/* roulang page: index */
:root{
  --ink:#111318;
  --ink-deep:#0E1013;
  --accent:#12D8B0;
  --accent-hover:#0EB99A;
  --accent-soft:#E6FBF6;
  --coral:#FF6B4A;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --band:#EFEDE7;
  --text:#14161A;
  --text-2:#5C6169;
  --text-3:#8A9099;
  --line:#E3E0D8;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(17,19,24,.04),0 8px 24px -12px rgba(17,19,24,.10);
  --shadow-2:0 12px 32px -12px rgba(17,19,24,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec-y:96px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  padding-bottom:78px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block;}
a,a:hover,a:focus,a:active{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,textarea{font-family:inherit;font-size:16px;}
::selection{background:var(--accent);color:var(--ink);}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

/* ---------- layout ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding:var(--sec-y) 0;}
.section--band{background:var(--band);}
.section--tight{padding:72px 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px;}
.section-head h2{font-size:30px;line-height:1.25;font-weight:800;letter-spacing:-.02em;}
.section-head .section-sub{color:var(--text-2);font-size:15px;margin-top:6px;}
.text-link{color:var(--ink);font-weight:600;font-size:15px;position:relative;padding-bottom:3px;display:inline-flex;align-items:center;gap:6px;transition:color .18s var(--ease);}
.text-link::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--accent);transform:scaleX(.45);transform-origin:left;transition:transform .22s var(--ease);}
.text-link:hover{color:var(--accent-hover);}
.text-link:hover::after{transform:scaleX(1);}
.text-link i{transition:transform .18s var(--ease);}
.text-link:hover i{transform:translateX(2px);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--ink);color:#fff;}
.btn--primary:hover{background:var(--accent);color:var(--ink);transform:translateY(-1px);}
.btn--ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn--ghost:hover{background:var(--band);transform:translateY(-1px);}
.btn--light{background:#fff;color:var(--ink);}
.btn--light:hover{background:var(--accent);color:var(--ink);transform:translateY(-1px);}
.btn--sm{height:40px;padding:0 20px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled]{opacity:.4;pointer-events:none;}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;}
.badge--dark{background:var(--ink);color:#fff;}
.badge--accent{background:var(--accent-soft);color:#0A8F76;}
.badge--sand{background:var(--band);color:var(--text-2);}
.badge--coral{background:rgba(255,107,74,.12);color:#D84424;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,240,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.header-top{transition:height .2s var(--ease);}
.header-top__inner{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;}
.brand__text{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--ink);}
.header-search{flex:1 1 auto;max-width:420px;position:relative;display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);height:48px;padding:0 6px 0 16px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);}
.header-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px rgba(18,216,176,.35);}
.header-search input{flex:1 1 auto;border:0;background:transparent;height:100%;outline:none;color:var(--text);min-width:0;}
.header-search input::placeholder{color:var(--text-3);}
.header-search button{width:38px;height:38px;border-radius:8px;background:var(--band);color:var(--ink);display:flex;align-items:center;justify-content:center;transition:background .18s var(--ease);}
.header-search button:hover{background:var(--accent);}
.header-cta{flex:0 0 auto;}
.header-tabs{border-top:1px solid var(--line);}
.tab-list{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;}
.tab-list::-webkit-scrollbar{display:none;}
.tab{display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--text-2);white-space:nowrap;scroll-snap-align:start;transition:background .18s var(--ease),color .18s var(--ease);}
.tab:hover{background:var(--band);color:var(--ink);}
.tab.is-active{background:var(--ink);color:#fff;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;background:#fff;border:1px solid var(--line);flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--bg);padding:16px 0 20px;}
.mobile-panel.is-open{display:block;}
.mobile-panel .header-search{max-width:none;margin-bottom:12px;}
.site-header.is-scrolled{box-shadow:0 10px 30px -18px rgba(17,19,24,.35);}
.site-header.is-scrolled .header-top__inner{height:56px;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:76px 0 88px;background:var(--bg);}
.hero::before{content:"九游官网入口";position:absolute;top:12px;left:-8px;font-size:150px;font-weight:800;letter-spacing:-.04em;color:rgba(17,19,24,.028);white-space:nowrap;pointer-events:none;user-select:none;line-height:1;}
.hero__inner{position:relative;z-index:1;}
.hero__copy{padding-right:8px;}
.hero__badge{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);background:var(--accent-soft);color:#0A8F76;font-size:13px;font-weight:700;letter-spacing:.02em;}
.hero h1{margin-top:20px;font-size:46px;line-height:1.15;font-weight:800;letter-spacing:-.02em;color:var(--ink);}
.hero__sub{margin-top:18px;font-size:17px;color:var(--text-2);max-width:520px;}
.hero__actions{display:flex;align-items:center;gap:18px;margin-top:30px;flex-wrap:wrap;}
.hero__trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.hero__trust li{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-2);background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:5px 13px;}
.hero__trust i{color:var(--accent);font-size:12px;}
.hero__media{position:relative;}
.hero__media img{width:100%;border-radius:var(--r-card);object-fit:cover;aspect-ratio:16/12;background:var(--band);}
.hero__float{position:absolute;left:-18px;bottom:26px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:16px 20px;display:flex;align-items:center;gap:14px;}
.hero__float strong{display:block;font-size:24px;font-weight:800;letter-spacing:-.03em;color:var(--ink);line-height:1.1;}
.hero__float span{font-size:13px;color:var(--text-2);}

/* ---------- feature block ---------- */
.feature-grid{margin-top:8px;}
.feature-card{border-radius:var(--r-card);padding:36px 32px;position:relative;overflow:hidden;transition:transform .2s var(--ease),box-shadow .2s var(--ease);}
.feature-card--dark{background:var(--ink-deep);color:#F2F1EC;border:1px solid rgba(255,255,255,.08);min-height:320px;display:flex;flex-direction:column;justify-content:space-between;margin-bottom:24px;}
.feature-card--light{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);min-height:148px;}
.feature-card--light:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.feature-card--offset{margin-top:28px;}
.feature-card__idx{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--accent);}
.feature-card h3{font-size:22px;font-weight:800;letter-spacing:-.01em;margin-top:14px;line-height:1.35;}
.feature-card--dark h3{color:#fff;font-size:26px;}
.feature-card p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--text-2);}
.feature-card--dark p{color:rgba(242,241,236,.72);}
.feature-card__icon{width:42px;height:42px;border-radius:12px;background:var(--accent-soft);color:#0A8F76;display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:16px;}
.feature-card--dark .feature-card__icon{background:rgba(18,216,176,.14);color:var(--accent);}
.feature-card__foot{margin-top:24px;font-size:13px;color:rgba(242,241,236,.5);display:flex;align-items:center;gap:8px;}

/* ---------- scene ---------- */
.scene-row{display:flex;align-items:center;gap:56px;margin-bottom:72px;}
.scene-row:last-child{margin-bottom:0;}
.scene-row--reverse{flex-direction:row-reverse;}
.scene-media{flex:1 1 52%;position:relative;}
.scene-media img{width:100%;border-radius:var(--r-card);object-fit:cover;background:var(--band);}
.scene-row:nth-child(1) .scene-media img{aspect-ratio:16/10;}
.scene-row:nth-child(2) .scene-media img{aspect-ratio:16/11;}
.scene-row:nth-child(3) .scene-media img{aspect-ratio:16/9;}
.scene-copy{flex:1 1 48%;}
.scene-copy .scene-num{font-size:13px;font-weight:800;letter-spacing:.2em;color:var(--accent-hover);}
.scene-copy h3{font-size:26px;font-weight:800;letter-spacing:-.01em;margin-top:14px;line-height:1.35;}
.scene-copy p{margin-top:14px;font-size:16px;color:var(--text-2);}
.scene-list{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.scene-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.7;}
.scene-list i{color:var(--accent);margin-top:5px;font-size:13px;}

/* ---------- news ---------- */
.news-grid{margin-top:-12px;}
.news-grid > .cell{margin-bottom:24px;}
.news-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;height:100%;display:flex;flex-direction:column;box-shadow:var(--shadow-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6D2C7;}
.news-card__media{overflow:hidden;background:var(--band);aspect-ratio:16/9;}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.news-card:hover .news-card__media img{transform:scale(1.03);}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-card__title{margin-top:12px;font-size:20px;font-weight:700;line-height:1.4;letter-spacing:-.01em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__title a{transition:color .18s var(--ease);}
.news-card:hover .news-card__title a{color:var(--accent-hover);}
.news-card__desc{margin-top:10px;font-size:15px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--text-3);border-top:1px solid var(--line);}
.news-card__more{color:var(--ink);font-weight:600;display:inline-flex;align-items:center;gap:5px;}
.news-card:hover .news-card__more i{transform:translateX(2px);}
.news-card__more i{transition:transform .18s var(--ease);}
.news-card__cover-link{position:absolute;inset:0;z-index:2;}
.empty-state{background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:56px 24px;text-align:center;}
.empty-state i{font-size:34px;color:var(--text-3);}
.empty-state p{margin-top:14px;font-size:15px;color:var(--text-2);}
.empty-state .btn{margin-top:20px;}

/* ---------- proof ---------- */
.proof-band{background:var(--ink-deep);color:#F2F1EC;border-radius:20px;padding:44px 40px;border:1px solid rgba(255,255,255,.08);}
.proof-item{text-align:left;padding:8px 0;}
.proof-item strong{display:block;font-size:40px;font-weight:800;letter-spacing:-.04em;line-height:1.05;color:#fff;}
.proof-item span{display:block;margin-top:8px;font-size:14px;color:rgba(242,241,236,.66);}
.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 26px 24px;height:100%;box-shadow:var(--shadow-1);}
.quote-card__head{display:flex;align-items:center;gap:12px;}
.quote-card__avatar{width:42px;height:42px;border-radius:12px;background:var(--accent-soft);color:#0A8F76;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;}
.quote-card__name{font-size:15px;font-weight:700;color:var(--ink);}
.quote-card__role{font-size:13px;color:var(--text-3);}
.quote-card p{margin-top:16px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-wrap .accordion{background:transparent;border:0;}
.faq-wrap .accordion-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;position:relative;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);}
.faq-wrap .accordion-item:hover{border-color:#D6D2C7;box-shadow:var(--shadow-1);}
.faq-wrap .accordion-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);transform:scaleY(0);transform-origin:top;transition:transform .22s var(--ease);}
.faq-wrap .accordion-item.is-active::before{transform:scaleY(1);}
.faq-wrap .accordion-title{border:0;padding:20px 56px 20px 26px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;position:relative;}
.faq-wrap .accordion-title:hover,.faq-wrap .accordion-title:focus{background:transparent;color:var(--accent-hover);}
.faq-wrap .accordion-title::before{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:14px;color:var(--text-3);transition:transform .2s var(--ease),color .2s var(--ease);}
.faq-wrap .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg);color:var(--accent-hover);}
.faq-wrap .accordion-content{border:0;padding:0 26px 22px;font-size:15px;line-height:1.85;color:var(--text-2);background:transparent;}

/* ---------- cta band ---------- */
.cta-band{background:var(--ink-deep);border-radius:22px;padding:56px 48px;color:#F2F1EC;border:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{font-size:30px;font-weight:800;letter-spacing:-.02em;color:#fff;line-height:1.3;}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(242,241,236,.68);max-width:520px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(242,241,236,.7);padding:64px 0 0;margin-top:0;}
.footer-grid{margin-bottom:40px;}
.footer-brand .brand__mark{background:rgba(18,216,176,.14);color:var(--accent);}
.footer-brand .brand__text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--accent);margin-bottom:18px;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;transition:color .18s var(--ease);}
.footer-col a:hover{color:var(--accent);}
.footer-sub{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-card);padding:24px;}
.footer-sub p{font-size:14px;margin-bottom:16px;}
.footer-form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-form input{flex:1 1 180px;height:48px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);color:#fff;padding:0 16px;outline:none;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);}
.footer-form input::placeholder{color:rgba(242,241,236,.4);}
.footer-form input:focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(18,216,176,.3);}
.footer-form .btn{height:48px;background:var(--accent);color:var(--ink);}
.footer-form .btn:hover{background:#fff;color:var(--ink);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(242,241,236,.45);}

