/* roulang page: index */
:root{
  --ink:#0C3B33;
  --ink-2:#0A322C;
  --teal:#17A67B;
  --teal-soft:#E6F4EE;
  --lime:#C9F24D;
  --orange:#EE6C3C;
  --bg:#F7F8F4;
  --card:#FFFFFF;
  --soft:#F0F4EE;
  --text:#101A16;
  --muted:#5C6B64;
  --line:#E2E7DF;
  --white:#FFFFFF;
  --on-dark:#CFE3DA;
  --grad:linear-gradient(120deg,#0C3B33 0%,#17A67B 58%,#8FD14F 100%);
  --r-xl:32px;
  --r-lg:28px;
  --r-md:24px;
  --r-sm:16px;
  --r-btn:14px;
  --r-in:12px;
  --sh1:0 1px 2px rgba(12,59,51,.06);
  --sh2:0 10px 24px -16px rgba(12,59,51,.28);
  --sh3:0 24px 48px -28px rgba(12,59,51,.36);
  --side:248px;
  --ease:240ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--teal);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--ink)}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 48px}
.num{font-variant-numeric:tabular-nums}

/* ---------- App Shell Sidebar ---------- */
.shell-side{
  position:fixed;inset:0 auto 0 0;width:var(--side);z-index:90;
  background:var(--ink);color:var(--on-dark);
  padding:24px 18px 20px;display:flex;flex-direction:column;
  overflow-y:auto;transition:transform var(--ease);
}
.brand{display:flex;align-items:center;gap:12px;height:64px;padding:0 6px;border-radius:var(--r-sm)}
.brand-mark{flex:0 0 auto;display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12)}
.brand-text strong{display:block;color:#fff;font-size:17px;font-weight:800;letter-spacing:.02em;line-height:1.3}
.brand-text small{display:block;font-size:11px;letter-spacing:.12em;color:#7E928A;line-height:1.6}
.side-group-title{font-size:11px;letter-spacing:.14em;color:#7E928A;margin:28px 8px 10px}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item{
  display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;
  border-radius:var(--r-btn);color:var(--on-dark);font-size:15px;font-weight:500;
  position:relative;transition:background var(--ease),color var(--ease);
}
.nav-item i{font-size:16px;width:20px;text-align:center;flex:0 0 auto}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{background:var(--teal-soft);color:var(--ink);font-weight:700}
.nav-item.active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--lime)}
.nav-item.active i{color:var(--teal)}
.side-foot{margin-top:auto;padding-top:24px}
.side-foot-note{font-size:12px;line-height:1.7;color:#7E928A;margin:0 8px 12px}
.btn-enter{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;height:44px;
  border-radius:var(--r-btn);background:var(--grad);color:#fff;font-size:14px;font-weight:700;
  box-shadow:var(--sh2);transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-enter:hover{color:#fff;filter:brightness(1.06);box-shadow:var(--sh3);transform:translateY(-1px)}
.btn-enter:active{transform:translateY(1px)}
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:80;
  align-items:center;justify-content:space-between;gap:12px;padding:0 14px;
  background:rgba(12,59,51,.97);backdrop-filter:blur(8px);color:#fff;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.topbar-btn{
  width:44px;height:44px;display:grid;place-items:center;border-radius:12px;
  background:rgba(255,255,255,.09);color:#fff;font-size:17px;transition:background var(--ease)
}
.topbar-btn:hover{background:rgba(255,255,255,.18)}
.topbar-brand{font-size:15px;font-weight:800;letter-spacing:.02em;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-login{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:12px;
  background:var(--lime);color:var(--ink);font-size:13px;font-weight:800;white-space:nowrap;
}
.topbar-login:hover{color:var(--ink);filter:brightness(1.05)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,32,28,.55);z-index:85;
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
}
.drawer-mask.on{opacity:1;visibility:visible}

/* ---------- Main shell ---------- */
.shell-main{margin-left:var(--side);min-height:100vh;display:flex;flex-direction:column}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em}
.section-head p{font-size:15px;color:var(--muted);margin-top:8px;max-width:640px}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--teal);border-bottom:2px solid transparent;transition:all var(--ease)}
.text-link:hover{border-bottom-color:var(--lime);color:var(--ink);gap:12px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:all var(--ease);white-space:nowrap;
}
.btn i{transition:transform var(--ease)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh2)}
.btn-primary:hover{color:#fff;filter:brightness(1.06);box-shadow:var(--sh3);transform:translateY(-2px)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--teal);border:1.5px solid var(--teal)}
.btn-ghost:hover{background:var(--teal-soft);color:var(--teal);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-lime{background:var(--lime);color:var(--ink);font-weight:800}
.btn-lime:hover{color:var(--ink);filter:brightness(1.05);transform:translateY(-2px)}
.btn:disabled,.btn[disabled]{opacity:.4;pointer-events:none}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);padding:80px 0 128px;border-radius:0}
.hero::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;opacity:.55}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(12,59,51,.94) 0%,rgba(23,166,123,.72) 58%,rgba(143,209,79,.42) 100%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start}
.hero-copy{max-width:560px;color:#fff;padding-top:8px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  font-size:13px;letter-spacing:.04em;color:#EAF6EF;margin-bottom:20px;
}
.eyebrow i{color:var(--lime);font-size:12px}
.hero h1{font-size:44px;line-height:1.15;font-weight:800;letter-spacing:-.01em;color:#fff}
.hero-sub{font-size:17px;line-height:1.7;color:rgba(255,255,255,.88);margin-top:18px;max-width:520px}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-actions .btn-ghost{background:rgba(255,255,255,.96)}
.hero-note{font-size:13px;color:rgba(255,255,255,.78);margin-top:16px;letter-spacing:.02em}

/* login card */
.login-card{
  background:#fff;border:2px solid var(--teal);border-radius:var(--r-md);
  padding:28px;box-shadow:var(--sh3);
}
.login-card h2{font-size:21px;font-weight:800;line-height:1.4;color:var(--ink)}
.login-card .card-desc{font-size:13px;color:var(--muted);margin-top:6px}
.field{margin-top:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}
.field input{
  width:100%;height:48px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r-in);
  background:var(--soft);color:var(--text);transition:all var(--ease);
}
.field input::placeholder{color:#9AA8A1}
.field input:focus{background:#fff;border-color:var(--teal);box-shadow:0 0 0 3px rgba(23,166,123,.18);outline:none}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.captcha-box{
  display:flex;align-items:center;justify-content:center;height:48px;border-radius:var(--r-in);
  border:1px dashed var(--line);background:#F3F6F1;color:var(--ink);font-size:17px;font-weight:800;
  letter-spacing:.22em;user-select:none;font-variant-numeric:tabular-nums;
}
.captcha-box:hover{border-color:var(--teal);color:var(--teal)}
.remember{display:flex;align-items:center;gap:8px;margin-top:16px;font-size:13px;color:var(--muted)}
.remember input{width:16px;height:16px;accent-color:var(--teal)}
.login-card .btn{width:100%;margin-top:18px}
.card-links{display:flex;justify-content:space-between;margin-top:14px;font-size:13px}
.card-links a{color:var(--teal);font-weight:600}
.card-links a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px}

/* ---------- Stats badges ---------- */
.stats-wrap{position:relative;z-index:5;margin-top:-56px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-badge{
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:16px 22px;display:flex;align-items:center;gap:14px;box-shadow:var(--sh1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.stat-badge:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.stat-badge .ico{
  flex:0 0 auto;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:var(--teal-soft);color:var(--teal);font-size:16px;
}
.stat-badge .val{font-size:30px;font-weight:800;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.stat-badge .val small{font-size:13px;font-weight:700;margin-left:2px;color:var(--teal)}
.stat-badge .lab{font-size:12px;color:var(--muted);line-height:1.5;margin-top:4px}

/* ---------- Pain points ---------- */
.pain{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.pain h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em}
.pain .lead{font-size:15px;color:var(--muted);margin-top:14px;max-width:320px}
.pain-list{border-top:1px solid var(--line)}
.pain-item{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:26px 0;border-bottom:1px solid var(--line)}
.pain-item .no{font-size:15px;font-weight:800;color:var(--teal);font-variant-numeric:tabular-nums;letter-spacing:.06em;padding-top:2px}
.pain-item h3{font-size:19px;font-weight:600;line-height:1.45}
.pain-item p{font-size:15px;color:var(--muted);margin-top:8px;max-width:640px}

/* ---------- Solution cards ---------- */
.solution-stack{display:flex;flex-direction:column;gap:32px}
.sol-card{
  display:grid;grid-template-columns:1fr 1fr;gap:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.sol-card:hover{transform:translateY(-3px);box-shadow:var(--sh3)}
.sol-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--soft)}
.sol-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.sol-card:hover .sol-media img{transform:scale(1.03)}
.sol-body{padding:40px;display:flex;flex-direction:column;justify-content:center}
.sol-card.reverse .sol-media{order:2}
.sol-body .tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--teal-soft);color:var(--teal);font-size:12px;font-weight:700;width:fit-content;
}
.sol-body h3{font-size:22px;font-weight:700;line-height:1.45;margin-top:14px;color:var(--ink)}
.sol-body p{font-size:15px;color:var(--muted);margin-top:10px}
.dot-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.dot-list li{position:relative;padding-left:18px;font-size:15px;color:var(--text);line-height:1.7}
.dot-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--teal)}

/* ---------- Result board ---------- */
.board{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:stretch}
.board-left{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:36px;box-shadow:var(--sh1)}
.metric{margin-bottom:26px}
.metric:last-child{margin-bottom:0}
.metric-top{display:flex;justify-content:space-between;align-items:baseline;font-size:15px;font-weight:600;margin-bottom:10px}
.metric-top span:last-child{font-size:20px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.track{height:10px;border-radius:999px;background:var(--line);overflow:hidden}
.track i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#17A67B,#8FD14F)}
.board-right{
  background:var(--ink);border-radius:var(--r-md);padding:36px;color:#fff;
  display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden;
}
.board-right::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(201,242,77,.12)}
.board-right .big{font-size:56px;font-weight:800;line-height:1;color:var(--lime);font-variant-numeric:tabular-nums}
.board-right .big small{font-size:16px;color:#fff;margin-left:6px;font-weight:600}
.board-right h3{font-size:20px;font-weight:700;margin-top:14px;color:#fff}
.board-right p{font-size:14px;color:var(--on-dark);margin-top:8px;line-height:1.75;position:relative;z-index:2}

/* ---------- Testimonials ---------- */
.testi-scroll{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.testi-card{
  background:#F6F7F3;border-radius:var(--r-md);padding:36px;position:relative;
  transition:transform var(--ease),box-shadow var(--ease);
}
.testi-card:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.testi-card .quote{font-size:32px;line-height:1;color:var(--teal);opacity:.5;font-weight:800}
.testi-card blockquote{font-size:17px;line-height:1.75;color:var(--text);margin-top:14px}
.testi-user{display:flex;align-items:center;gap:12px;margin-top:24px}
.avatar{width:48px;height:48px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;flex:0 0 auto}
.testi-user strong{display:block;font-size:15px;color:var(--ink)}
.testi-user span{display:block;font-size:13px;color:var(--muted)}

