/* roulang page: index */
:root{
  --ink:#0E1F1A;
  --jade:#2F7D68;
  --ember:#E2542B;
  --paper:#F6F3EC;
  --card:#FFFFFF;
  --line:#E3DCCF;
  --text:#1B2420;
  --muted:#6B6A63;
  --r-card:14px;
  --r-img:12px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(14,31,26,.06), 0 10px 28px -20px rgba(14,31,26,.22);
  --sh-hover:0 18px 44px -22px rgba(14,31,26,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  padding-bottom:calc(56px + env(safe-area-inset-bottom));
  overflow-x:hidden;
}
@media (min-width:1024px){ body{padding-bottom:0} }
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.num{font-variant-numeric:tabular-nums}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){ .shell{padding:0 32px} }
.section{padding:64px 0}
@media (min-width:1024px){ .section{padding:96px 0} }
.section-tight{padding:48px 0}
@media (min-width:1024px){ .section-tight{padding:64px 0} }
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.12em;color:var(--jade);
  font-weight:600;margin-bottom:10px;
}
h1{font-size:clamp(30px,5vw,56px);font-weight:800;line-height:1.14;letter-spacing:-.02em;color:var(--ink)}
h2{font-size:clamp(24px,3.2vw,36px);font-weight:700;line-height:1.24;letter-spacing:-.01em;color:var(--ink)}
h3{font-size:20px;font-weight:600;line-height:1.4;color:var(--ink)}
.lead{font-size:16px;color:var(--muted);line-height:1.85}
.section-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:32px}
@media (min-width:1024px){ .section-head{margin-bottom:44px} }

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),background-color .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;line-height:1;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--ember);color:#fff}
.btn-primary:hover{background:#c9451f;transform:translateY(-2px);box-shadow:var(--sh-hover)}
.btn-primary:active{transform:translateY(-1px)}
.btn-dark{background:var(--ink);color:#F6F3EC}
.btn-dark:hover{background:#183129;transform:translateY(-2px);box-shadow:var(--sh-hover)}
.btn-dark:active{transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh)}
.btn-ghost:active{transform:translateY(-1px)}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--jade);outline-offset:2px}

/* ---------- 文字链 ---------- */
.text-link{
  font-size:15px;font-weight:600;color:var(--jade);
  background-image:linear-gradient(currentColor,currentColor);
  background-repeat:no-repeat;background-position:0 100%;background-size:0% 1px;
  transition:background-size .24s var(--ease),color .2s var(--ease);
  padding-bottom:2px;
}
.text-link:hover{background-size:100% 1px;color:var(--ink)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(246,243,236,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 24px -18px rgba(14,31,26,.5)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--ink);color:#F6F3EC;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;letter-spacing:0;flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.02em}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--jade);font-weight:600}
.nav-links{display:none;align-items:center;gap:28px}
@media (min-width:1024px){ .nav-links{display:flex} }
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--muted);padding:6px 0;
  transition:color .2s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--ember);border-radius:2px;
}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-cta .btn-dark{height:40px;padding:0 18px;font-size:14px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:48px 0 56px;overflow:hidden}
@media (min-width:1024px){ .hero{padding:80px 0 88px} }
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(680px 380px at 88% -12%, rgba(47,125,104,.12), transparent 70%),
    radial-gradient(520px 320px at 4% 108%, rgba(226,84,43,.08), transparent 70%);
}
.hero-grid{display:grid;gap:40px;align-items:center}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:7fr 5fr;gap:56px}
}
.brand-chip{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--jade);letter-spacing:.06em;
  box-shadow:var(--sh);margin-bottom:18px;
}
.brand-chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ember)}
.hero h1{margin-bottom:16px}
.hero-sub{font-size:clamp(17px,2.2vw,21px);font-weight:600;color:var(--ink);margin-bottom:14px;letter-spacing:.01em}
.hero-text{font-size:16px;color:var(--muted);max-width:620px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:36px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px 36px;border-top:1px solid var(--line);padding-top:22px}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats b{font-size:26px;font-weight:800;color:var(--ember);line-height:1.1;font-variant-numeric:tabular-nums}
.hero-stats span{font-size:13px;color:var(--muted)}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh);border:1px solid var(--line)}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,31,26,.06) 0%,rgba(14,31,26,.42) 100%);
  pointer-events:none;
}
.hero-chip{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:rgba(246,243,236,.96);border-radius:12px;padding:10px 16px;
  display:flex;flex-direction:column;gap:2px;border:1px solid rgba(227,220,207,.9);
}
.hero-chip strong{font-size:14px;font-weight:700;color:var(--ink)}
.hero-chip span{font-size:12px;color:var(--jade);font-weight:600}
@media (max-width:639px){
  .hero-media img{aspect-ratio:16/10}
}

/* ---------- Bento 主推区 ---------- */
.bento{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:768px){ .bento{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){
  .bento{grid-template-columns:repeat(6,1fr)}
  .bento > .b1{grid-column:span 3;grid-row:span 2}
  .bento > .b2,.bento > .b3{grid-column:span 3}
  .bento > .b4,.bento > .b5,.bento > .b6{grid-column:span 2}
}
.card{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#d7cebD}
.card:hover .card-img img{transform:scale(1.04)}
.card-img{aspect-ratio:16/10;overflow:hidden;background:#eae5da}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card-body{padding:20px}
@media (min-width:1024px){ .card-body{padding:24px} }
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(47,125,104,.1);color:var(--jade);
}
.badge-ember{background:rgba(226,84,43,.1);color:var(--ember)}
.card-title{margin:12px 0 8px;font-size:19px;font-weight:700;color:var(--ink);line-height:1.4}
.card-desc{font-size:14px;color:var(--muted);line-height:1.8}
.card-foot{
  margin-top:16px;font-size:14px;font-weight:600;color:var(--jade);
  display:inline-flex;align-items:center;gap:6px;
  transition:gap .2s var(--ease),color .2s var(--ease);
}
.card:hover .card-foot{gap:12px;color:var(--ink)}

.feature-card{
  position:relative;display:block;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);min-height:340px;box-shadow:var(--sh);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.feature-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.feature-card:hover img{transform:scale(1.04)}
.feature-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,31,26,.10) 0%,rgba(14,31,26,.30) 45%,rgba(14,31,26,.86) 100%);
}
.feature-body{
  position:relative;z-index:2;height:100%;min-height:340px;
  padding:24px;display:flex;flex-direction:column;justify-content:flex-end;color:#F6F3EC;
}
@media (min-width:1024px){ .feature-body{padding:32px;min-height:440px} }
.feature-body .badge{background:rgba(246,243,236,.18);color:#F6F3EC;align-self:flex-start}
.feature-body h3{color:#F6F3EC;font-size:clamp(22px,2.4vw,30px);font-weight:800;margin:14px 0 10px;line-height:1.28}
.feature-body p{color:rgba(246,243,236,.82);font-size:15px;max-width:520px}
.feature-body .card-foot{color:#F6F3EC}
.feature-card:hover .feature-body .card-foot{gap:12px}

.mini-card{display:flex;flex-direction:column;padding:22px;min-height:180px}
.mini-icon{
  width:42px;height:42px;border-radius:12px;background:rgba(47,125,104,.1);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;flex-shrink:0;
}
.mini-icon svg{width:22px;height:22px;stroke:var(--jade);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.mini-card h3{font-size:17px;margin-bottom:8px}
.mini-card p{font-size:14px;color:var(--muted);line-height:1.8;flex:1}

/* ---------- 保障条 ---------- */
.guard-band{background:var(--ink);color:#F6F3EC;padding:48px 0}
@media (min-width:1024px){ .guard-band{padding:60px 0} }
.guard-grid{display:grid;gap:28px;grid-template-columns:1fr}
@media (min-width:640px){ .guard-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .guard-grid{grid-template-columns:repeat(4,1fr);gap:32px} }
.guard-item{display:flex;flex-direction:column;gap:8px}
.guard-item svg{width:24px;height:24px;stroke:#8FC8B6;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.guard-item strong{font-size:17px;font-weight:700;color:#F6F3EC}
.guard-item span{font-size:14px;color:rgba(246,243,236,.68);line-height:1.75}

