/* roulang page: index */
:root{
  --paper:#F6F2E8;
  --paper-2:#EFE9DB;
  --surface:#FFFFFF;
  --pine:#143D34;
  --pine-600:#1D574A;
  --pine-050:#EAF1EC;
  --lime:#D8F06A;
  --clay:#C96A43;
  --ink:#15201C;
  --muted:#5B6B65;
  --line:#DCD6C8;
  --line-strong:#C9C1B0;
  --err:#B5402F;
  --ok:#2F7D5B;
  --r-sm:6px;
  --r-btn:12px;
  --r-card:16px;
  --r-lg:24px;
  --sh-1:0 1px 2px rgba(21,32,28,.06);
  --sh-2:0 12px 32px -20px rgba(21,32,28,.25);
  --sh-3:0 24px 60px -32px rgba(20,61,52,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","Arial Narrow","Helvetica Neue",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.75;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--pine);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--pine-600);}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--pine);outline-offset:3px;box-shadow:0 0 0 4px rgba(216,240,106,.5);border-radius:6px;}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--pine);color:#F6F2E8;padding:10px 20px;border-radius:0 0 10px 0;font-size:14px;}
.skip-link:focus{left:0;color:#F6F2E8;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:104px 0;}
.section--paper2{background:var(--paper-2);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:44px;}
.section-head h2{font-size:clamp(26px,3vw,34px);line-height:1.25;letter-spacing:-.012em;font-weight:700;margin-top:10px;}
.section-index{font-family:var(--font-num);font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--clay);text-transform:uppercase;}
.section-desc{margin-top:12px;max-width:54ch;color:var(--muted);font-size:15px;line-height:1.75;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;white-space:nowrap;transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);}
.btn--primary{background:var(--pine);color:#F6F2E8;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--pine-600);color:#FFFDF7;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--pine);}
.btn--ghost:hover{background:var(--pine-050);border-color:var(--pine);color:var(--pine-600);}
.btn--ghost:active{background:#DCE8DF;}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled]{opacity:.45;pointer-events:none;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--pine);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;}
.link-arrow svg{flex:none;transition:transform .2s var(--ease);}
.link-arrow:hover{color:var(--pine-600);text-decoration-thickness:2px;}
.link-arrow:hover svg{transform:translateX(4px);}
.link-arrow--sm{font-size:14px;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--paper);border-bottom:1px solid var(--line);}
.header-inner{display:flex;align-items:center;gap:32px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;color:var(--ink);font-size:17px;font-weight:700;letter-spacing:-.01em;}
.brand:hover{color:var(--ink);}
.brand-mark{width:36px;height:36px;flex:none;display:grid;place-items:center;border-radius:9px;background:var(--pine);color:#F6F2E8;font-family:var(--font-num);font-size:12px;font-weight:700;letter-spacing:.06em;box-shadow:inset 0 0 0 1.5px rgba(216,240,106,.55);}
.nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:600;color:var(--ink);}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);}
.nav-link:hover{color:var(--pine);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--pine);}
.nav-link.is-active::after{background:var(--pine);transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex:none;margin-left:8px;}
.nav-cta{display:none;}
.nav-toggle{display:none;align-items:center;justify-content:center;flex-direction:column;gap:5px;width:44px;height:44px;border-radius:10px;}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--pine);transition:transform .22s var(--ease),opacity .22s var(--ease);}

/* ---------- 首屏 ---------- */
.hero{display:grid;grid-template-columns:minmax(0,58fr) minmax(0,42fr);min-height:600px;border-bottom:1px solid var(--line-strong);background:var(--paper);}
.hero__content{position:relative;display:flex;align-items:center;padding:88px 56px 88px calc(max(0px,(100vw - 1240px)/2) + 32px);}
.hero__inner{max-width:600px;width:100%;}
.eyebrow{display:inline-block;padding:6px 14px;margin-bottom:20px;border:1px solid var(--line-strong);border-radius:999px;background:var(--paper-2);color:var(--pine-600);font-size:12px;font-weight:700;letter-spacing:.02em;}
.hero h1{font-size:clamp(32px,4vw,54px);line-height:1.15;letter-spacing:-.015em;font-weight:700;margin-bottom:20px;}
.hero__sub{font-size:17px;line-height:1.7;color:var(--muted);max-width:32em;margin-bottom:34px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:38px;}
.hero__trust{display:flex;flex-wrap:wrap;gap:0;font-size:13px;color:var(--muted);}
.hero__trust li{padding:0 16px;border-left:1px solid var(--line-strong);line-height:1.6;}
.hero__trust li:first-child{padding-left:0;border-left:0;}
.hero__media{position:relative;overflow:hidden;border-left:1px solid var(--line-strong);min-height:420px;}
.hero__media img{width:100%;height:100%;object-fit:cover;object-position:center;}
.hero__media::before{content:"";position:absolute;inset:0 auto 0 0;width:100px;z-index:1;background:linear-gradient(90deg,var(--paper) 0%,rgba(246,242,232,0) 100%);pointer-events:none;}

/* ---------- 服务能力 ---------- */
.cap-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line-strong);border-left:1px solid var(--line-strong);}
.cap-item{padding:40px 36px 34px;border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);transition:background .2s var(--ease);}
.cap-item:hover{background:rgba(234,241,236,.7);}
.cap-num{font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--clay);}
.cap-item h3{font-size:22px;line-height:1.35;font-weight:700;margin:14px 0 10px;}
.cap-item p{color:var(--muted);font-size:15px;line-height:1.75;margin-bottom:20px;}

/* ---------- 数据带 ---------- */
.stats{background:var(--pine);color:var(--paper);padding:76px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));}
.stat{padding:0 28px;border-left:1px solid rgba(246,242,232,.18);}
.stat:first-child{padding-left:0;border-left:0;}
.stat-num{display:block;font-family:var(--font-num);font-size:clamp(36px,4.4vw,58px);line-height:1;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.stat-num em{font-style:normal;font-size:.45em;color:var(--lime);margin-left:4px;vertical-align:super;}
.stat-label{display:block;margin-top:14px;font-size:13px;color:rgba(246,242,232,.78);}
.stats-note{margin-top:40px;font-size:12px;color:rgba(246,242,232,.6);}

/* ---------- 案例 ---------- */
.case-lead{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,1fr);gap:56px;align-items:center;margin-bottom:56px;}
.case-lead__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2);}
.case-lead__body h3{font-size:26px;line-height:1.3;font-weight:700;margin:16px 0 14px;}
.case-lead__body > p{color:var(--muted);font-size:15px;line-height:1.8;margin-bottom:26px;}
.metric-row{display:flex;flex-wrap:wrap;gap:36px;margin-bottom:28px;}
.metric-row li strong{display:block;font-family:var(--font-num);font-size:26px;line-height:1.15;color:var(--pine);font-weight:700;font-variant-numeric:tabular-nums;}
.metric-row li span{font-size:13px;color:var(--muted);}
.tag{display:inline-block;align-self:flex-start;padding:3px 12px;border:1px solid var(--line-strong);border-radius:999px;background:var(--paper-2);color:var(--pine-600);font-size:12px;font-weight:600;line-height:1.6;}
.case-rows{border-top:1px solid var(--line-strong);}
.case-row{display:grid;grid-template-columns:56px minmax(0,1fr) 150px 140px 20px;align-items:center;gap:20px;padding:22px 16px;border-bottom:1px solid var(--line);color:var(--ink);transition:background .18s var(--ease);}
.case-row:hover{background:var(--pine-050);color:var(--ink);}
.case-row__idx{font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--clay);letter-spacing:.06em;}
.case-row__name{font-size:17px;font-weight:600;line-height:1.5;}
.case-row__cat{font-size:13px;color:var(--muted);}
.case-row__metric{font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--pine);font-variant-numeric:tabular-nums;}
.case-row__arrow{justify-self:end;display:flex;color:var(--pine);}

/* ---------- 方案 ---------- */
.plan-list{display:flex;flex-direction:column;gap:84px;}
.plan{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;}
.plan__media img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2);}
.plan:nth-child(even) .plan__media{order:2;}
.plan__body h3{font-size:26px;line-height:1.3;font-weight:700;margin:12px 0 12px;}
.plan__body > p{color:var(--muted);font-size:15px;line-height:1.8;margin-bottom:22px;}
.check-list{margin-bottom:26px;}
.check-list li{position:relative;padding-left:26px;margin-bottom:10px;font-size:15px;line-height:1.7;}
.check-list li::before{content:"";position:absolute;left:2px;top:9px;width:12px;height:7px;border-left:2px solid var(--pine-600);border-bottom:2px solid var(--pine-600);transform:rotate(-45deg);}

/* ---------- 最新信息 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);}
.post-card:hover{transform:translateY(-2px);border-color:rgba(20,61,52,.32);box-shadow:var(--sh-2);}
.post-card__media{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--paper-2);}
.post-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.post-card:hover .post-card__media img{transform:scale(1.03);}
.post-card__body{display:flex;flex-direction:column;flex:1;padding:22px 24px 24px;}
.post-card__title{font-size:18px;line-height:1.5;font-weight:700;margin:12px 0 10px;}
.post-card__title a{color:var(--ink);}
.post-card__title a:hover{color:var(--pine);}
.post-card__desc{font-size:14px;line-height:1.65;color:var(--muted);margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-card__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--muted);}
.empty{padding:64px 24px;text-align:center;border:1px dashed var(--line-strong);border-radius:var(--r-card);background:rgba(255,255,255,.65);}
.empty svg{margin:0 auto 16px;color:var(--line-strong);}
.empty p{font-size:15px;color:var(--muted);margin-bottom:18px;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,36fr) minmax(0,64fr);gap:64px;align-items:start;}
.faq-aside{position:sticky;top:104px;}
.faq-aside h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;margin:12px 0 14px;}
.faq-aside p{font-size:15px;color:var(--muted);margin-bottom:20px;max-width:28ch;}
.faq-item{border-top:1px solid var(--line-strong);}
.faq-item:last-child{border-bottom:1px solid var(--line-strong);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;padding:22px 4px;text-align:left;font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);transition:color .18s var(--ease);}
.faq-q:hover{color:var(--pine);}
.faq-icon{position:relative;flex:none;width:16px;height:16px;transition:transform .24s var(--ease);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--pine);border-radius:1px;}
.faq-icon::before{left:0;right:0;top:7px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:7px;width:2px;}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.faq-a p{padding:0 4px 24px;font-size:15px;line-height:1.8;color:var(--muted);max-width:64ch;}

/* ---------- 联系 CTA ---------- */
.cta-band{background:var(--pine);color:var(--paper);padding:88px 0;}
.cta-band__inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px);gap:64px;align-items:start;}
.cta-band h2{font-size:clamp(26px,3vw,34px);line-height:1.3;font-weight:700;color:#F6F2E8;margin-bottom:16px;}
.cta-band__text > p{font-size:15px;line-height:1.8;color:rgba(246,242,232,.78);max-width:44ch;}
.cta-contact{display:flex;flex-direction:column;gap:10px;margin-top:30px;font-size:14px;color:rgba(246,242,232,.85);}
.cta-contact strong{color:var(--lime);font-weight:600;margin-right:10px;}
.cta-form{background:var(--surface);border-radius:var(--r-card);padding:28px;color:var(--ink);box-shadow:var(--sh-3);}
.cta-form h3{font-size:18px;font-weight:700;margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;margin-bottom:6px;font-size:13px;font-weight:600;color:var(--ink);}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 14px;border:1px solid var(--line-strong);border-radius:var(--r-btn);background:var(--surface);font-size:15px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.6;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--pine);box-shadow:0 0 0 4px rgba(216,240,106,.45);}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{outline:none;}
.check{display:flex;align-items:flex-start;gap:10px;margin-bottom:18px;font-size:13px;line-height:1.6;color:var(--muted);}
.check input{width:18px;height:18px;margin-top:2px;flex:none;accent-color:var(--pine);}
.check a{color:var(--pine);text-decoration:underline;text-underline-offset:3px;}
.form-msg{margin-top:14px;font-size:13px;color:var(--ok);min-height:20px;}
.form-note{margin-top:10px;font-size:12px;color:var(--muted);}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;overflow:hidden;background:var(--pine);color:rgba(246,242,232,.82);padding-top:64px;}
.site-footer::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(246,242,232,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(246,242,232,.05) 1px,transparent 1px);background-size:72px 72px;pointer-events:none;}
.footer-grid{position:relative;display:grid;grid-template-columns:minmax(0,4fr) minmax(0,2fr) minmax(0,2fr) minmax(0,4fr);gap:40px;padding-bottom:56px;}
.footer-brand .brand{color:#F6F2E8;}
.footer-brand .brand:hover{color:#F6F2E8;}
.footer-brand .brand-mark{background:rgba(246,242,232,.1);color:#F6F2E8;box-shadow:inset 0 0 0 1.5px rgba(216,240,106,.6);}
.footer-desc{margin-top:18px;max-width:34ch;font-size:14px;line-height:1.85;color:rgba(246,242,232,.7);}
.footer-col h4{font-size:14px;font-weight:700;color:#F6F2E8;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(246,242,232,.72);}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:14px;color:rgba(246,242,232,.72);line-height:1.7;}
.footer-contact svg{flex:none;margin-top:5px;color:rgba(216,240,106,.8);}
.footer-bottom{position:relative;display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding:22px 0;border-top:1px solid rgba(246,242,232,.16);font-size:13px;color:rgba(246,242,232,.6);}
.footer-bottom a{color:rgba(246,242,232,.72);}
.footer-bottom a:hover{color:var(--lime);}
.footer-bottom p{margin:0;}

