/* roulang page: index */
:root{
  --brand-900:#0B3E36;
  --brand-700:#0E6B5C;
  --brand-300:#9CCBBE;
  --brand-050:#E6F2EE;
  --accent-500:#E4622F;
  --accent-200:#F7D9C4;
  --bg-paper:#F6F1E7;
  --bg-ease:#F1EDE3;
  --bg-card:#FFFFFF;
  --ink-900:#16211E;
  --ink-600:#4A5A55;
  --line:#E3DED2;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(16,33,29,.06), 0 10px 26px -14px rgba(16,33,29,.20);
  --shadow-2:0 2px 6px rgba(16,33,29,.08), 0 20px 44px -20px rgba(16,33,29,.30);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-top:72px;
  padding-bottom:80px;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--bg-paper);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-700);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-900)}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid rgba(14,107,92,.32);
  outline-offset:2px;
  border-radius:6px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.row{margin-left:-12px;margin-right:-12px}
.row > [class*="col"]{padding-left:12px;padding-right:12px}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(255,255,255,.74);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-stuck{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 28px -22px rgba(16,33,29,.55);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:21px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em}
.brand:hover{color:var(--ink-900)}
.brand-dot{width:12px;height:12px;border-radius:50%;background:var(--accent-500);box-shadow:0 0 0 4px rgba(228,98,47,.16)}
.brand-suffix{font-size:12.5px;font-weight:600;color:var(--brand-700);background:var(--brand-050);border:1px solid var(--brand-300);border-radius:999px;padding:3px 9px;letter-spacing:.04em}
.nav-pill{display:flex;align-items:center;gap:2px;background:var(--bg-ease);border-radius:999px;padding:5px}
.nav-pill .nav-link{display:inline-block;font-size:15px;color:var(--ink-600);padding:8px 16px;border-radius:999px;white-space:nowrap;transition:all var(--ease)}
.nav-pill .nav-link:hover{color:var(--brand-900)}
.nav-pill .nav-link.active{background:#fff;color:var(--brand-900);font-weight:600;box-shadow:0 1px 2px rgba(16,33,29,.08),0 8px 18px -12px rgba(16,33,29,.35)}
.nav-right{display:flex;align-items:center;gap:10px}
.hamburger{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;display:inline-flex;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0;cursor:pointer;transition:all var(--ease)}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-900)}
.hamburger:hover{border-color:var(--brand-300);background:var(--brand-050)}
.drawer{width:320px;max-width:86vw;background:var(--bg-paper);border-left:1px solid var(--line)!important}
.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.drawer .offcanvas-title{font-size:18px;font-weight:800;color:var(--ink-900)}
.drawer .offcanvas-body{padding:22px}
.drawer-link{display:block;font-size:16px;color:var(--ink-900);padding:13px 14px;border-radius:12px;margin-bottom:6px;transition:all var(--ease)}
.drawer-link:hover{background:var(--brand-050);color:var(--brand-900)}
.drawer-link.active{background:#fff;border:1px solid var(--line);font-weight:600;color:var(--brand-900)}
.drawer-divider{height:1px;background:var(--line);margin:16px 0}
.drawer-note{font-size:13px;color:var(--ink-600);line-height:1.75}

/* ---------- 按钮 ---------- */
.btn-primary-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand-700);color:#fff;border:1px solid transparent;
  padding:11px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
  transition:all var(--ease);
}
.btn-primary-c:hover,.btn-primary-c:focus{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -16px rgba(11,62,54,.85)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--brand-900);border:1px solid var(--line);
  padding:11px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
  transition:all var(--ease);
}
.btn-ghost:hover,.btn-ghost:focus{color:var(--brand-700);border-color:var(--brand-700);transform:translateY(-2px)}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent-500);color:#fff;border:1px solid transparent;
  padding:10px 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1.4;cursor:pointer;transition:all var(--ease);
}
.btn-accent:hover,.btn-accent:focus{background:#cf5325;color:#fff;transform:translateY(-2px)}
.btn-lg-c{padding:14px 28px;font-size:16px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand-700);font-size:15px}
.link-more:hover{gap:10px;color:var(--brand-900)}
.link-more .arw{transition:transform var(--ease)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.08em;color:var(--brand-700);background:var(--brand-050);border:1px solid var(--brand-300);border-radius:999px;padding:5px 13px}
.sec-head{max-width:660px;margin-bottom:44px}
.sec-title{font-size:30px;line-height:1.35;margin:14px 0 12px}
.sec-desc{color:var(--ink-600);font-size:16px;max-width:38em}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:68px 0 92px;background:var(--bg-paper)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(900px 460px at 80% 12%, rgba(156,203,190,.38), transparent 62%),
    radial-gradient(720px 400px at 6% 92%, rgba(247,217,196,.42), transparent 64%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(11,62,54,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(11,62,54,.05) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 78%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 78%);
}
.hero .container{position:relative;z-index:1}
.hero-title{font-size:clamp(30px,4.2vw,50px);line-height:1.25;margin:18px 0 16px}
.hero-sub{font-size:17px;color:var(--ink-600);max-width:36em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:var(--ink-600)}
.hero-trust li{display:flex;align-items:center;gap:8px}
.hero-trust li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-300);flex:0 0 auto}
.hero-visual{position:relative;padding-bottom:26px}
.hero-visual > img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.hero-mini{
  position:absolute;right:-6px;bottom:0;width:38%;
  border-radius:var(--radius-img);overflow:hidden;border:5px solid #fff;
  box-shadow:0 22px 40px -22px rgba(16,33,29,.55);
}
.hero-mini img{width:100%;aspect-ratio:1/1;object-fit:cover}
.hero-badge{
  position:absolute;left:18px;top:18px;background:rgba(255,255,255,.92);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;
  font-size:12.5px;font-weight:600;color:var(--brand-900);
}

/* ---------- 分类入口条 ---------- */
.cat-strip{padding-bottom:16px}
.strip-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.strip-item{
  display:flex;align-items:center;gap:14px;background:var(--bg-ease);
  border:1px solid var(--line);border-radius:14px;padding:16px 18px;
  color:var(--ink-900);transition:all var(--ease);
}
.strip-item:hover{background:var(--brand-050);border-color:var(--brand-300);color:var(--brand-900);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.strip-icon{
  width:38px;height:38px;flex:0 0 auto;border-radius:11px;background:#fff;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:var(--brand-700);
}
.strip-text{flex:1 1 auto;min-width:0}
.strip-text b{display:block;font-size:16px;font-weight:700;line-height:1.5}
.strip-text span{display:block;font-size:13px;color:var(--ink-600);line-height:1.6}
.strip-arw{color:var(--brand-700);font-size:16px;transition:transform var(--ease)}
.strip-item:hover .strip-arw{transform:translateX(4px)}

/* ---------- 卖点三连 ---------- */
.points{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;border-top:1px solid var(--line);padding-top:44px}
.point{padding-right:12px}
.point:nth-child(2){margin-top:26px}
.point:nth-child(3){margin-top:8px}
.point .num{display:block;font-size:52px;font-weight:800;line-height:1;letter-spacing:-.04em;color:var(--brand-300);margin-bottom:14px}
.point h3{font-size:21px;line-height:1.5;margin-bottom:10px}
.point p{font-size:15px;color:var(--ink-600)}
.points-foot{margin-top:40px}

/* ---------- 场景演示 ---------- */
.scene{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center;padding:52px 0;border-bottom:1px solid var(--line)}
.scene:last-child{border-bottom:0;padding-bottom:0}
.scene:first-child{padding-top:0}
.scene.rev{grid-template-columns:7fr 5fr}
.scene.rev .scene-media{order:2}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);border:1px solid var(--line);box-shadow:var(--shadow-1);transition:transform var(--ease)}
.scene-media{overflow:hidden;border-radius:var(--radius-img)}
.scene-media:hover img{transform:scale(1.03)}
.scene-body .tag{display:inline-block;font-size:12.5px;font-weight:600;color:var(--accent-500);background:rgba(247,217,196,.55);border-radius:999px;padding:4px 12px;margin-bottom:14px}
.scene-body h3{font-size:23px;line-height:1.5;margin-bottom:12px}
.scene-body p{color:var(--ink-600);font-size:15.5px;margin-bottom:16px}
.scene-list li{position:relative;padding-left:22px;font-size:15px;color:var(--ink-600);line-height:1.8;margin-bottom:6px}
.scene-list li::before{content:"";position:absolute;left:0;top:12px;width:9px;height:9px;border-radius:3px;background:var(--brand-300)}

