/* roulang page: index */
:root{
  --sk-night:#14112E;
  --sk-night-2:#1E1A46;
  --sk-primary:#2B2160;
  --sk-primary-2:#4A3CA8;
  --sk-primary-3:#6B5BD2;
  --sk-teal:#2FD3B4;
  --sk-teal-2:#17A88E;
  --sk-amber:#FFB43C;
  --sk-amber-2:#E89A1F;
  --sk-bg:#F6F5FB;
  --sk-bg-2:#ECEBF6;
  --sk-card:#FFFFFF;
  --sk-text:#1A1730;
  --sk-text-2:#5A5677;
  --sk-text-3:#8B87A6;
  --sk-line:#E3E1F0;
  --sk-line-2:#D6D3EA;
  --sk-danger:#E4586B;
  --sk-r-sm:8px;
  --sk-r-btn:12px;
  --sk-r-card:20px;
  --sk-r-hero:28px;
  --sk-sh-sm:0 2px 8px rgba(43,33,96,.06);
  --sk-sh-md:0 8px 24px rgba(43,33,96,.10);
  --sk-sh-lg:0 18px 48px rgba(43,33,96,.16);
  --sk-sh-amber:0 10px 30px rgba(255,180,60,.22);
  --sk-ease:.22s ease;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.85;color:var(--sk-text);background:var(--sk-bg);
}
img{max-width:100%;display:block}
a{color:var(--sk-primary-2);text-decoration:none;transition:color var(--sk-ease)}
a:hover{color:var(--sk-teal-2)}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;font-weight:700;color:var(--sk-text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:3px solid rgba(47,211,180,.45);outline-offset:2px;border-radius:6px}
.sk-container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%}
@media (min-width:1400px){.sk-container{max-width:1320px}}
.section{padding:96px 0}
.section-alt{background:var(--sk-bg-2)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:30px;margin-bottom:14px}
.section-head p{color:var(--sk-text-2);font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--sk-primary-2);background:rgba(107,91,210,.10);border-radius:999px;padding:6px 14px;margin-bottom:16px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sk-teal)}
.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}
.text-link{font-size:15px;font-weight:600;color:var(--sk-primary-2);display:inline-flex;align-items:center;gap:6px}
.text-link::after{content:"→";transition:transform var(--sk-ease)}
.text-link:hover::after{transform:translateX(4px)}

/* 按钮 */
.btn-brand,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--sk-r-btn);font-size:15px;font-weight:600;border:0;cursor:pointer;transition:transform var(--sk-ease),box-shadow var(--sk-ease),background var(--sk-ease),color var(--sk-ease);white-space:nowrap}
.btn-brand{background:linear-gradient(135deg,#FFB43C,#E89A1F);color:#1A1730;box-shadow:var(--sk-sh-amber)}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(255,180,60,.32);color:#1A1730}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:transparent;border:1.5px solid var(--sk-teal);color:var(--sk-teal-2)}
.btn-ghost:hover{background:rgba(47,211,180,.08);color:var(--sk-teal-2);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm-sk{height:40px;padding:0 18px;font-size:14px}

/* 公告条 */
.promo-bar{background:linear-gradient(135deg,#1E1A46,#2B2160 55%,#14112E);color:#fff;font-size:13px;position:relative;z-index:1040}
.promo-inner{display:flex;align-items:center;gap:16px;min-height:40px;padding:6px 0}
.promo-text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:rgba(255,255,255,.88)}
.promo-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(47,211,180,.14);border:1px solid rgba(47,211,180,.35);color:#7FF0DC;border-radius:999px;padding:2px 10px;font-weight:600;flex:none}
.promo-tag i{width:7px;height:7px;border-radius:50%;background:var(--sk-teal);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.75)}}
.promo-count{font-variant-numeric:tabular-nums;font-weight:600;color:var(--sk-amber);flex:none}
.promo-close{background:transparent;border:0;color:rgba(255,255,255,.7);font-size:18px;line-height:1;padding:4px 6px;cursor:pointer;border-radius:6px;flex:none}
.promo-close:hover{color:#fff;background:rgba(255,255,255,.10)}

/* 导航 */
.sk-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--sk-line)}
.sk-nav{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#2B2160,#4A3CA8 60%,#2FD3B4);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px;letter-spacing:.5px;flex:none}
.brand-txt{display:flex;flex-direction:column;line-height:1.2}
.brand-txt strong{font-size:16px;font-weight:700;color:var(--sk-text);letter-spacing:-.01em}
.brand-txt small{font-size:11px;color:var(--sk-text-3);letter-spacing:.04em}
.nav-menu{display:flex;align-items:center;gap:28px;margin:0 auto}
.nav-menu a{font-size:15px;color:var(--sk-text-2);font-weight:500;padding:6px 0;position:relative}
.nav-menu a::after{content:"";position:absolute;left:0;right:0;bottom:-20px;height:2px;background:var(--sk-teal);transform:scaleX(0);transition:transform var(--sk-ease)}
.nav-menu a:hover{color:var(--sk-primary-2)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--sk-primary);font-weight:600}
.nav-menu a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;flex:none}
.nav-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,180,60,.18);color:#8A5A00;border-radius:999px;padding:5px 12px;font-size:12px;font-weight:600}
.nav-toggle{display:none;background:#fff;border:1px solid var(--sk-line-2);border-radius:10px;width:44px;height:44px;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--sk-text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--sk-text)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.offcanvas{background:#fff}
.offcanvas-title{font-size:16px;font-weight:700}
.oc-nav a{display:block;padding:14px 4px;font-size:16px;color:var(--sk-text);border-bottom:1px solid var(--sk-line)}
.oc-nav a.active{color:var(--sk-primary-2);font-weight:600}

/* Hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#1E1A46,#2B2160 55%,#14112E);color:#fff;padding:88px 0 72px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.26}
.hero-stars{position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.5) 1px,transparent 1px),radial-gradient(circle,rgba(255,255,255,.35) 1px,transparent 1px);background-size:180px 180px,120px 120px;background-position:0 0,60px 80px;opacity:.16}
.hero-mask{position:absolute;inset:0;background:linear-gradient(135deg,rgba(30,26,70,.72),rgba(43,33,96,.52) 55%,rgba(20,17,46,.88))}
.hero-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero h1{font-size:46px;line-height:1.22;color:#fff;margin-bottom:20px;letter-spacing:-.015em}
.hero h1 em{font-style:normal;color:var(--sk-amber)}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.80);max-width:560px;margin-bottom:32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:20px}
.hero-note{font-size:13px;color:rgba(255,255,255,.62)}
.hero-visual{position:relative}
.hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--sk-r-hero);padding:24px;backdrop-filter:blur(2px)}
.hero-card img{border-radius:18px;aspect-ratio:16/10;object-fit:cover;background:#ECEBF6;width:100%}
.hero-card-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px}
.hero-card-row strong{font-size:15px;color:#fff;font-weight:600}
.hero-card-row span{font-size:12px;color:rgba(255,255,255,.62)}
.hero-mini{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.hero-mini div{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:12px 14px}
.hero-mini b{display:block;font-size:18px;font-variant-numeric:tabular-nums;color:var(--sk-amber)}
.hero-mini small{font-size:12px;color:rgba(255,255,255,.68)}
.badge-row{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:56px}
.data-badge{background:rgba(20,17,46,.55);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:16px 18px;display:flex;align-items:center;gap:14px}
.data-badge .ic{width:36px;height:36px;border-radius:50%;background:rgba(47,211,180,.16);border:1px solid rgba(47,211,180,.4);display:flex;align-items:center;justify-content:center;color:#7FF0DC;font-size:13px;font-weight:700;flex:none}
.data-badge b{display:block;font-size:19px;font-variant-numeric:tabular-nums;color:#fff;line-height:1.3}
.data-badge small{font-size:12px;color:rgba(255,255,255,.66)}

/* 主张区 */
.pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pillar{background:var(--sk-card);border:1px solid var(--sk-line);border-radius:var(--sk-r-card);padding:32px;box-shadow:var(--sk-sh-sm);transition:transform var(--sk-ease),box-shadow var(--sk-ease),border-color var(--sk-ease)}
.pillar:hover{transform:translateY(-4px);box-shadow:var(--sk-sh-lg);border-color:rgba(107,91,210,.35)}
.pillar .ic{width:44px;height:44px;border-radius:50%;background:rgba(43,33,96,.08);color:var(--sk-primary-2);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;margin-bottom:20px}
.pillar h3{font-size:20px;margin-bottom:12px}
.pillar p{font-size:15px;color:var(--sk-text-2)}

/* 故事区 */
.story-row{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;margin-bottom:56px}
.story-row.rev{grid-template-columns:7fr 5fr}
.story-row.rev .story-media{order:2}
.story-row:last-child{margin-bottom:0}
.story-media img{border-radius:var(--sk-r-card);aspect-ratio:4/3;object-fit:cover;width:100%;background:var(--sk-bg-2);box-shadow:var(--sk-sh-md)}
.story-txt h3{font-size:24px;margin-bottom:16px}
.story-txt p{font-size:16px;color:var(--sk-text-2);margin-bottom:16px}
.story-list{display:grid;gap:10px}
.story-list li{display:flex;gap:10px;font-size:15px;color:var(--sk-text-2)}
.story-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--sk-teal);margin-top:11px;flex:none}

/* 精选内容卡 */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.f-card{background:var(--sk-card);border:1px solid var(--sk-line);border-radius:var(--sk-r-card);overflow:hidden;box-shadow:var(--sk-sh-sm);display:flex;flex-direction:column;transition:transform var(--sk-ease),box-shadow var(--sk-ease),border-color var(--sk-ease)}
.f-card:hover{transform:translateY(-4px);box-shadow:var(--sk-sh-lg);border-color:rgba(107,91,210,.35)}
.f-card .thumb{overflow:hidden;background:var(--sk-bg-2)}
.f-card .thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease}
.f-card:hover .thumb img{transform:scale(1.03)}
.f-card .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.f-card h3{font-size:19px}
.f-card p{font-size:14px;color:var(--sk-text-2)}
.f-card .meta{margin-top:auto;font-size:13px;color:var(--sk-text-3);display:flex;gap:10px;align-items:center}
.f-card-lg{grid-column:span 2;flex-direction:row}
.f-card-lg .thumb{flex:1.15;min-height:300px}
.f-card-lg .thumb img{height:100%;aspect-ratio:auto;min-height:300px}
.f-card-lg .body{flex:1;padding:32px}
.f-card-lg h3{font-size:24px}
.chip{display:inline-flex;align-items:center;font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;background:rgba(107,91,210,.10);color:var(--sk-primary-2)}
.chip-amber{background:rgba(255,180,60,.20);color:#8A5A00}
.chip-teal{background:rgba(47,211,180,.16);color:#0F7F6B}

/* 资讯列表 */
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--sk-card);border:1px solid var(--sk-line);border-radius:var(--sk-r-card);padding:26px;box-shadow:var(--sk-sh-sm);display:flex;flex-direction:column;gap:12px;transition:transform var(--sk-ease),box-shadow var(--sk-ease),border-color var(--sk-ease);min-height:180px}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sk-sh-lg);border-color:rgba(107,91,210,.35)}
.news-card h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card h3 a{color:var(--sk-text)}
.news-card h3 a:hover{color:var(--sk-primary-2)}
.news-card .sum{font-size:14px;color:var(--sk-text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--sk-text-3);padding-top:12px;border-top:1px solid var(--sk-line)}
.news-meta .go{font-weight:600;color:var(--sk-primary-2);white-space:nowrap}
.news-empty{grid-column:1/-1;min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:var(--sk-card);border:1px dashed var(--sk-line-2);border-radius:var(--sk-r-card);text-align:center;padding:32px}
.news-empty .ic{width:48px;height:48px;border-radius:50%;border:1.5px solid var(--sk-line-2);display:flex;align-items:center;justify-content:center;color:var(--sk-text-3)}
.news-empty p{color:var(--sk-text-2);font-size:15px}

