/* roulang page: index */
:root{
  --primary:#0E6E63;
  --primary-dark:#0A5148;
  --primary-light:#E3EFEC;
  --accent:#E2763C;
  --accent-dark:#CF6631;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --dark:#10221F;
  --text:#1C2321;
  --text-2:#5A6663;
  --border:#DCD8CF;
  --divider:#E8E4DB;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,34,31,.06), 0 10px 24px -14px rgba(16,34,31,.16);
  --sh-2:0 14px 32px -14px rgba(16,34,31,.24);
  --t:.22s cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  padding-top:68px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color var(--t),transform var(--t)}
a:hover{color:var(--primary-dark)}
button,input,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);line-height:1.3}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:var(--primary-light);color:var(--primary-dark)}

.container-c{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1400px){.container-c{max-width:1280px}}

/* ---------- 按钮 ---------- */
.btn-c,.btn-o{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all var(--t);white-space:nowrap;
}
.btn-c{background:var(--accent);color:#fff;box-shadow:var(--sh-1)}
.btn-c:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-c:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-c:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-o{background:transparent;color:var(--primary);border-color:rgba(14,110,99,.42)}
.btn-o:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--primary);transform:translateY(-2px)}
.btn-o:active{transform:translateY(0)}
.btn-o:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-sm{padding:9px 16px;font-size:14px}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;height:68px;
  background:rgba(247,244,238,.88);transition:background var(--t),box-shadow var(--t),border-color var(--t);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(247,244,238,.94);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--divider);
  box-shadow:0 6px 18px -16px rgba(16,34,31,.3);
}
.nav-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.logo:hover{color:var(--primary)}
.logo-mark{width:28px;height:28px;flex:0 0 28px}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-menu a.nav-item-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 0;display:inline-block;
}
.nav-menu a.nav-item-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);border-radius:2px;
}
.nav-menu a.nav-item-link:hover{color:var(--primary)}
.nav-menu a.nav-item-link:hover::after{transform:scaleX(1)}
.nav-menu a.nav-item-link.active{color:var(--primary)}
.nav-menu a.nav-item-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:18px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--border);
  background:#fff;color:var(--text);align-items:center;justify-content:center;cursor:pointer;transition:all var(--t);
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}
.nav-drawer{
  position:fixed;top:68px;left:0;right:0;bottom:0;background:var(--dark);z-index:1029;
  padding:16px 20px 36px;transform:translateY(-8px);opacity:0;pointer-events:none;transition:all var(--t);
  overflow-y:auto;
}
.nav-drawer.open{transform:translateY(0);opacity:1;pointer-events:auto}
.nav-drawer a{
  display:block;line-height:52px;color:#E8EFEC;font-size:16px;font-weight:500;
  border-bottom:1px solid rgba(255,255,255,.08);padding-left:14px;position:relative;
}
.nav-drawer a:hover{color:var(--accent)}
.nav-drawer a.active{color:#fff}
.nav-drawer a.active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;background:var(--accent);border-radius:3px;
}
.nav-drawer .drawer-cta{margin-top:22px;border-bottom:0;padding-left:0}
@media (max-width:991.98px){
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex}
  .nav-right .btn-c{display:none}
}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 88px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(14,110,99,.13) 1px, transparent 1px);
  background-size:22px 22px;opacity:.55;pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:var(--primary-light);color:var(--primary-dark);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.eyebrow i{font-size:12px;color:var(--accent)}
.hero-title{
  font-size:clamp(30px,4.4vw,52px);line-height:1.22;font-weight:700;letter-spacing:-.01em;margin-bottom:20px;
}
.hero-title em{font-style:normal;color:var(--primary);position:relative}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.trust-row{display:flex;flex-wrap:wrap;gap:26px}
.trust-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2)}
.trust-item .ti-icon{
  width:34px;height:34px;border-radius:50%;border:1px solid rgba(14,110,99,.28);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--primary);font-size:13px;flex:0 0 34px;
}
.hero-visual{
  position:relative;border-radius:var(--r-img);overflow:hidden;min-height:430px;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  box-shadow:var(--sh-2);display:flex;flex-direction:column;justify-content:flex-end;padding:26px;
}
.hero-visual::before{content:"";position:absolute;inset:0;background:rgba(16,34,31,.45)}
.hero-visual > *{position:relative;z-index:1}
.hv-tag{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;background:rgba(255,255,255,.14);
  color:#F2F7F5;font-size:12px;padding:6px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.22);margin-bottom:16px;
}
.hv-title{color:#fff;font-size:22px;font-weight:600;line-height:1.5;margin-bottom:16px}
.hv-bars{display:grid;gap:10px}
.hv-bar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(255,255,255,.94);border-radius:12px;padding:12px 16px;font-size:14px;color:var(--text);
}
.hv-bar span{color:var(--text-2);font-size:13px}
.hv-bar strong{font-weight:600;color:var(--primary-dark)}
@media (max-width:991.98px){
  .hero{padding:40px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{min-height:320px}
  .hero-sub{font-size:16px}
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:#fff;border-top:1px solid var(--divider);border-bottom:1px solid var(--divider)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-title{font-size:clamp(24px,3vw,34px);line-height:1.3;margin-bottom:14px}
.section-desc{font-size:16px;color:var(--text-2)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.link-more{font-size:15px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{gap:10px;color:var(--primary-dark)}
@media (max-width:767.98px){
  .section{padding:60px 0}
  .section-head{margin-bottom:28px}
}

/* ---------- 服务能力网格 ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cap-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:26px 24px;
  box-shadow:var(--sh-1);transition:all var(--t);
}
.cap-card:hover{transform:translateY(-3px);border-color:rgba(14,110,99,.32);box-shadow:var(--sh-2)}
.cap-icon{
  width:44px;height:44px;border-radius:50%;background:var(--primary-light);color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:18px;
}
.cap-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.cap-card p{font-size:14.5px;color:var(--text-2);line-height:1.8}
@media (max-width:1199.98px){.cap-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575.98px){.cap-grid{grid-template-columns:1fr;gap:16px}}

