/* roulang page: index */
:root{
  --brand:#14D9B6;
  --brand-dark:#0E8F7A;
  --coral:#FF6B4A;
  --gold:#F5B642;
  --ink:#0B1F1A;
  --ink-soft:#12302A;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#172321;
  --muted:#5B6B66;
  --line:#DCE6E1;
  --ok:#2BB673;
  --warn:#E4572E;
  --radius-card:18px;
  --radius-btn:11px;
  --shadow-sm:0 8px 20px rgba(11,31,26,.06);
  --shadow:0 12px 30px rgba(11,31,26,.08);
  --shadow-lg:0 18px 40px rgba(11,31,26,.12);
  --container:1240px;
  --sec:96px;
  --font: "PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --font-num: "DIN Alternate","Barlow","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-dark);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--coral);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(20,217,182,.35);
  border-radius:8px;
}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--text);letter-spacing:-.01em;line-height:1.35;}
h1{font-size:clamp(32px,4.6vw,56px);font-weight:800;}
h2{font-size:clamp(26px,3.2vw,40px);font-weight:750;}
h3{font-size:clamp(19px,2vw,24px);font-weight:700;}
h4{font-size:18px;font-weight:700;}
p{margin:0 0 1em;color:var(--text);}
p.lead{font-size:18px;color:var(--muted);}
ul,ol{margin:0 0 1em;padding-left:1.15em;}
li{margin-bottom:.45em;}
::selection{background:rgba(20,217,182,.28);}

/* ============ 容器与栅格 ============ */
.grid-container{
  max-width:var(--container);
  padding-left:24px;
  padding-right:24px;
}
.grid-container.full-bleed{padding-left:0;padding-right:0;}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--ink);
  color:#CFE7E0;
  font-size:13.5px;
  line-height:1.6;
  min-height:40px;
  display:flex;
  align-items:center;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  width:100%;
  padding:6px 0;
}
.topbar-domain{
  font-family:var(--font-num);
  letter-spacing:.04em;
  color:var(--brand);
  font-weight:600;
  display:flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
}
.topbar-domain i{color:var(--brand);font-size:12px;}
.topbar-note{
  flex:1;
  text-align:center;
  color:#9FBFB7;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.topbar-actions{display:flex;align-items:center;gap:16px;white-space:nowrap;}
.topbar-actions a{color:#CFE7E0;}
.topbar-actions a:hover{color:var(--brand);}
.topbar-actions .strong-link{
  background:var(--brand);
  color:#062A22;
  font-weight:700;
  padding:4px 14px;
  border-radius:999px;
  line-height:1.5;
}
.topbar-actions .strong-link:hover{background:var(--coral);color:#fff;}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(246,244,239,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{
  box-shadow:0 10px 26px rgba(11,31,26,.10);
  background:rgba(255,255,255,.97);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:74px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:42px;height:42px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:repeat(3,1fr);
  gap:3px;
  padding:9px;
  box-shadow:0 8px 18px rgba(14,143,122,.28);
  flex-shrink:0;
}
.brand-mark span{background:rgba(255,255,255,.85);border-radius:2px;}
.brand-mark span:nth-child(5){background:var(--gold);}
.brand-text{display:flex;flex-direction:column;line-height:1.22;}
.brand-text b{
  font-size:16.5px;
  font-weight:800;
  color:var(--text);
  letter-spacing:.01em;
}
.brand-text i{
  font-style:normal;
  font-size:12.5px;
  font-weight:600;
  color:var(--brand-dark);
  letter-spacing:.16em;
}
.desktop-nav{display:flex;align-items:center;gap:6px;}
.desktop-nav a{
  position:relative;
  display:inline-block;
  padding:10px 16px;
  border-radius:10px;
  font-size:15.5px;
  font-weight:600;
  color:#2C3F3A;
}
.desktop-nav a:hover{background:rgba(20,217,182,.12);color:var(--brand-dark);}
.desktop-nav a.active{color:var(--brand-dark);background:rgba(20,217,182,.14);}
.desktop-nav a.active::after{
  content:"";
  position:absolute;
  left:16px;right:16px;bottom:4px;
  height:3px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--brand),var(--coral));
}
.nav-cta{display:flex;align-items:center;gap:12px;}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  font-size:18px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  transition:all .2s ease;
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand-dark);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--radius-btn);
  font-size:15.5px;
  font-weight:700;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .12s ease,box-shadow .22s ease;
  line-height:1.4;
  text-align:center;
}
.btn-primary{
  background:var(--brand);
  color:#062A22;
  box-shadow:0 10px 22px rgba(20,217,182,.28);
}
.btn-primary:hover{background:var(--coral);color:#fff;box-shadow:0 12px 26px rgba(255,107,74,.32);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:transparent;
  color:var(--brand-dark);
  border-color:var(--brand);
}
.btn-ghost:hover{background:var(--ink);color:var(--brand);border-color:var(--ink);}
.btn-ghost:active{transform:scale(.98);}
.btn-light{
  background:#fff;
  color:var(--ink);
  border-color:rgba(255,255,255,.6);
}
.btn-light:hover{background:var(--gold);color:#3A2600;border-color:var(--gold);}
.btn-sm{padding:9px 18px;font-size:14.5px;border-radius:10px;}
.btn-block{width:100%;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-weight:700;
  font-size:15px;
  color:var(--brand-dark);
}
.link-more i{transition:transform .22s ease;font-size:13px;}
.link-more:hover{color:var(--coral);}
.link-more:hover i{transform:translateX(4px);}

/* ============ 徽章与标签 ============ */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 16px;
  border-radius:999px;
  background:rgba(20,217,182,.18);
  border:1px solid rgba(20,217,182,.4);
  color:#0A4A3E;
  font-size:13.5px;
  font-weight:700;
  letter-spacing:.03em;
  margin-bottom:20px;
}
.eyebrow.on-dark{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.28);
  color:#D8FFF6;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  line-height:1.6;
}
.badge-soft{background:rgba(20,217,182,.14);color:var(--brand-dark);}
.badge-coral{background:rgba(255,107,74,.14);color:#C43A1C;}
.badge-gold{background:rgba(245,182,66,.2);color:#8A5B00;}
.badge-ink{background:var(--ink);color:#CFF6EB;}

/* ============ 区块通用 ============ */
.section{padding:var(--sec) 0;}
.section.tight{padding:64px 0;}
.section.alt{background:#fff;}
.section.dark{background:var(--ink);color:#D6EDE6;}
.section.dark h2,.section.dark h3,.section.dark h4{color:#fff;}
.section.dark p{color:#B7D3CB;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{position:relative;padding-left:20px;}
.section-head.center h2{padding-left:0;}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.18em;
  width:6px;height:.92em;
  border-radius:999px;
  background:linear-gradient(180deg,var(--brand),var(--coral));
}
.section-head.center h2::before{display:none;}
.section-head p{margin-bottom:0;color:var(--muted);font-size:17px;}

/* ============ Hero ============ */
.hero{
  position:relative;
  isolation:isolate;
  color:#fff;
  padding:96px 0 88px;
  overflow:hidden;
  background:var(--ink);
}
.hero-media{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.55;
  z-index:-2;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(11,31,26,.96) 0%,rgba(11,31,26,.86) 42%,rgba(11,31,26,.42) 72%,rgba(11,31,26,.7) 100%);
  z-index:-1;
}
.hero h1{color:#fff;margin-bottom:20px;max-width:16em;}
.hero-sub{
  color:#C7E3DB;
  font-size:18px;
  max-width:37em;
  margin-bottom:32px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:12px 26px;
  list-style:none;
  padding:0;
  margin:0;
  font-size:14.5px;
  color:#A9CEC4;
}
.hero-facts li{display:flex;align-items:center;gap:9px;margin:0;}
.hero-facts i{color:var(--brand);}
.hero-anchor{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:34px;
  font-size:14.5px;
  font-weight:700;
  color:var(--brand);
  border-bottom:1px dashed rgba(20,217,182,.55);
  padding-bottom:3px;
}
.hero-anchor:hover{color:var(--coral);border-color:var(--coral);}

.level-card{
  background:#fff;
  border-radius:20px;
  padding:28px 26px;
  box-shadow:0 24px 50px rgba(0,0,0,.32);
  color:var(--text);
  border:1px solid rgba(255,255,255,.5);
}
.level-card h3{font-size:19px;margin-bottom:6px;}
.level-card .lc-sub{font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.level-line{
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px 16px;
  border-radius:14px;
  border:1px solid var(--line);
  margin-bottom:12px;
  transition:all .22s ease;
}
.level-line:hover{border-color:var(--brand);box-shadow:var(--shadow-sm);transform:translateY(-2px);}
.level-line .lv-no{
  font-family:var(--font-num);
  font-size:20px;
  font-weight:800;
  width:44px;height:44px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.lv-1 .lv-no{background:rgba(20,217,182,.16);color:var(--brand-dark);}
.lv-2 .lv-no{background:rgba(245,182,66,.2);color:#8A5B00;}
.lv-3 .lv-no{background:rgba(255,107,74,.16);color:#C43A1C;}
.level-line .lv-txt{flex:1;}
.level-line .lv-txt strong{display:block;font-size:15.5px;font-weight:700;}
.level-line .lv-txt span{font-size:13px;color:var(--muted);}
.level-line .lv-arrow{color:var(--muted);font-size:13px;}
.level-card .lc-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed var(--line);
  font-size:13.5px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
}
.level-card .lc-foot i{color:var(--ok);}

/* ============ 权益对比表 ============ */
.table-shell{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.benefit-table{
  width:100%;
  border-collapse:collapse;
  margin:0;
  border:0;
}
.benefit-table caption{
  text-align:left;
  padding:20px 26px 0;
  font-size:14px;
  color:var(--muted);
}
.benefit-table thead th{
  background:var(--ink);
  color:#D8F6EE;
  font-size:15px;
  font-weight:700;
  text-align:left;
  padding:18px 22px;
  border:0;
  white-space:nowrap;
}
.benefit-table thead th:first-child{
  position:sticky;
  left:0;
  z-index:3;
  background:var(--ink);
  border-right:1px solid rgba(255,255,255,.12);
}
.benefit-table thead th.col-bronze{color:#CFF6EB;}
.benefit-table thead th.col-silver{color:var(--gold);}
.benefit-table thead th.col-gold{color:#FFB49F;}
.benefit-table tbody td{
  padding:18px 22px;
  border-bottom:1px solid var(--line);
  font-size:15.5px;
  vertical-align:middle;
  background:#fff;
}
.benefit-table tbody tr:last-child td{border-bottom:0;}
.benefit-table tbody td:first-child{
  position:sticky;
  left:0;
  z-index:2;
  font-weight:700;
  color:var(--text);
  border-right:1px solid var(--line);
  min-width:180px;
}
.benefit-table tbody tr:hover td{background:#FAFCFB;}
.benefit-table tbody tr:hover td:first-child{background:#F3FAF8;}
.benefit-table td i{color:var(--brand-dark);margin-right:7px;}
.benefit-table td.no i{color:#C3CFCB;}
.table-note{
  display:flex;
  gap:10px;
  align-items:flex-start;
  margin-top:18px;
  font-size:14px;
  color:var(--muted);
}
.table-note i{color:var(--gold);margin-top:5px;}