/* ---------- 评价轮播 ---------- */
.review-wrap{position:relative}
.review-track{
  display:flex;gap:20px;overflow-x:auto;scroll-behavior:smooth;
  padding:4px 4px 20px;scrollbar-width:none;-ms-overflow-style:none;
}
.review-track::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 86%;max-width:380px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh);
  display:flex;flex-direction:column;gap:14px;
}
@media (min-width:768px){ .review-card{flex:0 0 46%} }
@media (min-width:1024px){ .review-card{flex:0 0 32%} }
.review-head{display:flex;align-items:center;gap:12px}
.avatar{
  width:44px;height:44px;border-radius:50%;background:rgba(47,125,104,.12);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:var(--jade);flex-shrink:0;
}
.review-head strong{font-size:15px;font-weight:700;color:var(--ink);display:block}
.review-head em{font-style:normal;font-size:12px;color:var(--muted)}
.stars{display:flex;gap:3px}
.stars svg{width:15px;height:15px;fill:var(--ember);stroke:none}
.review-card p{font-size:14px;color:var(--text);line-height:1.85}
.review-nav{display:flex;gap:10px;justify-content:flex-end;margin-top:4px}
.rn-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.rn-btn:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh)}
.rn-btn svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 登录入口表单区 ---------- */
.login-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.login-grid{display:grid;gap:32px;align-items:center}
@media (min-width:1024px){ .login-grid{grid-template-columns:6fr 5fr;gap:60px} }
.login-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh);
}
@media (min-width:1024px){ .login-card{padding:32px} }
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input{
  width:100%;height:48px;border-radius:8px;border:1px solid var(--line);
  background:#fff;padding:0 14px;font-size:15px;color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder{color:#a5a29a}
.field input:focus{outline:none;border-color:var(--jade);box-shadow:0 0 0 3px rgba(47,125,104,.16)}
.captcha-row{display:flex;gap:12px;align-items:stretch}
.captcha-box{
  flex:0 0 118px;border:1px dashed var(--line);border-radius:8px;background:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;letter-spacing:.32em;color:var(--jade);font-weight:700;
  -webkit-user-select:none;user-select:none;
}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.7}
.form-links{display:flex;justify-content:space-between;gap:12px;margin-top:14px;flex-wrap:wrap}
.form-links a{font-size:13px;color:var(--jade);font-weight:600}
.form-links a:hover{text-decoration:underline}
.login-side h2{margin-bottom:16px}
.check-list{display:grid;gap:12px;margin-top:24px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text);line-height:1.7}
.check-list svg{width:20px;height:20px;flex-shrink:0;margin-top:3px;stroke:var(--jade);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:768px){ .news-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .news-grid{grid-template-columns:repeat(3,1fr)} }
.news-card{padding:22px;display:flex;flex-direction:column;min-height:200px}
.news-card .card-title{font-size:17px;margin:12px 0 10px}
.news-meta{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state svg{width:40px;height:40px;stroke:var(--jade);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{color:var(--muted);font-size:15px}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;min-height:56px;padding:16px 58px 16px 22px;
  position:relative;font-size:16px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;transition:background-color .2s var(--ease),color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#faf8f3;color:var(--jade)}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;width:12px;height:12px;
  border-right:2px solid var(--jade);border-bottom:2px solid var(--jade);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .24s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item[open] summary{background:#faf8f3}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--muted);line-height:1.8}
.faq-body a{color:var(--jade);font-weight:600}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(246,243,236,.72);padding:56px 0 0;margin-top:8px}
@media (min-width:1024px){ .site-footer{padding:72px 0 0} }
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr}
@media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr} }
.footer-brand .brand-text strong{color:#F6F3EC}
.footer-brand .brand-mark{background:#F6F3EC;color:var(--ink)}
.footer-brand .brand-text em{color:#8FC8B6}
.footer-tagline{margin-top:16px;font-size:14px;line-height:1.8;max-width:280px}
.footer-col h4{font-size:14px;font-weight:700;color:#F6F3EC;margin-bottom:16px;letter-spacing:.06em}
.footer-col li{margin-bottom:10px}
.footer-col a{
  font-size:14px;color:rgba(246,243,236,.72);
  background-image:linear-gradient(#F6F3EC,#F6F3EC);
  background-repeat:no-repeat;background-position:0 100%;background-size:0% 1px;
  transition:color .2s var(--ease),background-size .24s var(--ease);padding-bottom:2px;
}
.footer-col a:hover{color:#F6F3EC;background-size:100% 1px}
.footer-contact li{font-size:14px;line-height:1.8;margin-bottom:10px}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(246,243,236,.14);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(246,243,236,.55);
}

/* ---------- 移动底部 Tab ---------- */
.mobile-tabs{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  display:grid;grid-template-columns:repeat(5,1fr);
  background:rgba(246,243,236,.97);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.m-tab{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;height:56px;font-size:11px;color:var(--muted);
  transition:color .2s var(--ease);
}
.m-tab svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.m-tab.is-active{color:var(--ink);font-weight:700}
.m-tab.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;background:var(--ember);border-radius:0 0 2px 2px;
}
@media (min-width:1024px){ .mobile-tabs{display:none} }

/* ---------- 入场动画 ---------- */
.js .reveal{opacity:0;transform:translateY(12px)}
.js .reveal.is-visible{
  opacity:1;transform:translateY(0);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .js .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --ink:#0E1F1A;
  --ink-soft:#123026;
  --jade:#2F7D68;
  --jade-soft:rgba(47,125,104,.10);
  --ember:#E2542B;
  --paper:#F6F3EC;
  --card:#FFFFFF;
  --line:#E3DCCF;
  --text:#1B2420;
  --muted:#6B6A63;
  --r-card:14px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,31,26,.06), 0 10px 28px -20px rgba(14,31,26,.22);
  --sh-2:0 18px 44px -22px rgba(14,31,26,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body.site-body{
  margin:0;
  padding-bottom:72px;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
@media (min-width:1024px){ body.site-body{padding-bottom:0} }
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){ .shell{padding:0 32px} }

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,243,236,.94);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 12px 30px -26px rgba(14,31,26,.55)}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--ink);color:var(--paper);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;letter-spacing:0;
  transition:transform .24s var(--ease), background .24s var(--ease);
}
.brand:hover .brand-mark{transform:translateY(-2px);background:var(--jade)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--muted)}
.nav-links{display:none}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-cta .btn{height:40px;padding:0 16px;font-size:14px}
@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
  .nav-link{
    position:relative;padding:10px 12px;border-radius:var(--r-pill);
    font-size:14.5px;color:var(--text);text-decoration:none;
    transition:color .2s var(--ease), background .2s var(--ease);
    white-space:nowrap;
  }
  .nav-link:hover{color:var(--jade);background:var(--jade-soft)}
  .nav-link:focus-visible{outline:2px solid var(--jade);outline-offset:2px}
  .nav-link.active{color:var(--ink);font-weight:700}
  .nav-link.active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
    background:var(--ember);border-radius:2px;
  }
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn:active{transform:translateY(-1px)}
.btn:focus-visible{outline:2px solid var(--jade);outline-offset:2px}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-dark:hover{background:var(--ink-soft)}
.btn-ember{background:var(--ember);color:#fff}
.btn-ember:hover{background:#c7451f}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:#fff;border-color:var(--jade);color:var(--jade)}
.btn-block{width:100%}
.btn-sm{height:38px;padding:0 16px;font-size:14px}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  display:flex;align-items:stretch;
  background:rgba(246,243,236,.97);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab-item{
  flex:1;height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  position:relative;font-size:11px;color:var(--muted);text-decoration:none;
  transition:color .2s var(--ease);
}
.tab-item svg{width:22px;height:22px;stroke-width:1.6}
.tab-item:hover{color:var(--jade)}
.tab-item.is-active{color:var(--jade)}
.tab-item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;background:var(--ember);border-radius:2px;
}
@media (min-width:1024px){ .mobile-tabbar{display:none} }

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.crumbs a{color:var(--muted);text-decoration:none;transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--jade)}
.crumbs .sep{color:var(--line)}
.crumbs .current{color:var(--ink);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head{padding:22px 0 8px;max-width:900px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.12em;color:var(--jade);font-weight:600;margin:0 0 14px;
}
.kicker::before{content:"";width:22px;height:2px;background:var(--ember);border-radius:2px}
.article-title{
  margin:0;color:var(--ink);font-weight:800;
  font-size:clamp(28px,4.6vw,46px);line-height:1.18;letter-spacing:-.02em;
  overflow-wrap:anywhere;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:18px;font-size:13.5px;color:var(--muted)}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--jade-soft);color:var(--jade);font-size:12.5px;font-weight:600;letter-spacing:.02em;
  border:1px solid rgba(47,125,104,.18);
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.article-cover{margin:26px 0 0;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}

/* ---------- 布局 ---------- */
.article-layout{display:grid;grid-template-columns:1fr;gap:32px;padding:34px 0 8px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:44px;padding:44px 0 12px}
}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px 22px;
}
@media (min-width:768px){ .panel{padding:34px 34px} }

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--text);overflow-wrap:anywhere}
.article-body > *{margin:0}
.article-body > * + *{margin-top:18px}
.article-body > h2{
  margin-top:44px;padding-left:14px;border-left:4px solid var(--ember);
  font-size:clamp(21px,2.4vw,26px);line-height:1.4;font-weight:700;color:var(--ink);letter-spacing:-.01em;
}
.article-body > h3{margin-top:30px;font-size:19px;line-height:1.5;font-weight:600;color:var(--ink)}
.article-body > h4{margin-top:24px;font-size:17px;font-weight:600;color:var(--ink)}
.article-body p{color:var(--text)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body a{
  color:var(--jade);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;
  transition:color .2s var(--ease);
}
.article-body a:hover{color:var(--ember)}
.article-body ul,.article-body ol{padding-left:24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-top:8px}
.article-body li::marker{color:var(--jade)}
.article-body img{border-radius:var(--r-img);margin-top:24px;margin-bottom:24px;border:1px solid var(--line)}
.article-body blockquote{
  margin-top:24px;margin-bottom:24px;padding:16px 20px;background:var(--paper);
  border-left:3px solid var(--jade);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--muted);font-size:16px;
}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin-top:22px;overflow:hidden;border-radius:var(--r-img)}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--paper);color:var(--ink);font-weight:600}
.article-body code{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:14px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-empty{
  padding:34px 22px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--paper);text-align:center;
}
.article-empty h2{margin:0 0 12px;font-size:22px;font-weight:700;color:var(--ink)}
.article-empty p{margin:0 auto 20px;max-width:520px;color:var(--muted);font-size:15.5px}

/* ---------- 文末标签 / 前后篇 ---------- */
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.tag-label{font-size:13px;letter-spacing:.12em;color:var(--muted)}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--paper);border:1px solid var(--line);color:var(--text);font-size:13.5px;text-decoration:none;
  transition:transform .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}
.tag:hover{transform:translateY(-2px);border-color:var(--jade);color:var(--jade);background:#fff}
.post-nav{display:grid;gap:14px;margin-top:26px}
@media (min-width:768px){ .post-nav{grid-template-columns:1fr 1fr} }
.post-nav-item{
  display:flex;flex-direction:column;gap:6px;padding:18px 20px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);text-decoration:none;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.post-nav-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(47,125,104,.4)}
.post-nav-label{font-size:12.5px;letter-spacing:.12em;color:var(--jade)}
.post-nav-item strong{font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.55}

