/* roulang page: index */
:root{
  --ink:#15171C;
  --lime:#C8F24E;
  --lime-deep:#B2DC35;
  --lime-soft:#F3FBDD;
  --slate:#47545C;
  --amber:#E8A33D;
  --paper:#F6F6F2;
  --white:#FFFFFF;
  --dark:#12141A;
  --hover-row:#FAFBF7;
  --bd:#E2E4DE;
  --bd-dark:#2A2E36;
  --text:#2A2E33;
  --muted:#6B7480;
  --text-on-dark:#C9CDD3;
  --r-card:16px;
  --r-img:12px;
  --r-badge:6px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(21,23,28,.04);
  --sh-2:0 8px 24px -12px rgba(21,23,28,.12);
  --sh-3:0 16px 40px -16px rgba(21,23,28,.22);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sec:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:104px;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Noto Sans SC","Source Han Sans SC","Hiragino Sans GB",-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--slate);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;box-shadow:0 0 0 4px rgba(200,242,78,.28);border-radius:4px;}
.wrap{max-width:1280px;margin:0 auto;padding:0 32px;}
.sec{padding:var(--sec) 0;}
.sec-white{background:var(--white);}
.sec-paper{background:var(--paper);}
.sec-dark{background:var(--dark);color:var(--text-on-dark);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px;}
.sec-head h2{font-size:38px;font-weight:700;line-height:1.2;letter-spacing:-.01em;color:var(--ink);}
.sec-head .sub{margin-top:12px;color:var(--muted);font-size:16px;max-width:640px;}
.sec-dark .sec-head h2{color:#fff;}
.sec-dark .sec-head .sub{color:var(--text-on-dark);}
.link-arrow{color:var(--ink);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:8px;white-space:nowrap;border-bottom:1px solid var(--bd);padding-bottom:4px;}
.link-arrow i{transition:transform .2s var(--ease);color:var(--slate);}
.link-arrow:hover{color:var(--ink);border-color:var(--lime);}
.link-arrow:hover i{transform:translateX(4px);color:var(--ink);}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.06em;color:var(--slate);border:1px solid var(--bd);border-radius:var(--r-badge);padding:5px 10px;background:var(--white);}
.badge{display:inline-block;font-size:13px;letter-spacing:.06em;border-radius:var(--r-badge);padding:4px 10px;line-height:1.5;}
.badge-line{border:1px solid var(--bd);color:var(--slate);background:var(--white);}
.badge-solid{background:var(--lime);color:var(--ink);font-weight:600;}
.badge-warn{border:1px solid var(--amber);color:var(--amber);background:rgba(232,163,61,.08);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:16px;font-weight:600;cursor:pointer;transition:all .22s var(--ease);white-space:nowrap;
}
.btn i{transition:transform .22s var(--ease);}
.btn:hover i{transform:translateX(4px);}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--lime-deep);color:var(--ink);}
.btn-ghost{border-color:var(--bd);background:transparent;color:var(--ink);}
.btn-ghost:hover{background:var(--ink);border-color:var(--ink);color:#fff;}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:var(--lime);color:var(--ink);}
.btn-lime-line{border:1px solid var(--lime);color:var(--lime);background:transparent;}
.btn-lime-line:hover{background:var(--lime);color:var(--ink);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ============ HEADER ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:200;background:var(--ink);border-bottom:1px solid var(--bd-dark);}
.brand-row{height:56px;display:flex;align-items:center;justify-content:space-between;gap:24px;transition:height .26s var(--ease),opacity .26s var(--ease);}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;letter-spacing:-.01em;}
.logo-mark{width:26px;height:26px;flex:0 0 26px;border-radius:7px;background:var(--lime);position:relative;overflow:hidden;}
.logo-mark::before{content:"";position:absolute;left:0;top:0;width:100%;height:100%;background:
  linear-gradient(135deg,transparent 44%,var(--ink) 44%,var(--ink) 56%,transparent 56%);}
.logo-mark::after{content:"";position:absolute;right:5px;bottom:5px;width:7px;height:7px;background:var(--ink);border-radius:2px;}
.logo:hover{color:#fff;}
.trend-line{flex:1;min-width:0;overflow:hidden;contain:layout;}
.trend-line .track{display:inline-flex;gap:28px;white-space:nowrap;font-size:13px;color:var(--text-on-dark);animation:slide 26s linear infinite;}
.trend-line .track span b{color:var(--lime);font-weight:600;}
@keyframes slide{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.brand-tools{display:flex;align-items:center;gap:12px;}
.search-box{position:relative;}
.search-box input{
  height:40px;width:0;opacity:0;padding:0;border:1px solid var(--bd-dark);background:#1B1E25;color:#fff;
  border-radius:var(--r-pill);transition:width .26s var(--ease),opacity .26s var(--ease),padding .26s var(--ease);
}
.search-box.open input{width:320px;opacity:1;padding:0 18px 0 42px;}
.search-box input::placeholder{color:#8C939C;}
.search-box input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,242,78,.22);}
.search-toggle{width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--bd-dark);background:transparent;color:#fff;cursor:pointer;transition:all .2s var(--ease);}
.search-toggle:hover{border-color:var(--lime);color:var(--lime);}
.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#8C939C;font-size:14px;opacity:0;transition:opacity .2s var(--ease);pointer-events:none;}
.search-box.open .search-icon{opacity:1;}
.tool-link{font-size:14px;color:var(--text-on-dark);padding:8px 4px;}
.tool-link:hover{color:var(--lime);}
.channel-row{height:48px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid rgba(42,46,54,.8);}
.channel-nav{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-nav a{
  position:relative;display:inline-flex;align-items:center;height:48px;padding:0 14px;
  font-size:15px;color:var(--text-on-dark);white-space:nowrap;transition:color .2s var(--ease);
}
.channel-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.channel-nav a:hover{color:#fff;}
.channel-nav a:hover::after{transform:scaleX(1);}
.channel-nav a.active{color:#fff;font-weight:600;}
.channel-nav a.active::after{transform:scaleX(1);}
.hot-chips{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;}
.hot-chips::-webkit-scrollbar{display:none;}
.hot-chips a{
  font-size:13px;color:var(--text-on-dark);border:1px solid var(--bd-dark);border-radius:var(--r-pill);
  padding:4px 12px;white-space:nowrap;transition:all .2s var(--ease);
}
.hot-chips a:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--bd-dark);border-radius:10px;background:transparent;cursor:pointer;padding:12px;}
.menu-toggle span{display:block;height:2px;background:#fff;border-radius:2px;margin-bottom:4px;}
.menu-toggle span:last-child{margin-bottom:0;}
.site-header.shrink .brand-row{height:0;opacity:0;overflow:hidden;}

/* drawer */
.drawer{position:fixed;inset:0;background:var(--dark);z-index:300;transform:translateX(100%);transition:transform .3s var(--ease);display:flex;flex-direction:column;padding:20px;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;gap:12px;align-items:center;margin-bottom:24px;}
.drawer-search{flex:1;position:relative;}
.drawer-search input{width:100%;height:48px;border-radius:var(--r-pill);border:1px solid var(--bd-dark);background:#1B1E25;color:#fff;padding:0 52px 0 18px;}
.drawer-search input:focus{outline:none;border-color:var(--lime);}
.drawer-search button{position:absolute;right:6px;top:6px;width:36px;height:36px;border-radius:var(--r-pill);border:0;background:var(--lime);color:var(--ink);cursor:pointer;}
.drawer-close{width:48px;height:48px;border-radius:12px;border:1px solid var(--bd-dark);background:transparent;color:#fff;font-size:18px;cursor:pointer;}
.drawer-nav a{display:block;padding:16px 4px;border-bottom:1px solid var(--bd-dark);color:#fff;font-size:17px;}
.drawer-nav a.active{color:var(--lime);}
.drawer-cta{margin-top:24px;}

/* ============ HERO ============ */
.hero{background:var(--paper);position:relative;overflow:hidden;padding:72px 0 88px;}
.hero::before{
  content:"";position:absolute;right:-120px;top:-60px;width:520px;height:520px;
  background-image:linear-gradient(var(--bd) 1px,transparent 1px),linear-gradient(90deg,var(--bd) 1px,transparent 1px);
  background-size:36px 36px;opacity:.7;transform:rotate(8deg);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero h1{font-size:60px;font-weight:800;line-height:1.08;letter-spacing:-.02em;color:var(--ink);margin:20px 0 0;}
.hero-rule{height:1px;background:var(--ink);margin:28px 0;transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);}
.hero-rule.in{transform:scaleX(1);}
.hero-lead{font-size:18px;color:var(--slate);max-width:44ch;line-height:1.85;}
.hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px;padding-top:28px;border-top:1px solid var(--bd);}
.hero-stats .num{font-size:34px;font-weight:800;color:var(--ink);line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums;}
.hero-stats .num small{font-size:18px;font-weight:700;margin-left:2px;}
.hero-stats .lab{font-size:13px;color:var(--muted);margin-top:10px;}
.hero-visual{position:relative;}
.hero-visual .frame{position:relative;border-radius:var(--r-card);overflow:hidden;background:#20242C;aspect-ratio:4/3;box-shadow:var(--sh-2);}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover;}
.hero-visual .frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,20,26,.25),rgba(18,20,26,.62));}
.float-card{
  position:absolute;left:-36px;bottom:-32px;width:288px;background:#fff;border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-3);border-top:3px solid var(--lime);
}
.float-card h3{font-size:17px;font-weight:700;color:var(--ink);margin:10px 0 6px;}
.float-card p{font-size:14px;color:var(--muted);line-height:1.7;}
.mini-count{display:flex;gap:6px;margin:14px 0;}
.mini-count b{background:var(--ink);color:var(--lime);border-radius:var(--r-badge);font-size:14px;font-weight:700;padding:4px 8px;font-variant-numeric:tabular-nums;}

/* ============ LADDER ============ */
.ladder{border-top:1px solid var(--bd);}
.ladder-item{
  display:grid;grid-template-columns:120px 1fr 220px;gap:32px;align-items:center;
  padding:32px 20px;border-bottom:1px solid var(--bd);transition:all .24s var(--ease);
}
.ladder-item:hover{background:var(--hover-row);transform:translateX(4px);}
.ladder-num{
  font-size:64px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1px var(--slate);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.ladder-body h3{font-size:22px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:10px;}
.ladder-body ul{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px 26px;}
.ladder-body li{font-size:15px;color:var(--slate);position:relative;padding-left:16px;line-height:1.7;}
.ladder-body li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--lime);border-radius:2px;}
.ladder-side{display:flex;flex-direction:column;align-items:flex-end;gap:12px;}
.ladder-item.recommended{background:var(--lime-soft);border-left:4px solid var(--lime);}
.ladder-item.recommended:hover{background:#EFF8D5;}

/* ============ PLAN TABLE ============ */
.plan-scroll{position:relative;overflow-x:auto;border-radius:var(--r-card);background:#fff;border:1px solid var(--bd);box-shadow:var(--sh-1);}
.plan-hint{display:none;font-size:13px;color:var(--muted);padding:10px 16px;border-bottom:1px solid var(--bd);background:var(--paper);}
.plan-table{width:100%;border-collapse:collapse;min-width:820px;}
.plan-table th,.plan-table td{padding:18px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--bd);vertical-align:middle;}
.plan-table thead th{position:sticky;top:0;background:#fff;z-index:2;font-size:16px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--bd);}
.plan-table th.row-head{position:sticky;left:0;background:#fff;z-index:3;font-weight:600;color:var(--slate);width:200px;min-width:200px;border-right:1px solid var(--bd);}
.plan-table td:first-child{position:sticky;left:0;background:#fff;border-right:1px solid var(--bd);color:var(--text);}
.plan-table tbody tr:hover td{background:var(--hover-row);}
.plan-table tbody tr:hover td:first-child{background:var(--hover-row);}
.plan-table th.hl{border-top:4px solid var(--lime);background:#FBFDF3;}
.plan-table td.hl{background:#FBFDF3;}
.plan-table tr.group-row td{background:var(--paper);font-weight:700;color:var(--ink);font-size:14px;letter-spacing:.04em;}
.plan-table .yes{color:var(--lime-deep);font-weight:700;}
.plan-table .no{color:#B9BEB6;}
.plan-table .val{font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;}
.plan-table .col-tag{font-size:12px;background:var(--lime);color:var(--ink);border-radius:var(--r-badge);padding:2px 8px;margin-left:8px;font-weight:700;}
.plan-table .btn{margin-top:12px;}

