/* roulang page: index */
:root{
  --ink:#0F1B14;
  --ink-2:#1B2A21;
  --ink-3:#2A3B30;
  --paper:#F5F6F3;
  --paper-2:#EAECE5;
  --line:#DDDFD8;
  --accent:#7CE038;
  --accent-deep:#5FBF25;
  --accent-soft:#EDF8E0;
  --warn:#FF7A2F;
  --warn-soft:#FFF0E6;
  --muted:#6C756C;
  --radius-card:14px;
  --radius-img:18px;
  --radius-btn:10px;
  --radius-pill:999px;
  --sh-1:0 1px 2px rgba(15,27,20,.04);
  --sh-2:0 8px 24px rgba(15,27,20,.06);
  --sh-3:0 16px 40px rgba(15,27,20,.10);
  --ease:cubic-bezier(.2,.8,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
html,body{overflow-x:hidden;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.15;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
time{font-variant-numeric:tabular-nums;}
::selection{background:var(--accent);color:var(--ink);}

.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
@media (min-width:1440px){
  .container{max-width:1280px;}
}

/* ============ 通用排版 / 区块 ============ */
.section{padding:96px 0;position:relative;}
.section--tight{padding:72px 0;}
.section--paper2{background:var(--paper-2);}
.section--ink{background:var(--ink);color:#E8EDE6;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.section-head .sh-left{max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.04em;font-weight:700;color:var(--muted);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block;border-radius:2px;}
.section-title{font-size:clamp(26px,3.2vw,38px);}
.section-desc{margin-top:14px;color:var(--muted);font-size:16px;max-width:60ch;}
.link-more{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;
  color:var(--ink);white-space:nowrap;position:relative;
}
.link-more::after{content:"";position:absolute;left:0;bottom:-4px;width:100%;height:2px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);}
.link-more:hover::after{transform:scaleX(1);}
.link-more i{color:var(--accent-deep);}

/* ============ 按钮 ============ */
.btn-ink{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--radius-btn);border:1px solid var(--ink);
  background:var(--ink);color:#fff;font-weight:700;font-size:15.5px;
  cursor:pointer;transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-ink:hover{background:var(--ink-3);border-color:var(--ink-3);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--radius-btn);border:1px solid var(--accent);
  background:var(--accent);color:var(--ink);font-weight:800;font-size:15.5px;
  cursor:pointer;transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-accent:hover{background:var(--accent-deep);border-color:var(--accent-deep);transform:translateY(-2px);box-shadow:0 10px 26px rgba(95,191,37,.28);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--radius-btn);border:1px solid rgba(15,27,20,.28);
  background:transparent;color:var(--ink);font-weight:700;font-size:15.5px;
  cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-2px);}
.btn-ghost--light{border-color:rgba(255,255,255,.35);color:#fff;}
.btn-ghost--light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-sm{padding:9px 18px;font-size:14px;}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent-deep);outline-offset:2px;
}
.btn-accent:disabled,.btn-ink:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(245,246,243,.72);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease),padding .25s var(--ease);
}
.site-header.scrolled{
  background:rgba(245,246,243,.95);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:74px;transition:height .25s var(--ease);
}
.site-header.scrolled .nav-inner{height:64px;}
.brand{display:inline-flex;align-items:center;gap:11px;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  position:relative;overflow:hidden;
}
.brand-mark::after{
  content:"";position:absolute;width:13px;height:13px;border-radius:4px;
  background:var(--accent);transform:rotate(45deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text b{font-size:17px;font-weight:900;letter-spacing:-.01em;}
.brand-text span{font-size:11px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;font-weight:600;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;display:inline-block;padding:9px 15px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;color:var(--ink-2);
}
.nav-links a::after{
  content:"";position:absolute;left:15px;bottom:4px;height:2px;width:0;background:var(--accent-deep);
  transition:width .22s var(--ease);
}
.nav-links a:hover{color:var(--ink);background:rgba(15,27,20,.045);}
.nav-links a:hover::after{width:calc(100% - 30px);}
.nav-links a.active{background:var(--accent-soft);color:var(--ink);font-weight:800;}
.nav-links a.active::after{width:0;}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease);}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.drawer{
  position:fixed;inset:0;background:var(--ink);z-index:1039;
  display:flex;flex-direction:column;justify-content:center;padding:96px 32px 120px;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s var(--ease);
}
.drawer.open{opacity:1;visibility:visible;transform:none;}
.drawer a{
  display:block;color:#fff;font-size:26px;font-weight:800;padding:16px 0;
  border-bottom:1px solid rgba(255,255,255,.12);letter-spacing:-.01em;
}
.drawer a:hover,.drawer a.active{color:var(--accent);}
.drawer-cta{position:absolute;left:32px;right:32px;bottom:36px;}
.drawer-cta .btn-accent{width:100%;}

@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-right .btn-accent{display:none;}
  .nav-toggle{display:flex;}
}

/* ============ Hero ============ */
.hero{
  padding:150px 0 0;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-160px;right:-180px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%, rgba(124,224,56,.20), rgba(124,224,56,0) 68%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;position:relative;}
.hero-title{
  font-size:clamp(40px,6vw,84px);
  font-weight:900;letter-spacing:-.03em;line-height:1.06;
  margin:18px 0 22px;
}
.hero-title .hl{
  display:block;
  position:relative;
  color:var(--ink);
}
.hero-title .hl::after{
  content:"";position:absolute;left:0;bottom:8px;width:100%;height:14px;
  background:var(--accent);opacity:.35;z-index:-1;border-radius:6px;
}
.hero-title .line2{display:block;font-size:.52em;font-weight:800;color:var(--ink-3);letter-spacing:-.02em;margin-top:6px;}
.hero-sub{font-size:18px;color:var(--muted);max-width:34ch;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--ink-2);font-weight:600;
  box-shadow:var(--sh-1);
}
.chip i{color:var(--accent-deep);font-size:12px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;height:520px;object-fit:cover;border-radius:var(--radius-img);
  box-shadow:var(--sh-3);
}
.hero-float{
  position:absolute;left:-26px;bottom:36px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:16px 20px;box-shadow:var(--sh-2);
  display:flex;flex-direction:column;gap:2px;
}
.hero-float b{font-size:26px;font-weight:900;font-variant-numeric:tabular-nums;line-height:1.1;}
.hero-float span{font-size:13px;color:var(--muted);letter-spacing:.02em;}
.hero-float em{font-style:normal;color:var(--accent-deep);font-size:12px;font-weight:800;}

/* 信任条 */
.trust-bar{
  margin-top:64px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.trust-item{padding:28px 24px;border-right:1px solid var(--line);}
.trust-item:last-child{border-right:0;}
.trust-item b{
  display:block;font-size:clamp(28px,3vw,38px);font-weight:900;line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.trust-item b small{font-size:.5em;font-weight:800;color:var(--muted);margin-left:4px;}
.trust-item span{display:block;margin-top:6px;font-size:14px;color:var(--muted);}

@media (max-width:991.98px){
  .hero{padding-top:120px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual img{height:340px;}
  .hero-float{left:auto;right:18px;bottom:-18px;}
  .trust-bar{grid-template-columns:repeat(2,1fr);}
  .trust-item:nth-child(2){border-right:0;}
  .trust-item:nth-child(1),.trust-item:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:575.98px){
  .hero{padding-top:104px;}
  .hero-title{font-size:clamp(32px,9vw,46px);}
  .hero-sub{font-size:16px;}
  .hero-actions .btn-ink,.hero-actions .btn-accent{width:100%;}
  .trust-item{padding:22px 16px;}
}

/* ============ 阶梯 ============ */
.ladder{display:flex;flex-direction:column;gap:18px;}
.ladder-row{
  display:grid;grid-template-columns:88px 1fr auto;gap:26px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 30px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.ladder-row:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(124,224,56,.55);}
.ladder-row.lv2{margin-left:36px;background:#fff;}
.ladder-row.lv3{margin-left:72px;background:var(--ink);border-color:var(--ink);color:#E8EDE6;}
.ladder-row.lv3 .lv-name,.ladder-row.lv3 .lv-desc{color:#fff;}
.ladder-row.lv3 .lv-list li{color:rgba(232,237,230,.86);}
.ladder-row.lv3 .lv-list li i{color:var(--accent);}
.lv-num{
  font-size:34px;font-weight:900;font-variant-numeric:tabular-nums;letter-spacing:-.03em;
  color:var(--line);line-height:1;
}
.ladder-row.lv3 .lv-num{color:rgba(124,224,56,.55);}
.lv-name{font-size:19px;font-weight:800;margin-bottom:6px;}
.lv-desc{font-size:14px;color:var(--muted);}
.lv-list{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:14px;}
.lv-list li{font-size:14.5px;color:var(--ink-2);display:inline-flex;align-items:center;gap:8px;}
.lv-list li i{color:var(--accent-deep);font-size:12px;}
.lv-badge{
  display:inline-block;padding:4px 12px;border-radius:var(--radius-pill);
  background:var(--warn-soft);color:#C4551A;font-size:12.5px;font-weight:800;margin-bottom:10px;
}
.ladder-row.lv3 .lv-badge{background:rgba(255,122,47,.16);color:#FFB183;}
.lv-action{flex:0 0 auto;}

@media (max-width:991.98px){
  .ladder-row{grid-template-columns:64px 1fr;gap:18px;}
  .ladder-row .lv-action{grid-column:1 / -1;}
  .ladder-row.lv2{margin-left:18px;}
  .ladder-row.lv3{margin-left:36px;}
}
@media (max-width:575.98px){
  .ladder-row{padding:20px;grid-template-columns:1fr;margin-left:0 !important;}
  .lv-num{font-size:26px;}
}