/* ---------- 侧栏 ---------- */
.article-side{display:grid;gap:20px;align-content:start}
@media (min-width:1024px){ .article-side{position:sticky;top:96px} }
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px}
.side-title{display:flex;align-items:center;gap:8px;margin:0 0 14px;font-size:14px;font-weight:700;color:var(--ink);letter-spacing:.02em}
.side-title::before{content:"";width:3px;height:14px;background:var(--ember);border-radius:2px}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow:auto}
.toc-link{
  display:block;padding:7px 10px;border-radius:8px;font-size:13.5px;color:var(--muted);text-decoration:none;
  border-left:2px solid transparent;transition:color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc-link.is-lv3{padding-left:22px;font-size:13px}
.toc-link:hover{color:var(--jade);background:var(--jade-soft)}
.toc-link.is-current{color:var(--ink);font-weight:600;border-left-color:var(--ember);background:var(--paper)}
.toc-empty{margin:0;font-size:13.5px;color:var(--muted)}
.side-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 10px;border-radius:8px;
  font-size:14px;color:var(--text);text-decoration:none;
  transition:color .2s var(--ease), background .2s var(--ease);
}
.side-links a::after{content:"→";color:var(--line);transition:color .2s var(--ease), transform .2s var(--ease)}
.side-links a:hover{color:var(--jade);background:var(--jade-soft)}
.side-links a:hover::after{color:var(--jade);transform:translateX(3px)}
.side-note{margin:12px 0 0;font-size:13px;line-height:1.8;color:var(--muted)}

/* ---------- 相关推荐 ---------- */
.section{padding:64px 0 0}
@media (min-width:1024px){ .section{padding:96px 0 0} }
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.section-title{margin:0;font-size:clamp(22px,3vw,32px);font-weight:700;color:var(--ink);letter-spacing:-.01em}
.section-sub{margin:8px 0 0;font-size:15px;color:var(--muted)}
.link-more{
  font-size:14px;font-weight:600;color:var(--jade);text-decoration:none;white-space:nowrap;
  background-image:linear-gradient(currentColor,currentColor);background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;
  transition:background-size .24s var(--ease);
}
.link-more:hover{background-size:100% 1px}
.card-grid{display:grid;gap:22px;grid-template-columns:1fr}
@media (min-width:640px){ .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (min-width:1024px){ .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))} }
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;text-decoration:none;
  transition:transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(47,125,104,.35)}
.card-media{overflow:hidden;aspect-ratio:16/10;background:var(--paper)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1}
.card-title{margin:0;font-size:17.5px;font-weight:700;line-height:1.5;color:var(--ink)}
.card-text{margin:0;font-size:14.5px;line-height:1.8;color:var(--muted)}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.card-more{font-weight:600;color:var(--jade)}

/* ---------- CTA ---------- */
.cta-band{margin-top:72px}
.cta-inner{
  position:relative;overflow:hidden;border-radius:20px;
  background-image:linear-gradient(110deg, rgba(14,31,26,.94), rgba(14,31,26,.78)), url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  padding:40px 26px;
}
@media (min-width:1024px){ .cta-inner{padding:56px 48px} }
.cta-grid{display:grid;gap:24px;align-items:center}
@media (min-width:1024px){ .cta-grid{grid-template-columns:1fr auto} }
.cta-inner h2{margin:0;font-size:clamp(22px,3vw,30px);font-weight:700;color:var(--paper);letter-spacing:-.01em}
.cta-inner p{margin:12px 0 0;max-width:620px;font-size:15.5px;line-height:1.85;color:rgba(246,243,236,.82)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn-ghost{color:var(--paper);border-color:rgba(246,243,236,.4)}
.cta-actions .btn-ghost:hover{background:rgba(246,243,236,.12);color:#fff;border-color:var(--paper)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:80px;background:var(--ink);color:rgba(246,243,236,.78);padding:56px 0 24px}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr}
@media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px} }
.site-footer .brand{color:var(--paper)}
.site-footer .brand-mark{background:var(--jade);color:var(--paper)}
.site-footer .brand-text em{color:rgba(246,243,236,.6)}
.footer-tagline{margin:16px 0 0;font-size:14px;line-height:1.9;color:rgba(246,243,236,.72);max-width:340px}
.footer-col h4{margin:0 0 16px;font-size:14px;font-weight:700;color:var(--paper);letter-spacing:.06em}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:14px;color:rgba(246,243,236,.76);text-decoration:none;
  background-image:linear-gradient(currentColor,currentColor);background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;
  transition:color .2s var(--ease), background-size .24s var(--ease);
}
.footer-col a:hover{color:var(--paper);background-size:100% 1px}
.footer-contact li{font-size:14px;line-height:1.85;color:rgba(246,243,236,.76)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(246,243,236,.16);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:12.5px;color:rgba(246,243,236,.6);
}

/* ---------- 入场动效 ---------- */
.js-on .reveal{opacity:0;transform:translateY(12px)}
.js-on .reveal.is-in{opacity:1;transform:none;transition:opacity .55s var(--ease), transform .55s var(--ease)}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js-on .reveal{opacity:1;transform:none}
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

/* roulang page: category1 */
:root{
  --ink:#0E1F1A;
  --jade:#2F7D68;
  --ember:#E2542B;
  --paper:#F6F3EC;
  --card:#FFFFFF;
  --line:#E3DCCF;
  --text:#1B2420;
  --muted:#6B6A63;
  --radius-card:14px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(14,31,26,.06), 0 10px 28px -20px rgba(14,31,26,.22);
  --shadow-2:0 18px 44px -22px rgba(14,31,26,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  padding-bottom:72px;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:8px}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.shell{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1024px){.shell{padding-left:32px;padding-right:32px}}
.num{font-variant-numeric:tabular-nums}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,243,236,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .22s var(--ease)}
.site-header.is-scrolled{box-shadow:0 10px 26px -20px rgba(14,31,26,.5)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--ink);color:#F6F3EC;display:grid;place-items:center;font-weight:800;font-size:17px}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.02em;color:var(--ink)}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.22em;color:var(--jade)}
.nav-links{display:none;align-items:center;gap:2px}
.nav-link{position:relative;padding:10px 12px;font-size:15px;color:var(--muted);border-radius:999px;transition:color .2s var(--ease),background .2s var(--ease)}
.nav-link:hover{color:var(--ink);background:rgba(47,125,104,.08)}
.nav-link.active{color:var(--ink);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--ember)}
.nav-cta{display:flex;align-items:center}
@media (min-width:1024px){.nav-links{display:flex}}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-dark{background:var(--ink);color:#F7F5EF;box-shadow:var(--shadow-1)}
.btn-dark:hover{background:#173029;box-shadow:var(--shadow-2)}
.btn-ember{background:var(--ember);color:#fff;box-shadow:var(--shadow-1)}
.btn-ember:hover{background:#c8461f;box-shadow:var(--shadow-2)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--jade);color:var(--jade);background:rgba(47,125,104,.06)}
.btn-block{width:100%}
.btn-sm{height:38px;padding:0 16px;font-size:14px}

/* 徽章 标签 */
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.04em}
.badge-jade{background:rgba(47,125,104,.1);color:var(--jade)}
.badge-ember{background:rgba(226,84,43,.1);color:var(--ember)}
.badge-ink{background:var(--ink);color:#F6F3EC}

/* 板块 */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:32px}
.section-label{display:block;font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--jade);margin-bottom:10px}
.section-head h2{font-size:clamp(24px,3.2vw,36px);font-weight:700}
.section-head p{margin-top:16px;color:var(--muted)}

/* Hero */
.cat-hero{position:relative;color:#F4F1E9;background-color:#10221C;background-image:linear-gradient(180deg,rgba(14,31,26,.86),rgba(14,31,26,.82)),url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center}
.cat-hero .shell{padding-top:28px;padding-bottom:56px}
@media (min-width:1024px){.cat-hero .shell{padding-top:36px;padding-bottom:88px}}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(244,241,233,.72);margin-bottom:28px}
.crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.hero-grid{display:grid;gap:32px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px}}
.cat-hero h1{color:#FBF9F3;font-size:clamp(30px,5vw,48px);font-weight:800;line-height:1.14;letter-spacing:-.02em;margin-top:18px}
.hero-lede{margin-top:18px;font-size:17px;line-height:1.85;color:rgba(244,241,233,.86);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.cat-hero .btn-ghost{border-color:rgba(244,241,233,.35);color:#F4F1E9}
.cat-hero .btn-ghost:hover{border-color:#F4F1E9;color:#fff;background:rgba(244,241,233,.1)}
.hero-points{display:grid;gap:16px;margin-top:36px;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid rgba(244,241,233,.2);padding-top:22px}
.hero-points dt{font-size:13px;letter-spacing:.1em;color:rgba(244,241,233,.66)}
.hero-points dd{margin:6px 0 0;font-size:22px;font-weight:800;color:#fff}
.hero-points .mark{color:#FF8A63}
.hero-figure{margin:0;border-radius:var(--radius-img);overflow:hidden;border:1px solid rgba(244,241,233,.24);box-shadow:0 24px 60px -34px rgba(0,0,0,.7)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-figure figcaption{padding:14px 16px;font-size:13px;line-height:1.7;color:rgba(244,241,233,.82);background:rgba(14,31,26,.55)}