/* ---------- 社会认同 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:30px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat .num{font-size:38px;font-weight:800;line-height:1.1;color:var(--accent-500);letter-spacing:-.03em}
.stat .num small{font-size:17px;font-weight:700;margin-left:2px}
.stat .lb{font-size:13px;color:var(--ink-600);margin-top:8px;line-height:1.6}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.quote{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;transition:all var(--ease)}
.quote:hover{border-color:var(--brand-300);box-shadow:var(--shadow-1);transform:translateY(-2px)}
.quote-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--brand-050);border:1px solid var(--brand-300);display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--brand-700);font-size:15px;flex:0 0 auto}
.quote-head b{display:block;font-size:15px;font-weight:700}
.quote-head span{display:block;font-size:12.5px;color:var(--ink-600)}
.quote p{font-size:14.5px;color:var(--ink-600);line-height:1.85}

/* ---------- 最新信息 ---------- */
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;transition:all var(--ease);
}
.news-card:hover{border-color:var(--brand-300);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.cat-badge{display:inline-block;font-size:12.5px;font-weight:600;color:var(--brand-700);background:var(--brand-050);border:1px solid var(--brand-300);border-radius:999px;padding:4px 12px;align-self:flex-start}
.news-card h3{font-size:19px;line-height:1.55;margin:14px 0 10px}
.news-card h3 a{color:var(--ink-900)}
.news-card h3 a:hover{color:var(--brand-700)}
.news-card .excerpt{font-size:14.5px;color:var(--ink-600);line-height:1.8}
.news-card .foot{
  margin-top:auto;padding-top:18px;margin-top:20px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.news-date{font-size:13px;color:var(--ink-600)}
.arrow-link{display:inline-flex;align-items:center;gap:5px;font-size:14px;font-weight:600;color:var(--brand-700)}
.arrow-link .arw{transition:transform var(--ease)}
.arrow-link:hover .arw{transform:translateX(4px)}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{
  min-height:160px;border:1px dashed var(--brand-300);background:rgba(230,242,238,.5);
  border-radius:var(--radius-card);display:flex;align-items:center;justify-content:center;
  color:var(--ink-600);font-size:15px;text-align:center;padding:24px;
}
.news-foot{margin-top:44px;display:flex;justify-content:center}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px}
.faq .accordion-item{background:#fff;border:1px solid var(--line);border-radius:14px!important;margin-bottom:14px;overflow:hidden}
.faq .accordion-button{
  font-size:17px;font-weight:600;color:var(--ink-900);background:#fff;
  padding:20px 24px;border-left:3px solid transparent;box-shadow:none;transition:all var(--ease);
}
.faq .accordion-button:hover{color:var(--brand-700)}
.faq .accordion-button:not(.collapsed){background:#fff;color:var(--brand-900);border-left-color:var(--brand-700);box-shadow:none}
.faq .accordion-button:focus{box-shadow:none;outline:3px solid rgba(14,107,92,.22);outline-offset:-3px;z-index:2}
.faq .accordion-button::after{
  width:10px;height:10px;flex:0 0 auto;
  border-right:2px solid var(--brand-700);border-bottom:2px solid var(--brand-700);
  background-image:none;transform:rotate(45deg) translate(-2px,-2px);
  transition:transform var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg) translate(-2px,-2px)}
.faq .accordion-body{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-600)}

/* ---------- 表单 / CTA ---------- */
.cta-panel{
  background:var(--bg-card);border:1px solid var(--line);border-radius:20px;
  padding:40px;box-shadow:var(--shadow-1);
}
.form-label-c{display:block;font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:8px}
.form-control-c{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:11px 14px;font-size:15px;color:var(--ink-900);line-height:1.6;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.form-control-c::placeholder{color:#9AA6A1}
.form-control-c:focus{outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(230,242,238,.9)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{margin-bottom:18px}
.form-hint{font-size:13px;color:var(--ink-600);margin-top:8px}
.form-error{border-color:var(--accent-500)!important}
.form-error-msg{font-size:13px;color:var(--accent-500);margin-top:6px;display:none}
.form-error-msg.show{display:block}
.form-success{
  display:none;margin-top:16px;font-size:14px;color:var(--brand-900);
  background:var(--brand-050);border:1px solid var(--brand-300);border-radius:var(--radius-btn);padding:12px 16px;
}
.form-success.show{display:block}

/* ---------- 粘底转化条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:var(--brand-900);color:#fff;
  transform:translateY(100%);opacity:0;pointer-events:none;
  transition:transform .32s cubic-bezier(.2,.7,.3,1),opacity .32s ease;
  box-shadow:0 -10px 30px -18px rgba(0,0,0,.6);
}
.sticky-bar.show{transform:translateY(0);opacity:1;pointer-events:auto}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:60px}
.sticky-text{font-size:14px;color:rgba(255,255,255,.86);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sticky-text b{color:#fff;font-weight:700}
.sticky-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.sticky-close{background:transparent;border:1px solid rgba(255,255,255,.28);color:rgba(255,255,255,.8);width:30px;height:30px;border-radius:8px;font-size:14px;line-height:1;cursor:pointer;transition:all var(--ease)}
.sticky-close:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.76);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:9px;font-size:20px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand .brand-dot{background:var(--accent-200)}
.footer-brand .brand-suffix{color:var(--accent-200);background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.28)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:30em}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links li{margin-bottom:10px}
.site-footer a{color:rgba(255,255,255,.76);font-size:14px}
.site-footer a:hover{color:var(--accent-200)}
.footer-contact li{font-size:14px;line-height:1.9;color:rgba(255,255,255,.76);margin-bottom:8px}
.footer-contact b{color:#fff;font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .points{gap:26px}
}
@media (max-width:991.98px){
  body{padding-top:60px;padding-bottom:72px}
  .nav-inner{height:60px}
  .brand{font-size:19px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .hero{padding:48px 0 76px}
  .points{grid-template-columns:1fr;gap:0}
  .point{padding:24px 0;border-bottom:1px solid var(--line)}
  .point:nth-child(2),.point:nth-child(3){margin-top:0}
  .point:last-child{border-bottom:0;padding-bottom:0}
  .stats{grid-template-columns:repeat(2,1fr);gap:24px 20px}
  .quotes{grid-template-columns:1fr;gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .scene,.scene.rev{grid-template-columns:1fr;gap:24px;padding:40px 0}
  .scene.rev .scene-media{order:0}
  .cta-panel{padding:30px}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px}
  .row{margin-left:-8px;margin-right:-8px}
  .row > [class*="col"]{padding-left:8px;padding-right:8px}
  body{padding-bottom:68px}
  .hero-sub{font-size:16px}
  .hero-actions .btn-primary-c,.hero-actions .btn-ghost{flex:1 1 100%}
  .hero-mini{width:44%;right:0;bottom:0;border-width:4px}
  .hero-visual{padding-bottom:18px;margin-top:8px}
  .strip-inner{grid-template-columns:1fr}
  .sec-title{font-size:25px}
  .strip-item{padding:14px 16px}
  .quotes{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;padding-bottom:10px;margin-right:-16px;padding-right:16px}
  .quote{flex:0 0 84%;scroll-snap-align:start}
  .stats{grid-template-columns:1fr 1fr;padding:24px 0}
  .stat .num{font-size:30px}
  .form-row{grid-template-columns:1fr;gap:0}
  .cta-panel{padding:24px;border-radius:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .sticky-inner{height:56px;gap:12px}
  .sticky-text{font-size:13px}
  .sticky-actions .btn-accent{width:auto;padding:9px 15px;font-size:14px}
  .news-foot{margin-top:32px}
}
@media (max-width:519.98px){
  .brand{font-size:17px;gap:7px}
  .brand-suffix{padding:2px 7px;font-size:11.5px}
  .nav-right .btn-primary-c{padding:9px 14px;font-size:14px}
  .hero-title{font-size:28px}
  .stats{grid-template-columns:1fr}
  .sticky-text{white-space:normal;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
}

