/* roulang page: index */
:root{
  --brand:#F4511E;
  --brand-dark:#C93C10;
  --brand-soft:#FFF1EB;
  --accent:#00CFA0;
  --accent-dark:#00A881;
  --accent-soft:#E6FBF5;
  --warn:#FFD447;
  --ink:#0F1419;
  --ink-2:#161C22;
  --slate:#5B6570;
  --muted:#8A939E;
  --bg:#FFFFFF;
  --bg-soft:#F6F7F9;
  --line:#E5E8EC;
  --radius:16px;
  --radius-sm:12px;
  --shadow-sm:0 1px 2px rgba(15,20,25,.06);
  --shadow:0 1px 2px rgba(15,20,25,.06), 0 8px 24px rgba(15,20,25,.08);
  --shadow-lg:0 16px 40px rgba(15,20,25,.14);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
html body{
  margin:0;background:#fff;color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
html body h1,html body h2,html body h3,html body h4{margin:0;line-height:1.25;font-weight:700;color:var(--ink);}
html body p{margin:0;}
html body a{color:inherit;text-decoration:none;}
html body img{display:block;max-width:100%;height:auto;}
html body button,html body input{font:inherit;color:inherit;}
html body ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px;}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 1px 2px rgba(15,20,25,.05);}
.header-inner{display:flex;align-items:center;gap:14px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,#F4511E,#FF8A3D);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;box-shadow:0 6px 14px rgba(244,81,30,.32);flex:0 0 36px;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
@media(max-width:480px){.brand-text{font-size:14.5px;}}
.nav-desktop{display:none;align-items:center;gap:4px;margin-left:14px;}
@media(min-width:1024px){.nav-desktop{display:flex;}}
.nav-link{padding:8px 14px;border-radius:999px;font-size:15px;font-weight:500;color:var(--slate);transition:color .2s,background-color .2s;}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.is-active{color:var(--brand);background:var(--brand-soft);font-weight:700;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-box{display:none;align-items:center;gap:8px;background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:0 14px;height:40px;transition:border-color .2s,box-shadow .2s;}
@media(min-width:1024px){.search-box{display:flex;width:228px;}}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(244,81,30,.12);}
.search-box input{border:0;background:transparent;outline:0;width:100%;font-size:14px;}
.search-box input::placeholder{color:var(--muted);}
.search-box i{color:var(--muted);font-size:13px;}
.nav-toggle{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink);transition:border-color .2s,color .2s;}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
@media(min-width:1024px){.nav-toggle{display:none;}}
.nav-drawer{max-height:0;overflow:hidden;transition:max-height .3s ease;background:#fff;border-top:1px solid transparent;}
.nav-drawer.is-open{max-height:360px;border-top-color:var(--line);}
@media(min-width:1024px){.nav-drawer{display:none;}}
.nav-drawer-inner{padding:14px 20px 22px;display:flex;flex-direction:column;gap:8px;}
.drawer-link{padding:12px 14px;border-radius:12px;font-size:16px;font-weight:600;color:var(--slate);}
.drawer-link:hover{background:var(--bg-soft);color:var(--brand);}
.drawer-link.is-active{background:var(--brand-soft);color:var(--brand);}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:12px;padding:0 20px;height:44px;font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(244,81,30,.26);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(244,81,30,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:var(--warn);color:var(--ink);transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.42);}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#0F1419;}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.6;}
.hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(9,12,15,.95) 0%,rgba(9,12,15,.84) 44%,rgba(9,12,15,.46) 74%,rgba(9,12,15,.66) 100%);}
.hero-deco{position:absolute;right:-60px;top:-40px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(0,207,160,.26),transparent 66%);pointer-events:none;}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr;gap:40px;padding:64px 0 60px;}
@media(min-width:1024px){.hero-inner{grid-template-columns:minmax(0,1.05fr) minmax(0,.85fr);align-items:center;gap:56px;padding:96px 0 88px;}}
.hero-copy{color:#fff;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.4px;color:#FFD9C7;background:rgba(244,81,30,.18);border:1px solid rgba(244,81,30,.42);border-radius:999px;padding:6px 14px;}
.hero h1{margin-top:18px;font-size:30px;line-height:1.28;color:#fff;font-weight:800;letter-spacing:-.4px;}
@media(min-width:768px){.hero h1{font-size:42px;}}
@media(min-width:1280px){.hero h1{font-size:50px;}}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.78);max-width:580px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.trust-list{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.82);}
.trust-item i{color:var(--accent);}

.hero-panel{background:#161C22;border:1px solid rgba(255,255,255,.13);border-radius:20px;padding:22px;box-shadow:0 24px 60px rgba(0,0,0,.45);}
.panel-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.1);}
.panel-head span:first-child{font-size:14px;color:rgba(255,255,255,.62);}
.panel-tag{font-size:12.5px;font-weight:700;color:#0F1419;background:var(--warn);border-radius:999px;padding:4px 12px;}
.panel-body{padding-top:16px;display:flex;flex-direction:column;gap:14px;}
.panel-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;}
.panel-row dt{font-size:14px;color:rgba(255,255,255,.6);}
.panel-row dd{margin:0;font-size:16px;font-weight:700;color:#fff;}
.panel-row dd.ok{color:var(--accent);}
.progress-track{height:8px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden;}
.progress-fill{height:100%;width:72%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--warn));}
.panel-note{font-size:13px;color:rgba(255,255,255,.5);}
.panel-actions{display:flex;gap:10px;padding-top:6px;}

/* ---------- sections ---------- */
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:88px 0;}}
.section-soft{background:var(--bg-soft);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:32px;}
.section-tag{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.4px;}
.section-tag::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--brand);}
.section-title{margin-top:12px;font-size:26px;font-weight:800;letter-spacing:-.3px;}
@media(min-width:768px){.section-title{font-size:34px;}}
.section-sub{margin-top:12px;font-size:15.5px;color:var(--slate);max-width:660px;}
.link-more{display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:700;color:var(--brand);transition:gap .2s;}
.link-more:hover{gap:11px;text-decoration:underline;}