/* ============ 对比表 ============ */
.cmp-shell{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.cmp-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.cmp-table{width:100%;border-collapse:separate;border-spacing:0;min-width:760px;}
.cmp-table th,.cmp-table td{
  padding:18px 22px;border-bottom:1px solid var(--line);text-align:left;font-size:15px;
}
.cmp-table thead th{
  position:sticky;top:0;z-index:3;background:var(--paper-2);
  font-size:14px;font-weight:800;color:var(--ink);letter-spacing:.01em;
}
.cmp-table tbody th{
  position:sticky;left:0;z-index:2;background:#fff;font-weight:700;font-size:15px;
  box-shadow:1px 0 0 var(--line);
}
.cmp-table tbody tr:last-child th,.cmp-table tbody tr:last-child td{border-bottom:0;}
.cmp-table tbody tr:hover th{background:#F0F2EC;}
.cmp-table tbody tr:hover td{background:#F0F2EC;}
.cmp-table th.rec,.cmp-table td.rec{background:var(--accent-soft);}
.cmp-table thead th.rec{background:#E2F5CE;position:relative;}
.cmp-table tbody tr:hover td.rec{background:#E0F3CB;}
.cmp-tag{
  position:absolute;top:-1px;left:50%;transform:translateX(-50%);
  background:var(--ink);color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.08em;
  padding:3px 12px;border-radius:0 0 10px 10px;white-space:nowrap;
}
.cmp-mark{color:var(--accent-deep);font-size:16px;}
.cmp-x{color:#C2C8BE;font-size:16px;}
.cmp-note{margin-top:16px;font-size:13.5px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.cmp-note i{color:var(--warn);}

/* ============ 限时入口 ============ */
.countdown-band{
  position:relative;background:var(--ink-2);color:#E8EDE6;overflow:hidden;
}
.countdown-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.16;
}
.countdown-inner{position:relative;display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center;padding:78px 0;}
.countdown-band h2{color:#fff;font-size:clamp(26px,3.4vw,40px);margin-bottom:16px;}
.countdown-band p{color:rgba(232,237,230,.78);font-size:16px;max-width:46ch;}
.countdown-box{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-card);padding:28px;backdrop-filter:blur(2px);
}
.cd-label{font-size:13px;letter-spacing:.06em;color:var(--warn);font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.cd-digits{display:flex;align-items:center;gap:12px;margin-bottom:22px;}
.cd-cell{
  flex:1;background:rgba(15,27,20,.55);border:1px solid rgba(124,224,56,.22);
  border-radius:12px;padding:16px 8px;text-align:center;
}
.cd-cell b{display:block;font-size:clamp(26px,3.4vw,38px);font-weight:900;font-variant-numeric:tabular-nums;color:#fff;line-height:1.05;letter-spacing:-.02em;}
.cd-cell span{display:block;font-size:11.5px;color:rgba(232,237,230,.6);letter-spacing:.1em;margin-top:6px;}
.cd-sep{color:rgba(124,224,56,.6);font-weight:900;font-size:22px;padding-bottom:16px;}
.cd-foot{font-size:13.5px;color:rgba(232,237,230,.7);margin-bottom:18px;}
.countdown-box .btn-accent{width:100%;}
@media (max-width:991.98px){
  .countdown-inner{grid-template-columns:1fr;gap:32px;padding:60px 0;}
}

/* ============ 资讯卡片 ============ */
.news-card{
  height:100%;display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(124,224,56,.55);}
.news-cover{display:block;position:relative;overflow:hidden;}
.news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease);}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.badge-tag{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 12px;border-radius:var(--radius-pill);background:var(--accent-soft);
  color:#3D7A18;font-size:12.5px;font-weight:800;margin-bottom:12px;
}
.news-body h3{font-size:17.5px;line-height:1.45;font-weight:800;margin-bottom:10px;}
.news-body h3 a{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-body h3 a{color:var(--accent-deep);}
.news-body p{
  font-size:14.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:18px;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);
}
.news-meta a{font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:6px;}
.news-meta a:hover{color:var(--accent-deep);}
.empty-state{
  grid-column:1 / -1;text-align:center;padding:64px 24px;background:#fff;
  border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state i{font-size:34px;color:var(--line);margin-bottom:16px;display:block;}
.empty-state p{color:var(--muted);margin-bottom:20px;}

/* ============ 表单 ============ */
.consult{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:start;}
.consult-list{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.consult-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2);}
.consult-list li i{color:var(--accent-deep);margin-top:6px;font-size:13px;}
.consult-aside-note{
  margin-top:28px;padding:18px 20px;border-radius:var(--radius-card);
  background:var(--paper-2);border:1px solid var(--line);font-size:14px;color:var(--muted);
}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--sh-2);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:8px;}
.field label .req{color:var(--warn);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--paper);font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{min-height:120px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--ink);
  box-shadow:inset 0 0 0 1px var(--accent);
}
.field .err-tip{display:none;margin-top:6px;font-size:13px;color:#C0392B;font-weight:600;}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#C0392B;}
.field.invalid .err-tip{display:block;}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13.8px;color:var(--muted);margin-bottom:22px;}
.check-line input{width:17px;height:17px;margin-top:5px;accent-color:var(--accent-deep);flex:0 0 auto;}
.check-line a{color:var(--ink);font-weight:700;text-decoration:underline;}
.alert-bar{
  display:none;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--radius-btn);
  font-size:14.5px;font-weight:600;margin-bottom:18px;
}
.alert-bar.ok{display:flex;background:var(--accent-soft);color:#3D7A18;border:1px solid rgba(124,224,56,.5);}
.alert-bar.bad{display:flex;background:#FDEDEA;color:#B63A24;border:1px solid #F3C6BC;}
.form-card .btn-accent{width:100%;}
@media (max-width:991.98px){
  .consult{grid-template-columns:1fr;gap:36px;}
}
@media (max-width:575.98px){
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:22px;}
}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;cursor:pointer;
  padding:22px 44px 22px 0;position:relative;font-size:17px;font-weight:800;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--accent-deep);}
.faq-q::before{
  content:"";position:absolute;left:-16px;top:26px;width:2px;height:0;background:var(--accent);
  transition:height .24s var(--ease);
}
.faq-item.open .faq-q::before{height:20px;}
.faq-item.open .faq-q{color:var(--accent-deep);}
.faq-q .ico{
  position:absolute;right:6px;top:50%;width:22px;height:22px;margin-top:-11px;
}
.faq-q .ico::before,.faq-q .ico::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease),background .24s var(--ease);
}
.faq-q .ico::before{left:4px;top:10px;width:14px;height:2px;}
.faq-q .ico::after{left:10px;top:4px;width:2px;height:14px;}
.faq-item.open .faq-q .ico::after{transform:rotate(90deg);opacity:0;}
.faq-item.open .faq-q .ico::before{background:var(--accent-deep);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq-a p{padding:0 48px 24px 0;font-size:15.5px;color:var(--muted);line-height:1.85;}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--ink);color:#fff;border-radius:0;
}
.cta-inner{
  display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;padding:70px 0;
}
.cta-inner h2{color:#fff;font-size:clamp(24px,3vw,36px);margin-bottom:14px;}
.cta-inner p{color:rgba(232,237,230,.75);font-size:16px;max-width:52ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
@media (max-width:991.98px){
  .cta-inner{grid-template-columns:1fr;gap:26px;padding:56px 0;}
  .cta-actions{justify-content:flex-start;}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(232,237,230,.78);padding-top:72px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;
  padding-bottom:52px;
}
.footer-brand .brand-text b{color:#fff;}
.footer-brand .brand-text span{color:rgba(232,237,230,.5);}
.footer-brand .brand-mark{background:#fff;}
.footer-brand .brand-mark::after{background:var(--accent-deep);}
.footer-desc{margin-top:20px;font-size:14px;line-height:1.85;color:rgba(232,237,230,.62);max-width:34ch;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:11px;border:1px solid rgba(255,255,255,.16);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(232,237,230,.8);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{background:var(--accent);color:var(--ink);border-color:var(--accent);transform:translateY(-2px);}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:18px;letter-spacing:.01em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:rgba(232,237,230,.68);position:relative;}
.footer-col a:hover{color:var(--accent);}
.footer-col li span{font-size:14px;color:rgba(232,237,230,.68);}
.footer-col li b{color:#fff;font-weight:700;font-variant-numeric:tabular-nums;}
.footer-bar{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(232,237,230,.5);
}
.footer-bar a{color:rgba(232,237,230,.5);}
.footer-bar a:hover{color:var(--accent);}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding-top:52px;}
}

/* ============ 回到顶部 & 动效 ============ */
.to-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:14px;
  background:var(--ink);color:var(--accent);border:0;cursor:pointer;z-index:1035;
  display:inline-flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease),background .2s var(--ease);
  box-shadow:var(--sh-2);
}
.to-top.show{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--ink-3);}
@media (max-width:575.98px){
  .to-top{right:14px;bottom:16px;}
}

.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s var(--ease),transform .48s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  .news-card:hover,.ladder-row:hover,.btn-ink:hover,.btn-accent:hover,.btn-ghost:hover{transform:none;}
  .news-card:hover .news-cover img{transform:none;}
}