/* ---------- 回到顶部 ---------- */
.to-top{position:fixed;right:24px;bottom:24px;z-index:70;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--pine);color:var(--lime);box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);}
.to-top.is-visible{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--pine-600);color:var(--lime);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero{grid-template-columns:minmax(0,54fr) minmax(0,46fr);min-height:560px;}
  .hero__content{padding:76px 44px 76px 28px;}
  .container{padding:0 28px;}
  .section{padding:88px 0;}
  .cap-item{padding:34px 28px 30px;}
  .plan{gap:44px;}
  .case-row{grid-template-columns:48px minmax(0,1fr) 130px 120px 20px;gap:16px;}
}
@media (max-width:960px){
  .container{padding:0 24px;}
  .header-inner{height:56px;gap:16px;}
  .brand{font-size:16px;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
  .nav{position:fixed;inset:56px 0 0 0;margin:0;z-index:60;padding:24px;background:var(--paper);border-top:1px solid var(--line);overflow-y:auto;transform:translateX(100%);transition:transform .28s var(--ease);}
  .nav.is-open{transform:translateX(0);}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-list li{border-bottom:1px solid var(--line);}
  .nav-link{display:block;padding:18px 4px;font-size:18px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--pine);}
  .nav-cta{display:flex;width:100%;margin-top:28px;}
  .hero{grid-template-columns:1fr;min-height:0;}
  .hero__content{display:block;padding:56px 24px 40px;}
  .hero__inner{max-width:none;}
  .hero__media{border-left:0;border-top:1px solid var(--line-strong);min-height:0;height:280px;}
  .hero__media::before{display:none;}
  .hero h1{font-size:clamp(30px,6vw,40px);}
  .section{padding:72px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:20px;margin-bottom:32px;}
  .cap-grid{grid-template-columns:1fr;}
  .stats{padding:60px 0;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:32px 0;}
  .stat{padding:0 20px;}
  .stat:nth-child(odd){padding-left:0;border-left:0;}
  .case-lead{grid-template-columns:1fr;gap:32px;}
  .case-row{grid-template-columns:40px minmax(0,1fr) 20px;gap:12px;padding:18px 12px;}
  .case-row__cat,.case-row__metric{grid-column:2;}
  .case-row__arrow{grid-row:1;grid-column:3;align-self:center;}
  .plan{grid-template-columns:1fr;gap:28px;}
  .plan:nth-child(even) .plan__media{order:0;}
  .plan-list{gap:56px;}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .faq-aside{position:static;}
  .cta-band{padding:64px 0;}
  .cta-band__inner{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand,.footer-contact{grid-column:1 / -1;}
}
@media (max-width:720px){
  .container{padding:0 20px;}
  .hero__content{padding:44px 20px 36px;}
  .hero__media{height:250px;}
  .hero__actions{flex-direction:column;align-items:stretch;}
  .hero__actions .btn{width:100%;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .post-grid{grid-template-columns:1fr;}
  .cap-item{padding:28px 22px 26px;}
  .stat-num{font-size:34px;}
  .metric-row{gap:24px;}
  .plan__body h3,.case-lead__body h3{font-size:22px;}
  .cta-form{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:40px;}
  .faq-q{font-size:16px;padding:18px 2px;}
  .case-row__name{font-size:15px;}
}
@media (max-width:480px){
  .brand-name{font-size:15px;}
  .hero h1{font-size:30px;}
  .btn{width:100%;}
  .hero__trust li{padding:0 12px;}
  .post-card__body{padding:18px 20px 20px;}
  .to-top{right:16px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: article */
:root{
  --paper:#F6F2E8;
  --paper-2:#EFE9DB;
  --surface:#FFFFFF;
  --pine:#143D34;
  --pine-600:#1D574A;
  --pine-050:#EAF1EC;
  --lime:#D8F06A;
  --clay:#C96A43;
  --ink:#15201C;
  --muted:#5B6B65;
  --line:#DCD6C8;
  --line-strong:#C9C1B0;
  --error:#B5402F;
  --success:#2F7D5B;
  --r-sm:6px;
  --r-btn:12px;
  --r-card:16px;
  --r-lg:24px;
  --sh-1:0 1px 2px rgba(21,32,28,.06);
  --sh-2:0 12px 32px -20px rgba(21,32,28,.25);
  --sh-3:0 24px 60px -32px rgba(20,61,52,.35);
  --ff-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --ff-num:"DIN Alternate","Bahnschrift","Arial Narrow",Arial,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--paper);
  background-image:linear-gradient(to right,rgba(20,61,52,.05) 1px,transparent 1px),linear-gradient(to bottom,rgba(20,61,52,.05) 1px,transparent 1px);
  background-size:96px 96px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--pine);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;transition:color .2s var(--ease);}
a:hover{color:var(--pine-600);text-decoration-thickness:2px;}
img{max-width:100%;display:block;height:auto;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--pine);outline-offset:3px;box-shadow:0 0 0 4px rgba(216,240,106,.55);border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--pine);color:var(--paper);padding:10px 18px;border-radius:0 0 var(--r-btn) 0;z-index:200;}
.skip-link:focus{left:0;}
.eyebrow{
  display:inline-block;font-family:var(--ff-num);font-size:12px;letter-spacing:.08em;
  color:var(--pine-600);font-variant-numeric:tabular-nums;
}
.section-index{
  font-family:var(--ff-num);font-size:12px;font-variant-numeric:tabular-nums;
  color:var(--clay);letter-spacing:.08em;display:block;margin-bottom:10px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  border:1px solid transparent;white-space:nowrap;
}
.btn--primary{background:var(--pine);color:var(--paper);border-color:var(--pine);}
.btn--primary:hover{background:var(--pine-600);border-color:var(--pine-600);color:var(--paper);transform:translateY(-1px);box-shadow:var(--sh-2);text-decoration:none;}
.btn--primary:active{transform:translateY(0);box-shadow:none;}
.btn--ghost{background:transparent;color:var(--pine);border:1px solid var(--line-strong);}
.btn--ghost:hover{background:var(--pine-050);border-color:var(--pine);color:var(--pine);text-decoration:none;}
.btn--sm{height:38px;padding:0 16px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);}
.brand:hover{text-decoration:none;color:var(--ink);}
.brand-mark{
  width:36px;height:36px;border-radius:var(--r-sm);
  background:var(--pine);color:var(--paper);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--ff-num);font-size:13px;font-weight:700;letter-spacing:.04em;
  box-shadow:inset 0 0 0 1.5px var(--lime);
  flex:0 0 auto;
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.nav{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-link{
  display:inline-block;padding:6px 0;font-size:15px;font-weight:600;color:var(--ink);
  text-decoration:none;border-bottom:2px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.nav-link:hover{color:var(--pine);border-bottom-color:var(--lime);text-decoration:none;}
.nav-link.is-active{color:var(--pine);border-bottom-color:var(--pine);}
.header-actions{display:flex;align-items:center;gap:12px;}
.header-actions .btn{display:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line-strong);background:var(--surface);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--pine);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumbs a{color:var(--muted);text-decoration:none;}
.crumbs a:hover{color:var(--pine);text-decoration:underline;}
.crumbs .sep{color:var(--line-strong);}
.crumbs .current{color:var(--ink);}

/* ---------- 文章头部 ---------- */
.article-hero{padding:26px 0 0;}
.article-hero-inner{max-width:1120px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--paper-2);border:1px solid var(--line-strong);
  font-size:12px;color:var(--pine-600);text-decoration:none;
}
.tag:hover{background:var(--pine);color:var(--paper);border-color:var(--pine);text-decoration:none;}
.tag--solid{background:var(--pine);color:var(--paper);border-color:var(--pine);}
.article-title{
  font-size:clamp(30px,4vw,50px);line-height:1.18;letter-spacing:-.015em;font-weight:700;
  max-width:20em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  margin-top:22px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.article-meta .dot{width:1px;height:12px;background:var(--line-strong);display:inline-block;}
.article-meta .num{font-family:var(--ff-num);font-variant-numeric:tabular-nums;}
.article-abstract{
  margin-top:24px;padding:18px 22px;background:var(--paper-2);
  border-left:3px solid var(--lime);border-radius:0 var(--r-card) var(--r-card) 0;
  font-size:15px;line-height:1.8;color:var(--muted);
}

/* ---------- 文章主体布局 ---------- */
.article-wrap{padding:44px 0 0;}
.article-layout{
  max-width:1120px;
  display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:64px;align-items:start;
}
.article-body{font-size:17px;line-height:1.9;color:var(--ink);min-width:0;}
.article-body > * + *{margin-top:20px;}
.article-body h2{
  font-size:26px;line-height:1.35;font-weight:700;letter-spacing:-.01em;
  margin-top:48px;padding-left:16px;position:relative;scroll-margin-top:92px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1.05em;background:var(--lime);border-radius:2px;
}
.article-body h3{font-size:20px;line-height:1.4;font-weight:650;margin-top:34px;scroll-margin-top:92px;}
.article-body h4{font-size:17px;line-height:1.5;font-weight:600;margin-top:26px;}
.article-body p{font-size:17px;line-height:1.9;}
.article-body ul,.article-body ol{margin-top:18px;padding-left:2px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:20px;line-height:1.85;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.78em;width:6px;height:6px;border-radius:2px;background:var(--pine);
}
.article-body ol{counter-reset:item;}
.article-body ol li{counter-increment:item;padding-left:26px;}
.article-body ol li::before{
  content:counter(item,decimal-leading-zero);
  position:absolute;left:0;top:0;font-family:var(--ff-num);font-size:13px;color:var(--clay);line-height:1.9;
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--paper-2);
  border-left:3px solid var(--pine);border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:16px;line-height:1.8;color:var(--muted);
}
.article-body img{border-radius:var(--r-btn);margin:26px auto;width:100%;height:auto;}
.article-body figure{margin:26px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px;}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  font-size:15px;min-width:0;
}
.article-body th{background:var(--pine);color:var(--paper);font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border:1px solid var(--line);white-space:nowrap;}
.article-body tbody tr:nth-child(even){background:var(--paper-2);}
.article-body strong{font-weight:700;}
.article-body a{color:var(--pine);text-decoration:underline;text-underline-offset:4px;}

/* ---------- 目录 ---------- */
.toc{
  position:sticky;top:92px;align-self:start;
  border-left:1px solid var(--line);padding-left:22px;
}
.toc-title{
  font-size:12px;font-family:var(--ff-num);letter-spacing:.08em;color:var(--clay);
  margin-bottom:14px;display:block;
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--muted);text-decoration:none;
  padding:7px 0 7px 12px;border-left:2px solid transparent;margin-left:-24px;padding-left:22px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a:hover{color:var(--pine);}
.toc-list a.is-current{color:var(--pine);border-left-color:var(--lime);font-weight:600;}
.toc-mobile{display:none;}
.toc-empty{display:none;}

/* ---------- 文章尾部 ---------- */
.article-foot{margin-top:56px;padding-top:26px;border-top:1px solid var(--line);max-width:760px;}
.article-foot .tag-row{margin-bottom:22px;}
.foot-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.foot-actions .link-more{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
  color:var(--pine);text-decoration:none;border-bottom:1px solid var(--pine);padding-bottom:2px;
}
.foot-actions .link-more svg{transition:transform .2s var(--ease);}
.foot-actions .link-more:hover svg{transform:translateX(4px);}