/* ---------- compare table ---------- */
.compare-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);}
table.compare{width:100%;min-width:880px;border-collapse:collapse;}
.compare th,.compare td{padding:15px 18px;font-size:14.5px;border-bottom:1px solid var(--line);text-align:center;color:var(--ink);}
.compare tbody tr:last-child td{border-bottom:0;}
.compare thead th{background:#fff;padding-top:22px;padding-bottom:20px;vertical-align:top;}
.compare th:first-child,.compare td:first-child{text-align:left;color:var(--slate);font-weight:500;}
.compare thead th:first-child{width:210px;font-size:14px;color:var(--muted);font-weight:600;letter-spacing:.4px;}
.tier-name{display:block;font-size:16px;font-weight:800;color:var(--ink);}
.tier-price{display:block;margin-top:4px;font-size:13.5px;color:var(--slate);}
.tier-flag{display:inline-block;margin-top:8px;font-size:11.5px;font-weight:700;color:#fff;background:var(--brand);border-radius:999px;padding:3px 10px;}
.compare .is-recommended{background:#FFF7F3;}
.compare thead .is-recommended{background:#FFF1EB;border-bottom:2px solid var(--brand);}
.compare .group-row td{background:var(--bg-soft);text-align:left;font-size:13px;font-weight:700;color:var(--slate);letter-spacing:1px;padding-top:12px;padding-bottom:12px;}
.cell-yes{color:var(--accent-dark);font-size:16px;}
.cell-no{color:#C9CFD6;font-size:15px;}
.cell-text{font-size:13.5px;color:var(--slate);}
.compare-note{margin-top:14px;font-size:13.5px;color:var(--muted);}
.scroll-hint{margin-top:10px;font-size:13px;color:var(--muted);display:block;}
@media(min-width:768px){.scroll-hint{display:none;}}

/* ---------- tier cards ---------- */
.tier-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:768px){.tier-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}}
.tier-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s;}
.tier-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#D7DCE2;}
.tier-card.is-featured{border-color:var(--brand);border-width:2px;box-shadow:0 12px 32px rgba(244,81,30,.14);}
.tier-card .fav-flag{position:absolute;top:-13px;left:24px;font-size:12px;font-weight:700;color:#fff;background:var(--brand);border-radius:999px;padding:4px 12px;}
.tier-card .tier-no{font-size:40px;font-weight:800;color:var(--bg-soft);line-height:1;font-variant-numeric:tabular-nums;}
.tier-card h3{margin-top:6px;font-size:20px;}
.tier-card .tier-desc{margin-top:10px;font-size:14.5px;color:var(--slate);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tag{font-size:13px;font-weight:600;color:var(--slate);background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:5px 12px;}
.tag-brand{color:var(--brand);background:var(--brand-soft);border-color:#FFD9C7;}
.tag-accent{color:var(--accent-dark);background:var(--accent-soft);border-color:#B6F0DF;}
.tier-card .tier-foot{margin-top:24px;padding-top:18px;border-top:1px dashed var(--line);}

/* ---------- content cards ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.chip-btn{font-size:14px;font-weight:600;color:var(--slate);background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;cursor:pointer;transition:all .2s;}
.chip-btn:hover{border-color:var(--brand);color:var(--brand);}
.chip-btn.is-active{background:var(--ink);color:#fff;border-color:var(--ink);}
.content-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:640px){.content-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.content-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.content-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s;}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#FFCDB8;}
.content-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,var(--brand),var(--accent));}
.content-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.content-card:hover .content-cover img{transform:scale(1.04);}
.lock-badge{position:absolute;left:12px;bottom:12px;display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;color:#0F1419;background:var(--warn);border-radius:999px;padding:4px 11px;}
.cat-badge{position:absolute;left:12px;top:12px;font-size:12.5px;font-weight:700;color:#fff;background:rgba(15,20,25,.78);border-radius:999px;padding:4px 11px;}
.content-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;}
.content-body h3{font-size:17px;line-height:1.5;}
.content-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}

/* ---------- news ---------- */
.news-feature{display:grid;grid-template-columns:1fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .2s,border-color .2s;}
@media(min-width:768px){.news-feature{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);}}
.news-feature:hover{box-shadow:var(--shadow);border-color:#FFCDB8;}
.news-feature-cover{position:relative;min-height:220px;background:linear-gradient(135deg,var(--brand),var(--accent));}
.news-feature-cover img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.news-feature-body{padding:26px 24px;display:flex;flex-direction:column;gap:12px;}
.news-feature-body h3{font-size:22px;line-height:1.45;}
.news-feature-body p{font-size:15px;color:var(--slate);}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--muted);}
.news-grid{display:grid;grid-template-columns:1fr;gap:18px;margin-top:20px;}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.news-item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px;transition:transform .2s,box-shadow .2s,border-color .2s;}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#FFCDB8;}
.news-thumb{width:76px;height:76px;flex:0 0 76px;border-radius:10px;overflow:hidden;background:linear-gradient(135deg,var(--brand),var(--accent));}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-item-body{min-width:0;display:flex;flex-direction:column;gap:6px;}
.news-item-body h3{font-size:15.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item:hover h3{color:var(--brand);}
.news-item-body p{font-size:13.5px;color:var(--slate);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.chip{display:inline-flex;align-items:center;font-size:12px;font-weight:700;border-radius:999px;padding:3px 10px;}
.chip-brand{color:var(--brand);background:var(--brand-soft);}
.chip-muted{color:var(--slate);background:var(--bg-soft);border:1px solid var(--line);}
.empty-state{background:#fff;border:1px dashed #D7DCE2;border-radius:var(--radius);padding:46px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;}
.empty-state i{font-size:30px;color:#C9CFD6;}
.empty-state p{font-size:15px;color:var(--slate);}
.empty-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:1fr;gap:14px;}
@media(min-width:1024px){.faq-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 22px;align-items:start;}}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);transition:border-color .2s,box-shadow .2s;}
.faq-item:hover{border-color:#D7DCE2;}
.faq-item.is-open{border-color:var(--brand);box-shadow:0 8px 22px rgba(244,81,30,.1);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;background:none;border:0;cursor:pointer;text-align:left;font-size:16.5px;font-weight:700;color:var(--ink);}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;transform:translate(-50%,-50%);transition:transform .25s ease,opacity .25s ease;}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.is-open .faq-a{max-height:360px;}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--slate);}

/* ---------- stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
@media(min-width:1024px){.stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;transition:transform .2s,box-shadow .2s;}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.stat-num{font-size:32px;font-weight:800;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums;}
.stat-label{margin-top:8px;font-size:14.5px;font-weight:700;}
.stat-desc{margin-top:6px;font-size:13.5px;color:var(--muted);}

