/* roulang page: index */
:root{
  --brand:#4356e8;
  --brand-2:#7b5cff;
  --brand-deep:#2c37a8;
  --brand-soft:#eef1ff;
  --ink:#0f1729;
  --ink-2:#3b4763;
  --muted:#6d7893;
  --bg:#f5f6fb;
  --surface:#ffffff;
  --line:#e5e9f4;
  --accent:#f0a132;
  --accent-soft:#fff6e8;
  --ok:#17b890;
  --dark:#111a33;
  --radius-lg:22px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(15,23,41,.05);
  --shadow-md:0 12px 32px rgba(15,23,41,.08);
  --shadow-lg:0 26px 60px rgba(15,23,41,.14);
  --grad:linear-gradient(135deg,#4356e8 0%,#7b5cff 100%);
  --grad-soft:linear-gradient(160deg,#ffffff 0%,#f6f7ff 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(67,86,232,.45);outline-offset:3px;border-radius:6px}
.wrap{width:min(1180px,92%);margin:0 auto}
.section{padding:74px 0}
.section-soft{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-tint{background:linear-gradient(180deg,#f0f2fb 0%,#f7f8fd 100%)}
.section-dark{background:var(--dark);color:#e8ecf8}
.section-dark .sec-title{color:#fff}
.section-dark .sec-desc{color:#a9b4d2}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(15,23,41,.09)}
.header-inner{height:64px;display:flex;align-items:center;gap:26px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:.01em;color:var(--ink);flex:0 0 auto}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-size:16px;
  box-shadow:0 6px 16px rgba(67,86,232,.32);
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:8px 14px;border-radius:9px;font-size:15px;font-weight:500;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-link.active{color:var(--brand-deep);background:var(--brand-soft);font-weight:700}
.header-cta{
  margin-left:8px;flex:0 0 auto;
  display:inline-flex;align-items:center;gap:7px;
  background:var(--grad);color:#fff;font-size:14.5px;font-weight:600;
  padding:10px 18px;border-radius:10px;border:0;
  box-shadow:0 8px 20px rgba(67,86,232,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.header-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(67,86,232,.36);filter:brightness(1.04)}

/* ============ HERO / BENTO ============ */
.hero{position:relative;overflow:hidden;padding:52px 0 46px;background:#101a33}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.3;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(1000px 480px at 15% 0%,rgba(67,86,232,.45),transparent 62%),
             linear-gradient(180deg,rgba(16,26,51,.86) 0%,rgba(16,26,51,.94) 100%);
}
.hero-inner{position:relative;z-index:2}
.bento{display:grid;grid-template-columns:1.6fr 1fr;grid-template-rows:auto auto;gap:18px}
.bento-main{
  grid-row:1 / span 2;
  background:var(--grad-soft);
  border-radius:var(--radius-lg);
  padding:36px 36px 34px;
  box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.6);
}
.brand-chip{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:700;letter-spacing:.06em;
  padding:6px 13px;border-radius:999px;margin-bottom:18px;
}
.brand-chip i{font-size:14px}
.hero h1{
  font-size:clamp(1.95rem,3.5vw,2.75rem);
  font-weight:800;color:var(--ink);letter-spacing:-.02em;margin-bottom:14px;
}
.hero-sub{
  font-size:1.02rem;color:var(--brand-deep);font-weight:600;margin-bottom:16px;
}
.hero-lead{
  font-size:15.5px;line-height:1.82;color:var(--ink-2);max-width:60ch;margin-bottom:24px;
}
.hero-lead strong{color:var(--ink);font-weight:700}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--grad);color:#fff;font-weight:600;font-size:15px;
  padding:12px 24px;border-radius:10px;border:0;
  box-shadow:0 10px 24px rgba(67,86,232,.3);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(67,86,232,.38);filter:brightness(1.05)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.9);color:var(--brand-deep);font-weight:600;font-size:15px;
  padding:12px 22px;border-radius:10px;border:1px solid #ccd4f7;
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.btn-ghost:hover{background:#fff;color:var(--brand-deep);transform:translateY(-2px);border-color:var(--brand)}
.tag-row{display:flex;flex-wrap:wrap;gap:9px}
.tag-pill{
  font-size:13px;font-weight:600;color:var(--ink-2);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.tag-pill:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px)}
.bento-side{
  border-radius:var(--radius-lg);padding:24px;
  box-shadow:var(--shadow-md);
  border:1px solid rgba(255,255,255,.14);
}
.bento-stat{background:rgba(255,255,255,.97);border-color:#fff}
.bento-stat .side-label{
  font-size:12.5px;font-weight:700;letter-spacing:.12em;color:var(--muted);margin-bottom:14px;
}
.mini-stat{display:flex;align-items:baseline;justify-content:space-between;padding:11px 0;border-bottom:1px dashed var(--line)}
.mini-stat:last-child{border-bottom:0;padding-bottom:0}
.mini-stat span{font-size:13.5px;color:var(--ink-2)}
.mini-stat b{font-size:19px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.bento-media{
  padding:0;overflow:hidden;position:relative;min-height:180px;
  border:1px solid rgba(255,255,255,.16);
}
.bento-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.bento-media .media-cap{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;
  background:linear-gradient(0deg,rgba(15,23,41,.86),rgba(15,23,41,0));
  color:#fff;font-size:13.5px;font-weight:600;
}
.hero-cta-bar{
  margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius);padding:16px 22px;backdrop-filter:blur(6px);
}
.hero-cta-bar p{color:#dfe5f7;font-size:14.5px;flex:1 1 300px}
.hero-cta-bar .btn-main{padding:10px 20px;font-size:14.5px}

/* ============ SECTION TITLES ============ */
.sec-head{max-width:780px;margin-bottom:38px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand);
  text-transform:uppercase;margin-bottom:12px;
}
.sec-kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad)}
.sec-title{font-size:clamp(1.42rem,2.3vw,1.95rem);margin-bottom:14px}
.sec-desc{font-size:15.5px;color:var(--muted);line-height:1.8}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .sec-kicker{justify-content:center}

/* ============ CARDS ============ */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d2f7}
.card-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-size:20px;margin-bottom:16px;
}
.card h3{font-size:17.5px;margin-bottom:10px;color:var(--ink)}
.card p{font-size:14.8px;color:var(--muted);line-height:1.78}
.card .card-tag{
  display:inline-block;margin-top:14px;font-size:12.5px;font-weight:600;
  color:var(--brand-deep);background:var(--brand-soft);border-radius:999px;padding:4px 12px;
}
.card-accent .card-icon{background:var(--accent-soft);color:#c97c0d}

/* steps */
.step-card{position:relative;overflow:hidden}
.step-num{
  position:absolute;top:18px;right:22px;font-size:44px;font-weight:800;
  color:#eef1ff;line-height:1;letter-spacing:-.04em;user-select:none;
}
.step-card h3{position:relative}
.step-card p{position:relative}

/* data band */
.data-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow-md);
}
.data-item{text-align:center;padding:6px 4px}
.data-item b{
  display:block;font-size:clamp(1.7rem,3vw,2.2rem);font-weight:800;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.2;
}
.data-item span{display:block;font-size:13.8px;color:var(--muted);margin-top:6px}
.data-note{
  margin-top:20px;font-size:14.8px;color:var(--muted);
  background:var(--brand-soft);border-left:3px solid var(--brand);
  border-radius:0 10px 10px 0;padding:16px 20px;
}

/* timeline */
.timeline{position:relative;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:10px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand),#c9d2f7);
}
.tl-item{position:relative;margin-bottom:26px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:6px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(67,86,232,.12);
}
.tl-item h3{font-size:16.5px;margin-bottom:7px}
.tl-item p{font-size:14.6px;color:var(--muted)}
.tl-item .tl-time{
  display:inline-block;font-size:12.5px;font-weight:700;color:var(--brand-deep);
  background:var(--brand-soft);padding:3px 11px;border-radius:999px;margin-bottom:9px;
}

/* media cards */
.media-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d2f7}
.media-thumb{aspect-ratio:16/10;overflow:hidden;background:#e9ecf8}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.media-card:hover .media-thumb img{transform:scale(1.045)}
.media-body{padding:22px 22px 24px}
.media-body h3{font-size:17px;margin-bottom:9px}
.media-body p{font-size:14.6px;color:var(--muted)}

/* channel wall */
.channel-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#c1cbf5;color:inherit}
.channel-card .ch-icon{
  width:48px;height:48px;border-radius:14px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:21px;margin-bottom:16px;
  box-shadow:0 10px 22px rgba(67,86,232,.26);
}
.channel-card h3{font-size:18px;margin-bottom:9px}
.channel-card p{font-size:14.6px;color:var(--muted);margin-bottom:14px}
.channel-card .ch-link{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.channel-card:hover .ch-link{color:var(--brand-deep)}