/* ---------- News / CMS ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh3)}
.news-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--soft)}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.news-card:hover .news-media img{transform:scale(1.03)}
.news-media .badge{
  position:absolute;left:14px;top:14px;height:26px;padding:0 12px;border-radius:999px;
  background:var(--teal);color:#fff;font-size:12px;font-weight:700;display:inline-flex;align-items:center;
}
.news-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:inherit}
.news-body h3 a:hover{color:var(--teal)}
.news-body p{font-size:14px;line-height:1.7;color:var(--muted);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-foot .arrow{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--teal);transition:all var(--ease)}
.news-card:hover .news-foot .arrow{background:var(--teal);color:#fff;transform:translateX(3px)}
.empty-state{
  min-height:240px;border:1px dashed var(--line);border-radius:var(--r-md);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  grid-column:1/-1;padding:32px;
}
.empty-state .shape{width:96px;height:96px;border-radius:50%;background:var(--soft);display:grid;place-items:center;color:var(--teal);font-size:30px}
.empty-state p{font-size:15px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:8px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:var(--teal);box-shadow:var(--sh2)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 24px;font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--teal)}
.faq-item summary .plus{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--teal-soft);
  color:var(--teal);display:grid;place-items:center;font-size:14px;transition:transform var(--ease),background var(--ease);
}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--lime);color:var(--ink)}
.faq-answer{padding:0 24px 20px;font-size:15px;line-height:1.8;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:64px;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-card::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;opacity:.1}
.cta-card .cta-copy{position:relative;z-index:2;max-width:620px}
.cta-card h2{font-size:32px;line-height:1.3;font-weight:800;color:#fff}
.cta-card p{font-size:15px;color:rgba(255,255,255,.88);margin-top:12px}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand strong{font-size:17px;font-weight:800;color:#fff;line-height:1.4}
.footer-brand small{display:block;font-size:11px;letter-spacing:.12em;color:#7E928A}
.site-footer p.desc{font-size:14px;line-height:1.9;color:var(--on-dark);max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col a,.footer-col span{display:block;font-size:14px;line-height:2.2;color:var(--on-dark);transition:color var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA79E;
}

/* ---------- Responsive ---------- */
@media (max-width:1279px) and (min-width:1024px){
  .shell-side{width:88px;padding:24px 12px}
  .shell-main{margin-left:88px}
  .brand-text,.side-group-title,.nav-label,.side-foot-note{display:none}
  .brand{justify-content:center;padding:0}
  .nav-item{justify-content:center;padding:0}
  .btn-enter span{display:none}
  .container{padding:0 32px}
  .hero h1{font-size:38px}
}
@media (max-width:1023px){
  .shell-side{transform:translateX(-100%);width:84vw;max-width:320px;box-shadow:var(--sh3)}
  .shell-side.open{transform:translateX(0)}
  .shell-main{margin-left:0;padding-top:64px}
  .topbar{display:flex}
  .container{padding:0 32px}
  .section{padding:72px 0}
  .hero{padding:56px 0 96px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-copy{max-width:none}
  .hero h1{font-size:36px}
  .stats{grid-template-columns:1fr 1fr}
  .stats-wrap{margin-top:-40px}
  .pain{grid-template-columns:1fr;gap:28px}
  .board{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr 1fr}
  .sol-card{grid-template-columns:1fr}
  .sol-card.reverse .sol-media{order:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{padding:48px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .hero{padding:44px 0 80px}
  .hero::before{height:320px;bottom:auto;background-position:center top}
  .hero h1{font-size:32px;line-height:1.25}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 100%}
  .login-card{padding:22px}
  .section-head h2,.pain h2,.cta-card h2{font-size:24px}
  .stats{grid-template-columns:1fr 1fr;gap:12px}
  .stat-badge{border-radius:var(--r-sm);padding:14px 16px;gap:10px;flex-direction:column;align-items:flex-start}
  .stat-badge .val{font-size:26px}
  .sol-body{padding:24px}
  .sol-body h3{font-size:19px}
  .board-left,.board-right{padding:24px}
  .board-right .big{font-size:44px}
  .testi-scroll{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;padding-bottom:8px;-webkit-overflow-scrolling:touch}
  .testi-card{flex:0 0 88vw;scroll-snap-align:start;padding:24px}
  .news-grid{grid-template-columns:1fr}
  .pain-item{grid-template-columns:44px 1fr;gap:12px}
  .cta-card{padding:32px;border-radius:var(--r-md)}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .site-footer{padding-top:52px;margin-top:56px}
}
@media (max-width:420px){
  .stats{grid-template-columns:1fr 1fr}
  .field-row{grid-template-columns:1fr}
  .news-body{padding:18px}
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --ink:#0C3B33;
  --brand:#17A67B;
  --lime:#C9F24D;
  --green-2:#8FD14F;
  --orange:#EE6C3C;
  --bg:#F7F8F4;
  --surface:#FFFFFF;
  --soft:#F0F4EE;
  --mist:#E6F4EE;
  --text:#101A16;
  --text-2:#26332D;
  --muted:#5C6B64;
  --line:#E2E7DF;
  --on-dark:#CFE3DA;
  --grad:linear-gradient(120deg,#0C3B33 0%,#17A67B 58%,#8FD14F 100%);
  --r-lg:28px;
  --r-md:24px;
  --r-sm:16px;
  --r-btn:14px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(12,59,51,.06);
  --sh-2:0 10px 24px -16px rgba(12,59,51,.28);
  --sh-3:0 24px 48px -28px rgba(12,59,51,.36);
  --side:248px;
  --ease:240ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:8px}

/* ---------- 侧栏导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);
  background:var(--ink);
  color:var(--on-dark);
  padding:20px 16px 20px;
  display:flex;flex-direction:column;
  z-index:60;
  overflow-y:auto;
}
.brand{
  display:flex;align-items:center;gap:12px;
  height:88px;padding:0 8px 24px;
  border-bottom:1px solid rgba(255,255,255,.10);
  margin-bottom:24px;
}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:rgba(255,255,255,.07);
  display:flex;align-items:center;justify-content:center;
}
.brand-text strong{
  display:block;color:#fff;font-size:15px;font-weight:700;line-height:1.35;
  letter-spacing:-.01em;
}
.brand-text small{
  display:block;font-size:11px;letter-spacing:.12em;color:#8FD14F;margin-top:2px;
}
.nav-group-title{
  font-size:11px;letter-spacing:.14em;color:#7E928A;font-weight:600;
  padding:0 12px;margin-bottom:10px;
}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 14px;border-radius:var(--r-btn);
  color:var(--on-dark);font-size:15px;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.nav-item i{width:20px;text-align:center;font-size:15px;color:#8FD14F;transition:color var(--ease)}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{background:var(--mist);color:var(--ink);font-weight:700}
.nav-item.active i{color:var(--brand)}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:999px;background:var(--lime);
}
.side-login{
  margin-top:auto;padding-top:24px;
}
.side-login a{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:44px;border-radius:var(--r-btn);
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--sh-2);
  transition:filter var(--ease),transform var(--ease),box-shadow var(--ease);
}
.side-login a:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-3)}
.side-login a:active{transform:translateY(1px)}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:64px;z-index:70;
  background:rgba(12,59,51,.97);
  backdrop-filter:blur(8px);
  align-items:center;justify-content:space-between;
  padding:0 14px;gap:10px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.drawer-btn{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;background:rgba(255,255,255,.08);
  transition:background var(--ease);
}
.drawer-btn:hover{background:rgba(255,255,255,.16)}
.topbar-brand{
  flex:1;text-align:center;color:#fff;font-size:15px;font-weight:700;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.topbar-login{
  height:44px;display:inline-flex;align-items:center;padding:0 16px;
  border-radius:999px;background:var(--grad);color:#fff;font-size:14px;font-weight:600;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,32,28,.55);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
  z-index:80;
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:84vw;max-width:320px;
  background:var(--ink);color:var(--on-dark);
  padding:20px 16px;z-index:90;
  transform:translateX(-100%);transition:transform var(--ease);
  display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}

/* ---------- 主区 ---------- */
.main{margin-left:var(--side);min-height:100vh}
.page{
  max-width:1240px;margin:0 auto;padding:0 48px 0;
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:nowrap;
  padding:40px 0 0;font-size:14px;color:var(--muted);
  white-space:nowrap;overflow:hidden;
}
.breadcrumb a{color:var(--muted);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span.sep{color:#B9C6BE}
.breadcrumb .current{
  color:var(--text-2);font-weight:600;
  overflow:hidden;text-overflow:ellipsis;min-width:0;
}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 220px;
  gap:56px;
  align-items:start;
  padding-top:28px;
}
.article-main{min-width:0}

.article-head{padding-bottom:8px}
.post-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;border-radius:999px;
  background:var(--mist);color:#0F7455;
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.article-head h1{
  font-size:42px;line-height:1.25;font-weight:800;letter-spacing:-.01em;
  margin:18px 0 0;color:var(--text);
}
.article-summary{
  margin-top:18px;font-size:16px;line-height:1.8;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  margin-top:20px;padding-bottom:24px;
  font-size:13px;color:var(--muted);
  font-variant-numeric:tabular-nums;
  border-bottom:1px solid var(--line);
}
.meta-row i{color:var(--brand);margin-right:5px}
.meta-row .dot{color:#B9C6BE}

/* ---------- 正文排版 ---------- */
.article-body{
  padding-top:32px;
  font-size:16px;line-height:1.85;color:var(--text-2);
  max-width:760px;
  overflow-wrap:anywhere;
}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;
  font-size:24px;line-height:1.4;font-weight:700;color:var(--text);
  margin:48px 0 20px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;
  border-radius:999px;background:var(--brand);
}
.article-body h3{
  font-size:19px;line-height:1.5;font-weight:600;color:var(--text);
  margin:32px 0 14px;
}
.article-body h4{font-size:16px;font-weight:600;margin:24px 0 12px;color:var(--text)}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(23,166,123,.35);transition:border-color var(--ease),color var(--ease)}
.article-body a:hover{color:#0F7455;border-bottom-color:var(--lime)}
.article-body strong{color:var(--text);font-weight:700}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 1.4em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:8px 0;line-height:1.8}
.article-body ul li::marker{color:var(--brand)}
.article-body ol li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;
  background:#EAF6F0;border-left:3px solid var(--lime);
  border-radius:var(--r-sm);color:#1E3A31;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  width:100%;height:auto;border-radius:var(--r-sm);
  margin:24px 0;object-fit:cover;
}
.article-body figure{margin:28px 0}
.article-body figcaption{font-size:13px;color:var(--muted);margin-top:10px;line-height:1.6}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;
  margin:24px 0;display:block;overflow-x:auto;max-width:100%;
}
.article-body th{
  background:#EAF6F0;color:var(--text);font-weight:700;
  padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;
}
.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:56px 24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);
}
.empty-icon{
  width:96px;height:96px;margin:0 auto 20px;border-radius:24px;
  background:var(--soft);display:flex;align-items:center;justify-content:center;
  color:var(--brand);font-size:34px;
}
.empty-state h2{font-size:22px;font-weight:700;color:var(--text)}
.empty-state p{margin:10px auto 24px;max-width:420px;color:var(--muted);font-size:15px}

