/* roulang page: index */
:root{
  --primary:#C8F069;
  --primary-2:#8CE08A;
  --primary-dark:#0E2933;
  --primary-deep:#1B4D5E;
  --accent:#FF7A4D;
  --bg-site:#F5F4EF;
  --bg-card:#FFFFFF;
  --text-main:#15262D;
  --text-sub:#5B6B72;
  --border-line:#E4E3DB;
  --text-on-dark:#F2F7F7;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --radius-btn:999px;
  --shadow-base:0 4px 20px rgba(14,41,51,0.08);
  --shadow-hover:0 10px 32px rgba(14,41,51,0.18);
  --shadow-press:0 2px 8px rgba(14,41,51,0.12);
  --font-main:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',sans-serif;
  --font-num:'DIN Alternate','Roboto Mono',monospace;
  --container:1200px;
  --gap-lg:80px;
  --gap-md:48px;
  --gap-sm:24px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  background:var(--bg-site);
  color:var(--text-main);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:20px}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
section{padding:64px 0}

/* ======== NAV ======== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(14,41,51,0.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,0.06);
  transition:background .3s,box-shadow .3s;
}
.site-header.scrolled{
  background:rgba(14,41,51,0.94);
  box-shadow:0 8px 30px rgba(0,0,0,0.18);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:12px;color:var(--text-on-dark);font-weight:800;font-size:22px;letter-spacing:.5px}
.logo-mark{
  width:38px;height:38px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:700;font-size:17px;color:var(--primary-dark);
  box-shadow:0 0 18px rgba(200,240,105,0.4);
}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  color:rgba(242,247,247,0.82);
  font-size:15px;font-weight:500;
  padding:10px 16px;border-radius:var(--radius-btn);
  position:relative;transition:color .2s,background .2s;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,0.06)}
.nav-links a.active{color:var(--primary)}
.nav-links a.active::after{
  content:'';position:absolute;left:50%;transform:translateX(-50%);
  bottom:2px;width:22px;height:3px;border-radius:3px;background:var(--primary);
}
.nav-cta{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:var(--primary-dark);font-weight:700;font-size:14px;
  padding:10px 22px;border-radius:var(--radius-btn);
  transition:transform .2s,box-shadow .2s;
  box-shadow:0 0 0 rgba(200,240,105,0);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(200,240,105,0.45)}
.nav-cta:active{transform:translateY(0);box-shadow:var(--shadow-press)}
.nav-toggle{display:none;color:var(--text-on-dark);font-size:24px;padding:8px}
.mobile-nav-backdrop{
  display:none;position:fixed;inset:0;background:rgba(14,41,51,0.5);z-index:98;
  opacity:0;transition:opacity .3s;
}
.mobile-nav-backdrop.show{display:block;opacity:1}

/* ======== BOTTOM TAB ======== */
.bottom-tab{
  display:none;
  position:fixed;bottom:0;left:0;right:0;z-index:110;
  background:rgba(14,41,51,0.98);
  backdrop-filter:blur(10px);
  height:64px;border-top:1px solid rgba(255,255,255,0.08);
}
.bottom-tab ul{display:grid;grid-template-columns:repeat(5,1fr);height:100%}
.bottom-tab li{display:flex;align-items:center;justify-content:center}
.bottom-tab a{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  color:rgba(242,247,247,0.7);font-size:11px;
  transition:color .2s;
}
.bottom-tab a i{font-size:20px}
.bottom-tab a.active{color:var(--primary)}
.bottom-tab a.active i::after{
  content:'';display:block;width:5px;height:5px;border-radius:50%;
  background:var(--primary);margin:3px auto 0;
}
.main-with-tab{padding-bottom:64px}

/* ======== HERO ======== */
.hero{
  background:linear-gradient(160deg,var(--primary-dark) 0%,var(--primary-deep) 100%);
  padding:144px 0 80px;color:var(--text-on-dark);position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:0.18;mix-blend-mode:luminosity;
}
.hero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(14,41,51,0.93) 30%,rgba(27,77,94,0.35) 100%);
}
.hero .container{position:relative;z-index:2;display:flex;align-items:center;gap:60px}
.hero-info{flex:1.05;min-width:0}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(200,240,105,0.12);border:1px solid rgba(200,240,105,0.35);
  color:var(--primary);font-size:13px;font-weight:600;
  padding:8px 16px;border-radius:var(--radius-btn);margin-bottom:24px;
}
.hero-badge i{font-size:14px}
.hero h1{
  font-size:clamp(40px,72px,72px);
  font-weight:800;line-height:1.15;
  letter-spacing:1px;margin-bottom:20px;
}
.hero h1 .highlight{
  background:linear-gradient(120deg,var(--primary),var(--primary-2));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-sub{
  font-size:16px;line-height:1.75;color:rgba(242,247,247,0.78);
  max-width:540px;margin-bottom:32px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:44px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;border-radius:var(--radius-btn);
  padding:14px 30px;transition:transform .2s,box-shadow .2s,background .2s;
  cursor:pointer;line-height:1;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:var(--primary-dark);box-shadow:0 4px 16px rgba(0,0,0,0.15);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 24px rgba(200,240,105,0.5)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-press)}
.btn-outline{
  background:transparent;border:2px solid var(--primary);
  color:var(--primary);padding:12px 28px;
}
.btn-outline:hover{background:rgba(200,240,105,0.12)}
.btn-outline:active{transform:scale(0.98)}
.hero-stats{display:flex;gap:16px;flex-wrap:wrap}
.stat-badge{
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.12);
  border-radius:var(--radius-btn);padding:10px 20px;
}
.stat-badge .num{
  font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--primary);
  line-height:1.2;
}
.stat-badge .num small{font-size:12px;font-weight:600;margin-left:1px}
.stat-badge .label{font-size:12px;color:rgba(242,247,247,0.72)}
.hero-phone{
  flex:0 0 360px;display:flex;flex-direction:column;align-items:center;gap:20px;
}
.phone-frame{
  width:290px;aspect-ratio:9/16;border-radius:36px;
  background:var(--primary-dark);padding:8px;
  box-shadow:0 24px 80px rgba(0,0,0,0.42);
  border:1px solid rgba(255,255,255,0.1);
}
.phone-screen{
  width:100%;height:100%;border-radius:28px;overflow:hidden;
  position:relative;background:#000;
}
.phone-screen img{
  width:100%;height:100%;object-fit:cover;border-radius:0;
}
.phone-screen .screen-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,41,51,0) 45%,rgba(14,41,51,0.85) 100%);
}
.play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;
  background:rgba(255,255,255,0.22);backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,0.4);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:22px;transition:transform .25s,background .25s;
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.1);background:rgba(255,255,255,0.35)}
.phone-stats{
  display:flex;gap:10px;flex-wrap:wrap;justify-content:center;
}
.phone-stats .stat-badge{background:var(--primary-dark);border-color:rgba(255,255,255,0.14)}

/* ======== SECTION HEAD ======== */
.section-head{text-align:center;margin-bottom:48px}
.section-eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--primary-dark);background:rgba(200,240,105,0.35);
  padding:6px 16px;border-radius:var(--radius-btn);margin-bottom:16px;
}
.section-head h2{
  font-size:clamp(28px,40px,40px);
  font-weight:700;line-height:1.3;color:var(--text-main);
  margin-bottom:12px;
}
.section-head p{color:var(--text-sub);font-size:15px;max-width:640px;margin:0 auto}

/* ======== FEATURE CARDS / 爆款片段 ======== */
.feature-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
}
.feature-card{
  display:flex;background:var(--bg-card);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-base);border:1px solid rgba(14,41,51,0.06);
  transition:transform .3s,box-shadow .3s;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.feature-cover{
  flex:0 0 42%;position:relative;overflow:hidden;min-height:220px;
}
.feature-cover img{
  width:100%;height:100%;object-fit:cover;border-radius:0;
  transition:transform .4s ease;
}
.feature-card:hover .feature-cover img{transform:scale(1.05)}
.feature-cover .duration{
  position:absolute;left:14px;bottom:14px;
  background:rgba(0,0,0,0.78);color:#fff;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:var(--radius-btn);
}
.feature-cover .play-badge{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:48px;height:48px;border-radius:50%;
  background:rgba(255,255,255,0.25);backdrop-filter:blur(4px);
  border:1px solid rgba(255,255,255,0.5);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;transition:transform .25s;
}
.feature-card:hover .play-badge{transform:translate(-50%,-50%) scale(1.12)}
.feature-body{
  flex:1;padding:24px;display:flex;flex-direction:column;
}
.feature-tag{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--accent);
  background:rgba(255,122,77,0.12);padding:4px 12px;
  border-radius:var(--radius-btn);margin-bottom:10px;
}
.feature-body h3{
  font-size:20px;font-weight:600;line-height:1.45;
  margin-bottom:14px;color:var(--text-main);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.feature-meta{
  margin-top:auto;display:flex;gap:10px;flex-wrap:wrap;
}
.meta-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--text-sub);
  background:var(--bg-site);border-radius:var(--radius-btn);
  padding:5px 12px;
}
.meta-badge i{color:var(--primary-dark);font-size:12px}