/* 主体两栏 */
.layout-grid{display:grid;gap:32px;align-items:start}
@media (min-width:1024px){.layout-grid{grid-template-columns:minmax(0,7.4fr) minmax(0,4.6fr);gap:48px}}
.article-block{padding:24px;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;box-shadow:var(--shadow-1)}
.article-block + .article-block{margin-top:24px}
.article-block h2{font-size:clamp(21px,2.4vw,26px);margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.article-block h3{font-size:17px;margin:24px 0 10px}
.article-block p{color:#313B36}
.article-block p + p{margin-top:14px}
.checklist{margin-top:18px;display:grid;gap:12px}
.checklist li{position:relative;padding-left:26px;color:#313B36}
.checklist li::before{content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:3px;background:var(--jade);opacity:.85}
.note-strip{margin-top:22px;padding:16px 18px;border-radius:var(--radius-card);background:rgba(47,125,104,.08);border:1px solid rgba(47,125,104,.18);color:#244A3F;font-size:15px}
.note-strip strong{color:var(--ink)}

/* 步骤条 */
.steps{display:grid;gap:16px}
.step{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:20px;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.step-num{width:44px;height:44px;border-radius:999px;display:grid;place-items:center;background:rgba(226,84,43,.1);color:var(--ember);font-weight:800;font-size:17px}
.step h3{font-size:17px;margin:0 0 6px}
.step p{color:var(--muted);font-size:15px}

/* 卡片网格 */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.card-media{overflow:hidden}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px}
.card-body h3{font-size:18px;margin-bottom:10px}
.card-body p{color:var(--muted);font-size:15px}
.card-tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.grid-3{display:grid;gap:24px}
@media (min-width:640px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}}

/* 侧栏 */
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:22px}
.side-card + .side-card{margin-top:20px}
.side-card h3{font-size:16px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
@media (min-width:1024px){.side-sticky{position:sticky;top:96px}}
.side-list{display:grid;gap:12px}
.side-list li{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--muted);padding-bottom:12px;border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list b{color:var(--ink);font-weight:600}
.link-list{display:grid;gap:4px}
.link-list a{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:10px;font-size:15px;color:var(--ink);transition:background .2s var(--ease),color .2s var(--ease)}
.link-list a:hover{background:rgba(47,125,104,.08);color:var(--jade)}
.link-list a span{color:var(--muted);font-size:13px}

/* 表单 */
.field{margin-bottom:14px}
.field label{display:block;font-size:14px;color:var(--muted);margin-bottom:8px}
.field input{width:100%;height:48px;padding:0 14px;border-radius:8px;border:1px solid var(--line);background:#fff;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field input:focus{border-color:var(--jade);box-shadow:0 0 0 2px rgba(47,125,104,.22);outline:2px solid var(--jade);outline-offset:2px}
.captcha-row{display:grid;grid-template-columns:1fr 104px;gap:10px;align-items:center}
.captcha-box{height:48px;border-radius:8px;border:1px dashed var(--line);background:repeating-linear-gradient(45deg,#F1EDE3,#F1EDE3 8px,#E7E1D3 8px,#E7E1D3 16px);display:grid;place-items:center;font-size:14px;letter-spacing:.28em;color:var(--jade);font-weight:700}
.form-hint{margin-top:10px;font-size:13px;color:var(--muted)}
.form-foot{display:flex;justify-content:space-between;gap:12px;margin-top:14px;font-size:13px}
.form-foot a{color:var(--jade);border-bottom:1px solid transparent;transition:border-color .2s var(--ease)}
.form-foot a:hover{border-color:var(--jade)}

/* 保障条 */
.assure{background:var(--ink);border-radius:18px;padding:32px 24px;color:#F2EFE7}
.assure h2{color:#FBF9F3;font-size:clamp(22px,2.6vw,30px)}
.assure-grid{display:grid;gap:22px;margin-top:26px}
@media (min-width:640px){.assure-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.assure-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.assure-item{border-top:1px solid rgba(242,239,231,.24);padding-top:16px}
.assure-item strong{display:block;font-size:16px;color:#FBF9F3;margin-bottom:6px}
.assure-item span{font-size:14px;color:rgba(242,239,231,.74);line-height:1.75}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:16px 4px;font-size:16px;font-weight:600;color:var(--ink);transition:color .2s var(--ease)}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--jade)}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:999px;border:1px solid var(--line);display:grid;place-items:center;color:var(--jade);font-size:16px;line-height:1;transition:transform .22s var(--ease),border-color .22s var(--ease)}
.faq details[open] .faq-icon{transform:rotate(45deg);border-color:var(--jade)}
.faq-answer{padding:0 4px 20px;font-size:15px;line-height:1.8;color:var(--muted);max-width:820px}

/* CTA */
.cta-band{background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px 24px;box-shadow:var(--shadow-1);display:grid;gap:22px;align-items:center}
@media (min-width:768px){.cta-band{grid-template-columns:1.6fr 1fr;padding:40px 32px}}
.cta-band h2{font-size:clamp(22px,2.8vw,32px)}
.cta-band p{margin-top:14px;color:var(--muted)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (min-width:768px){.cta-actions{justify-content:flex-end}}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(242,239,231,.78);margin-top:64px;padding:56px 0 24px}
@media (min-width:1024px){.site-footer{margin-top:96px;padding-top:72px}}
.footer-grid{display:grid;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.footer-brand .brand-text strong{color:#FBF9F3}
.footer-brand .brand-text em{color:#8FC4B1}
.footer-brand .brand-mark{background:#F6F3EC;color:var(--ink)}
.footer-tagline{margin-top:16px;font-size:14px;line-height:1.8;max-width:320px;color:rgba(242,239,231,.7)}
.footer-col h4{color:#FBF9F3;font-size:15px;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-contact li{font-size:14px;color:rgba(242,239,231,.74)}
.footer-col a{background-image:linear-gradient(currentColor,currentColor);background-repeat:no-repeat;background-size:0 1px;background-position:0 100%;transition:color .2s var(--ease),background-size .24s var(--ease)}
.footer-col a:hover{color:#FBF9F3;background-size:100% 1px}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(242,239,231,.18);display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13px;color:rgba(242,239,231,.6)}

/* 底部 Tab */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr);height:56px;padding-bottom:env(safe-area-inset-bottom)}
.tab-item{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;color:var(--muted);transition:color .2s var(--ease)}
.tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.tab-item.active{color:var(--ink);font-weight:600}
.tab-item.active::before{content:"";position:absolute;top:0;left:22%;right:22%;height:2px;border-radius:2px;background:var(--ember)}
@media (min-width:1024px){.tabbar{display:none} body{padding-bottom:0}}

/* 动效 */
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .js .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --ink:#0E1F1A;
  --ink-soft:#132A23;
  --jade:#2F7D68;
  --jade-soft:rgba(47,125,104,.10);
  --ember:#E2542B;
  --paper:#F6F3EC;
  --card:#FFFFFF;
  --line:#E3DCCF;
  --text:#1B2420;
  --muted:#6B6A63;
  --radius:14px;
  --radius-img:12px;
  --shadow:0 1px 2px rgba(14,31,26,.06),0 10px 28px -20px rgba(14,31,26,.22);
  --shadow-hover:0 18px 44px -22px rgba(14,31,26,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  padding-bottom:72px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.shell{padding:0 32px}}
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:96px 0}}
.section--tight{padding:40px 0;}
@media (min-width:1024px){.section--tight{padding:56px 0}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(246,243,236,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.scrolled{box-shadow:0 12px 30px -24px rgba(14,31,26,.55);}
.nav-inner{display:flex;align-items:center;gap:14px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--ink);color:var(--paper);
  display:grid;place-items:center;font-size:18px;font-weight:700;line-height:1;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.02em;color:var(--ink);}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.18em;color:var(--jade);}
.nav-links{display:none;margin-left:auto;align-items:center;gap:2px;}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{
  position:relative;display:inline-block;padding:9px 12px;border-radius:8px;
  font-size:14px;color:var(--text);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link:hover{color:var(--jade);background:var(--jade-soft);}
.nav-link.active{color:var(--ink);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--ink);
}
.nav-cta{margin-left:auto;}
@media (min-width:1024px){.nav-cta{margin-left:12px;}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:999px;border:1px solid transparent;
  font-size:14px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-dark{background:var(--ink);color:var(--paper);}
.btn-dark:hover{background:var(--ink-soft);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-dark:active{transform:translateY(1px);}
.btn-ember{background:var(--ember);color:#FFFFFF;}
.btn-ember:hover{background:#C9461F;transform:translateY(-2px);box-shadow:0 18px 44px -24px rgba(226,84,43,.65);}
.btn-ember:active{transform:translateY(1px);}
.btn-outline{background:#FFFFFF;border-color:var(--line);color:var(--ink);}
.btn-outline:hover{border-color:var(--jade);color:var(--jade);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-outline:active{transform:translateY(1px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:13px;}

