/* roulang page: index */
:root{
  --ink:#0E2A24;
  --brand:#123F38;
  --brand-soft:#1E6A5C;
  --accent:#C05A2E;
  --amber:#D9A441;
  --paper:#F6F3EC;
  --card:#FFFFFF;
  --line:#E4DED2;
  --text:#23282A;
  --text-2:#5C6360;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(18,42,36,.06),0 12px 32px rgba(18,42,36,.08);
  --shadow-2:0 2px 6px rgba(18,42,36,.08),0 18px 44px rgba(18,42,36,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--brand-soft)}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);margin:0}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
.section{padding:96px 0}
.section-alt{background:var(--card)}
.section-ink{background:var(--ink);color:rgba(255,255,255,.78)}
.section-ink h2,.section-ink h3{color:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3vw,38px);line-height:1.3;font-weight:800;letter-spacing:.01em}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--accent);font-weight:700;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block}
.lead{color:var(--text-2);font-size:17px;max-width:720px}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--ink);color:rgba(255,255,255,.62);font-size:13px;line-height:1.6}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;flex-wrap:wrap}
.topbar a{color:rgba(255,255,255,.82)}
.topbar a:hover{color:var(--amber)}
.topbar-left{letter-spacing:.02em}
.topbar-right{display:flex;gap:20px;align-items:center}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:1030}
.main-nav{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:saturate(160%) blur(8px);transition:box-shadow .3s var(--ease)}
.main-nav.is-scrolled{box-shadow:0 8px 26px rgba(18,42,36,.10)}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:74px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:800;font-size:19px;color:var(--ink);letter-spacing:.01em}
.brand:hover{color:var(--ink)}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;font-family:var(--serif)}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:12px}
.nav-menu a{position:relative;font-size:15.5px;color:var(--text);padding:6px 0;font-weight:500}
.nav-menu a::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.nav-menu a:hover{color:var(--brand)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--brand);font-weight:700}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;width:44px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ============ 按钮 ============ */
.btn-main,.btn-outline,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  padding:14px 28px;border:0;cursor:pointer;text-align:center;
  transition:transform .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.btn-main{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(18,42,36,.16)}
.btn-main:hover{background:var(--brand-soft);color:#fff;transform:translate(2px,-2px);box-shadow:0 12px 26px rgba(18,42,36,.22)}
.btn-outline{background:#fff;color:var(--brand);border:1.5px solid var(--brand)}
.btn-outline:hover{background:var(--paper);color:var(--brand);transform:translate(2px,-2px)}
.btn-soft{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.34)}
.btn-soft:hover{background:rgba(255,255,255,.2);color:#fff;transform:translate(2px,-2px)}
.link-cta{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);padding-bottom:4px;position:relative}
.link-cta::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.link-cta:hover::after{transform:scaleX(1)}

/* ============ Hero ============ */
.hero{position:relative;background-image:linear-gradient(rgba(14,42,36,.72),rgba(14,42,36,.66)),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;color:#fff;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center;padding:104px 0 96px}
.hero-copy{max-width:640px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(217,164,65,.16);border:1px solid rgba(217,164,65,.5);color:var(--amber);font-size:13px;font-weight:700;letter-spacing:.08em;padding:7px 16px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:clamp(30px,4.2vw,56px);line-height:1.22;font-weight:800;letter-spacing:.02em;color:#fff;margin-bottom:18px}
.hero-sub{font-size:17.5px;line-height:1.85;color:rgba(255,255,255,.82);max-width:600px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.hero-stats{display:flex;gap:38px;flex-wrap:wrap;padding-top:26px;border-top:1px solid rgba(255,255,255,.18)}
.hero-stat b{display:block;font-family:var(--serif);font-size:30px;font-weight:800;color:#fff;letter-spacing:.02em;font-variant-numeric:tabular-nums}
.hero-stat span{display:block;font-size:13.5px;color:rgba(255,255,255,.66);margin-top:4px}
.hero-figure{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.30);border:1px solid rgba(255,255,255,.14)}
.hero-figure img{width:100%;height:100%;min-height:340px;object-fit:cover}
.hero-figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 20px;background:linear-gradient(to top,rgba(14,42,36,.86),rgba(14,42,36,0));font-size:13px;color:rgba(255,255,255,.86)}

/* ============ 卖点三连 ============ */
.points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0}
.point{padding:8px 34px 30px;border-top:2px solid var(--line);position:relative;transition:border-color .24s var(--ease),transform .24s var(--ease)}
.point:nth-child(2){margin-top:44px}
.point:nth-child(3){margin-top:88px}
.point:hover{border-top-color:var(--brand);transform:translateY(-4px)}
.point-num{font-family:var(--serif);font-size:36px;font-weight:800;color:var(--accent);line-height:1;margin:22px 0 16px;font-variant-numeric:tabular-nums}
.point h3{font-size:21px;font-weight:700;margin-bottom:12px}
.point p{color:var(--text-2);font-size:15.5px;line-height:1.8;margin-bottom:0}

/* ============ 场景演示 ============ */
.scene{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:56px;align-items:center;padding:44px 0;border-bottom:1px solid var(--line)}
.scene:last-child{border-bottom:0}
.scene.reverse .scene-media{order:2}
.scene-media img{width:100%;border-radius:var(--radius-img);box-shadow:var(--shadow-1);aspect-ratio:16/10;object-fit:cover}
.scene h3{font-size:23px;font-weight:700;margin-bottom:14px}
.scene p{color:var(--text-2);font-size:16px;line-height:1.85}
.scene ul{margin:18px 0 22px}
.scene li{position:relative;padding-left:26px;margin-bottom:10px;font-size:15.5px;color:var(--text)}
.scene li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--brand-soft);opacity:.85}
.scene-tag{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--brand-soft);background:rgba(30,106,92,.10);border-radius:999px;padding:5px 14px;margin-bottom:14px}

/* ============ 流程时间线 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;counter-reset:step}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 24px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-soft)}
.step-num{font-family:var(--serif);font-weight:800;font-size:15px;color:var(--accent);letter-spacing:.06em;margin-bottom:14px;display:block}
.step h3{font-size:19px;margin-bottom:10px}
.step p{font-size:15px;color:var(--text-2);line-height:1.78;margin-bottom:0}

