/* roulang page: index */
:root{
  --ink:#0B2420;
  --ink-2:#10312B;
  --ink-3:#164039;
  --lime:#C8F751;
  --lime-dim:rgba(200,247,81,.14);
  --orange:#FF6A2B;
  --gray:#6B7A76;
  --mist:#F5F7F4;
  --white:#FFFFFF;
  --line:#E2E8E4;
  --line-dark:rgba(200,247,81,.18);
  --ok:#2FB57C;
  --warn:#F0B429;
  --err:#E5484D;
  --radius-card:16px;
  --radius-big:20px;
  --radius-btn:14px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(11,36,32,.06),0 8px 24px rgba(11,36,32,.08);
  --shadow-2:0 4px 12px rgba(11,36,32,.10),0 16px 36px rgba(11,36,32,.12);
  --container:1200px;
  --sect:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:28px;
  font-weight:400;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
time,.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--sect) 0;}
.section--mist{background:var(--mist);}
.section--dark{background:var(--ink);color:var(--white);position:relative;overflow:hidden;}
.section--dark::after{
  content:"";position:absolute;right:-60px;bottom:-60px;width:280px;height:280px;
  background:repeating-linear-gradient(45deg,transparent 0 8px,rgba(200,247,81,.06) 8px 10px);
  pointer-events:none;
}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;line-height:20px;letter-spacing:.14em;font-weight:500;
  color:var(--ink);background:var(--lime);border-radius:999px;padding:5px 14px;
  text-transform:uppercase;margin-bottom:16px;
}
.section--dark .eyebrow{color:var(--ink);}
.sec-title{font-size:30px;line-height:40px;font-weight:700;letter-spacing:-.01em;}
.sec-desc{margin-top:14px;font-size:16px;line-height:28px;color:var(--gray);}
.section--dark .sec-desc{color:rgba(245,247,244,.72);}
.sub-title{font-size:22px;line-height:32px;font-weight:700;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;line-height:1;
  padding:14px 24px;
  border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,opacity .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 6px 18px rgba(200,247,81,.28);}
.btn-primary:hover{background:#d6ff67;transform:translateY(-1px);box-shadow:0 10px 24px rgba(200,247,81,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--white);border-color:rgba(245,247,244,.42);}
.btn-ghost:hover{background:rgba(200,247,81,.12);border-color:var(--lime);color:var(--lime);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{background:var(--lime-dim);border-color:var(--lime);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.btn .arrow{transition:transform .18s ease;}
.btn:hover .arrow{transform:translateX(4px);}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0;background:linear-gradient(180deg,rgba(11,36,32,.72),rgba(11,36,32,0));}
.site-header.is-scrolled .nav-card{box-shadow:var(--shadow-2);}
.nav-card{
  display:flex;align-items:center;gap:20px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:18px;
  padding:12px 16px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
  border:1px solid var(--line-dark);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink);}
.nav-menu{display:flex;align-items:center;gap:10px;flex:1 1 auto;min-width:0;}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:12px;
  background:var(--mist);color:var(--ink);
  font-size:14px;font-weight:500;position:relative;
  border:1px solid transparent;
}
.nav-item .ico{font-size:12px;color:var(--gray);line-height:1;}
.nav-item:hover{background:var(--lime-dim);border-color:rgba(200,247,81,.5);}
.nav-item.active{background:var(--lime-dim);color:var(--ink);border-color:rgba(200,247,81,.55);font-weight:700;}
.nav-item.active .ico{color:var(--ink);}
.nav-item.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;background:var(--lime);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;background:var(--mist);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;border:1px solid var(--line);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- hero ---------- */
.hero{
  background:var(--ink);color:var(--white);position:relative;overflow:hidden;
  padding:64px 0 72px;
}
.hero::before{
  content:"";position:absolute;left:-80px;top:-80px;width:340px;height:340px;
  background:repeating-linear-gradient(45deg,transparent 0 9px,rgba(200,247,81,.05) 9px 11px);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:0;top:0;width:46%;height:100%;
  background:radial-gradient(circle at 70% 30%,rgba(200,247,81,.14),transparent 62%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero h1{
  font-size:40px;line-height:48px;font-weight:700;letter-spacing:-.02em;margin:18px 0 0;
}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero-lead{margin-top:20px;font-size:16px;line-height:28px;color:rgba(245,247,244,.76);max-width:540px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.stat-pill{
  display:flex;align-items:center;gap:10px;
  background:rgba(200,247,81,.08);
  border:1px solid var(--line-dark);
  border-radius:999px;padding:9px 18px;
}
.stat-pill b{font-size:17px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums;}
.stat-pill span{font-size:13px;line-height:20px;color:rgba(245,247,244,.7);}
.hero-media{position:relative;border-radius:var(--radius-big);overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.36);border:1px solid var(--line-dark);}
.hero-media img{width:100%;height:400px;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(11,36,32,.35);}
.hero-media .hero-tag{
  position:absolute;z-index:3;left:20px;bottom:20px;right:20px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(11,36,32,.82);border:1px solid var(--line-dark);
  border-radius:14px;padding:12px 16px;backdrop-filter:blur(6px);
}
.hero-media .hero-tag strong{font-size:14px;font-weight:700;color:var(--white);}
.hero-media .hero-tag span{font-size:13px;color:var(--lime);font-variant-numeric:tabular-nums;}

/* ---------- 三步入场 场景分区 ---------- */
.entry-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.entry-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(200,247,81,.6);}
.entry-card img{width:100%;height:160px;object-fit:cover;}
.entry-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.entry-step{font-size:13px;line-height:20px;font-weight:700;color:var(--ink);background:var(--lime);border-radius:999px;padding:3px 12px;display:inline-block;align-self:flex-start;font-variant-numeric:tabular-nums;}
.entry-body h3{font-size:19px;line-height:28px;font-weight:700;}
.entry-body p{font-size:15px;line-height:26px;color:var(--gray);}
.entry-link{margin-top:auto;font-size:14px;font-weight:500;color:var(--ink);display:inline-flex;align-items:center;gap:6px;}
.entry-link .arrow{transition:transform .18s ease;}
.entry-card:hover .entry-link .arrow{transform:translateX(4px);}