/* 信任区 */
.trust-band{background:linear-gradient(135deg,#1E1A46,#2B2160 55%,#14112E);color:#fff;padding:88px 0;position:relative;overflow:hidden}
.trust-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.42) 1px,transparent 1px);background-size:150px 150px;opacity:.14}
.trust-inner{position:relative;z-index:1}
.trust-band h2{color:#fff;font-size:30px;margin-bottom:14px}
.trust-band .lead{color:rgba(255,255,255,.74);max-width:720px;font-size:16px}
.trust-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:40px 0 44px}
.trust-stat{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);border-radius:16px;padding:18px 20px}
.trust-stat b{display:block;font-size:24px;font-variant-numeric:tabular-nums;color:var(--sk-amber);line-height:1.3}
.trust-stat small{font-size:13px;color:rgba(255,255,255,.72)}
.partner-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.partner{height:64px;border-radius:14px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);display:flex;align-items:center;justify-content:center;font-size:13px;color:rgba(255,255,255,.72);transition:background var(--sk-ease),border-color var(--sk-ease)}
.partner:hover{background:rgba(47,211,180,.12);border-color:rgba(47,211,180,.4)}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{background:var(--sk-card);border:1px solid var(--sk-line);border-radius:16px;box-shadow:var(--sk-sh-sm);overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:17px;font-weight:600;color:var(--sk-text)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item .plus{width:26px;height:26px;border-radius:50%;background:rgba(43,33,96,.07);color:var(--sk-primary-2);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;flex:none;transition:transform .25s ease}
.faq-item[open] .plus{transform:rotate(45deg)}
.faq-item .ans{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--sk-text-2)}
.faq-item .ans p{background:var(--sk-bg);border-radius:12px;padding:16px 18px}

/* CTA */
.cta-band{background:linear-gradient(135deg,#1E1A46,#2B2160 55%,#14112E);border-radius:var(--sk-r-hero);padding:56px;color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.4) 1px,transparent 1px);background-size:140px 140px;opacity:.12}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.76);font-size:15px;margin-bottom:24px}
.sub-form{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--sk-r-card);padding:26px}
.sub-form label{display:block;font-size:14px;font-weight:600;color:rgba(255,255,255,.88);margin-bottom:8px}
.sub-form input{width:100%;height:48px;border-radius:var(--sk-r-btn);border:1px solid rgba(255,255,255,.22);background:rgba(20,17,46,.35);color:#fff;padding:0 16px;font-size:15px;transition:border-color var(--sk-ease)}
.sub-form input::placeholder{color:rgba(255,255,255,.45)}
.sub-form input:focus{outline:none;border:2px solid var(--sk-teal)}
.sub-form .row2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:18px}
.sub-form .tip{font-size:13px;color:rgba(255,255,255,.6);margin-top:12px}
.sub-form .err{font-size:13px;color:#FF9AA8;margin-top:8px;display:none}

/* 页脚 */
.site-footer{background:linear-gradient(135deg,#1E1A46,#2B2160 55%,#14112E);color:rgba(255,255,255,.74);padding:72px 0 0;position:relative;overflow:hidden}
.site-footer::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.4) 1px,transparent 1px);background-size:160px 160px;opacity:.12;pointer-events:none}
.footer-inner{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-grid h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600}
.footer-grid li{margin-bottom:10px}
.footer-grid a{color:rgba(255,255,255,.74);font-size:14px}
.footer-grid a:hover{color:var(--sk-teal)}
.footer-brand .brand-txt strong{color:#fff}
.footer-brand .brand-txt small{color:rgba(255,255,255,.5)}
.footer-desc{font-size:13px;color:rgba(255,255,255,.6);margin-top:14px;line-height:1.8}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.58)}
.to-top{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#FFB43C,#E89A1F);border:0;color:#1A1730;font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform var(--sk-ease),box-shadow var(--sk-ease);box-shadow:var(--sk-sh-amber)}
.to-top:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(255,180,60,.34)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.72)}

/* 响应式 */
@media (max-width:1199px){
  .hero h1{font-size:40px}
  .partner-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .nav-menu{display:none}
  .nav-toggle{display:flex}
  .nav-right .btn-brand{display:none}
  .hero{padding:64px 0 56px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:34px}
  .badge-row{grid-template-columns:repeat(2,1fr);margin-top:40px}
  .pillar-grid{grid-template-columns:1fr}
  .story-row,.story-row.rev{grid-template-columns:1fr;gap:24px}
  .story-row.rev .story-media{order:0}
  .feature-grid{grid-template-columns:1fr 1fr}
  .f-card-lg{grid-column:span 2;flex-direction:column}
  .f-card-lg .thumb{flex:none;min-height:0}
  .f-card-lg .thumb img{min-height:0;aspect-ratio:16/10;height:auto}
  .news-list{grid-template-columns:1fr 1fr}
  .trust-stats{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:40px 28px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .sk-container{padding:0 16px}
  .section{padding:56px 0}
  .section-head h2,.trust-band h2,.cta-band h2{font-size:24px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:16px}
  .hero-cta .btn-brand,.hero-cta .btn-ghost{flex:1 1 100%}
  .feature-grid{grid-template-columns:1fr}
  .f-card-lg{grid-column:span 1}
  .news-list{grid-template-columns:1fr}
  .partner-grid{grid-template-columns:repeat(2,1fr)}
  .sub-form .row2{grid-template-columns:1fr}
  .promo-text{display:none}
  .promo-inner{justify-content:space-between}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:575px){
  .badge-row{grid-template-columns:1fr}
  .trust-stats{grid-template-columns:1fr}
  .brand-txt small{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: article */
:root{
  --sk-night:#14112E;
  --sk-night-2:#1E1A46;
  --sk-primary:#2B2160;
  --sk-primary-2:#4A3CA8;
  --sk-primary-3:#6B5BD2;
  --sk-teal:#2FD3B4;
  --sk-teal-d:#17A88E;
  --sk-amber:#FFB43C;
  --sk-amber-d:#E89A1F;
  --sk-bg:#F6F5FB;
  --sk-bg-2:#ECEBF6;
  --sk-card:#FFFFFF;
  --sk-text:#1A1730;
  --sk-text-2:#5A5677;
  --sk-text-3:#8B87A6;
  --sk-line:#E3E1F0;
  --sk-line-2:#D6D3EA;
  --sk-warn:#E4586B;
  --sk-r-sm:8px;
  --sk-r-md:12px;
  --sk-r-lg:20px;
  --sk-r-xl:28px;
  --sk-r-pill:999px;
  --sk-sh-sm:0 2px 8px rgba(43,33,96,.06);
  --sk-sh-md:0 8px 24px rgba(43,33,96,.10);
  --sk-sh-lg:0 18px 48px rgba(43,33,96,.16);
  --sk-sh-amber:0 10px 30px rgba(255,180,60,.22);
  --sk-grad-night:linear-gradient(135deg,#1E1A46 0%,#2B2160 55%,#14112E 100%);
  --sk-grad-amber:linear-gradient(135deg,#FFB43C 0%,#E89A1F 100%);
  --sk-font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sk-font);
  font-size:16px;
  line-height:1.85;
  color:var(--sk-text);
  background:var(--sk-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--sk-primary-2);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--sk-teal-d)}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--sk-text);line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
:focus-visible{outline:3px solid rgba(47,211,180,.35);outline-offset:2px;border-radius:6px}
.sk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1400px){.sk-container{max-width:1320px}}
.sk-section{padding:96px 0}
.sk-section--alt{background:var(--sk-bg-2)}
.sk-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--sk-primary-2);background:rgba(107,91,210,.10);
  border-radius:var(--sk-r-pill);padding:6px 14px;margin-bottom:16px;
}
.sk-h2{font-size:30px;margin-bottom:14px}
.sk-lead{color:var(--sk-text-2);font-size:16px}
.sk-section-head{max-width:720px;margin-bottom:44px}
.sk-section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--sk-r-md);
  background:var(--sk-grad-amber);color:#1A1730;font-weight:600;font-size:15px;
  box-shadow:var(--sk-sh-amber);border:0;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#1A1730;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 14px 34px rgba(255,180,60,.32)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--sk-r-md);
  border:1.5px solid var(--sk-teal);color:var(--sk-teal-d);background:transparent;
  font-weight:600;font-size:15px;white-space:nowrap;
  transition:background .2s ease,transform .2s ease,color .2s ease;
}
.btn-ghost:hover{background:rgba(47,211,180,.10);color:var(--sk-teal-d);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost--light{border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost--light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-sm-sk{height:42px;padding:0 20px;font-size:14px;border-radius:10px}
.link-arrow{font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;color:var(--sk-primary-2)}
.link-arrow:hover{gap:10px}

/* ---------- 顶部导航 ---------- */
.sk-header{
  position:sticky;top:0;z-index:1040;
  background:#fff;border-bottom:1px solid var(--sk-line);
  box-shadow:0 1px 0 rgba(43,33,96,.02);
}
.sk-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:var(--sk-grad-night);color:#fff;font-weight:700;font-size:18px;
  box-shadow:0 6px 16px rgba(43,33,96,.28);
}
.brand-txt{display:flex;flex-direction:column;line-height:1.25}
.brand-txt strong{font-size:16px;font-weight:700;color:var(--sk-text);letter-spacing:-.01em}
.brand-txt small{font-size:11px;color:var(--sk-text-3);letter-spacing:.04em}
a.brand:hover .brand-txt strong{color:var(--sk-primary-2)}
.nav-menu{display:flex;align-items:center;gap:28px;flex:1 1 auto;justify-content:center}
.nav-menu a{
  position:relative;font-size:15px;font-weight:500;color:var(--sk-text-2);
  padding:6px 2px;white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--sk-teal);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-menu a:hover{color:var(--sk-primary)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--sk-primary);font-weight:600}
.nav-menu a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.nav-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--sk-amber);color:#1A1730;font-size:12.5px;font-weight:600;
  border-radius:var(--sk-r-pill);padding:6px 13px;white-space:nowrap;
}
.nav-badge::before{
  content:"";width:6px;height:6px;border-radius:50%;background:#1A1730;
  animation:skPulse 1.8s ease-in-out infinite;
}
@keyframes skPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--sk-r-md);
  border:1px solid var(--sk-line);align-items:center;justify-content:center;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--sk-text);border-radius:2px;
  position:relative;transition:background .2s ease;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--sk-text);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.sk-drawer{width:300px;background:#fff}
.sk-drawer .offcanvas-header{border-bottom:1px solid var(--sk-line);padding:18px 22px}
.sk-drawer .offcanvas-title{font-size:16px;font-weight:700}
.sk-drawer .offcanvas-body{padding:18px 22px 28px;display:flex;flex-direction:column;gap:6px}
.drawer-link{
  display:block;padding:13px 14px;border-radius:var(--sk-r-md);
  font-size:15px;font-weight:500;color:var(--sk-text-2);background:var(--sk-bg);
}
.drawer-link:hover{background:rgba(107,91,210,.10);color:var(--sk-primary)}
.drawer-link.active{background:rgba(47,211,180,.14);color:var(--sk-teal-d);font-weight:600}
.drawer-cta{width:100%;margin-top:14px}

/* ---------- 面包屑 ---------- */
.sk-crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--sk-text-3);padding-top:24px;
}
.sk-crumb a{color:var(--sk-text-3)}
.sk-crumb a:hover{color:var(--sk-teal-d)}
.sk-crumb .sep{color:var(--sk-line-2)}
.sk-crumb .current{color:var(--sk-primary);font-weight:600}

/* ---------- 文章头图 ---------- */
.article-hero{
  position:relative;margin-top:20px;border-radius:var(--sk-r-xl);
  background:var(--sk-grad-night);color:#fff;overflow:hidden;
  padding:56px 48px 60px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.16;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 22%,#fff 50%,transparent 52%),
    radial-gradient(1.4px 1.4px at 78% 18%,#fff 50%,transparent 52%),
    radial-gradient(1.8px 1.8px at 62% 72%,#fff 50%,transparent 52%),
    radial-gradient(1.2px 1.2px at 30% 82%,#fff 50%,transparent 52%),
    radial-gradient(1.4px 1.4px at 90% 58%,#fff 50%,transparent 52%),
    radial-gradient(1.2px 1.2px at 46% 40%,#fff 50%,transparent 52%);
}
.article-hero > *{position:relative;z-index:1}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(47,211,180,.16);color:#5FF0D6;border:1px solid rgba(47,211,180,.35);
  font-size:12.5px;font-weight:600;border-radius:var(--sk-r-pill);padding:6px 14px;margin-bottom:20px;
}
.article-hero h1{
  font-size:42px;line-height:1.28;color:#fff;max-width:900px;margin-bottom:22px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13.5px;color:rgba(255,255,255,.72);
}
.hero-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4)}
.hero-meta time{font-variant-numeric:tabular-nums}
.hero-meta .src{color:#FFD48A;font-weight:600}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--sk-r-md);padding:10px 16px;
}
.hero-badge b{font-size:19px;font-variant-numeric:tabular-nums;color:#fff}
.hero-badge span{font-size:12px;color:rgba(255,255,255,.66)}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,800px) 300px;
  gap:40px;align-items:start;padding:56px 0 8px;
}
.article-main{min-width:0}
.article-body{
  background:var(--sk-card);border:1px solid var(--sk-line);
  border-radius:var(--sk-r-lg);box-shadow:var(--sk-sh-md);
  padding:44px 46px;color:#2E2B49;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em;font-size:16px;line-height:1.85;color:#2E2B49}
.article-body h2{
  font-size:24px;margin:40px 0 16px;padding-left:16px;
  border-left:4px solid var(--sk-teal);
}
.article-body h3{font-size:19px;margin:28px 0 12px;color:var(--sk-text)}
.article-body h4{font-size:17px;margin:22px 0 10px;color:var(--sk-text)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:24px}
.article-body ul li{list-style:disc;line-height:1.9;margin-bottom:6px;font-size:15.5px}
.article-body ol li{list-style:decimal;line-height:1.9;margin-bottom:6px;font-size:15.5px}
.article-body blockquote{
  margin:24px 0;padding:20px 24px;background:var(--sk-bg);
  border-left:4px solid var(--sk-amber);border-radius:var(--sk-r-md);
  color:var(--sk-text-2);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--sk-r-md);margin:24px auto}
.article-body a{color:var(--sk-primary-2);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--sk-teal-d)}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{
  border:1px solid var(--sk-line);padding:12px 16px;text-align:left;
}
.article-body th{background:rgba(107,91,210,.08);font-weight:600;color:var(--sk-primary)}
.article-body code{
  background:var(--sk-bg-2);border-radius:6px;padding:2px 7px;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body hr{border:0;border-top:1px solid var(--sk-line);margin:36px 0}
.article-empty{
  background:var(--sk-card);border:1px solid var(--sk-line);border-radius:var(--sk-r-lg);
  box-shadow:var(--sk-sh-md);padding:72px 40px;text-align:center;
}
.article-empty .empty-mark{
  width:64px;height:64px;border-radius:50%;margin:0 auto 20px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(107,91,210,.10);color:var(--sk-primary-2);font-size:26px;font-weight:700;
}
.article-empty h2{font-size:22px;margin-bottom:10px}
.article-empty p{color:var(--sk-text-2);margin-bottom:24px}

