/* roulang page: index */
:root{
  --primary:#166A5E;
  --primary-dark:#115047;
  --primary-deep:#0B3B34;
  --accent:#C66A3D;
  --accent-dark:#A64926;
  --bg:#F6F4EF;
  --carbon:#FFFFFF;
  --text:#1F2B27;
  --muted:#68776F;
  --line:rgba(28,58,50,.14);
  --primary-soft:#E5F0EC;
  --success:#3E7C4F;
  --warning:#B4822F;
  --processing:#7B8591;
  --radius-card:12px;
  --radius-btn:6px;
  --radius-input:6px;
  --radius-tag:999px;
  --shadow-card:0 8px 24px rgba(27,58,49,.07);
  --shadow-pop:0 18px 40px rgba(27,58,49,.12);
  --font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","system-ui",-apple-system,"Segoe UI",sans-serif;
  --container:1200px;
  --space-70:70px;
  --space-48:48px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-family);font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:min(var(--container),calc(100% - 48px));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:14px;font-weight:600;letter-spacing:.2em;text-transform:uppercase}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--accent);display:inline-block}
.section-head{max-width:820px;margin:0 auto 48px;text-align:center}
.section-head h2{font-size:clamp(24px,3vw,38px);line-height:1.35;color:var(--primary-deep);margin:10px 0 12px;font-weight:700}
.section-desc{color:var(--muted);font-size:16px;line-height:1.8}
.highline{background:rgba(22,106,94,.06);color:var(--primary-deep);margin-top:10px}

/* ========== Header ========== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.header-inner{min-height:68px;display:flex;align-items:center;gap:18px}
.brand{display:inline-flex;align-items:center;gap:10px;margin-right:12px;flex-shrink:0}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--primary);color:#fff;border-radius:10px;box-shadow:0 6px 14px rgba(22,106,94,.28)}
.brand-mark svg{width:19px;height:19px}
.brand-name{font-size:20px;font-weight:800;color:var(--primary-deep);letter-spacing:1px}
.brand-badge{font-size:11px;padding:2px 7px;border-radius:var(--radius-tag);color:var(--accent-dark);border:1px solid rgba(198,106,61,.35);line-height:1.4;background:#fff9f4}
.site-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{display:block;position:relative;padding:9px 12px;font-size:15px;font-weight:500;color:var(--text);border-radius:var(--radius-btn);transition:color .25s,background .25s}
.nav-link:after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--primary);transform:scaleX(0);transition:transform .28s}
.nav-link:hover:after{transform:scaleX(1)}
.nav-link.current{color:var(--primary);font-weight:600}
.nav-link.current:after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:18px;flex-shrink:0}
.search-box{display:flex;align-items:center;width:220px;border:1px solid var(--line);border-radius:var(--radius-tag);background:var(--bg);transition:border .2s,box-shadow .2s}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(22,106,94,.12);background:#fff}
.search-box svg{width:15px;height:15px;margin-left:12px;color:var(--muted);flex-shrink:0}
.search-box input{flex:1;border:0;background:transparent;padding:8px 8px 8px 6px;font-size:14px;outline:none}
.search-box .search-go{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;color:var(--primary);transition:background .2s}
.search-box .search-go:hover{background:var(--primary-soft)}
.mobile-search-btn,.mobile-search-panel{display:none}
.btn-header{display:inline-flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;font-size:14px;font-weight:600;padding:8px 16px;border-radius:var(--radius-btn);box-shadow:0 4px 12px rgba(22,106,94,.18);transition:background .2s,transform .2s,box-shadow .2s;white-space:nowrap}
.btn-header:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 8px 16px rgba(22,106,94,.2);color:#fff}
.menu-toggle{display:none;width:42px;height:42px;border-radius:10px;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.menu-toggle i{width:20px;height:2px;background:var(--primary-deep);border-radius:2px;display:block;transition:transform .3s,opacity .3s}
@media(max-width:1160px){
  .search-box{width:170px}
  .nav-link{padding:9px 8px;font-size:14px}
}
@media(max-width:992px){
  .site-nav{width:100%;max-width:none}
  .nav-list{position:absolute;left:0;top:68px;right:0;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(27,58,49,.06);padding:12px 16px;display:none;gap:2px}
  .nav-open .nav-list{display:flex}
  .nav-link{padding:14px 8px;border-radius:8px}
  .nav-link.current{background:var(--primary-soft)}
  .nav-link.current:after{display:none}
  .search-box{display:none}
  .mobile-search-btn,.mobile-search-panel{display:flex}
  .mobile-search-btn{align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--primary)}
  .mobile-search-btn:hover{background:var(--primary-soft)}
  .mobile-search-btn svg{width:17px;height:17px}
  .mobile-search-panel{width:100%;max-height:0;overflow:hidden;border-top:0 solid var(--line);background:#fff;transition:max-height .3s,border .3s;margin-top:0}
  .mobile-search-panel.open{max-height:66px;border-top:1px solid var(--line)}
  .mobile-search-panel input{border:1px solid var(--line);border-radius:var(--radius-btn);padding:10px 12px;width:100%;background:var(--bg);margin:10px 0;outline:none}
  .mobile-search-panel input:focus{border-color:var(--primary);box-shadow:0 0 0 2px rgba(22,106,94,.12)}
  .menu-toggle{display:flex}
  .header-actions{margin-left:auto}
  .btn-header{padding:8px 13px;font-size:13px}
  .header-inner{flex-wrap:wrap}
}
@media(max-width:560px){
  .container{width:min(100% - 32px,1200px)}
  .brand-name{font-size:18px}
  .btn-header{display:none}
  .header-inner{gap:8px}
  .brand{margin-right:0}
}
@media(max-width:400px){
  .brand-badge{display:none}
  .header-actions{gap:8px}
}

/* ========== Hero ========== */
.hero{position:relative;color:#fff;background:linear-gradient(100deg,rgba(11,59,52,.97),rgba(22,106,94,.88)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);background-size:52px 52px;pointer-events:none}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);gap:54px;align-items:center;padding:72px 0 86px}
.hero-title{font-size:clamp(33px,4.8vw,58px);line-height:1.28;letter-spacing:1px;font-weight:800;margin-bottom:18px;color:#fff;text-shadow:0 3px 18px rgba(0,0,0,.2)}
.hero-title span{color:#F3D4BB}
.hero-lead{font-size:18px;line-height:1.9;color:rgba(255,255,255,.9);max-width:620px;margin-bottom:24px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:600;border-radius:var(--radius-btn);transition:background .25s,opacity .25s,transform .25s,box-shadow .25s,border-color .25s;line-height:1.4;white-space:nowrap}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--accent);border:1px solid var(--accent);color:#fff;padding:12px 24px;box-shadow:0 8px 20px rgba(198,106,61,.35)}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(166,73,38,.28)}
.btn-outline-light{border:1px solid rgba(255,255,255,.75);color:#fff;padding:11px 21px;background:rgba(255,255,255,.08)}
.btn-outline-light:hover{background:rgba(255,255,255,.16);border-color:#fff}
.hero-meta{display:flex;gap:20px;flex-wrap:wrap;color:rgba(255,255,255,.72);font-size:13px}
.hero-meta i{font-style:normal;display:inline-flex;align-items:center;gap:6px}
.hero-meta svg{width:14px;height:14px;color:#8FC0B4}
.hero-visual{position:relative;border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 28px 70px rgba(0,0,0,.3)}
.hero-visual img{width:100%;height:auto;object-fit:cover;aspect-ratio:16/11;filter:saturate(.95)}
.visual-caption{position:absolute;left:0;bottom:0;right:0;padding:38px 20px 16px;background:linear-gradient(transparent,rgba(6,35,30,.9));color:#fff;font-size:14px;display:flex;align-items:center;gap:6px}
.visual-caption svg{width:15px;height:15px;color:#F3D4BB}
@media(max-width:992px){
  .hero-grid{grid-template-columns:1fr;padding:52px 0 62px}
  .hero-visual{max-width:570px}
  .hero-title{max-width:700px}
}
@media(max-width:560px){
  .hero-grid{display:block;padding:0 0 46px}
  .hero{background:linear-gradient(180deg,rgba(11,59,52,.62),rgba(11,59,52,.97)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
  .hero-title{font-size:32px;margin-top:6px}
  .hero-lead{font-size:16px}
  .hero-meta{flex-direction:column;gap:10px}
  .hero-visual{margin-top:10px}
}

/* ========== Common Blocks =========== */
.section{display:block;padding-block:var(--space-70)}
.section-alt{background:var(--bg)}
.section-white{background:#fff}
.section-tint{background:var(--primary-soft)}
.section-foot{margin-top:48px;text-align:center;color:var(--muted);font-size:15px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.icon-tile{width:48px;height:48px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;color:#fff;background:var(--primary);flex-shrink:0}
.icon-tile svg{width:23px;height:23px}
.text-link{display:inline-flex;align-items:center;gap:5px;color:var(--primary);font-weight:600;font-size:15px}
.text-link svg{width:15px;height:15px;transition:transform .28s}
.text-link:hover svg{transform:translateX(4px)}
.text-link:hover{color:var(--primary-dark);text-decoration:underline}

/* ============ Overview ============ */
.overview-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.overview-copy h2{font-size:clamp(24px,3vw,38px);color:var(--primary-deep);line-height:1.35;margin:12px 0 14px}
.overview-copy p{color:var(--muted);margin-top:14px;font-size:16px}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;box-shadow:var(--shadow-card);transition:transform .25s,box-shadow .25s}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-pop)}
.stat-num{font-size:32px;font-weight:800;color:var(--primary);line-height:1.25}
.stat-label{font-size:14px;color:var(--muted);margin-top:4px}
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:52px}
.feature-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 26px;display:block;transition:transform .25s,box-shadow .25s,border-color .25s;overflow:hidden}
.feature-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);opacity:0;transition:opacity .25s}
.feature-card:hover{transform:translateY(-3px);border-color:rgba(22,106,94,.45);box-shadow:var(--shadow-pop)}
.feature-card:hover:before{opacity:1}
.feature-card h3{font-size:18px;color:var(--primary-deep);margin:18px 0 8px;font-weight:700}
.feature-card p{color:var(--muted);font-size:14px;line-height:1.8}
.feature-card .feature-foot{display:flex;align-items:center;justify-content:space-between;margin-top:22px}
.feature-card p + .feature-foot{margin-top:18px}
.feature-card.feature-wide{grid-column:1/-1;display:grid;grid-template-columns:minmax(380px,.72fr) minmax(0,.28fr);gap:20px;align-items:center}
.feature-card.feature-wide .feature-body{padding-right:20px}
.feature-card.feature-wide .feature-link{text-align:right}
@media(max-width:860px){
  .overview-layout{grid-template-columns:1fr;gap:32px}
  .feature-grid{grid-template-columns:1fr}
  .feature-card.feature-wide{grid-template-columns:1fr;gap:8px}
  .feature-card.feature-wide .feature-link{text-align:left}
}

/* ========== Preview Carousel =========== */
.preview-block{background:linear-gradient(180deg,#fff 0%,#F6F4EF 100%)}
.slider-shell{max-width:980px;margin:0 auto;border-radius:18px;overflow:hidden;background:#fff;box-shadow:var(--shadow-pop);border:1px solid var(--line)}
.browser-bar{display:flex;align-items:center;gap:8px;padding:14px 18px;background:#F0EDE6;border-bottom:1px solid var(--line)}
.browser-bar i{width:11px;height:11px;border-radius:50%;background:#7BA79B;display:inline-block;margin-right:2px}
.browser-bar i:first-child{background:#C66A3D}
.browser-bar i:nth-child(2){background:#BABFAD}
.browser-bar .browser-url{margin-left:12px;background:#fff;color:var(--muted);font-size:12px;border-radius:999px;padding:5px 16px;min-width:140px}
.shot-viewport{overflow:hidden}
.shot-track{display:flex;align-items:stretch;scroll-behavior:smooth;transition:transform .4s}
.shot-slide{flex:0 0 100%;padding:22px}
@media(min-width:769px){
  .shot-slide{flex:0 0 62%}
  .shot-track{padding-right:0}
}
.shot-slide figure{position:relative;overflow:hidden;border-radius:12px;background:var(--primary-deep)}
.shot-slide img{width:100%;aspect-ratio:16/9;object-fit:cover}
.shot-slide figcaption{position:absolute;left:14px;bottom:14px;background:rgba(11,59,52,.84);color:#fff;padding:8px 14px;border-radius:999px;font-size:13px;backdrop-filter:blur(4px)}
.shot-slide figcaption span{color:#F3D4BB;margin-right:6px}
.shot-pager{display:flex;align-items:center;justify-content:center;gap:14px;padding:16px 18px 22px}
.shot-arrow{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);color:var(--primary);background:#fff;transition:background .2s,color .2s,border .2s}
.shot-arrow:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.shot-dots{display:flex;gap:7px;align-items:center}
.shot-dots button{width:9px;height:9px;border-radius:999px;background:#CBD6D0;display:block;padding:0}
.shot-dots button.active{background:var(--primary);width:25px}
@media(max-width:768px){
  .shot-slide{flex:0 0 100%;padding:14px}
  .shot-slide figcaption{font-size:12px}
}