/* voice bubbles */
.bubble-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.bubble{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);position:relative;
}
.bubble::after{
  content:"";position:absolute;left:28px;bottom:-9px;width:16px;height:16px;
  background:var(--surface);border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  transform:rotate(45deg);
}
.bubble p{font-size:14.6px;color:var(--ink-2);margin-bottom:16px}
.bubble-user{display:flex;align-items:center;gap:11px}
.avatar{
  width:36px;height:36px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);
  display:grid;place-items:center;font-weight:800;font-size:14px;flex:0 0 auto;
}
.bubble-user strong{display:block;font-size:14px;line-height:1.4}
.bubble-user span{font-size:12.5px;color:var(--muted)}

/* guarantee strip */
.guarantee{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.g-item{
  display:flex;gap:13px;align-items:flex-start;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);padding:20px;
}
.g-item i{font-size:20px;color:#8fa2ff;flex:0 0 auto;margin-top:2px}
.g-item strong{display:block;font-size:15px;color:#fff;margin-bottom:5px}
.g-item span{font-size:13.6px;color:#a9b4d2;line-height:1.7}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;
  box-shadow:var(--shadow-sm);height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d2f7;color:inherit}
.news-tag{
  align-self:flex-start;font-size:12.5px;font-weight:700;color:var(--brand-deep);
  background:var(--brand-soft);border-radius:999px;padding:4px 12px;margin-bottom:13px;
}
.news-card h3{font-size:16.5px;margin-bottom:10px;line-height:1.5}
.news-card p{font-size:14.3px;color:var(--muted);flex:1}
.news-card time{display:block;margin-top:15px;font-size:12.8px;color:#96a0ba}
.news-empty{
  grid-column:1/-1;text-align:center;color:var(--muted);font-size:15px;
  padding:44px 20px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);
}

/* final cta */
.cta-panel{
  background:var(--grad);border-radius:var(--radius-lg);
  padding:48px 40px;text-align:center;color:#fff;
  box-shadow:0 28px 60px rgba(67,86,232,.32);position:relative;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:rgba(255,255,255,.12);top:-220px;right:-120px;
}
.cta-panel::after{
  content:"";position:absolute;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.08);bottom:-170px;left:-80px;
}
.cta-panel .cta-inner{position:relative;z-index:2}
.cta-panel h2{font-size:clamp(1.4rem,2.4vw,1.9rem);margin-bottom:14px;color:#fff}
.cta-panel p{font-size:15.5px;color:rgba(255,255,255,.88);max-width:640px;margin:0 auto 26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:13px;justify-content:center}
.btn-on-grad{
  background:#fff;color:var(--brand-deep);font-weight:700;font-size:15px;
  padding:12px 26px;border-radius:10px;border:0;
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-on-grad:hover{color:var(--brand-deep);transform:translateY(-2px);box-shadow:0 14px 28px rgba(15,23,41,.18)}
.btn-on-outline{
  background:transparent;color:#fff;font-weight:600;font-size:15px;
  padding:12px 26px;border-radius:10px;border:1px solid rgba(255,255,255,.55);
  transition:background .2s ease,transform .2s ease;
}
.btn-on-outline:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}

/* ============ FOOTER ============ */
.site-footer{background:#0b1226;color:#8e99b8;padding:56px 0 40px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand .logo-mark{width:32px;height:32px;font-size:15px;border-radius:10px}
.footer-grid p{font-size:14.2px;color:#8e99b8;line-height:1.8;max-width:38ch}
.footer-col h4{font-size:14.5px;color:#fff;font-weight:700;margin-bottom:14px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:9px}
.footer-col a{font-size:14px;color:#8e99b8;transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{padding-top:22px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13.2px;color:#6f7c9c}
.footer-bottom a{color:#8e99b8}
.footer-bottom a:hover{color:#fff}

