/* roulang page: index */
:root{
  --c-primary:#3B2A72;
  --c-primary-l:#5B3FA0;
  --c-primary-d:#241a4d;
  --c-primary-soft:#F1EEFA;
  --c-accent:#12C7A6;
  --c-amber:#FFB63D;
  --c-dark:#14102B;
  --c-bg:#F7F6FC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBFAFF;
  --c-text:#17142B;
  --c-text-2:#5A5473;
  --c-text-3:#8C86A6;
  --c-line:#E7E4F2;
  --c-warn:#FF7A59;
  --r-xl:24px;
  --r-md:22px;
  --r-sm:16px;
  --r-xs:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(59,42,114,.08);
  --sh-2:0 14px 36px rgba(59,42,114,.16);
  --sh-3:0 6px 18px rgba(23,20,43,.10);
  --gap:24px;
  --pad-section:96px;
}
*,*::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,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .25s ease,text-decoration-color .25s ease}
a:hover{color:var(--c-primary-l)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--c-text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
.grid-container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}

/* ============ 顶部通告条 ============ */
.announce{background:var(--c-amber);color:var(--c-primary-d);min-height:38px;display:flex;align-items:center;position:relative;z-index:70}
.announce-inner{display:flex;align-items:center;gap:10px;width:100%;padding-top:6px;padding-bottom:6px}
.announce-dot{width:7px;height:7px;border-radius:50%;background:var(--c-primary-d);flex:0 0 auto;opacity:.75}
.announce p{font-size:13px;font-weight:600;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:.01em}
.announce-close{margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:0;background:rgba(36,26,77,.12);color:var(--c-primary-d);font-size:17px;line-height:1;display:grid;place-items:center;cursor:pointer;transition:background-color .25s ease}
.announce-close:hover{background:rgba(36,26,77,.24)}
.announce-close:focus-visible{outline:2px solid var(--c-primary-d);outline-offset:2px}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .3s ease,background-color .3s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(59,42,114,.10);background:rgba(255,255,255,.96)}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:76px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-l));color:#fff;display:grid;place-items:center;font-size:18px;font-weight:700;letter-spacing:.02em;box-shadow:0 6px 16px rgba(59,42,114,.22)}
.brand-text{display:flex;align-items:baseline;gap:1px;line-height:1.1}
.brand-text strong{font-size:19px;font-weight:700;color:var(--c-text);letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:19px;font-weight:600;color:var(--c-primary)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:42px;padding:0 14px;font-size:15px;font-weight:600;color:var(--c-text-2);border-radius:10px;transition:color .25s ease,background-color .25s ease}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left center;transition:transform .25s ease}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-primary)}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-text);align-items:center;justify-content:center;cursor:pointer;transition:border-color .25s ease,color .25s ease}
.nav-toggle:hover{border-color:rgba(59,42,114,.3);color:var(--c-primary)}
.nav-toggle:focus-visible{outline:2px solid var(--c-amber);outline-offset:2px}

/* 移动端抽屉 */
.mobile-drawer{position:fixed;left:0;right:0;top:0;bottom:0;background:var(--c-surface);z-index:90;display:flex;flex-direction:column;padding:18px 20px 24px;transform:translateY(-102%);transition:transform .35s cubic-bezier(.2,.7,.3,1);overflow-y:auto}
.mobile-drawer.open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line)}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-text);font-size:18px;display:grid;place-items:center;cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px}
.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:56px;font-size:17px;font-weight:600;color:var(--c-text);border-bottom:1px solid var(--c-line)}
.drawer-link.active{color:var(--c-primary)}
.drawer-link i{font-size:13px;color:var(--c-text-3)}
.drawer-cta{margin-top:auto;padding-top:24px}
.drawer-cta .btn{width:100%}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:14px;font-size:15px;font-weight:700;line-height:1;letter-spacing:.01em;border:1.5px solid transparent;cursor:pointer;transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s cubic-bezier(.2,.7,.3,1),background-color .3s ease,color .3s ease,border-color .3s ease}
.btn:focus-visible{outline:2px solid var(--c-amber);outline-offset:3px}
.btn-primary{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-l));color:#fff;box-shadow:0 8px 24px rgba(59,42,114,.18)}
.btn-primary:hover{background:linear-gradient(137deg,var(--c-primary-d),var(--c-primary-l));color:#fff;transform:translateY(-2px);box-shadow:0 14px 36px rgba(59,42,114,.28)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-amber{background:var(--c-amber);color:var(--c-primary-d);box-shadow:0 8px 24px rgba(255,182,61,.28)}
.btn-amber:hover{background:#FFC55E;color:var(--c-primary-d);transform:translateY(-2px);box-shadow:0 14px 36px rgba(255,182,61,.36)}
.btn-amber:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:rgba(59,42,114,.08);color:var(--c-primary);transform:translateY(-2px)}
.btn-ghost-light{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px)}
.btn-sm{height:44px;padding:0 20px;font-size:15px;border-radius:12px}
.btn-block{width:100%}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:76px 0 88px;background:linear-gradient(135deg,var(--c-dark) 0%,var(--c-primary) 58%,var(--c-primary-l) 100%);color:#fff}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.20) 1px,transparent 1px),radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);
  background-size:46px 46px,78px 78px;background-position:0 0,24px 30px;opacity:.55}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero-copy{max-width:34em}
.hero-pill{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,.24);font-size:12px;font-weight:600;letter-spacing:.02em;color:rgba(255,255,255,.92)}
.hero-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--c-amber);display:inline-block}
.hero h1{margin-top:20px;font-size:48px;line-height:1.22;color:#fff;letter-spacing:-.01em}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.75;color:rgba(255,255,255,.78);max-width:32em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16)}
.hero-stat{display:flex;align-items:baseline;gap:8px}
.hero-stat strong{font-size:26px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.68)}
.hero-visual{position:relative}
.hero-media{position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:4/3;box-shadow:0 24px 60px rgba(20,16,43,.4);border:1px solid rgba(255,255,255,.14)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(140deg,rgba(36,26,77,.42),rgba(18,199,166,.10) 60%,rgba(20,16,43,.30))}
.hero-float{position:absolute;right:-8px;bottom:-24px;width:250px;background:#fff;border-radius:var(--r-sm);padding:16px 18px;box-shadow:var(--sh-3);border:1px solid var(--c-line)}
.hero-float .float-label{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--c-primary);background:var(--c-primary-soft);border-radius:var(--r-pill);padding:3px 10px}
.hero-float strong{display:block;margin-top:10px;font-size:16px;font-weight:700;color:var(--c-text)}
.hero-float p{margin-top:6px;font-size:13px;line-height:1.7;color:var(--c-text-2)}