/* ============ 等级亮点（左右交替） ============ */
.level-row{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:44px;
  align-items:center;
  padding:34px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow-sm);
  margin-bottom:28px;
  transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease;
}
.level-row:hover{box-shadow:var(--shadow-lg);border-color:rgba(20,217,182,.55);transform:translateY(-4px);}
.level-row .lv-media{
  border-radius:16px;
  overflow:hidden;
  aspect-ratio:16/10;
  background:linear-gradient(135deg,rgba(20,217,182,.24),rgba(255,107,74,.2));
}
.level-row .lv-media img{width:100%;height:100%;object-fit:cover;}
.level-row.reverse .lv-media{order:2;}
.level-row .lv-body h3{margin-bottom:10px;}
.level-row .lv-body h3 .lv-index{
  font-family:var(--font-num);
  color:var(--brand);
  font-size:16px;
  font-weight:800;
  letter-spacing:.1em;
  display:block;
  margin-bottom:6px;
}
.level-row .lv-body p{color:var(--muted);margin-bottom:18px;}
.level-row .lv-points{
  list-style:none;
  padding:0;
  margin:0 0 20px;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px 18px;
}
.level-row .lv-points li{
  display:flex;
  align-items:flex-start;
  gap:9px;
  font-size:14.8px;
  color:#2C3F3A;
  margin:0;
}
.level-row .lv-points i{color:var(--brand-dark);margin-top:6px;font-size:12px;}
.level-row .lv-tags{display:flex;flex-wrap:wrap;gap:10px;}

/* ============ 专属内容预览 ============ */
.content-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:22px;
}
.content-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  display:flex;
  flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(20,217,182,.55);}
.content-card.wide{grid-column:span 3;}
.content-card.slim{grid-column:span 3;}
.content-card.small{grid-column:span 2;}
.content-card.mid{grid-column:span 4;}
.content-card .cc-thumb{
  position:relative;
  aspect-ratio:16/9;
  background:linear-gradient(135deg,rgba(20,217,182,.3),rgba(255,107,74,.24));
  overflow:hidden;
}
.content-card.small .cc-thumb{aspect-ratio:4/3;}
.content-card .cc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.content-card:hover .cc-thumb img{transform:scale(1.05);}
.content-card .cc-thumb .badge{position:absolute;left:14px;top:14px;background:rgba(11,31,26,.82);color:#CFF6EB;}
.content-card .cc-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.content-card .cc-body h3{font-size:18.5px;margin-bottom:8px;}
.content-card .cc-body p{font-size:14.8px;color:var(--muted);margin-bottom:16px;flex:1;}
.content-card .cc-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}

/* ============ 数据条 ============ */
.stats-band{
  background:var(--ink-soft);
  border-radius:22px;
  padding:38px 32px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  color:#D6EDE6;
}
.stat-item{text-align:center;padding:0 8px;}
.stat-item .st-num{
  font-family:var(--font-num);
  font-size:clamp(26px,3vw,38px);
  font-weight:800;
  color:var(--brand);
  line-height:1.2;
}
.stat-item .st-label{font-size:14.5px;font-weight:700;color:#fff;margin-top:6px;}
.stat-item .st-desc{font-size:13px;color:#93B7AD;}

/* ============ 最新信息（CMS） ============ */
.news-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.news-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  display:flex;
  gap:18px;
  padding:16px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(20,217,182,.55);}
.news-thumb{
  width:170px;
  flex-shrink:0;
  border-radius:14px;
  overflow:hidden;
  aspect-ratio:16/11;
  background:linear-gradient(135deg,rgba(20,217,182,.3),rgba(255,107,74,.22));
}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{display:flex;flex-direction:column;min-width:0;}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px;}
.news-date{font-size:12.5px;color:var(--muted);font-family:var(--font-num);letter-spacing:.02em;}
.news-body h3{font-size:17.5px;margin-bottom:8px;line-height:1.5;}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--brand-dark);}
.news-sum{font-size:14.5px;color:var(--muted);margin-bottom:12px;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-empty{
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  padding:52px 24px;
  text-align:center;
  color:var(--muted);
}
.news-empty i{font-size:30px;color:var(--brand);display:block;margin-bottom:14px;}
.news-empty p{margin-bottom:18px;font-size:16px;}
.news-empty .btn{margin:0 6px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto;}
.accordion{
  background:transparent;
  border:0;
  border-radius:0;
}
.accordion .accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.accordion .accordion-item:hover{border-color:rgba(20,217,182,.5);}
.accordion .accordion-item.is-active{border-color:var(--brand);box-shadow:var(--shadow);}
.accordion .accordion-title{
  border:0;
  padding:20px 56px 20px 62px;
  font-size:16.5px;
  font-weight:700;
  color:var(--text);
  position:relative;
  background:#fff;
  line-height:1.6;
}
.accordion .accordion-title::before{
  content:"?";
  position:absolute;
  left:20px;
  top:50%;
  transform:translateY(-50%);
  width:28px;height:28px;
  border-radius:9px;
  background:rgba(20,217,182,.16);
  color:var(--brand-dark);
  font-family:var(--font-num);
  font-size:15px;
  font-weight:800;
  display:flex;align-items:center;justify-content:center;
  line-height:1;
}
.accordion .accordion-title::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  font-size:12px;
  color:var(--muted);
  transition:transform .25s ease;
}
.accordion .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(180deg);color:var(--brand-dark);}
.accordion .accordion-title:hover{background:#F7FCFA;color:var(--brand-dark);}
.accordion .accordion-content{
  border:0;
  padding:0 24px 22px 62px;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.85;
  background:#fff;
}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ============ CTA / 表单 ============ */
.cta-band{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  background:var(--ink);
  color:#fff;
  padding:56px 48px;
}
.cta-band .cta-media{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.34;
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(95deg,rgba(11,31,26,.95),rgba(11,31,26,.72) 60%,rgba(14,143,122,.55));
}
.cta-band .cta-inner{position:relative;z-index:2;}
.cta-band h2{color:#fff;}
.cta-band p{color:#BBD8D0;}
.join-form{
  background:#fff;
  border-radius:18px;
  padding:26px 24px;
  box-shadow:0 22px 46px rgba(0,0,0,.28);
  color:var(--text);
}
.join-form .field{margin-bottom:16px;}
.join-form label{
  display:block;
  font-size:14px;
  font-weight:700;
  margin-bottom:8px;
  color:#2C3F3A;
}
.join-form input[type="tel"],
.join-form input[type="text"],
.join-form select{
  width:100%;
  height:48px;
  padding:0 14px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#FBFCFB;
  font-size:15.5px;
  font-family:var(--font);
  color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.join-form select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.join-form input:focus,.join-form select:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(20,217,182,.28);
  outline:none;
  background:#fff;
}
.code-row{display:flex;gap:10px;}
.code-row input{flex:1;}
.code-row .btn{white-space:nowrap;padding:0 18px;height:48px;border-radius:10px;background:rgba(20,217,182,.16);color:var(--brand-dark);border:1px solid rgba(20,217,182,.5);font-weight:700;}
.code-row .btn:hover{background:var(--brand);color:#062A22;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.6px;color:var(--muted);margin-bottom:18px;}
.check-row input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand-dark);}
.form-hint{font-size:13px;color:var(--muted);margin:12px 0 0;display:flex;gap:8px;align-items:flex-start;}
.form-hint i{color:var(--ok);margin-top:5px;}
.join-side{list-style:none;padding:0;margin:0;}
.join-side li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 0;
  border-bottom:1px dashed rgba(255,255,255,.18);
  color:#C7E3DB;
  font-size:15px;
}
.join-side li:last-child{border-bottom:0;}
.join-side i{color:var(--brand);margin-top:6px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:#9FBFB7;
  padding:70px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand .brand-text b{color:#fff;}
.footer-brand .brand-text i{color:var(--brand);}
.footer-brand p{color:#8FAFA6;font-size:14px;margin:16px 0 0;max-width:30em;}
.footer-col h4{
  color:#fff;
  font-size:15.5px;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:#9FBFB7;}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:#9FBFB7;}
.footer-contact i{color:var(--brand);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:#7E9E95;
}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a{color:#7E9E95;}
.footer-bottom a:hover{color:var(--brand);}
.footer-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border-radius:999px;
  background:rgba(20,217,182,.12);
  border:1px solid rgba(20,217,182,.3);
  color:var(--brand);
  font-size:12.5px;
  font-weight:700;
}

