/* roulang page: index */
:root{
  --c-primary:#241C4A;
  --c-primary-2:#3A2F73;
  --c-dark:#14102B;
  --c-dark-text:#F2F1F8;
  --c-dark-sub:#B9B3D6;
  --c-cyan:#35D6C4;
  --c-orange:#FF7A2F;
  --c-bg:#F7F6FB;
  --c-bg-2:#EFEDF7;
  --c-card:#FFFFFF;
  --c-text:#1C1930;
  --c-text-2:#5A5573;
  --c-text-3:#8E89A6;
  --c-line:#E4E1EF;
  --c-success:#2FB88A;
  --c-warn:#E8B33A;
  --c-error:#E0553F;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,25,48,.06),0 8px 24px rgba(28,25,48,.06);
  --sh-2:0 4px 12px rgba(28,25,48,.08),0 18px 40px rgba(36,28,74,.14);
  --sp-section:96px;
  --tr:200ms cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  letter-spacing:.02em;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;letter-spacing:0;line-height:1.3;color:var(--c-text)}
p{margin:0}
a{color:var(--c-primary);text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--c-orange)}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-cyan);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--tr),background var(--tr);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(12px);
  box-shadow:0 2px 16px rgba(28,25,48,.08);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-2));
  position:relative;display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(36,28,74,.24);
}
.brand-mark::before{
  content:"";position:absolute;width:8px;height:8px;border-radius:50%;
  background:var(--c-cyan);top:8px;left:8px;box-shadow:0 0 8px var(--c-cyan);
}
.brand-mark::after{
  content:"";position:absolute;width:18px;height:18px;border-radius:50%;
  border:1.6px solid rgba(255,255,255,.75);border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(35deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:17px;font-weight:700;color:var(--c-text)}
.brand-text span{font-size:11px;color:var(--c-text-3);letter-spacing:.16em}
.nav-channels{display:flex;align-items:center;gap:26px;flex:1}
.nav-channels a{
  position:relative;font-size:15px;font-weight:500;color:var(--c-text-2);
  padding:6px 2px;white-space:nowrap;
}
.nav-channels a::after{
  content:"";position:absolute;left:50%;bottom:0;height:2px;width:0;
  background:var(--c-cyan);border-radius:2px;transform:translateX(-50%);
  transition:width var(--tr);
}
.nav-channels a:hover{color:var(--c-primary)}
.nav-channels a:hover::after{width:100%}
.nav-channels a.is-active{color:var(--c-primary);font-weight:600}
.nav-channels a.is-active::after{width:100%}
.nav-tools{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--c-bg-2);border:1px solid transparent;
  transition:border-color var(--tr),background var(--tr);
}
.nav-search:focus-within{border-color:var(--c-cyan);background:#fff}
.nav-search i{color:var(--c-text-3);font-size:14px}
.nav-search input{
  border:none;background:transparent;outline:none;width:150px;
  font-size:14px;color:var(--c-text);
}
.nav-search input::placeholder{color:var(--c-text-3)}
.nav-login{font-size:14px;font-weight:500;color:var(--c-text-2);padding:8px 4px}
.nav-login:hover{color:var(--c-primary)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;font-weight:500;
  border-radius:var(--r-pill);padding:0 24px;height:44px;
  font-size:15px;line-height:1;transition:all var(--tr);
}
.btn-primary{background:var(--c-orange);color:#fff;box-shadow:0 6px 16px rgba(255,122,47,.28)}
.btn-primary:hover{background:#f26a1c;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,47,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-cyan);border:1.5px solid var(--c-cyan)}
.btn-ghost:hover{background:rgba(53,214,196,.12);color:var(--c-cyan);transform:translateY(-1px)}
.btn-dark{background:var(--c-primary);color:#fff}
.btn-dark:hover{background:var(--c-primary-2);color:#fff;transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 20px;font-size:14px}
.nav-burger{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--c-bg-2);border:none;cursor:pointer;color:var(--c-primary);
  font-size:18px;
}

/* ===== hero ===== */
.hero{
  position:relative;overflow:hidden;
  background:var(--c-dark);
  color:var(--c-dark-text);
  min-height:560px;display:flex;align-items:center;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center right;
  opacity:.42;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(20,16,43,.96) 0%,rgba(20,16,43,.86) 42%,rgba(20,16,43,.55) 100%);
}
.hero-stars{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 22%,rgba(255,255,255,.9),transparent),
    radial-gradient(1.2px 1.2px at 28% 68%,rgba(53,214,196,.8),transparent),
    radial-gradient(1.8px 1.8px at 46% 30%,rgba(255,255,255,.7),transparent),
    radial-gradient(1.2px 1.2px at 62% 78%,rgba(255,255,255,.6),transparent),
    radial-gradient(1.6px 1.6px at 78% 18%,rgba(53,214,196,.75),transparent),
    radial-gradient(1.2px 1.2px at 88% 62%,rgba(255,255,255,.7),transparent),
    radial-gradient(1.4px 1.4px at 36% 88%,rgba(255,255,255,.5),transparent);
  opacity:.9;
}
.hero-inner{position:relative;z-index:2;padding:96px 0 88px}
.hero-text{max-width:640px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(53,214,196,.16);border:1px solid rgba(53,214,196,.4);
  color:var(--c-cyan);font-size:13px;font-weight:500;margin-bottom:22px;
}
.hero-tag i{font-size:12px}
.hero h1{
  font-size:46px;line-height:1.18;color:#fff;font-weight:700;
  margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--c-cyan)}
.hero-sub{
  font-size:17px;line-height:1.85;color:var(--c-dark-sub);
  margin-bottom:32px;max-width:560px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:48px}
.hero-cta .btn{height:50px;padding:0 30px;font-size:16px}
.hero-metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  border-top:1px solid rgba(255,255,255,.12);padding-top:32px;
}
.metric b{
  display:block;font-size:26px;font-weight:700;color:#fff;line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.metric b span{font-size:13px;font-weight:400;color:var(--c-dark-sub);margin-left:4px}
.metric p{font-size:13px;color:var(--c-dark-sub);margin-top:4px}

/* ===== section base ===== */
.section{padding:var(--sp-section) 0}
.section-alt{background:var(--c-bg-2)}
.section-dark{background:var(--c-dark);color:var(--c-dark-text)}
.section-dark h2,.section-dark h3{color:#F2F1F8}
.section-dark p{color:var(--c-dark-sub)}
.sec-head{margin-bottom:44px;max-width:720px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-eyebrow{
  display:inline-block;font-size:13px;font-weight:500;letter-spacing:.14em;
  color:var(--c-cyan);margin-bottom:12px;text-transform:uppercase;
}
.sec-head h2{font-size:32px;line-height:1.3}
.sec-head p{margin-top:14px;font-size:16px;color:var(--c-text-2);line-height:1.85}
.section-dark .sec-head p{color:var(--c-dark-sub)}
.sec-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;
}
.sec-head-row .sec-head{margin-bottom:0}
.link-more{font-size:14px;font-weight:500;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-more:hover{color:var(--c-orange);gap:10px}
.link-more i{transition:transform var(--tr)}

/* ===== play zigzag ===== */
.play-list{display:grid;gap:0}
.play-row{
  display:grid;grid-template-columns:120px 1fr;gap:32px;
  padding:36px 0;border-bottom:1px solid var(--c-line);
  align-items:start;
}
.play-row:last-child{border-bottom:none}
.play-idx{
  font-size:52px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1.6px var(--c-cyan);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.play-body h3{font-size:21px;margin-bottom:12px}
.play-body p{font-size:16px;color:var(--c-text-2);line-height:1.85;margin-bottom:8px}
.play-body p:last-child{margin-bottom:0}

/* ===== rewards ===== */
.reward-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.reward-card{
  background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;
  transition:transform var(--tr),box-shadow var(--tr);
  display:flex;flex-direction:column;
}
.reward-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.reward-card.large{grid-column:span 2;grid-row:span 2;border-radius:var(--r-lg)}
.reward-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary)}
.reward-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--tr)}
.reward-card:hover .reward-media img{transform:scale(1.03)}
.reward-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:5px 13px;border-radius:var(--r-pill);
  background:var(--c-orange);color:#fff;font-size:12px;font-weight:500;
}
.tag-cyan{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(53,214,196,.94);color:#0d2b28;font-size:12px;font-weight:500;
}
.reward-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.reward-card.large .reward-body{padding:28px}
.reward-body h3{font-size:17px;line-height:1.4}
.reward-card.large .reward-body h3{font-size:22px}
.reward-body p{font-size:14px;color:var(--c-text-2);line-height:1.75}
.reward-link{
  margin-top:auto;padding-top:6px;font-size:13px;font-weight:500;color:var(--c-primary);
  display:inline-flex;align-items:center;gap:6px;
}
.reward-card:hover .reward-link{color:var(--c-orange)}