/* ============ 信任带 ============ */
.trust-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line);padding:28px 0}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.trust-item{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-sm)}
.trust-icon{width:40px;height:40px;flex:0 0 auto;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary);display:grid;place-items:center;font-size:16px}
.trust-item strong{display:block;font-size:17px;font-weight:700;color:var(--c-text);font-variant-numeric:tabular-nums}
.trust-item span{display:block;font-size:13px;color:var(--c-text-3)}

/* ============ 通用板块 ============ */
.section{padding:var(--pad-section) 0}
.section-alt{background:var(--c-surface)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:34px;line-height:1.28}
.section-head .section-sub{margin-top:10px;font-size:15px;color:var(--c-text-2);max-width:56ch}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);white-space:nowrap}
.link-more:hover{color:var(--c-primary-l);text-decoration:underline;text-underline-offset:4px}

/* ============ 主推网格 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.promo-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s ease,border-color .35s ease}
.promo-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(59,42,114,.3)}
.promo-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-l))}
.promo-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.promo-card:hover .promo-media img{transform:scale(1.03)}
.promo-badge{position:absolute;top:12px;left:12px;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;background:var(--c-primary);color:#EDE9FB}
.promo-badge.amber{background:var(--c-amber);color:var(--c-primary-d)}
.promo-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.promo-body h3{font-size:19px;line-height:1.45}
.promo-body p{margin-top:10px;font-size:15px;line-height:1.75;color:var(--c-text-2);flex:1}
.promo-foot{margin-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text-3)}
.promo-foot .arrow{color:var(--c-primary);font-weight:700;transition:transform .25s ease}
.promo-card:hover .promo-foot .arrow{transform:translateX(4px)}

/* ============ 双列专题区 ============ */
.feature-grid{display:grid;grid-template-columns:2fr 1fr;gap:var(--gap)}
.feature-main{display:grid;grid-template-columns:1fr 1fr;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s ease,border-color .35s ease}
.feature-main:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(59,42,114,.3)}
.feature-main-media{position:relative;overflow:hidden;min-height:300px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-l))}
.feature-main-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.feature-main:hover .feature-main-media img{transform:scale(1.03)}
.feature-main-body{padding:32px 30px;display:flex;flex-direction:column;justify-content:center}
.feature-main-body h3{font-size:24px;line-height:1.35}
.feature-main-body p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--c-text-2)}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:var(--gap)}
.side-card{display:flex;gap:16px;padding:20px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s ease,border-color .35s ease}
.side-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(59,42,114,.3)}
.side-thumb{width:88px;height:88px;flex:0 0 auto;border-radius:var(--r-sm);overflow:hidden;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-l))}
.side-thumb img{width:100%;height:100%;object-fit:cover}
.side-body h3{font-size:17px;line-height:1.45}
.side-body p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--c-text-2)}
.side-body .tag{margin-top:10px}

.tag{display:inline-flex;align-items:center;gap:6px;padding:3px 11px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;background:var(--c-primary-soft);color:var(--c-primary);border:1px solid rgba(59,42,114,.12)}
.tag.amber{background:rgba(255,182,61,.18);color:#8a5b00;border-color:rgba(255,182,61,.4)}
.tag.mint{background:rgba(18,199,166,.14);color:#0a7c67;border-color:rgba(18,199,166,.32)}

/* ============ 最新信息（CMS） ============ */
.post-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.post-item{display:flex;gap:16px;padding:16px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-sm);transition:background-color .3s ease,transform .3s ease,border-color .3s ease,box-shadow .3s ease}
.post-item:hover{background:var(--c-surface-2);transform:translateX(2px);border-color:rgba(59,42,114,.28);box-shadow:var(--sh-1)}
.post-thumb{width:96px;height:96px;flex:0 0 auto;border-radius:var(--r-sm);overflow:hidden;position:relative;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-l))}
.post-thumb::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.35) 1px,transparent 1px);background-size:14px 14px}
.post-body{min-width:0;display:flex;flex-direction:column}
.post-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;padding-top:10px;display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--c-text-3)}
.post-meta time{font-variant-numeric:tabular-nums}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;padding:56px 24px;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-md)}
.empty-state .empty-icon{width:64px;height:64px;border-radius:50%;background:rgba(59,42,114,.10);color:var(--c-primary);display:grid;place-items:center;font-size:24px}
.empty-state p{font-size:16px;color:var(--c-text-2)}

/* ============ 评价 ============ */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.review-card{display:flex;flex-direction:column;padding:26px 24px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s ease,border-color .35s ease}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(59,42,114,.3)}
.review-head{display:flex;align-items:center;gap:12px}
.avatar{width:48px;height:48px;flex:0 0 auto;border-radius:50%;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-l));color:#fff;display:grid;place-items:center;font-size:17px;font-weight:700}
.review-who strong{display:block;font-size:15px;font-weight:700}
.review-who span{display:block;font-size:13px;color:var(--c-text-3)}
.stars{margin-top:16px;color:var(--c-amber);font-size:13px;letter-spacing:2px}
.review-text{margin-top:12px;font-size:15px;line-height:1.8;color:var(--c-text-2);flex:1}
.review-badge{margin-top:18px;align-self:flex-start}

/* ============ 保障条 ============ */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.guard-item{display:flex;gap:14px;padding:22px 20px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-sm);transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s ease}
.guard-item:hover{transform:translateY(-3px);box-shadow:var(--sh-1)}
.guard-icon{width:40px;height:40px;flex:0 0 auto;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary);display:grid;place-items:center;font-size:16px}
.guard-item strong{display:block;font-size:15px;font-weight:700;color:var(--c-text)}
.guard-item span{display:block;margin-top:6px;font-size:13px;line-height:1.7;color:var(--c-text-3)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;margin:0 auto}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-sm);transition:border-color .3s ease,background-color .3s ease}
.faq-item[open]{border-color:rgba(59,42,114,.3);background:var(--c-surface-2)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:14px 24px;font-size:17px;font-weight:700;color:var(--c-text);cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:2px solid var(--c-amber);outline-offset:-2px;border-radius:var(--r-sm)}
.faq-icon{width:28px;height:28px;flex:0 0 auto;border-radius:50%;border:1.5px solid var(--c-primary);color:var(--c-primary);display:grid;place-items:center;font-size:15px;line-height:1;transition:transform .3s cubic-bezier(.2,.7,.3,1)}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-a{padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--c-text-2)}