/* ============ 移动抽屉 ============ */
.mobile-drawer{
  position:fixed;
  left:0;top:0;bottom:0;
  width:290px;
  max-width:86vw;
  background:#fff;
  z-index:130;
  transform:translateX(-102%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  box-shadow:0 0 44px rgba(11,31,26,.28);
  padding:22px 20px;
  display:flex;
  flex-direction:column;
  gap:6px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
  margin-bottom:14px;
}
.drawer-close{
  width:40px;height:40px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  cursor:pointer;
  font-size:16px;
}
.drawer-close:hover{border-color:var(--coral);color:var(--coral);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:18px;}
.drawer-nav a{
  padding:13px 14px;
  border-radius:12px;
  font-weight:700;
  font-size:15.5px;
  color:#2C3F3A;
}
.drawer-nav a:hover{background:rgba(20,217,182,.12);color:var(--brand-dark);}
.drawer-nav a.active{background:rgba(20,217,182,.16);color:var(--brand-dark);}
.drawer-foot{
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(11,31,26,.55);
  z-index:120;
  opacity:0;
  visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ 滚动显现 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  :root{--sec:72px;}
  .desktop-nav{display:none;}
  .menu-toggle{display:inline-flex;}
  .hero{padding:76px 0 66px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .stats-band{grid-template-columns:repeat(2,1fr);}
  .content-grid{grid-template-columns:repeat(4,1fr);}
  .content-card.wide,.content-card.slim{grid-column:span 2;}
  .content-card.small{grid-column:span 2;}
  .content-card.mid{grid-column:span 2;}
  .level-row{grid-template-columns:1fr;gap:26px;padding:26px;}
  .level-row.reverse .lv-media{order:0;}
  .news-grid{grid-template-columns:1fr;}
  .cta-band{padding:44px 32px;}
}
@media screen and (max-width:768px){
  body{font-size:16px;}
  :root{--sec:56px;}
  .grid-container{padding-left:18px;padding-right:18px;}
  .topbar-note{display:none;}
  .topbar-inner{justify-content:space-between;}
  .nav-wrap{min-height:66px;gap:12px;}
  .brand-text b{font-size:15px;}
  .nav-cta .btn{display:none;}
  .hero h1{max-width:none;}
  .hero-sub{font-size:16.5px;}
  .hero-cta .btn{flex:1 1 auto;}
  .level-card{padding:22px 18px;}
  .section-head{margin-bottom:34px;}
  .level-row .lv-points{grid-template-columns:1fr;}
  .content-grid{grid-template-columns:1fr;}
  .content-card.wide,.content-card.slim,.content-card.small,.content-card.mid{grid-column:span 1;}
  .news-item{flex-direction:column;gap:14px;}
  .news-thumb{width:100%;aspect-ratio:16/9;}
  .accordion .accordion-title{padding:17px 50px 17px 56px;font-size:15.5px;}
  .accordion .accordion-content{padding:0 20px 18px 56px;font-size:15px;}
  .cta-band{padding:34px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{justify-content:flex-start;}
  .stats-band{grid-template-columns:1fr;padding:28px 20px;}
  /* 权益对比表转卡片 */
  .benefit-table thead{display:none;}
  .benefit-table,
  .benefit-table tbody,
  .benefit-table tr,
  .benefit-table td{display:block;width:100%;}
  .benefit-table tbody tr{
    border:1px solid var(--line);
    border-radius:16px;
    padding:14px 16px;
    margin:0 16px 16px;
    width:calc(100% - 32px);
    box-shadow:var(--shadow-sm);
  }
  .benefit-table tbody td{
    border:0;
    padding:9px 0;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    font-size:15px;
  }
  .benefit-table tbody td::before{
    content:attr(data-label);
    font-weight:700;
    color:var(--muted);
    font-size:13.5px;
    flex-shrink:0;
  }
  .benefit-table tbody td:first-child{
    position:static;
    border-right:0;
    border-bottom:1px dashed var(--line);
    padding-bottom:12px;
    margin-bottom:6px;
    font-size:16px;
    display:block;
    min-width:0;
  }
  .benefit-table tbody td:first-child::before{display:none;}
  .benefit-table caption{padding:16px 16px 0;}
  .table-shell{background:transparent;border:0;box-shadow:none;}
}
@media screen and (max-width:520px){
  .brand-text b{font-size:14px;}
  .brand-text i{font-size:11px;letter-spacing:.1em;}
  .brand-mark{width:38px;height:38px;}
  .hero{padding:56px 0 48px;}
  .hero-facts{gap:10px 18px;font-size:13.5px;}
  .btn{padding:12px 20px;font-size:15px;}
  .level-row{padding:20px;border-radius:16px;}
  .stat-item .st-num{font-size:30px;}
  .code-row{flex-wrap:wrap;}
  .code-row .btn{width:100%;height:44px;}
  .footer-bottom .fb-links{gap:12px;}
}

/* roulang page: article */
:root{
  --c-primary:#14D9B6;
  --c-primary-dark:#0E8F7A;
  --c-coral:#FF6B4A;
  --c-gold:#F5B642;
  --c-ink:#0B1F1A;
  --c-bg:#F6F4EF;
  --c-card:#FFFFFF;
  --c-text:#172321;
  --c-muted:#5B6B66;
  --c-border:#DCE6E1;
  --c-success:#2BB673;
  --c-warn:#E4572E;
  --r-card:18px;
  --r-btn:11px;
  --r-pill:999px;
  --sh-card:0 12px 30px rgba(11,31,26,.08);
  --sh-hover:0 18px 40px rgba(11,31,26,.12);
  --sp-section:96px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num:"DIN Alternate","Barlow","Segoe UI",var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--c-bg);color:var(--c-text);
  font-family:var(--font-cn);font-size:17px;line-height:1.8;
  letter-spacing:.01em;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--c-primary-dark);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--c-coral);}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--c-text);font-weight:800;letter-spacing:-.01em;line-height:1.3;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.2em;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(20,217,182,.35);border-radius:8px;
}
.grid-container{max-width:1240px;padding-left:20px;padding-right:20px;}
.grid-x{display:flex;flex-flow:row wrap;}
.grid-x>.cell{min-width:0;}
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-x.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-ink);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:99;}
.skip-link:focus{left:0;color:#fff;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(11,31,26,.10);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;}
.brand-mark{
  display:grid;grid-template-columns:repeat(3,1fr);gap:3px;
  width:34px;height:34px;padding:5px;border-radius:11px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-dark));
  box-shadow:0 8px 18px rgba(14,143,122,.28);flex:0 0 auto;
}
.brand-mark span{display:block;background:#fff;border-radius:2px;opacity:.92;}
.brand-mark span:nth-child(5){background:var(--c-gold);opacity:1;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:18px;font-weight:800;color:var(--c-ink);letter-spacing:.02em;}
.brand-text i{font-style:normal;font-size:12px;color:var(--c-primary-dark);letter-spacing:.22em;font-weight:600;}
.desktop-nav{display:flex;align-items:center;gap:6px;}
.desktop-nav a{
  display:inline-block;padding:9px 15px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--c-muted);
}
.desktop-nav a:hover{color:var(--c-primary-dark);background:rgba(20,217,182,.10);}
.desktop-nav a.active{color:#0A5F52;background:rgba(20,217,182,.16);}
.desktop-nav a.active::after{content:"";display:block;height:2px;margin-top:5px;border-radius:2px;background:var(--c-primary);}
.nav-cta{display:flex;align-items:center;gap:10px;}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--c-border);background:#fff;color:var(--c-ink);
  font-size:18px;cursor:pointer;transition:all .2s ease;
}
.menu-toggle:hover{border-color:var(--c-primary);color:var(--c-primary-dark);background:rgba(20,217,182,.08);}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15.5px;font-weight:700;cursor:pointer;text-align:center;
  transition:transform .15s ease,background-color .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--c-primary);color:#08221C;box-shadow:0 10px 22px rgba(20,217,182,.28);}
.btn-primary:hover{background:var(--c-coral);color:#fff;box-shadow:0 14px 28px rgba(255,107,74,.30);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary-dark);}
.btn-ghost:hover{background:var(--c-ink);border-color:var(--c-ink);color:var(--c-primary);}
.btn-dark{background:var(--c-ink);color:#EAF6F2;}
.btn-dark:hover{background:var(--c-primary-dark);color:#fff;}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}

/* ---------- drawer ---------- */
.mobile-drawer{
  position:fixed;top:0;left:0;width:290px;max-width:86vw;height:100%;
  background:#fff;z-index:80;transform:translateX(-102%);
  transition:transform .3s ease;box-shadow:0 0 40px rgba(11,31,26,.2);
  padding:22px 20px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--c-border);background:#fff;color:var(--c-ink);cursor:pointer;font-size:16px;}
.drawer-close:hover{border-color:var(--c-coral);color:var(--c-coral);}
.mobile-drawer nav{display:flex;flex-direction:column;gap:6px;margin-bottom:20px;}
.mobile-drawer nav a{padding:12px 14px;border-radius:11px;font-weight:600;color:var(--c-text);background:#F8FBF9;border:1px solid var(--c-border);}
.mobile-drawer nav a.active{background:rgba(20,217,182,.16);border-color:rgba(20,217,182,.55);color:#0A5F52;}
.mobile-drawer nav a:hover{border-color:var(--c-primary);color:var(--c-primary-dark);}
.drawer-mask{position:fixed;inset:0;background:rgba(11,31,26,.55);opacity:0;visibility:hidden;transition:opacity .3s ease;z-index:70;}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;color:#fff;padding:56px 0 62px;
  background:
    linear-gradient(115deg,rgba(11,31,26,.95) 0%,rgba(11,31,26,.82) 48%,rgba(11,31,26,.66) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(20,217,182,.30) 1px,transparent 1px);
  background-size:26px 26px;opacity:.16;
}
.article-hero .grid-container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:#A9C6BF;margin-bottom:18px;}
.crumb a{color:#CDE6DF;}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{opacity:.55;}
.crumb .now{color:var(--c-primary);}
.article-hero h1{
  color:#fff;font-size:clamp(28px,3.6vw,46px);line-height:1.28;
  margin:0 0 18px;max-width:20em;letter-spacing:-.02em;
}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center;font-size:14px;color:#BBD4CD;}
.meta-row .chip{
  display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(20,217,182,.16);border:1px solid rgba(20,217,182,.38);color:#8CF0DA;font-weight:600;
}
.meta-row .chip.gold{background:rgba(245,182,66,.16);border-color:rgba(245,182,66,.4);color:#F8CE7C;}
.meta-row .dot{width:6px;height:6px;border-radius:50%;background:var(--c-coral);display:inline-block;}