/* ======== RANK LIST / 种草清单 ======== */
.list-section{
  background:linear-gradient(160deg,var(--primary-dark),var(--primary-deep));
  color:var(--text-on-dark);
}
.list-section .section-head h2{color:var(--text-on-dark)}
.list-section .section-head p{color:rgba(242,247,247,0.7)}
.list-section .section-eyebrow{background:rgba(200,240,105,0.16);color:var(--primary)}
.rank-list{display:flex;flex-direction:column;gap:14px;max-width:960px;margin:0 auto}
.rank-item{
  display:flex;align-items:center;gap:24px;
  background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.08);
  border-radius:var(--radius-md);padding:20px 26px;
  transition:background .25s,transform .25s;
}
.rank-item:hover{background:rgba(255,255,255,0.1);transform:translateX(6px)}
.rank-num{
  font-family:var(--font-num);font-size:40px;font-weight:700;
  color:var(--primary);line-height:1;flex:0 0 64px;
  text-align:center;
}
.rank-item:hover .rank-num{
  background:var(--primary);color:var(--primary-dark);
  border-radius:50%;width:48px;height:48px;line-height:48px;
  flex-basis:48px;font-size:22px;
}
.rank-info{flex:1;min-width:0}
.rank-info h3{font-size:19px;font-weight:600;margin-bottom:4px}
.rank-info p{font-size:14px;color:rgba(242,247,247,0.65)}
.rank-arrow{color:var(--primary);font-size:20px;transition:transform .25s;flex:0 0 auto}
.rank-item:hover .rank-arrow{transform:translateX(6px)}

/* ======== REVIEWS / 口碑 ======== */
.review-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.review-card{
  background:var(--bg-card);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-base);
  border:1px solid rgba(14,41,51,0.05);
  transition:transform .25s,box-shadow .25s;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.avatar{
  width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;color:var(--primary-dark);
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
}
.review-name{font-size:15px;font-weight:600}
.review-stars{color:var(--accent);font-size:14px;letter-spacing:2px;margin-top:2px}
.review-text{font-size:15px;line-height:1.7;color:var(--text-sub);margin-bottom:16px}
.review-date{font-size:13px;color:#9AA4AC}

/* ======== NEWS CMS ======== */
.news-section{background:var(--bg-site)}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{
  display:block;background:var(--bg-card);border-radius:var(--radius-md);
  padding:26px;box-shadow:var(--shadow-base);
  border:1px solid rgba(14,41,51,0.05);
  transition:transform .25s,box-shadow .25s;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.news-tag{
  display:inline-block;font-size:12px;font-weight:700;color:var(--primary-dark);
  background:rgba(200,240,105,0.4);padding:4px 14px;
  border-radius:var(--radius-btn);margin-bottom:14px;
}
.news-card h3{
  font-size:19px;font-weight:600;line-height:1.5;
  margin-bottom:10px;color:var(--text-main);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:14px;color:var(--text-sub);line-height:1.7;
  margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-footer{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:#9AA4AC;
}
.news-footer .news-more{color:var(--primary-dark);font-weight:600;transition:gap .2s;display:inline-flex;gap:4px;align-items:center}
.news-card:hover .news-more i{transform:translateX(4px);transition:transform .2s}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 20px;
  background:var(--bg-card);border-radius:var(--radius-lg);
  border:1px dashed var(--border-line);
}
.empty-state i{font-size:42px;color:var(--text-sub);opacity:0.5;margin-bottom:16px}
.empty-state p{font-size:15px;color:var(--text-sub)}

/* ======== CTA ======== */
.cta-banner{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(135deg,var(--primary-dark),var(--primary-deep));
  padding:64px 56px;text-align:center;color:var(--text-on-dark);
}
.cta-banner::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:0.15;mix-blend-mode:luminosity;
}
.cta-banner .cta-inner{position:relative;z-index:2}
.cta-banner h2{
  font-size:clamp(28px,38px,38px);font-weight:700;margin-bottom:16px;
}
.cta-banner p{
  color:rgba(242,247,247,0.75);font-size:16px;max-width:560px;margin:0 auto 32px;
}
.cta-banner .btn{font-size:16px;padding:16px 40px}
.cta-banner .btn-outline{border-color:var(--text-on-dark);color:var(--text-on-dark)}
.cta-banner .btn-outline:hover{background:rgba(255,255,255,0.1)}

/* ======== FAQ ======== */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--bg-card);border-radius:var(--radius-md);
  box-shadow:var(--shadow-base);border:1px solid rgba(14,41,51,0.05);
  margin-bottom:14px;overflow:hidden;
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 28px;font-size:16px;font-weight:600;color:var(--text-main);
  text-align:left;transition:background .2s;
}
.faq-q:hover{background:rgba(200,240,105,0.08)}
.faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:var(--primary-dark);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;transition:transform .3s,background .3s;
}
.faq-item.open .faq-icon{transform:rotate(135deg);background:var(--primary);color:var(--primary-dark)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
}
.faq-a-inner{padding:0 28px 24px;color:var(--text-sub);font-size:15px;line-height:1.75}

/* ======== FOOTER ======== */
.site-footer{
  background:var(--primary-dark);color:var(--text-on-dark);
  padding:64px 0 32px;margin-top:32px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo{font-size:24px;margin-bottom:16px}
.footer-brand p{font-size:14px;color:rgba(242,247,247,0.6);max-width:320px;line-height:1.8}
.footer-col h4{
  font-size:16px;font-weight:600;margin-bottom:18px;color:var(--primary);
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  font-size:14px;color:rgba(242,247,247,0.65);transition:color .2s,padding-left .2s;
}
.footer-col ul a:hover{color:var(--primary);padding-left:6px}
.footer-contact li{
  font-size:14px;color:rgba(242,247,247,0.65);display:flex;gap:10px;align-items:center;
  margin-bottom:12px;
}
.footer-contact i{color:var(--primary);width:18px;text-align:center}
.footer-bottom{
  padding-top:24px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(242,247,247,0.4)}

/* ======== RESPONSIVE ======== */
@media screen and (max-width:1024px){
  .hero{padding:128px 0 64px}
  .hero .container{flex-direction:column;gap:48px}
  .hero-info{text-align:center}
  .hero-sub{margin-left:auto;margin-right:auto}
  .hero-actions{justify-content:center}
  .hero-stats{justify-content:center}
  .hero-phone{flex:0 0 auto}
  .feature-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media screen and (max-width:768px){
  .site-header .nav-links{display:none}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .bottom-tab{display:block}
  section{padding:48px 0}
  .hero{padding:112px 0 48px}
  .hero h1{font-size:clamp(34px,52px,52px)}
  .hero-stats{gap:10px}
  .stat-badge{padding:8px 14px;flex-direction:column;gap:2px;text-align:center}
  .phone-frame{width:250px}
  .feature-card{flex-direction:column}
  .feature-cover{flex:0 0 200px;min-height:auto}
  .feature-body{min-height:200px}
  .rank-item{padding:16px 18px;gap:14px}
  .rank-num{flex:0 0 40px;font-size:28px}
  .review-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .cta-banner{padding:48px 24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
  .main{padding-bottom:64px}
}
@media screen and (max-width:520px){
  .container{padding:0 16px}
  .hero{padding:104px 0 40px}
  .hero h1{font-size:32px;line-height:1.2}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .feature-body h3{font-size:17px}
  .rank-list{gap:10px}
  .rank-item{align-items:flex-start}
  .rank-info h3{font-size:16px}
  .rank-info p{font-size:13px}
  .rank-arrow{display:none}
  .news-card{padding:20px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a-inner{padding:0 18px 20px}
  .cta-banner h2{font-size:26px}
}
@media screen and (max-width:480px){
  .review-grid{grid-template-columns:1fr}
}

.mobile-nav-panel{
  display:none;position:fixed;top:72px;left:0;right:0;z-index:99;
  background:var(--primary-dark);padding:12px 24px 24px;
  border-bottom:1px solid rgba(255,255,255,0.08);
  transform:translateY(-12px);opacity:0;transition:transform .3s,opacity .3s;
  pointer-events:none;
}
.mobile-nav-panel.show{transform:translateY(0);opacity:1;pointer-events:auto}
.mobile-nav-panel a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 8px;border-bottom:1px solid rgba(255,255,255,0.06);
  color:var(--text-on-dark);font-size:16px;font-weight:500;
}
.mobile-nav-panel a:last-child{border-bottom:none}
.mobile-nav-panel a.active{color:var(--primary)}
.mobile-nav-panel a i{color:var(--primary);font-size:14px}

/* roulang page: article */
:root {
  --primary: #C8F069;
  --primary-dark: #8CE08A;
  --deep: #0E2933;
  --deep-2: #1B4D5E;
  --accent: #FF7A4D;
  --bg: #F5F4EF;
  --text: #15262D;
  --text-sub: #5B6B72;
  --text-light: #F2F7F7;
  --border: #E4E3DB;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow: 0 4px 20px rgba(14,41,51,0.08);
  --shadow-hover: 0 10px 32px rgba(14,41,51,0.18);
  --font-main: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
  --font-num: 'DIN Alternate', 'Roboto Mono', monospace;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: all .25s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
ul, ol { list-style: none; }
i.fa-solid, i.fa-brands, i.fa-regular { pointer-events: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(14,41,51,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: all .35s ease;
}
.site-header.scrolled {
  background: rgba(14,41,51,0.96);
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-light);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--deep);
  font-weight: 900;
  font-size: 18px;
  font-family: var(--font-num);
  box-shadow: 0 4px 14px rgba(200,240,105,0.35);
}
.logo:hover .logo-mark {
  transform: rotate(-8deg) scale(1.05);
  box-shadow: 0 6px 20px rgba(200,240,105,0.5);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  position: relative;
  color: rgba(242,247,247,0.8);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 999px;
  transition: all .25s ease;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 0;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
  transform: translateX(-50%);
  transition: width .3s ease;
}
.nav-links a:hover { color: var(--text-light); background: rgba(255,255,255,0.06); }
.nav-links a.active { color: var(--primary); }
.nav-links a.active::after { width: 20px; }
.nav-cta { flex-shrink: 0; }
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  color: var(--text-light);
  font-size: 20px;
  background: rgba(255,255,255,0.08);
  align-items: center;
  justify-content: center;
  transition: all .25s ease;
}
.nav-toggle:hover { background: rgba(255,255,255,0.15); }