/* roulang page: article */
:root{
  --brand-900:#0B3E36;
  --brand-700:#0E6B5C;
  --brand-300:#9CCBBE;
  --brand-050:#E6F2EE;
  --accent-500:#E4622F;
  --accent-200:#F7D9C4;
  --bg-paper:#F6F1E7;
  --bg-card:#FFFFFF;
  --ink-900:#16211E;
  --ink-600:#4A5A55;
  --line:#E3DED2;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,33,29,.06),0 10px 26px -14px rgba(16,33,29,.20);
  --shadow-2:0 2px 4px rgba(16,33,29,.08),0 18px 36px -16px rgba(16,33,29,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  background:var(--bg-paper);
  color:var(--ink-600);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
:focus-visible{outline:3px solid rgba(14,107,92,.35);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;padding-left:16px;padding-right:16px}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px}}
.row{--bs-gutter-x:24px}
@media (max-width:767.98px){.row{--bs-gutter-x:16px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 1px 0 var(--line),0 10px 26px -20px rgba(16,33,29,.45)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:60px}
@media (min-width:992px){.header-inner{height:72px}}
.brand{display:inline-flex;align-items:center;gap:8px;font-size:19px;font-weight:700;color:var(--ink-900);white-space:nowrap}
.brand:hover{color:var(--ink-900)}
.brand-dot{width:10px;height:10px;border-radius:50%;background:var(--accent-500);display:inline-block}
.brand-suffix{
  font-size:12.5px;font-weight:600;color:var(--brand-700);
  background:var(--brand-050);border-radius:999px;padding:2px 9px;line-height:1.6;
}
.nav-pill{
  background:#F1EDE3;border-radius:999px;padding:5px;gap:4px;
  display:flex;align-items:center;margin:0;
}
.nav-pill .nav-link{
  padding:8px 15px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:var(--ink-600);line-height:1.4;transition:all .2s var(--ease);
}
.nav-pill .nav-link:hover{color:var(--brand-700);background:rgba(255,255,255,.72)}
.nav-pill .nav-link.active{background:#fff;color:var(--brand-700);box-shadow:0 1px 2px rgba(16,33,29,.10)}
.header-actions{display:flex;align-items:center;gap:10px}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand-700);color:#fff;font-size:15px;font-weight:600;
  padding:11px 20px;border-radius:var(--radius-btn);border:1px solid var(--brand-700);
  transition:all .2s var(--ease);cursor:pointer;line-height:1.4;
}
.btn-brand:hover{background:var(--brand-900);border-color:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-1)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--ink-900);font-size:15px;font-weight:600;
  padding:11px 20px;border-radius:var(--radius-btn);border:1px solid var(--line);
  transition:all .2s var(--ease);cursor:pointer;line-height:1.4;
}
.btn-ghost:hover{border-color:var(--brand-700);color:var(--brand-700);transform:translateY(-2px)}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--accent-500);color:#fff;font-size:15px;font-weight:600;
  padding:11px 22px;border-radius:var(--radius-btn);border:none;
  transition:all .2s var(--ease);cursor:pointer;line-height:1.4;
}
.btn-accent:hover{background:#C94F22;color:#fff;transform:translateY(-2px)}
.btn-text{color:var(--brand-700);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px}
.btn-text:hover{color:var(--brand-900);gap:10px}
.nav-burger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-burger span{display:block;width:17px;height:2px;background:var(--ink-900);border-radius:2px;transition:all .2s var(--ease)}
.nav-burger[aria-expanded="true"]{border-color:var(--brand-300)}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,62,54,.42);z-index:1045;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s;
}
.drawer-mask.show{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:340px;
  background:#fff;z-index:1050;padding:18px 18px 26px;overflow-y:auto;
  transform:translateX(102%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;gap:18px;box-shadow:-16px 0 40px -24px rgba(16,33,29,.5);
}
.nav-drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;
  font-size:20px;line-height:1;color:var(--ink-600);cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  font-size:16px;font-weight:500;color:var(--ink-900);padding:12px 14px;border-radius:12px;
  background:#FAF7F0;transition:all .2s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--brand-050);color:var(--brand-700)}
.drawer-note{font-size:13px;color:var(--ink-600);line-height:1.8}

/* ---------- 页头与面包屑 ---------- */
.page-head{
  background:linear-gradient(180deg,#FBF8F1 0%,var(--bg-paper) 100%);
  border-bottom:1px solid var(--line);
  padding:22px 0 26px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-600)}
.crumb a{color:var(--ink-600)}
.crumb a:hover{color:var(--brand-700)}
.crumb .sep{color:#BEB7A7}
.crumb .current{color:var(--brand-700);font-weight:600}
.page-lead{font-size:13.5px;color:var(--ink-600);margin-top:10px}

/* ---------- 文章主体 ---------- */
.site-main{padding-bottom:78px}
.article-shell{
  max-width:880px;margin:28px auto 0;background:var(--bg-card);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:28px 20px 34px;
}
@media (min-width:768px){.article-shell{padding:40px 44px 48px}}
.badge-cat{
  display:inline-flex;align-items:center;background:var(--brand-050);color:var(--brand-700);
  font-size:12.5px;font-weight:600;border-radius:999px;padding:5px 13px;line-height:1.6;
}
.article-head h1{
  font-size:clamp(26px,3.6vw,38px);line-height:1.3;margin:16px 0 14px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-600)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6BFAD;display:inline-block}
.article-cover{margin:24px 0 4px}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);border:1px solid var(--line)}
.article-cover figcaption{font-size:13px;color:var(--ink-600);text-align:center;margin-top:10px}
.article-body{max-width:760px;margin:26px auto 0}
.article-body p{font-size:17px;line-height:1.9;color:#3B4A45;margin:0 0 1.15em;max-width:38em}
.article-body h2{
  font-size:24px;line-height:1.35;margin:40px 0 14px;padding-left:14px;
  border-left:4px solid var(--brand-700);
}
.article-body h3{font-size:20px;line-height:1.5;margin:28px 0 12px}
.article-body h4{font-size:17px;line-height:1.5;margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:22px;line-height:1.8;color:#3B4A45}
.article-body li{margin-bottom:8px}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:#FAF6EC;
  border-left:5px solid var(--brand-700);border-radius:0 12px 12px 0;
  color:#3B4A45;font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);border:1px solid var(--line);margin:20px auto;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-600);text-align:center;margin-top:8px}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-900)}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;display:block;overflow-x:auto;white-space:nowrap}
.article-body th{background:var(--brand-050);color:var(--ink-900);font-size:14px;text-align:left;padding:12px 14px}
.article-body td{padding:12px 14px;border-top:1px solid var(--line);font-size:15px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- 标签与返回 ---------- */
.article-foot{max-width:760px;margin:34px auto 0;padding-top:24px;border-top:1px solid var(--line)}
.tag-cloud{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-cloud .tag-label{font-size:13px;color:var(--ink-600)}
.tag{
  display:inline-flex;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:6px 14px;font-size:13.5px;color:var(--ink-600);
  transition:all .2s var(--ease);
}
.tag:hover{border-color:var(--brand-300);color:var(--brand-700);background:var(--brand-050)}
.back-row{margin-top:20px}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:44px 20px;border:1px dashed var(--line);border-radius:var(--radius-card);
  background:#FCFAF5;
}
.empty-state .empty-title{font-size:19px;font-weight:700;color:var(--ink-900);margin-bottom:8px}
.empty-state p{max-width:34em;margin:0 auto 18px;font-size:15px}

/* ---------- 相关推荐 ---------- */
.related{padding:56px 0 8px}
@media (min-width:992px){.related{padding:72px 0 8px}}
.sec-head{margin-bottom:26px}
.sec-head h2{font-size:26px}
.sec-head p{margin-top:10px;font-size:15px;color:var(--ink-600);max-width:38em}
.news-card{
  display:flex;flex-direction:column;height:100%;background:var(--bg-card);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  transition:all .25s var(--ease);
}
.news-card:hover{border-color:var(--brand-300);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.news-thumb{overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-body h3{color:var(--brand-700)}
.news-body .excerpt{
  font-size:14px;color:var(--ink-600);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:6px}
.news-date{font-size:13px;color:var(--ink-600)}
.news-arrow{color:var(--brand-700);font-weight:700;transition:transform .2s var(--ease)}
.news-card:hover .news-arrow{transform:translateX(4px)}

/* ---------- CTA ---------- */
.cta-band{margin-top:56px}
.cta-inner{
  background:var(--brand-900);border-radius:var(--radius-card);padding:34px 24px;
  display:flex;flex-direction:column;gap:18px;align-items:flex-start;
}
@media (min-width:768px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:38px 40px;gap:28px}
}
.cta-inner h2{color:#F4F0E6;font-size:24px;line-height:1.4}
.cta-inner p{color:rgba(244,240,230,.78);font-size:14.5px;margin:10px 0 0;max-width:40em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn-on-dark{
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;color:var(--brand-900);font-weight:600;font-size:15px;
  padding:12px 22px;border-radius:var(--radius-btn);border:1px solid #fff;
  transition:all .2s var(--ease);
}
.btn-on-dark:hover{background:var(--accent-200);border-color:var(--accent-200);color:var(--brand-900);transform:translateY(-2px)}
.btn-outline-dark{
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;color:#F4F0E6;font-weight:600;font-size:15px;
  padding:12px 22px;border-radius:var(--radius-btn);border:1px solid rgba(244,240,230,.42);
  transition:all .2s var(--ease);
}
.btn-outline-dark:hover{border-color:#fff;color:#fff;transform:translateY(-2px)}