/* ===== progress ===== */
.progress-panel{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-lg);
  padding:44px 40px;
  position:relative;overflow:hidden;
}
.progress-panel::before{
  content:"";position:absolute;left:-10%;right:-10%;top:52%;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,214,196,.45),transparent);
}
.step-track{
  position:relative;height:8px;border-radius:8px;
  background:rgba(255,255,255,.12);margin:44px 0 0;
}
.step-fill{
  position:absolute;left:0;top:0;bottom:0;border-radius:8px;
  background:linear-gradient(90deg,var(--c-primary-2),var(--c-cyan));
  width:58%;
}
.step-dots{
  display:grid;grid-template-columns:repeat(5,1fr);margin-top:-14px;position:relative;z-index:2;
}
.step-dot{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}
.step-dot i{
  width:16px;height:16px;border-radius:50%;
  background:var(--c-dark);border:2px solid rgba(255,255,255,.28);
  display:block;transition:all var(--tr);
}
.step-dot.is-done i{background:var(--c-cyan);border-color:var(--c-cyan)}
.step-dot.is-current i{
  transform:scale(1.2);background:var(--c-orange);border-color:var(--c-orange);
  box-shadow:0 0 0 6px rgba(255,122,47,.18);
}
.step-dot span{font-size:13px;color:var(--c-dark-sub);line-height:1.5}
.step-dot.is-current span{color:#fff;font-weight:500}
.step-dot.is-done span{color:#DFF9F6}

/* ===== news / cms ===== */
.news-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.news-card{
  background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d9d5ea}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--tr)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-thumb .tag-cyan{top:12px;left:12px}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{
  font-size:17px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover h3{color:var(--c-primary)}
.news-body p{
  font-size:14px;color:var(--c-text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-text-3);
}
.news-foot i{color:var(--c-primary);transition:transform var(--tr)}
.news-card:hover .news-foot i{transform:translateX(3px)}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;
  background:var(--c-card);border:1px dashed var(--c-line);border-radius:var(--r-lg);
}
.empty-state .ico{
  width:62px;height:62px;border-radius:50%;margin:0 auto 18px;
  background:var(--c-bg-2);display:flex;align-items:center;justify-content:center;
  color:var(--c-cyan);font-size:24px;
}
.empty-state h3{font-size:18px;margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--c-text-2);margin-bottom:20px}

/* ===== voice / proof ===== */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.voice-card{
  background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:28px;
  display:flex;flex-direction:column;gap:16px;
  transition:transform var(--tr),box-shadow var(--tr);
}
.voice-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.voice-quote{font-size:15px;line-height:1.85;color:var(--c-text-2)}
.voice-person{display:flex;align-items:center;gap:12px;margin-top:auto}
.voice-avatar{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-2));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:600;
}
.voice-person b{display:block;font-size:14px;font-weight:600}
.voice-person span{font-size:12px;color:var(--c-text-3)}
.stars{color:var(--c-warn);font-size:13px;letter-spacing:2px}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:880px;margin:0 auto}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;
  transition:box-shadow var(--tr),border-color var(--tr);
}
.faq-item:hover{border-color:#d9d5ea}
.faq-item.is-open{box-shadow:var(--sh-1)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:16px;font-weight:500;color:var(--c-text);line-height:1.6;
  transition:color var(--tr);
}
.faq-q:hover{color:var(--c-primary)}
.faq-item.is-open .faq-q{color:var(--c-primary)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:var(--c-bg-2);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:500;transition:all var(--tr);
}
.faq-item.is-open .faq-icon{background:var(--c-primary);color:#fff;transform:rotate(180deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height var(--tr);
}
.faq-a-inner{padding:0 24px 24px;font-size:15px;line-height:1.85;color:var(--c-text-2)}
.faq-item.is-open .faq-a{max-height:400px}

/* ===== CTA ===== */
.cta-band{
  background:var(--c-dark);color:var(--c-dark-text);
  padding:38px 0;
}
.cta-band-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h3{font-size:22px;color:#fff;margin-bottom:6px}
.cta-band p{font-size:14px;color:var(--c-dark-sub)}

/* ===== footer ===== */
.site-footer{background:var(--c-dark);color:var(--c-dark-sub);padding:72px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;
  padding-bottom:52px;
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text span{color:var(--c-dark-sub)}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--c-dark-sub)}
.footer-col h4{font-size:14px;color:var(--c-cyan);margin-bottom:18px;font-weight:600;letter-spacing:.04em}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:var(--c-dark-sub);display:inline-block;transition:all var(--tr)}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-contact li{font-size:14px;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.footer-contact i{color:var(--c-cyan);width:16px;text-align:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:var(--c-text-3);
}
.footer-bottom a{color:var(--c-dark-sub)}
.footer-bottom a:hover{color:#fff}

/* ===== mobile nav ===== */
.mobile-drawer{
  position:fixed;inset:0 0 0 auto;width:min(320px,86vw);
  background:#fff;z-index:200;transform:translateX(100%);
  transition:transform 240ms cubic-bezier(.2,.7,.3,1);
  padding:24px;box-shadow:-8px 0 40px rgba(28,25,48,.16);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.mobile-drawer .drawer-head{
  display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;
}
.drawer-close{
  width:38px;height:38px;border-radius:12px;border:none;cursor:pointer;
  background:var(--c-bg-2);color:var(--c-primary);font-size:16px;
}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}
.drawer-links a{
  padding:14px 12px;border-radius:var(--r-sm);font-size:15px;font-weight:500;color:var(--c-text-2);
  transition:all var(--tr);
}
.drawer-links a:hover,.drawer-links a.is-active{background:var(--c-bg-2);color:var(--c-primary)}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:48px;padding:0 16px;
  background:var(--c-bg-2);border-radius:var(--r-sm);margin-bottom:18px;
}
.drawer-search input{border:none;background:transparent;outline:none;flex:1;font-size:15px}
.drawer-actions{display:flex;flex-direction:column;gap:12px}
.overlay{
  position:fixed;inset:0;background:rgba(20,16,43,.5);z-index:150;
  opacity:0;visibility:hidden;transition:opacity var(--tr),visibility var(--tr);
}
.overlay.is-open{opacity:1;visibility:visible}

/* ===== responsive ===== */
@media (max-width:1024px){
  :root{--sp-section:76px}
  .nav-channels{gap:18px}
  .nav-channels a{font-size:14px}
  .nav-search input{width:110px}
  .hero h1{font-size:38px}
  .hero-metrics{grid-template-columns:repeat(2,1fr);gap:22px}
  .reward-grid{grid-template-columns:repeat(2,1fr)}
  .reward-card.large{grid-column:span 2;grid-row:auto}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .voice-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px}
}
@media (max-width:900px){
  .nav-channels,.nav-search,.nav-login{display:none}
  .nav-burger{display:flex;align-items:center;justify-content:center}
  .nav-wrap{justify-content:space-between;height:66px}
  .nav-tools{gap:10px}
  .nav-tools .btn-primary{height:40px;padding:0 18px;font-size:14px}
}
@media (max-width:640px){
  :root{--sp-section:60px}
  .container{padding:0 20px}
  .hero{min-height:420px}
  .hero-inner{padding:58px 0 56px}
  .hero h1{font-size:27px;line-height:1.3}
  .hero-sub{font-size:15px}
  .hero-cta{gap:12px}
  .hero-cta .btn{flex:1 1 auto;height:48px;padding:0 18px;font-size:15px}
  .hero-metrics{grid-template-columns:1fr 1fr;gap:18px;padding-top:26px}
  .metric b{font-size:22px}
  .sec-head h2{font-size:22px}
  .sec-head p{font-size:15px}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:12px}
  .play-row{grid-template-columns:1fr;gap:14px;padding:26px 0}
  .play-idx{font-size:38px}
  .reward-grid,.news-grid,.voice-grid{grid-template-columns:1fr}
  .reward-card.large{grid-column:span 1}
  .progress-panel{padding:28px 20px}
  .step-track{margin-top:30px}
  .step-dot span{font-size:11px}
  .faq-q{padding:18px;font-size:15px}
  .faq-a-inner{padding:0 18px 20px;font-size:14px}
  .cta-band-inner{flex-direction:column;align-items:flex-start}
  .cta-band h3{font-size:19px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .site-footer{padding-top:52px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reward-card:hover,.news-card:hover,.voice-card:hover{transform:none}
}