/* ---------- article body ---------- */
.article-wrap{padding:64px 0 88px;}
.article-card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:38px clamp(20px,3vw,44px);
}
.prose{max-width:820px;font-size:17.5px;line-height:1.9;color:#22302C;}
.prose h2{
  position:relative;font-size:clamp(22px,2.4vw,29px);margin:2em 0 .8em;padding-left:16px;
}
.prose h2::before{content:"";position:absolute;left:0;top:.22em;width:5px;height:1.05em;border-radius:3px;background:linear-gradient(180deg,var(--c-primary),var(--c-primary-dark));}
.prose h3{font-size:clamp(18px,1.9vw,22px);margin:1.6em 0 .6em;color:#0F3A32;}
.prose h2:first-child,.prose h3:first-child{margin-top:0;}
.prose p{margin:0 0 1.15em;}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1.3em;}
.prose li{margin-bottom:.5em;}
.prose a{color:var(--c-primary-dark);border-bottom:1px dashed rgba(14,143,122,.5);}
.prose a:hover{color:var(--c-coral);border-color:var(--c-coral);}
.prose blockquote{
  margin:1.5em 0;padding:18px 22px;border-left:4px solid var(--c-primary);
  background:#F2FBF8;border-radius:0 14px 14px 0;color:#20463E;font-size:16.5px;
}
.prose img{border-radius:14px;margin:1.4em 0;box-shadow:var(--sh-card);}
.prose table{width:100%;display:block;overflow-x:auto;border-collapse:collapse;margin:1.5em 0;font-size:15.5px;}
.prose th,.prose td{border:1px solid var(--c-border);padding:11px 14px;text-align:left;}
.prose th{background:#EFF8F5;color:#0F3A32;font-weight:700;}
.prose code{background:#EFF8F5;padding:2px 7px;border-radius:6px;font-size:.94em;color:#0E8F7A;}
.article-note{
  margin-top:34px;padding:20px 22px;border-radius:16px;
  background:linear-gradient(135deg,#F2FBF8,#FFF4EF);
  border:1px solid var(--c-border);font-size:15px;color:var(--c-muted);line-height:1.85;
}
.article-note strong{color:var(--c-ink);}
.empty-state{
  text-align:center;padding:64px 20px;border-radius:16px;
  background:linear-gradient(135deg,#F2FBF8,#FFF1EC);border:1px dashed var(--c-border);
}
.empty-state i{font-size:34px;color:var(--c-primary-dark);margin-bottom:14px;display:block;}
.empty-state p{font-size:19px;font-weight:700;color:var(--c-ink);margin-bottom:18px;}

/* ---------- sidebar ---------- */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:100px;}
.side-card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:22px;
}
.side-card h3{font-size:17px;margin:0 0 14px;display:flex;align-items:center;gap:9px;}
.side-card h3 i{color:var(--c-primary-dark);}
.toc-list{list-style:none;margin:0;padding:0;counter-reset:toc;}
.toc-list li{margin-bottom:8px;line-height:1.5;}
.toc-list a{font-size:14.5px;color:var(--c-muted);display:block;padding:6px 10px;border-radius:9px;border-left:2px solid transparent;}
.toc-list a:hover{color:var(--c-primary-dark);background:#F2FBF8;border-left-color:var(--c-primary);}
.toc-list li.lv3 a{padding-left:24px;font-size:14px;}
.toc-empty{font-size:14px;color:var(--c-muted);}
.level-list{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-direction:column;gap:10px;}
.level-list li{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border-radius:13px;background:#F8FBF9;border:1px solid var(--c-border);font-size:14.5px;line-height:1.6;}
.level-list li i{color:var(--c-gold);margin-top:3px;}
.level-list b{display:block;font-size:15px;color:var(--c-ink);}
.level-list span{color:var(--c-muted);font-size:13.5px;}
.side-cta{background:linear-gradient(150deg,#0B1F1A,#12463C);border-color:#12463C;color:#D8EDE7;}
.side-cta h3{color:#fff;}
.side-cta p{font-size:14px;color:#A9C6BF;margin-bottom:16px;}

/* ---------- related ---------- */
.section{padding:var(--sp-section) 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--c-primary-dark);background:rgba(20,217,182,.14);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,2.8vw,36px);margin:0 0 12px;}
.section-head p{color:var(--c-muted);margin:0;font-size:16px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.post-card{
  display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--c-primary);}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#B9EDE2,#FFD4C7);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-thumb img{transform:scale(1.05);}
.post-tag{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(11,31,26,.82);color:#8CF0DA;font-size:12.5px;font-weight:700;backdrop-filter:blur(4px);
}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.post-body h3{font-size:19px;margin:0 0 10px;line-height:1.45;}
.post-body h3 a{color:var(--c-ink);}
.post-body h3 a:hover{color:var(--c-primary-dark);}
.post-body p{font-size:15px;color:var(--c-muted);margin:0 0 18px;flex:1;}
.post-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);}
.post-meta .cat{color:var(--c-primary-dark);font-weight:600;}
.post-more{font-size:14px;font-weight:700;color:var(--c-primary-dark);display:inline-flex;align-items:center;gap:6px;}
.post-card:hover .post-more{color:var(--c-coral);}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;color:#fff;
  background:linear-gradient(120deg,#0B1F1A 0%,#12463C 62%,#0E8F7A 100%);
  padding:clamp(32px,4vw,58px);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,74,.45),transparent 68%);
}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,34px);margin:0 0 12px;position:relative;z-index:2;}
.cta-band p{color:#B7D3CC;max-width:620px;margin:0 0 26px;position:relative;z-index:2;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}
.cta-points{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:26px;position:relative;z-index:2;font-size:14.5px;color:#CFE6E0;}
.cta-points span{display:inline-flex;align-items:center;gap:8px;}
.cta-points i{color:var(--c-primary);}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:#C7DAD4;padding-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px;padding:64px 0 44px;}
.site-footer .brand{margin-bottom:18px;}
.site-footer .brand-text b{color:#fff;}
.site-footer .brand-text i{color:var(--c-primary);}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#9DB8B1;margin:0 0 18px;max-width:34em;}
.footer-badge{
  display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:var(--r-pill);
  background:rgba(20,217,182,.14);border:1px solid rgba(20,217,182,.32);color:#8CF0DA;font-size:13px;font-weight:600;
}
.footer-col h4{color:#fff;font-size:16px;margin:0 0 18px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:11px;font-size:14.5px;}
.footer-col a{color:#A9C6BF;}
.footer-col a:hover{color:var(--c-primary);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:#9DB8B1;line-height:1.7;}
.footer-contact i{color:var(--c-primary);margin-top:5px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 28px;font-size:13.5px;color:#8CA8A1;
}
.fb-links{display:flex;flex-wrap:wrap;gap:18px;}
.fb-links a{color:#A9C6BF;}
.fb-links a:hover{color:var(--c-primary);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--sp-section:72px;}
  .desktop-nav{display:none;}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .side-stack{position:static;margin-top:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-hero{padding:44px 0 48px;}
}
@media (max-width:640px){
  body{font-size:16px;}
  :root{--sp-section:56px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .nav-wrap{min-height:64px;gap:12px;}
  .brand-text b{font-size:16px;}
  .brand-mark{width:30px;height:30px;}
  .nav-cta .btn-sm{padding:8px 14px;font-size:13.5px;}
  .article-hero{padding:34px 0 40px;}
  .article-hero h1{font-size:26px;}
  .article-wrap{padding:44px 0 60px;}
  .article-card{padding:24px 18px;border-radius:16px;}
  .prose{font-size:16.5px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:48px 0 32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{border-radius:18px;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --brand:#14D9B6;
  --brand-dark:#0E8F7A;
  --coral:#FF6B4A;
  --gold:#F5B642;
  --ink:#0B1F1A;
  --ink-soft:#123029;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --text:#172321;
  --muted:#5B6B66;
  --line:#DCE6E1;
  --ok:#2BB673;
  --warn:#E4572E;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow:0 12px 30px rgba(11,31,26,.08);
  --shadow-hover:0 18px 40px rgba(11,31,26,.12);
  --container:1240px;
  --ease:.25s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-dark);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--coral);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(20,217,182,.35);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--text);letter-spacing:-.01em;font-weight:700;line-height:1.3;}
h1{font-size:clamp(32px,4.6vw,56px);}
h2{font-size:clamp(26px,3.2vw,40px);}
h3{font-size:clamp(20px,2vw,24px);}
h4{font-size:18px;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
.grid-container{max-width:var(--container);}
.num{font-family:"DIN Alternate","Barlow","PingFang SC",sans-serif;font-feature-settings:"tnum";}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.scrolled{box-shadow:0 10px 26px rgba(11,31,26,.08);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:3px;padding:5px;border-radius:12px;
  background:var(--ink);
}
.brand-mark span{border-radius:2px;background:var(--brand);opacity:.95;}
.brand-mark span:nth-child(2),
.brand-mark span:nth-child(6),
.brand-mark span:nth-child(8){background:var(--coral);}
.brand-mark span:nth-child(5){background:var(--gold);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.brand-text i{font-style:normal;font-size:12.5px;color:var(--brand-dark);letter-spacing:.14em;}
.desktop-nav{display:flex;align-items:center;gap:6px;}
.desktop-nav a{
  padding:9px 16px;border-radius:var(--radius-sm);
  font-size:15.5px;font-weight:600;color:var(--muted);
  transition:background var(--ease),color var(--ease);
}
.desktop-nav a:hover{background:#E9F7F3;color:var(--brand-dark);}
.desktop-nav a.active{background:var(--ink);color:var(--brand);}
.nav-cta{display:flex;align-items:center;gap:12px;}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:18px;cursor:pointer;transition:all var(--ease);
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand-dark);}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;top:0;left:0;height:100%;width:306px;max-width:84vw;z-index:90;
  background:var(--ink);color:#E7F5F1;
  padding:26px 22px;transform:translateX(-104%);
  transition:transform .32s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-head span{font-size:14px;letter-spacing:.16em;color:var(--brand);}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid rgba(231,245,241,.24);
  background:transparent;color:#E7F5F1;cursor:pointer;font-size:16px;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-nav a{
  padding:13px 14px;border-radius:12px;color:#D5E9E4;font-size:16px;font-weight:600;
}
.drawer-nav a:hover{background:rgba(20,217,182,.14);color:var(--brand);}
.drawer-nav a.active{background:var(--brand);color:#052B24;}
.drawer-cta{width:100%;justify-content:center;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,31,26,.5);z-index:80;
  opacity:0;visibility:hidden;transition:all .3s ease;
}
.drawer-mask.show{opacity:1;visibility:visible;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:12px;border:1px solid transparent;
  font-size:16px;font-weight:700;line-height:1.2;cursor:pointer;
  transition:transform var(--ease),background var(--ease),color var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--brand);color:#053A31;border-color:var(--brand);}
.btn-primary:hover{background:var(--coral);color:#fff;border-color:var(--coral);transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,107,74,.3);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;color:var(--brand-dark);border-color:var(--brand);}
.btn-ghost:hover{background:var(--ink);color:var(--brand);border-color:var(--ink);}
.btn-sm{padding:9px 18px;font-size:14.5px;border-radius:var(--radius-sm);}
.btn-block{width:100%;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:780px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(20,217,182,.14);color:var(--brand-dark);
  font-size:13.5px;font-weight:700;letter-spacing:.06em;margin-bottom:18px;
}
.eyebrow.on-dark{background:rgba(20,217,182,.18);color:#7CF0DB;}
.section-head p{color:var(--muted);font-size:17px;margin:0;}
.title-bar{display:inline-block;position:relative;padding-left:18px;}
.title-bar::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-dark));
}
.section-head.center .title-bar{padding-left:0;}
.section-head.center .title-bar::before{display:none;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--ink);padding:96px 0 84px;}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.34;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,31,26,.95) 12%,rgba(11,31,26,.78) 48%,rgba(11,31,26,.42) 100%);
}
.hero .grid-container{position:relative;z-index:3;}
.hero-copy{color:#EAF7F4;padding-bottom:8px;}
.hero h1{color:#fff;margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{color:#BFD8D2;font-size:18px;max-width:600px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 26px;}
.hero-points li{display:flex;align-items:center;gap:9px;color:#CFE6E1;font-size:15px;}
.hero-points i{color:var(--brand);}
.hero-panel{position:relative;}
.level-stack{display:flex;flex-direction:column;gap:14px;}
.level-mini{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(20,217,182,.28);
  border-radius:var(--radius-lg);
  padding:20px 22px;
  backdrop-filter:blur(6px);
  transition:transform var(--ease),border-color var(--ease),background var(--ease);
}
.level-mini:hover{transform:translateY(-4px);border-color:var(--brand);background:rgba(20,217,182,.1);}
.level-mini h3{color:#fff;font-size:19px;margin-bottom:6px;}
.level-mini p{color:#A9C6C0;font-size:14.5px;margin:0;}
.lv-tag{
  display:inline-block;padding:4px 13px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;margin-bottom:10px;
}
.lv-bronze .lv-tag{background:rgba(245,182,66,.18);color:var(--gold);}
.lv-silver .lv-tag{background:rgba(20,217,182,.18);color:var(--brand);}
.lv-gold .lv-tag{background:rgba(255,107,74,.2);color:#FF9A80;}