/* ---------- 对比表 ---------- */
.compare-wrap{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-big);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.compare-scroller{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.compare{width:100%;border-collapse:collapse;min-width:820px;}
table.compare th,table.compare td{
  padding:16px 18px;text-align:left;font-size:15px;line-height:24px;border-bottom:1px solid var(--line);
}
table.compare thead th{
  position:sticky;top:0;z-index:3;
  background:var(--mist);font-weight:700;font-size:15px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
table.compare thead th.col-dim{width:22%;}
table.compare thead th .th-note{display:block;font-size:13px;font-weight:400;color:var(--gray);margin-top:2px;}
table.compare td:first-child,table.compare th:first-child{
  position:sticky;left:0;z-index:2;background:var(--white);font-weight:500;color:var(--ink);
  border-right:1px solid var(--line);
}
table.compare thead th:first-child{z-index:4;background:var(--mist);}
table.compare tbody tr:nth-child(even) td{background:var(--mist);}
table.compare tbody tr:nth-child(even) td:first-child{background:var(--mist);}
table.compare tbody tr:hover td{background:#EEF4EF;}
table.compare tbody tr:hover td:first-child{background:#EEF4EF;}
th.col-hot,td.col-hot{background:rgba(200,247,81,.2)!important;}
table.compare thead th.col-hot{background:rgba(200,247,81,.34)!important;box-shadow:inset 0 0 0 2px var(--lime);}
table.compare tbody td.col-hot{box-shadow:inset 2px 0 0 var(--lime),inset -2px 0 0 var(--lime);}
table.compare tbody tr:last-child td{box-shadow:none;}
table.compare tbody tr:last-child td.col-hot{box-shadow:inset 2px 0 0 var(--lime),inset -2px 0 0 var(--lime);}
.tag-hot{
  display:inline-block;margin-left:8px;background:var(--orange);color:#fff;
  font-size:12px;line-height:18px;font-weight:700;border-radius:999px;padding:1px 9px;vertical-align:middle;
}
.cell-yes{display:inline-flex;align-items:center;gap:8px;font-weight:500;color:var(--ink);}
.cell-yes::before{content:"✓";color:var(--ink);background:var(--lime);border-radius:50%;width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;font-size:12px;flex:0 0 auto;}
.cell-no{display:inline-flex;align-items:center;gap:8px;color:var(--gray);}
.cell-no::before{content:"—";color:var(--gray);background:var(--mist);border:1px solid var(--line);border-radius:50%;width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;font-size:12px;flex:0 0 auto;}
.compare-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:var(--mist);border-top:1px solid var(--line);
}
.compare-foot p{font-size:14px;line-height:22px;color:var(--gray);max-width:640px;}

/* ---------- 等级编号卡 ---------- */
.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.level-card{
  position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 24px 26px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.level-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.level-card .idx{
  font-size:40px;line-height:1;font-weight:700;color:var(--mist);
  -webkit-text-stroke:1px var(--line);letter-spacing:-.03em;font-variant-numeric:tabular-nums;
}
.level-card h3{margin-top:10px;font-size:22px;line-height:32px;font-weight:700;}
.level-card .lvl-sub{font-size:14px;line-height:22px;color:var(--gray);margin-top:6px;}
.level-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.level-list li{position:relative;padding-left:20px;font-size:15px;line-height:26px;color:var(--ink);}
.level-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--lime);
}
.level-card .level-cta{margin-top:24px;font-size:14px;font-weight:500;display:inline-flex;align-items:center;gap:6px;}
.level-card--hot{
  border:2px solid var(--lime);transform:translateY(-8px);
  box-shadow:0 12px 34px rgba(11,36,32,.14);
}
.level-card--hot:hover{transform:translateY(-12px);}
.level-card--hot .idx{color:rgba(200,247,81,.4);-webkit-text-stroke:1px var(--lime);}
.level-flag{
  position:absolute;top:18px;right:18px;background:var(--orange);color:#fff;
  font-size:12px;line-height:18px;font-weight:700;border-radius:999px;padding:2px 10px;
}

/* ---------- 横向滚动内容带 ---------- */
.strip-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.strip-nav{display:flex;gap:10px;}
.strip-btn{
  width:44px;height:44px;border-radius:50%;background:var(--ink);color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1;
  border:1px solid var(--line-dark);transition:background-color .18s ease,transform .18s ease;
}
.strip-btn:hover{background:var(--ink-3);transform:translateY(-1px);}
.strip-scroller{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(300px,32%);
  gap:20px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.strip-scroller::-webkit-scrollbar{height:8px;}
.strip-scroller::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px;}
.strip-card{
  scroll-snap-align:start;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease;
}
.strip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.strip-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.strip-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.strip-body h3{font-size:17px;line-height:26px;font-weight:700;}
.strip-body p{font-size:14px;line-height:24px;color:var(--gray);}
.strip-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;}
.badge{
  display:inline-flex;align-items:center;font-size:12px;line-height:18px;font-weight:500;
  color:var(--ink);background:var(--lime-dim);border:1px solid rgba(200,247,81,.6);
  border-radius:999px;padding:2px 10px;white-space:nowrap;
}
.badge--gray{background:var(--mist);border-color:var(--line);color:var(--gray);}
.mini-arrow{color:var(--ink);font-size:16px;line-height:1;transition:transform .18s ease;}
.strip-card:hover .mini-arrow{transform:translateX(4px);}

/* ---------- 最新信息 / 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(200,247,81,.6);}
.news-link{display:flex;flex-direction:column;height:100%;}
.news-thumb{position:relative;overflow:hidden;}
.news-thumb img{width:100%;height:180px;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{
  font-size:17px;line-height:26px;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;line-height:24px;color:var(--gray);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px dashed var(--line);}
.news-meta time{font-size:13px;line-height:20px;color:var(--gray);}
.empty-state{
  grid-column:1/-1;border:1px dashed var(--line);border-radius:var(--radius-card);
  background:var(--white);padding:52px 24px;text-align:center;
}
.empty-state .empty-ico{
  width:52px;height:52px;margin:0 auto 16px;border-radius:50%;
  background:var(--mist);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--gray);
}
.empty-state p{font-size:15px;line-height:26px;color:var(--gray);}

/* ---------- 评价 / 证据 ---------- */
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.proof-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:14px;
}
.proof-card .quote{font-size:15px;line-height:27px;color:var(--ink);}
.proof-user{display:flex;align-items:center;gap:12px;margin-top:auto;}
.proof-avatar{
  width:40px;height:40px;border-radius:12px;background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.proof-user strong{display:block;font-size:14px;font-weight:700;}
.proof-user span{display:block;font-size:13px;color:var(--gray);}
.proof-stars{display:flex;gap:3px;color:var(--orange);font-size:13px;letter-spacing:2px;}