/* roulang page: article */
:root{
  --ink:#0F1B14;
  --ink-2:#1B2A21;
  --paper:#F5F6F3;
  --paper-2:#EAECE5;
  --line:#DDDFD8;
  --accent:#7CE038;
  --accent-deep:#59B81E;
  --warn:#FF7A2F;
  --muted:#6C756C;
  --radius-card:14px;
  --radius-img:18px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(15,27,20,.04);
  --shadow-2:0 8px 24px rgba(15,27,20,.06);
  --shadow-3:0 16px 40px rgba(15,27,20,.10);
  --bs-body-bg:var(--paper);
  --bs-body-color:var(--ink);
  --bs-primary:var(--ink);
  --bs-link-color:var(--ink);
  --bs-link-hover-color:var(--accent-deep);
  --bs-border-radius:var(--radius-btn);
  --bs-font-sans-serif:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent-deep)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.15}
p{margin:0}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1440px){.container{max-width:1280px}}
.eyebrow{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3vw,34px)}
.section-head p{color:var(--muted);font-size:15px;margin-top:10px}
.link-more{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;border-bottom:2px solid transparent;padding-bottom:2px}
.link-more:hover{border-color:var(--accent)}
@media (max-width:768px){.section{padding:56px 0}.section-tight{padding:44px 0}}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(245,246,243,.96);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:var(--shadow-2);background:rgba(245,246,243,.99)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px;transition:height .25s ease}
.site-header.is-stuck .nav-inner{height:66px}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--ink);position:relative;flex:0 0 auto;
  box-shadow:inset 0 0 0 1px rgba(124,224,56,.35);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:4px;
  background:linear-gradient(135deg,var(--accent),#2f6b12);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text b{font-size:17px;font-weight:900;letter-spacing:-.02em;color:var(--ink)}
.brand-text span{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;font-size:15px;font-weight:600;color:var(--ink-2);
  padding:9px 14px;border-radius:999px;transition:background .2s ease,color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(0);
  width:18px;height:3px;border-radius:999px;background:var(--accent);transition:transform .22s ease;
}
.nav-links a:hover{background:var(--paper-2);color:var(--ink)}
.nav-links a.active{background:var(--ink);color:var(--paper)}
.nav-links a.active::after{transform:translateX(-50%) scaleX(1);background:var(--accent)}
.nav-right{display:flex;align-items:center;gap:12px}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:var(--ink);font-weight:800;
  padding:12px 22px;border-radius:var(--radius-btn);border:1px solid var(--accent);
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease;
  cursor:pointer;
}
.btn-accent:hover{background:var(--accent-deep);border-color:var(--accent-deep);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--ink);font-weight:700;
  padding:12px 22px;border-radius:var(--radius-btn);border:1px solid var(--ink);
  transition:background .2s ease,color .2s ease,transform .2s ease;
  cursor:pointer;
}
.btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn-ink{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--ink);color:var(--paper);font-weight:700;
  padding:12px 22px;border-radius:var(--radius-btn);border:1px solid var(--ink);cursor:pointer;
  transition:transform .2s ease,background .2s ease;
}
.btn-ink:hover{background:var(--ink-2);color:var(--paper);transform:translateY(-2px)}
.btn-accent:focus-visible,.btn-ghost:focus-visible,.btn-ink:focus-visible,.link-more:focus-visible{
  outline:2px solid var(--accent-deep);outline-offset:2px;
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--paper);flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
@media (max-width:991px){
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;inset:0;z-index:150;background:var(--ink);
    flex-direction:column;align-items:flex-start;justify-content:flex-start;
    padding:110px 32px 140px;gap:8px;
    transform:translateX(102%);transition:transform .32s cubic-bezier(.2,.8,.2,1);
  }
  .nav-links a{color:var(--paper);font-size:22px;font-weight:700;padding:14px 0;width:100%;border-bottom:1px solid rgba(245,246,243,.12);border-radius:0}
  .nav-links a:hover{background:transparent;color:var(--accent)}
  .nav-links a.active{background:transparent;color:var(--accent)}
  .nav-links a::after{display:none}
  .nav-open .nav-links{transform:translateX(0)}
  .nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-open .nav-toggle span:nth-child(2){opacity:0}
  .nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav-toggle{position:relative;z-index:200}
}
@media (max-width:576px){
  .nav-inner{height:66px}
  .brand-text b{font-size:15px}
  .nav-right .btn-accent.btn-sm{display:none}
}

/* ---------- 页头横幅 ---------- */
.page-banner{
  position:relative;background:var(--ink);color:var(--paper);overflow:hidden;
  padding:64px 0 72px;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.26;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,27,20,.94) 0%,rgba(15,27,20,.78) 55%,rgba(15,27,20,.6) 100%);
}
.page-banner .container{position:relative;z-index:2}
.breadcrumb-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(245,246,243,.66);margin-bottom:22px}
.breadcrumb-nav a{color:rgba(245,246,243,.82)}
.breadcrumb-nav a:hover{color:var(--accent)}
.breadcrumb-nav .sep{opacity:.5}
.breadcrumb-nav .current{color:var(--paper);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.tag-accent{background:rgba(124,224,56,.16);color:var(--accent);border:1px solid rgba(124,224,56,.36)}
.tag-line{background:rgba(245,246,243,.08);color:rgba(245,246,243,.86);border:1px solid rgba(245,246,243,.18)}
.page-banner h1{
  font-size:clamp(26px,3.6vw,44px);font-weight:900;letter-spacing:-.02em;line-height:1.22;
  max-width:22ch;color:#fff;
}
.article-meta{display:flex;flex-wrap:wrap;gap:20px;margin-top:24px;font-size:14px;color:rgba(245,246,243,.72)}
.article-meta span{display:inline-flex;align-items:center;gap:8px}
.article-meta i{color:var(--accent)}
@media (max-width:768px){.page-banner{padding:44px 0 52px}.breadcrumb-nav{margin-bottom:16px}}

/* ---------- 文章布局 ---------- */
.article-wrap{padding:72px 0 88px;background:var(--paper)}
.article-layout{display:grid;gap:48px}
.article-main{min-width:0}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 330px;gap:64px;align-items:start}
  .article-main{grid-column:1;grid-row:1}
  .article-side{grid-column:2;grid-row:1}
}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:28px;
}
.article-card{padding:36px 40px 44px}
@media (max-width:768px){.article-card{padding:24px 20px 30px}}

/* 正文排版 */
.article-content{font-size:17.5px;line-height:1.9;color:#1a241d;max-width:100%}
.article-content > * + *{margin-top:1.15em}
.article-content p{color:#223026}
.article-content > p:first-of-type{font-size:19px;color:var(--ink-2)}
.article-content > p:first-of-type::first-letter{
  float:left;font-size:52px;line-height:.92;font-weight:900;color:var(--ink);
  padding:4px 12px 0 0;
}
.article-content h2{
  position:relative;font-size:25px;font-weight:800;margin-top:2em;padding-left:16px;color:var(--ink);
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.18em;width:5px;height:1.05em;border-radius:999px;background:var(--accent);
}
.article-content h3{font-size:19.5px;font-weight:800;margin-top:1.7em;color:var(--ink)}
.article-content ul,.article-content ol{margin-top:1em;padding-left:0}
.article-content ul li,.article-content ol li{position:relative;padding-left:26px;margin-bottom:.6em;color:#223026}
.article-content ul li::before{
  content:"";position:absolute;left:8px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--accent);
}
.article-content ol{counter-reset:li}
.article-content ol li{counter-increment:li}
.article-content ol li::before{
  content:counter(li);position:absolute;left:0;top:.12em;
  font-size:13px;font-weight:800;color:var(--ink);
  width:20px;height:20px;border-radius:6px;background:var(--paper-2);
  display:flex;align-items:center;justify-content:center;
}
.article-content blockquote{
  margin:1.6em 0;padding:20px 24px;border-left:3px solid var(--accent);
  background:var(--paper-2);border-radius:0 var(--radius-card) var(--radius-card) 0;
  color:var(--ink-2);font-size:17px;
}
.article-content img{border-radius:var(--radius-img);margin:1.4em 0;width:100%}
.article-content figure{margin:1.6em 0}
.article-content figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:10px}
.article-content table{width:100%;display:block;overflow-x:auto;border-collapse:collapse;margin:1.6em 0;font-size:15.5px}
.article-content th,.article-content td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.article-content th{background:var(--paper-2);font-weight:800;color:var(--ink)}
.article-content pre{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-content code{background:var(--paper-2);padding:2px 6px;border-radius:6px;font-size:.92em}
.article-content pre code{background:none;padding:0}
.article-content a{color:var(--ink);border-bottom:1px solid var(--accent);font-weight:600}
.article-content a:hover{color:var(--accent-deep)}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state i{font-size:34px;color:var(--muted);margin-bottom:16px;display:block}
.empty-state h3{font-size:21px;margin-bottom:10px}
.empty-state p{color:var(--muted);margin-bottom:22px}

/* 上下篇 */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:40px}
.pager a{
  display:block;padding:20px 22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pager a:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(124,224,56,.6);color:var(--ink)}
.pager span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;letter-spacing:.04em}
.pager b{font-size:16px;font-weight:800;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pager .next{text-align:right}
@media (max-width:640px){.pager{grid-template-columns:1fr}.pager .next{text-align:left}}

/* 相关推荐 */
.related{margin-top:64px}
.related h2{font-size:23px;margin-bottom:26px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card-post{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card-post:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:rgba(124,224,56,.55)}
.card-post .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--paper-2)}
.card-post .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.card-post:hover .thumb img{transform:scale(1.04)}
.card-post .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-post h3{font-size:16.5px;font-weight:800;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-post:hover h3{color:var(--accent-deep)}
.card-post .desc{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-post .foot{margin-top:auto;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
@media (max-width:991px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.related-grid{grid-template-columns:1fr}}

/* 侧栏 */
.article-side{display:grid;gap:22px;align-content:start}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1)}
.side-card h3{font-size:16px;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:15px;border-radius:999px;background:var(--accent)}
.side-list li + li{border-top:1px solid var(--line)}
.side-list a{display:block;padding:12px 0;font-size:14.5px;font-weight:600;line-height:1.55}
.side-list a:hover{color:var(--accent-deep)}
.side-cta{background:var(--ink);color:var(--paper);border:1px solid var(--ink)}
.side-cta h3{color:var(--paper)}
.side-cta p{font-size:14px;color:rgba(245,246,243,.72);margin-bottom:18px;line-height:1.75}
.side-cta .btn-accent{width:100%}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a,.tag-cloud span{
  font-size:13px;padding:6px 13px;border-radius:999px;background:var(--paper-2);
  color:var(--ink-2);font-weight:600;border:1px solid transparent;transition:all .2s ease;
}
.tag-cloud a:hover{background:var(--accent);color:var(--ink);border-color:var(--accent)}
.side-sticky{position:sticky;top:96px}