/* ============ 最新信息（CMS） ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;display:flex;flex-direction:column;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-soft)}
.news-cover{display:block;overflow:hidden;aspect-ratio:16/10;background:var(--paper)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.badge-cat{align-self:flex-start;font-size:12.5px;font-weight:700;color:var(--brand-soft);background:rgba(30,106,92,.10);border-radius:999px;padding:4px 12px;margin-bottom:12px}
.news-body h3{font-size:19px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:var(--ink)}
.news-body h3 a:hover{color:var(--brand-soft)}
.news-body p{font-size:15px;color:var(--text-2);line-height:1.78;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px solid var(--line);font-size:13.5px;color:var(--text-2)}
.news-meta time{font-variant-numeric:tabular-nums}
.news-empty{background:var(--card);border:1px dashed var(--line);border-radius:var(--radius-card);padding:44px 28px;text-align:center;color:var(--text-2)}
.news-empty p{margin-bottom:16px}

/* ============ 社会认同 ============ */
.logo-wall{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;margin-bottom:52px}
.logo-item{border:1px solid var(--line);border-radius:12px;background:var(--card);min-height:76px;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:700;font-size:15px;color:#9AA39D;letter-spacing:.04em;transition:color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease)}
.logo-item:hover{color:var(--brand);border-color:var(--brand-soft);transform:translateY(-3px)}
.quotes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.quote{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:30px 26px;position:relative}
.quote::before{content:"“";font-family:var(--serif);font-size:56px;line-height:1;color:var(--amber);opacity:.6;position:absolute;top:12px;left:22px}
.quote p{position:relative;font-size:15.5px;line-height:1.85;color:var(--text);margin:26px 0 16px}
.quote span{font-size:13.5px;color:var(--text-2)}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;background:none;border:0;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:60px;padding:16px 4px;text-align:left;cursor:pointer;font-family:var(--serif);font-size:17.5px;font-weight:700;color:var(--ink);transition:color .24s var(--ease)}
.faq-q:hover{color:var(--brand-soft)}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--line);display:inline-flex;align-items:center;justify-content:center;transition:transform .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease)}
.faq-icon svg{width:12px;height:12px;stroke:var(--brand);stroke-width:2.4;fill:none}
.faq-item.open .faq-icon{transform:rotate(45deg);border-color:var(--accent);background:rgba(192,90,46,.08)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-item.open .faq-a{max-height:420px}
.faq-a-inner{padding:4px 4px 24px;color:var(--text-2);font-size:15.5px;line-height:1.85;background:transparent}
.faq-item.open .faq-a-inner{background:rgba(246,243,236,.7);border-radius:12px;padding:18px 22px 22px;margin-bottom:18px}

/* ============ CTA + 表单 ============ */
.cta-block{background-image:linear-gradient(rgba(14,42,36,.86),rgba(14,42,36,.86)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;color:#fff}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:56px;align-items:start}
.cta-grid h2{color:#fff;font-size:clamp(24px,3vw,36px);line-height:1.32;margin-bottom:16px}
.cta-grid p{color:rgba(255,255,255,.78);font-size:16.5px}
.cta-list{margin-top:26px}
.cta-list li{position:relative;padding-left:24px;margin-bottom:12px;color:rgba(255,255,255,.82);font-size:15.5px}
.cta-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--amber)}
.form-card{background:var(--card);border-radius:var(--radius-card);padding:32px 28px;box-shadow:var(--shadow-2)}
.form-card h3{font-size:21px;margin-bottom:6px}
.form-card .form-hint{font-size:13.5px;color:var(--text-2);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text);margin-bottom:7px}
.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius-btn);padding:0 14px;font-size:15px;color:var(--text);background:#fff;transition:border-color .24s var(--ease),box-shadow .24s var(--ease)}
.field input{height:44px}
.field textarea{min-height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,63,56,.14)}
.form-card .btn-main{width:100%;min-width:160px;margin-top:6px}
.form-note{font-size:12.5px;color:var(--text-2);margin-top:14px;margin-bottom:0}
.form-msg{margin-top:14px;font-size:14px;color:var(--accent);display:none}
.form-msg.show{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.66);padding:72px 0 0;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:52px}
.site-footer h4{color:#fff;font-size:16.5px;font-weight:700;margin-bottom:18px;font-family:var(--serif)}
.footer-brand{font-family:var(--serif);font-size:19px;font-weight:800;color:#fff;margin-bottom:14px;display:inline-flex;align-items:center;gap:10px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12)}
.site-footer p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62)}
.site-footer li{margin-bottom:10px}
.site-footer a{color:rgba(255,255,255,.72)}
.site-footer a:hover{color:var(--amber)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.5)}

/* ============ 移动端底部转化条 ============ */
.mobile-bar{display:none}
@media (max-width:1199.98px){
  .container{max-width:1000px}
  .hero-inner{gap:40px;padding:88px 0 80px}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .hero-inner{grid-template-columns:1fr;padding:72px 0 64px}
  .hero-figure img{min-height:260px}
  .points{grid-template-columns:1fr}
  .point{padding:8px 0 26px;border-top:2px solid var(--line)}
  .point:nth-child(2),.point:nth-child(3){margin-top:0}
  .scene{grid-template-columns:1fr;gap:28px;padding:34px 0}
  .scene.reverse .scene-media{order:0}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .logo-wall{grid-template-columns:repeat(3,minmax(0,1fr))}
  .quotes{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .nav-toggle{display:inline-flex}
  .nav-inner{position:relative;flex-wrap:wrap}
  .nav-right{margin-left:auto}
  .nav-menu{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 34px rgba(18,42,36,.12);flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 18px;margin-left:0;display:none}
  .nav-menu.open{display:flex}
  .nav-menu li{width:100%;border-bottom:1px solid var(--line)}
  .nav-menu li:last-child{border-bottom:0}
  .nav-menu a{display:block;padding:14px 0;font-size:16px}
  .nav-menu a::after{display:none}
  .nav-cta{display:none}
}
@media (max-width:767.98px){
  body{font-size:16px;padding-bottom:76px}
  .container{padding-left:18px;padding-right:18px}
  .section{padding:48px 0}
  .hero-inner{padding:56px 0 52px}
  .hero-stats{gap:24px}
  .hero-stat b{font-size:25px}
  .steps{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .logo-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section-head{margin-bottom:32px}
  .topbar-inner{justify-content:flex-start;gap:6px;padding:6px 0}
  .mobile-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;
    align-items:center;justify-content:space-between;gap:14px;
    padding:10px 18px calc(10px + env(safe-area-inset-bottom));
    min-height:56px;background:rgba(255,255,255,.94);border-top:1px solid var(--line);
    box-shadow:0 -8px 24px rgba(18,42,36,.10);backdrop-filter:blur(8px);
  }
  .mobile-bar span{font-size:13.5px;color:var(--text-2)}
  .mobile-bar .btn-main{padding:10px 20px;font-size:14px}
  .footer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .point:hover,.step:hover,.news-card:hover,.logo-item:hover{transform:none}
}
.reveal{opacity:0;transform:translateY(12px)}
.reveal.in{opacity:1;transform:none;transition:opacity .32s var(--ease),transform .32s var(--ease)}