/* ---------- FAQ ---------- */
.faq-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-big);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;text-align:left;font-size:16px;line-height:26px;font-weight:500;color:var(--ink);
  position:relative;transition:background-color .18s ease;
}
.faq-q:hover{background:var(--mist);}
.faq-q .mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--mist);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--ink);font-weight:700;
  transition:background-color .2s ease,color .2s ease;
}
.faq-item.is-open .faq-q{background:var(--mist);}
.faq-item.is-open .faq-q .mark{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.faq-item.is-open .faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;background:var(--lime);border-radius:0 4px 4px 0;
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a-inner{padding:0 24px 24px 24px;font-size:15px;line-height:26px;color:var(--gray);}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  background:var(--ink);color:var(--white);border-radius:var(--radius-big);
  padding:44px 40px;position:relative;overflow:hidden;border:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::before{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;
  background:repeating-linear-gradient(45deg,transparent 0 8px,rgba(200,247,81,.07) 8px 10px);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2;max-width:640px;}
.cta-copy h2{font-size:26px;line-height:36px;font-weight:700;}
.cta-copy p{margin-top:12px;font-size:15px;line-height:26px;color:rgba(245,247,244,.74);}
.cta-side{position:relative;z-index:2;display:flex;flex-direction:column;gap:10px;align-items:flex-start;}
.cta-side .hint{font-size:13px;line-height:20px;color:rgba(245,247,244,.6);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(245,247,244,.76);padding:64px 0 0;position:relative;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:transparent;border:1px solid var(--line-dark);color:var(--lime);}
.footer-brand strong{color:var(--white);font-size:17px;font-weight:700;}
.footer-col h3{font-size:14px;line-height:22px;font-weight:500;color:var(--lime);letter-spacing:.06em;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;line-height:22px;color:rgba(245,247,244,.76);}
.footer-col a:hover{color:var(--lime);}
.footer-col p{font-size:14px;line-height:24px;color:rgba(245,247,244,.66);}
.footer-bottom{
  border-top:1px solid rgba(245,247,244,.12);padding:22px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
}
.footer-bottom p,.footer-bottom span{font-size:13px;line-height:20px;color:rgba(245,247,244,.58);}
.footer-bottom .dot{color:var(--lime);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  :root{--sect:76px;}
  .hero-grid{gap:40px;}
  .hero h1{font-size:36px;line-height:46px;}
  .strip-scroller{grid-auto-columns:minmax(288px,40%);}
}
@media (max-width:1023px){
  :root{--sect:64px;}
  .nav-toggle{display:flex;}
  .nav-card{flex-wrap:wrap;}
  .nav-menu{
    order:3;width:100%;display:none;flex-direction:row;flex-wrap:wrap;gap:12px;
    padding-top:14px;margin-top:12px;border-top:1px solid var(--line);
  }
  .nav-menu.is-open{display:flex;}
  .nav-item{flex:1 1 calc(50% - 6px);justify-content:flex-start;padding:14px 16px;background:var(--mist);}
  .nav-item.active::after{display:none;}
  .nav-actions{order:2;margin-left:auto;}
  .hero{padding:48px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{order:2;}
  .hero-media img{height:300px;}
  .hero-lead{max-width:none;}
  .entry-strip{grid-template-columns:1fr;}
  .level-grid{grid-template-columns:1fr;gap:20px;}
  .level-card--hot{transform:none;border-width:1px;border-top:3px solid var(--lime);}
  .level-card--hot:hover{transform:translateY(-4px);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .proof-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .strip-scroller{grid-auto-columns:minmax(268px,58%);}
  .strip-nav{display:none;}
}
@media (max-width:767px){
  :root{--sect:44px;}
  .container{padding:0 18px;}
  .hero h1{font-size:29px;line-height:39px;}
  .sec-title{font-size:24px;line-height:34px;}
  .sub-title{font-size:19px;line-height:29px;}
  .hero-media img{height:210px;}
  .hero-media .hero-tag{flex-direction:column;align-items:flex-start;gap:4px;left:14px;right:14px;bottom:14px;}
  .hero-actions .btn{width:100%;}
  .news-grid{grid-template-columns:1fr;}
  .strip-scroller{grid-auto-columns:minmax(240px,82%);}
  .cta-band{padding:32px 22px;flex-direction:column;align-items:flex-start;}
  .cta-side{width:100%;}
  .cta-side .btn{width:100%;}
  .compare-foot{flex-direction:column;align-items:flex-start;}
  .faq-q{padding:18px;}
  .faq-a-inner{padding:0 18px 20px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  table.compare th,table.compare td{padding:13px 14px;font-size:14px;}
}
@media (max-width:520px){
  .nav-item{flex:1 1 100%;}
  .brand-text{font-size:15px;}
  .stat-pill{width:100%;justify-content:space-between;}
}

/* roulang page: article */
:root{
  --ink:#0B2420;
  --ink-2:#10312B;
  --ink-3:#173E36;
  --lime:#C8F751;
  --lime-soft:rgba(200,247,81,.14);
  --orange:#FF6A2B;
  --gray:#6B7A76;
  --mist:#F5F7F4;
  --white:#FFFFFF;
  --line:#E2E8E4;
  --line-strong:#CFD8D2;
  --line-dark:rgba(200,247,81,.18);
  --ok:#2FB57C;
  --warn:#F0B429;
  --err:#E5484D;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:14px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(11,36,32,.06), 0 8px 24px rgba(11,36,32,.08);
  --sh-2:0 4px 12px rgba(11,36,32,.10), 0 16px 36px rgba(11,36,32,.12);
  --sec:88px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--mist);
  font-weight:400;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;}
a:hover{color:var(--ink-2);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:.2px;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  text-align:center;
}
.btn-primary{background:var(--lime);color:#0B2420;box-shadow:0 6px 18px rgba(200,247,81,.28);}
.btn-primary:hover{background:#D6FA6E;color:#0B2420;transform:translateY(-1px);box-shadow:0 10px 24px rgba(200,247,81,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.42);}
.btn-outline:hover{background:var(--lime-soft);color:#fff;border-color:var(--lime);}
.btn-ghost{background:var(--white);color:var(--ink);border-color:var(--line-strong);}
.btn-ghost:hover{background:var(--mist);border-color:var(--ink);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:12px;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--lime);outline-offset:2px;border-radius:8px;
}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0;background:linear-gradient(180deg,rgba(11,36,32,.94),rgba(11,36,32,.72));backdrop-filter:blur(8px);}
.nav-card{
  display:flex;align-items:center;gap:18px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:18px;
  padding:12px 16px;
  box-shadow:var(--sh-1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--lime);
  border-radius:10px;font-size:16px;font-weight:700;
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.4px;white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 14px;border-radius:12px;
  background:var(--mist);
  border:1px solid transparent;
  border-bottom:2px solid transparent;
  font-size:14.5px;font-weight:500;color:var(--gray);
  transition:all .18s ease;
}
.nav-item .ico{font-style:normal;font-size:11px;color:var(--gray);transition:color .18s ease;}
.nav-item:hover{background:#EDF1EC;color:var(--ink);}
.nav-item:hover .ico{color:var(--ink-2);}
.nav-item.active{
  background:var(--lime-soft);color:var(--ink);
  border-color:rgba(200,247,81,.55);
  border-bottom:2px solid var(--lime);
  font-weight:700;
}
.nav-item.active .ico{color:var(--ink-2);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:4px;
  width:42px;height:38px;padding:0 10px;
  background:var(--mist);border:1px solid var(--line);border-radius:12px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}

/* ---------- Article banner ---------- */
.article-banner{
  position:relative;overflow:hidden;
  background-color:var(--ink);
  background-image:linear-gradient(115deg,rgba(11,36,32,.96) 0%,rgba(11,36,32,.86) 45%,rgba(11,36,32,.62) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  color:#fff;
  padding:56px 0 64px;
}
.article-banner::after{
  content:"";position:absolute;right:0;top:0;width:320px;height:100%;
  background:repeating-linear-gradient(45deg,transparent 0 10px,rgba(200,247,81,.05) 10px 11px);
  pointer-events:none;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.crumb a{color:rgba(255,255,255,.85);}
.crumb a:hover{color:var(--lime);}
.crumb .sep{color:rgba(255,255,255,.38);}
.crumb .here{color:var(--lime);}
.article-head{max-width:860px;position:relative;z-index:2;}
.badge-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;font-weight:500;letter-spacing:.3px;
}
.badge-lime{background:var(--lime);color:#0B2420;}
.badge-line{border:1px solid var(--line-dark);color:rgba(255,255,255,.82);}
.article-banner h1{
  font-size:40px;line-height:1.25;color:#fff;letter-spacing:.3px;
  margin-bottom:18px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:22px;font-size:13.5px;color:rgba(255,255,255,.72);}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{font-style:normal;color:var(--lime);font-size:11px;}