/* ---------- shared ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.12em;color:var(--jade);font-weight:600;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--jade);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-title{font-size:clamp(24px,3.2vw,36px);line-height:1.25;letter-spacing:-.01em;}
.section-desc{margin-top:12px;color:var(--muted);font-size:15px;max-width:640px;}
.text-link{
  font-size:14px;font-weight:600;color:var(--jade);
  background-image:linear-gradient(currentColor,currentColor);
  background-repeat:no-repeat;background-size:0 1px;background-position:0 100%;
  padding-bottom:2px;transition:background-size .24s var(--ease),color .2s var(--ease);
}
.text-link:hover{background-size:100% 1px;color:var(--ink);}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--jade-soft);color:var(--jade);
}
.badge--outline{background:#FFFFFF;border:1px solid var(--line);color:var(--muted);font-weight:500;}
.badge--ember{background:rgba(226,84,43,.10);color:var(--ember);}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D8D0C0;}
.card-media{overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .28s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#FFFFFF;border-bottom:1px solid var(--line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:14px 0;}
.crumb a{color:var(--muted);transition:color .2s var(--ease);}
.crumb a:hover{color:var(--jade);}
.crumb .sep{color:#C7BFB0;}
.crumb .current{color:var(--ink);font-weight:600;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(14,31,26,.90) 0%,rgba(14,31,26,.72) 46%,rgba(14,31,26,.46) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:var(--paper);
}
.page-hero .inner{position:relative;z-index:2;padding:56px 0 60px;}
@media (min-width:1024px){.page-hero .inner{padding:76px 0 80px;}}
.page-hero h1{
  color:#FFFFFF;font-size:clamp(28px,4.2vw,44px);line-height:1.16;letter-spacing:-.02em;font-weight:800;
  max-width:760px;
}
.page-hero .lede{margin-top:18px;max-width:660px;font-size:16px;line-height:1.85;color:rgba(246,243,236,.86);}
.page-hero .eyebrow{color:#8FD0BC;}
.page-hero .eyebrow::before{background:#8FD0BC;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.page-hero .btn-outline{background:rgba(255,255,255,.10);border-color:rgba(246,243,236,.34);color:#F6F3EC;}
.page-hero .btn-outline:hover{background:rgba(255,255,255,.18);border-color:#F6F3EC;color:#FFFFFF;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;
  margin-top:36px;padding-top:24px;border-top:1px solid rgba(246,243,236,.22);max-width:640px;
}
.hero-stats .k{font-size:clamp(22px,3vw,30px);font-weight:800;color:var(--ember);line-height:1.1;}
.hero-stats .v{margin-top:6px;font-size:13px;color:rgba(246,243,236,.78);line-height:1.6;}

/* ---------- highlight strip ---------- */
.quick-strip{background:#FFFFFF;border-bottom:1px solid var(--line);}
.quick-grid{display:grid;gap:14px;padding:22px 0;}
@media (min-width:768px){.quick-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}}
.quick-item{display:flex;gap:12px;align-items:flex-start;}
.quick-item .dot{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;background:var(--jade-soft);
  display:grid;place-items:center;color:var(--jade);font-size:13px;font-weight:700;
}
.quick-item strong{display:block;font-size:14px;color:var(--ink);}
.quick-item span{font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- waterfall ---------- */
.waterfall{display:grid;gap:24px;}
@media (min-width:768px){.waterfall{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;align-items:start;}}
.wf-card{overflow:hidden;}
.wf-card .wf-body{padding:22px;}
@media (min-width:1024px){.wf-card .wf-body{padding:24px;}}
.wf-card h3{font-size:20px;font-weight:600;letter-spacing:0;}
.wf-card p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.8;}
.wf-list{margin-top:16px;display:grid;gap:10px;}
.wf-list li{
  position:relative;padding-left:18px;font-size:14px;color:var(--text);line-height:1.7;
}
.wf-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--jade);
}
.wf-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}

/* ---------- checklist ---------- */
.check-panel{
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
}
.check-row{
  display:grid;gap:8px;padding:18px 20px;border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease);
}
.check-row:last-child{border-bottom:0;}
.check-row:hover{background:#FBFAF6;}
@media (min-width:768px){
  .check-row{grid-template-columns:1.15fr 1.5fr auto;align-items:center;gap:20px;padding:18px 24px;}
}
.check-row h4{font-size:15px;font-weight:600;}
.check-row p{font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- steps ---------- */
.steps{display:grid;gap:18px;counter-reset:step;}
@media (min-width:768px){.steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}}
.step{
  position:relative;background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px 22px;box-shadow:var(--shadow);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.step .idx{
  width:34px;height:34px;border-radius:11px;background:var(--ink);color:var(--paper);
  display:grid;place-items:center;font-size:15px;font-weight:700;margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:600;}
.step p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-wrap{background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 20px;font-size:15.5px;font-weight:600;color:var(--ink);
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#FBFAF6;color:var(--jade);}
.faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px;transition:transform .22s var(--ease);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--jade);border-radius:2px;}
.faq-icon::before{left:2px;right:2px;top:9px;height:2px;}
.faq-icon::after{top:2px;bottom:2px;left:9px;width:2px;}
.faq-item[open] .faq-icon{transform:rotate(135deg);}
.faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--muted);}
@media (min-width:768px){
  .faq-item summary{padding:16px 24px;}
  .faq-answer{padding:0 24px 22px;}
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:18px;color:var(--paper);
  background-image:linear-gradient(104deg,rgba(14,31,26,.94) 0%,rgba(14,31,26,.80) 52%,rgba(14,31,26,.60) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  padding:40px 24px;
}
@media (min-width:1024px){.cta-band{padding:56px 48px;}}
.cta-band h2{color:#FFFFFF;font-size:clamp(22px,3vw,32px);line-height:1.25;}
.cta-band p{margin-top:14px;max-width:620px;color:rgba(246,243,236,.84);font-size:15px;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.cta-band .btn-outline{background:rgba(255,255,255,.10);border-color:rgba(246,243,236,.34);color:#F6F3EC;}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.18);color:#FFFFFF;border-color:#F6F3EC;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(246,243,236,.80);margin-top:8px;}
.footer-grid{display:grid;gap:32px;padding:56px 0 36px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:28px;}}
.site-footer .brand-text strong{color:#FFFFFF;}
.site-footer .brand-text em{color:#8FD0BC;}
.site-footer .brand-mark{background:#F6F3EC;color:var(--ink);}
.footer-tagline{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(246,243,236,.72);max-width:320px;}
.footer-col h4{color:#FFFFFF;font-size:14px;letter-spacing:.06em;margin-bottom:16px;font-weight:600;}
.footer-col li{margin-bottom:10px;font-size:14px;}
.footer-col a{
  color:rgba(246,243,236,.76);
  background-image:linear-gradient(#FFFFFF,#FFFFFF);
  background-repeat:no-repeat;background-size:0 1px;background-position:0 100%;
  padding-bottom:2px;transition:color .2s var(--ease),background-size .24s var(--ease);
}
.footer-col a:hover{color:#FFFFFF;background-size:100% 1px;}
.footer-contact li{color:rgba(246,243,236,.72);line-height:1.75;}
.footer-bottom{
  border-top:1px solid rgba(246,243,236,.16);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13px;color:rgba(246,243,236,.62);
}

/* ---------- mobile tabs ---------- */
.mobile-tabs{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  display:grid;grid-template-columns:repeat(5,minmax(0,1fr));
  background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab-item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:56px;font-size:11px;color:var(--muted);transition:color .2s var(--ease);
}
.tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.tab-item.active{color:var(--ink);font-weight:600;}
.tab-item.active::before{content:"";position:absolute;top:0;left:26%;right:26%;height:2px;border-radius:2px;background:var(--ember);}
@media (min-width:1024px){
  .mobile-tabs{display:none;}
  body{padding-bottom:0;}
}

/* ---------- reveal ---------- */
.reveal-armed{opacity:0;transform:translateY(12px);}
.reveal-in{opacity:1;transform:none;transition:opacity .5s var(--ease),transform .5s var(--ease);}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal-armed{opacity:1;transform:none;}
}

/* roulang page: category4 */
:root{
    --ink:#0E1F1A;
    --jade:#2F7D68;
    --ember:#E2542B;
    --paper:#F6F3EC;
    --card:#FFFFFF;
    --line:#E3DCCF;
    --text:#1B2420;
    --muted:#6B6A63;
    --radius:14px;
    --radius-sm:12px;
    --radius-pill:999px;
    --shadow:0 1px 2px rgba(14,31,26,.06), 0 10px 28px -20px rgba(14,31,26,.22);
    --shadow-hover:0 18px 44px -22px rgba(14,31,26,.32);
    --ease:cubic-bezier(.2,.7,.3,1);
    --shell:1200px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    font-variant-numeric:tabular-nums;
  }
  img{max-width:100%;display:block;border-style:none;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  strong{font-weight:700;}

  .shell{
    width:100%;
    max-width:var(--shell);
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:1024px){
    .shell{padding-left:32px;padding-right:32px;}
  }

  /* ---------- 通用排版 ---------- */
  .h1{
    font-size:clamp(30px,5vw,56px);
    font-weight:800;
    line-height:1.14;
    letter-spacing:-.02em;
    color:var(--ink);
  }
  .h2{
    font-size:clamp(24px,3.2vw,36px);
    font-weight:700;
    line-height:1.25;
    letter-spacing:-.01em;
    color:var(--ink);
  }
  .h3{
    font-size:20px;
    font-weight:600;
    line-height:1.4;
    color:var(--ink);
  }
  .lead{
    font-size:17px;
    line-height:1.9;
    color:var(--muted);
  }
  .body-text{
    font-size:16px;
    line-height:1.85;
    color:var(--text);
  }
  .eyebrow{
    display:inline-block;
    font-size:13px;
    letter-spacing:.12em;
    color:var(--jade);
    font-weight:600;
  }
  .section{
    padding-top:64px;
    padding-bottom:64px;
  }
  @media (min-width:1024px){
    .section{padding-top:96px;padding-bottom:96px;}
  }
  .section-alt{background:#FBF9F4;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-head{max-width:760px;margin-bottom:32px;}
  .section-head .h2{margin-top:10px;}
  .section-head p{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.85;}

