/* roulang page: index */
:root{
  --brand:#0C2E2B;
  --brand-soft:#123B37;
  --lime:#BFE84A;
  --lime-hover:#A9D63A;
  --orange:#FF6A3D;
  --bg:#F5F6F1;
  --surface:#FFFFFF;
  --surface-alt:#EDF1E6;
  --text:#1C211E;
  --text-2:#5F6A63;
  --text-3:#98A29B;
  --border:#E2E7DC;
  --divider:#EAEEE3;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-img:14px;
  --radius-input:12px;
  --shadow-1:0 2px 8px rgba(12,46,43,.06);
  --shadow-2:0 12px 32px rgba(12,46,43,.12);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--lime-hover);}
h1,h2,h3,h4{margin:0;color:var(--brand);font-weight:700;line-height:1.26;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(191,232,74,.75);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 顶部细条 ---------- */
.topbar{background:var(--brand);color:rgba(255,255,255,.78);font-size:13px;line-height:1.4;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding:6px 0;}
.topbar strong{color:#fff;font-weight:600;letter-spacing:.2px;}
.topbar-links{display:flex;gap:18px;}
.topbar-links a{color:rgba(255,255,255,.72);font-size:13px;}
.topbar-links a:hover{color:var(--lime);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease-out,background .2s ease-out;
}
.site-header.is-stuck{box-shadow:var(--shadow-1);}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  background:var(--brand);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.2px;color:var(--brand);white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--lime-hover);}
.nav-search{
  flex:1 1 auto;min-width:320px;max-width:520px;position:relative;
  display:flex;align-items:center;height:46px;
  background:#F1F3EC;border:1px solid transparent;border-radius:999px;
  padding-left:18px;padding-right:4px;
  transition:background .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.nav-search:hover{background:#EAEEE3;}
.nav-search:focus-within{background:#fff;border-color:var(--lime);box-shadow:0 4px 14px rgba(12,46,43,.08);}
.nav-search > i{color:var(--text-2);font-size:15px;flex:0 0 auto;}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;outline:none;
  height:100%;padding:0 12px;font-size:15px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  width:38px;height:38px;flex:0 0 auto;border:0;border-radius:999px;
  background:var(--lime);color:var(--brand);font-size:14px;cursor:pointer;
  transition:background .18s ease-out,transform .18s ease-out;
}
.nav-search button:hover{background:var(--lime-hover);transform:translateY(-1px);}
.nav-search button:active{transform:translateY(0);}
.nav-menu{display:flex;align-items:center;gap:20px;flex:0 0 auto;}
.nav-menu a{position:relative;font-size:15px;font-weight:500;color:var(--brand);padding:6px 0;white-space:nowrap;}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transition:transform .18s ease-out;
}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1);}
.nav-menu a.active{font-weight:600;}
.nav-cta{flex:0 0 auto;padding:10px 22px;font-size:15px;}
.nav-toggle,.search-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:12px;
  background:#fff;color:var(--brand);font-size:16px;cursor:pointer;flex:0 0 auto;
}
.nav-toggle:hover,.search-toggle:hover{border-color:var(--lime);color:var(--lime-hover);}
.mobile-search{display:none;padding:0 0 14px;}
.mobile-search.is-open{display:block;}
.mobile-search .nav-search{max-width:none;min-width:0;width:100%;}

/* ---------- 抽屉菜单 ---------- */
.drawer{
  position:fixed;inset:0;z-index:1060;background:rgba(12,46,43,.45);
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(88vw,360px);height:100%;
  background:#fff;padding:20px;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .22s ease-out;overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--divider);}
.drawer-close{width:38px;height:38px;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--brand);cursor:pointer;}
.drawer-nav{display:flex;flex-direction:column;margin:8px 0 20px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 2px;font-size:16px;color:var(--brand);border-bottom:1px solid var(--divider);
}
.drawer-nav a i{color:var(--text-3);font-size:13px;}
.drawer-nav a.active{color:var(--lime-hover);font-weight:600;}
.drawer-cta{width:100%;justify-content:center;}

/* ---------- 按钮 ---------- */
.btn-lime,.btn-ghost,.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;font-size:16px;line-height:1.2;
  padding:13px 30px;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease-out,background .18s ease-out,box-shadow .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn-lime{background:var(--lime);border-color:var(--lime);color:var(--brand);}
.btn-lime:hover{background:var(--lime-hover);border-color:var(--lime-hover);color:var(--brand);transform:translateY(-1px);box-shadow:0 10px 24px rgba(12,46,43,.16);}
.btn-lime:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.7);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-1px);}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-1px);}
.btn-lg{padding:15px 36px;font-size:16px;}
.btn-lime:disabled,.btn-ghost:disabled,.btn-outline:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:620px;display:flex;align-items:center;
  padding:110px 0 72px;color:#fff;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(12,46,43,.78) 0%,rgba(12,46,43,.38) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-inner{display:flex;align-items:flex-end;justify-content:space-between;gap:48px;position:relative;z-index:2;}
.hero-copy{max-width:720px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(191,232,74,.16);border:1px solid rgba(191,232,74,.5);
  color:var(--lime);font-size:13px;font-weight:600;letter-spacing:.3px;
  padding:6px 16px;border-radius:999px;margin-bottom:22px;
}
.hero h1{font-size:48px;font-weight:800;color:#fff;line-height:1.22;letter-spacing:-.4px;}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;}
.hero-tags span{
  font-size:13px;color:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:6px 16px;
  transition:border-color .18s ease-out,color .18s ease-out;
}
.hero-tags span:hover{border-color:var(--lime);color:var(--lime);}
.score-card{
  flex:0 0 auto;width:272px;padding:22px 24px;
  background:rgba(12,46,43,.62);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius-lg);
}
.score-card h2{font-size:14px;font-weight:600;color:rgba(255,255,255,.7);letter-spacing:.4px;margin-bottom:14px;}
.score-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.16);}
.score-row:last-child{border-bottom:0;padding-bottom:0;}
.score-num{font-size:26px;font-weight:800;color:var(--lime);letter-spacing:-.5px;}
.score-label{font-size:13px;color:rgba(255,255,255,.72);}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--surface-alt);}
.section-dark{background:var(--brand);color:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-title{font-size:32px;font-weight:700;letter-spacing:-.3px;}
.section-dark .section-title{color:#fff;}
.section-kicker{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--lime-hover);margin-bottom:10px;
}
.section-dark .section-kicker{color:var(--lime);}
.section-note{margin-top:12px;font-size:15px;color:var(--text-2);line-height:1.8;max-width:600px;}
.section-dark .section-note{color:rgba(255,255,255,.66);}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand);white-space:nowrap;}
.link-more i{transition:transform .18s ease-out;font-size:13px;}
.link-more:hover i{transform:translateX(3px);}
.section-dark .link-more{color:var(--lime);}

/* ---------- 玩法介绍 ---------- */
.play-aside{position:sticky;top:104px;align-self:flex-start;}
.play-aside .section-title{font-size:30px;}
.play-list{display:flex;flex-direction:column;}
.play-item{
  display:grid;grid-template-columns:64px 1fr;gap:18px;
  padding:26px 20px 26px 0;border-bottom:1px solid var(--divider);
  transition:transform .18s ease-out;
}
.play-item:first-child{padding-top:8px;}
.play-item:hover{transform:translateX(2px);}
.play-item:hover .play-num{background:var(--brand);color:var(--lime);}
.play-num{
  width:52px;height:52px;border-radius:14px;background:var(--surface-alt);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;letter-spacing:-.5px;
  transition:background .18s ease-out,color .18s ease-out;
}
.play-item h3{font-size:22px;margin-bottom:8px;}
.play-item p{font-size:15px;color:var(--text-2);line-height:1.85;max-width:620px;}

/* ---------- 奖励轨道 ---------- */
.reward-track-wrap{position:relative;padding:0 0 8px;}
.reward-track-wrap::before,.reward-track-wrap::after{
  content:"";position:absolute;top:0;bottom:8px;width:56px;z-index:2;pointer-events:none;
}
.reward-track-wrap::before{left:0;background:linear-gradient(90deg,var(--surface-alt),rgba(237,241,230,0));}
.reward-track-wrap::after{right:0;background:linear-gradient(270deg,var(--surface-alt),rgba(237,241,230,0));}
.reward-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 24px 20px;scrollbar-width:none;
}
.reward-track::-webkit-scrollbar{display:none;}
.reward-card{
  flex:0 0 auto;width:280px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:14px;box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.reward-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.reward-cover{position:relative;border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/9;background:var(--surface-alt);}
.reward-cover img{width:100%;height:100%;object-fit:cover;}
.reward-badge{
  position:absolute;left:10px;top:10px;font-size:12px;font-weight:600;
  background:var(--lime);color:var(--brand);border-radius:999px;padding:3px 12px;
}
.reward-badge.is-orange{background:var(--orange);color:#fff;}
.reward-card h3{font-size:18px;margin:14px 0 6px;}
.reward-card p{font-size:14px;color:var(--text-2);line-height:1.7;}
.reward-progress{height:6px;border-radius:999px;background:var(--surface-alt);margin:14px 0 8px;overflow:hidden;}
.reward-progress span{display:block;height:100%;background:var(--lime);border-radius:999px;}
.reward-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--text-3);}

/* ---------- 任务进度 ---------- */
.task-panel{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);padding:36px;
}
.task-head{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px;}
.task-total{text-align:right;}
.task-total-num{display:block;font-size:40px;font-weight:800;color:var(--lime);line-height:1.1;letter-spacing:-1px;}
.task-total span{font-size:13px;color:rgba(255,255,255,.66);}
.task-row{padding:16px 0;border-top:1px solid rgba(255,255,255,.12);}
.task-line{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px;}
.task-name{font-size:16px;color:#fff;font-weight:500;}
.task-right{display:flex;align-items:center;gap:14px;}
.status-pill{font-size:12px;font-weight:600;border-radius:999px;padding:3px 12px;white-space:nowrap;}
.status-done{background:var(--lime);color:var(--brand);}
.status-doing{background:rgba(255,106,61,.18);color:var(--orange);border:1px solid rgba(255,106,61,.5);}
.status-idle{background:rgba(255,255,255,.1);color:rgba(255,255,255,.62);}
.task-percent{font-size:15px;font-weight:700;color:#fff;min-width:48px;text-align:right;}
.task-bar{height:8px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden;}
.task-bar span{display:block;height:100%;background:var(--lime);border-radius:999px;}