/* ---------- sticky cta ---------- */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:55;background:var(--ink-deep);border-top:1px solid rgba(255,255,255,.1);}
.sticky-cta__inner{display:flex;align-items:center;gap:18px;height:64px;}
.sticky-cta__text{flex:1 1 auto;color:rgba(242,241,236,.85);font-size:15px;font-weight:600;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.sticky-cta .btn{background:var(--accent);color:var(--ink);height:42px;}
.sticky-cta .btn:hover{background:#fff;color:var(--ink);}
.sticky-cta__close{width:32px;height:32px;border-radius:50%;color:rgba(242,241,236,.55);font-size:16px;display:flex;align-items:center;justify-content:center;transition:background .18s var(--ease),color .18s var(--ease);}
.sticky-cta__close:hover{background:rgba(255,255,255,.1);color:#fff;}
.sticky-cta.is-hidden{display:none;}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media screen and (max-width:1199px){
  .hero h1{font-size:40px;}
  .hero::before{font-size:120px;}
}
@media screen and (max-width:1023px){
  :root{--sec-y:72px;}
  .header-search{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .hero{padding:56px 0 64px;}
  .hero h1{font-size:34px;}
  .hero__media{margin-top:40px;}
  .hero__float{display:none;}
  .scene-row,.scene-row--reverse{flex-direction:column;gap:28px;margin-bottom:56px;}
  .scene-media,.scene-copy{flex:1 1 100%;width:100%;}
  .cta-band{padding:40px 28px;}
  .cta-band h2{font-size:24px;}
  .proof-band{padding:32px 24px;}
  .proof-item strong{font-size:32px;}
}
@media screen and (max-width:639px){
  :root{--sec-y:56px;}
  .container{padding-left:16px;padding-right:16px;}
  .brand__text{font-size:16px;}
  .hero h1{font-size:29px;}
  .hero__sub{font-size:15px;}
  .hero__actions .btn{width:100%;}
  .hero__actions{gap:12px;}
  .hero::before{font-size:76px;top:20px;}
  .section-head h2{font-size:23px;}
  .feature-card{padding:28px 22px;}
  .feature-card--dark{min-height:auto;}
  .feature-card h3,.scene-copy h3{font-size:20px;}
  .scene-copy h3{font-size:20px;}
  .news-card__title{font-size:18px;}
  .cta-band{border-radius:16px;padding:32px 20px;}
  .cta-band__actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .sticky-cta__text{font-size:13px;}
  .sticky-cta .btn{height:38px;padding:0 16px;font-size:13px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --ink:#111318;
  --ink-deep:#0E1013;
  --cyan:#12D8B0;
  --cyan-dark:#0EB99A;
  --cyan-soft:#E6FBF6;
  --coral:#FF6B4A;
  --bg:#F7F5F0;
  --band:#EFEDE7;
  --card:#FFFFFF;
  --text:#14161A;
  --text-2:#5C6169;
  --text-3:#8A9099;
  --line:#E3E0D8;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-sm:0 1px 2px rgba(17,19,24,.04),0 8px 24px -12px rgba(17,19,24,.10);
  --shadow-lg:0 12px 32px -12px rgba(17,19,24,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0 0 88px;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--text);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--cyan-dark);}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.02em;color:var(--text);line-height:1.2;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}
@media (min-width:1440px){.container{max-width:1280px;}}
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:28px;}
@media (max-width:640px){.section-head h2{font-size:22px;}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--cyan-dark);text-transform:uppercase;margin-bottom:12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
}
.btn--primary{background:var(--ink);color:#fff;}
.btn--primary:hover{background:var(--cyan);color:var(--ink);transform:translateY(-1px);}
.btn--ghost{background:transparent;border:1.5px solid var(--ink);color:var(--ink);}
.btn--ghost:hover{background:var(--band);color:var(--ink);}
.btn--cyan{background:var(--cyan);color:var(--ink);}
.btn--cyan:hover{background:#fff;color:var(--ink);transform:translateY(-1px);}
.btn--sm{height:38px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.link-more{color:var(--cyan-dark);font-weight:600;font-size:15px;border-bottom:2px solid var(--cyan);padding-bottom:2px;transition:border-color .18s var(--ease);}
.link-more:hover{border-color:var(--ink);color:var(--ink);}
.link-more i{margin-left:6px;transition:transform .18s var(--ease);}
.link-more:hover i{transform:translateX(2px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.badge--dark{background:var(--ink);color:#fff;}
.badge--cyan{background:var(--cyan-soft);color:#0B7A66;}
.badge--sand{background:var(--band);color:var(--text-2);}
.badge--coral{background:rgba(255,107,74,.12);color:#C33F22;}
.pill-group{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--text-2);
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.pill:hover{border-color:var(--cyan);color:#0B7A66;background:var(--cyan-soft);}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,240,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .2s var(--ease);}
.site-header.is-scrolled{box-shadow:0 10px 28px -18px rgba(17,19,24,.45);}
.header-main__inner{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--cyan);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;
}
.brand__text{font-size:17px;font-weight:800;letter-spacing:-0.01em;white-space:nowrap;}
.header-search{display:flex;align-items:center;flex:1;max-width:420px;height:44px;background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 6px 0 14px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);}
.header-search:focus-within{border-color:var(--cyan);box-shadow:0 0 0 2px rgba(18,216,176,.25);}
.header-search input{flex:1;border:0;outline:none;background:transparent;font-size:14px;color:var(--text);min-width:0;}
.header-search input::placeholder{color:var(--text-3);}
.header-search button{width:34px;height:34px;border:0;border-radius:8px;background:var(--ink);color:#fff;cursor:pointer;font-size:13px;transition:background .18s var(--ease),color .18s var(--ease);}
.header-search button:hover{background:var(--cyan);color:var(--ink);}
.header-cta{flex-shrink:0;}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--ink);font-size:16px;cursor:pointer;}

.header-tabs{border-top:1px solid var(--line);background:rgba(255,255,255,.6);}
.tab-list{display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;padding:10px 0;-ms-overflow-style:none;scrollbar-width:none;}
.tab-list::-webkit-scrollbar{display:none;}
.tab{
  scroll-snap-align:start;flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:999px;font-size:14px;font-weight:600;color:var(--text-2);background:transparent;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.tab:hover{background:var(--band);color:var(--ink);}
.tab.is-active{background:var(--ink);color:#fff;}

.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 24px 24px;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer ul{display:grid;gap:6px;margin-bottom:16px;}
.mobile-drawer a{display:block;padding:11px 14px;border-radius:var(--r-btn);font-size:15px;font-weight:600;color:var(--text-2);}
.mobile-drawer a:hover{background:var(--band);color:var(--ink);}

@media (max-width:1023px){
  .header-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-main__inner{height:56px;gap:12px;}
  .header-cta{margin-left:auto;height:40px;padding:0 16px;font-size:14px;}
  .brand__text{font-size:16px;}
}
@media (max-width:520px){
  .header-cta{display:none;}
}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:18px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--line);}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--cyan-dark);}
.crumb .is-current{color:var(--text);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章布局 ---------- */
.article-wrap{padding:36px 0 24px;}
.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;}
@media (min-width:1024px){
  .layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px;}
}
.article-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-sm);padding:32px;}
@media (max-width:640px){.article-card{padding:20px;}}
.article-head{margin-bottom:24px;}
.article-head h1{font-size:32px;line-height:1.2;margin:16px 0 18px;}
@media (min-width:1024px){.article-head h1{font-size:40px;}}
@media (max-width:640px){.article-head h1{font-size:26px;}}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--text-3);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block;}
.article-cover{margin:0 0 28px;border-radius:var(--r-img);overflow:hidden;background:var(--band);}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-cover figcaption{font-size:13px;color:var(--text-3);text-align:center;padding:10px 0 0;}

.article-body{max-width:820px;color:var(--text);font-size:17px;line-height:1.85;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{font-size:27px;margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--cyan);}
.article-body h3{font-size:21px;margin:30px 0 12px;color:var(--ink);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:24px;}
.article-body ul li{list-style:disc;margin-bottom:8px;}
.article-body ol li{list-style:decimal;margin-bottom:8px;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--bg);border-left:3px solid var(--cyan);
  border-radius:0 var(--r-btn) var(--r-btn) 0;color:var(--text-2);font-size:16px;
}
.article-body img{border-radius:var(--r-img);margin:24px auto;}
.article-body a{color:var(--cyan-dark);border-bottom:1px solid rgba(18,216,176,.5);}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--band);font-weight:700;}
.article-body tbody tr:nth-child(even){background:#FBFAF7;}
.article-body code{background:var(--band);padding:2px 6px;border-radius:6px;font-size:15px;}

.article-empty{padding:32px 0;text-align:center;}
.article-empty h2{font-size:24px;margin-bottom:12px;}
.article-empty p{color:var(--text-2);max-width:520px;margin:0 auto 20px;}

.tag-bar{margin-top:36px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-bar span.label{font-size:13px;color:var(--text-3);}

.read-nav{display:grid;grid-template-columns:1fr;gap:14px;margin-top:24px;}
@media (min-width:640px){.read-nav{grid-template-columns:1fr 1fr;}}
.read-nav a{
  display:flex;align-items:center;gap:12px;padding:16px 18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);font-size:14px;color:var(--text-2);
  transition:box-shadow .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
}
.read-nav a:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:#D8D4C9;color:var(--ink);}
.read-nav i{color:var(--cyan-dark);}

/* ---------- 侧栏 ---------- */
.side{display:grid;gap:24px;align-content:start;}
@media (min-width:1024px){.side{position:sticky;top:132px;}}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-sm);padding:22px;}
.side-title{font-size:16px;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-title i{color:var(--cyan-dark);font-size:14px;}
.rank-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:15px;}
.rank-list li:last-child{border-bottom:0;padding-bottom:0;}
.rank-list .num{font-size:14px;font-weight:800;color:var(--cyan-dark);min-width:20px;font-variant-numeric:tabular-nums;}
.rank-list a{color:var(--text-2);line-height:1.5;}
.rank-list a:hover{color:var(--ink);}
.side-cta{background:var(--ink-deep);border:1px solid rgba(242,241,236,.12);border-radius:var(--r-card);padding:24px;color:#F2F1EC;}
.side-cta h3{color:#fff;font-size:18px;margin-bottom:10px;}
.side-cta p{color:#B9BCC2;font-size:14px;margin-bottom:18px;}

/* ---------- 相关推荐 ---------- */
.relate-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){.relate-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.relate-grid{grid-template-columns:repeat(3,1fr);}}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:#D8D4C9;}
.card__media{overflow:hidden;background:var(--band);}
.card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s var(--ease);}
.card:hover .card__media img{transform:scale(1.03);}
.card__body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card__body h3{font-size:19px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__body p{font-size:15px;color:var(--text-2);line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card__foot{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding-top:6px;}
.card__foot i{margin-left:auto;color:var(--cyan-dark);transition:transform .18s var(--ease);}
.card:hover .card__foot i{transform:translateX(2px);}