/* ============ 数据速览 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 24px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand);}
.stat b{display:block;font-size:34px;color:var(--brand-dark);line-height:1.1;margin-bottom:8px;}
.stat span{color:var(--muted);font-size:15px;}

/* ============ 权益对比表 ============ */
.compare-table-wrap{
  overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:var(--card);box-shadow:var(--shadow);
}
table.compare-table{width:100%;border-collapse:separate;border-spacing:0;min-width:760px;}
.compare-table thead th{
  background:var(--ink);color:#E6F5F1;font-size:15px;font-weight:700;
  padding:18px 18px;text-align:left;white-space:nowrap;
}
.compare-table thead th:first-child{
  position:sticky;left:0;z-index:3;background:var(--ink-soft);
}
.compare-table thead th.col-hl{
  background:linear-gradient(96deg,var(--brand-dark),var(--brand));
  color:#04231D;
}
.compare-table tbody td{
  padding:16px 18px;border-bottom:1px solid var(--line);
  color:var(--muted);font-size:15.5px;vertical-align:top;
}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody td:first-child{
  position:sticky;left:0;z-index:2;background:#FBFCFB;
  font-weight:700;color:var(--text);white-space:nowrap;
}
.compare-table tbody tr:hover td{background:#F2FBF8;}
.compare-table tbody tr:hover td:first-child{background:#E7F7F2;}
.cell-yes{color:var(--ok);font-weight:700;}
.cell-hl{color:var(--brand-dark);font-weight:700;}
.compare-cards{display:none;}
.benefit-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px;margin-bottom:16px;box-shadow:var(--shadow);
}
.benefit-card h4{margin-bottom:14px;font-size:18px;}
.benefit-card dl{margin:0;display:grid;grid-template-columns:78px 1fr;gap:8px 12px;font-size:15px;}
.benefit-card dt{color:var(--muted);}
.benefit-card dd{margin:0;color:var(--text);font-weight:600;}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:38px;}
.timeline::before{
  content:"";position:absolute;left:12px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(20,217,182,.15));
}
.timeline li{position:relative;padding-bottom:34px;}
.timeline li:last-child{padding-bottom:0;}
.tl-num{
  position:absolute;left:-38px;top:2px;width:26px;height:26px;border-radius:50%;
  background:var(--ink);color:var(--brand);font-size:12.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-family:"DIN Alternate","Barlow",sans-serif;
}
.tl-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px 22px;box-shadow:var(--shadow);
  transition:transform var(--ease),border-color var(--ease);
}
.tl-body:hover{transform:translateX(4px);border-color:var(--brand);}
.tl-body h3{font-size:19px;margin-bottom:6px;}
.tl-body p{margin:0;color:var(--muted);font-size:15.5px;}

/* ============ 等级亮点 ============ */
.level-row{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;margin-bottom:34px;}
.level-row:last-child{margin-bottom:0;}
.level-row.reverse .level-media{order:2;}
.level-media{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);background:linear-gradient(135deg,#B7EFE1,#FFC9B8);
}
.level-media img{width:100%;height:300px;object-fit:cover;}
.level-text{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 30px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.level-text:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand);}
.level-text h3{margin-bottom:10px;}
.level-text > p{color:var(--muted);font-size:16px;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.tag{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:#EDF7F4;color:var(--brand-dark);font-size:13.5px;font-weight:600;
  border:1px solid var(--line);
}
.tag.accent{background:rgba(255,107,74,.12);color:var(--coral);border-color:rgba(255,107,74,.24);}
.tag.gold{background:rgba(245,182,66,.16);color:#A97211;border-color:rgba(245,182,66,.3);}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto;}
ul.faq-accordion{border:none;background:transparent;}
.faq-accordion .accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-accordion .accordion-item:hover{border-color:var(--brand);}
.faq-accordion .accordion-item.is-active{border-color:var(--brand);box-shadow:var(--shadow-hover);}
.faq-accordion .accordion-title{
  display:flex;align-items:center;gap:14px;
  padding:20px 24px;font-size:17px;font-weight:700;color:var(--text);
  background:var(--card);border:none;
  transition:background var(--ease),color var(--ease);
}
.faq-accordion .accordion-title::before{display:none;}
.faq-accordion .accordion-title:hover{background:#F2FBF8;color:var(--brand-dark);}
.faq-accordion .accordion-title .q-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:rgba(20,217,182,.16);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
}
.faq-accordion .accordion-content{
  padding:0 24px 22px 64px;color:var(--muted);font-size:16px;line-height:1.85;
  border:none;background:var(--card);
}
.faq-accordion .accordion-content p:last-child{margin-bottom:0;}

/* ============ CTA / 表单 ============ */
.cta-section{
  background:linear-gradient(120deg,var(--ink) 0%,#123029 100%);
  padding:88px 0;position:relative;overflow:hidden;
}
.cta-section::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(20,217,182,.24),transparent 68%);
}
.cta-section .grid-container{position:relative;z-index:2;}
.cta-title{color:#fff;font-size:clamp(26px,3vw,38px);margin-bottom:14px;}
.cta-title em{font-style:normal;color:var(--brand);}
.cta-sub{color:#B7D2CC;font-size:16.5px;margin-bottom:28px;}
.open-form{
  background:var(--card);border-radius:var(--radius-lg);padding:30px;
  box-shadow:0 20px 44px rgba(0,0,0,.24);border:1px solid var(--line);
}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:14.5px;font-weight:700;color:var(--text);margin-bottom:8px;}
.form-row input,.form-row select{
  width:100%;height:48px;padding:0 16px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#FBFCFB;color:var(--text);font-size:16px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
  appearance:none;
}
.form-row select{
  background-image:linear-gradient(45deg,transparent 50%,var(--brand-dark) 50%),linear-gradient(135deg,var(--brand-dark) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;
}
.form-row input:focus,.form-row select:focus{
  border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(20,217,182,.25);outline:none;
}
.code-row{display:flex;gap:12px;}
.code-row input{flex:1;}
.code-btn{
  flex:0 0 128px;height:48px;border-radius:var(--radius-sm);
  border:1px solid var(--brand);background:transparent;color:var(--brand-dark);
  font-size:15px;font-weight:700;cursor:pointer;transition:all var(--ease);
}
.code-btn:hover{background:var(--brand);color:#053A31;}
.form-check{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--muted);margin:6px 0 20px;}
.form-check input{width:18px;height:18px;margin-top:4px;accent-color:var(--brand);}
.form-check a{color:var(--brand-dark);font-weight:600;}
.form-tip{font-size:13.5px;color:var(--muted);margin:12px 0 0;text-align:center;}
.side-summary{
  background:rgba(255,255,255,.07);border:1px solid rgba(20,217,182,.26);
  border-radius:var(--radius-lg);padding:28px;color:#D9EDE9;
}
.side-summary h3{color:#fff;font-size:20px;margin-bottom:16px;}
.side-summary ul{display:flex;flex-direction:column;gap:12px;}
.side-summary li{display:flex;gap:10px;font-size:15.5px;color:#BFD8D2;}
.side-summary li i{color:var(--brand);margin-top:5px;}
.side-summary .badge-line{
  margin-top:20px;padding-top:18px;border-top:1px solid rgba(20,217,182,.22);
  font-size:14px;color:#9FC0BA;
}