/* ---------- CTA 区 ---------- */
.cta-band{padding-top:0;}
.cta-card{
  position:relative;overflow:hidden;text-align:center;
  background:var(--brand);border-radius:var(--radius-lg);padding:64px 32px;
}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 18px);
  pointer-events:none;
}
.cta-card > *{position:relative;z-index:2;}
.cta-card h2{color:#fff;font-size:32px;}
.cta-card p{margin:16px auto 0;max-width:620px;font-size:15px;color:rgba(255,255,255,.72);line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px;}
.cta-hint{margin-top:22px;font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- 最新信息 ---------- */
.info-card{
  height:100%;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.info-link{display:flex;flex-direction:column;height:100%;color:inherit;}
.info-link:hover{color:inherit;}
.info-cover{aspect-ratio:16/9;background:var(--surface-alt);overflow:hidden;}
.info-cover img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out;}
.info-card:hover .info-cover img{transform:scale(1.02);}
.info-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.info-cat{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand);
  background:var(--surface-alt);border-radius:999px;padding:3px 12px;margin-bottom:12px;
}
.info-title{
  font-size:18px;line-height:1.5;color:var(--brand);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-desc{
  margin-top:10px;font-size:15px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.info-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}
.info-arrow{color:var(--brand);transition:transform .18s ease-out;}
.info-card:hover .info-arrow{transform:translateX(3px);}
.empty-state{
  text-align:center;padding:64px 24px;background:var(--surface);
  border:1px dashed var(--border);border-radius:var(--radius-card);
}
.empty-state i{font-size:32px;color:var(--text-3);}
.empty-state p{margin-top:14px;font-size:15px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{max-width:920px;}
.faq-item{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-card);margin-bottom:12px;overflow:hidden;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.faq-item:hover{border-color:#D3DBC8;box-shadow:var(--shadow-1);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 60px 20px 24px;font-size:17px;font-weight:600;color:var(--brand);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--lime-hover);line-height:1;
}
.faq-item[open] summary::after{content:"–";}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--brand);color:rgba(255,255,255,.62);font-size:14px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--lime);}
.footer-top{padding:64px 0 40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-mark{background:var(--lime);color:var(--brand);}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:320px;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-list li{margin-bottom:11px;}
.footer-list a{color:rgba(255,255,255,.62);font-size:14px;}
.footer-list a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-menu{gap:14px;}
  .nav-menu a{font-size:14px;}
  .nav-search{max-width:420px;}
  .hero h1{font-size:42px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .section-title{font-size:26px;}
  .nav-menu,.nav-cta,.site-header .nav-search{display:none;}
  .nav-toggle,.search-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-inner{justify-content:space-between;gap:12px;}
  .hero{min-height:540px;padding:92px 0 56px;}
  .hero-inner{flex-direction:column;align-items:flex-start;gap:32px;}
  .hero h1{font-size:32px;}
  .hero-copy{max-width:100%;}
  .score-card{width:100%;max-width:420px;}
  .play-aside{position:static;margin-bottom:32px;}
  .cta-card{padding:48px 22px;}
  .cta-card h2{font-size:26px;}
  .task-panel{padding:26px 20px;}
  .task-total{text-align:left;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:28px;}
  .section-title{font-size:24px;}
  .hero h1{font-size:30px;line-height:1.3;}
  .hero-sub{font-size:16px;}
  .hero-actions{width:100%;}
  .hero-actions .btn-lime,.hero-actions .btn-ghost{flex:1 1 auto;justify-content:center;}
  .play-item{grid-template-columns:48px 1fr;gap:14px;padding:20px 0;}
  .play-num{width:44px;height:44px;font-size:15px;border-radius:12px;}
  .play-item h3{font-size:19px;}
  .reward-track{padding-left:16px;padding-right:16px;}
  .reward-card{width:250px;}
  .task-line{flex-direction:column;align-items:flex-start;gap:10px;}
  .task-right{width:100%;justify-content:space-between;}
  .info-title{font-size:17px;}
  .footer-top{padding:48px 0 28px;}
}
@media (max-width:575px){
  .topbar-links{display:none;}
  .hero{padding-top:84px;}
  .cta-actions .btn-lime,.cta-actions .btn-ghost{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --ink:#0C2E2B;
  --ink-2:#123B37;
  --lime:#BFE84A;
  --lime-hover:#A9D63A;
  --orange:#FF6A3D;
  --bg:#F5F6F1;
  --alt:#EDF1E6;
  --surface:#FFFFFF;
  --text:#1C211E;
  --text-2:#5F6A63;
  --text-3:#98A29B;
  --line:#E2E7DC;
  --line-2:#EAEEE3;
  --r-card:16px;
  --r-block:20px;
  --r-img:14px;
  --r-input:12px;
  --sh-1:0 2px 8px rgba(12,46,43,.06);
  --sh-2:0 12px 32px rgba(12,46,43,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease),transform .18s var(--ease)}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4{line-height:1.28;margin:0;color:var(--ink);font-weight:700}
p{margin:0 0 1.2em}
ul,ol{margin:0}
.num,.tabular{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:8px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--lime);color:var(--ink);padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* ============ 顶部细条 ============ */
.topbar{background:var(--ink);color:rgba(245,246,241,.86);font-size:13px;line-height:1.5}
.topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.topbar-brand{display:inline-flex;align-items:center;gap:8px;color:#F5F6F1;font-weight:600;white-space:nowrap}
.topbar-brand i{color:var(--lime)}
.topbar-links{display:inline-flex;align-items:center;gap:18px}
.topbar-links a{color:rgba(245,246,241,.75)}
.topbar-links a:hover{color:var(--lime)}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s var(--ease)}
.site-header.scrolled{box-shadow:0 6px 24px rgba(12,46,43,.08)}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;max-height:34px}
.brand-mark{width:30px;height:30px;border-radius:10px;background:var(--ink);color:var(--lime);display:inline-flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);white-space:nowrap;letter-spacing:.2px}
.brand-text em{font-style:normal;color:var(--lime-hover)}
.brand:hover .brand-mark{background:var(--ink-2)}
.nav-search{
  flex:1 1 auto;max-width:520px;min-width:320px;height:46px;
  display:flex;align-items:center;gap:10px;
  background:#F1F3EC;border:1px solid transparent;border-radius:999px;
  padding:0 6px 0 18px;transition:background-color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease)
}
.nav-search:hover{background:#E9EDE2}
.nav-search:focus-within{background:#fff;border-color:var(--lime);box-shadow:var(--sh-1)}
.nav-search .search-icon{color:var(--text-3);font-size:15px}
.nav-search .search-input{flex:1 1 auto;min-width:0;border:0;background:transparent;padding:0;font-size:15px;outline:none}
.nav-search .search-input::placeholder{color:var(--text-3)}
.nav-search .search-btn{
  width:36px;height:36px;border-radius:999px;background:var(--lime);color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;
  transition:background-color .18s var(--ease),transform .18s var(--ease)
}
.nav-search .search-btn:hover{background:var(--lime-hover);transform:translateX(1px)}
.nav-menu{display:flex;align-items:center;gap:22px;flex-shrink:0}
.nav-menu a{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;white-space:nowrap}
.nav-menu a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.nav-menu a:hover{color:var(--ink-2)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{font-weight:600}
.nav-actions-mobile{display:none;align-items:center;gap:6px;margin-left:auto}
.icon-btn{width:42px;height:42px;border-radius:12px;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;font-size:17px;border:1px solid var(--line);transition:background-color .18s var(--ease)}
.icon-btn:hover{background:var(--alt)}
.mobile-search{display:none;background:#fff;border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.mobile-search.open{max-height:110px}
.mobile-search .container{padding-top:12px;padding-bottom:14px}
.mobile-search .nav-search{max-width:none;min-width:0;width:100%}
.drawer-mask{position:fixed;inset:0;background:rgba(12,46,43,.42);opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s;z-index:120}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;width:min(330px,86vw);height:100%;background:#fff;z-index:130;
  transform:translateX(102%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;padding:22px 20px 26px;overflow-y:auto
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line-2)}
.drawer-title{font-size:15px;font-weight:700;color:var(--ink)}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:15px 2px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line-2)}
.drawer-nav a i{font-size:12px;color:var(--text-3);transition:transform .18s var(--ease),color .18s var(--ease)}
.drawer-nav a:hover i{transform:translateX(3px);color:var(--lime-hover)}
.drawer-cta{margin-top:22px;justify-content:center}

/* ============ 按钮 ============ */
.btn-lime,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 36px;border-radius:999px;font-size:16px;font-weight:600;
  transition:background-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease)
}
.btn-lime{background:var(--lime);color:var(--ink);border:1px solid var(--lime)}
.btn-lime:hover{background:var(--lime-hover);border-color:var(--lime-hover);transform:translateY(-1px);box-shadow:0 10px 24px rgba(12,46,43,.14)}
.btn-lime:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid rgba(12,46,43,.28)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(12,46,43,.05);transform:translateY(-1px)}
.btn-ghost.is-light{color:#F5F6F1;border-color:rgba(245,246,241,.45)}
.btn-ghost.is-light:hover{background:rgba(245,246,241,.1);border-color:#F5F6F1}
.btn-sm{height:42px;padding:0 22px;font-size:15px}
button:disabled,.btn-lime[aria-disabled="true"]{opacity:.55;cursor:not-allowed;transform:none}

/* ============ 徽章 / 标签 ============ */
.badge-lime{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;background:var(--lime);color:var(--ink);font-size:13px;font-weight:600;line-height:1.6}
.badge-line{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;border:1px solid rgba(245,246,241,.4);color:#F5F6F1;font-size:13px;font-weight:500;line-height:1.6}
.badge-orange{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:rgba(255,106,61,.12);color:#D8491F;font-size:13px;font-weight:600;line-height:1.6}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;color:#F5F6F1;padding:56px 0 64px;
  background-image:linear-gradient(180deg,rgba(12,46,43,.9),rgba(12,46,43,.72)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center
}
.article-hero::after{content:"";position:absolute;inset:auto 0 0 0;height:3px;background:linear-gradient(90deg,var(--lime),rgba(191,232,74,0))}
.breadcrumb-nav{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(245,246,241,.66);margin-bottom:22px}
.breadcrumb-nav a{color:rgba(245,246,241,.82)}
.breadcrumb-nav a:hover{color:var(--lime)}
.breadcrumb-nav .sep{color:rgba(245,246,241,.35)}
.breadcrumb-nav .current{color:rgba(245,246,241,.6);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero .badge-lime{margin-bottom:16px}
.article-title{
  color:#F5F6F1;font-size:clamp(30px,3.6vw,48px);font-weight:800;line-height:1.24;
  max-width:900px;margin:0 0 20px;letter-spacing:-.2px
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:14px;color:rgba(245,246,241,.76)}
.article-meta i{margin-right:6px;color:var(--lime)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(245,246,241,.4)}
.article-cover{margin:36px 0 0;border-radius:var(--r-img);overflow:hidden;border:1px solid rgba(245,246,241,.16)}
.article-cover img{width:100%;max-height:420px;object-fit:cover;aspect-ratio:16/9}