/* ---------- 底部 CTA 带 ---------- */
.cta-band{background:var(--ink-deep);border-top:1px solid rgba(242,241,236,.1);color:#F2F1EC;padding:56px 0;}
.cta-band__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:8px;}
.cta-band p{color:#B9BCC2;margin:0;max-width:520px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}
@media (max-width:640px){.cta-band h2{font-size:22px;}.cta-band{padding:40px 0;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:#F2F1EC;border-top:1px solid rgba(242,241,236,.1);padding:64px 0 0;}
.footer-grid{gap:32px 0;}
.footer-brand .brand__mark{background:#1B1E24;color:var(--cyan);}
.footer-brand .brand__text{color:#fff;}
.footer-brand p{color:#9DA1A8;font-size:14px;margin-top:16px;max-width:340px;}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--cyan);margin-bottom:16px;font-weight:700;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:#C7CBD1;font-size:14px;}
.footer-col a:hover{color:var(--cyan);}
.footer-sub p{color:#9DA1A8;font-size:14px;margin-bottom:14px;}
.footer-form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-form input{
  flex:1;min-width:180px;height:46px;border-radius:var(--r-btn);border:1px solid rgba(242,241,236,.18);
  background:#161A20;color:#F2F1EC;padding:0 14px;font-size:14px;outline:none;transition:border-color .18s var(--ease);
}
.footer-form input::placeholder{color:#7C818A;}
.footer-form input:focus{border-color:var(--cyan);}
.footer-form .btn{background:var(--cyan);color:var(--ink);}
.footer-form .btn:hover{background:#fff;color:var(--ink);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(242,241,236,.1);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:#8A9099;
}
@media (max-width:640px){.site-footer{padding-top:44px;}}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:50;height:64px;
  background:var(--ink-deep);border-top:1px solid rgba(242,241,236,.12);
  display:flex;align-items:center;
}
.sticky-cta .container{display:flex;align-items:center;gap:16px;}
.sticky-cta__text{color:#F2F1EC;font-size:15px;margin:0;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.sticky-cta__close{width:34px;height:34px;border:1px solid rgba(242,241,236,.2);border-radius:8px;background:transparent;color:#C7CBD1;cursor:pointer;font-size:13px;transition:border-color .18s var(--ease),color .18s var(--ease);}
.sticky-cta__close:hover{border-color:var(--cyan);color:var(--cyan);}
.sticky-cta.is-hidden{display:none;}
@media (max-width:520px){
  .sticky-cta{height:60px;}
  .sticky-cta__text{font-size:14px;}
  .sticky-cta .btn{height:40px;padding:0 16px;font-size:14px;}
  body{padding-bottom:80px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}

/* roulang page: category1 */
:root{
  --ink:#111318;
  --ink-2:#14161A;
  --accent:#12D8B0;
  --accent-hover:#0EB99A;
  --accent-soft:#E6FBF6;
  --coral:#FF6B4A;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --alt:#EFEDE7;
  --dark:#0E1013;
  --dark-text:#F2F1EC;
  --text:#14161A;
  --text-2:#5C6169;
  --text-3:#8A9099;
  --line:#E3E0D8;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(17,19,24,.04), 0 8px 24px -12px rgba(17,19,24,.10);
  --shadow-hover:0 12px 32px -12px rgba(17,19,24,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap:24px;
  --section:96px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-bottom:76px;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
html.no-bottom-cta body{padding-bottom:0;}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-img);}
a{color:var(--accent-hover);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--accent-hover);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,button{font-size:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
::selection{background:var(--accent-soft);color:var(--ink);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

h1{font-size:44px;line-height:1.15;font-weight:800;letter-spacing:-.02em;}
h2{font-size:30px;line-height:1.25;font-weight:800;letter-spacing:-.01em;}
h3{font-size:21px;line-height:1.4;font-weight:700;}
h4{font-size:15px;line-height:1.4;font-weight:700;}
p{color:var(--text-2);}
strong{color:var(--text);font-weight:700;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  background:var(--ink);
  color:#fff;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:background .18s var(--ease), color .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
}
.btn:hover{background:var(--accent);color:var(--ink);transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.btn--outline{
  background:transparent;
  color:var(--ink);
  border:1.5px solid var(--ink);
}
.btn--outline:hover{background:var(--alt);color:var(--ink);}
.btn--light{
  background:#fff;
  color:var(--ink);
}
.btn--light:hover{background:var(--accent);color:var(--ink);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--ink);
  font-weight:600;
  font-size:15px;
  border-bottom:2px solid var(--accent);
  padding-bottom:2px;
  transition:color .18s var(--ease),gap .18s var(--ease);
}
.link-arrow:hover{color:var(--accent-hover);gap:10px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  background:var(--alt);
  color:var(--text-2);
}
.badge--dark{background:var(--ink);color:#fff;}
.badge--accent{background:var(--accent-soft);color:#0B7A66;}
.badge--hot{background:rgba(255,107,74,.12);color:#C93E1F;}

/* ---------- 顶部双层导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,240,.96);
  backdrop-filter:saturate(150%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px -22px rgba(17,19,24,.5);}
.header-main{border-bottom:1px solid var(--line);}
.header-main__inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:64px;
  transition:height .2s var(--ease);
}
.site-header.is-scrolled .header-main__inner{height:56px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
}
.brand__mark{
  width:36px;
  height:36px;
  display:grid;
  place-items:center;
  border-radius:11px;
  background:var(--ink);
  color:var(--accent);
  font-weight:800;
  font-size:17px;
  letter-spacing:0;
}
.brand__text{
  font-size:18px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
}
.header-search{
  flex:1 1 auto;
  max-width:420px;
  display:flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 6px 0 16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  transition:border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.header-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px rgba(18,216,176,.25);}
.header-search input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  background:transparent;
  color:var(--text);
  height:100%;
  outline:none;
}
.header-search input::placeholder{color:var(--text-3);}
.header-search button{
  height:34px;
  padding:0 16px;
  border-radius:8px;
  background:var(--alt);
  color:var(--ink);
  font-size:14px;
  font-weight:600;
  transition:background .18s var(--ease);
}
.header-search button:hover{background:var(--accent);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  position:relative;
}
.nav-toggle span{
  position:absolute;
  left:12px;
  right:12px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .2s var(--ease), opacity .2s var(--ease), top .2s var(--ease);
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle.is-open span:nth-child(1){top:21px;transform:rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){top:21px;transform:rotate(-45deg);}

.header-tabs{position:relative;}
.header-tabs .container{position:relative;}
.tab-list{
  display:flex;
  align-items:center;
  gap:8px;
  height:48px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding:0 4px;
}
.tab-list::-webkit-scrollbar{display:none;}
.tab-list li{flex:0 0 auto;scroll-snap-align:start;}
.tab{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:var(--radius-pill);
  color:var(--text-2);
  font-size:14.5px;
  font-weight:600;
  transition:background .18s var(--ease), color .18s var(--ease);
}
.tab:hover{background:var(--alt);color:var(--ink);}
.tab.is-active{background:var(--ink);color:#fff;}
.tab.is-active:hover{background:var(--ink);color:#fff;}

.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--bg);
  padding:16px 0 20px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .header-search{max-width:none;width:100%;margin-bottom:12px;}
.mobile-drawer .btn{width:100%;}

/* ---------- 页面头 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--alt);
  border-bottom:1px solid var(--line);
}
.page-hero__bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
  opacity:.32;
}
.page-hero__mask{
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(247,245,240,.96) 0%,rgba(247,245,240,.86) 48%,rgba(247,245,240,.62) 100%);
}
.page-hero__inner{
  position:relative;
  padding:56px 0 48px;
  max-width:820px;
}
.breadcrumb{margin-bottom:22px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;}
.breadcrumb li{color:var(--text-3);display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--line);}
.breadcrumb a{color:var(--text-2);font-weight:600;}
.breadcrumb a:hover{color:var(--accent-hover);}
.breadcrumb [aria-current="page"]{color:var(--ink);font-weight:700;}
.page-hero h1{margin-bottom:14px;}
.page-hero__sub{font-size:17px;color:var(--text-2);margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  font-size:13.5px;
  color:var(--text-2);
  font-weight:600;
}

/* ---------- 板块 ---------- */
.section{padding:var(--section) 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--alt);}
.section--dark{background:var(--dark);color:var(--dark-text);}
.section--dark p{color:#B9BCC2;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{max-width:720px;}
.section-head p{margin-top:10px;font-size:16px;max-width:680px;}
.section--dark h2{color:var(--dark-text);}

/* ---------- 简介 ---------- */
.intro{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:40px;
  align-items:start;
}
.intro__text p+p{margin-top:14px;}
.intro__text p{font-size:16.5px;}
.intro__panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-card);
}
.intro__panel h3{font-size:16px;margin-bottom:14px;}
.intro__panel li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:var(--text-2);
  padding:9px 0;
  border-bottom:1px dashed var(--line);
}
.intro__panel li:last-child{border-bottom:0;padding-bottom:0;}
.intro__panel li b{color:var(--ink);font-weight:700;flex:0 0 auto;}

/* ---------- 横排列表卡 ---------- */
.article-list{display:flex;flex-direction:column;gap:var(--gap);}
.list-card{
  display:grid;
  grid-template-columns:296px minmax(0,1fr);
  gap:28px;
  align-items:stretch;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px;
  box-shadow:var(--shadow-card);
  transition:box-shadow .2s var(--ease), transform .2s var(--ease), border-color .2s var(--ease);
}
.list-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#D6D2C7;}
.list-card__media{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-img);
  background:var(--alt);
  min-height:172px;
}
.list-card__media img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .35s var(--ease);
}
.list-card:hover .list-card__media img{transform:scale(1.03);}
.list-card__body{display:flex;flex-direction:column;gap:12px;padding:4px 4px 4px 0;}
.list-card__meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.list-card__body h3{font-size:21px;}
.list-card__body h3 a{color:var(--ink);}
.list-card__body h3 a:hover{color:var(--accent-hover);}
.list-card__desc{
  font-size:15px;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.list-card__foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13.5px;
  color:var(--text-3);
}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);}
.step{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px 28px;
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease), box-shadow .2s var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.step__num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--accent-soft);
  color:#0B7A66;
  font-weight:800;
  font-size:15px;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.step h3{font-size:19px;margin-bottom:10px;}
.step p{font-size:14.8px;}

/* ---------- 交叉入口 ---------- */
.cross{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.cross a{
  display:flex;
  flex-direction:column;
  gap:10px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 20px;
  box-shadow:var(--shadow-card);
  color:var(--ink);
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.cross a:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D6D2C7;color:var(--ink);}
.cross span.cross__k{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--accent-hover);}
.cross h3{font-size:18px;}
.cross p{font-size:14.2px;}
.cross .cross__go{margin-top:auto;font-size:13.5px;color:var(--text-3);font-weight:600;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:border-color .2s var(--ease);
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--accent);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .22s var(--ease);
}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-item__q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:20px 24px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
}
.faq-item__icon{
  flex:0 0 auto;
  width:24px;height:24px;
  position:relative;
  transition:transform .2s var(--ease);
}
.faq-item__icon::before,
.faq-item__icon::after{
  content:"";
  position:absolute;
  background:var(--ink);
  border-radius:2px;
}
.faq-item__icon::before{left:11px;top:3px;width:2px;height:18px;}
.faq-item__icon::after{left:3px;top:11px;width:18px;height:2px;transition:opacity .2s var(--ease);}
.faq-item.is-open .faq-item__icon{transform:rotate(180deg);}
.faq-item.is-open .faq-item__icon::after{opacity:0;}
.faq-item__a{
  max-height:0;
  opacity:0;
  overflow:hidden;
  transition:max-height .24s var(--ease), opacity .24s var(--ease), padding .24s var(--ease);
  padding:0 24px;
}
.faq-item.is-open .faq-item__a{max-height:360px;opacity:1;padding:0 24px 22px;}
.faq-item__a p{font-size:15px;line-height:1.8;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--dark);
  border-radius:18px;
  padding:52px 48px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:32px;
  border:1px solid rgba(242,241,236,.14);
  position:relative;
  overflow:hidden;
}
.cta-band h2{color:var(--dark-text);margin-bottom:12px;}
.cta-band p{color:#B9BCC2;max-width:560px;}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:240px;height:240px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(18,216,176,.22),transparent 70%);
  pointer-events:none;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:#B9BCC2;
  padding:72px 0 0;
  margin-top:var(--section);
  border-top:1px solid rgba(242,241,236,.12);
}
.footer-grid{padding-bottom:44px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand__mark{background:var(--accent);color:var(--ink);}
.footer-brand .brand__text{color:var(--dark-text);}
.footer-brand p{font-size:14.5px;line-height:1.8;color:#A6AAB1;max-width:340px;}
.footer-col h4{
  color:var(--accent);
  font-size:14px;
  letter-spacing:.08em;
  margin-bottom:16px;
  font-weight:700;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:#B9BCC2;font-size:14.5px;}
.footer-col ul a:hover{color:var(--accent);}
.footer-sub p{font-size:14.5px;color:#A6AAB1;margin-bottom:14px;}
.footer-form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-form input{
  flex:1 1 180px;
  min-width:0;
  height:48px;
  padding:0 16px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(242,241,236,.2);
  background:rgba(255,255,255,.06);
  color:var(--dark-text);
  outline:none;
  transition:border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.footer-form input::placeholder{color:#7E838B;}
.footer-form input:focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(18,216,176,.2);}
.footer-form .btn{height:48px;}
.footer-bottom{
  border-top:1px solid rgba(242,241,236,.12);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-bottom p{font-size:13.5px;color:#8A9099;}