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(246,243,236,.94);
    backdrop-filter:saturate(140%) blur(8px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .22s var(--ease),background .22s var(--ease);
  }
  .site-header.is-scrolled{
    box-shadow:0 6px 24px -18px rgba(14,31,26,.45);
    background:rgba(250,248,242,.98);
  }
  .nav-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    height:72px;
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .brand-mark{
    width:38px;height:38px;
    border-radius:11px;
    background:var(--ink);
    color:#F6F3EC;
    display:grid;place-items:center;
    font-weight:800;font-size:19px;
    letter-spacing:0;
    flex-shrink:0;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.1;}
  .brand-text strong{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.01em;}
  .brand-text em{font-style:normal;font-size:12px;letter-spacing:.16em;color:var(--jade);}
  .nav-links{display:none;align-items:center;gap:4px;}
  @media (min-width:1024px){.nav-links{display:flex;}}
  .nav-link{
    position:relative;
    display:inline-block;
    padding:8px 12px;
    font-size:15px;
    color:var(--text);
    border-radius:8px;
    transition:color .2s var(--ease),background .2s var(--ease);
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:12px;right:12px;bottom:2px;
    height:2px;
    border-radius:2px;
    background:var(--ember);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .22s var(--ease);
  }
  .nav-link:hover{color:var(--ink);background:rgba(47,125,104,.08);}
  .nav-link.active{color:var(--ink);font-weight:600;}
  .nav-link.active::after{transform:scaleX(1);}
  .nav-link:focus-visible{outline:2px solid var(--jade);outline-offset:2px;}
  .nav-cta{display:flex;align-items:center;gap:10px;}
  .nav-cta .btn{padding:10px 16px;font-size:14px;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:13px 22px;
    border-radius:var(--radius-pill);
    border:1px solid transparent;
    font-size:15px;
    font-weight:600;
    line-height:1;
    cursor:pointer;
    transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
    white-space:nowrap;
  }
  .btn:hover{transform:translateY(-2px);}
  .btn:active{transform:translateY(-1px);}
  .btn:focus-visible{outline:2px solid var(--jade);outline-offset:2px;}
  .btn-dark{background:var(--ink);color:#F6F3EC;box-shadow:var(--shadow);}
  .btn-dark:hover{background:#08130F;box-shadow:var(--shadow-hover);}
  .btn-ember{background:var(--ember);color:#FFF7F3;box-shadow:0 12px 30px -18px rgba(226,84,43,.85);}
  .btn-ember:hover{background:#C8451F;box-shadow:0 18px 44px -22px rgba(226,84,43,.9);}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
  .btn-ghost:hover{border-color:var(--jade);color:var(--jade);background:#fff;}
  .btn-block{width:100%;}

  /* ---------- 徽章 / 标签 ---------- */
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:5px 12px;
    border-radius:var(--radius-pill);
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.02em;
    background:rgba(47,125,104,.1);
    color:var(--jade);
    border:1px solid rgba(47,125,104,.18);
  }
  .badge-ember{background:rgba(226,84,43,.1);color:var(--ember);border-color:rgba(226,84,43,.2);}
  .badge-ink{background:rgba(14,31,26,.06);color:var(--ink);border-color:rgba(14,31,26,.12);}
  .tag{
    display:inline-flex;
    align-items:center;
    padding:7px 14px;
    border-radius:var(--radius-pill);
    background:#fff;
    border:1px solid var(--line);
    font-size:13.5px;
    color:var(--text);
    transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
  }
  .tag:hover{border-color:var(--jade);color:var(--jade);transform:translateY(-2px);}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--muted);
    margin-bottom:22px;
  }
  .breadcrumb a{color:var(--muted);transition:color .2s var(--ease);}
  .breadcrumb a:hover{color:var(--jade);}
  .breadcrumb .sep{color:#C9C1B1;}
  .breadcrumb .current{color:var(--ink);font-weight:600;}

  /* ---------- Hero ---------- */
  .page-hero{
    padding-top:40px;
    padding-bottom:56px;
    background:
      radial-gradient(1100px 420px at 88% -12%, rgba(47,125,104,.14), transparent 70%),
      linear-gradient(180deg,#FBF9F4 0%, var(--paper) 100%);
    border-bottom:1px solid var(--line);
  }
  @media (min-width:1024px){
    .page-hero{padding-top:56px;padding-bottom:80px;}
  }
  .hero-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
    align-items:center;
  }
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:7fr 5fr;gap:48px;}
  }
  .hero-title{margin-top:14px;}
  .hero-lead{margin-top:18px;max-width:620px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
  .stat-row{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:16px;
    margin-top:36px;
    padding-top:26px;
    border-top:1px solid var(--line);
  }
  .stat-num{
    display:block;
    font-size:clamp(22px,3vw,30px);
    font-weight:800;
    color:var(--ember);
    line-height:1.1;
    letter-spacing:-.01em;
  }
  .stat-label{
    display:block;
    margin-top:6px;
    font-size:13px;
    color:var(--muted);
    line-height:1.6;
  }
  .hero-media{position:relative;}
  .hero-media img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
    border-radius:var(--radius-sm);
    border:1px solid var(--line);
    box-shadow:var(--shadow);
  }
  @media (min-width:1024px){
    .hero-media img{aspect-ratio:4/3;}
  }
  .hero-media::after{
    content:"";
    position:absolute;
    inset:0;
    border-radius:var(--radius-sm);
    background:linear-gradient(200deg,rgba(14,31,26,.18),rgba(14,31,26,.02) 60%);
    pointer-events:none;
  }
  .hero-note{
    position:absolute;
    left:16px;
    bottom:16px;
    right:16px;
    background:rgba(255,255,255,.94);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:14px 16px;
    box-shadow:var(--shadow);
    backdrop-filter:blur(6px);
  }
  .hero-note strong{display:block;font-size:14px;color:var(--ink);}
  .hero-note span{display:block;font-size:13px;color:var(--muted);line-height:1.7;margin-top:2px;}

  /* ---------- 卡片 ---------- */
  .card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    padding:24px;
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .card-hover:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-hover);
    border-color:#D6CDBB;
  }
  .card-media{
    border-radius:var(--radius-sm);
    overflow:hidden;
    border:1px solid var(--line);
  }
  .card-media img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
    transition:transform .4s var(--ease);
  }
  .card-hover:hover .card-media img{transform:scale(1.04);}
  .card-title{font-size:19px;font-weight:700;color:var(--ink);line-height:1.4;}
  .card-desc{font-size:15px;color:var(--muted);line-height:1.8;margin-top:10px;}
  .link-more{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--jade);
    background-image:linear-gradient(var(--jade),var(--jade));
    background-size:0 1px;
    background-repeat:no-repeat;
    background-position:0 100%;
    transition:background-size .24s var(--ease),color .2s var(--ease);
    padding-bottom:2px;
  }
  .link-more:hover{background-size:100% 1px;color:var(--ink);}

  /* ---------- 规则对照表 ---------- */
  .table-wrap{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    overflow:hidden;
  }
  .rule-table{
    width:100%;
    border-collapse:collapse;
    text-align:left;
  }
  .rule-table caption{
    caption-side:top;
    text-align:left;
    padding:20px 24px 6px;
    font-size:13px;
    letter-spacing:.12em;
    color:var(--jade);
    font-weight:600;
  }
  .rule-table th{
    background:#F0ECE2;
    color:var(--ink);
    font-size:14px;
    font-weight:700;
    padding:16px 20px;
    border-bottom:1px solid var(--line);
    white-space:nowrap;
  }
  .rule-table td{
    padding:18px 20px;
    font-size:15px;
    line-height:1.75;
    color:var(--text);
    border-bottom:1px solid var(--line);
    vertical-align:top;
  }
  .rule-table tr:last-child td{border-bottom:none;}
  .rule-table tbody tr{transition:background .2s var(--ease);}
  .rule-table tbody tr:hover{background:#FBF9F4;}
  .rule-table .cell-key{font-weight:700;color:var(--ink);}
  .rule-table .cell-muted{color:var(--muted);}
  .table-foot{
    margin-top:16px;
    font-size:13.5px;
    color:var(--muted);
  }
  @media (max-width:767px){
    .rule-table thead{display:none;}
    .rule-table,.rule-table tbody,.rule-table tr,.rule-table td{display:block;width:100%;}
    .rule-table caption{padding:18px 18px 4px;}
    .rule-table tr{
      border-bottom:1px solid var(--line);
      padding:8px 18px 14px;
    }
    .rule-table tr:last-child{border-bottom:none;}
    .rule-table td{
      border:none;
      padding:8px 0;
      font-size:15px;
    }
    .rule-table td::before{
      content:attr(data-label);
      display:block;
      font-size:12px;
      letter-spacing:.1em;
      color:var(--muted);
      margin-bottom:2px;
    }
    .rule-table td:first-child{padding-top:14px;}
    .rule-table tbody tr:hover{background:transparent;}
  }

  /* ---------- 公告三卡 ---------- */
  .notice-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:24px;
  }
  @media (min-width:768px){
    .notice-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  }
  .notice-card{display:flex;flex-direction:column;height:100%;}
  .notice-card .card-media{margin-bottom:18px;}
  .notice-meta{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    margin-top:16px;
    padding-top:14px;
    border-top:1px solid var(--line);
    font-size:13px;
    color:var(--muted);
  }

  /* ---------- 标签速查 ---------- */
  .term-layout{
    display:grid;
    grid-template-columns:1fr;
    gap:28px;
  }
  @media (min-width:1024px){
    .term-layout{grid-template-columns:6fr 6fr;gap:48px;align-items:start;}
  }
  .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
  .term-list{display:grid;gap:14px;margin-top:24px;}
  .term-item{
    display:grid;
    grid-template-columns:auto 1fr;
    gap:14px;
    padding:18px 20px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .term-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
  .term-index{
    width:34px;height:34px;
    border-radius:10px;
    display:grid;place-items:center;
    background:rgba(47,125,104,.12);
    color:var(--jade);
    font-weight:700;
    font-size:14px;
    flex-shrink:0;
  }
  .term-item h3{font-size:16px;font-weight:700;color:var(--ink);}
  .term-item p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-top:6px;}