/* ============ 正文区 ============ */
.article-section{padding:64px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,800px) 200px;gap:56px;justify-content:center;align-items:start}
.article-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-block);padding:44px 48px;box-shadow:var(--sh-1)}
.article-body{font-size:17px;line-height:1.9;color:var(--text);word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body > *:last-child{margin-bottom:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:clamp(24px,2.4vw,32px);font-weight:700;color:var(--ink);
  margin:2.1em 0 .85em;padding-left:12px;border-left:3px solid var(--lime);line-height:1.32
}
.article-body h3{font-size:22px;font-weight:700;color:var(--ink);margin:1.8em 0 .7em;line-height:1.36}
.article-body h4{font-size:18px;font-weight:700;color:var(--ink);margin:1.6em 0 .6em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding:0}
.article-body ul li{position:relative;list-style:none;padding-left:20px;margin-bottom:.55em}
.article-body ul li::before{content:"";position:absolute;left:0;top:.74em;width:8px;height:8px;border-radius:2px;background:var(--lime)}
.article-body ol{list-style:none;counter-reset:art-ol}
.article-body ol li{position:relative;counter-increment:art-ol;padding-left:38px;margin-bottom:.6em}
.article-body ol li::before{
  content:counter(art-ol,decimal-leading-zero);position:absolute;left:0;top:.18em;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink);
  background:var(--lime);border-radius:999px;padding:2px 8px;line-height:1.4
}
.article-body blockquote{
  margin:1.7em 0;padding:16px 20px;background:var(--alt);
  border-left:3px solid var(--lime);border-radius:0 var(--r-input) var(--r-input) 0;
  font-size:15px;line-height:1.9;color:var(--text-2)
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15px;font-variant-numeric:tabular-nums}
.article-body thead th{background:var(--ink);color:#F5F6F1;font-weight:600;text-align:left;padding:12px 16px;border:0}
.article-body thead th:first-child{border-radius:12px 0 0 0}
.article-body thead th:last-child{border-radius:0 12px 0 0}
.article-body tbody td{padding:12px 16px;border-bottom:1px solid var(--line-2);color:var(--text)}
.article-body tbody tr:nth-child(even){background:var(--alt)}
.article-body figure{margin:1.8em 0}
.article-body img{border-radius:var(--r-img);margin:1.5em 0;max-width:100%;height:auto}
.article-body figure img{margin:0}
.article-body figcaption{font-size:13px;color:var(--text-3);margin-top:8px;text-align:left;line-height:1.7}
.article-body a{color:var(--ink);border-bottom:1px solid var(--lime);font-weight:500}
.article-body a:hover{color:var(--ink-2);border-bottom-color:var(--lime-hover)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-body strong{font-weight:600;color:var(--ink)}
.article-body code{background:var(--alt);border-radius:8px;padding:2px 8px;font-size:15px}

/* 空态 */
.empty-state{text-align:center;padding:56px 20px;background:var(--alt);border-radius:var(--r-card)}
.empty-state i{font-size:30px;color:var(--text-3);margin-bottom:14px;display:block}
.empty-state p{font-size:17px;color:var(--text-2);margin-bottom:22px}

/* 目录 */
.toc{position:sticky;top:96px;padding-left:18px;border-left:1px solid var(--line)}
.toc-title{font-size:13px;font-weight:600;color:var(--text-3);letter-spacing:.6px;margin-bottom:12px}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;font-size:14px;line-height:1.7;color:var(--text-2);
  padding:6px 0 6px 12px;border-left:3px solid transparent;margin-left:-19px;
  transition:color .18s var(--ease),border-color .18s var(--ease)
}
.toc-list a:hover{color:var(--ink)}
.toc-list a.current{color:var(--ink);font-weight:600;border-left-color:var(--lime)}

/* ============ 标签与返回 ============ */
.article-foot{background:var(--alt);padding:40px 0 56px;border-top:1px solid var(--line)}
.tag-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag-row .label{font-size:14px;color:var(--text-2);margin-right:4px}
.tag{display:inline-flex;align-items:center;padding:7px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:14px;color:var(--ink);transition:border-color .18s var(--ease),background-color .18s var(--ease),transform .18s var(--ease)}
.tag:hover{border-color:var(--lime);background:rgba(191,232,74,.16);transform:translateY(-1px)}
.foot-actions{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;border-top:1px solid var(--line)}
.share-row{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2)}
.share-row .share-btn{width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;font-size:15px;transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease)}
.share-row .share-btn:hover{border-color:var(--lime);color:var(--ink-2);transform:translateY(-2px)}

/* ============ 通用区块头 ============ */
.section{padding:88px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.4vw,32px);font-weight:700}
.section-head p{font-size:15px;color:var(--text-2);margin:10px 0 0;max-width:640px}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--ink);white-space:nowrap}
.link-more i{transition:transform .18s var(--ease)}
.link-more:hover i{transform:translateX(3px)}
.link-more:hover{color:var(--ink-2)}

/* ============ 相关推荐 ============ */
.related{background:var(--bg);padding:80px 0}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);height:100%;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease)
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6DECB}
.post-card .thumb{position:relative;aspect-ratio:16/9;background:var(--alt);overflow:hidden}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.post-card:hover .thumb img{transform:scale(1.03)}
.post-card .thumb .placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:26px}
.post-card .card-body{padding:20px 22px 18px;display:flex;flex-direction:column;flex:1 1 auto}
.post-card .card-title{font-size:18px;font-weight:700;color:var(--ink);line-height:1.5;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .card-desc{font-size:15px;line-height:1.8;color:var(--text-2);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-card .card-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);border-top:1px solid var(--line-2);margin-top:18px}
.post-card .card-foot i{transition:transform .18s var(--ease)}
.post-card:hover .card-foot i{transform:translateX(3px);color:var(--lime-hover)}

/* ============ CTA ============ */
.cta-band{
  position:relative;background:var(--ink);color:#F5F6F1;padding:80px 0;overflow:hidden
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(191,232,74,.07) 0 2px,transparent 2px 26px);
  pointer-events:none
}
.cta-inner{position:relative;text-align:center;max-width:760px;margin:0 auto}
.cta-inner h2{color:#F5F6F1;font-size:clamp(24px,2.6vw,32px)}
.cta-inner p{color:rgba(245,246,241,.72);font-size:16px;margin:16px 0 0}
.cta-actions{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;margin-top:34px}
.cta-note{font-size:13px;color:rgba(245,246,241,.5);margin-top:22px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#F5F6F1;position:relative;padding-top:64px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--lime)}
.footer-top{padding-bottom:44px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(191,232,74,.14);color:var(--lime)}
.footer-brand .brand-text{color:#F5F6F1;font-size:17px;font-weight:800;white-space:nowrap}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:0;max-width:340px}
.footer-title{font-size:15px;font-weight:600;color:#F5F6F1;margin-bottom:16px}
.footer-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
.footer-list a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-list a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;
  font-size:13px;color:rgba(255,255,255,.5)
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:999px;
  background:var(--lime);color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;box-shadow:0 10px 24px rgba(12,46,43,.18);opacity:0;visibility:hidden;
  transform:translateY(8px);transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;z-index:90
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--lime-hover)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;justify-content:stretch}
  .toc{display:none}
  .nav-menu{gap:18px}
  .nav-menu a{font-size:14px}
}
@media (max-width:991.98px){
  body{font-size:16px}
  .nav-inner{height:64px;gap:14px}
  .nav-search,.nav-menu{display:none}
  .nav-actions-mobile{display:flex}
  .mobile-search{display:block}
  .brand-text{font-size:16px}
  .section{padding:72px 0}
  .article-hero{padding:40px 0 48px}
  .article-panel{padding:32px 26px;border-radius:var(--r-card)}
  .article-section{padding:44px 0 52px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .article-cover img{max-height:320px}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .cta-band{padding:56px 0}
  .related{padding:56px 0}
  .footer-desc{max-width:none}
}
@media (max-width:575.98px){
  .topbar-links{display:none}
  .topbar-inner{justify-content:flex-start}
  .article-title{font-size:26px}
  .article-meta{font-size:13px;gap:9px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-panel{padding:22px 18px}
  .article-body{font-size:16px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:19px}
  .article-body table{font-size:14px}
  .article-body thead th,.article-body tbody td{padding:10px 12px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .btn-lime,.btn-ghost{width:100%;padding:0 24px}
  .cta-actions{flex-direction:column;align-items:stretch;gap:12px}
  .foot-actions{flex-direction:column;align-items:flex-start}
  .to-top{right:14px;bottom:18px}
}

/* roulang page: category1 */
:root{
  --ink:#0C2E2B;
  --ink-soft:#17423E;
  --lime:#BFE84A;
  --lime-dark:#A9D63A;
  --orange:#FF6A3D;
  --bg:#F5F6F1;
  --alt:#EDF1E6;
  --card:#FFFFFF;
  --text:#1C211E;
  --muted:#5F6A63;
  --faint:#98A29B;
  --border:#E2E7DC;
  --divider:#EAEEE3;
  --r-card:16px;
  --r-block:20px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(12,46,43,.06);
  --shadow-2:0 12px 32px rgba(12,46,43,.12);
  --s1:8px;--s2:12px;--s3:16px;--s4:24px;--s5:32px;--s6:48px;--s7:64px;--s8:96px;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.28;}
h1{font-size:48px;font-weight:800;letter-spacing:-.5px;}
h2{font-size:32px;}
h3{font-size:22px;}
h4{font-size:18px;font-weight:600;}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease-out;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.num,.tabular{font-variant-numeric:tabular-nums;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;}

/* 顶部细条 */
.topbar{background:var(--ink);color:rgba(255,255,255,.86);font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;overflow:hidden;}
.topbar-brand{color:#fff;font-weight:600;letter-spacing:.2px;}
.topbar-note{color:rgba(255,255,255,.62);white-space:nowrap;}
.topbar-note i{color:var(--lime);margin-right:6px;}

/* 主导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(12,46,43,.08);}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;white-space:nowrap;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--ink);color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;flex:0 0 auto;
}
.brand-text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.2px;white-space:nowrap;line-height:1.2;}
.brand-accent{color:var(--ink);font-weight:800;}
.brand-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;margin-left:6px;transform:translateY(-6px);}

.search-box{
  position:relative;display:flex;align-items:center;
  flex:1 1 460px;max-width:560px;min-width:320px;height:46px;
  background:#F1F3EC;border-radius:var(--r-pill);
  border:2px solid transparent;
  transition:background .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.search-box:hover{background:#E9EDE0;}
.search-box:focus-within{background:#fff;border-color:var(--lime);box-shadow:var(--shadow-1);}
.search-icon{position:absolute;left:18px;font-size:15px;color:var(--muted);pointer-events:none;}
.search-box input{
  flex:1;height:100%;border:0;background:transparent;outline:none;
  padding:0 56px 0 46px;font-size:15px;color:var(--text);font-family:inherit;
}
.search-box input::placeholder{color:var(--faint);}
.search-btn{
  position:absolute;right:5px;width:36px;height:36px;border:0;border-radius:50%;
  background:var(--lime);color:var(--ink);font-size:14px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .18s ease-out,transform .18s ease-out;
}
.search-btn:hover{background:var(--lime-dark);transform:translateX(1px);}
.search-btn:active{transform:translateX(0) scale(.97);}

.nav-menu{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-menu a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink);
  padding:6px 0;white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.nav-menu a:hover{color:var(--ink-soft);}
.nav-menu a:hover::after{transform:scaleX(.4);}
.nav-menu a.active::after{transform:scaleX(1);}
.nav-menu a.active{font-weight:700;}
.header-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--lime);color:var(--ink);font-size:15px;font-weight:700;
  transition:background .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.header-cta:hover{background:var(--lime-dark);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.header-cta:active{transform:translateY(0);}

.icon-btn{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);
  background:#fff;color:var(--ink);font-size:16px;cursor:pointer;
  align-items:center;justify-content:center;transition:border-color .18s ease-out,background .18s ease-out;
}
.icon-btn:hover{border-color:var(--lime);background:var(--alt);}