/* ---------- 延伸阅读 ---------- */
.related{padding:78px 0 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:32px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(26px,3vw,34px);line-height:1.25;letter-spacing:-.01em;}
.section-head p{color:var(--muted);font-size:15px;margin-top:8px;max-width:46em;}
.link-all{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
  color:var(--pine);text-decoration:none;border-bottom:1px solid var(--pine);padding-bottom:2px;
}
.link-all svg{transition:transform .2s var(--ease);}
.link-all:hover svg{transform:translateX(4px);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(20,61,52,.3);}
.post-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--paper-2);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-card .card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card .card-cat{font-size:12px;color:var(--clay);font-family:var(--ff-num);letter-spacing:.06em;}
.post-card h3{font-size:18px;line-height:1.5;font-weight:600;margin:0;}
.post-card h3 a{color:var(--ink);text-decoration:none;}
.post-card h3 a:hover{color:var(--pine);}
.post-card p{font-size:14px;line-height:1.6;color:var(--muted);}
.post-card .card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.post-card .card-foot .num{font-family:var(--ff-num);font-variant-numeric:tabular-nums;}
.post-card .read{color:var(--pine);text-decoration:none;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.post-card .read svg{transition:transform .2s var(--ease);}
.post-card .read:hover svg{transform:translateX(4px);}

/* ---------- 文末 CTA ---------- */
.article-cta{padding:78px 0 96px;}
.cta-card{
  background:var(--pine-050);border:1px solid rgba(20,61,52,.16);border-radius:var(--r-lg);
  padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-card h2{font-size:clamp(20px,2.4vw,26px);line-height:1.35;letter-spacing:-.01em;}
.cta-card p{color:var(--muted);font-size:15px;margin-top:8px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:760px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px 32px;text-align:center;
}
.empty-state svg{margin:0 auto 16px;color:var(--pine);opacity:.8;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;background:var(--pine);color:var(--paper);
  background-image:linear-gradient(to right,rgba(246,242,232,.05) 1px,transparent 1px),linear-gradient(to bottom,rgba(246,242,232,.05) 1px,transparent 1px);
  background-size:96px 96px;
  padding-top:64px;
}
.footer-grid{
  display:grid;grid-template-columns:4fr 2fr 2fr 4fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{color:var(--paper);}
.footer-brand .brand-mark{background:var(--paper);color:var(--pine);box-shadow:inset 0 0 0 1.5px var(--pine);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(246,242,232,.72);max-width:30em;}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--paper);}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{color:rgba(246,242,232,.72);text-decoration:none;font-size:14px;}
.footer-col a:hover{color:var(--lime);text-decoration:underline;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(246,242,232,.72);font-size:14px;line-height:1.7;}
.footer-contact svg{flex:0 0 auto;margin-top:3px;color:var(--lime);}
.footer-bottom{
  border-top:1px solid rgba(246,242,232,.18);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(246,242,232,.62);
}
.footer-bottom a{color:rgba(246,242,232,.72);text-decoration:none;}
.footer-bottom a:hover{color:var(--lime);text-decoration:underline;}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;
  background:var(--pine);color:var(--lime);display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease);
  z-index:90;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--pine-600);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 28px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 216px;gap:44px;}
}
@media (max-width:1024px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:2fr 1fr 1fr;gap:32px;}
  .footer-contact{grid-column:1 / -1;}
}
@media (max-width:960px){
  .header-inner{height:56px;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .site-header{position:sticky;}
  .nav{
    position:fixed;inset:56px 0 0;z-index:95;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);padding:24px 24px 32px;margin:0;
    border-top:1px solid var(--line);
    transform:translateY(-8px);opacity:0;visibility:hidden;overflow-y:auto;
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);
  }
  .nav.is-open{transform:translateY(0);opacity:1;visibility:visible;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-list li{border-bottom:1px solid var(--line);}
  .nav-link{display:block;font-size:18px;padding:16px 0;border-bottom:0;}
  .nav-link.is-active{color:var(--pine);border-bottom:0;box-shadow:inset 3px 0 0 var(--lime);padding-left:12px;}
  .nav-cta{margin-top:auto;width:100%;height:48px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .toc{display:none;}
  .toc-mobile{
    display:block;margin:26px 0 0;background:var(--surface);
    border:1px solid var(--line);border-radius:var(--r-card);padding:4px 18px;
  }
  .toc-mobile summary{
    cursor:pointer;font-size:15px;font-weight:600;padding:14px 0;list-style:none;
    display:flex;align-items:center;justify-content:space-between;color:var(--pine);
  }
  .toc-mobile summary::-webkit-details-marker{display:none;}
  .toc-mobile summary svg{transition:transform .2s var(--ease);}
  .toc-mobile[open] summary svg{transform:rotate(180deg);}
  .toc-mobile .toc-list{padding-bottom:14px;}
  .toc-mobile .toc-list a{margin-left:0;padding-left:12px;font-size:15px;}
  .related{padding-top:56px;}
  .article-cta{padding:56px 0 64px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .article-title{font-size:32px;}
  .article-body,.article-body p{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:23px;margin-top:38px;}
  .article-body h3{font-size:19px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:32px;}
  .footer-col ul{gap:10px;}
  .cta-card{padding:26px 22px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:18px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .article-title{font-size:29px;}
  .brand-name{font-size:15px;}
  .cta-actions .btn{width:100%;}
  .article-abstract{padding:16px 18px;font-size:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --paper:#F6F2E8;
  --paper-2:#EFE9DB;
  --surface:#FFFFFF;
  --pine:#143D34;
  --pine-600:#1D574A;
  --pine-050:#EAF1EC;
  --lime:#D8F06A;
  --clay:#C96A43;
  --ink:#15201C;
  --muted:#5B6B65;
  --line:#DCD6C8;
  --line-strong:#C9C1B0;
  --danger:#B5402F;
  --success:#2F7D5B;
  --r-sm:6px;
  --r-btn:12px;
  --r-card:16px;
  --r-img:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(21,32,28,.06);
  --sh-2:0 12px 32px -20px rgba(21,32,28,.25);
  --sh-3:0 24px 60px -32px rgba(20,61,52,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","Arial Narrow",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--pine);text-decoration:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--pine);outline-offset:3px;box-shadow:0 0 0 4px rgba(216,240,106,.55);border-radius:4px}
.skip-link{
  position:absolute;left:16px;top:-60px;z-index:200;
  background:var(--pine);color:var(--paper);
  padding:10px 18px;border-radius:var(--r-btn);
  transition:top .18s var(--ease);
}
.skip-link:focus{top:12px}
.container{
  width:100%;max-width:1240px;margin:0 auto;
  padding-left:32px;padding-right:32px;
}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.header-inner{
  min-height:68px;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;
}
.brand{
  display:inline-flex;align-items:center;gap:12px;
  color:var(--pine);flex:0 0 auto;
}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--pine);color:var(--paper);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.04em;
  box-shadow:inset 0 0 0 1.5px var(--lime);
  flex:0 0 auto;
}
.brand-name{
  font-size:17px;font-weight:700;color:var(--pine);white-space:nowrap;
}
.nav{
  display:flex;align-items:center;gap:30px;
  margin-left:auto;
}
.nav-list{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;display:inline-block;
  padding:6px 0;font-size:15px;font-weight:600;color:var(--pine);
  transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link:hover{color:var(--pine-600)}
.nav-link.is-active::after{transform:scaleX(1);background:var(--pine)}
.header-actions{display:flex;align-items:center;gap:12px}
.header-actions .btn--sm{display:none}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line-strong);background:var(--surface);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  cursor:pointer;transition:background .18s var(--ease),border-color .18s var(--ease);
}
.nav-toggle:hover{background:var(--pine-050);border-color:var(--pine)}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--pine);border-radius:2px;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn--primary{background:var(--pine);color:var(--paper);box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--pine-600);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--pine)}
.btn--ghost:hover{background:var(--pine-050);border-color:var(--pine)}
.btn--ghost:active{background:#E1EBE4}
.btn--lime{background:var(--lime);color:var(--pine);box-shadow:var(--sh-1)}
.btn--lime:hover{background:#E4F888;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--outline-light{background:transparent;border-color:rgba(246,242,232,.5);color:var(--paper)}
.btn--outline-light:hover{background:rgba(246,242,232,.12);border-color:var(--paper)}
.btn--sm{height:36px;padding:0 16px;font-size:14px}
.nav-cta{height:40px;padding:0 20px;font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--pine);
  border-bottom:1px solid var(--pine);padding-bottom:2px;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.link-arrow svg{transition:transform .2s var(--ease)}
.link-arrow:hover{color:var(--pine-600);border-color:var(--pine-600)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:20px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--line-strong)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--pine);text-decoration:underline;text-underline-offset:4px}
.breadcrumb [aria-current="page"]{color:var(--ink);font-weight:600}

/* ---------- page head ---------- */
.page-head{
  position:relative;
  padding:36px 0 34px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(20,61,52,.06) 1px,transparent 1px);
  background-size:96px 100%;
  opacity:.7;
}
.page-head .container{position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:700;color:var(--muted);
  margin-bottom:16px;
}
.eyebrow .num{color:var(--clay);font-size:13px}
.page-head h1{
  font-size:48px;line-height:1.15;font-weight:700;letter-spacing:-.015em;
  color:var(--pine);max-width:22em;
}
.page-lead{
  margin-top:18px;font-size:17px;color:var(--muted);max-width:46em;
}
.anchor-nav{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;
}
.anchor-nav a{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:38px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--paper-2);border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--pine);
  transition:background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.anchor-nav a:hover{background:var(--pine);border-color:var(--pine);color:var(--paper)}

/* ---------- layout blocks ---------- */
.page-main{padding-bottom:104px}
.block{margin-top:88px;scroll-margin-top:84px}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{
  font-size:34px;line-height:1.25;font-weight:700;color:var(--pine);letter-spacing:-.01em;
}
.section-head .section-desc{margin-top:14px;font-size:16px;color:var(--muted)}
.section-head--row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;
}

/* ---------- capability matrix ---------- */
.cap-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:40px 32px;
}
.cap{
  border-top:1px solid var(--line-strong);
  padding-top:26px;
  transition:border-color .2s var(--ease);
}
.cap:hover{border-top-color:var(--pine)}
.cap-num{
  display:block;font-family:var(--font-num);font-size:13px;font-weight:700;
  color:var(--clay);margin-bottom:10px;
}
.cap h3{font-size:21px;line-height:1.35;font-weight:650;color:var(--pine);margin-bottom:10px}
.cap p{font-size:15px;line-height:1.75;color:var(--muted);margin-bottom:16px}

/* ---------- flow timeline ---------- */
.flow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
}
.flow-step{
  position:relative;border-top:1px solid var(--line-strong);
  padding-top:28px;
}
.flow-step::before{
  content:"";position:absolute;top:-5px;left:0;
  width:9px;height:9px;border-radius:50%;background:var(--pine);
}
.flow-step:first-child::before{background:var(--clay)}
.flow-index{
  display:block;font-family:var(--font-num);font-size:12px;font-weight:700;
  color:var(--muted);margin-bottom:8px;
}
.flow-step h3{font-size:18px;font-weight:650;color:var(--pine);margin-bottom:8px}
.flow-step p{font-size:14px;line-height:1.7;color:var(--muted)}

/* ---------- table ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--surface);overflow-x:auto;box-shadow:var(--sh-1);
}
table{width:100%;min-width:760px;border-collapse:collapse}
caption{
  caption-side:top;text-align:left;padding:18px 20px 0;
  font-size:13px;color:var(--muted);
}
thead th{
  background:var(--pine);color:var(--paper);
  font-size:14px;font-weight:600;text-align:left;
  padding:14px 20px;white-space:nowrap;
}
thead th:first-child{border-top-left-radius:var(--r-card)}
thead th:last-child{border-top-right-radius:var(--r-card)}
tbody td{
  padding:16px 20px;font-size:15px;line-height:1.7;
  border-top:1px solid var(--line);color:var(--ink);vertical-align:top;
}
tbody th{
  padding:16px 20px;font-size:15px;font-weight:600;text-align:left;
  border-top:1px solid var(--line);color:var(--pine);white-space:nowrap;
}
tbody tr:nth-child(even) td,tbody tr:nth-child(even) th{background:var(--paper-2)}
tbody td .num{color:var(--pine)}

