/* roulang page: index */
:root{
  --c-bg:#f5f8ff;
  --c-bg-2:#eef3fe;
  --c-surface:#ffffff;
  --c-ink:#0d1a33;
  --c-ink-2:#4a5a75;
  --c-ink-3:#8794aa;
  --c-line:#e3eaf6;
  --c-line-2:#d3deef;
  --c-brand:#1f5fe0;
  --c-brand-2:#3f83ff;
  --c-brand-soft:#eaf1ff;
  --c-brand-deep:#123a8f;
  --c-accent:#f59e0b;
  --c-accent-soft:#fff5e2;
  --c-dark:#0b1730;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-1:0 1px 2px rgba(16,38,84,.05), 0 10px 28px -18px rgba(16,38,84,.28);
  --shadow-2:0 26px 60px -34px rgba(16,38,84,.42);
  --shadow-3:0 20px 46px -22px rgba(31,95,224,.55);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--c-bg);
  color:var(--c-ink);
  line-height:1.75;
  font-size:16px;
  padding-bottom:92px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:76px 0}
.section--alt{background:var(--c-bg-2)}
.section--dark{background:var(--c-dark);color:#e8eefc}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--c-brand);background:var(--c-brand-soft);padding:7px 15px;border-radius:999px}
.eyebrow--dark{color:#9fc0ff;background:rgba(63,131,255,.16)}
.sec-title{font-size:clamp(23px,3vw,33px);line-height:1.32;font-weight:800;letter-spacing:-.015em;margin:16px 0 12px}
.sec-desc{color:var(--c-ink-2);font-size:15.5px;max-width:720px}
.section--dark .sec-desc{color:#a7b6d6}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;gap:26px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-brand),#57a0ff);
  color:#fff;font-size:16px;box-shadow:var(--shadow-3);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--c-ink-2);
  transition:color .18s ease, background .18s ease;
}
.nav-link:hover{color:var(--c-brand);background:var(--c-brand-soft)}
.nav-link.is-active{color:var(--c-brand);background:var(--c-brand-soft)}
.nav-mega{position:relative}
.nav-mega-trigger i{font-size:11px;transition:transform .2s ease}
.nav-mega:hover .nav-mega-trigger i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:-10px;width:640px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-l);
  box-shadow:var(--shadow-2);padding:24px;
  display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s ease, transform .2s ease, visibility .2s;
}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--c-ink-3);margin-bottom:12px}
.mega-list li + li{margin-top:6px}
.mega-list a{display:block;padding:8px 10px;border-radius:10px;font-size:14px;color:var(--c-ink-2);font-weight:600;transition:.18s}
.mega-list a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.mega-card{background:linear-gradient(150deg,#12307a,#1f5fe0);border-radius:var(--radius-m);padding:18px;color:#fff}
.mega-card h4{font-size:15px;font-weight:800;margin-bottom:8px}
.mega-card p{font-size:12.5px;color:#c9dcff;line-height:1.6}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);align-items:center;justify-content:center;
}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:13px;font-size:15px;font-weight:700;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:11px}
.btn-primary{background:linear-gradient(135deg,var(--c-brand),var(--c-brand-2));color:#fff;box-shadow:var(--shadow-3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 44px -18px rgba(31,95,224,.72)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--c-ink);border:1px solid var(--c-line-2)}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px)}
.btn-link{color:var(--c-brand);font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:7px;padding:4px 0}
.btn-link:hover{gap:11px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:86px 0 74px;background:
  radial-gradient(680px 340px at 12% -6%, rgba(87,160,255,.28), transparent 62%),
  radial-gradient(560px 320px at 88% 4%, rgba(31,95,224,.20), transparent 60%),
  radial-gradient(760px 420px at 50% 118%, rgba(255,209,128,.26), transparent 64%),
  linear-gradient(180deg,#fbfdff 0%, var(--c-bg) 100%);
}
.hero-blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55;pointer-events:none}
.hero-blob.b1{width:300px;height:300px;background:#9fc4ff;top:-90px;left:-60px}
.hero-blob.b2{width:260px;height:260px;background:#ffd98f;bottom:-110px;right:6%}
.hero-inner{position:relative;z-index:2;max-width:900px;margin:0 auto;text-align:center}
.hero h1{
  font-size:clamp(28px,4.4vw,50px);line-height:1.22;font-weight:900;letter-spacing:-.025em;
  margin:22px 0 16px;
}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#1f5fe0,#57a0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:clamp(16px,1.6vw,19px);font-weight:700;color:var(--c-brand-deep);margin-bottom:16px}
.hero-copy{max-width:760px;margin:0 auto 30px;color:var(--c-ink-2);font-size:15.5px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:44px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:rgba(255,255,255,.78);border:1px solid rgba(255,255,255,.9);
  border-radius:var(--radius-l);box-shadow:var(--shadow-2);overflow:hidden;
  backdrop-filter:blur(10px);
}
.hero-stat{padding:22px 16px;text-align:center;border-right:1px solid var(--c-line)}
.hero-stat:last-child{border-right:none}
.hero-stat b{display:block;font-size:24px;font-weight:900;letter-spacing:-.02em;color:var(--c-brand-deep)}
.hero-stat span{font-size:12.5px;color:var(--c-ink-3);font-weight:600}

/* ============ Cards ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-m);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:#c9dbfa}
.card-ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--c-brand-soft);color:var(--c-brand);font-size:18px;margin-bottom:16px;
}
.card-ico--amber{background:var(--c-accent-soft);color:#d97706}
.card h3{font-size:17px;font-weight:800;margin-bottom:9px;letter-spacing:-.01em}
.card p{font-size:14.2px;color:var(--c-ink-2);line-height:1.75}
.card-num{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--c-ink-3);margin-bottom:12px;display:block}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  padding:5px 11px;border-radius:999px;background:var(--c-brand-soft);color:var(--c-brand);
}
.tag--gray{background:#f1f4fa;color:var(--c-ink-2)}
.tag--amber{background:var(--c-accent-soft);color:#b45309}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}

/* ============ 三条主线 ============ */
.line-item{
  display:grid;grid-template-columns:88px 1fr;gap:24px;align-items:start;
  padding:28px;border-radius:var(--radius-m);background:#fff;border:1px solid var(--c-line);
  box-shadow:var(--shadow-1);transition:.22s;
}
.line-item + .line-item{margin-top:16px}
.line-item:hover{border-color:#c9dbfa;box-shadow:var(--shadow-2);transform:translateX(4px)}
.line-no{
  font-size:30px;font-weight:900;letter-spacing:-.04em;
  background:linear-gradient(135deg,#1f5fe0,#78b0ff);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.line-item h3{font-size:18px;font-weight:800;margin-bottom:8px}
.line-item p{font-size:14.4px;color:var(--c-ink-2)}

/* ============ 场景分屏 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--shadow-2)}
.split-pane{padding:40px 36px;background:#fff}
.split-pane:first-child{background:linear-gradient(160deg,#12307a,#1f5fe0);color:#fff}
.split-pane h3{font-size:20px;font-weight:800;margin-bottom:12px}
.split-pane p{font-size:14.4px;color:var(--c-ink-2)}
.split-pane:first-child p{color:#c6d9ff}
.split-pane:first-child .tag{background:rgba(255,255,255,.16);color:#dbe9ff}
.split-strip{
  margin-top:20px;padding:22px 32px;border-radius:var(--radius-m);
  background:#fff;border:1px dashed var(--c-line-2);
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
}
.split-strip strong{font-size:15px;font-weight:800}
.split-strip span{font-size:14.2px;color:var(--c-ink-2)}

/* ============ 分类入口 ============ */
.entry-card{
  display:flex;flex-direction:column;gap:14px;padding:30px;border-radius:var(--radius-l);
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--shadow-1);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s;
  position:relative;overflow:hidden;
}
.entry-card::after{
  content:"";position:absolute;inset:auto -30px -40px auto;width:130px;height:130px;border-radius:50%;
  background:var(--c-brand-soft);opacity:.7;transition:.3s;
}
.entry-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);border-color:#bcd4fb}
.entry-card:hover::after{transform:scale(1.16)}
.entry-card h3{font-size:19px;font-weight:800;position:relative;z-index:1}
.entry-card p{font-size:14.2px;color:var(--c-ink-2);position:relative;z-index:1}
.entry-card .btn-link{position:relative;z-index:1;margin-top:auto}
.entry-no{font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--c-ink-3);position:relative;z-index:1}