/* ---------- 底部固定转化条 ---------- */
.bottom-cta{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:50;
  background:var(--dark);
  border-top:1px solid rgba(242,241,236,.14);
  transform:translateY(0);
  transition:transform .24s var(--ease);
}
.bottom-cta.is-hidden{transform:translateY(110%);}
.bottom-cta__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:64px;
}
.bottom-cta__text{color:var(--dark-text);font-size:15px;font-weight:600;}
.bottom-cta__actions{display:flex;align-items:center;gap:10px;}
.bottom-cta__close{
  width:34px;height:34px;
  border-radius:50%;
  color:#A6AAB1;
  font-size:18px;
  line-height:1;
  border:1px solid rgba(242,241,236,.18);
  transition:color .18s var(--ease), border-color .18s var(--ease);
}
.bottom-cta__close:hover{color:var(--dark-text);border-color:var(--accent);}

/* ---------- 动效 ---------- */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease), transform .5s var(--ease);}
.fade-up.is-in{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
  .fade-up{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  :root{--section:64px;}
  h1{font-size:34px;}
  h2{font-size:26px;}
  .header-search{display:none;}
  .header-actions .btn{display:none;}
  .nav-toggle{display:block;}
  .header-main__inner{height:56px;}
  .site-header.is-scrolled .header-main__inner{height:52px;}
  .intro{grid-template-columns:minmax(0,1fr);}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cross{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:40px 28px;}
  .list-card{grid-template-columns:240px minmax(0,1fr);gap:20px;}
}

@media screen and (max-width:767px){
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .steps{grid-template-columns:minmax(0,1fr);}
  .list-card{grid-template-columns:minmax(0,1fr);padding:16px;}
  .list-card__media{min-height:0;aspect-ratio:16/9;}
  .list-card__body{padding:0;}
  .list-card__body h3{font-size:19px;}
}

@media screen and (max-width:639px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  :root{--section:56px;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .page-hero__inner{padding:36px 0 32px;}
  .page-hero__sub{font-size:15.5px;}
  .brand__mark{width:32px;height:32px;font-size:15px;border-radius:10px;}
  .brand__text{font-size:16px;}
  .cross{grid-template-columns:minmax(0,1fr);}
  .header-search button{padding:0 12px;}
  .list-card__desc{-webkit-line-clamp:4;}
  .faq-item__q{padding:16px 18px;font-size:16px;}
  .faq-item__a{padding:0 18px;}
  .faq-item.is-open .faq-item__a{padding:0 18px 18px;}
  .cta-band{padding:32px 20px;border-radius:14px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .bottom-cta__inner{min-height:60px;gap:12px;}
  .bottom-cta__text{font-size:13.5px;}
}

/* roulang page: category2 */
:root{
  --ink:#111318;
  --ink-soft:#1b1e24;
  --accent:#12D8B0;
  --accent-hover:#0EB99A;
  --accent-soft:#E6FBF6;
  --coral:#FF6B4A;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --band:#EFEDE7;
  --dark:#0E1013;
  --dark-text:#F2F1EC;
  --text:#14161A;
  --muted:#5C6169;
  --weak:#8A9099;
  --line:#E3E0D8;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(17,19,24,.04),0 8px 24px -12px rgba(17,19,24,.10);
  --shadow-lg:0 12px 32px -12px rgba(17,19,24,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-bottom:72px;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.25;font-weight:800;letter-spacing:-.02em}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}
@media (max-width:640px){.container{padding:0 16px}}

/* ---------- 顶部双层导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px -18px rgba(17,19,24,.35)}
.header-main__inner{
  display:flex;align-items:center;gap:20px;
  height:64px;
  transition:height .2s var(--ease);
}
.site-header.is-scrolled .header-main__inner{height:56px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.01em}
.brand__mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:var(--ink);color:var(--accent);
  display:grid;place-items:center;font-size:16px;font-weight:800;
}
.brand__text{white-space:nowrap}
.header-search{position:relative;flex:1 1 auto;max-width:400px}
.header-search i{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  color:var(--weak);font-size:14px;pointer-events:none;
}
.header-search input{
  width:100%;height:44px;padding:0 16px 0 38px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;font-size:14px;color:var(--text);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.header-search input::placeholder{color:var(--weak)}
.header-search input:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(18,216,176,.16);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);
  border-radius:10px;background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px}

.header-tabs{position:relative;border-top:1px solid var(--line);background:#fff}
.header-tabs::after{
  content:"";position:absolute;top:0;right:0;width:44px;height:100%;
  background:linear-gradient(to left,#fff 20%,rgba(255,255,255,0));
  pointer-events:none;
}
.tab-list{
  display:flex;gap:8px;padding:6px 0;
  overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
}
.tab-list::-webkit-scrollbar{display:none}
.tab{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;font-weight:500;
  color:var(--muted);white-space:nowrap;scroll-snap-align:start;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.tab:hover{background:var(--band);color:var(--text)}
.tab.is-active{background:var(--ink);color:#fff;font-weight:600}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,16,19,.45);
  opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s;
  z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:#fff;padding:22px 20px 32px;overflow-y:auto;
  transform:translateX(100%);transition:transform .24s var(--ease);
  z-index:80;box-shadow:-16px 0 40px -24px rgba(17,19,24,.5);
}
.mobile-drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--accent-hover)}
.drawer-close{
  width:36px;height:36px;border:1px solid var(--line);border-radius:10px;
  background:#fff;font-size:20px;line-height:1;cursor:pointer;color:var(--muted);
}
.drawer-search{margin-bottom:18px}
.drawer-search input{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--r-btn);background:#fff;font-size:14px;
}
.drawer-search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(18,216,176,.16)}
.drawer-list li+li{margin-top:4px}
.drawer-list a{
  display:block;padding:12px 14px;border-radius:10px;
  font-size:15px;color:var(--muted);transition:background .18s var(--ease),color .18s var(--ease);
}
.drawer-list a:hover{background:var(--band);color:var(--text)}
.drawer-list a.is-active{background:var(--ink);color:#fff;font-weight:600}
.drawer-foot{margin-top:20px}

/* ---------- 按钮 / 徽章 / 链接 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:0;border-radius:var(--r-btn);
  background:var(--ink);color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.btn:hover{background:var(--accent);color:var(--ink);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.btn--pill{border-radius:var(--r-pill);height:42px;padding:0 20px;font-size:14px}
.btn--ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn--ghost:hover{background:var(--band);color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn--light{background:#fff;color:var(--ink)}
.btn--light:hover{background:var(--accent);color:var(--ink)}
.btn--block{width:100%}

.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--accent-hover);
  border-bottom:2px solid var(--accent);padding-bottom:2px;
  transition:color .18s var(--ease),gap .2s var(--ease);
}
.link-more i{transition:transform .2s var(--ease)}
.link-more:hover{color:var(--ink)}
.link-more:hover i{transform:translateX(3px)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1;
}
.badge--dark{background:var(--ink);color:#fff}
.badge--accent{background:var(--accent-soft);color:#0B8E78}
.badge--sand{background:var(--band);color:var(--muted)}
.badge--coral{background:rgba(255,107,74,.12);color:#D8451F}
.dot{width:4px;height:4px;border-radius:50%;background:var(--weak);display:inline-block}

/* ---------- 页面头 ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(14,16,19,.94) 0%,rgba(14,16,19,.78) 55%,rgba(14,16,19,.58) 100%);
}
.page-hero__inner{position:relative;z-index:1;padding:56px 0 64px;max-width:780px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;
}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";opacity:.45}
.breadcrumb a:hover{color:var(--accent)}
.page-hero h1{
  font-size:44px;line-height:1.15;letter-spacing:-.02em;
  margin-bottom:16px;color:#fff;
}
.page-hero__sub{font-size:17px;color:rgba(255,255,255,.82);max-width:620px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:7px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;color:rgba(255,255,255,.9);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.22);
}
.hero-tags i{color:var(--accent)}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sec) 0}
.section--tight{padding:64px 0}
.section--band{background:var(--band)}
.section--white{background:#fff}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;gap:16px;
  justify-content:space-between;margin-bottom:40px;
}
.section-head h2{font-size:30px}
.section-head p{font-size:15px;color:var(--muted);margin-top:8px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--accent-hover);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}

/* ---------- 简介 + 节奏 ---------- */
.intro-grid{display:grid;gap:40px;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);align-items:start}
.intro-text p{font-size:16.5px;line-height:1.85;color:var(--muted)}
.intro-text p+p{margin-top:14px}
.intro-text strong{color:var(--text)}
.rhythm-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-sm);
}
.rhythm-card h3{font-size:17px;margin-bottom:18px}
.rhythm-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px dashed var(--line);
}
.rhythm-list li:last-child{border-bottom:0;padding-bottom:0}
.rhythm-list span{font-size:14px;color:var(--muted)}
.rhythm-list b{font-size:14px;color:var(--accent-hover);font-weight:700;white-space:nowrap}

/* ---------- 大宽卡网格（2 列） ---------- */
.card-grid{display:grid;gap:24px;grid-template-columns:repeat(2,minmax(0,1fr))}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#D6D2C7}
.news-card__media{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--band)}
.news-card__media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s var(--ease);
}
.news-card:hover .news-card__media img{transform:scale(1.03)}
.news-card__badge{position:absolute;top:14px;left:14px}
.news-card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-card__body h3{font-size:20px;line-height:1.4}
.news-card__body h3 a{transition:color .18s var(--ease)}
.news-card__body h3 a:hover{color:var(--accent-hover)}
.news-card__excerpt{
  font-size:15px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--weak);flex-wrap:wrap;
}
.news-card__meta .link-more{margin-left:auto;font-size:13px}

/* ---------- 处理流程 ---------- */
.process{display:grid;gap:28px;grid-template-columns:repeat(3,minmax(0,1fr))}
.process__item{padding-top:22px;border-top:3px solid var(--accent)}
.process__no{
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--accent-hover);display:block;margin-bottom:10px;
}
.process__item h3{font-size:19px;margin-bottom:10px}
.process__item p{font-size:15px;line-height:1.75;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--accent);opacity:0;transition:opacity .2s var(--ease);
}
.faq-item.is-open{border-color:#D6D2C7;box-shadow:var(--shadow-sm)}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;text-align:left;
  font-size:17px;font-weight:600;cursor:pointer;color:var(--text);
}
.faq-q:hover{color:var(--accent-hover)}
.faq-icon{color:var(--accent);transition:transform .2s var(--ease);flex:0 0 auto}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--muted)}