/* roulang page: article */
:root{
  --c-primary:#241C4A;
  --c-primary-soft:#3A2F73;
  --c-dark:#14102B;
  --c-dark-text:#F2F1F8;
  --c-dark-sub:#B9B3D6;
  --c-cyan:#35D6C4;
  --c-orange:#FF7A2F;
  --c-bg:#F7F6FB;
  --c-bg-2:#EFEDF7;
  --c-card:#FFFFFF;
  --t-main:#1C1930;
  --t-sub:#5A5573;
  --t-weak:#8E89A6;
  --line:#E4E1EF;
  --ok:#2FB88A;
  --warn:#E8B33A;
  --err:#E0553F;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(28,25,48,.06),0 8px 24px rgba(28,25,48,.06);
  --shadow-2:0 4px 12px rgba(28,25,48,.08),0 18px 40px rgba(36,28,74,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:200ms;
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t-main);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  letter-spacing:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease),transform var(--dur) var(--ease);}
a:hover{color:var(--c-primary);}
button{font-family:inherit;cursor:pointer;}
input,textarea{font-family:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-cyan);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(247,246,251,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease);
  backdrop-filter:saturate(140%) blur(6px);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(28,25,48,.08);background:rgba(247,246,251,.88);}
.nav-wrap{display:flex;align-items:center;gap:28px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:30px;height:30px;border-radius:50%;
  background:
    radial-gradient(circle at 50% 50%, var(--c-cyan) 0 2px, transparent 2px),
    radial-gradient(circle at 26% 74%, var(--c-orange) 0 2.2px, transparent 2.2px),
    conic-gradient(from 210deg, var(--c-primary) 0 62%, var(--c-primary-soft) 62% 100%);
  position:relative;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
}
.brand-mark::after{
  content:"";position:absolute;inset:5px;border-radius:50%;
  border:1.5px solid rgba(255,255,255,.55);border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(-25deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;font-weight:700;color:var(--c-primary);letter-spacing:0;}
.brand-text span{font-size:10px;letter-spacing:.18em;color:var(--t-weak);}
.nav-channels{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-channels a{
  position:relative;font-size:15px;font-weight:500;color:var(--t-sub);padding:6px 0;
}
.nav-channels a::after{
  content:"";position:absolute;left:50%;bottom:0;height:2px;width:0;background:var(--c-cyan);
  transform:translateX(-50%);transition:width var(--dur) var(--ease);border-radius:2px;
}
.nav-channels a:hover{color:var(--c-primary);}
.nav-channels a:hover::after{width:100%;}
.nav-channels a.is-active{color:var(--c-primary);font-weight:600;}
.nav-channels a.is-active::after{width:100%;}
.nav-tools{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);width:216px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.nav-search i{color:var(--t-weak);font-size:13px;}
.nav-search input{border:0;background:transparent;outline:none;font-size:14px;color:var(--t-main);width:100%;}
.nav-search input::placeholder{color:var(--t-weak);}
.nav-search:focus-within{border-color:var(--c-cyan);box-shadow:0 0 0 3px rgba(53,214,196,.16);}
.nav-login{font-size:15px;color:var(--t-sub);font-weight:500;padding:6px 4px;}
.nav-login:hover{color:var(--c-primary);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:var(--r-pill);font-weight:500;font-size:15px;
  padding:12px 24px;line-height:1.2;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-sm{padding:9px 20px;font-size:14px;}
.btn-primary{background:var(--c-orange);color:#fff;box-shadow:0 6px 16px rgba(255,122,47,.26);}
.btn-primary:hover{background:#F06A1E;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,47,.3);}
.btn-ghost{background:transparent;color:var(--c-cyan);border:1.5px solid var(--c-cyan);}
.btn-ghost:hover{background:rgba(53,214,196,.1);color:var(--c-cyan);transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--c-primary);border:1px solid var(--line);}
.btn-outline:hover{background:rgba(36,28,74,.08);color:var(--c-primary);transform:translateY(-1px);}
.nav-burger{display:none;background:transparent;border:1px solid var(--line);border-radius:10px;width:40px;height:40px;color:var(--c-primary);}

/* ---------- reading progress ---------- */
.read-progress{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:1200;
  background:linear-gradient(90deg,var(--c-primary),var(--c-cyan));
  transition:width 120ms linear;
}

/* ---------- article head ---------- */
.article-main{padding:40px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-weak);}
.breadcrumb a{color:var(--t-weak);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C9C4DC;}
.breadcrumb .current{color:var(--t-sub);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{padding:22px 0 30px;border-bottom:1px solid var(--line);}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;color:var(--c-primary);
  background:rgba(53,214,196,.14);border:1px solid rgba(53,214,196,.4);
  padding:5px 14px;border-radius:var(--r-pill);
}
.article-head h1{
  font-size:38px;line-height:1.35;font-weight:700;color:var(--t-main);
  margin:16px 0 14px;letter-spacing:0;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:13px;color:var(--t-weak);}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{color:var(--c-cyan);font-size:12px;}

/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;
  padding:44px 0 0;align-items:start;
}
.article-body-col{min-width:0;max-width:740px;}

/* ---------- article content ---------- */
.article-content{font-size:17px;line-height:1.9;color:#262238;}
.article-content p{margin:0 0 1.15em;}
.article-content h2{
  position:relative;font-size:23px;line-height:1.5;font-weight:700;color:var(--t-main);
  margin:2em 0 .8em;padding-left:14px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:4px;
  background:var(--c-cyan);
}
.article-content h3{font-size:19px;line-height:1.6;font-weight:600;color:var(--t-main);margin:1.7em 0 .6em;}
.article-content h4{font-size:17px;font-weight:600;color:var(--c-primary);margin:1.4em 0 .5em;}
.article-content ul,.article-content ol{margin:0 0 1.15em;padding-left:1.35em;}
.article-content li{margin-bottom:.5em;}
.article-content ul li::marker{color:var(--c-cyan);}
.article-content ol li::marker{color:var(--c-primary);font-weight:600;}
.article-content a{color:var(--c-primary);border-bottom:1px solid rgba(53,214,196,.6);}
.article-content a:hover{color:var(--c-primary-soft);border-bottom-color:var(--c-primary-soft);}
.article-content img{border-radius:var(--r-sm);margin:1.4em 0;width:100%;height:auto;}
.article-content figure{margin:1.6em 0;}
.article-content figcaption{font-size:13px;color:var(--t-weak);text-align:center;margin-top:8px;}
.article-content blockquote{
  margin:1.5em 0;padding:16px 22px;
  border-left:4px solid var(--c-primary);
  background:rgba(36,28,74,.05);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--t-sub);font-size:16px;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content table{
  width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
}
.article-content thead{background:var(--c-bg-2);}
.article-content th,.article-content td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-content tbody tr:last-child td{border-bottom:0;}
.article-content code{
  background:rgba(36,28,74,.07);padding:2px 6px;border-radius:6px;font-size:15px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-content pre{
  background:var(--c-dark);color:var(--c-dark-text);padding:18px 20px;border-radius:var(--r-sm);
  overflow-x:auto;font-size:14px;line-height:1.7;margin:1.5em 0;
}
.article-content pre code{background:transparent;color:inherit;padding:0;}
.article-content hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}

/* ---------- empty state ---------- */
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);
}
.empty-mark{
  width:78px;height:78px;margin:0 auto 20px;border-radius:50%;
  background:
    radial-gradient(circle at 36% 32%, var(--c-cyan) 0 3px, transparent 3px),
    radial-gradient(circle at 68% 62%, var(--c-orange) 0 3px, transparent 3px),
    radial-gradient(circle at 50% 78%, rgba(255,255,255,.75) 0 2px, transparent 2px),
    linear-gradient(150deg,var(--c-primary),var(--c-primary-soft));
}
.empty-state h2{font-size:20px;font-weight:600;color:var(--t-main);margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--t-sub);margin-bottom:22px;}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow-1);
}
.side-title{
  font-size:14px;font-weight:600;color:var(--c-primary);letter-spacing:.02em;
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.side-title::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-cyan);}
.toc-list{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.toc-list a{color:var(--t-sub);display:block;padding-left:12px;border-left:2px solid var(--line);line-height:1.6;}
.toc-list a:hover{color:var(--c-primary);border-left-color:var(--c-cyan);}
.side-posts{display:flex;flex-direction:column;gap:14px;}
.side-post{display:flex;gap:12px;align-items:flex-start;}
.side-post .thumb{
  width:66px;height:44px;border-radius:10px;overflow:hidden;flex-shrink:0;background:var(--c-primary);
}
.side-post .thumb img{width:100%;height:100%;object-fit:cover;}
.side-post h5{margin:0;font-size:14px;font-weight:500;line-height:1.55;color:var(--t-main);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.side-post:hover h5{color:var(--c-primary);}
.side-post time{font-size:12px;color:var(--t-weak);}
.side-cta{
  background:linear-gradient(150deg,var(--c-primary),var(--c-primary-soft));
  border-radius:var(--r-md);padding:24px;color:var(--c-dark-text);
}
.side-cta h4{font-size:16px;font-weight:600;margin-bottom:8px;color:#fff;}
.side-cta p{font-size:13px;line-height:1.7;color:var(--c-dark-sub);margin-bottom:16px;}