/* ============ 底部 CTA ============ */
.cta-card{position:relative;overflow:hidden;border-radius:var(--r-xl);background:linear-gradient(135deg,var(--c-dark) 0%,var(--c-primary) 100%);color:#fff;padding:64px 56px;box-shadow:0 24px 60px rgba(20,16,43,.28)}
.cta-card::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:38px 38px;opacity:.6;pointer-events:none}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:center}
.cta-inner h2{font-size:34px;line-height:1.3;color:#fff}
.cta-inner p{margin-top:14px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.76);max-width:44ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-media{border-radius:var(--r-sm);overflow:hidden;aspect-ratio:4/3;border:1px solid rgba(255,255,255,.16)}
.cta-media img{width:100%;height:100%;object-fit:cover}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:#C9C4E0;padding-top:56px;margin-top:var(--pad-section)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:var(--c-amber)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#A49EC4;max-width:32ch}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social span{width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.08);color:#fff;display:grid;place-items:center;font-size:15px;transition:background-color .25s ease,color .25s ease}
.footer-social span:hover{background:rgba(255,182,61,.22);color:var(--c-amber)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;letter-spacing:.01em}
.footer-links{display:flex;flex-direction:column;margin-top:14px}
.footer-links a{display:inline-block;font-size:14px;line-height:34px;color:#C9C4E0;transition:color .25s ease,transform .25s ease}
.footer-links a:hover{color:var(--c-amber);transform:translateX(2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:#8C86A6}

/* ============ 滚动入场 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--pad-section:72px}
  .hero{padding:60px 0 76px}
  .hero-grid{grid-template-columns:1.4fr 1fr;gap:36px}
  .hero h1{font-size:38px}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:1fr}
  .feature-main-media{min-height:260px}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .guard-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-media{display:none}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .section-head h2{font-size:28px}
}
@media (max-width:960px){
  .nav-links,.nav-actions{display:none}
  .nav-toggle{display:inline-flex}
}
@media (max-width:640px){
  :root{--pad-section:48px;--gap:16px}
  .grid-container{padding-left:16px;padding-right:16px}
  .announce{display:none}
  .hero{padding:44px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:16px}
  .hero-stats{gap:20px}
  .hero-float{position:static;width:100%;margin-top:16px}
  .hero-media{aspect-ratio:16/11}
  .trust-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .post-list{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .guard-grid{grid-template-columns:1fr}
  .feature-main{grid-template-columns:1fr}
  .feature-main-body{padding:24px 20px}
  .feature-side{grid-template-rows:auto}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .section-head h2{font-size:26px}
  .cta-card{padding:36px 22px}
  .cta-inner h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* roulang page: category1 */
:root{
  --ink:#3B2A72;
  --ink-light:#5B3FA0;
  --ink-dark:#241A4D;
  --ink-8:#F1EEFA;
  --cyan:#12C7A6;
  --amber:#FFB63D;
  --deep:#14102B;
  --bg:#F7F6FC;
  --card:#FFFFFF;
  --panel:#FBFAFF;
  --text:#17142B;
  --text-2:#5A5473;
  --text-3:#8C86A6;
  --line:#E7E4F2;
  --warn:#FF7A59;
  --r-xl:24px;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(59,42,114,.08);
  --sh-2:0 14px 36px rgba(59,42,114,.16);
  --sh-3:0 6px 18px rgba(23,20,43,.10);
  --sec:96px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"DIN Alternate","Barlow","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ink);text-decoration:none;transition:color .25s ease,text-decoration-color .25s ease;}
a:hover{color:var(--ink-light);text-decoration:underline;text-underline-offset:4px;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:6px;}
.grid-container{max-width:1200px;width:100%;margin:0 auto;padding-left:24px;padding-right:24px;}
.grid-container.full{padding-left:0;padding-right:0;}
.tnum{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease,background-color .3s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(255,255,255,.97);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--ink) 0%,var(--ink-light) 100%);
  color:#fff;font-size:18px;font-weight:700;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:12px;font-weight:600;color:var(--ink-light);letter-spacing:.16em;}
.nav-links{display:flex;align-items:center;gap:8px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--text);border-radius:var(--r-sm);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;
  background:var(--ink);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .28s cubic-bezier(.2,.7,.3,1);
}
.nav-link:hover{color:var(--ink);text-decoration:none;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:17px;
}
.nav-toggle:hover{border-color:var(--ink);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:14px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.01em;text-decoration:none;
  transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s ease,background-color .3s ease,color .3s ease,border-color .3s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn:active{transform:translateY(0);filter:brightness(.94);}
.btn-primary{
  background:linear-gradient(135deg,var(--ink) 0%,var(--ink-light) 100%);
  color:#fff;box-shadow:var(--sh-1);
}
.btn-primary:hover{box-shadow:var(--sh-2);color:#fff;background:linear-gradient(133deg,var(--ink) 0%,var(--ink-light) 100%);}
.btn-ghost{
  background:transparent;border:1.5px solid var(--ink);color:var(--ink);
}
.btn-ghost:hover{background:var(--ink-8);color:var(--ink);box-shadow:var(--sh-1);}
.btn-amber{background:var(--amber);color:var(--ink-dark);box-shadow:0 8px 24px rgba(255,182,61,.28);}
.btn-amber:hover{background:#FFC459;color:var(--ink-dark);box-shadow:0 14px 36px rgba(255,182,61,.36);}
.btn-sm{height:44px;padding:0 20px;font-size:15px;border-radius:12px;}
.btn-block{width:100%;}

/* 面包屑 */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--text-3);}
.crumb-list a{color:var(--text-2);font-weight:600;}
.crumb-list a:hover{color:var(--ink);}
.crumb-sep{color:var(--text-3);}
.crumb-now{color:var(--ink);font-weight:700;}