/* roulang page: article */
:root{
  --ink:#0E2A24;
  --brand:#123F38;
  --brand-soft:#1E6A5C;
  --accent:#C05A2E;
  --amber:#D9A441;
  --paper:#F6F3EC;
  --card:#FFFFFF;
  --line:#E4DED2;
  --text:#23282A;
  --text-2:#5C6360;
  --radius:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(18,42,36,.06),0 12px 32px rgba(18,42,36,.08);
  --shadow-2:0 2px 6px rgba(18,42,36,.08),0 18px 44px rgba(18,42,36,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:-apple-system,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--accent)}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);margin:0;letter-spacing:.02em}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.container{width:100%;max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:767.98px){.container{padding-left:18px;padding-right:18px}}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--ink);color:rgba(255,255,255,.78);font-size:13px;line-height:1.6}
.topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.topbar-left{letter-spacing:.01em;color:rgba(255,255,255,.7)}
.topbar-right{display:flex;align-items:center;gap:18px}
.topbar-right a{color:rgba(255,255,255,.86)}
.topbar-right a:hover{color:var(--amber)}
@media (max-width:575.98px){.topbar-inner{justify-content:center;text-align:center}.topbar-left{display:none}}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:80}
.main-nav{background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .3s var(--ease),background .3s var(--ease)}
.site-header.scrolled .main-nav{box-shadow:0 10px 30px rgba(18,42,36,.10)}
.nav-inner{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.02em}
.brand:hover{color:var(--brand-soft)}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-size:18px;font-weight:800;flex:none}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-menu a{position:relative;display:inline-block;padding:26px 0;color:var(--text);font-size:15.5px;font-weight:500}
.nav-menu a::after{content:"";position:absolute;left:0;right:100%;bottom:16px;height:2px;background:var(--accent);transition:right .24s var(--ease)}
.nav-menu a:hover{color:var(--brand)}
.nav-menu a:hover::after{right:0}
.nav-menu a.active{color:var(--brand);font-weight:700}
.nav-menu a.active::after{right:0}
.nav-right{display:flex;align-items:center;gap:14px}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  padding:13px 26px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  transition:transform .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease),color .24s var(--ease);
}
.btn-main:hover{background:var(--brand-soft);border-color:var(--brand-soft);color:#fff;transform:translate(2px,-2px);box-shadow:0 12px 26px rgba(30,106,92,.26)}
.btn-main:active{transform:translate(0,0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;color:var(--brand);border:1.5px solid var(--brand);
  padding:12px 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  transition:background .24s var(--ease),transform .24s var(--ease),color .24s var(--ease);
}
.btn-ghost:hover{background:var(--paper);color:var(--brand);transform:translate(2px,-2px)}
.nav-cta{padding:11px 22px;font-size:14.5px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;width:18px;height:2px;background:var(--brand);border-radius:2px;transform:translateX(-50%);transition:transform .24s var(--ease)}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg);top:0}
.nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg);top:0}

@media (max-width:991.98px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-menu{
    position:absolute;left:-24px;right:-24px;top:100%;display:none;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    padding:6px 24px 20px;box-shadow:0 20px 36px rgba(18,42,36,.12);
  }
  .nav-menu.open{display:flex}
  .nav-menu li{border-bottom:1px solid var(--line)}
  .nav-menu li:last-child{border-bottom:none}
  .nav-menu a{padding:15px 0;font-size:16px}
  .nav-menu a::after{display:none}
  .nav-cta{display:none}
}
@media (max-width:575.98px){
  .nav-menu{left:-18px;right:-18px;padding:6px 18px 18px}
  .brand{font-size:17px}
}

/* ============ 阅读进度条 ============ */
.read-progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--accent);z-index:120;transition:width .1s linear}

/* ============ 文章头 ============ */
.article-hero{
  position:relative;color:#fff;padding:64px 0 56px;overflow:hidden;
  background-image:linear-gradient(rgba(14,42,36,.74),rgba(14,42,36,.78)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.article-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;
  background:linear-gradient(rgba(14,42,36,0),rgba(14,42,36,.35));
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;margin-bottom:26px;color:rgba(255,255,255,.72)}
.crumbs li{display:inline-flex;align-items:center;gap:10px}
.crumbs li:not(:last-child)::after{content:"/";color:rgba(255,255,255,.4)}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:var(--amber)}
.crumbs .current{color:rgba(255,255,255,.56);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  color:#fff;font-size:clamp(26px,3.6vw,46px);font-weight:800;line-height:1.28;
  max-width:900px;margin:16px 0 22px;
}
.badge-cat{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:13px;font-weight:600;letter-spacing:.04em;
  padding:6px 14px;border-radius:999px;
}
.badge-cat::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber)}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:rgba(255,255,255,.74)}
.article-meta .sep{width:1px;height:13px;background:rgba(255,255,255,.3);display:inline-block}
@media (max-width:575.98px){
  .article-hero{padding:44px 0 40px}
  .crumbs .current{white-space:normal}
  .article-meta{font-size:13px;gap:10px}
}