/* ---------- 粘底转化条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;background:var(--brand-900);
  color:#F3EFE6;transform:translateY(102%);transition:transform .3s var(--ease);
  box-shadow:0 -10px 30px -20px rgba(0,0,0,.75);
}
.sticky-bar.show{transform:translateY(0)}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:56px}
@media (min-width:992px){.sticky-inner{min-height:60px}}
.sticky-text{font-size:13.5px;margin:0;color:rgba(243,239,230,.9);line-height:1.5}
@media (min-width:992px){.sticky-text{font-size:14px;white-space:nowrap}}
.sticky-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.sticky-actions .btn-accent{font-size:14.5px;padding:10px 18px}
.sticky-close{
  background:transparent;border:1px solid rgba(243,239,230,.35);color:#F3EFE6;
  width:30px;height:30px;border-radius:8px;line-height:1;cursor:pointer;font-size:16px;
}
.sticky-close:hover{border-color:#fff}
@media (max-width:575.98px){
  .sticky-text{font-size:12.5px;max-width:44%}
  .sticky-actions .btn-accent{width:60%;min-width:150px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(244,240,230,.8);padding:56px 0 26px;margin-top:0}
@media (min-width:992px){.site-footer{padding:64px 0 28px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}}
.footer-brand{display:inline-flex;align-items:center;gap:8px;font-size:19px;font-weight:700;color:#F7F3E8}
.footer-brand .brand-suffix{background:rgba(247,243,232,.14);color:#F7F3E8}
.footer-desc{font-size:14px;line-height:1.85;margin-top:14px;color:rgba(244,240,230,.66);max-width:32em}
.footer-title{font-size:14px;font-weight:700;color:#F7F3E8;margin-bottom:14px}
.footer-links,.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-links a{color:rgba(244,240,230,.78)}
.footer-links a:hover{color:var(--accent-200)}
.footer-contact li{color:rgba(244,240,230,.72);line-height:1.75}
.footer-contact b{color:#F7F3E8;font-weight:600}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(244,240,230,.16);
  display:flex;flex-direction:column;gap:8px;font-size:13px;color:rgba(244,240,230,.55);
}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}

/* roulang page: category1 */
:root{
  --brand-900:#0B3E36;
  --brand-700:#0E6B5C;
  --brand-300:#9CCBBE;
  --brand-050:#E6F2EE;
  --accent-500:#E4622F;
  --accent-200:#F7D9C4;
  --bg-paper:#F6F1E7;
  --bg-card:#FFFFFF;
  --ink-900:#16211E;
  --ink-600:#4A5A55;
  --line:#E3DED2;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(16,33,29,.06),0 10px 26px -14px rgba(16,33,29,.20);
  --shadow-2:0 2px 6px rgba(16,33,29,.08),0 18px 40px -18px rgba(16,33,29,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --section-y:96px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background-color:var(--bg-paper);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand-700);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-900)}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0 0 .5em;font-weight:700;letter-spacing:-.01em;color:var(--ink-900)}
h1{font-size:clamp(30px,4.2vw,50px);line-height:1.25}
h2{font-size:clamp(24px,2.4vw,30px);line-height:1.35}
h3{font-size:21px;line-height:1.5}
h4{font-size:17px;line-height:1.6}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
:focus-visible{outline:3px solid rgba(14,107,92,.45);outline-offset:2px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.row{--bs-gutter-x:24px;--bs-gutter-y:24px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(16,33,29,.05),0 12px 28px -20px rgba(16,33,29,.35);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:16px;
  height:var(--nav-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:20px;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--brand-900);
  white-space:nowrap;
}
.brand:hover{color:var(--brand-700)}
.brand-dot{
  width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-700),var(--accent-500));
  display:inline-block;
  flex:0 0 auto;
}
.brand-suffix{
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--brand-700);
  background:var(--brand-050);
  border-radius:999px;
  padding:2px 8px;
  line-height:1.6;
}
.nav-pill{
  margin:0 auto;
  background:#F1EDE3;
  border-radius:999px;
  padding:6px;
  gap:4px;
  align-items:center;
}
.nav-pill .nav-link{
  display:inline-block;
  padding:9px 16px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-600);
  transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-pill .nav-link:hover{color:var(--brand-900);background:rgba(255,255,255,.7)}
.nav-pill .nav-link.active{
  background:#fff;
  color:var(--brand-900);
  font-weight:600;
  box-shadow:0 1px 2px rgba(16,33,29,.08);
}
.header-cta{display:flex;align-items:center}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:var(--brand-700);
  color:#fff;
  font-size:15.5px;
  font-weight:600;
  padding:12px 24px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
}
.btn-main:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-1)}
.btn-main.btn-sm{padding:10px 18px;font-size:14.5px}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:#fff;
  color:var(--ink-900);
  font-size:15.5px;
  font-weight:600;
  padding:12px 24px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-ghost:hover{border-color:var(--brand-700);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.btn-coral{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:var(--accent-500);
  color:#fff;
  font-size:15.5px;
  font-weight:600;
  padding:12px 26px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-coral:hover{background:#C9501F;color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px -14px rgba(228,98,47,.7)}
.nav-toggle{
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(11,62,54,.42);
  opacity:0;visibility:hidden;
  transition:opacity .28s var(--ease),visibility .28s var(--ease);
  z-index:1045;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;
  top:0;right:0;
  width:min(330px,88vw);
  height:100%;
  background:#fff;
  z-index:1050;
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  padding:20px 20px 32px;
  display:flex;
  flex-direction:column;
  gap:8px;
  box-shadow:-16px 0 40px -24px rgba(16,33,29,.5);
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:12px}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  font-size:20px;line-height:1;color:var(--ink-600);background:#fff;
}
.drawer-close:hover{border-color:var(--brand-700);color:var(--brand-700)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:16px;color:var(--ink-600);
  padding:14px 4px;
  border-bottom:1px solid var(--line);
}
.drawer-nav a::after{content:"\2192";color:var(--brand-300);font-size:15px}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand-700);font-weight:600}
.drawer-cta{margin-top:20px;width:100%}

/* ---------- 页面头部 ---------- */
.page-hero{position:relative;padding:56px 0 60px;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(246,241,231,.97) 0%,rgba(246,241,231,.9) 42%,rgba(246,241,231,.6) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(14,107,92,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(14,107,92,.05) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.7;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb-line{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-600);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb-line a{color:var(--ink-600)}
.breadcrumb-line a:hover{color:var(--brand-700)}
.breadcrumb-line span.sep{color:var(--brand-300)}
.breadcrumb-line .current{color:var(--brand-700);font-weight:600}
.badge-soft{
  display:inline-block;
  background:var(--brand-050);
  color:var(--brand-700);
  border-radius:999px;
  padding:6px 14px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
  margin-bottom:16px;
}
.page-hero h1{max-width:16em;margin-bottom:16px}
.page-hero-desc{
  font-size:17px;
  color:var(--ink-600);
  max-width:38em;
  margin-bottom:26px;
}
.chip-nav{display:flex;flex-wrap:wrap;gap:10px}
.chip-nav a{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:9px 18px;
  font-size:14px;
  color:var(--ink-600);
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.chip-nav a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-300)}
.chip-nav a:hover{background:var(--brand-050);border-color:var(--brand-300);color:var(--brand-900);transform:translateY(-2px)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section-y) 0;scroll-margin-top:88px}
.section-tint{background:linear-gradient(180deg,#F1EDE3 0%,#F8F4EC 100%)}
.section-head{max-width:46em;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.12em;
  color:var(--brand-700);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand-700);border-radius:2px}
.section-sub{color:var(--ink-600);font-size:15.5px;max-width:40em}
.lead-text{font-size:16.5px;color:var(--ink-600);max-width:38em}

.check-list li{
  position:relative;
  padding-left:34px;
  margin-bottom:14px;
  color:var(--ink-600);
  font-size:15.5px;
}
.check-list li::before{
  content:"\2713";
  position:absolute;left:0;top:4px;
  width:22px;height:22px;
  border-radius:50%;
  background:var(--brand-050);
  color:var(--brand-700);
  font-size:12px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.figure-img{margin:0}
.figure-img img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius-img);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.figure-img figcaption{font-size:13px;color:var(--ink-600);margin-top:12px;text-align:center}

/* ---------- 参数表 ---------- */
.table-wrap{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
}
.spec-table{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
  font-size:15px;
}
.spec-table thead th{
  background:var(--brand-050);
  color:var(--brand-900);
  font-size:14.5px;
  font-weight:600;
  text-align:left;
  padding:16px 20px;
  border-bottom:1px solid var(--brand-300);
  white-space:nowrap;
}
.spec-table tbody th{
  text-align:left;
  font-weight:600;
  color:var(--ink-900);
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  width:22%;
  white-space:nowrap;
}
.spec-table tbody td{
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  color:var(--ink-600);
}
.spec-table tbody tr:last-child th,
.spec-table tbody tr:last-child td{border-bottom:none}
.spec-table tbody tr:hover{background:#FCFAF5}
.table-note{margin-top:14px;font-size:13.5px;color:var(--ink-600)}