/* ---------- 文章尾 ---------- */
.article-foot{
  margin-top:48px;padding-top:28px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:999px;background:var(--surface);border:1px solid var(--line);
  font-size:13px;color:var(--muted);transition:all var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand);background:var(--mist)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:filter var(--ease),transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn i{font-size:13px;transition:transform var(--ease)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:var(--surface);color:var(--brand);
  border:1.5px solid var(--brand);
}
.btn-ghost:hover{background:var(--mist);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 32px -18px rgba(0,0,0,.5)}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px)}
.btn[disabled],.btn.disabled{opacity:.4;pointer-events:none}

/* ---------- 目录 ---------- */
.toc{position:sticky;top:40px}
.toc-inner{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:20px;box-shadow:var(--sh-1);
}
.toc-title{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--muted);
  margin-bottom:12px;
}
.toc ol{display:flex;flex-direction:column;gap:2px;counter-reset:toc}
.toc li a{
  display:block;padding:8px 10px;border-radius:10px;
  font-size:13px;line-height:1.6;color:var(--text-2);
  transition:background var(--ease),color var(--ease);
}
.toc li a:hover{background:var(--mist);color:#0F7455}

/* ---------- 相关推荐 ---------- */
.related{padding-top:72px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:28px;line-height:1.3;font-weight:700;letter-spacing:-.01em;color:var(--text);
}
.section-head p{margin-top:8px;font-size:14px;color:var(--muted)}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand);
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:border-color var(--ease),color var(--ease);
}
.text-link i{font-size:12px;transition:transform var(--ease)}
.text-link:hover{border-bottom-color:var(--lime);color:#0F7455}
.text-link:hover i{transform:translateX(4px)}

.card-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.post-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:#CFE3DA}
.thumb{
  position:relative;width:100%;aspect-ratio:16/10;overflow:hidden;background:var(--soft);
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.post-card:hover .thumb img{transform:scale(1.03)}
.thumb .cat{
  position:absolute;left:14px;top:14px;height:26px;padding:0 12px;
  display:inline-flex;align-items:center;border-radius:999px;
  background:var(--brand);color:#fff;font-size:12px;font-weight:600;
}
.post-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-card-body h3{
  font-size:17px;line-height:1.5;font-weight:600;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--ease);
}
.post-card:hover .post-card-body h3{color:#0F7455}
.post-card-body p{
  margin-top:10px;font-size:14px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1;
}
.card-foot{
  margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.card-foot .go{
  width:32px;height:32px;border-radius:999px;display:inline-flex;
  align-items:center;justify-content:center;background:var(--soft);color:var(--brand);
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.post-card:hover .card-foot .go{background:var(--brand);color:#fff;transform:translateX(2px)}

/* ---------- 结尾 CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  margin-top:80px;padding:64px;
  border-radius:32px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:var(--sh-3);
}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.10;pointer-events:none;
}
.cta-card > *{position:relative;z-index:1}
.cta-card h2{font-size:30px;line-height:1.3;font-weight:800;letter-spacing:-.01em}
.cta-card p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;background:var(--ink);color:var(--on-dark);
  padding:72px 0 32px;
}
.site-footer .container{max-width:1240px;margin:0 auto;padding:0 48px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:rgba(255,255,255,.07);display:flex;align-items:center;justify-content:center;
}
.footer-brand strong{display:block;color:#fff;font-size:15px;font-weight:700;line-height:1.35}
.footer-brand small{display:block;font-size:11px;letter-spacing:.12em;color:#8FD14F;margin-top:2px}
.site-footer .desc{font-size:14px;line-height:1.9;color:var(--on-dark);max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col a,.footer-col span{
  display:block;font-size:14px;line-height:2.2;color:var(--on-dark);
  transition:color var(--ease),transform var(--ease);
}
.footer-col a:hover{color:var(--lime);transform:translateX(2px)}
.footer-bottom{
  margin-top:56px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#9EB8AC;
}

/* ---------- 断点 ---------- */
@media (max-width:1279px){
  :root{--side:88px}
  .sidebar{padding:18px 10px}
  .brand{height:72px;padding:0 0 18px;justify-content:center;margin-bottom:18px}
  .brand-text,.nav-group-title,.nav-label,.side-login span{display:none}
  .nav-item{justify-content:center;padding:0;gap:0}
  .nav-item.active::before{top:8px;bottom:8px}
  .side-login a{height:44px;padding:0}
  .page{padding:0 32px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .toc{display:none}
  .article-head h1{font-size:36px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .site-footer .container{padding:0 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:64px}
  .page{padding:0 24px}
  .breadcrumb{padding-top:28px}
  .article-layout{padding-top:20px;gap:32px}
  .cta-card{padding:40px;flex-direction:column;align-items:flex-start;gap:24px}
  .cta-card h2{font-size:26px}
  .site-footer .container{padding:0 24px}
}
@media (max-width:767px){
  .article-head h1{font-size:30px;line-height:1.3}
  .article-body{font-size:16px}
  .article-body h2{font-size:21px;margin-top:40px}
  .article-body h3{font-size:18px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .cta-card{padding:32px 24px;border-radius:24px}
  .cta-card h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .related{padding-top:56px}
  .site-footer{margin-top:64px;padding-top:48px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .page{padding:0 18px}
  .site-footer .container{padding:0 18px}
  .article-head h1{font-size:26px}
  .footer-grid{grid-template-columns:1fr}
  .empty-state{padding:40px 18px}
}

/* roulang page: category1 */
:root{
  --deep:#0C3B33;
  --teal:#17A67B;
  --teal-soft:#E6F4EE;
  --lime:#C9F24D;
  --orange:#EE6C3C;
  --grad:linear-gradient(120deg,#0C3B33 0%,#17A67B 58%,#8FD14F 100%);
  --bg:#F7F8F4;
  --card:#FFFFFF;
  --soft:#F0F4EE;
  --ink:#101A16;
  --muted:#5C6B64;
  --line:#E2E7DF;
  --r-xl:32px;
  --r-lg:28px;
  --r-md:24px;
  --r-sm:16px;
  --r-btn:14px;
  --r-in:12px;
  --sh1:0 1px 2px rgba(12,59,51,.06);
  --sh2:0 10px 24px -16px rgba(12,59,51,.28);
  --sh3:0 24px 48px -28px rgba(12,59,51,.36);
  --sidebar:248px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:var(--teal);text-decoration:none;transition:color .2s ease}
a:hover{color:#0F8A66}
button{font:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}

/* ============ 侧栏 App Shell ============ */
.sidebar{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--sidebar);
  background:var(--deep);
  padding:20px 16px 24px;
  display:flex;
  flex-direction:column;
  overflow-y:auto;
  z-index:70;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-height:88px;
  padding:8px 6px 0;
  color:#fff;
}
.brand:hover{color:#fff}
.brand-mark{
  flex:0 0 auto;
  width:40px;height:40px;
  border-radius:14px;
  background:rgba(255,255,255,.08);
  display:grid;place-items:center;
  border:1px solid rgba(201,242,77,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text strong{font-size:14px;font-weight:800;letter-spacing:.01em}
.brand-text small{font-size:11px;letter-spacing:.12em;color:#7E928A;margin-top:4px}
.nav-group-title{
  font-size:11px;
  letter-spacing:.14em;
  color:#7E928A;
  padding:0 12px;
  margin:24px 0 10px;
  font-weight:600;
}
.nav-list{display:flex;flex-direction:column;gap:6px}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  min-height:44px;
  padding:0 14px;
  border-radius:14px;
  color:#CFE3DA;
  font-size:15px;
  line-height:1.4;
  transition:background .2s ease,color .2s ease;
}
.nav-item i{width:20px;text-align:center;font-size:15px;opacity:.9}
.nav-item:hover{background:rgba(255,255,255,.09);color:#fff}
.nav-item.active{
  background:var(--teal-soft);
  color:var(--deep);
  font-weight:700;
}
.nav-item.active i{opacity:1}
.nav-item.active::before{
  content:"";
  position:absolute;
  left:0;top:9px;bottom:9px;
  width:3px;border-radius:3px;
  background:var(--lime);
}
.sidebar-foot{margin-top:auto;padding-top:24px}
.sidebar-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:44px;width:100%;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-size:14px;font-weight:700;
  box-shadow:0 8px 20px -12px rgba(201,242,77,.6);
  transition:filter .2s ease,transform .2s ease;
}
.sidebar-cta:hover{filter:brightness(1.08);transform:translateY(-1px);color:#fff}
.sidebar-note{font-size:12px;color:#7E928A;margin-top:12px;text-align:center;line-height:1.6}

/* ============ 移动顶栏与抽屉 ============ */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:64px;
  background:var(--deep);
  color:#fff;
  align-items:center;
  justify-content:space-between;
  padding:0 12px;
  z-index:80;
  box-shadow:0 6px 18px -14px rgba(12,59,51,.6);
}
.topbar-brand{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:800;color:#fff}
.burger{
  width:44px;height:44px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.1);
  border:0;border-radius:12px;color:#fff;font-size:17px;
}
.burger:active{transform:scale(.96)}
.topbar-login{
  height:38px;display:inline-flex;align-items:center;gap:6px;
  padding:0 14px;border-radius:10px;
  background:var(--lime);color:#0C3B33;
  font-size:13px;font-weight:800;
}
.topbar-login:hover{color:#0C3B33;filter:brightness(1.05)}
.drawer{
  position:fixed;top:0;left:0;bottom:0;
  width:84vw;max-width:320px;
  background:var(--deep);
  padding:20px 16px;
  transform:translateX(-102%);
  transition:transform .28s ease;
  z-index:90;
  overflow-y:auto;
  display:flex;flex-direction:column;
}
.drawer.open{transform:translateX(0)}
.drawer .brand{min-height:72px}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(8,32,28,.55);
  opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
  z-index:85;
}
.drawer-mask.show{opacity:1;visibility:visible}

/* ============ 主区 ============ */
.main{margin-left:var(--sidebar);min-height:100vh}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:36px 48px 0;
}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--muted);
  margin-bottom:20px;
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--teal)}
.crumbs .sep{color:#B9C4BC}
.crumbs .current{color:var(--ink);font-weight:600}