/* ============ NEWS ============ */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start;}
.news-lead{background:#fff;border:1px solid var(--bd);border-radius:var(--r-card);overflow:hidden;display:block;transition:all .26s var(--ease);box-shadow:var(--sh-1);}
.news-lead:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--sh-3);}
.news-lead .thumb{aspect-ratio:16/9;background:#E9EBE5;overflow:hidden;}
.news-lead .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.news-lead:hover .thumb img{transform:scale(1.03);}
.news-lead .body{padding:24px;}
.news-lead h3{font-size:23px;font-weight:700;color:var(--ink);line-height:1.4;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-lead p{font-size:15px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-top:16px;}
.meta .dot{width:3px;height:3px;background:#C4C9C1;border-radius:50%;}
.news-side{display:flex;flex-direction:column;}
.news-side-item{display:flex;gap:16px;padding:18px 12px;border-bottom:1px solid var(--bd);transition:all .22s var(--ease);}
.news-side-item:first-child{padding-top:0;}
.news-side-item:hover{background:var(--hover-row);transform:translateX(4px);}
.news-side-item .thumb{width:96px;height:64px;flex:0 0 96px;border-radius:10px;overflow:hidden;background:#E9EBE5;}
.news-side-item .thumb img{width:100%;height:100%;object-fit:cover;}
.news-side-item h4{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-side-item .meta{margin-top:8px;}
.news-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:32px;}
.news-mini{background:#fff;border:1px solid var(--bd);border-radius:var(--r-card);padding:20px;transition:all .24s var(--ease);box-shadow:var(--sh-1);}
.news-mini:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--sh-3);}
.news-mini h4{font-size:15px;font-weight:600;color:var(--ink);line-height:1.55;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-mini .meta{margin-top:10px;}
.empty-state{grid-column:1/-1;background:#fff;border:1px dashed var(--bd);border-radius:var(--r-card);padding:64px 24px;text-align:center;}
.empty-state .icon{width:64px;height:64px;margin:0 auto 18px;border:1px solid var(--bd);border-radius:14px;display:flex;align-items:center;justify-content:center;color:var(--slate);font-size:22px;}
.empty-state p{color:var(--muted);font-size:16px;margin-bottom:20px;}

/* ============ LIMITED ============ */
.limited{display:grid;grid-template-columns:auto 1fr auto;gap:48px;align-items:center;}
.countdown{display:flex;gap:12px;}
.cd-box{width:78px;text-align:center;border:1px solid var(--bd-dark);border-radius:var(--r-img);padding:12px 0;background:#171A21;}
.cd-box b{display:block;font-size:34px;font-weight:800;color:var(--lime);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.cd-box i{display:block;font-style:normal;font-size:12px;color:var(--text-on-dark);margin-top:8px;letter-spacing:.06em;}
.limited h2{font-size:34px;font-weight:700;color:#fff;line-height:1.25;}
.limited p{color:var(--text-on-dark);margin-top:12px;font-size:16px;max-width:52ch;}
.progress{margin-top:36px;}
.progress .bar{height:2px;background:var(--lime);width:68%;border-radius:2px;}
.progress .track{height:2px;background:var(--bd-dark);position:relative;}
.progress .note{font-size:13px;color:var(--text-on-dark);margin-top:12px;}

/* ============ FORM ============ */
.consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.trust-item{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--bd);}
.trust-item .ico{width:44px;height:44px;flex:0 0 44px;border-radius:12px;background:var(--lime);color:var(--ink);display:flex;align-items:center;justify-content:center;font-size:17px;}
.trust-item h3{font-size:17px;font-weight:700;color:var(--ink);}
.trust-item p{font-size:15px;color:var(--muted);margin-top:6px;line-height:1.75;}
.form-card{background:#fff;border-radius:var(--r-card);padding:32px;border:1px solid var(--bd);box-shadow:var(--sh-2);transition:box-shadow .3s var(--ease),border-color .3s var(--ease);}
.form-card.flash{border-color:var(--lime);box-shadow:0 0 0 4px rgba(200,242,78,.35);}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;border:1px solid var(--bd);border-radius:var(--r-input);padding:0 16px;background:#fff;color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:112px;padding:12px 16px;resize:vertical;line-height:1.7;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--slate) 50%),linear-gradient(135deg,var(--slate) 50%,transparent 50%);background-position:calc(100% - 22px) 21px,calc(100% - 16px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,242,78,.3);}
.field.error input,.field.error select{border-color:var(--amber);}
.field .err{display:none;font-size:13px;color:var(--amber);margin-top:6px;}
.field.error .err{display:block;}
.privacy{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.7;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.faq-left h2{font-size:38px;font-weight:700;color:var(--ink);line-height:1.2;}
.faq-left p{color:var(--muted);margin-top:16px;font-size:16px;max-width:38ch;}
.accordion{border:0;background:transparent;margin:0;border-top:1px solid var(--bd);}
.accordion .accordion-item{border:0;border-bottom:1px solid var(--bd);background:transparent;}
.accordion .accordion-title{
  border:0;background:transparent;padding:22px 44px 22px 0;font-size:17px;font-weight:600;color:var(--ink);
  line-height:1.6;position:relative;transition:color .2s var(--ease);
}
.accordion .accordion-title:hover{color:var(--lime-deep);background:transparent;}
.accordion .accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:8px;top:50%;
  transform:translateY(-50%);font-size:14px;color:var(--slate);transition:transform .24s var(--ease),color .2s var(--ease);
}
.accordion .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(135deg);color:var(--lime-deep);}
.accordion .accordion-content{border:0;background:transparent;padding:0 44px 24px 0;font-size:16px;line-height:1.8;color:var(--slate);max-width:62ch;}

/* ============ FOOTER ============ */
.site-footer{background:var(--dark);color:var(--text-on-dark);padding:72px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.site-footer .logo{margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.85;color:var(--text-on-dark);}
.site-footer li{margin-bottom:10px;}
.site-footer li a{font-size:14px;color:var(--text-on-dark);}
.site-footer li a:hover{color:var(--lime);}
.foot-social{display:flex;gap:10px;margin-top:18px;}
.foot-social a{width:40px;height:40px;border:1px solid var(--bd-dark);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--text-on-dark);}
.foot-social a:hover{border-color:var(--lime);color:var(--lime);}
.foot-contact li{font-size:14px;line-height:1.8;}
.foot-contact b{color:#fff;font-weight:600;}
.foot-bottom{margin-top:56px;border-top:1px solid var(--bd-dark);padding:24px 0 32px;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;}
.foot-bottom p{font-size:13px;color:#8C939C;}
.foot-links{display:flex;flex-wrap:wrap;gap:18px;}
.foot-links a{font-size:13px;color:#8C939C;}
.foot-links a:hover{color:var(--lime);}

/* ============ RESPONSIVE ============ */
@media (max-width:1200px){
  .hero h1{font-size:48px;}
  .hero-grid{gap:40px;}
  .float-card{left:-16px;}
  .news-row{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:1024px){
  :root{--sec:72px;}
  .trend-line{display:none;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual .frame{aspect-ratio:16/9;}
  .float-card{left:auto;right:16px;bottom:-24px;width:260px;}
  .ladder-item{grid-template-columns:88px 1fr;gap:20px;}
  .ladder-num{font-size:52px;}
  .ladder-side{grid-column:2;align-items:flex-start;flex-direction:row;gap:16px;flex-wrap:wrap;}
  .news-grid{grid-template-columns:1fr;gap:24px;}
  .consult-grid,.faq-grid{grid-template-columns:1fr;gap:40px;}
  .limited{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:900px){
  :root{--sec:56px;}
  body{padding-top:48px;}
  .channel-row{display:none;}
  .brand-row{height:48px;}
  .brand-tools .search-box,.brand-tools .tool-link{display:none;}
  .menu-toggle{display:block;}
  .wrap{padding:0 20px;}
  .site-header.shrink .brand-row{height:48px;opacity:1;overflow:visible;}
  .hero{padding:40px 0 64px;}
  .hero h1{font-size:34px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px;}
  .hero-stats .num{font-size:28px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
  .sec-head h2{font-size:27px;}
  .faq-left h2{font-size:27px;}
  .ladder-item{padding:24px 8px;}
  .ladder-num{font-size:34px;-webkit-text-stroke:1px var(--slate);}
  .ladder-body h3{font-size:19px;}
  .news-row{grid-template-columns:1fr;}
  .plan-hint{display:block;}
  .form-card{padding:24px;}
  .cd-box{width:64px;}
  .cd-box b{font-size:26px;}
  .limited h2{font-size:26px;}
  .foot-grid{grid-template-columns:1fr;gap:32px;}
  .foot-bottom{flex-direction:column;text-align:center;}
}
@media (max-width:520px){
  .hero h1{font-size:30px;}
  .hero-cta .btn{width:100%;}
  .float-card{width:100%;right:0;left:0;bottom:-16px;}
  .hero-visual .frame{aspect-ratio:4/3;}
  .news-side-item .thumb{width:80px;height:56px;flex:0 0 80px;}
  .btn{height:46px;}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
  .hero-rule{transform:scaleX(1) !important;}
}

/* roulang page: article */
:root{
  --ink:#15171C;
  --ink-deep:#12141A;
  --lime:#C8F24E;
  --lime-deep:#B6DE3E;
  --lime-soft:#F3FBDD;
  --slate:#47545C;
  --amber:#E8A33D;
  --paper:#F6F6F2;
  --white:#FFFFFF;
  --line:#E2E4DE;
  --line-dark:#2A2E36;
  --text:#2A2E33;
  --muted:#6B7480;
  --text-dark-zone:#C9CDD3;
  --r-card:16px;
  --r-img:12px;
  --r-badge:6px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(21,23,28,.04), 0 8px 24px -12px rgba(21,23,28,.12);
  --sh-2:0 16px 40px -16px rgba(21,23,28,.22);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sp:8px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",-apple-system,"Segoe UI",sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;background:#E7E9E2}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-0.01em}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:none;box-shadow:0 0 0 2px var(--lime);border-radius:var(--r-badge);
}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--ink);border-bottom:1px solid var(--line-dark)}
.brandbar{background:var(--ink);transition:height .26s var(--ease)}
.brandbar-inner{display:flex;align-items:center;gap:24px;height:56px}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;letter-spacing:-0.01em;white-space:nowrap}
.logo-mark{width:22px;height:22px;display:inline-block;background:var(--lime);
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);}
.trend-line{flex:1;min-width:0;color:var(--text-dark-zone);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{display:flex;align-items:center;background:#1D2027;border:1px solid var(--line-dark);border-radius:var(--r-pill);height:38px;overflow:hidden;transition:width .24s var(--ease),border-color .24s var(--ease)}
.search-box input{width:0;border:0;background:transparent;color:#fff;padding:0;height:100%;transition:width .24s var(--ease),padding .24s var(--ease);outline:none}
.search-box input::placeholder{color:#7C858F}
.search-box.open{border-color:var(--lime)}
.search-box.open input{width:250px;padding:0 14px}
.search-toggle{width:38px;height:38px;display:grid;place-items:center;color:#fff;flex:0 0 auto}
.search-toggle:hover{color:var(--lime)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-weight:700;font-size:16px;
  transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);white-space:nowrap}
.btn i{transition:transform .2s var(--ease)}
.btn:hover i{transform:translateX(4px)}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--lime-deep)}
.btn-ghost{border:1px solid var(--line-dark);color:#fff;background:transparent}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-outline{border:1px solid var(--line);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-sm{height:38px;padding:0 18px;font-size:15px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:700;font-size:15px;border-bottom:1px solid transparent}
.link-arrow i{color:var(--slate);transition:transform .2s var(--ease),color .2s var(--ease)}
.link-arrow:hover i{transform:translateX(4px);color:var(--ink)}
.menu-toggle{display:none;width:44px;height:44px;color:#fff;font-size:20px;place-items:center}

.channel-nav{
  display:flex;align-items:center;gap:4px;height:48px;overflow-x:auto;scrollbar-width:none;
  background:var(--ink);border-top:1px solid var(--line-dark);
  max-width:1280px;margin:0 auto;padding:0 20px;
}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{
  position:relative;display:inline-flex;align-items:center;height:48px;padding:0 14px;color:var(--text-dark-zone);
  font-size:15px;font-weight:600;white-space:nowrap;transition:color .2s var(--ease);
}
.channel-nav a::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.channel-nav a:hover{color:#fff}
.channel-nav a:hover::after,.channel-nav a.active::after{transform:scaleX(1)}
.channel-nav a.active{color:#fff}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:20px 0 0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:#B9BEB6}
.crumb .cur{color:var(--text)}