/* ============ MOBILE TAB BAR ============ */
.mobile-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:rgba(255,255,255,.97);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  padding:6px 6px calc(6px + env(safe-area-inset-bottom));
  box-shadow:0 -6px 22px rgba(15,23,41,.07);
}
.tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  min-height:46px;border-radius:10px;font-size:11.5px;font-weight:600;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.tab-item i{font-size:19px;line-height:1}
.tab-item.active{color:var(--brand-deep);background:var(--brand-soft)}
.tab-item:hover{color:var(--brand-deep)}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .bento{grid-template-columns:1fr 1fr;grid-template-rows:auto auto}
  .bento-main{grid-row:1;grid-column:1 / -1}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .data-band{grid-template-columns:repeat(2,1fr);gap:22px}
  .guarantee{grid-template-columns:repeat(2,1fr)}
  .bubble-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .main-nav .nav-link{padding:8px 10px;font-size:14.5px}
}
@media (max-width:860px){
  .main-nav{display:none}
  .header-cta{margin-left:auto}
  .grid-3{grid-template-columns:1fr 1fr}
  .section{padding:56px 0}
}
@media (max-width:768px){
  body{padding-bottom:70px}
  .mobile-tabbar{display:flex}
  .bento{grid-template-columns:1fr}
  .bento-main{padding:26px 22px}
  .bento-media{min-height:190px}
  .hero{padding:34px 0 40px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;justify-content:center}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .bubble-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-panel{padding:36px 22px}
  .sec-head{margin-bottom:28px}
  .guarantee{grid-template-columns:1fr}
  .data-band{padding:22px 18px}
}
@media (max-width:520px){
  .header-inner{height:58px;gap:12px}
  .logo{font-size:16.5px}
  .logo-mark{width:30px;height:30px;font-size:14px;border-radius:9px}
  .header-cta{padding:9px 14px;font-size:13.5px}
  .hero h1{font-size:1.62rem}
  .grid-4{grid-template-columns:1fr}
  .data-band{grid-template-columns:1fr 1fr}
  .card{padding:22px 18px}
  .btn-main,.btn-ghost,.btn-on-grad,.btn-on-outline{width:100%;justify-content:center}
  .cta-actions{flex-direction:column}
  .news-card{padding:20px 18px}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --brand:#4356e8;
  --brand-2:#7b5cff;
  --brand-deep:#2c37a8;
  --brand-soft:#eef1ff;
  --ink:#0f1729;
  --ink-2:#3b4763;
  --muted:#6d7893;
  --bg:#f5f6fb;
  --surface:#ffffff;
  --line:#e5e9f4;
  --accent:#f0a132;
  --accent-soft:#fff6e8;
  --ok:#17b890;
  --dark:#111a33;
  --radius-lg:22px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(15,23,41,.05);
  --shadow-md:0 12px 32px rgba(15,23,41,.08);
  --shadow-lg:0 26px 60px rgba(15,23,41,.14);
  --grad:linear-gradient(135deg,#4356e8 0%,#7b5cff 100%);
  --grad-soft:linear-gradient(160deg,#ffffff 0%,#f6f7ff 100%);
}
html{scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
.wrap{width:min(1180px,92%);margin:0 auto}
.section{padding:74px 0}
.section-soft{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-tint{background:linear-gradient(180deg,#f0f2fb 0%,#f7f8fd 100%)}
.section-dark{background:var(--dark);color:#e8ecf8}
.section-dark .sec-title{color:#fff}
.section-dark .sec-desc{color:#a9b4d2}
.sec-head{margin-bottom:34px;max-width:720px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-deep);background:var(--brand-soft);
  padding:5px 12px;border-radius:999px;margin-bottom:12px;
}
.sec-title{
  font-size:clamp(1.4rem,2.3vw,1.85rem);
  font-weight:800;letter-spacing:-.015em;color:var(--ink);
  margin:0 0 10px;position:relative;padding-left:16px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:4px;
  background:var(--grad);
}
.sec-desc{font-size:15px;color:var(--muted);line-height:1.8;margin:0}
/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(15,23,41,.09)}
.header-inner{height:64px;display:flex;align-items:center;gap:26px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:.01em;color:var(--ink);flex:0 0 auto}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-size:16px;
  box-shadow:0 6px 16px rgba(67,86,232,.32);
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:8px 14px;border-radius:9px;font-size:15px;font-weight:500;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-link.active{color:var(--brand-deep);background:var(--brand-soft);font-weight:700}
.header-cta{
  margin-left:8px;flex:0 0 auto;
  display:inline-flex;align-items:center;gap:7px;
  background:var(--grad);color:#fff;font-size:14.5px;font-weight:600;
  padding:10px 18px;border-radius:10px;border:0;
  box-shadow:0 8px 20px rgba(67,86,232,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.header-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(67,86,232,.36);filter:brightness(1.04)}
/* ============ ARTICLE HERO ============ */
.article-hero{position:relative;overflow:hidden;background:#101a33;padding:46px 0 52px}
.article-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;opacity:.26;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 420px at 12% 0%,rgba(67,86,232,.5),transparent 62%),
             linear-gradient(180deg,rgba(16,26,51,.82) 0%,rgba(16,26,51,.96) 100%);
}
.hero-inner{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:#a2adcb;margin-bottom:20px}
.crumb a{color:#cdd6f2}
.crumb a:hover{color:#fff}
.crumb i{font-size:11px;opacity:.7}
.post-cat{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  color:#dfe5ff;font-size:13px;font-weight:700;letter-spacing:.05em;
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.post-h1{
  font-size:clamp(1.75rem,3.4vw,2.55rem);
  font-weight:800;line-height:1.32;letter-spacing:-.02em;
  color:#fff;margin:0 0 16px;max-width:22ch;
}
.post-lead{
  font-size:15.5px;line-height:1.85;color:#c3cbe6;max-width:72ch;margin:0 0 22px;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13.5px;color:#9fabcd}
.post-meta span{display:inline-flex;align-items:center;gap:7px}
.post-meta i{color:#7b8ecb}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#5c6b96;display:inline-block}
.post-cover{
  position:relative;z-index:2;margin-top:30px;border-radius:var(--radius-lg);
  overflow:hidden;border:1px solid rgba(255,255,255,.18);
  box-shadow:0 26px 60px rgba(4,9,24,.5);
}
.post-cover img{width:100%;height:clamp(200px,36vw,380px);object-fit:cover}
/* ============ ARTICLE BODY ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 328px;gap:40px;align-items:start}
.article-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:38px 40px;box-shadow:var(--shadow-sm);
}
.article-body{font-size:16px;line-height:1.85;color:var(--ink-2);word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:1.34rem;font-weight:800;color:var(--ink);line-height:1.5;
  margin:36px 0 14px;padding-left:14px;border-left:4px solid var(--brand);
}
.article-body h3{font-size:1.1rem;font-weight:800;color:var(--ink);margin:26px 0 10px}
.article-body h4{font-size:1rem;font-weight:700;color:var(--ink);margin:20px 0 8px}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin-bottom:8px}
.article-body li::marker{color:var(--brand)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand)}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;background:var(--brand-soft);
  border-left:4px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0;
  color:var(--ink-2);font-size:15px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius);margin:20px 0;box-shadow:var(--shadow-sm)}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--brand-soft);color:var(--brand-deep);font-weight:700;white-space:nowrap}
.article-body tr:nth-child(even) td{background:#fafbff}
.article-body hr{border:0;border-top:1px solid var(--line);margin:28px 0}
.not-found{padding:26px 0;text-align:center}
.not-found i{font-size:34px;color:var(--brand);display:block;margin-bottom:12px}
.not-found h2{font-size:1.3rem;font-weight:800;color:var(--ink);margin:0 0 8px;border:0;padding:0}
.not-found p{color:var(--muted);margin:0 0 18px}
/* ============ SIDEBAR ============ */
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);margin-bottom:20px;
}
.side-card h3{
  font-size:15px;font-weight:800;color:var(--ink);margin:0 0 16px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3 i{color:var(--brand)}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:10px 0;border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list span:first-child{color:var(--muted)}
.side-list span:last-child{color:var(--ink);font-weight:700}
.side-note{font-size:13.5px;color:var(--muted);line-height:1.8;margin:0}
.side-cta{
  background:var(--grad);border-radius:var(--radius);padding:24px;color:#fff;
  box-shadow:0 18px 40px rgba(67,86,232,.28);
}
.side-cta h3{font-size:16px;font-weight:800;margin:0 0 8px;color:#fff;display:flex;align-items:center;gap:8px}
.side-cta p{font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.86);margin:0 0 16px}
.side-cta .btn-white{
  display:inline-flex;align-items:center;gap:7px;background:#fff;color:var(--brand-deep);
  font-weight:700;font-size:14px;padding:10px 18px;border-radius:9px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.side-cta .btn-white:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(4,9,24,.24);color:var(--brand-deep)}
/* ============ CARDS ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.info-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d2f7}
.info-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);font-size:20px;margin-bottom:16px;
}
.info-card h3{font-size:16.5px;font-weight:800;color:var(--ink);margin:0 0 10px}
.info-card p{font-size:14.5px;line-height:1.8;color:var(--muted);margin:0 0 14px}
.tag-inline{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--brand-deep);
  background:var(--brand-soft);border-radius:999px;padding:4px 11px;
}
.tag-inline.warm{background:var(--accent-soft);color:#a86a11}
.tag-inline.ok{background:#e7f8f3;color:#0f8a6b}
/* ============ STATS ============ */
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:30px}
.stat-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);padding:20px 22px;
}
.stat-item .num{font-size:1.65rem;font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.2}
.stat-item .num small{font-size:.85rem;font-weight:700;color:#9fb0ef;margin-left:3px}
.stat-item .lbl{font-size:13.5px;color:#a9b4d2;margin-top:6px}
/* ============ STEPS ============ */
.step-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;counter-reset:step}
.step-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 24px 24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step-card::before{
  counter-increment:step;content:"0" counter(step);
  font-size:13px;font-weight:800;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:3px 11px;
  display:inline-block;margin-bottom:14px;letter-spacing:.06em;
}
.step-card h3{font-size:16px;font-weight:800;color:var(--ink);margin:0 0 10px}
.step-card p{font-size:14.5px;line-height:1.8;color:var(--muted);margin:0}
/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#c9d2f7;box-shadow:var(--shadow-md)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\F282";font-family:"bootstrap-icons";font-size:14px;color:var(--brand);
  transition:transform .25s ease;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-body{padding:0 22px 20px;font-size:14.8px;line-height:1.85;color:var(--ink-2)}
.faq-body p{margin:0}
/* ============ TOPIC CARDS ============ */
.topic-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d2f7;color:inherit}
.topic-card .thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:#e8ecf9}
.topic-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.topic-card:hover .thumb img{transform:scale(1.05)}
.topic-card .body{padding:20px 22px 22px}
.topic-card h3{font-size:16px;font-weight:800;color:var(--ink);margin:0 0 8px}
.topic-card p{font-size:14px;line-height:1.75;color:var(--muted);margin:0 0 12px}
.topic-card .more{font-size:13.5px;font-weight:700;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px}
/* ============ CTA ============ */
.cta-box{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--grad);padding:48px 44px;color:#fff;
  box-shadow:0 28px 60px rgba(67,86,232,.3);
  display:flex;flex-wrap:wrap;align-items:center;gap:28px;
}
.cta-box::after{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;
  border-radius:50%;background:rgba(255,255,255,.12);
}
.cta-text{position:relative;z-index:2;flex:1 1 420px}
.cta-text h2{font-size:clamp(1.35rem,2.3vw,1.75rem);font-weight:800;margin:0 0 10px;color:#fff}
.cta-text p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.88);margin:0;max-width:60ch}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--grad);color:#fff;font-weight:600;font-size:15px;
  padding:12px 24px;border-radius:10px;border:0;
  box-shadow:0 10px 24px rgba(67,86,232,.3);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(67,86,232,.38);filter:brightness(1.05)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.9);color:var(--brand-deep);font-weight:600;font-size:15px;
  padding:12px 22px;border-radius:10px;border:1px solid #ccd4f7;
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.btn-ghost:hover{background:#fff;color:var(--brand-deep);transform:translateY(-2px);border-color:var(--brand)}
.btn-light{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--brand-deep);font-weight:700;font-size:15px;
  padding:12px 24px;border-radius:10px;border:0;
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-light:hover{color:var(--brand-deep);transform:translateY(-2px);box-shadow:0 14px 30px rgba(4,9,24,.24)}
.btn-outline-light2{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:#fff;font-weight:600;font-size:15px;
  padding:12px 24px;border-radius:10px;border:1px solid rgba(255,255,255,.55);
  transition:background .2s ease,transform .2s ease;
}
.btn-outline-light2:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
/* ============ FOOTER ============ */
.site-footer{background:var(--dark);color:#b9c3dd;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:#fff;margin-bottom:14px}
.site-footer p{font-size:14px;line-height:1.85;color:#9fabcd;margin:0;max-width:46ch}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin:0 0 14px;letter-spacing:.04em}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#9fabcd;transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding-top:22px;font-size:13px;color:#7f8bad;
}
/* ============ MOBILE TABBAR ============ */
.mobile-tabbar{display:none}
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .side-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .side-card{margin-bottom:0}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:880px){
  .main-nav,.header-cta{display:none}
  .header-inner{justify-content:space-between}
  .article-panel{padding:28px 22px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-box{padding:38px 26px}
}
@media (max-width:768px){
  body{padding-bottom:74px}
  .section{padding:52px 0}
  .article-hero{padding:34px 0 42px}
  .post-h1{max-width:none}
  .side-col{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;padding-bottom:26px}
  .footer-bottom{flex-direction:column;gap:6px}
  .mobile-tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;
    background:rgba(255,255,255,.97);
    backdrop-filter:saturate(180%) blur(14px);
    border-top:1px solid var(--line);
    padding:6px 6px calc(6px + env(safe-area-inset-bottom));
    box-shadow:0 -6px 22px rgba(15,23,41,.08);
  }
  .mobile-tabbar a{
    flex:1;min-height:46px;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;font-size:11.5px;font-weight:600;color:var(--muted);border-radius:10px;
    transition:color .2s ease,background .2s ease;
  }
  .mobile-tabbar a i{font-size:19px}
  .mobile-tabbar a.active{color:var(--brand-deep);background:var(--brand-soft)}
}
@media (max-width:520px){
  .wrap{width:min(1180px,94%)}
  .logo{font-size:16.5px}
  .logo-mark{width:30px;height:30px;font-size:14px;border-radius:10px}
  .grid-4,.grid-3,.grid-2,.step-list,.stat-strip{grid-template-columns:minmax(0,1fr)}
  .article-panel{padding:24px 18px;border-radius:var(--radius)}
  .article-body{font-size:15.5px}
  .article-body h2{font-size:1.2rem}
  .post-cover img{height:200px}
  .cta-actions{width:100%}
  .cta-actions .btn-light,.cta-actions .btn-outline-light2{width:100%;justify-content:center}
  .faq-item summary{padding:16px 18px;font-size:14.8px}
  .faq-body{padding:0 18px 18px}
}