/* ---------- cta band ---------- */
.cta-band{background:#0F1419;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;left:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(244,81,30,.3),transparent 68%);}
.cta-band::after{content:"";position:absolute;right:-100px;top:-140px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(0,207,160,.24),transparent 68%);}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr;gap:38px;padding:60px 0;}
@media(min-width:1024px){.cta-inner{grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:56px;align-items:center;padding:82px 0;}}
.cta-copy{color:#fff;}
.cta-copy h2{color:#fff;font-size:27px;line-height:1.35;}
@media(min-width:768px){.cta-copy h2{font-size:34px;}}
.cta-copy p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.72);max-width:520px;}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:15px;color:rgba(255,255,255,.86);}
.cta-points i{color:var(--accent);}
.cta-form{background:#161C22;border:1px solid rgba(255,255,255,.13);border-radius:20px;padding:26px;}
.cta-form h3{color:#fff;font-size:19px;}
.cta-form .form-note{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.55);}
.form-field{margin-top:16px;}
.form-field label{display:block;font-size:13.5px;font-weight:600;color:rgba(255,255,255,.72);margin-bottom:7px;}
.form-field input{width:100%;height:46px;border-radius:12px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05);color:#fff;padding:0 15px;font-size:15px;outline:0;transition:border-color .2s,box-shadow .2s;}
.form-field input::placeholder{color:rgba(255,255,255,.36);}
.form-field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(244,81,30,.22);}
.form-actions{margin-top:20px;}
.form-tip{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.45);}

/* ---------- footer ---------- */
.site-footer{background:#0F1419;color:rgba(255,255,255,.7);padding-top:60px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;padding-bottom:44px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.55);max-width:320px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.6);transition:color .2s;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.42);}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--accent);}

/* roulang page: article */
:root{
  --brand:#F4511E;
  --brand-dark:#D93F10;
  --brand-soft:#FFF1EB;
  --accent:#00CFA0;
  --accent-soft:#E6FAF4;
  --highlight:#FFD447;
  --ink:#0F1419;
  --ink-2:#161C22;
  --text:#242B33;
  --slate:#5B6570;
  --bg:#FFFFFF;
  --bg-soft:#F6F7F9;
  --border:#E5E8EC;
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 1px 2px rgba(15,20,25,.06), 0 8px 24px rgba(15,20,25,.08);
  --shadow-sm:0 1px 2px rgba(15,20,25,.06), 0 4px 12px rgba(15,20,25,.06);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",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;height:auto;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--brand);}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;}
section{position:relative;}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 1px 2px rgba(15,20,25,.04);}
.header-inner{display:flex;align-items:center;gap:22px;min-height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);letter-spacing:.2px;flex:0 0 auto;}
.brand:hover{color:var(--ink);}
.brand-mark{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;color:#fff;font-size:16px;background:linear-gradient(135deg,var(--brand) 0%,#FF8A50 100%);box-shadow:0 6px 14px rgba(244,81,30,.28);}
.brand-text{font-size:17px;white-space:nowrap;}
.nav-desktop{display:flex;align-items:center;gap:6px;margin-left:12px;}
.nav-link{position:relative;display:inline-block;padding:8px 14px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;color:var(--slate);transition:color .18s ease,background .18s ease;}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{display:flex;align-items:center;gap:9px;background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius-pill);padding:8px 16px;min-width:250px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;}
.search-box i{color:var(--slate);font-size:13px;}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--text);}
.search-box input::placeholder{color:#9AA3AD;}
.search-box:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(244,81,30,.14);}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--ink);cursor:pointer;align-items:center;justify-content:center;transition:border-color .18s ease,color .18s ease,background .18s ease;}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.nav-drawer{display:none;border-top:1px solid var(--border);background:#fff;}
.nav-drawer-inner{display:flex;flex-direction:column;gap:6px;padding-top:14px;padding-bottom:20px;}
.drawer-link{padding:12px 14px;border-radius:12px;font-weight:600;color:var(--slate);background:var(--bg-soft);}
.drawer-link.is-active,.drawer-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-drawer.is-open{display:block;}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--radius-sm);padding:12px 22px;font-size:15px;font-weight:700;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;white-space:nowrap;}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(244,81,30,.35);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(244,81,30,.24);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(244,81,30,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(244,81,30,.22);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--border);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);transform:translateY(-1px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--ink-2);color:#fff;transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- Chips / Badges ---------- */
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-pill);font-size:13px;font-weight:600;background:var(--bg-soft);color:var(--slate);border:1px solid var(--border);}
.chip-brand{background:var(--brand-soft);color:var(--brand-dark);border-color:rgba(244,81,30,.22);}
.chip-accent{background:var(--accent-soft);color:#018A6C;border-color:rgba(0,207,160,.25);}

/* ---------- Article Hero ---------- */
.article-hero{background:#fff;border-bottom:1px solid var(--border);position:relative;overflow:hidden;padding:34px 0 42px;}
.article-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.10;}
.article-hero::after{content:"";position:absolute;right:-60px;top:-70px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(0,207,160,.22),rgba(0,207,160,0) 68%);}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--slate);}
.breadcrumb a{color:var(--slate);}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;}
.breadcrumb .sep{color:#B4BCC4;}
.breadcrumb .current{color:var(--brand);font-weight:600;}
.article-hero h1{font-size:clamp(28px,3.4vw,42px);line-height:1.28;font-weight:800;color:var(--ink);margin:18px 0 18px;max-width:920px;letter-spacing:-.4px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:14px;color:var(--slate);}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand);font-size:13px;}
.share-group{display:inline-flex;align-items:center;gap:8px;margin-left:auto;}
.share-btn{width:34px;height:34px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--slate);display:grid;place-items:center;cursor:pointer;transition:all .18s ease;}
.share-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);transform:translateY(-1px);}