.mobile-nav {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: var(--deep);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s cubic-bezier(.4,0,.2,1);
  z-index: 99;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-nav.open { max-height: 320px; }
.mobile-nav a {
  display: block;
  padding: 16px 28px;
  color: var(--text-light);
  font-size: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: all .25s ease;
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a:hover, .mobile-nav a.active { color: var(--primary); background: rgba(255,255,255,0.04); }

/* ===== Mobile Bottom Tab ===== */
.bottom-tabs {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 64px;
  background: var(--deep);
  border-top: 1px solid rgba(255,255,255,0.08);
  z-index: 120;
  align-items: center;
  justify-content: space-around;
}
.bottom-tabs a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: rgba(242,247,247,0.6);
  font-size: 11px;
  font-weight: 500;
  flex: 1;
  height: 100%;
  position: relative;
  transition: all .25s ease;
}
.bottom-tabs a i { font-size: 18px; }
.bottom-tabs a.active { color: var(--primary); }
.bottom-tabs a.active::before {
  content: '';
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--primary);
}
.bottom-tabs a:hover { color: var(--primary); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  transition: all .3s cubic-bezier(.4,0,.2,1);
  white-space: nowrap;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--deep);
  box-shadow: 0 4px 16px rgba(200,240,105,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(200,240,105,0.5), 0 8px 24px rgba(200,240,105,0.3);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(200,240,105,0.3);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  box-shadow: none;
}
.btn-outline:hover {
  background: rgba(200,240,105,0.1);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200,240,105,0.2);
}
.btn-outline:active { transform: translateY(0); }
.btn-outline-light {
  border-color: var(--text-light);
  color: var(--text-light);
  background: transparent;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--primary);
  color: var(--primary);
}
.btn-sm { height: 36px; padding: 0 18px; font-size: 13px; }
.btn-lg { height: 52px; padding: 0 40px; font-size: 16px; }
.btn:focus-visible, .nav-links a:focus-visible, .logo:focus-visible, a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(200,240,105,0.5);
  outline-offset: 2px;
}

/* ===== Breadcrumb ===== */
.breadcrumb-bar {
  background: linear-gradient(160deg, var(--deep), var(--deep-2));
  padding: 120px 0 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 20px;
  color: rgba(242,247,247,0.6);
  font-size: 13px;
}
.breadcrumb a { color: rgba(242,247,247,0.6); text-transform: capitalize; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: rgba(242,247,247,0.35); }
.breadcrumb .current {
  color: var(--primary);
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== Article Page ===== */
.article-page {
  padding: 60px 0 80px;
}
.article-container {
  max-width: 860px;
  margin: 0 auto;
}
.article-header {
  text-align: center;
  margin-bottom: 48px;
}
.article-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 24px;
  color: var(--text-sub);
  font-size: 14px;
}
.article-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.article-meta i { color: var(--primary); font-size: 14px; width: 16px; text-align: center; }
.article-tag {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 12px;
  background: rgba(200,240,105,0.15);
  color: #5a8a00;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.article-body {
  max-width: 760px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(14,41,51,0.04);
}
.article-body p {
  font-size: 16px;
  line-height: 1.9;
  margin-bottom: 1.5em;
  color: #2a3a42;
}
.article-body h2 {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.4;
  margin: 1.5em 0 0.8em;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  color: var(--text);
}
.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  margin: 1.4em 0 0.6em;
  color: var(--text);
}
.article-body blockquote {
  margin: 24px 0;
  padding: 20px 24px;
  background: rgba(200,240,105,0.08);
  border-left: 4px solid var(--primary);
  border-radius: 0 12px 12px 0;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.8;
}
.article-body ul, .article-body ol {
  margin: 20px 0;
  padding-left: 24px;
}
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li {
  margin-bottom: 10px;
  font-size: 15.5px;
  line-height: 1.8;
  color: #2a3a42;
}
.article-body li::marker { color: var(--primary); font-weight: 700; }
.article-body img {
  border-radius: 16px;
  margin: 24px 0;
  width: 100%;
  box-shadow: var(--shadow);
}
.article-body a {
  color: #5a8a00;
  font-weight: 600;
  border-bottom: 2px solid rgba(200,240,105,0.5);
  transition: all .25s ease;
}
.article-body a:hover { color: var(--deep); border-bottom-color: var(--primary); }
.article-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

.coming-soon {
  max-width: 760px;
  margin: 40px auto 0;
  text-align: center;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 80px 40px;
  box-shadow: var(--shadow);
}
.coming-soon .empty-icon {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: rgba(200,240,105,0.12);
  color: #5a8a00;
  font-size: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}
.coming-soon h3 { font-size: 22px; margin-bottom: 12px; }
.coming-soon p { color: var(--text-sub); margin-bottom: 24px; }

/* ===== Related ===== */
.related-section {
  max-width: 860px;
  margin: 60px auto 0;
}
.related-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.related-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(14,41,51,0.04);
  transition: all .35s cubic-bezier(.4,0,.2,1);
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.related-card .thumb {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}
.related-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.related-card:hover .thumb img { transform: scale(1.05); }
.related-card .body {
  padding: 16px 18px 20px;
}
.related-card .body h4 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .body h4 a:hover { color: #5a8a00; }
.related-card .time {
  font-size: 13px;
  color: var(--text-sub);
  display: flex;
  align-items: center;
  gap: 6px;
}

.back-link {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--deep);
  padding: 64px 0 32px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-brand p {
  color: rgba(242,247,247,0.6);
  font-size: 14px;
  line-height: 1.8;
  margin-top: 16px;
  max-width: 400px;
}
.footer-col h4 {
  color: var(--text-light);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a {
  color: rgba(242,247,247,0.6);
  font-size: 14px;
  transition: all .25s ease;
}
.footer-col ul a:hover { color: var(--primary); padding-left: 6px; }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(242,247,247,0.6);
  font-size: 14px;
  margin-bottom: 12px;
}
.footer-contact i { color: var(--primary); width: 16px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  color: rgba(242,247,247,0.4);
  font-size: 13px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .nav-links a { padding: 8px 12px; font-size: 14px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav { display: block; }
  .bottom-tabs { display: flex; }
  .site-header { height: 64px; }
  .nav-wrap { height: 64px; }
  .mobile-nav { top: 64px; }
  .bottom-tabs { display: flex; }
  .breadcrumb-bar { padding-top: 88px; }
  .article-page { padding: 40px 0 40px; }
  .article-body { padding: 28px 24px; border-radius: 16px; }
  .article-body p { font-size: 15px; line-height: 1.85; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; }
  .site-footer { padding-bottom: 80px; }

  body { padding-bottom: 0; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .article-meta { gap: 12px 16px; font-size: 13px; }
  .article-title { font-size: 24px; }
  .breadcrumb-bar { padding-top: 80px; }
  .breadcrumb { font-size: 12px; }
  .breadcrumb .current { max-width: 160px; }
  .related-grid { grid-template-columns: 1fr; }
}

/* roulang page: category1 */
:root {
  --primary: #C8F069;
  --primary-deep: #8CE08A;
  --accent: #FF7A4D;
  --dark: #0E2933;
  --dark-soft: #1B4D5E;
  --bg: #F5F4EF;
  --text: #15262D;
  --text-sub: #5B6B72;
  --line: #E4E3DB;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow: 0 4px 20px rgba(14, 41, 51, 0.08);
  --shadow-lg: 0 10px 32px rgba(14, 41, 51, 0.18);
  --font: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
  --font-num: 'DIN Alternate', 'Roboto Mono', monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 100; background: rgba(14, 41, 51, 0.7); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid rgba(255,255,255,0.08); transition: background 0.3s, box-shadow 0.3s; }
.site-header.scrolled { background: rgba(14, 41, 51, 0.95); box-shadow: 0 4px 24px rgba(0,0,0,0.3); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: #F2F7F7; letter-spacing: 0.5px; }
.logo-mark { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: linear-gradient(135deg, var(--primary), var(--primary-deep)); color: var(--dark); border-radius: 12px; font-weight: 900; font-size: 18px; font-family: var(--font-num); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a { padding: 8px 16px; border-radius: 999px; font-size: 15px; font-weight: 500; color: rgba(242,247,247,0.75); transition: background 0.2s, color 0.2s; }
.nav-links a:hover { color: #F2F7F7; background: rgba(255,255,255,0.1); }
.nav-links a.active { color: var(--dark); background: var(--primary); font-weight: 600; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 999px; font-weight: 600; font-size: 15px; transition: all 0.25s; border: none; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-deep)); color: var(--dark); padding: 12px 28px; box-shadow: 0 4px 16px rgba(200,240,105,0.2); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 24px rgba(200,240,105,0.5); }
.btn-primary:active { transform: translateY(1px); box-shadow: 0 2px 8px rgba(200,240,105,0.3); }
.btn-outline { border: 2px solid var(--primary); color: var(--primary); padding: 10px 26px; background: transparent; }
.btn-outline:hover { background: rgba(200,240,105,0.12); transform: translateY(-2px); }
.btn-outline:active { transform: translateY(0); }
.nav-cta { padding: 10px 22px; font-size: 14px; }
.nav-toggle { display: none; background: none; border: none; color: #F2F7F7; font-size: 22px; padding: 8px; border-radius: 8px; }
.nav-toggle:hover { background: rgba(255,255,255,0.1); }