/* ============ 横幅 ============ */
.banner{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  padding:52px 48px;
  color:#fff;
  background-image:linear-gradient(120deg,rgba(12,59,51,.82) 0%,rgba(23,166,123,.66) 62%,rgba(143,209,79,.5) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh3);
}
.banner h1{
  font-size:44px;
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.01em;
  max-width:860px;
}
.banner .lead{
  margin-top:18px;
  font-size:17px;
  line-height:1.7;
  color:#E4F1EA;
  max-width:620px;
}
.banner .actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.banner .hint{margin-top:14px;font-size:13px;color:#CFE3DA;letter-spacing:.02em}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1.5px solid transparent;
  transition:filter .2s ease,transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn i{font-size:13px;transition:transform .2s ease}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 12px 26px -18px rgba(12,59,51,.9);
}
.btn-primary:hover{filter:brightness(1.06);box-shadow:var(--sh3);color:#fff}
.btn-primary:hover i{transform:translateX(4px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:#fff;
  color:var(--teal);
  border-color:var(--teal);
}
.btn-ghost:hover{background:var(--teal-soft);color:#0F8A66}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{
  background:rgba(255,255,255,.14);
  color:#fff;
  border-color:rgba(255,255,255,.55);
  backdrop-filter:blur(2px);
}
.btn-light:hover{background:rgba(255,255,255,.24);color:#fff}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--teal);
  border-bottom:2px solid transparent;
  transition:border-color .2s ease,gap .2s ease;
}
.link-more:hover{border-color:var(--lime);gap:10px;color:#0F8A66}

/* ============ 徽章条 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:28px;
}
.stat-pill{
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:14px 20px;
  display:flex;align-items:center;gap:14px;
  box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.stat-pill:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.stat-pill i{
  width:36px;height:36px;flex:0 0 auto;
  border-radius:12px;
  background:var(--teal-soft);
  color:var(--teal);
  display:grid;place-items:center;
  font-size:15px;
}
.stat-num{
  font-size:30px;font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;
  color:var(--deep);
  display:flex;align-items:baseline;gap:3px;
}
.stat-num span{font-size:14px;font-weight:700;color:var(--muted)}
.stat-label{font-size:12px;color:var(--muted);margin-top:6px;line-height:1.4}

/* ============ 通用板块 ============ */
.section{margin-top:88px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em;
}
.section-head p{font-size:15px;color:var(--muted);margin-top:10px;max-width:620px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--teal);
  background:var(--teal-soft);
  padding:6px 14px;border-radius:999px;
  margin-bottom:14px;
}

/* ============ 图文错位 ============ */
.split{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:48px;
  align-items:center;
}
.media{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  aspect-ratio:16/10;
  background:var(--soft);
  box-shadow:var(--sh2);
}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.media:hover img{transform:scale(1.03)}
.media-tag{
  position:absolute;left:18px;top:18px;
  background:rgba(12,59,51,.86);
  color:#fff;font-size:12px;font-weight:700;
  padding:6px 14px;border-radius:999px;
  letter-spacing:.04em;
}
.split-body h2{font-size:32px;line-height:1.3;font-weight:700}
.split-body p{color:var(--muted);margin-top:16px;font-size:16px}
.point-list{margin-top:24px;display:grid;gap:14px}
.point-list li{
  position:relative;
  padding-left:22px;
  font-size:15.5px;
  color:var(--ink);
}
.point-list li::before{
  content:"";
  position:absolute;left:0;top:.72em;
  width:6px;height:6px;border-radius:999px;
  background:var(--teal);
}
.point-list li b{font-weight:700}
.point-list li em{font-style:normal;color:var(--muted)}

/* ============ 流程时间线 ============ */
.steps{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:40px;
  box-shadow:var(--sh1);
}
.step{
  position:relative;
  padding:0 0 32px 60px;
}
.step:last-child{padding-bottom:0}
.step:last-child::before{display:none}
.step::before{
  content:"";
  position:absolute;left:15px;top:34px;bottom:0;
  width:2px;background:var(--line);
}
.step-dot{
  position:absolute;left:0;top:0;
  width:32px;height:32px;border-radius:999px;
  background:var(--deep);color:var(--lime);
  display:grid;place-items:center;
  font-size:13px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;font-weight:600;line-height:1.5}
.step p{font-size:15px;color:var(--muted);margin-top:6px;max-width:640px}

/* ============ 键值条 ============ */
.kv-wrap{
  display:grid;
  grid-template-columns:.82fr 1.18fr;
  gap:48px;
  align-items:start;
}
.kv-wrap .kv-intro h2{font-size:32px;line-height:1.3;font-weight:700}
.kv-wrap .kv-intro p{color:var(--muted);margin-top:16px}
.kv{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh1);
}
.kv-row{
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:18px 26px;
  border-bottom:1px solid var(--line);
  font-size:15px;
}
.kv-row:last-child{border-bottom:0}
.kv-row dt{color:var(--muted);flex:0 0 auto;font-weight:600}
.kv-row dd{margin:0;text-align:right;font-weight:600;color:var(--ink)}

/* ============ FAQ ============ */
.faq{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:8px;
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--sh2)}
.faq-item.open{border-color:#BFE4D4;box-shadow:var(--sh2)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:100%;min-height:56px;
  padding:12px 26px;
  background:transparent;border:0;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  line-height:1.6;
}
.faq-q .sign{
  flex:0 0 auto;
  width:28px;height:28px;border-radius:999px;
  display:grid;place-items:center;
  background:var(--soft);color:var(--teal);
  font-size:13px;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item.open .sign{transform:rotate(45deg);background:var(--teal);color:#fff}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  padding:0 26px 22px;
  font-size:15px;line-height:1.8;color:var(--muted);
}

/* ============ CTA 大卡 ============ */
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  padding:56px 56px;
  color:#fff;
  background-image:linear-gradient(120deg,rgba(12,59,51,.92) 0%,rgba(23,166,123,.86) 58%,rgba(143,209,79,.62) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:var(--sh3);
}
.cta-card h2{font-size:30px;line-height:1.3;font-weight:800;max-width:520px}
.cta-card p{font-size:15px;color:#DCEDE5;margin-top:12px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--deep);
  color:#CFE3DA;
  margin-top:96px;
  padding:72px 0 0;
}
.site-footer .container{padding:0 48px}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:56px;
}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand .brand-mark{
  width:40px;height:40px;flex:0 0 auto;
  border-radius:14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(201,242,77,.28);
  display:grid;place-items:center;
}
.footer-brand strong{display:block;font-size:15px;color:#fff;font-weight:800;line-height:1.4}
.footer-brand small{display:block;font-size:11px;letter-spacing:.12em;color:#7E928A;margin-top:4px}
.site-footer .desc{
  margin-top:18px;font-size:14px;line-height:1.9;color:#A9C6BA;max-width:340px;
}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col a,.footer-col span{
  display:block;
  font-size:14px;
  line-height:2.2;
  color:#CFE3DA;
}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  font-size:13px;color:#93B3A6;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--sidebar:88px}
  .sidebar{padding:16px 12px;align-items:center}
  .brand{justify-content:center;min-height:72px;padding:0}
  .brand-text{display:none}
  .nav-group-title{display:none}
  .nav-item{justify-content:center;padding:0;gap:0}
  .nav-item .nav-label{display:none}
  .nav-item i{font-size:17px}
  .sidebar-cta{font-size:0;gap:0}
  .sidebar-cta i{font-size:16px}
  .sidebar-note{display:none}
  .container{padding:32px 32px 0}
  .site-footer .container{padding:0 32px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:64px}
  .container{padding:24px 20px 0}
  .site-footer .container{padding:0 20px}
  .banner{padding:36px 26px;border-radius:var(--r-md)}
  .banner h1{font-size:32px;line-height:1.25}
  .banner .lead{font-size:16px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:28px}
  .split-media-order{order:-1}
  .kv-wrap{grid-template-columns:1fr;gap:28px}
  .steps{padding:26px}
  .step{padding-left:52px}
  .cta-card{flex-direction:column;align-items:flex-start;padding:36px 26px;border-radius:var(--r-md)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{margin-top:64px}
  .site-footer{margin-top:64px;padding-top:52px}
}
@media (max-width:767px){
  .banner h1{font-size:28px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2,.split-body h2,.kv-wrap .kv-intro h2{font-size:24px}
  .banner .actions{width:100%}
  .banner .actions .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .stat-num{font-size:26px}
  .stat-pill{padding:12px 16px;gap:10px}
  .kv-row{flex-direction:column;gap:4px;padding:16px 20px}
  .kv-row dd{text-align:left}
  .faq-q{padding:12px 20px;font-size:15px}
  .faq-a p{padding:0 20px 20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:420px){
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:12px}
  .stat-pill{padding:12px 12px}
  .stat-num{font-size:22px}
  .banner{padding:28px 20px}
  .steps{padding:20px}
}

/* roulang page: category2 */
:root{
  --ink:#0C3B33;
  --ink-soft:#124A40;
  --brand:#17A67B;
  --brand-soft:#E6F4EE;
  --lime:#C9F24D;
  --orange:#EE6C3C;
  --page:#F7F8F4;
  --card:#FFFFFF;
  --soft:#F0F4EE;
  --text:#101A16;
  --muted:#5C6B64;
  --line:#E2E7DF;
  --white:#FFFFFF;
  --on-dark:#CFE3DA;
  --grad:linear-gradient(120deg,#0C3B33 0%,#17A67B 58%,#8FD14F 100%);
  --r-xl:32px;
  --r-lg:28px;
  --r-md:24px;
  --r-sm:16px;
  --r-btn:14px;
  --r-input:12px;
  --shadow-l1:0 1px 2px rgba(12,59,51,.06);
  --shadow-l2:0 10px 24px -16px rgba(12,59,51,.28);
  --shadow-l3:0 24px 48px -28px rgba(12,59,51,.36);
  --gap:24px;
  --side-w:248px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:#0E8A65;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em;}
h1{font-size:44px;line-height:1.15;font-weight:800;}
h2{font-size:32px;line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
h4{font-size:16px;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 48px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- App Shell ---------- */
.shell{min-height:100vh;}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--ink);
  color:var(--on-dark);
  display:flex;flex-direction:column;
  padding:0 16px 24px;
  z-index:80;
  overflow-y:auto;
}
.brand{
  display:flex;align-items:center;gap:12px;
  height:88px;flex:0 0 88px;
  margin-bottom:24px;
  padding:0 8px;
  color:var(--white);
  border-bottom:1px solid rgba(255,255,255,.10);
}
.brand:hover{color:var(--white);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(201,242,77,.12);
  border-radius:12px;
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-text strong{font-size:14px;font-weight:700;line-height:1.35;letter-spacing:.01em;}
.brand-text small{font-size:11px;letter-spacing:.12em;color:#8FB3A7;margin-top:2px;}
.nav-group{display:flex;flex-direction:column;gap:6px;}
.nav-group-title{
  font-size:11px;letter-spacing:.14em;color:#7E928A;
  padding:0 12px;margin-bottom:6px;display:block;
}
.nav-list{display:flex;flex-direction:column;gap:6px;}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;
  border-radius:var(--r-btn);
  color:var(--on-dark);
  font-size:15px;
  transition:background .2s ease,color .2s ease;
}
.nav-item i{font-size:16px;width:20px;text-align:center;flex:0 0 20px;}
.nav-item:hover{background:rgba(255,255,255,.09);color:#fff;}
.nav-item:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.nav-item.active{
  background:var(--brand-soft);
  color:var(--ink);
  font-weight:700;
}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--lime);
}
.side-login{
  margin-top:auto;
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:44px;border-radius:var(--r-btn);
  background:var(--grad);
  color:#fff;font-size:14px;font-weight:600;
  box-shadow:var(--shadow-l2);
  transition:filter .2s ease,transform .2s ease;
}
.side-login:hover{filter:brightness(1.08);color:#fff;transform:translateY(-1px);}
.side-login:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.main{margin-left:var(--side-w);min-height:100vh;}