/* ---------- 文章尾部标签 ---------- */
.article-foot{
  background:var(--sk-card);border:1px solid var(--sk-line);border-radius:var(--sk-r-lg);
  box-shadow:var(--sk-sh-sm);padding:26px 30px;margin-top:24px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-list span{
  display:inline-block;background:rgba(107,91,210,.10);color:var(--sk-primary-2);
  font-size:13px;font-weight:600;border-radius:var(--sk-r-pill);padding:6px 14px;
}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--sk-card);border:1px solid var(--sk-line);
  border-radius:var(--sk-r-lg);box-shadow:var(--sk-sh-sm);padding:24px;
}
.side-card h3{font-size:16px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--sk-line)}
.side-links{display:flex;flex-direction:column;gap:4px}
.side-links a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  font-size:14.5px;color:var(--sk-text-2);background:var(--sk-bg);
}
.side-links a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sk-teal);flex:0 0 auto}
.side-links a:hover{background:rgba(107,91,210,.10);color:var(--sk-primary)}
.hot-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--sk-line);align-items:flex-start}
.hot-item:last-child{border-bottom:0;padding-bottom:0}
.hot-item .num{
  width:24px;height:24px;border-radius:8px;flex:0 0 auto;margin-top:2px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(107,91,210,.10);color:var(--sk-primary-2);font-size:12px;font-weight:700;
}
.hot-item a{font-size:14.5px;color:var(--sk-text);font-weight:500;line-height:1.6}
.hot-item a:hover{color:var(--sk-primary-2)}
.side-card--dark{
  background:var(--sk-grad-night);border-color:transparent;color:#fff;
}
.side-card--dark h3{color:#fff;border-bottom-color:rgba(255,255,255,.16)}
.side-card--dark p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:18px}
.side-card--dark .btn-brand{width:100%}

/* ---------- 相关推荐 ---------- */
.article-related{padding:64px 0 0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.rel-card{
  display:flex;flex-direction:column;background:var(--sk-card);
  border:1px solid var(--sk-line);border-radius:var(--sk-r-lg);
  box-shadow:var(--sk-sh-md);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sk-sh-lg);border-color:rgba(107,91,210,.35)}
.rel-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--sk-bg-2)}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .thumb img{transform:scale(1.03)}
.rel-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;line-height:1.5}
.rel-body p{font-size:14px;color:var(--sk-text-2);line-height:1.75;flex:1}
.rel-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--sk-text-3)}
.chip{
  display:inline-block;background:rgba(107,91,210,.10);color:var(--sk-primary-2);
  font-size:12px;font-weight:600;border-radius:var(--sk-r-pill);padding:4px 12px;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  margin:80px 0 0;background:var(--sk-grad-night);color:#fff;
  position:relative;overflow:hidden;border-radius:var(--sk-r-xl);
  padding:56px 56px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.15;pointer-events:none;
  background-image:
    radial-gradient(1.5px 1.5px at 20% 30%,#fff 50%,transparent 52%),
    radial-gradient(1.3px 1.3px at 70% 22%,#fff 50%,transparent 52%),
    radial-gradient(1.7px 1.7px at 55% 78%,#fff 50%,transparent 52%),
    radial-gradient(1.2px 1.2px at 88% 60%,#fff 50%,transparent 52%);
}
.cta-band .cta-inner{
  position:relative;z-index:1;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{font-size:28px;color:#fff;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.74);font-size:15.5px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;background:var(--sk-grad-night);color:rgba(255,255,255,.72);
  position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;opacity:.14;pointer-events:none;
  background-image:
    radial-gradient(1.4px 1.4px at 8% 24%,#fff 50%,transparent 52%),
    radial-gradient(1.2px 1.2px at 32% 68%,#fff 50%,transparent 52%),
    radial-gradient(1.6px 1.6px at 58% 18%,#fff 50%,transparent 52%),
    radial-gradient(1.2px 1.2px at 76% 74%,#fff 50%,transparent 52%),
    radial-gradient(1.3px 1.3px at 92% 36%,#fff 50%,transparent 52%);
}
.footer-inner{position:relative;z-index:1;padding:72px 20px 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(255,255,255,.10);box-shadow:none}
.footer-brand .brand-txt strong{color:#fff}
.footer-brand .brand-txt small{color:rgba(255,255,255,.5)}
.footer-desc{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:330px}
.footer-grid h4{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-grid ul li{margin-bottom:10px}
.footer-grid ul a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-grid ul a:hover{color:var(--sk-teal)}
.footer-contact li{font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.8}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.to-top{
  width:44px;height:44px;border-radius:50%;background:var(--sk-grad-amber);
  color:#1A1730;font-size:18px;font-weight:700;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sk-sh-amber);transition:transform .2s ease;
}
.to-top:hover{transform:translateY(-3px)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:28px}
  .article-hero h1{font-size:36px}
}
@media (max-width:991px){
  .nav-menu{display:none}
  .nav-toggle{display:flex}
  .nav-badge{display:none}
  .sk-nav{height:64px}
  .article-layout{grid-template-columns:minmax(0,1fr);padding-top:40px}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;display:none}
  .article-hero{padding:44px 32px 48px}
  .article-hero h1{font-size:31px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .sk-section{padding:72px 0}
  .cta-band{padding:44px 36px}
}
@media (max-width:767px){
  .sk-h2{font-size:24px}
  .article-body{padding:30px 22px}
  .article-body h2{font-size:21px;margin-top:32px}
  .article-hero{padding:36px 22px 40px;border-radius:var(--sk-r-lg)}
  .article-hero h1{font-size:27px}
  .article-foot{padding:22px}
  .related-grid{grid-template-columns:1fr}
  .cta-band{border-radius:var(--sk-r-lg);padding:36px 24px}
  .cta-band h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .sk-section{padding:56px 0}
  .footer-inner{padding:56px 20px 24px}
  .hero-badge{padding:9px 13px}
  .hero-badge b{font-size:17px}
}
@media (max-width:520px){
  .sk-container{padding:0 16px}
  .brand-txt strong{font-size:15px}
  .article-body{padding:24px 18px}
  .btn-brand,.btn-ghost{width:100%}
  .cta-actions{width:100%}
  .hero-meta{font-size:12.5px;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: category1 */
:root{
  --sk-night:#14112E;
  --sk-night-2:#1E1A46;
  --sk-primary:#2B2160;
  --sk-primary-2:#4A3CA8;
  --sk-primary-3:#6B5BD2;
  --sk-teal:#2FD3B4;
  --sk-teal-d:#17A88E;
  --sk-amber:#FFB43C;
  --sk-amber-d:#E89A1F;
  --sk-bg:#F6F5FB;
  --sk-bg-2:#ECEBF6;
  --sk-card:#FFFFFF;
  --sk-text:#1A1730;
  --sk-text-2:#5A5677;
  --sk-text-3:#8B87A6;
  --sk-line:#E3E1F0;
  --sk-line-2:#D6D3EA;
  --sk-danger:#E4586B;
  --sk-success:#17A88E;
  --r-s:8px;
  --r-m:12px;
  --r-l:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-s:0 2px 8px rgba(43,33,96,.06);
  --sh-m:0 8px 24px rgba(43,33,96,.10);
  --sh-l:0 18px 48px rgba(43,33,96,.16);
  --sh-amber:0 10px 30px rgba(255,180,60,.22);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px;
  --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--sk-text);
  background:var(--sk-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--sk-primary-2);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--sk-teal-d);}
h1,h2,h3,h4{margin:0;color:var(--sk-text);font-weight:700;letter-spacing:-0.01em;}
p{margin:0 0 var(--sp-5);}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(47,211,180,.35);outline-offset:2px;border-radius:var(--r-s);}
.sk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.sk-container{max-width:1320px;}}

/* ============ 头部导航 ============ */
.sk-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--sk-line);
  box-shadow:0 1px 0 rgba(43,33,96,.03);
}
.sk-nav{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--sk-primary-2),var(--sk-primary));
  color:#fff;font-weight:700;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-s);
}
.brand-txt{display:flex;flex-direction:column;line-height:1.2;}
.brand-txt strong{font-size:16px;font-weight:700;color:var(--sk-text);letter-spacing:0;}
.brand-txt small{font-size:11px;color:var(--sk-text-3);letter-spacing:.02em;}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:12px;}
.nav-menu a{
  position:relative;font-size:15px;color:var(--sk-text-2);font-weight:500;
  padding:6px 0;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--sk-teal);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-menu a:hover{color:var(--sk-primary);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--sk-primary);font-weight:600;}
.nav-menu a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-badge{
  font-size:12px;font-weight:600;color:#1A1730;
  background:var(--sk-amber);border-radius:var(--r-pill);
  padding:5px 12px;white-space:nowrap;
}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;border:0;border-radius:var(--r-m);
  background:linear-gradient(135deg,var(--sk-amber),var(--sk-amber-d));
  color:#1A1730;font-size:15px;font-weight:600;white-space:nowrap;
  box-shadow:var(--sh-amber);transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#1A1730;transform:translateY(-2px);box-shadow:0 14px 34px rgba(255,180,60,.32);}
.btn-brand:active{transform:translateY(0);}
.btn-sm-sk{height:40px;padding:0 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;border-radius:var(--r-m);
  border:1.5px solid var(--sk-teal);color:var(--sk-teal-d);
  background:transparent;font-size:15px;font-weight:600;
  transition:background .2s ease,transform .2s ease,color .2s ease;
}
.btn-ghost:hover{background:rgba(47,211,180,.08);color:var(--sk-teal-d);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--sk-line);
  border-radius:var(--r-m);background:#fff;position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:12px;width:20px;height:2px;background:var(--sk-primary);border-radius:2px;
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{content:"";top:-6px;left:0;}
.nav-toggle span::after{content:"";top:6px;left:0;}
@media (max-width:991px){
  .nav-menu,.nav-right .nav-badge,.nav-right .btn-brand{display:none;}
  .nav-toggle{display:block;}
  .sk-nav{height:60px;}
}
/* offcanvas */
.offcanvas{border:0;}
.sk-offcanvas{background:#fff;}
.sk-offcanvas .offcanvas-header{border-bottom:1px solid var(--sk-line);padding:18px 20px;}
.sk-offcanvas .offcanvas-body{padding:20px;}
.sk-offcanvas .m-list a{
  display:block;padding:14px 4px;font-size:16px;color:var(--sk-text);
  border-bottom:1px solid var(--sk-line);
}
.sk-offcanvas .m-list a.active{color:var(--sk-primary);font-weight:600;}
.sk-offcanvas .btn-brand{width:100%;margin-top:20px;}