/* Mobile Tab */
.mobile-tab-bar { display: none; position: fixed; bottom: 0; left: 0; width: 100%; height: 64px; background: var(--dark); border-top: 1px solid rgba(255,255,255,0.1); z-index: 1000; align-items: center; justify-content: space-around; padding: 0 4px; }
.mobile-tab-bar .tab-item { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; color: rgba(242,247,247,0.6); font-size: 11px; padding: 6px 10px; border-radius: 12px; transition: color 0.2s; min-width: 60px; }
.mobile-tab-bar .tab-item i { font-size: 19px; }
.mobile-tab-bar .tab-item.active { color: var(--primary); }
.mobile-tab-bar .tab-item.active::after { content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--primary); }

/* Hero */
.category-hero { padding: 180px 0 100px; background: linear-gradient(160deg, var(--dark) 0%, var(--dark-soft) 100%); position: relative; overflow: hidden; }
.category-hero::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat; opacity: 0.25; }
.category-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(160deg, rgba(14,41,51,0.7) 0%, rgba(14,41,51,0.2) 50%, rgba(27,77,94,0.5) 100%); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
.hero-tag { display: inline-flex; align-items: center; gap: 8px; background: rgba(200,240,105,0.15); border: 1px solid rgba(200,240,105,0.4); color: var(--primary); font-size: 13px; font-weight: 600; padding: 6px 16px; border-radius: 999px; margin-bottom: 22px; letter-spacing: 0.5px; }
.hero-content h1 { font-size: clamp(40px, 72px, 72px); font-weight: 800; line-height: 1.15; color: #F2F7F7; margin-bottom: 18px; letter-spacing: 1px; }
.hero-content h1 span { color: var(--primary); }
.hero-content .hero-desc { font-size: 17px; color: rgba(242,247,247,0.8); line-height: 1.8; max-width: 460px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-badges { display: flex; gap: 16px; flex-wrap: wrap; }
.badge-item { background: rgba(14,41,51,0.7); border: 1px solid rgba(200,240,105,0.3); padding: 10px 18px; border-radius: 999px; display: flex; align-items: center; gap: 10px; backdrop-filter: blur(6px); }
.badge-item .num { font-family: var(--font-num); font-size: 22px; font-weight: 700; color: var(--primary); line-height: 1; }
.badge-item .label { font-size: 13px; color: rgba(242,247,247,0.75); }

.hero-visual { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.hero-visual .phone-frame { width: 280px; aspect-ratio: 9/16; border-radius: 36px; background: #0a1a20; border: 6px solid #1d3540; padding: 10px; box-shadow: 0 20px 60px rgba(0,0,0,0.5); position: relative; overflow: hidden; }
.hero-visual .phone-frame img { width: 100%; height: 100%; object-fit: cover; border-radius: 28px; }
.hero-visual .phone-frame::after { content: ''; position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); width: 100px; height: 4px; border-radius: 4px; background: rgba(255,255,255,0.3); }
.hero-visual .phone-badge { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.hero-visual .phone-badge span { background: rgba(14,41,51,0.85); border: 1px solid rgba(255,255,255,0.1); color: #F2F7F7; font-size: 13px; padding: 6px 14px; border-radius: 999px; backdrop-filter: blur(4px); }

/* Section common */
.section-padding { padding: 90px 0; }
.section-head { text-align: center; margin-bottom: 50px; }
.section-head h2 { font-size: clamp(28px, 40px, 40px); font-weight: 700; line-height: 1.3; margin-bottom: 12px; color: var(--text); }
.section-head p { color: var(--text-sub); font-size: 16px; max-width: 560px; margin: 0 auto; }

/* Feature Cards */
.feature-section { background: var(--bg); }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card { background: #fff; border: 1px solid rgba(14,41,51,0.06); border-radius: var(--radius-lg); padding: 32px 24px; box-shadow: var(--shadow); transition: transform 0.3s, box-shadow 0.3s; }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-icon { width: 56px; height: 56px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 20px; background: rgba(200,240,105,0.15); color: var(--dark); }
.feature-card h3 { font-size: 19px; font-weight: 600; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--text-sub); line-height: 1.7; }

/* Scenario */
.scenario-section { background: #fff; }
.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.scenario-card { border-radius: var(--radius-lg); overflow: hidden; background: var(--dark); box-shadow: var(--shadow); transition: transform 0.3s, box-shadow 0.3s; }
.scenario-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.scenario-card .scenario-img { height: 180px; overflow: hidden; }
.scenario-card .scenario-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.scenario-card:hover .scenario-img img { transform: scale(1.05); }
.scenario-card .scenario-body { padding: 24px; color: #F2F7F7; }
.scenario-card .scenario-body h3 { font-size: 19px; margin-bottom: 8px; }
.scenario-card .scenario-body p { font-size: 14px; color: rgba(242,247,247,0.7); line-height: 1.7; }
.scenario-card .scenario-tag { display: inline-block; font-size: 12px; font-weight: 600; color: var(--primary); background: rgba(200,240,105,0.15); padding: 4px 12px; border-radius: 999px; margin-bottom: 14px; }

/* Process */
.process-section { background: linear-gradient(160deg, var(--dark) 0%, var(--dark-soft) 100%); position: relative; overflow: hidden; }
.process-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat; opacity: 0.12; }
.process-section .section-head h2 { color: #F2F7F7; }
.process-section .section-head p { color: rgba(242,247,247,0.7); }
.process-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-step { background: rgba(14,41,51,0.75); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-lg); padding: 32px 24px; text-align: center; backdrop-filter: blur(8px); transition: transform 0.3s; }
.process-step:hover { transform: translateY(-4px); }
.process-step .step-num { font-family: var(--font-num); font-size: 36px; font-weight: 800; color: var(--primary); line-height: 1; margin-bottom: 14px; }
.process-step h3 { font-size: 17px; color: #F2F7F7; margin-bottom: 8px; }
.process-step p { font-size: 13px; color: rgba(242,247,247,0.65); line-height: 1.6; }

/* Stats */
.stats-section { background: var(--bg); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item { background: #fff; border-radius: var(--radius-lg); padding: 32px 20px; text-align: center; border: 1px solid rgba(14,41,51,0.06); box-shadow: var(--shadow); }
.stat-item .stat-num { font-family: var(--font-num); font-size: 42px; font-weight: 800; color: var(--dark); line-height: 1.2; }
.stat-item .stat-num em { font-style: normal; color: var(--primary-deep); }
.stat-item .stat-label { font-size: 14px; color: var(--text-sub); margin-top: 6px; }
.stat-item .stat-icon { font-size: 20px; color: var(--accent); margin-bottom: 8px; }

/* CTA banner */
.cta-banner { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%); border-radius: var(--radius-lg); padding: 60px 48px; text-align: center; position: relative; overflow: hidden; margin: 90px 0; }
.cta-banner::before { content: ''; position: absolute; width: 200px; height: 200px; border-radius: 50%; background: rgba(255,255,255,0.15); top: -60px; left: -40px; }
.cta-banner::after { content: ''; position: absolute; width: 120px; height: 120px; border-radius: 50%; background: rgba(255,255,255,0.1); bottom: -30px; right: 40px; }
.cta-banner h2 { font-size: clamp(26px, 36px, 36px); font-weight: 800; color: var(--dark); margin-bottom: 14px; position: relative; z-index: 1; }
.cta-banner p { font-size: 16px; color: rgba(21,38,45,0.75); max-width: 520px; margin: 0 auto 28px; position: relative; z-index: 1; }
.cta-banner .btn { background: var(--dark); color: var(--primary); position: relative; z-index: 1; }
.cta-banner .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(14,41,51,0.3); }

/* FAQ */
.faq-section { background: #fff; padding: 90px 0; }
.faq-wrap { max-width: 760px; margin: 0 auto; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius-md); margin-bottom: 14px; overflow: hidden; transition: box-shadow 0.3s; background: var(--bg); }
.faq-item.open { box-shadow: var(--shadow); }
.faq-question { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 24px; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--text); }
.faq-question .faq-icon { width: 28px; height: 28px; border-radius: 50%; background: rgba(200,240,105,0.3); display: flex; align-items: center; justify-content: center; font-size: 14px; color: var(--dark); transition: transform 0.3s; flex-shrink: 0; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-item.open .faq-answer { max-height: 240px; }
.faq-answer p { padding: 0 24px 20px; font-size: 15px; color: var(--text-sub); line-height: 1.8; }

/* Footer */
.site-footer { background: var(--dark); padding: 70px 0 100px; color: rgba(242,247,247,0.8); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: rgba(242,247,247,0.55); max-width: 320px; line-height: 1.8; }
.footer-col h4 { font-size: 16px; color: #F2F7F7; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(242,247,247,0.6); transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--primary); }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(242,247,247,0.6); }
.footer-contact li i { color: var(--primary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 13px; color: rgba(242,247,247,0.45); }

/* Breadcrumb */
.breadcrumb-bar { padding: 120px 0 0; background: var(--dark); position: relative; overflow: hidden; }
.breadcrumb-bar::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat; opacity: 0.2; }
.breadcrumb-bar .container { position: relative; z-index: 1; padding-bottom: 40px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(242,247,247,0.7); flex-wrap: wrap; }
.breadcrumb a { color: rgba(242,247,247,0.7); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { opacity: 0.4; }
.breadcrumb .current { color: var(--primary); }