/* ---------- Layout ---------- */
.main-wrap{padding:64px 0 var(--sec);}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:44px;align-items:start;}
.article-main{max-width:760px;min-width:0;}
.surface{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
}
.article-body{padding:44px 48px;}
.article-body h2{
  position:relative;
  font-size:26px;line-height:1.4;
  margin:44px 0 18px;padding-left:16px;
}
.article-body h2:first-child{margin-top:0;}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;
  background:var(--lime);border-radius:2px;
}
.article-body h3{font-size:20px;line-height:1.5;margin:32px 0 12px;color:var(--ink-2);}
.article-body p{font-size:17px;line-height:1.85;color:#243430;margin-bottom:18px;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:2px;}
.article-body li{position:relative;padding-left:20px;font-size:16.5px;line-height:1.85;color:#243430;margin-bottom:9px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:8px;height:8px;background:var(--lime);border-radius:2px;
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;padding-left:30px;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.16em;
  width:20px;height:20px;border-radius:6px;
  background:var(--ink);color:var(--lime);
  font-size:12px;font-weight:700;line-height:20px;text-align:center;
}
.article-body a{color:var(--ink-2);border-bottom:1px solid var(--lime);padding-bottom:1px;}
.article-body a:hover{color:var(--ink);background:var(--lime-soft);}
.article-body img{border-radius:12px;margin:18px 0;border:1px solid var(--line);}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  background:var(--mist);
  border-left:4px solid var(--lime);
  border-radius:0 12px 12px 0;
  color:#31423D;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
}
.article-body thead th{background:var(--mist);font-weight:700;color:var(--ink);text-align:left;}
.article-body th,.article-body td{padding:13px 16px;border-bottom:1px solid var(--line);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body tbody tr:hover{background:#FAFCF9;}
.article-body hr{border:0;border-top:1px dashed var(--line-strong);margin:36px 0;}
.article-body strong{color:var(--ink);font-weight:700;}

/* ---------- Empty state ---------- */
.empty-state{
  text-align:center;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-lg);
  padding:64px 32px;
  background:var(--white);
}
.empty-state .mark{
  width:54px;height:54px;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  border-radius:16px;background:var(--mist);color:var(--gray);font-size:22px;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--gray);font-size:15px;margin-bottom:22px;}

/* ---------- Sidebar TOC ---------- */
.toc{
  position:sticky;top:104px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:20px 18px;
}
.toc-title{
  font-size:12.5px;font-weight:700;letter-spacing:1.4px;
  color:var(--gray);text-transform:uppercase;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.toc-title::before{content:"";width:6px;height:6px;background:var(--lime);border-radius:2px;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;padding:8px 10px;border-left:2px solid transparent;
  font-size:14px;color:var(--gray);border-radius:0 8px 8px 0;
  transition:all .16s ease;line-height:1.5;
}
.toc-list a:hover{color:var(--ink);background:var(--mist);}
.toc-list a.current{color:var(--ink);font-weight:700;border-left-color:var(--lime);background:rgba(200,247,81,.12);}
.toc-note{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line-strong);font-size:12.5px;color:var(--gray);line-height:1.7;}

/* ---------- Footer blocks ---------- */
.article-foot{padding:28px 48px 34px;border-top:1px dashed var(--line-strong);margin-top:0;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.tag{
  display:inline-flex;align-items:center;
  padding:7px 14px;border-radius:999px;
  background:var(--mist);border:1px solid var(--line);
  font-size:13px;color:var(--gray);transition:all .16s ease;
}
.tag:hover{border-color:var(--lime);color:var(--ink);background:rgba(200,247,81,.12);}
.back-links{display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-size:14px;color:var(--gray);}
.back-links a{display:inline-flex;align-items:center;gap:6px;color:var(--ink-2);font-weight:500;}
.back-links a .arrow{transition:transform .18s ease;display:inline-block;}
.back-links a:hover .arrow{transform:translateX(4px);}

/* ---------- Section ---------- */
.section{padding:var(--sec) 0 0;}
.section-head{margin-bottom:36px;max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:1.6px;
  color:var(--gray);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px;}
.section-head h2{font-size:30px;line-height:1.35;}
.section-head p{margin-top:12px;color:var(--gray);font-size:15.5px;}

/* ---------- Related cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--line-strong);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--mist);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-cat{
  position:absolute;left:14px;top:14px;
  padding:5px 12px;border-radius:999px;
  background:var(--lime);color:#0B2420;
  font-size:12px;font-weight:700;
}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:17.5px;line-height:1.5;margin-bottom:10px;transition:color .18s ease;}
.card:hover .card-body h3{color:var(--ink-2);}
.card-body p{font-size:14px;line-height:1.7;color:var(--gray);margin-bottom:16px;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--gray);}
.card-foot .go{display:inline-flex;align-items:center;gap:6px;color:var(--ink-2);font-weight:500;}
.card-foot .go .arrow{transition:transform .18s ease;}
.card:hover .card-foot .go .arrow{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  margin-top:var(--sec);
  background:var(--ink);
  border-radius:24px;
  padding:48px 52px;
  display:flex;align-items:center;gap:36px;justify-content:space-between;
  box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-40px;
  width:280px;height:280px;
  background:repeating-linear-gradient(45deg,transparent 0 12px,rgba(200,247,81,.06) 12px 13px);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:28px;line-height:1.4;margin-bottom:10px;position:relative;z-index:2;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin:0;position:relative;z-index:2;}
.cta-side{position:relative;z-index:2;text-align:right;flex:0 0 auto;}
.cta-side .hint{display:block;margin-top:10px;font-size:12.5px;color:rgba(255,255,255,.55);}

/* ---------- Footer ---------- */
.site-footer{margin-top:var(--sec);background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-col h3{font-size:14px;font-weight:500;color:var(--lime);margin-bottom:16px;letter-spacing:.6px;}
.footer-col p{font-size:13.5px;line-height:1.9;margin:0 0 8px;color:rgba(255,255,255,.66);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:13.5px;color:rgba(255,255,255,.72);transition:color .16s ease;}
.footer-col ul a:hover{color:var(--lime);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(200,247,81,.14);color:var(--lime);}
.footer-brand strong{color:#fff;font-size:16px;letter-spacing:.4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom p{margin:0;}
.footer-bottom .dot{color:var(--lime);margin:0 4px;}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  :root{--sec:72px;}
  .article-body{padding:38px 36px;}
  .article-foot{padding:24px 36px 30px;}
}
@media (max-width:1023px){
  :root{--sec:64px;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-menu{
    position:absolute;left:0;right:0;top:calc(100% + 12px);
    display:none;flex-direction:column;align-items:stretch;gap:10px;
    background:var(--white);border:1px solid var(--line);border-radius:18px;
    padding:16px;box-shadow:var(--sh-2);margin-left:0;
  }
  .nav-menu.open{display:flex;}
  .nav-item{justify-content:flex-start;padding:13px 16px;}
  .nav-card{position:relative;flex-wrap:wrap;}
  .nav-actions{order:3;width:100%;}
  .nav-actions .btn{width:100%;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .toc{position:static;order:-1;}
  .toc-list{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .toc-list a{border-left:0;border:1px solid var(--line);border-radius:999px;padding:7px 14px;}
  .toc-list a.current{border-color:var(--lime);}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .cta-side{text-align:left;width:100%;}
  .cta-side .btn{width:100%;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  .container{padding:0 18px;}
  .article-banner{padding:38px 0 46px;}
  .article-banner h1{font-size:28px;line-height:1.38;}
  .article-body{padding:28px 22px;}
  .article-body h2{font-size:21px;margin:34px 0 14px;}
  .article-body h3{font-size:18px;}
  .article-body p{font-size:16px;line-height:1.8;}
  .article-foot{padding:22px 22px 26px;}
  .section-head h2{font-size:24px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .brand-text{font-size:15px;}
  .cta-band{padding:32px 22px;border-radius:18px;}
  .cta-band h2{font-size:22px;}
  .article-meta{gap:14px;font-size:12.5px;}
}
@media (max-width:519px){
  .article-banner h1{font-size:25px;}
  .badge{font-size:12px;padding:5px 11px;}
  .btn{padding:12px 18px;font-size:14.5px;}
}