/* ---------- article head ---------- */
.article-head{padding:22px 0 28px;border-bottom:1px solid var(--line)}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-badge);font-size:13px;letter-spacing:.06em;font-weight:600}
.badge-line{border:1px solid var(--line);color:var(--slate)}
.badge-solid{background:var(--lime);color:var(--ink)}
.badge-warn{border:1px solid var(--amber);color:#9A6714}
.article-head h1{font-size:44px;font-weight:800;line-height:1.12;letter-spacing:-0.02em;margin:16px 0 0;max-width:960px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px;color:var(--muted);font-size:14px}
.meta-row span.dot{width:1px;height:14px;background:var(--line)}
.meta-row .num{color:var(--text);font-weight:600}
.head-actions{display:flex;gap:10px;margin-left:auto}
.icon-btn{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-pill);display:grid;place-items:center;color:var(--slate);background:var(--white);transition:all .2s var(--ease)}
.icon-btn:hover{border-color:var(--lime);color:var(--ink);transform:translateY(-2px)}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:start;padding:40px 0 0}
.article-body{max-width:760px;width:100%}
.article-body h2{font-size:28px;font-weight:700;margin:48px 0 16px;padding-left:14px;border-left:4px solid var(--lime);line-height:1.3}
.article-body h3{font-size:22px;font-weight:600;margin:32px 0 12px}
.article-body p{font-size:17px;line-height:1.9;margin:0 0 20px;color:var(--text)}
.article-body ul{list-style:none;margin:0 0 20px;padding:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;line-height:1.9}
.article-body ul li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;background:var(--lime);border-radius:1px}
.article-body ol{margin:0 0 20px;padding-left:24px}
.article-body ol li{margin-bottom:10px;line-height:1.9}
.article-body ol li::marker{color:var(--slate);font-variant-numeric:tabular-nums;font-weight:700}
.article-body blockquote{margin:28px 0;padding:20px 22px;background:#F6F8EE;border-left:4px solid var(--lime);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--slate)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body a{color:#4E7A10;border-bottom:1px solid rgba(78,122,16,.35)}
.article-body a:hover{color:#35580A;border-bottom-color:#35580A}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;white-space:nowrap}
.article-body thead th{background:#F1F2EC;font-weight:700}
.article-body tbody tr:nth-child(even){background:#FAFBF7}

/* ---------- aside ---------- */
.sidebar{position:sticky;top:120px;display:grid;gap:24px}
.side-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1)}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:16px;background:var(--lime);border-radius:2px}
.toc-list li{margin-bottom:2px}
.toc-list a{display:block;padding:8px 10px;border-left:2px solid transparent;font-size:15px;color:var(--slate);border-radius:0 8px 8px 0;transition:all .2s var(--ease)}
.toc-list a:hover{background:var(--paper);color:var(--ink);border-left-color:var(--lime);transform:translateX(2px)}
.hot-list li{display:flex;gap:12px;padding:10px 2px;border-bottom:1px solid var(--line);transition:background .2s var(--ease),transform .2s var(--ease)}
.hot-list li:last-child{border-bottom:0}
.hot-list li:hover{background:#FAFBF7;transform:translateX(4px)}
.hot-list .rk{font-size:20px;font-weight:800;color:#D3D7CE;font-variant-numeric:tabular-nums;line-height:1.4;flex:0 0 auto;transition:color .2s var(--ease)}
.hot-list li:hover .rk{color:var(--ink)}
.hot-list a{font-size:15px;line-height:1.6}
.cat-list li+li{margin-top:4px}
.cat-list a{display:flex;align-items:center;justify-content:space-between;padding:9px 10px;border-radius:8px;font-size:15px;color:var(--slate);transition:all .2s var(--ease)}
.cat-list a:hover{background:var(--paper);color:var(--ink);transform:translateX(2px)}
.side-cta{background:var(--lime);border-radius:var(--r-card);padding:24px;color:var(--ink)}
.side-cta strong{display:block;font-size:18px;font-weight:800;margin-bottom:8px}
.side-cta p{font-size:14px;line-height:1.7;margin-bottom:16px;color:#3B4A18}
.side-cta .btn{background:var(--ink);color:#fff;height:42px;font-size:15px;padding:0 20px}
.side-cta .btn:hover{background:#000}

/* ---------- footer blocks of article ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:48px 0 0;padding-top:24px;border-top:1px solid var(--line)}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-pill);font-size:14px;color:var(--slate);background:var(--white);transition:all .2s var(--ease)}
.tag:hover{border-color:var(--lime);color:var(--ink);background:var(--lime-soft)}
.nav-pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
.pager-card{display:block;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;transition:all .2s var(--ease)}
.pager-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--sh-2)}
.pager-card small{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.pager-card strong{font-size:16px;font-weight:600;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pager-card.next{text-align:right}
.block-title{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:56px 0 24px}
.block-title h2{font-size:26px;font-weight:700}
.block-title p{margin:6px 0 0;color:var(--muted);font-size:15px}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--sh-2)}
.card .thumb{position:relative;aspect-ratio:16/9;background:#E7E9E2;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .thumb .badge{position:absolute;left:12px;bottom:12px;background:var(--white);border:1px solid var(--line)}
.card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{font-size:17px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.card .meta{font-size:13px;color:var(--muted);margin-top:auto;font-variant-numeric:tabular-nums}
.back-cat{margin:36px 0 0}
.cta-band{margin-top:72px;background:var(--ink-deep);border-radius:var(--r-card);padding:40px;display:flex;align-items:center;gap:32px;flex-wrap:wrap;border:1px solid var(--line-dark)}
.cta-band h2{color:#fff;font-size:26px;font-weight:700}
.cta-band p{color:var(--text-dark-zone);font-size:15px;margin:8px 0 0;max-width:600px}
.cta-band .btn{margin-left:auto}
.empty-note{background:var(--white);border:1px dashed var(--line);border-radius:var(--r-card);padding:56px 24px;text-align:center}
.empty-note i{color:var(--slate);font-size:32px}
.empty-note strong{display:block;font-size:20px;margin:16px 0 8px}
.empty-note p{color:var(--muted);font-size:15px}
.empty-note .btn{margin-top:16px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:var(--text-dark-zone);margin-top:96px;padding:72px 0 0;border-top:1px solid var(--line-dark)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.site-footer .logo{color:#fff;font-size:18px}
.site-footer p{font-size:14px;line-height:1.8;margin:16px 0 0;max-width:340px}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.site-footer li{margin-bottom:10px}
.site-footer ul a{font-size:14px;color:var(--text-dark-zone);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block}
.site-footer ul a:hover{color:var(--lime);transform:translateX(4px)}
.foot-contact li{font-size:14px}
.foot-contact b{color:#fff;font-weight:600}
.foot-social{display:flex;gap:10px;margin-top:18px}
.foot-social a{width:40px;height:40px;border:1px solid var(--line-dark);border-radius:var(--r-pill);display:grid;place-items:center;color:var(--text-dark-zone);transition:all .2s var(--ease)}
.foot-social a:hover{border-color:var(--lime);color:var(--lime)}
.foot-bottom{margin-top:56px;padding:24px 0;border-top:1px solid var(--line-dark);display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot-bottom p{font-size:13px;margin:0}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-links a{font-size:13px;color:var(--text-dark-zone)}
.foot-links a:hover{color:var(--lime)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px)}
.reveal.in{opacity:1;transform:none;transition:opacity .5s var(--ease),transform .5s var(--ease)}
.rule-line{height:1px;background:var(--line);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.rule-line.in{transform:scaleX(1)}

@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .rule-line{transform:scaleX(1)}
}

/* ---------- responsive ---------- */
@media screen and (max-width:1200px){
  .layout{grid-template-columns:minmax(0,1fr) 300px;gap:36px}
  .article-head h1{font-size:38px}
}
@media screen and (max-width:900px){
  .trend-line{display:none}
  .layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .sidebar{position:static}
  .article-head h1{font-size:32px}
  .rec-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:32px}
  .cta-band .btn{margin-left:0;width:100%}
}
@media screen and (max-width:640px){
  body{font-size:16px}
  .brand-actions .btn{display:none}
  .menu-toggle{display:grid}
  .search-box.open input{width:150px}
  .article-head h1{font-size:28px;-webkit-line-clamp:3}
  .head-actions{margin-left:0;margin-top:16px}
  .article-body h2{font-size:23px;margin-top:36px}
  .article-body h3{font-size:19px}
  .nav-pager{grid-template-columns:1fr}
  .pager-card.next{text-align:left}
  .rec-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{justify-content:center;text-align:center}
  .cta-band h2{font-size:22px}
  .site-footer{margin-top:64px}
}

/* roulang page: category1 */
:root{
  --ink:#15171C;
  --lime:#C8F24E;
  --lime-dark:#B4DC3C;
  --slate:#47545C;
  --amber:#E8A33D;
  --paper:#F6F6F2;
  --white:#FFFFFF;
  --dark:#12141A;
  --line:#E2E4DE;
  --line-dark:#2A2E36;
  --text:#2A2E33;
  --muted:#6B7480;
  --text-dark:#C9CDD3;
  --r-card:16px;
  --r-img:12px;
  --r-badge:6px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(21,23,28,.04);
  --sh-2:0 8px 24px -12px rgba(21,23,28,.12);
  --sh-hover:0 16px 40px -16px rgba(21,23,28,.22);
  --ease:cubic-bezier(.2,.7,.2,1);
  --pad-block:96px;
  --gap:32px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Source Han Sans SC","Segoe UI","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

.wrap{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 clamp(20px,4vw,40px);
}

/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:var(--ink);
  border-bottom:1px solid var(--line-dark);
}
.brand-bar{
  height:56px;
  display:flex;
  align-items:center;
  transition:height .24s var(--ease);
}
.site-header.scrolled .brand-bar{height:48px;}
.brand-inner{
  display:flex;
  align-items:center;
  gap:24px;
  width:100%;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:800;
  font-size:17px;
  letter-spacing:.01em;
  white-space:nowrap;
}
.logo-mark{
  width:20px;height:20px;flex:0 0 20px;
  background:var(--lime);
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
  transition:transform .24s var(--ease);
}
.logo:hover .logo-mark{transform:rotate(6deg);}
.trend-line{
  flex:1;
  min-width:0;
  font-size:13.5px;
  color:var(--text-dark);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  padding-left:24px;
  border-left:1px solid var(--line-dark);
  transition:opacity .2s var(--ease);
}
.site-header.scrolled .trend-line{opacity:0;pointer-events:none;}
.brand-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:208px;
  height:38px;
  padding:0 16px;
  background:#1D2027;
  border:1px solid var(--line-dark);
  border-radius:var(--r-pill);
  transition:width .28s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{
  width:320px;
  border-color:var(--lime);
  box-shadow:0 0 0 2px rgba(200,242,78,.28);
}
.nav-search i{color:var(--muted);font-size:13px;}
.nav-search input{
  flex:1;
  min-width:0;
  height:100%;
  background:transparent;
  border:0;
  outline:none;
  color:#fff;
  font-size:14px;
}
.nav-search input::placeholder{color:#78828D;}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:38px;
  padding:0 20px;
  border:1px solid var(--line-dark);
  border-radius:var(--r-pill);
  color:#fff;
  font-size:14px;
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:18px;
  border-radius:var(--r-input);
}

.channel-bar{
  height:48px;
  border-top:1px solid var(--line-dark);
  background:var(--ink);
}
.channel-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:100%;
}
.channel-nav{
  display:flex;
  align-items:center;
  gap:26px;
  height:100%;
  overflow-x:auto;
  scrollbar-width:none;
  flex:1;
  min-width:0;
}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:48px;
  font-size:14.5px;
  color:var(--text-dark);
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.channel-nav a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.channel-nav a:hover{color:#fff;}
.channel-nav a:hover::after{transform:scaleX(1);}
.channel-nav a.active{color:#fff;}
.channel-nav a.active::after{transform:scaleX(1);}
.hot-chips{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  max-width:38%;
  padding:4px 0;
}
.hot-chips::-webkit-scrollbar{display:none;}
.hot-chips a{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border:1px solid var(--line-dark);
  border-radius:var(--r-pill);
  color:var(--text-dark);
  font-size:13px;
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.hot-chips a:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);}

/* mobile drawer */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:200;
  background:var(--dark);
  transform:translateY(-100%);
  transition:transform .3s var(--ease);
  display:flex;
  flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;}
.drawer-search{
  display:flex;align-items:center;gap:10px;
  height:48px;padding:0 18px;margin-bottom:22px;
  background:#1D2027;border:1px solid var(--line-dark);border-radius:var(--r-pill);
}
.drawer-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:#fff;font-size:15px;}
.drawer-search i{color:var(--muted);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;
  border-bottom:1px solid var(--line-dark);
  color:var(--text-dark);
  font-size:16px;
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--lime);padding-left:6px;}
.drawer-cta{margin-top:auto;padding-top:24px;}