/* ---------- split feature ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.split-media{
  border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);
  aspect-ratio:5/4;background:var(--paper-2);
}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-body h2{font-size:34px;line-height:1.25;font-weight:700;color:var(--pine);margin-bottom:16px}
.split-body p{font-size:16px;color:var(--muted);margin-bottom:18px}
.point-list{display:grid;gap:12px;margin-bottom:24px}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--ink);
  padding-bottom:12px;border-bottom:1px solid var(--line);
}
.point-list li:last-child{border-bottom:0;padding-bottom:0}
.point-list .dot{
  flex:0 0 auto;margin-top:6px;width:8px;height:8px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 0 3px rgba(20,61,52,.12);
}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:36fr 64fr;gap:64px;align-items:start}
.faq-side{position:sticky;top:96px}
.faq-side h2{font-size:34px;line-height:1.25;font-weight:700;color:var(--pine);margin-bottom:14px}
.faq-side p{font-size:15px;color:var(--muted);margin-bottom:18px}
.faq-item{border-top:1px solid var(--line-strong)}
.faq-item:last-child{border-bottom:1px solid var(--line-strong)}
.faq-trigger{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;background:none;border:0;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);text-align:left;
  transition:color .18s var(--ease);
}
.faq-trigger:hover{color:var(--pine)}
.faq-icon{
  flex:0 0 auto;color:var(--pine);
  transition:transform .22s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{padding:0 0 22px;max-width:56em}
.faq-a p{font-size:15px;line-height:1.8;color:var(--muted)}
.faq-item:not(.is-open) .faq-a{display:none}

/* ---------- cta band ---------- */
.cta-band{
  margin-top:96px;
  background:var(--pine);color:var(--paper);
  border-radius:0;
  padding:64px 0;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(246,242,232,.08) 1px,transparent 1px);
  background-size:88px 100%;
}
.cta-inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:48px;
}
.cta-inner h2{font-size:32px;line-height:1.3;font-weight:700;color:var(--paper);margin-bottom:12px}
.cta-inner p{font-size:15px;color:rgba(246,242,232,.78);max-width:40em}
.cta-contact{margin-top:16px;font-size:14px;color:rgba(246,242,232,.92)}
.cta-contact .num{color:var(--lime);font-weight:700}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}
.cta-actions .btn{min-width:150px}

/* ---------- footer ---------- */
.site-footer{
  background:var(--pine);color:rgba(246,242,232,.78);
  padding-top:64px;margin-top:0;
  position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(246,242,232,.05) 1px,transparent 1px);
  background-size:110px 100%;
}
.footer-grid{
  position:relative;
  display:grid;grid-template-columns:4fr 2fr 2fr 4fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{color:var(--paper);margin-bottom:16px}
.footer-brand .brand-mark{background:var(--lime);color:var(--pine);box-shadow:none}
.footer-brand .brand-name{color:var(--paper)}
.footer-desc{font-size:14px;line-height:1.75;color:rgba(246,242,232,.72);max-width:26em}
.footer-col h4{
  font-size:15px;font-weight:700;color:var(--paper);
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px}
.footer-col a{
  font-size:14px;color:rgba(246,242,232,.76);
  transition:color .18s var(--ease);
}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px}
.footer-contact ul{gap:12px}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;line-height:1.7;color:rgba(246,242,232,.76);
}
.footer-contact svg{flex:0 0 auto;margin-top:4px;color:var(--lime)}
.footer-bottom{
  position:relative;
  border-top:1px solid rgba(246,242,232,.16);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(246,242,232,.6);
}
.footer-bottom .num{color:rgba(246,242,232,.78)}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:44px;height:44px;border-radius:50%;
  background:var(--pine);color:var(--lime);
  border:1px solid rgba(216,240,106,.4);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease),background .2s var(--ease);
  box-shadow:var(--sh-2);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--pine-600)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding-left:28px;padding-right:28px}
  .page-head h1{font-size:42px}
  .cap-grid{grid-template-columns:repeat(2,1fr);gap:36px 28px}
  .split{gap:40px}
  .footer-grid{grid-template-columns:3fr 2fr 2fr 3fr;gap:32px}
}
@media (max-width:960px){
  .container{padding-left:24px;padding-right:24px}
  .header-inner{min-height:56px}
  .site-header{position:sticky}
  .nav-toggle{display:flex}
  .nav{
    position:fixed;left:0;right:0;top:56px;bottom:0;z-index:75;
    margin:0;padding:20px 24px 24px;
    background:var(--paper);
    border-top:1px solid var(--line);
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);pointer-events:none;
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease);
  }
  .nav.is-open{opacity:1;visibility:visible;transform:none;pointer-events:auto}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-list li{border-bottom:1px solid var(--line)}
  .nav-link{display:block;padding:16px 2px;font-size:18px}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--pine);box-shadow:inset 2px 0 0 var(--lime);padding-left:14px}
  .nav-cta{margin-top:auto;height:50px;width:100%;font-size:16px;margin-top:28px}
  .header-actions .btn--sm{display:none}
  .page-head{padding:28px 0 26px}
  .page-head h1{font-size:36px}
  .page-lead{font-size:16px}
  .block{margin-top:72px}
  .section-head h2,.split-body h2,.faq-side h2{font-size:28px}
  .split{grid-template-columns:1fr;gap:28px}
  .split-media{aspect-ratio:16/10}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-side{position:static}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:28px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 200px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
  .footer-contact{grid-column:1 / -1}
  .page-main{padding-bottom:72px}
}
@media (max-width:720px){
  .container{padding-left:20px;padding-right:20px}
  .page-head h1{font-size:32px}
  .cap-grid{grid-template-columns:1fr;gap:28px}
  .flow{grid-template-columns:1fr;gap:26px}
  .flow-step{border-top:0;border-left:1px solid var(--line-strong);padding:0 0 0 24px}
  .flow-step::before{top:6px;left:-5px}
  .block{margin-top:56px}
  .section-head h2,.split-body h2,.faq-side h2{font-size:26px}
  .cta-band{padding:48px 0}
  .cta-inner h2{font-size:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:520px){
  .anchor-nav a{min-height:36px;padding:0 14px;font-size:12px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .brand-name{font-size:15px}
  .faq-trigger{font-size:16px;padding:18px 0}
  .footer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --paper:#F6F2E8;
  --paper-2:#EFE9DB;
  --surface:#FFFFFF;
  --pine:#143D34;
  --pine-600:#1D574A;
  --pine-050:#EAF1EC;
  --lime:#D8F06A;
  --clay:#C96A43;
  --ink:#15201C;
  --muted:#5B6B65;
  --line:#DCD6C8;
  --line-strong:#C9C1B0;
  --error:#B5402F;
  --success:#2F7D5B;
  --r-sm:6px;
  --r-btn:12px;
  --r-card:16px;
  --r-img:24px;
  --sh-1:0 1px 2px rgba(21,32,28,.06);
  --sh-2:0 12px 32px -20px rgba(21,32,28,.25);
  --sh-3:0 24px 60px -32px rgba(20,61,52,.35);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","Arial Narrow",Arial,sans-serif;
  --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:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--paper);
  background-image:linear-gradient(to right,rgba(20,61,52,.045) 1px,transparent 1px),linear-gradient(to bottom,rgba(20,61,52,.045) 1px,transparent 1px);
  background-size:88px 88px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--pine);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;transition:color .2s var(--ease),text-decoration-thickness .2s var(--ease);}
a:hover{color:var(--pine-600);text-decoration-thickness:2px;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--pine);outline-offset:3px;box-shadow:0 0 0 6px rgba(216,240,106,.55);border-radius:4px;}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--pine);color:var(--paper);padding:12px 20px;border-radius:0 0 var(--r-btn) 0;}
.skip-link:focus{left:0;color:var(--paper);}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:104px 0;}
.section--tight{padding:72px 0;}
.eyebrow{font-family:var(--font-num);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:10px;}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--clay);display:inline-block;}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:32px;}
.section-head h2{font-size:34px;line-height:1.25;font-weight:700;letter-spacing:-.015em;margin-top:10px;}
.section-head .head-note{color:var(--muted);font-size:15px;max-width:42ch;margin-top:10px;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;white-space:nowrap;}
.link-arrow svg{transition:transform .2s var(--ease);}
.link-arrow:hover svg{transform:translateX(4px);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);flex:0 0 auto;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:36px;height:36px;border-radius:8px;background:var(--pine);color:var(--paper);
  font-family:var(--font-num);font-size:13px;letter-spacing:.04em;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:inset 0 0 0 1.5px var(--lime);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.nav{display:flex;align-items:center;gap:32px;flex:1 1 auto;justify-content:flex-end;}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;display:inline-block;padding:8px 0;font-size:15px;font-weight:600;
  color:var(--ink);text-decoration:none;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--pine);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--pine);}
.nav-link.is-active::after{transform:scaleX(1);background:var(--pine);}
.header-actions{display:none;align-items:center;gap:12px;}
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--line-strong);border-radius:var(--r-btn);
  background:var(--surface);display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--pine);transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;
  border:1px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn--primary{background:var(--pine);color:var(--paper);border-color:var(--pine);}
.btn--primary:hover{background:var(--pine-600);color:var(--paper);border-color:var(--pine-600);transform:translateY(-1px);box-shadow:var(--sh-2);text-decoration:none;}
.btn--primary:active{transform:none;box-shadow:none;}
.btn--ghost{background:transparent;color:var(--pine);border-color:var(--line-strong);}
.btn--ghost:hover{background:var(--pine-050);border-color:var(--pine);color:var(--pine);text-decoration:none;}
.btn--sm{height:36px;padding:0 16px;font-size:14px;}
.nav-cta{flex:0 0 auto;}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:20px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--muted);text-decoration:none;}
.breadcrumb a:hover{color:var(--pine);text-decoration:underline;}
.breadcrumb .sep{color:var(--line-strong);}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ---------- page hero ---------- */
.page-hero{padding:36px 0 0;}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;}
.page-hero h1{font-size:50px;line-height:1.16;letter-spacing:-.015em;font-weight:700;margin:14px 0 18px;}
.page-hero .lede{font-size:17px;color:var(--muted);max-width:52ch;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;background:var(--paper-2);border:1px solid var(--line);font-size:13px;color:var(--ink);}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-3);aspect-ratio:16/11;background:var(--pine-050);}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,242,232,.55),rgba(20,61,52,.10));}
.hero-stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px;border-top:1px solid var(--line);padding-top:24px;}
.hero-stat-strip dl{display:flex;flex-direction:column;gap:4px;}
.hero-stat-strip dt{font-family:var(--font-num);font-size:32px;font-weight:700;color:var(--pine);font-variant-numeric:tabular-nums;line-height:1.1;}
.hero-stat-strip dd{margin:0;font-size:13px;color:var(--muted);}

/* ---------- anchor layout ---------- */
.plan-wrap{display:grid;grid-template-columns:220px minmax(0,1fr);gap:56px;align-items:start;}
.anchor-nav{position:sticky;top:96px;}
.anchor-nav h2{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.04em;margin-bottom:14px;text-transform:uppercase;font-family:var(--font-num);}
.anchor-nav ul{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);}
.anchor-nav a{display:block;padding:10px 0 10px 16px;font-size:14px;font-weight:600;color:var(--muted);text-decoration:none;border-left:2px solid transparent;margin-left:-1px;line-height:1.5;}
.anchor-nav a:hover{color:var(--pine);border-left-color:var(--line-strong);}
.anchor-nav a.is-current{color:var(--pine);border-left-color:var(--lime);}
.anchor-note{margin-top:22px;padding:18px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);box-shadow:var(--sh-1);}
.anchor-note p{font-size:13px;color:var(--muted);line-height:1.7;}
.anchor-note a{font-size:14px;font-weight:600;display:inline-block;margin-top:10px;}

.plan-list{display:flex;flex-direction:column;gap:64px;}
.plan-block{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center;scroll-margin-top:96px;}
.plan-block:nth-child(even) .plan-figure{order:2;}
.plan-figure{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:5/4;background:var(--pine-050);}
.plan-figure img{width:100%;height:100%;object-fit:cover;}
.plan-body .plan-index{font-family:var(--font-num);font-size:13px;letter-spacing:.1em;color:var(--clay);font-weight:700;}
.plan-body h3{font-size:26px;line-height:1.32;font-weight:700;margin:10px 0 14px;}
.plan-body p{font-size:16px;color:var(--muted);line-height:1.8;}
.plan-points{margin:20px 0 22px;display:flex;flex-direction:column;gap:10px;}
.plan-points li{position:relative;padding-left:22px;font-size:15px;line-height:1.7;color:var(--ink);}
.plan-points li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--lime);box-shadow:inset 0 0 0 1px rgba(20,61,52,.35);}

/* ---------- table ---------- */
.table-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.table-scroll{overflow-x:auto;}
table.compare{width:100%;min-width:760px;border-collapse:collapse;font-size:15px;}
table.compare thead th{background:var(--pine);color:var(--paper);text-align:left;font-weight:600;padding:16px 20px;font-size:14px;white-space:nowrap;}
table.compare tbody td{padding:16px 20px;border-top:1px solid var(--line);color:var(--ink);vertical-align:top;line-height:1.7;}
table.compare tbody tr:nth-child(even){background:var(--paper-2);}
table.compare tbody th{text-align:left;padding:16px 20px;border-top:1px solid var(--line);font-weight:700;color:var(--pine);white-space:nowrap;background:var(--surface);}
.table-foot{padding:14px 20px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);}