/* ========== System Compat ========== */
.compat-wrapper{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.compat-item{display:flex;align-items:flex-start;gap:22px;border:1px solid var(--line);background:#fff;border-radius:16px;padding:24px;box-shadow:var(--shadow-card)}
.compat-icon{width:46px;height:46px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.compat-icon svg{width:22px;height:22px}
.compat-item dl{flex:1;margin:0}
.compat-item dt{font-size:17px;font-weight:700;color:var(--primary-deep);margin-bottom:4px}
.compat-item dd{font-size:14px;color:var(--muted)}
.badge{display:inline-flex;align-items:center;gap:5px;padding:2px 11px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.8;margin-top:8px}
.badge:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}
.badge-success{color:var(--success);background:rgba(62,124,79,.12)}
.badge-warn{color:var(--warning);background:rgba(180,130,47,.12)}
.badge-proc{color:var(--processing);background:rgba(123,133,145,.12)}
@media(max-width:768px){
  .compat-wrapper{grid-template-columns:1fr}
}

/* =========== Reviews =========== */
.review-masonry{columns:3 330px;column-gap:22px}
.review-card{display:inline-block;width:100%;margin:0 0 22px;background:var(--carbon);border:1px solid var(--line);border-radius:16px;padding:24px 22px;box-shadow:var(--shadow-card);vertical-align:top;transform:translateY(0);transition:transform .25s,box-shadow .25s}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-pop)}
.review-card.is-featured{background:var(--primary-soft)}
.stars-row{display:flex;gap:3px;color:#E3A04D;margin-bottom:12px}
.stars-row svg{width:15px;height:15px;fill:currentColor}
.review-quote{color:var(--text);font-size:14.5px;line-height:1.9;margin-bottom:20px}
.review-person{display:flex;align-items:center;gap:12px;border-top:1px dashed var(--line);padding-top:15px}
.review-avatar{width:42px;height:42px;border-radius:50%;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0;font-size:15px}
.review-avatar.avatar-2{background:var(--accent)}
.review-avatar.avatar-3{background:#5A6A63}
.review-person strong{display:block;font-size:15px;color:var(--primary-deep)}
.review-person span{font-size:13px;color:var(--muted)}

/* ========== Download Center =========== */
.download-panel{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-pop);display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:32px;padding:44px 40px}
.download-info h2{font-size:clamp(24px,3vw,36px);color:var(--primary-deep);line-height:1.4}
.download-info > p{color:var(--muted);margin:12px 0 26px;font-size:16px;max-width:640px}
.download-buttons{display:flex;flex-wrap:wrap;gap:14px}
.dl-btn{display:inline-flex;align-items:center;gap:12px;border:1px solid var(--line);background:#fff;border-radius:14px;padding:13px 20px;font-weight:600;font-size:15px;box-shadow:var(--shadow-card);transition:border .2s,transform .2s,box-shadow .2s;max-width:220px}
.dl-btn:hover{border-color:var(--primary);box-shadow:var(--shadow-pop);transform:translateY(-2px)}
.dl-btn .dl-icon{width:42px;height:42px;border-radius:10px;background:var(--primary-soft);color:var(--primary);align-items:center;justify-content:center;display:flex}
.dl-btn .dl-icon svg{width:22px;height:22px}
.dl-btn .dl-text small{display:block;font-size:12px;color:var(--muted);line-height:1.4;font-weight:400}
.dl-btn .dl-text strong{font-size:15px;color:var(--primary-deep)}
.dl-btn-btn.is-main{border-color:var(--accent);}
.dl-btn.is-main .dl-icon{background:var(--accent);color:#fff}
.dl-btn.is-main .dl-text strong{color:var(--accent-dark)}
.qr-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;border:2px dashed var(--line);background:var(--bg);border-radius:18px;padding:24px 18px;text-align:center}
.qr-box{width:150px;height:150px;background:#fff;border-radius:12px;padding:10px;box-shadow:0 0 0 1px var(--line)}
.qr-wrap p{color:var(--muted);font-size:14px}
.security-note{display:flex;align-items:center;gap:8px;margin-top:24px;color:var(--muted);font-size:13px}
.security-note svg{width:15px;height:15px;color:var(--success)}
@media(max-width:880px){
  .download-panel{grid-template-columns:1fr;padding:32px 22px}
  .qr-wrap{flex-direction:row;padding:20px}
  .qr-wrap p{text-align:left}
}
@media(max-width:480px){
  .download-buttons{flex-direction:column;align-items:stretch}
  .dl-btn{max-width:none}
}

/* ============ Latest News ============ */
.latest-list{display:flex;flex-direction:column;gap:18px}
.news-feature{display:grid;grid-template-columns:1.2fr 1fr;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;box-shadow:var(--shadow-card);transition:box-shadow .25s,transform .25s}
.news-feature:hover{box-shadow:var(--shadow-pop);transform:translateY(-2px)}
.news-feature .feature-media{overflow:hidden;min-height:220px;background:var(--primary-soft)}
.news-feature .feature-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;transition:transform .5s}
.news-feature:hover .feature-media img{transform:scale(1.035)}
.news-feature .feature-content{border-left:1px solid var(--line);padding:24px;display:flex;flex-direction:column}
.tag-cat{display:inline-flex;align-items:center;border-radius:var(--radius-tag);background:var(--primary-soft);color:var(--primary-dark);font-size:12px;padding:1px 12px;align-self:flex-start;margin-bottom:12px;font-weight:600}
.news-feature h3{font-size:20px;line-height:1.6;color:var(--primary-deep);margin-bottom:8px;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature .post-summary{color:var(--muted);font-size:14px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:20px}
.news-meta{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;margin-top:auto}
.news-row{display:flex;grid-template-columns:58px 1fr auto;align-items:flex-start;gap:16px;border:1px solid var(--line);background:#fff;border-radius:14px;padding:14px 16px;box-shadow:var(--shadow-card);transition:transform .2s,border-color .2s,box-shadow .2s}
.news-row:hover{transform:translateX(3px);border-color:rgba(22,106,94,.45);box-shadow:var(--shadow-pop)}
.news-row .row-date{width:50px;flex:0 0 50px;display:flex;flex-direction:column;align-items:center;border-right:1px solid var(--line);margin-right:2px;padding:2px 0}
.news-row .row-date strong{display:block;font-size:22px;color:var(--primary);line-height:1.1}
.news-row .row-date span{font-size:11px;color:var(--muted)}
.news-row h3{font-size:15px;font-weight:700;color:var(--primary-deep);line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-row p{font-size:13px;color:var(--muted);line-height:1.6;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.post-empty{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:260px;background:#fff;border:1px dashed var(--line);border-radius:18px;color:var(--muted);text-align:center}
.post-empty svg{width:48px;height:48px;color:var(--primary);margin-bottom:12px}
.post-empty h3{color:var(--primary-deep);font-size:20px;margin-bottom:6px}
.post-empty p{color:var(--muted);font-size:14px}
.post-empty .btn-text{margin-top:12px;color:var(--primary);font-weight:600}
@media(max-width:860px){
  .news-feature{grid-template-columns:1fr}
  .news-feature .feature-content{border-left:0;border-top:1px solid var(--line)}
}
@media(max-width:600px){
  .news-row p{display:none}
}

/* ============ CTA Strip ============ */
.cta-strip{background:var(--primary-deep);color:#fff;padding:52px 0}
.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-copy h2{font-size:26px;font-weight:700;color:#fff;margin-bottom:8px}
.cta-copy p{color:rgba(255,255,255,.78);font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-actions .btn-light{background:#fff;color:var(--primary-deep);border:1px solid #fff;padding:12px 26px}
.cta-actions .btn-light:hover{background:var(--accent);color:#fff;border-color:var(--accent);transform:translateY(-2px)}
.cta-actions .btn-outline-w{border:1px solid rgba(255,255,255,.7);color:#fff;padding:11px 24px}
.cta-actions .btn-outline-w:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}

/* ============ Footer ============ */
.site-footer{background:#102B26;color:#C9D5CF;padding-top:64px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand p{font-size:14px;line-height:1.9;color:#A9BDB5;margin-top:18px;max-width:340px}
.footer-brand .brand-mark{margin-bottom:6px}
.footer-brand .brand-name{color:#fff;font-size:21px}
.footer-brand .brand-badge{background:transparent;color:#F3D4BB;border-color:rgba(243,212,187,.4)}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:1px}
.footer-links{display:flex;flex-direction:column;gap:9px;font-size:14px}
.footer-links a{color:#A9BDB5;display:inline-flex;align-items:center;gap:6px;transition:color .2s,padding-left .2s}
.footer-links a:hover{color:#F3D4BB;padding-left:4px}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:#A9BDB5}
.footer-contact a{transition:color .2s}
.footer-contact a:hover{color:#F3D4BB}
.footer-contact .fc-line{display:flex;gap:9px;align-items:flex-start}
.footer-contact .fc-line svg{width:16px;height:16px;color:#6EA297;flex-shrink:0;margin-top:4px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;padding:16px 0;color:#8CA39B;font-size:13px}
.footer-bottom .footer-legal{display:flex;gap:16px;flex-wrap:wrap}
.footer-bottom a:hover{color:#fff}
@media(max-width:900px){
  .footer-top{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:600px){
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{justify-content:center;text-align:center}
}

/* share / back top */
html.menu-lock{overflow:hidden}

/* roulang page: category1 */
:root {
    --primary: #166A5E;
    --primary-deep: #115047;
    --primary-ink: #0B3B34;
    --accent: #C66A3D;
    --accent-deep: #A64926;
    --page-bg: #F6F4EF;
    --card-bg: #FFFFFF;
    --text-main: #1F2B27;
    --text-muted: #68776F;
    --line-soft: rgba(28, 58, 50, .14);
    --primary-soft: #E5F0EC;
    --success: #3E7C4F;
    --neutral: #8A9992;
    --radius-card: 12px;
    --radius-btn: 6px;
    --radius-pill: 999px;
    --shadow-card: 0 8px 24px rgba(27, 58, 49, .07);
    --shadow-lift: 0 12px 28px rgba(27, 58, 49, .12);
    --container: 1200px;
    --header-h: 68px;
    --fs-hero: clamp(34px, 4.6vw, 54px);
    --fs-title: clamp(26px, 2.8vw, 38px);
    --default-font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
    --mono-font: "SF Mono", Consolas, "Liberation Mono", monospace;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 84px;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--default-font);
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-main);
    background: var(--page-bg);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: var(--radius-btn);
    border: 1px solid transparent;
    font-weight: 600;
    font-size: 15px;
    line-height: 1.4;
    cursor: pointer;
    transition: transform .18s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 6px 14px rgba(166, 73, 38, .18);
}

.btn-primary:hover {
    background: var(--accent-deep);
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(166, 73, 38, .2);
}

.btn-white {
    background: #fff;
    color: var(--primary-ink);
    border-color: rgba(255, 255, 255, .36);
}

.btn-white:hover {
    background: rgba(255, 255, 255, .92);
    border-color: #fff;
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: rgba(22, 106, 94, .35);
}

.btn-outline:hover {
    background: var(--primary-soft);
    border-color: var(--primary);
}

.btn-light-outline {
    background: rgba(255, 255, 255, .06);
    color: #fff;
    border-color: rgba(255, 255, 255, .72);
}

.btn-light-outline:hover {
    background: rgba(255, 255, 255, .16);
    border-color: #fff;
    transform: translateY(-1px);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 80;
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(28, 58, 50, .1);
}

.header-inner {
    min-height: var(--header-h);
    display: flex;
    align-items: center;
    gap: 18px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.brand-mark svg {
    width: 20px;
    height: 20px;
    display: block;
}

.brand-name {
    font-size: 19px;
    font-weight: 700;
    color: var(--primary-ink);
    letter-spacing: .5px;
    white-space: nowrap;
}

.brand-badge {
    font-size: 11px;
    line-height: 1;
    padding: 4px 8px;
    border: 1px solid rgba(22, 106, 94, .28);
    color: var(--primary);
    border-radius: var(--radius-pill);
    background: var(--primary-soft);
    font-weight: 600;
    letter-spacing: .4px;
}

.site-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    list-style: none;
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
    gap: 2px;
}

.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 13px;
    height: 44px;
    font-size: 15px;
    font-weight: 500;
    color: #26332f;
    transition: color .2s ease;
}

.nav-link:hover {
    color: var(--primary);
}

.nav-link.current {
    color: var(--primary);
    font-weight: 700;
}

.nav-link.current::after {
    content: "";
    position: absolute;
    left: 13px;
    right: 13px;
    bottom: 0;
    height: 2px;
    border-radius: var(--radius-pill);
    background: var(--primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}

.site-search {
    display: flex;
    align-items: center;
    height: 40px;
    width: 218px;
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-btn);
    padding: 0 5px 0 12px;
    overflow: hidden;
    transition: border-color .2s ease, box-shadow .2s ease, width .2s ease;
}

.site-search:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(22, 106, 94, .12);
}

.site-search svg {
    width: 17px;
    height: 17px;
    color: var(--text-muted);
    flex-shrink: 0;
    margin-right: 6px;
    display: none;
}

.site-search input {
    border: 0;
    outline: 0;
    background: transparent;
    width: 100%;
    font-size: 14px;
    min-width: 0;
}

.search-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    background: transparent;
    border: 0;
    padding: 0 10px;
    height: 28px;
    border-radius: 4px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

.search-btn:hover {
    background: var(--primary-soft);
}

.header-cta {
    white-space: nowrap;
}

.header-cta.btn {
    padding-left: 16px;
    padding-right: 16px;
    height: 38px;
    background: var(--primary);
    color: #fff;
    box-shadow: none;
}