/* 窄版 Hero */
.hero-narrow{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#14102B 0%,#3B2A72 55%,#5B3FA0 100%);
}
.hero-narrow::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1.4px),radial-gradient(rgba(255,255,255,.28) 1px,transparent 1.4px);
  background-size:56px 56px,96px 96px;
  background-position:0 0,28px 34px;
  opacity:.28;
}
.hero-narrow .grid-container{position:relative;z-index:2;}
.hero-narrow-inner{padding:64px 0 60px;}
.hero-narrow .crumb-list{color:rgba(255,255,255,.62);padding:0 0 18px;}
.hero-narrow .crumb-list a{color:rgba(255,255,255,.82);}
.hero-narrow .crumb-list a:hover{color:#fff;}
.hero-narrow .crumb-now{color:var(--amber);}
.hero-narrow .crumb-sep{color:rgba(255,255,255,.42);}
.hero-narrow-grid{display:flex;align-items:center;gap:48px;}
.hero-narrow-copy{flex:1 1 auto;max-width:640px;}
.hero-narrow h1{
  color:#fff;font-size:42px;line-height:1.22;letter-spacing:-.015em;margin-bottom:16px;
}
.hero-narrow .hero-sub{
  font-size:16px;line-height:1.8;color:rgba(255,255,255,.78);max-width:32em;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;
}
.tag-pill.on-dark{background:rgba(255,255,255,.14);color:#EDE9FB;border:1px solid rgba(255,255,255,.22);}
.tag-pill.on-dark i{color:var(--cyan);font-size:12px;}
.hero-thumb{
  flex:0 0 320px;max-width:320px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-xl);padding:12px;
  backdrop-filter:blur(6px);
}
.hero-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);}
.hero-thumb-cap{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 6px 4px;font-size:13px;color:rgba(255,255,255,.82);}
.hero-thumb-cap .tnum{color:var(--amber);font-weight:700;}

/* 通用板块 */
.section{padding:var(--sec) 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;margin-bottom:16px;
  border-radius:999px;background:var(--ink-8);color:var(--ink);font-size:12px;font-weight:700;letter-spacing:.04em;
}
.eyebrow i{color:var(--cyan);font-size:11px;}
.section-head h2{font-size:34px;margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--text-2);line-height:1.8;}

/* 交替行 */
.alt-row{display:flex;align-items:center;gap:56px;margin-bottom:64px;}
.alt-row:last-child{margin-bottom:0;}
.alt-row.reverse{flex-direction:row-reverse;}
.alt-media{flex:0 0 46%;max-width:46%;}
.alt-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--sh-1);}
.alt-body{flex:1 1 auto;}
.alt-index{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--ink-light);
}
.alt-index span{
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:999px;background:var(--ink-8);color:var(--ink);
  font-family:var(--font-num);font-size:13px;
}
.alt-body h2{font-size:26px;margin-bottom:14px;}
.alt-body p{font-size:16px;color:var(--text-2);line-height:1.85;margin-bottom:12px;}
.check-list{margin-top:18px;display:grid;gap:10px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text);line-height:1.7;}
.check-list li i{color:var(--cyan);font-size:14px;margin-top:5px;flex:0 0 auto;}

/* 条目列表卡 */
.entry-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh-1);}
.entry-list{display:grid;gap:12px;}
.entry-item{
  display:flex;gap:18px;align-items:center;padding:14px;border-radius:var(--r-md);
  border:1px solid transparent;background:transparent;
  transition:background-color .25s ease,transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  text-decoration:none;
}
.entry-item:hover{
  background:var(--panel);border-color:var(--line);transform:translateX(2px);
  text-decoration:none;box-shadow:var(--sh-3);
}
.entry-thumb{flex:0 0 96px;width:96px;}
.entry-thumb img{width:96px;height:96px;object-fit:cover;border-radius:var(--r-md);}
.entry-main{flex:1 1 auto;min-width:0;}
.entry-main h3{
  font-size:18px;font-weight:700;margin-bottom:6px;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-main p{
  font-size:15px;color:var(--text-2);line-height:1.7;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--text-3);}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--ink-8);color:var(--ink);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.chip.amber{background:rgba(255,182,61,.22);color:var(--ink-dark);}
.entry-arrow{margin-left:auto;flex:0 0 auto;color:var(--ink);font-size:15px;font-weight:700;transition:transform .25s ease;}
.entry-item:hover .entry-arrow{transform:translateX(4px);}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .25s ease,background-color .25s ease;}
.faq-item.open{border-color:rgba(59,42,114,.32);background:var(--panel);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 24px;background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:700;color:var(--text);
}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:999px;border:1.5px solid var(--ink);
  color:var(--ink);display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:transform .3s cubic-bezier(.2,.7,.3,1),background-color .25s ease,color .25s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--ink);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s cubic-bezier(.2,.7,.3,1);}
.faq-a-inner{padding:0 24px 20px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* CTA */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:56px 48px;color:#fff;
  background:linear-gradient(135deg,#14102B 0%,#241A4D 60%,#3B2A72 100%);
}
.cta-card::after{
  content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,199,166,.24) 0%,transparent 68%);
  pointer-events:none;
}
.cta-grid{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;}
.cta-copy{max-width:620px;}
.cta-copy h2{color:#fff;font-size:30px;margin-bottom:14px;}
.cta-copy p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.76);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* 页脚 */
.site-footer{background:var(--deep);color:#C9C4E0;padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:36px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:var(--amber);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#A9A3C6;max-width:30em;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social span{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:#C9C4E0;font-size:14px;transition:background-color .25s ease,color .25s ease;
}
.footer-social span:hover{background:rgba(255,182,61,.2);color:var(--amber);}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:grid;gap:2px;}
.footer-links a{
  font-size:14px;line-height:34px;color:#C9C4E0;text-decoration:none;
  transition:color .25s ease,transform .25s ease;
}
.footer-links a:hover{color:var(--amber);transform:translateX(-2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:22px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#8C86A6;
}

/* 入场动画 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  .btn:hover,.entry-item:hover{transform:none;}
}