/* ---------- delivery list ---------- */
.deliver-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.deliver-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);box-shadow:var(--sh-1);}
.deliver-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(20,61,52,.3);}
.deliver-item h3{font-size:19px;font-weight:650;margin-bottom:10px;}
.deliver-item p{font-size:15px;color:var(--muted);line-height:1.75;}
.deliver-item .num{font-family:var(--font-num);font-size:13px;color:var(--clay);font-weight:700;letter-spacing:.08em;}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:36fr 64fr;gap:56px;align-items:start;}
.faq-aside{position:sticky;top:96px;}
.faq-aside h2{font-size:32px;line-height:1.25;font-weight:700;margin:12px 0 14px;}
.faq-aside p{color:var(--muted);font-size:15px;}
.faq-aside .link-arrow{margin-top:18px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;padding:22px 0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-q:hover{color:var(--pine);}
.faq-q svg{flex:0 0 auto;color:var(--pine);transition:transform .2s var(--ease);}
.faq-q[aria-expanded="true"] svg{transform:rotate(45deg);}
.faq-a{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--muted);max-width:62ch;}
.faq-a[hidden]{display:none;}

/* ---------- cta ---------- */
.cta-band{background:var(--pine);color:var(--paper);border-radius:var(--r-img);padding:56px;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:40px;align-items:center;box-shadow:var(--sh-3);position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(to right,rgba(246,242,232,.09) 1px,transparent 1px),linear-gradient(to bottom,rgba(246,242,232,.09) 1px,transparent 1px);background-size:72px 72px;pointer-events:none;}
.cta-band h2{font-size:32px;line-height:1.28;font-weight:700;margin-bottom:14px;position:relative;}
.cta-band p{color:rgba(246,242,232,.82);font-size:15px;line-height:1.8;max-width:46ch;position:relative;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;justify-content:flex-end;}
.cta-actions .btn--primary{background:var(--lime);color:var(--pine);border-color:var(--lime);}
.cta-actions .btn--primary:hover{background:#e5f78e;border-color:#e5f78e;color:var(--pine);}
.cta-actions .btn--ghost{color:var(--paper);border-color:rgba(246,242,232,.45);}
.cta-actions .btn--ghost:hover{background:rgba(246,242,232,.12);color:var(--paper);border-color:var(--paper);}

/* ---------- footer ---------- */
.site-footer{background:var(--pine);color:var(--paper);margin-top:104px;position:relative;overflow:hidden;}
.site-footer::before{content:"";position:absolute;inset:0;background-image:linear-gradient(to right,rgba(246,242,232,.06) 1px,transparent 1px),linear-gradient(to bottom,rgba(246,242,232,.06) 1px,transparent 1px);background-size:80px 80px;pointer-events:none;}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 2fr 4fr;gap:40px;padding-top:64px;padding-bottom:48px;position:relative;}
.site-footer a{color:rgba(246,242,232,.86);text-decoration:none;}
.site-footer a:hover{color:var(--lime);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;}
.site-footer .brand{color:var(--paper);}
.site-footer .brand:hover{color:var(--paper);}
.site-footer .brand-mark{background:var(--paper);color:var(--pine);box-shadow:inset 0 0 0 1.5px var(--pine);}
.footer-desc{font-size:14px;color:rgba(246,242,232,.72);line-height:1.8;margin-top:16px;max-width:34ch;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--paper);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:rgba(246,242,232,.86);font-size:14px;line-height:1.7;}
.footer-contact svg{flex:0 0 auto;margin-top:4px;color:var(--lime);}
.footer-bottom{border-top:1px solid rgba(246,242,232,.18);padding-top:22px;padding-bottom:28px;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;font-size:13px;color:rgba(246,242,232,.62);position:relative;}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--pine);border:0;display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease);z-index:90;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none;}
.to-top svg{color:var(--lime);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .page-hero h1{font-size:44px;}
  .plan-wrap{grid-template-columns:200px minmax(0,1fr);gap:40px;}
}
@media (max-width:960px){
  .container{padding:0 28px;}
  .header-inner{height:56px;}
  .nav{
    position:fixed;inset:56px 0 0;display:none;flex-direction:column;align-items:stretch;justify-content:flex-start;
    background:var(--paper);padding:24px 28px 32px;gap:8px;overflow-y:auto;border-top:1px solid var(--line);
  }
  .nav.is-open{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-list li{border-bottom:1px solid var(--line);}
  .nav-link{display:block;padding:16px 0;font-size:18px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--pine);}
  .nav-cta{display:none;}
  .header-actions{display:flex;}
  .section{padding:80px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .section-head h2{font-size:30px;}
  .page-hero{padding:28px 0 0;}
  .page-hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero h1{font-size:38px;}
  .hero-media{aspect-ratio:16/9;}
  .plan-wrap{grid-template-columns:1fr;gap:32px;}
  .anchor-nav{position:static;top:auto;}
  .anchor-nav h2{margin-bottom:12px;}
  .anchor-nav ul{flex-direction:row;gap:8px;border-left:0;overflow-x:auto;padding-bottom:6px;}
  .anchor-nav a{
    white-space:nowrap;border-left:0;border:1px solid var(--line);border-radius:999px;
    padding:8px 16px;margin-left:0;font-size:13px;background:var(--paper-2);
  }
  .anchor-nav a.is-current{background:var(--pine);color:var(--paper);border-color:var(--pine);}
  .anchor-note{margin-top:16px;}
  .plan-block{grid-template-columns:1fr;gap:24px;}
  .plan-block:nth-child(even) .plan-figure{order:0;}
  .plan-figure{aspect-ratio:16/10;}
  .deliver-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
  .faq-aside h2{font-size:28px;}
  .cta-band{grid-template-columns:1fr;padding:40px;gap:28px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding-top:48px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-contact{grid-column:1 / -1;}
  .site-footer{margin-top:80px;}
}
@media (max-width:720px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .page-hero h1{font-size:33px;}
  .hero-stat-strip{grid-template-columns:1fr 1fr;gap:14px;}
  .hero-stat-strip dt{font-size:26px;}
  .plan-body h3{font-size:23px;}
  .cta-band{padding:32px 24px;border-radius:var(--r-card);}
  .cta-band h2{font-size:26px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .page-hero h1{font-size:30px;}
  .section-head h2{font-size:26px;}
  .deliver-item{padding:20px;}
  .btn{height:44px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --paper:#F6F2E8;
  --paper-2:#EFE9DB;
  --surface:#FFFFFF;
  --pine:#143D34;
  --pine-600:#1D574A;
  --pine-050:#EAF1EC;
  --lime:#D8F06A;
  --clay:#C96A43;
  --ink:#15201C;
  --muted:#5B6B65;
  --line:#DCD6C8;
  --line-strong:#C9C1B0;
  --error:#B5402F;
  --success:#2F7D5B;
  --r-sm:6px;
  --r-btn:12px;
  --r-card:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(21,32,28,.06);
  --sh-2:0 12px 32px -20px rgba(21,32,28,.25);
  --sh-3:0 24px 60px -32px rgba(20,61,52,.35);
  --container:1240px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --num:"DIN Alternate","Bahnschrift","Arial Narrow",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--pine);text-decoration:none}
a:hover{color:var(--pine-600)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.015em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--pine);outline-offset:3px;box-shadow:0 0 0 4px rgba(216,240,106,.55);border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--pine);color:var(--paper);padding:10px 18px;border-radius:0 0 var(--r-btn) 0;z-index:200}
.skip-link:focus{left:0;color:var(--paper)}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.header-inner{
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}
.brand-mark{
  position:relative;width:36px;height:36px;border-radius:10px;background:var(--pine);
  color:var(--paper);display:grid;place-items:center;
  font-family:var(--num);font-size:11px;font-weight:700;letter-spacing:.05em;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:3px;border:1.5px solid var(--lime);border-radius:7px;opacity:.85;
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-list{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:600;color:var(--ink);text-decoration:none;
  transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);border-radius:2px;
}
.nav-link:hover{color:var(--pine-600)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--pine)}
.nav-link.is-active::after{background:var(--pine);transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:var(--r-btn);
  background:var(--surface);cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--pine);border-radius:2px;margin:3px auto;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  text-decoration:none;transition:background .2s var(--ease),transform .18s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn--primary{background:var(--pine);color:var(--paper);border-color:var(--pine)}
.btn--primary:hover{background:var(--pine-600);border-color:var(--pine-600);color:var(--paper);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0);box-shadow:none}
.btn--ghost{background:transparent;color:var(--pine);border-color:var(--line-strong)}
.btn--ghost:hover{background:var(--pine-050);border-color:var(--pine);color:var(--pine)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--lime{background:var(--lime);color:var(--pine);border-color:var(--lime)}
.btn--lime:hover{background:#E4F88C;border-color:#E4F88C;color:var(--pine);transform:translateY(-1px);box-shadow:var(--sh-2)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--pine);
  text-decoration:none;border-bottom:1px solid rgba(20,61,52,.35);padding-bottom:2px;
}
.link-arrow svg{transition:transform .2s var(--ease)}
.link-arrow:hover{border-bottom-color:var(--pine);border-bottom-width:2px}
.link-arrow:hover svg{transform:translateX(4px)}

/* ===== Breadcrumb ===== */
.breadcrumb{padding:22px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--pine);text-decoration:underline;text-underline-offset:4px}
.breadcrumb li[aria-current]{color:var(--ink);font-weight:600}
.breadcrumb .sep{color:var(--line-strong)}

/* ===== Page hero ===== */
.page-head{padding:34px 0 8px;position:relative}
.page-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:linear-gradient(to right,var(--pine) 1px,transparent 1px),linear-gradient(to bottom,var(--pine) 1px,transparent 1px);
  background-size:72px 72px;mask-image:linear-gradient(to bottom,black,transparent 78%);
  -webkit-mask-image:linear-gradient(to bottom,black,transparent 78%);
}
.page-head-inner{position:relative;max-width:880px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--num);
  font-size:12px;letter-spacing:.08em;color:var(--clay);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px}
.page-head h1{font-size:clamp(32px,4.2vw,50px);line-height:1.15;letter-spacing:-.02em;margin-bottom:16px}
.page-head h1 em{font-style:normal;color:var(--pine-600)}
.page-lead{font-size:16px;color:var(--muted);max-width:640px}

/* ===== Filter tabs ===== */
.filter-bar{padding:28px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;
  border:1px solid var(--line-strong);border-radius:var(--r-pill);background:var(--paper-2);
  font-size:13.5px;font-weight:600;color:var(--ink);text-decoration:none;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.chip:hover{background:var(--pine-050);border-color:var(--pine);color:var(--pine)}
.chip.is-active{background:var(--pine);border-color:var(--pine);color:var(--paper)}
.chip .count{font-family:var(--num);font-size:12px;opacity:.75}

/* ===== Sections ===== */
.section{padding:96px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.section-index{font-family:var(--num);font-size:12px;letter-spacing:.1em;color:var(--clay);margin-bottom:10px;display:block}
.section-head h2{font-size:clamp(26px,3vw,34px);line-height:1.25}
.section-head p{font-size:14.5px;color:var(--muted);margin-top:10px;max-width:560px}

/* ===== Feature case ===== */
.case-feature{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.case-feature-media{position:relative;min-height:340px;background:var(--paper-2)}
.case-feature-media img{width:100%;height:100%;object-fit:cover;object-position:center;aspect-ratio:16/10}
.case-feature-media .badge-flag{
  position:absolute;left:20px;top:20px;display:inline-flex;align-items:center;gap:8px;
  background:var(--paper);border:1px solid var(--line-strong);border-radius:var(--r-pill);
  padding:6px 14px;font-size:12.5px;font-weight:600;color:var(--pine);
}
.case-feature-media .badge-flag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
.case-feature-body{padding:38px 36px;display:flex;flex-direction:column;justify-content:center;gap:18px}
.case-meta{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;padding:4px 10px;border:1px solid var(--line-strong);
  border-radius:var(--r-pill);font-size:12px;color:var(--muted);background:var(--paper);
}
.case-feature-body h3{font-size:24px;line-height:1.35}
.case-feature-body p{font-size:15.5px;color:var(--muted);line-height:1.8}
.mini-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);padding-top:18px}
.mini-metrics div{padding-right:14px;border-right:1px solid var(--line)}
.mini-metrics div:last-child{border-right:0;padding-right:0}
.mini-metrics strong{display:block;font-family:var(--num);font-size:24px;font-weight:700;color:var(--pine);line-height:1.2;font-variant-numeric:tabular-nums}
.mini-metrics span{font-size:12.5px;color:var(--muted)}