/* roulang page: category1 */
:root{
  --ink:#0B2420;
  --ink-2:#10312B;
  --ink-3:#173E36;
  --lime:#C8F751;
  --lime-dark:#9FD41F;
  --lime-soft:#F3FBDD;
  --orange:#FF6A2B;
  --stone:#6B7A76;
  --text-2:#3C4F4A;
  --mist:#F5F7F4;
  --white:#FFFFFF;
  --line:#E2E8E4;
  --line-dark:rgba(200,247,81,.18);
  --ok:#2FB57C;
  --warn:#F0B429;
  --err:#E5484D;
  --radius-sm:12px;
  --radius-card:16px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(11,36,32,.06),0 8px 24px rgba(11,36,32,.08);
  --shadow-2:0 4px 12px rgba(11,36,32,.10),0 16px 36px rgba(11,36,32,.12);
  --section:88px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--mist);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:14px;padding:13px 24px;font-size:15px;font-weight:500;line-height:1;
  border:1px solid transparent;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 6px 18px rgba(200,247,81,.26)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 12px 26px rgba(200,247,81,.36)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(200,247,81,.24)}
.btn-ghost{border-color:rgba(255,255,255,.32);color:#fff}
.btn-ghost:hover{background:rgba(200,247,81,.12);border-color:var(--lime);color:var(--lime);transform:translateY(-1px)}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-outline:hover{border-color:var(--lime-dark);background:var(--lime-soft);transform:translateY(-1px)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:12px}
.btn-lg{padding:17px 34px;font-size:16px;border-radius:14px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:8px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:500;background:var(--lime-soft);color:#3E5A12;border:1px solid rgba(159,212,31,.45);
}
.badge-warn{background:rgba(255,106,43,.1);color:#B84618;border-color:rgba(255,106,43,.28)}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  padding:14px 0;
  background:linear-gradient(180deg,rgba(11,36,32,.97),rgba(11,36,32,.88));
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.nav-card{
  position:relative;z-index:100;
  display:flex;align-items:center;gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:10px 14px;box-shadow:0 10px 30px rgba(11,36,32,.18);
}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:var(--ink);color:var(--lime);font-size:16px;font-weight:700;flex:none;
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:12px;background:var(--mist);
  align-items:center;position:relative;z-index:101;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.22s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.nav-menu{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-item{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:12px;background:var(--mist);
  font-size:14px;font-weight:500;color:var(--ink);transition:.2s;
}
.nav-item .ico{font-style:normal;font-size:11px;color:var(--stone);line-height:1}
.nav-item:hover{background:#EAF2E7;transform:translateY(-1px)}
.nav-item.active{background:#EAF6CF;color:var(--ink);font-weight:700}
.nav-item.active .ico{color:#6E9A10}
.nav-item.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  border-radius:2px;background:var(--lime-dark);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:6px}

/* ============ 内页首屏 ============ */
.page-hero{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  padding:56px 0 76px;
}
.page-hero::before{
  content:"";position:absolute;right:-70px;bottom:-70px;width:340px;height:340px;
  background-image:repeating-linear-gradient(45deg,transparent 0 10px,rgba(200,247,81,.06) 10px 12px);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:-120px;top:-120px;width:300px;height:300px;
  border-radius:50%;background:radial-gradient(circle,rgba(200,247,81,.1),transparent 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.58);margin-bottom:22px}
.crumbs a{transition:color .2s}
.crumbs a:hover{color:var(--lime)}
.crumbs .sep{color:rgba(255,255,255,.28)}
.crumbs .current{color:rgba(255,255,255,.9)}
.page-hero h1{font-size:40px;line-height:1.24;letter-spacing:-.5px;max-width:860px}
.page-hero .lead{
  margin-top:20px;max-width:740px;font-size:17px;line-height:1.82;color:rgba(255,255,255,.76);
}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;
  border:1px solid var(--line-dark);background:rgba(255,255,255,.04);
  font-size:13.5px;color:rgba(255,255,255,.84);
}
.hero-badge b{color:var(--lime);font-weight:700;font-size:15px}

/* ============ 通用板块 ============ */
.section{padding:var(--section) 0}
.section-white{background:#fff}
.section-ink{background:var(--ink);color:#fff}
.section-head{max-width:720px;margin-bottom:36px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:1.6px;color:var(--lime-dark);margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--lime-dark)}
.section-head h2{font-size:30px;line-height:1.34;letter-spacing:-.3px}
.section-head p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--text-2)}
.section-ink .section-head p{color:rgba(255,255,255,.72)}
.section-ink .section-head h2{color:#fff}

/* ============ 目录 + 长内容 ============ */
.doc-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;align-items:start}
.doc-toc{
  position:sticky;top:110px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 16px;box-shadow:var(--shadow-1);
}
.doc-toc h2{font-size:13px;font-weight:700;letter-spacing:1.4px;color:var(--stone);margin-bottom:12px;padding-left:12px}
.toc-toggle{
  display:none;width:100%;align-items:center;justify-content:space-between;
  padding:5px 12px 13px;font-size:14px;font-weight:700;color:var(--ink);
}
.toc-toggle i{font-style:normal;color:var(--stone);transition:transform .22s}
.doc-toc.open .toc-toggle i{transform:rotate(45deg)}
.doc-toc-list{display:grid;gap:4px}
.doc-toc-list a{
  display:block;padding:9px 12px;border-left:2px solid transparent;border-radius:0 10px 10px 0;
  font-size:14px;color:var(--stone);transition:.18s;
}
.doc-toc-list a:hover{background:var(--mist);color:var(--ink)}
.doc-toc-list a.active{background:var(--lime-soft);color:var(--ink);font-weight:500;border-left-color:var(--lime-dark)}

.doc-block{margin-bottom:60px}
.doc-block:last-child{margin-bottom:0}
.doc-block h2{
  position:relative;font-size:26px;line-height:1.36;padding-left:16px;margin-bottom:16px;letter-spacing:-.2px;
}
.doc-block h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--lime-dark);
}
.doc-block > p{font-size:16px;line-height:1.88;color:var(--text-2);margin-bottom:14px}
.doc-block > p:last-child{margin-bottom:0}