/* ---------- related ---------- */
.related{padding:var(--space-section) 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:26px;font-weight:700;color:var(--t-main);line-height:1.4;}
.section-head .more{font-size:14px;font-weight:500;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.section-head .more:hover{color:var(--c-orange);}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.post-card{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px;box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D9D4EC;}
.post-card .thumb{width:88px;height:60px;border-radius:10px;overflow:hidden;flex-shrink:0;background:var(--c-primary);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur) var(--ease);}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card h3{font-size:15px;font-weight:600;line-height:1.55;color:var(--t-main);margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card:hover h3{color:var(--c-primary);}
.post-card time{font-size:12px;color:var(--t-weak);}
.back-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

/* ---------- cta bar ---------- */
.cta-bar{margin-top:var(--space-section);background:var(--c-dark);color:var(--c-dark-text);}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:34px 0;}
.cta-inner p{margin:0;font-size:17px;font-weight:500;color:var(--c-dark-text);}
.cta-inner .cta-sub{font-size:13px;color:var(--c-dark-sub);margin-top:4px;font-weight:400;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:var(--c-dark-sub);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand-text b{color:#fff;}
.footer-brand .brand-text span{color:var(--c-dark-sub);}
.footer-brand .brand-mark{background:
    radial-gradient(circle at 50% 50%, var(--c-cyan) 0 2px, transparent 2px),
    radial-gradient(circle at 26% 74%, var(--c-orange) 0 2.2px, transparent 2.2px),
    linear-gradient(150deg,#3A2F73,#241C4A);}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--c-dark-sub);margin-top:16px;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-cyan);margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:var(--c-dark-sub);display:inline-block;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-dark-sub);}
.footer-contact i{color:var(--c-cyan);font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:#8A84AA;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--space-section:72px;}
  .article-layout{grid-template-columns:1fr;gap:40px;}
  .article-body-col{max-width:100%;}
  .article-side{position:static;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .nav-channels{display:none;}
  .nav-search{display:none;}
  .nav-burger{display:inline-flex;align-items:center;justify-content:center;}
  .article-head h1{font-size:30px;}
}
@media (max-width:640px){
  :root{--space-section:56px;}
  .container{padding:0 20px;}
  .nav-wrap{min-height:64px;gap:14px;}
  .article-main{padding-top:24px;}
  .article-head h1{font-size:26px;line-height:1.4;}
  .article-content{font-size:17px;}
  .article-content h2{font-size:20px;}
  .article-content h3{font-size:18px;}
  .related-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:28px 0;}
  .cta-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .breadcrumb .current{max-width:200px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .post-card:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --c-primary:#241C4A;
  --c-primary-light:#3A2F73;
  --c-dark:#14102B;
  --c-mint:#35D6C4;
  --c-orange:#FF7A2F;
  --c-bg:#F7F6FB;
  --c-bg-2:#EFEDF7;
  --c-card:#FFFFFF;
  --t-main:#1C1930;
  --t-sub:#5A5573;
  --t-weak:#8E89A6;
  --line:#E4E1EF;
  --ok:#2FB88A;
  --warn:#E8B33A;
  --err:#E0553F;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(28,25,48,.06),0 8px 24px rgba(28,25,48,.06);
  --shadow-2:0 4px 12px rgba(28,25,48,.08),0 18px 40px rgba(36,28,74,.14);
  --space-section:96px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t-main);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
h1,h2,h3,h4,p,ul,li,figure{margin:0;padding:0}
ul{list-style:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--c-mint);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;line-height:1;white-space:nowrap;
  transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  border:1px solid transparent;
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--c-orange);color:#fff;box-shadow:0 6px 18px rgba(255,122,47,.28)}
.btn-primary:hover{background:#F26A1B;transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,122,47,.32)}
.btn-ghost{border-color:var(--c-mint);color:var(--c-mint);background:rgba(53,214,196,.06)}
.btn-ghost:hover{background:rgba(53,214,196,.16);transform:translateY(-1px)}
.btn-ink{background:var(--c-primary);color:#fff}
.btn-ink:hover{background:var(--c-primary-light);transform:translateY(-1px)}
.btn:disabled{filter:saturate(.6);cursor:not-allowed;transform:none}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease),background-color .22s var(--ease);
}
.site-header.is-scrolled{background:rgba(255,255,255,.88);box-shadow:0 6px 24px rgba(28,25,48,.08);backdrop-filter:blur(8px)}
.nav-wrap{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:30px;height:30px;border-radius:10px;position:relative;flex:0 0 auto;
  background:linear-gradient(140deg,var(--c-primary) 0%,var(--c-primary-light) 100%);
}
.brand-mark::before{content:"";position:absolute;inset:11px;border-radius:50%;background:var(--c-mint)}
.brand-mark::after{
  content:"";position:absolute;left:5px;right:5px;top:12px;height:8px;border-radius:50%;
  border:2px solid var(--c-orange);transform:rotate(-28deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:17px;font-weight:700;letter-spacing:0;color:var(--t-main)}
.brand-text span{font-size:10px;letter-spacing:.18em;color:var(--t-weak);text-transform:uppercase}
.nav-channels{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-channels a{
  position:relative;padding:6px 2px;font-size:15px;color:var(--t-sub);
}
.nav-channels a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;border-radius:2px;
  background:var(--c-mint);transition:left .22s var(--ease),right .22s var(--ease);
}
.nav-channels a:hover{color:var(--c-primary)}
.nav-channels a:hover::after{left:0;right:0}
.nav-channels a.is-active{color:var(--c-primary);font-weight:600}
.nav-channels a.is-active::after{left:0;right:0}
.nav-tools{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search i{position:absolute;left:14px;font-size:13px;color:var(--t-weak);pointer-events:none}
.nav-search input{
  width:210px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--c-bg-2);
  padding:0 16px 0 36px;font-size:14px;color:var(--t-main);
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.nav-search input::placeholder{color:var(--t-weak)}
.nav-search input:focus{outline:none;border-color:var(--c-mint);background:#fff;box-shadow:0 0 0 3px rgba(53,214,196,.18)}
.nav-login{font-size:15px;color:var(--t-sub)}
.nav-login:hover{color:var(--c-primary)}
.nav-burger{display:none;width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--line);color:var(--c-primary)}

/* ---------- 页面头 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-color:var(--c-dark);
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center right;
  color:#F2F1F8;
  padding:52px 0 56px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,16,43,.96) 0%,rgba(20,16,43,.88) 45%,rgba(36,28,74,.62) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(1.5px 1.5px at 20% 30%,rgba(255,255,255,.8),transparent),
    radial-gradient(1.5px 1.5px at 68% 18%,rgba(53,214,196,.9),transparent),
    radial-gradient(1.5px 1.5px at 82% 62%,rgba(255,255,255,.7),transparent),
    radial-gradient(1.5px 1.5px at 38% 78%,rgba(255,122,47,.8),transparent);
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:#B9B3D6;margin-bottom:20px}
.breadcrumb a{color:#B9B3D6}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:rgba(255,255,255,.35)}
.breadcrumb strong{color:#fff;font-weight:600}
.page-hero h1{
  font-size:40px;line-height:1.2;font-weight:700;letter-spacing:0;max-width:820px;
}
.page-hero h1 em{font-style:normal;color:var(--c-mint)}
.hero-lead{margin-top:16px;font-size:17px;line-height:1.85;color:#B9B3D6;max-width:680px}
.hero-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tabs a{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);
  font-size:14px;color:#E7E5F3;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  transition:background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.hero-tabs a:hover{background:rgba(53,214,196,.16);border-color:var(--c-mint);transform:translateY(-1px)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ---------- 指标条 ---------- */
.stat-strip{
  background:#fff;border-bottom:1px solid var(--line);
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{padding:26px 24px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-item .num{font-size:26px;font-weight:700;color:var(--c-primary);display:block;line-height:1.2}
.stat-item .num small{font-size:13px;font-weight:500;color:var(--t-weak);margin-left:4px}
.stat-item p{margin-top:6px;font-size:14px;color:var(--t-sub)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space-section) 0}
.section-alt{background:var(--c-bg-2)}
.section-head{max-width:720px;margin-bottom:48px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(53,214,196,.14);color:#1D7F75;font-size:13px;font-weight:500;margin-bottom:16px;
}
.section-head h2{font-size:28px;line-height:1.32;font-weight:700}
.section-head p{margin-top:14px;font-size:16px;color:var(--t-sub)}

/* ---------- 图文交错 ---------- */
.zigzag{display:grid;gap:76px}
.zz{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.zz-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/10;
  background:var(--c-primary);box-shadow:var(--shadow-1);
}
.zz-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.zz:hover .zz-media img{transform:scale(1.03)}
.zz-media figcaption{
  position:absolute;left:16px;bottom:16px;z-index:2;
  padding:6px 14px;border-radius:var(--r-pill);font-size:12px;
  background:rgba(20,16,43,.72);color:#F2F1F8;backdrop-filter:blur(4px);
}
.zz-rev .zz-media{order:2}
.zz-index{
  display:inline-block;font-size:44px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px var(--c-mint);margin-bottom:14px;
}
.zz-body h3{font-size:22px;line-height:1.4;font-weight:700;margin-bottom:14px}
.zz-body p{font-size:16px;color:var(--t-sub);margin-bottom:14px}
.zz-body p:last-of-type{margin-bottom:0}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;background:var(--c-bg-2);color:var(--t-sub);border:1px solid var(--line);
}
.tag-mint{background:rgba(53,214,196,.14);color:#1D7F75;border-color:rgba(53,214,196,.3)}