/* ---------- Article Layout ---------- */
.article-main{padding:52px 0 72px;background:#fff;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:44px;}
.article-body-wrap{min-width:0;}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:var(--text);}
.article-body>*:first-child{margin-top:0;}
.article-body h2{font-size:26px;line-height:1.4;font-weight:800;color:var(--ink);margin:44px 0 16px;padding-left:14px;border-left:4px solid var(--brand);scroll-margin-top:100px;}
.article-body h3{font-size:21px;line-height:1.45;font-weight:700;color:var(--ink);margin:30px 0 12px;scroll-margin-top:100px;}
.article-body h4{font-size:18px;font-weight:700;color:var(--ink);margin:24px 0 10px;}
.article-body p{margin:0 0 20px;}
.article-body strong{color:var(--ink);}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:0;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand);}
.article-body ol{counter-reset:li;padding-left:0;}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:li;}
.article-body ol li::before{content:counter(li);position:absolute;left:0;top:.25em;width:20px;height:20px;border-radius:6px;background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:700;display:grid;place-items:center;}
.article-body blockquote{margin:26px 0;padding:18px 22px;background:var(--bg-soft);border-left:4px solid var(--brand);border-radius:0 12px 12px 0;color:#39424C;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:22px 0 8px;border:1px solid var(--border);}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13.5px;color:var(--slate);text-align:center;margin-top:8px;}
.article-body a{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand);}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;font-size:15px;border:1px solid var(--border);border-radius:12px;overflow:hidden;}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--border);text-align:left;}
.article-body th{background:var(--bg-soft);font-weight:700;color:var(--ink);}
.article-body tr:last-child td{border-bottom:0;}
.article-body code{background:var(--bg-soft);border:1px solid var(--border);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--brand-dark);}
.article-body pre{background:var(--ink);color:#E8ECF0;border-radius:12px;padding:18px;overflow-x:auto;margin:24px 0;font-size:14px;line-height:1.7;}
.article-body pre code{background:transparent;border:0;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px dashed var(--border);margin:32px 0;}

.article-empty{max-width:760px;background:var(--bg-soft);border:1px dashed var(--border);border-radius:var(--radius);padding:48px 28px;text-align:center;}
.article-empty i{font-size:30px;color:var(--brand);}
.article-empty h2{font-size:22px;font-weight:800;color:var(--ink);margin:16px 0 10px;}
.article-empty p{color:var(--slate);margin-bottom:22px;}

.article-tags{max-width:760px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border);}
.article-tags .label{font-size:14px;font-weight:700;color:var(--ink);}
.tag-link{padding:6px 14px;border-radius:var(--radius-pill);background:var(--bg-soft);border:1px solid var(--border);font-size:13.5px;font-weight:600;color:var(--slate);transition:all .18s ease;}
.tag-link:hover{background:var(--brand-soft);border-color:rgba(244,81,30,.3);color:var(--brand-dark);transform:translateY(-1px);}

.post-nav{max-width:760px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:28px;}
.post-nav-item{border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;background:#fff;transition:all .2s ease;}
.post-nav-item:hover{border-color:var(--brand);box-shadow:var(--shadow-sm);transform:translateY(-2px);}
.post-nav-item span{display:block;font-size:12.5px;font-weight:700;color:var(--brand);letter-spacing:.5px;margin-bottom:8px;}
.post-nav-item strong{display:block;font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.5;}
.post-nav-item.older{text-align:right;}
.back-list{max-width:760px;margin-top:24px;}

/* ---------- Aside ---------- */
.article-aside{display:flex;flex-direction:column;gap:20px;}
.side-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);}
.side-card h3{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--brand);font-size:14px;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{display:block;font-size:14px;color:var(--slate);padding:8px 10px;border-radius:10px;border-left:2px solid transparent;transition:all .18s ease;}
.toc-list a:hover{background:var(--brand-soft);color:var(--brand-dark);border-left-color:var(--brand);}
.hot-list{display:flex;flex-direction:column;gap:14px;}
.hot-item{display:flex;gap:12px;align-items:flex-start;}
.hot-item .idx{flex:0 0 24px;height:24px;border-radius:8px;background:var(--bg-soft);color:var(--slate);font-size:12.5px;font-weight:800;display:grid;place-items:center;font-variant-numeric:tabular-nums;}
.hot-item:first-child .idx{background:var(--brand);color:#fff;}
.hot-item a{font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.55;}
.hot-item a:hover{color:var(--brand);}
.side-cta{background:var(--ink);border-color:var(--ink);color:#D8DEE4;}
.side-cta h3{color:#fff;}
.side-cta h3 i{color:var(--highlight);}
.side-cta p{font-size:14px;line-height:1.75;margin-bottom:16px;}
.side-cta ul{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.side-cta li{font-size:13.5px;display:flex;align-items:center;gap:8px;}
.side-cta li i{color:var(--accent);font-size:12px;}

/* ---------- Sections ---------- */
.section{padding:72px 0;}
.section-soft{background:var(--bg-soft);}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1.2px;color:var(--brand);text-transform:uppercase;margin-bottom:12px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;color:var(--ink);letter-spacing:-.3px;}
.section-head p{margin-top:12px;color:var(--slate);font-size:15.5px;}

.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rec-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:all .22s ease;}
.rec-card:hover{border-color:var(--brand);box-shadow:var(--shadow);transform:translateY(-4px);}
.rec-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--brand),var(--accent));}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rec-card:hover .thumb img{transform:scale(1.05);}
.rec-card .thumb .chip{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);border-color:transparent;}
.rec-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-card h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;}
.rec-card p{font-size:14.5px;color:var(--slate);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#8A939C;padding-top:6px;}
.rec-card .foot .more{color:var(--brand);font-weight:700;font-size:13.5px;}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);border-radius:24px;padding:48px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;left:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(244,81,30,.36),rgba(244,81,30,0) 70%);}
.cta-copy{position:relative;z-index:2;}
.cta-copy h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;color:#fff;letter-spacing:-.3px;}
.cta-copy p{color:#B9C2CB;margin-top:14px;font-size:15.5px;max-width:520px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.cta-points span{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:#E6EBEF;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-pill);padding:7px 14px;}
.cta-points i{color:var(--accent);font-size:12px;}
.cta-form{position:relative;z-index:2;background:#fff;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.cta-form h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:6px;}
.cta-form p{font-size:13.5px;color:var(--slate);margin-bottom:18px;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:14px;}
.field label{font-size:13.5px;font-weight:700;color:var(--ink);}
.field input{width:100%;border:1px solid var(--border);border-radius:var(--radius-pill);padding:12px 18px;font-size:15px;background:#fff;outline:none;transition:border-color .18s ease,box-shadow .18s ease;}
.field input::placeholder{color:#9AA3AD;}
.field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(244,81,30,.16);}
.form-note{font-size:12.5px;color:#8A939C;margin-top:12px;line-height:1.6;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#AEB7C0;padding:60px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14.5px;line-height:1.8;max-width:340px;color:#98A2AC;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14.5px;color:#AEB7C0;transition:color .18s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13.5px;color:#8A939C;}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .search-box{min-width:200px;}
  .brand-text{font-size:16px;}
}
@media (max-width:1023px){
  .nav-desktop{display:none;}
  .nav-toggle{display:inline-flex;}
  .search-box{display:none;}
  .header-inner{gap:14px;}
  .article-layout{gap:32px;}
  .article-aside{position:static;}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;border-radius:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:48px;}
  .article-aside{position:sticky;top:92px;align-self:start;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:52px 0;}
  .article-main{padding:36px 0 56px;}
  .article-hero{padding:24px 0 32px;}
  .rec-grid{grid-template-columns:1fr 1fr;gap:18px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-item.older{text-align:left;}
  .share-group{margin-left:0;width:100%;}
  .article-body{font-size:16.5px;}
}
@media (max-width:520px){
  .brand-text{font-size:14px;}
  .brand-mark{width:32px;height:32px;border-radius:10px;font-size:14px;}
  .rec-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .cta-form{padding:20px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:19px;}
  .btn{padding:11px 18px;font-size:14.5px;}
}