/* 对比表 */
.table-wrap{
  margin-top:24px;overflow-x:auto;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);
}
table.compare{width:100%;border-collapse:collapse;min-width:700px;font-size:15px}
.compare thead th{
  position:sticky;top:0;z-index:2;background:#fff;text-align:left;
  padding:18px 20px;font-size:14px;font-weight:700;color:var(--ink);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.compare tbody td{padding:16px 20px;border-bottom:1px solid var(--line);color:var(--text-2);vertical-align:middle}
.compare tbody tr:nth-child(even){background:var(--mist)}
.compare tbody tr:hover{background:#EDF4E9}
.compare tbody tr:last-child td{border-bottom:0}
.compare .cell-dim{font-weight:500;color:var(--ink)}
.compare th.col-rec,.compare td.col-rec{
  background:var(--lime-soft);
  border-left:1px solid rgba(159,212,31,.55);
  border-right:1px solid rgba(159,212,31,.55);
}
.compare tbody tr:nth-child(even) td.col-rec{background:#EEF8D4}
.tag-rec{
  display:inline-block;margin-left:8px;padding:2px 10px;border-radius:999px;
  background:var(--lime-dark);color:#12281F;font-size:12px;font-weight:700;vertical-align:middle;
}
.mark-ok{color:var(--ok);font-weight:700}
.mark-no{color:var(--stone);font-weight:700}
.table-hint{margin-top:12px;font-size:13.5px;color:var(--stone)}

/* 等级卡 */
.tier-list{display:grid;gap:20px;margin-top:26px}
.tier-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 28px 26px 32px;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tier-card::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:4px;border-radius:0 3px 3px 0;background:var(--line);
}
.tier-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(159,212,31,.55)}
.tier-card:hover::before{background:var(--lime)}
.tier-card.is-top{border-color:rgba(159,212,31,.6);box-shadow:var(--shadow-2)}
.tier-card.is-top::before{background:var(--lime-dark)}
.tier-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.tier-no{font-size:13px;font-weight:700;letter-spacing:2px;color:var(--lime-dark)}
.tier-card h3{font-size:21px;line-height:1.4;margin:10px 0 6px}
.tier-for{font-size:14px;color:var(--stone)}
.tier-points{display:grid;gap:10px;margin:18px 0 20px}
.tier-points li{position:relative;padding-left:20px;font-size:15px;line-height:1.8;color:var(--text-2)}
.tier-points li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--lime);
}
.tier-link{font-size:14px;font-weight:500;color:#4C6B14;display:inline-flex;align-items:center;gap:6px;transition:gap .2s,color .2s}
.tier-link:hover{gap:11px;color:#3A520F}

/* 限制说明 */
.limit-list{display:grid;gap:14px;margin-top:22px}
.limit-list li{
  position:relative;padding:17px 20px 17px 50px;background:#fff;
  border:1px solid var(--line);border-radius:14px;font-size:15px;line-height:1.82;color:var(--text-2);
  transition:box-shadow .2s,border-color .2s;
}
.limit-list li:hover{box-shadow:var(--shadow-1);border-color:#D6E0DA}
.limit-list li::before{
  content:"!";position:absolute;left:18px;top:19px;width:20px;height:20px;border-radius:6px;
  display:grid;place-items:center;background:rgba(240,180,41,.18);color:#A97612;
  font-size:12px;font-weight:700;line-height:1;
}
.limit-list li b{color:var(--ink);font-weight:700}

/* ============ 场景图文卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:8px}
.scene-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(159,212,31,.5)}
.scene-card figure{margin:0;aspect-ratio:16/9;overflow:hidden;position:relative}
.scene-card figure::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,36,32,.05),rgba(11,36,32,.35));
}
.scene-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.scene-card:hover img{transform:scale(1.04)}
.scene-body{padding:22px 24px 26px}
.scene-body h3{font-size:19px;line-height:1.45;margin-bottom:8px}
.scene-body p{font-size:15px;line-height:1.82;color:var(--text-2)}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* ============ 流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:8px}
.flow-step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px;box-shadow:var(--shadow-1);transition:transform .22s,box-shadow .22s;
}
.flow-step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.flow-step .step-no{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:12px;
  background:var(--ink);color:var(--lime);font-size:14px;font-weight:700;margin-bottom:16px;
}
.flow-step h3{font-size:17px;line-height:1.5;margin-bottom:8px}
.flow-step p{font-size:14.5px;line-height:1.78;color:var(--text-2)}
.flow-step::after{
  content:"";position:absolute;top:44px;right:-13px;width:24px;height:2px;background:var(--line);
}
.flow-step:last-child::after{display:none}

/* ============ FAQ ============ */
.faq-wrap{
  margin-top:8px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:100%;padding:22px 26px;text-align:left;font-size:16px;font-weight:500;line-height:1.6;
  transition:background .2s,box-shadow .2s;
}
.faq-q:hover{background:var(--mist)}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:var(--mist);color:var(--stone);font-size:15px;line-height:1;transition:.24s;
}
.faq-item.open .faq-q{background:var(--lime-soft);box-shadow:inset 4px 0 0 var(--lime-dark)}
.faq-item.open .faq-icon{background:var(--lime-dark);color:#12281F;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-item.open .faq-a{max-height:360px}
.faq-a p{padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ============ CTA 横幅 ============ */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:66px 0}
.cta-band::before{
  content:"";position:absolute;left:-60px;top:-60px;width:280px;height:280px;
  background-image:repeating-linear-gradient(45deg,transparent 0 10px,rgba(200,247,81,.07) 10px 12px);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;
  gap:34px;flex-wrap:wrap;
}
.cta-copy{max-width:660px}
.cta-copy h2{font-size:28px;line-height:1.4}
.cta-copy p{margin-top:12px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.74)}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.cta-actions .btn-note{font-size:13px;color:rgba(255,255,255,.55)}
.cta-foot{
  position:relative;z-index:1;margin-top:34px;padding-top:20px;
  border-top:1px solid var(--line-dark);font-size:13.5px;color:rgba(255,255,255,.55);
  display:flex;flex-wrap:wrap;gap:18px;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-col h3{font-size:14px;font-weight:500;color:var(--lime);letter-spacing:.4px;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.7);transition:color .2s,padding-left .2s}
.footer-col a:hover{color:var(--lime);padding-left:4px}
.footer-col p{font-size:14.5px;line-height:1.9;margin-bottom:6px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{font-size:17px;color:#fff}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink)}
.footer-col .brand-note{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.65);max-width:330px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 28px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .dot{color:var(--lime-dark);margin:0 6px}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--section:76px}
  .page-hero h1{font-size:36px}
}
@media (max-width:1023px){
  :root{--section:64px}
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;inset:0;z-index:90;display:none;flex-direction:column;gap:12px;
    margin:0;padding:104px 24px 140px;background:var(--ink);overflow-y:auto;
  }
  .nav-menu.open{display:flex}
  .nav-item{
    width:100%;justify-content:flex-start;padding:16px 18px;font-size:16px;
    background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.08);
  }
  .nav-item .ico{color:var(--lime)}
  .nav-item:hover{background:rgba(255,255,255,.1);transform:none}
  .nav-item.active{background:rgba(200,247,81,.16);color:var(--lime);border-color:rgba(200,247,81,.35)}
  .nav-item.active::after{display:none}
  .nav-actions{
    position:fixed;left:0;right:0;bottom:0;z-index:95;display:none;
    padding:18px 24px 26px;margin:0;
    background:linear-gradient(180deg,rgba(11,36,32,0),var(--ink) 42%);
  }
  body.nav-open .nav-actions{display:flex}
  body.nav-open{overflow:hidden}
  .nav-actions .btn{width:100%}
  .doc-layout{grid-template-columns:1fr;gap:26px}
  .doc-toc{position:static;padding:14px 14px 16px}
  .toc-toggle{display:flex}
  .doc-toc-list{display:none}
  .doc-toc.open .doc-toc-list{display:grid}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-step::after{display:none}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media (max-width:767px){
  :root{--section:44px}
  .container{padding:0 18px}
  .page-hero{padding:40px 0 54px}
  .page-hero h1{font-size:28px;line-height:1.38}
  .page-hero .lead{font-size:15.5px;margin-top:16px}
  .hero-badges{gap:9px;margin-top:24px}
  .hero-badge{padding:8px 14px;font-size:13px}
  .section-head h2{font-size:23px}
  .doc-block h2{font-size:21px}
  .doc-block{margin-bottom:44px}
  .scene-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .cta-copy h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .cta-inner{gap:22px}
  .faq-q{padding:18px 18px;font-size:15px}
  .faq-a p{padding:0 18px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .compare thead th:first-child,.compare tbody td:first-child{
    position:sticky;left:0;z-index:3;background:#fff;box-shadow:1px 0 0 var(--line);
  }
  .compare tbody tr:nth-child(even) td:first-child{background:var(--mist)}
  .compare tbody tr:hover td:first-child{background:#EDF4E9}
}
@media (max-width:520px){
  .brand-text{font-size:15px}
  .tier-card{padding:22px 20px 22px 24px}
  .limit-list li{padding:16px 16px 16px 46px}
  .limit-list li::before{left:15px}
}