/* roulang page: category1 */
:root{
 --brand:#4356e8;
 --brand-2:#7b5cff;
 --brand-deep:#2c37a8;
 --brand-soft:#eef1ff;
 --ink:#0f1729;
 --ink-2:#3b4763;
 --muted:#6d7893;
 --bg:#f5f6fb;
 --surface:#ffffff;
 --line:#e5e9f4;
 --accent:#f0a132;
 --accent-soft:#fff6e8;
 --ok:#17b890;
 --dark:#111a33;
 --radius-lg:22px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(15,23,41,.05);
 --shadow-md:0 12px 32px rgba(15,23,41,.08);
 --shadow-lg:0 26px 60px rgba(15,23,41,.14);
 --grad:linear-gradient(135deg,#4356e8 0%,#7b5cff 100%);
 --grad-soft:linear-gradient(160deg,#ffffff 0%,#f6f7ff 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;line-height:1.78;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
button{font-family:inherit}
.wrap{width:min(1180px,92%);margin-inline:auto}
.section{padding:74px 0}
.section-soft{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-tint{background:linear-gradient(180deg,#f0f2fb 0%,#f7f8fd 100%)}
.section-dark{background:var(--dark);color:#e8ecf8}
.section-dark .sec-title{color:#fff}
.section-dark .sec-desc{color:#a9b4d2}
.sec-head{max-width:780px;margin-bottom:38px}
.sec-kicker{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand);margin-bottom:12px;
}
.sec-kicker::before{content:"";width:24px;height:2px;border-radius:2px;background:var(--grad)}
.sec-title{font-size:clamp(1.45rem,2.6vw,2rem);font-weight:800;letter-spacing:-.01em;color:var(--ink);line-height:1.35}
.sec-desc{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.8}
/* ============ HEADER ============ */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.92);
 backdrop-filter:saturate(180%) blur(14px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(15,23,41,.09)}
.header-inner{height:64px;display:flex;align-items:center;gap:26px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:.01em;color:var(--ink);flex:0 0 auto}
.logo:hover{color:var(--ink)}
.logo-mark{
 width:34px;height:34px;border-radius:11px;background:var(--grad);
 display:grid;place-items:center;color:#fff;font-size:16px;
 box-shadow:0 6px 16px rgba(67,86,232,.32);
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
 padding:8px 14px;border-radius:9px;font-size:15px;font-weight:500;color:var(--ink-2);
 transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-link.active{color:var(--brand-deep);background:var(--brand-soft);font-weight:700}
.header-cta{
 margin-left:8px;flex:0 0 auto;
 display:inline-flex;align-items:center;gap:7px;
 background:var(--grad);color:#fff;font-size:14.5px;font-weight:600;
 padding:10px 18px;border-radius:10px;border:0;
 box-shadow:0 8px 20px rgba(67,86,232,.28);
 transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.header-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(67,86,232,.36);filter:brightness(1.04)}
.header-cta:focus-visible,.btn-main:focus-visible,.btn-ghost:focus-visible,.nav-link:focus-visible{
 outline:3px solid rgba(67,86,232,.38);outline-offset:2px;
}
/* ============ MOBILE TABBAR ============ */
.mobile-tabbar{display:none}
/* ============ HERO ============ */
.hero-cat{position:relative;overflow:hidden;background:#101a33;padding:58px 0 62px;color:#e8ecf8}
.hero-cat-bg{
 position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28;
}
.hero-cat::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(960px 480px at 18% 0%,rgba(67,86,232,.5),transparent 62%),
 linear-gradient(180deg,rgba(16,26,51,.86) 0%,rgba(16,26,51,.96) 100%);
}
.hero-cat-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.18fr .82fr;gap:46px;align-items:center}
.hero-cat .brand-chip{
 display:inline-flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
 color:#e6ebff;font-size:13px;font-weight:700;letter-spacing:.05em;
 padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.hero-cat h1{
 font-size:clamp(1.85rem,3.4vw,2.65rem);font-weight:800;color:#fff;
 letter-spacing:-.02em;line-height:1.3;margin-bottom:14px;
}
.hero-sub{font-size:1.02rem;font-weight:600;color:#a9b8ee;margin-bottom:16px}
.hero-lead{font-size:15.5px;line-height:1.84;color:#c9d3ef;max-width:58ch;margin-bottom:24px}
.hero-lead strong{color:#fff;font-weight:700}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.btn-main{
 display:inline-flex;align-items:center;gap:8px;
 background:var(--grad);color:#fff;font-weight:600;font-size:15px;
 padding:12px 24px;border-radius:10px;border:0;
 box-shadow:0 10px 24px rgba(67,86,232,.3);
 transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(67,86,232,.38);filter:brightness(1.05)}
.btn-ghost{
 display:inline-flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.1);color:#e8ecf8;font-weight:600;font-size:15px;
 padding:12px 22px;border-radius:10px;border:1px solid rgba(255,255,255,.28);
 transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px);border-color:rgba(255,255,255,.5)}
.tag-row{display:flex;flex-wrap:wrap;gap:9px}
.tag-pill{
 font-size:13px;font-weight:600;color:#dfe5f7;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
 border-radius:999px;padding:6px 14px;
 transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease;
}
.tag-pill:hover{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.16);transform:translateY(-2px)}
.hero-phone{position:relative}
.phone-frame{
 position:relative;width:min(296px,100%);aspect-ratio:9/16;margin-inline:auto;
 border-radius:26px;overflow:hidden;background:#1b2547;
 border:1px solid rgba(255,255,255,.24);
 box-shadow:0 30px 64px rgba(0,0,0,.46);
}
.phone-frame img{width:100%;height:100%;object-fit:cover;opacity:.94}
.phone-frame::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(16,26,51,.1) 0%,rgba(16,26,51,.05) 42%,rgba(16,26,51,.88) 100%);
}
.phone-cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:18px 18px 20px;color:#fff}
.phone-cap span{display:block;font-size:12px;letter-spacing:.14em;color:#b9c6f2;margin-bottom:6px}
.phone-cap strong{font-size:16px;font-weight:700;line-height:1.5}
.phone-badges{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:16px}
.badge-soft{
 font-size:12.5px;font-weight:600;color:#dfe5f7;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
 padding:5px 12px;border-radius:999px;
}
/* ============ CARDS ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card-x{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d2f2}
.icon-badge{
 width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-deep);font-size:20px;margin-bottom:16px;
}
.icon-badge.amber{background:var(--accent-soft);color:#b8760f}
.card-x h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:9px;line-height:1.5}
.card-x p{font-size:14.6px;color:var(--ink-2);line-height:1.8}
.card-x p strong{color:var(--brand-deep);font-weight:700}
.card-note{
 display:inline-flex;align-items:center;gap:6px;margin-top:14px;
 font-size:12.5px;font-weight:700;color:var(--brand-deep);
 background:var(--brand-soft);border-radius:999px;padding:4px 11px;
}
.card-note.amber{background:var(--accent-soft);color:#a86a08}
/* ============ STEPS ============ */
.step-list{display:grid;gap:14px}
.step-item{
 display:grid;grid-template-columns:52px 1fr;gap:20px;align-items:start;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d2f2}
.step-num{
 width:52px;height:52px;border-radius:15px;background:var(--grad);color:#fff;
 display:grid;place-items:center;font-weight:800;font-size:18px;
 box-shadow:0 10px 22px rgba(67,86,232,.28);
}
.step-item h3{font-size:16.5px;font-weight:700;margin-bottom:7px}
.step-item p{font-size:14.6px;color:var(--ink-2);line-height:1.8}
/* ============ SCENE ============ */
.scene-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d2f2}
.scene-thumb{aspect-ratio:16/10;overflow:hidden;background:#e8ecf8}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.scene-card:hover .scene-thumb img{transform:scale(1.05)}
.scene-body{padding:22px 22px 24px}
.scene-body h3{font-size:16.5px;font-weight:700;margin-bottom:9px}
.scene-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
/* ============ DARK QUOTES ============ */
.quote-card{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:26px 24px;height:100%;
 transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.quote-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3)}
.quote-card .bi-quote{font-size:26px;color:#8b9bef;display:block;margin-bottom:12px}
.quote-card p{font-size:15px;color:#dbe2f6;line-height:1.85}
.quote-who{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12)}
.quote-avatar{
 width:38px;height:38px;border-radius:11px;background:var(--grad);color:#fff;
 display:grid;place-items:center;font-weight:700;font-size:14px;flex:0 0 auto;
}
.quote-who b{display:block;font-size:14px;color:#fff;font-weight:700}
.quote-who span{display:block;font-size:12.5px;color:#9aa7c9}
/* ============ POSTS ============ */
.post-col{display:flex}
.post-card{
 display:flex;flex-direction:column;width:100%;height:100%;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d2f2;color:inherit}
.post-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:#e8ecf8}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.post-tag{
 align-self:flex-start;font-size:12px;font-weight:700;color:var(--brand-deep);
 background:var(--brand-soft);border-radius:999px;padding:3px 11px;
}
.post-title{font-size:16px;font-weight:700;line-height:1.55;color:var(--ink)}
.post-excerpt{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;font-size:12.5px;color:#98a2bb}
.empty-note{
 background:var(--surface);border:1px dashed #cfd7ee;border-radius:var(--radius);
 padding:34px;text-align:center;color:var(--muted);font-size:15px;
}
/* ============ STATS ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}
.stat-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 20px;text-align:center;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d2f2}
.stat-num{
 font-size:min(2.05rem,7vw);font-weight:800;line-height:1.2;
 background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{display:block;margin-top:8px;font-size:13.5px;color:var(--muted);font-weight:600}
/* ============ FAQ + CTA ============ */
.faq-acc .accordion-item{
 border:1px solid var(--line);border-radius:var(--radius)!important;
 overflow:hidden;margin-bottom:12px;background:var(--surface);box-shadow:var(--shadow-sm);
}
.faq-acc .accordion-button{
 font-weight:700;color:var(--ink);background:var(--surface);
 padding:18px 22px;font-size:15.5px;line-height:1.6;box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-deep)}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent;outline:none}
.faq-acc .accordion-button::after{transition:transform .2s ease}
.faq-acc .accordion-body{color:var(--ink-2);font-size:14.8px;line-height:1.85;padding:6px 22px 22px}
.cta-final{
 position:relative;overflow:hidden;margin-top:34px;
 background:var(--grad);border-radius:var(--radius-lg);
 padding:40px 38px;color:#fff;
 display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;
 box-shadow:var(--shadow-lg);
}
.cta-final::after{
 content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;
 background:rgba(255,255,255,.12);
}
.cta-final h2{font-size:clamp(1.3rem,2.4vw,1.75rem);font-weight:800;line-height:1.4;margin-bottom:10px;position:relative;z-index:2}
.cta-final p{font-size:15px;color:rgba(255,255,255,.88);max-width:56ch;position:relative;z-index:2}
.cta-final .btn-light-solid{
 position:relative;z-index:2;
 display:inline-flex;align-items:center;gap:8px;
 background:#fff;color:var(--brand-deep);font-weight:700;font-size:15px;
 padding:13px 26px;border-radius:10px;border:0;white-space:nowrap;
 box-shadow:0 12px 26px rgba(15,23,41,.18);
 transition:transform .2s ease,box-shadow .2s ease;
}
.cta-final .btn-light-solid:hover{transform:translateY(-2px);box-shadow:0 18px 32px rgba(15,23,41,.24);color:var(--brand-deep)}
/* ============ FOOTER ============ */
.site-footer{background:#0f1729;color:#b9c2da;padding:58px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
.footer-brand .logo-mark{width:32px;height:32px;border-radius:10px;font-size:15px}
.site-footer p{font-size:14.4px;line-height:1.85;color:#9aa7c9;max-width:46ch}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:15px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:#b9c2da;font-size:14.4px;transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{
 margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
 display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
 font-size:13.4px;color:#8894b3;
}
/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
 .hero-cat-inner{grid-template-columns:1fr .78fr;gap:32px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .footer-brand-col{grid-column:1/-1}
 .main-nav .nav-link{padding:8px 11px;font-size:14.5px}
}
@media (max-width:900px){
 .hero-cat-inner{grid-template-columns:1fr;gap:38px}
 .phone-frame{width:min(240px,70%)}
 .grid-3{grid-template-columns:1fr 1fr}
 .stat-grid{grid-template-columns:repeat(2,1fr)}
 .cta-final{grid-template-columns:1fr;padding:34px 26px}
}
@media (max-width:768px){
 body{padding-bottom:72px}
 .main-nav{display:none}
 .header-inner{height:60px;gap:14px}
 .header-cta{padding:9px 15px;font-size:14px}
 .section{padding:54px 0}
 .hero-cat{padding:40px 0 48px}
 .grid-2,.grid-3{grid-template-columns:1fr}
 .step-item{grid-template-columns:44px 1fr;gap:16px;padding:20px}
 .step-num{width:44px;height:44px;border-radius:13px;font-size:16px}
 .mobile-tabbar{
  display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:rgba(255,255,255,.97);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding:6px 4px calc(6px + env(safe-area-inset-bottom));
  justify-content:space-around;
 }
 .mobile-tabbar a{
  display:grid;justify-items:center;gap:2px;min-width:58px;min-height:44px;
  padding:6px 8px;border-radius:10px;font-size:11.5px;color:var(--muted);font-weight:600;
 }
 .mobile-tabbar a i{font-size:19px;line-height:1}
 .mobile-tabbar a.active{color:var(--brand-deep);background:var(--brand-soft)}
 .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:520px){
 .hero-cat h1{font-size:1.62rem}
 .hero-lead{font-size:14.8px}
 .grid-4{grid-template-columns:1fr}
 .stat-grid{grid-template-columns:1fr 1fr;gap:12px}
 .stat-item{padding:20px 12px}
 .card-x{padding:22px 20px}
 .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;justify-content:center}
 .cta-final .btn-light-solid{width:100%;justify-content:center}
}