/* ---------- 三步上手 ---------- */
.steps-wrap{display:grid;grid-template-columns:1fr 2fr;gap:44px;align-items:start}
.steps-intro h2{font-size:clamp(24px,3vw,34px);margin-bottom:16px}
.steps-intro p{color:var(--text-2);margin-bottom:22px}
.step-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:28px 24px 24px;
  box-shadow:var(--sh-1);transition:all var(--t);display:flex;flex-direction:column;
}
.step-card:nth-child(2){transform:translateY(-24px)}
.step-card:hover{transform:translateY(-3px);border-color:rgba(14,110,99,.32);box-shadow:var(--sh-2)}
.step-card:nth-child(2):hover{transform:translateY(-27px)}
.step-num{font-size:38px;font-weight:700;color:var(--accent);line-height:1;letter-spacing:-.02em;margin-bottom:18px}
.step-icon{color:var(--primary);font-size:18px;margin-bottom:12px}
.step-card h3{font-size:20px;font-weight:600;margin-bottom:10px}
.step-card p{font-size:14.5px;color:var(--text-2);margin-bottom:20px}
.step-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.step-link:hover{gap:10px;color:var(--primary-dark)}
@media (max-width:991.98px){
  .steps-wrap{grid-template-columns:1fr;gap:30px}
  .step-cards{grid-template-columns:1fr;gap:18px}
  .step-card:nth-child(2){transform:none}
  .step-card:nth-child(2):hover{transform:translateY(-3px)}
}

/* ---------- 场景标签 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:22px;
  box-shadow:var(--sh-1);transition:all var(--t);border-left:3px solid transparent;
}
.scene-item:hover{border-left-color:var(--accent);transform:translateY(-3px);box-shadow:var(--sh-2)}
.scene-item h3{font-size:17px;font-weight:600;margin-bottom:8px}
.scene-item p{font-size:14.5px;color:var(--text-2)}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-block;background:var(--primary-light);color:var(--primary-dark);
  font-size:11.5px;font-weight:600;padding:4px 11px;border-radius:999px;letter-spacing:.01em;
}
@media (max-width:991.98px){.scene-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575.98px){.scene-grid{grid-template-columns:1fr}}

/* ---------- 案例证明 ---------- */
.case-grid{display:grid;grid-template-columns:1.08fr 1fr;gap:24px;align-items:stretch}
.case-main{
  position:relative;border-radius:var(--r-img);overflow:hidden;background:#10221F;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;justify-content:flex-end;min-height:360px;
}
.case-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.case-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,34,31,.1),rgba(16,34,31,.78))}
.case-main-inner{position:relative;z-index:1;padding:28px}
.case-main-inner .tag{background:rgba(255,255,255,.16);color:#F0F6F4}
.case-main-inner h3{color:#fff;font-size:21px;font-weight:600;margin:14px 0 8px;line-height:1.5}
.case-main-inner p{color:#C9D6D2;font-size:14px;margin:0}
.case-list{display:grid;gap:24px}
.case-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-1);transition:all var(--t);display:flex;flex-direction:column;justify-content:space-between;
}
.case-item:hover{transform:translateY(-3px);border-color:rgba(14,110,99,.32);box-shadow:var(--sh-2)}
.case-item h3{font-size:17px;font-weight:600;margin:14px 0 10px;line-height:1.6}
.case-meta{font-size:13px;color:var(--text-2);display:flex;align-items:center;gap:8px}
@media (max-width:767.98px){
  .case-grid{grid-template-columns:1fr}
  .case-main{min-height:280px}
}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.news-card{
  display:flex;gap:18px;background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--sh-1);transition:all var(--t);color:inherit;
}
.news-card:hover{transform:translateY(-3px);border-color:rgba(14,110,99,.32);box-shadow:var(--sh-2);color:inherit}
.news-thumb{flex:0 0 132px;width:132px;height:104px;border-radius:12px;overflow:hidden;background:var(--primary-light)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{min-width:0;display:flex;flex-direction:column}
.news-body h3{
  font-size:17px;font-weight:600;line-height:1.5;margin:8px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--text-2);margin:0 0 12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-date{margin-top:auto;font-size:13px;color:var(--text-2);display:flex;align-items:center;gap:6px}
.empty-state{
  background:var(--card);border:1px dashed var(--border);border-radius:var(--r-card);padding:52px 24px;
  text-align:center;box-shadow:var(--sh-1);
}
.empty-state i{font-size:30px;color:var(--text-2);opacity:.6}
.empty-state p{color:var(--text-2);font-size:15px;margin:14px 0 20px}
@media (max-width:767.98px){
  .news-grid{grid-template-columns:1fr;gap:16px}
  .news-card{flex-direction:column}
  .news-thumb{flex:none;width:100%;height:170px}
}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:44px;align-items:start}
.faq-intro h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.faq-intro p{color:var(--text-2);margin-bottom:20px}
.faq-acc{
  --bs-accordion-border-color:transparent;
  --bs-accordion-border-radius:14px;
  --bs-accordion-inner-border-radius:14px;
  --bs-accordion-btn-bg:#fff;
  --bs-accordion-active-bg:#fff;
  --bs-accordion-btn-color:var(--text);
  --bs-accordion-active-color:var(--primary);
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-btn-focus-border-color:transparent;
  --bs-accordion-btn-padding-x:24px;
  --bs-accordion-btn-padding-y:20px;
  --bs-accordion-btn-font-size:16px;
  --bs-accordion-btn-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230E6E63'%3E%3Cpath d='M8 11.6 2.4 6l1.1-1.1L8 9.4l4.5-4.5L13.6 6z'/%3E%3C/svg%3E");
  --bs-accordion-btn-active-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23E2763C'%3E%3Cpath d='M8 11.6 2.4 6l1.1-1.1L8 9.4l4.5-4.5L13.6 6z'/%3E%3C/svg%3E");
  --bs-accordion-btn-icon-width:1rem;
}
.faq-acc .accordion-item{
  border:1px solid var(--border);border-radius:14px !important;margin-bottom:14px;overflow:hidden;
  box-shadow:var(--sh-1);transition:all var(--t);
}
.faq-acc .accordion-item:hover{border-color:rgba(14,110,99,.32)}
.faq-acc .accordion-button{
  font-weight:600;color:var(--text);position:relative;background:#fff;border-radius:14px !important;
  transition:color var(--t),background var(--t);
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--primary);background:#fff;
  box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--accent);border-radius:3px;
}
.faq-acc .accordion-button::after{transition:transform var(--t)}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-2px}
.faq-acc .accordion-body{
  padding:0 24px 22px;color:var(--text-2);font-size:15px;line-height:1.85;background:#fff;
}
@media (max-width:991.98px){
  .faq-wrap{grid-template-columns:1fr;gap:26px}
}