/* Responsive */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .hero-visual .phone-frame { width: 220px; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open { display: flex; position: absolute; top: 72px; left: 0; width: 100%; background: var(--dark); flex-direction: column; padding: 16px 24px; gap: 8px; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .nav-links.open a { width: 100%; text-align: center; }
  .mobile-tab-bar { display: flex; }
  .site-footer { padding-bottom: 130px; }
}

@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .category-hero { padding: 140px 0 60px; }
  .section-padding { padding: 60px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-banner { padding: 40px 24px; margin: 60px 0; }
  .hero-content h1 { font-size: 36px; }
  .hero-badges { gap: 10px; }
  .badge-item { padding: 8px 14px; }
  .badge-item .num { font-size: 18px; }
}

@media (max-width: 520px) {
  .hero-content h1 { font-size: 32px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item .stat-num { font-size: 32px; }
  .faq-question { font-size: 15px; padding: 16px 18px; }
  .faq-answer p { font-size: 14px; padding: 0 18px 16px; }
}

/* roulang page: category2 */
/* ========== Design Tokens ========== */
:root{
  --green:#C8F069;
  --green-2:#8CE08A;
  --dark:#0E2933;
  --dark-2:#1B4D5E;
  --coral:#FF7A4D;
  --bg:#F5F4EF;
  --text:#15262D;
  --text-sub:#5B6B72;
  --text-light:#F2F7F7;
  --border:#E4E3DB;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --radius-full:999px;
  --shadow:0 4px 20px rgba(14,41,51,0.08);
  --shadow-hover:0 10px 32px rgba(14,41,51,0.18);
  --shadow-dark:0 10px 32px rgba(0,0,0,0.35);
  --font:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',sans-serif;
  --font-num:'DIN Alternate','Roboto Mono',monospace;
  --container:1200px;
  --header-h:76px;
  --tab-h:64px;
}

/* ========== Reset & Base ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
ul,ol{list-style:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input,textarea{font-family:inherit;font-size:1rem}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
::selection{background:rgba(200,240,105,.35)}

/* ========== Header / Nav ========== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(14,41,51,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .35s ease,box-shadow .35s ease;
}
.site-header.scrolled{
  background:rgba(14,41,51,.98);
  box-shadow:0 4px 24px rgba(0,0,0,.25);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:var(--header-h);gap:20px;
}
.logo{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
  font-size:1.3rem;font-weight:800;color:var(--text-light);letter-spacing:.5px;
}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:14px;
  background:linear-gradient(135deg,var(--green),var(--green-2));
  color:var(--dark);font-size:1rem;font-weight:900;font-family:var(--font-num);
  box-shadow:0 4px 14px rgba(200,240,105,.35);
}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;
  padding:8px 14px;border-radius:var(--radius-full);
  color:rgba(242,247,247,.85);font-size:.92rem;font-weight:500;
  white-space:nowrap;transition:all .25s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-links a.active{color:var(--green)}
.nav-links a.active::after{
  content:'';position:absolute;left:18px;right:18px;bottom:2px;height:3px;
  border-radius:3px;background:var(--green);
}
.nav-cta{
  flex-shrink:0;
  padding:10px 22px;border-radius:var(--radius-full);
  background:linear-gradient(135deg,var(--green),var(--green-2));
  color:var(--dark) !important;font-weight:700;font-size:.92rem;
  box-shadow:0 4px 14px rgba(200,240,105,.25);
  transition:all .25s ease;
}
.nav-cta:hover{
  transform:translateY(-2px);
  box-shadow:0 6px 24px rgba(200,240,105,.45);
}
.nav-cta:active{transform:translateY(0);box-shadow:0 2px 8px rgba(200,240,105,.3)}
.nav-toggle{display:none;color:#fff;font-size:1.3rem;padding:8px 10px;border-radius:10px}
.nav-toggle:hover{background:rgba(255,255,255,.1)}

/* ========== Mobile Bottom Tab ========== */
.mobile-tabs{
  display:none;position:fixed;bottom:0;left:0;right:0;z-index:99;
  height:var(--tab-h);background:var(--dark);
  border-top:1px solid rgba(255,255,255,.08);
  align-items:center;justify-content:space-around;
}
.mobile-tabs a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  color:rgba(242,247,247,.65);font-size:.68rem;font-weight:500;
  height:100%;position:relative;transition:color .2s ease;
}
.mobile-tabs a i{font-size:1.15rem}
.mobile-tabs a.active{color:var(--green)}
.mobile-tabs a.active::before{
  content:'';position:absolute;bottom:4px;left:50%;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--green);
}

/* ========== Buttons ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:var(--radius-full);
  font-size:.95rem;font-weight:600;line-height:1;
  transition:all .28s ease;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--green),var(--green-2));
  color:var(--dark) !important;
  box-shadow:0 4px 16px rgba(200,240,105,.25);
}
.btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 0 24px rgba(200,240,105,.5);
}
.btn-primary:active{
  transform:translateY(0);
  box-shadow:0 2px 8px rgba(200,240,105,.3);
}
.btn-outline{
  background:transparent;border:2px solid var(--green);
  color:var(--green) !important;
}
.btn-outline:hover{
  background:rgba(200,240,105,.12);
  transform:translateY(-2px);
}
.btn-outline-light{
  background:transparent;border:2px solid rgba(255,255,255,.5);
  color:#fff !important;
}
.btn-outline-light:hover{
  border-color:#fff;background:rgba(255,255,255,.08);
  transform:translateY(-2px);
}
.btn-lg{padding:16px 40px;font-size:1rem}

/* ========== Hero ========== */
.hero{
  position:relative;
  background:linear-gradient(160deg,var(--dark) 0%,var(--dark-2) 100%);
  padding:calc(var(--header-h) + 60px) 0 80px;
  overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.12;filter:saturate(.7);
}
.hero::after{
  content:'';position:absolute;top:-200px;right:-150px;
  width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,240,105,.18),transparent 70%);
  pointer-events:none;
}
.hero .container{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;
}
.hero-copy .hero-tagline{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(200,240,105,.15);border:1px solid rgba(200,240,105,.3);
  color:var(--green);font-size:.82rem;font-weight:600;
  padding:7px 16px;border-radius:var(--radius-full);margin-bottom:20px;
}
.hero-copy .hero-tagline i{font-size:.85rem}
.hero-copy h1{
  font-size:clamp(2.2rem,4.5vw,3.6rem);
  font-weight:800;line-height:1.15;color:#fff;
  letter-spacing:-.5px;margin-bottom:18px;
}
.hero-copy h1 span{
  color:var(--green);position:relative;
}
.hero-copy .hero-desc{
  color:rgba(242,247,247,.8);font-size:1rem;line-height:1.75;
  max-width:520px;margin-bottom:30px;
}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-data{display:flex;gap:26px;flex-wrap:wrap}
.hero-data .data-item{text-align:left}
.hero-data .data-item b{
  display:block;font-family:var(--font-num);font-size:1.7rem;font-weight:800;
  color:var(--green);line-height:1.2;
}
.hero-data .data-item span{
  font-size:.8rem;color:rgba(242,247,247,.6);
}

.hero-visual{position:relative;display:flex;justify-content:center}
.phone-shell{
  position:relative;width:260px;height:520px;
  background:#0B1E26;border-radius:36px;
  border:6px solid #1a3a47;
  box-shadow:var(--shadow-dark),0 0 0 2px rgba(200,240,105,.15);
  overflow:hidden;
}
.phone-screen{
  position:absolute;inset:0;border-radius:28px;overflow:hidden;
  background:var(--dark);
}
.phone-screen img{
  width:100%;height:100%;object-fit:cover;
}
.phone-shade{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(14,41,51,.88) 0%,rgba(14,41,51,.15) 45%,rgba(14,41,51,0) 100%);
}
.phone-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;
  background:rgba(255,255,255,.2);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;
  border:2px solid rgba(255,255,255,.5);transition:all .3s ease;
}
.phone-play i{
  font-size:1.1rem;color:#fff;margin-left:4px;
}
.phone-shell:hover .phone-play{
  transform:translate(-50%,-50%) scale(1.1);
  background:rgba(255,255,255,.3);
}
.phone-shell .phone-meta{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  color:#fff;
}
.phone-shell .phone-meta h4{font-size:.92rem;font-weight:600;margin-bottom:4px}
.phone-shell .phone-meta p{font-size:.75rem;color:rgba(255,255,255,.7)}
.hero-badge-float{
  position:absolute;bottom:-12px;left:50%;transform:translateX(-50%);
  display:flex;gap:10px;z-index:3;background:var(--dark);
  padding:10px 16px;border-radius:var(--radius-full);
  box-shadow:var(--shadow-dark);border:1px solid rgba(255,255,255,.1);
  white-space:nowrap;
}
.hero-badge-float .mini-badge{
  font-size:.75rem;color:rgba(242,247,247,.7);
}
.hero-badge-float .mini-badge b{
  font-family:var(--font-num);color:var(--green);font-weight:800;
}

/* ========== Section Common ========== */
.section{padding:80px 0}
.section-head{
  text-align:center;max-width:720px;margin:0 auto 48px;
}
.section-head .sec-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(200,240,105,.2);color:var(--dark);
  font-size:.78rem;font-weight:700;padding:5px 14px;
  border-radius:var(--radius-full);margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(1.75rem,3vw,2.5rem);
  font-weight:700;line-height:1.3;letter-spacing:-.3px;
  margin-bottom:12px;
}
.section-head p{
  color:var(--text-sub);font-size:.95rem;line-height:1.7;
}