/* ============ 内容卡 ============ */
.feed-card{
  border-radius:var(--radius-m);background:#fff;border:1px solid var(--c-line);
  padding:22px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:12px;
  transition:transform .22s ease, box-shadow .22s ease;
}
.feed-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2)}
.feed-card h3{font-size:16px;font-weight:800;line-height:1.5}
.feed-card p{font-size:13.8px;color:var(--c-ink-2)}
.feed-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--c-ink-3);font-weight:600;margin-top:auto}

/* ============ 数据条 ============ */
.stat-row{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.stat-cell{padding:24px 18px;border-radius:var(--radius-m);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);text-align:center}
.stat-cell b{display:block;font-size:25px;font-weight:900;letter-spacing:-.02em;color:#8fb8ff}
.stat-cell span{font-size:12.5px;color:#a7b6d6;font-weight:600}

/* ============ 评价墙 ============ */
.quote-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);
  padding:24px;box-shadow:var(--shadow-1);transition:.22s;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.quote-card p{font-size:14.2px;color:var(--c-ink-2)}
.quote-who{display:flex;align-items:center;gap:11px;margin-top:18px}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:800;color:#fff;background:linear-gradient(135deg,#1f5fe0,#57a0ff)}
.quote-who strong{font-size:13.5px;display:block}
.quote-who small{font-size:12px;color:var(--c-ink-3)}

/* ============ 对比 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{border-radius:var(--radius-l);padding:30px;border:1px solid var(--c-line);background:#fff;box-shadow:var(--shadow-1)}
.compare-col.is-brand{background:linear-gradient(165deg,#12307a,#1f5fe0);color:#fff;border-color:transparent;box-shadow:var(--shadow-2)}
.compare-col h3{font-size:17px;font-weight:800;margin-bottom:16px}
.compare-col li{display:flex;gap:11px;font-size:14.2px;padding:9px 0;color:var(--c-ink-2)}
.compare-col.is-brand li{color:#d3e2ff}
.compare-col li i{font-size:13px;margin-top:5px;color:var(--c-brand)}
.compare-col.is-brand li i{color:#9ecbff}

/* ============ 更新日志 ============ */
.log-item{display:grid;grid-template-columns:130px 1fr;gap:22px;padding:22px 0;border-bottom:1px solid var(--c-line)}
.log-item:last-child{border-bottom:none}
.log-date{font-size:13px;font-weight:800;color:var(--c-brand);letter-spacing:.02em}
.log-item h4{font-size:15.5px;font-weight:800;margin-bottom:6px}
.log-item p{font-size:14px;color:var(--c-ink-2)}

/* ============ 排行榜 ============ */
.rank-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-l);box-shadow:var(--shadow-1);overflow:hidden}
.rank-item{display:flex;align-items:center;gap:18px;padding:17px 26px;border-bottom:1px solid var(--c-line);transition:background .18s}
.rank-item:last-child{border-bottom:none}
.rank-item:hover{background:#f8fbff}
.rank-no{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:13px;font-weight:900;background:#f1f4fa;color:var(--c-ink-2);flex-shrink:0}
.rank-item:nth-child(1) .rank-no{background:linear-gradient(135deg,#1f5fe0,#57a0ff);color:#fff}
.rank-item:nth-child(2) .rank-no{background:#dbe7ff;color:#1f5fe0}
.rank-item:nth-child(3) .rank-no{background:var(--c-accent-soft);color:#b45309}
.rank-title{font-size:14.6px;font-weight:700;flex:1}
.rank-heat{font-size:12.5px;color:var(--c-ink-3);font-weight:700;white-space:nowrap}

/* ============ FAQ ============ */
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);box-shadow:var(--shadow-1);overflow:hidden}
.faq-item + .faq-item{margin-top:14px}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 50px 20px 24px;position:relative;
  font-size:15.5px;font-weight:800;transition:color .18s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  position:absolute;right:24px;top:50%;transform:translateY(-50%);color:var(--c-ink-3);transition:transform .22s;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg)}
.faq-item summary:hover{color:var(--c-brand)}
.faq-item .faq-body{padding:0 24px 22px;font-size:14.3px;color:var(--c-ink-2)}

/* ============ 保障条 ============ */
.guard-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.guard{
  display:flex;align-items:center;gap:14px;padding:20px 22px;border-radius:var(--radius-m);
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--shadow-1);transition:.22s;
}
.guard:hover{border-color:#c9dbfa;transform:translateY(-3px)}
.guard i{font-size:19px;color:var(--c-brand)}
.guard strong{font-size:14.5px;display:block}
.guard small{font-size:12.5px;color:var(--c-ink-3)}

/* ============ Footer ============ */
.site-footer{background:var(--c-dark);color:#a7b6d6;padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;color:#fff}
.footer-brand .brand-mark{box-shadow:none}
.footer-about{font-size:13.6px;line-height:1.85;max-width:340px}
.footer-col h4{font-size:13.5px;font-weight:800;color:#fff;letter-spacing:.06em;margin-bottom:14px}
.footer-col li + li{margin-top:9px}
.footer-col a{font-size:13.6px;transition:color .18s}
.footer-col a:hover{color:#8fb8ff}
.footer-bottom{padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.8px;color:#7e8db0}

/* ============ 底部固定转化条 ============ */
.bottom-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(255,255,255,.94);backdrop-filter:blur(16px);
  border-top:1px solid var(--c-line);padding:14px 0;
  box-shadow:0 -14px 40px -26px rgba(16,38,84,.45);
}
.bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.bottom-inner h4{font-size:15.5px;font-weight:800;margin-bottom:4px}
.bottom-inner p{font-size:13.4px;color:var(--c-ink-2)}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .header-inner{gap:16px}
  .nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;padding:14px 20px 22px;border-bottom:1px solid var(--c-line);
    box-shadow:var(--shadow-2);display:none;margin-left:0}
  .nav.is-open{display:flex}
  .nav-link{padding:12px 14px;font-size:15px}
  .nav-mega{display:none}
  .menu-toggle{display:inline-flex}
  .header-actions .btn-ghost{display:none}
  .stat-row{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .guard-row{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .container{padding:0 18px}
  .hero{padding:56px 0 50px}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-stat:nth-child(2){border-right:none}
  .hero-stat:nth-child(1),.hero-stat:nth-child(2){border-bottom:1px solid var(--c-line)}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .line-item{grid-template-columns:1fr;gap:10px;padding:22px}
  .log-item{grid-template-columns:1fr;gap:6px}
  .botto-inner{justify-content:center}
  .bottom-inner{justify-content:center;text-align:center}
}
@media (max-width:520px){
  .grid-4{grid-template-columns:1fr}
  .guard-row{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr}
  .hero-stat{border-right:none;border-bottom:1px solid var(--c-line)}
  .hero-stat:last-child{border-bottom:none}
  .hero-actions .btn{width:100%}
  .rank-item{padding:15px 18px;gap:12px}
  .footer-grid{grid-template-columns:1fr}
  .brand-text{font-size:16.5px}
  .stat-row{grid-template-columns:1fr}
}

/* roulang page: category1 */
:root{
 --c-bg:#f5f8ff;
 --c-bg-2:#eef3fe;
 --c-surface:#ffffff;
 --c-ink:#0d1a33;
 --c-ink-2:#4a5a75;
 --c-ink-3:#8794aa;
 --c-line:#e3eaf6;
 --c-line-2:#d3deef;
 --c-brand:#1f5fe0;
 --c-brand-2:#3f83ff;
 --c-brand-soft:#eaf1ff;
 --c-brand-deep:#123a8f;
 --c-accent:#f59e0b;
 --c-accent-soft:#fff5e2;
 --c-dark:#0b1730;
 --radius-s:10px;
 --radius-m:16px;
 --radius-l:24px;
 --shadow-1:0 1px 2px rgba(16,38,84,.05), 0 10px 28px -18px rgba(16,38,84,.28);
 --shadow-2:0 26px 60px -34px rgba(16,38,84,.42);
 --shadow-3:0 20px 46px -22px rgba(31,95,224,.55);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 background:var(--c-bg);
 color:var(--c-ink);
 line-height:1.75;
 font-size:16px;
 padding-bottom:96px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em}
p{margin:0}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(63,131,255,.55);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:76px 0}
.section--alt{background:var(--c-bg-2)}
.section--dark{background:var(--c-dark);color:#e8eefc}
.section--dark .sec-title{color:#fff}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--c-brand);background:var(--c-brand-soft);padding:7px 15px;border-radius:999px}
.eyebrow--dark{color:#9fc0ff;background:rgba(63,131,255,.16)}
.sec-title{font-size:clamp(23px,3vw,33px);line-height:1.32;margin:16px 0 12px}
.sec-desc{color:var(--c-ink-2);font-size:15.5px;max-width:720px}
.section--dark .sec-desc{color:#a7b6d6}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}