.header-cta.btn:hover {
    background: var(--primary-deep);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--line-soft);
    border-radius: 8px;
    cursor: pointer;
    margin-left: auto;
    padding: 0;
}

.nav-toggle svg {
    width: 20px;
    height: 20px;
    color: var(--primary-ink);
    display: block;
}

.page-hero {
    position: relative;
    padding: 84px 0 78px;
    background: linear-gradient(90deg, rgba(11, 59, 52, .92) 0%, rgba(17, 80, 71, .76) 60%, rgba(22, 106, 94, .58) 100%), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
    color: #fff;
}

.hero-breadcrumb {
    list-style: none;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 20px;
    padding: 0;
    font-size: 13px;
    color: rgba(255, 255, 255, .78);
}

.hero-breadcrumb li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-breadcrumb li + li::before {
    content: "/";
    color: rgba(255, 255, 255, .55);
}

.hero-breadcrumb a:hover {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.hero-breadcrumb .current {
    color: #fff;
    font-weight: 600;
}

.page-hero h1 {
    max-width: 860px;
    margin: 0;
    font-size: var(--fs-hero);
    line-height: 1.26;
    letter-spacing: .5px;
    font-weight: 800;
}

.hero-description {
    max-width: 720px;
    margin: 22px 0 0;
    font-size: 17px;
    line-height: 1.9;
    color: rgba(255, 255, 255, .92);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 30px;
}

.hero-notes {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px 24px;
    margin-top: 28px;
    padding: 0;
    list-style: none;
    color: rgba(255, 255, 255, .74);
    font-size: 14px;
}

.hero-notes li {
    display: flex;
    justify-content: center;
    gap: 7px;
}

.hero-notes svg {
    width: 15px;
    height: 15px;
    margin-top: 4px;
    color: #8fd4c4;
}

.section {
    padding: 90px 0;
}

.section-white {
    background: #fff;
}

.section-tint {
    background: var(--page-bg);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 10px;
}

.section-label::before {
    content: "";
    width: 20px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.section-title {
    margin: 0;
    font-size: var(--fs-title);
    line-height: 1.4;
    color: var(--primary-ink);
    font-weight: 800;
}

.section-desc {
    margin: 14px 0 0;
    color: var(--text-muted);
    max-width: 720px;
    line-height: 1.9;
    font-size: 16px;
}

.section-head {
    max-width: 800px;
    margin-bottom: 44px;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.intro-copy p {
    color: #43544e;
    line-height: 1.95;
    margin: 0 0 1.25em;
}

.intro-points {
    list-style: none;
    margin: 24px 0 0;
    padding: 0;
    display: grid;
    gap: 13px;
}

.intro-points li {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    color: var(--primary-ink);
    font-weight: 500;
}

.intro-points .point-icon {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 4px;
}

.intro-points .point-icon svg {
    width: 12px;
    height: 12px;
}

.media-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lift);
    background: #e7e3da;
}

.media-card img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.media-card::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 120px;
    background: linear-gradient(to top, rgba(11, 59, 52, .35), transparent);
    pointer-events: none;
}

.media-caption {
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 16px;
    z-index: 2;
    margin: 0;
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    text-shadow: 0 1px 8px rgba(0, 0, 0, .3);
}

.field-row {
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-card);
    background: #fff;
    display: grid;
    grid-template-columns: 70px 1fr auto;
    align-items: center;
    gap: 22px;
    padding: 22px 24px;
    margin-bottom: 14px;
    transition: transform .2s ease, box-shadow .2s ease, background .25s ease;
}

.field-row:hover {
    background: #f3f9f6;
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
    border-color: rgba(22, 106, 94, .22);
}

.field-number {
    font-family: var(--mono-font);
    font-size: 28px;
    font-weight: 700;
    color: rgba(22, 106, 94, .3);
    line-height: 1;
}

.field-content h3 {
    margin: 0 0 4px;
    font-size: 18px;
    color: var(--primary-ink);
}

.field-content p {
    margin: 0;
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.7;
}

.field-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    white-space: nowrap;
}

.field-link svg {
    width: 15px;
    height: 15px;
    transition: transform .2s ease;
}

.field-link:hover svg {
    transform: translateX(4px);
}

.metric-panel {
    margin-top: 50px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 34px;
}

.metric-item {
    border-top: 2px solid rgba(22, 106, 94, .24);
    padding-top: 20px;
}

.metric-item .metric-icon {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    background: var(--primary-soft);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.metric-item .metric-icon svg {
    width: 18px;
    height: 18px;
}

.metric-item h3 {
    margin: 0 0 5px;
    font-size: 16px;
    color: var(--primary-ink);
    font-weight: 700;
}

.metric-item p {
    margin: 0;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-muted);
}

.timeline {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    margin-top: 34px;
    padding-top: 34px;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 16px;
    height: 2px;
    background: rgba(22, 106, 94, .18);
    border-radius: 2px;
}

.tl-node {
    position: relative;
    padding-top: 34px;
}

.tl-node::before {
    content: "";
    position: absolute;
    left: 0;
    top: 7px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    border: 4px solid #fff;
    box-shadow: 0 0 0 2px var(--primary), 0 4px 10px rgba(22, 106, 94, .26);
}

.tl-year {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.3px;
    color: var(--accent-deep);
    margin-bottom: 7px;
}

.tl-node h3 {
    margin: 0 0 7px;
    font-size: 17px;
    color: var(--primary-ink);
}

.tl-node p {
    margin: 0;
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-muted);
}

.flow-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.flow-step {
    position: relative;
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-card);
    padding: 24px 20px 20px;
    height: 100%;
    transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
}

.flow-step:hover {
    box-shadow: var(--shadow-lift);
    transform: translateY(-3px);
    border-color: rgba(22, 106, 94, .26);
}

.flow-step-number {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-btn);
    background: var(--primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 14px;
}

.flow-step h3 {
    margin: 0 0 8px;
    font-size: 17px;
    color: var(--primary-ink);
}

.flow-step p {
    margin: 0;
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-muted);
}

.cta-band {
    background: linear-gradient(120deg, var(--primary-ink) 0%, var(--primary-deep) 50%, var(--primary) 100%);
    border-radius: 16px;
    color: #fff;
    padding: 54px 54px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 40px;
    align-items: center;
    box-shadow: 0 18px 45px rgba(11, 59, 52, .22);
}

.cta-band h2 {
    margin: 0 0 11px;
    font-size: clamp(22px, 2.6vw, 34px);
    color: #fff;
}

.cta-band p {
    margin: 0;
    color: rgba(255, 255, 255, .88);
    max-width: 640px;
    line-height: 1.9;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: flex-end;
}

.cta-actions .btn {
    border-radius: 6px;
}

.faq-block {
    max-width: 860px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(28, 58, 50, .15);
}

.faq-item:first-child {
    border-top: 1px solid rgba(28, 58, 50, .15);
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 20px 50px 20px 0;
    position: relative;
    font-size: 16px;
    font-weight: 600;
    color: #26332f;
    transition: color .2s ease;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary:hover {
    color: var(--primary);
}

.faq-item .faq-icon {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform .25s ease, background .2s ease, color .2s ease;
}

.faq-item .faq-icon::before,
.faq-item .faq-icon::after {
    content: "";
    position: absolute;
    background: currentColor;
    border-radius: 2px;
}

.faq-item .faq-icon::before {
    width: 12px;
    height: 2px;
}

.faq-item .faq-icon::after {
    width: 2px;
    height: 12px;
}

.faq-item[open] .faq-icon {
    transform: translateY(-50%) rotate(45deg);
    background: var(--primary);
    color: #fff;
}

.faq-answer {
    padding-bottom: 20px;
    padding-right: 30px;
    margin: 0;
    color: var(--text-muted);
    line-height: 1.9;
}

.faq-answer a {
    color: var(--primary);
    font-weight: 600;
    border-bottom: 1px solid transparent;
}

.faq-answer a:hover {
    border-color: var(--primary);
}

.site-footer {
    background: #f0ede6;
    border-top: 1px solid rgba(28, 58, 50, .12);
    padding: 64px 0 0;
    color: #596760;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
    gap: 44px;
    padding-bottom: 40px;
}

.footer-brand .brand {
    margin-bottom: 14px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.85;
    margin: 14px 0 0;
    color: var(--text-muted);
}

.footer-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary-ink);
    margin: 0 0 17px;
    letter-spacing: .3px;
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 9px;
}

.footer-links a {
    font-size: 14px;
    color: #596760;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-links a::before {
    content: "";
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: rgba(22, 106, 94, .52);
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-contact {
    display: grid;
    gap: 13px;
}

.fc-line {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    font-size: 14px;
    line-height: 1.6;
    color: #596760;
}

.fc-line svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-top: 4px;
    color: var(--primary);
}

.fc-line p {
    margin: 0;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    border-top: 1px solid rgba(28, 58, 50, .12);
    padding: 16px 24px;
    font-size: 13px;
    color: var(--text-muted);
}

.footer-legal {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

@media (max-width: 1100px) {
    .site-nav {
        margin-left: 8px;
    }
    .nav-link {
        padding: 0 8px;
        font-size: 14px;
    }
    .site-search {
        width: 180px;
    }
}

@media (max-width: 992px) {
    .header-inner {
        flex-wrap: wrap;
        padding-top: 5px;
        padding-bottom: 5px;
        gap: 10px;
    }
    .site-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        border-top: 1px solid rgba(28, 58, 50, .1);
        box-shadow: 0 16px 28px rgba(27, 58, 49, .12);
        max-height: calc(100vh - 90px);
        overflow-y: auto;
        padding: 10px 20px 22px;
    }
    .site-nav.open {
        display: block;
    }
    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
    }
    .nav-link {
        justify-content: flex-start;
        width: 100%;
        height: 46px;
        padding: 0 8px;
        font-size: 16px;
        border-bottom: 1px solid rgba(28, 58, 50, .08);
    }
    .nav-link.current::after {
        left: 0;
        right: auto;
        width: 3px;
        top: 9px;
        bottom: 9px;
        height: auto;
    }
    .header-actions {
        margin-left: auto;
        order: 3;
    }
    .nav-toggle {
        display: inline-flex;
        margin-left: 0;
        order: 4;
    }
    .site-search {
        width: 40px;
        padding-left: 0;
        justify-content: center;
        border-color: transparent;
        background: transparent;
    }
    .site-search input,
    .site-search .search-btn span {
        display: none;
    }
    .site-search svg {
        display: block;
        margin-right: 0;
    }
    .site-search .search-btn {
        padding: 0;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: var(--primary-soft);
    }
    .site-search.open {
        width: 220px;
        border-color: var(--line-soft);
        background: #fff;
        padding-left: 12px;
    }
    .site-search.open svg {
        display: block;
        margin-right: 6px;
    }
    .site-search.open input {
        display: block;
    }
    .site-search.open .search-btn {
        background: transparent;
        padding: 0 10px;
        width: auto;
        height: 28px;
        border-radius: 4px;
    }
    .site-search.open .search-btn span {
        display: inline;
    }
    .section {
        padding: 70px 0;
    }
    .flow-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 34px;
    }
    .cta-band {
        grid-template-columns: 1fr;
        gap: 26px;
        padding: 38px 28px;
    }
    .cta-actions {
        justify-content: flex-start;
    }
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 34px;
    }
}

@media (max-width: 768px) {
    .container {
        padding-left: 18px;
        padding-right: 18px;
    }
    .page-hero {
        padding: 56px 0 52px;
    }
    .page-hero h1 {
        font-size: 32px;
        letter-spacing: .3px;
    }
    .hero-description {
        font-size: 16px;
    }
    .hero-actions .btn {
        width: 100%;
    }
    .hero-notes {
        align-items: flex-start;
        flex-direction: column;
        gap: 9px;
    }
    .section {
        padding: 56px 0;
    }
    .section-head {
        margin-bottom: 28px;
    }
    .field-row {
        grid-template-columns: 48px 1fr;
        gap: 14px;
        padding: 18px 16px;
    }
    .field-link {
        grid-column: 2;
    }
    .field-number {
        font-size: 22px;
        text-align: center;
    }
    .metric-panel {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
    .timeline {
        grid-template-columns: 1fr;
        padding: 0 0 0 26px;
        gap: 20px;
        margin-top: 12px;
    }
    .timeline::before {
        left: 8px;
        right: auto;
        top: 0;
        bottom: 0;
        width: 2px;
        height: auto;
    }
    .tl-node {
        padding-top: 0;
    }
    .tl-node::before {
        left: -22px;
        top: 4px;
    }
    .flow-grid {
        grid-template-columns: 1fr;
    }
    .faq-block {
        padding-left: 4px;
        padding-right: 4px;
    }
    .footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .footer-legal {
        justify-content: center;
    }
}

@media (max-width: 520px) {
    .brand-name {
        font-size: 17px;
    }
    .brand-badge {
        display: none;
    }
    .header-cta {
        display: none;
    }
    .site-search.open {
        width: calc(100vw - 160px);
    }
    .header-actions {
        gap: 4px;
    }
    .btn {
        padding: 10px 16px;
    }
    .intro-points li {
        font-size: 14px;
    }
    .media-card img {
        height: 300px;
    }
    .metric-panel {
        grid-template-columns: 1fr;
    }
    .section-title {
        font-size: 26px;
    }
    .hero-notes li {
        font-size: 13px;
    }
    .cta-band {
        padding: 32px 22px;
    }
    .faq-item summary {
        font-size: 15px;
        padding-right: 40px;
    }
    .faq-answer {
        font-size: 14px;
    }
}