.mobile-search{display:none;border-top:1px solid var(--border);background:#fff;padding:12px 0;}
.site-header.search-open .mobile-search{display:block;}
.mobile-search .search-box{max-width:none;min-width:0;flex:1 1 auto;width:100%;}

/* 抽屉菜单 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,46,43,.42);
  opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s ease-out;z-index:1040;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,84vw);background:#fff;z-index:1050;
  transform:translateX(102%);transition:transform .26s ease-out;
  display:flex;flex-direction:column;padding:20px 0 0;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 16px;border-bottom:1px solid var(--divider);}
.drawer-title{font-size:15px;font-weight:700;color:var(--ink);}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--ink);cursor:pointer;}
.drawer-close:hover{border-color:var(--lime);background:var(--alt);}
.drawer-nav{padding:12px 0;flex:1;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--divider);
}
.drawer-nav a i{color:var(--faint);font-size:13px;transition:transform .18s ease-out;}
.drawer-nav a:hover{background:var(--alt);}
.drawer-nav a:hover i{transform:translateX(3px);color:var(--ink);}
.drawer-nav a.active{color:var(--ink);font-weight:700;box-shadow:inset 3px 0 0 var(--lime);}
.drawer-foot{padding:20px;border-top:1px solid var(--divider);}
.drawer-foot .header-cta{width:100%;justify-content:center;}

/* 通用按钮 */
.btn-lime,.btn-ghost,.btn-outline-ink{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 36px;border-radius:var(--r-pill);
  font-size:16px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:var(--lime-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(191,232,74,.36);}
.btn-lime:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.48);}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;transform:translateY(-1px);}
.btn-outline-ink{background:transparent;color:var(--ink);border-color:var(--border);}
.btn-outline-ink:hover{border-color:var(--ink);background:#fff;transform:translateY(-1px);}
.btn-sm{height:44px;padding:0 26px;font-size:15px;}
.btn-lime:disabled,.btn-ghost:disabled,.btn-outline-ink:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}

/* 徽章与标签 */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;background:var(--alt);color:var(--ink);
}
.badge-lime{background:rgba(191,232,74,.34);color:var(--ink);}
.badge-orange{background:rgba(255,106,61,.14);color:#C64517;}
.badge-gray{background:#EDEFE9;color:var(--muted);}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--border);color:var(--muted);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:border-color .18s ease-out,color .18s ease-out,background .18s ease-out,transform .18s ease-out;
}
.chip:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px);}
.chip.active{background:var(--ink);border-color:var(--ink);color:#fff;}
.chip.active i{color:var(--lime);}

/* 页头 */
.page-hero{position:relative;background:var(--alt);border-bottom:1px solid var(--border);padding:64px 0 56px;overflow:hidden;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center right;opacity:.18;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(237,241,230,.96) 0%,rgba(237,241,230,.86) 48%,rgba(237,241,230,.34) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb-line{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap;}
.breadcrumb-line a:hover{color:var(--ink);}
.breadcrumb-line .sep{color:var(--faint);}
.breadcrumb-line .current{color:var(--ink);font-weight:600;}
.page-hero h1{max-width:760px;margin-bottom:18px;}
.page-hero .lead{max-width:660px;font-size:17px;color:var(--muted);line-height:1.85;margin-bottom:28px;}
.filter-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}

/* 数据条 */
.strip{background:#fff;border-bottom:1px solid var(--border);}
.strip-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:28px 0;}
.strip-item{display:flex;flex-direction:column;gap:2px;border-left:3px solid var(--lime);padding-left:16px;}
.strip-num{font-size:28px;font-weight:800;color:var(--ink);line-height:1.25;font-variant-numeric:tabular-nums;}
.strip-num small{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px;}
.strip-label{font-size:14px;color:var(--muted);}

/* 区块 */
.section{padding:88px 0;}
.section-alt{background:#fff;}
.section-dark{background:var(--ink);color:rgba(255,255,255,.82);}
.section-dark h2,.section-dark h3{color:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head .head-text{max-width:660px;}
.section-head h2{margin-bottom:12px;}
.section-head .desc{font-size:15px;color:var(--muted);line-height:1.85;}
.section-dark .section-head .desc{color:rgba(255,255,255,.62);}
.section-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--ink);
  padding-bottom:2px;border-bottom:2px solid var(--lime);
}
.section-link i{transition:transform .18s ease-out;}
.section-link:hover i{transform:translateX(3px);}
.section-dark .section-link{color:#fff;}

/* 横条列表 */
.rail{display:flex;flex-direction:column;}
.rail-item{
  display:grid;grid-template-columns:320px 1fr;gap:32px;align-items:center;
  padding:32px 24px;border-bottom:1px solid var(--divider);
  border-radius:var(--r-block);
  transition:background .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.rail-item:first-child{border-top:1px solid var(--divider);}
.rail-item:hover{background:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);border-bottom-color:transparent;}
.rail-thumb{
  position:relative;aspect-ratio:16/9;border-radius:var(--r-img);overflow:hidden;background:var(--alt);
}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out;}
.rail-item:hover .rail-thumb img{transform:scale(1.02);}
.rail-thumb .thumb-no{
  position:absolute;left:12px;top:12px;
  min-width:38px;height:30px;padding:0 10px;border-radius:8px;
  background:rgba(12,46,43,.82);color:var(--lime);
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  display:inline-flex;align-items:center;justify-content:center;
}
.rail-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px;}
.rail-body h3{margin-bottom:12px;}
.rail-body p{font-size:16px;color:var(--muted);line-height:1.85;max-width:680px;}
.rail-meta{
  display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:18px;padding-top:16px;
  border-top:1px solid var(--divider);font-size:14px;color:var(--faint);
}
.rail-meta span{display:inline-flex;align-items:center;gap:7px;}
.rail-meta i{color:var(--lime-dark);font-size:13px;}
.rail-meta b{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;}

/* 深色进度区 */
.perf-grid{display:grid;grid-template-columns:300px 1fr;gap:40px;align-items:start;}
.perf-total{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-block);padding:32px 28px;text-align:center;
}
.perf-total .ring{
  width:150px;height:150px;margin:0 auto 20px;border-radius:50%;
  background:conic-gradient(var(--lime) 0% 68%, rgba(255,255,255,.14) 68% 100%);
  display:flex;align-items:center;justify-content:center;position:relative;
}
.perf-total .ring::after{
  content:"";position:absolute;inset:12px;border-radius:50%;background:var(--ink);
}
.perf-total .ring span{
  position:relative;z-index:2;font-size:38px;font-weight:800;color:#fff;
  font-variant-numeric:tabular-nums;line-height:1;
}
.perf-total .ring span small{font-size:16px;margin-left:2px;}
.perf-total h3{font-size:18px;margin-bottom:8px;}
.perf-total p{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8;}
.perf-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-block);padding:32px;
}
.perf-row{padding:20px 0;border-bottom:1px solid rgba(255,255,255,.12);}
.perf-row:last-child{border-bottom:0;padding-bottom:0;}
.perf-row:first-child{padding-top:0;}
.perf-row-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px;}
.perf-name{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.perf-name h4{color:#fff;font-size:17px;font-weight:700;}
.perf-pct{font-size:16px;font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums;white-space:nowrap;}
.perf-row p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.8;margin-bottom:14px;}
.track{height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);overflow:hidden;}
.track i{display:block;height:100%;border-radius:var(--r-pill);background:var(--lime);}
.track i.is-done{background:rgba(191,232,74,.62);}
.track i.is-idle{background:rgba(255,255,255,.22);}

/* FAQ */
.faq-acc{border:1px solid var(--border);border-radius:var(--r-block);overflow:hidden;background:#fff;}
.faq-acc .accordion-item{border:0;border-bottom:1px solid var(--divider);background:transparent;}
.faq-acc .accordion-item:last-child{border-bottom:0;}
.faq-acc .accordion-button{
  background:transparent;color:var(--ink);font-size:17px;font-weight:600;
  padding:24px 28px;box-shadow:none;border-radius:0;line-height:1.6;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--ink);background:var(--alt);}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-acc .accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:14px;color:var(--ink);width:auto;height:auto;transform:none;
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;background:var(--alt);
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"\f068";background:var(--lime);transform:none;}
.faq-acc .accordion-button:hover{color:var(--ink-soft);}
.faq-acc .accordion-body{padding:4px 28px 26px;font-size:16px;color:var(--muted);line-height:1.9;}

/* CTA */
.cta-band{
  position:relative;background:var(--ink);border-radius:var(--r-block);
  padding:64px 48px;text-align:center;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(191,232,74,.06) 0 2px,transparent 2px 16px);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#fff;margin-bottom:16px;}
.cta-band p{font-size:16px;color:rgba(255,255,255,.66);max-width:560px;margin:0 auto 32px;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.cta-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.48);}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.62);margin-top:88px;position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--lime);}
.footer-top{padding:72px 0 48px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:var(--lime);}
.footer-brand .brand-text{color:#fff;font-size:18px;}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:340px;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-list li{margin-bottom:12px;}
.footer-list a{font-size:14px;color:rgba(255,255,255,.62);}
.footer-list a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:24px 0;font-size:13px;color:rgba(255,255,255,.46);flex-wrap:wrap;
}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;
  background:var(--lime);color:var(--ink);border:0;font-size:15px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;z-index:1020;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s ease-out,visibility .22s ease-out,transform .22s ease-out,background .18s ease-out;
  box-shadow:var(--shadow-1);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--lime-dark);transform:translateY(-2px);}

/* 响应式 */
@media (max-width:1199.98px){
  .rail-item{grid-template-columns:280px 1fr;gap:26px;}
  .perf-grid{grid-template-columns:260px 1fr;gap:28px;}
}
@media (max-width:991.98px){
  .header-inner{height:64px;gap:14px;}
  .nav-menu,.header-cta{display:none;}
  .search-box{display:none;}
  .icon-btn{display:inline-flex;}
  .icon-btn.search-toggle{margin-left:auto;}
  h1{font-size:38px;}
  h2{font-size:27px;}
  .section{padding:72px 0;}
  .strip-inner{grid-template-columns:repeat(2,1fr);gap:20px;padding:24px 0;}
  .rail-item{grid-template-columns:1fr;gap:20px;padding:26px 0;}
  .perf-grid{grid-template-columns:1fr;gap:24px;}
  .perf-total{display:flex;align-items:center;gap:24px;text-align:left;}
  .perf-total .ring{width:104px;height:104px;margin:0;flex:0 0 auto;}
  .perf-total .ring span{font-size:28px;}
  .cta-band{padding:52px 28px;}
  .site-footer{margin-top:72px;}
}
@media (max-width:575.98px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  h4{font-size:17px;}
  .brand-text{font-size:16px;}
  .brand-mark{width:28px;height:28px;font-size:13px;}
  .section{padding:56px 0;}
  .page-hero{padding:44px 0 40px;}
  .page-hero .lead{font-size:16px;}
  .strip-inner{grid-template-columns:1fr;gap:16px;}
  .strip-item{padding-left:14px;}
  .strip-num{font-size:24px;}
  .rail-item{padding:22px 0;}
  .rail-body p{font-size:15px;}
  .btn-lime,.btn-ghost,.btn-outline-ink{width:100%;padding:0 24px;}
  .cta-actions{align-items:stretch;}
  .perf-total{flex-direction:column;text-align:center;}
  .perf-total .ring{width:120px;height:120px;margin:0 auto 16px;}
  .perf-card{padding:24px 20px;}
  .faq-acc .accordion-button{padding:20px 18px;font-size:16px;}
  .faq-acc .accordion-body{padding:0 18px 22px;font-size:15px;}
  .footer-top{padding:52px 0 36px;}
  .cta-band{padding:44px 20px;}
  .to-top{right:16px;bottom:20px;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
}