/* 响应式 */
@media screen and (max-width:1024px){
  :root{--sec:72px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .hero-narrow-inner{padding:52px 0 48px;}
  .hero-narrow-grid{flex-direction:column;align-items:flex-start;gap:32px;}
  .hero-narrow h1{font-size:34px;}
  .hero-thumb{flex:0 0 auto;max-width:100%;width:100%;}
  .alt-row{gap:36px;}
  .alt-media{flex:0 0 44%;max-width:44%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-card{padding:44px 32px;}
  .cta-grid{flex-direction:column;align-items:flex-start;gap:28px;}
}
@media screen and (max-width:640px){
  :root{--sec:48px;}
  body{font-size:15px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .nav-links,.nav-actions{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  body.nav-open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:fixed;left:0;right:0;top:76px;bottom:96px;padding:8px 20px;
    background:#fff;border-top:1px solid var(--line);overflow-y:auto;z-index:79;
  }
  body.nav-open .nav-link{
    height:56px;padding:0;font-size:17px;font-weight:600;border-bottom:1px solid var(--line);
    border-radius:0;justify-content:flex-start;
  }
  body.nav-open .nav-link::after{display:none;}
  body.nav-open .nav-actions{
    display:flex;position:fixed;left:0;right:0;bottom:0;padding:14px 20px 18px;
    background:#fff;border-top:1px solid var(--line);z-index:81;
  }
  body.nav-open .nav-actions .btn{flex:1 1 0;}
  .hero-narrow-inner{padding:40px 0 40px;}
  .hero-narrow h1{font-size:30px;}
  .hero-narrow .hero-sub{font-size:15px;}
  .section-head h2{font-size:26px;}
  .alt-row,.alt-row.reverse{flex-direction:column;gap:20px;margin-bottom:44px;}
  .alt-media{flex:0 0 auto;max-width:100%;}
  .alt-body h2{font-size:20px;}
  .entry-panel{padding:16px;border-radius:var(--r-lg);}
  .entry-item{flex-direction:column;align-items:flex-start;gap:12px;padding:14px 12px;}
  .entry-thumb,.entry-thumb img{width:100%;flex:0 0 auto;height:auto;aspect-ratio:16/10;border-radius:var(--r-sm);}
  .entry-arrow{margin-left:0;align-self:flex-end;}
  .faq-q{font-size:16px;padding:14px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
  .cta-card{padding:32px 20px;border-radius:var(--r-lg);}
  .cta-copy h2{font-size:23px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 0;padding:0 16px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"DIN Alternate","Barlow","HarmonyOS Sans SC",system-ui,sans-serif;
  --indigo:#3B2A72;
  --indigo-light:#5B3FA0;
  --indigo-dark:#241a4d;
  --indigo-8:#F1EEFA;
  --cyan:#12C7A6;
  --amber:#FFB63D;
  --base-dark:#14102B;
  --bg:#F7F6FC;
  --surface:#FFFFFF;
  --surface-2:#FBFAFF;
  --text:#17142B;
  --text-2:#5A5473;
  --text-3:#8C86A6;
  --line:#E7E4F2;
  --warn:#FF7A59;
  --r-lg:24px;
  --r-md:22px;
  --r-sm:16px;
  --r-xs:12px;
  --sh-1:0 8px 24px rgba(59,42,114,.08);
  --sh-2:0 14px 36px rgba(59,42,114,.16);
  --sh-3:0 6px 18px rgba(23,20,43,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{font-family:var(--font-sans);color:var(--text);margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em}
p{margin:0}
img{max-width:100%;display:block;border:0}
a{color:var(--indigo);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--indigo-light)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%}
@media (max-width:1024px){.grid-container{padding-left:20px;padding-right:20px}}
@media (max-width:640px){.grid-container{padding-left:16px;padding-right:16px}}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(59,42,114,.10)}
.nav-inner{display:flex;align-items:center;gap:26px;height:76px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex-shrink:0}
.brand:hover{color:var(--text)}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--indigo),var(--indigo-light));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;letter-spacing:.02em;
}
.brand-text{display:flex;align-items:baseline;gap:1px;font-size:19px;letter-spacing:-.01em;white-space:nowrap}
.brand-text strong{font-weight:700;color:var(--indigo-dark)}
.brand-text em{font-style:normal;font-weight:600;color:var(--indigo-light)}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:10px}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--text-2);padding:6px 0}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--indigo);transition:width .3s var(--ease)}
.nav-link:hover{color:var(--indigo)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link.active{color:var(--indigo)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{display:none}
.nav-drawer{display:none}
@media (max-width:1024px){
  .nav-links,.nav-actions{display:none}
  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;margin-left:auto;border-radius:12px;
    border:1px solid var(--line);background:#fff;color:var(--indigo);
    font-size:17px;cursor:pointer;transition:all .25s var(--ease);
  }
  .nav-toggle:hover{border-color:var(--indigo);background:var(--indigo-8)}
  .nav-drawer{
    display:flex;flex-direction:column;
    position:fixed;top:76px;left:0;right:0;bottom:0;z-index:99;
    background:#fff;padding:8px 16px 24px;overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
  }
  .nav-drawer.is-open{opacity:1;visibility:visible;transform:none}
  .drawer-link{display:flex;align-items:center;height:56px;font-size:17px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line)}
  .drawer-link.active{color:var(--indigo)}
  .drawer-cta{margin-top:auto}
}
body.drawer-open{overflow:hidden}
@media (min-width:1025px){.nav-drawer{display:none!important}}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:14px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--indigo),var(--indigo-light));color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);background:linear-gradient(140deg,var(--indigo),var(--indigo-light))}
.btn-primary:active{transform:none;filter:brightness(.94)}
.btn-ghost{background:transparent;border:1.5px solid var(--indigo);color:var(--indigo)}
.btn-ghost:hover{background:var(--indigo-8);color:var(--indigo);transform:translateY(-2px)}
.btn-ghost:active{transform:none;filter:brightness(.97)}
.btn-amber{background:var(--amber);color:var(--indigo-dark);font-weight:700}
.btn-amber:hover{background:#FFC65C;color:var(--indigo-dark);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-sm{height:44px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--amber);outline-offset:2px}

/* ===== 徽章 / 标签 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap}
.badge-indigo{background:var(--indigo);color:#EDE9FB}
.badge-amber{background:var(--amber);color:var(--indigo-dark)}
.badge-soft{background:var(--indigo-8);color:var(--indigo)}
.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}

/* ===== 文章顶部 ===== */
.article-hero{
  position:relative;overflow:hidden;
  padding:52px 0 68px;
  background-image:linear-gradient(135deg,rgba(20,16,43,.95) 0%,rgba(59,42,114,.92) 55%,rgba(91,63,160,.88) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;
}
.article-hero .grid-container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.75)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:rgba(255,255,255,.94);max-width:340px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.article-hero .badge-amber{height:30px;padding:0 14px}
.article-hero h1{
  font-size:40px;line-height:1.28;color:#fff;
  margin:16px 0 20px;max-width:22em;letter-spacing:-.01em;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;color:rgba(255,255,255,.72);font-size:13px}
.meta-item{display:inline-flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums}
.meta-item i{color:var(--amber);font-size:13px}
.meta-sep{width:1px;height:14px;background:rgba(255,255,255,.22)}
.meta-link{
  display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;
  border-radius:999px;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);
  color:#fff;font-size:13px;font-weight:600;cursor:pointer;
  transition:all .25s var(--ease);
}
.meta-link:hover{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.45)}
.meta-link:focus-visible{outline:2px solid var(--amber);outline-offset:2px}