/* ============ 页面通用 ============ */
.sk-section{padding:96px 0;}
.sk-section--tight{padding:64px 0;}
.sec-head{max-width:760px;margin-bottom:var(--sp-7);}
.sec-head h2{font-size:30px;line-height:1.3;margin-bottom:var(--sp-3);}
.sec-head p{color:var(--sk-text-2);font-size:16px;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--sk-primary-2);background:rgba(107,91,210,.10);
  border-radius:var(--r-pill);padding:5px 14px;margin-bottom:var(--sp-4);
}
.breadcrumb-bar{
  padding-top:24px;
}
.sk-breadcrumb{font-size:13px;color:var(--sk-text-2);display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.sk-breadcrumb a{color:var(--sk-text-2);}
.sk-breadcrumb a:hover{color:var(--sk-teal-d);}
.sk-breadcrumb .sep{color:var(--sk-text-3);}
.sk-breadcrumb .cur{color:var(--sk-primary-2);font-weight:600;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#1E1A46 0%,#2B2160 52%,#14112E 100%);
  border-radius:var(--r-xl);
  padding:56px 48px;
  color:#fff;
  margin-top:24px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 24%, rgba(255,255,255,.55) 50%, transparent 52%),
    radial-gradient(1.5px 1.5px at 34% 68%, rgba(255,255,255,.38) 50%, transparent 52%),
    radial-gradient(1.5px 1.5px at 62% 18%, rgba(255,255,255,.45) 50%, transparent 52%),
    radial-gradient(1.5px 1.5px at 84% 56%, rgba(255,255,255,.40) 50%, transparent 52%),
    radial-gradient(1.5px 1.5px at 48% 88%, rgba(255,255,255,.32) 50%, transparent 52%),
    radial-gradient(1.5px 1.5px at 92% 26%, rgba(255,255,255,.30) 50%, transparent 52%);
  opacity:.18;pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center;}
.cat-hero h1{font-size:40px;line-height:1.25;color:#fff;margin-bottom:var(--sp-4);}
.cat-hero p{color:rgba(255,255,255,.78);font-size:16px;margin-bottom:var(--sp-6);max-width:560px;}
.cat-hero .hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cat-hero .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.cat-hero .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:var(--sp-6);}
.hero-chip{
  font-size:12px;font-weight:600;color:rgba(255,255,255,.88);
  border:1px solid rgba(255,255,255,.22);border-radius:var(--r-pill);
  padding:5px 13px;background:rgba(255,255,255,.06);
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-l);border:1px solid rgba(255,255,255,.18);
}
.hero-visual .float-card{
  position:absolute;left:-18px;bottom:-18px;
  background:#fff;border-radius:var(--r-m);padding:12px 18px;
  box-shadow:var(--sh-l);display:flex;align-items:center;gap:10px;
}
.hero-visual .float-card .dot{
  width:8px;height:8px;border-radius:50%;background:var(--sk-teal);
  box-shadow:0 0 0 4px rgba(47,211,180,.18);
}
.hero-visual .float-card span{font-size:13px;color:var(--sk-text);font-weight:600;}
@media (max-width:991px){
  .cat-hero{padding:40px 24px;}
  .cat-hero-inner{grid-template-columns:1fr;gap:28px;}
  .cat-hero h1{font-size:30px;}
  .hero-visual{order:-1;}
  .hero-visual .float-card{left:12px;bottom:-14px;}
}
@media (max-width:575px){
  .cat-hero h1{font-size:26px;}
  .cat-hero p{font-size:15px;}
}

/* ============ 三步入场卡片 ============ */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step-card{
  background:var(--sk-card);border:1px solid var(--sk-line);
  border-radius:var(--r-l);padding:32px 28px;box-shadow:var(--sh-m);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-l);border-color:rgba(107,91,210,.35);}
.step-icon{
  width:48px;height:48px;border-radius:50%;
  background:rgba(107,91,210,.10);color:var(--sk-primary-2);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:18px;margin-bottom:var(--sp-5);
}
.step-card h3{font-size:20px;margin-bottom:var(--sp-3);}
.step-card p{color:var(--sk-text-2);font-size:15px;margin:0;}
@media (max-width:991px){.step-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:767px){.step-grid{grid-template-columns:1fr;}}

/* ============ 目录 + 长文 ============ */
.guide-layout{display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:start;}
.side-toc{
  position:sticky;top:96px;
  background:var(--sk-card);border:1px solid var(--sk-line);
  border-radius:var(--r-l);padding:24px;box-shadow:var(--sh-s);
}
.side-toc h4{font-size:14px;color:var(--sk-text-3);font-weight:600;letter-spacing:.06em;margin-bottom:var(--sp-4);}
.side-toc ol{counter-reset:toc;display:flex;flex-direction:column;gap:2px;}
.side-toc a{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--sk-text-2);padding:9px 10px;border-radius:var(--r-s);
  line-height:1.55;transition:background .2s ease,color .2s ease;
}
.side-toc a:hover{background:var(--sk-bg);color:var(--sk-primary-2);}
.side-toc .toc-cta{
  margin-top:var(--sp-5);padding-top:var(--sp-5);border-top:1px dashed var(--sk-line);
}
.side-toc .toc-cta .btn-brand{width:100%;height:44px;font-size:14px;}
.guide-body{background:var(--sk-card);border:1px solid var(--sk-line);border-radius:var(--r-l);padding:48px;box-shadow:var(--sh-s);}
.guide-sec{padding-bottom:40px;margin-bottom:40px;border-bottom:1px solid var(--sk-line);scroll-margin-top:110px;}
.guide-sec:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.guide-sec h2{
  display:flex;align-items:center;gap:14px;
  font-size:26px;line-height:1.35;margin-bottom:var(--sp-4);
}
.sec-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;
  background:var(--sk-primary-2);color:#fff;font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.guide-sec h3{font-size:19px;margin:28px 0 12px;}
.guide-sec p{color:var(--sk-text-2);font-size:16px;margin-bottom:var(--sp-4);}
.guide-sec p strong{color:var(--sk-text);font-weight:600;}
.guide-list{display:flex;flex-direction:column;gap:12px;margin:0 0 var(--sp-5);}
.guide-list li{
  position:relative;padding-left:22px;color:var(--sk-text-2);font-size:15px;line-height:1.8;
}
.guide-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:50%;
  background:var(--sk-teal);opacity:.85;
}
.note-box{
  background:var(--sk-bg);border-left:4px solid var(--sk-amber);
  border-radius:var(--r-m);padding:18px 22px;margin:var(--sp-5) 0;
  font-size:15px;color:var(--sk-text-2);
}
.note-box strong{color:var(--sk-text);}
.inline-figure{margin:var(--sp-6) 0;}
.inline-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-m);background:var(--sk-bg-2);}
.inline-figure figcaption{font-size:13px;color:var(--sk-text-3);margin-top:10px;text-align:center;}
@media (max-width:991px){
  .guide-layout{grid-template-columns:1fr;gap:32px;}
  .side-toc{position:static;}
  .guide-body{padding:32px 22px;}
  .guide-sec h2{font-size:22px;}
}

/* ============ 数据徽章 ============ */
.badge-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-bottom:var(--sp-7);
}
.data-badge{
  background:var(--sk-night-2);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-l);padding:22px 22px;
  display:flex;align-items:center;gap:14px;
}
.data-badge .db-icon{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  background:rgba(47,211,180,.14);color:var(--sk-teal);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.data-badge .db-num{
  font-size:19px;font-weight:700;color:#fff;line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.data-badge .db-label{font-size:12px;color:rgba(255,255,255,.60);}
@media (max-width:991px){.badge-strip{grid-template-columns:1fr 1fr;}}
@media (max-width:575px){.badge-strip{grid-template-columns:1fr;}}

/* ============ 表格 ============ */
.sk-table-wrap{
  background:var(--sk-card);border:1px solid var(--sk-line);
  border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-s);
}
table.sk-table{width:100%;border-collapse:collapse;margin:0;}
table.sk-table thead th{
  background:#F0EEF9;color:var(--sk-primary);font-size:14px;font-weight:600;
  text-align:left;padding:16px 20px;border-bottom:1px solid var(--sk-line);
  white-space:nowrap;
}
table.sk-table tbody td{
  padding:16px 20px;font-size:15px;color:var(--sk-text-2);
  border-bottom:1px solid var(--sk-line);vertical-align:top;
}
table.sk-table tbody tr:last-child td{border-bottom:0;}
table.sk-table tbody td:first-child{color:var(--sk-text);font-weight:600;}
.table-scroll{overflow-x:auto;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--sk-card);border:1px solid var(--sk-line);
  border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-s);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--sk-line-2);box-shadow:var(--sh-m);}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;font-size:18px;font-weight:600;color:var(--sk-text);
  cursor:pointer;line-height:1.5;
}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  background:rgba(107,91,210,.10);color:var(--sk-primary-2);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:400;line-height:1;
  transition:transform .25s ease,background .25s ease;
}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);background:var(--sk-amber);color:#1A1730;}
.faq-a{padding:0 24px 22px;}
.faq-a .inner{
  background:var(--sk-bg);border-radius:var(--r-m);padding:16px 18px;
  font-size:15px;line-height:1.8;color:var(--sk-text-2);
}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#1E1A46 0%,#2B2160 55%,#14112E 100%);
  border-radius:var(--r-xl);padding:64px 56px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
  color:#fff;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(1.5px 1.5px at 16% 30%, rgba(255,255,255,.5) 50%, transparent 52%),
    radial-gradient(1.5px 1.5px at 42% 72%, rgba(255,255,255,.36) 50%, transparent 52%),
    radial-gradient(1.5px 1.5px at 72% 22%, rgba(255,255,255,.42) 50%, transparent 52%),
    radial-gradient(1.5px 1.5px at 88% 62%, rgba(255,255,255,.34) 50%, transparent 52%);
  opacity:.18;pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:30px;line-height:1.3;margin-bottom:var(--sp-4);}
.cta-band p{color:rgba(255,255,255,.78);font-size:16px;margin-bottom:0;}
.cta-form{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-l);padding:28px;
}
.cta-form label{display:block;font-size:14px;font-weight:600;color:#fff;margin-bottom:8px;}
.cta-form .field{margin-bottom:16px;}
.cta-form input{
  width:100%;height:48px;padding:0 16px;font-size:15px;color:var(--sk-text);
  background:#fff;border:1px solid transparent;border-radius:var(--r-m);
}
.cta-form input:focus{outline:none;border-color:var(--sk-teal);box-shadow:0 0 0 2px rgba(47,211,180,.55);}
.cta-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.cta-form .hint{font-size:13px;color:rgba(255,255,255,.62);margin:12px 0 0;}
.cta-form .err{font-size:13px;color:#FFC3CB;margin:6px 0 0;display:none;}
.cta-form .btn-brand{width:100%;}
.cta-links{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px;}
.cta-links a{color:rgba(255,255,255,.85);font-size:14px;border-bottom:1px solid rgba(255,255,255,.3);padding-bottom:2px;}
.cta-links a:hover{color:var(--sk-teal);border-color:var(--sk-teal);}
@media (max-width:991px){
  .cta-band{grid-template-columns:1fr;gap:32px;padding:40px 24px;}
  .cta-band h2{font-size:24px;}
}
@media (max-width:575px){
  .cta-form{padding:20px;}
  .cta-form .form-row{grid-template-columns:1fr;}
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#1E1A46 0%,#2B2160 55%,#14112E 100%);
  color:rgba(255,255,255,.78);
  margin-top:96px;padding:64px 0 24px;
}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(1.5px 1.5px at 10% 24%, rgba(255,255,255,.5) 50%, transparent 52%),
    radial-gradient(1.5px 1.5px at 30% 70%, rgba(255,255,255,.34) 50%, transparent 52%),
    radial-gradient(1.5px 1.5px at 58% 20%, rgba(255,255,255,.42) 50%, transparent 52%),
    radial-gradient(1.5px 1.5px at 78% 62%, rgba(255,255,255,.32) 50%, transparent 52%),
    radial-gradient(1.5px 1.5px at 92% 34%, rgba(255,255,255,.30) 50%, transparent 52%);
  opacity:.18;pointer-events:none;
}
.footer-inner{position:relative;z-index:2;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--sk-primary-3),var(--sk-primary-2));}
.footer-brand .brand-txt strong{color:#fff;}
.footer-brand .brand-txt small{color:rgba(255,255,255,.55);}
.footer-desc{font-size:14px;color:rgba(255,255,255,.62);margin:20px 0 0;max-width:340px;line-height:1.8;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600;}
.site-footer ul{display:flex;flex-direction:column;gap:11px;}
.site-footer ul a{font-size:14px;color:rgba(255,255,255,.72);}
.site-footer ul a:hover{color:var(--sk-teal);}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.62);line-height:1.7;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom span{font-size:13px;color:rgba(255,255,255,.55);}
.to-top{
  width:44px;height:44px;border-radius:50%;border:0;
  background:linear-gradient(135deg,var(--sk-amber),var(--sk-amber-d));
  color:#1A1730;font-size:18px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  transition:transform .2s ease,box-shadow .2s ease;
}
.to-top:hover{transform:translateY(-3px);box-shadow:var(--sh-amber);}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media (max-width:575px){
  .site-footer{padding:48px 0 20px;margin-top:64px;}
  .footer-grid{grid-template-columns:1fr;}
  .sk-section{padding:56px 0;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}