/* roulang page: category2 */
:root{
 --brand:#4356e8;
 --brand-2:#7b5cff;
 --brand-deep:#2c37a8;
 --brand-soft:#eef1ff;
 --ink:#0f1729;
 --ink-2:#3b4763;
 --muted:#6d7893;
 --bg:#f5f6fb;
 --surface:#ffffff;
 --line:#e5e9f4;
 --accent:#f0a132;
 --accent-soft:#fff6e8;
 --ok:#17b890;
 --dark:#111a33;
 --radius-lg:22px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(15,23,41,.05);
 --shadow-md:0 12px 32px rgba(15,23,41,.08);
 --shadow-lg:0 26px 60px rgba(15,23,41,.14);
 --grad:linear-gradient(135deg,#4356e8 0%,#7b5cff 100%);
 --grad-soft:linear-gradient(160deg,#ffffff 0%,#f6f7ff 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;line-height:1.78;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
[id]{scroll-margin-top:86px}
.wrap{width:min(1180px,92vw);margin:0 auto}

/* ============ HEADER ============ */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.92);
 backdrop-filter:saturate(180%) blur(14px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(15,23,41,.09)}
.header-inner{height:64px;display:flex;align-items:center;gap:26px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:.01em;color:var(--ink);flex:0 0 auto}
.logo:hover{color:var(--ink)}
.logo-mark{
 width:34px;height:34px;border-radius:11px;background:var(--grad);
 display:grid;place-items:center;color:#fff;font-size:16px;
 box-shadow:0 6px 16px rgba(67,86,232,.32);
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
 padding:8px 14px;border-radius:9px;font-size:15px;font-weight:500;color:var(--ink-2);
 transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-link.active{color:var(--brand-deep);background:var(--brand-soft);font-weight:700}
.header-cta{
 margin-left:8px;flex:0 0 auto;
 display:inline-flex;align-items:center;gap:7px;
 background:var(--grad);color:#fff;font-size:14.5px;font-weight:600;
 padding:10px 18px;border-radius:10px;border:0;
 box-shadow:0 8px 20px rgba(67,86,232,.28);
 transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.header-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(67,86,232,.36);filter:brightness(1.04)}

/* ============ HERO ============ */
.cat-hero{
 position:relative;overflow:hidden;background:#0f1830;
 padding:60px 0 118px;
 clip-path:polygon(0 0,100% 0,100% 86%,0 100%);
}
.cat-hero .hero-bg{
 position:absolute;inset:0;
 background-image:url('/assets/images/backpic/back-2.webp');
 background-size:cover;background-position:center;
 opacity:.3;
}
.cat-hero::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(900px 460px at 6% 0%,rgba(67,86,232,.55),transparent 62%),
 linear-gradient(180deg,rgba(16,26,51,.82) 0%,rgba(16,26,51,.95) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.brand-chip{
 display:inline-flex;align-items:center;gap:7px;
 background:rgba(255,255,255,.14);color:#dfe5ff;
 border:1px solid rgba(255,255,255,.22);
 font-size:13px;font-weight:700;letter-spacing:.06em;
 padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.brand-chip i{font-size:14px;color:#aab6ff}
.cat-hero h1{
 font-size:clamp(2rem,3.9vw,3rem);line-height:1.24;font-weight:800;
 color:#fff;letter-spacing:-.02em;margin:0 0 14px;
}
.hero-sub{font-size:1.02rem;font-weight:600;color:#b9c4f2;margin:0 0 16px}
.hero-lead{font-size:15.5px;line-height:1.85;color:#cfd6ee;max-width:56ch;margin:0 0 26px}
.hero-lead strong{color:#fff;font-weight:700}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.btn-main{
 display:inline-flex;align-items:center;gap:8px;
 background:var(--grad);color:#fff;font-weight:600;font-size:15px;
 padding:12px 24px;border-radius:10px;border:0;
 box-shadow:0 10px 24px rgba(67,86,232,.3);
 transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(67,86,232,.38);filter:brightness(1.05)}
.btn-ghost{
 display:inline-flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.9);color:var(--brand-deep);font-weight:600;font-size:15px;
 padding:12px 22px;border-radius:10px;border:1px solid #ccd4f7;
 transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.btn-ghost:hover{background:#fff;color:var(--brand-deep);transform:translateY(-2px);border-color:var(--brand)}
.tag-row{display:flex;flex-wrap:wrap;gap:9px}
.tag-pill{
 font-size:13px;font-weight:600;color:#cfd6ee;
 background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);
 border-radius:999px;padding:6px 14px;
 transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease;
}
.tag-pill:hover{border-color:#aab6ff;color:#fff;background:rgba(255,255,255,.16);transform:translateY(-2px)}
.hero-visual{position:relative}
.hero-visual img{
 width:100%;aspect-ratio:16/11;object-fit:cover;
 border-radius:var(--radius-lg);
 border:1px solid rgba(255,255,255,.22);
 box-shadow:var(--shadow-lg);
}
.hero-visual .visual-badge{
 position:absolute;left:18px;bottom:18px;
 display:inline-flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.94);color:var(--brand-deep);
 font-size:13px;font-weight:700;padding:8px 14px;border-radius:999px;
 box-shadow:var(--shadow-sm);
}

