header.is-scrolled .nav-link.is-active{color:var(--brand-1);}
.nav-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-icon{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  color:var(--on-dark);
  border:1px solid rgba(255,255,255,.22);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-icon:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-1px);}
.site-header.is-scrolled .nav-icon{color:var(--ink-700);border-color:var(--line);}
.site-header.is-scrolled .nav-icon:hover{background:rgba(98,64,232,.08);color:var(--brand-1);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  color:var(--on-dark);
  border:1px solid rgba(255,255,255,.22);
  place-items:center;font-size:17px;
}
.site-header.is-scrolled .nav-toggle{color:var(--ink-900);border-color:var(--line);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  line-height:1;
  border:1.5px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  cursor:pointer;
}
.btn i{font-size:13px;transition:transform .22s ease;}
.btn-primary{background-image:var(--grad-brand);color:#fff;box-shadow:0 8px 22px rgba(98,64,232,.24);}
.btn-primary:hover{color:#fff;filter:brightness(1.06);box-shadow:var(--shadow-brand);transform:translateY(-2px);}
.btn-primary:active{transform:scale(.98);}
.btn-outline{border-color:var(--brand-1);color:var(--brand-1);background:transparent;}
.btn-outline:hover{background:rgba(98,64,232,.08);color:var(--brand-1);transform:translateY(-2px);}
.btn-dark-ghost{border-color:rgba(255,255,255,.32);color:var(--on-dark);background:rgba(255,255,255,.08);}
.btn-dark-ghost:hover{background:#fff;color:var(--brand-1);transform:translateY(-2px);}
.btn-text{
  padding:0;border:0;background:none;color:var(--brand-1);
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
}
.btn-text:hover{color:var(--brand-2);}
.btn-text:hover i{transform:translateX(4px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.nav-cta{padding:11px 20px;font-size:14px;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  padding:152px 0 110px;
  background-image:linear-gradient(150deg,rgba(22,14,51,.94) 0%,rgba(42,27,94,.9) 55%,rgba(69,39,160,.86) 100%),url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
  color:var(--on-dark);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 82% 18%,rgba(255,107,74,.28),transparent 46%),radial-gradient(circle at 12% 84%,rgba(20,200,168,.22),transparent 42%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--on-dark-2);margin-bottom:22px;}
.crumb a{color:var(--on-dark-2);}
.crumb a:hover{color:#fff;}
.crumb .dot{width:5px;height:5px;border-radius:50%;background-image:var(--grad-brand);display:inline-block;}
.crumb .current{color:#fff;font-weight:600;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--on-dark);
  margin-bottom:20px;
}
.hero-eyebrow i{color:var(--brand-3);}
.page-hero h1{
  color:#fff;
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.5px;
  max-width:900px;
}
.page-hero h1 em{font-style:normal;background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{
  margin-top:20px;max-width:720px;
  font-size:16px;line-height:1.8;color:var(--on-dark-2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:36px;font-size:13px;color:var(--on-dark-2);}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta i{color:var(--brand-3);}

/* ---------- badge band ---------- */
.badge-band{
  position:relative;z-index:6;
  margin-top:-46px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-2);
  padding:24px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.badge-item{
  display:flex;flex-direction:column;gap:4px;
  padding:14px 16px;
  border-radius:var(--r-md);
  background:rgba(98,64,232,.05);
  border:1px solid var(--line);
}
.badge-item b{
  font-size:26px;font-weight:800;line-height:1.1;
  color:var(--brand-1);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.5px;
}
.badge-item b i{font-style:normal;font-size:13px;font-weight:600;color:var(--ink-500);margin-left:4px;}
.badge-item span{font-size:13px;color:var(--ink-500);}
.badge-item:nth-child(2) b{color:var(--brand-2);}
.badge-item:nth-child(3) b{color:var(--brand-3);}
.badge-item:nth-child(4) b{background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ---------- sections ---------- */
.section{padding:var(--sec-y) 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(98,64,232,.08);
  color:var(--brand-1);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  margin-bottom:14px;
}
.sec-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;}
.sec-head p{margin-top:12px;font-size:15px;line-height:1.7;color:var(--ink-500);max-width:640px;}