/* ============ buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
  white-space:nowrap;
}
.btn i{transition:transform .2s var(--ease);}
.btn:hover i{transform:translateX(4px);}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--lime-dark);}
.btn-outline{border:1px solid var(--line);color:var(--ink);background:transparent;}
.btn-outline:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-outline-light{border:1px solid rgba(255,255,255,.4);color:#fff;background:transparent;}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-block{width:100%;}

/* ============ hero ============ */
.page-hero{
  position:relative;
  min-height:280px;
  display:flex;
  align-items:flex-end;
  background-color:#1B1E24;
  background-image:linear-gradient(120deg,rgba(18,20,26,.86) 0%,rgba(18,20,26,.58) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(18,20,26,.22);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  width:100%;
  padding:64px 0 42px;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  margin-bottom:18px;
  border:1px solid rgba(200,242,78,.5);
  border-radius:var(--r-badge);
  color:var(--lime);
  font-size:13px;
  letter-spacing:.06em;
}
.hero-inner h1{
  color:#fff;
  font-size:clamp(32px,4.4vw,56px);
  font-weight:800;
  line-height:1.08;
  letter-spacing:-.02em;
  max-width:22ch;
}
.hero-sub{
  margin-top:18px;
  max-width:52ch;
  color:#D7DBE0;
  font-size:17px;
  line-height:1.75;
}
.hero-index{
  position:absolute;
  right:0;
  bottom:6px;
  z-index:2;
  display:flex;
  align-items:baseline;
  gap:6px;
  font-weight:800;
  letter-spacing:.02em;
}
.hero-index span:first-child{font-size:38px;color:var(--lime);line-height:1;}
.hero-index i{color:rgba(255,255,255,.4);font-style:normal;font-size:18px;}
.hero-index span:last-child{font-size:20px;color:rgba(255,255,255,.55);}

/* breadcrumb */
.crumb-bar{
  background:var(--white);
  border-bottom:1px solid var(--line);
}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  height:52px;
  font-size:14px;
  color:var(--muted);
}
.crumb a{color:var(--muted);transition:color .2s var(--ease);}
.crumb a:hover{color:var(--ink);}
.crumb .sep{color:#B9BFB6;}
.crumb .current{color:var(--text);}

/* ============ sections ============ */
section{position:relative;}
.section{padding:var(--pad-block) 0;}
.section-white{background:var(--white);}
.section-paper{background:var(--paper);}
.sec-head{max-width:780px;margin-bottom:44px;}
.sec-head h2{
  font-size:clamp(26px,3vw,38px);
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.01em;
}
.sec-head p{margin-top:16px;color:var(--muted);font-size:16.5px;line-height:1.8;}

/* overview */
.overview{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:start;
}
.overview-text h2{
  font-size:clamp(26px,3vw,38px);
  font-weight:700;
  line-height:1.2;
  margin-bottom:22px;
}
.overview-text p{margin-bottom:16px;max-width:44ch;}
.overview-text p:last-child{margin-bottom:0;color:var(--muted);}
.point-list{border-top:1px solid var(--line);}
.point-item{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:20px;
  align-items:start;
  padding:22px 16px 22px 12px;
  border-bottom:1px solid var(--line);
  border-radius:var(--r-badge);
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.point-item:hover{background:#FAFBF7;transform:translateX(4px);}
.point-num{
  font-size:30px;
  font-weight:800;
  line-height:1.1;
  color:transparent;
  -webkit-text-stroke:1px var(--slate);
}
@supports not (-webkit-text-stroke:1px #000){
  .point-num{color:var(--slate);}
}
.point-item h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.point-item p{font-size:15.5px;color:var(--muted);line-height:1.75;}

/* zigzag */
.zigzag-row{
  display:grid;
  grid-template-columns:55fr 45fr;
  gap:64px;
  align-items:center;
  padding:72px 0;
  border-top:1px solid var(--line);
}
.zigzag-row:first-of-type{border-top:0;padding-top:0;}
.zigzag-row .zz-text{order:1;}
.zigzag-row .zz-figure{order:2;}
.zigzag-row.rev .zz-text{order:2;}
.zigzag-row.rev .zz-figure{order:1;}
.zz-num{
  display:block;
  font-size:clamp(48px,5.6vw,72px);
  font-weight:800;
  line-height:1;
  margin-bottom:18px;
  color:transparent;
  -webkit-text-stroke:1px var(--slate);
}
@supports not (-webkit-text-stroke:1px #000){
  .zz-num{color:var(--slate);}
}
.zz-text h3{
  font-size:clamp(20px,2.2vw,26px);
  font-weight:700;
  line-height:1.3;
  margin-bottom:18px;
}
.zz-text h3::after{
  content:"";
  display:block;
  width:56px;
  height:3px;
  margin-top:16px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .32s var(--ease);
}
.zigzag-row.in-view .zz-text h3::after{transform:scaleX(1);}
.zz-text p{
  margin-bottom:16px;
  max-width:44ch;
  color:var(--text);
}
.zz-text p:last-of-type{color:var(--muted);}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:8px;
  min-height:44px;
  color:var(--ink);
  font-weight:600;
  font-size:15px;
  border-bottom:2px solid var(--lime);
  transition:color .2s var(--ease);
}
.link-arrow i{transition:transform .2s var(--ease);color:var(--ink);}
.link-arrow:hover i{transform:translateX(4px);}
.zz-figure{
  border-radius:var(--r-img);
  overflow:hidden;
  background:#E7E9E3;
  box-shadow:var(--sh-2);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.zz-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .4s var(--ease);
}
.zz-figure:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.zz-figure:hover img{transform:scale(1.03);}

/* related cards */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
}
.rel-card{
  display:flex;
  flex-direction:column;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.rel-card:hover{
  transform:translateY(-4px);
  border-color:var(--lime);
  box-shadow:var(--sh-hover);
}
.rel-card figure{margin:0;background:#E7E9E3;}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.rel-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border:1px solid var(--line);
  border-radius:var(--r-badge);
  font-size:13px;
  letter-spacing:.06em;
  color:var(--slate);
  background:var(--white);
}
.rel-body h3{
  margin:14px 0 10px;
  font-size:19px;
  font-weight:700;
  line-height:1.4;
}
.rel-body p{font-size:15.5px;color:var(--muted);line-height:1.75;flex:1;}
.rel-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:18px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
}
.rel-more i{transition:transform .2s var(--ease);color:var(--lime-dark);}
.rel-card:hover .rel-more i{transform:translateX(4px);}

/* CTA band */
.cta-band{
  background:var(--dark);
  border-radius:var(--r-card);
  padding:48px 48px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px;
  align-items:center;
  border-top:2px solid var(--lime);
}
.cta-band h2{
  color:#fff;
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  line-height:1.3;
  margin-bottom:12px;
}
.cta-band p{color:var(--text-dark);font-size:16px;max-width:56ch;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ footer ============ */
.site-footer{
  background:var(--dark);
  color:var(--text-dark);
  padding:72px 0 0;
  margin-top:0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.foot-grid h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.foot-grid .logo{font-size:18px;margin-bottom:16px;}
.foot-grid p{font-size:14.5px;line-height:1.85;max-width:38ch;}
.foot-grid ul li{margin-bottom:11px;}
.foot-grid ul a{
  font-size:14.5px;
  color:var(--text-dark);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.foot-grid ul a:hover{color:var(--lime);padding-left:4px;}
.foot-contact li{font-size:14.5px;margin-bottom:12px;}
.foot-contact b{color:#fff;font-weight:600;}
.foot-social{display:flex;gap:10px;margin-top:20px;}
.foot-social a{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-dark);
  border-radius:var(--r-input);
  color:var(--text-dark);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.foot-social a:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.foot-bottom{
  border-top:1px solid var(--line-dark);
  padding:22px 0 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
.foot-bottom p{font-size:13.5px;color:#8B949D;}
.foot-links{display:flex;gap:20px;flex-wrap:wrap;}
.foot-links a{font-size:13.5px;color:#8B949D;transition:color .2s var(--ease);}
.foot-links a:hover{color:var(--lime);}

/* motion */
.zigzag-row .zz-figure,
.zigzag-row .zz-text{opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.zigzag-row.in-view .zz-text,
.zigzag-row.in-view .zz-figure{opacity:1;transform:none;}
.zigzag-row.in-view .zz-figure{transition-delay:.08s;}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .zigzag-row .zz-text,.zigzag-row .zz-figure{opacity:1;transform:none;}
}

/* ============ responsive ============ */
@media (max-width:1200px){
  :root{--pad-block:80px;--gap:24px;}
  .overview{gap:44px;}
  .zigzag-row{gap:48px;}
}
@media (max-width:1024px){
  :root{--pad-block:72px;}
  .trend-line{display:none;}
  .hot-chips{max-width:44%;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:900px){
  .nav-search{display:none;}
  .menu-toggle{display:inline-flex;}
  .btn-ghost{display:none;}
  .hot-chips{display:none;}
  .channel-bar{display:none;}
  .brand-bar{height:52px;}
  .site-header.scrolled .brand-bar{height:48px;}
  .page-hero{min-height:200px;}
  .hero-inner{padding:48px 0 32px;}
  .hero-index{bottom:10px;}
  .hero-index span:first-child{font-size:28px;}
  .overview{grid-template-columns:1fr;gap:36px;}
  .zigzag-row{grid-template-columns:1fr;gap:26px;padding:52px 0;}
  .zigzag-row .zz-text,
  .zigzag-row .zz-figure,
  .zigzag-row.rev .zz-text,
  .zigzag-row.rev .zz-figure{order:initial;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;}
  .cta-actions .btn{width:100%;}
  .btn{height:48px;}
}
@media (max-width:640px){
  :root{--pad-block:56px;--gap:16px;}
  body{font-size:16px;}
  .hero-inner h1{font-size:32px;line-height:1.15;}
  .hero-sub{font-size:15.5px;}
  .point-item{grid-template-columns:46px 1fr;gap:14px;padding:18px 10px 18px 8px;}
  .point-num{font-size:24px;}
  .zz-num{font-size:38px;margin-bottom:12px;}
  .sec-head{margin-bottom:30px;}
  .foot-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px;}
  .foot-social a{width:44px;height:44px;}
  .foot-bottom{justify-content:center;text-align:center;}
  .foot-bottom p{width:100%;}
}