/* roulang page: category2 */
:root{
  --sk-night:#14112E;
  --sk-night-2:#1E1A46;
  --sk-primary:#2B2160;
  --sk-primary-light:#4A3CA8;
  --sk-primary-lighter:#6B5BD2;
  --sk-teal:#2FD3B4;
  --sk-teal-dark:#17A88E;
  --sk-amber:#FFB43C;
  --sk-amber-dark:#E89A1F;
  --sk-bg:#F6F5FB;
  --sk-bg-alt:#ECEBF6;
  --sk-card:#FFFFFF;
  --sk-text:#1A1730;
  --sk-text-2:#5A5677;
  --sk-text-3:#8B87A6;
  --sk-line:#E3E1F0;
  --sk-line-strong:#D6D3EA;
  --sk-danger:#E4586B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(43,33,96,.06);
  --sh-md:0 8px 24px rgba(43,33,96,.10);
  --sh-lg:0 18px 48px rgba(43,33,96,.16);
  --sh-amber:0 10px 30px rgba(255,180,60,.22);
  --grad-night:linear-gradient(135deg,#1E1A46 0%,#2B2160 52%,#14112E 100%);
  --grad-amber:linear-gradient(135deg,#FFB43C 0%,#E89A1F 100%);
  --ease:.22s ease;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--sk-text);
  background:var(--sk-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--sk-primary-light);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--sk-primary-lighter)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-0.01em;color:var(--sk-text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(47,211,180,.35);outline-offset:2px;border-radius:6px}

.sk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1400px){.sk-container{max-width:1320px}}

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:0;border-radius:var(--r-md);
  background:var(--grad-amber);color:#1A1730;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  box-shadow:var(--sh-amber);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
  cursor:pointer;
}
.btn-brand:hover{color:#1A1730;transform:translateY(-2px);box-shadow:0 14px 34px rgba(255,180,60,.34)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:1.5px solid var(--sk-teal);border-radius:var(--r-md);
  background:transparent;color:var(--sk-teal-dark);
  font-size:15px;font-weight:600;
  transition:background var(--ease),transform var(--ease),color var(--ease);
  cursor:pointer;
}
.btn-ghost:hover{background:rgba(47,211,180,.10);color:var(--sk-teal-dark);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-sm-sk{height:38px;padding:0 18px;font-size:14px;border-radius:10px;box-shadow:none}

/* ---------- 头部导航 ---------- */
.sk-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;border-bottom:1px solid var(--sk-line);
}
.sk-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:var(--grad-night);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;letter-spacing:0;
  box-shadow:0 6px 18px rgba(43,33,96,.28);
}
.brand-txt strong{display:block;font-size:16px;font-weight:700;color:var(--sk-text);line-height:1.25}
.brand-txt small{display:block;font-size:11px;color:var(--sk-text-3);line-height:1.4;letter-spacing:.02em}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-menu a{
  position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--sk-text-2);
  transition:color var(--ease);
}
.nav-menu a:hover{color:var(--sk-primary-lighter)}
.nav-menu a.active{color:var(--sk-primary);font-weight:600}
.nav-menu a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:var(--sk-teal);
}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--r-pill);
  background:rgba(255,180,60,.18);color:#8A5A00;
  font-size:12px;font-weight:600;white-space:nowrap;
}
.nav-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sk-amber-dark)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--sk-line-strong);border-radius:var(--r-md);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--sk-primary);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--sk-primary);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.offcanvas.sk-drawer{background:#fff;width:300px}
.sk-drawer .offcanvas-header{border-bottom:1px solid var(--sk-line);padding:16px 20px}
.sk-drawer .offcanvas-body{padding:20px}
.sk-drawer .drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;font-size:16px;color:var(--sk-text);border-bottom:1px solid var(--sk-line);
}
.sk-drawer .drawer-links a.active{color:var(--sk-primary);font-weight:600}
.sk-drawer .drawer-links a i{font-size:12px;color:var(--sk-text-3)}
.sk-drawer .btn-brand{width:100%;margin-top:20px}

/* ---------- 面包屑 ---------- */
.sk-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--sk-text-3);padding-top:24px;flex-wrap:wrap}
.sk-crumb a{color:var(--sk-text-3)}
.sk-crumb a:hover{color:var(--sk-primary-lighter)}
.sk-crumb .cur{color:var(--sk-primary);font-weight:600}

/* ---------- 分类小 Hero ---------- */
.cat-hero{
  position:relative;
  padding:28px 0 64px;
  background:
    radial-gradient(circle at 88% 12%,rgba(47,211,180,.10) 0,rgba(47,211,180,0) 42%),
    radial-gradient(circle at 8% 82%,rgba(107,91,210,.12) 0,rgba(107,91,210,0) 46%),
    linear-gradient(180deg,#FFFFFF 0%,var(--sk-bg) 100%);
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(rgba(107,91,210,.20) 1px,transparent 1px),
    radial-gradient(rgba(47,211,180,.18) 1px,transparent 1px);
  background-size:74px 74px,120px 120px;
  background-position:10px 18px,44px 62px;
  opacity:.5;
}
.cat-hero .sk-container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;margin-top:32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(107,91,210,.10);color:var(--sk-primary-light);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.hero-copy h1{font-size:44px;line-height:1.25;margin:18px 0 0}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.75;color:var(--sk-text-2);max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.fact-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--sk-line);
  font-size:13px;font-weight:600;color:var(--sk-text-2);
  box-shadow:var(--sh-sm);
}
.fact-chip i{color:var(--sk-teal-dark);font-size:13px}
.hero-media{
  border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--sk-line);box-shadow:var(--sh-lg);
  background:var(--sk-bg-alt);
}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section.alt{background:var(--sk-bg-alt)}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-tag{
  display:inline-block;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(43,33,96,.07);color:var(--sk-primary-light);
  font-size:12px;font-weight:600;letter-spacing:.05em;margin-bottom:14px;
}
.sec-head h2{font-size:31px;line-height:1.32}
.sec-head p{margin-top:14px;font-size:16px;color:var(--sk-text-2)}

/* ---------- 时间轴 ---------- */
.tl{position:relative;padding-left:0}
.tl::before{
  content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--sk-primary-lighter) 0%,var(--sk-teal) 55%,var(--sk-amber) 100%);
}
.tl-item{position:relative;width:100%;padding-left:46px;padding-bottom:32px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:0;top:26px;width:24px;height:24px;border-radius:50%;
  background:var(--sk-primary);border:4px solid #fff;
  box-shadow:0 0 0 1px var(--sk-line-strong),0 6px 14px rgba(43,33,96,.18);
}
.tl-item:nth-child(even) .tl-dot{background:var(--sk-teal)}
.tl-card{
  background:#fff;border:1px solid var(--sk-line);border-radius:var(--r-lg);
  padding:26px 28px;box-shadow:var(--sh-md);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(107,91,210,.35)}
.tl-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:var(--r-pill);
  background:rgba(43,33,96,.08);color:var(--sk-primary);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;margin-right:10px;
}
.tl-card h3{display:inline;font-size:20px;vertical-align:middle}
.tl-card p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--sk-text-2)}
.tl-thumb{
  margin-top:18px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--sk-line);
  background:var(--sk-bg-alt);
}
.tl-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.mini-tag{
  display:inline-block;padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(107,91,210,.10);color:var(--sk-primary-light);
  font-size:12px;font-weight:600;
}

/* ---------- 模块能力面板 ---------- */
.panel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.panel-card{
  background:#fff;border:1px solid var(--sk-line);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--sh-md);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.panel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(107,91,210,.35)}
.panel-icon{
  width:44px;height:44px;border-radius:var(--r-md);
  background:var(--grad-night);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;
  box-shadow:0 8px 20px rgba(43,33,96,.24);
}
.panel-card h3{font-size:19px;margin-top:18px}
.panel-card p{margin-top:10px;font-size:14px;line-height:1.78;color:var(--sk-text-2)}
.panel-spec{margin-top:18px;padding-top:16px;border-top:1px dashed var(--sk-line-strong)}
.panel-spec li{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--sk-text-2);padding:5px 0}
.panel-spec li span:last-child{color:var(--sk-primary);font-weight:600;font-variant-numeric:tabular-nums}

/* ---------- 深色数据带 ---------- */
.band{
  background:var(--grad-night);color:#fff;position:relative;overflow:hidden;
  padding:72px 0;border-radius:var(--r-xl);
}
.band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:66px 66px;opacity:.55;
}
.band .sk-container{position:relative;z-index:2}
.band-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px}
.band-head h2{color:#fff;font-size:28px}
.band-head p{color:rgba(255,255,255,.72);margin-top:10px;font-size:15px;max-width:62ch}
.badge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.badge-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:24px;
}
.badge-card .bi-ico{
  width:36px;height:36px;border-radius:var(--r-pill);
  background:rgba(47,211,180,.16);color:var(--sk-teal);
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.badge-card strong{
  display:block;margin-top:16px;font-size:24px;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.badge-card span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.72);line-height:1.6}

/* ---------- 对照表 ---------- */
.table-wrap{
  background:#fff;border:1px solid var(--sk-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-md);
}
.table-scroll{overflow-x:auto}
table.sk-table{width:100%;border-collapse:collapse;min-width:640px}
table.sk-table th,table.sk-table td{
  padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--sk-line);
}
table.sk-table thead th{
  background:var(--sk-bg-alt);color:var(--sk-primary);
  font-weight:600;font-size:14px;letter-spacing:.02em;border-bottom:1px solid var(--sk-line-strong);
}
table.sk-table tbody td:first-child{font-weight:600;color:var(--sk-text)}
table.sk-table tbody tr:last-child td{border-bottom:0}
table.sk-table tbody tr:hover{background:#FBFAFF}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--sk-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-md);border-color:rgba(107,91,210,.28)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  width:100%;padding:20px 24px;background:transparent;border:0;
  text-align:left;font-size:17px;font-weight:600;color:var(--sk-text);cursor:pointer;
}
.faq-q .fx{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;
  background:rgba(43,33,96,.08);color:var(--sk-primary);
  display:flex;align-items:center;justify-content:center;font-size:15px;
  transition:transform .25s ease,background var(--ease),color var(--ease);
}
.faq-q[aria-expanded="true"] .fx{transform:rotate(45deg);background:var(--sk-teal);color:#fff}
.faq-a{padding:0 24px 22px}
.faq-a .inner{
  background:var(--sk-bg);border-radius:var(--r-md);
  padding:16px 18px;font-size:15px;line-height:1.8;color:var(--sk-text-2);
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--grad-night);color:#fff;border-radius:var(--r-xl);
  padding:64px 56px;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,180,60,.20) 1px,transparent 1px);
  background-size:88px 88px;opacity:.6;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:6fr 5fr;gap:48px;align-items:center}
.cta-band h2{color:#fff;font-size:30px}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.74);font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.sub-form{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-lg);padding:28px}
.sub-form label{display:block;font-size:13px;font-weight:600;color:rgba(255,255,255,.86);margin-bottom:8px}
.sub-form input{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.94);
  color:var(--sk-text);font-size:15px;transition:border-color var(--ease),box-shadow var(--ease);
}
.sub-form input:focus{outline:none;border-color:var(--sk-teal);box-shadow:0 0 0 2px rgba(47,211,180,.35)}
.sub-form .field{margin-bottom:16px}
.sub-form .btn-brand{width:100%}
.form-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.6)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--grad-night);color:rgba(255,255,255,.78);
  position:relative;overflow:hidden;margin-top:96px;
}
.site-footer::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:72px 72px;opacity:.5;
}
.footer-inner{position:relative;z-index:2;padding:64px 20px 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand .brand-mark{background:rgba(255,255,255,.10);box-shadow:none;border:1px solid rgba(255,255,255,.18)}
.footer-brand .brand-txt strong{color:#fff}
.footer-brand .brand-txt small{color:rgba(255,255,255,.55)}
.footer-desc{margin-top:18px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.66);max-width:36ch}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.site-footer ul li{margin-bottom:10px}
.site-footer ul li a{font-size:14px;color:rgba(255,255,255,.72)}
.site-footer ul li a:hover{color:var(--sk-teal)}
.footer-contact li{font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.7}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.56);
}
.to-top{
  width:44px;height:44px;border-radius:50%;border:0;
  background:var(--grad-amber);color:#1A1730;font-size:16px;font-weight:700;
  cursor:pointer;transition:transform var(--ease);box-shadow:var(--sh-amber);
}
.to-top:hover{transform:translateY(-3px)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .panel-grid{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr 1fr;gap:36px}
  .hero-copy h1{font-size:38px}
}
@media (max-width:991px){
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex}
  .nav-badge{display:none}
  .section{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:-1}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .badge-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:48px 32px}
  .band{padding:56px 0;border-radius:var(--r-lg)}
}
@media (max-width:767px){
  .hero-copy h1{font-size:30px}
  .sec-head h2{font-size:23px}
  .cta-band h2{font-size:23px}
  .badge-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{justify-content:center;text-align:center}
}
@media (max-width:575px){
  body{font-size:15.5px}
  .sk-container{padding:0 16px}
  .sk-nav{height:60px}
  .brand-mark{width:36px;height:36px;flex-basis:36px;font-size:16px}
  .brand-txt strong{font-size:15px}
  .hero-copy h1{font-size:26px}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .panel-grid{grid-template-columns:1fr}
  .tl-item{padding-left:40px}
  .tl-card{padding:20px}
  .cta-band{padding:36px 20px;border-radius:var(--r-lg)}
  .section{padding:56px 0}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* 时间轴：桌面端左右交替 */
@media (min-width:992px){
  .tl::before{left:50%;transform:translateX(-1px);top:10px;bottom:10px}
  .tl-item{width:50%;padding-left:0;padding-right:52px;padding-bottom:40px}
  .tl-item:nth-child(even){margin-left:50%;padding-left:52px;padding-right:0}
  .tl-item .tl-dot{left:auto;right:-12px;top:30px}
  .tl-item:nth-child(even) .tl-dot{left:-12px;right:auto}
}