/* ---------- 交叉入口 ---------- */
.cross-list{display:grid;gap:20px;grid-template-columns:repeat(4,minmax(0,1fr))}
.cross-item{
  display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.cross-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#D6D2C7}
.cross-item i{color:var(--accent);font-size:18px}
.cross-item h3{font-size:17px}
.cross-item p{font-size:14px;line-height:1.7;color:var(--muted)}
.cross-item .link-more{margin-top:auto;font-size:13px}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--dark);color:var(--dark-text);
  border-radius:20px;padding:56px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
  display:grid;gap:32px;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
  align-items:center;
}
.cta-band h2{font-size:30px;color:#fff;margin-bottom:12px}
.cta-band p{font-size:15.5px;line-height:1.8;color:rgba(242,241,236,.75)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(242,241,236,.72);padding:64px 0 0;margin-top:var(--sec)}
.site-footer .brand{color:#fff;margin-bottom:16px}
.site-footer .brand__mark{background:var(--accent);color:var(--ink)}
.footer-brand p{font-size:14.5px;line-height:1.8;max-width:340px}
.footer-grid{padding-bottom:48px}
.footer-col h4{
  font-size:14px;font-weight:700;letter-spacing:.08em;
  color:var(--accent);margin-bottom:16px;
}
.footer-col ul li+li{margin-top:10px}
.footer-col a{font-size:14.5px;transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-sub p{font-size:14.5px;line-height:1.8;margin-bottom:16px}
.footer-form{display:flex;gap:10px}
.footer-form input{
  flex:1;height:48px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  color:#fff;font-size:14px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.footer-form input::placeholder{color:rgba(242,241,236,.45)}
.footer-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(18,216,176,.18)}
.footer-form .btn{height:48px;background:var(--accent);color:var(--ink)}
.footer-form .btn:hover{background:#fff;color:var(--ink)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:rgba(242,241,236,.5);
}

/* ---------- 底部转化条 ---------- */
.convert-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  height:64px;background:var(--dark);color:var(--dark-text);
  display:flex;align-items:center;gap:16px;
  padding:0 24px;
  box-shadow:0 -10px 30px -18px rgba(0,0,0,.55);
  box-shadow:0 -10px 30px -18px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.08);
}
.convert-bar.is-hidden{display:none}
.convert-bar__text{font-size:14.5px;font-weight:600;color:#fff}
.convert-bar__text i{color:var(--accent);margin-right:8px}
.convert-bar .btn{margin-left:auto;height:42px;padding:0 22px;background:var(--accent);color:var(--ink)}
.convert-bar .btn:hover{background:#fff;color:var(--ink)}
.convert-close{
  width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:rgba(242,241,236,.7);cursor:pointer;font-size:16px;line-height:1;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.convert-close:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .cross-list{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .header-search{display:none}
  .header-actions .btn--pill{display:none}
  .intro-grid{grid-template-columns:minmax(0,1fr)}
  .process{grid-template-columns:minmax(0,1fr)}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:40px}
  .cta-actions{justify-content:flex-start}
  .page-hero h1{font-size:36px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .section-head h2{font-size:24px}
  .page-hero__inner{padding:40px 0 48px}
  .page-hero h1{font-size:28px}
  .page-hero__sub{font-size:15.5px}
  .cta-band h2{font-size:23px}
  .footer-grid{gap:32px}
  .faq-q{font-size:16px;padding:18px 20px}
  .faq-a p{padding:0 20px 20px}
  .site-footer{margin-top:56px;padding-top:48px}
}
@media (max-width:519px){
  .cross-list{grid-template-columns:minmax(0,1fr)}
  .convert-bar{height:60px;padding:0 16px}
  .convert-bar__text{font-size:13.5px}
  .convert-bar .btn{height:38px;padding:0 16px;font-size:13px}
  .footer-form{flex-direction:column}
  .news-card__body{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1!important;transform:none!important}
}

/* roulang page: category3 */
:root{
  --ink:#111318;
  --accent:#12D8B0;
  --accent-dark:#0EB99A;
  --accent-soft:#E6FBF6;
  --coral:#FF6B4A;
  --bg:#F7F5F0;
  --bg-alt:#EFEDE7;
  --dark:#0E1013;
  --card:#FFFFFF;
  --text:#14161A;
  --text-sub:#5C6169;
  --text-weak:#8A9099;
  --line:#E3E0D8;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(17,19,24,.04), 0 8px 24px -12px rgba(17,19,24,.10);
  --sh-2:0 12px 32px -12px rgba(17,19,24,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:96px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  padding-bottom:78px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--accent-dark);}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:800;letter-spacing:-.02em;color:var(--text);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,button,textarea{font-size:16px;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}
/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px -14px rgba(17,19,24,.30);}
.header-main__inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:64px;
  transition:height .2s var(--ease);
}
.site-header.is-scrolled .header-main__inner{height:56px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:34px;height:34px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:#fff;
  border-radius:10px;
  font-size:17px;font-weight:800;letter-spacing:0;
}
.brand__text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.header-search{
  flex:1 1 auto;
  max-width:380px;
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  transition:border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.header-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);}
.header-search i{color:var(--text-weak);font-size:14px;}
.header-search input{
  flex:1 1 auto;
  border:0;
  outline:none;
  background:transparent;
  height:100%;
  color:var(--text);
  min-width:0;
}
.header-search input::placeholder{color:var(--text-weak);}
.header-cta{flex:0 0 auto;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  cursor:pointer;
  background:var(--ink);
  color:#fff;
  transition:background .18s var(--ease), color .18s var(--ease), transform .18s var(--ease), border-color .18s var(--ease);
}
.btn:hover{background:var(--accent);color:var(--ink);transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn--pill{border-radius:var(--r-pill);}
.btn--ghost{
  background:transparent;
  color:var(--ink);
  border:1.5px solid var(--ink);
}
.btn--ghost:hover{background:var(--bg-alt);color:var(--ink);}
.btn--light{
  background:var(--accent);
  color:var(--ink);
}
.btn--light:hover{background:#fff;color:var(--ink);}
.btn--outline-light{
  background:transparent;
  color:#fff;
  border:1.5px solid rgba(255,255,255,.45);
}
.btn--outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--ink);
  cursor:pointer;
  flex:0 0 auto;
}
.nav-toggle:hover{border-color:var(--ink);}
/* ---------- tabs row ---------- */
.header-tabs{
  border-top:1px solid var(--line);
  background:#fff;
  position:relative;
}
.tab-list{
  display:flex;
  align-items:center;
  gap:8px;
  height:48px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.tab-list::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;
  scroll-snap-align:center;
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 16px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:600;
  color:var(--text-sub);
  background:transparent;
  white-space:nowrap;
  transition:background .18s var(--ease), color .18s var(--ease);
}
.tab:hover{background:var(--bg-alt);color:var(--ink);}
.tab.is-active{background:var(--ink);color:#fff;}
.header-tabs::before,
.header-tabs::after{
  content:"";
  position:absolute;
  top:0;
  bottom:0;
  width:24px;
  pointer-events:none;
  z-index:2;
}
.header-tabs::before{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0));}
.header-tabs::after{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0));}
/* ---------- mobile drawer ---------- */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:80;
  display:none;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer__mask{
  position:absolute;inset:0;
  background:rgba(17,19,24,.5);
  border:0;padding:0;
  width:100%;height:100%;
  cursor:pointer;
}
.mobile-drawer__panel{
  position:absolute;
  top:0;right:0;
  width:min(320px,86vw);
  height:100%;
  background:#fff;
  padding:22px;
  overflow-y:auto;
  box-shadow:-14px 0 40px -20px rgba(17,19,24,.5);
}
.mobile-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:38px;height:38px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;color:var(--ink);
  cursor:pointer;
}
.drawer-close:hover{border-color:var(--ink);}
.drawer-nav li{margin-bottom:6px;}
.drawer-nav a{
  display:block;
  padding:11px 14px;
  border-radius:var(--r-btn);
  font-weight:600;
  color:var(--text-sub);
  background:var(--bg);
}
.drawer-nav a:hover{background:var(--accent-soft);color:var(--ink);}
.drawer-nav a.is-active{background:var(--ink);color:#fff;}
.drawer-cta{margin-top:18px;display:grid;gap:10px;}
.drawer-cta .btn{width:100%;}
/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  color:#fff;
  background-color:var(--dark);
  background-image:linear-gradient(180deg, rgba(14,16,19,.82) 0%, rgba(14,16,19,.90) 100%), url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  padding:52px 0 56px;
  overflow:hidden;
}
.page-hero h1{color:#fff;font-size:44px;line-height:1.14;}
.page-hero .hero-sub{
  margin-top:14px;
  font-size:17px;
  color:rgba(242,241,236,.80);
  max-width:640px;
}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(242,241,236,.65);
  margin-bottom:20px;
}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs a{color:rgba(242,241,236,.75);}
.crumbs a:hover{color:var(--accent);}
.crumbs .sep{color:rgba(242,241,236,.35);}
.crumbs [aria-current]{color:var(--accent);font-weight:600;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:#E9E7E0;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.05);
}
.hero-tags i{color:var(--accent);}
/* ---------- sections ---------- */
.section{padding:var(--sec) 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--bg-alt);}
.section--white{background:#fff;}
.section-head{margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.10em;
  color:var(--accent-dark);
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-head h2{font-size:30px;}
.section-head h2 + p{margin-top:12px;color:var(--text-sub);max-width:680px;}
.sec-title-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:36px;
}
.sec-title-row h2{font-size:30px;}
.sec-title-row .sub{margin-top:10px;color:var(--text-sub);max-width:640px;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:15px;
  color:var(--ink);
  border-bottom:2px solid var(--accent);
  padding-bottom:2px;
  transition:color .18s var(--ease), border-color .18s var(--ease);
}
.text-link i{transition:transform .18s var(--ease);}
.text-link:hover{color:var(--accent-dark);border-color:var(--accent-dark);}
.text-link:hover i{transform:translateX(3px);}
/* ---------- intro split ---------- */
.intro-grid{align-items:stretch;}
.intro-copy p{color:var(--text-sub);font-size:16.5px;}
.intro-copy p + p{margin-top:16px;}
.intro-list{margin-top:26px;display:grid;gap:12px;}
.intro-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--text-sub);
}
.intro-list i{color:var(--accent-dark);margin-top:5px;font-size:14px;}
.dark-panel{
  background:var(--dark);
  color:#F2F1EC;
  border-radius:var(--r-card);
  border:1px solid rgba(255,255,255,.08);
  padding:30px;
  height:100%;
}
.dark-panel h3{color:#fff;font-size:21px;margin-bottom:16px;}
.dark-panel ol{counter-reset:step;display:grid;gap:16px;}
.dark-panel ol li{
  position:relative;
  padding-left:42px;
  font-size:15px;
  color:rgba(242,241,236,.78);
  line-height:1.7;
}
.dark-panel ol li::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:2px;
  font-size:13px;font-weight:800;letter-spacing:.04em;
  color:var(--accent);
  border:1px solid rgba(18,216,176,.35);
  border-radius:8px;
  padding:2px 7px;
}
.dark-panel .panel-note{
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.10);
  font-size:13.5px;
  color:rgba(242,241,236,.60);
}
/* ---------- filter pills ---------- */
.filter-bar{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-bottom:6px;
  margin-bottom:30px;
  scrollbar-width:none;
}
.filter-bar::-webkit-scrollbar{display:none;}
.filter-pill{
  flex:0 0 auto;
  height:36px;
  padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-sub);
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
.filter-pill:hover{border-color:var(--ink);color:var(--ink);}
.filter-pill.is-active{background:var(--accent);border-color:var(--accent);color:var(--ink);}
/* ---------- cards ---------- */
.card-grid{margin-bottom:-24px;}
.card-grid > .cell{margin-bottom:24px;}
.tut-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  height:100%;
  display:flex;
  flex-direction:column;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.tut-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6D2C7;}
.tut-card__media{
  position:relative;
  aspect-ratio:16 / 9;
  overflow:hidden;
  background:var(--bg-alt);
}
.tut-card__media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .3s var(--ease);
}
.tut-card:hover .tut-card__media img{transform:scale(1.03);}
.tut-card__badge{
  position:absolute;
  left:12px;top:12px;
  display:inline-flex;align-items:center;
  height:26px;padding:0 11px;
  border-radius:var(--r-pill);
  font-size:12px;font-weight:700;
  background:rgba(17,19,24,.86);
  color:#fff;
  backdrop-filter:blur(2px);
}
.tut-card__badge--new{background:var(--coral);color:#fff;}
.tut-card__body{
  padding:20px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.tut-card__body h3{
  font-size:19px;
  line-height:1.4;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.tut-card__body p{
  font-size:15px;
  line-height:1.7;
  color:var(--text-sub);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:16px;
}
.tut-card__meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-weak);
}
.tut-card__meta .meta-left{display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap;}
.tut-card__meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block;}
.tut-card__link{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:700;
  color:var(--ink);
  font-size:13.5px;
}
.tut-card__link i{transition:transform .18s var(--ease);font-size:12px;}
.tut-card:hover .tut-card__link i{transform:translateX(2px);}
.empty-note{
  display:none;
  text-align:center;
  padding:48px 20px;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  color:var(--text-weak);
  background:#fff;
}
.empty-note.is-on{display:block;}
.empty-note i{font-size:26px;color:var(--line);display:block;margin-bottom:12px;}
/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  position:relative;
  transition:border-color .2s var(--ease);
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--accent);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .2s var(--ease);
}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
}
.faq-q .plus{
  flex:0 0 auto;
  width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--ink);
  font-size:12px;
  transition:transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.faq-item.is-open .plus{transform:rotate(180deg);background:var(--accent-soft);border-color:var(--accent);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s var(--ease);
}
.faq-a__inner{
  padding:0 22px 22px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-sub);
}
/* ---------- cross links ---------- */
.cross-grid{margin-bottom:-20px;}
.cross-grid > .cell{margin-bottom:20px;}
.cross-card{
  display:flex;
  align-items:center;
  gap:16px;
  padding:20px 22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  height:100%;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.cross-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6D2C7;color:inherit;}
.cross-card__icon{
  flex:0 0 auto;
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--accent-soft);
  color:var(--accent-dark);
  font-size:17px;
}
.cross-card h3{font-size:16.5px;margin-bottom:4px;}
.cross-card p{font-size:13.5px;color:var(--text-sub);line-height:1.6;margin:0;}
.cross-card .arrow{margin-left:auto;color:var(--text-weak);font-size:13px;transition:transform .18s var(--ease);}
.cross-card:hover .arrow{transform:translateX(3px);color:var(--accent-dark);}
/* ---------- CTA band ---------- */
.cta-band{
  background:var(--dark);
  border-radius:18px;
  border:1px solid rgba(255,255,255,.08);
  padding:52px 48px;
  color:#F2F1EC;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:12px;}
.cta-band p{color:rgba(242,241,236,.72);max-width:520px;margin:0;}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
/* ---------- footer ---------- */
.site-footer{
  background:var(--dark);
  color:#F2F1EC;
  padding:72px 0 0;
  margin-top:0;
}
.footer-grid{padding-bottom:48px;}
.footer-brand .brand__mark{background:var(--accent);color:var(--dark);}
.footer-brand .brand__text{color:#fff;}
.footer-brand p{
  margin-top:18px;
  font-size:14.5px;
  line-height:1.8;
  color:rgba(242,241,236,.66);
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  letter-spacing:.08em;
  color:var(--accent);
  font-weight:700;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  font-size:14.5px;
  color:rgba(242,241,236,.72);
}
.footer-col a:hover{color:var(--accent);}
.footer-sub p{
  font-size:14.5px;
  color:rgba(242,241,236,.72);
  margin-bottom:14px;
}
.footer-form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-form input{
  flex:1 1 200px;
  height:46px;
  padding:0 14px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.05);
  color:#fff;
  outline:none;
  transition:border-color .18s var(--ease);
}
.footer-form input::placeholder{color:rgba(242,241,236,.45);}
.footer-form input:focus{border-color:var(--accent);}
.footer-form .btn{height:46px;background:var(--accent);color:var(--dark);}
.footer-form .btn:hover{background:#fff;color:var(--dark);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(242,241,236,.55);
}
/* ---------- sticky bar ---------- */
.sticky-bar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:50;
  background:var(--dark);
  border-top:1px solid rgba(255,255,255,.10);
  min-height:64px;
  display:flex;
  align-items:center;
  transition:transform .25s var(--ease);
}
.sticky-bar.is-hidden{transform:translateY(110%);}
.sticky-bar__inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:64px;
  padding-top:8px;
  padding-bottom:8px;
}
.sticky-bar p{
  margin:0;
  font-size:14.5px;
  color:#F2F1EC;
  flex:1 1 auto;
}
.sticky-bar p i{color:var(--accent);margin-right:8px;}
.sticky-bar .btn{height:42px;flex:0 0 auto;}
.sticky-close{
  flex:0 0 auto;
  width:34px;height:34px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.20);
  background:transparent;
  color:rgba(242,241,236,.7);
  cursor:pointer;
  font-size:12px;
}
.sticky-close:hover{color:#fff;border-color:#fff;}
/* ---------- animation ---------- */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease), transform .5s var(--ease);}
.fade-up.in-view{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .fade-up{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}
/* ---------- responsive ---------- */
@media (max-width:1199px){
  .page-hero h1{font-size:40px;}
}
@media (max-width:1023px){
  :root{--sec:56px;}
  .header-search{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-main__inner{height:56px;}
  .brand__text{font-size:17px;}
  .page-hero{padding:40px 0 44px;}
  .page-hero h1{font-size:32px;}
  .page-hero .hero-sub{font-size:16px;}
  .tab-list{padding-left:0;}
  .cta-band{padding:38px 26px;}
  .cta-band h2{font-size:24px;}
  .section-head h2,.sec-title-row h2{font-size:24px;}
  .site-footer{padding-top:52px;}
  .footer-brand p{max-width:none;}
  .footer-sub{margin-top:8px;}
  .sticky-bar p{font-size:13.5px;}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
  .page-hero{padding:32px 0 36px;}
  .page-hero h1{font-size:28px;}
  .page-hero .hero-sub{font-size:15px;}
  .hero-tags span{font-size:12px;height:30px;padding:0 12px;}
  .intro-copy p{font-size:16px;}
  .dark-panel{padding:24px;}
  .tut-card__body{padding:18px;}
  .tut-card__body h3{font-size:18px;}
  .faq-q{font-size:16px;padding:17px 18px;}
  .faq-a__inner{padding:0 18px 18px 18px;}
  .section-head h2,.sec-title-row h2{font-size:22px;}
  .sec-title-row{margin-bottom:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .brand__text{font-size:16px;}
  .cta-band{padding:30px 20px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .sticky-bar__inner{gap:10px;}
  .sticky-bar p{font-size:13px;line-height:1.5;}
  .sticky-bar p i{display:none;}
  .sticky-bar .btn{height:38px;padding:0 14px;font-size:14px;}
}