/* roulang page: category3 */
:root{
  --ink:#0C2E2B;
  --ink-soft:#14403B;
  --lime:#BFE84A;
  --lime-hover:#A9D63A;
  --orange:#FF6A3D;
  --bg:#F5F6F1;
  --surface:#FFFFFF;
  --alt:#EDF1E6;
  --text:#1C211E;
  --muted:#5F6A63;
  --faint:#98A29B;
  --border:#E2E7DC;
  --divider:#EAEEE3;
  --r-card:16px;
  --r-lg:20px;
  --r-img:14px;
  --r-input:12px;
  --sh-1:0 2px 8px rgba(12,46,43,.06);
  --sh-2:0 12px 32px rgba(12,46,43,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--lime-hover);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:3px solid rgba(191,232,74,.85);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{color:var(--ink);line-height:1.28;margin:0;font-weight:700;}
h1{font-size:48px;font-weight:800;}
h2{font-size:32px;}
h3{font-size:22px;}
h4{font-size:18px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.section{padding:88px 0;}
.section-alt{background:var(--alt);}
.section-white{background:var(--surface);}
.section-dark{background:var(--ink);color:#F4F6EE;}
.section-dark h2,.section-dark h3{color:#F4F6EE;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head .sec-lead{color:var(--muted);font-size:15px;margin-top:10px;max-width:640px;line-height:1.8;}
.sec-title{position:relative;padding-left:16px;}
.sec-title::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;background:var(--lime);}
.link-more{font-size:15px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:8px;border-bottom:1px solid var(--border);padding-bottom:4px;}
.link-more:hover{gap:12px;color:var(--ink);border-color:var(--lime);}

/* ---------- 顶部细条 ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.82);font-size:13px;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:38px;gap:16px;}
.topbar a{color:rgba(255,255,255,.82);font-size:13px;}
.topbar a:hover{color:var(--lime);}
.topbar-left{display:flex;align-items:center;gap:10px;}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);transition:box-shadow .2s ease-out;}
.site-header.is-stuck{box-shadow:var(--sh-1);}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--ink);color:var(--lime);display:flex;align-items:center;justify-content:center;font-size:15px;}
.brand-text{font-size:18px;font-weight:800;color:var(--ink);white-space:nowrap;letter-spacing:.2px;}
.nav-search{position:relative;flex:1 1 auto;max-width:560px;min-width:320px;}
.nav-search input{
  width:100%;height:46px;border-radius:999px;border:1px solid var(--border);
  background:#F1F3EC;padding:0 58px 0 46px;font-size:15px;color:var(--text);
  transition:background .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.nav-search input::placeholder{color:var(--faint);}
.nav-search input:hover{background:#E9EDE1;}
.nav-search input:focus{background:#fff;border-color:var(--lime);box-shadow:0 0 0 2px var(--lime);outline:none;}
.nav-search .search-ico{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--faint);font-size:14px;pointer-events:none;}
.nav-search .search-btn{
  position:absolute;right:5px;top:50%;transform:translateY(-50%);
  width:36px;height:36px;border-radius:50%;border:0;background:var(--lime);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:13px;cursor:pointer;transition:background .18s ease-out;
}
.nav-search .search-btn:hover{background:var(--lime-hover);}
.nav-menu{display:flex;align-items:center;gap:22px;margin-left:auto;}
.nav-menu a{font-size:15px;font-weight:600;color:var(--ink);position:relative;padding:6px 0;white-space:nowrap;}
.nav-menu a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:2px;background:transparent;transition:background .18s ease-out;}
.nav-menu a:hover::after{background:rgba(191,232,74,.6);}
.nav-menu a.active::after{background:var(--lime);}
.nav-cta{
  margin-left:6px;height:44px;padding:0 22px;border-radius:999px;background:var(--lime);color:var(--ink);
  font-size:15px;font-weight:700;display:inline-flex;align-items:center;gap:8px;border:0;white-space:nowrap;
  transition:background .18s ease-out,transform .18s ease-out;
}
.nav-cta:hover{background:var(--lime-hover);color:var(--ink);transform:translateY(-1px);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:#fff;color:var(--ink);font-size:16px;}
.nav-mobile-search{display:none;}

/* 移动抽屉 */
.nav-drawer{position:fixed;inset:0 0 0 auto;width:min(86vw,360px);background:#fff;z-index:1050;transform:translateX(102%);transition:transform .24s ease-out;box-shadow:-8px 0 30px rgba(12,46,43,.16);padding:24px;overflow-y:auto;}
.nav-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:#fff;color:var(--ink);}
.drawer-group-title{font-size:13px;color:var(--faint);margin:18px 0 8px;}
.drawer-link{display:flex;align-items:center;justify-content:space-between;padding:14px 4px;border-bottom:1px solid var(--divider);font-size:16px;font-weight:600;color:var(--ink);}
.drawer-link i{font-size:12px;color:var(--faint);}
.drawer-cta{margin-top:24px;display:flex;align-items:center;justify-content:center;height:52px;border-radius:999px;background:var(--lime);color:var(--ink);font-weight:700;}
.drawer-mask{position:fixed;inset:0;background:rgba(12,46,43,.44);z-index:1040;opacity:0;visibility:hidden;transition:opacity .24s ease-out;}
.drawer-mask.open{opacity:1;visibility:visible;}

/* ---------- 页头 ---------- */
.page-hero{background:var(--alt);border-bottom:1px solid var(--border);padding:52px 0 64px;position:relative;overflow:hidden;}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-40px;width:340px;height:340px;border-radius:50%;
  background:repeating-linear-gradient(135deg,rgba(191,232,74,.28) 0 8px,transparent 8px 20px);pointer-events:none;
}
.breadcrumb-row{font-size:13px;color:var(--faint);margin-bottom:18px;position:relative;z-index:2;}
.breadcrumb-row a{color:var(--muted);}
.breadcrumb-row span.sep{margin:0 8px;color:var(--faint);}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:48px;align-items:center;position:relative;z-index:2;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;background:rgba(191,232,74,.35);color:var(--ink);font-size:13px;font-weight:700;margin-bottom:18px;}
.page-hero h1{font-size:46px;margin-bottom:16px;}
.hero-sub{font-size:17px;color:var(--muted);max-width:640px;line-height:1.85;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;height:52px;padding:0 36px;border-radius:999px;
  background:var(--lime);color:var(--ink);font-size:16px;font-weight:700;border:0;cursor:pointer;
  transition:background .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-lime:hover{background:var(--lime-hover);color:var(--ink);transform:translateY(-1px);box-shadow:0 8px 20px rgba(12,46,43,.12);}
.btn-lime:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;height:52px;padding:0 32px;border-radius:999px;
  background:transparent;color:var(--ink);font-size:16px;font-weight:700;border:1.5px solid var(--ink);cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.btn-ghost:hover{background:var(--ink);color:#F4F6EE;transform:translateY(-1px);}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.55);color:#F4F6EE;}
.btn-ghost.on-dark:hover{background:#F4F6EE;color:var(--ink);border-color:#F4F6EE;}
.hero-cover{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--border);background:#fff;}
.hero-cover img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.filter-pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px;}
.pill{display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;background:#fff;border:1px solid var(--border);font-size:14px;color:var(--muted);font-weight:600;transition:all .18s ease-out;}
.pill:hover{border-color:var(--lime);color:var(--ink);}
.pill.is-on{background:var(--ink);color:#F4F6EE;border-color:var(--ink);}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--orange);margin-right:8px;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;max-width:940px;margin:0 auto;padding-left:0;}
.timeline::before{content:"";position:absolute;left:23px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,var(--lime) 0%,var(--lime) 72%,var(--border) 100%);border-radius:2px;}
.tl-item{position:relative;padding-left:76px;padding-bottom:36px;}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;left:0;top:6px;width:48px;height:48px;border-radius:50%;background:#fff;border:2px solid var(--lime);
  display:flex;align-items:center;justify-content:center;color:var(--ink);font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.tl-item:hover .tl-node{background:var(--lime);}
.tl-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:26px 28px;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.tl-item:hover .tl-card{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6DECB;}
.tl-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px;}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:700;background:var(--alt);color:var(--ink);}
.tag-lime{background:rgba(191,232,74,.42);color:var(--ink);}
.tag-ink{background:var(--ink);color:#F4F6EE;}
.tag-line{border:1px solid var(--border);background:#fff;color:var(--muted);}
.time-mark{font-size:13px;color:var(--orange);font-weight:700;display:inline-flex;align-items:center;gap:6px;}
.tl-card h3{font-size:21px;margin-bottom:10px;}
.tl-card p{color:var(--muted);font-size:16px;line-height:1.85;}
.tl-detail{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:16px;padding-top:16px;border-top:1px solid var(--divider);}
.tl-detail span{font-size:14px;color:var(--muted);display:inline-flex;align-items:center;gap:8px;}
.tl-detail span i{color:var(--lime-hover);font-size:12px;}
.tl-thumb{margin-top:18px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--border);}
.tl-thumb img{width:100%;aspect-ratio:16/7;object-fit:cover;}
.tl-sub{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--faint);margin-top:1px;}

/* ---------- 状态三态 ---------- */
.state-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.state-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out;}
.state-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.state-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.state-name{font-size:18px;font-weight:700;color:var(--ink);}
.badge-state{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:700;}
.badge-wait{background:#F1F3EC;color:var(--faint);}
.badge-run{background:rgba(255,106,61,.14);color:#C4522B;}
.badge-done{background:rgba(191,232,74,.5);color:var(--ink);}
.state-card p{color:var(--muted);font-size:15px;line-height:1.8;}
.state-bar{height:8px;border-radius:999px;background:#EDF1E6;overflow:hidden;margin-top:18px;}
.state-bar i{display:block;height:100%;border-radius:999px;background:var(--lime);}
.state-bar i.zero{width:6%;background:#D6DECB;}
.state-bar i.half{width:56%;background:var(--orange);}
.state-bar i.full{width:100%;background:var(--lime);}

/* ---------- 奖励轨道 ---------- */
.rail-wrap{position:relative;}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 20px;scrollbar-width:none;}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 288px;scroll-snap-align:start;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.rail-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.rail-fig{position:relative;}
.rail-fig img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.rail-rank{position:absolute;left:12px;top:12px;height:26px;padding:0 12px;border-radius:999px;background:rgba(191,232,74,.92);color:var(--ink);font-size:13px;font-weight:700;display:inline-flex;align-items:center;}
.rail-body{padding:18px 20px 20px;}
.rail-body h3{font-size:18px;margin-bottom:8px;}
.rail-body p{font-size:14px;color:var(--muted);line-height:1.75;min-height:48px;}
.rail-progress{margin-top:16px;}
.rail-progress .bar{height:6px;border-radius:999px;background:#EDF1E6;overflow:hidden;}
.rail-progress .bar i{display:block;height:100%;background:var(--lime);border-radius:999px;}
.rail-progress .meta{display:flex;justify-content:space-between;font-size:13px;color:var(--faint);margin-top:10px;}
.rail-fade{position:absolute;top:0;bottom:20px;width:60px;pointer-events:none;}
.rail-fade-l{left:0;background:linear-gradient(90deg,var(--bg) 12%,rgba(245,246,241,0));}
.rail-fade-r{right:0;background:linear-gradient(270deg,var(--bg) 12%,rgba(245,246,241,0));}