/* ---------- FAQ ---------- */
.faq-section{background:var(--paper-2);padding:88px 0}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.accordion-button{
  background:transparent;color:var(--ink);font-weight:800;font-size:17.5px;
  padding:24px 46px 24px 18px;box-shadow:none;border-radius:0;position:relative;
}
.accordion-button:not(.collapsed){color:var(--ink);background:transparent}
.accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:26px;width:3px;height:20px;border-radius:999px;background:var(--accent);
}
.accordion-button::after{
  content:"";position:absolute;right:14px;width:12px;height:12px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .25s ease,border-color .25s ease;background:none;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--accent-deep)}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button:focus-visible{outline:2px solid var(--accent-deep);outline-offset:-2px}
.accordion-body{padding:0 46px 26px 18px;font-size:15.5px;color:var(--muted);line-height:1.85}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--ink);color:var(--paper);padding:72px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,224,56,.18),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,3vw,32px);color:#fff}
.cta-inner p{color:rgba(245,246,243,.74);margin-top:10px;max-width:56ch;font-size:15.5px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-ink{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.cta-band .btn-ink:hover{background:#fff;color:var(--ink)}
.cta-band .btn-ghost{border-color:rgba(245,246,243,.5);color:var(--paper)}
.cta-band .btn-ghost:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(245,246,243,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:44px;padding-bottom:52px}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text span{color:rgba(245,246,243,.5)}
.footer-brand .brand-mark{background:var(--paper)}
.footer-brand .brand-mark::after{background:linear-gradient(135deg,var(--accent),#2f6b12)}
.footer-desc{font-size:14.5px;line-height:1.85;margin-top:18px;max-width:34ch}
.footer-social{display:flex;gap:12px;margin-top:22px}
.footer-social a{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(245,246,243,.08);color:var(--paper);border:1px solid rgba(245,246,243,.14);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.footer-social a:hover{background:var(--accent);color:var(--ink);transform:translateY(-2px)}
.footer-col h4{font-size:15px;color:#fff;font-weight:800;margin-bottom:20px}
.footer-col ul li{margin-bottom:12px;font-size:14.5px}
.footer-col ul li a{color:rgba(245,246,243,.72)}
.footer-col ul li a:hover{color:var(--accent)}
.footer-col ul li span{display:block;line-height:1.7}
.footer-col ul li b{color:var(--paper);font-weight:700}
.footer-bar{
  border-top:1px solid rgba(245,246,243,.12);padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(245,246,243,.55);
}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px}}
@media (max-width:576px){.footer-grid{grid-template-columns:1fr;gap:30px}.site-footer{padding-top:56px}}

/* 回到顶部 */
.to-top{
  position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:14px;
  background:var(--ink);color:var(--paper);border:1px solid var(--ink);
  display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:180;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,background .2s ease;
  box-shadow:var(--shadow-2);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--accent);color:var(--ink);border-color:var(--accent)}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.2,.8,.2,1),transform .48s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}

/* roulang page: category1 */
:root{
  --ink:#0F1B14;
  --ink-2:#1B2A21;
  --paper:#F5F6F3;
  --paper-2:#EAECE5;
  --line:#DDDFD8;
  --accent:#7CE038;
  --accent-deep:#3F8A1B;
  --warn:#FF7A2F;
  --muted:#6C756C;
  --white:#FFFFFF;
  --radius-card:14px;
  --radius-img:18px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(15,27,20,.04);
  --shadow-2:0 8px 24px rgba(15,27,20,.06);
  --shadow-3:0 16px 40px rgba(15,27,20,.10);
  --ease:cubic-bezier(.2,.8,.2,1);
}

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

html{scroll-behavior:smooth;scroll-padding-top:104px;}

body{
  margin:0;
  font-family:"Noto Sans SC",system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--accent-deep);}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.15;color:var(--ink);}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;}

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

/* ===== 通用按钮 ===== */
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:var(--ink);
  font-weight:700;font-size:15.5px;line-height:1;
  padding:15px 26px;border:1px solid transparent;border-radius:var(--radius-btn);
  cursor:pointer;transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-accent:hover{background:#69C92E;color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-accent:active{transform:translateY(0);}
.btn-accent:disabled{background:var(--line);color:var(--muted);cursor:not-allowed;transform:none;box-shadow:none;}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--ink);
  font-weight:700;font-size:15.5px;line-height:1;
  padding:14px 26px;border:1px solid var(--ink);border-radius:var(--radius-btn);
  cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}

.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:rgba(255,255,255,.06);color:#fff;
  font-weight:700;font-size:15.5px;line-height:1;
  padding:14px 26px;border:1px solid rgba(255,255,255,.45);border-radius:var(--radius-btn);
  cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}

.btn-accent.btn-sm{padding:10px 18px;font-size:14px;}

.link-underline{position:relative;display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--ink);}
.link-underline::after{
  content:"";position:absolute;left:0;bottom:-3px;height:2px;width:100%;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.link-underline:hover{color:var(--ink);}
.link-underline:hover::after{transform:scaleX(1);}

/* ===== 徽章 / 标签 ===== */
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(124,224,56,.18);color:var(--ink);
  font-size:13.5px;font-weight:700;letter-spacing:.02em;
}
.pill-warn{background:rgba(255,122,47,.14);color:#B44A0E;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;
  background:var(--paper-2);color:var(--ink-2);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(245,246,243,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-scrolled{
  background:var(--paper);
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-2);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:76px;transition:height .28s var(--ease);
}
.site-header.is-scrolled .nav-inner{height:66px;}

.brand{display:inline-flex;align-items:center;gap:12px;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;position:relative;flex:0 0 auto;
  background:linear-gradient(150deg,var(--ink),var(--ink-2));
  box-shadow:inset 0 0 0 1px rgba(124,224,56,.4);
}
.brand-mark::after{
  content:"";position:absolute;left:9px;top:9px;width:9px;height:9px;border-radius:3px;background:var(--accent);
}
.brand-mark::before{
  content:"";position:absolute;right:9px;bottom:9px;width:9px;height:9px;border-radius:3px;
  background:rgba(124,224,56,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text b{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.brand-text span{
  font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:600;
}

.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  padding:9px 15px;border-radius:999px;
  font-size:15px;font-weight:600;color:#3A453D;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-links a:hover{background:var(--paper-2);color:var(--ink);}
.nav-links a.active{background:rgba(124,224,56,.2);color:var(--ink);font-weight:700;}
.nav-links .drawer-cta{display:none;}

.nav-right{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:var(--white);cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.24s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media (max-width:991.98px){
  .nav-toggle{display:flex;}
  .nav-links{
    position:fixed;inset:0;z-index:1040;
    flex-direction:column;align-items:flex-start;justify-content:center;
    gap:6px;padding:96px 32px 140px;
    background:var(--ink);
    opacity:0;visibility:hidden;transform:translateY(-14px);
    transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:none;}
  .nav-links a{
    color:#E7EDE7;font-size:26px;font-weight:800;letter-spacing:-.01em;
    padding:12px 0;border-radius:0;width:100%;
  }
  .nav-links a:hover{background:transparent;color:var(--accent);}
  .nav-links a.active{background:transparent;color:var(--accent);}
  .nav-links .drawer-cta{
    display:inline-flex;margin-top:28px;width:auto;
    padding:15px 28px;border-radius:var(--radius-btn);
    background:var(--accent);color:var(--ink);font-size:16px;font-weight:700;
  }
  .nav-links .drawer-cta:hover{color:var(--ink);background:#69C92E;}
  .nav-right .btn-accent{display:none;}
  .nav-toggle{position:relative;z-index:1050;}
  .site-header:has(.nav-links.is-open){background:transparent;border-bottom-color:transparent;box-shadow:none;}
  .site-header:has(.nav-links.is-open) .brand-text b,
  .site-header:has(.nav-links.is-open) .brand-text span{color:#fff;}
  .site-header:has(.nav-links.is-open) .nav-toggle span{background:#fff;}
  .site-header:has(.nav-links.is-open) .nav-toggle{border-color:rgba(255,255,255,.3);background:transparent;}
}

/* ===== 分类横幅 ===== */
.page-hero{
  position:relative;overflow:hidden;
  padding:96px 0 76px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(15,27,20,.95) 0%,rgba(15,27,20,.86) 50%,rgba(15,27,20,.62) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:820px;}
.breadcrumb-nav{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13.5px;color:rgba(255,255,255,.68);margin-bottom:26px;
}
.breadcrumb-nav a{color:rgba(255,255,255,.68);}
.breadcrumb-nav a:hover{color:var(--accent);}
.breadcrumb-nav .sep{color:rgba(255,255,255,.35);}
.page-hero h1{
  color:#fff;
  font-size:clamp(32px,4.6vw,56px);
  font-weight:900;letter-spacing:-.03em;line-height:1.14;
  margin:18px 0 0;
}
.page-hero h1 em{
  font-style:normal;color:var(--accent);display:block;
}
.hero-lead{
  color:rgba(255,255,255,.82);
  font-size:17px;line-height:1.8;margin-top:20px;max-width:660px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}

/* ===== 信任条 ===== */
.trust-strip{background:var(--paper-2);border-bottom:1px solid var(--line);}
.trust-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--line);
}
.trust-item{
  background:var(--paper-2);
  padding:28px 24px;
  display:flex;flex-direction:column;gap:6px;
}
.trust-item .num{
  font-size:32px;font-weight:900;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;color:var(--ink);line-height:1;
}
.trust-item .num small{font-size:16px;font-weight:700;margin-left:2px;}
.trust-item .lbl{font-size:13.5px;color:var(--muted);letter-spacing:.02em;}
@media (max-width:767.98px){
  .trust-grid{grid-template-columns:repeat(2,1fr);}
}