/* roulang page: category4 */
:root{
  --ink:#111318;
  --ink-deep:#0E1013;
  --cyan:#12D8B0;
  --cyan-dark:#0EB99A;
  --cyan-soft:#E6FBF6;
  --coral:#FF6B4A;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --band:#EFEDE7;
  --text:#14161A;
  --text-2:#5C6169;
  --text-3:#8A9099;
  --line:#E3E0D8;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(17,19,24,.04), 0 8px 24px -12px rgba(17,19,24,.10);
  --shadow-lg:0 12px 32px -12px rgba(17,19,24,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --space-sec:96px;
  --space-sec-m:56px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-bottom:76px;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:800;color:var(--text);line-height:1.2;}
p{margin:0 0 1em;}
ul,ol,dl{margin:0;padding:0;list-style:none;}
a{color:var(--cyan-dark);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--cyan);}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
button{font-family:inherit;cursor:pointer;}
input,button,textarea,select{font-family:inherit;font-size:1rem;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--space-sec) 0;}
.section--band{background:var(--band);}
.section--tight{padding-top:64px;padding-bottom:64px;}
.section-head{margin-bottom:40px;}
.section-head h2{font-size:30px;letter-spacing:-.01em;}
.section-head .lead{margin-top:12px;color:var(--text-2);font-size:16px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--cyan-dark);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--cyan);display:inline-block;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  background:var(--ink);color:#fff;border:1px solid var(--ink);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.btn:hover{background:var(--cyan);color:var(--ink);border-color:var(--cyan);transform:translateY(-1px);box-shadow:var(--shadow-lg);}
.btn:active{transform:translateY(0);}
.btn--ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn--ghost:hover{background:var(--band);color:var(--ink);border-color:var(--ink);}
.btn--sm{height:40px;padding:0 20px;font-size:14px;}
.btn--block{width:100%;}
.btn--light{background:#fff;color:var(--ink);border-color:#fff;}
.btn--light:hover{background:var(--cyan);color:var(--ink);border-color:var(--cyan);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--ink);
  border-bottom:2px solid var(--cyan);padding-bottom:2px;
  transition:color .18s var(--ease),gap .18s var(--ease);
}
.link-arrow i{transition:transform .18s var(--ease);}
.link-arrow:hover{color:var(--cyan-dark);}
.link-arrow:hover i{transform:translateX(3px);}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:700;line-height:1.6;
  background:var(--band);color:var(--text-2);
}
.badge--dark{background:var(--ink);color:#fff;}
.badge--cyan{background:var(--cyan-soft);color:#0A7A62;}
.badge--hot{background:rgba(255,107,74,.12);color:#C43C1E;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,245,240,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .2s var(--ease);}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(17,19,24,.35);}
.topbar{border-bottom:1px solid transparent;}
.topbar__inner{display:flex;align-items:center;gap:24px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--cyan);
  display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
}
.brand__text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.search{
  flex:1 1 auto;max-width:420px;height:48px;display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);padding:0 16px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search i{color:var(--text-3);font-size:14px;}
.search input{flex:1;border:0;outline:0;background:transparent;color:var(--text);height:100%;}
.search input::placeholder{color:var(--text-3);}
.search:focus-within{border-color:var(--cyan);box-shadow:0 0 0 2px rgba(18,216,176,.28);}
.topbar__actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.header-tabs{background:transparent;position:relative;}
.header-tabs .container{position:relative;}
.tab-list{
  display:flex;align-items:center;gap:8px;height:48px;
  overflow-x:auto;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.tab-list::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--radius-pill);font-size:14px;font-weight:600;
  color:var(--text-2);background:transparent;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.tab:hover{background:var(--band);color:var(--ink);}
.tab.is-active{background:var(--ink);color:#fff;}
.tab.is-active:hover{background:var(--ink);color:#fff;}

/* 移动端抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);
  background:#fff;border-left:1px solid var(--line);z-index:120;
  transform:translateX(105%);transition:transform .26s var(--ease);
  padding:22px 20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer__close{width:40px;height:40px;border-radius:var(--radius-btn);border:1px solid var(--line);background:#fff;color:var(--ink);}
.drawer__list li{margin-bottom:6px;}
.drawer__list a{display:block;padding:12px 14px;border-radius:var(--radius-btn);color:var(--ink);font-weight:600;background:var(--bg);}
.drawer__list a.is-active{background:var(--ink);color:#fff;}
.drawer__cta{margin-top:20px;}
.scrim{position:fixed;inset:0;background:rgba(17,19,24,.42);opacity:0;pointer-events:none;transition:opacity .26s var(--ease);z-index:110;}
.scrim.is-open{opacity:1;pointer-events:auto;}