/* ---------- 移动顶栏与抽屉 ---------- */
.mobile-bar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:64px;
  align-items:center;gap:12px;
  padding:0 14px;
  background:var(--ink);
  color:#fff;
  z-index:90;
  box-shadow:0 6px 20px -14px rgba(0,0,0,.7);
}
.bar-toggle{
  width:44px;height:44px;flex:0 0 44px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.10);border:0;border-radius:12px;color:#fff;font-size:17px;
  cursor:pointer;
}
.bar-toggle:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.bar-brand{
  flex:1;min-width:0;
  font-size:14px;font-weight:700;letter-spacing:.01em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.bar-login{
  height:38px;display:inline-flex;align-items:center;gap:6px;
  padding:0 14px;border-radius:12px;
  background:var(--grad);color:#fff;font-size:13px;font-weight:600;
}
.bar-login:hover{color:#fff;filter:brightness(1.08);}
.overlay{
  position:fixed;inset:0;background:rgba(8,32,28,.55);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
  z-index:75;
}
.overlay.show{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:0;cursor:pointer;
  transition:filter .2s ease,transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn i{transition:transform .2s ease;}
.btn:hover i{transform:translateX(4px);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-l2);}
.btn-primary:hover{filter:brightness(1.06);color:#fff;box-shadow:var(--shadow-l3);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.btn-ghost{background:#fff;color:var(--brand);border:1.5px solid var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:#0E8A65;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-ghost:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none;filter:none;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand);
  padding-bottom:2px;border-bottom:2px solid transparent;
}
.text-link:hover{color:#0E8A65;border-bottom-color:var(--lime);}
.text-link:hover i{transform:translateX(4px);}
.text-link i{transition:transform .2s ease;}

/* ---------- 首屏横幅 ---------- */
.page-hero{
  position:relative;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;
  padding:64px 0 72px;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(12,59,51,.94) 0%,rgba(23,166,123,.82) 58%,rgba(143,209,79,.66) 100%);
}
.page-hero .container{position:relative;z-index:1;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.78);margin-bottom:28px;}
.crumbs a{color:rgba(255,255,255,.9);}
.crumbs a:hover{color:var(--lime);}
.crumbs span.sep{opacity:.55;}
.crumbs .current{color:var(--lime);font-weight:600;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:999px;
  background:rgba(201,242,77,.18);
  border:1px solid rgba(201,242,77,.45);
  color:var(--lime);font-size:13px;font-weight:600;letter-spacing:.02em;
  margin-bottom:20px;
}
.page-hero h1{color:#fff;max-width:820px;margin-bottom:18px;text-shadow:0 2px 18px rgba(0,0,0,.18);}
.hero-sub{max-width:640px;font-size:17px;line-height:1.75;color:rgba(255,255,255,.9);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.62);}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.hero-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.75);}

/* 数据徽章 */
.hero-badges{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:42px;
}
.badge{
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:12px 20px;
  box-shadow:var(--shadow-l2);
  transition:transform .2s ease,box-shadow .2s ease;
}
.badge:hover{transform:translateY(-2px);box-shadow:var(--shadow-l3);}
.badge i{
  width:34px;height:34px;flex:0 0 34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:14px;
}
.badge-num{font-size:22px;font-weight:800;color:var(--ink);line-height:1.1;font-variant-numeric:tabular-nums;}
.badge-num small{font-size:12px;font-weight:600;margin-left:2px;color:var(--muted);}
.badge-label{display:block;font-size:12px;color:var(--muted);line-height:1.4;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:32px;
}
.section-head p{font-size:15px;color:var(--muted);margin-top:12px;max-width:620px;}
.section-head h2{max-width:640px;}

/* ---------- 场馆网格 ---------- */
.venue-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px;}
.venue-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-l1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.venue-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-l3);border-color:#CFE3DA;}
.venue-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--soft);}
.venue-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.venue-card:hover .venue-media img{transform:scale(1.03);}
.venue-media .tag{
  position:absolute;top:16px;left:16px;
  padding:5px 14px;border-radius:999px;
  background:rgba(23,166,123,.94);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.venue-body{padding:28px 30px 30px;display:flex;flex-direction:column;gap:12px;flex:1;}
.venue-body h3{margin:0;}
.venue-body p{font-size:15px;line-height:1.75;color:var(--muted);}
.venue-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:4px;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--soft);color:var(--muted);
  font-size:12px;font-variant-numeric:tabular-nums;
}
.chip i{font-size:11px;color:var(--brand);}
.venue-body .text-link{margin-top:auto;align-self:flex-start;}

/* ---------- 档期与规则（键值条 + 深色提示卡） ---------- */
.rules-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:32px;align-items:start;}
.spec-list{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:12px 34px;
  box-shadow:var(--shadow-l2);
  margin:0;
}
.spec-row{
  display:grid;grid-template-columns:170px 1fr;gap:24px;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.spec-row:last-child{border-bottom:0;}
.spec-row dt{font-size:14px;font-weight:600;color:var(--muted);}
.spec-row dd{margin:0;font-size:15.5px;line-height:1.7;}
.spec-row dd strong{color:var(--ink);font-variant-numeric:tabular-nums;}
.dark-card{
  position:relative;
  background:var(--ink);
  color:var(--on-dark);
  border-radius:var(--r-lg);
  padding:36px 32px;
  overflow:hidden;
  box-shadow:var(--shadow-l3);
}
.dark-card::after{
  content:"";position:absolute;right:-70px;top:-70px;width:210px;height:210px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,77,.24),rgba(201,242,77,0) 70%);
}
.dark-card h3{color:#fff;margin-bottom:20px;}
.dark-list{display:flex;flex-direction:column;gap:16px;position:relative;z-index:1;}
.dark-list li{display:flex;gap:12px;font-size:14.5px;line-height:1.7;color:var(--on-dark);}
.dark-list i{color:var(--lime);font-size:13px;margin-top:6px;}
.dark-card .btn{margin-top:26px;width:100%;background:var(--lime);color:var(--ink);box-shadow:none;}
.dark-card .btn:hover{filter:brightness(.96);color:var(--ink);transform:translateY(-2px);}

/* ---------- 预约流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flow-step{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:30px 26px 28px;
  box-shadow:var(--shadow-l1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-l3);}
.flow-num{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);
  font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.flow-step:nth-child(2) .flow-num{background:rgba(201,242,77,.3);color:#3D6B14;}
.flow-step h3{font-size:17px;margin-bottom:10px;}
.flow-step p{font-size:14px;line-height:1.75;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:8px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#CFE3DA;}
.faq-item.open{border-color:var(--brand);box-shadow:var(--shadow-l2);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:14px 24px;
  background:transparent;border:0;cursor:pointer;
  text-align:left;font-size:16px;font-weight:600;color:var(--text);
  line-height:1.6;
}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-2px;}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--soft);color:var(--brand);font-size:12px;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--brand);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .32s ease;
}
.faq-a p{
  padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--muted);
  max-width:72ch;
}
.faq-item.open .faq-a{max-height:420px;}

/* ---------- CTA 大卡 ---------- */
.cta-card{
  position:relative;
  background:var(--grad);
  border-radius:var(--r-xl);
  padding:64px;
  color:#fff;
  overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:var(--shadow-l3);
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  opacity:.1;
}
.cta-card > *{position:relative;z-index:1;}
.cta-card h2{color:#fff;max-width:560px;}
.cta-card p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.86);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto;}
.cta-actions .btn-primary{background:#fff;color:var(--ink);box-shadow:var(--shadow-l2);}
.cta-actions .btn-primary:hover{color:var(--ink);filter:brightness(.95);}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.65);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);padding:72px 0 32px;margin-top:96px;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{background:rgba(201,242,77,.14);}
.footer-brand strong{color:#fff;font-size:15px;display:block;line-height:1.4;}
.footer-brand small{font-size:11px;letter-spacing:.12em;color:#8FB3A7;}
.site-footer .desc{font-size:14px;line-height:1.9;color:var(--on-dark);max-width:340px;}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;}
.footer-col a,.footer-col span{display:block;font-size:14px;line-height:2.2;color:var(--on-dark);}
.footer-col a:hover{color:var(--lime);}
.footer-col a:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:24px;font-size:13px;color:#9FBDB2;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--side-w:88px;}
  .container{padding:0 32px;}
  .sidebar{padding:0 12px 20px;}
  .brand{justify-content:center;padding:0;height:76px;flex:0 0 76px;margin-bottom:20px;}
  .brand-text,.nav-group-title,.nav-label,.side-login span{display:none;}
  .nav-item{justify-content:center;padding:0;}
  .nav-item i{flex:0 0 auto;}
  .side-login{padding:0;}
  h1{font-size:38px;}
}
@media (max-width:1023px){
  .mobile-bar{display:flex;}
  .main{margin-left:0;padding-top:64px;}
  .sidebar{
    width:min(84vw,320px);
    transform:translateX(-104%);
    transition:transform .3s ease;
    padding:0 16px 24px;
  }
  .sidebar.open{transform:translateX(0);box-shadow:0 0 60px rgba(0,0,0,.45);}
  .brand{justify-content:flex-start;padding:0 8px;height:88px;flex:0 0 88px;margin-bottom:24px;}
  .brand-text,.nav-group-title,.nav-label{display:block;}
  .brand-text{display:flex;}
  .nav-item{justify-content:flex-start;padding:0 12px;}
  .side-login{padding:0;}
  .side-login span{display:inline;}
  .container{padding:0 28px;}
  .section{padding:72px 0;}
  .section.tight{padding:56px 0;}
  .hero-badges{grid-template-columns:repeat(2,1fr);}
  .venue-grid{grid-template-columns:1fr;}
  .rules-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .cta-card{flex-direction:column;align-items:flex-start;padding:48px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer{margin-top:72px;}
  h1{font-size:34px;}
  h2{font-size:28px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .page-hero{padding:44px 0 52px;}
  h1{font-size:30px;line-height:1.25;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  .hero-sub{font-size:15.5px;}
  .section{padding:48px 0;}
  .section.tight{padding:44px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .section-head .text-link{margin-top:0;}
  .hero-badges{grid-template-columns:repeat(2,1fr);gap:12px;}
  .badge{padding:10px 14px;gap:10px;}
  .badge-num{font-size:18px;}
  .venue-body{padding:22px 20px 24px;}
  .spec-list{padding:8px 20px;}
  .spec-row{grid-template-columns:1fr;gap:6px;padding:16px 0;}
  .dark-card{padding:28px 22px;}
  .flow{grid-template-columns:1fr;}
  .cta-card{padding:32px 22px;border-radius:var(--r-md);}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding-bottom:32px;}
  .site-footer{padding:48px 0 24px;margin-top:56px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .faq-q{font-size:15px;padding:14px 18px;}
  .faq-a p{padding:0 18px 18px;}
}
@media (max-width:420px){
  h1{font-size:26px;}
  .hero-tag{font-size:12px;padding:5px 12px;}
  .badge-label{font-size:11px;}
  .badge-num{font-size:17px;}
  .venue-body h3{font-size:17px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --ink:#0C3B33;
  --ink-deep:#08211D;
  --teal:#17A67B;
  --teal-soft:#E6F4EE;
  --lime:#C9F24D;
  --orange:#EE6C3C;
  --bg:#F7F8F4;
  --surface:#FFFFFF;
  --surface-2:#F0F4EE;
  --text:#101A16;
  --muted:#5C6B64;
  --line:#E2E7DF;
  --white:#FFFFFF;
  --grad:linear-gradient(120deg,#0C3B33 0%,#17A67B 58%,#8FD14F 100%);
  --r-xl:32px;
  --r-lg:28px;
  --r-md:24px;
  --r-sm:16px;
  --r-btn:14px;
  --r-input:12px;
  --sh1:0 1px 2px rgba(12,59,51,.06);
  --sh2:0 10px 24px -16px rgba(12,59,51,.28);
  --sh3:0 24px 48px -28px rgba(12,59,51,.36);
  --side:248px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}