/* ============ 面包屑 ============ */
.breadcrumb-bar{background:#EFEDE6;border-bottom:1px solid var(--line);padding:14px 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:14px;color:var(--muted);margin:0;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand-dark);}
.breadcrumb li::after{content:"/";margin-left:9px;color:#C3CDCA;}
.breadcrumb li:last-child::after{display:none;}
.breadcrumb li[aria-current]{color:var(--brand-dark);font-weight:600;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C4D8D3;padding:72px 0 26px;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(20,217,182,.16);}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-text b{color:#fff;}
.footer-brand .brand-text i{color:var(--brand);}
.footer-brand p{color:#9FBBB5;font-size:14.5px;line-height:1.85;margin-bottom:16px;}
.footer-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;border:1px solid rgba(20,217,182,.3);
  color:var(--brand);font-size:13px;font-weight:600;
}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:#A9C6C0;font-size:14.5px;}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{display:flex;gap:10px;color:#A9C6C0;font-size:14.5px;}
.footer-contact i{color:var(--brand);margin-top:5px;}
.footer-contact a{color:#A9C6C0;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  padding-top:24px;color:#7E9A94;font-size:13.5px;
}
.fb-links{display:flex;flex-wrap:wrap;gap:20px;}
.fb-links a{color:#7E9A94;}
.fb-links a:hover{color:var(--brand);}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .section{padding:70px 0;}
  .hero{padding:74px 0 64px;}
  .desktop-nav{display:none;}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .level-row{grid-template-columns:1fr;gap:22px;}
  .level-row.reverse .level-media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media screen and (max-width:640px){
  body{font-size:16px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .hero{padding:56px 0 48px;}
  .hero-sub{font-size:16.5px;}
  .hero-actions .btn{width:100%;}
  .hero-points{gap:10px 18px;}
  .stat-grid{grid-template-columns:1fr;}
  .stat b{font-size:28px;}
  .compare-table-wrap{display:none;}
  .compare-cards{display:block;}
  .timeline{padding-left:32px;}
  .tl-num{left:-32px;}
  .level-media img{height:210px;}
  .level-text{padding:24px 20px;}
  .faq-accordion .accordion-title{padding:16px 18px;font-size:16px;}
  .faq-accordion .accordion-content{padding:0 18px 18px 52px;font-size:15.5px;}
  .cta-section{padding:56px 0;}
  .open-form{padding:22px;}
  .code-row{flex-direction:column;}
  .code-btn{flex:1 1 auto;width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .breadcrumb{font-size:13px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#14D9B6;
  --c-primary-dark:#0E8F7A;
  --c-coral:#FF6B4A;
  --c-gold:#F5B642;
  --c-ink:#0B1F1A;
  --c-bg:#F6F4EF;
  --c-card:#FFFFFF;
  --c-text:#172321;
  --c-muted:#5B6B66;
  --c-border:#DCE6E1;
  --c-success:#2BB673;
  --c-warn:#E4572E;
  --radius-card:18px;
  --radius-btn:11px;
  --radius-pill:999px;
  --shadow-card:0 12px 30px rgba(11,31,26,.08);
  --shadow-hover:0 18px 40px rgba(11,31,26,.12);
  --gap-lg:26px;
  --font-base:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:17px;
  line-height:1.82;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary-dark);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--c-coral)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(20,217,182,.35);border-radius:8px;
}
h1,h2,h3,h4{margin:0 0 .6em;letter-spacing:-.01em;color:var(--c-text);font-weight:800;line-height:1.28}
h1{font-size:clamp(32px,4.4vw,56px)}
h2{font-size:clamp(26px,3vw,40px)}
h3{font-size:clamp(19px,2vw,24px)}
h4{font-size:18px}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:16px}
.grid-container{max-width:1220px;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--dark{background:var(--c-ink);color:#EAF5F1}
.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}
.section--paper{background:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;font-weight:700;
  color:var(--c-primary-dark);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--c-primary)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.section-sub{color:var(--c-muted);font-size:17px;margin:0}
.section--dark .section-sub{color:#A9C4BC}

/* 顶部信息条 */
.topbar{background:var(--c-ink);color:#CFE7E0;font-size:13.5px;line-height:36px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px}
.tb-domain{display:inline-flex;align-items:center;gap:8px;color:var(--c-primary);font-weight:700;letter-spacing:.02em}
.tb-note{color:#9DB8B1;flex:1;text-align:center;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.tb-actions{display:inline-flex;align-items:center;gap:14px}
.tb-actions a{color:#CFE7E0}
.tb-actions a:hover{color:var(--c-primary)}
.tb-btn{
  background:var(--c-primary);color:var(--c-ink)!important;font-weight:700;
  padding:4px 14px;border-radius:var(--radius-pill);line-height:24px;
}
.tb-btn:hover{background:var(--c-coral);color:#fff!important}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-border);transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 10px 26px rgba(11,31,26,.09)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--c-text)}
.brand:hover{color:var(--c-text)}
.brand-mark{
  width:38px;height:38px;display:grid;grid-template-columns:repeat(3,1fr);gap:3px;
  padding:6px;border-radius:12px;background:linear-gradient(135deg,var(--c-ink),#123f36);flex:0 0 auto;
}
.brand-mark span{border-radius:2px;background:var(--c-primary);opacity:.9}
.brand-mark span:nth-child(2){background:var(--c-coral)}
.brand-mark span:nth-child(5){background:var(--c-gold)}
.brand-mark span:nth-child(9){background:var(--c-primary-dark)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:17px;font-weight:800;letter-spacing:.01em}
.brand-text i{font-style:normal;font-size:12.5px;color:var(--c-primary-dark);letter-spacing:.16em}
.desktop-nav{display:flex;align-items:center;gap:6px}
.desktop-nav a{
  position:relative;padding:10px 14px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;color:#31433F;
}
.desktop-nav a:hover{background:#EFF8F5;color:var(--c-primary-dark)}
.desktop-nav a.active{color:var(--c-ink);background:#E6F7F2}
.desktop-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;
  border-radius:3px;background:var(--c-primary);
}
.nav-cta{display:flex;align-items:center;gap:12px}
.menu-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--c-border);border-radius:12px;
  background:#fff;color:var(--c-ink);cursor:pointer;font-size:17px;
}
.menu-toggle:hover{border-color:var(--c-primary);color:var(--c-primary-dark)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:16px;font-weight:700;cursor:pointer;transition:all .22s ease;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--c-primary);color:var(--c-ink)}
.btn-primary:hover{background:var(--c-coral);color:#fff}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary-dark)}
.btn-ghost:hover{background:var(--c-ink);border-color:var(--c-ink);color:var(--c-primary)}
.btn-light{background:#fff;color:var(--c-ink)}
.btn-light:hover{background:var(--c-gold);color:var(--c-ink)}
.btn-sm{padding:9px 18px;font-size:14.5px}

/* Hero */
.hero{
  position:relative;overflow:hidden;color:#EAF5F1;
  background-image:linear-gradient(105deg,rgba(11,31,26,.94) 0%,rgba(11,31,26,.82) 48%,rgba(11,31,26,.42) 100%),
                   url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:84px 0 92px;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(20,217,182,.22) 1.5px,transparent 1.5px);
  background-size:26px 26px;opacity:.14;
}
.hero .grid-container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.hero h1{color:#fff;margin-bottom:18px}
.hero .lead{font-size:18px;line-height:1.85;color:#C6DCD6;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.crumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:#9DB8B1;margin-bottom:20px}
.crumb a{color:var(--c-primary)}
.crumb i{font-size:10px;opacity:.7}
.hero-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(20,217,182,.32);
  border-radius:var(--radius-card);padding:28px;backdrop-filter:blur(4px);
}
.hero-card h3{font-size:19px;color:#fff;margin-bottom:6px}
.hero-card .hc-sub{font-size:14px;color:#A9C4BC;margin-bottom:20px}
.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.stat{background:rgba(11,31,26,.5);border:1px solid rgba(220,230,225,.16);border-radius:14px;padding:14px 16px}
.stat b{display:block;font-family:var(--font-num);font-size:26px;color:var(--c-primary);line-height:1.2}
.stat span{font-size:13px;color:#A9C4BC}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:var(--radius-pill);font-size:13px;
  background:#EAF7F3;color:var(--c-primary-dark);border:1px solid #CBE9E0;font-weight:600;
}
.tag--coral{background:#FFEDE8;color:#C2452A;border-color:#FBD3C8}
.tag--gold{background:#FDF3DC;color:#96690E;border-color:#F3DDA9}
.tag--dark{background:rgba(255,255,255,.08);color:#CFE7E0;border-color:rgba(220,230,225,.22)}

/* 帮助分类宫格 */
.help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap-lg)}
.help-card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--radius-card);
  padding:28px 26px 24px;box-shadow:var(--shadow-card);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;height:100%;
}
.help-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--c-primary)}
.hc-icon{
  width:52px;height:52px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  font-size:21px;margin-bottom:18px;background:#E6F7F2;color:var(--c-primary-dark);
}
.hc-icon--coral{background:#FFEDE8;color:#C2452A}
.hc-icon--gold{background:#FDF3DC;color:#96690E}
.help-card h3{font-size:20px;margin-bottom:10px}
.help-card p{color:var(--c-muted);font-size:15.5px;margin-bottom:16px}
.hc-link{margin-top:auto;font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:7px}
.hc-link i{font-size:12px;transition:transform .22s ease}
.help-card:hover .hc-link i{transform:translateX(4px)}

/* 图文排查区 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split-media{
  border-radius:20px;overflow:hidden;border:1px solid var(--c-border);
  box-shadow:var(--shadow-card);background:linear-gradient(135deg,#14D9B6,#FF6B4A);
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.check-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--c-border);
}
.check-list li:last-child{border-bottom:none}
.check-list .ck-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;background:var(--c-ink);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-num);font-weight:700;font-size:15px;
}
.check-list b{display:block;font-size:16.5px;margin-bottom:2px}
.check-list span{color:var(--c-muted);font-size:15px}

/* 流程时间线 */
.flow{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.flow::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-coral));opacity:.35;
}
.flow-step{position:relative;background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-card);padding:26px 22px;box-shadow:var(--shadow-card)}
.flow-step:hover{border-color:var(--c-primary);box-shadow:var(--shadow-hover)}
.step-num{
  width:44px;height:44px;border-radius:14px;background:var(--c-ink);color:var(--c-primary);
  font-family:var(--font-num);font-weight:700;font-size:17px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.flow-step h4{margin-bottom:8px}
.flow-step p{color:var(--c-muted);font-size:15px;margin:0}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.faq-side{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-card);position:sticky;top:104px;
}
.faq-side h4{margin-bottom:12px}
.faq-side ul li{padding:11px 0;border-bottom:1px dashed var(--c-border);font-size:15px;color:var(--c-muted)}
.faq-side ul li:last-child{border-bottom:none}
.faq-side ul li i{color:var(--c-primary-dark);margin-right:8px}
.accordion{border:none;background:transparent;margin:0}
.accordion .accordion-item{
  background:#fff;border:1px solid var(--c-border);border-radius:16px;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-card);transition:border-color .22s ease,box-shadow .22s ease;
}
.accordion .accordion-item:hover{border-color:var(--c-primary)}
.accordion .accordion-item.is-active{border-color:var(--c-primary);box-shadow:var(--shadow-hover)}
.accordion .accordion-title{
  display:flex;align-items:center;gap:14px;padding:20px 22px;font-size:17px;font-weight:700;color:var(--c-text);
  border:none;background:transparent;line-height:1.5;
}
.accordion .accordion-title:hover{background:#F3FBF8;color:var(--c-primary-dark)}
.accordion .accordion-title::before{
  content:"\f059";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--c-primary-dark);font-size:16px;
}
.accordion .accordion-title::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--c-muted);
  margin-left:auto;transition:transform .25s ease;
}
.accordion .accordion-item.is-active .accordion-title::after{transform:rotate(180deg);color:var(--c-coral)}
.accordion .accordion-content{padding:0 22px 22px 58px;border:none;background:transparent;color:var(--c-muted);font-size:15.8px;line-height:1.85}
.accordion .accordion-content p:last-child{margin-bottom:0}