/* ===== 主布局：左索引 + 右内容 ===== */
.layout-index{
  display:grid;grid-template-columns:262px minmax(0,1fr);
  gap:52px;padding:92px 0 96px;
}
.index-rail{position:sticky;top:104px;align-self:start;}
.index-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
}
.index-head{
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);margin-bottom:14px;
}
.index-list{display:flex;flex-direction:column;gap:2px;}
.index-link{
  display:block;padding:9px 12px;border-radius:9px;
  font-size:14.5px;font-weight:600;color:#4A544C;
  border-left:2px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.index-link:hover{background:var(--paper-2);color:var(--ink);}
.index-link.is-active{background:rgba(124,224,56,.16);color:var(--ink);border-left-color:var(--accent);font-weight:700;}
.index-cta{margin-top:20px;width:100%;}

@media (max-width:991.98px){
  .layout-index{grid-template-columns:1fr;gap:32px;padding:64px 0 72px;}
  .index-rail{position:static;}
  .index-card{padding:14px;border-radius:12px;}
  .index-head{display:none;}
  .index-list{flex-direction:row;gap:8px;overflow-x:auto;scrollbar-width:none;}
  .index-list::-webkit-scrollbar{display:none;}
  .index-link{
    white-space:nowrap;border-left:0;border:1px solid var(--line);
    border-radius:999px;padding:8px 16px;font-size:14px;
  }
  .index-link.is-active{border-color:transparent;background:rgba(124,224,56,.2);}
  .index-cta{margin-top:12px;}
}

/* ===== 内容区块 ===== */
.block + .block{margin-top:76px;}
.block-head{margin-bottom:28px;}
.block-head .eyebrow{
  display:block;font-size:12.5px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent-deep);margin-bottom:10px;
}
.block-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:900;letter-spacing:-.025em;}
.block-head p{color:var(--muted);font-size:15.5px;margin-top:12px;max-width:680px;}

/* 主通道图文块 */
.channel-lead{
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:0;overflow:hidden;
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
}
.channel-lead-text{padding:34px 32px;}
.channel-lead-text h3{font-size:22px;font-weight:800;margin-bottom:12px;}
.channel-lead-text p{color:#4A544C;font-size:15.5px;}
.channel-lead-media{position:relative;min-height:280px;}
.channel-lead-media img{width:100%;height:100%;object-fit:cover;}
.channel-lead-media .badge-float{
  position:absolute;left:18px;top:18px;
  background:rgba(15,27,20,.86);color:#fff;
  padding:7px 14px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
@media (max-width:767.98px){
  .channel-lead{grid-template-columns:1fr;}
  .channel-lead-media{min-height:200px;order:-1;}
  .channel-lead-text{padding:26px 22px;}
}

/* 通道行式列表 */
.channel-rows{margin-top:18px;display:flex;flex-direction:column;gap:14px;}
.channel-row{
  display:grid;grid-template-columns:54px minmax(0,1fr) auto;
  gap:20px;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.channel-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(124,224,56,.6);}
.channel-row .ico{
  width:54px;height:54px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--paper-2);color:var(--ink);font-size:19px;
}
.channel-row h3{font-size:17.5px;font-weight:800;margin-bottom:6px;}
.channel-row p{font-size:14.5px;color:var(--muted);line-height:1.7;}
.channel-row .row-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.channel-row .row-cta{white-space:nowrap;}
@media (max-width:767.98px){
  .channel-row{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:20px 18px;}
  .channel-row .ico{width:44px;height:44px;border-radius:12px;font-size:16px;}
  .channel-row .row-cta{grid-column:1 / -1;}
}

/* 流程时间线 */
.flow{
  display:grid;grid-template-columns:repeat(5,minmax(0,1fr));
  gap:18px;
}
.flow-step{
  position:relative;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px 24px;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.flow-step::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:3px;
  background:var(--paper-2);border-radius:0 0 3px 3px;
}
.flow-step:nth-child(1)::before{background:var(--accent);}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.flow-step .step-no{
  font-size:30px;font-weight:900;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;color:var(--ink);line-height:1;margin-bottom:14px;
}
.flow-step h3{font-size:16px;font-weight:800;margin-bottom:8px;}
.flow-step p{font-size:14px;color:var(--muted);line-height:1.72;}
@media (max-width:1199.98px){
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:575.98px){
  .flow{grid-template-columns:1fr;}
}

/* 对照表 */
.table-scroll{
  overflow-x:auto;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);-webkit-overflow-scrolling:touch;
}
.cmp-table{
  width:100%;min-width:760px;border-collapse:collapse;font-size:15px;
}
.cmp-table thead th{
  position:sticky;top:0;z-index:2;
  background:var(--paper-2);color:var(--ink);
  font-size:14px;font-weight:800;letter-spacing:.01em;
  text-align:left;padding:18px 20px;white-space:nowrap;
  border-bottom:1px solid var(--line);
}
.cmp-table tbody th{
  position:sticky;left:0;z-index:1;
  background:var(--white);
  text-align:left;font-weight:700;font-size:14.5px;color:var(--ink);
  padding:18px 20px;border-bottom:1px solid var(--line);white-space:nowrap;
  box-shadow:1px 0 0 var(--line);
}
.cmp-table tbody td{
  padding:18px 20px;border-bottom:1px solid var(--line);
  color:#404A42;font-size:14.5px;vertical-align:top;
}
.cmp-table tbody tr:last-child th,
.cmp-table tbody tr:last-child td{border-bottom:0;}
.cmp-table tbody tr{transition:background .18s var(--ease);}
.cmp-table tbody tr:hover th,
.cmp-table tbody tr:hover td{background:#F2F5EF;}
.cmp-table .mark{color:var(--accent-deep);font-weight:700;}

/* 校验区块 */
.check-wrap{
  display:grid;grid-template-columns:1fr .92fr;gap:40px;align-items:center;
}
.check-list{display:flex;flex-direction:column;gap:16px;margin-top:24px;}
.check-item{display:flex;gap:14px;align-items:flex-start;}
.check-item .dot{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;margin-top:3px;
  background:rgba(124,224,56,.22);color:var(--accent-deep);
  display:flex;align-items:center;justify-content:center;font-size:12px;
}
.check-item h4{font-size:16px;font-weight:800;margin-bottom:5px;}
.check-item p{font-size:14.5px;color:var(--muted);line-height:1.72;}
.check-media img{border-radius:var(--radius-img);box-shadow:var(--shadow-2);width:100%;}
@media (max-width:991.98px){
  .check-wrap{grid-template-columns:1fr;gap:30px;}
}

/* 提示条 */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  background:rgba(255,122,47,.09);
  border:1px solid rgba(255,122,47,.32);
  border-left:3px solid var(--warn);
  border-radius:12px;padding:20px 22px;margin-top:28px;
}
.notice i{color:var(--warn);font-size:16px;margin-top:5px;}
.notice h4{font-size:15.5px;font-weight:800;margin-bottom:6px;color:#8F3B0A;}
.notice p{font-size:14.5px;color:#6E4A32;line-height:1.75;}

/* FAQ */
.faq{border-top:1px solid var(--line);}
.faq .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);
}
.faq .accordion-button{
  position:relative;width:100%;
  background:transparent;color:var(--ink);
  font-size:17px;font-weight:700;letter-spacing:-.01em;
  padding:24px 48px 24px 18px;
  box-shadow:none;border-radius:0;
  transition:color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq .accordion-button:focus{box-shadow:none;outline:none;}
.faq .accordion-button:focus-visible{outline:2px solid var(--ink);outline-offset:-2px;}
.faq .accordion-button:not(.collapsed){
  color:var(--accent-deep);
  box-shadow:inset 2px 0 0 var(--accent);
  background:transparent;
}
.faq .accordion-button::after{
  content:"";position:absolute;right:14px;top:50%;
  width:14px;height:2px;margin:0;padding:0;border:0;
  background-color:var(--ink);background-image:none;border-radius:2px;
  transform:translateY(-50%) rotate(0deg);
  transition:transform .24s var(--ease),background-color .2s var(--ease);
}
.faq .accordion-button::before{
  content:"";position:absolute;right:14px;top:50%;
  width:14px;height:2px;border-radius:2px;background-color:var(--ink);
  transform:translateY(-50%) rotate(90deg);
  transition:transform .24s var(--ease),opacity .24s var(--ease),background-color .2s var(--ease);
}
.faq .accordion-button:not(.collapsed)::before{opacity:0;transform:translateY(-50%) rotate(0deg);}
.faq .accordion-button:not(.collapsed)::after{background-color:var(--accent-deep);}
.faq .accordion-body{
  padding:0 48px 26px 18px;
  font-size:15.5px;color:#4A544C;line-height:1.85;
}