/* ============ 正文区 ============ */
.article-section{background:var(--paper);padding:56px 0 88px}
.article-shell{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);padding:52px 56px}
@media (max-width:991.98px){.article-shell{padding:34px 28px}}
@media (max-width:575.98px){.article-shell{padding:26px 18px;border-radius:var(--radius-sm)}}
.article-body{max-width:780px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--text)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.6em}
.article-body h2{
  position:relative;font-size:clamp(21px,2.3vw,30px);font-weight:800;line-height:1.36;
  margin:44px 0 18px;padding-left:18px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--accent)}
.article-body h3{font-size:20px;font-weight:700;margin:30px 0 12px;line-height:1.45}
.article-body h4{font-size:17.5px;font-weight:700;margin:24px 0 10px}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--accent)}
.article-body ul,.article-body ol{margin:0 0 1.6em;padding-left:0}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin-bottom:.7em}
.article-body ul li::before{content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand-soft)}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:0;
  font-size:13px;font-weight:700;color:var(--accent);font-family:var(--font-sans);line-height:2.1;
}
.article-body blockquote{
  margin:26px 0;padding:20px 26px;background:var(--paper);
  border-left:3px solid var(--brand);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-2);font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-sm);margin:26px auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:26px 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13.5px;color:var(--text-2)}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
.article-body thead th{background:var(--brand);color:#fff;font-weight:600}
.article-body tbody tr:nth-child(even){background:var(--paper)}
.article-body pre{background:var(--ink);color:#E7F1ED;padding:18px 20px;border-radius:var(--radius-sm);overflow:auto;font-size:14px;line-height:1.75;margin:24px 0}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;background:rgba(18,63,56,.07);padding:2px 6px;border-radius:6px;color:var(--brand)}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0}

.empty-state{max-width:620px;margin:0 auto;text-align:center;padding:36px 16px}
.empty-state h2{font-size:24px;margin-bottom:14px}
.empty-state p{color:var(--text-2);margin-bottom:24px}

/* ============ 文章尾部 ============ */
.article-foot{border-top:1px solid var(--line);margin-top:46px;padding-top:30px}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:26px}
.tag-label{font-size:13.5px;color:var(--text-2);margin-right:4px}
.tag-pill{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:var(--paper);border:1px solid var(--line);color:var(--text-2);font-size:13.5px;
  transition:color .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.tag-pill:hover{color:var(--brand);border-color:var(--brand-soft);background:#fff}
.post-switch{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:8px}
.post-switch a{
  display:block;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px 20px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.post-switch a:hover{transform:translateY(-4px);box-shadow:var(--shadow-1);border-color:var(--brand-soft)}
.post-switch span{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}
.post-switch strong{display:block;font-family:var(--font-serif);color:var(--ink);font-size:16px;line-height:1.5;font-weight:700}
@media (max-width:767.98px){.post-switch{grid-template-columns:1fr}}

/* ============ 继续了解 ============ */
.more-section{background:#fff;padding:80px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--accent);margin-bottom:12px}
.section-eyebrow::before{content:"";width:22px;height:2px;background:var(--accent)}
.section-head h2{font-size:clamp(23px,2.7vw,34px);font-weight:800;line-height:1.3}
.section-head p{color:var(--text-2);margin:10px 0 0;max-width:640px;font-size:15.5px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
@media (max-width:991.98px){.card-grid{grid-template-columns:repeat(2,1fr);gap:22px}}
@media (max-width:575.98px){.card-grid{grid-template-columns:1fr}}
.content-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-soft)}
.content-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper)}
.content-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.content-card:hover .thumb img{transform:scale(1.03)}
.content-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.chip{
  align-self:flex-start;display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(18,63,56,.08);color:var(--brand);margin-bottom:14px;
}
.content-card h3{font-size:18.5px;font-weight:700;line-height:1.5;margin-bottom:10px}
.content-card h3 a{color:inherit}
.content-card h3 a:hover{color:var(--brand)}
.content-card p{color:var(--text-2);font-size:14.5px;line-height:1.8;margin-bottom:18px;flex:1}
.card-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--brand)}
.card-link::after{content:"→";transition:transform .24s var(--ease)}
.card-link:hover{color:var(--accent)}
.card-link:hover::after{transform:translateX(4px)}

/* ============ CTA / 表单 ============ */
.cta-section{background:var(--ink);color:#fff;padding:84px 0}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
@media (max-width:991.98px){.cta-grid{grid-template-columns:1fr;gap:38px}}
.cta-section h2{color:#fff;font-size:clamp(24px,2.9vw,36px);font-weight:800;line-height:1.32;margin-bottom:16px}
.cta-section p{color:rgba(255,255,255,.76);font-size:16px;max-width:560px}
.cta-points{margin-top:22px;display:grid;gap:12px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.82);font-size:15px}
.cta-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--amber);margin-top:11px;flex:none}
.form-card{background:#fff;border-radius:var(--radius);padding:32px;box-shadow:0 24px 60px rgba(0,0,0,.22)}
.form-card h3{font-size:20px;font-weight:800;margin-bottom:6px}
.form-card .hint{color:var(--text-2);font-size:14px;margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:12px 14px;font-size:15px;color:var(--text);background:#fff;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.field input{height:44px}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,63,56,.14)}
.form-card .btn-main{width:100%;min-width:160px}
.form-note{margin-top:14px;font-size:13px;color:var(--text-2)}
.form-msg{margin-top:12px;font-size:14px;color:var(--accent);display:none}
.form-msg.show{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 26px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;gap:26px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:18px;font-weight:800;color:#fff;margin-bottom:14px}
.site-footer h4{color:#fff;font-size:15.5px;font-weight:700;margin-bottom:16px;font-family:var(--font-sans)}
.site-footer ul li{margin-bottom:10px;line-height:1.7}
.site-footer a{color:rgba(255,255,255,.72)}
.site-footer a:hover{color:var(--amber)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.56);
}