/* ===== 正文布局 ===== */
.article-main{padding:56px 0 88px}
.article-layout{margin-left:-12px;margin-right:-12px}
.article-layout > .cell{padding-left:12px;padding-right:12px}
.article-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:44px 48px 48px;
  box-shadow:var(--sh-1);
}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:var(--text);word-wrap:break-word;overflow-wrap:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:26px;line-height:1.35;margin:42px 0 16px;
  padding-left:12px;border-left:4px solid var(--indigo);
  scroll-margin-top:100px;
}
.article-body h3{font-size:20px;line-height:1.4;margin:32px 0 12px;scroll-margin-top:100px}
.article-body h4{font-size:17px;margin:24px 0 10px}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 1.2em;line-height:1.85}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body li::marker{color:var(--indigo-light)}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--indigo-8);
  border-left:4px solid var(--indigo);border-radius:0 12px 12px 0;
  color:var(--text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:24px 0;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body a{color:var(--indigo);border-bottom:1px solid rgba(59,42,114,.28)}
.article-body a:hover{color:var(--indigo-light);border-bottom-color:var(--indigo-light)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;border-radius:12px;overflow:hidden}
.article-body thead th{background:var(--indigo-8);color:var(--indigo-dark);font-weight:700;text-align:left;padding:12px 14px;border:0}
.article-body tbody td{padding:12px 14px;border:0;border-bottom:1px solid var(--line);color:var(--text-2)}
.article-body tbody tr:nth-child(even){background:var(--surface-2)}
.article-body code{background:var(--indigo-8);color:var(--indigo-dark);padding:2px 6px;border-radius:6px;font-size:.92em}
.article-body pre{background:var(--base-dark);color:#E9E6F7;padding:18px 20px;border-radius:14px;overflow-x:auto;font-size:14px;line-height:1.7;margin:24px 0}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.empty-state{text-align:center;padding:56px 20px}
.empty-icon{
  width:64px;height:64px;border-radius:50%;margin:0 auto 18px;
  background:var(--indigo-8);color:var(--indigo);
  display:flex;align-items:center;justify-content:center;font-size:24px;
}
.empty-state p{color:var(--text-2);margin-bottom:22px;font-size:16px}

/* ===== 侧栏 ===== */
.article-sidebar{display:flex;flex-direction:column;gap:18px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1)}
.side-title{font-size:16px;font-weight:700;color:var(--indigo-dark);display:flex;align-items:center;gap:9px;margin-bottom:16px}
.side-title i{color:var(--indigo-light);font-size:15px}
.toc{display:flex;flex-direction:column;gap:2px;max-height:330px;overflow-y:auto}
.toc-link{
  display:block;font-size:14px;line-height:1.6;color:var(--text-2);
  padding:8px 10px;border-radius:10px;border-left:2px solid transparent;
  transition:all .22s var(--ease);
}
.toc-link:hover{background:var(--indigo-8);color:var(--indigo);border-left-color:var(--indigo)}
.toc-h3{padding-left:24px;font-size:13.5px;color:var(--text-3)}
.toc-empty{font-size:13px;color:var(--text-3);padding:6px 2px}
.side-list{display:flex;flex-direction:column;gap:10px}
.side-item{display:flex;gap:12px;align-items:center;padding:8px;border-radius:14px;transition:background .25s var(--ease),transform .25s var(--ease)}
.side-item:hover{background:var(--surface-2);transform:translateX(3px)}
.side-item img{width:64px;height:64px;border-radius:12px;object-fit:cover;flex-shrink:0;background:linear-gradient(135deg,var(--indigo),var(--indigo-light))}
.side-item-body{display:flex;flex-direction:column;gap:4px;min-width:0}
.side-item-body strong{font-size:14.5px;font-weight:700;color:var(--text);line-height:1.4}
.side-item-body em{font-style:normal;font-size:12.5px;color:var(--text-3);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 13px;border-radius:999px;
  background:var(--surface-2);border:1px solid var(--line);
  font-size:12.5px;font-weight:600;color:var(--text-2);
  transition:all .25s var(--ease);
}
.tag:hover{background:var(--indigo-8);border-color:rgba(59,42,114,.3);color:var(--indigo)}

/* ===== 相关推荐 ===== */
.related-section{margin-top:44px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}
.section-head h2{font-size:24px;color:var(--text)}
.text-link{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--indigo)}
.text-link:hover{color:var(--indigo-light)}
.text-link i{font-size:12px;transition:transform .25s var(--ease)}
.text-link:hover i{transform:translateX(3px)}
.related-grid{margin-left:-12px;margin-right:-12px}
.related-grid > .cell{padding-left:12px;padding-right:12px}
.rec-card{
  display:flex;flex-direction:column;height:100%;position:relative;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);color:var(--text);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(59,42,114,.3);color:var(--text)}
.rec-thumb{display:block;overflow:hidden;aspect-ratio:16/10;background:linear-gradient(135deg,var(--indigo),var(--indigo-light))}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{display:flex;flex-direction:column;gap:8px;padding:20px 22px 22px}
.rec-body strong{font-size:17px;font-weight:700;color:var(--text);line-height:1.45}
.rec-body em{font-style:normal;font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-badge{position:absolute;top:12px;left:12px;background:var(--amber);color:var(--indigo-dark);font-size:12px;font-weight:700;height:26px;padding:0 11px;border-radius:999px;display:inline-flex;align-items:center;letter-spacing:.02em}