  /* ---------- FAQ ---------- */
  .faq-list{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    overflow:hidden;
  }
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:last-child{border-bottom:none;}
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:18px 22px;
    min-height:56px;
    font-size:16px;
    font-weight:600;
    color:var(--ink);
    transition:background .2s var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{background:#FBF9F4;}
  .faq-item summary:focus-visible{outline:2px solid var(--jade);outline-offset:-2px;}
  .faq-icon{
    flex-shrink:0;
    width:26px;height:26px;
    border-radius:50%;
    border:1px solid var(--line);
    color:var(--jade);
    display:grid;place-items:center;
    font-size:16px;
    line-height:1;
    transition:transform .24s var(--ease),background .2s var(--ease),color .2s var(--ease);
  }
  .faq-item[open] .faq-icon{
    transform:rotate(90deg);
    background:var(--jade);
    color:#fff;
    border-color:var(--jade);
  }
  .faq-answer{
    padding:0 22px 20px;
    font-size:15px;
    line-height:1.8;
    color:var(--muted);
  }
  .faq-answer a{color:var(--jade);border-bottom:1px solid rgba(47,125,104,.35);}

  /* ---------- CTA ---------- */
  .cta-band{
    background:var(--ink);
    color:#F6F3EC;
    border-radius:var(--radius);
    padding:36px 26px;
    display:grid;
    grid-template-columns:1fr;
    gap:24px;
    align-items:center;
    box-shadow:var(--shadow);
  }
  @media (min-width:1024px){
    .cta-band{grid-template-columns:8fr 4fr;padding:48px 48px;gap:40px;}
  }
  .cta-band .h2{color:#F6F3EC;}
  .cta-band p{color:rgba(246,243,236,.78);margin-top:14px;font-size:15.5px;line-height:1.85;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
  .cta-band .btn-ghost{color:#F6F3EC;border-color:rgba(246,243,236,.35);}
  .cta-band .btn-ghost:hover{background:rgba(246,243,236,.1);border-color:#F6F3EC;color:#fff;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--ink);
    color:rgba(246,243,236,.82);
    padding-top:56px;
    margin-top:8px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
    padding-bottom:36px;
  }
  @media (min-width:768px){
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  }
  @media (min-width:1024px){
    .footer-grid{grid-template-columns:5fr 3fr 3fr 3fr;gap:40px;}
  }
  .site-footer .brand-mark{background:#F6F3EC;color:var(--ink);}
  .site-footer .brand-text strong{color:#F6F3EC;}
  .site-footer .brand-text em{color:#9CCBB9;}
  .footer-tagline{
    margin-top:16px;
    font-size:14.5px;
    line-height:1.85;
    color:rgba(246,243,236,.72);
    max-width:420px;
  }
  .footer-col h4{
    font-size:14px;
    font-weight:700;
    color:#F6F3EC;
    letter-spacing:.06em;
    margin-bottom:16px;
  }
  .footer-col ul{display:grid;gap:10px;}
  .footer-col a{
    font-size:14.5px;
    color:rgba(246,243,236,.72);
    background-image:linear-gradient(#F6F3EC,#F6F3EC);
    background-size:0 1px;
    background-repeat:no-repeat;
    background-position:0 100%;
    transition:background-size .24s var(--ease),color .2s var(--ease);
    padding-bottom:2px;
  }
  .footer-col a:hover{color:#F6F3EC;background-size:100% 1px;}
  .footer-col a:focus-visible{outline:2px solid #9CCBB9;outline-offset:2px;}
  .footer-contact li{font-size:14.5px;color:rgba(246,243,236,.72);line-height:1.8;}
  .footer-bottom{
    border-top:1px solid rgba(246,243,236,.16);
    padding:20px 0 28px;
    display:flex;
    flex-wrap:wrap;
    gap:10px 24px;
    font-size:13px;
    color:rgba(246,243,236,.6);
  }

  /* ---------- 移动端底部 Tab ---------- */
  .tabbar{
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:70;
    height:calc(56px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(250,248,242,.98);
    border-top:1px solid var(--line);
    box-shadow:0 -8px 24px -20px rgba(14,31,26,.5);
    display:grid;
    grid-template-columns:repeat(5,minmax(0,1fr));
  }
  @media (min-width:1024px){
    .tabbar{display:none;}
  }
  .tab-item{
    position:relative;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:3px;
    font-size:11.5px;
    color:var(--muted);
    transition:color .2s var(--ease);
  }
  .tab-item::before{
    content:"";
    position:absolute;
    top:0;left:50%;
    width:26px;height:2px;
    border-radius:2px;
    background:var(--ember);
    transform:translateX(-50%) scaleX(0);
    transition:transform .22s var(--ease);
  }
  .tab-item.active{color:var(--ink);font-weight:600;}
  .tab-item.active::before{transform:translateX(-50%) scaleX(1);}
  .tab-item svg{width:22px;height:22px;stroke-width:1.6;}
  @media (max-width:1023px){
    body{padding-bottom:72px;}
  }

  /* ---------- 入场动效 ---------- */
  .has-js .reveal{
    opacity:0;
    transform:translateY(12px);
    transition:opacity .5s var(--ease),transform .5s var(--ease);
  }
  .has-js .reveal.is-in{
    opacity:1;
    transform:none;
  }
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
    .has-js .reveal{opacity:1;transform:none;transition:none;}
    .btn:hover,.card-hover:hover,.term-item:hover,.tag:hover{transform:none;}
    .card-hover:hover .card-media img{transform:none;}
  }

/* roulang page: category3 */
:root{
    --ink:#0E1F1A;
    --jade:#2F7D68;
    --ember:#E2542B;
    --paper:#F6F3EC;
    --line:#E3DCCF;
    --text:#1B2420;
    --muted:#6B6A63;
    --r-card:14px;
    --r-img:12px;
    --r-pill:999px;
    --sh:0 1px 2px rgba(14,31,26,.06),0 10px 28px -20px rgba(14,31,26,.22);
    --sh-hover:0 18px 44px -22px rgba(14,31,26,.32);
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--text);
    background:var(--paper);
    font-variant-numeric:tabular-nums;
    padding-bottom:82px;
    -webkit-font-smoothing:antialiased;
  }
  @media (min-width:1024px){ body{padding-bottom:0} }
  img,svg{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  h1,h2,h3,h4,p,figure,dl,dd{margin:0}
  ul{padding:0;margin:0;list-style:none}

  .shell{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
  @media (min-width:1024px){ .shell{padding-left:32px;padding-right:32px} }

  .section{padding-top:60px;padding-bottom:60px}
  @media (min-width:1024px){ .section{padding-top:92px;padding-bottom:92px} }
  .section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

  .eyebrow{font-size:13px;letter-spacing:.12em;color:var(--jade);font-weight:600}
  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px}
  .sec-title{font-size:clamp(24px,3.2vw,36px);line-height:1.25;font-weight:700;color:var(--ink);letter-spacing:-0.02em}
  .sec-sub{margin-top:14px;color:var(--muted);max-width:780px}
  .link-more{font-size:14.5px;font-weight:600;color:var(--jade);background-image:linear-gradient(currentColor,currentColor);background-repeat:no-repeat;background-size:0 1px;background-position:0 100%;transition:background-size .24s var(--ease)}
  .link-more:hover{background-size:100% 1px}

  /* 头部 */
  .site-header{
    position:sticky;top:0;z-index:70;
    background:rgba(246,243,236,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .24s var(--ease);
  }
  .site-header.is-stuck{box-shadow:0 10px 30px -24px rgba(14,31,26,.6)}
  .nav-inner{display:flex;align-items:center;gap:14px;min-height:72px}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:38px;height:38px;border-radius:12px;background:var(--ink);color:#F6F3EC;
    display:grid;place-items:center;font-weight:800;font-size:18px;letter-spacing:0;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.16}
  .brand-text strong{font-size:17px;font-weight:800;color:var(--ink)}
  .brand-text em{font-style:normal;font-size:12px;letter-spacing:.22em;color:var(--jade)}
  .nav-links{display:none;margin-left:auto;align-items:center;gap:4px}
  @media (min-width:1024px){ .nav-links{display:flex} }
  .nav-link{
    position:relative;padding:8px 12px;border-radius:var(--r-pill);font-size:15px;color:var(--muted);
    transition:color .2s var(--ease),background .2s var(--ease);
  }
  .nav-link:hover{color:var(--ink);background:rgba(47,125,104,.09)}
  .nav-link.active{color:var(--ink);font-weight:600}
  .nav-link.active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:var(--ember);
  }
  .nav-cta{margin-left:auto;display:flex;align-items:center}
  @media (min-width:1024px){ .nav-cta{margin-left:12px} }

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:11px 20px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
    border:1px solid transparent;cursor:pointer;
    transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .btn-sm{padding:9px 16px;font-size:14px}
  .btn-dark{background:var(--ink);color:#F6F3EC;box-shadow:var(--sh)}
  .btn-dark:hover{background:#16302A;transform:translateY(-2px);box-shadow:var(--sh-hover);color:#fff}
  .btn-dark:active{transform:translateY(1px)}
  .btn-ember{background:var(--ember);color:#fff}
  .btn-ember:hover{background:#C7461F;transform:translateY(-2px);box-shadow:var(--sh-hover)}
  .btn-ember:active{transform:translateY(1px)}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
  .btn-ghost:hover{border-color:var(--jade);color:var(--jade);transform:translateY(-2px)}
  .btn-ghost:active{transform:translateY(1px)}
  .btn-outline-light{background:rgba(246,243,236,.08);border-color:rgba(246,243,236,.42);color:#F6F3EC}
  .btn-outline-light:hover{background:rgba(246,243,236,.18);border-color:#F6F3EC;transform:translateY(-2px)}
  .btn-outline-light:active{transform:translateY(1px)}
  a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--jade);outline-offset:3px;border-radius:6px}