/* ---------- 留意事项 ---------- */
.notice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.notice-item{display:flex;gap:16px;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:22px 24px;transition:border-color .2s ease-out,transform .2s ease-out;}
.notice-item:hover{border-color:var(--lime);transform:translateY(-2px);}
.notice-num{flex:0 0 40px;height:40px;border-radius:12px;background:var(--alt);color:var(--ink);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;}
.notice-item h3{font-size:17px;margin-bottom:6px;}
.notice-item p{font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out;}
.faq-item:hover{border-color:#D6DECB;}
.faq-item.open{border-color:var(--lime);box-shadow:var(--sh-1);}
.faq-q{width:100%;background:none;border:0;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:22px 24px;font-size:17px;font-weight:700;color:var(--ink);cursor:pointer;font-family:var(--font-cn);}
.faq-q i{color:var(--lime-hover);transition:transform .2s ease-out;font-size:14px;flex-shrink:0;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease-out;}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:16px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(135deg,rgba(191,232,74,.07) 0 10px,transparent 10px 26px);}
.cta-inner{position:relative;z-index:2;text-align:center;padding:76px 0;}
.cta-inner h2{color:#F4F6EE;margin-bottom:14px;}
.cta-inner p{color:rgba(255,255,255,.66);font-size:16px;max-width:620px;margin:0 auto;}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:32px;}
.cta-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.5);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:0;position:relative;}
.site-footer::before{content:"";display:block;height:3px;background:var(--lime);}
.footer-top{padding:64px 0 48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.09);color:var(--lime);}
.footer-brand .brand-text{color:#F4F6EE;font-size:18px;font-weight:800;white-space:nowrap;}
.footer-desc{font-size:14px;color:rgba(255,255,255,.62);line-height:1.85;max-width:360px;}
.footer-title{font-size:15px;color:#F4F6EE;margin-bottom:18px;font-weight:700;}
.footer-list li{margin-bottom:12px;}
.footer-list a{font-size:14px;color:rgba(255,255,255,.62);}
.footer-list a:hover{color:var(--lime);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);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);}

/* ---------- 返回顶部 & 移动底栏 ---------- */
.to-top{position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;border:0;background:var(--lime);color:var(--ink);font-size:15px;display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);opacity:0;visibility:hidden;transition:opacity .22s ease-out,transform .22s ease-out;z-index:1020;cursor:pointer;}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--lime-hover);transform:translateY(-2px);}
.mobile-bar{position:fixed;left:0;right:0;bottom:0;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--border);padding:10px 16px;display:none;z-index:1025;transform:translateY(110%);transition:transform .24s ease-out;}
.mobile-bar.show{transform:translateY(0);}
.mobile-bar .btn-lime{width:100%;height:48px;font-size:16px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-menu a{font-size:14px;}
  .nav-menu{gap:16px;}
  .nav-search{max-width:420px;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  h1,.page-hero h1{font-size:34px;}
  h2{font-size:26px;}
  .nav-menu,.nav-cta{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .nav-wrap{height:66px;gap:14px;}
  .nav-search{min-width:0;max-width:none;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .state-grid{grid-template-columns:1fr 1fr;}
  .notice-grid{grid-template-columns:1fr;}
  .cta-inner{padding:64px 0;}
}
@media (max-width:767.98px){
  body{font-size:16px;line-height:1.8;}
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .page-hero{padding:36px 0 48px;}
  .page-hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .nav-search{display:none;}
  .nav-mobile-search{display:flex;position:relative;flex:1;}
  .nav-mobile-search input{width:100%;height:42px;border-radius:999px;border:1px solid var(--border);background:#F1F3EC;padding:0 44px 0 40px;font-size:14px;}
  .nav-mobile-search .search-ico{left:14px;font-size:13px;}
  .nav-mobile-search .search-btn{right:4px;width:34px;height:34px;}
  .state-grid{grid-template-columns:1fr;}
  .timeline::before{left:15px;}
  .tl-item{padding-left:52px;padding-bottom:28px;}
  .tl-node{width:32px;height:32px;font-size:13px;top:8px;}
  .tl-card{padding:20px;}
  .tl-card h3{font-size:19px;}
  .rail-card{flex:0 0 250px;}
  .sec-head{margin-bottom:28px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn-lime,.cta-actions .btn-ghost{width:100%;}
  .mobile-bar{display:block;}
  .to-top{bottom:84px;}
  .footer-top{padding:48px 0 32px;}
}
@media (max-width:519.98px){
  .topbar .container{font-size:12px;}
  .topbar-left span.topbar-text{display:none;}
  .page-hero h1{font-size:27px;}
  .hero-actions .btn-lime,.hero-actions .btn-ghost{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category2 */
:root{
  --ink:#0C2E2B;
  --ink-soft:#123B37;
  --lime:#BFE84A;
  --lime-hover:#A9D63A;
  --orange:#FF6A3D;
  --bg:#F5F6F1;
  --surface:#FFFFFF;
  --alt:#EDF1E6;
  --text:#1C211E;
  --muted:#5F6A63;
  --faint:#98A29B;
  --border:#E2E7DC;
  --divider:#EAEEE3;
  --r-card:16px;
  --r-lg:20px;
  --r-img:14px;
  --r-input:12px;
  --sh-1:0 2px 8px rgba(12,46,43,.06);
  --sh-2:0 12px 32px rgba(12,46,43,.12);
  --t:180ms ease-out;
  --bs-body-color:#1C211E;
  --bs-link-color:#0C2E2B;
  --bs-link-hover-color:#0C2E2B;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--ink)}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.28;letter-spacing:-.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:88px 0}
.section-alt{background:var(--surface)}
.section-sub{color:var(--muted);font-size:15px;margin-top:12px;max-width:620px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--ink);background:var(--alt);border-radius:999px;padding:6px 14px;text-transform:uppercase}
.eyebrow i{color:var(--lime-hover);font-size:12px}
h2{font-size:32px;font-weight:700}
h3{font-size:22px;font-weight:700}
.lead{font-size:17px;color:var(--muted);line-height:1.85}

/* ---------- 顶部细条 ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.86);font-size:13px;line-height:1.6}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding-top:6px;padding-bottom:6px}
.topbar-brand{font-weight:600;letter-spacing:.02em;white-space:nowrap}
.topbar-links{display:flex;gap:20px}
.topbar-links a{color:rgba(255,255,255,.72);font-size:13px;transition:color var(--t)}
.topbar-links a:hover{color:var(--lime)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(12,46,43,.08)}
.header-inner{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-size:14px}
.brand-text{font-size:18px;font-weight:800;color:var(--ink);white-space:nowrap}
.nav-search{
  position:relative;display:flex;align-items:center;gap:10px;
  flex:1 1 auto;max-width:520px;min-width:320px;height:46px;
  padding:0 6px 0 18px;border-radius:999px;background:#F1F3EC;
  border:1px solid transparent;transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.nav-search:hover{background:#EAEEE3}
.nav-search:focus-within{background:#fff;border-color:var(--lime);box-shadow:0 0 0 3px rgba(191,232,74,.35)}
.nav-search .search-icon{color:var(--faint);font-size:15px}
.nav-search input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;font-size:15px;color:var(--text);outline:none}
.nav-search input::placeholder{color:var(--faint)}
.search-submit{width:36px;height:36px;flex:0 0 auto;border:0;border-radius:50%;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-size:13px;transition:background var(--t),transform var(--t)}
.search-submit:hover{background:var(--lime-hover);transform:translateY(-1px)}
.nav-menu{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-menu a{position:relative;font-size:16px;color:var(--ink);padding:6px 0;white-space:nowrap}
.nav-menu a::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-cta{flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 24px;border-radius:999px;background:var(--ink);color:#fff;font-size:15px;font-weight:600;transition:background var(--t),transform var(--t)}
.nav-cta:hover{background:var(--ink-soft);color:var(--lime);transform:translateY(-1px)}
.icon-btn{display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:14px;background:#fff;color:var(--ink);place-items:center;font-size:16px;transition:border-color var(--t),background var(--t)}
.icon-btn:hover{border-color:var(--lime);background:var(--alt)}
.mobile-search{display:none;border-top:1px solid var(--border);background:#fff;padding:12px 0}
.mobile-search.open{display:block}
.mobile-search .nav-search{max-width:none;min-width:0;width:100%}

/* ---------- 抽屉菜单 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(12,46,43,.42);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:1040}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);background:#fff;z-index:1050;transform:translateX(102%);transition:transform 220ms ease-out;display:flex;flex-direction:column;padding:20px 22px 26px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--divider)}
.drawer-title{font-size:15px;font-weight:700;color:var(--ink)}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--border);background:#fff;color:var(--ink);display:grid;place-items:center}
.drawer-search{margin:18px 0 8px}
.drawer-search .nav-search{max-width:none;min-width:0;width:100%}
.drawer-group{margin-top:18px}
.drawer-group-title{font-size:13px;color:var(--faint);margin-bottom:8px}
.drawer-link{display:flex;align-items:center;justify-content:space-between;padding:14px 2px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--divider)}
.drawer-link i{color:var(--faint);font-size:13px;transition:transform var(--t),color var(--t)}
.drawer-link:hover i{color:var(--lime-hover);transform:translateX(3px)}
.drawer-link.active{color:var(--ink);font-weight:700}
.drawer-link.active::before{content:"";width:3px;height:16px;border-radius:2px;background:var(--lime);margin-right:10px}
.drawer-foot{margin-top:auto;padding-top:22px}
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 36px;border:0;border-radius:999px;background:var(--lime);color:var(--ink);font-size:16px;font-weight:700;transition:background var(--t),transform var(--t),box-shadow var(--t)}
.btn-main:hover{background:var(--lime-hover);color:var(--ink);transform:translateY(-1px);box-shadow:0 10px 24px rgba(12,46,43,.16)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 32px;border-radius:999px;background:transparent;border:1.5px solid rgba(12,46,43,.28);color:var(--ink);font-size:16px;font-weight:600;transition:border-color var(--t),background var(--t),transform var(--t)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(12,46,43,.05);color:var(--ink);transform:translateY(-1px)}
.w-100{width:100%}