/* ---------- 线路卡片 ---------- */
.route-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  height:100%;
  display:flex;
  flex-direction:column;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.route-card:hover{border-color:var(--brand-300);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.route-card .thumb{overflow:hidden;aspect-ratio:16/10}
.route-card .thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s var(--ease);
}
.route-card:hover .thumb img{transform:scale(1.03)}
.route-card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.route-card-body h3{margin:0;font-size:19px}
.route-card-body p{margin:0;color:var(--ink-600);font-size:14.8px;line-height:1.8}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-block;
  font-size:12.5px;
  font-weight:600;
  color:var(--brand-700);
  background:var(--brand-050);
  border-radius:999px;
  padding:5px 12px;
}
.card-link{
  margin-top:auto;
  font-size:14.5px;
  font-weight:600;
  color:var(--brand-700);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.card-link i{transition:transform .2s var(--ease)}
.card-link:hover i{transform:translateX(4px)}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-img);
  margin-bottom:12px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:var(--brand-300);box-shadow:inset 3px 0 0 var(--brand-700)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";
  flex:0 0 auto;
  width:9px;height:9px;
  border-right:2px solid var(--brand-700);
  border-bottom:2px solid var(--brand-700);
  transform:rotate(45deg);
  transition:transform .25s var(--ease);
  margin-top:-3px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:3px}
.faq-body{padding:0 22px 20px;color:var(--ink-600);font-size:15px;line-height:1.8}

/* ---------- 反馈 ---------- */
.review-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  height:100%;
  display:flex;
  flex-direction:column;
  gap:14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.review-card:hover{border-color:var(--brand-300);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.review-head{display:flex;align-items:center;gap:12px}
.review-avatar{
  width:42px;height:42px;flex:0 0 auto;
  border-radius:50%;
  background:var(--brand-050);
  color:var(--brand-700);
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.review-name{font-size:15px;font-weight:600;color:var(--ink-900);line-height:1.4}
.review-meta{font-size:12.5px;color:var(--ink-600)}
.review-card p{margin:0;color:var(--ink-600);font-size:15px;line-height:1.8}

/* ---------- CTA 横幅 ---------- */
.cta-band{padding:0 0 var(--section-y)}
.cta-band-inner{
  background:var(--brand-900);
  border-radius:20px;
  padding:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  box-shadow:var(--shadow-2);
}
.cta-band-inner h2{color:#fff;margin-bottom:10px;font-size:26px}
.cta-band-inner p{color:rgba(233,239,236,.82);margin:0;font-size:15.5px;max-width:34em}

/* ---------- 粘底转化条 ---------- */
.sticky-cta{
  position:fixed;
  left:0;right:0;bottom:0;
  background:var(--brand-900);
  color:#fff;
  z-index:1040;
  transform:translateY(110%);
  opacity:0;
  visibility:hidden;
  transition:transform .3s var(--ease),opacity .3s var(--ease),visibility .3s var(--ease);
  box-shadow:0 -10px 30px -18px rgba(11,62,54,.8);
}
.sticky-cta.is-visible{transform:translateY(0);opacity:1;visibility:visible}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:60px;padding-top:10px;padding-bottom:10px}
.sticky-text{font-size:14px;color:rgba(255,255,255,.9)}
.sticky-actions{display:flex;align-items:center;gap:10px}
.btn-coral.btn-sm{padding:9px 18px;font-size:14px}
.sticky-close{
  width:32px;height:32px;border-radius:50%;
  color:rgba(255,255,255,.75);
  font-size:18px;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.sticky-close:hover{background:rgba(255,255,255,.14);color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-900);
  color:#E9EFEC;
  padding:64px 0 88px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{
  display:inline-flex;align-items:center;gap:8px;
  font-size:20px;font-weight:700;color:#fff;letter-spacing:-.02em;
  margin-bottom:14px;
}
.footer-brand .brand-dot{background:linear-gradient(135deg,var(--brand-300),var(--accent-500))}
.footer-brand .brand-suffix{
  background:rgba(156,203,190,.16);
  color:var(--brand-300);
}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(233,239,236,.72);margin:0;max-width:30em}
.footer-title{font-size:14.5px;font-weight:600;color:#fff;margin:0 0 16px}
.footer-links li,.footer-contact li{margin-bottom:12px;font-size:14.5px;color:rgba(233,239,236,.72)}
.footer-links a{color:rgba(233,239,236,.72)}
.footer-links a:hover{color:var(--accent-200)}
.footer-contact b{color:#fff;font-weight:600}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  padding-top:24px;
  font-size:13.5px;
  color:rgba(233,239,236,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:100%}
}
@media (max-width:991px){
  :root{--section-y:72px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .header-inner{height:64px}
  .cta-band-inner{padding:36px}
  .page-hero{padding:44px 0 48px}
}
@media (max-width:767px){
  :root{--section-y:56px}
  .container{padding-left:16px;padding-right:16px}
  .row{--bs-gutter-x:16px;--bs-gutter-y:16px}
  body{font-size:15.5px}
  .page-hero{padding:32px 0 40px}
  .page-hero-desc{font-size:15.5px}
  .chip-nav a{padding:8px 14px;font-size:13.5px}
  .section-head{margin-bottom:28px}
  .cta-band-inner{padding:28px 22px;flex-direction:column;align-items:flex-start;gap:20px}
  .cta-band-inner h2{font-size:22px}
  .sticky-inner{min-height:56px;gap:12px}
  .sticky-text{font-size:13px;line-height:1.5;max-width:52%}
  .sticky-actions{flex:1;justify-content:flex-end}
  .btn-coral.btn-sm{flex:1 1 auto;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .site-footer{padding:48px 0 104px}
}
@media (max-width:520px){
  .brand{font-size:18px}
  .check-list li{padding-left:30px;font-size:15px}
}

/* roulang page: category2 */
:root{
  --brand-900:#0B3E36;
  --brand-700:#0E6B5C;
  --brand-500:#2E8B78;
  --brand-300:#9CCBBE;
  --brand-050:#E6F2EE;
  --accent-500:#E4622F;
  --accent-200:#F7D9C4;
  --bg-paper:#F6F1E7;
  --bg-card:#FFFFFF;
  --ink-900:#16211E;
  --ink-600:#4A5A55;
  --line:#E3DED2;
  --nav-pill-bg:#F1EDE3;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(16,33,29,.06),0 10px 26px -14px rgba(16,33,29,.20);
  --shadow-2:0 2px 6px rgba(16,33,29,.08),0 22px 44px -20px rgba(16,33,29,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-paper);
  color:var(--ink-900);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  padding-bottom:60px;
}
body.drawer-open{overflow:hidden;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
h1,h2,h3,h4{font-weight:700;letter-spacing:-0.01em;line-height:1.35;color:var(--ink-900);}
h1{font-size:clamp(30px,4.2vw,50px);line-height:1.25;}
h2{font-size:30px;line-height:1.35;}
h3{font-size:21px;line-height:1.5;}
h4{font-size:17px;}
p{max-width:38em;}
ul,ol{list-style:none;padding:0;margin:0;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);}
a:hover{color:var(--brand-900);}
img{max-width:100%;display:block;}
button{font-family:inherit;border:0;background:none;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink-900);}
:focus-visible{outline:3px solid rgba(14,107,92,.35);outline-offset:2px;border-radius:6px;}
::selection{background:var(--brand-050);color:var(--brand-900);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  background:rgba(246,241,231,.92);
  border-bottom:1px solid transparent;
  transition:background-color .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-stuck{
  background:rgba(255,255,255,.93);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom-color:var(--line);
  box-shadow:0 6px 22px -18px rgba(16,33,29,.55);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:var(--ink-900);
  letter-spacing:-0.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--brand-700);}
.brand-dot{
  width:26px;height:26px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-500) 55%,var(--accent-500));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.35);
  flex:0 0 auto;
  position:relative;
}
.brand-dot::after{
  content:"";position:absolute;inset:8px 7px 9px 7px;border-radius:3px;
  background:rgba(255,255,255,.85);
  clip-path:polygon(0 100%,42% 32%,62% 62%,100% 100%);
}
.brand-suffix{
  font-size:12.5px;
  font-weight:600;
  color:var(--brand-700);
  background:var(--brand-050);
  border-radius:999px;
  padding:2px 8px;
  margin-left:6px;
  vertical-align:2px;
  letter-spacing:.02em;
}
.nav-pill{
  align-items:center;
  gap:4px;
  background:var(--nav-pill-bg);
  border-radius:999px;
  padding:6px;
}
.nav-pill .nav-link{
  display:inline-block;
  padding:9px 18px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-600);
  line-height:1.3;
  white-space:nowrap;
}
.nav-pill .nav-link:hover{color:var(--brand-700);background:rgba(255,255,255,.72);}
.nav-pill .nav-link.active{
  background:#fff;
  color:var(--brand-700);
  font-weight:600;
  box-shadow:0 2px 8px -4px rgba(16,33,29,.35);
}
.header-right{display:flex;align-items:center;gap:12px;}
.menu-toggle{
  width:44px;height:44px;border-radius:12px;
  background:#fff;border:1px solid var(--line);
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .25s var(--ease),opacity .2s var(--ease);}
.menu-toggle:hover{border-color:var(--brand-300);box-shadow:var(--shadow-1);}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.is-open span:nth-child(2){opacity:0;}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,62,54,.42);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
  z-index:1035;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:#fff;z-index:1040;
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  display:flex;flex-direction:column;
  box-shadow:-18px 0 40px -24px rgba(16,33,29,.5);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--line);
}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  color:var(--ink-600);font-size:18px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:var(--brand-700);color:var(--brand-700);}
.drawer-body{padding:16px 20px 28px;}
.drawer-label{
  font-size:12.5px;letter-spacing:.08em;color:var(--brand-700);
  font-weight:600;margin:14px 0 8px;
}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:16px;font-weight:500;color:var(--ink-900);
  padding:13px 0;border-bottom:1px solid var(--line);
}
.drawer-nav a span.arrow{color:var(--brand-300);font-size:14px;}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand-700);}
.drawer-nav a.active{font-weight:700;}
.drawer-cta{margin-top:22px;display:block;}
.drawer-cta .btn{width:100%;justify-content:center;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  padding:13px 24px;
  line-height:1.3;
  border:1px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn-brand{background:var(--brand-700);color:#fff;box-shadow:0 8px 20px -14px rgba(14,107,92,.9);}
.btn-brand:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -16px rgba(11,62,54,.95);}
.btn-ghost{background:#fff;color:var(--ink-900);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand-700);color:var(--brand-700);transform:translateY(-2px);}
.btn-coral{background:var(--accent-500);color:#fff;}
.btn-coral:hover{background:#c9501f;color:#fff;transform:translateY(-2px);}
.btn-outline-coral{background:#fff;color:var(--accent-500);border-color:var(--accent-200);}
.btn-outline-coral:hover{border-color:var(--accent-500);color:var(--accent-500);transform:translateY(-2px);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px;}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-700);font-weight:600;font-size:15px;padding:4px 0;
}
.btn-link-arrow .arrow{transition:transform .2s var(--ease);}
.btn-link-arrow:hover .arrow{transform:translateX(4px);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-white{background:#fff;}
.section-paper{background:var(--bg-paper);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.1em;
  color:var(--brand-700);background:var(--brand-050);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--ink-600);font-size:16px;}