/* ---------- CTA 区 ---------- */
.cta-dark{
  position:relative;background:var(--dark);color:#EDF3F1;padding:76px 0;overflow:hidden;
}
.cta-dark::before{
  content:"";position:absolute;inset:0;opacity:.08;
  background-image:repeating-linear-gradient(45deg,#fff 0 1px,transparent 1px 16px);
  pointer-events:none;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.cta-copy h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:16px}
.cta-copy p{color:#A9B5B1;font-size:16px;max-width:460px}
.cta-points{margin-top:24px;display:grid;gap:12px}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:#C9D6D2}
.cta-points i{color:var(--accent);font-size:13px}
.cta-form{
  background:#fff;border-radius:var(--r-card);padding:30px;box-shadow:var(--sh-2);
}
.cta-form h3{font-size:19px;font-weight:600;margin-bottom:6px}
.cta-form .form-note{font-size:13.5px;color:var(--text-2);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text);margin-bottom:8px}
.field input,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--r-btn);
  background:#fff;color:var(--text);font-size:15px;transition:all var(--t);
}
.field input::placeholder,.field textarea::placeholder{color:#9AA5A2}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);
}
.field.error input,.field.error textarea{border-color:var(--accent)}
.field .err-msg{display:none;font-size:13px;color:var(--accent);margin-top:6px}
.field.error .err-msg{display:block}
.form-privacy{font-size:12.5px;color:var(--text-2);margin-top:14px;line-height:1.7}
.form-ok{display:none;font-size:14px;color:var(--primary);margin-top:14px;font-weight:600}
.form-ok.show{display:block}
@media (max-width:991.98px){
  .cta-dark{padding:56px 0}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .cta-form{padding:24px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#A9B5B1;padding:64px 0 0;position:relative}
.site-footer::before{
  content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:radial-gradient(#fff 1px,transparent 1px);background-size:20px 20px;
}
.footer-grid{position:relative;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:0}
.footer-col{padding:0 26px;border-left:1px solid rgba(255,255,255,.08)}
.footer-col:first-child{border-left:0;padding-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.85;color:#A9B5B1;max-width:320px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-links li{margin-bottom:11px}
.footer-links a{color:#A9B5B1;font-size:14px;display:inline-block;transition:all var(--t)}
.footer-links a:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  position:relative;margin-top:52px;border-top:1px solid rgba(255,255,255,.08);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:13px;color:#8C9995;margin:0}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 0}
  .footer-col{padding:0 18px}
  .footer-col:nth-child(odd){border-left:0;padding-left:0}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-col{border-left:0;padding:0}
  .site-footer{padding-top:52px}
}

/* roulang page: article */
:root{
  --primary:#0E6E63;
  --primary-dark:#0A5148;
  --primary-light:#E3EFEC;
  --accent:#E2763C;
  --accent-dark:#C9622C;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --dark:#10221F;
  --text:#1C2321;
  --text-2:#5A6663;
  --border:#DCD8CF;
  --divider:#E8E4DB;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(16,34,31,.06),0 10px 24px -14px rgba(16,34,31,.16);
  --shadow-2:0 14px 32px -14px rgba(16,34,31,.24);
  --ease:.22s 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","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;font-weight:700;color:var(--text);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:var(--ease);}
a:hover{color:var(--primary);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
::selection{background:var(--primary-light);color:var(--primary-dark);}

.container-c{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){.container-c{max-width:1280px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,244,238,.94);
  border-bottom:1px solid transparent;
  transition:var(--ease);
}
.site-header.scrolled{
  background:rgba(247,244,238,.78);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom-color:var(--divider);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text);}
.logo:hover{color:var(--primary);}
.logo-mark{width:28px;height:28px;flex:0 0 auto;}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-item-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;white-space:nowrap;
}
.nav-item-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:var(--ease);
}
.nav-item-link:hover{color:var(--primary);}
.nav-item-link:hover::after{transform:scaleX(1);opacity:.45;}
.nav-item-link.active{color:var(--primary);}
.nav-item-link.active::after{transform:scaleX(1);opacity:1;}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--border);
  background:var(--card);color:var(--primary);font-size:16px;align-items:center;justify-content:center;
  cursor:pointer;transition:var(--ease);
}
.nav-toggle:hover{border-color:rgba(14,110,99,.32);color:var(--primary-dark);}

/* ---------- buttons ---------- */
.btn-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);border:1px solid transparent;
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;transition:var(--ease);
  box-shadow:0 6px 18px -10px rgba(226,118,60,.72);
}
.btn-c:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px -14px rgba(226,118,60,.85);}
.btn-c:active{transform:translateY(0);box-shadow:none;}
.btn-c:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn-c.btn-sm{padding:9px 16px;font-size:14px;}
.btn-ghost{background:transparent;color:var(--primary);border-color:rgba(14,110,99,.42);box-shadow:none;}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-ghost-light{background:transparent;color:#E3EFEC;border-color:rgba(227,239,236,.42);box-shadow:none;}
.btn-ghost-light:hover{background:rgba(227,239,236,.12);color:#fff;transform:translateY(-2px);}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--primary-light);color:var(--primary);
  font-size:12px;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:999px;white-space:nowrap;
}

/* ---------- article hero ---------- */
.article-hero{
  padding:34px 0 34px;
  border-bottom:1px solid var(--divider);
  background:linear-gradient(180deg,rgba(227,239,236,.5),rgba(247,244,238,0) 78%);
}
.breadcrumb-c{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-2);margin-bottom:18px;
}
.breadcrumb-c a{color:var(--text-2);}
.breadcrumb-c a:hover{color:var(--primary);}
.breadcrumb-c i{font-size:10px;opacity:.7;}
.crumb-current{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--primary);}
.article-hero h1{
  font-size:clamp(26px,3.6vw,42px);
  line-height:1.28;font-weight:700;letter-spacing:-.01em;
  max-width:920px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:14px;
  margin-top:20px;font-size:13px;color:var(--text-2);
}
.meta-item{display:inline-flex;align-items:center;gap:6px;color:var(--text-2);}
.meta-item i{color:var(--primary);font-size:12px;}
.meta-sep{width:1px;height:12px;background:var(--border);}