/* ============ 移动端固定转化条 ============ */
.mobile-cta{display:none}
@media (max-width:767.98px){
  body{padding-bottom:76px}
  .mobile-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:90;
    min-height:56px;align-items:center;justify-content:space-between;gap:14px;
    padding:8px 16px calc(8px + env(safe-area-inset-bottom));
    background:rgba(255,255,255,.96);backdrop-filter:blur(6px);
    border-top:1px solid var(--line);
  }
  .mobile-cta span{font-size:13.5px;color:var(--text-2);line-height:1.4}
  .mobile-cta .btn-main{padding:11px 20px;font-size:14.5px;white-space:nowrap}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .content-card:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --ink:#0E2A24;
  --brand:#123F38;
  --brand-soft:#1E6A5C;
  --accent:#C05A2E;
  --amber:#D9A441;
  --paper:#F6F3EC;
  --card:#FFFFFF;
  --line:#E4DED2;
  --text:#23282A;
  --text-2:#5C6360;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(18,42,36,.06),0 12px 32px rgba(18,42,36,.08);
  --shadow-hover:0 2px 4px rgba(18,42,36,.08),0 18px 40px rgba(18,42,36,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:-apple-system,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  --sec:96px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color 220ms var(--ease)}
a:hover{color:var(--brand-soft)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.container{width:100%;padding-left:24px;padding-right:24px;margin:0 auto}
@media (min-width:1200px){.container{max-width:1200px}}
@media (min-width:1440px){.container{max-width:1320px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.72);font-size:13px;line-height:1.5}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:38px;gap:16px}
.topbar-left{letter-spacing:.01em}
.topbar-right{display:flex;gap:20px;align-items:center;white-space:nowrap}
.topbar-right a{color:rgba(255,255,255,.85);position:relative}
.topbar-right a:hover{color:#fff}
.topbar-right a::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform 240ms var(--ease)}
.topbar-right a:hover::after{transform:scaleX(1)}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:1000}
.main-nav{background:#fff;border-bottom:1px solid var(--line);transition:box-shadow 260ms var(--ease),background 260ms var(--ease)}
.main-nav.scrolled{box-shadow:0 6px 24px rgba(18,42,36,.10)}
.nav-inner{display:flex;align-items:center;gap:32px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-weight:900;font-size:20px;color:var(--ink);letter-spacing:.01em;white-space:nowrap}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:900;
  font-family:var(--serif);flex:0 0 auto;
}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-menu a{
  display:inline-block;padding:6px 0;font-size:15.5px;color:var(--text);font-weight:500;position:relative;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform 240ms var(--ease);
}
.nav-menu a:hover{color:var(--brand)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--brand);font-weight:700}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:16px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;
  align-items:center;justify-content:center;cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);position:relative;transition:background 200ms}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);transition:transform 240ms var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;border:none;border-radius:var(--radius-btn);
  padding:14px 28px;font-size:16px;font-weight:600;line-height:1.4;cursor:pointer;
  transition:background 240ms var(--ease),transform 240ms var(--ease),box-shadow 240ms var(--ease);
  box-shadow:0 6px 18px rgba(18,63,56,.18);text-decoration:none;
}
.btn-main:hover,.btn-main:focus{background:var(--brand-soft);color:#fff;transform:translate(2px,-2px);box-shadow:0 12px 26px rgba(18,63,56,.26)}
.btn-main:focus-visible,.btn-ghost:focus-visible,.link-cta:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.btn-main.nav-cta{padding:10px 20px;font-size:15px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--brand);border:1.5px solid var(--brand);border-radius:var(--radius-btn);
  padding:12.5px 26px;font-size:16px;font-weight:600;line-height:1.4;cursor:pointer;text-decoration:none;
  transition:background 240ms var(--ease),color 240ms var(--ease),transform 240ms var(--ease);
}
.btn-ghost:hover{background:var(--paper);color:var(--brand);transform:translate(2px,-2px)}
.link-cta{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);position:relative;font-size:15.5px;
}
.link-cta::after{content:"";position:absolute;left:0;bottom:-4px;width:8px;height:2px;background:var(--accent);transition:width 240ms var(--ease)}
.link-cta:hover::after{width:100%}

/* ---------- HERO ---------- */
.page-hero{
  position:relative;color:#fff;padding:56px 0 64px;min-height:320px;overflow:hidden;
  background-image:linear-gradient(115deg,rgba(14,42,36,.82),rgba(18,63,56,.66)),url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
}
.page-hero h1{
  color:#fff;font-size:clamp(28px,3.6vw,46px);font-weight:800;line-height:1.24;letter-spacing:.02em;
  max-width:820px;margin-bottom:18px;
}
.hero-sub{max-width:680px;font-size:17px;color:rgba(255,255,255,.86);line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px}
.page-hero .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.page-hero .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.hero-note{margin-top:28px;font-size:13.5px;color:rgba(255,255,255,.7);letter-spacing:.02em}
.breadcrumb-line{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.68);margin-bottom:22px}
.breadcrumb-line a{color:rgba(255,255,255,.85)}
.breadcrumb-line a:hover{color:#fff}
.breadcrumb-line .current{color:rgba(255,255,255,.62)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0}
.section-white{background:#fff}
.section-paper{background:var(--paper)}
.sec-head{max-width:760px;margin-bottom:48px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--accent);text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block}
.sec-head h2{font-size:clamp(23px,2.7vw,36px);font-weight:800;line-height:1.32;color:var(--ink)}
.sec-head p{margin-top:16px;color:var(--text-2);font-size:16.5px}
.sec-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none}

/* ---------- 概览 ---------- */
.overview-text p{font-size:17px;color:var(--text);margin-bottom:22px}
.overview-text p:last-child{margin-bottom:0}
.overview-figure{position:relative}
.overview-figure img{width:100%;border-radius:var(--radius-img);aspect-ratio:16/10;object-fit:cover;box-shadow:var(--shadow-card)}
.overview-figure figcaption{margin-top:12px;font-size:13.5px;color:var(--text-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;background:#fff;
  border:1px solid var(--line);color:var(--brand);font-size:13.5px;font-weight:600;
}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:56px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
}
.stat{padding:26px 24px;border-left:1px solid var(--line)}
.stat:first-child{border-left:none}
.stat-num{font-family:var(--serif);font-size:32px;font-weight:900;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums}
.stat-unit{font-size:14px;color:var(--accent);font-weight:700;margin-left:4px}
.stat-label{display:block;margin-top:8px;font-size:13.5px;color:var(--text-2)}