/* ---------- 路线卡 ---------- */
.routes{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:stretch}
.route-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;display:flex;flex-direction:column;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.route-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.route-card .badge{
  align-self:flex-start;display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--c-orange);color:#fff;font-size:12px;font-weight:500;margin-bottom:18px;
}
.route-card.alt .badge{background:var(--c-primary)}
.route-card h3{font-size:21px;font-weight:700;line-height:1.4;margin-bottom:12px}
.route-card p{font-size:15.5px;color:var(--t-sub);margin-bottom:20px}
.route-list{margin-top:auto;display:grid;gap:10px}
.route-list li{display:flex;gap:10px;font-size:15px;color:var(--t-sub);align-items:flex-start}
.route-list i{color:var(--c-mint);font-size:13px;margin-top:7px}
.route-card .cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-md);margin-bottom:22px}

/* ---------- 深色节奏区 ---------- */
.dark-band{
  --t-main:#F2F1F8;--t-sub:#B9B3D6;--line:rgba(255,255,255,.10);
  position:relative;overflow:hidden;color:#F2F1F8;
  background-color:var(--c-dark);
  background-image:url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
  padding:var(--space-section) 0;
}
.dark-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,16,43,.94),rgba(20,16,43,.98));
}
.dark-band .container{position:relative;z-index:2}
.dark-band .section-head h2{color:#F2F1F8}
.dark-band .section-head p{color:#B9B3D6}
.dark-band .eyebrow{background:rgba(53,214,196,.16);color:var(--c-mint)}
.phase-wrap{margin-top:8px}
.phase-track{position:relative;height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.12);margin-bottom:28px}
.phase-bar{position:absolute;left:0;top:0;bottom:0;width:64%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--c-primary-light),var(--c-mint))}
.phase-dots{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.phase-dot{text-align:left}
.phase-dot .dot{
  width:14px;height:14px;border-radius:50%;background:rgba(255,255,255,.30);
  margin-bottom:12px;transition:transform .22s var(--ease);
}
.phase-dot.is-now .dot{background:var(--c-orange);transform:scale(1.2);box-shadow:0 0 0 4px rgba(255,122,47,.22)}
.phase-dot b{display:block;font-size:15px;font-weight:600;color:#F2F1F8;margin-bottom:4px}
.phase-dot span{font-size:13px;line-height:1.7;color:#B9B3D6}
.phase-note{margin-top:28px;font-size:13px;color:rgba(185,179,214,.85)}

/* ---------- 核对清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.check-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(53,214,196,.45)}
.check-card i{font-size:18px;color:var(--c-mint);margin-bottom:14px;display:block}
.check-card h3{font-size:17px;font-weight:600;margin-bottom:10px}
.check-card p{font-size:15px;color:var(--t-sub)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.accordion{border:0;background:transparent}
.accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:0 1px 2px rgba(28,25,48,.04);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.accordion .accordion-item.is-active{border-color:rgba(53,214,196,.55);box-shadow:var(--shadow-1)}
.accordion .accordion-title{
  display:block;font-size:16.5px;font-weight:600;color:var(--t-main);
  padding:20px 58px 20px 22px;border:0;background:none;position:relative;line-height:1.6;
}
.accordion .accordion-title:hover{color:var(--c-primary)}
.accordion .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--c-mint);line-height:1;
  transition:transform .2s var(--ease),color .2s var(--ease);
}
.accordion .accordion-item.is-active .accordion-title{color:var(--c-primary)}
.accordion .accordion-item.is-active .accordion-title::before{content:"−";color:var(--c-orange)}
.accordion .accordion-content{
  border:0;padding:0 22px 22px;font-size:15.5px;line-height:1.85;color:var(--t-sub);background:none;
}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--c-primary);color:#fff;padding:44px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
.cta-inner h2{font-size:23px;font-weight:700;line-height:1.4}
.cta-inner p{font-size:14.5px;color:#C9C4E4;margin-top:6px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#B9B3D6;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text span{color:rgba(185,179,214,.7)}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#B9B3D6;max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-mint);margin-bottom:18px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14.5px;color:#B9B3D6;display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;color:#B9B3D6;align-items:center}
.footer-contact i{color:var(--c-mint);font-size:13px;width:16px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(185,179,214,.8);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--space-section:76px}
  .nav-search input{width:160px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  .routes{grid-template-columns:1fr}
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav-channels{display:none}
  .nav-search{display:none}
  .nav-burger{display:inline-flex;align-items:center;justify-content:center}
  .nav-wrap.is-open .nav-channels{
    display:flex;flex-direction:column;align-items:flex-start;gap:4px;
    position:absolute;left:0;right:0;top:100%;background:#fff;
    padding:14px 24px 22px;border-bottom:1px solid var(--line);
    box-shadow:0 18px 40px rgba(36,28,74,.14);margin:0;
  }
  .nav-wrap.is-open .nav-channels a{width:100%;padding:12px 0;font-size:16px}
  .nav-wrap{position:relative}
}
@media (max-width:768px){
  .page-hero h1{font-size:30px}
  .page-hero{padding:38px 0 44px}
  .hero-lead{font-size:15.5px}
  .section-head h2{font-size:23px}
  .zz{grid-template-columns:1fr;gap:26px}
  .zz-rev .zz-media{order:0}
  .zz-media{aspect-ratio:16/9}
  .phase-dots{grid-template-columns:1fr 1fr;gap:20px}
  .check-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-brand p{max-width:none}
}
@media (max-width:520px){
  .container{padding:0 20px}
  :root{--space-section:60px}
  .brand-text span{display:none}
  .page-hero h1{font-size:26px}
  .hero-actions .btn{width:100%}
  .stat-grid{grid-template-columns:1fr}
  .stat-item{border-right:0!important;border-bottom:1px solid var(--line)}
  .stat-item:last-child{border-bottom:0}
  .section-head h2{font-size:22px}
  .route-card,.check-card{padding:22px}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .zz:hover .zz-media img{transform:none}
  .btn:hover,.route-card:hover,.check-card:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#1C1930;
  --ink-2:#5A5573;
  --ink-3:#8E89A6;
  --brand:#241C4A;
  --brand-2:#3A2F73;
  --dark:#14102B;
  --dark-text:#F2F1F8;
  --dark-text-2:#B9B3D6;
  --cyan:#35D6C4;
  --orange:#FF7A2F;
  --bg:#F7F6FB;
  --bg-2:#EFEDF7;
  --card:#FFFFFF;
  --line:#E4E1EF;
  --line-dark:rgba(255,255,255,.10);
  --ok:#2FB88A;
  --warn:#E8B33A;
  --err:#E0553F;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(28,25,48,.06), 0 8px 24px rgba(28,25,48,.06);
  --shadow-2:0 4px 12px rgba(28,25,48,.08), 0 18px 40px rgba(36,28,74,.14);
  --space-section:96px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
button{font-family:inherit;font-size:inherit;border:0;background:none;color:inherit;cursor:pointer;padding:0;margin:0;}
input{font-family:inherit;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
::selection{background:rgba(53,214,196,.28);}

/* ===== Foundation 默认观感覆盖 ===== */
body,button,input,select,textarea{font-family:var(--font);}
a{color:inherit;}
a:hover{color:inherit;}
button,.button{background:transparent;color:inherit;border:0;box-shadow:none;}
button:hover,.button:hover{background:transparent;color:inherit;}
ul,ol,dl{margin:0;list-style:none;}
input[type="search"],input[type="text"],input[type="email"]{height:auto;margin:0;border:0;box-shadow:none;background:transparent;}
.accordion{margin:0;}
.accordion-title{border:0;}

/* ===== 容器 ===== */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--space-section) 0;}
.section--tight{padding:72px 0;}
.section--light{background:var(--bg);}
.section--soft{background:var(--bg-2);}
.section--dark{
  background:var(--dark);
  color:var(--dark-text);
  position:relative;
  overflow:hidden;
}
.section--dark::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:34px 34px;
  opacity:.5;
  pointer-events:none;
}
.section--dark > *{position:relative;z-index:1;}