/* roulang page: category2 */
:root{
  --ink:#15171C;
  --lime:#C8F24E;
  --lime-deep:#B4DB3C;
  --lime-soft:#F3FBDD;
  --slate:#47545C;
  --amber:#E8A33D;
  --paper:#F6F6F2;
  --white:#FFFFFF;
  --dark:#12141A;
  --line:#E2E4DE;
  --line-dark:#2A2E36;
  --text:#2A2E33;
  --text-muted:#6B7480;
  --text-dark:#C9CDD3;
  --r-card:16px;
  --r-img:12px;
  --r-badge:6px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(21,23,28,.04);
  --sh-2:0 8px 24px -12px rgba(21,23,28,.12);
  --sh-hover:0 16px 40px -16px rgba(21,23,28,.22);
  --ease:cubic-bezier(.2,.7,.2,1);
  --maxw:1280px;
  --gap:32px;
  --sec-pad:96px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Noto Sans SC","Source Han Sans SC",-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--ink);text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease)}
a:hover{color:var(--slate)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
h1{font-size:52px;line-height:1.08;font-weight:800;letter-spacing:-.02em}
h2{font-size:38px;line-height:1.2}
h3{font-size:24px;line-height:1.3;font-weight:600}
h4{font-size:17px;line-height:1.4;font-weight:600}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;box-shadow:0 0 0 4px rgba(200,242,78,.28)}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;background:transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn i,.btn .btn-arrow{font-size:14px;transition:transform .2s var(--ease)}
.btn:hover .btn-arrow{transform:translateX(4px)}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-primary:hover{background:var(--lime-deep);border-color:var(--lime-deep);color:var(--ink)}
.btn-outline{border-color:#C9CDC6;color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-outline-light{border-color:rgba(255,255,255,.42);color:#fff;background:transparent}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-ghost{color:#E6E8E2;border-color:rgba(255,255,255,.26);background:transparent}
.btn-ghost:hover{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-link{height:auto;padding:0;color:var(--ink);font-weight:600}
.btn-link .btn-arrow{color:var(--lime-deep)}
.btn-link:hover{color:var(--slate)}
.btn-link:hover .btn-arrow{transform:translateX(4px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;letter-spacing:.06em;line-height:1;
  padding:7px 12px;border-radius:var(--r-badge);
}
.badge-outline{border:1px solid var(--line);color:var(--slate);background:#fff}
.badge-solid{background:var(--lime);color:var(--ink);font-weight:600}
.badge-dark{background:rgba(200,242,78,.14);border:1px solid rgba(200,242,78,.5);color:var(--lime)}
.badge-warn{border:1px solid var(--amber);color:#B57718;background:rgba(232,163,61,.1)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  border-bottom:1px solid var(--line-dark);
}
.brand-bar{
  height:56px;overflow:hidden;
  transition:height .28s var(--ease),opacity .22s var(--ease);
  border-bottom:1px solid var(--line-dark);
}
.brand-inner{display:flex;align-items:center;gap:24px;height:56px}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;letter-spacing:.01em;flex:none}
.logo:hover{color:#fff}
.logo-mark{
  width:28px;height:28px;border-radius:8px;background:var(--lime);position:relative;flex:none;
}
.logo-mark::after{
  content:"";position:absolute;inset:0;border-radius:8px;
  background:linear-gradient(135deg,transparent 45%,var(--ink) 45%,var(--ink) 55%,transparent 55%);
}
.trend-tip{
  margin:0;font-size:13px;color:var(--text-dark);flex:1 1 auto;min-width:0;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.trend-tip b{color:var(--lime);font-weight:600}
.brand-actions{display:flex;align-items:center;gap:10px;flex:none}
.search-box{display:flex;align-items:center;height:38px;border-radius:var(--r-pill);background:#1E222A;border:1px solid var(--line-dark);width:44px;overflow:hidden;transition:width .28s var(--ease),border-color .2s var(--ease)}
.search-box.is-open{width:320px;border-color:var(--lime)}
.search-box input{
  flex:1;height:100%;border:0;background:transparent;color:#fff;font-size:14px;padding:0 4px 0 0;min-width:0;
}
.search-box input::placeholder{color:#7C8593}
.search-box input:focus{outline:none}
.search-toggle{
  width:42px;height:36px;border:0;background:transparent;color:var(--text-dark);cursor:pointer;font-size:14px;flex:none;
}
.search-toggle:hover{color:var(--lime)}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line-dark);border-radius:10px;background:transparent;color:#fff;font-size:16px;cursor:pointer}
.menu-toggle:hover{border-color:var(--lime);color:var(--lime)}

.channel-bar{background:var(--ink)}
.channel-inner{display:flex;align-items:center;gap:24px;height:48px}
.channel-nav{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{
  position:relative;display:inline-flex;align-items:center;height:48px;padding:0 14px;
  font-size:14px;color:#B9C0CB;white-space:nowrap;transition:color .2s var(--ease);
}
.channel-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .26s var(--ease);
}
.channel-nav a:hover{color:#fff}
.channel-nav a:hover::after{transform:scaleX(1)}
.channel-nav a.active{color:#fff;font-weight:600}
.channel-nav a.active::after{transform:scaleX(1)}
.hot-chips{display:flex;align-items:center;gap:8px;flex:none;overflow-x:auto;scrollbar-width:none}
.hot-chips::-webkit-scrollbar{display:none}
.hot-chips a{
  font-size:13px;color:#B9C0CB;padding:6px 12px;border:1px solid var(--line-dark);border-radius:var(--r-pill);
  white-space:nowrap;transition:all .2s var(--ease);
}
.hot-chips a:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}

.site-header.is-scrolled .brand-bar{height:0;opacity:0;border-bottom-color:transparent}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--dark);
  transform:translateX(100%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{padding:16px 20px;border-bottom:1px solid var(--line-dark);display:flex;align-items:center;gap:12px}
.drawer-head .search-box{width:100%;flex:1}
.drawer-close{width:44px;height:44px;border:1px solid var(--line-dark);border-radius:10px;background:transparent;color:#fff;font-size:16px;cursor:pointer;flex:none}
.drawer-nav{flex:1;overflow-y:auto;padding:12px 20px 24px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;font-size:16px;color:#DDE1E8;border-bottom:1px solid var(--line-dark);
}
.drawer-nav a.active{color:var(--lime)}
.drawer-nav a i{font-size:12px;color:var(--slate)}
.drawer-foot{padding:16px 20px 28px;border-top:1px solid var(--line-dark)}

/* ---------- 页面横幅 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--dark);min-height:280px;display:flex;align-items:center}
.page-hero .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62}
.page-hero .hero-mask{position:absolute;inset:0;background:rgba(18,20,26,.55)}
.hero-inner{position:relative;z-index:2;max-width:860px;margin:0 auto;text-align:center;padding:64px 0}
.hero-inner h1{color:#fff;font-size:46px;line-height:1.14;margin:20px 0 0}
.hero-sub{color:#D7DBE1;font-size:17px;line-height:1.8;margin:18px auto 0;max-width:660px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:26px}
.hero-chips a{
  font-size:13px;color:#E4E7DE;padding:8px 15px;border:1px solid rgba(255,255,255,.26);border-radius:var(--r-pill);
  transition:all .2s var(--ease);
}
.hero-chips a:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0;font-size:14px;color:var(--text-muted)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#B4BAB3}
.crumb a{color:var(--text-muted)}
.crumb a:hover{color:var(--ink);text-decoration:underline}
.crumb [aria-current="page"]{color:var(--text);font-weight:600}

/* ---------- 通用区块 ---------- */
.section{padding:var(--sec-pad) 0}
.section-white{background:var(--white)}
.section-paper{background:var(--paper)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head .eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--slate);
  border:1px solid var(--line);border-radius:var(--r-badge);padding:6px 11px;background:#fff;margin-bottom:16px;
}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--text-muted);font-size:17px;line-height:1.85;margin:0}

/* ---------- 指标条 ---------- */
.stats-band{background:var(--dark);padding:56px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.stat{border-left:1px solid var(--line-dark);padding-left:22px}
.stat:first-child{border-left:0;padding-left:0}
.stat-num{
  display:inline-block;color:var(--lime);font-size:46px;font-weight:800;line-height:1;
  letter-spacing:-.02em;font-variant-numeric:tabular-nums;
}
.stat-unit{color:var(--lime);font-size:16px;font-weight:600;margin-left:4px}
.stat p{margin:12px 0 0;color:var(--text-dark);font-size:14px;line-height:1.7}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:19px;top:10px;bottom:10px;width:2px;background:var(--line);
}
.tl-item{position:relative;padding-left:72px;padding-bottom:56px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:12px;top:8px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:2px solid #CFD4CC;z-index:2;
  transition:transform .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease);
}
.tl-item:hover .tl-dot{transform:scale(1.15);border-color:var(--lime);background:var(--lime)}
.tl-item.is-active .tl-dot{background:var(--lime);border-color:var(--lime);transform:scale(1.15)}
.tl-item.is-active::before{
  content:"";position:absolute;left:19px;top:8px;width:2px;height:calc(100% - 16px);background:var(--lime);z-index:1;
}
.tl-index{
  position:absolute;left:0;top:-4px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--slate);
}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px 30px;
  box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--lime)}
.tl-card h3{margin-bottom:12px}
.tl-card p{color:var(--text-muted);font-size:16px;line-height:1.85}
.tl-figure{margin-top:20px;border-radius:var(--r-img);overflow:hidden;background:#E8EAE4;aspect-ratio:16/9}
.tl-figure img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-img)}
.tl-more{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:15px;font-weight:600;color:var(--ink)}
.tl-more .btn-arrow{color:var(--lime-deep);transition:transform .2s var(--ease)}
.tl-more:hover .btn-arrow{transform:translateX(4px)}

/* ---------- 折叠规则 ---------- */
.fold-block{margin-top:56px}
.fold-block h3{margin-bottom:8px}
.fold-block .fold-note{color:var(--text-muted);font-size:15px;margin-bottom:20px}
.accordion{background:transparent;border:0;border-radius:0;margin:0}
.accordion .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.accordion .accordion-item:first-child{border-top:1px solid var(--line)}
.accordion .accordion-title{
  font-size:17px;font-weight:600;color:var(--ink);background:transparent;
  padding:20px 44px 20px 0;line-height:1.6;border:0;position:relative;
}
.accordion .accordion-title::before{
  content:"";position:absolute;right:8px;top:50%;width:13px;height:2px;background:var(--ink);
  transform:translateY(-50%);border:0;margin:0;float:none;transition:background-color .2s var(--ease);
}
.accordion .accordion-title::after{
  content:"";position:absolute;right:13.5px;top:50%;width:2px;height:13px;background:var(--ink);
  transform:translateY(-50%);transition:transform .26s var(--ease),opacity .2s var(--ease);
}
.accordion .accordion-item.is-active > .accordion-title::after{transform:translateY(-50%) rotate(90deg);opacity:0}
.accordion .accordion-title:hover{color:var(--slate)}
.accordion .accordion-title:hover::before,
.accordion .accordion-title:hover::after{background:var(--lime-deep)}
.accordion .accordion-content{
  padding:0 44px 22px 0;border:0;background:transparent;color:var(--text-muted);
  font-size:16px;line-height:1.8;
}
.accordion .accordion-content p{max-width:44em}

/* ---------- 常见疑问三栏 ---------- */
.query-row{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);
}
.query-col{padding:32px 32px 32px 0;border-right:1px solid var(--line)}
.query-col:last-child{border-right:0;padding-right:0}
.query-col h3{font-size:18px;margin-bottom:16px}
.query-col ul li{padding:10px 0;border-bottom:1px dashed var(--line)}
.query-col ul li:last-child{border-bottom:0}
.query-col a{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--text);font-size:15px;transition:transform .2s var(--ease),color .2s var(--ease)}
.query-col a i{font-size:12px;color:#A9B0A6}
.query-col a:hover{color:var(--ink);transform:translateX(4px)}
.query-col a:hover i{color:var(--lime-deep)}