/* roulang page: article */
:root{
  --primary:#166a5e;
  --primary-dark:#115047;
  --primary-ink:#0b3b34;
  --accent:#c66a3d;
  --accent-dark:#a64926;
  --bg:#f6f4ef;
  --surface:#ffffff;
  --text:#1f2b27;
  --muted:#68776f;
  --line:rgba(28,58,50,.14);
  --primary-soft:#e5f0ec;
  --shadow-card:0 8px 24px rgba(27,58,49,.07);
  --shadow-float:0 18px 40px rgba(27,58,49,.12);
  --radius-card:12px;
  --radius-btn:6px;
  --radius-input:6px;
  --radius-pill:999px;
  --container:1200px;
  --gutter:24px;
  --nav-h:68px;
  --transition:.2s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
.container{width:min(1200px, 100% - 48px);margin:0 auto}
.container-narrow{width:min(880px, 100% - 48px);margin:0 auto}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--radius-btn);
  font-weight:600;
  font-size:15px;
  line-height:1;
  border:1px solid transparent;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(198,106,61,.24)}
.btn-accent:hover{background:var(--accent-dark);color:#fff;box-shadow:0 10px 24px rgba(166,73,38,.3)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(22,106,94,.2)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;box-shadow:0 10px 24px rgba(17,80,71,.28)}
.btn-light{background:#fff;color:var(--primary-ink);border-color:rgba(255,255,255,.55)}
.btn-light:hover{background:var(--primary-soft);color:var(--primary-ink);border-color:#fff}
.btn-outline{background:transparent;color:var(--primary);border:1px solid var(--primary)}
.btn-outline:hover{background:var(--primary-soft);border-color:var(--primary-dark)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-lg{padding:15px 32px;font-size:16px}

.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:var(--nav-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  font-weight:700;
}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:8px;
  background:var(--primary);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 14px rgba(22,106,94,.2);
}
.brand-mark svg{width:21px;height:21px;stroke-width:2.2}
.brand-name{font-size:20px;color:var(--text);letter-spacing:.01em}
.brand-badge{
  height:22px;
  line-height:20px;
  padding:0 8px;
  font-size:11px;
  font-weight:600;
  color:var(--primary);
  border:1px solid rgba(22,106,94,.24);
  border-radius:var(--radius-pill);
  background:rgba(22,106,94,.06);
}
.site-nav{flex:1}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;
  display:block;
  padding:9px 15px;
  border-radius:var(--radius-pill);
  color:var(--text);
  font-weight:600;
  font-size:15px;
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-dark)}
.nav-link.current{color:var(--primary)}
.nav-link.current::after{
  content:"";
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:3px;
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.header-search{
  display:flex;
  align-items:center;
  width:220px;
  height:40px;
  border:1px solid rgba(28,58,50,.16);
  border-radius:var(--radius-pill);
  background:#fff;
  padding:0 14px;
  gap:8px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.header-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(22,106,94,.12)}
.header-search svg{width:17px;height:17px;color:var(--muted);flex-shrink:0}
.header-search input{
  border:0;
  outline:none;
  background:transparent;
  width:100%;
  font-size:14px;
  color:var(--text);
}
.header-search input::placeholder{color:#98a39c}
.search-toggle-btn,.nav-burger{
  display:none;
  width:42px;
  height:42px;
  border-radius:10px;
  align-items:center;
  justify-content:center;
  color:var(--text);
  border:1px solid var(--line);
  background:#fff;
  transition:background .2s ease,border-color .2s ease;
}
.search-toggle-btn:hover,.nav-burger:hover{background:var(--primary-soft);border-color:var(--primary)}
.search-toggle-btn svg,.nav-burger svg{width:20px;height:20px}
.mobile-search{
  display:none;
  padding:12px 18px 18px;
  border-bottom:1px solid var(--line);
  background:#fff;
}
.mobile-search.show{display:block}
.mobile-search form{display:flex;align-items:center;gap:10px;max-width:720px;margin:0 auto}
.mobile-search input{
  flex:1;
  height:42px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  padding:0 18px;
  font-size:15px;
  width:auto;
}
.mobile-search button{background:var(--primary);color:#fff;height:42px;padding:0 18px;border-radius:var(--radius-btn);font-weight:600}

.article-hero{
  position:relative;
  background:linear-gradient(100deg, rgba(11,59,52,.98) 0%, rgba(17,80,71,.88) 46%, rgba(22,106,94,.72) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#fff;
  padding:72px 0 148px;
}
.article-hero-inner{max-width:980px}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:9px;
  font-size:14px;
  color:rgba(255,255,255,.7);
  margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.8)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb-sep{opacity:.5}
.article-hero h1{
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.28;
  letter-spacing:-.02em;
  font-weight:800;
  max-width:12em;
  text-wrap:balance;
}
.article-hero .article-excerpt{
  color:rgba(255,255,255,.82);
  font-size:16px;
  margin-top:20px;
  max-width:720px;
}
.article-hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin-top:28px;
  color:rgba(255,255,255,.86);
  font-size:14px;
}
.hero-meta-item{display:flex;align-items:center;gap:7px}
.hero-meta-item svg{width:17px;height:17px;opacity:.8}
.hero-meta-item strong{color:#fff;font-weight:600}

.article-page-main{background:var(--surface);padding-bottom:72px}
.post-card{
  margin-top:-104px;
  background:#fff;
  border:1px solid rgba(28,58,50,.08);
  border-radius:18px;
  box-shadow:0 24px 56px rgba(27,58,49,.1);
  padding:clamp(26px,6vw,64px);
}
.article-reader .article-body{
  font-size:16.5px;
  line-height:1.95;
  color:#25322d;
}
.article-body h1,.article-body h2,.article-body h3{
  color:var(--primary-ink);
  line-height:1.45;
  margin:2.1em 0 .85em;
  letter-spacing:-.01em;
}
.article-body h2{
  font-size:23px;
  border-left:4px solid var(--accent);
  padding-left:14px;
}
.article-body h3{font-size:19px}
.article-body h4{font-size:17px;color:var(--primary-dark);margin:1.8em 0 .6em}
.article-body p{font-size:16.5px;margin-bottom:1.4em;color:#2a3631}
.article-body strong{color:var(--primary-ink);font-weight:700}
.article-body em{font-style:italic}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--accent-dark)}
.article-body ul,.article-body ol{margin:0 0 1.5em;padding-left:1.35em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.55em}
.article-body blockquote{
  margin:1.8em 0;
  padding:18px 24px;
  border-left:4px solid var(--primary);
  background:var(--primary-soft);
  color:var(--primary-dark);
  border-radius:0 10px 10px 0;
  font-style:normal;
}
.article-body blockquote p{margin-bottom:0;color:var(--primary-dark)}
.article-body img,.article-body figure{margin:2em 0;border-radius:12px}
.article-body figure figcaption{
  text-align:center;
  color:var(--muted);
  font-size:13px;
  padding-top:10px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:2em 0;
  font-size:15px;
  background:#fff;
}
.article-body table th{
  background:var(--primary-soft);
  color:var(--primary-ink);
  text-align:left;
  font-weight:700;
}
.article-body table th,.article-body table td{
  border:1px solid rgba(28,58,50,.14);
  padding:12px 14px;
}
.article-body .table-wrap{overflow-x:auto}
.article-body hr{
  border:0;
  height:1px;
  background:var(--line);
  margin:2.5em 0;
}
.article-body code,.article-body pre{
  background:#26352f;
  color:#e9f2ef;
  border-radius:8px;
}
.article-body code{
  padding:1px 7px;
  font-size:14px;
}
.article-body pre{
  padding:20px;
  overflow:auto;
  line-height:1.7;
  margin:1.8em 0;
}
.article-body pre code{background:transparent;padding:0}

.post-tags{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:42px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.tag-label{
  font-size:14px;
  color:var(--muted);
  margin-right:4px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:5px 14px;
  border:1px solid rgba(22,106,94,.2);
  border-radius:var(--radius-pill);
  background:rgba(22,106,94,.05);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
}

.post-pager{
  margin-top:34px;
}
.pager-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.pager-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 26px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  min-height:118px;
}
.pager-card:hover{
  transform:translateY(-3px);
  border-color:var(--primary);
  box-shadow:var(--shadow-float);
}
.pager-label{
  display:flex;
  align-items:center;
  gap:7px;
  color:var(--muted);
  font-size:13px;
  margin-bottom:10px;
}
.pager-label svg{width:16px;height:16px}
.pager-title{
  color:var(--primary-ink);
  font-size:17px;
  font-weight:700;
  line-height:1.5;
}
.pager-meta{margin-top:auto;color:var(--muted);font-size:13px;padding-top:12px}

.article-cta{
  padding:40px 0 88px;
  background:var(--surface);
}
.cta-main{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  align-items:center;
  overflow:hidden;
  background:linear-gradient(120deg,#0e443d 0%,#0b3b34 55%,#115047 100%);
  border-radius:20px;
  color:#fff;
  box-shadow:0 24px 56px rgba(11,59,52,.2);
}
.cta-content{
  padding:clamp(30px,5vw,60px);
}
.cta-kicker{
  display:inline-block;
  padding:5px 14px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius-pill);
  font-size:13px;
  margin-bottom:18px;
  color:#f8d9c7;
  font-weight:600;
}
.cta-content h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.4;
  margin-bottom:16px;
  color:#fff;
  letter-spacing:-.02em;
}
.cta-content p{
  color:rgba(255,255,255,.82);
  margin-bottom:28px;
  max-width:560px;
}
.cta-buttons{display:flex;flex-wrap:wrap;gap:14px}
.cta-media{
  align-self:stretch;
  position:relative;
  min-height:240px;
}
.cta-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  position:absolute;
  inset:0;
}
.cta-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,var(--primary-ink) 0%,transparent 36%);
}
.cta-media img{position:relative;width:100%;object-fit:cover;border-radius:0 20px 20px 0}
@media (min-width:641px){
  .cta-media img{border-radius:0 20px 20px 0}
}

.not-found-section{
  min-height:62vh;
  padding:90px 0 110px;
  display:flex;
  align-items:center;
}
.not-found-inner{
  width:min(680px,100% - 48px);
  margin:0 auto;
  text-align:center;
  padding:60px 44px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow-card);
}
.not-found-icon{
  width:76px;
  height:76px;
  margin:0 auto 26px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--primary-soft);
  color:var(--primary);
  border-radius:50%;
}
.not-found-icon svg{width:34px;height:34px}
.not-found-inner h1{
  font-size:30px;
  color:var(--primary-ink);
  margin-bottom:12px;
  line-height:1.4;
}
.not-found-inner p{
  color:var(--muted);
  max-width:560px;
  margin:0 auto 30px;
}

.site-footer{
  background:linear-gradient(180deg,#0e443d,#0b3b34);
  color:rgba(255,255,255,.78);
  font-size:14px;
}
.footer-top{
  display:grid;
  grid-template-columns:2.2fr 1fr 1fr 1.4fr;
  gap:48px;
  padding:72px 0 54px;
}
.footer-brand .brand{color:#fff}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-badge{color:#fff;border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.08)}
.footer-brand p{
  margin-top:18px;
  max-width:360px;
  color:rgba(255,255,255,.68);
  line-height:1.9;
}
.footer-title{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:20px;
  position:relative;
  padding-bottom:10px;
}
.footer-title::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:26px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
}
.footer-links li{margin-bottom:12px}
.footer-links a{color:rgba(255,255,255,.72);transition:color .2s ease,padding-left .2s ease}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-contact .fc-line{
  display:flex;
  align-items:flex-start;
  gap:11px;
  margin-bottom:16px;
  line-height:1.7;
}
.footer-contact svg{
  width:19px;
  height:19px;
  color:#7fcbb9;
  flex-shrink:0;
  margin-top:2px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  color:rgba(255,255,255,.55);
  font-size:13px;
}
.footer-legal{display:flex;gap:18px}
.footer-bottom span{display:inline-flex;align-items:center;gap:6px}

@media (max-width:1200px){
  .header-inner{gap:16px}
  .site-nav{flex:1}
  .nav-link{padding:9px 11px;font-size:14px}
  .header-search{width:178px}
}
@media (max-width:992px){
  .header-inner{position:relative}
  .site-nav{
    position:fixed;
    top:68px;
    left:0;
    right:0;
    background:#fff;
    padding:14px 20px 22px;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-float);
    max-height:calc(100vh - 68px);
    overflow:auto;
    transform:translateY(-16px);
    opacity:0;
    visibility:hidden;
    transition:transform .25s ease,opacity .25s ease,visibility .25s ease;
    flex:1 0 100%;
    margin:0;
    z-index:55;
  }
  .site-nav.nav-open{transform:translateY(0);opacity:1;visibility:visible}
  .header-top-area .site-nav{order:4}
  .header-inner{flex-wrap:wrap}
  .brand{order:1}
  .header-actions{order:2;margin-left:auto}