/* ============ 页面头 ============ */
.page-head{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line);}
.page-head__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center right;
  opacity:.16;
}
.page-head__inner{position:relative;padding:56px 0 64px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs li::after{content:"/";margin-left:8px;color:var(--line);}
.crumbs li:last-child::after{content:"";margin:0;}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--cyan-dark);}
.crumbs [aria-current="page"]{color:var(--ink);font-weight:700;}
.page-head h1{font-size:44px;letter-spacing:-.02em;line-height:1.15;max-width:900px;}
.page-head .sub{margin-top:16px;font-size:17px;color:var(--text-2);max-width:720px;}
.page-head .meta-row{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;}

/* ============ 简介区 ============ */
.intro-grid{align-items:center;}
.intro-copy h2{font-size:28px;margin-bottom:18px;}
.intro-copy p{color:var(--text-2);font-size:16.5px;}
.intro-figure{position:relative;}
.intro-figure img{
  width:100%;height:320px;object-fit:cover;
  border-radius:var(--radius-card);background:var(--band);
}
.intro-figure .float-card{
  position:absolute;left:-18px;bottom:-18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:16px 20px;
}
.float-card strong{display:block;font-size:26px;letter-spacing:-.02em;line-height:1;}
.float-card span{font-size:13px;color:var(--text-3);}

/* ============ 时间轴列表 ============ */
.timeline{border-top:1px solid var(--line);}
.timeline__item{
  display:flex;gap:28px;padding:32px 0;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.timeline__item:hover{background:#fff;}
.timeline__num{
  flex:0 0 64px;width:64px;position:relative;
}
.timeline__num span{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:var(--radius-card);
  background:var(--ink);color:#fff;font-size:20px;font-weight:800;letter-spacing:-.02em;
}
.timeline__num::after{
  content:"";position:absolute;left:25px;top:60px;bottom:-32px;width:2px;background:var(--line);
}
.timeline__item:last-child .timeline__num::after{display:none;}
.timeline__body{flex:1 1 auto;min-width:0;}
.timeline__body h3{font-size:21px;margin-bottom:10px;}
.timeline__body .phenomenon{color:var(--text-2);font-size:15.5px;margin-bottom:14px;}
.steps{counter-reset:step;display:flex;flex-direction:column;gap:8px;margin-bottom:14px;}
.steps li{
  position:relative;padding-left:26px;font-size:15px;color:var(--text-2);
}
.steps li::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:0;top:3px;
  width:18px;height:18px;border-radius:var(--radius-pill);
  background:var(--cyan-soft);color:#0A7A62;
  font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;
}

/* ============ 适用场景（非对称） ============ */
.scene-grid .scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  height:100%;
}
.scene-grid .scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#D7D2C6;}
.scene-card--dark{
  background:var(--ink-deep);color:#F2F1EC;border:1px solid rgba(255,255,255,.09);
  box-shadow:none;
}
.scene-card--dark h3,.scene-card--dark p{color:#F2F1EC;}
.scene-card--dark p{color:#C8C7BF;}
.scene-card__icon{
  width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--cyan-soft);color:#0A7A62;font-size:17px;margin-bottom:18px;
}
.scene-card--dark .scene-card__icon{background:rgba(18,216,176,.16);color:var(--cyan);}
.scene-card h3{font-size:20px;margin-bottom:10px;}
.scene-card p{font-size:15px;color:var(--text-2);margin-bottom:0;}
.scene-offset{margin-top:28px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:14px;position:relative;overflow:hidden;box-shadow:var(--shadow-sm);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--cyan);
  transform:scaleY(0);transform-origin:top;transition:transform .2s var(--ease);
}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-q .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:var(--radius-pill);
  background:var(--band);color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.faq-item.is-open .faq-q .plus{transform:rotate(180deg);background:var(--cyan);color:var(--ink);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .26s var(--ease);
}
.faq-a__inner{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ============ 交叉入口 ============ */
.cross-grid .cross-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.cross-grid .cross-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#D7D2C6;}
.cross-card__media{height:150px;background:var(--band);overflow:hidden;}
.cross-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s var(--ease);}
.cross-card:hover .cross-card__media img{transform:scale(1.03);}
.cross-card__body{padding:20px;}
.cross-card__body h3{font-size:18px;margin:10px 0 8px;}
.cross-card__body p{font-size:14.5px;color:var(--text-2);margin:0;}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-deep);
  border-radius:var(--radius-card);padding:52px 48px;
}
.cta-band__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.18;
}
.cta-band__inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:28px;justify-content:space-between;}
.cta-band h2{color:#fff;font-size:30px;max-width:560px;}
.cta-band p{color:#C8C7BF;margin:12px 0 0;max-width:560px;font-size:15.5px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-deep);color:#C8C7BF;padding:72px 0 28px;margin-top:96px;}
.footer-grid{padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.09);}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand__mark{background:rgba(18,216,176,.16);color:var(--cyan);}
.footer-brand .brand__text{color:#fff;}
.footer-brand p{font-size:14.5px;line-height:1.8;color:#9A9A93;max-width:340px;}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--cyan);margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:#BFBEB7;font-size:14.5px;}
.footer-col ul a:hover{color:var(--cyan);}
.footer-sub p{font-size:14.5px;color:#9A9A93;margin-bottom:14px;}
.footer-form{display:flex;gap:10px;}
.footer-form input{
  flex:1;height:48px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);color:#fff;
}
.footer-form input::placeholder{color:#7E7E78;}
.footer-form input:focus{outline:0;border-color:var(--cyan);box-shadow:0 0 0 2px rgba(18,216,176,.28);}
.footer-form .btn{height:48px;background:var(--cyan);color:var(--ink);border-color:var(--cyan);}
.footer-form .btn:hover{background:#fff;border-color:#fff;color:var(--ink);}
.footer-bottom{
  padding-top:22px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#7E7E78;
}
.footer-bottom p{margin:0;}

/* ============ 底部转化条 ============ */
.bottom-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  background:var(--ink-deep);border-top:1px solid rgba(255,255,255,.1);
  transform:translateY(0);transition:transform .24s var(--ease);
}
.bottom-bar.is-hidden{transform:translateY(110%);}
.bottom-bar__inner{
  display:flex;align-items:center;gap:18px;height:64px;justify-content:space-between;
}
.bottom-bar__text{color:#E8E7E1;font-size:15px;font-weight:600;}
.bottom-bar__actions{display:flex;align-items:center;gap:12px;}
.bottom-bar .btn{height:42px;padding:0 20px;font-size:14px;background:var(--cyan);color:var(--ink);border-color:var(--cyan);}
.bottom-bar .btn:hover{background:#fff;border-color:#fff;color:var(--ink);}
.bottom-bar__close{
  width:34px;height:34px;border-radius:var(--radius-pill);border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#BFBEB7;font-size:13px;
}
.bottom-bar__close:hover{color:#fff;border-color:var(--cyan);}

/* ============ 动效 ============ */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.fade-up.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .fade-up{opacity:1;transform:none;}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{max-width:1100px;}
}
@media (max-width:1023px){
  :root{--space-sec:72px;}
  .search{display:none;}
  .menu-toggle{display:flex;}
  .topbar__actions .btn{display:none;}
  .page-head h1{font-size:34px;}
  .intro-figure .float-card{left:12px;bottom:-16px;}
  .cta-band{padding:40px 28px;}
  .cta-band h2{font-size:25px;}
  .footer-grid{gap:32px 0;}
  .footer-brand p{max-width:none;}
}
@media (max-width:767px){
  :root{--space-sec:56px;}
  body{padding-bottom:70px;}
  .container{padding:0 16px;}
  .topbar__inner{height:56px;gap:14px;}
  .brand__text{font-size:16px;}
  .page-head__inner{padding:36px 0 44px;}
  .page-head h1{font-size:28px;}
  .page-head .sub{font-size:15.5px;}
  .section-head h2{font-size:23px;}
  .intro-figure img{height:220px;}
  .intro-figure .float-card{position:static;margin-top:14px;display:inline-block;}
  .timeline__item{gap:16px;padding:24px 0;}
  .timeline__num{flex:0 0 46px;width:46px;}
  .timeline__num span{width:40px;height:40px;font-size:16px;border-radius:10px;}
  .timeline__num::after{left:19px;top:48px;bottom:-24px;}
  .timeline__body h3{font-size:18px;}
  .scene-offset{margin-top:0;}
  .faq-q{padding:18px 18px;font-size:16px;}
  .faq-a__inner{padding:0 18px 18px;}
  .cta-band{padding:32px 20px;border-radius:var(--radius-card);}
  .cta-band h2{font-size:22px;}
  .cta-band__actions .btn{width:100%;}
  .footer-form{flex-direction:column;}
  .footer-form .btn{width:100%;}
  .bottom-bar__inner{height:60px;gap:12px;}
  .bottom-bar__text{font-size:13.5px;}
  .bottom-bar .btn{height:38px;padding:0 16px;font-size:13.5px;}
}
@media (max-width:520px){
  .page-head h1{font-size:25px;}
  .btn{width:100%;}
  .btn--sm{width:auto;}
  .cta-band__actions{width:100%;}
}

/* roulang page: category5 */
:root{
  --ink:#111318;
  --ink-deep:#0E1013;
  --accent:#12D8B0;
  --accent-hover:#0EB99A;
  --accent-soft:#E6FBF6;
  --coral:#FF6B4A;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --band:#EFEDE7;
  --text:#14161A;
  --text-2:#5C6169;
  --text-3:#8A9099;
  --line:#E3E0D8;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(17,19,24,.04), 0 8px 24px -12px rgba(17,19,24,.10);
  --sh-2:0 12px 32px -12px rgba(17,19,24,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-bottom:76px;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;}
input,button{font-size:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media screen and (min-width:1440px){
  .container{max-width:1280px;}
}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x > .cell{padding-left:12px;padding-right:12px;}
.grid-margin-y{margin-top:-12px;}
.grid-margin-y > .cell{margin-top:24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px -14px rgba(17,19,24,.35);}
.header-top__inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:64px;
  transition:height .2s var(--ease);
}
.site-header.is-scrolled .header-top__inner{height:56px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;letter-spacing:0;
}
.brand__text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.header-search{
  flex:1 1 auto;
  max-width:420px;
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.header-search i{color:var(--text-3);font-size:14px;}
.header-search input{
  flex:1;border:0;background:transparent;height:100%;
  color:var(--text);outline:none;
}
.header-search input::placeholder{color:var(--text-3);}
.header-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px rgba(18,216,176,.35);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border:0;border-radius:var(--r-btn);
  background:var(--ink);color:#fff;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn:hover{background:var(--accent);color:var(--ink);transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn--pill{border-radius:var(--r-pill);}
.btn--ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn--ghost:hover{background:var(--band);color:var(--ink);}
.btn--accent{background:var(--accent);color:var(--ink);}
.btn--accent:hover{background:var(--accent-hover);color:var(--ink);}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--accent-hover);
  border-bottom:2px solid var(--accent);
  padding-bottom:2px;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.link-arrow i{transition:transform .18s var(--ease);font-size:12px;}
.link-arrow:hover{color:var(--ink);border-color:var(--ink);}
.link-arrow:hover i{transform:translateX(3px);}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Channel tabs ---------- */
.header-tabs{
  border-top:1px solid var(--line);
  background:#fff;
  position:relative;
}
.header-tabs .container{position:relative;}
.header-tabs .container::before,
.header-tabs .container::after{
  content:"";position:absolute;top:0;bottom:0;width:16px;pointer-events:none;z-index:2;
}
.header-tabs .container::before{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0));}
.header-tabs .container::after{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0));}
.tab-list{
  display:flex;align-items:center;gap:8px;
  height:48px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  -ms-overflow-style:none;
  scrollbar-width:none;
}
.tab-list::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;
  scroll-snap-align:start;
  display:inline-flex;align-items:center;
  height:34px;padding:0 16px;
  border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--text-2);
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.tab:hover{background:var(--band);color:var(--ink);}
.tab.is-active{background:var(--ink);color:#fff;}
.tab.is-active:hover{background:var(--ink);color:#fff;}