/* ---------- article body ---------- */
.article-body{padding:52px 0 0;}
.side-inner{position:sticky;top:92px;}
.side-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);margin-bottom:18px;
}
.side-card h3{
  font-size:15px;font-weight:700;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3 i{color:var(--accent);font-size:14px;}
.side-card p{font-size:14px;line-height:1.75;color:var(--text-2);margin-bottom:14px;}
.side-toc{display:flex;flex-direction:column;}
.side-toc a{
  display:block;font-size:14px;color:var(--text-2);
  padding:8px 10px;border-left:3px solid transparent;border-radius:0 8px 8px 0;
  transition:var(--ease);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.side-toc a:hover{color:var(--primary);background:var(--primary-light);border-left-color:var(--accent);transform:translateX(2px);}
.side-toc a.on{color:var(--primary);font-weight:600;border-left-color:var(--accent);background:var(--primary-light);}
.side-links li{margin-bottom:6px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--text-2);padding:9px 10px;border-left:3px solid transparent;
  border-radius:0 8px 8px 0;transition:var(--ease);
}
.side-links a i{font-size:11px;opacity:.6;}
.side-links a:hover{color:var(--primary);background:var(--primary-light);border-left-color:var(--accent);transform:translateX(2px);}
.side-card-dark{background:var(--dark);border-color:var(--dark);}
.side-card-dark h3{color:#fff;}
.side-card-dark h3 i{color:var(--accent);}
.side-card-dark p{color:#A9B5B1;}

.article-content{
  font-size:17px;line-height:1.9;color:var(--text);
  max-width:760px;overflow-wrap:break-word;
}
.article-content h2{
  position:relative;font-size:clamp(21px,2.4vw,26px);line-height:1.4;font-weight:700;
  margin:2.2em 0 .8em;padding-left:16px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.26em;width:4px;height:1em;border-radius:2px;
  background:var(--primary);
}
.article-content h3{font-size:20px;line-height:1.45;font-weight:600;margin:1.8em 0 .7em;}
.article-content h4{font-size:17px;font-weight:600;margin:1.6em 0 .6em;}
.article-content p{margin:0 0 1.1em;}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-content a:hover{color:var(--accent);}
.article-content strong{font-weight:700;color:var(--primary-dark);}
.article-content ul,.article-content ol{margin:0 0 1.3em;}
.article-content ul li{position:relative;padding-left:20px;margin-bottom:.55em;}
.article-content ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--primary);opacity:.85;
}
.article-content ol{list-style:decimal;padding-left:1.4em;}
.article-content ol li{margin-bottom:.55em;padding-left:.2em;}
.article-content blockquote{
  margin:1.6em 0;padding:18px 22px;
  background:var(--primary-light);border-left:3px solid var(--primary);
  border-radius:0 12px 12px 0;color:var(--text);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{
  max-width:100%;height:auto;border-radius:var(--r-img);
  margin:1.5em auto;box-shadow:var(--shadow-1);
}
.article-content figure{margin:1.5em 0;}
.article-content figure img{margin:0 auto;}
.article-content figcaption{
  text-align:center;font-size:13px;line-height:1.6;color:var(--text-2);margin-top:10px;
}
.article-content table{
  display:block;width:100%;overflow-x:auto;
  border:1px solid var(--border);border-radius:var(--r-img);background:var(--card);
  margin:1.6em 0;font-size:15px;border-collapse:collapse;
}
.article-content th,.article-content td{
  padding:12px 16px;border-bottom:1px solid var(--divider);text-align:left;white-space:nowrap;
}
.article-content th{background:var(--primary-light);color:var(--primary-dark);font-weight:600;}
.article-content tr:last-child td{border-bottom:0;}
.article-content code{
  background:var(--primary-light);color:var(--primary-dark);
  padding:2px 6px;border-radius:6px;font-size:.92em;
}
.article-content hr{border:0;border-top:1px solid var(--divider);margin:2em 0;}
.article-content>*:first-child{margin-top:0;}

.article-actions{margin-top:40px;padding-top:24px;border-top:1px solid var(--divider);display:flex;flex-wrap:wrap;gap:12px;}

.empty-state{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:48px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-state i{font-size:30px;color:var(--text-2);opacity:.6;margin-bottom:14px;display:block;}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:20px;}

/* ---------- related ---------- */
.related-section{padding:80px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;}
.section-head .section-sub{font-size:15px;color:var(--text-2);margin:10px 0 0;}
.text-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{color:var(--accent);gap:10px;}
.rel-card{
  display:flex;gap:16px;height:100%;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:14px;box-shadow:var(--shadow-1);transition:var(--ease);
}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(14,110,99,.32);box-shadow:var(--shadow-2);}
.rel-thumb{
  width:104px;height:78px;flex:0 0 auto;border-radius:12px;
  background-size:cover;background-position:center;background-color:var(--primary-light);
}
.rel-body{min-width:0;display:flex;flex-direction:column;justify-content:center;}
.rel-body h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.rel-body .rel-meta{font-size:13px;color:var(--text-2);display:flex;align-items:center;gap:10px;}

/* ---------- faq ---------- */
.faq-section{padding:88px 0 0;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  box-shadow:var(--shadow-1);overflow:hidden;transition:var(--ease);
}
.faq-item:hover{border-color:rgba(14,110,99,.32);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--text);
  border-left:3px solid transparent;transition:var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f107";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--primary);font-size:14px;transition:var(--ease);flex:0 0 auto;
}
.faq-item[open]{border-color:rgba(14,110,99,.32);}
.faq-item[open] summary{border-left-color:var(--accent);color:var(--primary-dark);}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-body{padding:0 22px 20px 22px;font-size:15px;line-height:1.85;color:var(--text-2);}
.faq-body p{margin-bottom:.9em;}