  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{
    padding:14px 16px;
    border-bottom:1px solid rgba(28,58,50,.05);
  }
  .nav-link.current::after{left:16px;transform:none}
  .nav-link:hover{background:var(--primary-soft)}
  .search-toggle-btn,.nav-burger{display:inline-flex}
  .header-search{display:none}
  .btn-header-cta span{display:none}
  .btn-header-cta{padding:0;width:42px;height:42px;border-radius:10px}
  .footer-top{grid-template-columns:1fr 1fr;gap:38px}
}
@media (max-width:768px){
  .article-hero{padding:56px 0 130px}
  .post-card{box-shadow:0 14px 30px rgba(27,58,49,.08)}
  .pager-grid{grid-template-columns:1fr;gap:14px}
  .cta-main{grid-template-columns:1fr}
  .cta-media{min-height:180px}
  .cta-media img{position:static;border-radius:0 0 20px 20px}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .brand-badge{display:none}
  .article-hero h1{font-size:30px}
  .article-hero-meta{gap:8px 14px}
  .post-card{margin-top:-88px}
  .footer-top{grid-template-columns:1fr;gap:34px}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center}
  .btn-lg{width:100%}
  .cta-buttons{flex-direction:column}
  .cta-buttons .btn{width:100%}
  .pager-card{min-height:100px}
}

/* roulang page: category3 */
:root {
      --primary: #166A5E;
      --primary-deep: #115047;
      --primary-dark: #0B3B34;
      --accent: #C66A3D;
      --accent-deep: #A64926;
      --bg-page: #F6F4EF;
      --bg-card: #FFFFFF;
      --text-main: #1F2B27;
      --text-weak: #68776F;
      --line-color: rgba(28, 58, 50, .14);
      --primary-light: #E5F0EC;
      --radius-card: 12px;
      --radius-btn: 6px;
      --shadow-card: 0 8px 24px rgba(27, 58, 49, .07);
      --shadow-float: 0 18px 40px rgba(27, 58, 49, .12);
      --container-width: 1200px;
      --gap: 24px;
      --header-height: 68px;
      --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'system-ui', -apple-system, sans-serif;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.8;
      color: var(--text-main);
      background: var(--bg-page);
      -webkit-font-smoothing: antialiased;
    }

    img {
      max-width: 100%;
      display: block;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .25s ease;
    }

    button {
      font-family: inherit;
      border: none;
      cursor: pointer;
      background: none;
    }

    input,
    select,
    textarea {
      font-family: inherit;
      font-size: inherit;
    }

    .container {
      width: min(var(--container-width), 100% - 32px);
      margin-inline: auto;
    }

    /* ---------- Navigation ---------- */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, .92);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--line-color);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      height: var(--header-height);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      flex-shrink: 0;
    }

    .brand-mark {
      width: 36px;
      height: 36px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--primary);
      color: #fff;
      border-radius: 8px;
      transition: background-color .2s;
    }

    .brand-mark svg {
      width: 22px;
      height: 22px;
    }

    .brand-name {
      font-size: 19px;
      font-weight: 700;
      letter-spacing: .02em;
      color: var(--text-main);
      white-space: nowrap;
    }

    .brand-badge {
      font-size: 12px;
      font-weight: 500;
      padding: 2px 10px;
      border-radius: 999px;
      background: var(--primary-light);
      color: var(--primary);
      border: 1px solid rgba(22, 106, 94, .2);
      line-height: 1.6;
    }

    .site-nav .nav-list {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 2px;
    }

    .nav-link {
      display: block;
      padding: 8px 14px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-main);
      border-radius: 6px;
      position: relative;
      transition: color .25s, background-color .25s;
      white-space: nowrap;
    }

    .nav-link:hover {
      color: var(--primary);
      background: var(--primary-light);
    }

    .nav-link.current {
      color: var(--primary);
      font-weight: 600;
    }

    .nav-link.current::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 14px;
      right: 14px;
      height: 2px;
      background: var(--primary);
      border-radius: 2px 2px 0 0;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .search-box {
      display: flex;
      align-items: center;
      gap: 6px;
      background: var(--bg-page);
      border: 1px solid var(--line-color);
      border-radius: 999px;
      padding: 6px 14px 6px 10px;
      width: 220px;
      transition: border-color .25s, box-shadow .25s;
    }

    .search-box:focus-within {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(22, 106, 94, .12);
      background: #fff;
    }

    .search-box svg {
      width: 16px;
      height: 16px;
      color: var(--text-weak);
      flex-shrink: 0;
    }

    .search-box input {
      border: none;
      outline: none;
      background: transparent;
      font-size: 14px;
      width: 100%;
      color: var(--text-main);
    }

    .search-box input::placeholder {
      color: var(--text-weak);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-btn);
      padding: 10px 20px;
      transition: all .25s ease;
      line-height: 1.5;
      white-space: nowrap;
      border: 1px solid transparent;
    }

    .btn svg {
      width: 18px;
      height: 18px;
    }

    .btn-accent {
      background: var(--accent);
      color: #fff;
    }

    .btn-accent:hover {
      background: var(--accent-deep);
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(187, 94, 44, .28);
    }

    .btn-accent:active {
      transform: translateY(0);
      box-shadow: none;
    }

    .btn-outline {
      background: transparent;
      border-color: rgba(255, 255, 255, .7);
      color: #fff;
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, .14);
      border-color: #fff;
    }

    .btn-primary-border {
      background: #fff;
      border-color: var(--primary);
      color: var(--primary);
    }

    .btn-primary-border:hover {
      background: var(--primary-light);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 8px;
      align-items: center;
      justify-content: center;
      color: var(--text-main);
      border: 1px solid var(--line-color);
      background: var(--bg-card);
    }

    .menu-toggle svg {
      width: 22px;
      height: 22px;
    }

    .search-mobile-btn {
      display: none;
      width: 42px;
      height: 42px;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      color: var(--text-main);
      border: 1px solid var(--line-color);
      background: var(--bg-card);
    }

    .search-mobile-btn svg {
      width: 20px;
      height: 20px;
    }

    .mobile-search-row {
      display: none;
      padding: 12px 16px;
      border-bottom: 1px solid var(--line-color);
      background: #fff;
    }

    .mobile-search-row .search-box {
      width: 100%;
    }

    .mobile-search-row.active {
      display: block;
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }

    /* ---------- Content ---------- */
    .page-hero {
      background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-deep) 60%, var(--primary) 100%);
      padding: 52px 0 56px;
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .page-hero::after {
      content: '';
      position: absolute;
      inset: 0;
      background-image: linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
      background-size: 44px 44px;
      pointer-events: none;
    }

    .page-hero .container {
      position: relative;
      z-index: 2;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: rgba(255, 255, 255, .7);
      margin-bottom: 16px;
    }

    .breadcrumb svg {
      width: 14px;
      height: 14px;
    }

    .breadcrumb a:hover {
      color: #fff;
    }

    .page-hero h1 {
      font-size: clamp(28px, 4vw, 38px);
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 14px;
      letter-spacing: .02em;
    }

    .page-hero .subtitle {
      font-size: 16px;
      max-width: 720px;
      color: rgba(255, 255, 255, .8);
      line-height: 1.8;
    }

    .page-main {
      padding: 56px 0 88px;
    }

    /* Feature Intro Strip */
    .feature-strip {
      margin-top: 0;
      background: var(--bg-card);
      border: 1px solid var(--line-color);
      border-radius: var(--radius-card);
      padding: 20px 24px;
      box-shadow: var(--shadow-card);
      display: grid;
      grid-template-columns: 1fr 1.2fr .8fr 1fr;
      gap: 24px;
      margin-bottom: 44px;
      margin-top: -28px;
      position: relative;
      z-index: 3;
    }

    .strip-item {
      padding-left: 16px;
      border-left: 3px solid var(--primary-light);
    }

    .strip-item strong {
      display: block;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 3px;
    }

    .strip-item span {
      font-size: 13px;
      color: var(--text-weak);
      line-height: 1.6;
      display: block;
    }

    /* Section Titles */
    .section-title-group {
      margin-bottom: 36px;
    }

    .section-title-group .eyebrow {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      letter-spacing: .08em;
      text-transform: uppercase;
      margin-bottom: 10px;
    }

    .section-title-group h2 {
      font-size: clamp(26px, 3vw, 34px);
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.35;
      letter-spacing: .02em;
    }

    .section-title-group .desc {
      font-size: 15px;
      color: var(--text-weak);
      max-width: 720px;
      line-height: 1.8;
      margin-top: 12px;
    }

    /* Alternating Image / Text */
    .project-block {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
      margin-bottom: 48px;
    }

    .project-block:last-child {
      margin-bottom: 0;
    }

    .project-media {
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      position: relative;
      background: var(--primary-light);
    }

    .project-media img {
      width: 100%;
      height: 100%;
      min-height: 300px;
      object-fit: cover;
      transition: transform .6s ease;
    }

    .project-media:hover img {
      transform: scale(1.02);
    }

    .project-body .p-index {
      font-size: 48px;
      font-weight: 700;
      color: var(--primary-light);
      line-height: 1;
      letter-spacing: .06em;
      font-family: Georgia, 'Times New Roman', serif;
      display: block;
      margin-bottom: 8px;
    }

    .project-body h3 {
      font-size: 22px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
      line-height: 1.4;
    }

    .badge-status {
      display: inline-block;
      font-size: 12px;
      font-weight: 500;
      padding: 2px 12px;
      border-radius: 999px;
      margin-bottom: 12px;
    }

    .badge-status.progress {
      background: rgba(198, 106, 61, .12);
      color: var(--accent-deep);
    }

    .badge-status.done {
      background: rgba(62, 124, 79, .12);
      color: #3E7C4F;
    }

    .badge-status.ready {
      background: rgba(22, 106, 94, .1);
      color: var(--primary);
    }

    .project-body p {
      color: var(--text-weak);
      font-size: 15px;
      line-height: 1.85;
      margin-bottom: 20px;
    }

    .project-body ul {
      list-style: none;
      margin-bottom: 2px;
      margin-top: 0;
      padding-left: 0;
    }

    .project-feature-list li {
      position: relative;
      padding-left: 22px;
      color: var(--text-main);
      font-size: 14px;
      line-height: 1.7;
      margin-top: 8px;
    }

    .project-feature-list li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 10px;
      width: 12px;
      height: 7px;
      border-left: 2px solid var(--primary);
      border-bottom: 2px solid var(--primary);
      transform: rotate(-45deg);
    }

    .project-body.reverse .project-media {
      order: 2;
    }

    .project-footer {
      display: flex;
      align-items: center;
      gap: 20px;
      margin-top: 18px;
      padding-top: 14px;
      border-top: 1px dashed var(--line-color);
    }

    .project-footer span {
      font-size: 13px;
      color: var(--text-weak);
    }

    /* Case / Stats */
    .stats-wrap {
      background: var(--primary-deep);
      border-radius: var(--radius-card);
      padding: 48px 40px;
      color: #fff;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-bottom: 32px;
    }

    .stat-item {
      text-align: center;
      padding: 12px 0;
      position: relative;
    }

    .stat-item + .stat-item::before {
      content: '';
      position: absolute;
      left: -12px;
      top: 10%;
      height: 80%;
      width: 1px;
      background: rgba(255, 255, 255, .15);
    }

    .stat-item .stat-num {
      font-size: 34px;
      font-weight: 700;
      line-height: 1.2;
      font-weight: 700;
    }

    .stat-item .stat-num em {
      font-style: normal;
      font-size: 16px;
      color: rgba(255, 255, 255, .7);
      margin-right: 2px;
    }

    .stat-item .stat-label {
      font-size: 13px;
      color: rgba(255, 255, 255, .78);
      margin-top: 4px;
      letter-spacing: .02em;
    }

    .stats-note {
      font-size: 14px;
      color: rgba(255, 255, 255, .7);
      text-align: center;
      line-height: 1.7;
    }

    /* CTA Banner */
    .cta-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
      border: 1px solid var(--line-color);
      border-radius: 16px;
      padding: 32px 40px;
      background: var(--bg-card);
      box-shadow: var(--shadow-card);
      margin-top: 44px;
    }

    .cta-banner h3 {
      font-size: 24px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .cta-banner p {
      color: var(--text-weak);
      font-size: 15px;
      max-width: 520px;
      margin-bottom: 4px;
    }

    .cta-banner .cta-actions {
      display: flex;
      gap: 12px;
      flex-shrink: 0;
    }

    /* FAQ */
    .faq-list {
      margin-top: 32px;
      border-top: 1px solid var(--line-color);
    }

    .faq-list details {
      border-bottom: 1px solid var(--line-color);
      padding: 6px 0;
    }

    .faq-list summary {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 16px 4px;
      font-size: 16px;
      font-weight: 500;
      cursor: pointer;
      transition: color .2s, background .2s;
      border-radius: 8px;
      list-style: none;
      color: var(--text-main);
    }

    .faq-list summary::-webkit-details-marker {
      display: none;
    }

    .faq-list summary:hover {
      color: var(--primary);
    }

    .faq-list .faq-toggle-icon {
      width: 26px;
      height: 26px;
      min-width: 26px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      border: 1px solid var(--line-color);
      position: relative;
      transition: transform .3s ease, background-color .3s ease, border-color .3s ease;
    }

    .faq-list .faq-toggle-icon::before,
    .faq-list .faq-toggle-icon::after {
      content: '';
      position: absolute;
      background: var(--text-main);
      transition: background-color .3s;
    }

    .faq-list .faq-toggle-icon::before {
      width: 10px;
      height: 1.5px;
    }

    .faq-list .faq-toggle-icon::after {
      height: 10px;
      width: 1.5px;
    }

    .faq-list details[open] .faq-toggle-icon {
      transform: rotate(135deg);
      background: var(--primary);
      border-color: var(--primary);
    }