/* ===== Case rows ===== */
.case-group{margin-top:22px;border-top:1px solid var(--line)}
.case-group-title{
  display:flex;align-items:center;gap:12px;padding:18px 4px 12px;
  font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.02em;
}
.case-group-title::after{content:"";flex:1;height:1px;background:var(--line)}
.case-row{
  display:grid;grid-template-columns:56px 132px minmax(0,1fr) auto 28px;
  align-items:center;gap:20px;
  padding:22px 16px;border-top:1px solid var(--line);
  text-decoration:none;color:inherit;border-radius:var(--r-sm);
  transition:background .18s var(--ease),transform .18s var(--ease);
}
.case-row:first-of-type{border-top:0}
.case-row:hover{background:var(--pine-050)}
.case-row:hover .case-row-title{color:var(--pine)}
.case-row:hover .case-arrow{transform:translateX(4px);color:var(--pine)}
.case-num{font-family:var(--num);font-size:20px;font-weight:700;color:var(--line-strong);font-variant-numeric:tabular-nums}
.case-row:hover .case-num{color:var(--clay)}
.case-type{font-size:13px;font-weight:600;color:var(--muted)}
.case-row-title{font-size:18px;font-weight:650;line-height:1.5;color:var(--ink);transition:color .18s var(--ease)}
.case-row-sub{font-size:13px;color:var(--muted);margin-top:4px}
.case-metric{font-family:var(--num);font-size:15px;font-weight:700;color:var(--pine);font-variant-numeric:tabular-nums;white-space:nowrap}
.case-metric small{display:block;font-family:inherit;font-size:11.5px;font-weight:500;color:var(--muted);letter-spacing:0}
.case-arrow{color:var(--line-strong);transition:transform .2s var(--ease),color .2s var(--ease);display:grid;place-items:center}

/* ===== Metrics band ===== */
.band{background:var(--pine);color:var(--paper);margin-top:96px;padding:64px 0}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.band-item{padding:0 28px;border-left:1px solid rgba(246,242,232,.18)}
.band-item:first-child{border-left:0;padding-left:0}
.band-item strong{
  display:block;font-family:var(--num);font-size:clamp(38px,4.4vw,56px);font-weight:700;
  line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums;
  position:relative;padding-bottom:12px;margin-bottom:12px;
}
.band-item strong::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:3px;background:var(--lime);border-radius:2px}
.band-item span{font-size:13px;opacity:.85}
.band-note{margin-top:32px;font-size:12px;opacity:.62}

/* ===== Process / 复盘 ===== */
.recap{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
.recap-item{padding:28px 26px 28px 0;border-right:1px solid var(--line)}
.recap-item:last-child{border-right:0;padding-right:0}
.recap-item .step-no{font-family:var(--num);font-size:12px;letter-spacing:.1em;color:var(--clay);display:block;margin-bottom:12px}
.recap-item h3{font-size:19px;margin-bottom:10px}
.recap-item p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ===== CTA ===== */
.cta{margin-top:96px}
.cta-inner{
  background:var(--pine);color:var(--paper);border-radius:var(--r-lg);
  padding:48px 46px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-inner::before{
  content:"";position:absolute;inset:0;opacity:.07;pointer-events:none;
  background-image:linear-gradient(to right,var(--paper) 1px,transparent 1px),linear-gradient(to bottom,var(--paper) 1px,transparent 1px);
  background-size:64px 64px;
}
.cta-copy{position:relative;max-width:620px}
.cta-copy h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:12px}
.cta-copy p{font-size:14.5px;opacity:.85;line-height:1.8}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px}

/* ===== Footer ===== */
.site-footer{background:var(--pine);color:var(--paper);margin-top:96px;padding:64px 0 0;position:relative}
.site-footer::before{
  content:"";position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:linear-gradient(to right,var(--paper) 1px,transparent 1px),linear-gradient(to bottom,var(--paper) 1px,transparent 1px);
  background-size:80px 80px;
}
.footer-grid{position:relative;display:grid;grid-template-columns:4fr 2fr 2fr 4fr;gap:36px;padding-bottom:48px}
.footer-brand .brand-name{color:var(--paper)}
.footer-brand .brand-mark{background:var(--paper);color:var(--pine)}
.footer-brand .brand-mark::after{border-color:var(--pine)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(246,242,232,.75);max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--paper)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(246,242,232,.78);text-decoration:none;transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px}
.footer-contact li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:rgba(246,242,232,.78);line-height:1.7}
.footer-contact svg{flex:0 0 auto;margin-top:5px;color:var(--lime)}
.footer-bottom{
  position:relative;border-top:1px solid rgba(246,242,232,.18);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:rgba(246,242,232,.62);
}
.footer-bottom a{color:rgba(246,242,232,.62);text-decoration:none}
.footer-bottom a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.footer-bottom .sep{margin:0 8px;opacity:.5}

/* ===== Back to top ===== */
.to-top{
  position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;
  background:var(--pine);color:var(--lime);border:0;display:grid;place-items:center;cursor:pointer;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;z-index:90;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--pine-600)}

/* ===== Responsive ===== */
@media (max-width:1199px){
  .container{padding:0 28px}
  .nav-list{gap:20px}
  .nav{gap:20px}
}
@media (max-width:960px){
  .container{padding:0 20px}
  .header-inner{height:56px}
  .nav-toggle{display:grid}
  .header-actions .btn--sm{display:none}
  .nav{
    position:fixed;top:56px;left:0;right:0;bottom:0;margin:0;
    background:var(--paper);border-top:1px solid var(--line);
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:24px 20px 32px;gap:0;overflow-y:auto;
    transform:translateX(100%);visibility:hidden;transition:transform .24s var(--ease),visibility .24s;
  }
  .nav.is-open{transform:none;visibility:visible}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-list li{border-bottom:1px solid var(--line)}
  .nav-link{display:block;padding:16px 2px;font-size:18px}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--pine)}
  .nav-cta{margin-top:24px;width:100%;height:48px}
  body.nav-open{overflow:hidden}
  .section{padding:72px 0 0}
  .case-feature{grid-template-columns:1fr}
  .case-feature-media{min-height:240px}
  .case-feature-media img{aspect-ratio:16/10;height:auto}
  .case-feature-body{padding:28px 24px}
  .recap{grid-template-columns:1fr}
  .recap-item{border-right:0;border-bottom:1px solid var(--line);padding:24px 0}
  .recap-item:last-child{border-bottom:0}
  .band{margin-top:72px;padding:48px 0}
  .band-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .band-item:nth-child(odd){border-left:0;padding-left:0}
  .band-item{padding:0 20px}
  .cta{margin-top:72px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:36px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
  .footer-contact{grid-column:1/-1}
  .site-footer{margin-top:72px;padding-top:48px}
}
@media (max-width:720px){
  .breadcrumb{padding-top:18px}
  .page-head{padding-top:26px}
  .page-head h1{font-size:clamp(30px,7.6vw,38px)}
  .filter-bar{padding-top:22px;gap:8px}
  .chip{height:36px;padding:0 14px;font-size:13px}
  .case-row{grid-template-columns:40px minmax(0,1fr) 24px;grid-template-areas:"num title arrow" ". type ." ". metric .";gap:6px 14px;padding:18px 10px}
  .case-num{grid-area:num;font-size:17px;align-self:start;margin-top:2px}
  .case-type{grid-area:type;font-size:12.5px}
  .case-row-title{grid-area:title;font-size:16.5px}
  .case-row-sub{font-size:12.5px}
  .case-metric{grid-area:metric;font-size:14px;margin-top:4px}
  .case-arrow{grid-area:arrow;align-self:start;margin-top:2px}
  .mini-metrics{grid-template-columns:1fr;gap:14px}
  .mini-metrics div{border-right:0;border-bottom:1px solid var(--line);padding-bottom:12px;padding-right:0}
  .mini-metrics div:last-child{border-bottom:0;padding-bottom:0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-col ul{gap:8px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .brand-name{font-size:15.5px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .band-item strong{font-size:38px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: category4 */
:root{
  --paper:#F6F2E8;
  --paper-2:#EFE9DB;
  --surface:#FFFFFF;
  --pine:#143D34;
  --pine-600:#1D574A;
  --pine-050:#EAF1EC;
  --lime:#D8F06A;
  --clay:#C96A43;
  --ink:#15201C;
  --muted:#5B6B65;
  --line:#DCD6C8;
  --line-strong:#C9C1B0;
  --danger:#B5402F;
  --success:#2F7D5B;
  --r-sm:6px;
  --r-btn:12px;
  --r-card:16px;
  --r-lg:24px;
  --shadow-1:0 1px 2px rgba(21,32,28,.06);
  --shadow-2:0 12px 32px -20px rgba(21,32,28,.25);
  --shadow-3:0 24px 60px -32px rgba(20,61,52,.35);
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --num:"DIN Alternate","Bahnschrift","Arial Narrow",sans-serif;
  --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:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--pine);text-decoration:none;}
a:hover{color:var(--pine-600);}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--pine);outline-offset:3px;box-shadow:0 0 0 4px rgba(216,240,106,.55);}
::selection{background:var(--lime);color:var(--pine);}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}

.skip-link{
  position:absolute;
  left:16px;
  top:-60px;
  z-index:200;
  background:var(--pine);
  color:var(--paper);
  padding:10px 18px;
  border-radius:var(--r-btn);
  transition:top .2s var(--ease);
}
.skip-link:focus{top:12px;color:var(--paper);}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--pine);
  color:var(--paper);
  font-family:var(--num);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  border-radius:var(--r-sm);
  box-shadow:inset 0 0 0 1.5px var(--lime);
}
.brand-name{
  font-size:17px;
  font-weight:700;
  color:var(--pine);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.nav{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:26px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--pine);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--pine);}
.nav-link.is-active::after{background:var(--pine);transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}
.header-actions .btn--sm{display:none;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  flex-direction:column;
  gap:5px;
  background:transparent;
  border:1px solid var(--line-strong);
  border-radius:var(--r-btn);
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--pine);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn--primary{
  background:var(--pine);
  color:var(--paper);
  box-shadow:var(--shadow-1);
}
.btn--primary:hover{
  background:var(--pine-600);
  color:var(--paper);
  transform:translateY(-1px);
  box-shadow:var(--shadow-2);
}
.btn--primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn--ghost{
  background:transparent;
  color:var(--pine);
  border-color:var(--line-strong);
}
.btn--ghost:hover{background:var(--pine-050);border-color:var(--pine);color:var(--pine);}
.btn--sm{height:36px;padding:0 16px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--pine);
  border-bottom:1px solid var(--pine);
  padding-bottom:2px;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.link-arrow svg{transition:transform .2s var(--ease);}
.link-arrow:hover{color:var(--pine-600);border-bottom-width:2px;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  padding:22px 0 0;
  font-size:13px;
  color:var(--muted);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--line-strong);}
.breadcrumb a{color:var(--muted);border-bottom:1px solid transparent;}
.breadcrumb a:hover{color:var(--pine);border-bottom-color:var(--pine);}
.breadcrumb [aria-current="page"]{color:var(--ink);}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  padding:44px 0 56px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(to right,rgba(20,61,52,.06) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(20,61,52,.06) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.page-hero-inner{position:relative;display:grid;grid-template-columns:1.5fr .9fr;gap:56px;align-items:end;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--num);
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--pine-600);
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:26px;height:2px;
  background:var(--lime);
  display:inline-block;
}
.page-hero h1{
  font-size:50px;
  line-height:1.15;
  letter-spacing:-.015em;
  font-weight:700;
  color:var(--pine);
  max-width:16em;
}
.page-hero h1 .h1-accent{
  display:block;
  font-size:26px;
  line-height:1.4;
  font-weight:600;
  color:var(--muted);
  letter-spacing:0;
  margin-top:14px;
}
.page-hero p.lede{
  margin-top:20px;
  max-width:34em;
  font-size:17px;
  line-height:1.8;
  color:var(--muted);
}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:14px 24px;
  margin-top:26px;
  font-size:13px;
  color:var(--muted);
}
.hero-facts span{display:inline-flex;align-items:center;gap:8px;}
.hero-facts span::before{
  content:"";
  width:6px;height:6px;
  background:var(--lime);
  border:1px solid var(--pine);
  border-radius:2px;
  flex:0 0 auto;
}
.hero-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow-1);
}
.hero-panel h2{
  font-size:15px;
  font-weight:700;
  color:var(--pine);
  margin-bottom:14px;
  letter-spacing:.01em;
}
.hero-panel ul{display:grid;gap:12px;}
.hero-panel li{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:12px;
  align-items:start;
  font-size:14px;
  line-height:1.65;
  color:var(--muted);
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.hero-panel li:last-child{border-bottom:0;padding-bottom:0;}
.hero-panel .idx{
  font-family:var(--num);
  font-size:13px;
  color:var(--clay);
  font-weight:700;
  letter-spacing:.04em;
}
.hero-panel strong{color:var(--ink);font-weight:600;}