/* ---------- 内链卡 ---------- */
.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.link-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--lime)}
.link-card .thumb{aspect-ratio:16/9;background:#E8EAE4}
.link-card .thumb img{width:100%;height:100%;object-fit:cover}
.link-card .body{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column;gap:10px}
.link-card h3{font-size:19px}
.link-card p{color:var(--text-muted);font-size:15px;line-height:1.8;margin:0;flex:1}
.link-card .go{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink)}
.link-card .go .btn-arrow{color:var(--lime-deep);transition:transform .2s var(--ease)}
.link-card:hover .go .btn-arrow{transform:translateX(4px)}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--dark);padding:64px 0;border-top:1px solid var(--line-dark)}
.cta-inner{display:flex;align-items:center;gap:32px;flex-wrap:wrap;justify-content:space-between}
.cta-inner h2{color:#fff;font-size:30px;margin-bottom:10px}
.cta-inner p{color:var(--text-dark);font-size:16px;margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--text-dark);padding:72px 0 0;border-top:1px solid var(--line-dark)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:var(--gap)}
.site-footer .logo{color:#fff;margin-bottom:16px}
.site-footer p{font-size:14px;line-height:1.85;color:#9AA3AF;max-width:34em}
.foot-grid h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.foot-grid ul li{margin-bottom:10px}
.foot-grid ul a{color:#9AA3AF;font-size:14px}
.foot-grid ul a:hover{color:var(--lime)}
.foot-contact li{color:#9AA3AF;font-size:14px}
.foot-contact b{color:#E3E6EC;font-weight:600}
.foot-social{display:flex;gap:10px;margin-top:18px}
.foot-social a{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line-dark);color:#C3C9D2;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.foot-social a:hover{border-color:var(--lime);color:var(--lime);background:rgba(200,242,78,.08)}
.foot-bottom{
  margin-top:56px;border-top:1px solid var(--line-dark);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.foot-bottom p{font-size:13px;color:#7C8593;margin:0}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-links a{font-size:13px;color:#7C8593}
.foot-links a:hover{color:var(--lime)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1200px){
  :root{--maxw:1024px}
  h1{font-size:44px}
  .hero-inner h1{font-size:40px}
}
@media screen and (max-width:1024px){
  :root{--sec-pad:72px;--gap:24px}
  .trend-tip{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .link-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media screen and (max-width:900px){
  h2{font-size:28px}
  h3{font-size:21px}
  .channel-nav{display:none}
  .hot-chips{display:none}
  .channel-inner{justify-content:flex-end}
  .channel-bar{display:none}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
  .search-box{width:40px}
  .search-box.is-open{width:200px}
  .query-row{grid-template-columns:1fr}
  .query-col{border-right:0;border-bottom:1px solid var(--line);padding:26px 0}
  .query-col:last-child{border-bottom:0}
}
@media screen and (max-width:640px){
  :root{--sec-pad:56px;--gap:16px}
  body{font-size:16px}
  .wrap{padding:0 20px}
  h1{font-size:32px}
  .hero-inner{padding:44px 0}
  .hero-inner h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .page-hero{min-height:200px}
  .stats-grid{grid-template-columns:1fr;gap:22px}
  .stat{border-left:0;padding-left:0;border-top:1px solid var(--line-dark);padding-top:18px}
  .stat:first-child{border-top:0;padding-top:0}
  .stat-num{font-size:36px}
  .tl-item{padding-left:52px;padding-bottom:40px}
  .timeline::before{left:15px}
  .tl-dot{left:8px;width:14px;height:14px}
  .tl-item.is-active::before{left:15px}
  .tl-card{padding:22px 20px}
  .link-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner h2{font-size:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .foot-bottom{flex-direction:column;align-items:center;text-align:center}
  .accordion .accordion-content{padding-right:0}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --ink:#15171C;
  --lime:#C8F24E;
  --lime-deep:#B4DC3C;
  --lime-soft:#F3FBDD;
  --slate:#47545C;
  --amber:#E8A33D;
  --paper:#F6F6F2;
  --white:#FFFFFF;
  --dark:#12141A;
  --line:#E2E4DE;
  --line-dark:#2A2E36;
  --text:#2A2E33;
  --muted:#6B7480;
  --text-dark:#C9CDD3;
  --r-card:16px;
  --r-img:12px;
  --r-chip:6px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(21,23,28,.04),0 8px 24px -12px rgba(21,23,28,.12);
  --sh-2:0 16px 40px -16px rgba(21,23,28,.22);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Source Han Sans SC",-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.24}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.num,.stat-num b,.trust-num,.cmp-cell .metric{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- Foundation 覆盖 ---------- */
.grid-x{margin-left:-16px;margin-right:-16px}
.grid-x>.cell{padding-left:16px;padding-right:16px}
.accordion{background:transparent;margin:0;border:0}
.accordion-item{border:0}
.accordion-title{
  display:block;position:relative;padding:20px 44px 20px 0;font-size:17px;line-height:1.6;
  font-weight:600;color:var(--ink);background:transparent;border:0;
  transition:color .22s var(--ease);
}
.accordion-title:hover{color:var(--slate)}
.accordion-content{
  display:block;padding:0 44px 22px 0;border:0;background:transparent;
  color:var(--muted);font-size:16px;line-height:1.8;
}
.accordion-content[aria-hidden="true"]{display:none}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:1280px;margin:0 auto;padding-left:20px;padding-right:20px}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--ink)}
.topbar{height:56px;display:flex;align-items:center;border-bottom:1px solid var(--line-dark);transition:height .24s var(--ease)}
.site-header.is-scrolled .topbar{height:48px}
.topbar-inner{display:flex;align-items:center;gap:24px;width:100%}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.logo-mark{
  width:22px;height:22px;flex:0 0 auto;background:var(--lime);
  clip-path:polygon(0 0,100% 0,100% 60%,58% 100%,0 100%);
}
.trend-line{flex:1;min-width:0;color:var(--text-dark);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.trend-line i{color:var(--lime);margin-right:6px}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:12px;position:relative}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line-dark);
  background:transparent;color:#fff;display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease)
}
.icon-btn:hover{border-color:var(--lime);color:var(--lime)}
.btn-ghost-sm{
  height:40px;padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--line-dark);
  color:#fff;display:inline-flex;align-items:center;font-size:14px;font-weight:600;
  transition:border-color .22s var(--ease),color .22s var(--ease)
}
.btn-ghost-sm:hover{border-color:var(--lime);color:var(--lime)}
.search-panel{
  position:absolute;right:0;top:52px;width:320px;max-width:calc(100vw - 40px);
  background:#fff;border-radius:var(--r-pill);padding:5px;box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s
}
.search-panel.open{opacity:1;visibility:visible;transform:none}
.search-form{display:flex;align-items:center;gap:8px;height:46px;padding:0 6px 0 14px;border:1px solid var(--line);border-radius:var(--r-pill);background:#fff}
.search-form i{color:var(--muted);font-size:14px}
.search-form input{flex:1;min-width:0;height:100%;border:0;outline:0;background:transparent;font-size:15px;color:var(--ink)}
.search-form input::placeholder{color:#A3A9B0}
.search-submit{height:34px;padding:0 16px;border:0;border-radius:var(--r-pill);background:var(--lime);color:var(--ink);font-size:14px;font-weight:700;cursor:pointer;transition:background .2s var(--ease)}
.search-submit:hover{background:var(--lime-deep)}
.menu-toggle{display:none}
.nav-shell{background:var(--ink);border-bottom:1px solid var(--line-dark)}
.channel-nav{display:flex;align-items:center;gap:2px;height:48px;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{
  position:relative;display:inline-flex;align-items:center;height:48px;padding:0 16px;
  color:#E6E8EB;font-size:15px;font-weight:500;white-space:nowrap;
  transition:color .22s var(--ease)
}
.channel-nav a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease)
}
.channel-nav a:hover{color:#fff}
.channel-nav a:hover::after{transform:scaleX(1)}
.channel-nav a.active{color:#fff;font-weight:700}
.channel-nav a.active::after{transform:scaleX(1)}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:95;background:var(--dark);
  display:flex;flex-direction:column;padding:16px 20px 24px;overflow-y:auto;
  transform:translateX(100%);transition:transform .3s var(--ease)
}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-search{height:48px;border:1px solid var(--line-dark);background:#1B1E25;border-radius:var(--r-pill);padding:0 6px 0 16px}
.drawer-search input{color:#fff}
.drawer-nav{display:flex;flex-direction:column;margin-top:20px;border-top:1px solid var(--line-dark)}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 4px;border-bottom:1px solid var(--line-dark);color:#fff;font-size:17px
}
.drawer-nav a i{color:#5A636E;font-size:14px}
.drawer-nav a.active{color:var(--lime);font-weight:700}
.drawer-nav a.active i{color:var(--lime)}
.drawer-cta{margin-top:32px;width:100%;justify-content:center}
.drawer-mask{position:fixed;inset:0;z-index:90;background:rgba(18,20,26,.62);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s}
.drawer-mask.open{opacity:1;visibility:visible}
body.no-scroll{overflow:hidden}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border-radius:var(--r-pill);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease)
}
.btn i{transition:transform .24s var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--lime-deep);transform:translateY(-1px)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-outline{border-color:#C9CDC4;color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-invert{background:#fff;color:var(--ink)}
.btn-invert:hover{background:var(--lime)}
.btn-lime-line{border-color:var(--lime);color:var(--lime);background:transparent}
.btn-lime-line:hover{background:var(--lime);color:var(--ink)}
.btn-block{width:100%}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-chip);
  font-size:13px;letter-spacing:.06em;color:var(--slate);background:#fff;border:1px solid var(--line)
}
.badge-solid{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:700}
.badge-warn{border-color:var(--amber);color:#A96C12;background:#FDF7EC}
.badge-lime-line{border-color:rgba(200,242,78,.55);color:var(--lime);background:rgba(200,242,78,.10)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:13px;letter-spacing:.12em;color:var(--slate)
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--lime)}

/* ---------- Hero ---------- */
.page-hero{position:relative;background:var(--dark);color:#fff;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(18,20,26,.93),rgba(18,20,26,.95)),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(200,242,78,.09) 1px,transparent 1px),linear-gradient(to bottom,rgba(200,242,78,.09) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:linear-gradient(to bottom,#000,transparent 94%);
  mask-image:linear-gradient(to bottom,#000,transparent 94%)
}
.hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.45fr 1fr;
  gap:48px;align-items:end;min-height:280px;padding-top:60px;padding-bottom:52px
}
.hero-copy{max-width:720px}
.hero-copy h1{
  margin-top:18px;color:#fff;font-size:clamp(28px,3.6vw,44px);
  font-weight:800;line-height:1.16;letter-spacing:-.02em
}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--text-dark);max-width:640px}
.hero-stats{display:flex;gap:36px;justify-content:flex-end;align-items:flex-end;flex-wrap:wrap}
.hero-stats li{display:flex;flex-direction:column;gap:8px;min-width:96px}
.stat-num{display:inline-flex;align-items:baseline}
.stat-num b{font-size:34px;font-weight:800;color:var(--lime);line-height:1}
.stat-num .unit{margin-left:4px;font-size:15px;font-weight:700;color:var(--lime)}
.hero-stats .stat-label{font-size:13px;letter-spacing:.04em;color:#9BA2AC}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding-top:18px;padding-bottom:18px}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb .sep{color:#B9BDB6}
.breadcrumb .current{color:var(--text);font-weight:600}

/* ---------- 板块 ---------- */
.section{padding:var(--sec-y) 0}
.section-white{background:var(--white)}
.section-paper{background:var(--paper)}
.section-dark{background:var(--dark);color:var(--text-dark)}
.section-dark h2,.section-dark h3{color:#fff}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:44px}
.sec-head h2{font-size:clamp(26px,3vw,38px);letter-spacing:-.01em}
.sec-lead{margin-top:14px;max-width:760px;font-size:16px;line-height:1.8;color:var(--muted)}
.sec-side{flex:0 0 auto;padding-bottom:6px}

/* ---------- 对比矩阵 ---------- */
.compare{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;box-shadow:var(--sh-1)}
.cmp-row{display:grid;grid-template-columns:1.02fr 1fr 1.18fr;border-bottom:1px solid var(--line)}
.cmp-row:last-child{border-bottom:0}
.cmp-cell{
  display:flex;align-items:center;gap:10px;padding:18px 22px;
  font-size:15px;line-height:1.7;border-right:1px solid var(--line)
}
.cmp-cell:last-child{border-right:0}
.cmp-head .cmp-cell{
  padding-top:16px;padding-bottom:16px;background:var(--ink);color:#fff;
  font-size:14px;font-weight:700;letter-spacing:.06em;border-right-color:var(--line-dark)
}
.cmp-head .cmp-std{box-shadow:inset 0 4px 0 0 var(--lime)}
.cmp-label{font-weight:600;color:var(--ink);background:#FBFBF8}
.cmp-plain{color:var(--muted)}
.cmp-std{background:#FCFEF2}
.cmp-std .tick{
  width:20px;height:20px;flex:0 0 auto;border-radius:var(--r-pill);background:var(--ink);
  color:var(--lime);display:inline-flex;align-items:center;justify-content:center;font-size:10px
}
.cmp-group{
  padding:12px 22px;background:var(--paper);border-bottom:1px solid var(--line);
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--slate)
}
.cmp-note{margin-top:16px;font-size:14px;color:var(--muted)}

/* ---------- 信任要点 ---------- */
.trust-list{border-top:1px solid var(--line)}
.trust-list li{
  display:grid;grid-template-columns:120px 1fr;gap:32px;align-items:start;
  padding:32px 20px;border-bottom:1px solid var(--line);border-radius:8px;
  transition:background .24s var(--ease),transform .24s var(--ease)
}
.trust-list li:hover{background:#FAFBF7;transform:translateX(4px)}
.trust-num{font-size:44px;font-weight:800;line-height:1;color:#D6DAD2}
@supports (-webkit-text-stroke:1px #000){
  .trust-num{color:transparent;-webkit-text-stroke:1px #C6CBC2}
}
.trust-list h3{font-size:21px;margin-bottom:10px}
.trust-list p{font-size:16px;line-height:1.85;color:var(--muted);max-width:820px}

/* ---------- 处置流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.step{padding:30px 26px 8px;border-left:1px solid var(--line);transition:background .24s var(--ease)}
.step:first-child{border-left:0;padding-left:0}
.step:hover{background:#FAFBF7}
.step-idx{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--slate)}
.step h3{margin:14px 0 10px;font-size:19px}
.step p{font-size:15px;line-height:1.8;color:var(--muted)}
.step-meta{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;color:var(--slate)}
.step-meta i{color:var(--lime-deep)}

/* ---------- 双栏说明 ---------- */
.split-grid{align-items:start}
.split-title h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3}
.split-body p{font-size:17px;line-height:1.9;color:var(--text);max-width:760px}
.split-body p+p{margin-top:20px}
.split-figure{margin-top:28px;border-radius:var(--r-img);overflow:hidden;background:#E9EBE4}
.split-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.85fr 1.5fr;gap:56px;align-items:start}
.faq-intro p{margin-top:16px;font-size:16px;line-height:1.85;color:var(--muted);max-width:360px}
.faq-list{border-top:1px solid var(--line)}
.faq-list .accordion-item{border-bottom:1px solid var(--line)}
.faq-list .accordion-title::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--muted);
  transition:transform .28s var(--ease),color .22s var(--ease)
}
.faq-list .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(45deg);color:var(--ink)}
.faq-list .accordion-title::before{
  content:"";position:absolute;left:-16px;top:22px;bottom:22px;width:3px;border-radius:3px;
  background:var(--lime);opacity:0;transition:opacity .24s var(--ease)
}
.faq-list .accordion-item.is-active .accordion-title::before{opacity:1}