/* ===== 通用标题 ===== */
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.sec-head h2{
  font-size:28px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:0;
}
.sec-head p{
  margin-top:10px;
  color:var(--ink-2);
  font-size:16px;
  max-width:640px;
}
.sec-head .more{
  flex:none;
  font-size:14px;
  font-weight:500;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding-bottom:4px;
  border-bottom:1px solid var(--line);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.sec-head .more:hover{color:var(--brand-2);border-color:var(--brand-2);}
.section--dark .sec-head h2{color:var(--dark-text);}
.section--dark .sec-head p{color:var(--dark-text-2);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  letter-spacing:.02em;
  white-space:nowrap;
  border:1px solid transparent;
  transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.24);}
.btn-primary:hover{background:#F06C22;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);background:#DE611B;}
.btn-ghost{border-color:rgba(53,214,196,.7);color:var(--cyan);}
.btn-ghost:hover{background:rgba(53,214,196,.12);transform:translateY(-1px);}
.btn-outline{border-color:var(--line);color:var(--brand);background:#fff;}
.btn-outline:hover{border-color:var(--brand-2);background:rgba(36,28,74,.05);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--brand);}
.btn-light:hover{background:#F2F1F8;transform:translateY(-1px);}
.btn[disabled],.btn.is-disabled{opacity:.6;filter:saturate(.6);pointer-events:none;}

/* ===== 标签 / 胶囊 ===== */
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:500;
  line-height:1;
  letter-spacing:.02em;
  background:rgba(53,214,196,.14);
  color:#1F8A7E;
}
.pill--brand{background:rgba(36,28,74,.08);color:var(--brand);}
.pill--orange{background:rgba(255,122,47,.14);color:#C5541A;}

/* ===== 顶栏 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:130;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(150%) blur(10px);
  box-shadow:0 2px 16px rgba(28,25,48,.08);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:none;
}
.brand-mark{
  width:32px;
  height:32px;
  border-radius:10px;
  background:linear-gradient(140deg,var(--brand),var(--brand-2));
  position:relative;
  flex:none;
}
.brand-mark::before{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:9px;height:9px;
  margin:-4.5px 0 0 -4.5px;
  border-radius:50%;
  background:var(--cyan);
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:5px;right:5px;bottom:7px;
  height:11px;
  border:2px solid var(--orange);
  border-bottom:0;
  border-radius:12px 12px 0 0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16px;font-weight:700;letter-spacing:0;}
.brand-text span{font-size:11px;letter-spacing:.16em;color:var(--ink-3);}
.nav-channels{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:8px;
}
.nav-channels a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  padding:6px 0;
  transition:color .2s var(--ease);
}
.nav-channels a::after{
  content:"";
  position:absolute;
  left:50%;right:50%;
  bottom:0;
  height:2px;
  background:var(--cyan);
  border-radius:2px;
  transition:left .22s var(--ease),right .22s var(--ease);
}
.nav-channels a:hover{color:var(--brand);}
.nav-channels a:hover::after{left:0;right:0;}
.nav-channels a.is-active{color:var(--brand);font-weight:600;}
.nav-channels a.is-active::after{left:0;right:0;}
.nav-tools{
  display:flex;
  align-items:center;
  gap:16px;
  margin-left:auto;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:9px;
  height:40px;
  padding:0 16px;
  border-radius:var(--r-pill);
  background:var(--bg-2);
  border:1px solid transparent;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.nav-search i{color:var(--ink-3);font-size:13px;}
.nav-search input{
  width:150px;
  height:100%;
  background:transparent;
  border:0;
  outline:none;
  font-size:14px;
  color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search:focus-within{background:#fff;border-color:var(--cyan);}
.nav-login{font-size:14px;font-weight:500;color:var(--ink-2);transition:color .2s var(--ease);}
.nav-login:hover{color:var(--brand);}
.nav-burger{
  display:none;
  width:40px;height:40px;
  border-radius:var(--r-sm);
  align-items:center;
  justify-content:center;
  color:var(--brand);
  border:1px solid var(--line);
}
.nav-burger:hover{background:var(--bg-2);}

/* ===== 面包屑 ===== */
.crumb{
  padding:20px 0 0;
  font-size:13px;
  color:var(--ink-3);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.crumb a{transition:color .2s var(--ease);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--line);}
.crumb .cur{color:var(--ink);font-weight:600;}

/* ===== 分类页头 KV ===== */
.cat-hero{
  position:relative;
  margin-top:20px;
  border-radius:var(--r-lg);
  overflow:hidden;
  min-height:280px;
  display:flex;
  align-items:center;
  background-image:linear-gradient(90deg,rgba(20,16,43,.94) 0%,rgba(20,16,43,.78) 46%,rgba(20,16,43,.34) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center right;
  color:var(--dark-text);
}
.cat-hero-inner{
  padding:56px 48px;
  max-width:660px;
}
.cat-hero .kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:500;
  letter-spacing:.08em;
  color:var(--cyan);
  text-transform:uppercase;
}
.cat-hero h1{
  margin-top:14px;
  font-size:38px;
  line-height:1.28;
  font-weight:700;
  letter-spacing:0;
}
.cat-hero p{
  margin-top:16px;
  font-size:16px;
  line-height:1.85;
  color:var(--dark-text-2);
  max-width:560px;
}
.cat-tabs{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.cat-tabs a{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 18px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:500;
  color:var(--dark-text);
  border:1px solid var(--line-dark);
  background:rgba(255,255,255,.06);
  transition:background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.cat-tabs a:hover{background:rgba(53,214,196,.16);border-color:rgba(53,214,196,.6);transform:translateY(-1px);}

/* ===== 横向数据条 ===== */
.data-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border:1px solid var(--line-dark);
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.04);
  overflow:hidden;
}
.data-item{
  padding:28px 26px;
  border-right:1px solid var(--line-dark);
}
.data-item:last-child{border-right:0;}
.data-num{
  font-size:34px;
  line-height:1.1;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
  color:#fff;
}
.data-num small{
  font-size:14px;
  font-weight:500;
  margin-left:6px;
  color:var(--cyan);
}
.data-label{
  margin-top:8px;
  font-size:14px;
  color:var(--dark-text-2);
}
.wave{
  height:34px;
  margin-top:30px;
  opacity:.55;
  background-image:repeating-linear-gradient(90deg,rgba(53,214,196,.55) 0 2px,transparent 2px 7px);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  clip-path:polygon(0 62%,4% 44%,8% 70%,12% 30%,16% 58%,20% 22%,24% 66%,28% 40%,32% 74%,36% 34%,40% 56%,44% 26%,48% 68%,52% 42%,56% 76%,60% 32%,64% 58%,68% 24%,72% 66%,76% 38%,80% 72%,84% 34%,88% 60%,92% 28%,96% 64%,100% 46%,100% 100%,0 100%);
}

/* ===== 卡片瀑布 ===== */
.waterfall{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  grid-auto-flow:dense;
  gap:22px;
}
.wf-card{
  grid-column:span 2;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.wf-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6D1E8;}
.wf-card--lg{
  grid-column:span 4;
  grid-row:span 2;
  border-radius:var(--r-lg);
}
.wf-card--wide{grid-column:span 4;}
.wf-card--half{grid-column:span 3;}
.wf-media{
  position:relative;
  overflow:hidden;
  background:linear-gradient(140deg,var(--brand),var(--brand-2));
}
.wf-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s var(--ease);
}
.wf-media--16x9{aspect-ratio:16/9;}
.wf-media--4x3{aspect-ratio:4/3;}
.wf-media--21x9{aspect-ratio:21/9;}
.wf-card:hover .wf-media img{transform:scale(1.03);}
.wf-media .pill{
  position:absolute;
  left:14px;
  top:14px;
  background:rgba(255,255,255,.92);
  color:var(--brand);
  box-shadow:0 2px 8px rgba(20,16,43,.14);
}
.wf-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.wf-card--lg .wf-body{padding:28px;}
.wf-body h3{
  font-size:19px;
  line-height:1.45;
  font-weight:600;
  transition:color .2s var(--ease);
}
.wf-card--lg .wf-body h3{font-size:23px;}
.wf-card:hover .wf-body h3{color:var(--brand);}
.wf-body p{
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.wf-card--lg .wf-body p{-webkit-line-clamp:4;font-size:16px;}
.wf-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-3);
}
.wf-meta .num{font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.wf-meta .go{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-weight:500;
  transition:gap .2s var(--ease);
}
.wf-card:hover .wf-meta .go{gap:10px;}

/* ===== 奖励构成 列表块 ===== */
.compose-wrap{
  display:grid;
  grid-template-columns:1.35fr .95fr;
  gap:40px;
  align-items:start;
}
.compose-list{
  display:grid;
  gap:18px;
}
.compose-item{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:20px;
  padding:24px 26px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.compose-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);}
.compose-item .no{
  font-size:26px;
  font-weight:700;
  line-height:1.2;
  color:transparent;
  -webkit-text-stroke:1px var(--cyan);
  font-variant-numeric:tabular-nums;
}
.compose-item h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.compose-item p{font-size:15px;color:var(--ink-2);line-height:1.85;}
.compose-aside{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--shadow-1);
}
.compose-aside h3{font-size:19px;font-weight:600;margin-bottom:14px;}
.compose-aside blockquote{
  margin:0 0 20px;
  padding:16px 18px;
  border-left:4px solid var(--brand);
  background:rgba(36,28,74,.05);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:15px;
  line-height:1.85;
  color:var(--brand);
}
.compose-aside ul{display:grid;gap:12px;}
.compose-aside li{
  display:flex;
  gap:10px;
  font-size:15px;
  color:var(--ink-2);
  line-height:1.8;
}
.compose-aside li i{color:var(--cyan);margin-top:7px;font-size:12px;}