/* roulang page: category1 */
:root{
  --brand:#F4511E;
  --brand-dark:#D8430F;
  --accent:#00CFA0;
  --accent-dark:#00A67F;
  --yellow:#FFD447;
  --ink:#0F1419;
  --ink-2:#161C22;
  --slate:#5B6570;
  --soft:#F6F7F9;
  --line:#E5E8EC;
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(15,20,25,.06);
  --shadow-md:0 1px 2px rgba(15,20,25,.06),0 8px 24px rgba(15,20,25,.08);
  --shadow-lg:0 12px 36px rgba(15,20,25,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease)}
a:hover{color:var(--brand)}
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;color:inherit}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(15,20,25,.04);
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand) 0%,#FF8A3D 60%,var(--yellow) 130%);
  color:#fff;font-size:17px;
  box-shadow:0 6px 16px rgba(244,81,30,.28);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.2px;color:var(--ink);white-space:nowrap}
.brand:hover .brand-text{color:var(--brand)}
.nav-desktop{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:15.5px;font-weight:600;color:var(--slate);white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:rgba(244,81,30,.07)}
.nav-link.is-active{color:var(--brand);background:rgba(244,81,30,.09)}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:3px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:0 14px;height:42px;width:260px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.search-box i{color:var(--slate);font-size:14px}
.search-box input{
  flex:1;min-width:0;border:0;background:transparent;height:100%;
  font-size:14.5px;color:var(--ink);outline:none;
}
.search-box input::placeholder{color:#98A1AB}
.search-box:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(244,81,30,.14)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);font-weight:700;font-size:15.5px;
  padding:0 22px;height:48px;border:1px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-sm{height:42px;padding:0 20px;font-size:15px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(244,81,30,.24)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(244,81,30,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(244,81,30,.24)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#04231B;box-shadow:0 6px 18px rgba(0,207,160,.25)}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.btn-block{width:100%}
.btn-lg{height:54px;font-size:16.5px;padding:0 28px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-sm);
  border:1px solid var(--line);color:var(--ink);font-size:17px;
  align-items:center;justify-content:center;background:#fff;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.nav-drawer{display:none;border-top:1px solid var(--line);background:#fff}
.nav-drawer.is-open{display:block;animation:drawerIn .22s var(--ease)}
@keyframes drawerIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.nav-drawer-inner{display:flex;flex-direction:column;gap:4px;padding-top:12px;padding-bottom:18px}
.drawer-link{padding:12px 14px;border-radius:var(--radius-sm);font-weight:600;color:var(--slate);font-size:16px}
.drawer-link:hover{background:var(--soft);color:var(--brand)}
.drawer-link.is-active{background:rgba(244,81,30,.09);color:var(--brand)}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-color:#fff;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.92) 46%,rgba(255,255,255,.68) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center right;
  opacity:.95;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(0,207,160,.16),rgba(0,207,160,0) 68%);
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;padding:56px 24px 64px;max-width:1240px;margin:0 auto}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--slate);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--slate)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb i{font-size:10px;color:#B4BCC5}
.breadcrumb .current{color:var(--brand);font-weight:600}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(244,81,30,.1);color:var(--brand);
  font-size:13.5px;font-weight:700;letter-spacing:.4px;
  padding:6px 14px;border-radius:var(--radius-pill);
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.22;letter-spacing:-1px;font-weight:800;
  margin:18px 0 16px;max-width:820px;
}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.page-hero p.lead{font-size:17.5px;color:var(--slate);max-width:660px;line-height:1.8}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:8px 16px;font-size:14px;font-weight:600;color:var(--ink);box-shadow:var(--shadow-sm);
}
.chip i{color:var(--accent)}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;
  margin-top:38px;max-width:760px;
}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow-sm);
}
.stat-card b{display:block;font-size:26px;font-weight:800;letter-spacing:-.5px;color:var(--ink)}
.stat-card b span{font-size:14px;font-weight:700;color:var(--brand);margin-left:2px}
.stat-card small{display:block;font-size:13.5px;color:var(--slate);margin-top:2px}

/* ---------- Sections ---------- */
.section{padding:80px 0}
.section-soft{background:var(--soft)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:1.4px;
  color:var(--accent-dark);text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{
  font-size:clamp(25px,3.1vw,34px);line-height:1.28;font-weight:800;letter-spacing:-.6px;
}
.section-head p{margin-top:12px;color:var(--slate);font-size:16.5px}