/* ============ 面包屑 ============ */
.breadcrumb-bar{padding:96px 0 0;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--ink-600);background:none;padding:0;margin:0;
}
.breadcrumb a{color:var(--ink-600);}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb .sep{color:var(--brand-300);}
.breadcrumb .current{color:var(--brand-700);font-weight:600;}

/* ============ 分类页头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:36px 0 72px;
  background:
    radial-gradient(900px 420px at 10% -12%,rgba(14,107,92,.13),transparent 62%),
    radial-gradient(720px 380px at 96% 4%,rgba(228,98,47,.10),transparent 64%),
    var(--bg-paper);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(14,107,92,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(14,107,92,.055) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:radial-gradient(720px 340px at 22% 12%,#000,transparent 78%);
  mask-image:radial-gradient(720px 340px at 22% 12%,#000,transparent 78%);
}
.page-hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.page-hero h1{margin:6px 0 16px;}
.page-hero .lead-text{font-size:17px;color:var(--ink-600);max-width:34em;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-img);
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
}
.hero-badge{
  position:absolute;left:-16px;bottom:24px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;box-shadow:var(--shadow-1);
  display:flex;align-items:center;gap:12px;
}
.hero-badge b{font-size:20px;color:var(--accent-500);line-height:1;}
.hero-badge span{font-size:12.5px;color:var(--ink-600);line-height:1.5;max-width:9em;}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.anchor-pills a{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:var(--ink-600);
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;
}
.anchor-pills a:hover{border-color:var(--brand-300);background:var(--brand-050);color:var(--brand-700);}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:28px;padding-top:22px;border-top:1px solid var(--line);}
.hero-meta div{font-size:13px;color:var(--ink-600);}
.hero-meta b{display:block;font-size:20px;color:var(--brand-700);font-weight:700;line-height:1.3;}

/* ============ 四宫格卡片 ============ */
.theme-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  height:100%;
  display:flex;flex-direction:column;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.theme-card:hover{border-color:var(--brand-300);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.theme-card .thumb{overflow:hidden;position:relative;}
.theme-card .thumb img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform .35s var(--ease);
  border-bottom:1px solid var(--line);
}
.theme-card:hover .thumb img{transform:scale(1.03);}
.theme-card .body{padding:24px;display:flex;flex-direction:column;flex:1;gap:12px;}
.theme-card h3{font-size:21px;}
.theme-card p{font-size:15px;color:var(--ink-600);line-height:1.8;margin:0;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:600;
  padding:5px 12px;border-radius:999px;
  background:var(--brand-050);color:var(--brand-700);
}
.chip-warm{background:#FDF1E8;color:#B84A1C;}
.chip-line{background:#fff;color:var(--ink-600);border:1px solid var(--line);}
.card-foot{margin-top:auto;padding-top:6px;}

/* ============ 对比表 ============ */
.table-shell{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.compare{
  width:100%;min-width:640px;border-collapse:collapse;font-size:15px;
}
table.compare caption{
  caption-side:top;text-align:left;
  padding:22px 24px 4px;font-size:13px;color:var(--ink-600);
}
table.compare thead th{
  background:var(--brand-050);
  color:var(--brand-900);
  font-size:14px;font-weight:700;
  text-align:left;
  padding:16px 24px;
  border-bottom:1px solid var(--brand-300);
}
table.compare thead th:first-child{background:#EEF6F3;color:var(--ink-600);font-weight:600;}
table.compare tbody th{
  text-align:left;font-weight:600;color:var(--ink-600);
  font-size:14px;
  padding:16px 24px;
  background:#FBF9F4;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
table.compare tbody td{
  padding:16px 24px;
  border-bottom:1px solid var(--line);
  color:var(--ink-900);
  vertical-align:top;
}
table.compare tbody tr:last-child th,
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody td b{color:var(--brand-700);}
.table-note{
  padding:16px 24px 20px;font-size:13.5px;color:var(--ink-600);
  border-top:1px dashed var(--line);background:#FCFAF6;
}
.table-note a{font-weight:600;}

/* ============ 信息条 ============ */
.info-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.info-item{
  padding:26px 24px;
  border-right:1px solid var(--line);
  transition:background-color .2s var(--ease);
}
.info-item:last-child{border-right:0;}
.info-item:hover{background:var(--brand-050);}
.info-item .num{
  font-size:12.5px;font-weight:700;color:var(--accent-500);
  letter-spacing:.1em;margin-bottom:10px;display:block;
}
.info-item h3{font-size:17px;margin-bottom:8px;}
.info-item p{font-size:14px;color:var(--ink-600);line-height:1.75;margin:0;}
.check-list{margin-top:22px;}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;color:var(--ink-600);line-height:1.8;padding:6px 0;
}
.check-list li::before{
  content:"";flex:0 0 auto;width:16px;height:16px;margin-top:6px;border-radius:50%;
  background:var(--brand-050);
  border:1px solid var(--brand-300);
  box-shadow:inset 0 0 0 3px #fff;
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  overflow:hidden;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--brand-700);opacity:0;transition:opacity .2s var(--ease);
}
.faq-item:has(.faq-q[aria-expanded="true"]){border-color:var(--brand-300);box-shadow:var(--shadow-1);}
.faq-item:has(.faq-q[aria-expanded="true"])::before{opacity:1;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px 20px 26px;
  font-size:17px;font-weight:600;color:var(--ink-900);text-align:left;
  line-height:1.5;
}
.faq-q:hover{color:var(--brand-700);}
.faq-q .label{flex:1;}
.faq-arrow{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:var(--brand-050);position:relative;
  transition:transform .25s var(--ease),background-color .2s var(--ease);
}
.faq-arrow::before{
  content:"";position:absolute;left:7px;top:8px;
  width:7px;height:7px;border-right:2px solid var(--brand-700);border-bottom:2px solid var(--brand-700);
  transform:rotate(45deg);
}
.faq-q[aria-expanded="true"] .faq-arrow{transform:rotate(180deg);background:var(--brand-300);}
.faq-a{
  padding:0 60px 22px 26px;
  font-size:15px;line-height:1.8;color:var(--ink-600);
}
.faq-a p{margin:0;max-width:none;}

/* ============ 表单 / CTA ============ */
.apply-section{
  background:linear-gradient(180deg,#fff 0%,#FBF8F1 100%);
  border-top:1px solid var(--line);
}
.apply-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:32px;
}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 20px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--ink-900);}
.field input,.field textarea,.field select{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  padding:12px 14px;
  background:#FDFCF9;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;background:#fff;
  border-color:var(--brand-700);
  box-shadow:0 0 0 3px rgba(14,107,92,.16);
}
.field .hint{font-size:12.5px;color:var(--ink-600);}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:22px;}
.form-note{font-size:13.5px;color:var(--ink-600);}
.form-note.is-ok{color:var(--brand-700);font-weight:600;}
.side-card{
  background:var(--brand-900);color:#F2EFE5;
  border-radius:var(--radius-card);padding:30px;
  height:100%;
}
.side-card h3{color:#fff;font-size:20px;margin-bottom:14px;}
.side-card p{color:rgba(242,239,229,.78);font-size:14.5px;line-height:1.85;}
.side-list{margin-top:20px;display:flex;flex-direction:column;gap:14px;}
.side-list li{display:flex;gap:12px;font-size:14.5px;color:rgba(242,239,229,.86);line-height:1.7;}
.side-list li b{color:#fff;flex:0 0 auto;font-weight:600;}
.side-card .divider{height:1px;background:rgba(255,255,255,.16);margin:22px 0;}