/* 表单 */
.form-section{background:linear-gradient(180deg,#FFFFFF 0%,#F2FAF7 100%)}
.form-layout{display:grid;grid-template-columns:1.35fr .85fr;gap:36px;align-items:start}
.form-card{
  background:#fff;border:1px solid var(--c-border);border-radius:22px;
  padding:34px;box-shadow:var(--shadow-card);
}
.form-card h3{margin-bottom:6px}
.form-card .fc-sub{color:var(--c-muted);font-size:15px;margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14.5px;font-weight:700;margin-bottom:8px;color:#2C3B37}
.field label .req{color:var(--c-coral)}
.field input[type=text],.field input[type=tel],.field input[type=email],.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 15px;border:1px solid var(--c-border);border-radius:10px;
  background:#FBFDFC;color:var(--c-text);transition:border-color .2s ease,background .2s ease;
}
.field textarea{min-height:130px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(20,217,182,.35);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.checkbox-row{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--c-muted);margin:6px 0 22px}
.checkbox-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-primary-dark)}
.form-note{font-size:13.5px;color:var(--c-muted);margin-top:14px}
.panel{
  background:var(--c-ink);color:#D5E9E3;border-radius:22px;padding:30px;box-shadow:var(--shadow-card);
}
.panel h4{color:#fff;margin-bottom:14px}
.panel ul li{display:flex;gap:11px;padding:10px 0;font-size:15px;border-bottom:1px solid rgba(220,230,225,.14)}
.panel ul li:last-child{border-bottom:none}
.panel ul li i{color:var(--c-primary);margin-top:5px}
.panel .panel-cta{margin-top:22px;display:flex;flex-direction:column;gap:10px}

/* CTA 区 */
.cta-band{
  border-radius:24px;padding:52px 46px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(115deg,#0B1F1A 0%,#123F36 58%,#0E8F7A 100%);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,217,182,.35),transparent 70%);
}
.cta-band h2{color:#fff;max-width:640px}
.cta-band p{color:#BBD6CF;max-width:660px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;position:relative;z-index:2}

/* 页脚 */
.site-footer{background:var(--c-ink);color:#B9D3CC;padding:70px 0 26px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.site-footer .brand-text b{color:#fff}
.site-footer .brand-text i{color:var(--c-primary)}
.footer-brand p{color:#9DB8B1;font-size:14.5px;line-height:1.85;margin:18px 0 16px}
.footer-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:var(--radius-pill);
  background:rgba(20,217,182,.12);border:1px solid rgba(20,217,182,.35);color:var(--c-primary);font-size:13px;font-weight:600;
}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col ul li{padding:7px 0}
.footer-col ul li a{color:#B9D3CC}
.footer-col ul li a:hover{color:var(--c-primary)}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;color:#9DB8B1;line-height:1.7}
.footer-contact li i{color:var(--c-primary);margin-top:5px}
.footer-contact li a{color:#B9D3CC}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(220,230,225,.16);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:13.5px;color:#8AA69F;
}
.fb-links{display:flex;flex-wrap:wrap;gap:18px}
.fb-links a{color:#B9D3CC}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,31,26,.5);opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;left:0;bottom:0;width:290px;max-width:86vw;background:#fff;z-index:90;
  transform:translateX(-102%);transition:transform .28s ease;padding:24px 22px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:38px;height:38px;border-radius:11px;border:1px solid var(--c-border);background:#fff;cursor:pointer;color:var(--c-text)}
.drawer-close:hover{border-color:var(--c-coral);color:var(--c-coral)}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;padding:14px 4px;border-bottom:1px solid var(--c-border);
  font-size:16px;font-weight:600;color:var(--c-text);
}
.drawer-links a:hover,.drawer-links a.active{color:var(--c-primary-dark)}
.drawer-links a i{font-size:12px;color:var(--c-muted)}
.drawer-cta{margin-top:24px;display:flex;flex-direction:column;gap:10px}

/* 响应式 */
@media screen and (max-width:1024px){
  .desktop-nav{display:none}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
  .hero-grid,.split,.form-layout,.faq-layout{grid-template-columns:1fr;gap:36px}
  .help-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow::before{display:none}
  .faq-side{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .section{padding:72px 0}
}
@media screen and (max-width:640px){
  body{font-size:16px}
  .topbar-inner{justify-content:space-between;gap:10px}
  .tb-note{display:none}
  .tb-actions a.tb-login{display:none}
  .nav-wrap{min-height:66px}
  .brand-text b{font-size:15.5px}
  .hero{padding:60px 0 68px}
  .hero-actions .btn{width:100%}
  .section{padding:54px 0}
  .help-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .form-card,.panel{padding:24px}
  .cta-band{padding:36px 24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-col ul{display:block}
  .accordion .accordion-content{padding:0 18px 20px 50px}
  .accordion .accordion-title{padding:17px 18px;font-size:16px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --c-primary:#14D9B6;
  --c-primary-dark:#0E8F7A;
  --c-accent:#FF6B4A;
  --c-gold:#F5B642;
  --c-dark:#0B1F1A;
  --c-dark-2:#123028;
  --c-bg:#F6F4EF;
  --c-card:#FFFFFF;
  --c-text:#172321;
  --c-muted:#5B6B66;
  --c-border:#DCE6E1;
  --c-success:#2BB673;
  --c-warn:#E4572E;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:10px;
  --sh-1:0 12px 30px rgba(11,31,26,.08);
  --sh-2:0 18px 40px rgba(11,31,26,.12);
  --maxw:1240px;
  --gap:26px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary-dark);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease}
a:hover,a:focus{color:var(--c-accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,h6{margin:0 0 .6em;line-height:1.35;font-weight:800;letter-spacing:-.2px;color:var(--c-text)}
h1{font-size:clamp(32px,4.6vw,56px)}
h2{font-size:clamp(24px,3vw,38px)}
h3{font-size:clamp(19px,2vw,23px)}
h4{font-size:18px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button{font:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(20,217,182,.35);outline-offset:2px;border-radius:8px}
::selection{background:rgba(20,217,182,.28)}

/* ---------- 容器 ---------- */
.grid-container{max-width:var(--maxw);padding-left:22px;padding-right:22px;margin-left:auto;margin-right:auto;width:100%}
.main-wrap{overflow:hidden}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-dark);color:rgba(255,255,255,.78);font-size:13px;line-height:1.5;height:40px;display:flex;align-items:center;position:relative;z-index:60}
.topbar .tb-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%}
.tb-domain{display:inline-flex;align-items:center;gap:8px;color:#fff;letter-spacing:.4px}
.tb-domain i{color:var(--c-primary)}
.tb-note{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.66);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-note i{color:var(--c-gold)}
.tb-actions{display:inline-flex;align-items:center;gap:16px;white-space:nowrap}
.tb-actions a{color:rgba(255,255,255,.78);font-size:13px}
.tb-actions a:hover{color:var(--c-primary)}
.tb-cta{background:var(--c-primary);color:var(--c-dark)!important;font-weight:700;padding:5px 14px;border-radius:999px}
.tb-cta:hover{background:var(--c-accent);color:#fff!important}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:55;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-border);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(11,31,26,.09)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:2px;width:36px;height:36px;padding:5px;background:var(--c-dark);border-radius:11px}
.brand-mark span{background:rgba(255,255,255,.2);border-radius:1px}
.brand-mark span:nth-child(1),.brand-mark span:nth-child(5),.brand-mark span:nth-child(9){background:var(--c-primary)}
.brand-mark span:nth-child(3),.brand-mark span:nth-child(7){background:var(--c-accent)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:16px;font-weight:800;color:var(--c-text);letter-spacing:.2px}
.brand-text i{font-style:normal;font-size:12px;letter-spacing:2.5px;color:var(--c-primary-dark)}
.desktop-nav{display:flex;align-items:center;gap:6px}
.desktop-nav a{position:relative;padding:10px 16px;border-radius:10px;font-size:15px;font-weight:600;color:var(--c-text)}
.desktop-nav a::after{content:"";position:absolute;left:16px;right:16px;bottom:5px;height:2px;border-radius:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.desktop-nav a:hover{background:rgba(20,217,182,.1);color:var(--c-primary-dark)}
.desktop-nav a:hover::after,.desktop-nav a.active::after{transform:scaleX(1)}
.desktop-nav a.active{color:var(--c-primary-dark);background:rgba(20,217,182,.12)}
.nav-cta{display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-border);background:#fff;color:var(--c-text);font-size:18px;align-items:center;justify-content:center}
.menu-toggle:hover{border-color:var(--c-primary);color:var(--c-primary-dark)}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{position:fixed;top:0;left:0;bottom:0;width:300px;max-width:84vw;background:#fff;z-index:90;transform:translateX(-102%);transition:transform .32s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;gap:22px;padding:22px 20px 30px;overflow-y:auto;box-shadow:var(--sh-2)}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{width:40px;height:40px;border-radius:11px;border:1px solid var(--c-border);background:#fff;color:var(--c-muted);font-size:17px}
.drawer-close:hover{border-color:var(--c-accent);color:var(--c-accent)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{padding:13px 14px;border-radius:12px;font-weight:600;font-size:16px;color:var(--c-text);border:1px solid transparent}
.drawer-nav a:hover{background:rgba(20,217,182,.1);border-color:rgba(20,217,182,.35);color:var(--c-primary-dark)}
.drawer-nav a.active{background:rgba(20,217,182,.14);border-color:rgba(20,217,182,.5);color:var(--c-primary-dark)}
.drawer-tip{font-size:13px;color:var(--c-muted);line-height:1.8;border-top:1px solid var(--c-border);padding-top:16px}
.drawer-mask{position:fixed;inset:0;background:rgba(11,31,26,.52);z-index:85;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 28px;border-radius:12px;font-size:16px;font-weight:700;border:1.5px solid transparent;transition:all .22s ease;cursor:pointer;line-height:1.2;text-align:center}
.btn-primary{background:var(--c-primary);color:var(--c-dark);box-shadow:0 10px 22px rgba(20,217,182,.28)}
.btn-primary:hover{background:var(--c-accent);color:#fff;box-shadow:0 14px 28px rgba(255,107,74,.3)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;color:var(--c-primary-dark);border-color:var(--c-primary-dark)}
.btn-ghost:hover{background:var(--c-dark);color:var(--c-primary);border-color:var(--c-dark)}
.btn-ghost:active{transform:scale(.98)}
.btn-light{background:#fff;color:var(--c-dark)}
.btn-light:hover{background:var(--c-gold);color:var(--c-dark)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px}
.btn-lg{padding:16px 34px;font-size:17px}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.3px;background:rgba(20,217,182,.14);color:var(--c-primary-dark);border:1px solid rgba(20,217,182,.35)}
.badge-accent{background:rgba(255,107,74,.12);color:var(--c-accent);border-color:rgba(255,107,74,.32)}
.badge-gold{background:rgba(245,182,66,.16);color:#9A6A06;border-color:rgba(245,182,66,.45)}
.badge-mute{background:rgba(91,107,102,.1);color:var(--c-muted);border-color:var(--c-border)}
.tag-line{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:86px 0 92px;background:linear-gradient(115deg,rgba(11,31,26,.94) 0%,rgba(11,31,26,.82) 45%,rgba(11,31,26,.6) 100%),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;right:-60px;bottom:-80px;width:340px;height:340px;background:radial-gradient(circle,rgba(20,217,182,.35),transparent 68%);pointer-events:none}
.hero .grid-container{position:relative;z-index:2}
.hero h1{color:#fff;margin-bottom:20px}
.hero h1 span{color:var(--c-primary)}
.hero-sub{font-size:17px;line-height:1.9;color:rgba(255,255,255,.78);max-width:660px;margin-bottom:28px}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.75)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .current{color:var(--c-primary)}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 15px;border-radius:999px;background:rgba(20,217,182,.14);border:1px solid rgba(20,217,182,.4);color:var(--c-primary);font-size:13px;font-weight:700;margin-bottom:18px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 26px}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:14.5px;color:rgba(255,255,255,.76)}
.hero-points i{color:var(--c-primary)}
.hero-panel{background:rgba(255,255,255,.97);border-radius:var(--r-lg);padding:26px;box-shadow:0 24px 50px rgba(0,0,0,.28);color:var(--c-text)}
.hero-panel h2{font-size:18px;margin-bottom:6px}
.hero-panel .panel-note{font-size:13px;color:var(--c-muted);margin-bottom:18px}
.panel-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--c-border)}
.panel-list li:last-child{border-bottom:0;padding-bottom:0}
.panel-index{flex:0 0 30px;height:30px;border-radius:9px;background:rgba(20,217,182,.14);color:var(--c-primary-dark);font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center}
.panel-list strong{display:block;font-size:15px;font-weight:700;line-height:1.5;margin-bottom:3px}
.panel-list span{font-size:13px;color:var(--c-muted);line-height:1.7}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:#fff}
.section-dim{background:linear-gradient(180deg,#EFEDE6 0%,var(--c-bg) 100%)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;margin-bottom:42px;flex-wrap:wrap}
.section-head h2{position:relative;padding-left:18px;margin-bottom:6px}
.section-head h2::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:5px;border-radius:3px;background:linear-gradient(180deg,var(--c-primary),var(--c-primary-dark))}
.section-head p{color:var(--c-muted);font-size:15.5px;max-width:640px;margin:0}