/* ============ SECTION ============ */
.section{padding:74px 0}
.section-soft{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-tint{background:linear-gradient(180deg,#eef1fb 0%,#f7f8fd 100%)}
.section-dark{background:var(--dark);color:#e8ecf8}
.section-dark .sec-title{color:#fff}
.section-dark .sec-desc{color:#a9b4d2}
.sec-head{margin-bottom:36px;max-width:780px}
.sec-eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;font-weight:700;letter-spacing:.1em;
 color:var(--brand);margin-bottom:10px;
}
.sec-eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad)}
.section-dark .sec-eyebrow{color:#8fa0ff}
.sec-title{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:800;letter-spacing:-.01em;margin:0 0 12px}
.sec-desc{color:var(--muted);font-size:15px;margin:0}

/* ============ 技巧卡片 ============ */
.tip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tip-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 22px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d2f7}
.tip-icon{
 width:44px;height:44px;border-radius:13px;background:var(--brand-soft);color:var(--brand-deep);
 display:grid;place-items:center;font-size:20px;margin-bottom:16px;
}
.tip-card h3{font-size:16.5px;font-weight:800;margin:0 0 9px;color:var(--ink)}
.tip-card p{font-size:14px;line-height:1.78;color:var(--ink-2);margin:0 0 14px}
.mini-tag{
 display:inline-block;font-size:12px;font-weight:600;color:var(--brand-deep);
 background:var(--brand-soft);border-radius:999px;padding:4px 11px;
}

/* ============ 局势分栏 ============ */
.scene-split{display:grid;grid-template-columns:.95fr 1.05fr;gap:46px;align-items:center}
.scene-figure{position:relative}
.scene-figure img{
 width:100%;aspect-ratio:4/3;object-fit:cover;
 border-radius:var(--radius-lg);box-shadow:var(--shadow-md);
 border:1px solid var(--line);
}
.scene-figure figcaption{
 position:absolute;right:16px;top:16px;
 background:rgba(15,23,41,.82);color:#fff;font-size:12.5px;font-weight:600;
 padding:6px 13px;border-radius:999px;backdrop-filter:blur(6px);
}
.scene-item{
 position:relative;padding:18px 20px 18px 22px;margin-bottom:14px;
 background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--brand);
 border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease;
}
.scene-item:last-child{margin-bottom:0}
.scene-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md)}
.scene-item h3{font-size:15.5px;font-weight:800;margin:0 0 6px}
.scene-item p{font-size:14px;color:var(--ink-2);margin:0}
.scene-item .scene-idx{
 position:absolute;right:16px;top:14px;font-size:12px;font-weight:800;
 color:#c2cbee;letter-spacing:.08em;
}

/* ============ 步骤 ============ */
.step-track{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 22px;box-shadow:var(--shadow-sm);position:relative;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d2f7}
.step-num{
 width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
 display:grid;place-items:center;font-weight:800;font-size:15px;margin-bottom:16px;
 box-shadow:0 8px 18px rgba(67,86,232,.28);
}
.step-item h3{font-size:15.5px;font-weight:800;margin:0 0 8px}
.step-item p{font-size:14px;color:var(--ink-2);margin:0;line-height:1.76}

/* ============ 误区 + 数据 ============ */
.trap-split{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:start}
.trap-item{
 display:flex;gap:16px;padding:18px 20px;margin-bottom:12px;
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
 border-radius:var(--radius-sm);
 transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.trap-item:hover{background:rgba(255,255,255,.09);border-color:rgba(143,160,255,.5);transform:translateX(4px)}
.trap-item i{font-size:19px;color:#ff9d7a;flex:0 0 auto;margin-top:2px}
.trap-item strong{display:block;color:#fff;font-size:15.5px;font-weight:800;margin-bottom:4px}
.trap-item span{font-size:14px;color:#b7c1dd;line-height:1.76}
.metric-panel{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-md);
}
.metric-panel h3{font-size:15px;font-weight:800;color:#fff;margin:0 0 18px;letter-spacing:.02em}
.metric-item{
 display:flex;align-items:baseline;justify-content:space-between;gap:14px;
 padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.16);
}
.metric-item:last-child{border-bottom:0;padding-bottom:0}
.metric-label{font-size:13.5px;color:#a9b4d2}
.metric-value{font-size:19px;font-weight:800;color:#8fa0ff;letter-spacing:-.01em;white-space:nowrap}
.metric-value small{font-size:12px;font-weight:600;color:#a9b4d2;margin-left:3px}

/* ============ 反馈 ============ */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.voice-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d2f7}
.voice-quote{font-size:14.5px;line-height:1.82;color:var(--ink-2);margin:0 0 18px}
.voice-meta{display:flex;align-items:center;gap:11px}
.voice-avatar{
 width:38px;height:38px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);
 display:grid;place-items:center;font-weight:800;font-size:14px;flex:0 0 auto;
}
.voice-name{font-size:14px;font-weight:700;color:var(--ink);line-height:1.3}
.voice-role{font-size:12.5px;color:var(--muted)}

/* ============ 频道入口 ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{
 display:block;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9d2f7;color:inherit}
.channel-card .ch-icon{
 width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--brand-deep);
 display:grid;place-items:center;font-size:19px;margin-bottom:16px;
}
.channel-card h3{font-size:16.5px;font-weight:800;margin:0 0 8px}
.channel-card p{font-size:14px;color:var(--ink-2);margin:0 0 14px;line-height:1.76}
.channel-more{font-size:13.5px;font-weight:700;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px}
.channel-card:hover .channel-more{color:var(--brand)}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.news-card{
 display:block;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:24px 24px 22px;box-shadow:var(--shadow-sm);
 position:relative;overflow:hidden;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card::before{
 content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
 background:var(--grad);opacity:.85;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d2f7;color:inherit}
.news-card-cat{
 display:inline-block;font-size:12px;font-weight:700;color:var(--brand-deep);
 background:var(--brand-soft);border-radius:999px;padding:4px 11px;margin-bottom:11px;
}
.news-card-title{font-size:16px;font-weight:800;margin:0 0 9px;line-height:1.5}
.news-card-text{font-size:13.8px;color:var(--ink-2);margin:0 0 14px;line-height:1.76}
.news-card-date{font-size:12.5px;color:var(--muted);font-weight:600}
.empty-note{
 text-align:center;color:var(--muted);font-size:15px;
 background:var(--surface);border:1px dashed var(--line);
 border-radius:var(--radius);padding:36px 20px;margin:0;
}

/* ============ FAQ ============ */
.faq-list{max-width:900px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 margin-bottom:12px;overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#c9d2f7;box-shadow:var(--shadow-sm)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 font-size:15.5px;font-weight:700;color:var(--ink);
 min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";font-size:20px;font-weight:700;color:var(--brand);line-height:1;
 transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--ink-2);line-height:1.82}

/* ============ CTA ============ */
.cta-band{
 position:relative;overflow:hidden;
 background:var(--grad);color:#fff;
 border-radius:var(--radius-lg);padding:44px 42px;
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
 box-shadow:var(--shadow-lg);
}
.cta-band::after{
 content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;
 border-radius:50%;background:rgba(255,255,255,.12);
}
.cta-band h2{font-size:clamp(1.3rem,2.2vw,1.65rem);font-weight:800;margin:0 0 8px;position:relative;z-index:1}
.cta-band p{margin:0;font-size:14.5px;color:#e2e6ff;max-width:56ch;position:relative;z-index:1}
.btn-light{
 display:inline-flex;align-items:center;gap:8px;
 background:#fff;color:var(--brand-deep);font-weight:700;font-size:15px;
 padding:12px 26px;border-radius:10px;border:0;position:relative;z-index:1;
 box-shadow:0 10px 24px rgba(15,23,41,.18);
 transition:transform .2s ease,box-shadow .2s ease;
}
.btn-light:hover{color:var(--brand-deep);transform:translateY(-2px);box-shadow:0 16px 30px rgba(15,23,41,.24)}