/* ============ 粘底转化条 ============ */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1045;
  background:var(--brand-900);color:#F4F1E8;
  transform:translateY(110%);
  transition:transform .3s var(--ease);
  box-shadow:0 -10px 30px -20px rgba(11,62,54,.9);
}
.sticky-bar.is-visible{transform:translateY(0);}
.sticky-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:8px 0;
}
.sticky-text{font-size:14px;line-height:1.5;color:rgba(244,241,232,.86);}
.sticky-text b{color:#fff;}
.sticky-actions{display:flex;align-items:center;gap:10px;}
.sticky-close{
  width:32px;height:32px;border-radius:50%;
  color:rgba(244,241,232,.7);font-size:16px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.22);
}
.sticky-close:hover{color:#fff;border-color:rgba(255,255,255,.6);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);color:#EDEAE0;
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:#fff;margin-bottom:16px;
}
.footer-brand .brand-dot{background:linear-gradient(135deg,#2E8B78,#9CCBBE 60%,var(--accent-500));}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(237,234,224,.72);max-width:32em;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links li,.footer-contact li{font-size:14px;line-height:2;color:rgba(237,234,224,.75);}
.footer-links a{color:rgba(237,234,224,.75);}
.footer-links a:hover{color:var(--accent-200);}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(237,234,224,.62);
}

/* ============ 响应式 ============ */
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero{padding:28px 0 56px;}
  .hero-media{order:-1;}
  .hero-badge{left:12px;bottom:14px;}
  .info-strip{grid-template-columns:repeat(2,1fr);}
  .info-item:nth-child(2){border-right:0;}
  .info-item:nth-child(1),.info-item:nth-child(2){border-bottom:1px solid var(--line);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;padding-bottom:56px;}
  h2{font-size:25px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .header-inner{height:60px;}
  .brand{font-size:17px;}
  .breadcrumb-bar{padding-top:84px;}
  .form-grid{grid-template-columns:1fr;}
  .apply-card{padding:22px;}
  .side-card{padding:24px;}
  .faq-q{padding:16px 18px 16px 20px;font-size:16px;}
  .faq-a{padding:0 20px 18px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .site-footer{padding:52px 0 22px;}
  .sticky-inner{min-height:56px;}
  .sticky-text{font-size:13px;}
  .sticky-text .hide-sm{display:none;}
  .sticky-actions .btn{flex:1 1 auto;}
}
@media (max-width:520px){
  .info-strip{grid-template-columns:1fr;}
  .info-item{border-right:0;border-bottom:1px solid var(--line);}
  .info-item:last-child{border-bottom:0;}
  .hero-meta{gap:16px;}
  .anchor-pills a{font-size:13px;padding:7px 13px;}
}

/* roulang page: category3 */
:root{
  --brand-900:#0B3E36;
  --brand-700:#0E6B5C;
  --brand-300:#9CCBBE;
  --brand-050:#E6F2EE;
  --accent-500:#E4622F;
  --accent-200:#F7D9C4;
  --bg-paper:#F6F1E7;
  --bg-card:#FFFFFF;
  --bg-nav:#F1EDE3;
  --ink-900:#16211E;
  --ink-600:#4A5A55;
  --line:#E3DED2;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(16,33,29,.06), 0 10px 26px -14px rgba(16,33,29,.20);
  --shadow-2:0 2px 6px rgba(16,33,29,.08), 0 20px 44px -20px rgba(16,33,29,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
  --section-pad:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg-paper);
  color:var(--ink-900);
  font-size:16px;
  line-height:1.85;
  transition:padding-bottom .3s var(--ease);
  -webkit-font-smoothing:antialiased;
}
body.bar-open{padding-bottom:60px;}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--brand-700);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-900);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:-.01em;}
h1{font-size:clamp(30px,4.2vw,50px);line-height:1.25;}
h2{font-size:30px;line-height:1.35;}
h3{font-size:21px;line-height:1.5;}
h4{font-size:17px;line-height:1.5;}
p{margin:0 0 14px;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,.btn:focus-visible,[tabindex]:focus-visible{
  outline:3px solid rgba(14,107,92,.32);
  outline-offset:2px;
  border-radius:var(--radius-btn);
}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.row{--bs-gutter-x:24px;--bs-gutter-y:24px;}
.col, .col-md-6, .col-lg-5, .col-lg-7{min-width:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1.2;
  padding:12px 22px;border-radius:var(--radius-btn);
  border:1px solid transparent;cursor:pointer;
  transition:all .2s var(--ease);
  text-align:center;
}
.btn-brand{background:var(--brand-700);color:#fff;}
.btn-brand:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-ghost{background:var(--bg-card);color:var(--ink-900);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand-700);color:var(--brand-700);transform:translateY(-2px);}
.btn-accent{background:var(--accent-500);color:#fff;}
.btn-accent:hover{background:#c9531f;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-wide{width:100%;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-700);}
.link-more span{transition:transform .2s var(--ease);}
.link-more:hover span{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-050);color:var(--brand-700);
  font-size:12.5px;font-weight:600;line-height:1;
  padding:7px 12px;border-radius:999px;
}
.badge-outline{
  display:inline-flex;align-items:center;
  border:1px solid var(--brand-300);color:var(--brand-700);
  font-size:12.5px;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:999px;
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(246,241,231,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -22px rgba(16,33,29,.55);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:20px;font-weight:700;color:var(--ink-900);}
.brand:hover{color:var(--brand-700);}
.brand-dot{width:12px;height:12px;border-radius:4px;background:linear-gradient(135deg,var(--brand-700),var(--accent-500));display:inline-block;flex:none;}
.brand-suffix{
  font-size:12.5px;font-weight:600;color:var(--brand-700);background:var(--brand-050);
  border-radius:999px;padding:3px 8px;margin-left:4px;
}
.nav-pill{
  display:flex;align-items:center;gap:4px;
  background:var(--bg-nav);border-radius:999px;padding:5px;
}
.nav-pill .nav-link{
  font-size:15px;font-weight:500;color:var(--ink-600);
  padding:8px 16px;border-radius:999px;white-space:nowrap;
  transition:all .2s var(--ease);
}
.nav-pill .nav-link:hover{color:var(--brand-700);background:rgba(255,255,255,.72);}
.nav-pill .nav-link.active{background:#fff;color:var(--brand-700);font-weight:600;box-shadow:0 1px 2px rgba(16,33,29,.10);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;transition:border-color .2s var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);}
.nav-toggle:hover{border-color:var(--brand-700);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,62,54,.45);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease);z-index:1050;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,360px);
  background:#fff;z-index:1060;padding:20px;
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  transform:translateX(102%);transition:transform .3s var(--ease);
  box-shadow:-20px 0 50px -30px rgba(11,62,54,.6);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;
  font-size:18px;line-height:1;color:var(--ink-600);cursor:pointer;
}
.drawer-close:hover{border-color:var(--brand-700);color:var(--brand-700);}
.drawer-nav{display:grid;gap:4px;}
.drawer-nav a{
  font-size:16px;color:var(--ink-900);padding:12px 14px;border-radius:12px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-nav a:hover{background:var(--brand-050);color:var(--brand-700);}
.drawer-nav a.active{background:var(--brand-050);color:var(--brand-700);font-weight:600;}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:52px 0 44px;
  background:linear-gradient(180deg,#FCF9F3 0%,var(--bg-paper) 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(14,107,92,.14),rgba(14,107,92,0) 68%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(14,107,92,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(14,107,92,.05) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 78%);
}
.page-hero .container{position:relative;z-index:1;}
.crumb{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-600);margin-bottom:20px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--brand-300);}
.crumb a{color:var(--ink-600);}
.crumb a:hover{color:var(--brand-700);}
.crumb .current{color:var(--brand-700);font-weight:600;}
.page-hero h1{max-width:22em;}
.page-hero .hero-sub{font-size:17px;line-height:1.85;color:var(--ink-600);max-width:44em;margin:16px 0 0;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.anchor-pills a{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:9px 16px;font-size:14px;font-weight:500;color:var(--ink-600);
  transition:all .2s var(--ease);
}
.anchor-pills a:hover{background:var(--brand-050);border-color:var(--brand-300);color:var(--brand-700);transform:translateY(-2px);}

/* ---------- 板块 ---------- */
.section{padding:var(--section-pad) 0;}
.section-paper{background:var(--bg-paper);}
.section-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:50em;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--brand-700);
  text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand-300);border-radius:2px;}
.section-head p{font-size:16px;color:var(--ink-600);margin-top:12px;max-width:44em;}