/* ---------- 内链卡片 ---------- */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.link-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)
}
.link-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--sh-2)}
.link-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#E9EBE4}
.link-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.link-card:hover .thumb img{transform:scale(1.04)}
.link-card .body{display:flex;flex-direction:column;gap:12px;flex:1;padding:24px}
.link-card h3{font-size:19px;line-height:1.4}
.link-card p{font-size:15px;line-height:1.8;color:var(--muted)}
.link-card .more{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--ink)
}
.link-card .more i{color:var(--lime-deep);transition:transform .24s var(--ease)}
.link-card:hover .more i{transform:translateX(4px)}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-card);background:var(--ink);color:#fff;
  padding:48px 56px;display:grid;grid-template-columns:1.6fr auto;gap:32px;align-items:center
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-90px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,242,78,.20),transparent 68%)
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px)}
.cta-band p{margin-top:12px;font-size:16px;line-height:1.8;color:var(--text-dark);max-width:640px}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--text-dark);padding:72px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;padding-bottom:56px}
.foot-grid h4{color:#fff;font-size:16px;margin-bottom:18px;letter-spacing:.02em}
.foot-grid ul li{margin-bottom:12px;font-size:15px;line-height:1.7}
.foot-grid a{color:var(--text-dark);transition:color .2s var(--ease)}
.foot-grid a:hover{color:var(--lime)}
.site-footer .logo{color:#fff;margin-bottom:16px}
.site-footer p{font-size:15px;line-height:1.8;color:#9BA2AC;max-width:360px}
.foot-social{display:flex;gap:12px;margin-top:22px}
.foot-social a{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line-dark);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;
  transition:border-color .22s var(--ease),color .22s var(--ease)
}
.foot-social a:hover{border-color:var(--lime);color:var(--lime)}
.foot-contact li{color:#9BA2AC}
.foot-contact li b{color:#fff;font-weight:600}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  border-top:1px solid var(--line-dark);padding:24px 0;font-size:14px;color:#8A929C
}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-links a{color:#8A929C;transition:color .2s var(--ease)}
.foot-links a:hover{color:var(--lime)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  :root{--sec-y:80px}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:40px}
  .trust-list li{grid-template-columns:96px 1fr;gap:24px}
  .trust-num{font-size:38px}
}
@media (max-width:900px){
  :root{--sec-y:72px}
  body{font-size:16px}
  .trend-line{display:none}
  .btn-ghost-sm{display:none}
  .channel-nav{display:none}
  .menu-toggle{display:inline-flex}
  .search-panel{display:none}
  .hero-inner{grid-template-columns:1fr;gap:32px;min-height:200px;padding-top:44px;padding-bottom:40px;align-items:start}
  .hero-stats{justify-content:flex-start;gap:28px}
  .stat-num b{font-size:28px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:20px;margin-bottom:32px}
  .steps{grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line)}
  .step{border-left:0;border-top:1px solid var(--line);padding:24px 0}
  .step:first-child{border-top:0;padding-top:0}
  .split-title{margin-bottom:24px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-intro p{max-width:640px}
  .cards-3{grid-template-columns:repeat(2,1fr);gap:24px}
  .cta-band{grid-template-columns:1fr;padding:36px 28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:640px){
  :root{--sec-y:56px}
  .hero-copy h1{font-size:clamp(26px,7vw,32px)}
  .hero-stats{gap:20px}
  .hero-stats li{min-width:88px}
  .stat-num b{font-size:26px}
  .cmp-row{grid-template-columns:1fr}
  .cmp-head{display:none}
  .cmp-cell{border-right:0;border-bottom:1px dashed var(--line);padding:14px 18px}
  .cmp-cell:last-child{border-bottom:0}
  .cmp-cell[data-col]::before{
    content:attr(data-col);flex:0 0 auto;margin-right:8px;
    font-size:13px;font-weight:700;color:var(--muted);white-space:nowrap
  }
  .cmp-label{background:#F1F2EC;font-weight:700}
  .trust-list li{grid-template-columns:1fr;gap:12px;padding:24px 12px}
  .trust-num{font-size:30px}
  .steps{grid-template-columns:1fr}
  .cards-3{grid-template-columns:1fr}
  .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .cta-band{padding:32px 22px}
  .foot-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .foot-bottom{flex-direction:column;text-align:center;justify-content:center}
  .faq-list .accordion-title::before{display:none}
  .accordion-title{padding-right:36px;font-size:16px}
  .accordion-content{padding-right:0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --ink:#15171C;
  --ink-deep:#12141A;
  --lime:#C8F24E;
  --lime-hover:#B8E03C;
  --lime-deep:#5C7A18;
  --slate:#47545C;
  --amber:#E8A33D;
  --paper:#F6F6F2;
  --white:#FFFFFF;
  --border:#E2E4DE;
  --border-dark:#2A2E36;
  --text:#2A2E33;
  --muted:#6B7480;
  --text-dark-area:#C9CDD3;
  --soft:#FAFBF7;
  --soft-lime:#F3FBDD;
  --r-card:16px;
  --r-img:12px;
  --r-badge:6px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(21,23,28,.04);
  --sh-2:0 8px 24px -12px rgba(21,23,28,.12);
  --sh-3:0 16px 40px -16px rgba(21,23,28,.22);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sec-pad:96px;
  --gutter:32px;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;height:auto;display:block;border-radius:var(--r-img);background:#E7E9E3}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
table{border-collapse:collapse;width:100%}

:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}

.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

.wrap{max-width:1280px;margin:0 auto;padding:0 24px;width:100%}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--ink);
  border-bottom:1px solid var(--border-dark);
}
.brand-bar{
  height:56px;
  transition:height .24s var(--ease);
}
.brand-inner{
  height:100%;
  display:flex;
  align-items:center;
  gap:24px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:800;
  font-size:18px;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.logo-mark{
  width:20px;
  height:20px;
  border-radius:5px;
  background:var(--lime);
  position:relative;
  flex:0 0 auto;
  transform:rotate(45deg);
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:5px;
  border-radius:2px;
  background:var(--ink);
}
.brand-ticker{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
  font-size:13px;
  color:#8E959E;
  overflow:hidden;
  white-space:nowrap;
}
.brand-ticker .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--lime);
  flex:0 0 auto;
}
.brand-ticker span{
  overflow:hidden;
  text-overflow:ellipsis;
}
.brand-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
}
.nav-search input{
  width:220px;
  height:38px;
  padding:0 40px 0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--border-dark);
  background:#1B1E24;
  color:#fff;
  font-size:14px;
  transition:width .28s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search input::placeholder{color:#79818B}
.nav-search input:focus{
  outline:none;
  width:320px;
  border-color:var(--lime);
  box-shadow:0 0 0 2px rgba(200,242,78,.35);
}
.nav-search button{
  position:absolute;
  right:6px;
  top:50%;
  transform:translateY(-50%);
  width:28px;height:28px;
  border:0;
  background:transparent;
  color:#9AA2AB;
  cursor:pointer;
  border-radius:50%;
  display:grid;
  place-items:center;
}
.nav-search button:hover{color:var(--lime)}

.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;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn i{transition:transform .2s var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--lime-hover);color:var(--ink)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-outline{border-color:rgba(255,255,255,.34);color:#fff;background:transparent}
.btn-outline:hover{background:var(--white);color:var(--ink);border-color:var(--white)}
.btn-outline:hover i{transform:translateX(4px)}
.btn-outline-dark{border-color:var(--border);color:var(--text);background:transparent}
.btn-outline-dark:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-outline-dark:hover i{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--lime-deep);padding:0;height:auto;border:0}
.btn-ghost:hover{color:var(--ink)}
.btn-ghost:hover i{transform:translateX(4px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--border-dark);
  border-radius:10px;
  background:transparent;
  color:#fff;
  font-size:17px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}

.channel-bar{
  height:48px;
  border-top:1px solid var(--border-dark);
  background:var(--ink);
}
.channel-inner{
  height:100%;
  display:flex;
  align-items:center;
  gap:20px;
}
.channel-nav{
  display:flex;
  align-items:center;
  gap:4px;
  height:100%;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:100%;
  padding:0 14px;
  font-size:14.5px;
  color:#ACB3BB;
  white-space:nowrap;
}
.channel-nav a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:0;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s var(--ease);
}
.channel-nav a:hover{color:#fff}
.channel-nav a:hover::after{transform:scaleX(1)}
.channel-nav a.active{color:#fff;font-weight:600}
.channel-nav a.active::after{transform:scaleX(1)}

.channel-hot{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  max-width:46%;
}
.channel-hot::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border:1px solid var(--border-dark);
  border-radius:var(--r-pill);
  font-size:13px;
  color:#A9B1BA;
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}

.site-header.scrolled .brand-bar{height:48px}
.site-header.scrolled .brand-ticker{display:none}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:var(--ink-deep);
  display:flex;
  flex-direction:column;
  transform:translateX(100%);
  transition:transform .3s var(--ease);
  visibility:hidden;
}
.mobile-drawer.open{transform:translateX(0);visibility:visible}
.drawer-top{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 20px;
  border-bottom:1px solid var(--border-dark);
}
.drawer-search{
  flex:1;
  position:relative;
  display:flex;
  align-items:center;
}
.drawer-search input{
  width:100%;
  height:44px;
  padding:0 42px 0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--border-dark);
  background:#1B1E24;
  color:#fff;
  font-size:15px;
}
.drawer-search input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 2px rgba(200,242,78,.3)}
.drawer-search button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border:0;background:transparent;color:#9AA2AB;cursor:pointer;
}
.drawer-close{
  width:44px;height:44px;
  border:1px solid var(--border-dark);
  border-radius:10px;
  background:transparent;
  color:#fff;
  font-size:16px;
  cursor:pointer;
}
.drawer-nav{
  padding:12px 20px 24px;
  overflow-y:auto;
  flex:1;
}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  padding:8px 0;
  color:#D6DAE0;
  font-size:16px;
  border-bottom:1px solid #1F232A;
}
.drawer-nav a:hover{color:var(--lime)}
.drawer-nav a.active{color:var(--lime);font-weight:600}
.drawer-nav a i{font-size:13px;color:#5E666F}
.drawer-foot{
  padding:16px 20px 24px;
  border-top:1px solid var(--border-dark);
}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;
  min-height:200px;
  background-image:linear-gradient(rgba(18,20,26,.72),rgba(18,20,26,.72)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  background-color:#12141A;
  color:#fff;
  display:flex;
  align-items:center;
  padding:36px 0;
}
.hero-inner{
  display:flex;
  align-items:center;
  gap:40px;
  flex-wrap:wrap;
}
.hero-text{flex:1 1 520px;min-width:0}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:#9AA2AB;
  margin-bottom:14px;
  flex-wrap:wrap;
}
.crumbs a{color:#9AA2AB}
.crumbs a:hover{color:var(--lime)}
.crumbs .sep{color:#4C555F}
.crumbs .current{color:#fff}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);
  font-weight:800;
  line-height:1.14;
  letter-spacing:-.02em;
  margin-bottom:12px;
}
.hero-sub{
  font-size:16px;
  line-height:1.8;
  color:var(--text-dark-area);
  max-width:46em;
}
.hero-search{
  flex:0 0 360px;
  position:relative;
  display:flex;
  align-items:center;
  background:#fff;
  border-radius:var(--r-pill);
  padding:4px 4px 4px 6px;
  box-shadow:var(--sh-2);
}
.hero-search input{
  flex:1;
  height:44px;
  border:0;
  background:transparent;
  padding:0 14px;
  font-size:15px;
  color:var(--text);
  border-radius:var(--r-pill);
}
.hero-search input::placeholder{color:#9AA2AB}
.hero-search input:focus{outline:none}
.hero-search button{
  height:44px;
  padding:0 22px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--lime);
  color:var(--ink);
  font-weight:600;
  font-size:15px;
  cursor:pointer;
  transition:background .2s var(--ease);
}
.hero-search button:hover{background:var(--lime-hover)}