/* ---------- cta strip ---------- */
.cta-strip{
  margin-top:96px;padding:56px 0;
  background-color:var(--dark);
  background-image:linear-gradient(rgba(16,34,31,.94),rgba(16,34,31,.94)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;background-repeat:no-repeat;
}
.cta-strip-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-strip h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
.cta-strip p{color:#A9B5B1;font-size:15px;margin:10px 0 0;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#A9B5B1;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.08);}
.footer-col:first-child{border-left:0;padding-left:0;}
.footer-col:last-child{padding-right:0;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;letter-spacing:-.01em;margin-bottom:14px;}
.footer-brand .logo-mark{width:28px;height:28px;}
.footer-col p{font-size:14px;line-height:1.8;color:#A9B5B1;max-width:320px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{display:inline-block;font-size:14px;color:#A9B5B1;transition:var(--ease);}
.footer-links a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#7F8D89;
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .nav-menu{gap:20px;}
  .nav-item-link{font-size:14px;}
}
@media (max-width:991.98px){
  .nav-menu{
    position:fixed;top:68px;left:0;right:0;z-index:1029;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--dark);padding:10px 0 18px;
    max-height:calc(100vh - 68px);overflow-y:auto;
    box-shadow:0 22px 44px -22px rgba(16,34,31,.6);
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:var(--ease);
  }
  .nav-menu.open{transform:none;opacity:1;visibility:visible;pointer-events:auto;}
  .nav-item-link{
    color:#E3EFEC;font-size:15px;line-height:52px;padding:0 24px;
    border-left:3px solid transparent;
  }
  .nav-item-link::after{display:none;}
  .nav-item-link:hover{color:#fff;background:rgba(255,255,255,.05);}
  .nav-item-link.active{color:#fff;border-left-color:var(--accent);background:rgba(255,255,255,.05);}
  .nav-toggle{display:inline-flex;}
  .side-inner{position:static;margin-top:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:34px;}
  .footer-col{padding:0 20px;}
  .footer-col:nth-child(odd){border-left:0;padding-left:0;}
  .footer-col:nth-child(even){padding-right:0;}
  .related-section{padding-top:64px;}
  .faq-section{padding-top:64px;}
  .cta-strip{margin-top:64px;padding:48px 0;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .article-hero{padding:24px 0 26px;}
  .article-hero h1{-webkit-line-clamp:3;}
  .article-body{padding:36px 0 0;}
  .article-content{font-size:16.5px;line-height:1.85;}
  .article-content h2{margin:1.9em 0 .7em;padding-left:14px;}
  .side-card{padding:18px;}
  .rel-card{flex-direction:row;}
  .rel-thumb{width:88px;height:68px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col{border-left:0;padding:0 0 0 0;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-strip-inner{gap:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-c{flex:1 1 auto;}
}
@media (max-width:575.98px){
  .container-c{padding-left:16px;padding-right:16px;}
  .logo span{font-size:16px;}
  .btn-c{width:100%;}
  .nav-right .btn-c{width:auto;}
  .rel-card{flex-direction:column;}
  .rel-thumb{width:100%;height:150px;}
  .meta-row{gap:10px;}
  .crumb-current{max-width:150px;}
}

/* roulang page: category1 */
:root{
  --primary:#0E6E63;
  --primary-dark:#0A5148;
  --primary-light:#E3EFEC;
  --accent:#E2763C;
  --accent-dark:#D2682F;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --dark:#10221F;
  --text:#1C2321;
  --text-2:#5A6663;
  --border:#DCD8CF;
  --divider:#E8E4DB;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,34,31,.06),0 10px 24px -14px rgba(16,34,31,.16);
  --shadow-2:0 14px 32px -14px rgba(16,34,31,.24);
  --ease:.22s cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --bs-body-color:#1C2321;
  --bs-body-bg:#F7F4EE;
  --bs-link-color:#0E6E63;
  --bs-link-hover-color:#0A5148;
  --bs-border-color:#DCD8CF;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;}
p{margin:0 0 1.1em;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
button{background:none;border:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
::selection{background:var(--primary-light);color:var(--primary-dark);}

.container-c{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container-c{max-width:1280px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,244,238,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--divider);
  transition:box-shadow var(--ease),background-color var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px -16px rgba(16,34,31,.4);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text);}
.logo:hover{color:var(--primary);}
.logo-mark{width:28px;height:28px;flex:0 0 28px;}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-item-link{
  position:relative;display:inline-flex;align-items:center;height:68px;
  font-size:15px;font-weight:500;color:var(--text-2);transition:color var(--ease);
}
.nav-item-link:hover{color:var(--primary);}
.nav-item-link.active{color:var(--primary);font-weight:600;}
.nav-item-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--accent);
}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--radius-btn);
  border:1px solid var(--border);background:var(--card);color:var(--primary);
  font-size:17px;cursor:pointer;transition:all var(--ease);
}
.nav-toggle:hover{border-color:rgba(14,110,99,.32);color:var(--primary-dark);}

/* ---------- 按钮 ---------- */
.btn-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;font-size:15px;font-weight:600;line-height:1.4;
  border-radius:var(--radius-btn);border:1px solid transparent;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn-c i{font-size:14px;}
.btn-c:not(.btn-ghost){background:var(--accent);color:#fff;box-shadow:var(--shadow-1);}
.btn-c:not(.btn-ghost):hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-c:not(.btn-ghost):active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-c:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn-ghost{background:transparent;border-color:rgba(14,110,99,.5);color:var(--primary);}
.btn-ghost:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-outline-light-c{background:transparent;border-color:rgba(255,255,255,.34);color:#fff;}
.btn-outline-light-c:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);color:#fff;transform:translateY(-2px);}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--dark);
  padding:64px 0 62px;
  color:#fff;
}
.cat-hero::before{
  content:"";position:absolute;right:-140px;top:-140px;width:440px;height:440px;border-radius:50%;
  border:1px solid rgba(227,239,236,.14);pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;right:120px;bottom:-200px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(226,118,60,.22);pointer-events:none;
}
.cat-hero .container-c{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#93A29E;margin-bottom:20px;}
.crumb a{color:#C6D2CE;}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:#5E6D69;}
.cat-hero h1{
  color:#fff;font-size:clamp(30px,4.4vw,52px);line-height:1.22;
  letter-spacing:-.01em;font-weight:700;margin-bottom:18px;max-width:880px;
}
.cat-hero .cat-lead{
  color:#C2CFCB;font-size:17px;line-height:1.85;max-width:720px;margin:0 0 26px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:var(--primary-light);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1.6;
}
.tag.tag-dark{background:rgba(227,239,236,.12);color:#CFE0DC;}
.hero-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;}
.hero-points li{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#A9B5B1;}
.hero-points i{color:var(--accent);font-size:14px;}