/* ---------- Benefit table ---------- */
.table-shell{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-md);overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.benefit-table{width:100%;min-width:860px;border-collapse:collapse;font-size:15.5px}
.benefit-table thead th{
  position:relative;
  padding:20px 18px;text-align:left;vertical-align:bottom;
  border-bottom:1px solid var(--line);
  background:#fff;
}
.benefit-table thead th.col-item{
  width:26%;font-size:14.5px;color:var(--slate);font-weight:700;letter-spacing:.3px;
}
.benefit-table thead th .tier-name{display:block;font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.3px}
.benefit-table thead th .tier-price{display:block;font-size:14px;color:var(--slate);margin-top:4px}
.benefit-table thead th .tier-price b{color:var(--brand);font-size:20px;font-weight:800;margin-right:2px}
.benefit-table thead th.is-recommended{
  background:linear-gradient(180deg,rgba(244,81,30,.08),rgba(244,81,30,.02));
  border-left:1px solid rgba(244,81,30,.2);border-right:1px solid rgba(244,81,30,.2);
}
.benefit-table thead th.is-recommended .tier-name{color:var(--brand)}
.badge-rec{
  position:absolute;top:10px;right:14px;
  background:var(--brand);color:#fff;font-size:11.5px;font-weight:800;letter-spacing:.6px;
  padding:3px 10px;border-radius:var(--radius-pill);
}
.benefit-table tbody td{
  padding:16px 18px;border-bottom:1px solid var(--line);vertical-align:middle;color:var(--ink);
}
.benefit-table tbody td:first-child{font-weight:600;color:var(--ink)}
.benefit-table tbody td.is-recommended{
  background:rgba(244,81,30,.045);
  border-left:1px solid rgba(244,81,30,.2);border-right:1px solid rgba(244,81,30,.2);
}
.benefit-table tbody tr:last-child td{border-bottom:0}
.benefit-table tbody tr:hover td{background:#FCFCFD}
.benefit-table tbody tr:hover td.is-recommended{background:rgba(244,81,30,.075)}
.group-row td{
  background:var(--soft)!important;
  font-size:13.5px;font-weight:800;letter-spacing:1px;color:var(--slate);
  padding:11px 18px!important;text-transform:uppercase;
}
.val{display:inline-flex;align-items:center;gap:8px;font-size:15px}
.val i{font-size:14px}
.val-yes{color:var(--accent-dark);font-weight:700}
.val-yes i{color:var(--accent)}
.val-no{color:#A9B1B9}
.val-no i{color:#C6CCD2}
.val-text{color:var(--ink)}
.val-text i{color:var(--brand)}
.table-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 22px;border-top:1px solid var(--line);background:#FCFCFD;
}
.table-foot p{font-size:14px;color:var(--slate)}
.table-foot .scroll-hint{display:none;font-size:13.5px;color:var(--brand);font-weight:600}

/* ---------- Tier cards ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.tier-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px 26px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D7DCE2}
.tier-card.is-featured{
  border:2px solid var(--brand);box-shadow:0 12px 32px rgba(244,81,30,.16);
}
.tier-tag{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12.5px;font-weight:800;letter-spacing:.6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:var(--soft);color:var(--slate);
}
.tier-card.is-featured .tier-tag{background:rgba(244,81,30,.12);color:var(--brand)}
.tier-no{
  font-size:44px;font-weight:800;letter-spacing:-2px;line-height:1;color:var(--ink);
  margin:18px 0 6px;font-variant-numeric:tabular-nums;
}
.tier-card.is-featured .tier-no{color:var(--brand)}
.tier-name{font-size:18px;font-weight:800;margin-bottom:4px}
.tier-desc{font-size:14.5px;color:var(--slate);margin-bottom:18px}
.tier-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.tag{
  display:inline-block;font-size:13px;font-weight:600;color:var(--slate);
  background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:5px 12px;
}
.tier-card.is-featured .tag{background:rgba(0,207,160,.09);border-color:rgba(0,207,160,.28);color:#06795F}
.tier-foot{margin-top:auto;padding-top:16px;border-top:1px dashed var(--line)}
.tier-link{font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:7px;font-size:15px}
.tier-link i{transition:transform .2s var(--ease)}
.tier-link:hover i{transform:translateX(4px)}

/* ---------- Content preview ---------- */
.preview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.preview-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.preview-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand)}
.preview-media{position:relative;aspect-ratio:16/10;background:linear-gradient(135deg,var(--brand),var(--accent));overflow:hidden}
.preview-media img{width:100%;height:100%;object-fit:cover}
.preview-media .lock{
  position:absolute;top:12px;right:12px;
  background:rgba(15,20,25,.82);color:#fff;font-size:12.5px;font-weight:700;
  padding:5px 11px;border-radius:var(--radius-pill);display:inline-flex;align-items:center;gap:6px;
}
.preview-media .cat{
  position:absolute;left:12px;bottom:12px;
  background:rgba(255,255,255,.94);color:var(--ink);font-size:12.5px;font-weight:700;
  padding:5px 12px;border-radius:var(--radius-pill);
}
.preview-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.preview-body h3{font-size:17.5px;font-weight:700;line-height:1.45;margin-bottom:8px}
.preview-body p{font-size:14.5px;color:var(--slate);line-height:1.7;margin-bottom:14px}
.preview-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;color:var(--slate);padding-top:12px;border-top:1px solid var(--line);
}
.preview-meta .num{font-weight:700;color:var(--ink)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow-sm);
}
.step-no{
  width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),#FF8A3D);color:#fff;font-weight:800;font-size:15px;
  margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--slate);line-height:1.72}
.step::after{
  content:"";position:absolute;top:42px;right:-13px;width:26px;height:2px;
  background:linear-gradient(90deg,var(--line),transparent);
}
.steps .step:last-child::after{display:none}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 84px}
.cta-box{
  position:relative;overflow:hidden;border-radius:22px;background:var(--ink);color:#fff;
  padding:54px 48px;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
}
.cta-box::before{
  content:"";position:absolute;left:-60px;bottom:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(244,81,30,.34),rgba(244,81,30,0) 70%);
}
.cta-box::after{
  content:"";position:absolute;right:-40px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(0,207,160,.22),rgba(0,207,160,0) 70%);
}
.cta-left,.cta-right{position:relative;z-index:2}
.cta-box h2{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.5px;line-height:1.3}
.cta-box p.cta-sub{color:#C3CAD2;font-size:16px;margin-top:12px;max-width:520px}
.cta-points{display:grid;gap:12px;margin-top:26px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15.5px;color:#E4E8ED}
.cta-points i{color:var(--accent);margin-top:5px}
.cta-form{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);padding:26px 24px;backdrop-filter:blur(2px);
}
.cta-form h3{font-size:17.5px;font-weight:800;margin-bottom:6px}
.cta-form p{font-size:14px;color:#B9C1CA;margin-bottom:18px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.field label{font-size:13.5px;font-weight:700;color:#D5DBE2}
.field input{
  height:48px;border-radius:var(--radius-pill);border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);padding:0 18px;color:#fff;font-size:15px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field input::placeholder{color:#8E97A1}
.field input:focus{border-color:var(--accent);background:rgba(255,255,255,.12);box-shadow:0 0 0 3px rgba(0,207,160,.22)}
.form-note{font-size:13px;color:#98A1AB;margin-top:12px;line-height:1.6}
.form-msg{
  display:none;margin-top:14px;font-size:14px;font-weight:600;
  background:rgba(0,207,160,.14);border:1px solid rgba(0,207,160,.35);color:#7FF0D4;
  border-radius:var(--radius-sm);padding:11px 14px;
}
.form-msg.is-visible{display:block}
.form-msg.is-error{background:rgba(244,81,30,.16);border-color:rgba(244,81,30,.45);color:#FFBBA3}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:#D7DCE2}
.faq-item.is-open{border-color:var(--brand);box-shadow:0 8px 26px rgba(244,81,30,.12)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:20px 22px;font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--soft);color:var(--slate);font-size:13px;
  transition:transform .25s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.faq-item.is-open .faq-icon{background:var(--brand);color:#fff;transform:rotate(180deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-a-inner{padding:0 22px 22px;font-size:15.5px;line-height:1.85;color:var(--slate);border-top:1px solid var(--line);padding-top:16px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#C3CAD2;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.8;color:#98A1AB;max-width:360px}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.3px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14.5px;color:#AEB7C0}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:#8E97A1;
}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .search-box{width:200px}
  .nav-link{padding:9px 11px;font-size:15px}
}
@media (max-width:1023px){
  .header-inner{height:66px;gap:16px}
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex}
  .search-box{display:none}
  .brand-text{font-size:17.5px}
  .section{padding:64px 0}
  .cta-box{grid-template-columns:1fr;padding:40px 30px;gap:32px}
  .tier-grid,.preview-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr))}
  .table-foot .scroll-hint{display:inline}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .page-hero-inner{padding:40px 20px 48px}
  .page-hero p.lead{font-size:16px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .faq-grid{grid-template-columns:1fr}
  .cta-section{padding:0 0 64px}
  .section{padding:56px 0}
  .section-head{margin-bottom:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:560px){
  .brand-text{font-size:15.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:190px}
  .brand-mark{width:34px;height:34px;font-size:15px}
  .tier-grid,.preview-grid,.steps,.hero-stats{grid-template-columns:1fr}
  .page-hero h1{font-size:29px}
  .cta-box{padding:34px 20px;border-radius:18px}
  .footer-grid{grid-template-columns:1fr}
  .faq-q{font-size:16px;padding:17px 18px}
  .faq-a-inner{padding:14px 18px 18px}
  .table-foot{padding:16px 18px}
  .btn{width:100%}
  .btn.btn-sm{width:auto}
  .header-actions .btn-sm{display:none}
}