/* ========== Play Cards (Vertical) ========== */
.play-section{
  padding:80px 0;
  background:var(--bg);
}
.play-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
}
.play-card{
  position:relative;background:#fff;
  border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease;
}
.play-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.play-card-media{
  position:relative;aspect-ratio:3/4;overflow:hidden;
}
.play-card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.play-card:hover .play-card-media img{transform:scale(1.05)}
.play-card-media::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to top,rgba(14,41,51,.6),transparent 50%);
}
.play-duration{
  position:absolute;top:12px;left:12px;z-index:2;
  background:rgba(0,0,0,.75);color:#fff;font-size:.72rem;font-weight:600;
  padding:4px 10px;border-radius:var(--radius-full);
  backdrop-filter:blur(4px);
}
.play-tag{
  position:absolute;top:12px;right:12px;z-index:2;
  background:var(--green);color:var(--dark);font-size:.68rem;font-weight:700;
  padding:4px 10px;border-radius:var(--radius-full);
}
.play-hover-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.85);
  width:48px;height:48px;border-radius:50%;
  background:rgba(255,255,255,.3);border:2px solid rgba(255,255,255,.6);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:.85rem;
  opacity:0;transition:all .3s ease;z-index:2;backdrop-filter:blur(4px);
}
.play-card:hover .play-hover-btn{
  opacity:1;transform:translate(-50%,-50%) scale(1);
}
.play-card-body{
  padding:20px;background:#fff;
}
.play-card-body h3{
  font-size:1.05rem;font-weight:600;line-height:1.5;
  margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;min-height:3em;
}
.play-card-meta{
  display:flex;gap:12px;align-items:center;
  font-size:.76rem;color:var(--text-sub);
}
.play-card-meta .m-item{
  display:inline-flex;align-items:center;gap:4px;
}
.play-card-meta .m-item i{color:var(--coral);font-size:.7rem}
.play-card-meta .m-item.hot{color:var(--coral);font-weight:600}

/* ========== Stats Band ========== */
.stats-band{
  background:linear-gradient(135deg,var(--green),var(--green-2));
  padding:60px 0;position:relative;overflow:hidden;
}
.stats-band::before{
  content:'';position:absolute;top:-60px;right:-40px;
  width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.15);
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:30px;position:relative;z-index:2;
}
.stat-item{
  text-align:center;padding:10px;
}
.stat-item .stat-num{
  font-family:var(--font-num);font-size:2.4rem;font-weight:800;
  color:var(--dark);line-height:1.1;letter-spacing:-1px;
}
.stat-item .stat-num small{font-size:1.2rem;font-weight:700;margin-left:2px}
.stat-item .stat-label{
  font-size:.82rem;font-weight:600;color:rgba(21,38,45,.75);margin-top:6px;
}

/* ========== Feature Highlights ========== */
.feat-section{
  padding:80px 0;background:var(--dark);
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  background-blend-mode:overlay;
  position:relative;
}
.feat-section::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(14,41,51,.96),rgba(27,77,94,.92));
}
.feat-section .container{position:relative;z-index:2}
.feat-section .section-head h2{color:#fff}
.feat-section .section-head p{color:rgba(242,247,247,.7)}
.feat-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
}
.feat-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg);
  padding:32px 26px;backdrop-filter:blur(8px);
  transition:all .3s ease;
}
.feat-card:hover{
  background:rgba(255,255,255,.1);
  transform:translateY(-4px);
}
.feat-icon{
  width:54px;height:54px;border-radius:16px;
  background:rgba(200,240,105,.18);border:1px solid rgba(200,240,105,.3);
  display:flex;align-items:center;justify-content:center;
  font-size:1.3rem;color:var(--green);margin-bottom:18px;
}
.feat-card h3{color:#fff;font-size:1.05rem;font-weight:600;margin-bottom:10px}
.feat-card p{color:rgba(242,247,247,.7);font-size:.86rem;line-height:1.65}

/* ========== Scenarios ========== */
.scene-section{padding:80px 0}
.scene-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
}
.scene-card{
  background:#fff;border-radius:var(--radius-lg);
  padding:30px 26px;box-shadow:var(--shadow);
  border:1px solid rgba(14,41,51,.05);
  transition:transform .3s ease,box-shadow .3s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.scene-num{
  font-family:var(--font-num);font-size:1.1rem;font-weight:800;
  color:var(--green);margin-bottom:12px;letter-spacing:1px;
}
.scene-card h3{font-size:1.08rem;font-weight:600;margin-bottom:8px}
.scene-card p{font-size:.86rem;color:var(--text-sub);line-height:1.65}
.scene-icon{
  width:42px;height:42px;border-radius:12px;background:rgba(255,122,77,.12);
  display:flex;align-items:center;justify-content:center;
  color:var(--coral);font-size:1rem;margin-bottom:16px;
}

/* ========== Process Steps ========== */
.process-section{
  padding:80px 0;background:#fff;border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.steps-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.step-item{
  position:relative;text-align:center;padding:30px 16px 10px;
}
.step-item::after{
  content:'';position:absolute;top:54px;right:-14px;
  width:28px;height:2px;background:var(--green);
}
.step-item:last-child::after{display:none}
.step-circle{
  width:72px;height:72px;margin:0 auto 18px;
  border-radius:50%;background:linear-gradient(135deg,var(--green),var(--green-2));
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:1.6rem;font-weight:800;color:var(--dark);
  box-shadow:0 8px 20px rgba(200,240,105,.3);
}
.step-item h3{font-size:1rem;font-weight:600;margin-bottom:8px}
.step-item p{font-size:.82rem;color:var(--text-sub);line-height:1.6}

/* ========== FAQ ========== */
.faq-section{
  padding:80px 0;
  background:linear-gradient(160deg,var(--dark),var(--dark-2));
}
.faq-section .section-head h2{color:#fff}
.faq-section .section-head p{color:rgba(242,247,247,.7)}
.faq-wrap{
  max-width:820px;margin:0 auto;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-lg);overflow:hidden;
}
.faq-item{border-bottom:1px solid rgba(255,255,255,.08)}
.faq-item:last-child{border-bottom:none}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:20px 26px;color:var(--text-light);
  font-size:.95rem;font-weight:600;text-align:left;
  transition:background .25s ease;
}
.faq-q:hover{background:rgba(255,255,255,.04)}
.faq-q .faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  border:2px solid rgba(200,240,105,.6);color:var(--green);
  display:flex;align-items:center;justify-content:center;
  font-size:.75rem;transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.open .faq-icon{
  transform:rotate(45deg);
  background:var(--green);color:var(--dark);border-color:var(--green);
}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
}
.faq-a-inner{
  padding:0 26px 22px;color:rgba(242,247,247,.75);
  font-size:.88rem;line-height:1.75;
}

/* ========== CTA Band ========== */
.cta-band{
  position:relative;padding:80px 0;text-align:center;
  background:linear-gradient(135deg,var(--green),var(--green-2));
  overflow:hidden;
}
.cta-band::before{
  content:'';position:absolute;top:-100px;left:-60px;
  width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.18);
}
.cta-band::after{
  content:'';position:absolute;bottom:-120px;right:-40px;
  width:380px;height:380px;border-radius:50%;
  background:rgba(14,41,51,.08);
}
.cta-band .container{position:relative;z-index:2}
.cta-band h2{
  font-size:clamp(1.8rem,3.5vw,2.8rem);
  font-weight:800;color:var(--dark);letter-spacing:-.5px;margin-bottom:14px;
}
.cta-band p{
  color:rgba(21,38,45,.75);font-size:1rem;max-width:560px;margin:0 auto 30px;line-height:1.7;
}
.cta-band .btn{
  background:var(--dark);color:var(--green) !important;
  box-shadow:0 8px 24px rgba(14,41,51,.25);
}
.cta-band .btn:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 30px rgba(14,41,51,.35);
}
.cta-note{
  margin-top:14px;font-size:.78rem;color:rgba(21,38,45,.6);
}

/* ========== Footer ========== */
.site-footer{
  background:var(--dark);color:rgba(242,247,247,.8);
  padding:64px 0 80px;border-top:1px solid rgba(255,255,255,.06);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{
  font-size:.86rem;color:rgba(242,247,247,.6);line-height:1.7;margin-bottom:18px;max-width:340px;
}
.footer-col h4{
  color:#fff;font-size:.95rem;font-weight:600;margin-bottom:14px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  color:rgba(242,247,247,.65);font-size:.86rem;transition:color .25s ease;
}
.footer-col ul a:hover{color:var(--green)}
.footer-contact li{
  display:flex;align-items:center;gap:10px;
  color:rgba(242,247,247,.65);font-size:.84rem;
}
.footer-contact li i{color:var(--green);width:16px;font-size:.9rem}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:22px;font-size:.8rem;color:rgba(242,247,247,.45);
}