/* ===== 深色说明区 ===== */
.note-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.note-item{
  padding:24px 26px;
  border:1px solid var(--line-dark);
  border-radius:var(--r-md);
  background:rgba(255,255,255,.04);
  transition:background-color .22s var(--ease),transform .22s var(--ease);
}
.note-item:hover{background:rgba(255,255,255,.08);transform:translateY(-2px);}
.note-item h3{
  font-size:17px;
  font-weight:600;
  color:#fff;
  margin-bottom:10px;
  display:flex;
  align-items:center;
  gap:10px;
}
.note-item h3 i{color:var(--cyan);font-size:14px;}
.note-item p{font-size:15px;line-height:1.85;color:var(--dark-text-2);}

/* ===== FAQ ===== */
.faq{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:hover{border-color:#D6D1E8;box-shadow:var(--shadow-1);}
.faq-h{margin:0;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-ico{
  position:relative;
  flex:none;
  width:16px;height:16px;
}
.faq-ico::before,.faq-ico::after{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:16px;height:2px;
  margin-top:-1px;
  border-radius:2px;
  background:var(--cyan);
  transition:transform .2s var(--ease),background-color .2s var(--ease);
}
.faq-ico::after{transform:rotate(90deg);}
.faq-item.is-open{border-color:rgba(53,214,196,.6);}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-item.is-open .faq-ico::after{transform:rotate(0);background:var(--orange);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .2s var(--ease);
}
.faq-item.is-open .faq-a{max-height:360px;}
.faq-a p{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--ink-2);
}

/* ===== 底部 CTA 条 ===== */
.cta-bar{
  background:var(--dark);
  color:var(--dark-text);
  border-top:1px solid var(--line-dark);
}
.cta-bar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:34px 0;
}
.cta-bar p{
  font-size:18px;
  font-weight:600;
  letter-spacing:0;
}
.cta-bar span{
  display:block;
  margin-top:6px;
  font-size:14px;
  font-weight:400;
  color:var(--dark-text-2);
}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--dark);
  color:var(--dark-text-2);
  padding:64px 0 0;
  border-top:1px solid var(--line-dark);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-text b{color:#fff;}
.footer-brand .brand-text span{color:var(--dark-text-2);}
.footer-brand p{font-size:14px;line-height:1.9;max-width:320px;}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--cyan);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col li a,.footer-col li span{
  font-size:14px;
  color:var(--dark-text-2);
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col li a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li i{color:var(--cyan);font-size:13px;}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:#8C86AD;
  font-variant-numeric:tabular-nums;
}

/* ===== 响应式 ===== */
@media (max-width:1180px){
  .cat-hero h1{font-size:34px;}
  .compose-wrap{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:1024px){
  :root{--space-section:80px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .wf-card--lg{grid-column:span 6;grid-row:auto;}
  .wf-card--wide{grid-column:span 6;}
  .wf-card--half{grid-column:span 3;}
  .wf-card{grid-column:span 3;}
  .data-strip{grid-template-columns:repeat(2,1fr);}
  .data-item:nth-child(2){border-right:0;}
  .data-item:nth-child(1),
  .data-item:nth-child(2){border-bottom:1px solid var(--line-dark);}
}
@media (max-width:899px){
  .nav-channels{
    position:fixed;
    top:0;
    right:0;
    width:min(320px,86vw);
    height:100vh;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    margin:0;
    padding:92px 24px 24px;
    background:#fff;
    box-shadow:-12px 0 40px rgba(20,16,43,.18);
    transform:translateX(102%);
    transition:transform .26s var(--ease);
    z-index:120;
    overflow-y:auto;
  }
  .nav-channels a{
    width:100%;
    padding:14px 0;
    font-size:16px;
    border-bottom:1px solid var(--line);
  }
  .nav-channels a::after{display:none;}
  .nav-channels a.is-active{color:var(--brand);}
  body.nav-open .nav-channels{transform:translateX(0);}
  body.nav-open::before{
    content:"";
    position:fixed;
    inset:0;
    background:rgba(20,16,43,.44);
    z-index:110;
  }
  body.nav-open{overflow:hidden;}
  .nav-search{display:none;}
  .nav-login{display:none;}
  .nav-burger{display:inline-flex;}
  .nav-wrap{gap:16px;}
}
@media (max-width:768px){
  .section{padding:var(--space-section) 0;}
  .cat-hero-inner{padding:42px 26px;}
  .cat-hero h1{font-size:28px;}
  .cat-hero p{font-size:15px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .sec-head h2{font-size:23px;}
  .note-grid{grid-template-columns:1fr;}
  .cta-bar-inner{flex-direction:column;align-items:flex-start;gap:20px;}
  .cta-bar-inner .btn{width:100%;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .wf-card,
  .wf-card--lg,
  .wf-card--wide,
  .wf-card--half{grid-column:span 6;}
  .data-strip{grid-template-columns:1fr;}
  .data-item{border-right:0;border-bottom:1px solid var(--line-dark);}
  .data-item:last-child{border-bottom:0;}
  .compose-item{grid-template-columns:1fr;gap:10px;}
  .compose-item .no{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-q{font-size:16px;padding:18px 20px;}
  .faq-a p{padding:0 20px 20px;}
  .cat-hero h1{font-size:26px;line-height:1.34;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  .wf-card:hover,.note-item:hover,.compose-item:hover,.btn:hover{transform:none !important;}
}

/* roulang page: category3 */
:root{
  --brand:#241C4A;
  --brand-2:#3A2F73;
  --dark:#14102B;
  --dark-text:#F2F1F8;
  --dark-sub:#B9B3D6;
  --teal:#35D6C4;
  --orange:#FF7A2F;
  --bg:#F7F6FB;
  --bg-2:#EFEDF7;
  --card:#FFFFFF;
  --text:#1C1930;
  --text-2:#5A5573;
  --text-3:#8E89A6;
  --line:#E4E1EF;
  --success:#2FB88A;
  --warn:#E8B33A;
  --error:#E0553F;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(28,25,48,.06),0 8px 24px rgba(28,25,48,.06);
  --shadow-2:0 4px 12px rgba(28,25,48,.08),0 18px 40px rgba(36,28,74,.14);
  --space-section:96px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:200ms;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease),transform var(--dur) var(--ease);}
a:hover{color:var(--brand-2);}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:0;color:var(--text);line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.nums,.num{font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.site-header.is-scrolled{
  box-shadow:0 8px 26px rgba(28,25,48,.08);
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(140%) blur(8px);
}
.nav-wrap{position:relative;display:flex;align-items:center;gap:28px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:30px;height:30px;border-radius:10px;flex:0 0 auto;position:relative;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-2) 100%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
}
.brand-mark::before{
  content:"";position:absolute;inset:6px;border-radius:50%;
  border:2px solid var(--teal);border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(-25deg);
}
.brand-mark::after{
  content:"";position:absolute;width:6px;height:6px;border-radius:50%;background:var(--orange);
  top:7px;right:7px;box-shadow:0 0 0 2px rgba(255,122,47,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;font-weight:700;letter-spacing:0;}
.brand-text span{font-size:10px;color:var(--text-3);letter-spacing:.22em;}
.nav-channels{display:flex;align-items:center;gap:26px;flex:1 1 auto;}
.nav-channels a{
  position:relative;padding:6px 2px;font-size:15px;color:var(--text-2);font-weight:500;
}
.nav-channels a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:-2px;height:2px;border-radius:2px;
  background:var(--teal);transition:left var(--dur) var(--ease),right var(--dur) var(--ease);
}
.nav-channels a:hover{color:var(--brand);}
.nav-channels a:hover::after{left:0;right:0;}
.nav-channels a.is-active{color:var(--brand);font-weight:600;}
.nav-channels a.is-active::after{left:0;right:0;}
.nav-tools{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:var(--bg);
  transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.nav-search:focus-within{border-color:var(--teal);background:#fff;}
.nav-search i{color:var(--text-3);font-size:13px;}
.nav-search input{
  border:0;background:transparent;outline:none;width:150px;font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-login{font-size:14px;color:var(--text-2);font-weight:500;}
.nav-login:hover{color:var(--brand);}
.nav-search-btn{display:none;width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--text-2);align-items:center;justify-content:center;}
.nav-burger{display:none;width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--text-2);align-items:center;justify-content:center;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;line-height:1;border:1px solid transparent;
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(255,122,47,.26);}
.btn-primary:hover{background:#F26A1E;color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,122,47,.3);}
.btn-ghost{border-color:rgba(53,214,196,.6);color:var(--teal);background:transparent;}
.btn-ghost:hover{background:rgba(53,214,196,.1);color:var(--teal);transform:translateY(-1px);}
.btn-solid{background:var(--brand);color:#fff;}
.btn-solid:hover{background:var(--brand-2);color:#fff;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}