/* roulang page: category2 */
:root{
  --brand:#F4511E;
  --brand-dark:#D94111;
  --brand-soft:#FFF1EA;
  --accent:#00CFA0;
  --accent-soft:#E6FBF5;
  --highlight:#FFD447;
  --ink:#0F1419;
  --ink-2:#161C22;
  --muted:#5B6570;
  --muted-2:#8A939C;
  --bg:#FFFFFF;
  --bg-soft:#F6F7F9;
  --line:#E5E8EC;
  --radius-s:10px;
  --radius:16px;
  --radius-l:22px;
  --shadow-s:0 1px 2px rgba(15,20,25,.06);
  --shadow:0 1px 2px rgba(15,20,25,.06),0 8px 24px rgba(15,20,25,.08);
  --shadow-hover:0 2px 4px rgba(15,20,25,.06),0 14px 34px rgba(15,20,25,.12);
  --sp:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(15,20,25,.04);
}
.header-inner{display:flex;align-items:center;gap:18px;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#FF8148);
  color:#fff;font-size:15px;box-shadow:0 6px 16px rgba(244,81,30,.32);
}
.brand-text{font-size:17px;letter-spacing:.2px;white-space:nowrap}
.nav-desktop{display:flex;align-items:center;gap:6px;margin-left:14px}
.nav-link{
  padding:8px 16px;border-radius:999px;font-size:15px;font-weight:600;color:var(--muted);
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--bg-soft);color:var(--brand)}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--bg-soft);border:1px solid transparent;border-radius:999px;
  padding:8px 14px;color:var(--muted-2);transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(244,81,30,.12)}
.search-box input{
  border:0;background:transparent;outline:none;width:190px;font-size:14px;color:var(--ink);
}
.search-box input::placeholder{color:var(--muted-2)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;place-items:center;
  background:var(--bg-soft);color:var(--ink);font-size:16px;
}
.nav-drawer{display:none;border-top:1px solid var(--line);background:#fff}
.nav-drawer.is-open{display:block}
.nav-drawer-inner{display:flex;flex-direction:column;gap:6px;padding:14px 24px 20px}
.drawer-link{padding:12px 14px;border-radius:12px;font-weight:600;color:var(--ink)}
.drawer-link:hover{background:var(--bg-soft);color:var(--brand)}
.drawer-link.is-active{background:var(--brand-soft);color:var(--brand)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;font-weight:700;font-size:15px;
  padding:12px 22px;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:999px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(244,81,30,.26)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(244,81,30,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-light:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-1px)}
.btn-block{width:100%}

/* ---------- page head ---------- */
.page-head{background:#fff;border-bottom:1px solid var(--line);padding:46px 0 44px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--brand);font-weight:600}
.page-head-grid{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:44px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.page-head h1{font-size:38px;line-height:1.24;letter-spacing:.3px}
.page-head h1 .hl{color:var(--brand)}
.page-head .lead{margin-top:16px;font-size:17px;color:var(--muted);max-width:620px;line-height:1.85}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.head-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.point{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);background:var(--bg-soft);
  border:1px solid var(--line);border-radius:999px;padding:7px 14px;
}
.point i{color:var(--accent)}
.head-visual{position:relative}
.head-visual img{border-radius:var(--radius-l);box-shadow:var(--shadow);width:100%;aspect-ratio:4/3;object-fit:cover}
.head-badge{
  position:absolute;left:-16px;bottom:-18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:14px 18px;box-shadow:var(--shadow);min-width:190px;
}
.head-badge strong{display:block;font-size:22px;color:var(--brand);line-height:1.2}
.head-badge span{font-size:13px;color:var(--muted)}

/* ---------- sections ---------- */
.section{padding:76px 0}
.section-soft{background:var(--bg-soft)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:31px}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head-row .section-head{margin-bottom:0}

/* ---------- timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.tl-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px 24px;box-shadow:var(--shadow-s);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card::before{content:"";position:absolute;left:22px;right:22px;top:0;height:3px;border-radius:0 0 4px 4px;background:var(--brand);opacity:.85}
.tl-card:nth-child(2)::before{background:var(--accent)}
.tl-card:nth-child(3)::before{background:var(--highlight)}
.tl-card:nth-child(4)::before{background:var(--muted)}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#DDE2E7}
.tl-time{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.4px}
.tl-card h3{font-size:18px;margin-top:8px}
.tl-card p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- feed list ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  font-size:13px;font-weight:600;color:var(--muted);background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:7px 15px;
}
.chip:hover{color:var(--brand);border-color:var(--brand)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff}