/* ============ Header ============ */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(255,255,255,.88);
 backdrop-filter:saturate(180%) blur(18px);
 border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;gap:26px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--c-brand),#57a0ff);
 color:#fff;font-size:16px;box-shadow:var(--shadow-3);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
 position:relative;display:inline-flex;align-items:center;gap:6px;
 padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--c-ink-2);
 transition:color .18s ease, background .18s ease;
}
.nav-link:hover{color:var(--c-brand);background:var(--c-brand-soft)}
.nav-link.is-active{color:var(--c-brand);background:var(--c-brand-soft)}
.nav-mega{position:relative}
.nav-mega-trigger i{font-size:11px;transition:transform .2s ease}
.nav-mega:hover .nav-mega-trigger i,.nav-mega:focus-within .nav-mega-trigger i{transform:rotate(180deg)}
.mega-panel{
 position:absolute;top:calc(100% + 14px);right:-10px;width:640px;
 background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-l);
 box-shadow:var(--shadow-2);padding:24px;
 display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:22px;
 opacity:0;visibility:hidden;transform:translateY(10px);
 transition:opacity .2s ease, transform .2s ease, visibility .2s;
}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--c-ink-3);margin-bottom:12px}
.mega-list li + li{margin-top:6px}
.mega-list a{display:block;padding:8px 10px;border-radius:10px;font-size:14px;color:var(--c-ink-2);font-weight:600;transition:.18s}
.mega-list a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.mega-card{background:linear-gradient(150deg,#12307a,#1f5fe0);border-radius:var(--radius-m);padding:18px;color:#fff}
.mega-card h4{font-size:15px;font-weight:800;margin-bottom:8px}
.mega-card p{font-size:12.5px;color:#c9dcff;line-height:1.6}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.menu-toggle{
 display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
 background:#fff;color:var(--c-ink);align-items:center;justify-content:center;
}
.mobile-drawer{display:none;border-top:1px solid var(--c-line);background:#fff;padding:14px 24px 20px}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{display:block;padding:11px 12px;border-radius:12px;font-weight:600;color:var(--c-ink-2)}
.mobile-drawer a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.mobile-drawer a.is-active{background:var(--c-brand-soft);color:var(--c-brand)}

/* ============ Buttons ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 26px;border-radius:13px;font-size:15px;font-weight:700;
 transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
 white-space:nowrap;
}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:11px}
.btn-primary{background:linear-gradient(135deg,var(--c-brand),var(--c-brand-2));color:#fff;box-shadow:var(--shadow-3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 44px -18px rgba(31,95,224,.72)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--c-ink);border:1px solid var(--c-line-2)}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px)}
.btn-link{color:var(--c-brand);font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:7px;padding:4px 0}
.btn-link:hover{gap:11px}

/* ============ Hero ============ */
.hero{
 position:relative;overflow:hidden;padding:64px 0 70px;
 background:
  radial-gradient(680px 340px at 10% -8%, rgba(87,160,255,.26), transparent 62%),
  radial-gradient(560px 320px at 88% 6%, rgba(31,95,224,.18), transparent 60%),
  linear-gradient(180deg,#fbfdff 0%, var(--c-bg) 100%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;position:relative;z-index:2}
.hero h1{font-size:clamp(27px,3.6vw,43px);line-height:1.24;margin:20px 0 16px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#1f5fe0,#57a0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-pain{font-size:16.5px;font-weight:700;color:var(--c-brand-deep);margin-bottom:12px}
.hero-copy{color:var(--c-ink-2);font-size:15.5px;max-width:560px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap;margin-top:36px;padding-top:26px;border-top:1px dashed var(--c-line-2)}
.hero-stats .num{font-size:24px;font-weight:900;color:var(--c-brand);line-height:1.2}
.hero-stats .lbl{font-size:13px;color:var(--c-ink-3);font-weight:600}

/* 演示面板 */
.demo-panel{
 background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-l);
 box-shadow:var(--shadow-2);padding:26px;
}
.demo-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--c-line)}
.demo-head h3{font-size:16px}
.live-dot{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;color:#15803d;background:#e9f9ef;padding:5px 12px;border-radius:999px}
.live-dot span{width:7px;height:7px;border-radius:50%;background:#22c55e;animation:blink 1.6s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.demo-row{display:flex;align-items:center;gap:14px;padding:15px 0;border-bottom:1px dashed var(--c-line)}
.demo-row:last-child{border-bottom:none}
.demo-time{font-size:13px;font-weight:800;color:var(--c-brand);width:52px;flex-shrink:0}
.demo-body{flex:1;min-width:0}
.demo-body strong{display:block;font-size:14.5px;font-weight:700}
.demo-body em{font-style:normal;font-size:12.5px;color:var(--c-ink-3)}
.demo-bar{height:6px;border-radius:999px;background:var(--c-bg-2);overflow:hidden;margin-top:7px}
.demo-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#1f5fe0,#57a0ff)}
.demo-count{font-size:13px;font-weight:800;color:var(--c-ink-2);flex-shrink:0}

/* ============ 通用卡片 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{
 background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-m);
 padding:26px;box-shadow:var(--shadow-1);
 transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--c-line-2)}
.card-icon{
 width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
 background:var(--c-brand-soft);color:var(--c-brand);font-size:18px;margin-bottom:16px;
}
.card h3{font-size:17px;margin-bottom:10px}
.card p{color:var(--c-ink-2);font-size:14.5px}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px;background:var(--c-brand-soft);color:var(--c-brand)}
.tag--accent{background:var(--c-accent-soft);color:#b45309}
.tag--dark{background:rgba(255,255,255,.12);color:#cfe0ff}

/* ============ 场景 / 时段 ============ */
.scene{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.scene-top{padding:22px 24px;background:linear-gradient(135deg,#12307a,#1f5fe0);color:#fff}
.scene-top .t{font-size:12.5px;font-weight:700;letter-spacing:.1em;opacity:.8}
.scene-top h3{font-size:18px;margin-top:8px;color:#fff}
.scene-body{padding:22px 24px}
.scene-body li{display:flex;gap:10px;align-items:flex-start;color:var(--c-ink-2);font-size:14.5px;padding:7px 0}
.scene-body li i{color:var(--c-brand);margin-top:6px;font-size:12px}

/* ============ 上新列表 ============ */
.feed-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feed-card{
 display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
 border-radius:var(--radius-m);padding:22px;box-shadow:var(--shadow-1);
 transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.feed-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#c8daff}
.feed-card h3{font-size:16.5px;line-height:1.45;margin:12px 0 9px}
.feed-card p{font-size:14px;color:var(--c-ink-2);flex:1}
.feed-meta{display:flex;align-items:center;gap:14px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--c-line);font-size:12.5px;color:var(--c-ink-3);font-weight:600}
.feed-meta i{color:var(--c-brand);margin-right:5px}

/* ============ 榜单 ============ */
.rank-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-l);box-shadow:var(--shadow-1);overflow:hidden}
.rank-item{display:flex;align-items:center;gap:16px;padding:16px 22px;border-bottom:1px solid var(--c-line);transition:background .18s ease}
.rank-item:last-child{border-bottom:none}
.rank-item:hover{background:var(--c-bg-2)}
.rank-no{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:13px;font-weight:900;background:var(--c-bg-2);color:var(--c-ink-2);flex-shrink:0}
.rank-item:nth-child(1) .rank-no{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#fff}
.rank-item:nth-child(2) .rank-no{background:linear-gradient(135deg,#1f5fe0,#57a0ff);color:#fff}
.rank-item:nth-child(3) .rank-no{background:linear-gradient(135deg,#0f766e,#2dd4bf);color:#fff}
.rank-body{flex:1;min-width:0}
.rank-body strong{display:block;font-size:15px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-body em{font-style:normal;font-size:12.5px;color:var(--c-ink-3)}
.rank-heat{font-size:13.5px;font-weight:800;color:var(--c-accent);flex-shrink:0}

/* 口碑 */
.quote-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);padding:22px;box-shadow:var(--shadow-1);height:100%}
.quote-card p{font-size:14.5px;color:var(--c-ink-2)}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--c-line)}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;font-size:13px;background:linear-gradient(135deg,#1f5fe0,#57a0ff);flex-shrink:0}
.quote-who span{font-size:13px;color:var(--c-ink-3);font-weight:600}