  /* 首屏 */
  .page-hero{position:relative;overflow:hidden;background:var(--ink);isolation:isolate}
  .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.42}
  .hero-veil{position:absolute;inset:0;background:linear-gradient(102deg,rgba(14,31,26,.94) 0%,rgba(14,31,26,.76) 48%,rgba(14,31,26,.46) 100%)}
  .hero-inner{position:relative;z-index:2;padding-top:44px;padding-bottom:52px}
  @media (min-width:1024px){ .hero-inner{padding-top:76px;padding-bottom:84px} }
  .crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(246,243,236,.66);margin-bottom:22px;flex-wrap:wrap}
  .crumb a{transition:color .2s var(--ease)}
  .crumb a:hover{color:#F6F3EC}
  .crumb-cur{color:#F6F3EC}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:var(--r-pill);
    background:rgba(226,84,43,.18);border:1px solid rgba(226,84,43,.5);color:#FFD9CB;
    font-size:12.5px;font-weight:600;letter-spacing:.06em;
  }
  .page-title{
    margin-top:18px;color:#F6F3EC;font-weight:800;letter-spacing:-0.02em;
    font-size:clamp(30px,5vw,54px);line-height:1.14;max-width:18em;
  }
  .hero-sub{margin-top:18px;color:rgba(246,243,236,.82);font-size:16.5px;max-width:640px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .hero-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 20px;margin-top:38px;padding-top:28px;border-top:1px solid rgba(246,243,236,.18);max-width:760px}
  @media (min-width:768px){ .hero-stats{grid-template-columns:repeat(4,minmax(0,1fr))} }
  .stat-num{font-size:26px;font-weight:800;color:var(--ember);line-height:1.2;font-variant-numeric:tabular-nums}
  .stat-num span{font-size:14px;font-weight:600;color:rgba(246,243,236,.72);margin-left:4px}
  .stat-label{margin-top:6px;font-size:13.5px;color:rgba(246,243,236,.7)}

  /* 卡片通用 */
  .card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);
    padding:22px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#D8D0C1}
  .card-title{font-size:18px;font-weight:700;color:var(--ink);line-height:1.5}
  .card-text{margin-top:10px;color:var(--muted);font-size:15px}
  .badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;background:rgba(47,125,104,.1);color:var(--jade);letter-spacing:.02em}
  .badge-ember{background:rgba(226,84,43,.12);color:#B5401D}
  .badge-ink{background:rgba(14,31,26,.08);color:var(--ink)}

  /* 提示速览 */
  .hint-grid{display:grid;gap:20px;grid-template-columns:1fr}
  @media (min-width:768px){ .hint-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
  .hint-num{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--ember)}
  .hint-quote{
    margin-top:14px;padding:12px 14px;border-radius:10px;background:#FAF8F3;border:1px dashed var(--line);
    font-size:14.5px;color:var(--ink);line-height:1.7;
  }
  .hint-cause{margin-top:14px;font-size:14.5px;color:var(--muted)}
  .hint-cause strong{color:var(--ink);font-weight:600}
  .hint-jump{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--jade)}
  .hint-jump:hover{text-decoration:underline;text-underline-offset:4px}

  /* 时间轴 */
  .timeline{position:relative;margin-top:6px}
  .timeline::before{
    content:"";position:absolute;left:19px;top:8px;bottom:14px;width:2px;
    background:linear-gradient(180deg,var(--jade) 0%,rgba(47,125,104,.16) 100%);
  }
  .tl-item{position:relative;padding-left:58px;padding-bottom:30px}
  .tl-item:last-child{padding-bottom:0}
  .tl-node{
    position:absolute;left:6px;top:2px;width:28px;height:28px;border-radius:50%;
    background:#fff;border:2px solid var(--jade);color:var(--jade);
    display:grid;place-items:center;font-size:12.5px;font-weight:800;
  }
  .tl-item.is-key .tl-node{background:var(--ember);border-color:var(--ember);color:#fff}
  .tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
  .tl-title{font-size:18px;font-weight:700;color:var(--ink);line-height:1.5}
  .tl-body{
    margin-top:12px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    padding:18px 20px;box-shadow:var(--sh);transition:box-shadow .22s var(--ease),transform .22s var(--ease);
  }
  .tl-body:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
  .tl-body p{color:var(--muted);font-size:15px}
  .tl-list{margin-top:12px;display:grid;gap:8px}
  .tl-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text)}
  .tl-list li::before{content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--jade)}
  .tl-meta{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}

  /* 反馈信息 */
  .prepare-grid{display:grid;gap:28px;grid-template-columns:1fr;align-items:center}
  @media (min-width:1024px){ .prepare-grid{grid-template-columns:5fr 6fr;gap:44px} }
  .figure-box{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh);background:#fff}
  .figure-box img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .4s var(--ease)}
  .figure-box:hover img{transform:scale(1.04)}
  .figure-tag{
    position:absolute;left:16px;bottom:16px;padding:7px 14px;border-radius:var(--r-pill);
    background:rgba(14,31,26,.82);color:#F6F3EC;font-size:13px;font-weight:600;
  }
  .prep-list{display:grid;gap:14px;margin-top:22px}
  .prep-item{display:flex;gap:14px;padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:#fff;transition:border-color .2s var(--ease),transform .2s var(--ease)}
  .prep-item:hover{border-color:var(--jade);transform:translateX(3px)}
  .prep-idx{
    flex:none;width:26px;height:26px;border-radius:8px;background:rgba(47,125,104,.12);color:var(--jade);
    display:grid;place-items:center;font-size:13px;font-weight:800;margin-top:3px;
  }
  .prep-item h3{font-size:16px;font-weight:700;color:var(--ink)}
  .prep-item p{margin-top:6px;font-size:14.5px;color:var(--muted)}

  /* FAQ */
  .faq-wrap{max-width:920px}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item:first-child{border-top:1px solid var(--line)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 4px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);
    min-height:56px;transition:color .2s var(--ease);
  }
  .faq-q:hover{color:var(--jade)}
  .faq-icon{flex:none;width:24px;height:24px;position:relative;transition:transform .24s var(--ease)}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--jade);border-radius:2px}
  .faq-icon::before{left:4px;right:4px;top:11px;height:2px}
  .faq-icon::after{top:4px;bottom:4px;left:11px;width:2px}
  .faq-item.open .faq-icon{transform:rotate(90deg)}
  .faq-item.open .faq-icon::after{opacity:0}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
  .faq-item.open .faq-a{max-height:420px}
  .faq-a p{padding:0 44px 20px 4px;font-size:15px;line-height:1.8;color:var(--muted)}

  /* CTA */
  .cta-band{background:var(--ink);color:#F6F3EC;position:relative;overflow:hidden}
  .cta-band::after{
    content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
    background:radial-gradient(circle,rgba(226,84,43,.28) 0%,rgba(226,84,43,0) 68%);
  }
  .cta-inner{position:relative;z-index:2;padding:56px 0;display:grid;gap:26px}
  @media (min-width:1024px){ .cta-inner{padding:78px 0;grid-template-columns:7fr 5fr;align-items:center;gap:48px} }
  .cta-title{color:#F6F3EC;font-size:clamp(24px,3.4vw,34px);font-weight:700;line-height:1.28;letter-spacing:-0.02em}
  .cta-text{margin-top:14px;color:rgba(246,243,236,.78);font-size:15.5px;max-width:620px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
  .cta-note{margin-top:16px;font-size:13.5px;color:rgba(246,243,236,.6)}

  /* 页脚 */
  .site-footer{background:var(--ink);color:rgba(246,243,236,.76);padding-top:56px}
  .footer-grid{display:grid;gap:32px;grid-template-columns:1fr;padding-bottom:40px}
  @media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px} }
  .footer-brand .brand-mark{background:rgba(246,243,236,.12)}
  .footer-brand .brand-text strong{color:#F6F3EC}
  .footer-brand .brand-text em{color:#8FC5B4}
  .footer-tagline{margin-top:16px;font-size:14.5px;line-height:1.8;color:rgba(246,243,236,.72);max-width:330px}
  .footer-col h4{font-size:15px;font-weight:700;color:#F6F3EC;margin-bottom:16px}
  .footer-col li+li{margin-top:10px}
  .footer-col a,.footer-contact li{font-size:14.5px;color:rgba(246,243,236,.72)}
  .footer-col a{background-image:linear-gradient(currentColor,currentColor);background-repeat:no-repeat;background-size:0 1px;background-position:0 100%;transition:background-size .24s var(--ease),color .2s var(--ease)}
  .footer-col a:hover{color:#F6F3EC;background-size:100% 1px}
  .footer-bottom{
    border-top:1px solid rgba(246,243,236,.14);padding:20px 0 34px;
    display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13px;color:rgba(246,243,236,.55);
  }
  @media (min-width:1024px){ .footer-bottom{padding-bottom:28px} }

  /* 移动端底部 Tab */
  .tabbar{
    position:fixed;left:0;right:0;bottom:0;z-index:80;display:flex;
    background:rgba(255,255,255,.97);border-top:1px solid var(--line);
    backdrop-filter:blur(12px);padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -8px 24px -22px rgba(14,31,26,.5);
  }
  @media (min-width:1024px){ .tabbar{display:none} }
  .tabbar a{
    flex:1;height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    font-size:11px;color:var(--muted);position:relative;transition:color .2s var(--ease);
  }
  .tabbar a svg{width:21px;height:21px;stroke:currentColor;stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
  .tabbar a.active{color:var(--ink);font-weight:700}
  .tabbar a.active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:26px;height:2px;border-radius:2px;background:var(--ember);
  }

  /* 入场动效 */
  html.js .reveal{opacity:0;transform:translateY(12px)}
  html.js .reveal.is-in{opacity:1;transform:none;transition:opacity .5s var(--ease),transform .5s var(--ease)}
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    html.js .reveal{opacity:1 !important;transform:none !important}
    *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  }