/* ===== 上下篇 ===== */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px}
.post-nav-item{
  display:flex;flex-direction:column;gap:8px;padding:20px 22px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--text);transition:all .3s var(--ease);
}
.post-nav-item:hover{border-color:rgba(59,42,114,.3);background:var(--surface-2);transform:translateY(-3px);box-shadow:var(--sh-1);color:var(--text)}
.post-nav-item--right{text-align:right;align-items:flex-end}
.post-nav-label{font-size:12.5px;font-weight:600;color:var(--text-3);letter-spacing:.02em;display:inline-flex;align-items:center;gap:7px}
.post-nav-title{font-size:15.5px;font-weight:700;color:var(--indigo)}
.post-back{margin-top:22px;display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{background:var(--base-dark);color:#C9C4E0;padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:#B9AEE6}
.footer-brand p{font-size:14px;line-height:1.85;color:#A9A3C8;max-width:22em}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social span{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);color:#CFC9E8;font-size:15px;
  transition:all .25s var(--ease);
}
.footer-social span:hover{background:var(--amber);color:var(--indigo-dark)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column}
.footer-links a{font-size:14px;color:#C9C4E0;line-height:34px;transition:all .25s var(--ease)}
.footer-links a:hover{color:var(--amber);transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8F88B4;
}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-panel{padding:32px 28px}
  .article-hero h1{font-size:32px}
  .article-main{padding:44px 0 68px}
}
@media (max-width:640px){
  .nav-inner{height:68px}
  .nav-drawer{top:68px}
  .brand-text{font-size:17px}
  .brand-mark{width:36px;height:36px;border-radius:11px;font-size:16px}
  .article-hero{padding:36px 0 46px}
  .article-hero h1{font-size:25px;line-height:1.34}
  .article-meta{gap:8px 14px}
  .breadcrumb .current{max-width:180px}
  .article-panel{padding:24px 18px;border-radius:20px}
  .article-body{font-size:15.5px;line-height:1.85}
  .article-body h2{font-size:21px;margin-top:32px}
  .article-body h3{font-size:18px}
  .post-nav{grid-template-columns:1fr}
  .post-nav-item--right{text-align:left;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .section-head h2{font-size:20px}
  .related-section{margin-top:34px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --ink:#3B2A72;
  --ink-light:#5B3FA0;
  --ink-dark:#241a4d;
  --ink-8:#F1EEFA;
  --cyan:#12C7A6;
  --amber:#FFB63D;
  --dark:#14102B;
  --bg:#F7F6FC;
  --card:#FFFFFF;
  --panel:#FBFAFF;
  --text:#17142B;
  --text-2:#5A5473;
  --text-3:#8C86A6;
  --border:#E7E4F2;
  --warn:#FF7A59;
  --r-xl:24px;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --s-1:0 8px 24px rgba(59,42,114,.08);
  --s-2:0 14px 36px rgba(59,42,114,.16);
  --s-3:0 6px 18px rgba(23,20,43,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--ink-light);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:14px;
  font-size:15px;font-weight:700;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--amber);outline-offset:2px;}
.btn-primary{
  background-image:linear-gradient(135deg,var(--ink) 0%,var(--ink-light) 100%);
  color:#fff;box-shadow:var(--s-1);
}
.btn-primary:hover{
  color:#fff;transform:translateY(-2px);
  background-image:linear-gradient(132deg,var(--ink) 0%,var(--ink-light) 100%);
  box-shadow:var(--s-2);
}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{
  background:transparent;border-color:var(--ink);color:var(--ink);
}
.btn-ghost:hover{background:var(--ink-8);color:var(--ink-dark);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-amber{
  background:var(--amber);color:var(--ink-dark);box-shadow:0 8px 24px rgba(255,182,61,.28);
}
.btn-amber:hover{background:#FFC65E;color:var(--ink-dark);transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,182,61,.36);}
.btn-amber:active{transform:translateY(0);}
.btn-sm{height:44px;padding:0 20px;font-size:14px;border-radius:999px;}
.btn-block{width:100%;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border);
  transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(23,20,43,.07);background:rgba(255,255,255,.96);backdrop-filter:saturate(140%) blur(6px);}
.nav-inner{display:flex;align-items:center;gap:24px;height:76px;}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 40px;
  background-image:linear-gradient(135deg,var(--ink) 0%,var(--ink-light) 100%);
  color:#fff;font-size:19px;font-weight:700;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(59,42,114,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--text);}
.brand-text em{font-style:normal;font-size:12px;font-weight:600;color:var(--ink-light);letter-spacing:.18em;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:16px;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--text);padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--ink);
  border-radius:2px;transition:width .3s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--ink);}
.nav-link.active::after{width:100%;background:var(--amber);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:#fff;color:var(--ink);font-size:17px;align-items:center;justify-content:center;cursor:pointer;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.nav-toggle:hover{background:var(--ink-8);border-color:rgba(59,42,114,.3);}
.mobile-drawer{
  display:none;position:fixed;inset:76px 0 0 0;background:#fff;z-index:55;
  padding:16px 20px 0;overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  font-size:17px;font-weight:600;color:var(--text);line-height:56px;
  border-bottom:1px solid var(--border);
}
.mobile-drawer a.drawer-link.active{color:var(--ink);}
.mobile-drawer .drawer-cta{margin:20px 0 32px;}
.mobile-drawer .drawer-cta .btn{width:100%;}

/* ---------- hero (compact) ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(135deg,#14102B 0%,#2C2060 52%,#5B3FA0 100%);
  padding:56px 0 60px;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.20) 1px,transparent 1.6px),radial-gradient(rgba(255,255,255,.12) 1px,transparent 1.5px);
  background-size:52px 52px,86px 86px;background-position:0 0,26px 30px;opacity:.5;
}
.cat-hero .grid-container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:18px;flex-wrap:wrap;}
.crumb a{color:rgba(255,255,255,.78);}
.crumb a:hover{color:var(--amber);}
.crumb span.sep{color:rgba(255,255,255,.36);}
.hero-grid{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:center;}
.cat-hero h1{
  color:#fff;font-size:40px;line-height:1.22;font-weight:700;letter-spacing:-.01em;
}
.cat-hero h1 .hl{color:var(--amber);}
.hero-sub{
  margin-top:16px;color:rgba(255,255,255,.8);font-size:16px;line-height:1.8;max-width:34em;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  border-radius:999px;padding:7px 15px;font-size:12px;font-weight:600;letter-spacing:.02em;
}
.pill-indigo{background:rgba(241,238,250,.14);color:#EDE9FB;border:1px solid rgba(237,233,251,.24);}
.pill-amber{background:var(--amber);color:var(--ink-dark);}
.pill-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);display:inline-block;}
.hero-thumb{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:22px;padding:12px;box-shadow:0 18px 40px rgba(0,0,0,.22);
}
.hero-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;}
.hero-thumb .thumb-meta{display:flex;align-items:center;justify-content:space-between;padding:12px 6px 4px;color:rgba(255,255,255,.82);font-size:12px;}