/* ---------- section ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{
  display:grid;
  grid-template-columns:1fr auto;
  gap:24px;
  align-items:end;
  margin-bottom:36px;
}
.section-head .seq{
  display:block;
  font-family:var(--num);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--clay);
  margin-bottom:10px;
}
.section-head h2{
  font-size:34px;
  line-height:1.25;
  font-weight:700;
  color:var(--pine);
  letter-spacing:-.01em;
}
.section-head p{
  margin-top:12px;
  max-width:44em;
  font-size:15px;
  color:var(--muted);
}

/* ---------- post cards ---------- */
.post-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.post-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.post-card:hover{
  transform:translateY(-2px);
  border-color:rgba(20,61,52,.3);
  box-shadow:var(--shadow-2);
}
.post-cover{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--paper-2);
}
.post-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s var(--ease);
}
.post-card:hover .post-cover img{transform:scale(1.03);}
.post-body{
  padding:22px 24px 24px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.tag-pill{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  font-size:12px;
  font-weight:600;
  color:var(--pine);
  background:var(--pine-050);
  border:1px solid rgba(20,61,52,.16);
  border-radius:999px;
  white-space:nowrap;
}
.post-card h3{
  font-size:18px;
  line-height:1.5;
  font-weight:650;
  color:var(--ink);
}
.post-card h3 a{color:inherit;}
.post-card h3 a:hover{color:var(--pine);}
.post-card p{
  font-size:14px;
  line-height:1.65;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}
.post-meta time{font-family:var(--num);letter-spacing:.02em;}
.post-meta .read{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--pine);
  font-weight:600;
}
.post-meta .read:hover{text-decoration:underline;text-underline-offset:4px;}

/* ---------- tag cloud ---------- */
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.tag-cloud a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 18px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:999px;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.tag-cloud a:hover{
  background:var(--pine);
  color:var(--paper);
  border-color:var(--pine);
}
.tag-cloud a .count{
  font-family:var(--num);
  font-size:12px;
  color:var(--clay);
  transition:color .18s var(--ease);
}
.tag-cloud a:hover .count{color:var(--lime);}

/* ---------- archive list ---------- */
.archive{
  border-top:1px solid var(--line-strong);
}
.archive-row{
  display:grid;
  grid-template-columns:80px 1fr auto auto;
  gap:24px;
  align-items:center;
  padding:22px 16px;
  border-bottom:1px solid var(--line);
  transition:background-color .18s var(--ease);
}
.archive-row:hover{background:var(--pine-050);}
.archive-row .num{
  font-family:var(--num);
  font-size:14px;
  color:var(--clay);
  letter-spacing:.06em;
  font-weight:700;
}
.archive-row .title{
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
}
.archive-row:hover .title{color:var(--pine);}
.archive-row .cat{
  font-size:13px;
  color:var(--muted);
  white-space:nowrap;
}
.archive-row .date{
  font-family:var(--num);
  font-size:13px;
  color:var(--muted);
  letter-spacing:.02em;
  white-space:nowrap;
}
.archive-row .go{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;height:32px;
  color:var(--pine);
  transition:transform .2s var(--ease);
}
.archive-row:hover .go{transform:translateX(3px);}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--pine);
  color:var(--paper);
  border-radius:var(--r-lg);
  padding:48px;
  display:grid;
  grid-template-columns:1.2fr .9fr;
  gap:40px;
  align-items:center;
  box-shadow:var(--shadow-3);
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(to right,rgba(246,242,232,.07) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(246,242,232,.07) 1px,transparent 1px);
  background-size:72px 72px;
  pointer-events:none;
}
.cta-band > *{position:relative;}
.cta-band h2{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
}
.cta-band p{
  margin-top:14px;
  font-size:15px;
  line-height:1.75;
  color:rgba(246,242,232,.78);
  max-width:36em;
}
.subscribe-form{display:grid;gap:12px;}
.field-label{
  font-size:13px;
  font-weight:600;
  color:rgba(246,242,232,.85);
}
.input-row{display:flex;gap:12px;}
.input-row input{
  flex:1;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-btn);
  border:1px solid rgba(246,242,232,.3);
  background:rgba(246,242,232,.08);
  color:var(--paper);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease);
}
.input-row input::placeholder{color:rgba(246,242,232,.5);}
.input-row input:focus{
  outline:none;
  border-color:var(--lime);
  background:rgba(246,242,232,.14);
  box-shadow:0 0 0 4px rgba(216,240,106,.22);
}
.input-row .btn--primary{
  background:var(--lime);
  color:var(--pine);
  box-shadow:none;
}
.input-row .btn--primary:hover{background:#e3f68c;color:var(--pine);}
.form-note{font-size:12px;color:rgba(246,242,232,.62);}
.form-feedback{
  font-size:13px;
  color:var(--lime);
  min-height:20px;
}
.form-feedback.is-error{color:#F0B4A5;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--pine);
  color:var(--paper);
  margin-top:96px;
  padding:64px 0 0;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(to right,rgba(246,242,232,.05) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(246,242,232,.05) 1px,transparent 1px);
  background-size:80px 80px;
  pointer-events:none;
}
.footer-grid{
  position:relative;
  display:grid;
  grid-template-columns:4fr 2fr 2fr 4fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(246,242,232,.16);
}
.site-footer .brand-mark{
  background:transparent;
  color:var(--paper);
  box-shadow:inset 0 0 0 1.5px var(--lime);
}
.site-footer .brand-name{color:var(--paper);}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:rgba(246,242,232,.7);
  max-width:26em;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:var(--paper);
  margin-bottom:16px;
  letter-spacing:.01em;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(246,242,232,.72);
  transition:color .18s var(--ease);
}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  line-height:1.7;
  color:rgba(246,242,232,.72);
}
.footer-contact svg{flex:0 0 auto;margin-top:4px;color:rgba(216,240,106,.9);}
.footer-bottom{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:22px 0 28px;
  font-size:13px;
  color:rgba(246,242,232,.6);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a{color:rgba(246,242,232,.6);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- to top ---------- */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:90;
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--pine);
  color:var(--lime);
  border:0;
  border-radius:50%;
  box-shadow:var(--shadow-2);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease),background-color .18s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--pine-600);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 28px;}
  .page-hero h1{font-size:42px;}
  .page-hero-inner{grid-template-columns:1.35fr .95fr;gap:40px;}
  .nav-list{gap:20px;}
  .nav{gap:20px;}
}
@media (max-width:960px){
  .container{padding:0 20px;}
  .header-inner{min-height:56px;}
  .nav{
    position:fixed;
    inset:56px 0 0;
    z-index:120;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    padding:24px 20px 32px;
    background:var(--paper);
    border-top:1px solid var(--line);
    transform:translateX(100%);
    transition:transform .24s var(--ease);
    overflow-y:auto;
    margin-left:0;
  }
  .nav.is-open{transform:translateX(0);}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-list li{border-bottom:1px solid var(--line);}
  .nav-link{display:block;padding:16px 0;font-size:18px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--pine);}
  .nav-cta{margin-top:24px;width:100%;height:48px;}
  .header-actions .btn--sm{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .page-hero{padding:32px 0 44px;}
  .page-hero-inner{grid-template-columns:1fr;gap:32px;}
  .page-hero h1{font-size:36px;}
  .page-hero h1 .h1-accent{font-size:22px;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .section-head{grid-template-columns:1fr;align-items:start;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .archive-row{grid-template-columns:56px 1fr auto;gap:16px;row-gap:6px;}
  .archive-row .date{grid-column:2;}
  .archive-row .go{grid-column:3;grid-row:1;}
  .cta-band{grid-template-columns:1fr;padding:32px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1/-1;}
  .site-footer{margin-top:72px;}
}
@media (max-width:720px){
  body{font-size:15px;}
  .page-hero h1{font-size:32px;line-height:1.2;}
  .page-hero h1 .h1-accent{font-size:20px;}
  .page-hero p.lede{font-size:16px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:27px;}
  .post-grid{grid-template-columns:1fr;}
  .archive-row{grid-template-columns:1fr auto;padding:18px 12px;}
  .archive-row .num{grid-column:1/-1;font-size:12px;}
  .archive-row .title{grid-column:1;font-size:16px;}
  .archive-row .cat{grid-column:1;grid-row:3;}
  .archive-row .date{grid-column:2;grid-row:1;justify-self:end;}
  .archive-row .go{grid-column:2;grid-row:2/4;justify-self:end;}
  .tag-cloud a{height:36px;padding:0 14px;font-size:13px;}
  .cta-band h2{font-size:24px;}
  .input-row{flex-direction:column;}
  .input-row .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .page-hero h1{font-size:29px;}
  .btn{height:48px;}
  .btn--sm{height:38px;}
  .brand-name{font-size:15px;}
  .cta-band{padding:24px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}

/* roulang page: category5 */
:root{
  --paper:#F6F2E8;
  --paper-2:#EFE9DB;
  --surface:#FFFFFF;
  --pine:#143D34;
  --pine-600:#1D574A;
  --pine-050:#EAF1EC;
  --lime:#D8F06A;
  --clay:#C96A43;
  --ink:#15201C;
  --muted:#5B6B65;
  --line:#DCD6C8;
  --line-strong:#C9C1B0;
  --error:#B5402F;
  --success:#2F7D5B;
  --r-sm:6px;
  --r-btn:12px;
  --r-card:16px;
  --r-lg:24px;
  --sh-1:0 1px 2px rgba(21,32,28,.06);
  --sh-2:0 12px 32px -20px rgba(21,32,28,.25);
  --sh-3:0 24px 60px -32px rgba(20,61,52,.35);
  --container:1240px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","Arial Narrow",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  background-image:linear-gradient(to right,rgba(20,61,52,.045) 1px,transparent 1px);
  background-size:120px 100%;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--pine);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;transition:color .18s var(--ease),text-decoration-thickness .18s var(--ease);}
a:hover{color:var(--pine-600);text-decoration-thickness:2px;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.015em;color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--pine);outline-offset:3px;box-shadow:0 0 0 4px rgba(216,240,106,.55);border-radius:4px;}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--pine);color:var(--paper);padding:12px 20px;border-radius:0 0 var(--r-btn) 0;text-decoration:none;}
.skip-link:focus{left:0;color:var(--paper);}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:68px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  text-decoration:none;color:var(--pine);flex-shrink:0;
}
.brand:hover{color:var(--pine);text-decoration:none;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--pine);color:var(--lime);
  font-family:var(--font-num);font-size:12.5px;font-weight:700;letter-spacing:.04em;
  border-radius:8px;
  box-shadow:inset 0 0 0 1.5px var(--lime);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:0;white-space:nowrap;}
.nav{display:flex;align-items:center;gap:28px;}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;display:inline-block;
  padding:6px 0;font-size:15px;font-weight:600;
  color:var(--ink);text-decoration:none;
  transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--pine);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--pine);}
.nav-link.is-active::after{background:var(--pine);transform:scaleX(1);}
.header-actions{display:none;align-items:center;gap:12px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  font-size:15px;font-weight:600;line-height:1;
  border-radius:var(--r-btn);border:1px solid transparent;
  text-decoration:none;cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.btn--primary{background:var(--pine);color:var(--paper);box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--pine-600);color:var(--paper);transform:translateY(-1px);box-shadow:var(--sh-2);text-decoration:none;}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn--ghost{background:transparent;color:var(--pine);border-color:var(--line-strong);}
.btn--ghost:hover{background:var(--pine-050);border-color:var(--pine);color:var(--pine);text-decoration:none;}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

.nav-toggle{
  display:none;width:44px;height:44px;padding:0;
  background:transparent;border:1px solid var(--line-strong);border-radius:var(--r-btn);
  cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--pine);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  padding:22px 0 0;
  font-size:13px;color:var(--muted);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--line-strong);}
.breadcrumb a{color:var(--muted);text-decoration:none;}
.breadcrumb a:hover{color:var(--pine);text-decoration:underline;}
.breadcrumb [aria-current="page"]{color:var(--ink);font-weight:600;}