/* ============ 对比 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-l);padding:28px;box-shadow:var(--shadow-1)}
.compare-col.is-good{border-color:#bcd4ff;box-shadow:var(--shadow-3)}
.compare-col h3{font-size:17px;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.compare-col ul li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--c-ink-2);padding:8px 0}
.compare-col ul li i{margin-top:6px;font-size:12px}
.compare-col.is-bad ul li i{color:#b8c2d2}
.compare-col.is-good ul li i{color:#1f5fe0}

/* ============ 日志 ============ */
.log-item{display:flex;gap:22px;padding:20px 0;border-bottom:1px dashed var(--c-line-2)}
.log-item:last-child{border-bottom:none}
.log-date{width:112px;flex-shrink:0;font-size:13px;font-weight:800;color:var(--c-brand)}
.log-body strong{display:block;font-size:15.5px;margin-bottom:6px}
.log-body p{font-size:14.5px;color:var(--c-ink-2)}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);margin-bottom:14px;box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .2s ease}
.faq-item[open]{border-color:#c8daff}
.faq-item summary{
 list-style:none;cursor:pointer;padding:19px 24px;font-size:15.5px;font-weight:700;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--c-brand);font-size:13px;transition:transform .22s ease;flex-shrink:0}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-body{padding:0 24px 20px;color:var(--c-ink-2);font-size:14.5px}

/* ============ 保障条 / CTA ============ */
.guarantee{background:linear-gradient(135deg,#12307a,#1f5fe0 60%,#3f83ff);border-radius:var(--radius-l);padding:44px;color:#fff;display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;box-shadow:var(--shadow-2)}
.guarantee h2{font-size:clamp(22px,2.6vw,30px);color:#fff;line-height:1.34;margin-bottom:14px}
.guarantee p{color:#cedfff;font-size:15px}
.guarantee-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.guarantee-list div{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-s);padding:12px 14px;font-size:13.5px;font-weight:600;display:flex;align-items:center;gap:9px}
.guarantee-list i{color:#ffd98f}

/* ============ 底部固定条 ============ */
.sticky-bar{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:rgba(11,23,48,.95);backdrop-filter:blur(12px);
 border-top:1px solid rgba(255,255,255,.1);
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 24px;max-width:var(--container);margin:0 auto}
.sticky-inner p{color:#c3d3f0;font-size:14px;font-weight:600}
.sticky-inner strong{color:#fff}

/* ============ Footer ============ */
.site-footer{background:var(--c-dark);color:#94a5c4;padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-about{font-size:14px;line-height:1.85;color:#8d9dbb;max-width:380px}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:16px;font-weight:800}
.footer-col ul li + li{margin-top:9px}
.footer-col a{font-size:14px;color:#94a5c4;transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:#7286a8;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .nav{display:none}
 .menu-toggle{display:inline-flex}
 .header-inner{height:66px;gap:16px}
 .hero-grid{grid-template-columns:1fr;gap:38px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .feed-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .guarantee{grid-template-columns:1fr;padding:34px}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .container{padding:0 18px}
 .grid-3,.grid-2,.compare{grid-template-columns:1fr}
 .header-actions .btn{display:none}
 .sec-head{margin-bottom:26px}
 .hero{padding:44px 0 52px}
 .hero-stats{gap:24px}
 .rank-body strong{white-space:normal}
 .log-item{flex-direction:column;gap:6px}
 .log-date{width:auto}
 .footer-grid{grid-template-columns:1fr}
 .sticky-inner{padding:12px 18px;flex-direction:column;align-items:stretch;text-align:center;gap:10px}
 .sticky-inner .btn{width:100%}
}
@media (max-width:520px){
 .feed-grid{grid-template-columns:1fr}
 .grid-4{grid-template-columns:1fr}
 .guarantee{padding:26px}
 .guarantee-list{grid-template-columns:1fr}
 .brand-text{font-size:16px}
 .demo-panel{padding:18px}
 .demo-time{width:44px;font-size:12px}
}

/* roulang page: category3 */
:root{
 --c-bg:#f5f8ff;
 --c-bg-2:#eef3fe;
 --c-surface:#ffffff;
 --c-ink:#0d1a33;
 --c-ink-2:#4a5a75;
 --c-ink-3:#8794aa;
 --c-line:#e3eaf6;
 --c-line-2:#d3deef;
 --c-brand:#1f5fe0;
 --c-brand-2:#3f83ff;
 --c-brand-soft:#eaf1ff;
 --c-brand-deep:#123a8f;
 --c-accent:#f59e0b;
 --c-accent-soft:#fff5e2;
 --c-dark:#0b1730;
 --radius-s:10px;
 --radius-m:16px;
 --radius-l:24px;
 --shadow-1:0 1px 2px rgba(16,38,84,.05), 0 10px 28px -18px rgba(16,38,84,.28);
 --shadow-2:0 26px 60px -34px rgba(16,38,84,.42);
 --shadow-3:0 20px 46px -22px rgba(31,95,224,.55);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 background:var(--c-bg);
 color:var(--c-ink);
 line-height:1.75;
 font-size:16px;
 padding-bottom:92px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.015em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid rgba(63,131,255,.55);outline-offset:2px;border-radius:8px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:76px 0}
.section--tight{padding:56px 0}
.section--alt{background:var(--c-bg-2)}
.section--dark{background:var(--c-dark);color:#e8eefc}
.section--dark .sec-desc{color:#a7b6d6}
.section--dark .eyebrow{color:#9fc0ff;background:rgba(63,131,255,.16)}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--c-brand);background:var(--c-brand-soft);padding:7px 15px;border-radius:999px}
.sec-head{max-width:760px}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;max-width:none;flex-wrap:wrap}
.sec-title{font-size:clamp(23px,3vw,33px);line-height:1.32;margin:16px 0 12px}
.sec-desc{color:var(--c-ink-2);font-size:15.5px;line-height:1.85}

/* ============ Header ============ */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(255,255,255,.9);
 backdrop-filter:saturate(180%) blur(18px);
 border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;gap:26px;height:72px;position:relative}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--c-brand),#57a0ff);
 color:#fff;font-size:16px;box-shadow:var(--shadow-3);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink)}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
 position:relative;display:inline-flex;align-items:center;gap:6px;
 padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--c-ink-2);
 transition:color .18s ease, background .18s ease;
}
.nav-link:hover{color:var(--c-brand);background:var(--c-brand-soft)}
.nav-link.is-active{color:var(--c-brand);background:var(--c-brand-soft)}
.nav-mega{position:relative}
.nav-mega-trigger i{font-size:11px;transition:transform .2s ease}
.nav-mega:hover .nav-mega-trigger i,.nav-mega.is-open .nav-mega-trigger i{transform:rotate(180deg)}
.mega-panel{
 position:absolute;top:calc(100% + 14px);right:-10px;width:640px;
 background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-l);
 box-shadow:var(--shadow-2);padding:24px;
 display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:22px;
 opacity:0;visibility:hidden;transform:translateY(10px);
 transition:opacity .2s ease, transform .2s ease, visibility .2s;
}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel,.nav-mega.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--c-ink-3);margin-bottom:12px;text-transform:uppercase}
.mega-list li + li{margin-top:6px}
.mega-list a{display:block;padding:8px 10px;border-radius:10px;font-size:14px;color:var(--c-ink-2);font-weight:600;transition:.18s}
.mega-list a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.mega-card{background:linear-gradient(150deg,#12307a,#1f5fe0);border-radius:var(--radius-m);padding:18px;color:#fff}
.mega-card h4{font-size:15px;margin-bottom:8px}
.mega-card p{font-size:12.5px;color:#c9dcff;line-height:1.65}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.menu-toggle{
 display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
 background:#fff;color:var(--c-ink);align-items:center;justify-content:center;font-size:16px;
}

/* ============ Buttons ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 26px;border-radius:13px;font-size:15px;font-weight:700;
 transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
 white-space:nowrap;border:1px solid transparent;
}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:11px}
.btn-primary{background:linear-gradient(135deg,var(--c-brand),var(--c-brand-2));color:#fff;box-shadow:var(--shadow-3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 44px -18px rgba(31,95,224,.72)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--c-ink);border:1px solid var(--c-line-2)}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.24)}
.btn-light:hover{background:rgba(255,255,255,.2)}
.btn-link{color:var(--c-brand);font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:7px;padding:4px 0;transition:gap .2s ease}
.btn-link:hover{gap:11px}