/* roulang page: category3 */
:root{
  --sk-night:#14112E;
  --sk-night-2:#1E1A46;
  --sk-primary:#2B2160;
  --sk-primary-1:#4A3CA8;
  --sk-primary-2:#6B5BD2;
  --sk-teal:#2FD3B4;
  --sk-teal-d:#17A88E;
  --sk-amber:#FFB43C;
  --sk-amber-d:#E89A1F;
  --sk-bg:#F6F5FB;
  --sk-bg-alt:#ECEBF6;
  --sk-card:#FFFFFF;
  --sk-text:#1A1730;
  --sk-text-2:#5A5677;
  --sk-text-3:#8B87A6;
  --sk-line:#E3E1F0;
  --sk-line-2:#D6D3EA;
  --sk-danger:#E4586B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:20px;
  --r-xl:28px;
  --sh-sm:0 2px 8px rgba(43,33,96,.06);
  --sh-md:0 8px 24px rgba(43,33,96,.10);
  --sh-lg:0 18px 48px rgba(43,33,96,.16);
  --sh-amber:0 10px 30px rgba(255,180,60,.22);
  --ease:.2s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--sk-text);
  background:var(--sk-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--sk-primary-1);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--sk-teal-d);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--sk-text);font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(47,211,180,.35);outline-offset:2px;border-radius:6px;}

.sk-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1400px){
  .sk-container{max-width:1320px;}
}

/* ============ header / nav ============ */
.sk-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--sk-line);
  box-shadow:0 1px 0 rgba(43,33,96,.02);
}
.sk-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  color:var(--sk-text);
}
.brand:hover{color:var(--sk-text);}
.brand-mark{
  width:40px;
  height:40px;
  border-radius:12px;
  display:grid;
  place-items:center;
  color:#fff;
  font-size:18px;
  font-weight:700;
  background:linear-gradient(135deg,var(--sk-primary-1),var(--sk-primary));
  box-shadow:var(--sh-sm);
}
.brand-txt{display:flex;flex-direction:column;line-height:1.2;}
.brand-txt strong{font-size:16px;font-weight:700;letter-spacing:-.01em;}
.brand-txt small{font-size:11px;color:var(--sk-text-3);font-weight:400;letter-spacing:.02em;}
.nav-menu{
  display:flex;
  align-items:center;
  gap:28px;
  margin:0 auto;
}
.nav-menu a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--sk-text-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-menu a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:2px;
  border-radius:2px;
  background:var(--sk-teal);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-menu a:hover{color:var(--sk-primary-1);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--sk-primary-1);font-weight:600;}
.nav-menu a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:600;
  color:#5A4A16;
  background:rgba(255,180,60,.20);
  border:1px solid rgba(232,154,31,.35);
  border-radius:999px;
  padding:5px 12px;
  white-space:nowrap;
}
.nav-badge::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--sk-amber-d);
  box-shadow:0 0 0 3px rgba(255,180,60,.25);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:#fff;
  border:1px solid var(--sk-line-2);
  border-radius:var(--r-md);
  cursor:pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--sk-text);
  position:relative;
  transition:transform var(--ease);
}
.nav-toggle span::before{position:absolute;top:-6px;}
.nav-toggle span::after{position:absolute;top:6px;}

/* buttons */
.btn-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border:0;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:600;
  color:var(--sk-text);
  background:linear-gradient(135deg,var(--sk-amber),var(--sk-amber-d));
  box-shadow:var(--sh-amber);
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
  white-space:nowrap;
}
.btn-brand:hover{color:var(--sk-text);transform:translateY(-2px);box-shadow:0 14px 34px rgba(255,180,60,.30);filter:saturate(1.05);}
.btn-brand:active{transform:translateY(0);}
.btn-sm-sk{height:42px;padding:0 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border:1.5px solid var(--sk-teal);
  border-radius:var(--r-md);
  background:transparent;
  color:var(--sk-teal-d);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background var(--ease),transform var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn-ghost:hover{background:rgba(47,211,180,.10);color:var(--sk-teal-d);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--sk-primary-1);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),gap var(--ease);
}
.link-more:hover{border-color:var(--sk-primary-1);gap:10px;}

/* offcanvas */
.offcanvas.sk-drawer{
  background:#fff;
  border-left:1px solid var(--sk-line);
  width:300px;
}
.sk-drawer .offcanvas-header{border-bottom:1px solid var(--sk-line);padding:16px 20px;}
.sk-drawer .offcanvas-title{font-size:15px;font-weight:700;}
.sk-drawer .offcanvas-body{padding:16px 20px 28px;}
.drawer-list li + li{margin-top:4px;}
.drawer-list a{
  display:block;
  padding:12px 14px;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:500;
  color:var(--sk-text-2);
  transition:background var(--ease),color var(--ease);
}
.drawer-list a:hover{background:var(--sk-bg-alt);color:var(--sk-primary-1);}
.drawer-list a.active{background:rgba(43,33,96,.07);color:var(--sk-primary-1);font-weight:600;}
.drawer-cta{margin-top:20px;}
.drawer-cta .btn-brand{width:100%;}

/* ============ breadcrumb ============ */
.crumb{
  padding:24px 0 0;
  font-size:13px;
  color:var(--sk-text-3);
}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;list-style:none;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li + li::before{content:"/";color:var(--sk-line-2);}
.crumb a{color:var(--sk-text-2);}
.crumb a:hover{color:var(--sk-primary-1);}
.crumb .current{color:var(--sk-primary-1);font-weight:600;}

/* ============ category hero ============ */
.cat-hero{
  margin-top:20px;
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  background:
    radial-gradient(1.5px 1.5px at 18% 24%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1.5px 1.5px at 72% 18%,rgba(255,255,255,.42),transparent 60%),
    radial-gradient(1.5px 1.5px at 46% 78%,rgba(255,255,255,.35),transparent 60%),
    radial-gradient(1.5px 1.5px at 88% 66%,rgba(255,255,255,.30),transparent 60%),
    linear-gradient(135deg,#1E1A46 0%,#2B2160 52%,#14112E 100%);
  color:#fff;
  box-shadow:var(--sh-lg);
}
.cat-hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:32px;
  align-items:center;
  padding:52px 48px;
}
.cat-hero-txt h1{
  color:#fff;
  font-size:42px;
  line-height:1.25;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.cat-hero-txt p{
  color:rgba(255,255,255,.78);
  font-size:16px;
  line-height:1.85;
  max-width:560px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tag{
  font-size:12px;
  font-weight:600;
  padding:6px 13px;
  border-radius:999px;
  color:#fff;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
}
.cat-hero-visual{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 18px 44px rgba(0,0,0,.30);
  background:#221D50;
}
.cat-hero-visual img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}

/* ============ metric row ============ */
.metric-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:24px;
}
.metric-badge{
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 20px;
  border-radius:var(--r-lg);
  background:linear-gradient(135deg,#221D50,#2B2160);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--sh-md);
  color:#fff;
}
.metric-icon{
  width:36px;height:36px;
  border-radius:50%;
  display:grid;place-items:center;
  background:rgba(47,211,180,.16);
  border:1px solid rgba(47,211,180,.38);
  color:var(--sk-teal);
  font-size:15px;
  font-weight:700;
  flex:0 0 auto;
}
.metric-badge:nth-child(2) .metric-icon{background:rgba(255,180,60,.16);border-color:rgba(255,180,60,.40);color:var(--sk-amber);}
.metric-badge:nth-child(4) .metric-icon{background:rgba(107,91,210,.20);border-color:rgba(107,91,210,.45);color:#BEB4F5;}
.metric-num{
  font-size:22px;
  font-weight:700;
  line-height:1.2;
  font-variant-numeric:tabular-nums;
  color:#fff;
}
.metric-label{font-size:12px;color:rgba(255,255,255,.62);line-height:1.5;}

/* ============ sections ============ */
.sk-section{padding:96px 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{
  font-size:30px;
  line-height:1.3;
}
.section-head p{
  margin-top:10px;
  max-width:640px;
  color:var(--sk-text-2);
  font-size:15px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--sk-primary-2);
  text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:18px;height:2px;border-radius:2px;
  background:var(--sk-teal);
}

/* ============ match cards (dual column big grid) ============ */
.match-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px;
}
.match-card{
  position:relative;
  background:var(--sk-card);
  border:1px solid var(--sk-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-md);
  display:flex;
  flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.match-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-lg);
  border-color:rgba(107,91,210,.35);
}
.match-media{
  position:relative;
  overflow:hidden;
  background:var(--sk-bg-alt);
}
.match-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .3s ease;
}
.match-card:hover .match-media img{transform:scale(1.03);}
.match-float-badge{
  position:absolute;
  top:16px;left:16px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:600;
  padding:6px 12px;
  border-radius:999px;
  color:#fff;
  background:rgba(20,17,46,.78);
  border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(4px);
}
.match-float-badge.is-live{background:rgba(255,180,60,.92);color:#1A1730;border-color:rgba(255,180,60,.6);}
.match-float-badge.is-live::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:#8A5A00;
  box-shadow:0 0 0 3px rgba(255,255,255,.45);
}
.match-float-badge.is-done{background:rgba(23,168,142,.90);border-color:rgba(47,211,180,.5);}
.match-body{
  padding:24px 26px 0;
  flex:1 1 auto;
}
.match-body h3{
  font-size:21px;
  line-height:1.4;
  margin-bottom:10px;
}
.match-body p{
  font-size:14px;
  color:var(--sk-text-2);
  line-height:1.8;
}
.match-foot{
  margin-top:20px;
  padding:14px 26px;
  border-top:1px solid var(--sk-line);
  background:#FBFAFE;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px 14px;
  font-size:13px;
  color:var(--sk-text-3);
}
.match-foot .dot{width:4px;height:4px;border-radius:50%;background:var(--sk-line-2);}
.match-foot time{font-variant-numeric:tabular-nums;}
.match-foot .proj{
  font-weight:600;
  color:var(--sk-primary-1);
  background:rgba(43,33,96,.07);
  border-radius:999px;
  padding:3px 10px;
  font-size:12px;
}
.match-foot .go{
  margin-left:auto;
  font-weight:600;
  color:var(--sk-primary-1);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.match-foot .go:hover{color:var(--sk-teal-d);gap:10px;}

/* ============ rhythm / focus section ============ */
.rhythm-wrap{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:28px;
  align-items:start;
}
.rhythm-list{
  background:var(--sk-card);
  border:1px solid var(--sk-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-md);
  overflow:hidden;
}
.rhythm-item{
  display:flex;
  gap:18px;
  padding:22px 26px;
  border-bottom:1px solid var(--sk-line);
  transition:background var(--ease);
}
.rhythm-item:last-child{border-bottom:0;}
.rhythm-item:hover{background:#FBFAFE;}
.rhythm-time{
  flex:0 0 auto;
  min-width:88px;
  font-size:13px;
  font-weight:700;
  color:var(--sk-primary-1);
  font-variant-numeric:tabular-nums;
  padding-top:2px;
}
.rhythm-item h3{font-size:16px;margin-bottom:6px;}
.rhythm-item p{font-size:14px;color:var(--sk-text-2);}
.side-card{
  background:linear-gradient(135deg,#221D50,#2B2160 60%,#14112E);
  border-radius:var(--r-lg);
  padding:32px 30px;
  color:#fff;
  box-shadow:var(--sh-lg);
  border:1px solid rgba(255,255,255,.10);
}
.side-card h3{color:#fff;font-size:20px;margin-bottom:12px;}
.side-card p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.85;}
.side-list{margin-top:20px;display:grid;gap:12px;}
.side-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.82);
}
.side-list li::before{
  content:"✓";
  color:var(--sk-teal);
  font-weight:700;
  flex:0 0 auto;
}
.side-card .btn-brand{margin-top:24px;width:100%;}