/* ---------- 页头 ---------- */
.page-head{background:linear-gradient(180deg,#EDF1E6 0%,#F5F6F1 100%);border-bottom:1px solid var(--border);padding:34px 0 40px}
.breadcrumb-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--faint);margin-bottom:22px}
.breadcrumb-line a{color:var(--muted)}
.breadcrumb-line a:hover{color:var(--ink)}
.breadcrumb-line .sep{color:var(--faint)}
.breadcrumb-line .current{color:var(--ink)}
.page-head-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:48px;align-items:center}
.page-head h1{font-size:48px;font-weight:800;margin:16px 0 0}
.page-head .lead{margin-top:18px;max-width:640px}
.quick-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag-pill{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--ink);background:#fff;border:1px solid var(--border);border-radius:999px;padding:7px 16px;transition:border-color var(--t),transform var(--t)}
.tag-pill i{color:var(--lime-hover);font-size:12px}
.tag-pill:hover{border-color:var(--lime);transform:translateY(-1px);color:var(--ink)}
.stat-strip{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:24px 26px;display:grid;gap:18px}
.stat-row{display:flex;align-items:baseline;gap:10px}
.stat-num{font-size:30px;font-weight:800;color:var(--ink);letter-spacing:-.5px}
.stat-num span{font-size:16px;font-weight:700;margin-left:2px}
.stat-label{font-size:14px;color:var(--muted)}
.stat-divider{height:1px;background:var(--divider)}
.filter-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;padding-top:24px;border-top:1px solid var(--border)}
.pill{display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--border);background:#fff;color:var(--muted);font-size:14px;transition:all var(--t)}
.pill:hover{border-color:var(--lime);color:var(--ink)}
.pill.active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}

/* ---------- 主区 ---------- */
.main-grid{padding:72px 0 88px}
.side-index{position:sticky;top:96px;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:22px 20px;box-shadow:var(--sh-1)}
.idx-title{font-size:14px;font-weight:700;color:var(--ink);letter-spacing:.04em;margin-bottom:14px}
.side-index ul li a{display:block;position:relative;padding:9px 0 9px 16px;font-size:15px;color:var(--muted);transition:color var(--t)}
.side-index ul li a::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:0;border-radius:2px;background:var(--lime);transition:height var(--t)}
.side-index ul li a:hover{color:var(--ink)}
.side-index ul li a.active{color:var(--ink);font-weight:600}
.side-index ul li a.active::before{height:18px}
.idx-cta{display:inline-flex;align-items:center;justify-content:center;width:100%;height:44px;margin-top:18px;border-radius:999px;background:var(--alt);color:var(--ink);font-size:14px;font-weight:600;transition:background var(--t)}
.idx-cta:hover{background:var(--lime);color:var(--ink)}
.idx-scroll{display:flex;gap:10px;overflow-x:auto;padding:4px 4px 14px;margin-bottom:8px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.idx-scroll::-webkit-scrollbar{display:none}
.idx-scroll a{flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;background:#fff;border:1px solid var(--border);font-size:14px;color:var(--muted)}
.idx-scroll a.active{background:var(--ink);border-color:var(--ink);color:#fff}

/* ---------- 图文横条 ---------- */
.feature-strip{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:26px;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:center;box-shadow:var(--sh-1);margin-bottom:56px}
.feature-strip h2{font-size:26px}
.feature-strip p{margin-top:14px;color:var(--muted);font-size:16px}
.feature-list{margin-top:18px;display:grid;gap:10px}
.feature-list li{position:relative;padding-left:20px;font-size:15px;color:var(--muted)}
.feature-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--lime)}
.feature-strip img{border-radius:var(--r-img);aspect-ratio:16/10;object-fit:cover;width:100%}

/* ---------- 宫格卡片 ---------- */
.grid-block + .grid-block{margin-top:56px}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:24px;padding-bottom:18px;border-bottom:1px solid var(--border)}
.block-head p{margin-top:10px;color:var(--muted);font-size:15px}
.block-link{flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--ink);transition:gap var(--t)}
.block-link i{color:var(--lime-hover);font-size:13px;transition:transform var(--t)}
.block-link:hover i{transform:translateX(3px)}
.tech-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.grid-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6DECB}
.grid-card a{display:block;height:100%}
.grid-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--alt)}
.grid-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease-out}
.grid-card:hover .grid-thumb img{transform:scale(1.03)}
.card-badge{position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--lime);color:var(--ink);font-size:12px;font-weight:700;letter-spacing:.02em}
.card-badge.is-orange{background:#fff;border:1px solid var(--orange);color:var(--orange)}
.grid-body{padding:16px 18px 20px}
.grid-body h3{font-size:17px;line-height:1.5}
.grid-body p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 深色节奏区 ---------- */
.section-dark{background:var(--ink);color:rgba(255,255,255,.78)}
.section-dark h2{color:#fff}
.section-dark .section-sub{color:rgba(255,255,255,.62)}
.section-dark .eyebrow{background:rgba(255,255,255,.1);color:var(--lime)}
.task-card{margin-top:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);padding:26px}
.task-head{display:flex;align-items:baseline;gap:12px;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.12)}
.task-total{font-size:44px;font-weight:800;color:var(--lime);letter-spacing:-1px}
.task-total span{font-size:20px}
.task-total-label{font-size:14px;color:rgba(255,255,255,.62)}
.task-list{margin-top:22px;display:grid;gap:22px}
.task-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.task-name{font-size:15px;color:#fff;font-weight:600}
.state{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600}
.state-done{background:var(--lime);color:var(--ink)}
.state-doing{background:rgba(255,106,61,.16);border:1px solid var(--orange);color:#FFB49B}
.state-todo{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.7)}
.task-pct{margin-left:auto;font-size:15px;color:#fff}
.track{margin-top:10px;height:8px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
.track span{display:block;height:100%;border-radius:999px;background:var(--lime)}
.rhythm-note{margin-top:22px;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px;margin:0 auto}
.faq-acc .accordion-item{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1)}
.faq-acc .accordion-button{background:#fff;color:var(--ink);font-size:17px;font-weight:600;line-height:1.6;padding:22px 56px 22px 22px;box-shadow:none;border:0}
.faq-acc .accordion-button:not(.collapsed){background:var(--alt);color:var(--ink)}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(191,232,74,.45);border-radius:var(--r-card)}
.faq-acc .accordion-button::after{display:none}
.faq-acc .accordion-button::before{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:22px;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:50%;background:var(--alt);color:var(--ink);display:grid;place-items:center;font-size:12px;transition:transform var(--t),background var(--t)}
.faq-acc .accordion-button:not(.collapsed)::before{content:"\f068";background:var(--lime);transform:translateY(-50%) rotate(180deg)}
.faq-acc .accordion-body{padding:4px 22px 24px;font-size:16px;color:var(--muted);line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink) url('/assets/images/backpic/back-3.png') center/cover no-repeat;padding:88px 0}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(12,46,43,.94) 0%,rgba(12,46,43,.82) 55%,rgba(12,46,43,.7) 100%)}
.cta-band::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 16px);opacity:.7}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:760px;margin:0 auto}
.cta-inner h2{color:#fff;font-size:34px}
.cta-inner p{margin-top:18px;color:rgba(255,255,255,.78);font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px}
.btn-ghost-light{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 32px;border-radius:999px;border:1.5px solid rgba(255,255,255,.5);background:transparent;color:#fff;font-size:16px;font-weight:600;transition:border-color var(--t),background var(--t),transform var(--t)}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px)}
.cta-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);border-top:3px solid var(--lime);padding:64px 0 26px}
.footer-top{padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:var(--lime)}
.footer-brand .brand-text{font-size:18px;font-weight:800;color:#fff;white-space:nowrap}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-list li{margin-bottom:10px}
.footer-list a{font-size:14px;color:rgba(255,255,255,.62);transition:color var(--t)}
.footer-list a:hover{color:var(--lime)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;border:0;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-size:15px;box-shadow:0 10px 24px rgba(12,46,43,.2);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity var(--t),visibility var(--t),transform var(--t),background var(--t);z-index:1020}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--lime-hover)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-search{max-width:340px;min-width:280px}
  .nav-menu{gap:16px}
  .nav-menu a{font-size:15px}
  .page-head h1{font-size:40px}
  .tech-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .section-dark{padding:72px 0}
  .nav-menu,.nav-cta,.nav-search{display:none}
  .icon-btn{display:grid}
  .header-inner{gap:12px}
  .brand-text{font-size:16px}
  .page-head-grid{grid-template-columns:1fr;gap:28px}
  .page-head h1{font-size:34px;margin-top:14px}
  .main-grid{padding:56px 0 72px}
  .feature-strip{grid-template-columns:1fr;gap:22px;padding:22px}
  .feature-strip img{aspect-ratio:16/9}
  .cta-band{padding:72px 0}
  .cta-inner h2{font-size:28px}
  .block-head{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:575.98px){
  body{font-size:16px}
  .container{padding-left:16px;padding-right:16px}
  .section{padding:56px 0}
  .section-dark{padding:56px 0}
  .topbar-links{display:none}
  .brand-text{font-size:15px}
  .brand-mark{width:30px;height:30px;border-radius:10px}
  .page-head{padding:24px 0 30px}
  .page-head h1{font-size:29px}
  h2{font-size:24px}
  h3{font-size:19px}
  .tech-grid{grid-template-columns:1fr}
  .stat-strip{padding:20px}
  .stat-num{font-size:26px}
  .btn-main,.btn-ghost,.btn-ghost-light{width:100%;padding:0 24px}
  .cta-actions{flex-direction:column}
  .cta-inner h2{font-size:24px}
  .faq-acc .accordion-button{font-size:16px;padding:18px 52px 18px 18px}
  .task-total{font-size:36px}
  .task-pct{margin-left:0}
  .to-top{right:16px;bottom:18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category4 */
:root{
  --ink:#0C2E2B;
  --ink-deep:#0A2725;
  --ink-soft:#123B37;
  --lime:#BFE84A;
  --lime-dark:#A9D63A;
  --orange:#FF6A3D;
  --bg:#F5F6F1;
  --surface:#FFFFFF;
  --alt:#EDF1E6;
  --text:#1C211E;
  --muted:#5F6A63;
  --faint:#98A29B;
  --border:#E2E7DC;
  --divider:#EAEEE3;
  --r-card:16px;
  --r-block:20px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --r-tag:8px;
  --sh-1:0 2px 8px rgba(12,46,43,.06);
  --sh-2:0 12px 32px rgba(12,46,43,.12);
  --ease:180ms ease-out;
  --f-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--f-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),transform var(--ease)}
a:hover{color:var(--ink)}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.28;font-weight:700}
p{margin:0}
ul,ol,dl{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";font-family:Inter,var(--f-sans)}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
body.no-scroll{overflow:hidden}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (max-width:767px){.container{padding-left:16px;padding-right:16px}}

/* ========= 顶部细条 ========= */
.topbar{background:var(--ink);color:rgba(255,255,255,.7);font-size:13px;min-height:38px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:12px}
.topbar-brand{color:#fff;font-weight:600;letter-spacing:.02em;white-space:nowrap}
.topbar-meta{color:rgba(255,255,255,.6);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (max-width:575px){.topbar-meta{display:none}}

/* ========= 主导航 ========= */
.site-header{position:sticky;top:0;z-index:1030}
.navwrap{background:rgba(255,255,255,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border);transition:box-shadow var(--ease)}
.site-header.is-scrolled .navwrap{box-shadow:0 6px 20px rgba(12,46,43,.08)}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;white-space:nowrap}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-size:14px;flex:0 0 auto}
.brand-text{font-size:15px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}