/* 转化 CTA 条 */
.cta-band{
  margin-top:0;
  background:var(--ink);
  position:relative;overflow:hidden;
  padding:72px 0;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-80px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,224,56,.22) 0%,rgba(124,224,56,0) 68%);
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
}
.cta-inner h2{color:#fff;font-size:clamp(24px,3vw,34px);font-weight:900;letter-spacing:-.025em;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15.5px;margin-top:12px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* 咨询表单 */
.consult{padding:92px 0 96px;}
.consult-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;}
.consult-aside h2{font-size:clamp(24px,2.8vw,32px);font-weight:900;letter-spacing:-.025em;}
.consult-aside p{color:var(--muted);font-size:15.5px;margin-top:14px;}
.consult-points{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.consult-points li{
  display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:#404A42;
}
.consult-points i{color:var(--accent-deep);margin-top:6px;font-size:13px;}
.consult-card{
  background:var(--white);border:1px solid var(--line);border-radius:16px;
  padding:32px;box-shadow:var(--shadow-2);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-group{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.form-group label{font-size:14px;font-weight:700;color:var(--ink);}
.form-group label .req{color:var(--warn);margin-left:2px;}
.form-control,.form-select{
  width:100%;background:var(--white);color:var(--ink);
  border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:13px 16px;font-size:15px;line-height:1.5;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  appearance:none;
}
.form-select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 16 16'%3E%3Cpath fill='%230F1B14' d='M8 11.5 2.5 6h11z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;padding-right:42px;
}
.form-control:focus,.form-select:focus{
  outline:none;border-color:var(--ink);
  box-shadow:inset 0 0 0 1px var(--accent);
}
textarea.form-control{min-height:118px;resize:vertical;}
.form-control.is-invalid,.form-select.is-invalid{
  border-color:#D2452B;box-shadow:inset 0 0 0 1px rgba(210,69,43,.25);
}
.err-text{font-size:13px;color:#C13B22;display:none;}
.err-text.show{display:block;}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#4A544C;}
.check-line input{
  width:18px;height:18px;margin-top:4px;accent-color:var(--accent-deep);flex:0 0 auto;
}
.alert-soft{
  display:none;align-items:center;gap:10px;
  border-radius:12px;padding:14px 18px;font-size:14.5px;font-weight:600;margin-bottom:18px;
}
.alert-soft.show{display:flex;}
.alert-ok{background:rgba(124,224,56,.16);color:#2F6B10;border:1px solid rgba(124,224,56,.45);}
.alert-err{background:rgba(210,69,43,.09);color:#9B2E18;border:1px solid rgba(210,69,43,.3);}
@media (max-width:991.98px){
  .consult-grid{grid-template-columns:1fr;gap:32px;}
  .consult-card{padding:24px;}
}
@media (max-width:575.98px){
  .form-row{grid-template-columns:1fr;gap:0;}
}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:#B9C2BA;padding:76px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.45fr 1fr 1fr 1.2fr;gap:44px;
  padding-bottom:52px;
}
.site-footer .brand-text b{color:#fff;}
.site-footer .brand-text span{color:rgba(255,255,255,.45);}
.footer-desc{
  font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62);
  margin-top:20px;max-width:320px;
}
.footer-social{display:flex;gap:10px;margin-top:22px;}
.footer-social a{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);color:rgba(255,255,255,.8);font-size:15px;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{background:var(--accent);color:var(--ink);transform:translateY(-2px);}
.footer-col h4{
  font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:#fff;margin-bottom:20px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col span{font-size:14.5px;color:rgba(255,255,255,.62);line-height:1.7;}
.footer-col a:hover{color:var(--accent);}
.footer-col b{color:rgba(255,255,255,.9);font-weight:600;}
.footer-bar{
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.48);
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{padding-top:56px;}
}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:26px;z-index:1020;
  width:46px;height:46px;border-radius:14px;border:1px solid var(--line);
  background:var(--white);color:var(--ink);font-size:15px;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s,background .2s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--accent);border-color:transparent;}
@media (max-width:575.98px){
  .to-top{right:16px;bottom:18px;width:42px;height:42px;}
}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.in{
  opacity:1;transform:none;
  transition:opacity .48s var(--ease),transform .48s var(--ease);
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal,.reveal.in{opacity:1;transform:none;transition:none;}
  *{animation:none !important;transition-duration:.01ms !important;}
}

/* roulang page: category3 */
:root{
  --ink:#0F1B14;
  --ink-2:#1B2A21;
  --paper:#F5F6F3;
  --paper-2:#EAECE5;
  --line:#DDDFD8;
  --accent:#7CE038;
  --accent-deep:#63C728;
  --warn:#FF7A2F;
  --muted:#6C756C;
  --white:#FFFFFF;
  --radius-card:14px;
  --radius-img:18px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(15,27,20,.04);
  --shadow-2:0 8px 24px rgba(15,27,20,.06);
  --shadow-3:0 16px 40px rgba(15,27,20,.10);
  --ease:cubic-bezier(.2,.8,.2,1);
  --bs-font-sans-serif:"Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --bs-body-font-family:var(--bs-font-sans-serif);
  --bs-body-bg:var(--paper);
  --bs-body-color:var(--ink);
  --bs-border-color:var(--line);
  --bs-link-color:var(--ink);
  --bs-link-hover-color:var(--ink-2);
  --bs-primary:var(--ink);
  --bs-border-radius:var(--radius-btn);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--bs-font-sans-serif);
  font-size:17px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease)}
a:hover{color:var(--ink-2)}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.18;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1440px){.container{max-width:1280px}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(245,246,243,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{background:var(--paper);border-bottom-color:var(--line);box-shadow:var(--shadow-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px;transition:min-height .25s var(--ease)}
.site-header.is-scrolled .nav-inner{min-height:64px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{position:relative;display:block;width:34px;height:34px;border-radius:10px;background:var(--ink);flex:0 0 34px}
.brand-mark::after{content:"";position:absolute;inset:9px;border-radius:4px;background:var(--accent)}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text b{font-size:17px;font-weight:900;letter-spacing:-.02em;color:var(--ink)}
.brand-text span{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links > a{position:relative;padding:9px 15px;border-radius:var(--radius-pill);font-size:15px;font-weight:500;color:#3B463C}
.nav-links > a:hover{background:var(--paper-2);color:var(--ink)}
.nav-links > a.active{background:var(--paper-2);color:var(--ink);font-weight:700}
.nav-links > a.active::after{content:"";position:absolute;left:50%;bottom:2px;width:16px;height:3px;border-radius:2px;background:var(--accent);transform:translateX(-50%)}
.drawer-cta{display:none}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:var(--white);padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s var(--ease),opacity .25s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn-accent,.btn-ghost,.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all .2s var(--ease);line-height:1.2;
}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#12210F}
.btn-accent:hover{background:var(--accent-deep);border-color:var(--accent-deep);color:#0F1B14;transform:translateY(-2px);box-shadow:0 10px 24px rgba(99,199,40,.28)}
.btn-accent:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--white);transform:translateY(-2px)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost-light:hover{background:#fff;border-color:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;position:relative}
.link-arrow i{transition:transform .2s var(--ease)}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- banner ---------- */
.cat-banner{position:relative;overflow:hidden;background:var(--ink);padding:44px 0 70px}
.cat-banner-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32}
.cat-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(15,27,20,.7) 0%,rgba(15,27,20,.94) 78%)}
.cat-banner-inner{position:relative;z-index:2;color:#fff}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:26px}
.crumb a{color:rgba(255,255,255,.62)}
.crumb a:hover{color:var(--accent)}
.crumb em{font-style:normal;color:#fff;font-weight:600}
.pill-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:var(--radius-pill);background:rgba(124,224,56,.14);border:1px solid rgba(124,224,56,.4);color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.02em}
.cat-banner h1{color:#fff;font-size:clamp(30px,4.3vw,50px);font-weight:900;max-width:20em;margin:20px 0 16px}
.cat-banner .lead{max-width:44em;color:rgba(255,255,255,.78);font-size:17px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.banner-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:46px;padding-top:30px;border-top:1px solid rgba(255,255,255,.14)}
.banner-stats .stat b{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:900;color:var(--accent);letter-spacing:-.02em}
.banner-stats .stat span{display:block;margin-top:6px;font-size:13.5px;color:rgba(255,255,255,.66)}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{background:var(--paper-2)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:14px}
.sec-head h2{font-size:clamp(24px,3vw,36px)}
.sec-head p{margin-top:14px;color:var(--muted)}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- layout with side card ---------- */
.two-col{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(0,1fr);gap:40px;align-items:start}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:0}
.timeline::before{content:"";position:absolute;left:31px;top:14px;bottom:14px;width:2px;background:linear-gradient(180deg,var(--accent),var(--line))}
.tl-item{position:relative;display:flex;gap:26px;padding:0 0 26px}
.tl-item:last-child{padding-bottom:0}
.tl-num{position:relative;z-index:2;flex:0 0 64px;width:64px;height:64px;border-radius:var(--radius-card);background:var(--ink);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:19px;letter-spacing:-.02em;box-shadow:var(--shadow-2)}
.tl-item:first-child .tl-num{background:var(--accent);color:#12210F}
.tl-card{flex:1;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 26px;box-shadow:var(--shadow-1);transition:all .22s var(--ease)}
.tl-card:hover{border-color:rgba(124,224,56,.55);box-shadow:var(--shadow-2);transform:translateY(-3px)}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--radius-pill);background:var(--paper-2);color:#43503F;font-size:12.5px;font-weight:700}
.chip-warn{background:rgba(255,122,47,.12);color:#C2521B}
.chip-accent{background:rgba(124,224,56,.16);color:#3E7A18}
.tl-card h3{font-size:19px;margin-bottom:10px}
.tl-card p{color:#404B41;font-size:15.5px}
.tl-list{margin-top:14px;display:grid;gap:8px}
.tl-list li{position:relative;padding-left:20px;font-size:15px;color:#4A5549}
.tl-list li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:var(--accent)}

/* ---------- side consult card ---------- */
.side-sticky{position:sticky;top:96px;display:grid;gap:20px}
.side-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-img);padding:26px;box-shadow:var(--shadow-2)}
.side-card.dark{background:var(--ink);border-color:var(--ink);color:#fff}
.side-card.dark h3{color:#fff}
.side-card h3{font-size:19px;margin-bottom:10px}
.side-card p{font-size:15px;color:var(--muted)}
.side-card.dark p{color:rgba(255,255,255,.72)}
.side-list{display:grid;gap:12px;margin:18px 0 20px}
.side-list li{display:flex;gap:10px;font-size:15px;color:#43503F}
.side-list li i{color:var(--accent-deep);margin-top:5px;font-size:13px}
.side-card.dark .side-list li{color:rgba(255,255,255,.8)}
.side-card.dark .side-list li i{color:var(--accent)}
.side-note{margin-top:14px;font-size:13px;color:var(--muted);border-top:1px dashed var(--line);padding-top:14px}
.side-card.dark .side-note{color:rgba(255,255,255,.6);border-top-color:rgba(255,255,255,.16)}
.side-cover{border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line)}
.side-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ---------- info grid cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.info-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:all .22s var(--ease)}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:rgba(124,224,56,.5)}
.info-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.info-card-body{padding:24px 26px 26px}
.info-card-body h3{font-size:19px;margin-bottom:10px;transition:color .2s var(--ease)}
.info-card:hover h3{color:#3E7A18}
.info-card-body p{font-size:15.5px;color:var(--muted)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}