/* ============ Hero ============ */
.hero{
 position:relative;overflow:hidden;padding:78px 0 72px;
 background:
 radial-gradient(680px 340px at 12% -6%, rgba(87,160,255,.28), transparent 62%),
 radial-gradient(560px 320px at 88% 4%, rgba(31,95,224,.20), transparent 60%),
 radial-gradient(760px 420px at 50% 118%, rgba(255,209,128,.26), transparent 64%),
 linear-gradient(180deg,#fbfdff 0%, var(--c-bg) 100%);
}
.hero-blob{position:absolute;border-radius:50%;filter:blur(64px);opacity:.5;pointer-events:none}
.hero-blob.b1{width:300px;height:300px;background:#9fc4ff;top:-90px;left:-60px}
.hero-blob.b2{width:260px;height:260px;background:#ffd98f;bottom:-120px;right:4%}
.hero-blob.b3{width:220px;height:220px;background:#c6dcff;top:40%;right:38%}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.hero h1{font-size:clamp(27px,3.6vw,42px);line-height:1.24;margin:20px 0 16px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#1f5fe0,#57a0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:clamp(16px,1.6vw,18.5px);font-weight:700;color:var(--c-brand-deep);margin-bottom:14px}
.hero-copy{color:var(--c-ink-2);font-size:15.5px;line-height:1.9;max-width:560px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 30px}
.hero-points li{
 display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--c-ink-2);
 background:rgba(255,255,255,.78);border:1px solid var(--c-line);border-radius:999px;padding:8px 14px;
 box-shadow:var(--shadow-1);
}
.hero-points i{color:var(--c-brand);font-size:12px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

.hero-panel{
 background:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.9);
 border-radius:var(--radius-l);padding:26px;box-shadow:var(--shadow-2);
 backdrop-filter:blur(10px);
}
.panel-head{display:flex;align-items:center;gap:10px;margin-bottom:20px}
.panel-head h2{font-size:16.5px}
.panel-dot{width:9px;height:9px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 5px rgba(34,197,94,.16)}
.meter-list li + li{margin-top:16px}
.meter-top{display:flex;align-items:baseline;justify-content:space-between;font-size:13.5px;font-weight:600;color:var(--c-ink-2);margin-bottom:7px}
.meter-top b{color:var(--c-brand);font-size:14px}
.meter{display:block;height:8px;border-radius:999px;background:var(--c-bg-2);overflow:hidden}
.meter i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--c-brand),var(--c-brand-2))}
.meter--warm i{background:linear-gradient(90deg,#f59e0b,#fbbf24)}
.panel-foot{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px;padding-top:20px;border-top:1px solid var(--c-line)}
.panel-foot div{text-align:center}
.panel-foot strong{display:block;font-size:19px;color:var(--c-brand);letter-spacing:-.02em}
.panel-foot span{font-size:12px;color:var(--c-ink-3)}

/* ============ Stats ============ */
.stat-band{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--c-line)}
.stat-card{background:var(--c-surface);padding:32px 26px}
.stat-card strong{display:block;font-size:clamp(24px,3vw,32px);color:var(--c-brand);letter-spacing:-.03em;line-height:1.2}
.stat-card span{display:block;font-size:14px;font-weight:700;margin-top:6px}
.stat-card p{font-size:13px;color:var(--c-ink-3);margin-top:6px;line-height:1.7}

/* ============ Shift layout ============ */
.shift-layout{display:grid;grid-template-columns:250px 1fr;gap:40px;align-items:start}
.side-nav{
 position:sticky;top:96px;background:var(--c-surface);border:1px solid var(--c-line);
 border-radius:var(--radius-l);padding:22px;box-shadow:var(--shadow-1);
}
.side-nav h3{font-size:13px;letter-spacing:.12em;color:var(--c-ink-3);margin-bottom:14px;text-transform:uppercase}
.side-nav a{
 display:flex;align-items:center;justify-content:space-between;gap:10px;
 padding:10px 12px;border-radius:var(--radius-s);font-size:14.5px;font-weight:600;color:var(--c-ink-2);
 transition:.18s;
}
.side-nav a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.side-nav a i{font-size:11px;opacity:.6}
.side-note{margin-top:18px;padding:14px;border-radius:var(--radius-m);background:var(--c-brand-soft);font-size:13px;color:var(--c-brand-deep);line-height:1.7}

.shift-grid{display:grid;gap:20px}
.shift-card{
 display:grid;grid-template-columns:64px 1fr;gap:20px;
 background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);
 padding:26px;box-shadow:var(--shadow-1);transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.shift-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--c-line-2)}
.shift-clock{
 width:64px;height:64px;border-radius:20px;display:grid;place-items:center;
 background:linear-gradient(140deg,var(--c-brand-soft),#dfeaff);color:var(--c-brand-deep);
 font-size:15px;font-weight:800;letter-spacing:-.02em;line-height:1;
 text-align:center;
}
.shift-card h3{font-size:18.5px;margin-bottom:8px}
.shift-card p{color:var(--c-ink-2);font-size:14.5px;line-height:1.85}
.shift-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{
 display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
 font-size:12.5px;font-weight:700;background:var(--c-bg-2);color:var(--c-ink-2);border:1px solid var(--c-line);
}
.chip--brand{background:var(--c-brand-soft);color:var(--c-brand);border-color:#d6e3ff}
.chip--warm{background:var(--c-accent-soft);color:#b45309;border-color:#fde7bf}

/* ============ Rank list ============ */
.rank-wrap{display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:start}
.rank-list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-1)}
.rank-item{
 display:flex;align-items:center;gap:18px;padding:18px 22px;
 border-bottom:1px solid var(--c-line);transition:background .18s ease;
}
.rank-item:last-child{border-bottom:none}
.rank-item:hover{background:var(--c-brand-soft)}
.rank-no{
 width:34px;height:34px;flex-shrink:0;border-radius:11px;display:grid;place-items:center;
 font-size:14px;font-weight:800;background:var(--c-bg-2);color:var(--c-ink-2);
}
.rank-item:nth-child(1) .rank-no{background:linear-gradient(135deg,#1f5fe0,#57a0ff);color:#fff}
.rank-item:nth-child(2) .rank-no{background:linear-gradient(135deg,#3f83ff,#8ab6ff);color:#fff}
.rank-item:nth-child(3) .rank-no{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#fff}
.rank-main{flex:1;min-width:0}
.rank-main h4{font-size:15.5px;margin-bottom:4px}
.rank-main p{font-size:13px;color:var(--c-ink-3)}
.rank-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.rank-heat{text-align:right;flex-shrink:0}
.rank-heat strong{display:block;font-size:17px;color:var(--c-brand);letter-spacing:-.02em}
.rank-heat span{font-size:11.5px;color:var(--c-ink-3)}
.rank-aside{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);padding:24px;box-shadow:var(--shadow-1)}
.rank-aside h3{font-size:16px;margin-bottom:12px}
.rank-aside p{font-size:13.5px;color:var(--c-ink-2);line-height:1.85}
.rank-aside ul{margin-top:16px}
.rank-aside li{display:flex;gap:10px;font-size:13.5px;color:var(--c-ink-2);padding:9px 0;border-top:1px dashed var(--c-line)}
.rank-aside li i{color:var(--c-brand);margin-top:5px;font-size:11px}

/* ============ Featured ============ */
.feature-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:20px}
.feature-card{
 background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);
 padding:26px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
 transition:transform .22s ease, box-shadow .22s ease;
}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2)}
.feature-card--hero{
 grid-row:span 2;background:linear-gradient(160deg,#12307a 0%,#1f5fe0 100%);
 color:#fff;border-color:transparent;justify-content:space-between;
}
.feature-card--hero .chip{background:rgba(255,255,255,.16);color:#dbe8ff;border-color:rgba(255,255,255,.2)}
.feature-card--hero h3{font-size:22px;line-height:1.35;margin:16px 0 12px}
.feature-card--hero p{font-size:14px;color:#c9dcff;line-height:1.85}
.feature-card h3{font-size:17px;margin:14px 0 8px;line-height:1.45}
.feature-card p{font-size:13.5px;color:var(--c-ink-2);line-height:1.85;flex:1}
.feature-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line)}
.feature-card--hero .feature-foot{border-top-color:rgba(255,255,255,.2)}
.feature-foot span{font-size:12.5px;color:var(--c-ink-3)}
.feature-card--hero .feature-foot span{color:#a9c4ef}

/* ============ Tag cloud ============ */
.tag-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag{
 display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:999px;
 background:var(--c-surface);border:1px solid var(--c-line);font-size:13.5px;font-weight:600;color:var(--c-ink-2);
 box-shadow:var(--shadow-1);transition:.18s ease;
}
.tag:hover{color:var(--c-brand);border-color:#c8daff;transform:translateY(-2px)}
.tag--lg{font-size:15px;padding:12px 20px}
.tag b{font-size:11.5px;color:var(--c-ink-3);font-weight:700}