/* ---------- 主体两栏 ---------- */
.page-main{padding:56px 0 88px;}
.doc-wrap{
  display:grid;grid-template-columns:260px minmax(0,1fr);
  gap:56px;align-items:start;
}
.toc{
  position:sticky;top:96px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:20px 14px;box-shadow:var(--shadow-1);
}
.toc-title{
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--text-2);
  text-transform:uppercase;padding:0 12px;margin-bottom:10px;
}
.toc-link{
  display:block;padding:9px 12px;font-size:15px;color:var(--text-2);
  border-left:3px solid transparent;border-radius:0 8px 8px 0;
  transition:all var(--ease);
}
.toc-link:hover{color:var(--primary);background:var(--primary-light);}
.toc-link.is-active{color:var(--primary);font-weight:600;border-left-color:var(--accent);background:var(--primary-light);}
.toc-tip{
  margin:16px 10px 4px;padding:14px;border-radius:12px;background:var(--primary-light);
  font-size:13px;line-height:1.7;color:var(--primary-dark);
}
.toc-tip i{color:var(--accent);margin-right:6px;}

.doc-body{max-width:760px;}
.block{margin-bottom:76px;}
.block:last-child{margin-bottom:0;}
.block h2{
  position:relative;padding-left:16px;
  font-size:clamp(24px,2.4vw,32px);line-height:1.3;margin-bottom:24px;
}
.block h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;
  border-radius:2px;background:var(--primary);
}
.block h3{font-size:20px;line-height:1.45;font-weight:600;margin-bottom:10px;}
.block p{color:#333F3B;}
.block .muted{color:var(--text-2);font-size:14px;}

.list-dot li{position:relative;padding-left:20px;margin-bottom:12px;color:#333F3B;}
.list-dot li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--primary);
}
.list-dot li strong{color:var(--text);font-weight:600;}

.figure{margin:30px 0 10px;}
.figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-img);border:1px solid var(--border);box-shadow:var(--shadow-1);
}
.figure figcaption{font-size:13px;color:var(--text-2);text-align:center;margin-top:10px;}

.step-list{display:grid;gap:14px;margin:26px 0 8px;}
.step{
  display:grid;grid-template-columns:52px minmax(0,1fr);gap:18px;
  padding:22px 24px;background:var(--card);
  border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,110,99,.32);}
.step-no{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);
  font-size:18px;font-weight:700;letter-spacing:-.02em;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{margin:0;font-size:15px;color:var(--text-2);}

.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:26px 0 10px;}
.scene-card{
  padding:22px 20px;background:var(--card);
  border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,110,99,.32);}
.scene-icon{
  width:40px;height:40px;border-radius:12px;background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:14px;
}
.scene-card h3{font-size:17px;margin-bottom:8px;}
.scene-card p{font-size:14px;color:var(--text-2);margin:0;line-height:1.75;}

.hint-list{
  border:1px solid var(--border);border-radius:var(--radius-card);
  background:var(--card);overflow:hidden;box-shadow:var(--shadow-1);margin:26px 0 10px;
}
.hint-row{
  position:relative;display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.35fr);
  gap:18px;padding:18px 22px 18px 24px;border-top:1px solid var(--divider);
  transition:background-color var(--ease);
}
.hint-row:first-child{border-top:0;}
.hint-row::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;
  transition:background-color var(--ease);
}
.hint-row:hover{background:#FBF9F5;}
.hint-row:hover::before{background:var(--accent);}
.hint-row dt{font-size:15px;font-weight:600;color:var(--text);}
.hint-row dd{margin:0;font-size:15px;color:var(--text-2);line-height:1.75;}