.feed-feature{
  display:grid;grid-template-columns:360px minmax(0,1fr);gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  overflow:hidden;box-shadow:var(--shadow);margin-bottom:22px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feed-feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#DDE2E7}
.feed-feature img{width:100%;height:100%;min-height:260px;object-fit:cover;border-radius:0}
.feed-feature-body{padding:30px 32px;display:flex;flex-direction:column;justify-content:center}
.feed-topline{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;
  padding:5px 12px;border-radius:999px;background:var(--accent-soft);color:#018C6C;
}
.tag.tag-brand{background:var(--brand-soft);color:var(--brand)}
.feed-feature h3{font-size:23px;line-height:1.42}
.feed-feature p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.85}
.feed-date-inline{font-size:13px;color:var(--muted-2);font-variant-numeric:tabular-nums}

.feed-list{display:flex;flex-direction:column;gap:14px}
.feed-item{
  display:grid;grid-template-columns:104px minmax(0,1fr) auto;gap:22px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feed-item:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--brand)}
.feed-date{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-s);
  padding:10px 8px;text-align:center;
}
.feed-date strong{display:block;font-size:17px;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.3}
.feed-date span{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.feed-main h3{font-size:17.5px;line-height:1.5}
.feed-main p{margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.8}
.feed-meta{display:flex;align-items:center;gap:12px;margin-top:10px;flex-wrap:wrap}
.feed-meta .meta-text{font-size:13px;color:var(--muted-2);font-variant-numeric:tabular-nums}
.feed-go{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand);
  white-space:nowrap;
}
.feed-go i{transition:transform .2s ease}
.feed-item:hover .feed-go i{transform:translateX(4px)}

/* ---------- pager ---------- */
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:34px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:12px;background:#fff;font-size:14px;font-weight:600;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.pager a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:#fff}
.pager .is-disabled{color:var(--muted-2);opacity:.6;cursor:not-allowed}
.pager-note{text-align:center;font-size:13px;color:var(--muted-2);margin-top:14px}

/* ---------- tags cloud ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag-item{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:10px 18px;font-size:14.5px;font-weight:600;color:var(--ink);
  transition:all .2s ease;
}
.tag-item span{font-size:12.5px;color:var(--muted-2);font-variant-numeric:tabular-nums}
.tag-item:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-s)}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.is-open{border-color:var(--brand);box-shadow:var(--shadow-s)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:17px;font-weight:700;color:var(--ink);
}
.faq-q i{
  flex-shrink:0;width:28px;height:28px;border-radius:999px;display:grid;place-items:center;
  background:var(--bg-soft);color:var(--muted);font-size:12px;transition:transform .25s ease,background .2s ease,color .2s ease;
}
.faq-item.is-open .faq-q i{background:var(--brand);color:#fff;transform:rotate(180deg)}
.faq-a{display:none;padding:0 22px 22px;font-size:15px;color:var(--muted);line-height:1.85}
.faq-item.is-open .faq-a{display:block}

/* ---------- cta ---------- */
.cta-band{
  position:relative;background-color:var(--ink);
  background-image:linear-gradient(100deg,rgba(15,20,25,.96) 0%,rgba(15,20,25,.88) 48%,rgba(15,20,25,.72) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-radius:0;padding:76px 0;color:#fff;
}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:48px;align-items:center}
.cta-band h2{font-size:32px;color:#fff}
.cta-band .cta-sub{margin-top:14px;color:rgba(255,255,255,.74);font-size:16px;line-height:1.85;max-width:560px}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-top:26px}
.cta-points li{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:rgba(255,255,255,.86)}
.cta-points i{color:var(--accent);margin-top:5px}
.cta-form{background:#fff;border-radius:var(--radius-l);padding:30px;color:var(--ink);box-shadow:0 24px 60px rgba(0,0,0,.28)}
.cta-form h3{font-size:20px}
.cta-form .form-note{margin-top:10px;font-size:13.5px;color:var(--muted)}
.field{margin-top:18px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:8px}
.field input{
  width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--ink);outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--muted-2)}
.field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(244,81,30,.14)}
.form-actions{margin-top:22px}
.form-tip{margin-top:14px;font-size:12.5px;color:var(--muted-2);line-height:1.7}
.form-success{
  display:none;margin-top:16px;background:var(--accent-soft);color:#018C6C;
  border-radius:12px;padding:12px 16px;font-size:14px;font-weight:600;
}
.form-success.is-visible{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.74);padding:64px 0 28px}
.site-footer .brand{color:#fff}
.site-footer .brand-text{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;max-width:340px;color:rgba(255,255,255,.62)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.4px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .page-head-grid{grid-template-columns:minmax(0,1fr) 340px;gap:34px}
  .cta-grid{grid-template-columns:minmax(0,1fr) 380px;gap:36px}
}
@media (max-width:1023px){
  .nav-desktop{display:none}
  .search-box{display:none}
  .nav-toggle{display:grid}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
  .page-head-grid{grid-template-columns:1fr;gap:30px}
  .head-visual{max-width:560px}
  .head-badge{left:auto;right:16px}
  .feed-feature{grid-template-columns:1fr}
  .feed-feature img{min-height:210px}
  .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .header-inner{height:64px}
  .brand-text{font-size:15px}
  .page-head{padding:34px 0 32px}
  .page-head h1{font-size:30px}
  .page-head .lead{font-size:15.5px}
  .section{padding:54px 0}
  .section-head h2{font-size:25px}
  .faq-grid{grid-template-columns:1fr}
  .cta-band{padding:56px 0}
  .cta-band h2{font-size:25px}
  .cta-form{padding:24px}
  .feed-item{grid-template-columns:84px minmax(0,1fr);gap:16px;padding:18px}
  .feed-go{grid-column:2;justify-self:start;margin-top:6px}
  .feed-date strong{font-size:15px}
}
@media (max-width:520px){
  .brand-text{font-size:14px;letter-spacing:0}
  .brand-mark{width:30px;height:30px;font-size:13px}
  .timeline{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .head-actions .btn{width:100%}
  .feed-feature-body{padding:22px}
  .feed-feature h3{font-size:19px}
  .feed-item{grid-template-columns:1fr}
  .feed-date{display:flex;align-items:center;justify-content:center;gap:10px;padding:8px}
  .feed-date strong{font-size:14px}
  .feed-go{grid-column:1}
}