/* ============ Rules table ============ */
.table-wrap{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-1)}
.table-wrap table{font-size:14px}
.table-wrap th{
 text-align:left;padding:16px 22px;background:var(--c-bg-2);color:var(--c-ink-2);
 font-size:13px;font-weight:800;letter-spacing:.04em;border-bottom:1px solid var(--c-line);
}
.table-wrap td{padding:16px 22px;border-bottom:1px solid var(--c-line);color:var(--c-ink-2);vertical-align:top}
.table-wrap tr:last-child td{border-bottom:none}
.table-wrap tr:hover td{background:#fafcff}
.table-wrap td b{color:var(--c-ink)}
.level-pill{display:inline-flex;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:800}
.level-l1{background:#e8f7ee;color:#15803d}
.level-l2{background:var(--c-brand-soft);color:var(--c-brand)}
.level-l3{background:var(--c-accent-soft);color:#b45309}

/* ============ Archive timeline ============ */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,rgba(63,131,255,.6),rgba(63,131,255,0))}
.timeline li{position:relative;padding:0 0 24px 0}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-25px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--c-brand-2);box-shadow:0 0 0 5px rgba(63,131,255,.16)}
.timeline time{display:block;font-size:12.5px;font-weight:800;color:#9fc0ff;letter-spacing:.06em;margin-bottom:4px}
.timeline h4{font-size:15.5px;color:#fff;margin-bottom:5px}
.timeline p{font-size:13.5px;color:#a7b6d6;line-height:1.8}
.archive-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
 background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-m);
 padding:0 24px;box-shadow:var(--shadow-1);transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-item[open]{border-color:#c8daff;box-shadow:var(--shadow-2)}
.faq-item summary{
 list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
 padding:20px 0;font-size:16px;font-weight:700;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--c-brand);font-size:13px;transition:transform .22s ease;flex-shrink:0}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-item p{padding:0 0 22px;font-size:14.5px;color:var(--c-ink-2);line-height:1.9;max-width:760px}

/* ============ CTA band ============ */
.cta-band{
 background:linear-gradient(135deg,#12307a 0%,#1f5fe0 62%,#3f83ff 100%);
 border-radius:var(--radius-l);padding:52px;color:#fff;position:relative;overflow:hidden;
 box-shadow:var(--shadow-2);
}
.cta-band::after{
 content:"";position:absolute;width:340px;height:340px;border-radius:50%;
 background:rgba(255,255,255,.1);top:-140px;right:-90px;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:14px}
.cta-band p{color:#cfdfff;font-size:15px;line-height:1.9;max-width:620px}
.cta-actions{display:flex;flex-direction:column;gap:12px}

/* ============ Sticky bar ============ */
.sticky-bar{
 position:fixed;left:0;right:0;bottom:0;z-index:90;
 background:rgba(11,23,48,.94);backdrop-filter:blur(14px);
 border-top:1px solid rgba(255,255,255,.1);color:#e8eefc;
}
.sticky-inner{display:flex;align-items:center;gap:22px;min-height:76px;flex-wrap:wrap}
.sticky-inner strong{font-size:15px}
.sticky-inner p{font-size:13px;color:#a7b6d6;line-height:1.6}
.sticky-inner .btn{margin-left:auto}

/* ============ Footer ============ */
.site-footer{background:var(--c-dark);color:#c7d3ea;padding:64px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-text{font-size:17px}
.footer-about{font-size:13.5px;line-height:1.9;color:#93a4c2;max-width:340px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px}
.footer-col li + li{margin-top:9px}
.footer-col a{font-size:13.5px;color:#93a4c2;transition:color .18s ease}
.footer-col a:hover{color:#7fb0ff}
.footer-bottom{
 display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
 margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.09);
 font-size:12.5px;color:#7f90ae;
}