/* ---------- Mobile drawer ---------- */
.nav-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:12px 0 18px;
}
.nav-drawer.is-open{display:block;}
.nav-drawer ul{display:flex;flex-direction:column;gap:4px;}
.nav-drawer a{
  display:block;padding:12px 14px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;color:var(--text-2);
}
.nav-drawer a:hover{background:var(--band);color:var(--ink);}
.nav-drawer a.is-active{background:var(--ink);color:#fff;}

/* ---------- Page head ---------- */
.page-head{
  position:relative;
  background:var(--ink-deep);
  color:#F2F1EC;
  padding:72px 0 60px;
  overflow:hidden;
}
.page-head__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.26;
}
.page-head__inner{position:relative;z-index:1;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(242,241,236,.66);}
.crumbs li{display:inline-flex;align-items:center;gap:8px;}
.crumbs li + li::before{content:"/";color:rgba(242,241,236,.35);}
.crumbs a:hover{color:var(--accent);}
.crumbs .is-current{color:var(--accent);font-weight:600;}
.page-head h1{
  margin-top:22px;
  font-size:44px;font-weight:800;letter-spacing:-.02em;line-height:1.15;
  color:#fff;
}
.page-head__sub{
  margin-top:14px;max-width:620px;
  font-size:17px;line-height:1.7;color:rgba(242,241,236,.78);
}
.page-head__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}

/* ---------- Badges / pills ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1;
  background:var(--band);color:var(--text-2);
  white-space:nowrap;
}
.badge--ink{background:var(--ink);color:#fff;}
.badge--accent{background:var(--accent-soft);color:var(--accent-hover);}
.badge--coral{background:rgba(255,107,74,.12);color:var(--coral);}
.badge--ghost{background:transparent;border:1px solid var(--line);color:var(--text-2);}

/* ---------- Sections ---------- */
.section{padding:var(--sec) 0;}
.section--tight{padding:64px 0;}
.section--band{background:var(--band);}
.section--card{background:#fff;}
.section__head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:40px;
}
.section__head h2{font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.25;color:var(--ink);}
.section__head p{margin-top:10px;font-size:16px;color:var(--text-2);max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--accent-hover);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px;}

/* ---------- Intro block ---------- */
.intro-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:32px 34px;
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
}
.intro-card p{font-size:16px;line-height:1.85;color:var(--text-2);}
.intro-card strong{color:var(--ink);font-weight:700;}
.intro-facts{
  display:flex;flex-wrap:wrap;gap:12px;
  padding-top:18px;border-top:1px solid var(--line);
}
.intro-facts span{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--text-2);
}
.intro-facts i{color:var(--accent-hover);font-size:13px;}

/* ---------- Feature card (main column) ---------- */
.feature-card{
  display:block;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.feature-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D6D2C7;}
.feature-card__media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--band);
}
.feature-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.feature-card:hover .feature-card__media img{transform:scale(1.03);}
.feature-card__media .badge{position:absolute;left:16px;top:16px;}
.feature-card__body{padding:26px 28px 28px;}
.feature-card__body h3{font-size:24px;font-weight:800;line-height:1.35;letter-spacing:-.01em;color:var(--ink);}
.feature-card__body p{margin-top:12px;font-size:16px;line-height:1.8;color:var(--text-2);}
.card-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:13px;color:var(--text-3);
}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);display:inline-block;}

/* ---------- Row list cards ---------- */
.row-list{display:flex;flex-direction:column;gap:20px;margin-top:24px;}
.row-card{
  display:grid;
  grid-template-columns:220px 1fr;
  gap:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.row-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D6D2C7;}
.row-card__media{overflow:hidden;background:var(--band);}
.row-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.row-card:hover .row-card__media img{transform:scale(1.03);}
.row-card__body{padding:22px 24px;display:flex;flex-direction:column;justify-content:center;}
.row-card__body h3{font-size:19px;font-weight:700;line-height:1.4;color:var(--ink);}
.row-card__body p{margin-top:8px;font-size:15px;line-height:1.75;color:var(--text-2);}
.row-card__foot{
  display:flex;align-items:center;gap:10px;
  margin-top:14px;font-size:13px;color:var(--text-3);
}
.row-card__foot .go{margin-left:auto;color:var(--accent-hover);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.row-card:hover .row-card__foot .go i{transform:translateX(3px);}
.row-card__foot .go i{transition:transform .18s var(--ease);font-size:12px;}

/* ---------- Sidebar ---------- */
.side-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:24px;
}
.side-panel__title{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:14px;border-bottom:1px solid var(--line);
  font-size:17px;font-weight:800;color:var(--ink);
}
.side-panel__title span{font-size:13px;font-weight:600;color:var(--text-3);}
.side-list{display:flex;flex-direction:column;}
.side-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.side-item:last-child{border-bottom:0;padding-bottom:4px;}
.side-item__thumb{
  flex:0 0 76px;width:76px;height:56px;
  border-radius:10px;overflow:hidden;background:var(--band);
}
.side-item__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.side-item:hover .side-item__thumb img{transform:scale(1.04);}
.side-item h4{font-size:15px;font-weight:700;line-height:1.5;color:var(--ink);}
.side-item:hover h4{color:var(--accent-hover);}
.side-item span{display:block;margin-top:6px;font-size:12.5px;color:var(--text-3);}

.side-cta{
  margin-top:24px;
  background:var(--ink-deep);
  border:1px solid rgba(242,241,236,.12);
  border-radius:var(--r-card);
  padding:28px 26px;
  color:#F2F1EC;
}
.side-cta .badge{margin-bottom:16px;}
.side-cta h3{font-size:20px;font-weight:800;line-height:1.4;color:#fff;}
.side-cta p{margin-top:12px;font-size:14.5px;line-height:1.75;color:rgba(242,241,236,.72);}
.side-cta .btn{margin-top:20px;}
.side-cta .side-cta__hint{margin-top:12px;font-size:12.5px;color:rgba(242,241,236,.5);}

/* ---------- Cross links ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.cross-card{
  display:block;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:26px 24px;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.cross-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--accent);}
.cross-card__icon{
  width:44px;height:44px;border-radius:12px;
  background:var(--accent-soft);color:var(--accent-hover);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.cross-card h3{margin-top:18px;font-size:17px;font-weight:700;color:var(--ink);}
.cross-card p{margin-top:8px;font-size:14.5px;line-height:1.7;color:var(--text-2);}
.cross-card .go{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:16px;font-size:14px;font-weight:600;color:var(--accent-hover);
}
.cross-card .go i{font-size:11px;transition:transform .18s var(--ease);}
.cross-card:hover .go i{transform:translateX(3px);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion{background:transparent;border:0;}
.accordion-item{
  background:#fff;
  border:1px solid var(--line) !important;
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  margin-bottom:16px;
  overflow:hidden;
  transition:box-shadow .2s var(--ease);
}
.accordion-item.is-active{box-shadow:var(--sh-2);}
.accordion-title{
  display:block;
  padding:20px 58px 20px 24px;
  border:0 !important;
  background:#fff;
  font-size:17px;font-weight:600;color:var(--ink);
  line-height:1.5;
  position:relative;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.accordion-title:hover{background:#FAF9F5;color:var(--ink);}
.accordion-title::before{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--accent-hover);
  transition:transform .2s var(--ease);
}
.accordion-item.is-active .accordion-title::before{content:"\f068";}
.accordion-item.is-active .accordion-title{
  color:var(--ink);
  box-shadow:inset 3px 0 0 var(--accent);
}
.accordion-content{
  border:0 !important;
  padding:0 24px 22px 24px !important;
  font-size:15px;line-height:1.8;color:var(--text-2);
  background:#fff;
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--accent-soft);
  border-top:1px solid rgba(18,216,176,.28);
  border-bottom:1px solid rgba(18,216,176,.28);
}
.cta-band__inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{font-size:28px;font-weight:800;letter-spacing:-.02em;line-height:1.3;color:var(--ink);}
.cta-band p{margin-top:10px;font-size:16px;color:var(--text-2);max-width:560px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(242,241,236,.72);padding:72px 0 0;}
.footer-grid{padding-bottom:48px;}
.site-footer .brand__mark{background:var(--accent);color:var(--ink);}
.site-footer .brand__text{color:#fff;}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.85;color:rgba(242,241,236,.68);max-width:360px;}
.footer-col h4{
  font-size:14px;font-weight:700;letter-spacing:.08em;
  color:var(--accent);margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14.5px;color:rgba(242,241,236,.72);}
.footer-col a:hover{color:var(--accent);}
.footer-sub p{font-size:14.5px;line-height:1.85;color:rgba(242,241,236,.68);margin-bottom:16px;}
.footer-form{display:flex;gap:10px;}
.footer-form input{
  flex:1;min-width:0;height:48px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  color:var(--text);outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.footer-form input::placeholder{color:var(--text-3);}
.footer-form input:focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(18,216,176,.35);}
.footer-form .btn{height:48px;padding:0 20px;white-space:nowrap;}
.footer-bottom{
  border-top:1px solid rgba(242,241,236,.12);
  padding:22px 0 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(242,241,236,.48);
}

/* ---------- Sticky conversion bar ---------- */
.convert-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:var(--ink-deep);
  border-top:1px solid rgba(242,241,236,.12);
  height:64px;
  display:flex;align-items:center;
}
.convert-bar.is-hidden{display:none;}
.convert-bar__inner{
  display:flex;align-items:center;gap:18px;width:100%;
}
.convert-bar__text{
  font-size:15px;font-weight:600;color:#F2F1EC;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.convert-bar__actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.convert-bar .btn{height:40px;padding:0 20px;font-size:14.5px;}
.convert-bar__close{
  width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(242,241,236,.2);
  background:transparent;color:rgba(242,241,236,.6);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.convert-bar__close:hover{background:rgba(242,241,236,.1);color:#fff;}

/* ---------- Motion ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- Responsive ---------- */
@media screen and (max-width:1200px){
  .row-card{grid-template-columns:190px 1fr;}
}
@media screen and (max-width:1023px){
  :root{--sec:56px;}
  .header-search{display:none;}
  .header-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .page-head{padding:56px 0 46px;}
  .page-head h1{font-size:34px;}
  .page-head__sub{font-size:16px;}
  .section__head h2{font-size:24px;}
  .cross-grid{grid-template-columns:repeat(2,1fr);}
  .side-panel,.side-cta{margin-top:8px;}
  .cta-band h2{font-size:24px;}
}
@media screen and (max-width:767px){
  .container{padding:0 16px;}
  .page-head h1{font-size:30px;}
  .page-head__sub{font-size:15px;}
  .row-card{grid-template-columns:1fr;}
  .row-card__media{aspect-ratio:16/9;}
  .feature-card__body{padding:22px 20px 24px;}
  .feature-card__body h3{font-size:20px;}
  .intro-card{padding:24px 20px;}
  .cross-grid{grid-template-columns:1fr;}
  .footer-form{flex-direction:column;}
  .footer-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{width:100%;}
}
@media screen and (max-width:520px){
  .brand__text{font-size:15.5px;}
  .convert-bar{height:60px;}
  .convert-bar__text{font-size:13.5px;}
  .convert-bar .btn{height:36px;padding:0 14px;font-size:13.5px;}
  .section__head{margin-bottom:26px;}
}