/* ---------- kv ---------- */
.kv{
  position:relative;color:var(--dark-text);overflow:hidden;
  background-color:#14102B;
  background-image:
    linear-gradient(102deg,rgba(20,16,43,.95) 0%,rgba(36,28,74,.88) 42%,rgba(20,16,43,.58) 78%,rgba(20,16,43,.4) 100%),
    url('/assets/images/backpic/back-3.png');
  background-size:cover,cover;
  background-position:center,center 35%;
  padding:56px 0 64px;
}
.kv::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:34px 34px;opacity:.5;
}
.kv .container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--dark-sub);margin-bottom:26px;}
.crumbs a{color:var(--dark-sub);}
.crumbs a:hover{color:#fff;}
.crumbs .sep{opacity:.5;}
.crumbs strong{color:#fff;font-weight:600;}
.kv h1{
  color:#fff;font-size:40px;line-height:1.24;font-weight:700;max-width:760px;
}
.kv .kv-sub{color:var(--dark-sub);font-size:17px;margin-top:18px;max-width:660px;}
.kv-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;background:rgba(255,255,255,.1);color:var(--dark-text);border:1px solid rgba(255,255,255,.14);
}
.chip i{font-size:11px;color:var(--teal);}
.anchor-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.anchor-tabs a{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--dark-text);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
}
.anchor-tabs a:hover{background:rgba(53,214,196,.18);border-color:rgba(53,214,196,.5);color:#fff;}

/* ---------- sections ---------- */
.section{padding:var(--space-section) 0;}
.section.tint{background:var(--bg-2);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;
  color:var(--brand-2);background:rgba(53,214,196,.14);border:1px solid rgba(53,214,196,.35);
  height:28px;padding:0 14px;border-radius:var(--r-pill);margin-bottom:16px;
}
.eyebrow i{font-size:11px;color:#1E9E90;}
.section-head h2{font-size:28px;line-height:1.34;}
.section-head p{color:var(--text-2);margin-top:14px;font-size:16px;}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:23px;top:12px;bottom:40px;width:2px;
  background:linear-gradient(180deg,rgba(53,214,196,.9),rgba(36,28,74,.18));
  border-radius:2px;
}
.tl-item{position:relative;display:grid;grid-template-columns:48px 1fr;gap:26px;padding-bottom:28px;}
.tl-num{
  width:48px;height:48px;border-radius:var(--r-pill);background:#fff;border:2px solid var(--teal);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;color:var(--brand);
  box-shadow:0 6px 16px rgba(36,28,74,.08);z-index:2;
  font-variant-numeric:tabular-nums;
}
.tl-item.is-current .tl-num{
  border-color:var(--orange);color:#B64F12;transform:scale(1.08);
  box-shadow:0 10px 24px rgba(255,122,47,.24);
}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 26px;box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D9D5EA;}
.tl-card h3{font-size:19px;margin-bottom:10px;}
.tl-card p{color:var(--text-2);font-size:15.5px;}
.tl-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:16px;font-size:13px;color:var(--text-3);}
.tl-meta span{display:inline-flex;align-items:center;gap:6px;}
.tl-meta i{color:var(--teal);}
.tl-note{
  display:flex;gap:12px;align-items:flex-start;margin-top:18px;padding:14px 16px;
  background:rgba(53,214,196,.08);border:1px solid rgba(53,214,196,.28);border-radius:var(--r-sm);
  font-size:14px;color:var(--text-2);
}
.tl-note i{color:#1E9E90;margin-top:4px;}

/* ---------- compare table ---------- */
.table-wrap{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);
}
table.compare{
  width:100%;min-width:680px;border-collapse:separate;border-spacing:0;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
table.compare thead th{
  background:var(--brand);color:#fff;font-size:14px;font-weight:500;text-align:left;
  padding:16px 20px;letter-spacing:0;
}
table.compare tbody td{
  padding:18px 20px;border-top:1px solid var(--line);font-size:15px;color:var(--text-2);vertical-align:top;
}
table.compare tbody th{
  padding:18px 20px;border-top:1px solid var(--line);font-size:15px;color:var(--text);
  font-weight:600;text-align:left;background:#FCFBFE;white-space:nowrap;
}
table.compare tbody tr:hover td,table.compare tbody tr:hover th{background:#FAF9FE;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:500;
}
.tag-teal{background:rgba(53,214,196,.16);color:#158B7F;}
.tag-indigo{background:rgba(36,28,74,.1);color:var(--brand-2);}
.tag-orange{background:rgba(255,122,47,.16);color:#B64F12;}

/* ---------- numbered list ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start;}
.numlist{counter-reset:step;margin-top:6px;}
.numlist li{
  position:relative;padding:0 0 22px 52px;color:var(--text-2);font-size:15.5px;
}
.numlist li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:2px;width:36px;height:36px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:600;color:var(--brand);background:rgba(36,28,74,.07);
  font-variant-numeric:tabular-nums;
}
.numlist li b{color:var(--text);font-weight:600;display:block;margin-bottom:2px;font-size:16px;}
.numlist li:last-child{padding-bottom:0;}
.figure{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-1);background:#fff;
}
.figure .ratio{position:relative;padding-top:62%;}
.figure .ratio img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease);}
.figure:hover .ratio img{transform:scale(1.03);}
.figure figcaption{
  padding:16px 20px 18px;font-size:13px;color:var(--text-3);border-top:1px solid var(--line);
}

/* ---------- check cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px 24px;
  box-shadow:var(--shadow-1);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.check-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.check-card .ico{
  width:42px;height:42px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;
  background:rgba(53,214,196,.14);color:#158B7F;font-size:16px;margin-bottom:16px;
}
.check-card h3{font-size:17px;margin-bottom:8px;}
.check-card p{font-size:15px;color:var(--text-2);}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px;max-width:880px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;font-size:16.5px;font-weight:600;color:var(--text);
  transition:color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:28px;height:28px;border-radius:var(--r-pill);
  display:flex;align-items:center;justify-content:center;
  background:rgba(36,28,74,.07);color:var(--brand);font-size:17px;font-weight:500;
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.faq-item summary:hover{color:var(--brand);}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:rgba(53,214,196,.18);color:#158B7F;}
.faq-body{padding:0 24px 22px;color:var(--text-2);font-size:15.5px;}

/* ---------- cta bar ---------- */
.cta-bar{background:var(--dark);color:var(--dark-text);padding:36px 0;position:relative;overflow:hidden;}
.cta-bar::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:30px 30px;opacity:.4;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.cta-inner p{font-size:19px;font-weight:600;color:#fff;}
.cta-inner span{display:block;font-size:14px;color:var(--dark-sub);font-weight:400;margin-top:6px;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--dark-sub);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:18px;max-width:320px;color:var(--dark-sub);}
.site-footer .brand{color:#fff;}
.site-footer .brand-text b{color:#fff;}
.site-footer .brand-text span{color:var(--dark-sub);}
.footer-col h4{font-size:14px;color:var(--teal);margin-bottom:16px;font-weight:500;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:var(--dark-sub);display:inline-block;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--dark-sub);}
.footer-contact i{color:var(--teal);font-size:13px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--space-section:76px;}
  .split{grid-template-columns:1fr;gap:36px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:899px){
  .nav-channels{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-1);
    padding:8px 24px 14px;
    transform:translateY(-130%);transition:transform 240ms var(--ease);
    pointer-events:none;
  }
  body.nav-open .nav-channels{transform:translateY(0);pointer-events:auto;}
  .nav-channels a{padding:14px 2px;border-bottom:1px solid var(--line);}
  .nav-channels a::after{display:none;}
  .nav-channels a.is-active{color:var(--brand);}
  .nav-login{display:none;}
  .nav-search-btn,.nav-burger{display:inline-flex;}
  .nav-search{
    position:absolute;top:100%;left:0;right:0;display:none;
    border-radius:0;border:0;border-bottom:1px solid var(--line);
    height:60px;padding:0 24px;background:#fff;
  }
  body.search-open .nav-search{display:flex;}
  .nav-search input{width:100%;}
  .kv{padding:44px 0 52px;}
  .kv h1{font-size:30px;}
  .kv .kv-sub{font-size:16px;}
}
@media (max-width:640px){
  :root{--space-section:58px;}
  .container{padding:0 20px;}
  .kv h1{font-size:26px;line-height:1.3;}
  .section-head h2{font-size:22px;}
  .grid-3{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:40px 1fr;gap:16px;}
  .tl-num{width:40px;height:40px;font-size:14px;}
  .timeline::before{left:19px;}
  .tl-card{padding:20px;}
  .btn{width:100%;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .btn-area{display:flex;gap:12px;width:100%;flex-wrap:wrap;}
  .btn-area .btn{flex:1 1 160px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .tl-card:hover,.check-card:hover,.figure:hover .ratio img{transform:none;}
}