/* ---------- 适用对象 ---------- */
.who-row{align-items:center;margin-bottom:72px}
.who-row:last-child{margin-bottom:0}
.who-figure img{width:100%;border-radius:var(--radius-img);aspect-ratio:16/10;object-fit:cover;box-shadow:var(--shadow-card)}
.who-body h3{font-size:22px;font-weight:700;margin-bottom:18px;color:var(--ink)}
.check-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--line);font-size:16px;color:var(--text)}
.check-list li:last-child{border-bottom:none}
.check-mark{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:rgba(30,106,92,.1);
  display:flex;align-items:center;justify-content:center;margin-top:4px;
}
.check-mark svg{width:12px;height:12px;stroke:var(--brand-soft);stroke-width:2.6;fill:none}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:56px;max-width:940px}
.timeline::before{content:"";position:absolute;left:23px;top:14px;bottom:14px;width:2px;background:var(--line)}
.tl-item{position:relative;padding:0 0 44px 76px}
.tl-item:last-child{padding-bottom:0}
.tl-node{
  position:absolute;left:0;top:-2px;width:48px;height:48px;border-radius:50%;background:#fff;
  border:2px solid var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-weight:900;font-size:16px;font-variant-numeric:tabular-nums;
  box-shadow:0 4px 12px rgba(18,42,36,.08);
}
.tl-item h3{font-size:20px;font-weight:700;margin-bottom:10px;color:var(--ink)}
.tl-item p{font-size:16px;color:var(--text-2);max-width:720px}

/* ---------- 交付清单横条 ---------- */
.deliver-list{margin-top:48px;border-top:1px solid var(--line)}
.deliver-row{
  display:grid;grid-template-columns:72px 1fr;gap:24px;align-items:start;
  padding:26px 0 26px 22px;border-bottom:1px solid var(--line);position:relative;
  transition:background 240ms var(--ease),padding-left 240ms var(--ease);
}
.deliver-row::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:4px;background:var(--accent);
  border-radius:2px;opacity:0;transition:opacity 240ms var(--ease);
}
.deliver-row:hover{background:#fff}
.deliver-row:hover::before{opacity:1}
.deliver-no{font-family:var(--serif);font-weight:900;font-size:22px;color:var(--accent);line-height:1.3;font-variant-numeric:tabular-nums}
.deliver-row h3{font-size:19px;font-weight:700;margin-bottom:6px;color:var(--ink)}
.deliver-row p{font-size:15.5px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-wrap{margin-top:44px;max-width:900px}
.faq-item{border-bottom:1px solid var(--line);background:transparent}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;background:transparent;border:none;padding:0;min-height:64px;display:flex;align-items:center;
  justify-content:space-between;gap:20px;text-align:left;cursor:pointer;color:var(--ink);
  font-family:var(--serif);font-size:18px;font-weight:700;line-height:1.5;
}
.faq-q:hover{color:var(--brand-soft)}
.faq-icon{flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;transition:transform 280ms var(--ease),border-color 240ms var(--ease),background 240ms var(--ease)}
.faq-icon svg{width:13px;height:13px;stroke:var(--brand);stroke-width:2.4;fill:none}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);border-color:var(--brand)}
.faq-item.open .faq-icon svg{stroke:#fff}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 320ms var(--ease)}
.faq-a>div{overflow:hidden}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a p{padding:0 0 26px;font-size:16px;color:var(--text-2);max-width:800px}

/* ---------- CTA 表单 ---------- */
.cta-band{
  background:linear-gradient(140deg,var(--brand) 0%,var(--ink) 100%);color:#fff;padding:var(--sec) 0;
}
.cta-band h2{color:#fff;font-size:clamp(23px,2.7vw,36px);font-weight:800;line-height:1.32}
.cta-band .cta-lead{margin-top:18px;color:rgba(255,255,255,.78);font-size:16.5px;max-width:520px}
.cta-points{margin-top:32px;display:flex;flex-direction:column;gap:14px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.85);font-size:15.5px}
.cta-points .dot{flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:var(--amber);margin-top:9px}
.form-card{
  background:#fff;border-radius:var(--radius-card);padding:34px;box-shadow:0 24px 60px rgba(0,0,0,.22);
}
.form-card h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:44px;border:1px solid var(--line);border-radius:10px;padding:0 14px;background:#fff;
  color:var(--text);transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(30,106,92,.16);
}
.field input::placeholder,.field textarea::placeholder{color:#9AA29E}
.form-card .btn-main{width:100%;min-width:160px;margin-top:8px}
.form-tip{margin-top:14px;font-size:14px;color:var(--brand-soft);display:none}
.form-tip.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 26px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-weight:900;font-size:19px;color:#fff;margin-bottom:18px}
.footer-brand .brand-mark{background:var(--brand-soft)}
.site-footer h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;font-family:var(--serif)}
.site-footer p{color:rgba(255,255,255,.65);font-size:14.5px;line-height:1.85;max-width:340px}
.site-footer ul li{margin-bottom:11px;font-size:14.5px}
.site-footer a{color:rgba(255,255,255,.72)}
.site-footer a:hover{color:#fff}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ---------- 移动底部条 ---------- */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1100;height:56px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-top:1px solid var(--line);
  align-items:center;justify-content:space-between;gap:14px;padding:0 18px;
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-cta span{font-size:13.5px;color:var(--text-2);line-height:1.4}
.mobile-cta .btn-main{padding:9px 18px;font-size:14.5px}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 320ms var(--ease),transform 320ms var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec:80px}
}
@media (max-width:991px){
  :root{--sec:64px}
  .nav-toggle{display:flex}
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;background:#fff;flex-direction:column;align-items:stretch;
    gap:0;margin:0;padding:8px 24px 24px;border-bottom:1px solid var(--line);
    box-shadow:0 18px 32px rgba(18,42,36,.12);display:none;
  }
  .nav-menu.open{display:flex}
  .nav-menu a{padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .nav-menu a::after{display:none}
  .main-nav .nav-inner{position:relative}
  .nav-right .nav-cta{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{border-top:1px solid var(--line)}
  .stat:nth-child(1),.stat:nth-child(2){border-top:none}
  .stat:nth-child(odd){border-left:none}
  .sec-head.split{flex-direction:column;align-items:flex-start;gap:16px}
}
@media (max-width:767px){
  :root{--sec:48px}
  body{padding-bottom:76px;font-size:15.5px}
  .topbar-left{display:none}
  .topbar-inner{justify-content:flex-end}
  .brand{font-size:18px}
  .nav-inner{min-height:64px}
  .page-hero{padding:42px 0 48px;min-height:0}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .overview-figure{margin-top:32px}
  .who-row{margin-bottom:48px}
  .who-row .who-figure{margin-bottom:24px}
  .timeline::before{left:19px}
  .tl-item{padding-left:60px}
  .tl-node{width:40px;height:40px;font-size:14px}
  .deliver-row{grid-template-columns:52px 1fr;gap:16px;padding-left:16px}
  .form-card{padding:24px;margin-top:32px}
  .mobile-cta{display:flex}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:519px){
  .stats{grid-template-columns:1fr}
  .stat{border-left:none;border-top:1px solid var(--line)}
  .stat:first-child{border-top:none}
  .faq-q{font-size:16.5px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#0E2A24;
  --brand:#123F38;
  --brand-soft:#1E6A5C;
  --accent:#C05A2E;
  --amber:#D9A441;
  --paper:#F6F3EC;
  --card:#FFFFFF;
  --line:#E4DED2;
  --text:#23282A;
  --text-2:#5C6360;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(18,42,36,.06),0 12px 32px rgba(18,42,36,.08);
  --shadow-hover:0 1px 2px rgba(18,42,36,.08),0 18px 40px rgba(18,42,36,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:-apple-system,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--accent)}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1600px){.container{max-width:1320px}}