    .faq-list details[open] .faq-toggle-icon::before,
    .faq-list details[open] .faq-toggle-icon::after {
      background: #fff;
    }

    .faq-list .faq-answer {
      padding: 0 62px 20px 22px;
      color: var(--text-weak);
      font-size: 15px;
      line-height: 1.85;
      border-bottom: none;
    }

    .faq-list .faq-answer p {
      margin-bottom: 8px;
    }

    .faq-list .faq-answer p:last-child {
      margin-bottom: 0;
    }

    /* ---------- Footer ---------- */
    .site-footer {
      background: var(--primary-dark);
      color: rgba(255, 255, 255, .78);
      padding: 60px 0 32px;
      margin-top: auto;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.3fr .8fr .8fr 1.1fr;
      gap: 40px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255, 255, 255, .1);
    }

    .footer-brand p {
      margin-top: 20px;
      font-size: 14px;
      line-height: 1.8;
      color: rgba(255, 255, 255, .56);
      max-width: 350px;
    }

    .footer-brand .brand {
      color: #fff;
    }

    .footer-brand .brand-name {
      color: #fff;
      font-size: 20px;
    }

    .footer-brand .brand-badge {
      background: rgba(255, 255, 255, .15);
      color: #fff;
      border-color: rgba(255, 255, 255, .2);
      font-size: 11px;
    }

    .footer-title {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 18px;
    }

    .footer-links {
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      font-size: 14px;
      color: rgba(255, 255, 255, .56);
      line-height: 1.7;
      transition: color .25s ease, padding-left .25s ease;
      position: relative;
    }

    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }

    .footer-contact {
      display: grid;
      gap: 14px;
    }

    .fc-line {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 14px;
      color: rgba(255, 255, 255, .6);
      line-height: 1.7;
    }

    .fc-line svg {
      width: 18px;
      height: 18px;
      flex-shrink: 0;
      margin-top: 2px;
      opacity: .8;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      padding-top: 22px;
      font-size: 13px;
      color: rgba(255, 255, 255, .4);
    }

    .footer-legal {
      display: flex;
      gap: 16px;
    }

    /* ------------- Responsive ------------- */
    @media (max-width: 1060px) {
      .feature-strip {
        grid-template-columns: 1fr 1fr;
        gap: 18px;
      }

      .search-box {
        width: 180px;
      }

      .nav-link {
        padding: 8px 10px;
        font-size: 14px;
      }

      .header-cta {
        font-size: 14px;
        padding: 8px 16px;
      }
    }

    @media (max-width: 920px) {
      .menu-toggle {
        display: inline-flex;
      }

      .search-mobile-btn {
        display: inline-flex;
      }

      .search-box {
        display: none;
      }

      .header-cta {
        display: none;
      }

      .site-nav {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--bg-card);
        border-bottom: 1px solid var(--line-color);
        box-shadow: var(--shadow-float);
        padding: 16px 20px;
      }

      .site-nav.open {
        display: block;
      }

      .site-nav .nav-list {
        flex-direction: column;
        gap: 4px;
        align-items: stretch;
      }

      .nav-link.current::after {
        display: none;
      }

      .nav-link.current {
        background: var(--primary-light);
        color: var(--primary);
      }
    }

    @media (max-width: 820px) {
      .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }

      .project-block {
        grid-template-columns: 1fr;
        gap: 24px;
      }

      .project-body.reverse .project-media {
        order: 0;
      }

      .project-media img {
        min-height: 220px;
      }

      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px 8px;
      }

      .stat-item + .stat-item::before {
        display: none;
      }

      .stats-grid .stat-item:nth-child(3)::after {
        content: '';
        position: absolute;
        left: 0;
        right: 0;
        top: -8px;
        height: 1px;
      }

      .cta-banner {
        flex-direction: column;
        text-align: left;
        align-items: flex-start;
      }
    }

    @media (max-width: 560px) {
      .header-inner {
        gap: 10px;
      }

      .brand-badge {
        display: none;
      }

      .brand-mark {
        width: 32px;
        height: 32px;
      }

      .brand-name {
        font-size: 17px;
      }

      .feature-strip {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .strip-item {
        background: var(--bg-page);
        border-radius: 8px;
        padding: 12px 14px;
        border-left: 3px solid var(--primary);
      }

      .section-title-group .desc {
        font-size: 14px;
      }

      .page-main {
        padding: 40px 0 64px;
      }

      .stats-wrap {
        padding: 36px 20px;
      }

      .stat-item .stat-num {
        font-size: 28px;
      }

      .cta-banner {
        padding: 24px;
      }

      .footer-top {
        grid-template-columns: 1fr;
      }

      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }

      .footer-legal {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
        gap: 8px 16px;
      }

      .container {
        width: min(100% - 20px, 1200px);
      }
    }

/* roulang page: category2 */
:root {
      --c-primary: #166A5E;
      --c-primary-deep: #115047;
      --c-primary-ink: #0B3B34;
      --c-accent: #C66A3D;
      --c-accent-deep: #A64926;
      --c-bg: #F6F4EF;
      --c-white: #FFFFFF;
      --c-text: #1F2B27;
      --c-muted: #68776F;
      --c-line: rgba(28, 58, 50, .14);
      --c-primary-soft: #E5F0EC;
      --shadow-card: 0 8px 24px rgba(27, 58, 49, .07);
      --shadow-float: 0 18px 40px rgba(27, 58, 49, .12);
      --radius-card: 12px;
      --radius-btn: 6px;
      --radius-full: 999px;
      --container: 1200px;
      --nav-h: 68px;
      --space-section: 90px;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', system-ui, -apple-system, sans-serif;
      background: var(--c-bg);
      color: var(--c-text);
      font-size: 16px;
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }

    body.nav-lock {
      overflow: hidden;
    }

    h1, h2, h3, h4 {
      margin: 0;
      line-height: 1.4;
    }

    p {
      margin: 0;
    }

    img {
      max-width: 100%;
      display: block;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    ul,
    ol {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    button,
    input,
    textarea {
      font: inherit;
      color: inherit;
    }

    button {
      cursor: pointer;
      background: none;
      border: none;
      padding: 0;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    summary:focus-visible {
      outline: 2px solid var(--c-accent);
      outline-offset: 3px;
    }

    .container {
      max-width: var(--container);
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .section {
      padding-top: var(--space-section);
      padding-bottom: var(--space-section);
    }

    .section-white {
      background: var(--c-white);
      border-bottom: 1px solid var(--c-line);
    }

    .section-white + .section,
    .section + .section {
      border-top: 1px solid var(--c-line);
    }

    .section-kicker {
      display: inline-block;
      color: var(--c-primary);
      font-weight: 700;
      font-size: 14px;
      letter-spacing: .06em;
      margin-bottom: 10px;
    }

    .section-head {
      max-width: 780px;
      margin-bottom: 46px;
    }

    .section-head h2 {
      font-size: clamp(26px, 3vw, 38px);
      margin-bottom: 14px;
    }

    .section-head p {
      color: var(--c-muted);
      font-size: 16px;
      line-height: 1.8;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border: 1px solid transparent;
      border-radius: var(--radius-btn);
      padding: 12px 22px;
      font-weight: 600;
      font-size: 15px;
      line-height: 1.4;
      text-align: center;
      transition: background-color .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease, opacity .2s ease;
    }

    .btn-primary {
      background: var(--c-primary);
      color: #fff;
    }

    .btn-primary:hover {
      background: var(--c-primary-deep);
      transform: translateY(-1px);
      box-shadow: 0 10px 20px rgba(11, 59, 52, .14);
    }

    .btn-accent {
      background: var(--c-accent);
      color: #fff;
    }

    .btn-accent:hover {
      background: var(--c-accent-deep);
      transform: translateY(-1px);
      box-shadow: 0 10px 20px rgba(166, 73, 38, .18);
    }

    .btn-accent:active {
      transform: translateY(0);
      box-shadow: none;
    }

    .btn-outline {
      background: transparent;
      border-color: var(--c-primary);
      color: var(--c-primary);
    }

    .btn-outline:hover {
      background: var(--c-primary-soft);
      color: var(--c-primary-ink);
    }

    .btn-outline-light {
      background: transparent;
      border-color: rgba(255, 255, 255, .75);
      color: #fff;
    }

    .btn-outline-light:hover {
      background: rgba(255, 255, 255, .14);
      border-color: #fff;
    }

    .btn-white {
      background: #fff;
      color: var(--c-primary-ink);
    }

    .btn-white:hover {
      background: var(--c-primary-soft);
    }

    .btn:active {
      transform: translateY(0);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      background: rgba(255, 255, 255, .96);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--c-line);
    }

    .header-inner {
      max-width: var(--container);
      margin: 0 auto;
      min-height: var(--nav-h);
      padding: 0 24px;
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      flex-shrink: 0;
      font-weight: 800;
      color: var(--c-primary-ink);
    }

    .brand-mark {
      width: 36px;
      height: 36px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 9px;
      background: var(--c-primary);
      color: #fff;
    }

    .brand-mark svg {
      width: 20px;
      height: 20px;
    }

    .brand-name {
      font-size: 19px;
      letter-spacing: .02em;
    }

    .brand-badge {
      font-size: 11px;
      font-weight: 500;
      color: var(--c-primary);
      border: 1px solid rgba(22, 106, 94, .35);
      border-radius: var(--radius-full);
      padding: 1px 8px;
      line-height: 1.5;
    }

    .site-nav {
      flex: 1;
      display: flex;
      justify-content: center;
    }

    .nav-list {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .nav-link {
      display: inline-block;
      padding: 8px 13px;
      border-radius: 6px;
      color: var(--c-text);
      font-weight: 500;
      font-size: 15px;
      transition: color .2s ease, background-color .2s ease;
    }

    .nav-link:hover {
      color: var(--c-primary);
      background: var(--c-primary-soft);
    }

    .nav-link.current {
      color: var(--c-primary);
      font-weight: 700;
      background: rgba(22, 106, 94, .10);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .search-box {
      display: flex;
      align-items: center;
      gap: 7px;
      background: #fff;
      border: 1px solid var(--c-line);
      border-radius: var(--radius-full);
      padding: 7px 14px;
      width: 214px;
      transition: width .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .search-box:focus-within {
      width: 240px;
      border-color: var(--c-primary);
      box-shadow: 0 0 0 3px rgba(22, 106, 94, .12);
    }

    .search-icon {
      color: var(--c-muted);
      display: inline-flex;
    }

    .search-icon svg {
      width: 15px;
      height: 15px;
    }

    .search-input {
      border: 0;
      outline: none;
      background: transparent;
      width: 100%;
      font-size: 14px;
      color: var(--c-text);
    }

    .search-input::placeholder {
      color: #9AA5A1;
    }

    .btn-nav-cta {
      padding: 8px 17px;
      font-size: 14px;
      border-radius: 6px;
      background: var(--c-accent);
      color: #fff;
      font-weight: 600;
      transition: background .2s ease, transform .2s ease;
    }

    .btn-nav-cta:hover {
      background: var(--c-accent-deep);
      transform: translateY(-1px);
    }

    .nav-toggle,
    .mobile-search-toggle {
      display: none;
    }

    .mobile-search {
      display: none;
    }

    .category-head {
      position: relative;
      overflow: hidden;
      padding: 68px 0 60px;
      background-image:
        linear-gradient(180deg, rgba(246, 244, 239, .98), rgba(240, 246, 243, .94)),
        url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      border-bottom: 1px solid var(--c-line);
    }

    .category-head::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(28, 58, 50, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(28, 58, 50, .045) 1px, transparent 1px);
      background-size: 48px 48px;
      pointer-events: none;
    }

    .category-head .container {
      position: relative;
      z-index: 1;
    }

    .head-intro {
      max-width: 880px;
    }

    .head-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 5px 14px;
      border-radius: var(--radius-full);
      background: rgba(255, 255, 255, .8);
      border: 1px solid rgba(22, 106, 94, .16);
      color: var(--c-primary);
      font-weight: 600;
      font-size: 14px;
    }

    .head-kicker::before {
      content: '';
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--c-accent);
    }

    .category-head h1 {
      margin: 20px 0 16px;
      font-size: clamp(34px, 4.4vw, 56px);
      line-height: 1.23;
      color: var(--c-primary-ink);
    }

    .category-head h1 .brand-divider {
      color: var(--c-accent);
      margin: 0 10px;
      font-weight: 500;
    }

    .category-head .head-desc {
      max-width: 720px;
      color: #43524B;
      font-size: 18px;
      line-height: 1.9;
    }

    .head-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 28px;
    }

    .summary-grid {
      display: grid;
      grid-template-columns: 1fr 1.35fr 1fr;
      gap: 24px;
      margin-top: 54px;
      align-items: stretch;
    }

    .summary-col {
      padding: 28px 26px;
      background: rgba(255, 255, 255, .94);
      border: 1px solid var(--c-line);
      border-radius: var(--radius-card);
      box-shadow: 0 4px 18px rgba(27, 58, 49, .04);
    }

    .summary-col-main {
      background: var(--c-primary-soft);
      border-color: rgba(22, 106, 94, .22);
      box-shadow: none;
    }

    .summary-col strong {
      display: block;
      font-size: 18px;
      color: var(--c-primary-ink);
      margin-bottom: 12px;
    }

    .summary-col p {
      font-size: 14.5px;
      line-height: 1.85;
      color: #56645D;
    }

    .service-lines {
      padding-top: var(--space-section);
      padding-bottom: var(--space-section);
    }