.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.chip{
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,transform .2s ease;
  display:inline-flex;align-items:center;gap:7px;
}
.chip i{font-size:12px;}
.chip-purple{background:rgba(98,64,232,.1);color:#4d2fc4;}
.chip-orange{background:rgba(255,107,74,.12);color:#c9411f;}
.chip-mint{background:rgba(20,200,168,.13);color:#0b8a72;}
.chip:hover{transform:translateY(-2px);}
.chip-purple:hover{background:rgba(98,64,232,.18);color:#4d2fc4;}
.chip-orange:hover{background:rgba(255,107,74,.2);color:#c9411f;}
.chip-mint:hover{background:rgba(20,200,168,.22);color:#0b8a72;}

/* ---------- param grid ---------- */
.param-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.param-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease;
}
.param-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--grad-brand);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease;
}
.param-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.param-card:hover::before{transform:scaleX(1);}
.param-head{display:flex;align-items:center;gap:14px;margin-bottom:20px;}
.param-icon{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  font-size:19px;color:#fff;
  flex:0 0 auto;
  box-shadow:0 8px 18px rgba(98,64,232,.2);
}
.ic-purple{background-image:linear-gradient(135deg,#6240E8,#A64CE0);}
.ic-orange{background-image:linear-gradient(135deg,#FF6B4A,#E5484D);}
.ic-mint{background-image:linear-gradient(135deg,#14C8A8,#0E9E88);}
.param-head h3{font-size:19px;line-height:1.4;font-weight:700;}
.param-head p{font-size:13px;color:var(--ink-500);margin-top:2px;}
.param-list{display:flex;flex-direction:column;gap:14px;border-top:1px dashed var(--line);padding-top:18px;}
.param-row{display:flex;align-items:baseline;gap:10px;}
.param-row .k{font-size:14px;font-weight:600;color:var(--ink-900);flex:0 0 auto;}
.param-row .dots{flex:1 1 auto;border-bottom:2px dotted var(--line-strong);transform:translateY(-4px);min-width:16px;}
.param-row .v{font-size:14px;color:var(--ink-700);text-align:right;flex:0 1 auto;}
.param-row .v b{color:var(--brand-3);font-weight:700;font-variant-numeric:tabular-nums;}

/* ---------- mini faq ---------- */
.mini-faq{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.mini-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.mini-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow-2);}
.mini-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:18px 22px;text-align:left;
  font-size:15px;font-weight:700;color:var(--ink-900);
}
.mini-q .bar{
  width:3px;height:20px;border-radius:3px;
  background:var(--grad-brand);
  opacity:.32;flex:0 0 auto;
  transition:opacity .22s ease,height .22s ease;
}
.mini-item.is-open .mini-q .bar{opacity:1;height:26px;}
.mini-q .txt{flex:1 1 auto;}
.mini-q .sign{
  width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;flex:0 0 auto;
  background:rgba(98,64,232,.08);color:var(--brand-1);
  font-size:12px;
  transition:transform .24s ease,background .22s ease;
}
.mini-item.is-open .mini-q .sign{transform:rotate(90deg);background:rgba(255,107,74,.14);color:var(--brand-2);}
.mini-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.mini-item.is-open .mini-a{max-height:420px;}
.mini-a p{
  padding:0 22px 20px 39px;
  font-size:15px;line-height:1.8;color:var(--ink-700);max-width:820px;
}

/* ---------- cta ---------- */
.cta-band{
  position:relative;
  background-image:var(--grad-dark);
  color:var(--on-dark);
  padding:88px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 16% 22%,rgba(98,64,232,.4),transparent 44%),radial-gradient(circle at 86% 78%,rgba(255,107,74,.3),transparent 46%);
  pointer-events:none;
}
.cta-band .container{position:relative;z-index:2;}
.cta-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.cta-inner h2{color:#fff;font-size:clamp(24px,3vw,36px);line-height:1.25;}
.cta-inner p{margin-top:16px;font-size:15px;line-height:1.8;color:var(--on-dark-2);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.entry-cards{display:grid;gap:14px;}
.entry-card{
  display:flex;align-items:center;gap:16px;
  padding:18px 20px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  color:var(--on-dark);
  transition:background .22s ease,transform .22s ease,border-color .22s ease;
}
.entry-card:hover{background:rgba(255,255,255,.13);transform:translateY(-3px);border-color:rgba(255,255,255,.28);color:#fff;}
.entry-card .eicon{
  width:44px;height:44px;border-radius:13px;flex:0 0 auto;
  display:grid;place-items:center;font-size:18px;color:#fff;
}
.entry-card b{display:block;font-size:15px;font-weight:700;}
.entry-card span{display:block;font-size:13px;color:var(--on-dark-2);}
.entry-card .earrow{margin-left:auto;color:var(--on-dark-2);font-size:13px;transition:transform .22s ease;}
.entry-card:hover .earrow{transform:translateX(4px);color:var(--brand-3);}