/* ===== 顶部信息条与导航 ===== */
.site-header{position:relative;z-index:1030}
.topbar{background:var(--ink);color:rgba(255,255,255,.72);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;flex-wrap:wrap}
.topbar-left{letter-spacing:.01em}
.topbar-right{display:flex;align-items:center;gap:20px}
.topbar-right a{color:rgba(255,255,255,.72);font-size:13px}
.topbar-right a:hover{color:#fff}
.main-nav{
  position:sticky;top:0;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.main-nav.is-stuck{box-shadow:0 10px 28px rgba(18,42,36,.09)}
.nav-inner{display:flex;align-items:center;gap:32px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-weight:800;font-size:19px;color:var(--ink);letter-spacing:.02em;white-space:nowrap}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:16px;font-weight:800;letter-spacing:0;
}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-menu a{
  position:relative;display:inline-block;padding:6px 0;
  color:var(--text);font-size:15px;font-weight:500;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-menu a:hover{color:var(--brand)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--brand);font-weight:700}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 28px;border-radius:var(--radius-btn);
  background:var(--brand);color:#fff;border:1.5px solid var(--brand);
  font-size:15px;font-weight:600;font-family:var(--font-sans);
  cursor:pointer;transition:transform .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.btn-main:hover{background:var(--brand-soft);border-color:var(--brand-soft);color:#fff;transform:translate(2px,-2px);box-shadow:0 12px 24px rgba(18,42,36,.18)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 28px;border-radius:var(--radius-btn);
  background:#fff;color:var(--brand);border:1.5px solid var(--brand);
  font-size:15px;font-weight:600;font-family:var(--font-sans);cursor:pointer;
  transition:background .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-ghost:hover{background:var(--paper);color:var(--brand);transform:translate(2px,-2px);box-shadow:0 10px 22px rgba(18,42,36,.12)}
.nav-cta{padding:11px 22px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1.5px solid var(--line);border-radius:10px;
  background:#fff;position:relative;cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--brand);border-radius:2px;
  transform:translateX(-50%);transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.nav-toggle span{top:21px}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg);top:0}
.nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg);top:0}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;
}

/* ===== 面包屑 ===== */
.crumb-bar{background:var(--paper);border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);padding:14px 0}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.5}
.crumb .now{color:var(--text-2)}

/* ===== Hero ===== */
.cat-hero{padding:56px 0 72px;background:var(--paper);position:relative;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;right:-160px;top:-140px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(30,106,92,.10),rgba(30,106,92,0) 68%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--accent);margin-bottom:18px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,54px);font-weight:800;line-height:1.22;letter-spacing:.02em;margin-bottom:18px;
}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.pill-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.pill-nav a{
  display:inline-flex;align-items:center;padding:8px 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:14px;
  transition:border-color .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
.pill-nav a:hover{border-color:var(--brand-soft);color:var(--brand);transform:translateY(-2px)}
.hero-figure{margin:0;border-radius:var(--radius-card);overflow:hidden;background:var(--card);box-shadow:var(--shadow-card);border:1px solid var(--line)}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-figure figcaption{padding:14px 20px;font-size:13px;color:var(--text-2);border-top:1px solid var(--line);background:#fff}

/* ===== 通用板块 ===== */
.section{padding:96px 0}
.section--white{background:#fff}
.section--paper{background:var(--paper)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,3vw,38px);font-weight:800;line-height:1.3;margin-bottom:16px}
.section-head p{color:var(--text-2);font-size:16px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ===== 对照清单 ===== */
.compare-list{border-top:1px solid var(--line)}
.compare-row{
  display:grid;grid-template-columns:minmax(180px,280px) 1fr;gap:40px;
  padding:24px 0;border-bottom:1px solid var(--line);
}
.compare-row dt{
  font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--brand);line-height:1.5;
}
.compare-row dd{margin:0;color:var(--text-2);font-size:16px}
.compare-row:hover dt{color:var(--accent)}