    .service-line {
      display: grid;
      grid-template-columns: 68px minmax(0, 1fr) auto 30px;
      gap: 18px;
      align-items: center;
      background: #fff;
      border: 1px solid var(--c-line);
      border-radius: 14px;
      padding: 20px 22px;
      margin-bottom: 14px;
      box-shadow: 0 4px 14px rgba(27, 58, 49, .03);
      transition: background-color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    }

    .service-line:hover {
      background: var(--c-primary-soft);
      border-color: rgba(22, 106, 94, .22);
      transform: translateY(-2px);
      box-shadow: var(--shadow-card);
    }

    .service-line .sl-no {
      width: 46px;
      height: 46px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: var(--c-primary);
      background: #fff;
      border: 1px solid var(--c-line);
      border-radius: 12px;
      transition: background .2s ease, color .2s ease, border-color .2s ease;
    }

    .service-line:hover .sl-no {
      background: var(--c-primary);
      color: #fff;
      border-color: var(--c-primary);
    }

    .service-line .sl-main strong {
      display: block;
      font-size: 18px;
      color: var(--c-text);
      margin-bottom: 5px;
    }

    .service-line .sl-main small {
      display: block;
      color: var(--c-muted);
      font-size: 14px;
      line-height: 1.7;
      max-width: 720px;
    }

    .sl-tag {
      display: inline-block;
      padding: 4px 13px;
      background: rgba(62, 124, 79, .12);
      color: #2E6B54;
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 500;
      white-space: nowrap;
    }

    .sl-arrow {
      display: inline-flex;
      font-size: 22px;
      color: var(--c-primary);
      transition: transform .2s ease;
    }

    .service-line:hover .sl-arrow {
      transform: translateX(4px);
    }

    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 22px;
    }

    .flow-item {
      position: relative;
      background: #fff;
      border: 1px solid var(--c-line);
      border-radius: var(--radius-card);
      padding: 30px 24px 26px;
      box-shadow: 0 4px 14px rgba(27, 58, 49, .04);
    }

    .flow-item::after {
      content: '';
      position: absolute;
      top: 42px;
      right: -21px;
      width: 20px;
      border-top: 1px dashed rgba(22, 106, 94, .5);
      z-index: 0;
    }

    .flow-item:last-child::after {
      display: none;
    }

    .flow-no {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 40px;
      height: 40px;
      padding: 0 9px;
      margin-bottom: 17px;
      background: var(--c-primary);
      color: #fff;
      border-radius: 10px;
      font-weight: 800;
      font-size: 14px;
    }

    .flow-item h3 {
      font-size: 20px;
      margin-bottom: 9px;
      color: var(--c-primary-ink);
    }

    .flow-item p {
      color: var(--c-muted);
      font-size: 14.5px;
      line-height: 1.8;
    }

    .scene-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .scene-card {
      background: #fff;
      border: 1px solid var(--c-line);
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: 0 4px 16px rgba(27, 58, 49, .04);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .scene-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-float);
      border-color: rgba(22, 106, 94, .32);
    }

    .scene-card img {
      width: 100%;
      height: 190px;
      object-fit: cover;
      transition: transform .4s ease;
    }

    .scene-card:hover img {
      transform: scale(1.02);
    }

    .scene-body {
      padding: 24px;
    }

    .scene-body h3 {
      font-size: 19px;
      color: var(--c-primary-ink);
      margin-bottom: 9px;
    }

    .scene-body p {
      color: var(--c-muted);
      font-size: 14.5px;
      line-height: 1.85;
    }

    .principle-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .principle-card {
      background: var(--c-bg);
      border: 1px solid var(--c-line);
      border-radius: var(--radius-card);
      padding: 28px 24px;
      transition: border-color .2s ease, background .2s ease, transform .2s ease;
    }

    .principle-card:hover {
      background: #fff;
      border-color: rgba(22, 106, 94, .28);
      transform: translateY(-2px);
      box-shadow: var(--shadow-card);
    }

    .principle-icon {
      width: 40px;
      height: 40px;
      color: var(--c-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
    }

    .principle-icon svg {
      width: 34px;
      height: 34px;
    }

    .principle-card h3 {
      font-size: 18px;
      color: var(--c-primary-ink);
      margin-bottom: 8px;
    }

    .principle-card p {
      font-size: 14.5px;
      color: var(--c-muted);
      line-height: 1.85;
    }

    .section-faq {
      padding-top: var(--space-section);
      padding-bottom: var(--space-section);
    }

    .section-faq .section-head {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }

    .faq-list {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--c-line);
      border-radius: 14px;
      margin-bottom: 14px;
      overflow: hidden;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .faq-item[open] {
      border-color: rgba(22, 106, 94, .32);
      box-shadow: var(--shadow-card);
    }

    .faq-item summary {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 19px 22px;
      list-style: none;
      cursor: pointer;
      font-weight: 600;
      color: var(--c-text);
      font-size: 16px;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: '\002B';
      font-size: 24px;
      font-weight: 400;
      color: var(--c-primary);
      line-height: 1;
      transition: transform .2s ease, color .2s ease;
      flex-shrink: 0;
    }

    .faq-item[open] summary::after {
      content: '\2212';
      color: var(--c-accent-deep);
    }

    .faq-item .faq-answer {
      padding: 0 26px 22px;
      color: var(--c-muted);
      font-size: 15px;
      line-height: 1.85;
    }

    .cta-banner {
      position: relative;
      background-image:
        linear-gradient(100deg, rgba(11, 59, 52, .97) 0%, rgba(22, 106, 94, .92) 62%, rgba(22, 106, 94, .74) 100%),
        url('/assets/images/backpic/back-3.png');
      background-size: cover;
      background-position: center;
      color: #fff;
    }

    .cta-inner {
      padding-top: 80px;
      padding-bottom: 80px;
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .cta-inner h2 {
      font-size: clamp(26px, 3vw, 38px);
      margin-bottom: 14px;
      color: #fff;
    }

    .cta-inner p {
      color: rgba(255, 255, 255, .82);
      font-size: 16px;
      max-width: 640px;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 24px;
    }

    .cta-note {
      font-size: 13px;
      color: rgba(255, 255, 255, .65);
      margin-top: 14px;
    }

    .site-footer {
      background: #0D2C27;
      color: rgba(255, 255, 255, .8);
      padding-top: 64px;
    }

    .site-footer .container {
      max-width: var(--container);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.7fr 1fr 1fr 1.3fr;
      gap: 38px;
      padding-bottom: 44px;
      border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .site-footer .brand {
      color: #fff;
      margin-bottom: 14px;
    }

    .site-footer .brand-name {
      font-size: 20px;
    }

    .site-footer .brand-badge {
      border-color: rgba(255, 255, 255, .38);
      color: rgba(255, 255, 255, .8);
    }

    .footer-brand p {
      color: rgba(255, 255, 255, .62);
      font-size: 14px;
      line-height: 1.9;
      max-width: 320px;
    }

    .footer-title {
      font-size: 16px;
      color: #fff;
      font-weight: 600;
      margin-bottom: 18px;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

    .footer-links a {
      font-size: 14px;
      color: rgba(255, 255, 255, .68);
      transition: color .2s ease;
    }

    .footer-links a:hover {
      color: #9CD8CE;
    }

    .footer-contact .fc-line {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-bottom: 12px;
      font-size: 14px;
      line-height: 1.7;
      color: rgba(255, 255, 255, .72);
    }

    .footer-contact svg {
      width: 17px;
      height: 17px;
      flex-shrink: 0;
      margin-top: 4px;
      color: #7FC9BC;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
      padding-top: 22px;
      padding-bottom: 28px;
      font-size: 13px;
      color: rgba(255, 255, 255, .52);
    }

    .footer-legal {
      display: flex;
      gap: 20px;
    }

    @media (max-width: 1100px) {
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 992px) {
      :root {
        --space-section: 64px;
      }

      .site-nav {
        position: fixed;
        top: var(--nav-h);
        right: 0;
        width: min(320px, 100%);
        height: calc(100vh - var(--nav-h));
        margin: 0;
        background: #fff;
        border-left: 1px solid var(--c-line);
        box-shadow: -12px 0 30px rgba(27, 58, 49, .10);
        display: block;
        transform: translateX(102%);
        transition: transform .25s ease;
        overflow-y: auto;
        padding: 22px 20px 28px;
        z-index: 90;
      }

      .site-nav.open {
        transform: translateX(0);
      }

      .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
      }

      .nav-link {
        display: block;
        padding: 12px 16px;
        font-size: 16px;
      }

      .search-box {
        display: none;
      }

      .mobile-search-toggle {
        display: inline-flex;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
        color: var(--c-text);
        border: 1px solid var(--c-line);
        border-radius: 50%;
      }

      .mobile-search-toggle svg {
        width: 18px;
        height: 18px;
      }

      .mobile-search {
        display: none;
      }

      .mobile-search.open {
        display: block;
        background: #fff;
        border-bottom: 1px solid var(--c-line);
        padding: 12px 0;
      }

      .mobile-search .container {
        display: flex;
      }

      .mobile-search-input {
        flex: 1;
        border: 1px solid var(--c-line);
        border-radius: 999px;
        padding: 9px 16px;
        font-size: 14px;
        background: #fff;
        outline: none;
      }

      .mobile-search-input:focus {
        border-color: var(--c-primary);
        box-shadow: 0 0 0 3px rgba(22, 106, 94, .12);
      }

      .nav-toggle {
        display: inline-flex;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        gap: 5px;
        border-radius: 8px;
      }

      .nav-toggle span {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--c-text);
        border-radius: 3px;
        transition: transform .3s ease, background .3s ease, opacity .3s ease;
      }

      .nav-toggle.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
      }

      .nav-toggle.active span:nth-child(2) {
        opacity: 0;
      }

      .nav-toggle.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
      }

      .summary-grid {
        grid-template-columns: 1fr 1fr;
      }

      .summary-col-main {
        order: -1;
        grid-column: 1 / -1;
      }

      .flow-steps {
        grid-template-columns: 1fr 1fr;
      }

      .flow-item::after {
        display: none;
      }

      .scene-grid {
        grid-template-columns: 1fr 1fr;
      }

      .principle-grid {
        grid-template-columns: 1fr 1fr;
      }

      .cta-inner {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .header-inner {
        gap: 10px;
        padding-left: 16px;
        padding-right: 16px;
      }

      .btn-nav-cta {
        display: none;
      }

      .category-head {
        padding: 46px 0 40px;
      }

      .head-kicker {
        font-size: 13px;
      }

      .category-head .head-desc {
        font-size: 16px;
      }

      .head-actions .btn {
        width: 100%;
      }

      .summary-grid,
      .flow-steps,
      .scene-grid,
      .principle-grid {
        grid-template-columns: 1fr;
      }

      .summary-col-main {
        order: 0;
        grid-column: auto;
      }

      .service-line {
        grid-template-columns: 50px minmax(0, 1fr);
        gap: 10px;
        padding: 18px;
      }

      .sl-tag,
      .sl-arrow {
        display: none;
      }

      .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
        padding-bottom: 32px;
      }

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
      }
    }

    @media (max-width: 520px) {
      .header-actions {
        gap: 6px;
      }

      .brand-name {
        font-size: 16px;
      }

      .brand-badge {
        display: none;
      }

      .brand-mark {
        width: 32px;
        height: 32px;
      }

      .category-head h1 {
        font-size: 30px;
      }

      .category-head h1 .brand-divider {
        display: block;
        margin: 6px 0 0;
      }

      .summary-col {
        padding: 22px 18px;
      }

      .btn {
        width: 100%;
      }

      .head-actions,
      .cta-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .section-head h2 {
        font-size: 26px;
      }

      .footer-legal {
        flex-direction: column;
        gap: 6px;
      }

      .footer-contact .fc-line span {
        line-height: 1.6;
      }
    }

/* roulang page: category4 */
:root {
  --primary: #166A5E;
  --primary-dark: #115047;
  --primary-ink: #0B3B34;
  --accent: #C66A3D;
  --accent-dark: #A64926;
  --page-bg: #F6F4EF;
  --card-bg: #FFFFFF;
  --text: #1F2B27;
  --text-weak: #68776F;
  --line: rgba(28, 58, 50, .14);
  --primary-soft: #E5F0EC;
  --tag-soft: rgba(22, 106, 94, .1);
  --tag-green: #3E7C4F;
  --tag-gray: #7B8780;
  --radius-card: 12px;
  --radius-btn: 6px;
  --radius-input: 6px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 24px rgba(27, 58, 49, .07);
  --shadow-pop: 0 18px 40px rgba(27, 58, 49, .12);
  --content-w: 1200px;
  --gap: 24px;
  --header-h: 68px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--page-bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

body.no-scroll {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: 0;
}

ul,
ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--content-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding-block: 90px;
}

.section-head {
  max-width: 760px;
  margin-bottom: 44px;
}

.section-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--primary);
  background: var(--tag-soft);
  border-radius: var(--radius-pill);
  padding: 5px 14px;
  margin-bottom: 14px;
}

.section-head h2 {
  color: var(--primary-ink);
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.35;
  letter-spacing: .01em;
  margin-bottom: 12px;
}

.section-head p {
  color: var(--text-weak);
  max-width: 680px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  transition: background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: rgba(255, 255, 255, .08);
  color: #fff;
  border-color: rgba(255, 255, 255, .7);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, .18);
  border-color: #fff;
}

.btn-ghost {
  background: #fff;
  color: var(--primary);
  border-color: rgba(22, 106, 94, .3);
}