/* ---------- asym scene grid ---------- */
.scene-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
.scene-main{background:var(--ink);color:#fff;border-radius:var(--radius-img);padding:38px;display:flex;flex-direction:column;justify-content:space-between;min-height:340px}
.scene-main h3{color:#fff;font-size:clamp(22px,2.4vw,28px);max-width:16em}
.scene-main p{color:rgba(255,255,255,.74);margin-top:14px;font-size:15.5px}
.scene-main .scene-fig{font-size:52px;font-weight:900;color:var(--accent);letter-spacing:-.03em;line-height:1;margin-bottom:18px}
.scene-side{display:grid;gap:24px}
.scene-mini{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-img);padding:26px;box-shadow:var(--shadow-1);transition:all .22s var(--ease)}
.scene-mini:hover{border-color:rgba(124,224,56,.5);box-shadow:var(--shadow-2);transform:translateY(-3px)}
.scene-mini h4{font-size:17px;margin-bottom:8px}
.scene-mini p{font-size:15px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{width:100%;background:none;border:0;text-align:left;padding:24px 44px 24px 0;position:relative;font-size:17px;font-weight:700;color:var(--ink);cursor:pointer;transition:color .2s var(--ease)}
.faq-q:hover{color:#3E7A18}
.faq-q::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--muted);transition:transform .25s var(--ease),color .2s var(--ease)}
.faq-item.open .faq-q{color:#3E7A18}
.faq-item.open .faq-q::after{content:"\f068";color:#3E7A18}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{padding:0 44px 24px 18px;border-left:2px solid var(--accent);color:#4A5549;font-size:15.5px}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:#fff;border-radius:var(--radius-img);padding:52px 48px;position:relative;overflow:hidden;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band::before{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(124,224,56,.22),transparent 68%)}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);position:relative;z-index:1}
.cta-band p{color:rgba(255,255,255,.72);margin-top:12px;max-width:36em;position:relative;z-index:1}
.cta-band .cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:96px;padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text span{color:rgba(255,255,255,.45)}
.footer-brand .brand-mark{background:var(--accent)}
.footer-brand .brand-mark::after{background:var(--ink)}
.footer-desc{margin-top:18px;font-size:15px;color:rgba(255,255,255,.62);max-width:34em}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.78);font-size:14px}
.footer-social a:hover{background:var(--accent);border-color:var(--accent);color:var(--ink);transform:translateY(-2px)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:20px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:12px}
.footer-col li{font-size:14.5px;color:rgba(255,255,255,.62)}
.footer-col a{color:rgba(255,255,255,.62);font-size:14.5px}
.footer-col a:hover{color:var(--accent)}
.footer-col b{color:#fff;font-weight:600}
.footer-bar{border-top:1px solid rgba(255,255,255,.12);padding:24px 0 34px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.5)}

/* ---------- back to top ---------- */
.to-top{position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:14px;background:var(--ink);color:#fff;border:1px solid rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s var(--ease);z-index:1040}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--accent);color:var(--ink);border-color:var(--accent)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.in{opacity:1;transform:none;transition:opacity .48s var(--ease),transform .48s var(--ease)}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  *{transition:none !important;animation:none !important}
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .side-sticky{position:static}
  .two-col{grid-template-columns:1fr;gap:44px}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .banner-stats{grid-template-columns:repeat(2,1fr);gap:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .scene-grid{grid-template-columns:1fr}
  .nav-toggle{display:flex}
  .nav-right .btn-accent{display:none}
  .nav-links{
    position:fixed;inset:0;z-index:1050;
    flex-direction:column;align-items:flex-start;justify-content:flex-start;
    gap:6px;padding:110px 32px 40px;
    background:var(--ink);
    transform:translateY(-100%);opacity:0;visibility:hidden;
    transition:transform .32s var(--ease),opacity .32s var(--ease),visibility .32s var(--ease);
  }
  .nav-links.open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-links > a{width:100%;font-size:22px;font-weight:700;color:#fff;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1);border-radius:0}
  .nav-links > a:hover{background:transparent;color:var(--accent)}
  .nav-links > a.active{background:transparent;color:var(--accent)}
  .nav-links > a.active::after{display:none}
  .drawer-cta{display:inline-flex;margin-top:28px;padding:14px 26px;border-radius:var(--radius-btn);background:var(--accent);color:#12210F;font-weight:800;font-size:16px;border-bottom:0}
  .nav-toggle{position:relative;z-index:1060}
  .nav-toggle.is-open span{background:var(--accent)}
  .nav-toggle.is-open{border-color:rgba(255,255,255,.25);background:transparent}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .cat-banner{padding:30px 0 56px}
  .banner-stats{grid-template-columns:1fr 1fr;margin-top:36px;padding-top:24px}
  .card-grid{grid-template-columns:1fr}
  .cta-band{padding:36px 26px}
  .scene-main{padding:28px;min-height:0}
  .timeline::before{left:23px}
  .tl-item{gap:16px}
  .tl-num{flex:0 0 48px;width:48px;height:48px;font-size:16px;border-radius:12px}
  .tl-card{padding:20px}
  .site-footer{margin-top:64px;padding-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bar{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:18px}
}
@media (max-width:519.98px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-accent,.hero-actions .btn-ghost-light{width:100%}
  .banner-stats{grid-template-columns:1fr}
  .sec-head h2{font-size:23px}
  .cat-banner h1{font-size:27px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn-accent{width:100%}
}

/* roulang page: category2 */
:root{
  --ink:#0F1B14;
  --ink-2:#1B2A21;
  --paper:#F5F6F3;
  --paper-2:#EAECE5;
  --line:#DDDFD8;
  --accent:#7CE038;
  --accent-deep:#4F9E18;
  --accent-soft:rgba(124,224,56,.18);
  --warn:#FF7A2F;
  --muted:#6C756C;
  --white:#FFFFFF;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --pill:999px;
  --sh-1:0 1px 2px rgba(15,27,20,.04);
  --sh-2:0 8px 24px rgba(15,27,20,.06);
  --sh-3:0 16px 40px rgba(15,27,20,.10);
  --ease:cubic-bezier(.2,.8,.2,1);
  --header-h:72px;
  --bs-body-font-family:inherit;
  --bs-body-color:#1B2A21;
  --bs-body-bg:#F5F6F3;
  --bs-border-color:#DDDFD8;
  --bs-border-radius:14px;
  --bs-primary:#7CE038;
  --bs-link-color:#0F1B14;
  --bs-link-hover-color:#0F1B14;
  --bs-body-line-height:1.85;
  --bs-accordion-border-width:0;
  --bs-accordion-bg:transparent;
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-active-bg:transparent;
  --bs-accordion-active-color:#0F1B14;
  --bs-accordion-btn-color:#0F1B14;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:150px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{color:var(--ink);font-weight:800;letter-spacing:-.02em;line-height:1.15;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
button{font-family:inherit}
::selection{background:var(--accent);color:var(--ink)}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1440px){.container{max-width:1280px}}

.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:12px;top:12px;z-index:2000;background:#fff;padding:10px 16px;border-radius:10px;border:1px solid var(--line)}

/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(245,246,243,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:var(--header-h);
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:inherit;
  flex:0 0 auto;
}
.brand-mark{
  position:relative;
  width:36px;
  height:36px;
  border-radius:11px;
  background:var(--ink);
  flex:0 0 auto;
  overflow:hidden;
}
.brand-mark::before{
  content:"";
  position:absolute;
  left:9px;
  top:9px;
  width:18px;
  height:18px;
  border-radius:5px;
  background:var(--accent);
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:15px;
  top:15px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--ink);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text b{font-size:16px;font-weight:900;letter-spacing:-.02em;color:var(--ink)}
.brand-text span{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-links a{
  padding:9px 15px;
  border-radius:var(--pill);
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  transition:background .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.nav-links a:hover{background:var(--paper-2);color:var(--ink)}
.nav-links a.active{background:var(--ink);color:#fff;font-weight:700}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:14px}
.btn-accent{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:var(--accent);
  color:var(--ink);
  font-weight:700;
  font-size:15px;
  border:0;
  border-radius:var(--r-sm);
  padding:11px 20px;
  cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  box-shadow:var(--sh-1);
}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(0)}
.btn-accent:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.btn-accent.btn-sm{padding:9px 16px;font-size:14px}
.btn-accent.btn-block{width:100%;height:50px;font-size:16px}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:transparent;
  color:var(--ink);
  font-weight:700;
  font-size:15px;
  border:1px solid var(--ink);
  border-radius:var(--r-sm);
  padding:11px 22px;
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  padding:0;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
  position:relative;
  z-index:1050;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-toggle.is-open{background:#fff;border-color:#fff}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ hero ============ */
.cat-hero{
  position:relative;
  background:var(--ink);
  color:#fff;
  overflow:hidden;
  padding:46px 0 64px;
  border-radius:0 0 28px 28px;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.4;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(105deg,rgba(15,27,20,.95) 0%,rgba(15,27,20,.82) 50%,rgba(15,27,20,.55) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:26px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.75);border-bottom:1px solid transparent;transition:border-color .2s,color .2s}
.crumb a:hover{color:#fff;border-bottom-color:rgba(255,255,255,.5)}
.crumb .sep{opacity:.4}
.crumb .cur{color:rgba(255,255,255,.9)}
.cat-hero h1{
  color:#fff;
  font-size:clamp(34px,5vw,58px);
  font-weight:900;
  letter-spacing:-.03em;
  max-width:16em;
}
.hero-lead{
  margin-top:18px;
  font-size:clamp(16px,1.6vw,19px);
  color:rgba(255,255,255,.8);
  max-width:34em;
  line-height:1.8;
}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:18px 52px;
  margin-top:36px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.16);
}
.fact b{
  display:block;
  font-size:clamp(22px,2.4vw,28px);
  font-weight:900;
  color:#fff;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.fact span{display:block;font-size:13px;color:rgba(255,255,255,.62);margin-top:2px}
.fact b em{font-style:normal;font-size:14px;font-weight:700;color:var(--accent);margin-left:4px}