/* ---------- float cta ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 22px;border-radius:var(--r-pill);
  background-image:var(--grad-brand);
  color:#fff;font-size:14px;font-weight:600;
  box-shadow:var(--shadow-brand);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease,filter .2s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{color:#fff;filter:brightness(1.06);}
.float-cta i{font-size:13px;}

/* ---------- footer ---------- */
.site-footer{
  background-image:var(--grad-dark);
  color:var(--on-dark);
  border-top:1px solid rgba(255,255,255,.1);
  padding:72px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand b{display:block;font-size:16px;font-weight:800;color:#fff;}
.footer-brand span span{font-size:12px;color:var(--on-dark-2);}
.site-footer p{font-size:14px;line-height:1.8;color:var(--on-dark-2);max-width:340px;}
.footer-title{
  position:relative;
  font-size:14px;font-weight:700;color:#fff;
  padding-bottom:12px;margin-bottom:18px;
}
.footer-title::after{
  content:"";position:absolute;left:0;bottom:0;
  width:34px;height:2px;border-radius:2px;
  background:var(--grad-brand);
}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:var(--on-dark-2);transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:var(--brand-3);transform:translateX(3px);}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:13px;line-height:1.7;color:var(--on-dark-2);}
.footer-contact i{color:var(--brand-3);margin-top:5px;font-size:12px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  color:var(--on-dark);
  transition:color .2s ease,background .2s ease,transform .2s ease;
}
.footer-social a:hover{color:var(--brand-3);background:rgba(20,200,168,.14);transform:translateY(-3px);}
.footer-bottom{
  margin-top:56px;
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 30px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--on-dark-2);
}

/* ---------- drawer mask ---------- */
.nav-mask{
  position:fixed;inset:0;z-index:60;
  background:rgba(10,6,28,.5);
  opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;
}
.nav-mask.is-open{opacity:1;visibility:visible;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .param-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .nav-link{padding:8px 9px;font-size:13px;}
  .logo-text span{display:none;}
}
@media (max-width:1024px){
  :root{--sec-y:72px;}
  .nav-toggle{display:grid;}
  .nav-cta{display:none;}
  .nav-links{
    position:fixed;top:0;right:0;
    width:min(320px,86vw);height:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    margin:0;padding:96px 24px 32px;
    background:linear-gradient(160deg,rgba(22,14,51,.97),rgba(42,27,94,.97));
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    border-left:1px solid rgba(255,255,255,.12);
    transform:translateX(100%);
    transition:transform .26s ease;
    overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links .nav-link{
    color:var(--on-dark);font-size:16px;font-weight:600;
    padding:14px 4px;
    border-bottom:1px solid rgba(255,255,255,.08);
    border-radius:0;
  }
  .nav-links .nav-link::after{left:4px;right:auto;width:34px;bottom:8px;}
  .nav-links .nav-link:hover,.nav-links .nav-link.is-active{color:var(--brand-3);}
  .cta-inner{grid-template-columns:1fr;gap:36px;}
  .badge-band{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:900px){
  .sec-head{flex-direction:column;align-items:flex-start;gap:18px;}
}
@media (max-width:768px){
  :root{--sec-y:56px;}
  .page-hero{padding:126px 0 88px;}
  .page-hero h1{font-size:30px;}
  .param-grid{grid-template-columns:1fr;}
  .badge-band{grid-template-columns:1fr;padding:18px;gap:12px;margin-top:-34px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{padding-top:56px;}
  .float-cta{
    right:0;left:0;bottom:0;
    justify-content:center;
    border-radius:0;
    padding:15px 20px;
    transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0);}
  body{padding-bottom:58px;}
  .mini-q{padding:16px 16px;font-size:14.5px;}
  .mini-a p{padding:0 16px 18px 33px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .logo-text b{font-size:14px;}
  .nav{height:68px;}
  .hero-actions .btn{width:100%;}
  .badge-item{padding:12px 14px;}
  .param-card{padding:20px 18px;}
  .param-row{flex-direction:column;gap:2px;align-items:flex-start;}
  .param-row .dots{display:none;}
  .param-row .v{text-align:left;color:var(--ink-500);}
  .chip-row{overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px;margin:0 -18px 28px;padding-left:18px;padding-right:18px;}
  .chip{white-space:nowrap;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}