/* ---------- Quick entry ---------- */
.quick-entry{
  background:var(--white);
  border-bottom:1px solid var(--border);
  padding:28px 0;
}
.quick-row{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}
.quick-item{
  display:flex;
  align-items:center;
  gap:12px;
  padding:16px 18px;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  background:var(--white);
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.quick-item:hover{
  transform:translateY(-4px);
  border-color:var(--lime);
  box-shadow:var(--sh-3);
  background:var(--soft);
}
.quick-item i{
  width:38px;height:38px;
  flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:10px;
  background:var(--soft-lime);
  color:var(--lime-deep);
  font-size:16px;
}
.quick-item b{display:block;font-size:15px;font-weight:600;line-height:1.4;color:var(--ink)}
.quick-item span{display:block;font-size:13px;color:var(--muted);line-height:1.5}

/* ---------- Help main ---------- */
.help-main{padding:var(--sec-pad) 0}

.toc-col{position:relative}
.toc{
  position:sticky;
  top:132px;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:22px 20px;
  box-shadow:var(--sh-1);
}
.toc h2{
  font-size:13px;
  letter-spacing:.06em;
  color:var(--muted);
  font-weight:600;
  margin-bottom:14px;
  text-transform:none;
}
.toc ol{display:flex;flex-direction:column}
.toc a{
  display:block;
  padding:10px 0 10px 14px;
  border-left:2px solid var(--border);
  color:var(--muted);
  font-size:14.5px;
  line-height:1.5;
  transition:color .2s var(--ease),border-color .2s var(--ease),padding-left .2s var(--ease);
}
.toc a:hover{color:var(--ink);padding-left:18px}
.toc a.active{
  color:var(--ink);
  font-weight:600;
  border-left-color:var(--lime);
}
.toc-cta{
  margin-top:20px;
  padding-top:20px;
  border-top:1px solid var(--border);
}
.toc-cta p{font-size:13.5px;color:var(--muted);line-height:1.7;margin-bottom:12px}

.toc-mobile{display:none}
.toc-toggle{
  width:100%;
  min-height:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:0 18px;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  background:var(--white);
  color:var(--ink);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
}
.toc-toggle i{transition:transform .24s var(--ease);color:var(--muted)}
.toc-toggle.open i{transform:rotate(180deg)}
.toc-panel{
  display:none;
  margin-top:10px;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  background:var(--white);
  padding:10px 16px;
}
.toc-panel.open{display:block}

/* ---------- Longform ---------- */
.longform{
  max-width:46em;
}
.longform .lead{
  font-size:18px;
  line-height:1.85;
  color:var(--slate);
  padding-bottom:24px;
  border-bottom:1px solid var(--border);
  margin-bottom:8px;
}
.longform section{padding-top:48px}
.longform h2{
  position:relative;
  font-size:28px;
  font-weight:700;
  line-height:1.3;
  color:var(--ink);
  padding-left:16px;
  margin-bottom:16px;
  letter-spacing:-.01em;
}
.longform h2::before{
  content:"";
  position:absolute;
  left:0;top:.18em;
  width:4px;height:1.05em;
  border-radius:2px;
  background:var(--lime);
}
.longform h3{
  font-size:22px;
  font-weight:600;
  line-height:1.4;
  margin:32px 0 12px;
  color:var(--ink);
}
.longform p{
  font-size:17px;
  line-height:1.9;
  margin-bottom:20px;
  color:var(--text);
}
.longform a{
  color:var(--lime-deep);
  text-decoration:underline;
  text-underline-offset:3px;
}
.longform a:hover{color:var(--ink)}

.longform figure{margin:28px 0}
.longform figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--r-img);
  background:#E7E9E3;
}
.longform figcaption{
  font-size:13px;
  color:var(--muted);
  text-align:center;
  margin-top:10px;
}

.step-list{counter-reset:step;margin-bottom:24px}
.step-list li{
  position:relative;
  padding:14px 0 14px 52px;
  border-bottom:1px solid var(--border);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  transition:background .2s var(--ease),padding-left .2s var(--ease);
}
.step-list li:hover{background:var(--soft);padding-left:56px}
.step-list li::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  position:absolute;
  left:0;top:14px;
  font-size:15px;
  font-weight:700;
  color:var(--lime-deep);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.step-list li:first-child{padding-top:0}
.step-list li:first-child::before{top:0}
.step-list li:last-child{border-bottom:0}

.dot-list{margin-bottom:24px}
.dot-list li{
  position:relative;
  padding:8px 0 8px 20px;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
}
.dot-list li::before{
  content:"";
  position:absolute;
  left:0;top:1.05em;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--lime);
}

.callout{
  border-left:4px solid var(--lime);
  background:#F6F8EE;
  border-radius:0 var(--r-card) var(--r-card) 0;
  padding:20px 22px;
  margin:28px 0;
}
.callout b{display:block;font-size:16px;color:var(--ink);margin-bottom:6px}
.callout p{margin:0;font-size:16px;line-height:1.85;color:var(--slate)}

.spec-table-wrap{
  margin:28px 0;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  overflow-x:auto;
  background:var(--white);
}
.spec-table{min-width:520px;font-size:15px}
.spec-table th,.spec-table td{
  padding:14px 18px;
  text-align:left;
  border-bottom:1px solid var(--border);
  line-height:1.7;
}
.spec-table th{
  background:var(--paper);
  font-weight:600;
  color:var(--ink);
  font-size:14px;
  letter-spacing:.02em;
}
.spec-table tbody tr:nth-child(even){background:#FCFCFA}
.spec-table tbody tr:last-child td{border-bottom:0}
.spec-table td:first-child{color:var(--ink);font-weight:500}
.spec-table td .num{font-weight:700}

/* ---------- FAQ ---------- */
.faq-section{
  background:var(--white);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:var(--sec-pad) 0;
}
.faq-grid{
  display:grid;
  grid-template-columns:minmax(0,340px) minmax(0,1fr);
  gap:64px;
  align-items:start;
}
.faq-head h2{
  font-size:38px;
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.02em;
  margin-bottom:16px;
  color:var(--ink);
}
.faq-head p{
  font-size:16.5px;
  line-height:1.85;
  color:var(--muted);
  margin-bottom:24px;
}

.accordion.faq-acc{
  border:0;
  background:transparent;
  margin:0;
}
.faq-acc .accordion-item{
  border:0;
  border-bottom:1px solid var(--border);
  background:transparent;
}
.faq-acc .accordion-title{
  position:relative;
  display:block;
  padding:22px 48px 22px 0;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  background:transparent;
  border:0;
  transition:color .2s var(--ease);
}
.faq-acc .accordion-title::before{
  content:"+";
  position:absolute;
  right:8px;
  top:50%;
  transform:translateY(-50%);
  font-size:24px;
  font-weight:400;
  line-height:1;
  color:var(--muted);
  transition:transform .28s var(--ease),color .2s var(--ease);
}
.faq-acc .accordion-title:hover,
.faq-acc .accordion-title:focus{
  background:transparent;
  color:var(--lime-deep);
}
.faq-acc .accordion-title:hover::before{color:var(--lime-deep)}
.faq-acc .accordion-title[aria-expanded="true"]::before{
  transform:translateY(-50%) rotate(45deg);
  color:var(--lime-deep);
}
.faq-acc .accordion-content{
  border:0;
  padding:0 48px 24px 0;
  background:transparent;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
}
.faq-acc .accordion-content p{font-size:16px;line-height:1.85;color:var(--muted)}

/* ---------- Contact ---------- */
.contact-section{padding:var(--sec-pad) 0}
.contact-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:40px;
  box-shadow:var(--sh-2);
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,380px);
  gap:48px;
  align-items:center;
}
.contact-card h2{
  font-size:32px;
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.02em;
  margin-bottom:14px;
  color:var(--ink);
}
.contact-card > div > p{
  font-size:16.5px;
  line-height:1.85;
  color:var(--muted);
}
.contact-rows{
  border-top:1px solid var(--border);
  margin-top:28px;
}
.contact-rows li{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  padding:16px 0;
  border-bottom:1px solid var(--border);
  font-size:15.5px;
  color:var(--muted);
  transition:background .2s var(--ease),padding-left .2s var(--ease);
}
.contact-rows li:hover{background:var(--soft);padding-left:8px}
.contact-rows b{color:var(--ink);font-weight:600;white-space:nowrap}

.contact-aside{
  background:var(--soft-lime);
  border:1px solid #DCEBB4;
  border-radius:var(--r-card);
  padding:28px 24px;
}
.contact-aside .badge{background:var(--ink);color:var(--lime);border-color:var(--ink)}
.contact-aside p{
  font-size:15px;
  line-height:1.8;
  color:#3F4A22;
  margin:14px 0 20px;
}
.contact-aside .btn{width:100%}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 10px;
  border-radius:var(--r-badge);
  border:1px solid var(--border);
  background:var(--white);
  color:var(--muted);
  font-size:13px;
  letter-spacing:.06em;
  white-space:nowrap;
}
.badge-lime{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:600}
.badge-amber{border-color:var(--amber);color:#A86A11;background:#FDF6EA}

/* ---------- CTA strip ---------- */
.cta-strip{
  background:var(--ink-deep);
  color:#fff;
  padding:64px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-inner h2{
  font-size:32px;
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.02em;
  margin-bottom:10px;
}
.cta-inner p{
  font-size:16px;
  line-height:1.8;
  color:var(--text-dark-area);
  max-width:44em;
}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-deep);
  color:var(--text-dark-area);
  padding:72px 0 0;
  border-top:1px solid var(--border-dark);
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.site-footer .logo{color:#fff;margin-bottom:18px}
.site-footer p{font-size:14.5px;line-height:1.85;color:#9AA2AB;max-width:34em}
.site-footer h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.site-footer ul li{margin-bottom:12px}
.site-footer ul a{
  font-size:14.5px;
  color:#9AA2AB;
  transition:color .2s var(--ease),padding-left .2s var(--ease);
  display:inline-block;
}
.site-footer ul a:hover{color:var(--lime);padding-left:4px}
.foot-contact li{font-size:14.5px;color:#9AA2AB}
.foot-contact b{color:#fff;font-weight:600}
.foot-social{display:flex;gap:10px;margin-top:20px}
.foot-social a{
  width:40px;height:40px;
  display:grid;place-items:center;
  border:1px solid var(--border-dark);
  border-radius:10px;
  color:#9AA2AB;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.foot-social a:hover{color:var(--ink);background:var(--lime);border-color:var(--lime)}
.foot-bottom{
  border-top:1px solid var(--border-dark);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
.foot-bottom p{font-size:13.5px;color:#7E868F;max-width:none}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-links a{font-size:13.5px;color:#9AA2AB}
.foot-links a:hover{color:var(--lime)}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  :root{--sec-pad:80px;--gutter:28px}
  .faq-grid{gap:44px;grid-template-columns:minmax(0,300px) minmax(0,1fr)}
  .brand-ticker{display:none}
}

@media (max-width:1024px){
  :root{--sec-pad:72px}
  .quick-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .faq-head h2{font-size:30px}
  .contact-card{grid-template-columns:minmax(0,1fr);gap:32px;padding:32px}
  .contact-card h2{font-size:27px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-search input{width:170px}
  .nav-search input:focus{width:220px}
  .channel-hot{display:none}
}

@media (max-width:900px){
  .toc-col{display:none}
  .toc-mobile{display:block;margin-bottom:32px}
  .longform{max-width:none}
  .hero-search{flex:1 1 100%}
  .page-hero{min-height:auto;padding:32px 0 36px}
}

@media (max-width:768px){
  :root{--sec-pad:56px}
  body{font-size:16px}
  .wrap{padding:0 20px}
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .brand-bar{height:48px}
  .brand-inner{gap:14px}
  .logo{font-size:16px}
  .brand-actions .btn{display:none}
  .channel-nav a{padding:0 12px;font-size:14px}
  .page-hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .quick-row{grid-template-columns:minmax(0,1fr);gap:12px}
  .longform h2{font-size:24px}
  .longform h3{font-size:20px}
  .longform p{font-size:16.5px}
  .cta-inner h2{font-size:26px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .foot-bottom{flex-direction:column;text-align:center;justify-content:center}
}

@media (max-width:520px){
  .page-hero h1{font-size:26px}
  .hero-search{padding:5px}
  .hero-search button{padding:0 16px;font-size:14px}
  .faq-acc .accordion-title{padding:18px 40px 18px 0;font-size:16px}
  .faq-acc .accordion-content{padding:0 0 20px}
  .contact-card{padding:24px}
  .contact-rows li{flex-direction:column;gap:6px;align-items:flex-start}
  .step-list li{padding-left:44px;font-size:16px}
  .step-list li:hover{padding-left:46px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .quick-item:hover,.btn:hover{transform:none}
}