/* ============ Responsive ============ */
@media (max-width:1024px){
 .menu-toggle{display:inline-flex}
 .nav{
  position:absolute;top:72px;left:0;right:0;margin-left:0;
  flex-direction:column;align-items:stretch;gap:2px;display:none;
  background:#fff;border-bottom:1px solid var(--c-line);box-shadow:var(--shadow-2);
  padding:14px 20px 22px;
 }
 .nav.is-open{display:flex}
 .nav-link{justify-content:flex-start;padding:12px 14px}
 .nav-mega-trigger{width:100%;justify-content:space-between}
 .mega-panel{
  position:static;width:100%;opacity:1;visibility:visible;transform:none;
  box-shadow:none;border:none;border-radius:0;padding:10px 0 6px;
  grid-template-columns:1fr;gap:16px;display:none;
 }
 .nav-mega.is-open .mega-panel{display:grid}
 .hero-inner{grid-template-columns:1fr;gap:36px}
 .hero-copy{max-width:none}
 .shift-layout{grid-template-columns:1fr;gap:26px}
 .side-nav{position:static}
 .rank-wrap{grid-template-columns:1fr}
 .feature-grid{grid-template-columns:1fr 1fr}
 .feature-card--hero{grid-column:span 2;grid-row:auto}
 .tag-layout{grid-template-columns:1fr;gap:28px}
 .archive-grid{grid-template-columns:1fr;gap:30px}
 .cta-inner{grid-template-columns:1fr;gap:26px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .hero{padding:58px 0 52px}
 .stat-grid{grid-template-columns:1fr 1fr}
 .stat-card{padding:24px 20px}
 .feature-grid{grid-template-columns:1fr}
 .feature-card--hero{grid-column:auto}
 .shift-card{grid-template-columns:1fr;gap:14px}
 .cta-band{padding:34px 26px}
 .sticky-inner .btn{margin-left:0;width:100%}
 .footer-about{max-width:none}
}
@media (max-width:520px){
 .container{padding:0 18px}
 .header-inner{gap:14px;height:66px}
 .brand-text{font-size:16px}
 .stat-grid{grid-template-columns:1fr}
 .table-wrap{overflow-x:auto}
 .table-wrap table{min-width:560px}
 .rank-item{flex-wrap:wrap;gap:12px}
 .rank-heat{text-align:left}
 .footer-grid{grid-template-columns:1fr}
 .panel-foot{grid-template-columns:1fr 1fr 1fr;gap:8px}
 .btn{width:100%}
 .hero-actions .btn{width:100%}
 .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
 --c-bg:#f5f8ff;
 --c-bg-2:#eef3fe;
 --c-surface:#ffffff;
 --c-ink:#0d1a33;
 --c-ink-2:#4a5a75;
 --c-ink-3:#8794aa;
 --c-line:#e3eaf6;
 --c-line-2:#d3deef;
 --c-brand:#1f5fe0;
 --c-brand-2:#3f83ff;
 --c-brand-soft:#eaf1ff;
 --c-brand-deep:#123a8f;
 --c-accent:#f59e0b;
 --c-accent-soft:#fff5e2;
 --c-dark:#0b1730;
 --radius-s:10px;
 --radius-m:16px;
 --radius-l:24px;
 --shadow-1:0 1px 2px rgba(16,38,84,.05), 0 10px 28px -18px rgba(16,38,84,.28);
 --shadow-2:0 26px 60px -34px rgba(16,38,84,.42);
 --shadow-3:0 20px 46px -22px rgba(31,95,224,.55);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 background:var(--c-bg);
 color:var(--c-ink);
 line-height:1.75;
 font-size:16px;
 padding-bottom:118px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(31,95,224,.42);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:76px 0}
.section--tight{padding:52px 0}
.section--alt{background:var(--c-bg-2)}
.section--dark{background:var(--c-dark);color:#e8eefc}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--c-brand);background:var(--c-brand-soft);padding:7px 15px;border-radius:999px}
.eyebrow--dark{color:#9fc0ff;background:rgba(63,131,255,.16)}
.sec-head{margin-bottom:38px;max-width:740px}
.sec-head--center{margin:0 auto 44px;text-align:center}
.sec-title{font-size:clamp(23px,3vw,33px);line-height:1.32;font-weight:800;letter-spacing:-.015em;margin:16px 0 12px}
.sec-desc{color:var(--c-ink-2);font-size:15.5px}
.section--dark .sec-desc{color:#a7b6d6}
/* ============ Header ============ */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(255,255,255,.9);
 backdrop-filter:saturate(180%) blur(18px);
 border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;gap:26px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--c-brand),#57a0ff);
 color:#fff;font-size:16px;box-shadow:var(--shadow-3);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
 position:relative;display:inline-flex;align-items:center;gap:6px;
 padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--c-ink-2);
 transition:color .18s ease, background .18s ease;
}
.nav-link:hover{color:var(--c-brand);background:var(--c-brand-soft)}
.nav-link.is-active{color:var(--c-brand);background:var(--c-brand-soft)}
.nav-mega{position:relative}
.nav-mega-trigger i{font-size:11px;transition:transform .2s ease}
.nav-mega:hover .nav-mega-trigger i{transform:rotate(180deg)}
.mega-panel{
 position:absolute;top:calc(100% + 14px);right:-10px;width:640px;
 background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-l);
 box-shadow:var(--shadow-2);padding:24px;
 display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:22px;
 opacity:0;visibility:hidden;transform:translateY(10px);
 transition:opacity .2s ease, transform .2s ease, visibility .2s;
}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--c-ink-3);margin-bottom:12px}
.mega-list li + li{margin-top:6px}
.mega-list a{display:block;padding:8px 10px;border-radius:10px;font-size:14px;color:var(--c-ink-2);font-weight:600;transition:.18s}
.mega-list a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.mega-card{background:linear-gradient(150deg,#12307a,#1f5fe0);border-radius:var(--radius-m);padding:18px;color:#fff}
.mega-card h4{font-size:15px;font-weight:800;margin-bottom:8px}
.mega-card p{font-size:12.5px;color:#c9dcff;line-height:1.6}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.menu-toggle{
 display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
 background:#fff;color:var(--c-ink);align-items:center;justify-content:center;margin-left:auto;
}
/* ============ Buttons ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 26px;border-radius:13px;font-size:15px;font-weight:700;
 transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
 white-space:nowrap;
}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:11px}
.btn-primary{background:linear-gradient(135deg,var(--c-brand),var(--c-brand-2));color:#fff;box-shadow:var(--shadow-3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 44px -18px rgba(31,95,224,.72)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--c-ink);border:1px solid var(--c-line-2)}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px)}
.btn-link{color:var(--c-brand);font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:7px;padding:4px 0}
.btn-link:hover{gap:11px}
/* ============ Page head ============ */
.page-head{
 position:relative;overflow:hidden;padding:62px 0 58px;
 background:
  radial-gradient(620px 320px at 6% -12%, rgba(87,160,255,.26), transparent 62%),
  radial-gradient(520px 300px at 94% 0%, rgba(31,95,224,.16), transparent 60%),
  radial-gradient(560px 320px at 50% 120%, rgba(255,209,128,.22), transparent 64%),
  linear-gradient(180deg,#fbfdff 0%, var(--c-bg) 100%);
 border-bottom:1px solid var(--c-line);
}
.page-head-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.85fr);gap:52px;align-items:center;position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--c-ink-3);margin-bottom:18px}
.breadcrumb a{font-weight:600;transition:color .18s}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb i{font-size:10px;opacity:.6}
.page-head h1{font-size:clamp(26px,3.5vw,42px);line-height:1.28;font-weight:900;letter-spacing:-.022em;margin:18px 0 16px}
.page-head h1 em{font-style:normal;background:linear-gradient(120deg,#1f5fe0,#57a0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-lead{font-size:16.5px;color:var(--c-ink-2);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.fact-chip{
 display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-brand-deep);
 background:#fff;border:1px solid var(--c-line);border-radius:999px;padding:7px 15px;box-shadow:var(--shadow-1);
}
.fact-chip i{color:var(--c-brand);font-size:12px}
/* ring card */
.ring-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-l);box-shadow:var(--shadow-2);padding:28px}
.ring-top{display:flex;align-items:center;gap:22px}
.ring{position:relative;width:112px;height:112px;flex-shrink:0}
.ring svg{transform:rotate(-90deg);display:block}
.ring-value{position:absolute;inset:0;display:grid;place-items:center;font-size:23px;font-weight:900;letter-spacing:-.02em;color:var(--c-brand-deep)}
.ring-copy h3{font-size:16px;font-weight:800;margin-bottom:6px}
.ring-copy p{font-size:13.5px;color:var(--c-ink-2);line-height:1.65}
.ring-list{margin-top:22px;border-top:1px dashed var(--c-line-2);padding-top:18px}
.ring-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--c-ink-2);padding:7px 0}
.ring-list li strong{color:var(--c-ink);font-weight:800}
.ring-list li span{display:inline-flex;align-items:center;gap:7px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--c-brand);flex-shrink:0}
.dot--amber{background:var(--c-accent)}
.dot--grey{background:#b9c6dc}
/* ============ Channel matrix ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.channel-card{
 position:relative;display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-l);
 padding:26px 24px;box-shadow:var(--shadow-1);
 transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:#c9daf8}
.channel-icon{
 width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
 background:var(--c-brand-soft);color:var(--c-brand);font-size:18px;margin-bottom:16px;
}
.channel-card--amber .channel-icon{background:var(--c-accent-soft);color:#c47b06}
.channel-card--dark .channel-icon{background:#e8eefc;color:var(--c-brand-deep)}
.channel-card h3{font-size:17.5px;font-weight:800;margin-bottom:8px}
.channel-card p{font-size:14px;color:var(--c-ink-2);line-height:1.7}
.channel-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;font-size:13px;color:var(--c-ink-3);font-weight:600}
.channel-foot i{color:var(--c-brand);transition:transform .2s}
.channel-card:hover .channel-foot i{transform:translateX(4px)}
/* ============ Toolbar / filters ============ */
.topic-toolbar{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-bottom:34px}
.topic-toolbar .sec-head{margin-bottom:0;max-width:560px}
.filter-chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{
 display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:999px;
 font-size:13.5px;font-weight:600;color:var(--c-ink-2);background:#fff;border:1px solid var(--c-line);
 transition:.18s;cursor:pointer;
}
.chip:hover{border-color:var(--c-brand);color:var(--c-brand)}
.chip.is-on{background:var(--c-brand);border-color:var(--c-brand);color:#fff;box-shadow:var(--shadow-3)}
/* ============ Topic cards ============ */
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.topic-card{
 background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-l);overflow:hidden;
 box-shadow:var(--shadow-1);display:flex;flex-direction:column;
 transition:transform .22s ease, box-shadow .22s ease;
}
.topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.topic-thumb{
 position:relative;height:132px;display:flex;align-items:flex-end;padding:18px;
 background:linear-gradient(135deg,var(--g1,#1f5fe0),var(--g2,#57a0ff));
 color:#fff;overflow:hidden;