/* ============ faq ============ */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--sk-card);
  border:1px solid var(--sk-line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:rgba(107,91,210,.35);box-shadow:var(--sh-md);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:18px;
  font-weight:600;
  color:var(--sk-text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 auto;
  width:28px;height:28px;
  border-radius:50%;
  display:grid;place-items:center;
  background:rgba(43,33,96,.07);
  color:var(--sk-primary-1);
  font-size:16px;
  font-weight:600;
  transition:transform .25s ease,background var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:rgba(47,211,180,.18);color:var(--sk-teal-d);}
.faq-answer{
  margin:0 24px 20px;
  padding:16px 18px;
  background:var(--sk-bg);
  border-radius:var(--r-md);
  font-size:15px;
  line-height:1.8;
  color:var(--sk-text-2);
}

/* ============ cta band ============ */
.cta-band{
  margin-top:96px;
  border-radius:var(--r-xl);
  padding:52px 48px;
  position:relative;
  overflow:hidden;
  color:#fff;
  background:
    radial-gradient(1.5px 1.5px at 12% 30%,rgba(255,255,255,.5),transparent 60%),
    radial-gradient(1.5px 1.5px at 64% 22%,rgba(255,255,255,.4),transparent 60%),
    radial-gradient(1.5px 1.5px at 84% 74%,rgba(255,255,255,.35),transparent 60%),
    linear-gradient(135deg,#1E1A46 0%,#2B2160 55%,#14112E 100%);
  box-shadow:var(--sh-lg);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:28px;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.74);font-size:15px;max-width:600px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-ghost{color:#8CF0DA;border-color:rgba(47,211,180,.6);}
.cta-band .btn-ghost:hover{background:rgba(47,211,180,.12);color:#8CF0DA;}

/* ============ footer ============ */
.site-footer{
  margin-top:96px;
  position:relative;
  color:rgba(255,255,255,.72);
  background:
    radial-gradient(1.5px 1.5px at 14% 26%,rgba(255,255,255,.42),transparent 60%),
    radial-gradient(1.5px 1.5px at 58% 16%,rgba(255,255,255,.32),transparent 60%),
    radial-gradient(1.5px 1.5px at 82% 62%,rgba(255,255,255,.28),transparent 60%),
    linear-gradient(135deg,#1E1A46 0%,#2B2160 55%,#14112E 100%);
}
.footer-inner{padding-top:64px;padding-bottom:28px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
}
.site-footer .brand{color:#fff;margin-bottom:16px;}
.site-footer .brand-txt strong{color:#fff;}
.site-footer .brand-txt small{color:rgba(255,255,255,.52);}
.footer-desc{font-size:13px;line-height:1.9;color:rgba(255,255,255,.62);max-width:300px;}
.site-footer h4{
  font-size:14px;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul a{
  font-size:14px;
  color:rgba(255,255,255,.68);
}
.site-footer ul a:hover{color:var(--sk-teal);}
.footer-contact li{font-size:13px;color:rgba(255,255,255,.60);line-height:1.8;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.52);
}
.to-top{
  margin-left:auto;
  width:44px;height:44px;
  border-radius:50%;
  border:0;
  cursor:pointer;
  font-size:18px;
  font-weight:700;
  color:var(--sk-text);
  background:linear-gradient(135deg,var(--sk-amber),var(--sk-amber-d));
  box-shadow:var(--sh-amber);
  transition:transform var(--ease);
}
.to-top:hover{transform:translateY(-2px);}

/* ============ responsive ============ */
@media (max-width:1199.98px){
  .cat-hero-txt h1{font-size:36px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media (max-width:991.98px){
  .nav-menu{display:none;}
  .nav-badge{display:none;}
  .nav-toggle{display:inline-flex;}
  .cat-hero-grid{grid-template-columns:1fr;padding:40px 32px;}
  .cat-hero-txt h1{font-size:30px;}
  .metric-row{grid-template-columns:repeat(2,1fr);}
  .match-grid{grid-template-columns:1fr;}
  .rhythm-wrap{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .sk-section{padding-top:64px;}
  .cta-band{margin-top:64px;padding:40px 32px;border-radius:var(--r-lg);}
  .cta-band .cta-inner h2{font-size:24px;}
  .site-footer{margin-top:64px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:575.98px){
  .sk-container{padding:0 16px;}
  .sk-nav{height:60px;gap:12px;}
  .brand-mark{width:36px;height:36px;font-size:16px;}
  .brand-txt strong{font-size:15px;}
  .brand-txt small{display:none;}
  .cat-hero-grid{padding:32px 22px;gap:24px;}
  .cat-hero-txt h1{font-size:26px;}
  .cat-hero-txt p{font-size:15px;}
  .metric-row{grid-template-columns:1fr;}
  .metric-badge{padding:16px;}
  .match-body{padding:20px 20px 0;}
  .match-foot{padding:14px 20px;}
  .match-foot .go{margin-left:0;width:100%;}
  .section-head h2{font-size:22px;}
  .rhythm-item{padding:18px 20px;gap:12px;}
  .rhythm-time{min-width:72px;font-size:12px;}
  .faq-item summary{font-size:16px;padding:16px 18px;}
  .faq-answer{margin:0 18px 16px;}
  .side-card{padding:26px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-inner{padding-top:48px;}
  .to-top{margin-left:0;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category4 */
:root{
  --sk-night:#14112E;
  --sk-night-2:#1E1A46;
  --sk-primary:#2B2160;
  --sk-primary-1:#4A3CA8;
  --sk-primary-2:#6B5BD2;
  --sk-teal:#2FD3B4;
  --sk-teal-d:#17A88E;
  --sk-amber:#FFB43C;
  --sk-amber-d:#E89A1F;
  --sk-bg:#F6F5FB;
  --sk-bg-2:#ECEBF6;
  --sk-card:#FFFFFF;
  --sk-text:#1A1730;
  --sk-text-2:#5A5677;
  --sk-text-3:#8B87A6;
  --sk-line:#E3E1F0;
  --sk-line-2:#D6D3EA;
  --sk-danger:#E4586B;
  --sk-r-sm:8px;
  --sk-r-md:12px;
  --sk-r-lg:20px;
  --sk-r-xl:28px;
  --sk-r-pill:999px;
  --sk-sh-sm:0 2px 8px rgba(43,33,96,.06);
  --sk-sh-md:0 8px 24px rgba(43,33,96,.10);
  --sk-sh-lg:0 18px 48px rgba(43,33,96,.16);
  --sk-sh-amber:0 10px 30px rgba(255,180,60,.22);
  --sk-grad-deep:linear-gradient(135deg,#1E1A46 0%,#2B2160 52%,#14112E 100%);
  --sk-grad-amber:linear-gradient(135deg,#FFB43C 0%,#E89A1F 100%);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--sk-text);
  background:var(--sk-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--sk-primary-1);}
button{font:inherit;cursor:pointer;border:none;background:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--sk-text);letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(47,211,180,.35);outline-offset:2px;}

.sk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.sk-container{max-width:1320px;}}
@media (max-width:575px){.sk-container{padding:0 16px;}}

/* ============ 公告条 ============ */
.sk-notice{
  background:var(--sk-night);
  color:#fff;
  font-size:13px;
}
.sk-notice .sk-container{
  min-height:40px;
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  padding-top:6px;
  padding-bottom:6px;
}
.sk-notice .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--sk-teal);
  box-shadow:0 0 0 4px rgba(47,211,180,.18);
  flex:0 0 auto;
}
.sk-notice .n-text{color:rgba(255,255,255,.86);}
.sk-notice .n-tag{
  background:rgba(255,180,60,.16);
  color:var(--sk-amber);
  border-radius:var(--sk-r-pill);
  padding:2px 10px;
  font-weight:600;
  font-size:12px;
}
.sk-notice .n-count{margin-left:auto;font-variant-numeric:tabular-nums;color:rgba(255,255,255,.7);}
.sk-notice .n-close{
  width:26px;height:26px;border-radius:50%;
  color:rgba(255,255,255,.7);
  display:grid;place-items:center;
  font-size:15px;line-height:1;
  transition:background .2s ease,color .2s ease;
}
.sk-notice .n-close:hover{background:rgba(255,255,255,.12);color:#fff;}
@media (max-width:767px){.sk-notice .n-count{display:none;}}

/* ============ 导航 ============ */
.sk-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--sk-line);
  box-shadow:0 1px 0 rgba(43,33,96,.02);
}
.sk-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand:hover{color:var(--sk-text);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--sk-grad-deep);
  color:#fff;font-weight:700;font-size:17px;
  display:grid;place-items:center;
  box-shadow:var(--sk-sh-sm);
}
.brand-txt strong{display:block;font-size:16px;line-height:1.25;font-weight:700;}
.brand-txt small{display:block;font-size:11px;line-height:1.4;color:var(--sk-text-3);letter-spacing:.04em;}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-menu a{
  position:relative;
  font-size:15px;
  color:var(--sk-text-2);
  padding:8px 0;
}
.nav-menu a:hover{color:var(--sk-primary-1);}
.nav-menu a.active{color:var(--sk-primary);font-weight:600;}
.nav-menu a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--sk-teal);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-badge{
  font-size:12px;font-weight:600;
  color:#8a5a06;
  background:rgba(255,180,60,.18);
  border-radius:var(--sk-r-pill);
  padding:6px 12px;
  white-space:nowrap;
}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--sk-r-md);
  background:var(--sk-grad-amber);
  color:#1A1730;font-weight:600;font-size:15px;
  box-shadow:var(--sk-sh-amber);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#1A1730;transform:translateY(-2px);box-shadow:0 14px 34px rgba(255,180,60,.32);}
.btn-brand:active{transform:translateY(0);}
.btn-sm-sk{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;
  border-radius:var(--sk-r-md);
  border:1.5px solid var(--sk-teal);
  color:#0f8c76;font-weight:600;font-size:15px;
  background:transparent;
  transition:background .2s ease,transform .2s ease,color .2s ease;
}
.btn-ghost:hover{background:rgba(47,211,180,.10);color:#0b7562;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.12);color:#fff;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--sk-line);
  border-radius:var(--sk-r-md);
  background:#fff;
  align-items:center;justify-content:center;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--sk-line-2);background:var(--sk-bg);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--sk-primary);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--sk-primary);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

@media (max-width:991px){
  .sk-nav{height:60px;}
  .nav-menu{display:none;}
  .nav-badge{display:none;}
  .nav-toggle{display:flex;}
}

/* 移动端抽屉 */
.sk-drawer{background:var(--sk-night);color:#fff;width:300px;}
.sk-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:18px 20px;}
.sk-drawer .offcanvas-title{font-size:15px;font-weight:700;color:#fff;}
.sk-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.75;}
.sk-drawer .offcanvas-body{padding:18px 20px 28px;}
.sk-drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.sk-drawer nav a{
  display:flex;align-items:center;
  min-height:48px;padding:0 14px;
  border-radius:var(--sk-r-md);
  color:rgba(255,255,255,.82);
  font-size:15px;
  transition:background .2s ease,color .2s ease;
}
.sk-drawer nav a:hover{background:rgba(255,255,255,.08);color:#fff;}
.sk-drawer nav a.active{background:rgba(47,211,180,.16);color:#fff;font-weight:600;}
.sk-drawer .drawer-note{font-size:13px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:18px;}
.sk-drawer .btn-brand{width:100%;}

/* ============ 面包屑 ============ */
.sk-crumb{padding:24px 0 0;font-size:13px;color:var(--sk-text-2);}
.sk-crumb a{color:var(--sk-text-2);}
.sk-crumb a:hover{color:var(--sk-primary-1);}
.sk-crumb .sep{margin:0 8px;color:var(--sk-text-3);}
.sk-crumb .cur{color:var(--sk-primary);font-weight:600;}