/* ============ Reset / Base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,figure,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
img{display:block;max-width:100%;height:auto}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font:inherit;color:inherit}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}

/* ============ 布局骨架 ============ */
.main{
  margin-left:var(--side);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 48px;
}
.content-area{flex:1 1 auto;padding-bottom:96px}

/* ============ 侧栏导航 ============ */
.sidebar{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--side);
  background:var(--ink);
  padding:24px 18px 28px;
  display:flex;
  flex-direction:column;
  z-index:70;
  overflow-y:auto;
  scrollbar-width:thin;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-height:88px;
  padding:6px 8px 20px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.brand-mark{
  width:42px;height:42px;
  flex:0 0 42px;
  border-radius:14px;
  background:rgba(201,242,77,.10);
  display:flex;align-items:center;justify-content:center;
}
.brand-text{min-width:0}
.brand-text strong{
  display:block;
  color:#fff;
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  line-height:1.35;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.brand-text small{
  display:block;
  margin-top:4px;
  font-size:11px;
  letter-spacing:.12em;
  color:#8FB3A6;
}
.nav-group-title{
  margin:24px 10px 8px;
  font-size:11px;
  letter-spacing:.14em;
  color:#7E928A;
  font-weight:600;
}
.nav-list{display:flex;flex-direction:column;gap:6px}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  height:44px;
  padding:0 14px;
  border-radius:var(--r-btn);
  color:#CFE3DA;
  font-size:15px;
  font-weight:500;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.nav-item i{
  width:20px;
  font-size:16px;
  text-align:center;
  color:#8FB3A6;
  transition:color .2s var(--ease);
}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item:hover i{color:var(--lime)}
.nav-item.active{
  background:var(--teal-soft);
  color:var(--ink);
  font-weight:700;
}
.nav-item.active i{color:var(--teal)}
.nav-item.active::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:22px;
  border-radius:0 3px 3px 0;
  background:var(--lime);
}
.nav-item.active:hover{background:var(--teal-soft);color:var(--ink)}
.sidebar-foot{margin-top:auto;padding-top:24px}
.side-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  width:100%;
  height:44px;
  border-radius:var(--r-btn);
  background:var(--grad);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:var(--sh2);
  transition:filter .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.side-cta:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh3)}
.side-cta:active{transform:translateY(1px)}
.side-note{
  margin-top:14px;
  font-size:12px;
  line-height:1.7;
  color:#7E928A;
  text-align:center;
}

/* ============ 移动端顶栏与抽屉 ============ */
.mobile-bar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:64px;
  align-items:center;
  gap:10px;
  padding:0 14px;
  background:var(--ink);
  z-index:80;
  box-shadow:0 8px 24px -18px rgba(0,0,0,.6);
}
.menu-btn{
  width:44px;height:44px;
  flex:0 0 44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(255,255,255,.10);
  color:#fff;
  font-size:18px;
  transition:background .2s var(--ease);
}
.menu-btn:hover{background:rgba(255,255,255,.18)}
.mobile-brand{
  display:flex;
  align-items:center;
  gap:8px;
  min-width:0;
  flex:1 1 auto;
}
.mobile-brand strong{
  color:#fff;
  font-size:14px;
  font-weight:700;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.mobile-login{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 16px;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-size:14px;
  font-weight:600;
}
.scrim{
  position:fixed;
  inset:0;
  background:rgba(8,32,28,.55);
  opacity:0;
  visibility:hidden;
  transition:opacity .26s var(--ease),visibility .26s var(--ease);
  z-index:85;
}
.scrim.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;
  top:0;left:0;
  width:84vw;
  max-width:320px;
  height:100%;
  background:var(--ink);
  padding:24px 18px 28px;
  display:flex;
  flex-direction:column;
  transform:translateX(-100%);
  transition:transform .28s var(--ease);
  z-index:90;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}

/* ============ 页面通用 ============ */
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:14px;
  color:var(--muted);
  padding:28px 0 16px;
}
.crumbs a:hover{color:var(--teal)}
.crumbs .sep{color:#BCC9C0}
.crumbs .current{color:var(--text);font-weight:600}

.sec{margin-top:96px}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.sec-head h2{
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
}
.sec-head .sec-desc{
  margin-top:10px;
  font-size:15px;
  color:var(--muted);
  max-width:620px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--teal);
  white-space:nowrap;
  border-bottom:2px solid transparent;
  padding-bottom:2px;
  transition:gap .2s var(--ease),border-color .2s var(--ease);
}
.text-link:hover{gap:12px;border-bottom-color:var(--lime)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  transition:filter .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn i{font-size:13px;transition:transform .2s var(--ease)}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:var(--sh2);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh3)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh1)}
.btn-ghost{
  background:#fff;
  color:var(--teal);
  border:1.5px solid var(--teal);
}
.btn-ghost:hover{background:var(--teal-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{
  background:var(--lime);
  color:var(--ink);
  box-shadow:var(--sh2);
}
.btn-light:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:var(--sh3)}
.btn-outline-light{
  background:transparent;
  color:#fff;
  border:1.5px solid rgba(255,255,255,.55);
}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{
  opacity:.4;
  pointer-events:none;
  box-shadow:none;
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.tag-teal{background:var(--teal);color:#fff}
.tag-soft{background:var(--teal-soft);color:var(--ink)}
.tag-lime{background:rgba(201,242,77,.22);color:#4A6B12}
.tag-orange{background:rgba(238,108,60,.14);color:#B4451D}

/* ============ 页头横幅 ============ */
.page-hero{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh2);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:var(--grad);
  opacity:.74;
}
.hero-inner{
  position:relative;
  z-index:2;
  padding:64px 56px;
  max-width:780px;
  color:#fff;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:20px;
}
.hero-eyebrow i{color:var(--lime);font-size:12px}
.page-hero h1{
  font-size:44px;
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.01em;
  max-width:640px;
}
.hero-sub{
  margin-top:18px;
  font-size:16px;
  line-height:1.8;
  color:#E4F1EB;
  max-width:560px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.hero-note{
  margin-top:18px;
  font-size:13px;
  color:#CFE3DA;
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-note i{color:var(--lime)}

/* ============ 主推大卡 ============ */
.feature-card{
  display:grid;
  grid-template-columns:1.18fr .82fr;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--grad);
  color:#fff;
  box-shadow:var(--sh2);
  margin-top:32px;
}
.feature-body{
  padding:48px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:18px;
}
.feature-body h2{
  font-size:30px;
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.01em;
}
.feature-body p{
  font-size:15px;
  line-height:1.85;
  color:#E4F1EB;
  max-width:480px;
}
.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.data-badge{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding:12px 20px;
  border-radius:14px;
  background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.24);
  backdrop-filter:blur(2px);
}
.data-badge .num{
  font-size:34px;
  font-weight:800;
  line-height:1;
  color:var(--lime);
  font-variant-numeric:tabular-nums;
}
.data-badge .unit{font-size:13px;color:#CFE3DA}
.data-badge .lbl{font-size:12px;color:#A9C9BC;letter-spacing:.04em}
.feature-media{
  position:relative;
  min-height:320px;
}
.feature-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  aspect-ratio:16/10;
}
.feature-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(12,59,51,.55) 0%,rgba(12,59,51,0) 55%);
}
.feature-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:4px}

/* ============ 时间线 ============ */
.timeline{
  display:flex;
  flex-direction:column;
  gap:16px;
  position:relative;
}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:96px 1fr;
  gap:24px;
  padding-bottom:16px;
}
.tl-item:not(:last-child)::after{
  content:"";
  position:absolute;
  left:47px;
  top:84px;
  bottom:-8px;
  width:2px;
  background:var(--line);
  border-radius:2px;
}
.tl-date{
  width:96px;
  height:76px;
  border-radius:var(--r-sm);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh1);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:2px;
  position:relative;
  z-index:2;
}
.tl-date .d{
  font-size:28px;
  font-weight:800;
  line-height:1;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.tl-date .m{
  font-size:12px;
  color:var(--muted);
  letter-spacing:.06em;
}
.tl-date .hd{
  position:absolute;
  top:-9px;
  left:50%;
  transform:translateX(-50%);
  height:18px;
  padding:0 9px;
  border-radius:999px;
  background:var(--lime);
  color:#3D5A0E;
  font-size:10px;
  font-weight:700;
  letter-spacing:.06em;
  display:flex;
  align-items:center;
  white-space:nowrap;
}
.tl-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 28px;
  box-shadow:var(--sh1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.tl-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh3);
  border-color:#CFE0D6;
}
.tl-card .row-top{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:10px;
}
.tl-card h3{
  font-size:20px;
  font-weight:600;
  line-height:1.45;
}
.tl-card p{
  margin-top:8px;
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
}
.tl-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.tl-meta span{display:inline-flex;align-items:center;gap:6px}
.tl-meta i{color:var(--teal);font-size:12px}
.tl-meta .tl-link{
  margin-left:auto;
  color:var(--teal);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.tl-meta .tl-link:hover{gap:10px}