}
.topic-thumb::after{
 content:"";position:absolute;right:-38px;top:-38px;width:150px;height:150px;border-radius:50%;
 background:rgba(255,255,255,.14);
}
.topic-thumb i{position:absolute;right:20px;bottom:16px;font-size:34px;opacity:.28}
.topic-badge{
 position:relative;z-index:1;display:inline-flex;align-items:center;gap:6px;
 background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.34);
 backdrop-filter:blur(6px);padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
}
.topic-body{padding:22px;display:flex;flex-direction:column;flex:1}
.topic-name{font-size:18px;font-weight:800;letter-spacing:-.01em;margin-bottom:9px}
.topic-desc{font-size:14px;color:var(--c-ink-2);line-height:1.72;flex:1}
.topic-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:18px;padding-top:15px;border-top:1px dashed var(--c-line-2);font-size:12.8px;color:var(--c-ink-3);font-weight:600}
.topic-meta li{display:inline-flex;align-items:center;gap:6px}
.topic-meta i{color:var(--c-brand);font-size:12px}
/* ============ Standard / steps ============ */
.standard-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:56px;align-items:start}
.check-list{margin-top:22px}
.check-list li{display:flex;gap:11px;font-size:14.6px;color:var(--c-ink-2);padding:8px 0;line-height:1.7}
.check-list i{color:#1a9e6a;font-size:13px;margin-top:6px}
.step-list{display:flex;flex-direction:column;gap:16px}
.step-item{
 display:flex;gap:20px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);
 padding:22px 24px;box-shadow:var(--shadow-1);transition:transform .22s ease, box-shadow .22s ease;
}
.step-item:hover{transform:translateX(5px);box-shadow:var(--shadow-2)}
.step-num{
 font-size:19px;font-weight:900;letter-spacing:-.02em;color:var(--c-brand);
 background:var(--c-brand-soft);border-radius:12px;width:52px;height:52px;
 display:grid;place-items:center;flex-shrink:0;
}
.step-item h3{font-size:16.5px;font-weight:800;margin-bottom:6px}
.step-item p{font-size:14px;color:var(--c-ink-2);line-height:1.7}
/* ============ Stat band ============ */
.stat-band .sec-head{margin-bottom:40px;max-width:620px}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.stat-cell{
 background:rgba(255,255,255,.055);border:1px solid rgba(160,190,255,.16);
 border-radius:var(--radius-m);padding:24px 22px;transition:background .22s ease, transform .22s ease;
}
.stat-cell:hover{background:rgba(255,255,255,.09);transform:translateY(-4px)}
.stat-num{font-size:clamp(26px,3vw,36px);font-weight:900;letter-spacing:-.03em;color:#fff;line-height:1.15}
.stat-num small{font-size:15px;font-weight:700;margin-left:3px;color:#9fc0ff}
.stat-label{font-size:13.5px;color:#a7b6d6;margin-top:8px;font-weight:600}
/* ============ Update list ============ */
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:26px}
.list-head .sec-head{margin-bottom:0}
.update-list{border:1px solid var(--c-line);border-radius:var(--radius-l);background:#fff;overflow:hidden;box-shadow:var(--shadow-1)}
.update-item{
 display:grid;grid-template-columns:150px minmax(0,1.1fr) 120px minmax(0,1.2fr);
 gap:18px;align-items:center;padding:18px 26px;border-bottom:1px solid var(--c-line);
 transition:background .18s ease;
}
.update-item:last-child{border-bottom:none}
.update-item:hover{background:var(--c-brand-soft)}
.update-time{font-size:13px;font-weight:700;color:var(--c-ink-3);display:inline-flex;align-items:center;gap:8px}
.update-time i{color:var(--c-brand);font-size:12px}
.update-name{font-size:15px;font-weight:800}
.update-tag{
 justify-self:start;font-size:12.5px;font-weight:700;color:#a26a04;background:var(--c-accent-soft);
 border-radius:999px;padding:5px 12px;white-space:nowrap;
}
.update-note{font-size:13.6px;color:var(--c-ink-2)}
/* ============ Tag cloud ============ */
.tag-cloud{display:flex;flex-wrap:wrap;gap:11px}
.tag{
 display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:12px;
 background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);font-size:14px;font-weight:600;
 transition:.2s;box-shadow:var(--shadow-1);
}
.tag:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-3px)}
.tag em{font-style:normal;font-size:12px;color:var(--c-ink-3);font-weight:700}
.tag--lg{font-size:15.5px}
.tag--amber{border-color:#f6dfb0;background:var(--c-accent-soft);color:#a26a04}
.tag--blue{border-color:#c9daf8;background:var(--c-brand-soft);color:var(--c-brand-deep)}
/* ============ Reviews ============ */
.review-head{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;flex-wrap:wrap;margin-bottom:32px}
.review-head .sec-head{margin-bottom:0;max-width:600px}
.review-badge{
 display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--c-line);
 border-radius:999px;padding:9px 18px;font-size:13.5px;font-weight:700;color:var(--c-ink-2);box-shadow:var(--shadow-1);
}
.review-badge i{color:var(--c-accent)}
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.review-card{
 background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-l);padding:26px 24px;
 box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .22s ease, box-shadow .22s ease;
}
.review-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2)}
.review-stars{color:var(--c-accent);font-size:13px;letter-spacing:2px;margin-bottom:14px}
.review-text{font-size:14.6px;color:var(--c-ink-2);line-height:1.78;flex:1}
.review-who{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px dashed var(--c-line-2)}
.avatar{
 width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;
 background:linear-gradient(135deg,#1f5fe0,#57a0ff);color:#fff;font-weight:800;font-size:14px;
}
.avatar--amber{background:linear-gradient(135deg,#f59e0b,#fbbf24)}
.avatar--dark{background:linear-gradient(135deg,#123a8f,#3f83ff)}
.who-name{font-size:14.5px;font-weight:800;line-height:1.35}
.who-role{font-size:12.5px;color:var(--c-ink-3);font-weight:600}
/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:52px;align-items:start}
.faq-aside .btn{margin-top:22px}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
 background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);
 padding:20px 24px;box-shadow:var(--shadow-1);transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-item[open]{border-color:#c9daf8;box-shadow:var(--shadow-2)}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 font-size:15.6px;font-weight:800;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--c-brand);
 transition:transform .22s ease;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item p{font-size:14.4px;color:var(--c-ink-2);line-height:1.8;margin-top:14px;padding-top:14px;border-top:1px dashed var(--c-line-2)}
/* ============ CTA band ============ */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-l);
 background:linear-gradient(135deg,#0b1730 0%,#123a8f 55%,#1f5fe0 100%);
 color:#fff;padding:48px 52px;display:flex;align-items:center;justify-content:space-between;gap:38px;flex-wrap:wrap;
 box-shadow:var(--shadow-2);
}
.cta-band::after{
 content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,rgba(87,160,255,.42),transparent 70%);
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);font-weight:900;letter-spacing:-.02em;line-height:1.35;position:relative;z-index:1}
.cta-band p{font-size:14.8px;color:#c3d6fb;margin-top:12px;max-width:560px;position:relative;z-index:1}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
.cta-band .btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.32);color:#fff}
.cta-band .btn-ghost:hover{background:#fff;color:var(--c-brand-deep);border-color:#fff}
/* ============ Sticky bar ============ */
.sticky-bar{
 position:fixed;left:0;right:0;bottom:0;z-index:90;
 background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(16px);
 border-top:1px solid var(--c-line);box-shadow:0 -14px 36px -26px rgba(16,38,84,.5);
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:14px 24px}
.sticky-text{display:flex;flex-direction:column;gap:3px;min-width:0}
.sticky-text strong{font-size:14.6px;font-weight:800}
.sticky-text span{font-size:12.8px;color:var(--c-ink-3);font-weight:600}
.sticky-actions{display:flex;gap:10px;flex-shrink:0}
/* ============ Footer ============ */
.site-footer{background:var(--c-dark);color:#c3d0e8;padding:60px 0 26px;margin-top:76px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-about{font-size:13.8px;line-height:1.8;color:#93a4c4;max-width:360px}
.footer-col h4{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-col li + li{margin-top:9px}
.footer-col a{font-size:13.8px;color:#93a4c4;transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
 display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
 margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:#7d8dab;
}
/* ============ Responsive ============ */
@media (max-width:1080px){
 .page-head-grid{grid-template-columns:1fr;gap:38px}
 .standard-grid{grid-template-columns:1fr;gap:38px}
 .faq-grid{grid-template-columns:1fr;gap:34px}
 .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1024px){
 .menu-toggle{display:inline-flex}
 .header-actions{display:none}
 .nav{
  position:absolute;top:100%;left:0;right:0;margin:0;
  flex-direction:column;align-items:stretch;gap:6px;
  background:#fff;border-bottom:1px solid var(--c-line);
  padding:12px 20px 20px;box-shadow:var(--shadow-2);
  max-height:0;overflow:hidden;opacity:0;visibility:hidden;
  transition:max-height .28s ease, opacity .22s ease, visibility .22s;
 }
 .nav.is-open{max-height:560px;opacity:1;visibility:visible;overflow:visible}
 .nav-link{width:100%;justify-content:flex-start;padding:12px 14px;font-size:15px}
 .nav-mega{width:100%}
 .mega-panel{
  position:static;width:100%;opacity:1;visibility:visible;transform:none;
  box-shadow:none;border-radius:var(--radius-m);display:none;grid-template-columns:1fr;gap:18px;
 }
 .nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{display:grid}
 .update-item{grid-template-columns:1fr 1fr;gap:10px 16px}
 .update-note{grid-column:1 / -1}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .section--tight{padding:42px 0}
 .container{padding:0 18px}
 .header-inner{height:64px}
 .brand-text{font-size:16.5px}
 .page-head{padding:44px 0 44px}
 .topic-grid,.channel-grid,.review-grid{grid-template-columns:1fr}
 .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
 .cta-band{padding:34px 26px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .footer-about{max-width:none}
 .sticky-inner{flex-direction:column;align-items:stretch;gap:12px;padding:12px 18px}
 .sticky-text{align-items:flex-start}
 .sticky-actions{width:100%}
 .sticky-actions .btn{flex:1}
 body{padding-bottom:172px}
}
@media (max-width:520px){
 .topic-toolbar{flex-direction:column;align-items:flex-start}
 .hero-actions .btn{width:100%}
 .cta-actions{width:100%}
 .cta-actions .btn{width:100%}
 .update-item{grid-template-columns:1fr}
 .update-tag{justify-self:start}
 .ring-top{flex-direction:column;align-items:flex-start;gap:16px}
 .footer-grid{grid-template-columns:1fr}
 .stat-grid{grid-template-columns:1fr}
 .step-item{flex-direction:column;gap:14px}
}