/* ---------- 专题卡 ---------- */
.topic-card{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;height:100%;display:flex;flex-direction:column}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-primary)}
.topic-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#0E8F7A,#FF6B4A)}
.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.topic-card:hover .topic-media img{transform:scale(1.05)}
.topic-media .media-badge{position:absolute;left:14px;top:14px;background:rgba(11,31,26,.78);color:#fff;border-radius:999px;padding:5px 13px;font-size:12.5px;font-weight:700;backdrop-filter:blur(4px)}
.topic-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.topic-body h3{font-size:18.5px;margin:0;line-height:1.45}
.topic-body p{font-size:14.5px;color:var(--c-muted);line-height:1.8;margin:0;flex:1}
.topic-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px dashed var(--c-border);padding-top:14px;font-size:13px;color:var(--c-muted)}
.link-more{font-weight:700;font-size:13.5px;display:inline-flex;align-items:center;gap:6px}
.link-more i{transition:transform .22s ease}
.link-more:hover i{transform:translateX(3px)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--c-primary),rgba(20,217,182,.15))}
.timeline li{position:relative;padding:0 0 30px 12px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-34px;top:8px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--c-primary);box-shadow:0 0 0 4px rgba(20,217,182,.14)}
.timeline time{display:inline-block;font-size:12.5px;font-weight:700;color:var(--c-primary-dark);background:rgba(20,217,182,.12);border-radius:999px;padding:3px 12px;margin-bottom:8px}
.timeline h3{font-size:17.5px;margin:0 0 6px}
.timeline p{font-size:14.5px;color:var(--c-muted);margin:0;line-height:1.8}

/* ---------- 频道宫格 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.channel-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;display:flex;flex-direction:column;gap:14px}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-primary)}
.channel-icon{width:52px;height:52px;border-radius:15px;display:flex;align-items:center;justify-content:center;font-size:21px;background:rgba(20,217,182,.13);color:var(--c-primary-dark)}
.channel-card:nth-child(2) .channel-icon{background:rgba(255,107,74,.12);color:var(--c-accent)}
.channel-card:nth-child(3) .channel-icon{background:rgba(245,182,66,.16);color:#9A6A06}
.channel-card h3{font-size:19px;margin:0}
.channel-card p{font-size:14.5px;color:var(--c-muted);line-height:1.8;margin:0;flex:1}
.channel-card .channel-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);border-top:1px dashed var(--c-border);padding-top:14px}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.stat{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-md);padding:26px 22px;box-shadow:var(--sh-1);text-align:left}
.stat b{display:block;font-size:clamp(26px,3vw,36px);font-weight:800;color:var(--c-primary-dark);line-height:1.2;letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.stat span{display:block;font-size:14px;color:var(--c-muted);margin-top:8px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
ul.accordion{background:transparent;border:0;margin:0}
ul.accordion .accordion-item{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;box-shadow:0 6px 18px rgba(11,31,26,.05);transition:border-color .25s ease,box-shadow .25s ease}
ul.accordion .accordion-item:hover{border-color:rgba(20,217,182,.6);box-shadow:var(--sh-1)}
ul.accordion .accordion-item.is-active{border-color:var(--c-primary)}
ul.accordion .accordion-title{position:relative;display:block;padding:19px 56px 19px 54px;font-size:16.5px;font-weight:700;color:var(--c-text);border:0;background:transparent;line-height:1.6}
ul.accordion .accordion-title::before{content:"\f059";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:20px;top:50%;transform:translateY(-50%);color:var(--c-primary-dark);font-size:16px}
ul.accordion .accordion-item.is-active .accordion-title::before{color:var(--c-accent)}
ul.accordion .accordion-title::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--c-muted);font-size:13px;transition:transform .25s ease,color .25s ease}
ul.accordion .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(180deg);color:var(--c-accent)}
ul.accordion .accordion-title:hover{color:var(--c-primary-dark)}
ul.accordion .accordion-content{padding:0 26px 22px 54px;color:var(--c-muted);font-size:15px;line-height:1.85;border:0;background:transparent}
ul.accordion .accordion-item.is-active > .accordion-content{display:block}
.accordion-content a{font-weight:700}

/* ---------- CTA ---------- */
.cta-panel{position:relative;overflow:hidden;background:linear-gradient(120deg,var(--c-dark) 0%,var(--c-dark-2) 100%);border-radius:26px;padding:56px;color:#fff;box-shadow:0 24px 50px rgba(11,31,26,.25)}
.cta-panel::before{content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;background:radial-gradient(circle,rgba(20,217,182,.35),transparent 70%)}
.cta-panel::after{content:"";position:absolute;left:-40px;bottom:-90px;width:240px;height:240px;background:radial-gradient(circle,rgba(255,107,74,.28),transparent 70%)}
.cta-panel .cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center}
.cta-panel h2{color:#fff;margin-bottom:12px}
.cta-panel p{color:rgba(255,255,255,.75);font-size:15.5px;line-height:1.85;margin:0}
.cta-actions{display:flex;flex-direction:column;gap:14px}
.cta-list{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px 24px}
.cta-list li{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.72)}
.cta-list i{color:var(--c-primary)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:44px}
.site-footer .brand-text b{color:#fff}
.site-footer .brand-text i{color:var(--c-primary)}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);margin:18px 0}
.footer-badge{display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--c-primary);border:1px solid rgba(20,217,182,.35);background:rgba(20,217,182,.08);padding:7px 15px;border-radius:999px}
.footer-col h4{color:#fff;font-size:15px;letter-spacing:.6px;margin:0 0 18px}
.footer-col ul li{margin-bottom:12px}
.footer-col a{color:rgba(255,255,255,.7);font-size:14px}
.footer-col a:hover{color:var(--c-primary)}
.footer-contact li{display:flex;gap:11px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.62);margin-bottom:14px}
.footer-contact i{color:var(--c-primary);margin-top:5px;flex:0 0 16px}
.footer-contact a{color:rgba(255,255,255,.72)}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
.fb-links{display:flex;gap:20px;flex-wrap:wrap}
.fb-links a{color:rgba(255,255,255,.6);font-size:13px}
.fb-links a:hover{color:var(--c-primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .desktop-nav{display:none}
  .menu-toggle{display:inline-flex}
  .section{padding:64px 0}
  .hero{padding:64px 0 68px}
  .channel-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .cta-panel{padding:40px}
  .cta-panel .cta-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:640px){
  .grid-container{padding-left:16px;padding-right:16px}
  .tb-note{display:none}
  .topbar{font-size:12.5px}
  .tb-actions{gap:12px}
  .nav-wrap{min-height:66px;gap:14px}
  .brand-text b{font-size:14.5px}
  .brand-text i{font-size:11px;letter-spacing:1.8px}
  .brand-mark{width:32px;height:32px;border-radius:10px}
  .section{padding:52px 0}
  .section-head{margin-bottom:28px}
  .section-head h2{padding-left:14px}
  .hero{padding:52px 0 56px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .hero-points{gap:10px 18px}
  .hero-points li{font-size:13.5px}
  .hero-panel{padding:20px;margin-top:8px}
  .channel-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr;gap:14px}
  .timeline{padding-left:28px}
  .timeline li::before{left:-28px}
  ul.accordion .accordion-title{padding:16px 46px 16px 46px;font-size:15.5px}
  ul.accordion .accordion-title::before{left:16px}
  ul.accordion .accordion-title::after{right:16px}
  ul.accordion .accordion-content{padding:0 18px 18px 46px;font-size:14.5px}
  .cta-panel{padding:28px 20px;border-radius:20px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{padding:13px 22px;font-size:15px}
}