/* ---------- tag bar ---------- */
.tagbar-wrap{background:#fff;border-bottom:1px solid var(--border);}
.tagbar{display:flex;gap:10px;padding:18px 0;overflow-x:auto;scrollbar-width:none;}
.tagbar::-webkit-scrollbar{display:none;}
.tag{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;
  height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--border);
  background:var(--panel);color:var(--text-2);font-size:14px;font-weight:600;cursor:pointer;
  transition:all .25s var(--ease);
}
.tag:hover{border-color:rgba(59,42,114,.32);color:var(--ink);background:#fff;}
.tag.is-active{background-image:linear-gradient(135deg,var(--ink) 0%,var(--ink-light) 100%);color:#fff;border-color:transparent;box-shadow:var(--s-1);}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section.tight{padding-top:56px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:32px;}
.section-head h2 .hl{color:var(--ink-light);}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:52em;}
.text-link{font-size:14px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{color:var(--ink-light);gap:10px;}

/* ---------- card grid (3 cols) ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.info-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--s-2);border-color:rgba(59,42,114,.3);}
.info-card .thumb{overflow:hidden;background:var(--ink-8);}
.info-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s var(--ease);}
.info-card:hover .thumb img{transform:scale(1.03);}
.info-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.info-card h3{font-size:18px;line-height:1.45;margin-bottom:10px;}
.info-card p{font-size:14.5px;color:var(--text-2);line-height:1.78;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--text-3);
}
.mini-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--ink-8);color:var(--ink);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.mini-badge.cyan{background:rgba(18,199,166,.12);color:#0B8E76;}

/* ---------- timeline ---------- */
.steps-band{
  background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;padding:8px 0;}
.step{position:relative;padding:0 22px;}
.step::after{
  content:"";position:absolute;top:18px;left:calc(50% + 26px);right:calc(-50% + 26px);
  border-top:1px dashed rgba(59,42,114,.35);
}
.step:last-child::after{display:none;}
.step .node{
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background-image:linear-gradient(135deg,var(--ink) 0%,var(--ink-light) 100%);
  color:#fff;font-size:14px;font-weight:700;position:relative;z-index:2;
  box-shadow:0 6px 16px rgba(59,42,114,.24);
}
.step h3{font-size:17px;margin:18px 0 8px;}
.step p{font-size:14px;color:var(--text-2);line-height:1.75;max-width:24em;}

/* ---------- compact list ---------- */
.list-panel{background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);overflow:hidden;}
.list-row{
  display:flex;align-items:center;gap:18px;padding:18px 24px;border-bottom:1px solid var(--border);
  transition:background .25s var(--ease),transform .25s var(--ease);
}
.list-row:last-child{border-bottom:0;}
.list-row:hover{background:var(--panel);transform:translateX(2px);}
.list-row .idx{
  flex:0 0 40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--ink-8);color:var(--ink);font-size:13px;font-weight:700;
}
.list-row .txt{flex:1;min-width:0;}
.list-row .txt h3{font-size:16px;font-weight:600;margin-bottom:4px;}
.list-row .txt p{font-size:13.5px;color:var(--text-2);line-height:1.6;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.list-row .go{color:var(--text-3);font-size:14px;flex:0 0 auto;transition:color .25s var(--ease),transform .25s var(--ease);}
.list-row:hover .go{color:var(--ink);transform:translateX(3px);}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;}
.accordion{border:0;background:transparent;margin:0;}
.accordion .accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.accordion .accordion-item.is-active{border-color:rgba(59,42,114,.3);background:var(--panel);}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 24px;line-height:56px;font-size:17px;font-weight:700;color:var(--text);
  border:0;background:transparent;
}
.accordion .accordion-title::before{display:none;}
.accordion .accordion-title:hover{background:transparent;color:var(--ink);}
.accordion .accordion-title .sign{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--ink);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
  transition:transform .3s var(--ease);
}
.accordion .is-active .accordion-title .sign{transform:rotate(45deg);}
.accordion .accordion-content{padding:0 24px 20px;background:transparent;border:0;color:var(--text-2);font-size:15px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background-image:linear-gradient(135deg,#14102B 0%,#2A1F5C 55%,#3B2A72 100%);
  padding:56px;box-shadow:var(--s-2);
}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1.6px);
  background-size:48px 48px;opacity:.5;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:center;}
.cta-card h2{color:#fff;font-size:32px;}
.cta-card p{margin-top:14px;color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.85;max-width:38em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;}
.cta-side{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-md);padding:20px;color:#fff;}
.cta-side h3{color:#fff;font-size:16px;margin-bottom:12px;}
.cta-side ul li{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:rgba(255,255,255,.8);line-height:1.7;padding:7px 0;}
.cta-side ul li i{color:var(--cyan);margin-top:4px;font-size:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#C9C4E0;padding:56px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:var(--amber);}
.footer-brand p{font-size:14px;color:#C9C4E0;line-height:1.85;max-width:26em;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social span{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:#C9C4E0;font-size:15px;
  transition:background .25s var(--ease),color .25s var(--ease);
}
.footer-social span:hover{background:rgba(255,182,61,.18);color:var(--amber);}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;}
.footer-links a{
  color:#C9C4E0;font-size:14px;line-height:34px;transition:color .25s var(--ease),transform .25s var(--ease);
}
.footer-links a:hover{color:var(--amber);transform:translateX(2px);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8C86A6;
}

/* ---------- responsive ---------- */
@media screen and (max-width:1024px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .nav-links{gap:20px;margin-left:8px;}
  .nav-actions .btn-ghost{display:none;}
  .hero-grid{grid-template-columns:1fr 280px;gap:28px;}
  .cat-hero h1{font-size:34px;}
  .section{padding:72px 0;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .step:nth-child(2)::after{display:none;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .cta-card{padding:44px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:640px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .nav-links,.nav-actions{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-inner{height:66px;}
  .mobile-drawer{inset:66px 0 0 0;}
  .cat-hero{padding:40px 0 46px;}
  .hero-grid{grid-template-columns:1fr;}
  .cat-hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .hero-thumb{max-width:420px;}
  .section{padding:48px 0;}
  .section-head h2{font-size:24px;}
  .card-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;gap:0;}
  .step{padding:0 0 26px 52px;}
  .step::after{
    left:17px;right:auto;top:42px;bottom:-2px;border-top:0;
    border-left:1px dashed rgba(59,42,114,.35);
  }
  .step .node{position:absolute;left:0;top:0;}
  .step h3{margin-top:6px;}
  .step:last-child{padding-bottom:0;}
  .list-row{padding:16px;gap:12px;align-items:flex-start;}
  .list-row .txt p{white-space:normal;}
  .accordion .accordion-title{padding:0 16px;font-size:15.5px;line-height:1.5;padding-top:16px;padding-bottom:16px;}
  .accordion .accordion-content{padding:0 16px 18px;}
  .cta-card{padding:32px 22px;}
  .cta-card h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}