/* ---------- 步骤时间轴 ---------- */
.timeline{list-style:none;display:flex;position:relative;margin:0;padding:8px 0 0;}
.timeline li{flex:1;position:relative;padding:0 16px;}
.timeline li::before{
  content:"";position:absolute;top:20px;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--line),var(--brand-300),var(--line));
}
.timeline li:first-child::before{left:50%;}
.timeline li:last-child::before{right:50%;}
.step-num{
  position:relative;z-index:1;width:42px;height:42px;margin:0 auto 16px;
  border-radius:50%;background:#fff;border:2px solid var(--brand-300);
  color:var(--brand-700);font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  transition:all .25s var(--ease);
}
.timeline li:hover .step-num{background:var(--brand-700);border-color:var(--brand-700);color:#fff;transform:translateY(-3px);}
.timeline h3{font-size:17px;text-align:center;margin-bottom:8px;}
.timeline p{font-size:14px;line-height:1.8;color:var(--ink-600);text-align:center;margin:0;}

/* ---------- 强度分档深色区 ---------- */
.section-dark{background:var(--brand-900);color:#E7F0ED;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-dark .eyebrow{color:var(--brand-300);}
.section-dark .eyebrow::before{background:rgba(156,203,190,.5);}
.section-dark .section-head p{color:rgba(231,240,237,.72);}
.grade-list{display:grid;gap:14px;}
.grade-row{
  display:grid;grid-template-columns:180px 1fr 200px;gap:24px;align-items:center;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-card);
  padding:22px 24px;
  transition:all .25s var(--ease);
}
.grade-row:hover{background:rgba(255,255,255,.09);border-color:rgba(156,203,190,.45);transform:translateY(-2px);}
.grade-name{font-size:17px;font-weight:700;color:#fff;display:flex;align-items:center;gap:10px;}
.grade-name i{width:8px;height:8px;border-radius:50%;background:var(--accent-500);display:inline-block;font-style:normal;}
.grade-desc{font-size:14.5px;line-height:1.8;color:rgba(231,240,237,.78);margin:0;}
.grade-data{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;}
.grade-data span{
  font-size:13px;color:#CFE6E0;background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:5px 12px;white-space:nowrap;
}

/* ---------- 案例图文交替 ---------- */
.case-row{align-items:center;}
.case-row + .case-row{margin-top:56px;padding-top:56px;border-top:1px dashed var(--line);}
.case-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line);box-shadow:var(--shadow-1);}
.case-body h3{margin-bottom:12px;}
.case-body > p{font-size:16px;color:var(--ink-600);max-width:40em;}
.case-points{list-style:none;display:grid;gap:12px;margin-top:18px;}
.case-points li{position:relative;padding-left:22px;font-size:15px;color:var(--ink-900);line-height:1.8;}
.case-points li::before{
  content:"";position:absolute;left:0;top:11px;width:10px;height:10px;border-radius:3px;
  background:var(--brand-050);border:2px solid var(--brand-300);
}
.case-facts{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line);}
.case-facts div{font-size:13px;color:var(--ink-600);}
.case-facts b{display:block;font-size:22px;color:var(--accent-500);font-weight:700;line-height:1.3;}

/* ---------- 保障清单 ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.assure-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;display:flex;gap:16px;transition:all .25s var(--ease);
}
.assure-item:hover{border-color:var(--brand-300);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.assure-icon{
  width:40px;height:40px;flex:none;border-radius:12px;background:var(--brand-050);
  color:var(--brand-700);font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;
}
.assure-item h3{font-size:17px;margin-bottom:6px;}
.assure-item p{font-size:14.5px;line-height:1.8;color:var(--ink-600);margin:0;}

/* ---------- 咨询表单 ---------- */
.consult-wrap{
  display:grid;grid-template-columns:1fr 1.25fr;gap:40px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:40px;box-shadow:var(--shadow-1);
}
.consult-info h2{font-size:28px;margin-bottom:14px;}
.consult-info > p{font-size:15.5px;color:var(--ink-600);}
.consult-list{list-style:none;display:grid;gap:12px;margin-top:20px;}
.consult-list li{position:relative;padding-left:24px;font-size:14.5px;color:var(--ink-900);}
.consult-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:6px;
  border-left:2px solid var(--brand-700);border-bottom:2px solid var(--brand-700);
  transform:rotate(-45deg);
}
.consult-contact{margin-top:24px;padding-top:20px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-600);}
.consult-contact b{color:var(--ink-900);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:8px;}
.form-control,.form-select{
  width:100%;font-family:inherit;font-size:15px;line-height:1.5;color:var(--ink-900);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-input);
  padding:12px 14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.form-control::placeholder{color:#9AA8A3;}
.form-control:focus,.form-select:focus{
  outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(14,107,92,.15);
}
textarea.form-control{min-height:96px;resize:vertical;}
.field-error{display:none;font-size:13px;color:var(--accent-500);margin-top:6px;}
.field.invalid .form-control,.field.invalid .form-select{border-color:var(--accent-500);}
.field.invalid .field-error{display:block;}
.form-success{
  display:none;margin-top:16px;font-size:14.5px;color:var(--brand-700);
  background:var(--brand-050);border:1px solid var(--brand-300);border-radius:var(--radius-input);
  padding:12px 16px;
}
.form-success.show{display:block;}
.form-note{font-size:13px;color:var(--ink-600);margin-top:12px;}

/* ---------- 底部转化条 ---------- */
.bottom-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1035;
  background:var(--brand-900);color:#F2F7F5;
  box-shadow:0 -12px 34px -22px rgba(11,62,54,.9);
  transform:translateY(110%);transition:transform .3s var(--ease);
}
.bottom-bar.is-visible{transform:translateY(0);}
.bottom-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:60px;}
.bottom-bar p{margin:0;font-size:14px;color:rgba(242,247,245,.9);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.bar-actions{display:flex;align-items:center;gap:12px;flex:none;}
.bar-close{
  width:28px;height:28px;border-radius:50%;border:1px solid rgba(255,255,255,.3);
  background:transparent;color:rgba(255,255,255,.75);font-size:15px;line-height:1;cursor:pointer;
}
.bar-close:hover{border-color:var(--accent-200);color:var(--accent-200);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#E7F0ED;padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:9px;font-size:19px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand .brand-dot{background:linear-gradient(135deg,var(--brand-300),var(--accent-500));}
.footer-brand .brand-suffix{background:rgba(255,255,255,.12);color:#CFE6E0;}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(231,240,237,.72);margin:0;max-width:34em;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin:0 0 16px;letter-spacing:.04em;}
.footer-links,.footer-contact{list-style:none;display:grid;gap:10px;font-size:14.5px;}
.footer-links a{color:rgba(231,240,237,.78);}
.footer-links a:hover{color:var(--accent-200);}
.footer-contact li{color:rgba(231,240,237,.78);line-height:1.75;}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(231,240,237,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .grade-row{grid-template-columns:160px 1fr;gap:16px;}
  .grade-data{grid-column:1 / -1;justify-content:flex-start;}
}
@media (max-width:991.98px){
  :root{--section-pad:72px;}
  .header-inner{height:60px;}
  h2{font-size:26px;}
  .nav-pill{display:none;}
  .timeline{flex-direction:column;gap:16px;padding-top:0;}
  .timeline li{
    padding:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    display:grid;grid-template-columns:46px 1fr;gap:14px;align-items:start;
  }
  .timeline li::before{display:none;}
  .step-num{margin:0;width:46px;height:46px;}
  .timeline h3,.timeline p{text-align:left;}
  .timeline h3{margin-bottom:6px;grid-column:2;}
  .timeline li p{grid-column:2;}
  .assure-grid{grid-template-columns:1fr;}
  .consult-wrap{grid-template-columns:1fr;padding:28px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .case-row + .case-row{margin-top:40px;padding-top:40px;}
}
@media (max-width:767.98px){
  :root{--section-pad:56px;}
  .container{padding-left:16px;padding-right:16px;}
  .row{--bs-gutter-x:16px;--bs-gutter-y:16px;}
  body.bar-open{padding-bottom:56px;}
  .page-hero{padding:36px 0 32px;}
  .page-hero .hero-sub{font-size:15.5px;}
  .section-head{margin-bottom:28px;}
  .grade-row{padding:18px;grid-template-columns:1fr;}
  .grade-data{justify-content:flex-start;}
  .assure-item{padding:20px;gap:12px;}
  .bottom-bar-inner{height:56px;gap:12px;}
  .bottom-bar p{font-size:13px;}
  .bar-actions .btn{flex:none;min-width:60%;padding:9px 14px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .consult-wrap{padding:20px;}
  .case-facts div b{font-size:20px;}
}
@media (max-width:519.98px){
  h1{font-size:27px;}
  .brand{font-size:18px;}
  .badge-soft,.badge-outline{font-size:12px;}
}