/* ===== 图文卡 ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.media-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  display:flex;flex-direction:column;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-soft)}
.media-card .thumb{overflow:hidden}
.media-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .32s var(--ease)}
.media-card:hover .thumb img{transform:scale(1.03)}
.media-card .body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(30,106,92,.10);color:var(--brand-soft);border:1px solid rgba(30,106,92,.22);
}
.badge--accent{background:rgba(192,90,46,.10);color:var(--accent);border-color:rgba(192,90,46,.24)}
.media-card h3{font-size:20px;font-weight:700;line-height:1.45}
.media-card p{color:var(--text-2);font-size:15px}
.text-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);
}
.text-link::after{
  content:"";width:8px;height:8px;border-top:2px solid currentColor;border-right:2px solid currentColor;
  transform:rotate(45deg);transition:transform .24s var(--ease);
}
.text-link:hover{color:var(--accent)}
.text-link:hover::after{transform:translateX(3px) rotate(45deg)}

/* ===== 协作节奏数据行 ===== */
.stat-row{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{flex:1 1 220px;padding:28px 32px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat .num{
  font-family:var(--font-serif);font-size:38px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.1;letter-spacing:.01em;
}
.stat .num em{font-style:normal;font-size:17px;color:var(--accent);margin-left:4px;font-weight:700}
.stat .cap{margin-top:8px;font-size:14px;color:var(--text-2)}
.stat .cap strong{display:block;color:var(--ink);font-size:15px;font-weight:700;margin-bottom:4px}

/* ===== 适用对象 ===== */
.fit-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.check-list{display:grid;gap:16px}
.check-list li{position:relative;padding-left:36px;color:var(--text-2);font-size:16px}
.check-list li::before{
  content:"";position:absolute;left:0;top:4px;width:22px;height:22px;border-radius:50%;
  background:rgba(30,106,92,.10);border:1px solid rgba(30,106,92,.28);
}
.check-list li::after{
  content:"";position:absolute;left:8px;top:10px;width:5px;height:9px;
  border-right:2px solid var(--brand-soft);border-bottom:2px solid var(--brand-soft);
  transform:rotate(45deg);
}
.check-list li strong{color:var(--ink);font-weight:700}

/* ===== FAQ ===== */
.faq-wrap{max-width:880px;margin:0 auto}
.faq .accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  margin-bottom:14px;overflow:hidden;box-shadow:0 1px 2px rgba(18,42,36,.05);
}
.faq .accordion-button{
  display:flex;align-items:center;gap:16px;
  width:100%;min-height:60px;padding:16px 22px;
  background:#fff;color:var(--ink);font-family:var(--font-serif);font-size:18px;font-weight:700;
  border:0;box-shadow:none;
}
.faq .accordion-button:not(.collapsed){background:var(--paper);color:var(--brand)}
.faq .accordion-button:focus{box-shadow:none;border:0}
.faq .accordion-button::after{display:none}
.acc-icon{position:relative;width:18px;height:18px;flex:0 0 18px;margin-left:auto}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.acc-icon::before{left:0;right:0;top:8px;height:2px}
.acc-icon::after{top:0;bottom:0;left:8px;width:2px}
.faq .accordion-button:not(.collapsed) .acc-icon::after{transform:scaleY(0);opacity:0}
.faq .accordion-body{padding:4px 22px 22px;color:var(--text-2);font-size:16px;background:var(--paper)}

/* ===== CTA 与表单 ===== */
.cta-block{background:var(--ink);color:rgba(255,255,255,.78);padding:88px 0}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.cta-block h2{color:#fff;font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.3;margin-bottom:18px}
.cta-block p{color:rgba(255,255,255,.72);font-size:16px;max-width:520px}
.cta-meta{margin-top:32px;display:grid;gap:14px;max-width:420px}
.cta-meta li{
  display:flex;justify-content:space-between;gap:16px;
  padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.14);
  font-size:14px;color:rgba(255,255,255,.66);
}
.cta-meta li strong{color:#fff;font-weight:600}
.lead-form{
  background:#fff;border-radius:var(--radius-card);padding:32px;
  box-shadow:0 24px 60px rgba(0,0,0,.24);
}
.lead-form .form-title{font-family:var(--font-serif);font-size:20px;font-weight:800;color:var(--ink);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input,.field textarea{
  width:100%;min-height:44px;padding:11px 14px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;color:var(--text);
  font-family:var(--font-sans);font-size:15px;line-height:1.6;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(30,106,92,.16);
}
.field input::placeholder,.field textarea::placeholder{color:#9AA19E}
.btn-block{width:100%;min-width:160px}
.form-note{margin-top:14px;font-size:14px;color:var(--accent)}
.form-hint{margin-top:14px;font-size:13px;color:var(--text-2)}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{
  display:flex;align-items:center;gap:10px;font-family:var(--font-serif);
  font-size:19px;font-weight:800;color:#fff;margin-bottom:16px;
}
.footer-brand .brand-mark{background:rgba(255,255,255,.12)}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;font-family:var(--font-sans)}
.site-footer p{font-size:14px;color:rgba(255,255,255,.66);max-width:360px}
.site-footer ul{display:grid;gap:10px}
.site-footer ul a,.site-footer ul li{font-size:14px;color:rgba(255,255,255,.66)}
.site-footer ul a:hover{color:#fff}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.54);
}

/* ===== 动效 ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .nav-inner{gap:24px}
  .nav-menu{gap:22px}
}
@media (max-width:991px){
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:6px 24px 20px;
    border-bottom:1px solid var(--line);box-shadow:0 18px 32px rgba(18,42,36,.12);
    margin-left:0;
  }
  .nav-menu.open{display:flex}
  .nav-menu li{border-bottom:1px solid var(--line)}
  .nav-menu li:last-child{border-bottom:0}
  .nav-menu a{display:block;padding:15px 0;font-size:16px}
  .nav-menu a::after{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .section{padding:64px 0}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .fit-grid{grid-template-columns:1fr;gap:32px}
  .cta-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .compare-row{grid-template-columns:1fr;gap:8px}
  .stat{border-left:0;padding:22px 0;border-top:1px solid var(--line)}
  .stat:first-child{padding-left:0;border-top:0}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px}
  .cat-hero{padding:36px 0 52px}
  .section{padding:48px 0}
  .card-grid{grid-template-columns:1fr}
  .hero-sub{font-size:16px}
  .stat .num{font-size:32px}
  .lead-form{padding:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1 !important;transform:none !important}
}