/* ============ FOOTER ============ */
.site-footer{background:#0d1428;color:#b8c1da;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:#fff;margin-bottom:14px}
.site-footer p{font-size:14px;line-height:1.8;color:#9aa5c2;margin:0;max-width:42ch}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin:0 0 14px;letter-spacing:.02em}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:14px;color:#9aa5c2;transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
 padding-top:22px;font-size:13px;color:#7e89a6;
}

/* ============ TABBAR ============ */
.tabbar{display:none}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:34px}
 .hero-visual{max-width:560px}
 .tip-grid{grid-template-columns:repeat(2,1fr)}
 .step-track{grid-template-columns:repeat(2,1fr)}
 .scene-split{grid-template-columns:1fr;gap:30px}
 .trap-split{grid-template-columns:1fr;gap:28px}
 .voice-grid{grid-template-columns:1fr}
 .channel-grid{grid-template-columns:1fr}
 .news-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .section{padding:60px 0}
}
@media (max-width:860px){
 .main-nav{display:none}
 .header-cta{margin-left:auto}
 .cat-hero{padding:46px 0 96px;clip-path:polygon(0 0,100% 0,100% 92%,0 100%)}
 .tabbar{
  display:grid;grid-template-columns:repeat(4,1fr);
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:rgba(255,255,255,.97);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding:6px 6px calc(6px + env(safe-area-inset-bottom));
  box-shadow:0 -6px 20px rgba(15,23,41,.08);
 }
 .tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-height:44px;padding:5px 2px;border-radius:10px;
  font-size:11.5px;font-weight:600;color:var(--muted);
 }
 .tabbar a i{font-size:18px;line-height:1}
 .tabbar a.active{color:var(--brand-deep);background:var(--brand-soft)}
 body{padding-bottom:74px}
 .cta-band{padding:34px 26px}
}
@media (max-width:640px){
 .tip-grid{grid-template-columns:1fr}
 .step-track{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr}
 .header-cta{display:none}
 .cat-hero{padding:38px 0 84px}
 .section{padding:48px 0}
 .cta-band h2{font-size:1.25rem}
 .brand-chip{font-size:12px}
 .hero-visual .visual-badge{left:12px;bottom:12px;font-size:12px}
}
@media (max-width:420px){
 .menu-toggle{display:none}
 .logo{font-size:16px}
 .tag-pill{font-size:12px;padding:5px 11px}
 .news-card{padding:20px 18px}
}