/* roulang page: category2 */
:root{
  --ink:#0B2420;
  --ink-2:#10312B;
  --ink-3:#0E2A25;
  --lime:#C8F751;
  --lime-soft:rgba(200,247,81,.18);
  --lime-tint:rgba(200,247,81,.30);
  --lime-deep:#A8DD2A;
  --orange:#FF6A2B;
  --gray:#6B7A76;
  --mist:#F5F7F4;
  --white:#FFFFFF;
  --line:#E2E8E4;
  --line-dark:rgba(200,247,81,.18);
  --ok:#2FB57C;
  --warn:#F0B429;
  --err:#E5484D;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:14px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(11,36,32,.06),0 8px 24px rgba(11,36,32,.08);
  --sh-2:0 4px 12px rgba(11,36,32,.10),0 16px 36px rgba(11,36,32,.12);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:28px;
  color:var(--ink);
  background:var(--mist);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--ink);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--ink-2)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.2px}
h1{font-size:40px;line-height:48px}
h2{font-size:30px;line-height:40px}
h3{font-size:22px;line-height:32px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

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

/* ---------- 页头导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding-top:16px;background:linear-gradient(180deg,rgba(245,247,244,.96),rgba(245,247,244,.72) 70%,rgba(245,247,244,0));backdrop-filter:blur(6px)}
.nav-card{
  display:flex;align-items:center;gap:18px;
  background:var(--white);border:1px solid var(--line);border-radius:18px;
  padding:10px 14px;box-shadow:var(--sh-1);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:var(--ink);color:var(--lime);font-weight:700;font-size:17px;letter-spacing:.5px;
}
.brand-text{font-weight:700;font-size:17px;letter-spacing:.2px;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:10px;flex:1 1 auto}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:12px;background:var(--mist);
  font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;position:relative;
  border:1px solid transparent;
}
.nav-item .ico{font-size:11px;color:var(--gray);line-height:1}
.nav-item:hover{background:var(--lime-soft);border-color:rgba(200,247,81,.45)}
.nav-item.active{background:var(--lime-tint);color:var(--ink);border-color:rgba(200,247,81,.7)}
.nav-item.active .ico{color:var(--ink-2)}
.nav-item.active::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;background:var(--lime-deep)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;background:var(--mist);border:1px solid var(--line);flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.nav-card.is-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-card.is-open .nav-toggle span:nth-child(2){opacity:0}
.nav-card.is-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);padding:14px 24px;font-size:15px;font-weight:700;
  border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,filter .18s ease;
  text-align:center;
}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime);box-shadow:0 6px 16px rgba(11,36,32,.16)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-2);color:var(--ink)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:var(--lime-soft);border-color:var(--lime);color:#fff}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{background:var(--lime-soft);border-color:var(--lime);color:var(--ink)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:12px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- 通用标签 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;line-height:20px;font-weight:500;letter-spacing:.5px;
  color:var(--lime);background:rgba(200,247,81,.10);border:1px solid var(--line-dark);
  padding:6px 14px;border-radius:999px;
}
.eyebrow.on-light{color:var(--ink-2);background:var(--lime-tint);border-color:rgba(200,247,81,.7)}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;line-height:20px;font-weight:500;padding:5px 12px;border-radius:999px}
.badge-lime{background:var(--lime-tint);color:var(--ink-2)}
.badge-orange{background:rgba(255,106,43,.14);color:#C14310}
.badge-gray{background:var(--mist);color:var(--gray);border:1px solid var(--line)}
.tag{display:inline-block;font-size:13px;color:var(--gray);background:var(--white);border:1px solid var(--line);border-radius:999px;padding:5px 12px}

/* ---------- 区块 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-dark{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.section-dark::before{
  content:"";position:absolute;top:0;right:0;width:260px;height:260px;
  background:repeating-linear-gradient(45deg,transparent 0 8px,rgba(200,247,81,.05) 8px 9px);
  pointer-events:none;
}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--gray);font-size:16px}
.section-dark .section-head p{color:rgba(255,255,255,.72)}
.section-dark .section-head h2{color:#fff}

/* ---------- 内页首屏 ---------- */
.page-hero{
  background:var(--ink) center/cover no-repeat;
  background-image:linear-gradient(90deg,rgba(11,36,32,.94) 0%,rgba(11,36,32,.82) 55%,rgba(11,36,32,.66) 100%),url("/assets/images/backpic/back-1.webp");
  color:#fff;padding:56px 0 72px;position:relative;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:320px;height:320px;
  background:repeating-linear-gradient(45deg,transparent 0 10px,rgba(200,247,81,.05) 10px 11px);
  pointer-events:none;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:24px}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.5}
.crumb .now{color:var(--lime)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero-copy h1{color:#fff;margin:18px 0 20px}
.hero-lead{font-size:17px;line-height:30px;color:rgba(255,255,255,.78);max-width:600px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.stat{background:rgba(255,255,255,.06);border:1px solid var(--line-dark);border-radius:999px;padding:8px 16px;display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.78)}
.stat b{color:var(--lime);font-size:16px;font-weight:700;font-variant-numeric:tabular-nums}
.hero-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);position:relative}
.hero-media img{width:100%;height:320px;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(11,36,32,.30)}

/* ---------- 登录指引主区 ---------- */
.guide-layout{display:grid;grid-template-columns:1fr 380px;gap:48px;align-items:start}
.panel-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:32px}
.panel-card h2{font-size:22px;line-height:32px;margin-bottom:6px}
.panel-card .sub{font-size:13px;color:var(--gray)}

.steps{margin-top:8px}
.step{display:grid;grid-template-columns:48px 1fr;gap:18px;position:relative;padding-bottom:30px}
.step:last-child{padding-bottom:0}
.step::before{content:"";position:absolute;left:23px;top:48px;bottom:0;width:2px;background:var(--line)}
.step:last-child::before{display:none}
.step-dot{
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:var(--mist);border:1px solid var(--line);color:var(--gray);
  font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
}
.step.is-current .step-dot{background:var(--lime);border-color:var(--lime);color:var(--ink);box-shadow:0 0 0 6px rgba(200,247,81,.16)}
.step-body h3{font-size:18px;line-height:28px;margin-bottom:8px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.step-body p{color:var(--gray);font-size:15px;line-height:26px}
.step-body .mini{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}