/* ============ 流程 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  counter-reset:step;
}
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px 24px 26px;
  box-shadow:var(--sh1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.step-num{
  width:32px;height:32px;
  border-radius:50%;
  background:var(--ink);
  color:var(--lime);
  font-size:14px;
  font-weight:800;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step h3{font-size:16px;font-weight:600;line-height:1.5}
.step p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted)}
.step:not(:last-child)::after{
  content:"";
  position:absolute;
  top:44px;
  right:-14px;
  width:8px;height:8px;
  border-top:2px solid var(--line);
  border-right:2px solid var(--line);
  transform:rotate(45deg);
}

/* ============ 键值须知条 ============ */
.kv-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:16px 40px;
  box-shadow:var(--sh1);
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0 48px;
}
.kv-row{
  display:flex;
  align-items:flex-start;
  gap:16px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.kv-panel .kv-row:nth-last-child(-n+2){border-bottom:0}
.kv-key{
  flex:0 0 92px;
  font-size:14px;
  font-weight:600;
  color:var(--teal);
  display:flex;
  align-items:center;
  gap:8px;
}
.kv-key i{font-size:13px}
.kv-val{font-size:14px;line-height:1.75;color:var(--muted)}
.kv-val strong{color:var(--text);font-weight:600}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:8px;
  overflow:hidden;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.faq-item:hover{border-color:#CFE0D6;box-shadow:var(--sh1)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:14px 24px;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  transition:background .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FAFBF7}
.faq-icon{
  flex:0 0 28px;
  width:28px;height:28px;
  border-radius:50%;
  background:var(--teal-soft);
  color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;
  transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
}
.faq-item[open] .faq-icon{
  transform:rotate(45deg);
  background:var(--ink);
  color:var(--lime);
}
.faq-answer{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}
.faq-item[open] summary{color:var(--ink)}

/* ============ 结尾 CTA ============ */
.cta-card{
  position:relative;
  margin-top:96px;
  border-radius:var(--r-xl);
  overflow:hidden;
  background:var(--grad);
  color:#fff;
  padding:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
  box-shadow:var(--sh3);
}
.cta-card::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
  opacity:.11;
}
.cta-text{position:relative;z-index:2;max-width:600px}
.cta-text h2{
  font-size:32px;
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.01em;
}
.cta-text p{
  margin-top:14px;
  font-size:15px;
  line-height:1.85;
  color:#DCEFE6;
}
.cta-actions{
  position:relative;
  z-index:2;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:#CFE3DA;
  padding:72px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:56px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:18px;
}
.footer-brand .brand-mark{
  width:42px;height:42px;flex:0 0 42px;
  border-radius:14px;
  background:rgba(201,242,77,.10);
  display:flex;align-items:center;justify-content:center;
}
.footer-brand strong{
  display:block;
  color:#fff;
  font-size:15px;
  font-weight:700;
  line-height:1.4;
}
.footer-brand small{
  display:block;
  margin-top:4px;
  font-size:11px;
  letter-spacing:.12em;
  color:#8FB3A6;
}
.site-footer .desc{
  font-size:14px;
  line-height:1.85;
  color:#A9C9BC;
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
  letter-spacing:.02em;
}
.footer-col a,
.footer-col span{
  display:block;
  font-size:14px;
  line-height:2.2;
  color:#CFE3DA;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:var(--lime);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8FB3A6;
}

/* ============ 响应式 ============ */
@media (min-width:1024px) and (max-width:1279px){
  :root{--side:88px}
  .sidebar{padding:20px 14px 24px;align-items:center}
  .brand{
    justify-content:center;
    padding:6px 0 18px;
    width:100%;
  }
  .brand-text{display:none}
  .nav-group-title{display:none}
  .nav-list{width:100%;align-items:center}
  .nav-item{
    width:52px;
    padding:0;
    justify-content:center;
    gap:0;
  }
  .nav-label{display:none}
  .nav-item i{font-size:18px}
  .side-cta{padding:0;width:52px}
  .side-cta span{display:none}
  .side-note{display:none}
  .container{padding:0 32px}
  .hero-inner{padding:52px 40px}
  .page-hero h1{font-size:38px}
}

@media (max-width:1023px){
  :root{--side:0px}
  .sidebar{display:none}
  .mobile-bar{display:flex}
  .main{margin-left:0;padding-top:64px}
  .container{padding:0 24px}
  .content-area{padding-bottom:72px}
  .sec{margin-top:72px}
  .page-hero h1{font-size:34px;line-height:1.25}
  .hero-inner{padding:44px 32px}
  .feature-card{grid-template-columns:1fr}
  .feature-body{padding:36px 32px;order:2}
  .feature-media{min-height:240px;order:1}
  .feature-media img{aspect-ratio:16/9}
  .feature-media::after{background:linear-gradient(180deg,rgba(12,59,51,0) 40%,rgba(12,59,51,.55) 100%)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:not(:last-child)::after{display:none}
  .kv-panel{grid-template-columns:1fr;padding:8px 28px}
  .kv-panel .kv-row:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
  .kv-panel .kv-row:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{padding:44px 36px;border-radius:var(--r-lg)}
  .cta-text h2{font-size:26px}
  .sec-head h2{font-size:26px}
}

@media (max-width:767px){
  .container{padding:0 18px}
  .sec{margin-top:48px}
  .page-hero{border-radius:var(--r-md)}
  .hero-inner{padding:36px 22px}
  .page-hero h1{font-size:28px;line-height:1.28}
  .hero-sub{font-size:15px}
  .hero-actions{gap:10px}
  .btn{width:100%;justify-content:center}
  .hero-actions .btn{width:100%}
  .feature-body{padding:28px 22px}
  .feature-body h2{font-size:24px}
  .data-badge .num{font-size:28px}
  .tl-item{grid-template-columns:1fr;gap:12px}
  .tl-item::after{display:none}
  .tl-date{
    width:auto;
    height:auto;
    flex-direction:row;
    align-items:baseline;
    gap:8px;
    padding:8px 14px;
    border-radius:999px;
    align-self:flex-start;
  }
  .tl-date .d{font-size:20px}
  .tl-date .hd{position:static;transform:none}
  .tl-card{padding:22px 20px}
  .tl-card h3{font-size:18px}
  .tl-meta .tl-link{margin-left:0;width:100%}
  .steps{grid-template-columns:1fr}
  .kv-key{flex:0 0 76px}
  .sec-head{margin-bottom:24px}
  .sec-head h2{font-size:23px}
  .cta-card{padding:32px 22px;gap:24px}
  .cta-text h2{font-size:22px}
  .cta-actions{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:40px}
  .site-footer{padding-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-item summary{padding:14px 18px;font-size:15px}
  .faq-answer{padding:0 18px 18px;font-size:14.5px}
  .crumbs{font-size:13px;padding:20px 0 12px}
}

@media (max-width:420px){
  .container{padding:0 14px}
  .page-hero h1{font-size:25px}
  .data-badge{padding:10px 14px}
  .badge-row{gap:10px}
}

/* roulang page: category4 */
:root{
  --ink:#101A16;
  --deep:#0C3B33;
  --brand:#17A67B;
  --brand-dark:#0F8B66;
  --lime:#C9F24D;
  --orange:#EE6C3C;
  --page:#F7F8F4;
  --surface:#FFFFFF;
  --soft:#F0F4EE;
  --cream:#F6F7F3;
  --muted:#5C6B64;
  --line:#E2E7DF;
  --tint:#E6F4EE;
  --grad:linear-gradient(120deg,#0C3B33 0%,#17A67B 58%,#8FD14F 100%);
  --r-lg:28px;
  --r-md:24px;
  --r-sm:16px;
  --r-btn:14px;
  --r-in:12px;
  --sh1:0 1px 2px rgba(12,59,51,.06);
  --sh2:0 10px 24px -16px rgba(12,59,51,.28);
  --sh3:0 24px 48px -28px rgba(12,59,51,.36);
  --sidebar-w:248px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
button,input,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.tnum{font-variant-numeric:tabular-nums}

/* ============ 左侧导航 ============ */
.topbar{display:none}
.overlay{position:fixed;inset:0;background:rgba(8,32,28,.55);opacity:0;pointer-events:none;transition:opacity .26s ease;z-index:70}

.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--deep);
  padding:0 16px 24px;
  display:flex;
  flex-direction:column;
  overflow-y:auto;
  z-index:80;
}
.brand{display:flex;align-items:center;gap:10px;height:88px;flex:none;margin-bottom:24px}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(201,242,77,.28);
}
.brand-text strong{display:block;color:#fff;font-size:14px;line-height:1.3;font-weight:700;letter-spacing:.01em}
.brand-text small{display:block;color:#7E928A;font-size:11px;letter-spacing:.12em;margin-top:3px}

.nav-group-title{
  font-size:11px;letter-spacing:.14em;color:#7E928A;
  padding:0 12px;margin-bottom:10px;font-weight:600;
}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;border-radius:14px;
  color:#CFE3DA;font-size:15px;
  transition:background .2s ease,color .2s ease;
}
.nav-item i{width:20px;font-size:15px;text-align:center;flex:none}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{background:var(--tint);color:var(--deep);font-weight:700}
.nav-item.active i{color:var(--brand)}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:999px;background:var(--lime);
}
.sidebar-foot{margin-top:auto;padding-top:24px}
.side-login{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:44px;width:100%;border-radius:14px;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 8px 18px -12px rgba(201,242,77,.9);
  transition:filter .2s ease,transform .2s ease,box-shadow .2s ease;
}
.side-login:hover{color:#fff;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(12,59,51,.9)}
.side-login:active{transform:translateY(1px)}

/* ============ 主区域 ============ */
.main{margin-left:var(--sidebar-w);padding:32px 48px 0}
.container{max-width:1240px;margin:0 auto}

.crumbs{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#B7C4BC}
.crumbs strong{color:var(--ink);font-weight:600}

/* Hero */
.hero{
  position:relative;overflow:hidden;border-radius:32px;
  padding:56px;
  color:#fff;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  box-shadow:var(--sh3);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(12,59,51,.92) 0%,rgba(12,59,51,.78) 46%,rgba(23,166,123,.68) 100%);
}
.hero-inner{position:relative;z-index:1;max-width:820px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:rgba(201,242,77,.16);border:1px solid rgba(201,242,77,.45);
  color:var(--lime);font-size:13px;font-weight:600;letter-spacing:.04em;
  margin-bottom:20px;
}
.hero h1{
  font-size:44px;line-height:1.15;font-weight:800;letter-spacing:-.01em;
  max-width:760px;
}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.7;color:#DDEBE4;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:40px;
}
.hero-meta li{
  display:flex;align-items:baseline;gap:8px;
  padding:12px 20px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(2px);
}
.hero-meta strong{font-size:22px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1}
.hero-meta span{font-size:12px;color:#CFE3DA;letter-spacing:.04em}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:all .2s ease;white-space:nowrap;
}
.btn i{transition:transform .2s ease}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 22px -14px rgba(12,59,51,.9)}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 18px 30px -16px rgba(12,59,51,.85)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--brand-dark);border-color:var(--brand)}
.btn-outline:hover{background:var(--tint);color:var(--brand-dark);transform:translateY(-2px)}
.btn:disabled{opacity:.4;pointer-events:none}