.faq-list{margin:26px 0 10px;}
.faq-item{
  position:relative;background:var(--card);border:1px solid var(--border);
  border-radius:14px;margin-bottom:12px;overflow:hidden;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;
  transition:background-color var(--ease);
}
.faq-item:hover{border-color:rgba(14,110,99,.32);box-shadow:var(--shadow-1);}
.faq-item:hover::before,.faq-item.open::before{background:var(--accent);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--text);
  text-align:left;cursor:pointer;transition:color var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-q i{color:var(--primary);font-size:14px;transition:transform var(--ease);flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--ease);}
.faq-a-inner{padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.85;}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;margin-top:12px;
  font-size:15px;font-weight:600;color:var(--primary);
}
.link-arrow i{transition:transform var(--ease);}
.link-arrow:hover{color:var(--primary-dark);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 底部 CTA 窄条 ---------- */
.cta-bar{
  position:relative;overflow:hidden;
  background:var(--dark);border-radius:20px;
  padding:30px 36px;
  display:grid;grid-template-columns:minmax(0,1.5fr) auto;gap:24px;align-items:center;
}
.cta-bar::after{
  content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(227,239,236,.12);
}
.cta-bar h2{
  color:#fff;font-size:clamp(20px,2vw,26px);line-height:1.35;
  margin-bottom:8px;padding-left:0;position:relative;
}
.cta-bar h2::before{display:none;}
.cta-bar p{color:#A9B5B1;font-size:15px;margin:0;max-width:620px;}
.cta-bar .cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#A9B5B1;margin-top:96px;padding-top:64px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:44px;
}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:.02em;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand span{color:#fff;font-size:17px;font-weight:700;letter-spacing:-.01em;}
.footer-brand .logo-mark{width:28px;height:28px;}
.footer-col p{font-size:14px;line-height:1.8;color:#A9B5B1;margin:0;max-width:340px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  display:inline-block;font-size:14px;color:#A9B5B1;
  transition:color var(--ease),transform var(--ease);
}
.footer-links a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;
}
.footer-bottom p{margin:0;font-size:13px;color:#8E9C98;line-height:1.7;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .doc-wrap{gap:40px;grid-template-columns:236px minmax(0,1fr);}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991.98px){
  .nav-menu{
    position:fixed;top:68px;left:0;right:0;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    background:var(--dark);padding:12px 0;margin:0;
    max-height:calc(100vh - 68px);overflow-y:auto;
    transform:translateY(-10px);opacity:0;visibility:hidden;
    transition:transform var(--ease),opacity var(--ease),visibility var(--ease);
    box-shadow:var(--shadow-2);
  }
  .nav-menu.is-open{transform:translateY(0);opacity:1;visibility:visible;}
  .nav-item-link{
    height:52px;padding:0 22px;color:#D5DFDB;
    border-left:3px solid transparent;justify-content:flex-start;
  }
  .nav-item-link:hover{color:#fff;background:rgba(255,255,255,.05);}
  .nav-item-link.active{color:#fff;border-left-color:var(--accent);}
  .nav-item-link.active::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .doc-wrap{grid-template-columns:1fr;gap:28px;}
  .toc{
    position:static;display:flex;gap:8px;overflow-x:auto;padding:12px;
    -webkit-overflow-scrolling:touch;
  }
  .toc-title{display:none;}
  .toc-tip{display:none;}
  .toc-link{
    white-space:nowrap;border-left:0;border-bottom:3px solid transparent;
    border-radius:8px 8px 0 0;padding:8px 14px;font-size:14px;
  }
  .toc-link.is-active{border-left-color:transparent;border-bottom-color:var(--accent);}
  .doc-body{max-width:none;}
  .block{margin-bottom:60px;}
  .page-main{padding:40px 0 64px;}
  .cat-hero{padding:48px 0 46px;}
  .cta-bar{grid-template-columns:1fr;padding:26px 24px;gap:18px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .site-footer{margin-top:64px;padding-top:48px;}
}
@media (max-width:767.98px){
  .page-main{padding:32px 0 56px;}
  .block{margin-bottom:52px;}
  .block h2{margin-bottom:20px;}
  .step{grid-template-columns:1fr;gap:12px;padding:20px;}
  .step-no{width:38px;height:38px;font-size:16px;}
  .scene-grid{grid-template-columns:1fr;}
  .hint-row{grid-template-columns:1fr;gap:6px;padding:16px 18px 16px 20px;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .hero-points{gap:14px 20px;}
}
@media (max-width:575.98px){
  .container-c{padding:0 16px;}
  .cat-hero .cat-lead{font-size:16px;}
  .cta-bar{padding:22px 18px;}
  .cta-bar .cta-actions{width:100%;}
  .cta-bar .cta-actions .btn-c{width:100%;}
  .logo span{font-size:16px;}
}

/* roulang page: category2 */
:root{
  --primary:#0E6E63;
  --primary-dark:#0A5148;
  --primary-light:#E3EFEC;
  --accent:#E2763C;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --dark:#10221F;
  --text:#1C2321;
  --text-2:#5A6663;
  --border:#DCD8CF;
  --divider:#E8E4DB;
  --footer-text:#A9B5B1;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,34,31,.06),0 10px 24px -14px rgba(16,34,31,.16);
  --shadow-2:0 14px 32px -14px rgba(16,34,31,.24);
  --ease:.22s cubic-bezier(.2,.7,.3,1);
  --space-section:96px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),transform var(--ease);}
a:hover{color:var(--primary-dark);}
button,input,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}

.container-c{max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container-c{max-width:1280px;}}

/* ---------- 按钮 ---------- */
.btn-c{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  background:var(--accent);color:#fff;border:1px solid var(--accent);
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease);
  box-shadow:var(--shadow-1);
}
.btn-c:hover{background:#cf6430;border-color:#cf6430;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-c:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-c:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn-c.btn-sm{padding:9px 16px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  background:transparent;color:var(--primary);border:1px solid var(--primary);
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:background var(--ease),color var(--ease),transform var(--ease),border-color var(--ease);
}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn-ghost.on-dark{color:#fff;border-color:rgba(255,255,255,.42);}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff;}

/* ---------- 标签 / 徽章 ---------- */
.badge-c{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--primary-light);color:var(--primary-dark);
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge-accent{background:rgba(226,118,60,.14);color:#a9501d;}
.badge-on-dark{background:rgba(227,239,236,.14);color:#D7E9E5;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,244,238,.86);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
}
.site-header.scrolled{
  background:rgba(247,244,238,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--divider);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-size:17px;font-weight:700;letter-spacing:-.01em;}
.logo:hover{color:var(--primary-dark);}
.logo-mark{width:28px;height:28px;flex:none;}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-item-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;transition:color var(--ease);
}
.nav-item-link:hover{color:var(--primary);}
.nav-item-link.active{color:var(--primary);}
.nav-item-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-item-link:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--radius-btn);
  background:transparent;border:1px solid var(--border);color:var(--primary);
  align-items:center;justify-content:center;cursor:pointer;transition:background var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:var(--primary-light);border-color:var(--primary);}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

/* ---------- 分类页 2：顶部大图 ---------- */
.page-hero{
  position:relative;isolation:isolate;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  padding:104px 0 96px;
  color:#fff;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(105deg,rgba(16,34,31,.88) 0%,rgba(16,34,31,.72) 48%,rgba(16,34,31,.52) 100%);
}
.crumb{font-size:13px;color:rgba(233,240,238,.78);margin-bottom:22px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb a{color:rgba(233,240,238,.78);}
.crumb a:hover{color:#fff;}
.crumb span.sep{opacity:.5;}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.22;font-weight:700;letter-spacing:-.01em;
  color:#fff;max-width:820px;
}
.hero-desc{
  margin-top:20px;max-width:660px;
  font-size:16.5px;line-height:1.9;color:rgba(233,240,238,.9);
}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-tags{margin-top:34px;display:flex;flex-wrap:wrap;gap:10px;}
.page-hero .badge-c{background:rgba(227,239,236,.14);color:#DCEAE7;border:1px solid rgba(255,255,255,.14);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space-section) 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;}
.section-head p{margin-top:14px;color:var(--text-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--primary);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px;}

/* ---------- 快速要点卡 ---------- */
.fact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.fact-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:30px 26px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.fact-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,110,99,.32);}
.fact-icon{
  width:46px;height:46px;border-radius:14px;background:var(--primary-light);
  color:var(--primary);display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:18px;
}
.fact-card h3{font-size:20px;font-weight:600;line-height:1.45;margin-bottom:10px;}
.fact-card p{font-size:15px;color:var(--text-2);}