.form-stack{display:flex;flex-direction:column;gap:24px;position:sticky;top:112px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:500;color:var(--ink-2);margin-bottom:8px}
.field input{
  width:100%;padding:13px 14px;border-radius:var(--r-input);
  border:1px solid var(--line);background:var(--mist);font-size:15px;
  transition:border-color .18s ease,background-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:#9AA8A4}
.field input:focus{outline:none;border-color:var(--lime-deep);background:var(--white);box-shadow:0 0 0 3px rgba(200,247,81,.25)}
.field.has-error input{border-color:var(--err);background:#FFF6F6}
.field .err-msg{display:none;font-size:12px;line-height:20px;color:var(--err);margin-top:6px}
.field.has-error .err-msg{display:block}
.form-help{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:14px;font-size:13px}
.form-help a{color:var(--ink-2);border-bottom:1px dashed var(--line)}
.form-help a:hover{color:var(--ink);border-bottom-color:var(--lime-deep)}
.form-note{margin-top:16px;font-size:12px;line-height:20px;color:var(--gray)}
.form-alert{display:none;margin-top:16px;font-size:13px;line-height:22px;padding:10px 14px;border-radius:12px;background:rgba(200,247,81,.16);border:1px solid rgba(200,247,81,.6);color:var(--ink-2)}
.form-alert.show{display:block}
.spinner{
  width:14px;height:14px;border-radius:50%;border:2px solid rgba(11,36,32,.25);
  border-top-color:var(--ink);animation:spin .8s linear infinite;display:none;
}
.btn.is-loading .spinner{display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.cover-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.cover-card img{width:100%;height:190px;object-fit:cover}
.cover-card .cap{padding:16px 20px;font-size:13px;line-height:22px;color:var(--gray)}

/* ---------- 准备清单 ---------- */
.prep-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:36px}
.prep-item{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;display:flex;gap:16px;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}
.prep-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(200,247,81,.7)}
.prep-item .pico{width:40px;height:40px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;background:var(--lime-tint);color:var(--ink-2);font-size:16px}
.prep-item h3{font-size:17px;line-height:26px;margin-bottom:6px}
.prep-item p{font-size:14px;line-height:24px;color:var(--gray)}

/* ---------- 安全要点 ---------- */
.safety-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.safety-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.safety-media img{width:100%;height:340px;object-fit:cover}
.check-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15px;line-height:26px;color:var(--gray)}
.check-list li:last-child{border-bottom:0}
.check-list .ck{width:22px;height:22px;flex:0 0 auto;border-radius:6px;background:var(--lime-tint);color:var(--ink);display:grid;place-items:center;font-size:12px;margin-top:2px}
.check-list strong{color:var(--ink);font-weight:500;display:block;margin-bottom:2px;font-size:16px;line-height:26px}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;position:relative;transition:box-shadow .2s ease,border-color .2s ease}
.faq-item:hover{box-shadow:var(--sh-2)}
.faq-item.open{border-color:rgba(200,247,81,.8)}
.faq-q{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:20px 22px 20px 26px;text-align:left;font-size:16px;font-weight:500;line-height:26px;color:var(--ink);position:relative}
.faq-q::before{content:"";position:absolute;left:12px;top:22px;bottom:22px;width:4px;border-radius:4px;background:transparent;transition:background-color .2s ease}
.faq-item.open .faq-q::before{background:var(--lime)}
.faq-q .sign{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--mist);color:var(--ink-2);display:grid;place-items:center;font-size:15px;line-height:1;transition:background-color .2s ease,transform .2s ease}
.faq-item.open .faq-q .sign{background:var(--lime);transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 22px 22px 26px;font-size:15px;line-height:26px;color:var(--gray)}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink-2);border-radius:var(--r-lg);padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;overflow:hidden;box-shadow:var(--sh-2)}
.cta-band::before{content:"";position:absolute;left:-30px;top:-30px;width:200px;height:200px;background:repeating-linear-gradient(45deg,transparent 0 9px,rgba(200,247,81,.05) 9px 10px);pointer-events:none}
.cta-band h2{color:#fff;font-size:26px;line-height:36px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;line-height:26px;max-width:620px}
.cta-right{flex:0 0 auto;text-align:center}
.cta-right .btn{min-width:200px}
.cta-right small{display:block;margin-top:10px;font-size:12px;color:rgba(255,255,255,.55)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;background:repeating-linear-gradient(45deg,transparent 0 10px,rgba(200,247,81,.05) 10px 11px);pointer-events:none}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;position:relative;z-index:1}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand strong{color:#fff;font-size:17px}
.footer-col h3{font-size:14px;font-weight:500;color:var(--lime);margin-bottom:16px;letter-spacing:.4px}
.footer-col p{font-size:14px;line-height:24px;margin-bottom:8px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col ul a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(200,247,81,.18);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);position:relative;z-index:1;
}
.footer-bottom .dot{margin:0 6px;opacity:.6}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  h1{font-size:36px;line-height:46px}
  .guide-layout{grid-template-columns:1fr 340px;gap:36px}
}
@media (max-width:1023px){
  .nav-menu{
    position:absolute;left:0;right:0;top:calc(100% + 12px);
    background:var(--white);border:1px solid var(--line);border-radius:18px;box-shadow:var(--sh-2);
    padding:16px;display:none;grid-template-columns:1fr 1fr;gap:12px;
  }
  .nav-card{position:relative}
  .nav-card.is-open .nav-menu{display:grid}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-item{justify-content:flex-start;padding:12px 14px}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media img{height:260px}
  .guide-layout{grid-template-columns:1fr}
  .form-stack{position:static}
  .safety-grid{grid-template-columns:1fr;gap:32px}
  .safety-media img{height:260px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px}
  .cta-right{width:100%;text-align:left}
  .cta-right .btn{width:100%}
}
@media (max-width:767px){
  .container{padding:0 18px}
  h1{font-size:28px;line-height:38px}
  h2{font-size:24px;line-height:34px}
  h3{font-size:19px;line-height:29px}
  .brand-text{font-size:15px}
  .nav-actions .btn{display:none}
  .nav-menu{grid-template-columns:1fr 1fr}
  .page-hero{padding:40px 0 52px}
  .hero-lead{font-size:16px;line-height:28px}
  .hero-media img{height:200px}
  .section{padding:44px 0}
  .section-tight{padding:36px 0}
  .panel-card{padding:22px}
  .step{grid-template-columns:40px 1fr;gap:14px;padding-bottom:24px}
  .step::before{left:19px;top:40px}
  .step-dot{width:40px;height:40px;font-size:13px}
  .prep-grid{grid-template-columns:1fr;gap:16px}
  .faq-grid{grid-template-columns:1fr;gap:14px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .safety-media img{height:200px}
  .cta-band h2{font-size:22px;line-height:32px}
  .stat{font-size:12px;padding:8px 12px}
}
@media (max-width:519px){
  .hero-btns .btn{width:100%}
  .nav-menu{grid-template-columns:1fr}
  .crumb{font-size:12px}
}