/* ========== Responsive ========== */
@media(max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-cta{margin-left:auto}
  .mobile-tabs{display:flex}
  body{padding-bottom:var(--tab-h)}
  .site-footer{padding-bottom:calc(var(--tab-h) + 30px)}
  .hero .container{
    grid-template-columns:1fr;gap:50px;text-align:center;
  }
  .hero-copy .hero-desc{margin-left:auto;margin-right:auto}
  .hero-ctas,.hero-data{justify-content:center}
  .play-grid{grid-template-columns:repeat(2,1fr)}
  .feat-grid,.scene-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr);row-gap:40px}
  .step-item::after{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px}
}
@media(max-width:768px){
  .nav-cta{display:none}
  .section{padding:56px 0}
  .play-section,.feat-section,.scene-section,.process-section,.faq-section{padding:56px 0}
  .hero{padding:calc(var(--header-h) + 36px) 0 56px}
  .hero-data .data-item b{font-size:1.4rem}
  .phone-shell{width:220px;height:440px;border-radius:30px}
  .phone-screen{border-radius:22px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:6px;text-align:center}
}
@media(max-width:520px){
  .play-grid,.feat-grid,.scene-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr;row-gap:30px}
  .hero-ctas{flex-direction:column;align-items:stretch}
  .hero-ctas .btn{width:100%}
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat-item .stat-num{font-size:1.8rem}
  .footer-contact li{font-size:.8rem;word-break:break-all}
}
@media(max-width:480px){
  .container{padding:0 18px}
  .hero-badge-float{flex-wrap:wrap;justify-content:center;gap:6px;padding:8px 14px}
}