/* ---------- Contact split ---------- */
.contact-hero{padding:28px 0 0;}
.contact-split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--surface);
  box-shadow:var(--sh-3);
}
.contact-panel{
  position:relative;
  background:var(--pine);
  color:#F1EEE3;
  padding:46px 44px 44px;
  display:flex;flex-direction:column;gap:26px;
  border-right:1px solid rgba(246,242,232,.18);
}
.contact-panel::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(246,242,232,.07) 1px,transparent 1px);
  background-size:56px 100%;
}
.panel-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-num);font-size:12px;letter-spacing:.08em;
  color:var(--lime);text-transform:uppercase;
}
.panel-eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:inline-block;}
.panel-title{
  font-size:38px;line-height:1.2;color:#FBF8EE;letter-spacing:-.015em;
  max-width:15em;
}
.panel-title .accent{color:var(--lime);}
.panel-lead{
  font-size:15px;line-height:1.8;color:rgba(246,242,232,.78);
  max-width:30em;margin:0;
}
.panel-list{display:flex;flex-direction:column;gap:2px;margin-top:4px;}
.panel-item{
  display:flex;align-items:flex-start;gap:14px;
  padding:15px 0;
  border-top:1px solid rgba(246,242,232,.16);
}
.panel-item:last-child{border-bottom:1px solid rgba(246,242,232,.16);}
.panel-icon{
  flex:0 0 34px;width:34px;height:34px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(216,240,106,.12);
  border:1px solid rgba(216,240,106,.35);
  color:var(--lime);
}
.panel-item-body{min-width:0;}
.panel-label{display:block;font-size:12px;letter-spacing:.04em;color:rgba(246,242,232,.62);margin-bottom:2px;}
.panel-value{display:block;font-size:16px;font-weight:600;color:#FBF8EE;line-height:1.6;word-break:break-word;}
.panel-value.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.panel-note{
  margin-top:auto;padding-top:18px;
  font-size:13px;line-height:1.7;color:rgba(246,242,232,.62);
}

/* ---------- Form ---------- */
.contact-form-wrap{padding:44px;background:var(--surface);}
.form-head{margin-bottom:24px;}
.form-head h2{font-size:22px;line-height:1.35;margin-bottom:8px;}
.form-head p{margin:0;font-size:14px;color:var(--muted);line-height:1.7;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:7px;min-width:0;}
.field--full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--ink);}
.field label .req{color:var(--clay);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;
  font-family:inherit;font-size:15px;color:var(--ink);
  background:var(--surface);
  border:1px solid var(--line-strong);
  border-radius:var(--r-btn);
  padding:0 14px;height:48px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease);
  appearance:none;
}
.field textarea{height:auto;min-height:124px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%235B6B65' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
  padding-right:38px;
}
.field input::placeholder,.field textarea::placeholder{color:#9AA49F;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--pine);
  box-shadow:0 0 0 4px rgba(216,240,106,.5);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--error);}
.field.has-error input:focus,.field.has-error select:focus,.field.has-error textarea:focus{box-shadow:0 0 0 4px rgba(181,64,47,.18);}
.field-error{display:none;font-size:13px;line-height:1.5;color:var(--error);align-items:center;gap:6px;}
.field.has-error .field-error{display:flex;}
.check{
  grid-column:1 / -1;
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;line-height:1.65;color:var(--muted);
}
.check input{
  width:18px;height:18px;flex:0 0 18px;margin-top:2px;
  accent-color:var(--pine);cursor:pointer;
  border-radius:4px;
}
.check label{cursor:pointer;}
.check a{color:var(--pine);}
.form-actions{
  grid-column:1 / -1;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-top:4px;
}
.form-actions .hint{font-size:13px;color:var(--muted);line-height:1.6;}
.form-status{
  grid-column:1 / -1;display:none;
  border-radius:var(--r-btn);
  padding:13px 16px;font-size:14px;line-height:1.7;
}
.form-status.is-error{display:block;background:#FBEDEA;color:var(--error);border:1px solid rgba(181,64,47,.28);}
.form-status.is-success{display:block;background:var(--pine-050);color:var(--success);border:1px solid rgba(47,125,91,.28);}
.spinner{
  width:15px;height:15px;border-radius:50%;
  border:2px solid rgba(246,242,232,.4);border-top-color:var(--paper);
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- Section shell ---------- */
.section{padding:88px 0 0;}
.section-head{margin-bottom:32px;max-width:720px;}
.section-index{
  display:block;font-family:var(--font-num);font-size:12px;
  letter-spacing:.12em;color:var(--clay);margin-bottom:12px;
}
.section-head h2{font-size:32px;line-height:1.25;margin-bottom:12px;}
.section-head p{margin:0;font-size:15px;color:var(--muted);line-height:1.75;}

/* ---------- Flow ---------- */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);}
.flow-item{
  padding:28px 28px 28px 0;
  border-right:1px solid var(--line);
  position:relative;
}
.flow-item:last-child{border-right:none;padding-right:0;}
.flow-item:not(:first-child){padding-left:28px;}
.flow-num{
  display:inline-block;font-family:var(--font-num);font-size:13px;
  letter-spacing:.1em;color:var(--pine);
  background:var(--pine-050);border-radius:999px;
  padding:4px 12px;margin-bottom:16px;
}
.flow-item h3{font-size:19px;margin-bottom:10px;line-height:1.4;}
.flow-item p{margin:0;font-size:14.5px;line-height:1.8;color:var(--muted);}

/* ---------- Visit ---------- */
.visit-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:start;}
.visit-media{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--paper-2);
  box-shadow:var(--sh-2);
}
.visit-media img{width:100%;aspect-ratio:16/11;object-fit:cover;object-position:center 35%;}
.visit-media figcaption{
  padding:14px 18px;font-size:13px;color:var(--muted);
  background:var(--surface);border-top:1px solid var(--line);
}
.visit-cards{display:flex;flex-direction:column;gap:14px;}
.visit-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px 24px;
  transition:border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.visit-card:hover{border-color:rgba(20,61,52,.32);transform:translateY(-2px);box-shadow:var(--sh-2);}
.visit-card h3{font-size:17px;margin-bottom:8px;display:flex;align-items:center;gap:9px;}
.visit-card h3 svg{color:var(--pine);flex:0 0 auto;}
.visit-card p{margin:0;font-size:14.5px;line-height:1.8;color:var(--muted);}
.route-box{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px 22px 16px;
}
.route-box h3{font-size:16px;margin-bottom:12px;}
.route-box svg{width:100%;height:auto;display:block;}
.route-legend{display:flex;flex-wrap:wrap;gap:16px;margin-top:12px;font-size:13px;color:var(--muted);}
.route-legend span{display:inline-flex;align-items:center;gap:6px;}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:36% 64%;gap:48px;align-items:start;}
.faq-aside{position:sticky;top:96px;}
.faq-aside h2{font-size:30px;line-height:1.25;margin-bottom:14px;}
.faq-aside p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:20px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 2px;background:transparent;border:none;cursor:pointer;
  text-align:left;font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--pine-600);}
.faq-icon{
  flex:0 0 22px;width:22px;height:22px;color:var(--pine);
  transition:transform .22s var(--ease);
}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);}
.faq-a{
  overflow:hidden;
  max-height:0;
  transition:max-height .26s var(--ease);
}
.faq-a-inner{padding:0 2px 24px;font-size:15px;line-height:1.8;color:var(--muted);max-width:56em;}
.faq-a-inner p{margin:0 0 .7em;}
.faq-a-inner p:last-child{margin-bottom:0;}

/* ---------- CTA band ---------- */
.cta-band{padding:88px 0 0;}
.cta-inner{
  background:var(--pine-050);
  border:1px solid rgba(20,61,52,.18);
  border-radius:var(--r-lg);
  padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-inner h2{font-size:24px;line-height:1.35;margin-bottom:8px;}
.cta-inner p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.7;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:104px;
  background:var(--pine);
  color:#EFE9DB;
  padding-top:64px;
  background-image:linear-gradient(to right,rgba(246,242,232,.05) 1px,transparent 1px);
  background-size:80px 100%;
}
.footer-grid{
  display:grid;
  grid-template-columns:4fr 2fr 2fr 4fr;
  gap:40px;
  padding-bottom:48px;
}
.site-footer .brand{color:#FBF8EE;}
.site-footer .brand-name{color:#FBF8EE;}
.site-footer .brand-mark{background:transparent;border:1.5px solid rgba(216,240,106,.7);box-shadow:none;color:var(--lime);}
.footer-desc{
  margin:16px 0 0;font-size:14px;line-height:1.8;
  color:rgba(239,233,219,.68);max-width:24em;
}
.footer-col h4{
  font-size:14px;font-weight:700;color:#FBF8EE;
  margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  color:rgba(239,233,219,.76);font-size:14px;text-decoration:none;
  transition:color .18s var(--ease);
}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{display:flex;align-items:flex-start;gap:9px;color:rgba(239,233,219,.76);font-size:14px;line-height:1.7;}
.footer-contact svg{flex:0 0 14px;margin-top:5px;color:var(--lime);}
.footer-bottom{
  border-top:1px solid rgba(239,233,219,.16);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(239,233,219,.58);
}
.footer-bottom-links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom-links a{color:rgba(239,233,219,.68);text-decoration:none;}
.footer-bottom-links a:hover{color:var(--lime);text-decoration:underline;}

/* ---------- To top ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:90;
  width:44px;height:44px;border-radius:50%;
  background:var(--pine);color:var(--lime);
  border:1px solid rgba(216,240,106,.5);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);
  box-shadow:var(--sh-2);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s,background-color .2s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--pine-600);}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 28px;}
  .nav-list{gap:20px;}
  .nav{gap:22px;}
  .contact-panel{padding:40px 34px;}
  .contact-form-wrap{padding:38px 34px;}
  .panel-title{font-size:34px;}
  .footer-grid{gap:32px;}
}

@media (max-width:1024px){
  .contact-split{grid-template-columns:1fr;}
  .contact-panel{border-right:none;border-bottom:1px solid rgba(246,242,232,.18);}
  .visit-grid{grid-template-columns:1fr;gap:28px;}
  .faq-grid{grid-template-columns:1fr;gap:26px;}
  .faq-aside{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-contact{grid-column:1 / -1;}
}

@media (max-width:960px){
  .container{padding:0 24px;}
  .header-inner{min-height:56px;}
  .header-actions{display:flex;}
  .header-actions .btn--sm{display:none;}
  .nav-toggle{display:flex;}
  .nav{
    position:fixed;inset:56px 0 0 0;
    display:flex;flex-direction:column;align-items:stretch;
    gap:0;
    background:var(--paper);
    padding:24px 24px 32px;
    transform:translateX(100%);
    transition:transform .26s var(--ease);
    overflow-y:auto;
    z-index:99;
    border-top:1px solid var(--line);
  }
  .nav.is-open{transform:translateX(0);}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-list li{border-bottom:1px solid var(--line);}
  .nav-link{display:block;padding:16px 0;font-size:18px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--pine);}
  .nav-cta{margin-top:24px;height:48px;font-size:16px;}
  .section{padding-top:64px;}
  .section-head h2{font-size:26px;}
  .flow{grid-template-columns:1fr;}
  .flow-item{border-right:none;border-bottom:1px solid var(--line);padding:24px 0 !important;}
  .flow-item:last-child{border-bottom:none;}
  .cta-band{padding-top:64px;}
  .cta-inner{padding:28px;flex-direction:column;align-items:flex-start;}
  .site-footer{margin-top:64px;}
}

@media (max-width:720px){
  .container{padding:0 20px;}
  .panel-title{font-size:29px;}
  .contact-panel{padding:32px 24px;}
  .contact-form-wrap{padding:30px 24px;}
  .form-grid{grid-template-columns:1fr;gap:16px;}
  .form-head h2{font-size:20px;}
  .section-head h2{font-size:25px;}
  .faq-aside h2{font-size:25px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .footer-col h4{margin-bottom:12px;cursor:default;}
  .form-actions{flex-direction:column;align-items:stretch;}
  .form-actions .btn{width:100%;height:48px;}
  .breadcrumb{font-size:12.5px;}
  .cta-inner h2{font-size:21px;}
}

@media (max-width:480px){
  .container{padding:0 16px;}
  .brand-name{font-size:15.5px;}
  .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:11px;}
  .panel-title{font-size:26px;}
  .contact-panel,.contact-form-wrap{padding:26px 18px;}
  .visit-card{padding:18px 18px;}
  .visit-media figcaption{font-size:12.5px;}
  .faq-q{font-size:16px;padding:18px 0;}
  .cta-inner{padding:22px 18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .to-top{right:16px;bottom:16px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}