/* ============ Hero（窄条） ============ */
.sk-hero{
  position:relative;
  margin-top:20px;
  border-radius:var(--sk-r-xl);
  background:var(--sk-grad-deep);
  color:#fff;
  overflow:hidden;
  padding:52px 0 44px;
}
.sk-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    radial-gradient(rgba(255,255,255,.18) 1px, transparent 1px),
    radial-gradient(rgba(255,255,255,.12) 1px, transparent 1px);
  background-size:140px 140px, 220px 220px;
  background-position:10px 20px, 90px 90px;
  opacity:.5;
  pointer-events:none;
}
.sk-hero .sk-container{position:relative;z-index:1;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:44px;
  align-items:center;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--sk-teal);
  background:rgba(47,211,180,.12);
  border:1px solid rgba(47,211,180,.28);
  border-radius:var(--sk-r-pill);
  padding:5px 12px;
  margin-bottom:16px;
}
.hero-grid h1{
  color:#fff;
  font-size:clamp(26px,3.4vw,42px);
  line-height:1.25;
  margin-bottom:14px;
}
.hero-lead{
  font-size:16px;
  color:rgba(255,255,255,.78);
  max-width:620px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-status{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--sk-r-lg);
  padding:22px;
}
.hero-status h2{
  font-size:14px;color:#fff;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.hero-status h2 .pulse{
  width:8px;height:8px;border-radius:50%;background:var(--sk-teal);
  box-shadow:0 0 0 4px rgba(47,211,180,.18);
}
.hero-status ul{display:flex;flex-direction:column;gap:12px;}
.hero-status li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.68);
  padding-bottom:12px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.hero-status li:last-child{border-bottom:none;padding-bottom:0;}
.hero-status li b{color:#fff;font-weight:600;font-variant-numeric:tabular-nums;}

.stat-row{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  margin-top:40px;
}
.stat-badge{
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:16px;
  padding:16px 18px;
}
.stat-ic{
  width:36px;height:36px;flex:0 0 auto;
  border-radius:50%;
  background:rgba(47,211,180,.16);
  color:var(--sk-teal);
  display:grid;place-items:center;
  font-size:15px;font-weight:700;
}
.stat-badge b{
  display:block;font-size:20px;line-height:1.2;color:#fff;
  font-variant-numeric:tabular-nums;font-weight:700;
}
.stat-badge span{display:block;font-size:12px;color:rgba(255,255,255,.62);line-height:1.5;}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:575px){
  .sk-hero{padding:36px 0 32px;border-radius:var(--sk-r-lg);}
  .stat-row{grid-template-columns:1fr;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
}

/* ============ 通用板块 ============ */
.sk-section{padding:96px 0;}
.sk-section.tight{padding:64px 0;}
.sk-section.alt{background:var(--sk-bg-2);}
@media (max-width:767px){
  .sk-section{padding:56px 0;}
  .sk-section.tight{padding:44px 0;}
}
.sec-head{margin-bottom:36px;}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:10px;}
.sec-head p{color:var(--sk-text-2);max-width:720px;}
.sec-head.center{text-align:center;}
.sec-head.center p{margin-left:auto;margin-right:auto;}

/* ============ FAQ 主区 ============ */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,3fr) minmax(0,2fr);
  gap:32px;
  align-items:start;
}
@media (max-width:991px){.faq-layout{grid-template-columns:minmax(0,1fr);gap:28px;}}

.sk-acc .accordion-item{
  border:1px solid var(--sk-line);
  border-radius:var(--sk-r-lg);
  background:#fff;
  margin-bottom:16px;
  box-shadow:var(--sk-sh-sm);
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.sk-acc .accordion-item:hover{border-color:var(--sk-line-2);box-shadow:var(--sk-sh-md);}
.sk-acc .accordion-button{
  position:relative;
  width:100%;
  background:#fff;
  color:var(--sk-text);
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  padding:22px 64px 22px 24px;
  border:none;
  border-radius:0;
  box-shadow:none;
  text-align:left;
}
.sk-acc .accordion-button:not(.collapsed){
  background:#fff;
  color:var(--sk-primary);
  box-shadow:none;
}
.sk-acc .accordion-button:focus{box-shadow:none;outline:none;}
.sk-acc .accordion-button:focus-visible{outline:3px solid rgba(47,211,180,.35);outline-offset:-3px;}
.sk-acc .accordion-button::after{
  content:"+";
  position:absolute;right:22px;top:50%;
  transform:translateY(-50%);
  width:28px;height:28px;
  display:grid;place-items:center;
  background-image:none;
  background:rgba(107,91,210,.10);
  color:var(--sk-primary-1);
  border-radius:50%;
  font-size:18px;font-weight:600;line-height:1;
  margin:0;
  transition:background .25s ease,color .25s ease;
}
.sk-acc .accordion-button:not(.collapsed)::after{
  content:"−";
  background:var(--sk-primary);
  color:#fff;
  transform:translateY(-50%);
}
.sk-acc .accordion-body{padding:0 24px 24px;}
.acc-ans{
  background:var(--sk-bg);
  border-radius:var(--sk-r-md);
  padding:16px 18px;
  font-size:15px;
  line-height:1.8;
  color:var(--sk-text-2);
}
.acc-ans + .acc-ans{margin-top:10px;}
.acc-ans strong{color:var(--sk-text);font-weight:600;}

/* 帮助卡 */
.help-card{
  position:sticky;
  top:96px;
  background:#fff;
  border:1px solid var(--sk-line);
  border-radius:var(--sk-r-lg);
  box-shadow:var(--sk-sh-md);
  overflow:hidden;
}
.help-card .hc-top{
  background:var(--sk-grad-deep);
  color:#fff;
  padding:26px 26px 24px;
  position:relative;
  overflow:hidden;
}
.help-card .hc-top::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.18) 1px, transparent 1px);
  background-size:90px 90px;
  opacity:.55;
  pointer-events:none;
}
.help-card .hc-top h3{
  position:relative;
  color:#fff;font-size:20px;line-height:1.4;margin-bottom:10px;
}
.help-card .hc-top p{
  position:relative;
  font-size:14px;line-height:1.8;color:rgba(255,255,255,.76);
}
.help-card .hc-body{padding:24px 26px 26px;}
.hc-list{display:flex;flex-direction:column;gap:14px;margin-bottom:22px;}
.hc-list li{
  display:flex;gap:10px;
  font-size:14px;line-height:1.75;color:var(--sk-text-2);
}
.hc-list li::before{
  content:"";
  flex:0 0 auto;
  width:6px;height:6px;border-radius:50%;
  background:var(--sk-teal);
  margin-top:10px;
}
.help-card .btn-brand,.help-card .btn-ghost{width:100%;}
.help-card .btn-ghost{margin-top:12px;}
.hc-meta{
  margin-top:20px;padding-top:18px;
  border-top:1px solid var(--sk-line);
  font-size:13px;color:var(--sk-text-3);line-height:1.9;
}
@media (max-width:991px){.help-card{position:static;}}

/* ============ 对比表 ============ */
.table-wrap{
  overflow-x:auto;
  background:#fff;
  border:1px solid var(--sk-line);
  border-radius:var(--sk-r-lg);
  box-shadow:var(--sk-sh-sm);
  -webkit-overflow-scrolling:touch;
}
.sk-table{
  width:100%;
  min-width:680px;
  border-collapse:collapse;
  margin:0;
}
.sk-table thead th{
  background:#F1EFFB;
  color:var(--sk-primary);
  font-size:14px;
  font-weight:600;
  text-align:left;
  padding:16px 20px;
  border-bottom:1px solid var(--sk-line);
  white-space:nowrap;
}
.sk-table tbody td{
  padding:16px 20px;
  font-size:14.5px;
  color:var(--sk-text-2);
  border-bottom:1px solid var(--sk-line);
  line-height:1.7;
  vertical-align:top;
}
.sk-table tbody tr:last-child td{border-bottom:none;}
.sk-table tbody tr:hover{background:rgba(107,91,210,.045);}
.sk-table tbody td:first-child{color:var(--sk-text);font-weight:600;}
.table-note{margin-top:14px;font-size:13px;color:var(--sk-text-3);}

/* ============ 排查路径 ============ */
.path-grid{
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:40px;
  align-items:center;
}
@media (max-width:991px){.path-grid{grid-template-columns:minmax(0,1fr);gap:28px;}}
.path-figure{
  border-radius:var(--sk-r-lg);
  overflow:hidden;
  background:var(--sk-bg-2);
  box-shadow:var(--sk-sh-md);
  aspect-ratio:16/10;
}
.path-figure img{width:100%;height:100%;object-fit:cover;}
.step-list{display:flex;flex-direction:column;gap:18px;}
.step-item{
  display:flex;gap:18px;
  background:#fff;
  border:1px solid var(--sk-line);
  border-radius:var(--sk-r-lg);
  padding:22px 24px;
  box-shadow:var(--sk-sh-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--sk-sh-lg);border-color:rgba(107,91,210,.35);}
.step-no{
  flex:0 0 auto;
  width:40px;height:40px;
  border-radius:50%;
  background:rgba(43,33,96,.08);
  color:var(--sk-primary);
  display:grid;place-items:center;
  font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:18px;margin-bottom:6px;}
.step-item p{font-size:14.5px;color:var(--sk-text-2);line-height:1.8;}

/* ============ CTA ============ */
.sk-cta{
  position:relative;
  border-radius:var(--sk-r-xl);
  background:var(--sk-grad-deep);
  color:#fff;
  padding:56px 48px;
  overflow:hidden;
}
.sk-cta::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    radial-gradient(rgba(255,255,255,.16) 1px, transparent 1px),
    radial-gradient(rgba(255,255,255,.10) 1px, transparent 1px);
  background-size:130px 130px, 200px 200px;
  background-position:20px 30px, 110px 100px;
  opacity:.5;
  pointer-events:none;
}
.sk-cta .cta-inner{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:40px;
  align-items:center;
}
.sk-cta h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.sk-cta p{color:rgba(255,255,255,.76);font-size:15px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}
.sk-form{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--sk-r-lg);
  padding:24px;
}
.sk-form label{
  display:block;font-size:14px;font-weight:600;color:#fff;margin-bottom:8px;
}
.sk-form .field-row{display:flex;gap:12px;}
.sk-form input[type="text"],
.sk-form input[type="email"]{
  flex:1 1 auto;
  min-width:0;
  height:48px;
  padding:0 16px;
  border-radius:var(--sk-r-md);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  color:#fff;
  font-size:15px;
  transition:border-color .2s ease,background .2s ease;
}
.sk-form input::placeholder{color:rgba(255,255,255,.5);}
.sk-form input:focus{
  outline:none;
  border-color:var(--sk-teal);
  box-shadow:none;
  background:rgba(255,255,255,.12);
}
.sk-form .btn-brand{flex:0 0 auto;}
.form-tip{margin-top:12px;font-size:13px;color:var(--sk-teal);min-height:20px;}
.form-tip.error{color:#FFC2CC;}
@media (max-width:991px){
  .sk-cta{padding:40px 24px;border-radius:var(--sk-r-lg);}
  .sk-cta .cta-inner{grid-template-columns:minmax(0,1fr);gap:28px;}
}
@media (max-width:575px){
  .sk-form .field-row{flex-direction:column;}
  .sk-form .btn-brand{width:100%;}
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--sk-grad-deep);
  color:rgba(255,255,255,.72);
  margin-top:96px;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    radial-gradient(rgba(255,255,255,.14) 1px, transparent 1px),
    radial-gradient(rgba(255,255,255,.09) 1px, transparent 1px);
  background-size:150px 150px, 240px 240px;
  background-position:10px 20px, 100px 110px;
  opacity:.45;
  pointer-events:none;
}
.footer-inner{position:relative;z-index:1;padding:64px 20px 0;}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.2fr);
  gap:40px;
  padding-bottom:44px;
}
@media (max-width:991px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}}
@media (max-width:575px){.footer-grid{grid-template-columns:minmax(0,1fr);}}
.site-footer .brand-mark{background:rgba(255,255,255,.12);box-shadow:none;}
.site-footer .brand-txt strong{color:#fff;}
.site-footer .brand-txt small{color:rgba(255,255,255,.55);}
.footer-desc{
  margin-top:16px;
  font-size:13px;
  line-height:1.9;
  color:rgba(255,255,255,.6);
  max-width:340px;
}
.site-footer h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  font-weight:600;
}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul li a{
  font-size:14px;
  color:rgba(255,255,255,.68);
  transition:color .2s ease;
}
.site-footer ul li a:hover{color:var(--sk-teal);}
.footer-contact li{
  font-size:14px;
  color:rgba(255,255,255,.68);
  line-height:1.8;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:20px 0 24px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.to-top{
  width:44px;height:44px;
  border-radius:50%;
  background:var(--sk-grad-amber);
  color:#1A1730;
  font-size:18px;font-weight:700;
  display:grid;place-items:center;
  box-shadow:var(--sk-sh-amber);
  transition:transform .2s ease;
}
.to-top:hover{transform:translateY(-3px);}

/* 淡入 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s ease,transform .3s ease;}
.reveal.is-in{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}