/* roulang page: category3 */
:root{
  --primary:#C8F069;
  --primary-2:#8CE08A;
  --dark:#0E2933;
  --dark-light:#1B4D5E;
  --accent:#FF7A4D;
  --bg:#F5F4EF;
  --text:#15262D;
  --text-weak:#5B6B72;
  --text-light:#F2F7F7;
  --border:#E4E3DB;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow:0 4px 20px rgba(14,41,51,0.08);
  --shadow-lg:0 10px 32px rgba(14,41,51,0.18);
  --font-main:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',sans-serif;
  --font-num:'DIN Alternate','Roboto Mono',monospace;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-main);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button,input,textarea{font-family:inherit;font-size:inherit;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:84px 0;}
.section-head{text-align:center;margin-bottom:52px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--dark-light);font-size:14px;font-weight:600;
  background:rgba(14,41,51,0.06);padding:6px 16px;border-radius:999px;margin-bottom:14px;
  letter-spacing:1px;
}
.section-head .eyebrow i{color:var(--accent);}
.section-head h2{
  font-size:clamp(28px,3vw,40px);
  font-weight:800;line-height:1.3;color:var(--text);
}
.section-head p{
  color:var(--text-weak);font-size:15px;margin-top:14px;
  max-width:660px;margin-left:auto;margin-right:auto;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1.4;
  border:none;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:var(--dark);
  box-shadow:0 4px 16px rgba(200,240,105,0.25);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 24px rgba(200,240,105,0.5);
}
.btn-primary:active{
  transform:translateY(0);
  box-shadow:0 2px 8px rgba(200,240,105,0.3);
}
.btn-ghost{
  background:transparent;
  border:2px solid var(--primary);
  color:var(--primary);
}
.btn-ghost:hover{
  background:rgba(200,240,105,0.12);
  transform:translateY(-2px);
}
.btn-ghost:active{
  transform:translateY(0);
}
.btn-lg{padding:15px 36px;font-size:16px;}
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(14,41,51,0.55);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(14,41,51,0.94);
  box-shadow:0 4px 24px rgba(14,41,51,0.22);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:24px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;color:var(--text-light);
  white-space:nowrap;
}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:var(--dark);font-weight:800;font-size:16px;
}
.nav-links{display:flex;gap:6px;}
.nav-links a{
  color:rgba(242,247,247,0.75);
  padding:10px 16px;border-radius:12px;
  font-size:15px;font-weight:500;
  position:relative;white-space:nowrap;
  transition:color .25s ease,background .25s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,0.06);}
.nav-links a.active{color:var(--primary);}
.nav-links a.active::after{
  content:'';position:absolute;left:16px;right:16px;bottom:4px;
  height:2px;background:var(--primary);border-radius:2px;
}
.nav-toggle{
  display:none;background:none;border:none;color:var(--text-light);
  font-size:20px;cursor:pointer;padding:8px;border-radius:8px;
}
.nav-toggle:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.mobile-tabbar{display:none;}
@media (max-width:767px){
  .site-header{background:rgba(14,41,51,0.92);}
  .nav-wrap{height:60px;}
  .logo{font-size:17px;}
  .logo-mark{width:32px;height:32px;font-size:14px;border-radius:10px;}
  .nav-links{
    display:none;position:absolute;top:60px;left:0;right:0;
    background:var(--dark);flex-direction:column;
    padding:12px 24px 20px;
    border-top:1px solid rgba(255,255,255,0.08);
    box-shadow:0 20px 32px rgba(0,0,0,0.3);
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,0.08);border-radius:0;}
  .nav-links a:last-child{border-bottom:none;}
  .nav-links a.active::after{display:none;}
  .nav-links a.active{color:var(--primary);}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-cta{padding:8px 14px;font-size:13px;}
  body{padding-bottom:64px;}
  .mobile-tabbar{
    display:flex;position:fixed;bottom:0;left:0;right:0;height:64px;z-index:1000;
    background:var(--dark);align-items:stretch;justify-content:space-around;
    border-top:1px solid rgba(255,255,255,0.08);
  }
  .tab-item{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;color:rgba(242,247,247,0.55);font-size:11px;
    transition:color .2s ease;
  }
  .tab-item i{font-size:18px;}
  .tab-item span{line-height:1;}
  .tab-item.active{color:var(--primary);position:relative;}
  .tab-item.active::before{
    content:'';position:absolute;top:3px;width:4px;height:4px;
    border-radius:50%;background:var(--primary);
  }
}
.welfare-hero{
  position:relative;
  background:linear-gradient(160deg,var(--dark) 0%,var(--dark-light) 100%);
  padding:150px 0 88px;
  overflow:hidden;
}
.welfare-hero::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:0.16;
}
.welfare-hero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,41,51,0.9) 0%,rgba(14,41,51,0.55) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(200,240,105,0.15);
  border:1px solid rgba(200,240,105,0.3);
  color:var(--primary);
  font-size:14px;font-weight:600;
  padding:6px 16px;border-radius:999px;
  margin-bottom:20px;
}
.hero-eyebrow i{font-size:14px;}
.welfare-hero h1{
  font-size:clamp(40px,5.2vw,68px);
  font-weight:800;line-height:1.15;
  color:var(--text-light);
  margin-bottom:18px;
}
.hero-sub{
  font-size:16px;line-height:1.8;
  color:rgba(242,247,247,0.78);
  max-width:520px;
  margin-bottom:32px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-badges{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:38px;
}
.data-badge{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-width:110px;padding:12px 18px;border-radius:999px;
  background:rgba(200,240,105,0.1);
  border:1px solid rgba(200,240,105,0.24);
}
.data-badge .num{
  font-family:var(--font-num);font-size:24px;font-weight:700;
  color:var(--primary);line-height:1.2;
}
.data-badge .label{
  font-size:12px;color:rgba(242,247,247,0.72);
  margin-top:2px;
}
.hero-visual{position:relative;max-width:360px;margin-left:auto;}
.hero-card{
  position:relative;border-radius:32px;overflow:hidden;
  border:4px solid rgba(255,255,255,0.14);
  box-shadow:0 24px 64px rgba(0,0,0,0.4);
}
.hero-card img{width:100%;aspect-ratio:9/11;object-fit:cover;}
.hero-card-overlay{
  position:absolute;left:0;right:0;bottom:0;
  padding:28px 24px 20px;
  background:linear-gradient(to top,rgba(14,41,51,0.92) 0%,rgba(14,41,51,0) 100%);
  color:var(--text-light);
}
.hero-card-overlay h3{font-size:18px;font-weight:700;}
.hero-card-overlay p{font-size:13px;color:rgba(242,247,247,0.72);margin-top:4px;}
@media (max-width:1023px){
  .hero-inner{grid-template-columns:1fr;gap:44px;}
  .hero-visual{margin:0 auto;max-width:300px;}
  .hero-actions{flex-wrap:wrap;}
}
@media (max-width:767px){
  .welfare-hero{padding:110px 0 56px;}
  .welfare-hero h1{font-size:36px;}
  .hero-sub{font-size:15px;}
  .hero-badges{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}
  .data-badge{min-width:0;padding:10px 14px;}
  .data-badge .num{font-size:20px;}
}
.intro-section{padding-top:56px;}
.intro-card{
  background:#fff;border-radius:var(--radius-lg);
  padding:44px;
  box-shadow:var(--shadow);
  display:grid;grid-template-columns:1fr auto;gap:48px;align-items:center;
  border:1px solid rgba(14,41,51,0.05);
}
.intro-text h2{font-size:22px;font-weight:700;margin-bottom:10px;}
.intro-text p{color:var(--text-weak);font-size:15px;line-height:1.8;}
.intro-badges{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;min-width:280px;}
.intro-badge{
  background:var(--dark);border-radius:var(--radius-sm);
  padding:18px 20px;text-align:center;
  transition:transform .3s ease;
}
.intro-badge:hover{transform:translateY(-3px);}
.intro-badge .num{
  font-family:var(--font-num);font-size:24px;font-weight:700;
  color:var(--primary);line-height:1.2;
}
.intro-badge .lbl{
  font-size:12px;color:rgba(242,247,247,0.68);margin-top:4px;display:block;
}
@media (max-width:1023px){
  .intro-card{grid-template-columns:1fr;gap:28px;}
  .intro-badges{grid-template-columns:repeat(4,1fr);min-width:0;}
}
@media (max-width:640px){
  .intro-card{padding:28px 22px;}
  .intro-badges{grid-template-columns:repeat(2,1fr);}
}
.activity-section{background:var(--bg);}
.activity-list{display:flex;flex-direction:column;gap:14px;}
.activity-row{
  display:flex;align-items:center;gap:24px;
  background:#fff;border-radius:var(--radius-md);
  padding:24px 28px;
  box-shadow:var(--shadow);
  border:1px solid rgba(14,41,51,0.04);
  transition:transform .3s ease,box-shadow .3s ease;
  cursor:pointer;
}
.activity-row:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-lg);
}
.activity-index{
  width:46px;height:46px;flex-shrink:0;
  border-radius:50%;
  background:var(--dark);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:700;font-size:18px;
  transition:background .3s ease,color .3s ease,transform .3s ease;
}
.activity-row:hover .activity-index{
  background:var(--primary);
  color:var(--dark);
  transform:scale(1.05);
}
.activity-info{flex:1;min-width:0;}
.activity-info h3{font-size:18px;font-weight:600;color:var(--text);}
.activity-info p{
  font-size:14px;color:var(--text-weak);
  margin-top:5px;line-height:1.6;
  overflow:hidden;text-overflow:ellipsis;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.activity-tags{display:flex;gap:8px;margin-top:9px;flex-wrap:wrap;}
.tag{
  display:inline-flex;align-items:center;gap:4px;
  padding:3px 11px;border-radius:999px;
  font-size:12px;font-weight:500;
}
.tag-active{background:rgba(200,240,105,0.28);color:#3a6b1e;}
.tag-limit{background:rgba(255,122,77,0.16);color:#d0552b;}
.tag-soon{background:rgba(27,77,94,0.12);color:var(--dark-light);}
.tag-regular{background:rgba(27,77,94,0.08);color:var(--dark-light);}
.activity-meta{text-align:right;flex-shrink:0;}
.activity-meta .time{
  font-size:13px;color:var(--text-weak);display:block;
  font-family:var(--font-num);
}
.activity-arrow{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  background:var(--bg);color:var(--dark);margin-top:8px;
  transition:background .3s ease,color .3s ease;
}
.activity-row:hover .activity-arrow{background:var(--primary);color:var(--dark);}
@media (max-width:767px){
  .activity-row{flex-wrap:wrap;gap:14px;padding:18px 16px;}
  .activity-index{width:36px;height:36px;font-size:15px;}
  .activity-info h3{font-size:16px;}
  .activity-meta{margin-left:auto;display:flex;align-items:center;gap:10px;}
  .activity-meta .time{margin-top:0;}
  .activity-arrow{margin-top:0;width:32px;height:32px;}
}
.stats-band{
  background:var(--dark);padding:72px 0;
  position:relative;overflow:hidden;
}
.stats-band::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:0.12;
}
.stats-band::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(14,41,51,0.86) 0%,rgba(27,77,94,0.86) 100%);
}
.stats-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.stat-cell{
  text-align:center;padding:28px 20px;
  background:rgba(255,255,255,0.05);
  border-radius:var(--radius-md);
  border:1px solid rgba(255,255,255,0.08);
  transition:transform .3s ease,background .3s ease;
}
.stat-cell:hover{
  transform:translateY(-5px);
  background:rgba(255,255,255,0.08);
}
.stat-cell .ico{
  font-size:26px;color:var(--primary);margin-bottom:10px;
}
.stat-cell .num{
  font-family:var(--font-num);font-size:34px;font-weight:700;
  color:var(--primary);line-height:1.2;
}
.stat-cell .lbl{
  color:rgba(242,247,247,0.7);font-size:13px;margin-top:6px;display:block;
}
@media (max-width:900px){
  .stats-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:480px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .stat-cell .num{font-size:26px;}
}
.steps-section{background:var(--bg);}
.steps-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  position:relative;
}
.step-card{
  background:#fff;border-radius:var(--radius-md);
  padding:30px 24px;text-align:center;
  box-shadow:var(--shadow);
  position:relative;
  transition:transform .3s ease,box-shadow .3s ease;
  border:1px solid rgba(14,41,51,0.04);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.step-card::after{
  content:'→';
  position:absolute;top:50%;right:-20px;
  transform:translateY(-50%);
  font-size:20px;color:var(--primary-2);
  z-index:2;
}
.step-card:last-child::after{display:none;}
.step-num{
  font-family:var(--font-num);font-size:15px;font-weight:700;
  color:var(--accent);letter-spacing:1px;
}
.step-card h3{font-size:17px;margin-top:10px;font-weight:600;}
.step-card p{
  font-size:13px;color:var(--text-weak);
  margin-top:8px;line-height:1.65;
}
.step-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:50px;height:50px;border-radius:14px;
  background:rgba(200,240,105,0.2);
  color:var(--dark);font-size:20px;margin-top:14px;
}
@media (max-width:1023px){
  .steps-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .step-card::after{display:none;}
}
@media (max-width:520px){
  .steps-grid{grid-template-columns:1fr;}
}
.hot-section{background:#fff;}
.hot-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.hot-card{
  background:var(--bg);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease;
  border:1px solid rgba(14,41,51,0.04);
}
.hot-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-lg);
}
.hot-cover{
  position:relative;aspect-ratio:3/4;overflow:hidden;
  background:var(--dark-light);
}
.hot-cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .45s ease;
}
.hot-card:hover .hot-cover img{transform:scale(1.05);}
.hot-tag{
  position:absolute;top:14px;left:14px;
  background:var(--accent);color:#fff;
  padding:5px 13px;border-radius:999px;
  font-size:12px;font-weight:600;
  box-shadow:0 4px 12px rgba(255,122,77,0.35);
}
.hot-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:50px;height:50px;border-radius:50%;
  background:rgba(242,247,247,0.86);
  display:flex;align-items:center;justify-content:center;
  color:var(--dark);font-size:18px;
  opacity:0;transition:opacity .3s ease,transform .3s ease;
}
.hot-card:hover .hot-play{opacity:1;transform:translate(-50%,-50%) scale(1.08);}
.hot-body{padding:22px 22px 24px;}
.hot-body h3{font-size:17px;font-weight:600;color:var(--text);}
.hot-body p{font-size:13px;color:var(--text-weak);margin-top:7px;line-height:1.6;}
.hot-meta{
  display:flex;gap:16px;margin-top:14px;
  font-size:12px;color:var(--text-weak);
}
.hot-meta i{color:var(--accent);margin-right:4px;}
@media (max-width:1023px){
  .hot-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:560px){
  .hot-grid{grid-template-columns:1fr;}
}
.faq-section{background:var(--bg);}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border-radius:var(--radius-md);
  box-shadow:var(--shadow);
  border:1px solid rgba(14,41,51,0.04);
  overflow:hidden;
  transition:box-shadow .3s ease;
}
.faq-item.open{box-shadow:var(--shadow-lg);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:20px 24px;
  background:none;border:none;cursor:pointer;
  text-align:left;font-size:16px;font-weight:600;color:var(--text);
  font-family:inherit;line-height:1.5;
  transition:color .25s ease;
}
.faq-q:hover{color:var(--dark-light);}
.faq-icon{
  width:28px;height:28px;border-radius:50%;
  background:var(--dark);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;flex-shrink:0;
  transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.open .faq-icon{
  transform:rotate(45deg);
  background:var(--primary);color:var(--dark);
}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .35s ease;
  padding:0 24px;
}
.faq-a p{
  padding-bottom:22px;
  font-size:14px;color:var(--text-weak);line-height:1.8;
}
.cta-section{padding:56px 0 100px;background:var(--bg);}
.cta-band{
  background:linear-gradient(160deg,var(--dark),var(--dark-light));
  border-radius:var(--radius-lg);
  padding:64px 48px;text-align:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity:0.16;
}
.cta-band::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,41,51,0.78),rgba(27,77,94,0.78));
}
.cta-inner{position:relative;z-index:2;}
.cta-inner h2{
  color:var(--text-light);
  font-size:clamp(26px,3.6vw,38px);
  font-weight:800;line-height:1.3;
}
.cta-inner p{
  color:rgba(242,247,247,0.74);
  font-size:15px;margin-top:12px;
  max-width:560px;margin-left:auto;margin-right:auto;
}
.cta-actions{margin-top:28px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.cta-note{
  margin-top:16px;font-size:12px;color:rgba(242,247,247,0.55);
}
@media (max-width:640px){
  .cta-section{padding:40px 0 80px;}
  .cta-band{padding:44px 22px;}
  .cta-actions .btn{width:100%;}
}
.site-footer{
  background:var(--dark);
  padding:64px 0 36px;
  color:rgba(242,247,247,0.68);
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;
}
.footer-brand .logo{font-size:19px;}
.footer-brand p{
  margin-top:18px;font-size:14px;line-height:1.8;
  color:rgba(242,247,247,0.6);
  max-width:340px;
}
.footer-col h4{
  color:var(--text-light);font-size:16px;font-weight:600;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:12px;font-size:14px;}
.footer-col a{transition:color .25s ease;}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{
  display:flex;align-items:center;gap:10px;
  color:rgba(242,247,247,0.62);
}
.footer-contact i{color:var(--primary);font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08);
  margin-top:44px;padding-top:24px;
  display:flex;justify-content:space-between;align-items:center;
  gap:10px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,247,247,0.48);
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr;gap:36px;}
}
@media (max-width:767px){
  .site-footer{padding-bottom:50px;padding-top:44px;}
  .footer-grid{gap:28px;}
  .footer-bottom{flex-direction:column;text-align:center;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}