/* ---------- 图文交替 ---------- */
.zigzag{display:flex;flex-direction:column;gap:72px;}
.zigzag-item{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.zigzag-media{
  position:relative;border-radius:var(--radius-img);overflow:hidden;
  aspect-ratio:16/10;box-shadow:var(--shadow-1);background:var(--primary-light);
}
.zigzag-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s cubic-bezier(.2,.7,.3,1);
}
.zigzag-item:hover .zigzag-media img{transform:scale(1.03);}
.zigzag-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,34,31,0) 55%,rgba(16,34,31,.28) 100%);
}
.zigzag-body{padding:4px 0;}
.zigzag-body h3{font-size:22px;font-weight:600;line-height:1.45;margin:14px 0 14px;}
.zigzag-body p{color:var(--text-2);font-size:16px;max-width:560px;}
.zigzag-item.reverse .zigzag-media{order:2;}
.zigzag-item.reverse .zigzag-body{order:1;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  font-size:15px;font-weight:600;color:var(--primary);
}
.text-link i{transition:transform var(--ease);font-size:13px;}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 流程步骤 ---------- */
.steps-band{background:#fff;border-top:1px solid var(--divider);border-bottom:1px solid var(--divider);}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
.step-card{
  position:relative;padding:26px 22px;border-radius:var(--radius-card);
  border:1px solid var(--border);background:var(--bg);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.step-card:hover{transform:translateY(-3px);background:#fff;box-shadow:var(--shadow-2);border-color:rgba(14,110,99,.32);}
.step-num{font-size:30px;font-weight:700;color:var(--accent);line-height:1;letter-spacing:-.02em;}
.step-card h3{font-size:18px;font-weight:600;margin:14px 0 8px;}
.step-card p{font-size:14.5px;color:var(--text-2);line-height:1.75;}

/* ---------- 高风险信号清单 ---------- */
.signal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.signal-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:22px 22px;box-shadow:var(--shadow-1);
  border-left:3px solid transparent;
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.signal-item:hover{border-left-color:var(--accent);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.signal-item i{color:var(--primary);font-size:17px;margin-top:5px;}
.signal-item p{font-size:15px;color:var(--text);margin:0;line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-wrap{background:#fff;border-radius:inherit;}
.faq-acc .accordion-item{
  border:0;border-radius:14px;overflow:hidden;margin-bottom:14px;background:var(--bg);
  transition:box-shadow var(--ease);
}
.faq-acc .accordion-item:hover{box-shadow:var(--shadow-1);}
.faq-acc .accordion-button{
  background:var(--bg);color:var(--text);font-size:17px;font-weight:600;line-height:1.5;
  padding:20px 24px;border:0;border-radius:14px;box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed){
  background:var(--primary-light);color:var(--primary-dark);
  box-shadow:inset 3px 0 0 var(--accent);
}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-2px;}
.faq-acc .accordion-button::after{
  content:"";width:9px;height:9px;flex:none;margin-left:auto;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:rotate(45deg);background-image:none;transition:transform var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--primary-dark);}
.faq-acc .accordion-body{padding:4px 24px 24px;color:var(--text-2);font-size:15.5px;background:var(--bg);}
.faq-acc .accordion-body strong{color:var(--text);font-weight:600;}

/* ---------- 底部 CTA 窄条 ---------- */
.cta-band{
  background:var(--dark);border-radius:var(--radius-card);
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  border:1px solid rgba(255,255,255,.08);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35;}
.cta-band p{color:var(--footer-text);font-size:15px;margin-top:8px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:none;position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--footer-text);margin-top:var(--space-section);padding:72px 0 28px;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;
  padding-bottom:44px;
}
.footer-col{position:relative;padding-right:24px;}
.footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.08);padding-left:28px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;letter-spacing:-.01em;}
.footer-col p{font-size:14px;line-height:1.8;color:var(--footer-text);max-width:360px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--footer-text);font-size:14px;display:inline-block;transition:color var(--ease),transform var(--ease);}
.footer-links a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding-top:22px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--footer-text);margin:0;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--space-section:84px;}
  .fact-grid{gap:20px;}
  .signal-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  :root{--space-section:72px;}
  .nav-menu{
    position:fixed;top:68px;left:0;right:0;
    background:var(--dark);flex-direction:column;align-items:stretch;gap:0;
    padding:8px 0 16px;
    max-height:calc(100vh - 68px);overflow-y:auto;
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity var(--ease),transform var(--ease);
    box-shadow:var(--shadow-2);
  }
  .nav-menu.open{opacity:1;transform:none;pointer-events:auto;}
  .nav-item-link{
    color:#D8E3E0;font-size:15px;height:52px;display:flex;align-items:center;
    padding:0 22px;border-left:3px solid transparent;
  }
  .nav-item-link:hover{color:#fff;background:rgba(255,255,255,.04);}
  .nav-item-link.active{color:#fff;border-left-color:var(--accent);background:rgba(255,255,255,.05);}
  .nav-item-link.active::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-hero{padding:72px 0 68px;}
  .zigzag{gap:52px;}
  .zigzag-item{grid-template-columns:1fr;gap:24px;}
  .zigzag-item.reverse .zigzag-media{order:0;}
  .zigzag-item.reverse .zigzag-body{order:0;}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .fact-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-col + .footer-col{border-left:0;padding-left:0;}
  .footer-col{padding-right:0;}
}
@media (max-width:767.98px){
  :root{--space-section:60px;}
  body{font-size:15.5px;}
  .section-head{margin-bottom:28px;}
  .zigzag-body h3{font-size:20px;}
  .steps-grid{grid-template-columns:1fr;}
  .signal-grid{grid-template-columns:1fr;}
  .hero-desc{font-size:15.5px;}
  .cta-band h2{font-size:21px;}
}
@media (max-width:575.98px){
  :root{--space-section:56px;}
  .container-c{padding:0 16px;}
  .nav-inner{height:62px;}
  .nav-menu{top:62px;max-height:calc(100vh - 62px);}
  .page-hero{padding:60px 0 56px;}
  .faq-acc .accordion-button{font-size:16px;padding:18px 20px;}
  .faq-acc .accordion-body{padding:0 20px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}