/* ============ anchor bar ============ */
.anchor-bar{
  position:sticky;
  top:var(--header-h);
  z-index:20;
  background:rgba(245,246,243,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  padding:14px 0;
}
.tab-track{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding-bottom:2px}
.tab-track::-webkit-scrollbar{display:none}
.tab-track a{
  flex:0 0 auto;
  padding:9px 18px;
  border-radius:var(--pill);
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.tab-track a:hover{border-color:var(--ink);color:var(--ink)}
.tab-track a.is-active{background:var(--ink);border-color:var(--ink);color:#fff}

/* ============ sections ============ */
.sec{padding:88px 0}
.sec--tight{padding:72px 0}
.sec--tint{background:var(--paper-2)}
.sec--dark{background:var(--ink);color:rgba(255,255,255,.72)}
.sec--dark h2,.sec--dark h3{color:#fff}
section[id]{scroll-margin-top:150px}

.group + .group{margin-top:76px}
.group-head{max-width:760px;margin-bottom:32px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:16px;height:2px;border-radius:2px;background:var(--accent)}
.group-head h2{font-size:clamp(25px,3.1vw,36px)}
.group-head p{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.85}

.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}

.g-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px;
  box-shadow:var(--sh-1);
  height:100%;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.g-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,27,20,.22)}
.g-card__icon{
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--ink);
  color:var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
  margin-bottom:18px;
}
.g-card h3{font-size:19px;margin-bottom:10px}
.g-card p{font-size:15px;color:var(--muted);line-height:1.8}
.g-card ul{margin-top:16px;display:grid;gap:9px}
.g-card ul li{
  position:relative;
  padding-left:22px;
  font-size:14px;
  color:var(--ink-2);
}
.g-card ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--accent);
}

/* ============ check list ============ */
.check-head{max-width:720px;margin-bottom:36px}
.check-head h2{font-size:clamp(25px,3.1vw,36px)}
.check-head p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.66);line-height:1.85}
.check-list{border-top:1px solid rgba(255,255,255,.14)}
.check-item{
  display:grid;
  grid-template-columns:76px minmax(0,1fr) auto;
  align-items:center;
  gap:24px;
  padding:24px 6px;
  border-bottom:1px solid rgba(255,255,255,.12);
  transition:background .2s var(--ease);
}
.check-item:hover{background:rgba(255,255,255,.04)}
.check-item .num{
  font-size:22px;
  font-weight:900;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.check-item .txt b{display:block;font-size:17px;font-weight:700;color:#fff;margin-bottom:4px}
.check-item .txt span{display:block;font-size:14px;color:rgba(255,255,255,.62);line-height:1.8}
.check-item .act{
  flex:0 0 auto;
  padding:6px 14px;
  border-radius:var(--pill);
  background:rgba(124,224,56,.14);
  color:var(--accent);
  font-size:13px;
  font-weight:700;
  white-space:nowrap;
}

/* ============ faq ============ */
.faq-wrap{max-width:900px}
.faq-wrap h2{font-size:clamp(25px,3.1vw,36px);margin-bottom:12px}
.faq-wrap .sub{color:var(--muted);font-size:16px;margin-bottom:28px}
.accordion{--bs-accordion-btn-padding-y:22px;--bs-accordion-btn-padding-x:44px 0 22px 0;}
.faq .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
  border-left:2px solid transparent;
  padding-left:18px;
  border-radius:0;
  transition:border-left-color .22s var(--ease);
}
.faq .accordion-item:has(.accordion-button:not(.collapsed)){border-left-color:var(--accent)}
.faq .accordion-button{
  background:transparent;
  box-shadow:none;
  padding:22px 44px 22px 0;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  line-height:1.6;
  border-radius:0;
}
.faq .accordion-button:not(.collapsed){color:var(--ink);background:transparent;box-shadow:none}
.faq .accordion-button::after{display:none}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--ink);outline-offset:2px}
.faq .chev{
  position:absolute;
  right:8px;
  top:50%;
  transform:translateY(-50%);
  font-size:13px;
  color:var(--muted);
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.faq .accordion-button:not(.collapsed) .chev{transform:translateY(-50%) rotate(180deg);color:var(--ink)}
.faq .accordion-body{
  padding:0 44px 24px 0;
  font-size:15px;
  color:var(--muted);
  line-height:1.9;
}
.faq .accordion-body b{color:var(--ink)}

/* ============ consult ============ */
.consult-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start}
.consult-left h2{font-size:clamp(25px,3.1vw,36px);margin-bottom:16px}
.consult-left > p{color:var(--muted);font-size:16px;line-height:1.9;max-width:32em}
.consult-points{margin-top:26px;display:grid;gap:0;border-top:1px solid var(--line)}
.consult-points li{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:15px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;
}
.consult-points li span{color:var(--muted)}
.consult-points li b{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums}
.consult-figure{margin-top:28px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.consult-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}

.consult-form{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:30px;
  box-shadow:var(--sh-2);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:8px}
.field .form-control,
.field .form-select{
  width:100%;
  height:48px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#fff;
  padding:0 14px;
  font-size:15px;
  color:var(--ink);
  box-shadow:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea.form-control{height:auto;min-height:118px;padding:12px 14px;line-height:1.75;resize:vertical}
.field .form-control:focus,
.field .form-select:focus{
  border-color:var(--ink);
  box-shadow:inset 0 0 0 1px var(--ink);
  outline:none;
}
.field .form-control.is-invalid,
.field .form-select.is-invalid{
  border-color:#D4442B;
  box-shadow:inset 0 0 0 1px #D4442B;
}
.field .hint{font-size:13px;color:#D4442B;margin-top:6px;display:none}
.field .hint.show{display:block}
.agree{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13px;
  color:var(--muted);
  line-height:1.7;
  margin:20px 0 22px;
  cursor:pointer;
}
.agree input{
  flex:0 0 auto;
  width:18px;
  height:18px;
  margin-top:3px;
  accent-color:var(--accent);
}
.form-note{
  margin-top:16px;
  font-size:14px;
  padding:12px 16px;
  border-radius:var(--r-sm);
  display:none;
}
.form-note.ok{display:block;background:var(--accent-soft);color:#2C5A0C;border:1px solid rgba(79,158,24,.35)}
.form-note.err{display:block;background:rgba(212,68,43,.08);color:#B3361F;border:1px solid rgba(212,68,43,.28)}

/* ============ footer ============ */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.7);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.3fr;
  gap:44px;
  padding-bottom:52px;
}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text span{color:rgba(255,255,255,.48)}
.footer-brand .brand-mark{background:rgba(255,255,255,.1)}
.footer-desc{margin-top:20px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:330px}
.footer-social{display:flex;gap:10px;margin-top:22px}
.footer-social a{
  width:38px;
  height:38px;
  border-radius:var(--pill);
  border:1px solid rgba(255,255,255,.16);
  display:flex;
  align-items:center;
  justify-content:center;
  color:rgba(255,255,255,.75);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.footer-social a:hover{background:var(--accent);border-color:var(--accent);color:var(--ink)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700;letter-spacing:-.01em}
.footer-col ul{display:grid;gap:12px}
.footer-col li{font-size:14px;line-height:1.7;color:rgba(255,255,255,.6)}
.footer-col a{color:rgba(255,255,255,.6);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-col b{color:rgba(255,255,255,.9);font-weight:600}
.footer-bar{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.45);
}

/* ============ back to top ============ */
.back-top{
  position:fixed;
  right:22px;
  bottom:24px;
  width:46px;
  height:46px;
  border-radius:var(--pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  box-shadow:var(--sh-2);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  opacity:0;
  pointer-events:none;
  transform:translateY(8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),background .2s var(--ease),color .2s var(--ease);
  z-index:900;
}
.back-top.is-on{opacity:1;pointer-events:auto;transform:none}
.back-top:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ============ reveal ============ */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.js .reveal.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ============ responsive ============ */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:36px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:991px){
  .container{padding-left:18px;padding-right:18px}
  .nav-links{
    position:fixed;
    inset:0;
    z-index:1040;
    margin:0;
    padding:96px 28px 60px;
    background:var(--ink);
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-start;
    gap:6px;
    opacity:0;
    transform:translateY(-10px);
    pointer-events:none;
    transition:opacity .28s var(--ease),transform .28s var(--ease);
    overflow-y:auto;
  }
  .nav-links.is-open{opacity:1;transform:none;pointer-events:auto}
  .nav-links a{
    width:100%;
    font-size:21px;
    font-weight:700;
    color:#fff;
    padding:16px 18px;
    border-radius:12px;
  }
  .nav-links a:hover{background:rgba(255,255,255,.08);color:#fff}
  .nav-links a.active{background:var(--accent);color:var(--ink)}
  .nav-toggle{display:flex}
  .nav-right .btn-accent{display:none}
  .nav-right{margin-left:auto}
  .sec{padding:72px 0}
  .cat-hero{border-radius:0 0 22px 22px;padding:36px 0 52px}
  .consult-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .footer-brand{grid-column:1 / -1}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:767px){
  .sec{padding:56px 0}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .group + .group{margin-top:56px}
  .check-item{grid-template-columns:48px minmax(0,1fr);gap:16px}
  .check-item .act{grid-column:2;justify-self:start}
  .check-item .num{font-size:18px}
  .hero-facts{gap:16px 32px}
  .consult-form{padding:22px}
  .anchor-bar{top:var(--header-h)}
}
@media (max-width:520px){
  .brand-text b{font-size:15px}
  .brand-text span{font-size:9px;letter-spacing:.16em}
  .footer-grid{grid-template-columns:1fr}
  .footer-bar{flex-direction:column;gap:8px}
  .cat-hero h1{font-size:30px}
  .check-item{gap:12px;padding:18px 4px}
  .faq .accordion-item{padding-left:12px}
  .faq .accordion-button{font-size:16px;padding-right:36px}
  .faq .accordion-body{padding-right:12px}
}