.nav-search{
  flex:1 1 340px;min-width:200px;max-width:520px;position:relative;
  display:flex;align-items:center;height:46px;background:#F1F3EC;
  border-radius:var(--r-pill);padding:0 6px 0 18px;border:1px solid transparent;
  transition:background-color var(--ease),box-shadow var(--ease)
}
.nav-search > i{color:var(--faint);font-size:14px;flex:0 0 auto}
.nav-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;
  font-size:15px;color:var(--text);padding:0 10px;outline:none
}
.nav-search input::placeholder{color:var(--faint)}
.nav-search:hover{background:#EAEEE3}
.nav-search:focus-within{background:#fff;box-shadow:0 0 0 2px var(--lime)}
.search-submit{
  width:34px;height:34px;border-radius:50%;border:0;background:var(--lime);color:var(--ink);
  display:grid;place-items:center;cursor:pointer;flex:0 0 auto;font-size:13px;
  transition:background-color var(--ease),transform var(--ease)
}
.search-submit:hover{background:var(--lime-dark);transform:translateY(-1px)}
.search-submit:active{transform:translateY(0)}

.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto;flex:0 0 auto}
.nav-menu a{
  position:relative;display:inline-block;padding:8px 8px;font-size:14px;font-weight:500;
  color:var(--muted);white-space:nowrap
}
.nav-menu a:hover{color:var(--ink)}
.nav-menu a.active{color:var(--ink);font-weight:700}
.nav-menu a.active::after{
  content:"";position:absolute;left:8px;right:8px;bottom:0;height:3px;
  background:var(--lime);border-radius:2px
}
.nav-cta{
  flex:0 0 auto;height:42px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--lime);color:var(--ink);font-weight:700;font-size:15px;
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  transition:background-color var(--ease),transform var(--ease)
}
.nav-cta:hover{background:var(--lime-dark);color:var(--ink);transform:translateY(-1px)}
.nav-cta:active{transform:translateY(0)}

.nav-toggle,.nav-search-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);
  background:#fff;color:var(--ink);place-items:center;font-size:16px;cursor:pointer;
  transition:border-color var(--ease),background-color var(--ease)
}
.nav-toggle:hover,.nav-search-toggle:hover{border-color:var(--lime);background:var(--alt)}

.mobile-search{
  display:none;overflow:hidden;max-height:0;opacity:0;
  transition:max-height 200ms ease-out,opacity 200ms ease-out;
  border-top:1px solid transparent;background:rgba(255,255,255,.96)
}
.mobile-search.is-open{max-height:84px;opacity:1;border-top-color:var(--border)}
.mobile-search .container{padding-top:12px;padding-bottom:12px}
.mobile-search .nav-search{max-width:100%;flex:1 1 auto;background:#F1F3EC}

@media (max-width:1199px){
  .nav-menu a{font-size:13px;padding:8px 6px}
  .nav-menu a.active::after{left:6px;right:6px}
}
@media (max-width:991px){
  .nav-inner{height:64px;gap:12px}
  .nav-search,.nav-menu,.nav-cta{display:none}
  .nav-toggle,.nav-search-toggle{display:grid}
  .mobile-search{display:block}
  .brand-text{font-size:15px}
}
@media (max-width:400px){
  .brand-text{font-size:14px;letter-spacing:-.02em}
  .brand-mark{width:28px;height:28px;border-radius:9px}
}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:2000;background:rgba(12,46,43,.42);opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease)}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(86vw,360px);background:#fff;
  display:flex;flex-direction:column;transform:translateX(100%);
  transition:transform 220ms ease-out;overflow-y:auto
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border-bottom:1px solid var(--border)}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--ink);display:grid;place-items:center;cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;padding:8px 12px}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:14px 10px;font-size:16px;color:var(--muted);border-bottom:1px solid var(--divider)}
.drawer-nav a::after{content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;color:var(--faint)}
.drawer-nav a.active{color:var(--ink);font-weight:700}
.drawer-nav a.active::after{color:var(--lime-dark)}
.drawer-foot{padding:18px 20px 26px;margin-top:auto}
.drawer-cta{width:100%;justify-content:center;height:50px;font-size:16px}

/* ========= 通用按钮 ========= */
.btn-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:16px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)
}
.btn-pill:hover{transform:translateY(-1px)}
.btn-pill:active{transform:translateY(0)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:var(--lime-dark);color:var(--ink)}
.btn-outline-ink{background:#fff;border-color:var(--border);color:var(--ink)}
.btn-outline-ink:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.btn-outline-lime{background:#fff;border-color:var(--lime);color:var(--ink)}
.btn-outline-lime:hover{background:var(--lime);color:var(--ink)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7)}

.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--lime);padding-bottom:2px}
.text-link i{font-size:12px;transition:transform var(--ease)}
.text-link:hover i{transform:translateX(3px)}

/* ========= 页头 ========= */
.page-head{
  position:relative;padding:56px 0 52px;overflow:hidden;
  background:linear-gradient(180deg,rgba(237,241,230,.94),rgba(245,246,241,.98)),url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
}
.page-head::after{
  content:"";position:absolute;right:-90px;top:-80px;width:420px;height:420px;
  background:repeating-linear-gradient(115deg,rgba(12,46,43,.06) 0 6px,transparent 6px 20px);
  border-radius:50%;transform:rotate(10deg);pointer-events:none
}
.head-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:52px;align-items:center}
.breadcrumb-nav{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--faint);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb-nav a{color:var(--muted)}
.breadcrumb-nav a:hover{color:var(--ink)}
.crumb-current{color:var(--ink);font-weight:600}
.page-head h1{font-size:44px;font-weight:800;letter-spacing:-.02em;margin-bottom:18px}
.page-lead{font-size:17px;line-height:1.9;color:var(--muted);max-width:640px;margin-bottom:26px}
.pill-row{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--border);color:var(--ink);font-size:14px;font-weight:500;
  transition:background-color var(--ease),border-color var(--ease),transform var(--ease)
}
.pill:hover{background:var(--lime);border-color:var(--lime);color:var(--ink);transform:translateY(-1px)}
.head-figure{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/10;background:var(--alt)}
.head-figure img{width:100%;height:100%;object-fit:cover}
@media (max-width:991px){
  .page-head{padding:40px 0 38px}
  .head-grid{grid-template-columns:1fr;gap:28px}
  .page-head h1{font-size:30px}
  .page-lead{font-size:16px}
  .head-figure{aspect-ratio:16/9}
}

/* ========= 区块通用 ========= */
.section{padding:88px 0}
.section-alt{background:var(--surface)}
@media (max-width:991px){.section{padding:72px 0}}
@media (max-width:575px){.section{padding:56px 0}}
.section-head{margin-bottom:40px}
.section-head h2{font-size:32px;font-weight:700;letter-spacing:-.01em;margin-bottom:12px}
.section-sub{font-size:15px;color:var(--muted);line-height:1.85;max-width:720px}
@media (max-width:991px){.section-head h2{font-size:24px}}

/* ========= 对比矩阵 ========= */
.compare-card{
  position:relative;height:100%;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px 22px 22px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)
}
.compare-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.compare-card.is-featured{border:1.5px solid var(--lime);box-shadow:0 10px 30px rgba(12,46,43,.10)}
.card-flag{
  position:absolute;top:14px;right:14px;font-size:12px;font-weight:700;
  color:var(--ink);background:var(--lime);padding:2px 10px;border-radius:var(--r-pill)
}
.card-tag{
  display:inline-flex;align-items:center;align-self:flex-start;height:24px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:700;letter-spacing:.02em;
  background:var(--alt);color:var(--ink)
}
.compare-card.is-featured .card-tag{background:rgba(191,232,74,.35)}
.compare-card h3{font-size:22px;margin:16px 0 8px}
.card-desc{font-size:15px;color:var(--muted);line-height:1.8;min-height:54px;margin-bottom:16px}
.spec-list{margin-bottom:22px}
.spec-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:10px 0;border-bottom:1px solid var(--divider);font-size:15px
}
.spec-row:last-child{border-bottom:0}
.spec-row dt{color:var(--muted);font-weight:400}
.spec-row dd{color:var(--ink);font-weight:600;text-align:right}
.compare-card .btn-pill{margin-top:auto;width:100%;height:44px;font-size:15px}
@media (max-width:575px){
  .compare-card{padding:22px 18px 18px}
  .card-desc{min-height:auto}
}

/* ========= 准备事项 ========= */
.prep-wrap{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start}
.prep-intro{position:sticky;top:132px}
.prep-intro h2{font-size:32px;margin-bottom:14px;letter-spacing:-.01em}
.prep-intro p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:20px}
.prep-list{border-top:1px solid var(--border)}
.prep-item{display:flex;gap:20px;padding:24px 0;border-bottom:1px solid var(--border);transition:transform var(--ease)}
.prep-item:hover{transform:translateX(2px)}
.prep-num{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;background:var(--alt);
  color:var(--ink);display:grid;place-items:center;font-size:15px;font-weight:700;
  transition:background-color var(--ease)
}
.prep-item:hover .prep-num{background:var(--lime)}
.prep-item h3{font-size:19px;margin-bottom:8px}
.prep-item p{font-size:15px;color:var(--muted);line-height:1.8}
@media (max-width:991px){
  .prep-wrap{grid-template-columns:1fr;gap:28px}
  .prep-intro{position:static}
  .prep-intro h2{font-size:24px}
}
@media (max-width:575px){
  .prep-item{gap:14px}
  .prep-num{width:38px;height:38px;border-radius:10px;font-size:14px}
  .prep-item h3{font-size:17px}
}

/* ========= FAQ ========= */
.faq-list{max-width:860px}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease)
}
.faq-item[open]{border-color:#D2E0B0;box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--ink)
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:20px;font-weight:700;color:var(--lime-dark);line-height:1
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--ink)}
.faq-body{padding:0 24px 22px;font-size:16px;line-height:1.9;color:var(--muted);max-width:760px}
@media (max-width:575px){
  .faq-item summary{padding:16px 18px;font-size:16px}
  .faq-body{padding:0 18px 18px;font-size:15px}
}

/* ========= CTA ========= */
.cta-strip{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  padding:60px 0;border-top:3px solid var(--lime)
}
.cta-strip::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 10px,transparent 10px 28px);
  pointer-events:none
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:30px;margin-bottom:10px;letter-spacing:-.01em}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.68);line-height:1.8;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-actions .btn-pill{height:52px;padding:0 32px}
@media (max-width:767px){
  .cta-strip{padding:48px 0}
  .cta-inner h2{font-size:24px}
  .cta-actions{width:100%}
  .cta-actions .btn-pill{flex:1 1 auto}
}

/* ========= 页脚 ========= */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding-top:60px;font-size:15px}
.footer-top{padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);color:var(--lime)}
.footer-brand .brand-text{color:#fff}
.footer-title{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:400px}
.footer-list li{margin-bottom:10px}
.footer-list a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-list a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;font-size:13px;color:rgba(255,255,255,.5)
}
@media (max-width:767px){
  .site-footer{padding-top:48px}
  .footer-bottom{justify-content:flex-start}
}

/* ========= 返回顶部 ========= */
.to-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;border:0;
  background:var(--lime);color:var(--ink);display:grid;place-items:center;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(8px);z-index:1040;
  transition:opacity var(--ease),visibility var(--ease),transform var(--ease),background-color var(--ease);
  box-shadow:0 8px 24px rgba(12,46,43,.18)
}
.to-top.is-on{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--lime-dark)}
@media (max-width:575px){.to-top{right:16px;bottom:18px}}

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