/* 帮助入口卡 */
.entry-section{margin-top:56px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em}
.section-head p{font-size:15px;color:var(--muted);margin-top:10px;max-width:560px}
.text-link{font-size:14px;font-weight:600;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.text-link:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;text-decoration-color:var(--lime)}
.text-link:hover i{transform:translateX(4px)}
.text-link i{transition:transform .2s ease}

.entry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.entry-card{
  display:block;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:28px 24px;
  box-shadow:var(--sh1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh3);border-color:#CFE3DA;color:var(--ink)}
.entry-icon{
  width:44px;height:44px;border-radius:14px;
  background:var(--tint);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:18px;
  margin-bottom:18px;
}
.entry-card h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--ink)}
.entry-card p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--muted)}
.entry-card .more{margin-top:18px;font-size:14px;font-weight:600;color:var(--brand-dark);display:flex;align-items:center;gap:6px}
.entry-card:hover .more i{transform:translateX(4px)}
.entry-card .more i{transition:transform .2s ease}

/* 图文说明带 */
.help-band{
  margin-top:56px;
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh2);
}
.help-band .media{position:relative;aspect-ratio:16/11;overflow:hidden;background:var(--soft)}
.help-band .media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.help-band:hover .media img{transform:scale(1.03)}
.help-band .body{padding:40px}
.help-band h2{font-size:26px;line-height:1.35;font-weight:700}
.help-band p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--muted)}
.help-band ul{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.help-band li{display:flex;gap:12px;font-size:15px;line-height:1.75;color:#31423A}
.help-band li::before{content:"";flex:none;width:6px;height:6px;border-radius:999px;background:var(--brand);margin-top:11px}

/* FAQ 双栏 */
.faq-section{margin-top:88px}
.help-grid{display:grid;grid-template-columns:264px minmax(0,1fr);gap:32px;align-items:start}
.anchor-card{
  position:sticky;top:24px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px 18px;box-shadow:var(--sh1);
}
.anchor-card h2{font-size:15px;font-weight:700;letter-spacing:.02em;margin-bottom:14px;color:var(--ink)}
.anchor-list{display:flex;flex-direction:column;gap:2px}
.anchor-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:12px;font-size:14px;color:#3C4B44;
  transition:background .2s ease,color .2s ease;
}
.anchor-list a span.count{font-size:12px;color:#9AA9A1;font-variant-numeric:tabular-nums}
.anchor-list a:hover{background:var(--soft);color:var(--deep)}
.anchor-list a.is-active{background:var(--tint);color:var(--deep);font-weight:600}
.anchor-list a.is-active span.count{color:var(--brand-dark)}
.anchor-note{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;line-height:1.7;color:var(--muted);
}

.faq-list{display:flex;flex-direction:column;gap:8px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:24px;overflow:hidden;scroll-margin-top:96px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#CFE3DA;box-shadow:var(--sh1)}
.faq-item.open{border-color:var(--brand);box-shadow:var(--sh2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 22px;
  background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:focus-visible{outline-offset:-4px}
.plus{
  position:relative;flex:none;width:28px;height:28px;border-radius:999px;
  background:var(--tint);transition:background .24s ease;
}
.plus::before,.plus::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--brand-dark);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .24s ease,background .24s ease;
}
.plus::before{width:12px;height:2px}
.plus::after{width:2px;height:12px}
.faq-item.open .plus{background:var(--deep)}
.faq-item.open .plus::before,.faq-item.open .plus::after{background:var(--lime)}
.faq-item.open .plus::after{transform:translate(-50%,-50%) rotate(90deg) scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--muted);max-width:72ch}
.faq-a p strong{color:var(--ink);font-weight:600}

/* 联系表单 */
.contact-section{margin-top:88px}
.form-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:44px;box-shadow:var(--sh2);
}
.form-head{max-width:640px;margin-bottom:32px}
.form-head h2{font-size:32px;line-height:1.3;font-weight:700}
.form-head p{margin-top:12px;font-size:15px;color:var(--muted)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;color:#31423A;letter-spacing:.02em}
.field input,.field textarea{
  height:48px;padding:0 16px;border-radius:var(--r-in);
  border:1px solid var(--line);background:var(--page);color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:auto;min-height:132px;padding:14px 16px;line-height:1.8;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#9AA9A1}
.field input:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(23,166,123,.18);
}
.form-actions{grid-column:1 / -1;display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:8px}
.form-note{font-size:13px;color:var(--brand-dark);min-height:20px;line-height:1.7}
.form-tip{font-size:13px;color:var(--muted)}
.form-tip i{color:var(--brand);margin-right:6px}

/* 服务约定 */
.policy-section{margin-top:88px}
.policy-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.policy-row{
  display:grid;grid-template-columns:200px minmax(0,1fr);
  gap:24px;padding:26px 32px;
}
.policy-row + .policy-row{border-top:1px solid var(--line)}
.policy-row h3{font-size:16px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:10px}
.policy-row h3 i{color:var(--brand);font-size:14px}
.policy-row p{font-size:15px;line-height:1.8;color:var(--muted)}

/* CTA */
.cta-card{
  position:relative;overflow:hidden;margin-top:88px;
  border-radius:32px;padding:64px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:var(--sh3);
}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.12;pointer-events:none;
}
.cta-card > *{position:relative;z-index:1}
.cta-card h2{font-size:32px;line-height:1.3;font-weight:700;max-width:560px}
.cta-card p{margin-top:14px;font-size:15px;line-height:1.8;color:#DDEBE4;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:none}
.cta-actions .btn-primary{background:#fff;color:var(--deep);box-shadow:0 14px 30px -18px rgba(0,0,0,.5)}
.cta-actions .btn-primary:hover{background:#F2FBEF;color:var(--deep)}

/* 页脚 */
.site-footer{background:var(--deep);color:#CFE3DA;padding:72px 0 32px;margin-top:96px}
.site-footer .container{padding:0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{width:46px;height:46px}
.footer-brand strong{display:block;color:#fff;font-size:16px;font-weight:700;line-height:1.3}
.footer-brand small{display:block;font-size:11px;letter-spacing:.12em;color:#7E928A;margin-top:4px}
.site-footer .desc{font-size:14px;line-height:1.9;color:#A9C4B8;max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col a,.footer-col span{display:block;font-size:14px;line-height:2.2;color:#CFE3DA}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:56px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FAFA1;
}

/* ============ 平板：折叠图标栏 ============ */
@media (min-width:1024px) and (max-width:1279px){
  .sidebar{width:88px;padding:0 12px 24px;overflow:visible}
  .brand{justify-content:center;margin-bottom:24px}
  .brand-text{display:none}
  .nav-group-title{display:none}
  .nav-item{justify-content:center;padding:0}
  .nav-item .nav-label{display:none}
  .nav-item::after{
    content:attr(data-label);
    position:absolute;left:calc(100% + 14px);top:50%;transform:translateY(-50%);
    background:var(--deep);color:#fff;font-size:13px;font-weight:500;
    padding:6px 12px;border-radius:8px;white-space:nowrap;
    opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:9;
    box-shadow:var(--sh2);
  }
  .nav-item:hover::after{opacity:1}
  .side-login span{display:none}
  .main{margin-left:88px;padding:32px 32px 0}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero{padding:44px}
  .hero h1{font-size:38px}
  .help-band .body{padding:32px}
}

/* ============ 移动/平板：顶部栏 + 抽屉 ============ */
@media (max-width:1023px){
  .topbar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:fixed;top:0;left:0;right:0;height:64px;padding:0 16px;
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    z-index:60;
  }
  .menu-btn{
    width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
    background:#fff;color:var(--deep);display:flex;align-items:center;justify-content:center;
    font-size:17px;flex:none;
  }
  .menu-btn:active{background:var(--soft)}
  .topbar-brand{display:flex;align-items:center;gap:8px;min-width:0}
  .topbar-brand .brand-mark{width:30px;height:30px;border-radius:9px;border:1px solid #CFE3DA;background:var(--tint)}
  .topbar-brand strong{font-size:14px;font-weight:700;color:var(--deep);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .topbar-cta{
    height:38px;padding:0 16px;border-radius:12px;background:var(--grad);color:#fff;
    font-size:13px;font-weight:600;display:inline-flex;align-items:center;white-space:nowrap;flex:none;
  }
  .topbar-cta:hover{color:#fff}

  .sidebar{
    width:84vw;max-width:320px;
    transform:translateX(-100%);
    transition:transform .28s cubic-bezier(.4,0,.2,1);
    z-index:80;
  }
  .sidebar.open{transform:translateX(0)}
  .overlay.show{opacity:1;pointer-events:auto}

  .main{margin-left:0;padding:88px 20px 0}
  .hero{padding:36px 24px;border-radius:24px}
  .hero h1{font-size:32px;line-height:1.25}
  .hero-sub{font-size:15px}
  .hero-meta{gap:10px;margin-top:28px}
  .hero-meta li{padding:10px 14px}
  .hero-meta strong{font-size:18px}

  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2{font-size:26px}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .entry-section{margin-top:48px}

  .help-band{grid-template-columns:1fr;margin-top:48px}
  .help-band .media{aspect-ratio:16/9}
  .help-band .body{padding:28px}

  .faq-section{margin-top:56px}
  .help-grid{grid-template-columns:1fr;gap:24px}
  .anchor-card{position:static}
  .anchor-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px}

  .contact-section,.policy-section,.cta-card,.faq-section{margin-top:56px}
  .form-card{padding:28px 22px;border-radius:24px}
  .form-head h2{font-size:26px}
  .form-grid{grid-template-columns:1fr;gap:20px}
  .policy-row{grid-template-columns:1fr;gap:8px;padding:22px}
  .cta-card{flex-direction:column;align-items:flex-start;padding:36px 24px;border-radius:24px}
  .cta-card h2{font-size:26px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}

  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-footer{padding:56px 0 28px;margin-top:64px}
}

@media (max-width:520px){
  .main{padding:84px 16px 0}
  .hero{padding:30px 20px}
  .hero h1{font-size:27px}
  .hero-actions .btn{width:100%}
  .hero-meta li{flex:1 1 calc(50% - 5px);justify-content:center}
  .entry-grid{grid-template-columns:1fr}
  .anchor-list{grid-template-columns:1fr}
  .faq-q{font-size:15px;padding:14px 18px}
  .faq-a p{padding:0 18px 20px;font-size:14.5px}
  .section-head h2,.form-head h2,.cta-card h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px;font-size:12px}
  .form-card{padding:24px 18px}
  .policy-row{padding:20px 18px}
}