/* roulang page: category3 */
:root{
 --brand:#4356e8;
 --brand-2:#7b5cff;
 --brand-deep:#2c37a8;
 --brand-soft:#eef1ff;
 --ink:#0f1729;
 --ink-2:#3b4763;
 --muted:#6d7893;
 --bg:#f5f6fb;
 --surface:#ffffff;
 --line:#e5e9f4;
 --accent:#f0a132;
 --accent-soft:#fff6e8;
 --ok:#17b890;
 --dark:#111a33;
 --radius-lg:22px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(15,23,41,.05);
 --shadow-md:0 12px 32px rgba(15,23,41,.08);
 --shadow-lg:0 26px 60px rgba(15,23,41,.14);
 --grad:linear-gradient(135deg,#4356e8 0%,#7b5cff 100%);
 --grad-soft:linear-gradient(160deg,#ffffff 0%,#f6f7ff 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;line-height:1.78;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(67,86,232,.45);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
/* ============ HEADER ============ */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.92);
 backdrop-filter:saturate(180%) blur(14px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(15,23,41,.09)}
.header-inner{height:64px;display:flex;align-items:center;gap:26px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:.01em;color:var(--ink);flex:0 0 auto}
.logo:hover{color:var(--ink)}
.logo-mark{
 width:34px;height:34px;border-radius:11px;background:var(--grad);
 display:grid;place-items:center;color:#fff;font-size:16px;
 box-shadow:0 6px 16px rgba(67,86,232,.32);
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
 padding:8px 14px;border-radius:9px;font-size:15px;font-weight:500;color:var(--ink-2);
 transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-link.active{color:var(--brand-deep);background:var(--brand-soft);font-weight:700}
.header-cta{
 margin-left:8px;flex:0 0 auto;
 display:inline-flex;align-items:center;gap:7px;
 background:var(--grad);color:#fff;font-size:14.5px;font-weight:600;
 padding:10px 18px;border-radius:10px;border:0;
 box-shadow:0 8px 20px rgba(67,86,232,.28);
 transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.header-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(67,86,232,.36);filter:brightness(1.04)}
/* ============ MOBILE TABBAR ============ */
.mobile-tabbar{display:none}
/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;padding:56px 0 54px;background:#101a33}
.hero-bg{
 position:absolute;inset:0;
 background-image:url('/assets/images/backpic/back-3.webp');
 background-size:cover;background-position:center;opacity:.32;
}
.hero::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(1000px 480px at 12% 0%,rgba(67,86,232,.48),transparent 62%),
 linear-gradient(180deg,rgba(16,26,51,.88) 0%,rgba(16,26,51,.95) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.brand-chip{
 display:inline-flex;align-items:center;gap:7px;
 background:rgba(255,255,255,.14);color:#dfe4ff;
 font-size:13px;font-weight:700;letter-spacing:.05em;
 padding:6px 14px;border-radius:999px;margin-bottom:18px;
 border:1px solid rgba(255,255,255,.18);
}
.hero h1{
 font-size:clamp(1.9rem,3.4vw,2.7rem);
 font-weight:800;line-height:1.28;letter-spacing:-.02em;
 color:#fff;margin-bottom:14px;
}
.hero-sub{font-size:1.02rem;color:#c3ccf1;font-weight:600;margin-bottom:16px}
.hero-lead{font-size:15.5px;line-height:1.82;color:#b7c1de;margin-bottom:24px;max-width:58ch}
.hero-lead strong{color:#fff;font-weight:700}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.btn-main{
 display:inline-flex;align-items:center;gap:8px;
 background:var(--grad);color:#fff;font-weight:600;font-size:15px;
 padding:12px 24px;border-radius:10px;border:0;cursor:pointer;
 box-shadow:0 10px 24px rgba(67,86,232,.3);
 transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-main:hover,.btn-main:focus{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(67,86,232,.38);filter:brightness(1.05)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
 display:inline-flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.94);color:var(--brand-deep);font-weight:600;font-size:15px;
 padding:12px 22px;border-radius:10px;border:1px solid #ccd4f7;cursor:pointer;
 transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.btn-ghost:hover{background:#fff;color:var(--brand-deep);transform:translateY(-2px);border-color:var(--brand)}
.tag-row{display:flex;flex-wrap:wrap;gap:9px}
.tag-pill{
 font-size:13px;font-weight:600;color:#d3daf5;
 background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);
 border-radius:999px;padding:6px 14px;
 transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease;
}
.tag-pill:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px)}
.eval-panel{
 background:rgba(255,255,255,.98);
 border-radius:var(--radius-lg);
 padding:26px 26px 24px;
 box-shadow:var(--shadow-lg);
 border:1px solid rgba(255,255,255,.8);
}
.eval-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.eval-head h2{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.eval-score{
 display:inline-flex;align-items:baseline;gap:3px;
 background:var(--brand-soft);color:var(--brand-deep);
 font-weight:800;font-size:19px;padding:4px 12px;border-radius:10px;
}
.eval-score small{font-size:11.5px;font-weight:600;color:var(--muted)}
.eval-note{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.eval-row{margin-bottom:14px}
.eval-row:last-child{margin-bottom:0}
.eval-row-top{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.eval-row-top b{color:var(--brand-deep);font-weight:800}
.bar{height:8px;border-radius:999px;background:#e9edfb;overflow:hidden}
.bar span{display:block;height:100%;border-radius:999px;background:var(--grad);transition:width .8s ease}
.eval-foot{
 margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
 display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);
}
.eval-foot i{color:var(--ok);font-size:15px}
/* ============ SECTION ============ */
.section{padding:74px 0}
.section-soft{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-tint{background:linear-gradient(180deg,#eef1fb 0%,#f7f8fd 100%)}
.section-dark{background:var(--dark);color:#e8ecf8}
.section-dark .sec-title{color:#fff}
.section-dark .sec-desc{color:#a9b4d2}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-deep);
 background:var(--brand-soft);padding:5px 13px;border-radius:999px;margin-bottom:14px;
}
.section-dark .sec-kicker{background:rgba(123,92,255,.24);color:#cdd4ff}
.sec-title{
 font-size:clamp(1.42rem,2.3vw,1.92rem);
 font-weight:800;letter-spacing:-.01em;color:var(--ink);margin-bottom:12px;line-height:1.36;
}
.sec-title .accent{color:var(--brand)}
.sec-desc{font-size:15.5px;line-height:1.8;color:var(--ink-2)}
/* ============ CARDS ============ */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card-grid.three{grid-template-columns:repeat(3,1fr)}
.card-grid.two{grid-template-columns:repeat(2,1fr)}
.info-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:26px 24px;
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
 height:100%;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8f8}
.card-icon{
 width:44px;height:44px;border-radius:13px;
 display:grid;place-items:center;font-size:19px;
 background:var(--brand-soft);color:var(--brand-deep);margin-bottom:16px;
}
.card-icon.warm{background:var(--accent-soft);color:#b5741b}
.card-icon.mint{background:#e6f8f2;color:#0f9c78}
.card-title{font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:9px;line-height:1.5}
.card-text{font-size:14.5px;line-height:1.78;color:var(--ink-2)}
.mini-tag{
 display:inline-block;margin-top:14px;
 font-size:12.5px;font-weight:700;color:var(--brand-deep);
 background:var(--brand-soft);border-radius:999px;padding:4px 12px;
}
/* ============ SCORE DIMENSIONS ============ */
.dim-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.dim-card{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:26px 24px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%;
}
.dim-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8f8}
.dim-top{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:12px}
.dim-top h3{font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.5;margin:0}
.score-badge{
 flex:0 0 auto;display:inline-flex;align-items:baseline;gap:2px;
 background:var(--grad);color:#fff;font-weight:800;font-size:15px;
 padding:4px 11px;border-radius:9px;box-shadow:0 6px 14px rgba(67,86,232,.26);
}
.score-badge small{font-size:10.5px;font-weight:600;opacity:.8}
.dim-card p{font-size:14.5px;line-height:1.78;color:var(--ink-2);margin:0}
.dim-card .mini-tag{margin-top:14px}
/* ============ STEPS ============ */
.step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 22px;box-shadow:var(--shadow-sm);position:relative;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%;
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8f8}
.step-num{
 display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;
 background:var(--grad);color:#fff;font-weight:800;font-size:15px;margin-bottom:14px;
 box-shadow:0 8px 18px rgba(67,86,232,.24);
}
.step-item h3{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:8px;line-height:1.5}
.step-item p{font-size:14.5px;line-height:1.78;color:var(--ink-2);margin:0}
/* ============ STATS ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-bottom:30px}
.stat-card{
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:24px 22px;
 transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(123,92,255,.6);background:rgba(255,255,255,.1)}
.stat-num{font-size:2rem;font-weight:800;letter-spacing:-.02em;color:#fff;line-height:1.2;margin-bottom:6px}
.stat-num em{font-style:normal;font-size:1rem;font-weight:700;color:#9aa8e0;margin-left:3px}
.stat-label{font-size:13.5px;color:#a9b4d2}
.stat-note{
 border-left:3px solid var(--brand-2);
 background:rgba(123,92,255,.12);
 border-radius:0 var(--radius-sm) var(--radius-sm) 0;
 padding:16px 20px;font-size:14.5px;line-height:1.78;color:#c8d0ec;
}
/* ============ VOICES ============ */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.voice-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8f8}
.voice-quote{font-size:15px;line-height:1.8;color:var(--ink-2);margin-bottom:18px;position:relative;padding-left:20px}
.voice-quote::before{
 content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
 border-radius:3px;background:var(--grad);
}
.voice-meta{display:flex;align-items:center;gap:12px}
.avatar{
 width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-deep);font-weight:800;font-size:15px;
 flex:0 0 auto;
}
.voice-name{font-size:14.5px;font-weight:800;color:var(--ink);line-height:1.4}
.voice-role{font-size:12.5px;color:var(--muted)}
/* ============ FIT ============ */
.fit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.fit-card{
 display:flex;gap:16px;
 background:var(--grad-soft);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.fit-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8f8}
.fit-ico{
 flex:0 0 auto;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
 background:var(--surface);color:var(--brand-deep);font-size:18px;border:1px solid var(--line);
}
.fit-card h3{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:7px;line-height:1.5}
.fit-card p{font-size:14.5px;line-height:1.78;color:var(--ink-2);margin:0}
/* ============ NEWS ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
 display:block;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8f8;color:inherit}
.news-cat{
 display:inline-block;font-size:12.5px;font-weight:700;color:var(--brand-deep);
 background:var(--brand-soft);border-radius:999px;padding:3px 11px;margin-bottom:12px;
}
.news-card h3{font-size:16px;font-weight:800;color:var(--ink);line-height:1.55;margin-bottom:9px}
.news-card p{font-size:14px;line-height:1.75;color:var(--ink-2);margin-bottom:14px}
.news-date{font-size:12.5px;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.news-empty{
 background:var(--surface);border:1px dashed #ccd4f7;border-radius:var(--radius);
 padding:34px 24px;text-align:center;font-size:14.5px;color:var(--muted);
}
.news-figure{
 border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
 box-shadow:var(--shadow-md);margin-bottom:34px;
}
.news-figure img{width:100%;height:260px;object-fit:cover}
/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#cfd8f8;box-shadow:var(--shadow-md)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:19px 24px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:8px;
 display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-deep);
 font-weight:800;font-size:16px;line-height:1;transition:transform .2s ease,background .2s ease;
}
.faq-item[open] summary::after{content:"–";background:var(--brand);color:#fff}
.faq-body{padding:0 24px 22px;font-size:14.8px;line-height:1.82;color:var(--ink-2)}
/* ============ CTA ============ */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 background:var(--grad);color:#fff;padding:44px 44px;
 box-shadow:var(--shadow-lg);
 display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::after{
 content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;
 border-radius:50%;background:rgba(255,255,255,.12);
}
.cta-band h2{font-size:clamp(1.3rem,2.1vw,1.72rem);font-weight:800;margin-bottom:10px;line-height:1.4;position:relative;z-index:1}
.cta-band p{font-size:15px;color:rgba(255,255,255,.86);max-width:56ch;position:relative;z-index:1}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.btn-light{
 display:inline-flex;align-items:center;gap:8px;
 background:#fff;color:var(--brand-deep);font-weight:700;font-size:15px;
 padding:12px 24px;border-radius:10px;border:0;cursor:pointer;
 box-shadow:0 10px 24px rgba(15,23,41,.18);
 transition:transform .2s ease,box-shadow .2s ease;
}
.btn-light:hover{color:var(--brand-deep);transform:translateY(-2px);box-shadow:0 16px 30px rgba(15,23,41,.24)}
.btn-outline-light2{
 display:inline-flex;align-items:center;gap:8px;
 background:transparent;color:#fff;font-weight:700;font-size:15px;
 padding:12px 22px;border-radius:10px;border:1.5px solid rgba(255,255,255,.62);cursor:pointer;
 transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-outline-light2:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);border-color:#fff}
/* ============ FOOTER ============ */
.site-footer{
 background:#0d1528;color:#a9b4d2;padding:60px 0 0;margin-top:0;
 border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
 display:grid;grid-template-columns:1.45fr 1fr 1fr;gap:40px;
 padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{
 display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px;
}
.footer-brand .logo-mark{width:34px;height:34px;border-radius:11px}
.site-footer p{font-size:14.5px;line-height:1.8;color:#98a3c2;max-width:42ch}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin:0 0 16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14.5px;color:#98a3c2;transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{
 display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
 padding:22px 0 26px;font-size:13.5px;color:#7f8aab;
}
/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:32px}
 .card-grid{grid-template-columns:repeat(2,1fr)}
 .dim-grid{grid-template-columns:repeat(2,1fr)}
 .step-list{grid-template-columns:repeat(2,1fr)}
 .stat-grid{grid-template-columns:repeat(2,1fr)}
 .voice-grid,.fit-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
 .footer-grid > div:first-child{grid-column:1 / -1}
 .cta-band{padding:36px 30px}
}
@media (max-width:768px){
 .main-nav,.header-cta{display:none}
 .header-inner{height:60px;justify-content:space-between}
 .hero{padding:40px 0 38px}
 .section{padding:54px 0}
 .card-grid,.card-grid.three,.card-grid.two{grid-template-columns:1fr}
 .dim-grid,.step-list,.voice-grid,.fit-grid,.news-grid,.stat-grid{grid-template-columns:1fr}
 .news-figure img{height:190px}
 .cta-band{padding:30px 24px;flex-direction:column;align-items:flex-start}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
 body{padding-bottom:72px}
 .mobile-tabbar{
  display:grid;grid-template-columns:repeat(4,1fr);
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:rgba(255,255,255,.97);
  backdrop-filter:saturate(180%) blur(14px);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 22px rgba(15,23,41,.08);
  padding:6px 4px calc(6px + env(safe-area-inset-bottom,0px));
 }
 .tab-link{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-height:48px;border-radius:10px;font-size:11.5px;font-weight:600;color:var(--muted);
  transition:color .2s ease,background .2s ease;
 }
 .tab-link i{font-size:18px}
 .tab-link.active{color:var(--brand-deep);background:var(--brand-soft);font-weight:800}
 .tab-link:hover{color:var(--brand-deep)}
}
@media (max-width:520px){
 .eval-panel{padding:20px}
 .info-card,.dim-card,.voice-card,.step-item{padding:22px 18px}
 .cta-band h2{font-size:1.2rem}
 .hero h1{font-size:1.62rem}
 .news-card{padding:20px 18px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}