.btn-ghost:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
}

.btn:focus-visible,
.nav-link:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--header-h);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  height: 100%;
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  min-height: 46px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--primary-ink);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(11, 59, 52, .18);
}

.brand-mark svg {
  width: 20px;
  height: 20px;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-ink);
  letter-spacing: .02em;
}

.brand-badge {
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
}

.site-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-list a {
  display: inline-block;
  padding: 0 14px;
  height: 68px;
  line-height: 68px;
  font-size: 15px;
  font-weight: 500;
  color: #2A3A34;
  position: relative;
  transition: color .2s ease;
  white-space: nowrap;
}

.nav-list a:hover {
  color: var(--primary);
}

.nav-list a:after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  height: 2px;
  bottom: 0;
  border-radius: 2px 2px 0 0;
  background: var(--primary);
  opacity: 0;
  transform: scaleX(.4);
  transition: opacity .2s, transform .2s;
}

.nav-list a:hover:after,
.nav-list a:focus-visible:after {
  opacity: .6;
  transform: scaleX(1);
}

.nav-list a.current {
  color: var(--primary);
  font-weight: 600;
}

.nav-list a.current:after {
  opacity: 1;
  transform: scaleX(1);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.header-search {
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: #fff;
  height: 40px;
  min-width: 210px;
  display: flex;
  align-items: center;
  padding: 0 6px 0 16px;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.header-search:hover {
  border-color: rgba(22, 106, 94, .4);
}

.header-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(22, 106, 94, .12);
}

.header-search input {
  border: 0;
  background: transparent;
  width: 100%;
  font-size: 14px;
  outline: none;
}

.header-search button {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: background .2s;
}

.header-search button:hover {
  background: var(--primary-soft);
}

.header-search svg {
  width: 18px;
  height: 18px;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  color: var(--primary-ink);
  align-items: center;
  justify-content: center;
}

.nav-toggle svg {
  width: 22px;
  height: 22px;
}

.mobile-search {
  display: none;
  padding: 12px 16px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: var(--header-h);
  z-index: 55;
}

.mobile-search form {
  display: flex;
  gap: 8px;
}

.mobile-search input {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: var(--radius-input);
  padding: 8px 14px;
  background: var(--page-bg);
  outline: none;
}

.mobile-search input:focus {
  border-color: var(--primary);
}

.mobile-search button {
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-input);
  padding: 0 18px;
  font-weight: 600;
}

.page-hero {
  position: relative;
  background: linear-gradient(90deg, rgba(11, 59, 52, .88) 0%, rgba(11, 59, 52, .72) 48%, rgba(11, 59, 52, .5) 100%), url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
  color: #fff;
  padding-block: 100px;
  overflow: hidden;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: rgba(255, 255, 255, .76);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.breadcrumb svg {
  width: 14px;
  height: 14px;
}

.page-hero h1 {
  color: #fff;
  font-size: clamp(36px, 5vw, 62px);
  line-height: 1.22;
  letter-spacing: .02em;
  max-width: 800px;
  font-weight: 800;
}

.page-hero .hero-lead {
  margin-top: 22px;
  max-width: 680px;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .9);
}

.hero-tags {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-tags span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: var(--radius-pill);
  padding: 7px 14px;
  font-size: 14px;
}

.hero-tags svg {
  width: 16px;
  height: 16px;
  color: #FFD9B8;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
  margin-top: 46px;
}

.intro-grid .item {
  border-left: 2px solid rgba(255, 255, 255, .35);
  padding-left: 18px;
}

.intro-grid .num {
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  font-variant-numeric: tabular-nums;
}

.intro-grid .note {
  font-size: 14px;
  color: rgba(255, 255, 255, .78);
  margin-top: 2px;
}

.service-overview {
  background: var(--page-bg);
}

.overview-wrap {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 56px;
}

.overview-head {
  flex: 0 1 50%;
}

.overview-head h2 {
  font-size: clamp(24px, 3vw, 38px);
  color: var(--primary-ink);
  line-height: 1.4;
  margin: 12px 0 16px;
}

.overview-head p {
  color: var(--text-weak);
  max-width: 520px;
}

.card-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
}

.service-card {
  background: var(--card-bg);
  border: 1px solid rgba(28, 58, 50, .08);
  border-radius: var(--radius-card);
  padding: 30px 24px;
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: rgba(22, 106, 94, .32);
  box-shadow: var(--shadow-pop);
}

.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 11px;
  background: var(--primary-soft);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.card-icon svg {
  width: 23px;
  height: 23px;
}

.service-card h3 {
  color: var(--primary-ink);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.8;
}

.flow-container {
  background: #fff;
  border-top: 1px solid var(--line);
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  align-items: start;
  position: relative;
}

.flow-item {
  position: relative;
  padding-top: 16px;
}

.flow-item .step-num {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  opacity: .2;
  letter-spacing: .08em;
  border-bottom: 2px solid rgba(22, 106, 94, .18);
  padding-bottom: 14px;
}

.flow-item:hover .step-num {
  opacity: 1;
}

.flow-item h3 {
  font-size: 17px;
  color: var(--primary-ink);
  margin: 16px 0 10px;
}

.flow-item p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 4px;
}

.flow-line {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(22,106,94,.2) 0%, rgba(198,106,61,.25) 50%, rgba(22,106,94,.1) 100%);
  margin: 26px 0 0;
}

.contact-section {
  background: var(--page-bg);
}

.contact-stack {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 46px;
  align-items: stretch;
}

.contact-panel {
  background: #fff;
  border: 1px solid rgba(28, 58, 50, .08);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 34px;
}

.contact-panel h2,
.info-card h2 {
  font-size: 24px;
  color: var(--primary-ink);
  margin-bottom: 8px;
}

.contact-sub {
  color: var(--text-weak);
  margin-bottom: 26px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: block;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #33423B;
  margin-bottom: 7px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--page-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-input);
  padding: 11px 14px;
  font-size: 15px;
  outline: none;
  transition: border-color .2s, box-shadow .2s, background .2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(22, 106, 94, .12);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.btn-block {
  width: 100%;
  margin-top: 18px;
  font-size: 16px;
}

.form-note {
  font-size: 13px;
  color: var(--text-weak);
  margin-top: 12px;
  line-height: 1.6;
}

.info-card {
  background: var(--primary-ink);
  color: #fff;
  border-radius: var(--radius-card);
  padding: 34px 30px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.info-card::after {
  content: "";
  position: absolute;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  border: 45px solid rgba(255, 255, 255, .04);
  bottom: -90px;
  right: -70px;
}

.info-card h2 {
  color: #fff;
}

.info-card .contact-sub {
  color: rgba(255, 255, 255, .72);
  margin-bottom: 30px;
}

.info-list {
  margin-bottom: 26px;
  position: relative;
  z-index: 2;
}

.info-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  font-size: 15px;
}

.info-list li:last-child {
  border-bottom: 0;
}

.info-list .ic {
  color: #FFD9B8;
  width: 19px;
  height: 19px;
  flex-shrink: 0;
  margin-top: 4px;
}

.info-list .label {
  display: block;
  font-size: 12px;
  color: rgba(255, 255, 255, .55);
  margin-bottom: 1px;
}

.info-list .value {
  color: #fff;
  word-break: break-word;
}

.info-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
  position: relative;
  z-index: 2;
}

.btn-light {
  background: #fff;
  color: var(--primary-ink);
  border: 1px solid #fff;
}

.btn-light:hover {
  background: var(--primary-soft);
  border-color: var(--primary-soft);
  transform: translateY(-2px);
}

.btn-light-ghost {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .45);
  color: #fff;
}

.btn-light-ghost:hover {
  background: rgba(255, 255, 255, .16);
  border-color: #fff;
}

.info-visual {
  margin-top: 26px;
  position: relative;
  z-index: 2;
}

.info-visual img {
  border-radius: 10px;
  box-shadow: 0 16px 30px rgba(0, 0, 0, .22);
}

.batch {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(11, 59, 52, .78);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 8px;
}

.faq-block {
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
}

.faq-item {
  border: 1px solid rgba(28, 58, 50, .1);
  border-radius: var(--radius-card);
  background: var(--page-bg);
  overflow: hidden;
  margin-bottom: 16px;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  cursor: pointer;
  padding: 20px 22px;
  font-weight: 600;
  color: var(--primary-ink);
  background: #fff;
  list-style: none;
  transition: background .2s;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  background: var(--primary-soft);
}

.faq-item .plus {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary);
  transition: transform .25s;
}

.faq-item .plus svg {
  width: 13px;
  height: 13px;
}

.faq-item[open] summary {
  background: var(--primary-soft);
}

.faq-item[open] .plus {
  transform: rotate(45deg);
}

.faq-item .answer {
  padding: 4px 22px 22px;
  color: var(--text-weak);
  font-size: 15px;
  border-top: 0;
}

.cta-band {
  background: linear-gradient(135deg, var(--primary-ink) 0%, var(--primary-dark) 55%, var(--primary) 100%);
  border-radius: 0;
  color: #fff;
  text-align: center;
  padding: 76px 24px;
}

.cta-band .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-band h2 {
  font-size: clamp(26px, 4vw, 42px);
  color: #fff;
  line-height: 1.35;
  margin-bottom: 14px;
}

.cta-band p {
  color: rgba(255, 255, 255, .78);
  max-width: 660px;
  margin-bottom: 28px;
  font-size: 16px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.site-footer {
  background: #16312A;
  color: rgba(255, 255, 255, .76);
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 70px 0 30px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 48px;
  margin-bottom: 54px;
}

.footer-brand .brand-name {
  color: #fff;
}

.footer-brand .brand-mark {
  background: rgba(255, 255, 255, .14);
  color: #fff;
}

.footer-brand p {
  color: rgba(255, 255, 255, .64);
  font-size: 14px;
  max-width: 440px;
  margin-top: 20px;
  line-height: 1.9;
}

.footer-title {
  color: #fff;
  font-size: 15px;
  letter-spacing: .06em;
  margin-bottom: 22px;
  font-weight: 600;
}

.footer-links {
  display: grid;
  gap: 12px;
}

.footer-links a,
.footer-contact a {
  color: rgba(255, 255, 255, .64);
  font-size: 14px;
  line-height: 1.6;
  transition: color .2s ease, transform .2s ease;
  display: inline-block;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: #fff;
}

.footer-contact {
  display: grid;
  gap: 16px;
}

.fc-line {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: rgba(255, 255, 255, .62);
  font-size: 14px;
  line-height: 1.6;
}

.fc-line svg {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
  color: var(--accent);
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: rgba(255, 255, 255, .42);
  font-size: 13px;
  flex-wrap: wrap;
}

.footer-legal {
  display: flex;
  gap: 20px;
}

.empty-block {
  text-align: center;
  padding: 48px 24px;
}

.empty-block svg {
  width: 40px;
  height: 40px;
  color: var(--primary);
  margin: 0 auto 14px;
}

.empty-block h3 {
  color: var(--primary-ink);
  font-size: 17px;
  margin-bottom: 8px;
}

.empty-block p {
  color: var(--text-weak);
}

@media (max-width: 1100px) {
  .header-search {
    min-width: 150px;
  }

  .nav-list a {
    padding: 0 9px;
    font-size: 14px;
  }

  .overview-wrap {
    flex-direction: column;
    gap: 26px;
  }

  .overview-head {
    max-width: 720px;
  }
}

@media (max-width: 992px) {
  .section {
    padding-block: 64px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .header-search {
    width: 38px;
    min-width: 0;
    border: 0;
    padding: 0;
    justify-content: center;
    background: transparent;
  }

  .header-search input {
    display: none;
  }

  .header-search button {
    border: 1px solid var(--line);
    background: #fff;
  }

  .header-search button:hover {
    background: var(--primary-soft);
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: #fff;
    z-index: 70;
    border-bottom: 1px solid var(--line);
    width: 100%;
    box-shadow: 0 18px 30px rgba(27, 58, 49, .08);
    display: none;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .site-nav.open {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 0;
    padding: 12px 0 20px;
  }

  .nav-list a,
  .nav-list a.current {
    display: block;
    width: 100%;
    height: auto;
    line-height: 1.4;
    padding: 14px 24px;
    color: var(--primary-ink);
    border-bottom: 1px solid rgba(28, 58, 50, .06);
  }

  .nav-list a.current {
    color: var(--primary);
    background: var(--primary-soft);
  }

  .nav-list a:after {
    display: none;
  }

  .mobile-search {
    display: block;
  }

  .card-list,
  .flow-grid,
  .intro-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-top {
    grid-template-columns: repeat(2, 1fr);
    gap: 34px;
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .section {
    padding-block: 56px;
  }

  .contact-stack {
    grid-template-columns: 1fr;
  }

  .page-hero {
    padding-block: 72px;
  }

  .hero-actions {
    flex-wrap: wrap;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .intro-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 34px;
  }

  .overview-head p {
    font-size: 15px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .brand-name {
    font-size: 18px;
  }

  .brand-badge {
    display: none;
  }

  .card-list,
  .flow-grid,
  .intro-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-panel,
  .info-card {
    padding: 24px 20px;
  }

  .cta-band {
    padding: 56px 16px;
    border-radius: 0;
  }

  .hero-tags span {
    width: 100%;
    justify-content: flex-start;
  }

  .footer-legal {
    flex-direction: column;
    gap: 8px;
  }
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 1000;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 6px 0;
}

.skip-link:focus {
  left: 0;
}